CN217946689U

CN217946689U - Vertical transportation device for vertical concrete in vertical shaft

Info

Publication number: CN217946689U
Application number: CN202221354360.8U
Authority: CN
Inventors: 李久源; 李晓兵; 程彦强; 马永涛; 王斌; 宋建军; 张卫立; 曹新平; 张金祥; 黄胜; 祁正荣; 姚文昌; 张燕杰
Original assignee: Sinohydro Bureau 14 Co Ltd
Current assignee: Sinohydro Bureau 14 Co Ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-12-02
Anticipated expiration: 2032-06-01

Abstract

The utility model discloses a vertical shaft concrete transportation device, which comprises a hoisting mechanism, a stirring receiving mechanism, a chute transfer mechanism and an underground transfer mechanism; the hoisting mechanism comprises a derrick, the top of the derrick is provided with a head sheave suspension, one side of the derrick is provided with a double-roller stable vehicle, and the other side of the derrick is provided with a stirring receiving mechanism; the stirring receiving mechanism comprises a stirrer and a switching receiving hopper; the chute transfer mechanism comprises an inclined chute, an ash chute pipe, a buffer and a transfer chute. The vertical concrete conveying device for the vertical shaft is used for mixing concrete through a mixer, conveying the mixed concrete to an ash chute pipe hoisted in the vertical shaft through a transfer receiving hopper and an inclined chute, and conveying the mixed concrete to a buffer through the ash chute pipe for vertical concrete conveying; this vertical shaft concrete conveyer is through the swift current ash pipe of hoist and mount in the shaft as concrete transportation passageway, has reduced concrete transportation cost and traffic safety risk outside the hole, has improved concrete conveying efficiency simultaneously, has saved a large amount of time limit for a project construction for underground tunnel engineering.

Description

Vertical transportation device for vertical concrete in vertical shaft

Technical Field

The utility model relates to an underground tunnel engineering construction technical field, in particular to vertical conveyer of shaft concrete.

Background

In underground tunnel engineering work progress in the past, most of mix systems arrange outside the hole, adopt the concrete tank car to connect the material mode to transport to the main tunnel in, cost of transportation and traffic safety risk are higher. With the arrival of the age of developing underground space in the 21 st century, the underground tunnel engineering is rapidly developed in recent years, most of the engineering is buried deeply, the plug tunneling distance is long, and a deep vertical shaft is usually planned in sections in a main tunnel section during design and planning to serve as a ventilation shaft and a material transportation shaft. During the construction of the main tunnel, a large amount of concrete is vertically transported through the vertical shaft, so that how to fully and safely utilize the construction vertical shaft as a concrete transportation channel improves the defects of conventional tank car transportation, forms a set of mature vertical shaft concrete transportation scheme, reduces the transportation cost of concrete outside the tunnel, the traffic safety risk and the like, and the vertical concrete transportation method and the vertical concrete transportation device are the key of engineering construction and play a decisive role in the engineering progress; meanwhile, the research on the vertical transportation construction technology of the vertical shaft concrete enables the vertical shaft concrete to serve projects more safely and efficiently, enhances the technical capability of construction enterprises and promotes the technical progress of the industry, and is very urgent and necessary at present.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a vertical shaft concrete transportation device.

The utility model adopts the technical proposal that:

a vertical transportation device for vertical transportation of vertical shaft concrete comprises a hoisting mechanism, a stirring receiving mechanism, a chute transfer mechanism and an underground transfer mechanism; the hoisting mechanism comprises a derrick arranged at the wellhead of the vertical shaft, a head sheave is arranged at the top of the derrick for suspension, a double-roller stable vehicle is arranged on one side of the derrick, and a stirring and receiving mechanism is arranged on the other side of the derrick; the stirring receiving mechanism comprises a stirrer and a transfer receiving hopper which are arranged up and down, a discharge port at the bottom of the stirrer is inserted into the transfer receiving hopper from an opening at the top of the transfer receiving hopper, and the discharge port at the bottom of the transfer receiving hopper is connected with the underground transfer mechanism through a chute transfer mechanism; the chute transfer mechanism comprises an inclined chute, an ash chute, a buffer and a transfer chute, wherein one end of the inclined chute is positioned below a discharge port of the transfer receiving hopper, the other end of the inclined chute is positioned at a pipe orifice at the top of the ash chute, the ash chute is a hollow pipe body, the outer wall of the ash chute is hung in a shaft through a steel wire rope which is hung around a head sheave and connected with a double-drum steady vehicle, the pipe orifice at the bottom of the ash chute is connected with a feed pipe of the buffer, the buffer is arranged on a protective transfer platform at the bottom of the shaft, the discharge port at the bottom of the buffer is connected with the transfer mechanism underground through the transfer chute, one end of the transfer chute is positioned below the discharge port of the buffer, and the other end of the transfer chute is positioned above the transfer mechanism underground; the underground transfer mechanism is a concrete tank truck or a rail transportation horizontal tank.

Furthermore, the ash sliding pipe is formed by splicing a plurality of sections, and each section of ash sliding pipe is connected by a high-pressure flange to form an integral ash sliding pipe.

Further, the ash sliding pipe is connected with a steel wire rope through a steel wire rope clamping device.

Furthermore, a quick repairing device for the ash sliding pipe is also arranged on the lower section of the ash sliding pipe.

Furthermore, the switching receiving hopper comprises a receiving hopper body and a hopper mounting frame, the receiving hopper body is fixedly mounted at the top of the hopper mounting frame, the hopper mounting frame is fixedly connected by a vertical column and a cross beam to form a frame structure, four corners of the bottom of the hopper mounting frame are provided with walking wheels, and the walking wheels are positioned by anti-skid cushion blocks; the inclined chute is fixedly installed on the hopper installation frame.

Further, the buffer is rectangle cavity casing, and casing upper end and being close casing edge are equipped with rather than the inlet pipe and the exhaust hole of inside intercommunication, and the casing bottom is connected with the discharging pipe through the antifriction plate that excels in that has the slope, and the higher one side of antifriction plate that excels in is located the casing edge, and lower side direction discharging pipe direction extends, and the discharging pipe is located the inlet pipe opposite side, the lifting hook that is equipped with on the casing outer wall.

Furthermore, a hand-push type control switch with an insertion plate structure is arranged on the discharge pipe.

Further, the upper end of the shell of the buffer is also provided with an access window, and the access window is provided with a double-open door plate for opening or closing the access window.

Furthermore, short section steel supporting legs are installed at the bottom of the shell of the buffer, and channel steel reinforcing ribs are arranged on the outer wall of the shell in a surrounding mode.

The utility model has the advantages that:

the vertical concrete transportation device for the vertical shaft is used for mixing concrete through a mixer, then conveying the mixed concrete to an ash sliding pipe hoisted in the vertical shaft through a transfer receiving hopper and an inclined chute, then conveying the mixed concrete to a buffer through the ash sliding pipe for vertical concrete transportation, and finally conveying the concrete in the buffer to an underground concrete tanker or a rail transportation horizontal tank through the transfer chute for horizontal underground transportation; this vertical conveyer of shaft concrete is as concrete transportation channel through the swift current ash pipe of hoist and mount in the shaft, has reduced outer concrete transportation cost of tunnel and traffic safety risk, has improved concrete conveying efficiency simultaneously, saves a large amount of time limit for the construction of underground tunnel engineering.

This perpendicular conveyer of shaft concrete has effectively solved a great deal of difficult problem of perpendicular transport system of concrete, includes: the fixing of the ash chute pipe and the steel wire rope is easy to fall, the safety protection and secondary transportation problems of the vertical transportation concrete well bottom of the ultra-deep shaft, the problems of multiple repairing and replacing lifting frequencies of the ash chute pipe, large difficulty and high danger coefficient, the rapid conversion of vertical transportation and tank car material receiving and the like are solved, and the whole device is simple, flexible, safe, reliable, durable, has better safety and economic benefits and is easy to popularize and apply.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic overall layout diagram of the present invention;

FIG. 2 is a schematic structural view of the blender and the transfer receiving hopper of the present invention;

fig. 3 and 4 are schematic structural views of the buffer of the present invention;

fig. 5 and 6 are schematic views of the installation position and mechanism of the steel wire rope clamping device of the present invention;

fig. 7 and 8 are schematic structural views of the quick repairing device for an ash chute of the present invention;

in the drawings of fig. 1-8, 1-vertical shaft, 2-derrick, 3-head sheave suspension, 4-double-roller stable vehicle, 5-stirring machine, 6-transfer receiving hopper, 7-inclined chute, 8-ash chute, 9-buffer, 10-transfer chute, 11-steel wire rope, 12-feeding pipe, 13-protective transfer platform, 14-underground transfer mechanism, 15-steel wire rope clamping device, 16-ash chute quick repairing device, 17-receiving hopper body, 18-hopper mounting rack, 19-travelling wheel, 20-anti-skid cushion block, 21-shell, 22-exhaust hole, 23-high-strength wear-resisting plate, 24-discharging pipe, 25-lifting hook, 26-hand-push control switch, 27-double-open door panel, 28-channel steel reinforcing edge and 29-short steel supporting leg.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment discloses a vertical transportation device for shaft concrete, which comprises a hoisting mechanism, a stirring receiving mechanism, a chute transferring mechanism and an underground transferring mechanism 14.

Specifically, as shown in fig. 1, the hoisting mechanism comprises a derrick 2 arranged at the wellhead of the shaft 1, the derrick 2 is constructed by steel pipes or section steel, a head sheave suspension 3 is arranged at the top of the derrick 2, a 2JZ-16/1000 type double-roller stable vehicle 4 is arranged on one side of the derrick 2, and a stirring and receiving mechanism is arranged on the other side of the derrick 2. The head sheave suspension 3 and the 2JZ-16/1000 type double-roller stable vehicle 4 of the hoisting mechanism are commercially available product equipment, and can be directly installed or used after being purchased.

As shown in fig. 2, the stirring receiving mechanism comprises a stirrer 5 and a transfer receiving hopper 6 which are arranged up and down through a mounting frame; the discharge port at the bottom of the stirrer 5 is inserted into the transfer receiving hopper 6 through the top opening of the transfer receiving hopper 6, and the discharge port at the bottom of the transfer receiving hopper 6 is connected with the underground transfer mechanism 14 through the chute transfer mechanism. The transfer receiving hopper 6 is composed of a receiving hopper body 17 and a hopper mounting frame 18, the receiving hopper body 17 is made into a funnel shape by adopting a 6mm thick steel plate, the top opening of the receiving hopper is 0.6 multiplied by 0.6m, the discharge hole of the receiving hopper is 0.4 multiplied by 0.4m, and the receiving hopper body 17 is fixedly mounted at the top of the hopper mounting frame 18; hopper mounting bracket 18 constitutes frame construction by stand and crossbeam welding, and stand and crossbeam all adopt the I-steel, and walking wheel 19 is installed to the bottom four corners department of hopper mounting bracket 18, can promote hopper body 17 through hopper mounting bracket 18, and the walking wheel 19 is fixed a position through anti-skid pad 20 after removing hopper body 17 and reacing the appointed position, and anti-skid pad 20 can adopt the wedge flitch. Wherein, the stirring machine 5 and the walking wheel 19 of the stirring receiving mechanism are commercially available product equipment, and can be directly installed after purchase.

As shown in fig. 1, the chute transfer mechanism includes a chute 7, an ash chute 8, a buffer 9, and a transfer chute 10; the inclined chute 7 is formed by welding steel plates, the width of the chute bottom is 0.3m, the height of inclined baffles on two sides is 0.5m, the inclined chute 7 is fixedly installed on the hopper installation frame 18, one end of the inclined chute 7 is positioned below the discharge port of the transfer receiving hopper 6, and the other end of the inclined chute 7 is positioned at the pipe orifice at the top of the ash chute 8; the ash sliding pipe 8 is a hollow pipe body, and because the depth of the vertical shaft 1 is larger in the embodiment, the ash sliding pipe 8 is formed by splicing a plurality of sections of DN219 manganese steel pipes with the diameter of 8mm, and each section of manganese steel pipe is connected by adopting a high-pressure flange to form the integral ash sliding pipe 8; as shown in fig. 5-6, the ash chute 8 is connected with two steel wire ropes 11 with diameter phi of 31mm through a steel wire rope clamping device 15, the outer wall of the ash chute 8 is hoisted in the vertical shaft 1 through the steel wire rope 11 which bypasses the head sheave suspension 3 and is connected with the double-roller stable vehicle 4, and a pipe orifice at the bottom of the ash chute 8 is connected with a feeding pipe 12 of a buffer 9; one end of the transfer chute 10 is positioned below the discharge port of the buffer 9, and the other end is positioned above the underground transfer mechanism 14. The steel wire rope clamping device 15 of the chute transfer mechanism is an existing device, and the specific structure, installation and use process of the steel wire rope clamping device are disclosed in a patent document of a deep vertical shaft ash chute fixing device with the patent application number of CN 201921806633.6.

As shown in fig. 3-4, the buffer 9 is a rectangular hollow casing 21 made of 14mm steel plate, a feeding pipe 12 and an exhaust hole 22 which are communicated with the inside of the casing 21 are arranged at the upper end of the casing 21 and close to the edge of the casing 21, the bottom of the casing 21 is connected with a discharging pipe 24 through a high-strength wear-resisting plate 23 with a slope, the higher side of the high-strength wear-resisting plate 23 is positioned at the edge of the casing 21, the lower side of the high-strength wear-resisting plate 23 extends towards the direction of the discharging pipe 24, and the sliding surface of the high-strength wear-resisting plate has a buffering and wear-resisting effect; the discharging pipe 24 is positioned at the opposite side of the feeding pipe 12, and a hand-push type control switch 26 with a plate inserting structure is also arranged on the discharging pipe 24; the bottom of a shell 21 of the buffer 9 is provided with an HW150 short steel supporting leg 29, the buffer 9 is arranged on a protection material transferring platform 13 at the bottom of the vertical shaft 1 through the HW150 short steel supporting leg 29, the protection material transferring platform 13 is in supporting welding with an erected steel arch frame by adopting I-steel, and the top of the I-steel is paved with a layer of 6mm thick steel plate to prevent slag from falling from the top of the vertical shaft 1 in the concrete conveying process; a discharge port at the bottom of the buffer 9 is communicated with the transfer chute 10 and is connected with the underground transfer mechanism 14; because the ash sliding pipe 8 has large dead weight, the safety of the material transferring platform 13 is considered, the outer wall of the shell 21 of the buffer 9 is provided with the lifting hook 25, the lifting hook 25 is convenient for hoisting the buffer 9, four groups of phi 22 mortar anchor rods are arranged on the wall of the shaft 1, the length of each anchor rod is 3m, the depth of each anchor rod inserted into the rock wall is 2.8m, each anchor rod is exposed by 20cm and processed into a hook, the exposed hook of each anchor rod and a lifting lug are connected and fixed through a steel wire rope, the diameter of each steel wire rope is 18mm, and the buffer 9 is integrally tensioned to fix the buffer 9. In order to further increase the strength of the shell 21 of the buffer 9, channel steel reinforcing ribs 28 are arranged on the outer wall of the shell 21 in a surrounding mode; meanwhile, in consideration of the problem of maintenance of the buffer 9 after a day, the upper end of the shell 21 of the buffer 9 is also provided with an access window, and the access window is provided with a double-open door panel 27 for opening or closing the access window.

As shown in fig. 1, the downhole transfer mechanism 14 is a concrete tanker or a rail transport horizontal tank.

The concrete transportation flow carried out by the vertical transportation device for the vertical shaft concrete is as follows: firstly, the concrete stirred by the stirrer 5 enters a receiving hopper, and a discharge hole at the bottom of the receiving hopper 6 is conveyed to a pipe orifice at the top of an ash chute 8 through an inclined chute 7; the concrete is conveyed in the vertical direction in the vertical shaft 1 through an ash chute 8, and the concrete is conveyed into a hollow shell 21 of a buffer 9 for temporary storage through the ash chute 8; the buffer 9 is provided with the exhaust holes 22, so that the entering and the discharging of concrete can be ensured; after the concrete tank truck or the rail transportation horizontal tank runs to the lower part of the transfer chute 10 in the main hole, the hand-push type control switch 26 on the discharge pipe 24 is opened on the protective transfer platform 13, so that the concrete temporarily stored in the buffer 9 is conveyed to the concrete tank truck or the rail transportation horizontal tank from the discharge hole of the buffer 9 through the transfer chute 10, and finally the concrete tank truck or the rail transportation horizontal tank is used for carrying out concrete transportation in the active mode.

The vertical shaft concrete transportation device adopts the head sheave suspension 3 and the 2JZ-16/1000 type double-roller to match with the steel wire rope 11 to hoist the ash chute 8, so that the position adjustment is convenient no matter the vertical shaft concrete transportation device is installed or after the vertical shaft concrete transportation device is installed; hoisting machine constructs, stirring receiving mechanism, chute transport mechanism and the equal reuse of underground transport mechanism 14 simultaneously, and is comparatively reliable in the aspect of the safety, and is also comparatively simple in the aspect of the operation, has reduced outer concrete cost of transportation and traffic safety risk of hole, has improved concrete secondary transfer efficiency, saves a large amount of time limit for underground tunnel engineering construction.

Furthermore, as the preferred technical scheme of the embodiment, because the lower part of the ash chute 8 bears impact and has large friction force and is easy to wear and penetrate, the DN219 manganese steel pipe with the wall thickness of 12mm is used for a certain length of the lower part of the ash chute 8, and meanwhile, the lower section of the ash chute 8 can be provided with the quick repairing device 16 of the ash chute; when the ash sliding pipe 8 is partially worn and penetrated, the perforated part can be tightly plugged and repaired by the quick ash sliding pipe repairing device 16, and the structure of the ash sliding pipe 8 is ensured to be safe and firm. The quick repairing device 16 for an ash chute is an existing device, and the specific structure, installation and use process thereof are disclosed in patent document CN202121311357.3, an ultra-deep shaft quick repairing device for an ash chute.

Claims

1. The utility model provides a vertical conveyer of shaft concrete which characterized in that: the vertical shaft concrete transportation device comprises a hoisting mechanism, a stirring and receiving mechanism, a chute transfer mechanism and an underground transfer mechanism; the hoisting mechanism comprises a derrick arranged at the wellhead of the vertical shaft, a head sheave is arranged at the top of the derrick for suspension, a double-roller stable vehicle is arranged on one side of the derrick, and a stirring and receiving mechanism is arranged on the other side of the derrick; the stirring receiving mechanism comprises a stirrer and a transferring receiving hopper which are arranged up and down, a discharge port at the bottom of the stirrer is inserted into the transferring receiving hopper from an opening at the top of the transferring receiving hopper, and the discharge port at the bottom of the transferring receiving hopper is connected with the underground transferring mechanism through a chute transferring mechanism; the chute transfer mechanism comprises an inclined chute, an ash chute, a buffer and a transfer chute, wherein one end of the inclined chute is positioned below a discharge port of the transfer receiving hopper, the other end of the inclined chute is positioned at a pipe orifice at the top of the ash chute, the ash chute is a hollow pipe body, the outer wall of the ash chute is hung in a shaft through a steel wire rope which is hung around a head sheave and connected with a double-drum steady vehicle, the pipe orifice at the bottom of the ash chute is connected with a feed pipe of the buffer, the buffer is arranged on a protective transfer platform at the bottom of the shaft, the discharge port at the bottom of the buffer is connected with the transfer mechanism underground through the transfer chute, one end of the transfer chute is positioned below the discharge port of the buffer, and the other end of the transfer chute is positioned above the transfer mechanism underground; the underground transfer mechanism is a concrete tank truck or a rail transportation horizontal tank.

2. A vertical shaft concrete conveyor as in claim 1 wherein: the ash sliding pipe is formed by splicing a plurality of sections, and each section of ash sliding pipe is connected by a high-pressure flange to form an integral ash sliding pipe.

3. A vertical shaft concrete conveyor as in claim 1, wherein: the ash chute pipe is connected with the steel wire rope through the steel wire rope clamping device.

4. A vertical shaft concrete conveyor as in claim 1 wherein: and a quick repairing device for the ash sliding pipe is also arranged on the lower section of the ash sliding pipe.

5. A vertical shaft concrete conveyor as in claim 1 wherein: the switching receiving hopper comprises a receiving hopper body and a hopper mounting frame, the receiving hopper body is fixedly mounted at the top of the hopper mounting frame, the hopper mounting frame is fixedly connected by a vertical column and a cross beam to form a frame structure, and walking wheels are mounted at four corners of the bottom of the hopper mounting frame and positioned by anti-skid cushion blocks; the inclined chute is fixedly installed on the hopper installation frame.

6. A vertical shaft concrete conveyor as in claim 1 wherein: the buffer is rectangle cavity casing, and casing upper end just is close casing edge and is equipped with inlet pipe and the exhaust hole rather than inside intercommunication, and the casing bottom is connected with the discharging pipe through the antifriction plate that excels in that has the slope, and the higher one side of antifriction plate that excels in is located the casing edge, and lower side is to the discharging pipe direction extension, and the discharging pipe is located the inlet pipe opposite side, the lifting hook that is equipped with on the casing outer wall.

7. A vertical shaft concrete conveyor as in claim 6 wherein: and a hand-push type control switch with an inserting plate structure is arranged on the discharging pipe.

8. A vertical shaft concrete conveyor as in claim 6 wherein: the upper end of the shell of the buffer is also provided with an access window, and the access window is provided with a double-open type door plate for opening or closing the access window.

9. A vertical shaft concrete conveyor as in claim 6 wherein: short section steel supporting legs are installed at the bottom of the shell of the buffer, and channel steel reinforcing ribs are arranged on the outer wall of the shell in a surrounding mode.