CN108952749A - A tunnel construction vehicle - Google Patents

Abstract

The invention discloses a tunnel construction operation vehicle, which comprises a trolley frame, a main lifting platform, a top lifting platform, a main platform lifting system, a top platform lifting system, a walking drive system, a main control system and several drilling machines; the main platform lifting The system and the top platform lifting system are all installed on the trolley frame. The main platform lifting system is also connected with the main lifting platform to drive the main lifting platform to move up and down. The top platform lifting system is also connected with the top lifting platform to drive the top lifting platform up and down. Movement; the main lifting platform and the top lifting platform are equipped with guide rails, and the drilling rig is slidingly connected with the slide rails; the travel drive system is installed at the bottom of the trolley frame to drive the operation vehicle to move, and the main control system is used to control the operation vehicle to lift and execute. The work vehicle adopts optimized design, the overall structure is reliable, practical, easy to operate and reasonable in cost.

Description

A tunnel construction vehicle

technical field

The invention belongs to the technical field of tunnel construction machinery, and in particular relates to a tunnel construction operation vehicle.

Background technique

According to the current national conditions, in a large number of engineering constructions, the investment in technical support and construction machinery and equipment is seriously insufficient. Often for reasons such as saving costs or increasing employment opportunities, labor-intensive operation methods are used. The equipment adopts very simple and backward machinery and equipment, including the application and promotion of new technologies, which are simplified as much as possible or replaced by omissions. This will result in the reduction of its equipment supporting capacity and mechanization degree, and the backwardness of its production process. Although the reduction in investment in technology and equipment can reduce certain production costs, it shows that the overall technical content of construction is low and the production efficiency is not high. Of course, it is difficult to introduce new technologies and new technologies with innovative value Technology and new construction equipment are used to promote technological progress, let alone lead the revolution of engineering technology.

With the rapid development of tunnel and underground engineering construction, in order to realize the scientific, reasonable, natural and environmental protection, and people-oriented construction concept, it is necessary to make great improvements in construction technology, construction methods and construction equipment, increase investment, and strengthen construction. The configuration of mechanical equipment strengthens the mechanization and automation capabilities of equipment, so as to further improve the level of construction technology.

Contents of the invention

The object of the present invention is to solve the above problems and provide a tunnel construction vehicle with reliable overall structure, practicality, convenient operation and reasonable cost.

In order to solve the above technical problems, the technical solution of the present invention is: a tunnel construction vehicle, including a trolley frame, a top lifting platform, a top platform lifting system, a walking drive system, a main control system and several drilling rigs;

The top platform lifting system is installed on the trolley frame, and the top platform lifting system is also connected with the top lifting platform to drive the top lifting platform to move up and down;

The top lifting platform is provided with a guide rail, and the drilling machine is slidingly connected with the slide rail;

The travel driving system is installed at the bottom of the trolley frame to drive the operation vehicle to move, and the main control system is used to control the operation vehicle to go up and down.

Preferably, the jacking platform lifting system includes several sets of jacking jacking components arranged between the trolley frame and the jacking platform, and the jacking jacking components include guide column fixing pipes, jacking guide columns and jacking cylinders, so The guide post fixing pipe is arranged on the trolley frame, the jacking cylinder is arranged in the guide post fixing pipe, the jacking guide post is arranged on the top of the jacking oil cylinder and its end is fixedly connected with the jacking platform.

Preferably, the top lifting platform is composed of cross arms, top platform connecting beams, diagonal braces, intermediate I-beams, horizontal connecting channel steels, longitudinal I-beams, cantilever beams, vertical connecting beams, stiffener plates, and backing plates. frame structure.

Preferably, the trolley frame includes a front door frame, a rear door frame, and upper longitudinal beams on both sides of the top and lower longitudinal beams on both sides of the bottom between the front door frame and the rear frame, respectively, between the upper longitudinal beams There are several upper parallel connecting beams and upper parallel connecting longitudinal beams respectively along the horizontal and vertical directions, and several columns 1 are arranged between the upper longitudinal beams and the lower longitudinal beams. A column connection beam is arranged between the frame and the adjacent column one.

Preferably, the front door frame includes a door-shaped frame 1, and the door-shaped frame 1 is composed of a column 2 and a front main beam, and the front main beam is composed of a connecting beam 1 and a reinforcing beam 1 arranged up and down , The front end face of the front main beam is also provided with an end connecting beam 109 .

Preferably, the rear door frame includes a door-shaped frame 2, and the door-shaped frame 2 is composed of a column 3 and a rear main beam, and two large diagonal braces are arranged symmetrically between the rear main beam and the column 3, and the large diagonal A horizontal cross brace is provided between the braces, and an auxiliary brace is provided between the large diagonal brace and the left/right upper corner of the door-shaped frame. The rear main beam is composed of a connecting beam 2 and a reinforcing beam 2 arranged from top to bottom. .

Preferably, guardrails are provided around the edges of the top lifting platform, and guardrail doors are opened on the guardrails.

The beneficial effects of the present invention are: the tunnel construction operation vehicle provided by the present invention has an elevating working platform, which can carry multiple drilling rigs; , easy to move quickly; the pre-reinforced work vehicle and its supporting drilling rig and other equipment have stable performance and are easy to operate; the working platform can take into account concrete spraying and steel arch installation and other operations; with optimized design, the overall structure is reliable and practical, and the equipment is easy to manufacture. The cost is reasonable.

Description of drawings

Fig. 1 is a structural representation of the tunnel construction vehicle of the present invention;

Fig. 2 is A-A direction view among Fig. 1;

Fig. 3 is B-B direction view among Fig. 1;

Fig. 4 is a schematic diagram of the frame structure of the trolley;

Fig. 5 is a top view of the trolley frame;

Fig. 6 is a schematic structural view of the front mast;

Fig. 7 is a side view of the front mast;

Figure 8 is a top view of the front mast;

Fig. 9 is a structural schematic diagram of the rear door frame;

Figure 10 is a side view of the rear mast;

Figure 11 is a top view of the rear door frame;

Fig. 12 is a schematic diagram of a reinforced beam structure;

Fig. 13 is a top view of the reinforced beam;

Fig. 14 is a schematic diagram of column structure;

Figure 15 is a top view of the column;

Fig. 16 is a structural schematic diagram of a reinforcing beam;

Figure 17 is a top view of the reinforcing beam;

Fig. 18 is a schematic diagram of the structure of the long connecting beam;

Figure 19 is a top view of the long connecting beam;

Fig. 20 is a long connecting beam A-A direction view;

Figure 21 is a schematic diagram of the structure of the lower longitudinal beam;

Figure 22 is a top view of the lower side beam;

Figure 23 is a top view of the lower side member;

Fig. 24 is a side view of the lower side member;

Figure 25 is a schematic structural view of the main lifting platform;

Figure 26 is a top view of the main lifting platform;

Fig. 27 is a structural schematic diagram of the main lifting frame;

Figure 28 is a top view of the main lifting frame;

Figure 29 is a view from A-A in Figure 27;

Fig. 30 is a structural schematic diagram of the drilling rig and the lifting seat of the drilling rig;

Figure 31 is a top view of the drilling rig and the lifting seat of the drilling rig;

Fig. 32 is a structural schematic diagram of the main platform lifting system;

Figure 33 is a side view of the main platform lifting system;

Figure 34 is a top view of the main platform lifting system;

Fig. 35 is a structural schematic diagram of the top lifting platform;

Figure 36 is a side view of the top lifting platform;

Figure 37 is a top view of the lifting platform;

Figure 38 is a view from A-A in Figure 37;

Fig. 39 is a structural schematic diagram of the top platform lifting system;

Figure 40 is a side view of the top platform lifting system.

Explanation of reference signs: 1. trolley frame; 2. main lifting platform; 3. top lifting platform; 4. main platform lifting system; 5. top platform lifting system; 6. walking drive system; 7. main control system; 8. Drilling rig; 9. Auxiliary hoisting mechanism; 10. Fixed platform and escalator; 101. Front mast; 102. Rear mast; 103. Lower longitudinal beam; 104. Long connecting beam; 105. Short connecting beam; 106. Upper longitudinal beam ; 107, upper parallel connecting longitudinal beam; 108, upper parallel connecting beam; 109, end connecting beam; 1011, column two; 1012, connecting beam one; 1013, strengthening beam one; Horizontal cross brace; 1023, auxiliary brace; 1024, reinforced beam two; 1025, connecting beam two; 1026, column three; 1101, column I-beam; 1102, longitudinal reinforcement plate; I-beam; 1105, diagonal bracing angle steel; 1106, horizontal large rib plate; 1107, channel steel beam; 1108, connecting beam; 1109, connecting end plate; 1110, connecting plate; 1031, I-beam; 1032, connecting I-shaped Steel; 1033, column connecting plate; 1034, traveling mechanism mounting plate; 1035, oil cylinder mounting connecting plate; 1036, end connecting channel steel; 1037, reinforcing rib plate; 1042, connecting I-beam; 1043, oil cylinder base mounting plate; 1044, small rib plate; 1045, end connecting plate; 201, lateral platform; 202, middle main platform; 203 folding platform; 204, main lifting frame; 205. Guardrail; 2041. End; 2042. Adjusting member; 2043. Lifting frame connecting beam; 2044. Guide wheel; 301. Cross arm; 302. Top platform connecting beam; 303. Diagonal brace; ; 305, horizontal connecting channel steel; 306, longitudinal I-beam, 307, vertical connecting beam; 308, backing plate; 309, stiffener plate; 310, cantilever beam; 401, fixed pulley; 402, adjustable limit seat; 403. Locking mechanism; 404. Steel wire rope or chain; 405. Oil cylinder jacking pulley; 406. Lifting cylinder; 407 Adjustable fixed pulley; 501. Guide column fixing tube; 502 Jacking guide column; Lan; 504, jacking oil cylinder; 801, lifting seat of drilling rig.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so as to further demonstrate the advantages and principles of the present invention. It should be noted that in this embodiment, as a preferred embodiment, a detailed description of the main lifting platform and the main lifting system is added, and the absence of the main lifting platform and the main lifting system has no substantial impact on the present invention.

As shown in Figures 1-3, the tunnel construction operation vehicle of the present invention includes a trolley frame 1, a main lifting platform 2, a top lifting platform 3, a main platform lifting system 4, a top platform lifting system 5, a walking drive system 6, Main control system 7 and several drilling rigs 8 . The main platform lifting system 4 and the top platform lifting system 5 are all installed on the trolley frame 1. The main platform lifting system 4 is also connected with the main lifting platform 2 to drive the main lifting platform 2 to move up and down. The top platform lifting system 5 is also connected with the top platform. The lifting platforms 3 are connected to drive the top lifting platform 3 to move up and down; the main lifting platform 2 and the top lifting platform 3 are provided with guide rails, and the drilling rig 8 is slidingly connected with the slide rails; the walking drive system 6 is installed on the bottom of the trolley frame 1 to Drive the operation vehicle to move, and the main control system 7 is used to control the operation vehicle to go up and down.

In this embodiment, as shown in FIGS. 4-5 , the trolley frame 1 is a frame structure, including a front mast 101 , a rear mast 102 , two upper longitudinal beams 106 and two lower longitudinal beams 103 . The upper longitudinal beam 106 is arranged between the front door frame 101 and the two sides of the top of the rear frame, and the lower longitudinal beam 103 is arranged between the front door frame 101 and the two sides of the bottom of the rear frame. As a preferred embodiment of the present invention, fixed platforms and escalators 10 are also provided on both sides of the trolley frame.

As shown in Figures 21-24, the lower longitudinal beam 103 is composed of I-shaped steel beams 1031 and connecting I-shaped steel beams 1032, the two ends of the lower longitudinal beam 103 are provided with end connecting channel steel 1036, and the two sides are provided with reinforcing ribs 1037 . The upper surface of the lower longitudinal beam 103 is provided with a column connection plate 1033 and an oil cylinder installation connection plate 1035. The column connection plate 1033 is used for the fixed installation of the column, and the oil cylinder installation connection plate 1035 is used for fixing the lifting cylinder 406 in the main platform lifting system 4. Install. Both sides of its lower surface are provided with traveling mechanism mounting plate 1034 and traveling mechanism mounting seat 1038. The upper longitudinal beam 106 and the lower longitudinal beam 103 have the same structure, and are also composed of I-beams 1031 and connecting I-beams 1032. Both ends are provided with end connecting channel steels 1036, and reinforcing ribs 1037 are provided on both sides. The lower surface of the upper longitudinal beam 106 is provided with a column connecting plate 1033 , and the upper surface is provided with a jacking cylinder mount, which is used for the fixed installation of the jacking cylinder 503 in the jacking system 5 . Between the two upper longitudinal beams 106, two upper parallel connecting beams 108 and three upper parallel connecting beams 107 are respectively arranged in the transverse direction and longitudinal direction. Three columns 1 are arranged between the upper longitudinal beams 106 and the lower longitudinal beams 103 corresponding to the positions.

As shown in Figure 6-8, the front door frame 101 includes a door-shaped frame 1, which is composed of a column 2 1011 and a front main beam, and the front main beam is composed of a connecting beam 1 1012 and a reinforcing beam arranged from top to bottom A 1013 structure, the front end face of the front main beam is also provided with an end connecting beam 109.

As shown in Fig. 9-11, the rear mast 102 includes a door-shaped frame two, and the second door-shaped frame is composed of a column three 1026 and a rear main beam, and two large oblique beams are arranged symmetrically between the rear main beam and the column three 1026 Brace 1021, a horizontal cross brace 1022 is arranged between the large diagonal brace 1021, an auxiliary brace 1023 is also provided between the large diagonal brace 1021 and the left/right upper corner of the door-shaped frame, and the rear main beam is connected by a top and bottom Two beams 1025 and two reinforced beams 1024 are formed. As shown in Fig. 12-13, the first reinforced beam 1013 and the second strong beam 1024 have the same structure, and are composed of a reinforcing beam and a connecting seat of the reinforcing beam. As shown in Figures 16-17, the reinforcing beam is composed of a channel steel beam 1107, a connecting beam 1108, a connecting end plate 1109, and a connecting plate 1110.

As shown in Figures 14-15, the structures of the first column, the second column 1011 and the third column 1026 are the same. The column is composed of a bottom end plate, a column I-beam 1101, a transverse connecting I-beam 1104, a diagonal brace angle steel 1105 and an upper end plate. The upper and lower parts of the column are provided with longitudinal ribs 1102, the upper part of the column is also provided with large transverse ribs 1106, and the middle part is provided with an intermediate beam connecting plate 1103, which is used for the installation of the column connecting beam.

Column connecting beams are arranged between the adjacent column one and between the front door frame 101, the rear door frame 102 and the adjacent column one. The column connecting beams include long connecting beams 104 and short connecting beams 105 . Specifically, counting from left to right, there are long connecting beams 104 between the third column 1026 and the first column one, and between the first column one and the second column one. A short connecting beam 105 is provided between the fourth column 1 and column 2 1011 . Both the long connecting beam 104 and the short connecting beam 105 are located in the middle of the column. As shown in Fig. 18-20, the long connecting beam 104 and the short connecting beam 105 have the same structure, only different in length, both are composed of I-beam 1041 and connecting I-beam 1042, with small ribs 1044 at both ends, and A terminal connecting plate 1045 is provided. The upper surface of the column connecting beam is provided with an oil cylinder base mounting plate 1043 .

As shown in FIGS. 25-26 , the main lifting platform 2 includes a central main platform 202 , a lateral platform 201 , a folding platform 203 and a main lifting frame 204 . With the middle main platform 202 as the center, the main lifting frame 204, the side platform 201, and the folding platform 203 are arranged symmetrically from inside to outside in sequence. As shown in FIGS. 27-29 , the main lifting frame 204 includes a lifting frame connecting beam 2043 , guide wheels 2044 and ends 2041 . The guide wheels 2044 and the ends 2041 are symmetrically arranged on the two ends of the lifting frame connecting beam 2043 sequentially from the inside and the outside. An adjustment member 2042 is also provided at the guide wheel 2044 . A locking mechanism 403 is also provided on the lifting frame connecting beam 2043 . As shown in Figures 30-30, guide rails are set on the main lifting platform 2, and a drilling rig lifter 801 is also installed on the guide rail. The drilling rig lifter 801 can make the drilling machine 8 lift up and down within a certain stroke, and also can drive the drilling machine 8 to move left and right along the guide rail. The periphery edge place of main lifting platform 2 is provided with guardrail 205, and guardrail 205 is fixedly connected with main lifting platform 2 by guardrail mounting seat, and guardrail 205 is opened and is also provided with guardrail door.

As shown in Figures 32-34, the main platform lifting system 4 includes two sets of main lifting components. The two sets of main lifting components have the same structure and are respectively located on the left and right sides of the main lifting platform. The main lifting assembly includes a lifting cylinder 406, a cylinder jacking pulley 405, two adjustable fixed pulleys 407, two fixed pulleys 401, two adjustable limit seats and a wire rope or chain 404. The lifting cylinder 406 is set on the lower longitudinal beam 103 of the trolley frame 1 through the cylinder base mounting plate, the cylinder lifting pulley 405 is set on the top of the lifting cylinder 406, and the two adjustable fixed pulleys 407 are symmetrically arranged on the trolley with respect to the lifting cylinder 406 On the lower longitudinal beam 103 of the frame 1, two fixed pulleys 401 are fixedly arranged on the upper longitudinal beam 106 of the trolley frame 1, and the adjustable limit seat is located on the side of the fixed pulley 401 and fixedly arranged on the side of the trolley frame 1. on the upper stringer 106 . Wire rope or chain 404 are wound around the guide wheel 2044, locking mechanism 403, fixed pulley 401, adjustable fixed pulley 407, oil cylinder jacking pulley 405 successively on the main lifting platform.

As shown in Figures 35-38, the top lifting platform 3 is composed of a cross arm 301, a top platform connecting beam 302, a diagonal brace 303, a middle I-beam 304, a transverse connecting channel steel 305, a longitudinal I-beam 306, a cantilever beam 310, A frame structure composed of vertical connecting beams 307, stiffener plates 309, and backing plates 308. Guide rails are all set on the top lifting platform 3, and the drilling machine lifting seat 801 is also installed on the guiding rail, and the drilling machine lifting seat 801 is slidingly connected with the guide rail, and the drilling machine 8 is installed on the drilling machine lifting seat 801. The drilling rig lifter 801 can make the drilling machine 8 lift up and down within a certain stroke, and also can drive the drilling machine 8 to move left and right along the guide rail. The configuration of the number of drilling rigs 8 can be determined according to the construction technical requirements and the carrying capacity of the equipment. The basic configuration is that the main lifting platform 2 can carry 3 drilling rigs 8, and the top lifting platform 3 can carry 1 to 2 drilling rigs 8. The supporting drilling rig is preferably hydraulically driven, and its power is appropriate, but its energy transmission efficiency is high, and it can save a lot of power consumption. Drilling Rig 8 is equipped with an automatic loading and unloading drill pipe type power head and a long-stroke slide table base, and is equipped with special drill pipes, percussion rock drilling bits and an optimized integrated hydraulic system. Due to the large lifting table and strong bearing capacity of the special operation vehicle, it can ensure the ability and advantages of pre-reinforcement and rapid drilling operations. The periphery edge place of top lifting platform 3 is provided with guardrail 205, and guardrail 205 is fixedly connected with main lifting platform 2 by guardrail mounting seat, and guardrail 205 is opened and is also provided with guardrail door.

As shown in Figures 39-40, the top platform lifting system 5 includes six sets of top lifting components arranged between the trolley frame 1 and the top lifting platform 3, and the six sets of top lifting components are distributed in pairs on the trolley frame 1. left and right sides. The jack lifting assembly includes a guide post fixing pipe 501 , a jacking guide post 502 and a drilling rig lifting seat, and the guide post fixing pipe 501 is arranged on the column connecting beam of the trolley frame 1 . The jacking cylinder 503 is arranged in the guide column fixing pipe 501 and connected with the upper longitudinal beam 106 through the jacking cylinder mounting seat. The jacking guide column 502 is arranged on the top of the jacking cylinder 503 and its end is fixedly connected with the bottom of the jacking platform 3 .

The walking drive system 6 can be configured with tracks, wheeled or crawler tracks. The main control system 7 is an integrated hydraulic drive and control system.

As another preferred embodiment of the present invention, two auxiliary hoisting mechanisms 9 with a lifting capacity of 500KG are designed and equipped at both ends of the tail of the work vehicle for hoisting and transporting of construction equipment, materials and auxiliary facilities.

The main technical parameters of the tunnel construction vehicle in the present embodiment are as follows:

(1) Suitable for tunnel sectional area: 80-150m2;

(2) The maximum stroke of the upper working platform: 2000mm;

(3) The maximum stroke of the lower working platform: 4000mm;

(4) Way of walking: rail type or wheel (crawler) type;

(5) Walking speed: 3m/min;

(6) Hydraulic system pressure: 16MPa;

(7) Auxiliary hoist capacity: 500kg

(8) Equipment installed capacity: 15Kw (excluding the hydraulic system power of the supporting drilling rig);

(9) System power: 380V;

(10) Traveling track (track type): 43kg;

(11) Passage space in the abdomen of the frame (width × height): 6.2 × 4.2m;

(12) Outline dimensions (length x width x height) of the basic type (two-lane tunnel): 11 x 11 x 8.2m.

The working principle of the work vehicle is: multiple drilling rigs are used to operate simultaneously on different workbenches, and the lifting function and lateral movement function of the work vehicle are used to meet the drilling operation of the full section of the tunnel. The equipment has a self-propelled function (track, wheel or crawler can be configured), pre-reinforcement auxiliary equipment and materials can be configured, and the installation of pre-reinforcement parts and grouting and plugging of the grouting system can be completed simultaneously to achieve Efficient pre-reinforcement work.

The basic operation and use requirements of the work truck are: first, clean the excavation face, determine the design (construction process requirements) operating height of the trolley, start the trolley system, and carry out the fixed operation in place (including the positioning of the hydraulic support mechanism. , The lower working platform should be located at the bottom), about 1 meter away from the working surface. Then according to the drilling operation division, 4 drilling rigs are used to drill the pre-reinforcement holes in each area. Among them, the 3 drilling rigs on the lower platform should be arranged and operated according to the actual situation and considering the convenience of comprehensive construction to achieve balanced construction. Ensure that the workbench is transposed and lifted at the same time. After completing the drilling of 3 to 5 holes, the installation of the pre-reinforcement parts and the grouting and plugging operations of the grouting system can be performed simultaneously to realize efficient pre-reinforcement operations. During the lifting process of the workbench, it should be ensured that the distance between the two workbenches is not less than 2 meters (the product is designed with a protection device), and the rock drilling rig must be coordinated when lifting a single machine (including the drilling rig on both sides and the top drilling rig to complete the high position. The hole is drilled).

After completing a cycle operation, when the trolley needs to exit the working face, it moves by way of track (or crawler). When operating the mobile, the following precautions should be strictly observed:

(1) Firstly, the lower platform should be lowered to the bottom and locked, and the upper working platform should also be lowered to the bottom and fixed;

(2) Restart the driving mechanism of the travel motor reducer to make it walk slowly, and retreat to a fixed parking place about 20-30 meters away from the face;

(3) After being parked in place, the lower working platform should be lifted to the upper part of the column at this time to ensure that the height of the passage space inside the belly of the trolley mast reaches 4.2 meters, and then use the locking mechanism to lock and fix it;

(4) Pay attention that there should be no personnel and objects exceeding the specified height in the middle of the upper and lower platforms to ensure the safety of people, equipment and property.

The main precautions for operation of the work vehicle are as follows:

(1) During the lifting process of the workbench, the clear space between the two workbenches should be guaranteed to be not less than 1.8 meters (designed with protective devices);

(2) Pay attention that there should be no personnel and objects exceeding the specified height in the middle of the upper and lower platforms to ensure the safety of personal and equipment property;

(3) When the work vehicle is parked, the lower working platform should be lifted to the upper part to ensure that the maximum height inside the belly of the trolley mast reaches 4.2 meters, and then locked.

The tunnel construction operation vehicle provided by the present invention has a structural feature that the front door frame and the rear door frame of the operation vehicle adopt different structural designs, and are also connected by main beams of different structural designs, so that the internal expansion of the main lifting platform and the lifting stroke be guaranteed. The overall structure of the work vehicle is reasonable, stable and reliable, and has a strong bearing capacity, which is suitable for installation, adjustment and operation in the tunnel. The two lifting working platforms of the work vehicle also adopt different lifting methods. Among them, the main lifting platform is a continuous integral platform with an independent lifting mechanism, which realizes the lifting of the working platform and the lateral movement of the drilling rig, and solves the problem of the fixed structure of the traditional working platform. The vehicle needs, the blind area where the clearance part in the mast cannot be operated) the construction is limited, and the drilling requirement of the full section without blind area is realized. In addition, according to the curve change of the tunnel side wall section, the outer width platen of the main lifting platform is designed with a telescopic or folding part, so as to adapt to the width change of the tunnel section and the walking movement of the trolley. In actual operation, the operation rules should be followed. , unified and coordinated operations. Furthermore, in addition to installing multiple drilling rigs, the lifting workbench can also carry multiple sets of grouting equipment and auxiliary parts and other materials, and can easily complete the installation and injection of reinforcements necessary for pre-reinforcement construction. Slurry and other operations. In terms of design, optimized integration technology is adopted to meet the requirements of scientific structure, practicality, convenient production and reasonable cost.

Generally speaking, the tunnel construction operation vehicle of the present invention has the following technical characteristics: (1) The large-span lifting wheel frame mechanism meets the structural requirements of the frame-type wide lifting platform and the requirements for improving the carrying capacity; (2) The main body of the trolley The special design and connection combination of different structures of the mast ensure the expansion space of the working platform; (3) The unique lifting device is used to improve the large-scale lifting stroke of the working platform, which can effectively ensure the working range of the full-height stroke; ( 4) It adopts full hydraulic lifting system, which has large lifting capacity and more convenient operation. The upper platform structure is in the form of oil cylinder jacking, which is simple and easy.

Those skilled in the art will appreciate that the embodiments described here are to help readers understand the principles of the present invention, and it should be understood that the protection scope of the present invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations based on the technical revelations disclosed in the present invention without departing from the essence of the present invention, and these modifications and combinations are still within the protection scope of the present invention.

Claims (7)

1. a kind of constructing tunnel Operation Van, it is characterised in that: including trolley rack (1), top hoistable platform (3), roof panel lifting System (5), travel driving system (6), main control system (7) and several bench drill machines (8)；

It is also flat with jacking drop that the roof panel jacking system (5) is installed on the roof panel jacking system (5) on trolley rack (1) Platform (3) is connected to drive top hoistable platform (3) to move up and down；

Guide rail is provided on the top hoistable platform (3), the drilling machine (8) is slidably connected with guide rail；

The travel driving system (6) is installed on trolley rack (1) bottom to drive Operation Van's movement, the main control system (7) control Operation Van lifting executes.

2. constructing tunnel Operation Van according to claim 1, it is characterised in that: the roof panel jacking system (5) includes Several groups are set to trolley rack (1) and push up the top lifting assembly between hoistable platform (3), and the top lifting assembly includes guiding Column fixing pipe (501), jacking guide post (502) and jacking cylinder (504), the guide post fixing pipe (501) are set to platform On vehicle device frame (1), the jacking cylinder (504) is set in guide post fixing pipe (501), and jacking guide post (502) is set to At the top of jacking cylinder (504) and its end is fixedly connected with top hoistable platform (3).

3. constructing tunnel Operation Van according to claim 1, it is characterised in that: the top hoistable platform (3) is by cross-arm (301), roof panel attachment beam (302), diagonal brace (303), intermediate I-steel (304), lateral connection channel steel (305), longitudinal I-shaped The tower structure that steel (306), perpendicular attachment beam (307), backing plate (308), stiffener plate (309), cantilever beam (310) are constituted.

4. constructing tunnel Operation Van according to claim 1, it is characterised in that: the trolley rack (1) includes front door frame (101), rear door frame (102), and it is respectively arranged at the upper longitudinal beam (106) of top two sides between front door frame (101) and back frame With the lower stringer (103) of two sides of the bottom, transversely it is respectively equipped with several top bracings with longitudinal and connects between the upper longitudinal beam (106) Crossbeam (108) and top bracing longitudinal beam connected (107) are connect, a plurality of uprights are equipped between upper longitudinal beam (106) and lower stringer (103) One, column is equipped between the adjacent columns one and between front door frame (101), rear door frame (102) and neighbouring column one Attachment beam.

5. constructing tunnel Operation Van according to claim 5, it is characterised in that: the front door frame (101) includes door type Frame one, the door type frame one are made of column two (1011) and preceding main beam, and the preceding main beam by setting from top to bottom The connecting cross beam one (1012) and web beam one (1013) set are constituted, and the front end face of the preceding main beam is additionally provided with end connection Beam (109).

6. constructing tunnel Operation Van according to claim 5, it is characterised in that: door frame (102) includes door type after described Frame two, the door type frame two are made of column three (1026) and rear main beam, rear main beam and column three (1026) it Between be also symmetrically arranged with two big diagonal brace (1021), be equipped with horizontal brace (1022) between big diagonal brace (1021), big diagonal brace (1021) Be additionally provided with auxiliary support (1023) in the left/right of door type frame between angle, it is described after main beam by the company that is arranged from top to bottom It connects crossbeam two (1025) and web beam two (1024) is constituted.

7. -6 any constructing tunnel Operation Van according to claim 1, it is characterised in that: top hoistable platform (3) Edge is equipped with protective fence (205), offers protective fence door on protective fence.