CN216915850U

CN216915850U - Flat car for underground rail transportation of TBM large-scale components

Info

Publication number: CN216915850U
Application number: CN202220492561.8U
Authority: CN
Inventors: 宫云鹏; 田明明; 褚洪亮; 卢忠凯; 魏厚庭; 高翔; 刘得友
Original assignee: China Coal Tunnel Engineering Co ltd
Current assignee: China Coal Tunnel Engineering Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-08
Anticipated expiration: 2032-03-07

Abstract

The utility model discloses a flat car for underground rail transportation of TBM (tunnel boring machine) large-scale components, which comprises a car body, wherein the car body is provided with a table top, a box girder structure is fixed on the lower end surface of the table top, at least two pieces of H-shaped steel are fixed between the front end and the rear end of the box girder structure in parallel, channel steels are oppositely arranged on the left side and the right side of the box girder structure, a plurality of rib plates are welded and fixed between the H-shaped steel and the channel steels, and two bogies are respectively attached and fixed on the lower end surface of the table top along the front central line and the rear central line; the front end and the rear end of the vehicle body are respectively provided with a traction connecting part, one end of the vehicle body is provided with a single-side double-wheel hand braking system on two sides of the traction connecting parts, the vehicle body is large in bearing capacity, compact in structure matching, less in transmission and low in failure rate through the arrangement of the box girder structure, the vehicle body freely moves on an underground track and stops, and the technical problem that in the prior art, large TBM parts cannot be integrally transported underground by means of the track can be effectively solved.

Description

Flat car for underground rail transportation of TBM large-scale components

Technical Field

The utility model belongs to the technical field of auxiliary equipment of a full-face tunnel boring machine, and particularly relates to a flat car for underground rail transportation of TBM large-scale components.

Background

The TBM is a full-face tunnel boring machine, is used for performing parallel continuous operation of construction procedures such as boring, supporting, deslagging and the like, is factory assembly line tunnel construction equipment integrating systems such as machine, electricity, liquid, light, gas and the like, has the advantages of high boring speed, environmental friendliness, high comprehensive benefit and the like, can realize the construction of a long tunnel deeply buried in complex geographic landforms, which is difficult to realize by a traditional drilling and blasting method, is rapidly increased in tunnel engineering such as China railway, hydropower, traffic, mine, municipal engineering and the like, is usually compactly linked up in construction period, improves the operation progress of the TBM field transition efficiency in each construction period undoubtedly, and has great influence on the engineering operation cost.

The TBM shield tunneling machine has the dead weight of about 700T and the total length of 90m, and comprises a cutter head, a main drive, a main beam, a saddle, a frame, a rear matching system and the like, and the size and the weight of a single part of a main machine part are very large. The cutter head, the main beam, the frame and other components need to be dismantled and transported in blocks under the restriction of convergence of underground roadways of the coal mine, transportation conditions and the like. Among them, the heaviest assemblies are the main drive and bottom shield assemblies, the total weight is 86T, the size is about 4000 mm wide, 2067 mm deep, 5220mm high, and the transportation is very difficult. Therefore, the flat car for underground rail transportation of large TBM parts is designed.

Disclosure of Invention

The utility model aims to provide a flat car for underground rail transportation of large TBM parts, which solves the technical problem that the large TBM parts in the prior art can not be transported integrally underground by means of rails.

In order to achieve the purpose, the specific technical scheme of the flat car for underground rail-bound transportation of the large TBM part comprises the following steps:

a flat car for underground rail transportation of TBM large-scale components comprises a car body, wherein the car body is provided with a table top, a box girder structure is fixed on the lower end face of the table top, at least two pieces of H-shaped steel are fixed between the front end and the rear end of the box girder structure in parallel, channel steel is oppositely arranged on the left side and the right side of the box girder structure, a plurality of rib plates are welded and fixed between the H-shaped steel and the channel steel, and two bogies are respectively fixed on the lower end face of the table top along the front-rear central line in a laminating manner; the front end and the rear end of the vehicle body are respectively provided with a traction connecting part, one end of the vehicle body is provided with a single-side double-wheel hand braking system on two sides of the traction connecting parts, the vehicle body is large in bearing capacity, compact in structure matching, less in transmission and low in failure rate through the arrangement of the box girder structure, the vehicle body freely moves on an underground track and stops, and the technical problem that in the prior art, large TBM parts cannot be integrally transported underground by means of the track can be effectively solved.

Furthermore, the bogie comprises a driving wheel pair, a framework and an axle box, a sinking structure is arranged in the middle of the upper end face of the framework, the sinking distance is not less than 30mm, the overall height of the vehicle body can be reduced, and when large parts are prevented from being shipped as much as possible, objects on the vehicle body collide with the top of a roadway under the well, so that the vehicle body can bear higher objects.

Furthermore, the width of the wheel pair of the driving wheel pair is 1530mm, the width of the vehicle body is not more than 2065mm, and the vehicle body can be matched with a track with the track gauge of 1600mm, so that the vehicle body is prevented from being too wide and colliding with the side wall of an underground roadway.

Furthermore, the mesa is the low alloy high strength construction steel sheet of leveling integral type, and mesa thickness is not less than 10mm, and the mesa is level and smooth, and the bearing capacity is good for when bearing big article, easily big article move on the mesa, the loading of being convenient for.

Furthermore, the H-shaped steel is middle-flange H-shaped steel, the model is 340 multiplied by 250, and the H-shaped steel is enough for bearing 90T equipment and meets the design requirement.

Furthermore, a reinforcing support plate is welded between the upper flange and the lower flange of the H-shaped steel in a matched mode, the thickness of the reinforcing support plate is not smaller than 20mm, and the bearing capacity of the H-shaped steel is further enhanced.

Furthermore, the waist thickness of the channel steel is not less than 9mm, the channel steel is enough for bearing 90T equipment, and the design requirement is met

Furthermore, the traction connecting part is provided with a butt joint hole for connecting different vehicle bodies and facilitating rope threading and traction of the vehicle bodies.

Compared with the prior art, the utility model has the following beneficial effects:

1. through the setting of case roof beam structure, bearing capacity is big, the structure cooperation is compact, case roof beam structure does not have the transmission cooperation for overall structure, therefore mechanical fault rate is low, through bogie and unilateral double round hand braking system's setting, the unilateral double round hand braking system that just reverses as required, whether the braking of nimble control car body, cooperation bogie makes the car body go upward to stop freely on track in the pit, can effectively solve the technical problem that prior art TBM large-scale part can't wholly rely on the track to accomplish the transportation in the pit.

2. The middle part of the upper end face of the framework is provided with the sinking structure, the sinking distance is not less than 30mm, the overall height of the vehicle body can be reduced, and when large parts are prevented from being shipped as far as possible, objects on the vehicle body collide with the top of a roadway under the well, so that the vehicle body can bear higher objects.

3. The width of the wheel pair through setting up the driving wheel pair is 1530mm, and the width of the car body is not more than 2065mm, and the car body of the car body is avoided too wide to produce collision with the side wall of the underground roadway while the track with 1600 gauge can be adapted.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is a schematic view A-A of FIG. 2;

FIG. 4 is a schematic view of B-B in FIG. 2;

fig. 5 is a top view of the inventive truck.

The reference numbers in the figures illustrate: 1. the vehicle comprises a vehicle body, 2 parts of a table top, 3 parts of a box girder structure, 31 parts of H-shaped steel, 311 parts of a reinforcing support plate, 32 parts of channel steel, 33 parts of a rib plate, 4 parts of a bogie, 41 parts of a driving wheel pair, 42 parts of a framework, 421 parts of a sinking structure, 43 parts of an axle box, 5 parts of a traction connecting part, 51 parts of a butt joint hole and 6 parts of a single-side double-wheel hand braking system.

The specific implementation mode is as follows:

for a better understanding of the objects, structure and function of the utility model, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

As shown in fig. 1 to 5, a flat car for underground rail transportation of TBM large-scale components is designed, which includes a car body 1, the car body 1 is provided with a table top 2, a box girder structure 3 is fixed on the lower end face of the table top 2, at least two H-shaped steels 31 are fixed in parallel between the front end and the rear end of the box girder structure 3, channel steels 32 are oppositely arranged on the left side and the right side of the box girder structure 3, a plurality of rib plates 33 are welded and fixed between the H-shaped steels 31 and the channel steels 32, and two bogies 4 are respectively attached and fixed on the lower end face of the table top 2 along the front-rear central line; the front end and the rear end of the vehicle body 1 are respectively provided with a traction connecting part 5, one end of the vehicle body 1 is provided with a single-side double-wheel hand braking system 6 on two sides of the traction connecting part 5, the vehicle body is large in bearing capacity and compact in structure matching through the arrangement of the box girder structure 3, the box girder structure 3 is of an integral structure and does not have transmission matching, so that the mechanical failure rate is low, the vehicle body 1 can flexibly control whether to brake the vehicle body 1 or not through the arrangement of the bogie 4 and the single-side double-wheel hand braking system 6 according to the requirement, the bogie 4 is matched to enable the vehicle body 1 to freely stop on a track in the underground, and the technical problem that in the prior art, large TBM parts cannot be integrally transported underground through the track can be effectively solved.

During the use, place the heavy object on mesa 2 as required, loosen unilateral double round hand braking system 6, exert tractive force in traction connecting portion 5 department, can make car body 1 move ahead on track in the pit, bogie 4 can make car body 1 when turning to on the track, according to orbital orbit transition, and is steady smooth, when needing the car body to stop, only needs tighten up unilateral double round hand braking system 6, car body 1 can stop to remove on the track. In the above embodiment, 2 examples are listed to achieve the above technical solution:

example 1

In the embodiment, the bogie 4 comprises a driving wheel pair 41, a framework 42 and an axle box 43, a sinking structure 421 is arranged in the middle of the upper end face of the framework, the sinking structure 421 is a streamline depression, the sinking distance is 30mm, the sinking structure 421 can reduce the overall height of the vehicle body 1, and when large parts are shipped and transported, objects on the vehicle body 1 collide with the top of a roadway under the shaft to enable the vehicle body 1 to bear higher objects; the width of the driving wheel pair 41 is 1530mm, in order to meet the requirements of transportation in a limited space of a coal mine underground roadway and avoid collision interference between a flat car and the roadway, the whole width of the bogie 4 needs to be shortened, the whole width of the axle box 43 of the bogie 4 and the driving wheel pair 41 is set to be not more than 2065mm, the preferable width is 2065mm, specifically, the section widths of the axle box 43 and the framework 42 are optimized and reduced, and high-carbon steel is adopted to meet the bearing requirement; the table top 2 is a flat integrated low-alloy high-strength structural steel plate, the preferable steel is Q295, the thickness of the table top 2 is not less than 10mm, the preferable thickness is 10mm, the table top 2 is flat, the bearing capacity is good, when the table top is used for bearing large objects, the large objects can easily move on the table top 2, and loading is facilitated; the H-shaped steel 31 is middle flange H-shaped steel, the model is 340 multiplied by 250, and the H-shaped steel is enough for bearing 90T equipment and meets the design requirement; the waist thickness of the channel steel 32 is not less than 9mm, and the preferred thickness is 9mm, so that the channel steel can bear 90T equipment, and the design requirement is met; the traction connecting part 5 is provided with a traction hook for connecting different vehicle bodies 1.

Example 2

In the embodiment, the bogie 4 comprises a driving wheel pair 41, a framework 42 and an axle box 43, a sinking structure 421 is arranged in the middle of the upper end surface of the framework, the sinking structure 421 is an inverted trapezoidal sinking structure, the sinking distance is 40mm, the sinking structure 421 can reduce the overall height of the vehicle body 1, and when large parts are shipped and transported, articles on the vehicle body 1 collide with the top of a roadway under the shaft to enable the vehicle body 1 to bear higher articles; the width of the driving wheel pair 41 is 1530mm, in order to meet the requirements of transportation in a limited space of a coal mine underground roadway and avoid collision interference between a flat car and the roadway, the whole width of the bogie 4 needs to be shortened, the whole width of the axle box 43 of the bogie 4 and the driving wheel pair 41 is set to be not more than 2065mm, the preferable width is 2061mm, the section widths of the axle box 43 and the framework 42 are optimized and reduced, and high-carbon steel is adopted to meet the bearing requirement; the table top 2 is a flat integrated low-alloy high-strength structural steel plate, the preferable steel is Q420, the thickness of the table top 2 is preferably 12mm, the table top 2 is flat, the bearing capacity is good, when the table top is used for bearing large objects, the large objects can easily move on the table top 2, and loading is facilitated; the H-shaped steel 31 is middle flange H-shaped steel, the model is 340 multiplied by 250, and the H-shaped steel is enough for bearing 90T equipment and meets the design requirement; a reinforcing support plate 311 is welded between the upper flange and the lower flange of the H-shaped steel 31 in a matched mode, the thickness of the reinforcing support plate 311 is not smaller than 20mm, the preferable thickness is 20mm, the bearing capacity of the H-shaped steel 31 is further enhanced, the waist thickness of the channel steel 32 is not smaller than 9mm, the preferable thickness is 12mm, the equipment can bear 90T, and the design requirement is met; the traction connecting part 5 is provided with a butt joint hole 51 for connecting different vehicle bodies 1 and facilitating rope threading and traction of the vehicle bodies 1.

It is to be understood that the present invention has been described with reference to certain embodiments and that various changes in form and details may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a flatbed that is used for big part of TBM to have rail transportation in pit, includes car body (1), its characterized in that: the trolley body (1) is provided with a table top (2), a box girder structure (3) is fixed on the lower end face of the table top (2), at least two H-shaped steels (31) are fixed between the front end and the rear end of the box girder structure (3) in parallel, channel steels (32) are oppositely arranged on the left side and the right side of the box girder structure (3), a plurality of rib plates (33) are welded and fixed between the H-shaped steels (31) and the channel steels (32), and two steering frames (4) are respectively attached and fixed on the lower end face of the table top (2) along the front-rear central line; the front end and the rear end of the vehicle body (1) are respectively provided with a traction connecting part (5), and one end of the vehicle body (1) is provided with a single-side double-wheel hand braking system (6) on two sides of the traction connecting part (5).

2. Flatbed for the downhole rail-bound transportation of large components of TBM according to claim 1, characterized in that the bogie (4) comprises driving wheel pairs (41), a frame (42) and axle boxes (43), and the middle of the upper end surface of the frame is provided with a sinking structure (421) with a sinking distance not less than 30 mm.

3. Flatbed for downhole rail guided transportation of large TBM components according to claim 2, characterised in that the drive wheel set (41) has a wheel set width of 1530mm and the vehicle body (1) has a width of not more than 2065 mm.

4. The flat car for the underground rail transportation of large TBM parts according to claim 1, wherein the platform (2) is a flat integral low-alloy high-strength structural steel plate, and the thickness of the platform (2) is not less than 10 mm.

5. The flatbed for the downhole rail-bound transportation of large components of TBM according to claim 1, characterized in that the H-section steel (31) is a mid-flange H-section steel, type 340 x 250.

6. The platform trailer for underground rail transportation of large TBM parts according to claim 1, wherein a reinforcing support plate (311) is welded between the upper flange and the lower flange of the H-shaped steel (31), and the thickness of the reinforcing support plate (311) is not less than 20 mm.

7. A flat car for downhole rail-bound transportation of large components of TBM as claimed in claim 1 wherein said channel section (32) has a waist thickness of no less than 9 mm.

8. Flatbed for the downhole rail-bound transportation of large components of TBM according to claim 1, characterized in that the traction connection (5) is provided with a docking hole (51).