CN112031830B

CN112031830B - Construction method for tunnel lining by using tunnel lining double-arm pump truck

Info

Publication number: CN112031830B
Application number: CN202011048328.2A
Authority: CN
Inventors: 张海龙; 吴回获; 齐永前; 张琪; 李晶; 刘红梅; 石学智; 尹汇辉; 赵永红; 金义华; 张敬刚
Original assignee: China Railway First Engineering Group Co Ltd; Materials Industry and Trade Co Ltd of China Railway First Engineering Group Co Ltd
Current assignee: China Railway First Engineering Group Co Ltd; Materials Industry and Trade Co Ltd of China Railway First Engineering Group Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2022-03-01
Anticipated expiration: 2040-09-29
Also published as: CN112031830A

Abstract

The invention discloses a construction method for tunnel lining by using a tunnel lining double-arm pump truck, which comprises the following steps: adjusting a first adjusting arm and a second adjusting arm; secondly, moving the tunnel lining double-arm type pump truck; thirdly, pouring a layer of the tunnel; fourthly, pouring the two layers of the tunnel; fifthly, pouring three layers of the tunnel; and sixthly, pouring the top of the tunnel. The method is simple and convenient to operate, effectively adapts to the installation space of the tunnel secondary lining trolley, realizes the pouring of the two sides of the tunnel under pressure, and improves the tunnel secondary lining efficiency.

Description

Construction method for tunnel lining by using tunnel lining double-arm pump truck

Technical Field

The invention belongs to the technical field of tunnel lining, and particularly relates to a construction method for tunnel lining by using a tunnel lining double-arm pump truck.

Background

In the construction of domestic, foreign tunnel, in order to effectively avoid concrete segregation, aggregate pile up, produce drawbacks such as "people" word slope cold joint, promote the entity quality and the appearance quality of tunnel lining side wall concrete placement, all adopt two lining concrete layering in the tunnel and pursue the window and go into the mould and pour, there are following three kinds of modes cooperation tunnel secondary lining platform truck at present to carry out two lining concrete placement constructions:

the first is a layered window-by-window pouring chute device, the current domestic tunnel mainly adopts a pouring mode, and the device mainly comprises a main feeding hopper, a branch hopper, a stop inserting plate, chutes communicated with all windows and the like, but the device has high installation space requirement, multiple manual operation procedures and non-pressurized pouring;

and the second is a trolley type automatic pouring distributor which mainly comprises a distribution trolley, a concrete pump pipe leading to each layer of pouring windows and a top pouring opening, a pipeline cleaning system and the like. The requirement on the space at the top of the trolley is high, the pipe is easy to block, and the construction efficiency is low;

and the third is a suspension adjusting arm type material distributing machine which mainly comprises a top arch pouring material distributing machine, a side pouring suspension adjusting arm type material distributing machine, a pump pipe, a pipeline cleaning system and the like. But the heavy weight causes heavy load of the trolley, complex structure and narrow space, and pumping operation affects the stability of the trolley.

Therefore, a construction method for tunnel lining by using a tunnel lining double-arm pump truck is absent at present, the structure is simple, the operation is simple and convenient, the installation space of a tunnel secondary lining trolley is effectively adapted, the pouring with pressure at two sides of a tunnel is realized, and the tunnel secondary lining efficiency is improved.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a construction method for a tunnel lining by using a tunnel lining double-arm pump truck, aiming at the defects in the prior art, the construction method is simple in structure and simple and convenient to operate, effectively adapts to the installation space of a tunnel secondary lining trolley, realizes the pouring of the two sides of the tunnel under pressure, and improves the tunnel secondary lining efficiency.

In order to solve the technical problems, the invention adopts the technical scheme that: a construction method for lining a tunnel by using a tunnel lining double-arm pump truck is characterized in that the tunnel lining double-arm pump truck adopted by the method comprises a portal frame body, a concrete conveying device and a concrete adjusting arm type distributing machine which are arranged on the portal frame body, and a concrete conveying pipe arranged on the concrete adjusting arm type distributing machine; the portal frame body comprises two portals which are arranged in parallel, an arc arch frame component arranged on the portals and a walking mechanism arranged at the bottom of the portals, and the arc arch frame component is provided with a spraying component;

the concrete adjusting arm type distributing machine comprises a first adjusting arm and a second adjusting arm which are symmetrically arranged, the number of the concrete conveying pipes is two, the two groups of the concrete conveying pipes are respectively arranged on the first adjusting arm and the second adjusting arm, and the end parts, close to the portal frame body, of the two groups of the concrete conveying pipes are connected with the concrete conveying device; the concrete conveying device comprises a frame body, a hydraulic conveying mechanism arranged at the bottom of the frame body, an oil supply mechanism arranged in the frame body and a bin mechanism arranged at one end of the frame body, wherein the bin mechanism comprises a hopper, a stirring part arranged in the hopper and a gate mechanism for connecting the hopper and the hydraulic conveying mechanism, the number of the hydraulic conveying mechanism and the gate mechanism is two, and the two hydraulic conveying mechanisms are respectively connected with two groups of concrete conveying pipes; the first adjusting arm and the second adjusting arm respectively comprise a large arm assembly, a second arm assembly, a third arm assembly and a small arm assembly which are sequentially connected, a bottom box is arranged on the gantry and comprises a box body and four bases arranged at four corners of the bottom of the box body, the box body is a hollow box body, and an opening part is arranged on the side surface of the box body; the large arm assembly comprises a large arm rotating part, a large arm support arranged on the large arm rotating part and a large arm arranged on the large arm support, and a large arm lifting oil cylinder is arranged on the large arm support; the two-arm assembly comprises a two-arm lifting oil cylinder arranged on the large arm, a two arm connected with the two-arm lifting oil cylinder and a two-arm ear seat arranged on the two arm, and the two-arm ear seat is hinged with the large arm; the three-arm assembly comprises a three-arm rotary support arranged on the two arms and a three arm arranged on the three-arm rotary support; the small arm assembly comprises a small arm rotary support arranged at the lower part of the three arms and a small arm arranged on the small arm rotary support; the method is characterized by comprising the following steps:

step one, adjusting a first adjusting arm and a second adjusting arm:

step 101, operating a large arm hydraulic motor to rotate, wherein the large arm hydraulic motor rotates to drive a large arm speed reducer to rotate, and a large arm driving gear on the large arm speed reducer rotates to drive an outer ring of a large arm rotary support to rotate, so that a large arm support rotates around a large arm rotary component, and the rotation adjustment of a large arm is realized;

the large arm lifting oil cylinder is operated to stretch, so that the lifting adjustment of the large arm is realized;

the two-arm lifting oil cylinder is operated to stretch, so that the lifting adjustment of the two arms is realized;

the three-arm rotary support is operated to rotate, so that the rotation adjustment of the three arms is realized;

the rotation of the small arm rotary support is operated, the rotation adjustment of the small arm is realized until the fourth section of concrete conveying pipe on the first adjusting arm is flush with a first-layer pouring window of the tunnel lining trolley, and the adjustment of the first adjusting arm is completed; wherein the three arms in the first adjusting arm are parallel to the tunneling axis;

step 102, according to the method in the step 101, adjusting a fourth section of concrete conveying pipe on a second adjusting arm to be flush with a first-layer pouring window of the tunnel lining trolley, and completing adjustment of the second adjusting arm; wherein the three arms in the second adjusting arm are parallel to the tunneling axis;

step two, moving the tunnel lining double-arm type pump truck:

step 201, operating a walking motor to work, wherein the walking motor rotates to drive a speed reducer to rotate, and the speed reducer rotates to drive a walking wheel to move along a steel rail through a driving gear and a driven gear until a tunnel lining double-arm type pump truck moves into a tunnel lining trolley;

step 202, operating a fourth section of concrete conveying pipe on the first adjusting arm to stretch into a layer of pouring window on one side of the tunnel lining trolley, and operating a fourth section of concrete conveying pipe on the second adjusting arm to stretch into a layer of pouring window on the other side of the tunnel lining trolley;

step three, pouring a layer of the tunnel:

301, filling concrete into a hopper through a concrete pump truck;

step 302, operating the first gate oil cylinder to extend, wherein the first gate oil cylinder extends to push the first left movable gate rod to slide along the first left opening track, the first right movable gate rod slides along the first right opening track, the first left movable gate rod and the first right movable gate rod slide to drive the first movable gate plate to slide along the first output hole, the first movable gate plate closes the first discharge hole, and concrete contained in the hopper enters the first conveying cylinder through the first feed hole until the first conveying cylinder is filled with the concrete;

step 303, operating the first gate oil cylinder to shrink, wherein the first gate oil cylinder shrinks to drive the first movable gate plate to reversely slide along the first output hole through the first left movable gate rod and the first right movable gate rod, the first movable gate plate closes the first feed inlet, the first discharge outlet is opened, the first main oil cylinder stretches and retracts to push the concrete in the first conveying cylinder to be output to the concrete conveying pipe on the first adjusting arm through the first discharge pipe until the conveying of the concrete in the first conveying cylinder is finished, and pouring of one side wall of the tunnel is achieved;

meanwhile, the second gate oil cylinder extends to push the second left movable gate rod to slide along the second left opening track, the second right movable gate rod slides along the second right opening track, the second left movable gate rod and the second right movable gate rod slide to drive the second movable gate plate to slide along the second output hole, the second movable gate plate closes the second discharge hole, and concrete contained in the hopper enters the second conveying cylinder through the second feed hole until the second conveying cylinder is filled with the concrete;

step 304, operating the second gate oil cylinder to contract, enabling the second left movable gate rod and the second right movable gate rod to slide to drive the second movable gate plate to reversely slide along the second output hole, closing the second feed inlet by the second movable gate plate and opening the second discharge outlet, and enabling the second main oil cylinder to stretch and push the concrete in the second conveying cylinder to be output to the concrete conveying pipe on the second adjusting arm through the second discharge pipe until the conveying of the concrete in the second conveying cylinder is finished, so that the pouring of the other side wall of the tunnel is realized;

meanwhile, the first gate oil cylinder is operated to extend, the first gate oil cylinder extends to push the first left movable gate rod to slide along the first left opening track, the first right movable gate rod slides along the first right opening track, the first left movable gate rod and the first right movable gate rod slide to drive the first movable gate plate to slide along the first output hole, the first movable gate plate closes the first discharge hole, and concrete contained in the hopper enters the first conveying cylinder through the first feed hole until the first conveying cylinder is filled with the concrete;

step 305, repeating the step 303 and the step 304 for multiple times to finish one layer of pouring on two sides of the tunnel;

step four, pouring the two layers of the tunnel:

step 401, operating a traveling motor to rotate reversely, wherein the traveling motor rotates reversely to drive a speed reducer to rotate reversely, and the speed reducer rotates to drive a traveling wheel to move reversely along a steel rail through a driving gear and a driven gear until the tunnel lining double-arm type pump truck exits from a tunnel lining trolley;

step 402, according to the method in the steps 101 and 102, adjusting the fourth section of the concrete conveying pipe on the first adjusting arm to be flush with the second layer of the pouring window of the tunnel lining trolley, and adjusting the fourth section of the concrete conveying pipe on the second adjusting arm to be flush with the second layer of the pouring window of the tunnel lining trolley;

step 403, moving the tunnel lining double-arm pump truck into the tunnel lining trolley according to the method in the step 201 and the step 202, and extending a fourth section of concrete conveying pipe on the first adjusting arm into a two-layer pouring window on one side of the tunnel lining trolley, and extending a fourth section of concrete conveying pipe on the second adjusting arm into a two-layer pouring window on the other side of the tunnel lining trolley;

step 404, repeating the steps 301 to 305, and finishing the two-layer pouring of the two sides of the tunnel;

step five, pouring three layers of the tunnel:

step 501, operating a traveling motor to rotate reversely, wherein the traveling motor rotates reversely to drive a speed reducer to rotate reversely, and the speed reducer rotates to drive a traveling wheel to move reversely along a steel rail through a driving gear and a driven gear until the tunnel lining double-arm type pump truck exits from a tunnel lining trolley;

502, according to the method in the steps 101 and 102, adjusting a fourth section of concrete conveying pipe on the first adjusting arm to be flush with the three-layer pouring window of the tunnel lining trolley, and adjusting a fourth section of concrete conveying pipe on the second adjusting arm to be flush with the three-layer pouring window of the tunnel lining trolley;

step 503, moving the tunnel lining double-arm type pump truck into the tunnel lining trolley according to the method in the steps 201 and 202, and extending the fourth section of concrete conveying pipe on the first adjusting arm into the three-layer pouring window on one side of the tunnel lining trolley, and extending the fourth section of concrete conveying pipe on the second adjusting arm into the three-layer pouring window on the other side of the tunnel lining trolley;

step 504, repeating the steps 301 to 305, and finishing three-layer pouring of the two sides of the tunnel;

pouring the top of the tunnel:

601, according to the method in the steps 101 and 102, adjusting a fourth section of concrete conveying pipe on the first adjusting arm to be flush with a pouring pipe at the top of the tunnel lining trolley, adjusting a fourth section of concrete conveying pipe on the second adjusting arm to be flush with the pouring pipe at the top of the tunnel lining trolley, and connecting the fourth section of concrete conveying pipe with the pouring pipe at the top of the tunnel lining trolley;

and step 602, repeating the steps 301 to 305, and finishing the top pouring of the tunnel.

The construction method for the tunnel lining by using the tunnel lining double-arm pump truck is characterized by comprising the following steps of: the gantry comprises two vertical supporting legs which are symmetrically arranged and a cross beam connected between the two vertical supporting legs, each vertical supporting leg comprises a bottom rod, a lower arc-shaped rod, an inclined rod and an upper arc-shaped rod which are sequentially connected, the walking mechanism is positioned at the lower part of the bottom rod, and the cross beam is positioned between the two upper arc-shaped rods;

the arc-shaped arch frame component comprises two arc-shaped arch frames which are symmetrically arranged and a plurality of connecting channel steel connected between the two arc-shaped arch frames, the connecting channel steel is distributed uniformly along the arc-shaped arch frames, a plurality of horizontal reinforcing rods are arranged between the inclined rod and the arc-shaped arch frames, a plurality of vertical reinforcing rods are arranged between the upper arc-shaped rod and the arc-shaped arch frames, the arc-shaped arch frames are positioned right above the cross beam, the bottoms of the arc-shaped arch frames are higher than the bottoms of the vertical supporting legs, and the front ends of the connecting channel steel, which are close to the first adjusting arm and the second adjusting arm, extend out of the arc-shaped arch frames;

the spray component comprises a water tank arranged on the bottom rod, a water supply pipe connected with the water tank and laid along the arc arch frame, and a plurality of spray heads uniformly distributed on the water supply pipe, and a connection water pipe and a plurality of spray heads uniformly distributed on the connection water pipe, wherein the connection water pipe and the plurality of spray heads are communicated with the water supply pipe and laid along the connection channel steel.

The construction method for the tunnel lining by using the tunnel lining double-arm pump truck is characterized by comprising the following steps of: the travelling mechanism comprises travelling parts arranged at the bottoms of four corners of the portal frame, the travelling parts travel along steel rails, and the steel rails are arranged at the bottom in the tunnel;

the walking part includes walking case, the installation axle of setting in the walking case, wears to establish the walking motor of installing epaxial walking wheel and being connected with walking wheel transmission, the output termination of walking motor has the speed reducer, be provided with the driving gear on the output shaft of speed reducer, the epaxial cover of installation is equipped with driven gear, driving gear and driven gear meshing, walking case and rail laminating are stretched out to the bottom of walking wheel, driven gear is connected with the walking wheel.

The construction method for the tunnel lining by using the tunnel lining double-arm pump truck is characterized by comprising the following steps of: the concrete conveying pipe comprises a first section of concrete conveying pipe arranged along the large arm, a second section of concrete conveying pipe arranged through the two arms, a third section of concrete conveying pipe arranged along the three arms and a fourth section of concrete conveying pipe arranged along the four arms in sequence, a first mounting shaft penetrates through the large arm support and one end of the large arm, a second mounting shaft penetrates through the other end of the large arm and the two-arm ear seat, the first installation shaft and the second installation shaft are hollow shafts, the first section of concrete conveying pipe passes through the outlet end of the second installation shaft and is communicated with the inlet end of the second section of concrete conveying pipe, the second section of concrete conveying pipe passes through the outlet end of the three-arm slewing support and is communicated with the inlet end of the third section of concrete conveying pipe, the third section of concrete conveying pipe penetrates through the outlet end of the small arm rotary support to be communicated with a fourth section of concrete conveying pipe, and the end part of the fourth section of concrete conveying pipe extends out of the small arm;

the inlet end of the first section of concrete conveying pipe passes through the first installation shaft and enters the box body, and the inlet end of the first section of concrete conveying pipe is connected with the concrete conveying device through the concrete conveying connecting pipe.

The construction method for the tunnel lining by using the tunnel lining double-arm pump truck is characterized by comprising the following steps of: the large arm rotating part comprises a large arm hydraulic motor, a large arm speed reducer in transmission connection with the large arm hydraulic motor, a large arm driving gear arranged on the large arm speed reducer, and a large arm rotating support in transmission connection with the large arm driving gear, wherein the inner ring of the large arm rotating support is fixedly connected with the top of the box body, and the outer ring of the large arm rotating support is meshed with the large arm driving gear;

the big arm support includes the circular base that supports with big arm gyration's outer lane fixed connection and the rectangular base with circular base integrated into one piece, circular base's central point puts and is provided with first centre bore, rectangular base's central point puts and is provided with the second centre bore, circular base's circumference equipartition has a plurality of connecting holes that are used for connecting the outer lane that big arm gyration supported, be provided with the big arm ear seat that is used for connecting the last engaging lug of big arm one end and is used for connecting big arm lift cylinder on the circular base.

The construction method for the tunnel lining by using the tunnel lining double-arm pump truck is characterized by comprising the following steps of: the upper connecting lug comprises a major arc plate arranged on the circular base and two rotary vertical plates symmetrically arranged on the major arc plate, hinge holes are formed in the tops of the two rotary vertical plates, the center of the major arc plate is overlapped with the center of the first center hole, a plurality of reinforcing rib plates are arranged on the outer side wall of the major arc plate, the bottoms of the reinforcing rib plates are connected with the circular base, a triangular reinforcing plate is arranged between the rotary vertical plate and the major arc plate, one right-angle edge of the triangular reinforcing plate is attached to the top surface of the major arc plate, and the other right-angle edge of the major arc plate is attached to the rotary vertical plate;

be provided with L shape connecting plate between two gyration risers, be provided with vertical plate between the bottom of L shape connecting plate and the major arc board, big arm ear seat includes that two symmetries set up ear plate on the vertical plate, the opening of big arm ear seat is towards the bottom of big arm.

The construction method for the tunnel lining by using the tunnel lining double-arm pump truck is characterized by comprising the following steps of: the two hydraulic conveying mechanisms are respectively a first hydraulic conveying mechanism and a second hydraulic conveying mechanism, a water tank is arranged at the bottom of the frame body, the first hydraulic conveying mechanism comprises a first main oil cylinder arranged on one side of the water tank and a first conveying cylinder arranged on the other side of the water tank, the second hydraulic conveying mechanism comprises a second main oil cylinder arranged on one side of the water tank and a second conveying cylinder arranged on the other side of the water tank, a piston rod of the first main oil cylinder penetrates through the water tank and extends into the first conveying cylinder, and a piston rod of the second main oil cylinder penetrates through the water tank and extends into the second conveying cylinder;

the tip of first transport cylinder and second transport cylinder is provided with the export mounting panel, two gate mechanism is first gate mechanism and second gate mechanism of installing on the export mounting panel respectively, be provided with first pneumatic cylinder mechanism in the first gate mechanism, be provided with second pneumatic cylinder mechanism in the second gate mechanism, first pneumatic cylinder mechanism drives first gate mechanism with first transport cylinder and hopper perhaps concrete conveying pipe intercommunication, second pneumatic cylinder mechanism drives second gate mechanism carries cylinder and hopper perhaps concrete conveying pipe intercommunication.

The construction method for the tunnel lining by using the tunnel lining double-arm pump truck is characterized by comprising the following steps of: a first output hole and a second output hole are formed in the outlet mounting plate, the first output hole is communicated with the first conveying cylinder, and the second output hole is communicated with the second conveying cylinder;

the first gate mechanism is arranged on the first output hole, the second gate mechanism is arranged on the second output hole, oblique mounting rods are symmetrically arranged on two sides of the outlet mounting plate, the tops of the two oblique mounting rods are connected with an upper cross beam, the first hydraulic cylinder mechanism is a first gate oil cylinder which is arranged on the upper cross beam and controls the first gate mechanism, and the second hydraulic cylinder mechanism is a second gate oil cylinder which is arranged on the upper cross beam and controls the second gate mechanism;

the first gate mechanism comprises a first left opening track arranged along the length direction of the outlet mounting plate, a first right opening track arranged along the length direction of the outlet mounting plate, a first upper connecting block arranged between the first left opening track and the first right opening track, and a first lower connecting block arranged between the first left opening track and the first right opening track, a first fixed flashboard is arranged between the first left opening track and the first right opening track and divides the first output hole into a first feed inlet and a first discharge outlet, a first left movable brake bar is arranged in the first left opening track, a first right movable brake bar is arranged in the first right opening track, a first movable gate plate is connected between the first left movable gate rod and the first right movable gate rod, and the first left movable gate rod and the first right movable gate rod are connected with a first gate oil cylinder;

the second gate mechanism comprises a second left opening track arranged along the length direction of the outlet mounting plate, a second right opening track arranged along the length direction of the outlet mounting plate, a second upper connecting block arranged between the second left opening track and the second right opening track, and a second lower connecting block arranged between the second left opening track and the second right opening track, a second fixed gate plate is arranged between the second left opening track and the second right opening track and divides the second output hole into a second feed inlet and a second discharge outlet, a second left movable brake bar is arranged in the second left opening track, a second right movable brake bar is arranged in the second right opening track, and a second movable gate plate is connected between the second left movable gate rod and the second right movable gate rod, and the second left movable gate rod and the second right movable gate rod are connected with a second gate oil cylinder.

The construction method for the tunnel lining by using the tunnel lining double-arm pump truck is characterized by comprising the following steps of: an outlet connecting plate is arranged on the outlet mounting plate, a first feeding through hole, a second feeding through hole, a first discharging through hole and a second discharging through hole are arranged on the outlet connecting plate, the first feeding through hole and the first discharging through hole are communicated with a first output hole, and the second feeding through hole and the second discharging through hole are communicated with a second output hole;

the first discharging port and the second discharging port are connected with a discharging pressing plate, a first discharging pipe is arranged on the first discharging port, a second discharging pipe is arranged on the second discharging port, and the discharging pressing plate is sleeved on the first discharging pipe and the second discharging pipe;

the hopper fixing plate is mounted on the outlet connecting plate, a first feeding channel and a second feeding channel are arranged on the hopper fixing plate, and the first feeding channel and the second feeding channel are communicated with the hopper.

Compared with the prior art, the invention has the following advantages:

1. the construction method for the tunnel lining by using the tunnel lining double-arm pump truck is arranged separately from the tunnel secondary lining trolley, so that the construction method for the tunnel lining by using the tunnel lining double-arm pump truck can be stretched into or separated from the tunnel secondary lining trolley, the construction method for the tunnel lining by using the tunnel lining double-arm pump truck and the original construction process of the tunnel secondary lining trolley can be realized, and the pouring under pressure at two sides of the tunnel can be realized.

2. The concrete adjusting arm type material distributing machine comprises a first adjusting arm and a second adjusting arm, and secondary lining pouring of a tunnel is realized by adjusting the first adjusting arm and the second adjusting arm to pouring positions of different layers of a secondary lining trolley of the tunnel; in addition, the two linings on the two sides of the tunnel are synchronously poured through the first adjusting arm and the second adjusting arm, and the operation is convenient and fast.

3. The concrete conveying device adopted by the invention comprises a hydraulic conveying mechanism, a bin mechanism and a gate mechanism, wherein the gate mechanism controls to convey concrete in the bin to the hydraulic conveying mechanism on one hand, and controls to convey the concrete in the hydraulic conveying mechanism to the concrete conveying pipe on the other hand, so that the concrete is conveyed.

4. The hydraulic conveying mechanism adopted by the invention conveys the concrete in the hopper to the concrete conveying pipes on the first adjusting arm and the second adjusting arm, thereby realizing the layered window-by-window belt-pressing pouring of the tunnel secondary lining, avoiding the defects of concrete segregation, aggregate accumulation, cold seam generation of a herringbone slope and the like during pouring, and improving the appearance quality and the solid compactness of the lining.

5. Concrete conveying pipes are respectively arranged on the first adjusting arm and the second adjusting arm, and two sides of the tunnel are simultaneously poured through the two concrete conveying pipes, so that the pouring speed is improved, the phenomenon that the linearity of the tunnel is influenced due to displacement caused by bias voltage of a trolley is avoided, the phenomenon that the quality of a lining is influenced due to vibration of the trolley when a secondary lining of the tunnel is poured is avoided, the problem that the original unilateral pouring is changed to pour the pipe and wash the pipe back and forth is solved, the time is saved, and the efficiency is improved.

6. The construction method for the tunnel lining by using the tunnel lining double-arm pump truck is an independent structure, does not occupy the internal space of a tunnel secondary lining trolley, and has large working space for workers. In addition, pipelines do not need to be arranged in the tunnel secondary lining trolley, the construction method of the tunnel lining by using the tunnel lining double-arm type pump truck is used for exiting the trolley for independent cleaning during cleaning, the cleaning operation space is large, and the pipeline dismounting and cleaning of workers are facilitated.

7. The construction method for the tunnel lining by using the tunnel lining double-arm pump truck can realize the pouring of the two linings on the two sides of the tunnel, has the spraying maintenance function, has multiple purposes, and reduces the comprehensive cost.

8. According to the invention, the tunnel lining double-arm pump truck is utilized to realize one-layer pouring of the tunnel, two-layer pouring of the tunnel, three-layer pouring of the tunnel and top pouring of the tunnel, so that the operation is simple and convenient, and the secondary lining efficiency of the tunnel is improved.

In conclusion, the invention has simple structure and simple and convenient operation, effectively adapts to the installation space of the tunnel secondary lining trolley, realizes the pouring under pressure at the two sides of the tunnel and improves the tunnel secondary lining efficiency.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

Fig. 1 is a schematic structural view of the tunnel lining double-arm pump truck without arc arch parts and spraying parts.

Fig. 2 is a schematic structural view of the door frame body according to the present invention.

FIG. 3 is a right side view of FIG. 2 with the rail, the traveling member, the first adjustment screw, and the second adjustment screw removed.

Fig. 4 is a schematic structural diagram of the traveling mechanism of the present invention.

Fig. 5 is a schematic view of the first and second adjustment arms of the present invention.

Fig. 6 is a schematic structural view of the boom support of the present invention.

Fig. 7 is a schematic structural view of the concrete conveying apparatus of the present invention.

FIG. 8 is a schematic structural view of a gate mechanism, an outlet mounting plate, an outlet connecting plate and a hopper fixing plate according to the present invention.

Fig. 9 is a schematic view of the construction of the outlet mounting plate of the present invention.

Fig. 10 is a schematic structural view of the first shutter mechanism and the second shutter mechanism of the present invention.

Fig. 11 is a schematic structural view of the outlet connection plate of the present invention.

Fig. 12 is a schematic structural diagram of a hydraulic conveying mechanism and a water tank of the invention.

Fig. 13 is a schematic structural view of a hopper fixing plate according to the present invention.

FIG. 14 is a block flow diagram of a method of the present invention.

Description of reference numerals:

1-big arm; 1-a large arm lift cylinder; 1-2-a first section of concrete conveying pipe;

1-3-a first mounting axis; 1-4-large arm rotary support; 1-5-big arm support;

1-5-1-circular base; 1-5-2-reinforcing plate; 1-5-4-rectangular base;

1-5-second central hole; 1-5-6-first central hole; 1-5-7-connecting hole;

1-5-9-major arc plate; 1-5-10-rotating vertical plates; 1-5-11-big arm ear seat;

1-5-12-triangular reinforcing plates; 1-5-13-L-shaped connecting plate; 1-5-14-hinge hole;

1-7-big arm hydraulic motor; 1-8-big arm speed reducer; 1-9-big arm driving gear;

1-10-middle ear mount; 1-12-concrete delivery connecting pipe;

2-two arms; 2-1-two-arm lifting oil cylinder; 2-second section concrete conveying pipe;

2-3-lower ear mount; 2-5-two-arm ear mount; 2-6-second installation axis;

3-three arms; 3-1-three-arm rotary support; 3-2-third section concrete conveying pipe;

4-small arm; 4-1-a small arm rotary support; 4-2-fourth section concrete conveying pipe;

5-a hydraulic assembly; 6-1-base; 6-2-fixed pins;

6-3-box body; 6-4-opening; 6-5-set square;

9-arc arch parts; 9-1-arc arch centering; 9-1-a first arc arch;

9-1-2-second arc arch centering; 9-2-connecting channel steel; 9-3-horizontal reinforcement bar;

9-4-vertical reinforcing rods; 10, steel rails; 11-a walking part;

11-1-road wheels; 11-2-mounting shaft; 11-3-a walking motor;

11-4-speed reducer; 11-5-a drive gear; 11-6-driven gear;

11-7-a walking box; 11-8-bearing; 11-9-an axle stop;

12-a water tank; 12-1-a water supply pipe; 12-2 — a first spray head;

12-3 — a second spray head; 12-4-connecting a water pipe; 12-5 — a first water pump;

12-6-a second water pump; 13 — a first base plate; 13-1 — a first adjusting screw;

13-2 — a first upper nut; 13-3 — a first lower nut; 13-4 — a first adjustment handle;

14 — a second base plate; 14-1 — a second adjusting screw; 14-2 — a second upper nut;

14-3 — a second lower nut; 14-4-a second adjustment handle; 15-1 — a first bottom bar;

15-2-a first lower arcuate bar; 15-3 — a first tilt lever; 15-4-a first upper curved bar;

16-1 — a second bottom bar; 16-2 — a second lower curved bar; 16-3 — a second tilt lever;

16-4-a second upper curved bar; 17-a cross beam; 18-reinforcing channel steel;

22-a gate mechanism; 22-1-oblique mounting rod; 22-2-upper beam;

22-3 — a first gate cylinder; 22-4-second gate cylinder; 22-5-a first small beam;

22-6-second small beam; 23-1 — a first left open track; 23-2 — a first right open track;

23-3-a first upper connecting block; 23-4-a first lower connecting block; 23-5 — a first fixed gate;

23-6-a first left movable brake lever; 23-7-a first right movable brake bar;

23-8 — a first movable gate plate; 24-1 — a second left open track; 24-2 — a second right open track;

24-3 — a second upper connecting block; 24-4-a second lower connecting block; 24-5 — a second fixed gate;

24-6-a second left movable brake bar; 24-7-a second right movable brake bar;

24-8 — a second movable gate plate; 25-outlet mounting plate;

25-1-outlet mounting plate body; 25-2 — a first output aperture;

25-3 — second output aperture; 25-4 — a first mounting boss;

25-5-a second mounting boss; 25-6-a first lower mounting chute;

25-7-a second lower mounting chute; 25-8-a first lower mounting boss;

25-9-a second lower mounting boss; 25-10-a first upper mounting chute;

25-11-second upper mounting chute; 25-12-a first upper mounting boss;

25-13-second upper mounting bosses; 25-14-upper connecting plate;

26-an outlet connection plate; 26-1 — first feed port;

26-2 — a second feed port; 26-3 — a first outlet port; 26-4-a second outlet port;

27-hopper fixing plate; 27-1 — a first via; 27-2 — a second via;

28-discharge pressing plate; 29-1 — a second connecting plate; 29-2 — a first connection plate;

29-3 — a third connecting plate; 30-frame body; 30-1-frame longitudinal beam;

30-2-frame cross beam; 30-3-housing; 30-4-legs;

31-a water tank; 31-1-a first master cylinder; 31-2-a second master cylinder;

31-3 — second delivery cylinder; 31-4 — a first delivery cylinder; 32-a hopper;

32-1-stirring shaft; 32-2-stirring blade; 34-1 — first discharge pipe;

34-2-second discharge pipe; 35-oil tank; 35-1 — a first feed channel;

35-2 — a second feed channel; 38-a filter; 36-main motor;

36-1-motor base; 37-an oil supply pump; 100 — a first adjustment arm;

200-a second adjustment arm; 300-concrete conveying means; 400-gantry.

Detailed Description

As shown in fig. 1, 5 and 14, a method for constructing a tunnel lining by using a tunnel lining double-arm pump truck, in which a tunnel lining double-arm pump truck is used, and the tunnel lining double-arm pump truck comprises a portal frame body, a concrete conveying device 300 and a concrete regulating arm type distributing machine which are arranged on the portal frame body, and a concrete conveying pipe arranged on the concrete regulating arm type distributing machine; the portal frame body comprises two portal frames 400 arranged in parallel, an arc arch frame part 9 arranged on the portal frames 400 and a walking mechanism arranged at the bottom of the portal frames 400, wherein a spraying part is arranged on the arc arch frame part 9;

the concrete adjusting arm type distributing machine comprises a first adjusting arm 100 and a second adjusting arm 200 which are symmetrically arranged, the number of the concrete conveying pipes is two, the two groups of the concrete conveying pipes are respectively arranged on the first adjusting arm 100 and the second adjusting arm 200, and the end parts, close to the portal frame body, of the two groups of the concrete conveying pipes are connected with the concrete conveying device 300; the concrete conveying device 300 comprises a frame body 30, a hydraulic conveying mechanism arranged at the bottom of the frame body 30, an oil supply mechanism arranged in the frame body 30 and a bin mechanism arranged at one end of the frame body 30, wherein the bin mechanism comprises a hopper 32, a stirring part arranged in the hopper 32 and a gate mechanism 22 connected with the hopper 32 and the hydraulic conveying mechanism, the number of the hydraulic conveying mechanism and the gate mechanism 22 is two, and the two hydraulic conveying mechanisms are respectively connected with two groups of concrete conveying pipes; the first adjusting arm 100 and the second adjusting arm 200 respectively comprise a large arm assembly, a two-arm assembly, a three-arm assembly and a small arm assembly which are sequentially connected, a bottom box is arranged on the portal frame 400, the bottom box comprises a box body 6-3 and four bases 6-1 arranged at four corners of the bottom of the box body 6-3, the box body 6-3 is a hollow box body, and an opening part 6-4 is arranged on the side surface of the box body 6-3; the large arm assembly comprises a large arm rotating part, a large arm support 1-5 arranged on the large arm rotating part and a large arm 1 arranged on the large arm support 1-5, wherein a large arm lifting oil cylinder 1-1 is arranged on the large arm support 1-5; the two-arm assembly 2 comprises a two-arm lifting oil cylinder 2-1 arranged on the large arm 1, a two-arm 2 connected with the two-arm lifting oil cylinder 2-1 and a two-arm lug seat 2-5 arranged on the two-arm 2, and the two-arm lug seat 2-5 is hinged with the large arm 1; the three-arm assembly 3 comprises a three-arm rotary support 3-1 arranged on the two arms 2 and a three-arm 3 arranged on the three-arm rotary support 3-1; the small arm assembly 4 comprises a small arm rotary support 4-1 arranged at the lower part of the three arms 3 and a small arm 4 arranged on the small arm rotary support 4-1; the method is characterized by comprising the following steps:

step one, adjusting a first adjusting arm and a second adjusting arm:

step 101, operating a large arm hydraulic motor 1-7 to rotate, wherein the large arm hydraulic motor 1-7 rotates to drive a large arm speed reducer 1-8 to rotate, and a large arm driving gear 1-9 on the large arm speed reducer 1-8 rotates to drive an outer ring of a large arm rotary support 1-4 to rotate, so that a large arm support 1-5 rotates around a large arm rotary component, and the rotation adjustment of a large arm 1 is realized;

the large arm lifting oil cylinder 1-1 is operated to stretch, so that the lifting adjustment of the large arm 1 is realized;

the two-arm lifting oil cylinder 2-1 is operated to stretch, so that the lifting adjustment of the two arms 2 is realized;

the three-arm rotary support 3-1 is operated to rotate, so that the rotation adjustment of the three-arm 3 is realized;

operating the small arm rotary support 4-1 to rotate, and realizing the rotation adjustment of the small arm 4 until the fourth section of concrete conveying pipe 4-2 on the first adjusting arm 100 is flush with a first-layer pouring window of the tunnel lining trolley, so as to finish the adjustment of the first adjusting arm 100; wherein the three arms 3 in the first adjusting arm 100 are parallel to the tunneling axis;

step 102, according to the method in the step 101, adjusting a fourth section of concrete conveying pipe 4-2 on a second adjusting arm 200 to be flush with a first-layer pouring window of the tunnel lining trolley, and finishing adjustment of the second adjusting arm 200; wherein the three arms 3 in the second adjusting arm 200 are parallel to the tunneling axis;

step two, moving the tunnel lining double-arm type pump truck:

step 201, operating a walking motor 11-3 to work, wherein the walking motor 11-3 rotates to drive a speed reducer 11-4 to rotate, and the speed reducer 11-4 rotates to drive a walking wheel 11-1 to move along a steel rail 10 through a driving gear 11-5 and a driven gear 11-6 until a tunnel lining double-arm type pump truck moves into a tunnel lining trolley;

step 202, operating a fourth section of concrete conveying pipe 4-2 on the first adjusting arm 100 to stretch into a layer of pouring window at one side of the tunnel lining trolley, and operating a fourth section of concrete conveying pipe 4-2 on the second adjusting arm 200 to stretch into a layer of pouring window at the other side of the tunnel lining trolley;

step three, pouring a layer of the tunnel:

301, filling concrete into the hopper 32 through a concrete pump truck;

step 302, operating the first gate cylinder 22-3 to extend, wherein the first gate cylinder 22-3 extends to push the first left movable gate rod 23-6 to slide along the first left opening track 23-1, the first right movable gate rod 23-7 slides along the first right opening track 23-2, the first left movable gate rod 23-6 and the first right movable gate rod 23-7 slide to drive the first movable gate plate 23-8 to slide along the first output hole 25-2, the first movable gate plate 23-8 closes the first discharge hole, and concrete contained in the hopper 32 enters the first conveying cylinder 31-4 through the first feed hole until the first conveying cylinder 31-4 is filled with concrete;

step 303, operating the first gate cylinder 22-3 to contract, driving the first movable gate plate 23-8 to reversely slide along the first output hole 25-2 by the first left movable gate rod 23-6 and the first right movable gate rod 23-7 when the first gate cylinder 22-3 contracts, closing the first feed inlet by the first movable gate plate 23-8, opening the first discharge outlet, and telescopically pushing the concrete in the first conveying cylinder 31-4 to be output to the concrete conveying pipe on the first adjusting arm 100 through the first discharge pipe 34-1 by the first main cylinder 31-1 until the concrete in the first conveying cylinder 31-4 is conveyed completely, so as to pour one side wall of the tunnel;

meanwhile, the second gate cylinder 22-4 extends to push the second left movable gate rod 24-6 to slide along the second left opening track 24-1, the second right movable gate rod 24-7 slides along the second right opening track 24-2, the second left movable gate rod 24-6 and the second right movable gate rod 24-7 slide to drive the second movable gate plate 24-8 to slide along the second output hole 25-3, the second movable gate plate 24-8 closes the second discharge hole, concrete contained in the hopper 32 enters the second conveying cylinder 31-3 through the second feed hole until the second conveying cylinder 31-3 is filled with concrete;

step 304, operating the second gate cylinder 22-4 to contract, sliding the second left movable gate rod 24-6 and the second right movable gate rod 24-7 to drive the second movable gate plate 24-8 to reversely slide along the second output hole 25-3, closing the second feed inlet by the second movable gate plate 24-8, opening the second discharge hole, telescopically pushing the concrete in the second conveying cylinder 31-3 by the second main cylinder 31-2 to be output to the concrete conveying pipe on the second adjusting arm 200 through the second discharge pipe 34-2 until the concrete in the second conveying cylinder 31-3 is conveyed completely, and pouring the other side wall of the tunnel;

meanwhile, the first gate oil cylinder 22-3 is operated to extend, the first gate oil cylinder 22-3 extends to push the first left movable gate rod 23-6 to slide along the first left opening track 23-1, the first right movable gate rod 23-7 slides along the first right opening track 23-2, the first left movable gate rod 23-6 and the first right movable gate rod 23-7 slide to drive the first movable gate plate 23-8 to slide along the first output hole 25-2, the first movable gate plate 23-8 closes the first discharge hole, and concrete contained in the hopper 32 enters the first conveying cylinder 31-4 through the first feed hole until the first conveying cylinder 31-4 is filled with the concrete;

step four, pouring the two layers of the tunnel:

step 401, operating a traveling motor 11-3 to rotate reversely, wherein the traveling motor 11-3 rotates reversely to drive a speed reducer 11-4 to rotate reversely, the speed reducer 11-4 rotates to drive a traveling wheel 11-1 to move reversely along a steel rail 10 through a driving gear 11-5 and a driven gear 11-6, until the tunnel lining double-arm pump truck exits from a tunnel lining trolley;

step 402, according to the method in the steps 101 and 102, adjusting the fourth section of concrete conveying pipe 4-2 on the first adjusting arm 100 to be flush with the second layer of pouring window of the tunnel lining trolley, and adjusting the fourth section of concrete conveying pipe 4-2 on the second adjusting arm 200 to be flush with the second layer of pouring window of the tunnel lining trolley;

step 403, moving the tunnel lining double-arm pump truck into the tunnel lining trolley according to the method in the step 201 and the step 202, extending the fourth section of concrete conveying pipe 4-2 on the first adjusting arm 100 into a two-layer pouring window on one side of the tunnel lining trolley, and extending the fourth section of concrete conveying pipe 4-2 on the second adjusting arm 200 into a two-layer pouring window on the other side of the tunnel lining trolley;

step five, pouring three layers of the tunnel:

step 501, operating a traveling motor 11-3 to rotate reversely, wherein the traveling motor 11-3 rotates reversely to drive a speed reducer 11-4 to rotate reversely, the speed reducer 11-4 rotates to drive a traveling wheel 11-1 to move reversely along a steel rail 10 through a driving gear 11-5 and a driven gear 11-6, and the tunnel lining double-arm pump truck exits from a tunnel lining trolley;

502, according to the method in the steps 101 and 102, adjusting the fourth section of concrete conveying pipe 4-2 on the first adjusting arm 100 to be flush with the three-layer pouring window of the tunnel lining trolley, and adjusting the fourth section of concrete conveying pipe 4-2 on the second adjusting arm 200 to be flush with the three-layer pouring window of the tunnel lining trolley;

step 503, moving the tunnel lining double-arm pump truck into the tunnel lining trolley according to the method in the steps 201 and 202, and extending the fourth section of concrete conveying pipe 4-2 on the first adjusting arm 100 into the three-layer pouring window on one side of the tunnel lining trolley, and extending the fourth section of concrete conveying pipe 4-2 on the second adjusting arm 200 into the three-layer pouring window on the other side of the tunnel lining trolley;

pouring the top of the tunnel:

601, according to the method in the steps 101 and 102, adjusting the fourth section of concrete conveying pipe 4-2 on the first adjusting arm 100 to be flush with a pouring pipe at the top of the tunnel lining trolley, adjusting the fourth section of concrete conveying pipe 4-2 on the second adjusting arm 200 to be flush with the pouring pipe at the top of the tunnel lining trolley, and connecting the fourth section of concrete conveying pipe 4-2 with the pouring pipe at the top of the tunnel lining trolley;

As shown in fig. 2 and 3, in this embodiment, the gantry 400 includes two vertical legs symmetrically arranged and a cross beam 17 connected between the two vertical legs, the vertical legs include a bottom rod, a lower arc rod, an inclined rod and an upper arc rod which are connected in sequence, the walking mechanism is located at the lower part of the bottom rod, and the cross beam 17 is located between the two upper arc rods;

the arc-shaped arch centering component 9 comprises two arc-shaped arch centering 9-1 which are symmetrically arranged and a connecting channel steel 9-2 which is connected between the two arc-shaped arch centering 9-1, the number of the connecting channel steel 9-2 is more, the connecting channel steel 9-2 is evenly distributed along the arc arch 9-1, a horizontal reinforcing rod 9-3 is arranged between the inclined rod and the arc-shaped arch frame 9-1, a plurality of horizontal reinforcing rods 9-3 are arranged, vertical reinforcing rods 9-4 are arranged between the upper arc-shaped rods and the arc-shaped arch frames 9-1, the arc-shaped arch 9-1 is positioned right above the cross beam 17, the bottom of the arc-shaped arch 9-1 is higher than the bottom of the vertical supporting leg, the connecting channel steel 9-2 is close to the front ends of the first adjusting arm 100 and the second adjusting arm 200 and extends out of an arc arch 9-1;

the spraying part comprises a water tank 12 arranged on the bottom rod, a water supply pipe 12-1 connected with the water tank 12 and distributed along the arc-shaped arch 9-1, a plurality of first spraying heads 12-2 uniformly distributed on the water supply pipe 12-1, a connecting water pipe 12-4 communicated with the water supply pipe 12-1 and distributed along the connecting channel 9-2, and a plurality of second spraying heads 12-3 uniformly distributed on the connecting water pipe 12-4.

As shown in fig. 4, in this embodiment, the traveling mechanism includes traveling members disposed at the bottoms of the four corners of the gantry 400, the traveling members 11 travel along rails 10, and the rails 10 are disposed at the bottom in the tunnel;

the walking part 11 comprises a walking box 11-7, an installation shaft 11-2 arranged in the walking box 11-7, a walking wheel 11-1 penetrating the installation shaft 11-2 and a walking motor 11-3 in transmission connection with the walking wheel 11-1, the output end of the walking motor 11-3 is connected with a speed reducer 11-4, a driving gear 11-5 is arranged on the output shaft of the speed reducer 11-4, a driven gear 11-6 is sleeved on the installation shaft 11-2, the driving gear 11-5 is meshed with the driven gear 11-6, the bottom of the walking wheel 11-1 extends out of the walking box 11-7 to be attached to a steel rail 10, and the driven gear 11-6 is connected with the walking wheel 11-1.

In the embodiment, the concrete conveying pipe comprises a first section of concrete conveying pipe 1-2 arranged along a large arm 1, a second section of concrete conveying pipe 2-2 arranged through the two arms 2, a third section of concrete conveying pipe 3-2 arranged along a three-arm 3 and a fourth section of concrete conveying pipe 4-2 arranged along a four-arm 4 in sequence, a first installation shaft 1-3 penetrates through one ends of a large arm support 1-5 and the large arm 1, a second installation shaft 2-6 penetrates through the other end of the large arm 1 and the two arm ear seats 2-5, the first installation shaft 1-3 and the second installation shaft 2-6 are hollow shafts, the outlet end of the first section of concrete conveying pipe 1-2 penetrating through the second installation shaft 2-6 is communicated with the inlet end of the second section of concrete conveying pipe 2-2, the second section of concrete conveying pipe 2-2 penetrates through the outlet end of the three-arm slewing support 3-1 to be communicated with the inlet end of the third section of concrete conveying pipe 3-2, the third section of concrete conveying pipe 3-2 penetrates through the outlet end of the small-arm slewing support 4-1 to be communicated with the fourth section of concrete conveying pipe 4-2, and the end part of the fourth section of concrete conveying pipe 4-2 extends out of the small arm 4;

the inlet end of the first section of concrete conveying pipe 1-2 penetrates through the first installation shaft 1-3 and enters the box body 6-3, and the inlet end of the first section of concrete conveying pipe 1-2 is connected with the concrete conveying device 300 through the concrete conveying connecting pipe 1-12.

As shown in fig. 6, in this embodiment, the boom slewing component includes a boom hydraulic motor 1-7, a boom reducer 1-8 connected to the boom hydraulic motor 1-7 in a transmission manner, a boom driving gear 1-9 installed on the boom reducer 1-8, and a boom slewing support 1-4 connected to the boom driving gear 1-9 in a transmission manner, an inner ring of the boom slewing support 1-4 is fixedly connected to the top of the box 6-3, and an outer ring of the boom slewing support 1-4 is engaged with the boom driving gear 1-9;

the big arm support 1-5 comprises a round base 1-5-1 fixedly connected with the outer ring of the big arm rotary support 1-4 and a rectangular base 1-5-4 integrally formed with the round base 1-5-1, a first central hole 1-5-6 is arranged at the central position of the circular base 1-5-1, a second central hole 1-5-5 is arranged at the central position of the rectangular base 1-5-4, a plurality of connecting holes 1-5-7 for connecting the outer ring of the large arm rotary support 1-4 are uniformly distributed on the circumference of the round base 1-5-1, the circular base 1-5-1 is provided with an upper connecting lug for connecting one end of the large arm 1 and a large arm lug seat 1-5-11 for connecting the large arm lifting oil cylinder 1-1.

In the embodiment, the upper connecting lug comprises a major arc plate 1-5-9 arranged on a circular base 1-5-1 and two rotary vertical plates 1-5-10 symmetrically arranged on the major arc plate 1-5-9, hinge holes 1-5-14 are arranged at the tops of the two rotary vertical plates 1-5-10, the center of the major arc plate 1-5-9 is coincided with the center of a first center hole 1-5-6, a plurality of reinforcing rib plates 1-5-2 are arranged on the outer side wall of the major arc plate 1-5-9, the bottoms of the reinforcing rib plates 1-5-2 are connected with the circular base 1-5-1, a triangular reinforcing plate 1-5-12 is arranged between the rotary vertical plate 1-5-10 and the major arc plate 1-5-9, one right-angle edge of the triangular reinforcing plate 1-5-12 is attached to the top surface of the optimal arc plate 1-5-9, and the other right-angle edge of the optimal arc plate 1-5-9 is attached to the rotary vertical plate 1-5-10;

an L-shaped connecting plate 1-5-13 is arranged between the two rotary vertical plates 1-5-10, a vertical plate is arranged between the bottom of the L-shaped connecting plate 1-5-13 and the arc-shaped plate 1-5-9, the big arm ear seat 1-5-11 comprises two ear plates 1-5-11 which are symmetrically arranged on the vertical plate, and the opening of the big arm ear seat 1-5-11 faces the bottom of the big arm 1.

As shown in fig. 7, 8 and 12, in this embodiment, the two hydraulic conveying mechanisms are respectively a first hydraulic conveying mechanism and a second hydraulic conveying mechanism, a water tank 31 is disposed at the bottom of the frame body 30, the first hydraulic conveying mechanism includes a first main cylinder 31-1 disposed on one side of the water tank 31 and a first conveying cylinder 31-4 disposed on the other side of the water tank 31, the second hydraulic conveying mechanism includes a second main cylinder 31-2 disposed on one side of the water tank 31 and a second conveying cylinder 31-3 disposed on the other side of the water tank 31, a piston rod of the first main cylinder 31-1 penetrates through the water tank 31 and extends into the first conveying cylinder 31-4, and a piston rod of the second main cylinder 31-2 penetrates through the water tank 31 and extends into the second conveying cylinder 31-3;

the end parts of the first conveying cylinder 31-4 and the second conveying cylinder 31-3 are provided with an outlet mounting plate 25, the two gate mechanisms are respectively a first gate mechanism and a second gate mechanism which are arranged on the outlet mounting plate 25, the first gate mechanism is provided with a first hydraulic cylinder mechanism, the second gate mechanism is provided with a second hydraulic cylinder mechanism, the first hydraulic cylinder mechanism drives the first gate mechanism to communicate the first conveying cylinder 31-4 with the hopper 32 or the concrete conveying pipe, and the second hydraulic cylinder mechanism drives the second gate mechanism to communicate the second conveying cylinder 31-3 with the hopper 32 or the concrete conveying pipe.

As shown in fig. 10, in the present embodiment, the outlet mounting plate 25 is provided with a first output hole 25-2 and a second output hole 25-3, the first output hole 25-2 is communicated with the first delivery cylinder 31-4, and the second output hole 25-3 is communicated with the second delivery cylinder 31-3;

the first gate mechanism is arranged on the first output hole 25-2, the second gate mechanism is arranged on the second output hole 25-3, oblique installation rods 22-1 are symmetrically arranged on two sides of the outlet installation plate 25, the tops of the two oblique installation rods 22-1 are connected with an upper cross beam 22-2, the first hydraulic cylinder mechanism is a first gate cylinder 22-3 which is arranged on the upper cross beam 22-2 and controls the first gate mechanism, and the second hydraulic cylinder mechanism is a second gate cylinder 22-4 which is arranged on the upper cross beam 22-2 and controls the second gate mechanism;

the first gate mechanism comprises a first left opening track 23-1 arranged along the length direction of the outlet mounting plate 25, a first right opening track 23-2 arranged along the length direction of the outlet mounting plate 25, a first upper connecting block 23-3 arranged between the first left opening track 23-1 and the first right opening track 23-2, and a first lower connecting block 23-4 arranged between the first left opening track 23-1 and the first right opening track 23-2, wherein a first fixed gate plate 23-5 is arranged between the first left opening track 23-1 and the first right opening track 23-2, the first fixed gate plate 23-5 divides the first output hole 25-2 into a first feed inlet and a first discharge outlet, a first left movable gate rod 23-6 is arranged in the first left opening track 23-1, a first right movable gate rod 23-7 is arranged in the first right opening track 23-2, a first movable gate plate 23-8 is connected between the first left movable gate rod 23-6 and the first right movable gate rod 23-7, and the first left movable gate rod 23-6 and the first right movable gate rod 23-7 are connected with a first gate oil cylinder 22-3;

the second gate mechanism comprises a second left opening track 24-1 arranged along the length direction of the outlet mounting plate 25, a second right opening track 24-2 arranged along the length direction of the outlet mounting plate 25, a second upper connecting block 24-3 arranged between the second left opening track 24-1 and the second right opening track 24-2, and a second lower connecting block 24-4 arranged between the second left opening track 24-1 and the second right opening track 24-2, wherein a second fixed gate plate 24-5 is arranged between the second left opening track 24-1 and the second right opening track 24-2, the second fixed gate plate 24-5 divides the second output hole 25-3 into a second feeding hole and a second discharging hole, a second left movable gate rod 24-6 is arranged in the second left opening track 24-1, a second right movable gate rod 24-7 is arranged in the second right opening track 24-2, a second movable gate plate 24-8 is connected between the second left movable gate rod 24-6 and the second right movable gate rod 24-7, and the second left movable gate rod 24-6 and the second right movable gate rod 24-7 are connected with a second gate oil cylinder 22-4.

As shown in fig. 9 and 11, in the present embodiment, the outlet mounting plate 25 is provided with an outlet connection plate 26, the outlet connection plate 26 is provided with a first feeding through port 26-1, a second feeding through port 26-2, a first discharging through port 26-3 and a second discharging through port 26-4, the first feeding through port 26-1 and the first discharging through port 26-3 are communicated with the first output hole 25-2, and the second feeding through port 26-2 and the second discharging through port 26-4 are communicated with the second output hole 25-3;

the first discharging port 26-3 and the second discharging port 26-4 are connected with a discharging pressure plate 28, the first discharging port 26-3 is provided with a first discharging pipe 34-1, the second discharging port 26-4 is provided with a second discharging pipe 34-2, and the discharging pressure plate 28 is sleeved on the first discharging pipe 34-1 and the second discharging pipe 34-2;

the outlet connecting plate 26 is provided with a hopper fixing plate 27, the hopper fixing plate 27 is provided with a first feeding channel 35-1 and a second feeding channel 35-2, and the first feeding channel 35-1 and the second feeding channel 35-2 are both communicated with the hopper 32.

In this embodiment, the vertical support legs are a first vertical support leg and a second vertical support leg respectively, the first bottom bar 15-1, the first lower arc-shaped bar 15-2, the first inclined bar 15-3 and the first upper arc-shaped bar 15-4 are sequentially connected to the first vertical support leg, the second bottom bar 16-1, the second lower arc-shaped bar 16-2, the second inclined bar 16-3 and the second upper arc-shaped bar 16-4 are sequentially connected to the second vertical support leg, and the cross beam 17 is connected between the first upper arc-shaped bar 15-4 and the second upper arc-shaped bar 16-4.

In this embodiment, the distance between the bottom of the first inclined bar 15-3 and the bottom of the second inclined bar 16-3 is greater than the distance between the top of the first inclined bar 15-3 and the top of the second inclined bar 16-3.

In the embodiment, a first bottom plate 13 is arranged on a first bottom rod 15-1, a second bottom plate 14 is arranged on a second bottom rod 16-1, a first adjusting screw 13-1 is arranged at the end part of the first bottom plate 13 far away from the concrete adjusting arm type distributing machine, a first upper nut 13-2 and a first lower nut 13-3 are arranged on the first adjusting screw 13-1 in a penetrating manner, a first adjusting handle 13-4 is arranged at the top of the first adjusting screw 13-1, and the first bottom plate 13 is positioned between the first upper nut 13-2 and the first lower nut 13-3;

a second adjusting screw 14-1 is arranged at the end part, far away from the concrete adjusting arm type distributing machine, of the second bottom plate 14, a second upper nut 14-2 and a second lower nut 14-3 penetrate through the second adjusting screw 14-1, a second adjusting handle 14-4 is arranged at the top of the second adjusting screw 14-1, and the second bottom plate 14 is located between the second upper nut 14-2 and the second lower nut 14-3.

In the embodiment, the height of the first bottom plate 13 is adjusted by the first adjusting screw 13-1, and the height of the second bottom plate 14 is adjusted by the second adjusting screw 14-1.

In this embodiment, during the in-service use, two be provided with between the crossbeam 17 and consolidate the channel-section steel 18, the quantity of consolidating the channel-section steel 18 is a plurality of, and is a plurality of consolidate the channel-section steel 18 along crossbeam 17 length direction equipartition.

In this embodiment, in actual use, the water supply pipe 12-1 includes a plurality of water supply pipe sections connected in sequence, a first three-way joint is disposed between two adjacent water supply pipe sections, and the first spray head 12-2 is mounted on the first three-way joint; the connecting water pipe 12-4 comprises a plurality of connecting water pipe sections which are sequentially connected, a second tee joint is arranged between every two adjacent connecting water pipe sections, and the second spray head 12-3 is installed on the second tee joint; the connecting water pipe 12-4 is communicated with the water supply pipe section through a third three-way joint.

In this embodiment, in actual use, the two arc arches 9-1 are respectively a first arc arch 9-1-1 and a second arc arch 9-1-2, the water supply pipe 12-1 on the first arc arch 9-1-1 is referred to as a first water supply pipe, the water supply pipe 12-1 on the second arc arch 9-1-2 is referred to as a second water supply pipe, and the water tank 12 is internally provided with a first water pump 12-5 for supplying water to the first water supply pipe and a second water pump 12-6 for supplying water to the second water supply pipe.

In this embodiment, in actual use, the walking motor 11-3 may be a YDE100L2-4-3Kw motor, and the speed reducer 11-4 may be a LDAC1-10m/min speed reducer.

In this embodiment, in actual use, the LD400-ZD wheel set can be referred to as the traveling wheel 11-1.

In this embodiment, during actual use, the traveling wheel 11-1 is rotatably mounted on the mounting shaft 11-2 through a bearing 11-8, and a shaft stopper 11-9 is disposed at an end of the mounting shaft 11-2 extending out of the traveling box 11-7, so as to axially limit the mounting shaft 11-2.

In this embodiment, four corners of the bottom of the box body 6-3 are connected with the base 6-1 through fixing pins 6-2.

In this embodiment, in actual use, four corners of the bottom of the box body 6-3 are provided with upper connecting sleeves, the base 6-1 is provided with lower connecting sleeves coaxially arranged with the upper connecting sleeves, and the fixing pin 6-2 penetrates through the upper connecting sleeves and the lower connecting sleeves.

In this embodiment, the triangular plate 6-5 is welded on the base 6-1 to increase the contact area between the bottom box and the bottom of the door frame 400, so as to increase the welding length between the bottom box and the bottom of the door frame 400, and further improve the installation stability of the adjusting arm.

In the embodiment, the bottom of the large arm 1 is provided with a middle lug seat 1-10, the fixed end of the large arm lifting oil cylinder 1-1 is hinged in the large arm lug seat 1-5-11, and the telescopic end of the large arm lifting oil cylinder 1-1 is hinged at one end of the middle lug seat 1-10; the two-arm lifting oil cylinder is characterized in that a lower lug seat 2-3 is arranged on the two arm 2, the fixed end of the two-arm lifting oil cylinder 2-1 is hinged to the other end of the middle lug seat 1-10, and the telescopic end of the two-arm lifting oil cylinder 2-1 is hinged to the lower lug seat 2-3.

In this embodiment, the three-arm pivoting support 3-1 and the small-arm pivoting support 4-1 can both refer to a pivoting support of dada, xuzhou.

In this embodiment, the bottom of the first installation shaft 1-3 is provided with a pipe passing hole for the first section of concrete conveying pipe 1-2 to pass through.

In this embodiment, the rectangular base 1-5-4 is used for installing the boom hydraulic motor 1-7 and the boom reducer 1-8, so that the output shaft of the boom reducer 1-8 passes through the second center hole 1-5-5.

In this embodiment, the first central hole 1-5-6 is provided for the first concrete conveying pipe section 1-2 to pass through.

In this embodiment, the first mounting shaft 1-3 passes through the hinge holes 1-5-14 and the end of the large arm 1.

In this embodiment, a first connection plate 29-2 is disposed on the first feeding channel 35-1, a second connection plate 29-1 is disposed on the second feeding channel 35-2, and a third connection plate 29-3 is disposed between the first connection plate 29-2 and the second connection plate 29-1.

In this embodiment, the first connecting plate 29-2, the second connecting plate 29-1 and the third connecting plate 29-3 are attached to the outer side wall of the hopper 32 in actual use.

In this embodiment, in practical use, the first feeding channel 35-1 and the second feeding channel 35-2 extend into the hopper 32 and are communicated with the hopper 32.

In this embodiment, during actual use, the concrete adjusting arm type distributing machine further includes a hydraulic assembly 5, and the hydraulic assembly 5 provides hydraulic oil for the boom lift cylinder 1-1, the two-arm lift cylinder 2-1, the boom hydraulic motor 1-7, and the like.

In this embodiment, the stirring member includes a stirring shaft 32-1 provided in the hopper 32 and a stirring blade 32-2 provided on the stirring shaft 32-1.

In this embodiment, the first gate cylinder 22-3 is connected to the first left movable gate rod 23-6 and the first right movable gate rod 23-7 through a first small cross beam 22-5, first end mounting holes for mounting the first left movable gate rod 23-6 and the first right movable gate rod 23-7 are formed at two ends of the first small cross beam 22-5, and a first middle mounting hole for mounting a telescopic end of the first gate cylinder 22-3 is formed in the middle of the first small cross beam 22-5.

In this embodiment, the second gate cylinder 22-4 is connected to the second left movable gate rod 24-6 and the second right movable gate rod 24-7 through the second small cross beam 22-6, the two ends of the second small cross beam 22-6 are provided with second end mounting holes for mounting the second left movable gate rod 24-6 and the second right movable gate rod 24-7, and the middle of the second small cross beam 22-6 is provided with a second middle mounting hole for mounting the telescopic end of the second gate cylinder 22-4.

In this embodiment, the bottom of the frame body 30 is provided with four symmetrically arranged support legs 30-4.

In this embodiment, the frame body 30 includes two frame body longitudinal beams 30-1 symmetrically arranged, a frame body cross beam 30-2 connected between the two frame body longitudinal beams 30-1, and a shell 30-3 disposed on the frame body longitudinal beam 30-1 and the frame body cross beam 30-2, the number of the frame body cross beams 30-2 is plural, and the plural frame body cross beams 30-2 are uniformly distributed along the length direction of the frame body longitudinal beam 30-1.

In this embodiment, the first master cylinder 31-1, the second master cylinder 31-2, the first conveying cylinder 31-4, the second conveying cylinder 31-3 and the water tank 31 are mounted on the frame body cross beam 30-2, and the first master cylinder 31-1, the second master cylinder 31-2, the first conveying cylinder 31-4 and the second conveying cylinder 31-3 are all arranged along the frame body longitudinal beam 30-1 direction.

In this embodiment, the first delivery cylinder 31-4 and the second delivery cylinder 31-3 are both connected to the outlet mounting plate 25.

In this embodiment, the support legs 30-4 are liftable support legs, and when in specific use, reference can be made to hydraulic support legs.

In this embodiment, the oil supply mechanism includes an oil tank 35 disposed in the frame body 30, a main motor 36, and an oil supply pump 37 connected to the main motor 36, a filter 38 is disposed on the oil tank 35, a motor base 36-1 for mounting the main motor 36 is disposed on the frame body cross beam 30-2, and the oil supply pump 37 supplies oil to the first main cylinder 31-1, the second main cylinder 31-2, the first gate cylinder 22-3, and the second gate cylinder 22-4 through pipelines.

As shown in fig. 13, in the present embodiment, the hopper fixing plate 27 is provided with a first through hole 27-1 and a second through hole 27-2, the first feeding channel 35-1 is installed at the first through hole 27-1, and the second feeding channel 35-2 is installed at the second through hole 27-2.

In this embodiment, the outlet mounting plate 25 comprises an outlet mounting plate body 25-1, the outlet mounting plate body 25-1 is provided with a first mounting protrusion 25-4, a second mounting protrusion 25-5, a first lower mounting protrusion 25-8, a second lower mounting protrusion 25-9, a first upper mounting protrusion 25-12 and a second upper mounting protrusion 25-13, the first lower mounting protrusion 25-8 is provided with a first lower mounting chute 25-6 for mounting a first left movable brake rod 23-6 and a first right movable brake rod 23-7, and the first upper mounting protrusion 25-12 is provided with a first upper mounting chute 25-10 for mounting the first left movable brake rod 23-6 and the first right movable brake rod 23-7;

the second lower mounting bulge 25-9 is provided with a second lower mounting sliding groove 25-7 for mounting a second left movable brake rod 24-6 and a second right movable brake rod 24-7, and the second upper mounting bulge 25-13 is provided with a second upper mounting sliding groove 25-11 for mounting the second left movable brake rod 24-6 and the second right movable brake rod 24-7.

The outlet mounting plate 25 is provided with an upper connecting plate 25-14 for mounting the inclined mounting rod 22-1.

In this embodiment, during actual installation, the first left opening rail 23-1 is disposed along the first installation protrusion 25-4, the second right opening rail 24-2 is disposed along the second installation protrusion 25-5, and the first right opening rail 23-2 and the second left opening rail 24-1 are installed on the outlet installation plate body 25-1.

In this embodiment, during actual installation, the first upper connecting block 23-3 is arranged along the first upper mounting protrusion 25-12, the second upper connecting block 24-3 is arranged along the second upper mounting protrusion 25-13, the first lower connecting block 23-4 is arranged along the first lower mounting protrusion 25-8, and the second lower connecting block 24-4 is arranged along the second lower mounting protrusion 25-9.

In this embodiment, during actual installation, a sliding groove for sliding the first left movable brake bar 23-6 is provided in the first left open track 23-1, a sliding groove for sliding the first right movable brake bar 23-7 is provided in the first right open track 23-2, a sliding groove for sliding the second left movable brake bar 24-6 is provided in the second left open track 24-1, and a sliding groove for sliding the first right movable brake bar 23-7 is provided in the second right open track 24-2.

In this embodiment, the cross section of the outlet mounting plate 25 is triangular, the side surface of the outlet mounting plate 25 close to the hopper 32 is an inclined surface, and the first output hole 25-2 and the second output hole 25-3 are arranged along the inclined surface of the outlet mounting plate 25. In the embodiment, the first conveying cylinder 31-4 and the second conveying cylinder 31-3 alternately convey concrete, so that the pressurized pouring on two sides of the tunnel is realized, and the secondary lining efficiency of the tunnel is improved. In conclusion, the invention has simple structure and simple and convenient operation, is arranged separately from the tunnel secondary lining trolley, so that the construction method of the tunnel lining by utilizing the tunnel lining double-arm type pump truck can stretch into or separate from the tunnel secondary lining trolley, not only can realize the construction method of the tunnel lining by utilizing the tunnel lining double-arm type pump truck and the original construction process of the tunnel secondary lining trolley, but also can realize the pouring of the two sides of the tunnel under pressure, and improves the efficiency of the tunnel secondary lining.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A construction method for lining a tunnel by using a tunnel lining double-arm pump truck, wherein the tunnel lining double-arm pump truck adopted by the method comprises a portal frame body, a concrete conveying device (300) and a concrete adjusting arm type distributing machine which are arranged on the portal frame body, and a concrete conveying pipe arranged on the concrete adjusting arm type distributing machine; the portal frame body comprises two portals (400) arranged in parallel, an arc arch part (9) arranged on the portals (400) and a travelling mechanism arranged at the bottom of the portals (400), wherein a spraying part is arranged on the arc arch part (9);

the concrete adjusting arm type distributing machine comprises two symmetrically arranged adjusting arms which are respectively a first adjusting arm (100) and a second adjusting arm (200), the number of the concrete conveying pipes is two, the two groups of concrete conveying pipes are respectively distributed on the first adjusting arm (100) and the second adjusting arm (200), and the end parts, close to the portal frame body, of the two groups of concrete conveying pipes are connected with the concrete conveying device (300); the concrete conveying device (300) comprises a frame body (30), a hydraulic conveying mechanism arranged at the bottom of the frame body (30), an oil supply mechanism arranged in the frame body (30) and a bin mechanism arranged at one end of the frame body (30), wherein the bin mechanism comprises a hopper (32), a stirring part arranged in the hopper (32) and a gate mechanism (22) connecting the hopper (32) and the hydraulic conveying mechanism, the number of the hydraulic conveying mechanism and the gate mechanism (22) is two, and the two hydraulic conveying mechanisms are respectively connected with two groups of concrete conveying pipes; the first adjusting arm (100) and the second adjusting arm (200) respectively comprise a large arm assembly, a two-arm assembly, a three-arm assembly and a small arm assembly which are sequentially connected, a bottom box is arranged on the door frame (400), the bottom box comprises a box body (6-3) and four bases (6-1) arranged at four corners of the bottom of the box body (6-3), the box body (6-3) is a hollow box body, and an opening part (6-4) is arranged on the side surface of the box body (6-3); the large arm assembly comprises a large arm rotating part, a large arm support (1-5) arranged on the large arm rotating part and a large arm (1) arranged on the large arm support (1-5), wherein a large arm lifting oil cylinder (1-1) is arranged on the large arm support (1-5); the two-arm assembly (2) comprises a two-arm lifting oil cylinder (2-1) arranged on the large arm (1), a two arm (2) connected with the two-arm lifting oil cylinder (2-1) and a two-arm ear seat (2-5) arranged on the two arm (2), and the two-arm ear seat (2-5) is hinged with the large arm (1); the three-arm assembly (3) comprises a three-arm rotary support (3-1) arranged on the two arms (2) and a three arm (3) arranged on the three-arm rotary support (3-1); the small arm assembly (4) comprises a small arm rotary support (4-1) arranged at the lower part of the three arms (3) and a small arm (4) arranged on the small arm rotary support (4-1); the method is characterized by comprising the following steps:

step one, adjusting a first adjusting arm and a second adjusting arm:

step 101, operating a large arm hydraulic motor (1-7) to rotate, wherein the large arm hydraulic motor (1-7) rotates to drive a large arm speed reducer (1-8) to rotate, and a large arm driving gear (1-9) on the large arm speed reducer (1-8) rotates to drive an outer ring of a large arm rotary support (1-4) to rotate, so that a large arm support (1-5) rotates around a large arm rotary component, and the rotation adjustment of a large arm (1) is realized;

the large arm lifting oil cylinder (1-1) is operated to stretch, so that the lifting adjustment of the large arm (1) is realized;

the two-arm lifting oil cylinder (2-1) is operated to stretch, so that the lifting adjustment of the two arms (2) is realized;

the three-arm rotary support (3-1) is operated to rotate, so that the rotation adjustment of the three arms (3) is realized;

the rotation of the small arm rotary support (4-1) is operated to realize the rotation adjustment of the small arm (4) until the fourth section of concrete conveying pipe (4-2) on the first adjusting arm (100) is level with the first layer of pouring window of the tunnel lining trolley, and the adjustment of the first adjusting arm (100) is completed; wherein the three arms (3) in the first adjusting arm (100) are parallel to the tunneling axis;

step 102, according to the method in the step 101, adjusting a fourth section of concrete conveying pipe (4-2) on a second adjusting arm (200) to be flush with a first-layer pouring window of the tunnel lining trolley, and finishing adjustment of the second adjusting arm (200); wherein the three arms (3) in the second adjusting arm (200) are parallel to the tunneling axis;

step two, moving the tunnel lining double-arm type pump truck:

step 201, operating a walking motor (11-3) to work, wherein the walking motor (11-3) rotates to drive a speed reducer (11-4) to rotate, and the speed reducer (11-4) rotates to drive a walking wheel (11-1) to move along a steel rail (10) through a driving gear (11-5) and a driven gear (11-6) until a tunnel lining double-arm type pump truck moves into a tunnel lining trolley;

step 202, operating a fourth section of concrete conveying pipe (4-2) on the first adjusting arm (100) to stretch into a layer of pouring window at one side of the tunnel lining trolley, and operating a fourth section of concrete conveying pipe (4-2) on the second adjusting arm (200) to stretch into a layer of pouring window at the other side of the tunnel lining trolley;

step three, pouring a layer of the tunnel:

301, filling concrete into a hopper (32) by a concrete pump truck;

step 302, operating the first gate oil cylinder (22-3) to extend, wherein the first gate oil cylinder (22-3) extends to push the first left movable gate rod (23-6) to slide along the first left opening track (23-1), the first right movable gate rod (23-7) slides along the first right opening track (23-2), the first left movable gate rod (23-6) and the first right movable gate rod (23-7) slide to drive the first movable gate plate (23-8) to slide along the first output hole (25-2), the first movable gate plate (23-8) closes the first discharge hole, and concrete contained in the hopper (32) enters the first conveying cylinder (31-4) through the first feed hole until the first conveying cylinder (31-4) is filled with the concrete;

step 303, operating the first gate oil cylinder (22-3) to contract, wherein the first gate oil cylinder (22-3) contracts to drive the first movable gate plate (23-8) to reversely slide along the first output hole (25-2) through the first left movable gate rod (23-6) and the first right movable gate rod (23-7), the first movable gate plate (23-8) closes the first feed inlet, the first discharge outlet is opened, the first main oil cylinder (31-1) telescopically pushes concrete in the first conveying cylinder (31-4) to be output to the concrete conveying pipe on the first adjusting arm (100) through the first discharge pipe (34-1), and pouring of one side wall of the tunnel is realized until the conveying of the concrete in the first conveying cylinder (31-4) is finished;

meanwhile, a second gate oil cylinder (22-4) extends, the second gate oil cylinder (22-4) extends to push a second left movable gate rod (24-6) to slide along a second left opening track (24-1), a second right movable gate rod (24-7) slides along a second right opening track (24-2), the second left movable gate rod (24-6) and the second right movable gate rod (24-7) slide to drive a second movable gate plate (24-8) to slide along a second output hole (25-3), the second movable gate plate (24-8) closes a second discharge hole, and concrete contained in a hopper (32) enters a second conveying cylinder (31-3) through a second feed hole until the second conveying cylinder (31-3) is filled with the concrete;

step 304, operating the second gate oil cylinder (22-4) to contract, sliding the second left movable gate rod (24-6) and the second right movable gate rod (24-7) to drive the second movable gate plate (24-8) to reversely slide along the second output hole (25-3), closing the second feed inlet by the second movable gate plate (24-8), opening the second discharge hole, telescopically pushing the concrete in the second conveying cylinder (31-3) to be output to the concrete conveying pipe on the second adjusting arm (200) through the second discharge pipe (34-2) by the second main oil cylinder (31-2) until the concrete in the second conveying cylinder (31-3) is conveyed completely, and pouring the other side wall of the tunnel;

meanwhile, the first gate oil cylinder (22-3) is operated to extend, the first gate oil cylinder (22-3) extends to push the first left movable gate rod (23-6) to slide along the first left opening track (23-1), the first right movable gate rod (23-7) slides along the first right opening track (23-2), the first left movable gate rod (23-6) and the first right movable gate rod (23-7) slide to drive the first movable gate plate (23-8) to slide along the first output hole (25-2), the first movable gate plate (23-8) closes the first discharge hole, and concrete contained in the hopper (32) enters the first conveying cylinder (31-4) through the first feed hole until the first conveying cylinder (31-4) is filled with the concrete;

step four, pouring the two layers of the tunnel:

step 401, operating a traveling motor (11-3) to rotate reversely, wherein the traveling motor (11-3) rotates reversely to drive a speed reducer (11-4) to rotate reversely, the speed reducer (11-4) rotates to drive a traveling wheel (11-1) to move reversely along a steel rail (10) through a driving gear (11-5) and a driven gear (11-6) until the tunnel lining double-arm pump truck exits from a tunnel lining trolley;

step 402, according to the method in the steps 101 and 102, adjusting a fourth section of concrete conveying pipe (4-2) on the first adjusting arm (100) to be flush with a second layer of pouring window of the tunnel lining trolley, and adjusting a fourth section of concrete conveying pipe (4-2) on the second adjusting arm (200) to be flush with a second layer of pouring window of the tunnel lining trolley;

step 403, moving the tunnel lining double-arm pump truck into the tunnel lining trolley according to the method in the step 201 and the step 202, and extending a fourth section of concrete conveying pipe (4-2) on the first adjusting arm (100) into a two-layer pouring window on one side of the tunnel lining trolley, and extending a fourth section of concrete conveying pipe (4-2) on the second adjusting arm (200) into a two-layer pouring window on the other side of the tunnel lining trolley;

step 404, repeating the steps 301 to 305, and completing two-layer pouring of the two sides of the tunnel;

step five, pouring three layers of the tunnel:

step 501, operating a traveling motor (11-3) to rotate reversely, driving a speed reducer (11-4) to rotate reversely by the traveling motor (11-3), driving a traveling wheel (11-1) to move reversely along a steel rail (10) by the rotation of the speed reducer (11-4) through a driving gear (11-5) and a driven gear (11-6) until the tunnel lining double-arm pump truck exits from a tunnel lining trolley;

502, according to the method in the steps 101 and 102, adjusting a fourth section of concrete conveying pipe (4-2) on the first adjusting arm (100) to be flush with the three-layer pouring window of the tunnel lining trolley, and adjusting a fourth section of concrete conveying pipe (4-2) on the second adjusting arm (200) to be flush with the three-layer pouring window of the tunnel lining trolley;

step 503, moving the tunnel lining double-arm pump truck into the tunnel lining trolley according to the method in the steps 201 and 202, and extending a fourth section of concrete conveying pipe (4-2) on the first adjusting arm (100) into a three-layer pouring window at one side of the tunnel lining trolley, and extending a fourth section of concrete conveying pipe (4-2) on the second adjusting arm (200) into a three-layer pouring window at the other side of the tunnel lining trolley;

step 504, repeating the step 301 to the step 305, and completing three-layer pouring of two sides of the tunnel;

pouring the top of the tunnel:

601, according to the method in the steps 101 and 102, adjusting a fourth section of concrete conveying pipe (4-2) on the first adjusting arm (100) to be flush with a pouring pipe at the top of the tunnel lining trolley, adjusting a fourth section of concrete conveying pipe (4-2) on the second adjusting arm (200) to be flush with the pouring pipe at the top of the tunnel lining trolley, and connecting the fourth section of concrete conveying pipe (4-2) with the pouring pipe at the top of the tunnel lining trolley;

and step 602, repeating the steps 301 to 305, and completing the top pouring of the tunnel.

2. The method for constructing a tunnel lining by using the tunnel lining double-arm pump truck as claimed in claim 1, wherein: the gantry (400) comprises two vertical supporting legs which are symmetrically arranged and a cross beam (17) connected between the two vertical supporting legs, the vertical supporting legs comprise a bottom rod, a lower arc-shaped rod, an inclined rod and an upper arc-shaped rod which are sequentially connected, the walking mechanism is positioned at the lower part of the bottom rod, and the cross beam (17) is positioned between the two upper arc-shaped rods;

the arc-shaped arch frame component (9) comprises two arc-shaped arch frames (9-1) which are symmetrically arranged and connecting channel steel (9-2) connected between the two arc-shaped arch frames (9-1), the number of the connecting channel steel (9-2) is multiple, the connecting channel steel (9-2) is uniformly distributed along the arc-shaped arch frames (9-1), horizontal reinforcing rods (9-3) are arranged between the inclined rods and the arc-shaped arch frames (9-1), the number of the horizontal reinforcing rods (9-3) is multiple, vertical reinforcing rods (9-4) are arranged between the upper arc-shaped rods and the arc-shaped arch frames (9-1), the arc-shaped arch frames (9-1) are positioned right above the cross beams (17), and the bottoms of the arc-shaped arch frames (9-1) are higher than the bottoms of the vertical supporting legs, the front ends of the connecting channel steels (9-2) close to the first adjusting arm (100) and the second adjusting arm (200) extend out of the arc-shaped arch centering (9-1);

the spraying part comprises a water tank (12) arranged on the bottom rod, a water supply pipe (12-1) connected with the water tank (12) and distributed along the arc-shaped arch frame (9-1), a plurality of first spraying heads (12-2) uniformly distributed on the water supply pipe (12-1), a connecting water pipe (12-4) communicated with the water supply pipe (12-1) and distributed along the connecting channel steel (9-2), and a plurality of second spraying heads (12-3) uniformly distributed on the connecting water pipe (12-4).

3. The method for constructing a tunnel lining by using the tunnel lining double-arm pump truck as claimed in claim 1, wherein: the travelling mechanism comprises travelling parts arranged at the bottoms of four corners of the gantry (400), the travelling parts (11) travel along steel rails (10), and the steel rails (10) are arranged at the bottom in the tunnel;

the walking part (11) comprises a walking box (11-7), a mounting shaft (11-2) arranged in the walking box (11-7), a walking wheel (11-1) arranged on the mounting shaft (11-2) in a penetrating way and a walking motor (11-3) in transmission connection with the walking wheel (11-1), the output end of the walking motor (11-3) is connected with a speed reducer (11-4), the output shaft of the speed reducer (11-4) is provided with a driving gear (11-5), a driven gear (11-6) is sleeved on the mounting shaft (11-2), the driving gear (11-5) is meshed with the driven gear (11-6), the bottom of the walking wheel (11-1) extends out of the walking box (11-7) to be attached to the steel rail (10), and the driven gear (11-6) is connected with the walking wheel (11-1).

4. The method for constructing a tunnel lining by using the tunnel lining double-arm pump truck as claimed in claim 1, wherein: the concrete conveying pipe comprises a first section of concrete conveying pipe (1-2) arranged along a large arm (1), a second section of concrete conveying pipe (2-2) arranged through a second arm (2), a third section of concrete conveying pipe (3-2) arranged along a third arm (3) and a fourth section of concrete conveying pipe (4-2) arranged along a fourth arm (4) in sequence, a first installation shaft (1-3) penetrates through one end of a large arm support (1-5) and one end of the large arm (1), a second installation shaft (2-6) penetrates through the other end of the large arm (1) and one end of a second arm lug seat (2-5), the first installation shaft (1-3) and the second installation shaft (2-6) are hollow shafts, the first section of concrete conveying pipe (1-2) penetrates through the outlet end of the second installation shaft (2-6) and is communicated with the inlet end of the second section of concrete conveying pipe (2-2), the second section of concrete conveying pipe (2-2) penetrates through the outlet end of the three-arm rotary support (3-1) to be communicated with the inlet end of the third section of concrete conveying pipe (3-2), the third section of concrete conveying pipe (3-2) penetrates through the outlet end of the small-arm rotary support (4-1) to be communicated with the fourth section of concrete conveying pipe (4-2), and the end part of the fourth section of concrete conveying pipe (4-2) extends out of the small arm (4);

the inlet end of the first section of concrete conveying pipe (1-2) penetrates through the first installation shaft (1-3) and enters the box body (6-3), and the inlet end of the first section of concrete conveying pipe (1-2) is connected with the concrete conveying device (300) through the concrete conveying connecting pipe (1-12).

5. The method for constructing a tunnel lining by using the tunnel lining double-arm pump truck as claimed in claim 1, wherein: the large arm rotating part comprises a large arm hydraulic motor (1-7), a large arm speed reducer (1-8) in transmission connection with the large arm hydraulic motor (1-7), a large arm driving gear (1-9) installed on the large arm speed reducer (1-8), and a large arm rotating support (1-4) in transmission connection with the large arm driving gear (1-9), wherein the inner ring of the large arm rotating support (1-4) is fixedly connected with the top of the box body (6-3), and the outer ring of the large arm rotating support (1-4) is meshed with the large arm driving gear (1-9);

the large arm support (1-5) comprises a circular base (1-5-1) fixedly connected with the outer ring of the large arm rotary support (1-4) and a rectangular base (1-5-4) integrally formed with the circular base (1-5-1), a first central hole (1-5-6) is formed in the central position of the circular base (1-5-1), a second central hole (1-5-5) is formed in the central position of the rectangular base (1-5-4), a plurality of connecting holes (1-5-7) used for connecting the outer ring of the large arm rotary support (1-4) are uniformly distributed in the circumference of the circular base (1-5-1), an upper connecting lug used for connecting one end of the large arm (1) and a large arm lifting oil cylinder (1-1) are arranged on the circular base (1-5-1) ) The big arm ear seat (1-5-11).

6. The method for constructing a tunnel lining by using the tunnel lining double-arm pump truck as claimed in claim 5, wherein: the upper connecting lug comprises a major arc plate (1-5-9) arranged on a circular base (1-5-1) and two rotary vertical plates (1-5-10) symmetrically arranged on the major arc plate (1-5-9), hinge holes (1-5-14) are formed in the tops of the two rotary vertical plates (1-5-10), the center of the major arc plate (1-5-9) is overlapped with the center of a first central hole (1-5-6), a plurality of reinforcing rib plates (1-5-2) are arranged on the outer side wall of the major arc plate (1-5-9), the bottoms of the reinforcing rib plates (1-5-2) are connected with the circular base (1-5-1), and triangular reinforcing plates (1-5-9) are arranged between the rotary vertical plates (1-5-10) and the major arc plate (1-5-9) 5-12), one right-angle edge of the triangular reinforcing plate (1-5-12) is attached to the top surface of the optimal arc plate (1-5-9), and the other right-angle edge of the optimal arc plate (1-5-9) is attached to the rotary vertical plate (1-5-10);

an L-shaped connecting plate (1-5-13) is arranged between the two rotary vertical plates (1-5-10), a vertical plate is arranged between the bottom of the L-shaped connecting plate (1-5-13) and the major arc plate (1-5-9), the big arm ear seat (1-5-11) comprises two ear plates (1-5-11) symmetrically arranged on the vertical plate, and the opening of the big arm ear seat (1-5-11) faces the bottom of the big arm (1).

7. The method for constructing a tunnel lining by using the tunnel lining double-arm pump truck as claimed in claim 1, wherein: the two hydraulic conveying mechanisms are respectively a first hydraulic conveying mechanism and a second hydraulic conveying mechanism, a water tank (31) is arranged at the bottom of the frame body (30), the first hydraulic conveying mechanism comprises a first main oil cylinder (31-1) arranged on one side of the water tank (31) and a first conveying cylinder (31-4) arranged on the other side of the water tank (31), the second hydraulic conveying mechanism comprises a second main oil cylinder (31-2) arranged on one side of the water tank (31) and a second conveying cylinder (31-3) arranged on the other side of the water tank (31), a piston rod of the first main oil cylinder (31-1) penetrates through the water tank (31) and extends into the first conveying cylinder (31-4), and a piston rod of the second main oil cylinder (31-2) penetrates through the water tank (31) and extends into the second conveying cylinder (31-3);

the end parts of the first conveying cylinder (31-4) and the second conveying cylinder (31-3) are provided with an outlet mounting plate (25), the two gate mechanisms are respectively a first gate mechanism and a second gate mechanism which are arranged on the outlet mounting plate (25), the first gate mechanism is provided with a first hydraulic cylinder mechanism, the second gate mechanism is provided with a second hydraulic cylinder mechanism, the first hydraulic cylinder mechanism drives the first gate mechanism to communicate the first conveying cylinder (31-4) with the hopper (32) or the concrete conveying pipe, and the second hydraulic cylinder mechanism drives the second gate mechanism to communicate the second conveying cylinder (31-3) with the hopper (32) or the concrete conveying pipe.

8. The method for constructing a tunnel lining by using the tunnel lining double-arm pump truck as claimed in claim 7, wherein: a first output hole (25-2) and a second output hole (25-3) are formed in the outlet mounting plate (25), the first output hole (25-2) is communicated with the first conveying cylinder (31-4), and the second output hole (25-3) is communicated with the second conveying cylinder (31-3);

the first gate mechanism is arranged on a first output hole (25-2), the second gate mechanism is arranged on a second output hole (25-3), oblique installation rods (22-1) are symmetrically arranged on two sides of the outlet installation plate (25), the tops of the two oblique installation rods (22-1) are connected with an upper cross beam (22-2), the first hydraulic cylinder mechanism is a first gate oil cylinder (22-3) which is arranged on the upper cross beam (22-2) and controls the first gate mechanism, and the second hydraulic cylinder mechanism is a second gate oil cylinder (22-4) which is arranged on the upper cross beam (22-2) and controls the second gate mechanism;

the first gate mechanism comprises a first left opening track (23-1) arranged along the length direction of the outlet mounting plate (25), a first right opening track (23-2) arranged along the length direction of the outlet mounting plate (25), a first upper connecting block (23-3) arranged between the first left opening track (23-1) and the first right opening track (23-2), and a first lower connecting block (23-4) arranged between the first left opening track (23-1) and the first right opening track (23-2), wherein a first fixed gate plate (23-5) is arranged between the first left opening track (23-1) and the first right opening track (23-2), and the first fixed gate plate (23-5) divides the first output hole (25-2) into a first feeding hole and a first discharging hole, a first left movable gate rod (23-6) is arranged in the first left opening track (23-1), a first right movable gate rod (23-7) is arranged in the first right opening track (23-2), a first movable gate plate (23-8) is connected between the first left movable gate rod (23-6) and the first right movable gate rod (23-7), and the first left movable gate rod (23-6) and the first right movable gate rod (23-7) are connected with a first gate oil cylinder (22-3);

the second gate mechanism comprises a second left opening track (24-1) arranged along the length direction of the outlet mounting plate (25), a second right opening track (24-2) arranged along the length direction of the outlet mounting plate (25), a second upper connecting block (24-3) arranged between the second left opening track (24-1) and the second right opening track (24-2), and a second lower connecting block (24-4) arranged between the second left opening track (24-1) and the second right opening track (24-2), a second fixed gate plate (24-5) is arranged between the second left opening track (24-1) and the second right opening track (24-2), and the second fixed gate plate (24-5) divides the second output hole (25-3) into a second feeding hole and a second discharging hole, a second left movable gate rod (24-6) is arranged in the second left opening track (24-1), a second right movable gate rod (24-7) is arranged in the second right opening track (24-2), a second movable gate plate (24-8) is connected between the second left movable gate rod (24-6) and the second right movable gate rod (24-7), and the second left movable gate rod (24-6) and the second right movable gate rod (24-7) are connected with a second gate oil cylinder (22-4).

9. The method for constructing a tunnel lining by using the tunnel lining double-arm pump truck as claimed in claim 7, wherein: an outlet connecting plate (26) is arranged on the outlet mounting plate (25), a first feeding through hole (26-1), a second feeding through hole (26-2), a first discharging through hole (26-3) and a second discharging through hole (26-4) are arranged on the outlet connecting plate (26), the first feeding through hole (26-1) and the first discharging through hole (26-3) are communicated with the first output hole (25-2), and the second feeding through hole (26-2) and the second discharging through hole (26-4) are communicated with the second output hole (25-3);

the first discharging port (26-3) and the second discharging port (26-4) are connected with a discharging pressure plate (28), a first discharging pipe (34-1) is installed on the first discharging port (26-3), a second discharging pipe (34-2) is installed on the second discharging port (26-4), and the first discharging pipe (34-1) and the second discharging pipe (34-2) are sleeved with the discharging pressure plate (28);

the hopper fixing plate (27) is mounted on the outlet connecting plate (26), a first feeding channel (35-1) and a second feeding channel (35-2) are arranged on the hopper fixing plate (27), and the first feeding channel (35-1) and the second feeding channel (35-2) are communicated with the hopper (32).