A special electric device and method suitable for subway track construction in tunnel

Abstract

This invention discloses a special electric equipment and method for subway track construction in tunnels, belonging to the field of transportation equipment technology. It includes: a locomotive head, a front frame, a connecting frame, a rear frame, wheels, a drive assembly, and a steering assembly. The locomotive head is connected to the front frame, and the front frame, the connecting frame, and the rear frame are sequentially hinged. The drive assembly is installed at the bottom of both the front and rear frames, and the steering assembly is installed at the bottom of the connecting frame. Multiple wheels are respectively installed at the bottom of the drive assembly and the steering assembly. This invention has a simple structure, is energy-saving and environmentally friendly, and can complete the functions of track panel transportation, concrete pouring, and track material transportation in confined spaces.

Description

Technical Field

[0001] The invention belongs to the technical field of transportation equipment, and in particular relates to a special electric equipment and method suitable for subway track construction in a tunnel. Background Art

[0002] Track construction requires the use of various construction equipment. The underground section machine-laid operations are limited by the size of large-scale transportation equipment and cannot be effectively utilized. It is necessary to use a small-sized, flexible-structured special construction equipment to meet the needs of on-site track loading and unloading, material and component transportation, and concrete pouring.

[0003] Existing special construction equipment is usually large in size, bulky, high in energy consumption, and not environmentally friendly. It is difficult to transport it to the construction site and cannot meet the requirements of operations in narrow spaces, resulting in high production costs and long construction periods, which is not conducive to practical use. Summary of the invention

[0004] In view of this, the present invention provides a special electric equipment and method suitable for subway track construction in tunnels. The special electric equipment for subway track construction has a simple structure, is energy-saving and environmentally friendly, and can be used to complete the functions of rail transport, concrete pouring and rail material transportation in a narrow space.

[0005] In order to achieve the above object, the present invention adopts the following technical solution:

[0006] A special electric equipment suitable for subway track construction in a tunnel, comprising: a head, a front frame, a connecting frame, a rear frame, wheels, a drive assembly and a steering assembly, wherein the head is connected to the front frame, the front frame, the connecting frame and the rear frame are hinged in sequence, the driving assembly is installed at the bottom end of the front frame and the rear frame, the steering assembly is installed at the bottom end of the connecting frame, and a plurality of wheels are respectively installed at the bottom ends of the driving assembly and the steering assembly.

[0007] Furthermore, the steering assembly comprises a non-powered bogie body and a turntable, the turntable is rotatably connected to the top of the non-powered bogie body, and the connecting frame is fixedly mounted on the turntable.

[0008] Furthermore, the driving assembly includes a power bogie body, a driving motor, a reducer and a connecting seat; the wheel is installed at the bottom end of the power bogie body, the two driving motors are installed at the front and rear ends of the power bogie body, the reducer is installed on the power bogie body, the two reducers are respectively connected to the output ends of the two driving motors, and the wheel is connected to the reducer in a transmission manner.

[0009] A method for constructing subway tracks in tunnels, comprising the following steps:

[0010] S1. Construction preparation: Conduct a line survey on the site before construction and determine the layout plan of the track laying base;

[0011] S2. Use the station track area to assemble rail tracks, complete the overall track bed construction of the station track area, reserve materials for the end well, and then divide the station track area into functional areas;

[0012] S3. Install special electric equipment for subway track construction in the station track area and install running rails in the station track area;

[0013] S4. Use a crane to hoist the materials into the station shield shaft, and use a new energy track-laying crane to transport the rails, fasteners and sleepers to the track assembly area;

[0014] S5. The assembled rails are transported to the track-laying working surface by electric equipment dedicated to subway track construction. After the track assembly is completed, the concrete hopper is transported to the track-laying working surface by electric equipment dedicated to subway track construction for concrete pouring;

[0015] S6. Special electric equipment for subway track construction quickly transports the new energy track laying machine and auxiliary tower to the next work point.

[0016] Furthermore, in step S1, in the track-laying base layout plan, a steel bar processing and storage area, a fastener storage area, a rail storage area, a sleeper storage area, a vibration-damping material storage area, a formwork tooling storage area, a warehouse and a rest room are set up on the ground site of the station.

[0017] Furthermore, in step S2, when track laying construction is carried out in the direction of greater mileage, the functional areas are, in sequence, the rail storage area, the sleeper storage area, the track assembly area, the track storage area, the steel bar storage area, the fastener storage area, the ash hopper storage area, and the subway track construction special electric equipment storage area.

[0018] Furthermore, in step S3, the electric equipment dedicated to subway track construction is hoisted to the station track area through the shield shaft, and the head, front frame, rear frame, and connecting frame are assembled in sequence in the track area. After the assembly is completed, it is debugged in the track area.

[0019] Furthermore, in step S4, when the new energy track-laying crane transports the materials to the station track-laying base, the materials are stored in corresponding functional areas according to the material types.

[0020] Furthermore, in step S4, when assembling the rail panel, sleepers, fasteners and rails are arranged in sequence according to the rail section table.

[0021] The beneficial effects of the present invention are:

[0022] 1. The electric equipment is suitable for subway track construction in tunnels. The items to be loaded, unloaded and transported are placed on the upper surfaces of the front frame, the connecting frame and the rear frame. The wheels are driven by starting the driving components under the front frame and the rear frame. The front frame and the rear frame move under the drive of the wheels, so that the connecting frame connected to the front frame and the rear frame moves accordingly to transport the goods. The electric equipment is suitable for subway track construction in tunnels. When passing a curve, the steering component ensures that the special construction equipment rotates and translates when passing a curve, so that the whole is in a stable state.

[0023] 2. The use of special electric equipment for subway track construction can complete the functions of rail transport, concrete pouring and rail material transportation in a narrow space, realize subway track construction in tunnels, reduce production costs, and shorten construction period. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0025] Figure 1 It is a structural diagram of a special electric device suitable for subway track construction in tunnels.

[0026] Figure 2 It is an exploded view of a special electric device suitable for subway track construction in tunnels.

[0027] Figure 3 It is a schematic diagram of the structure of the drive assembly and wheels.

[0028] Figure 4 It is a structural diagram of the steering assembly and wheels.

[0029] Among them, in the figure:

[0030] 1-head, 101-front frame, 102-connecting frame, 103-rear frame, 104-wheel, 2-powered bogie body, 201-driving motor, 202-connecting seat, 203-reducer, 3-unpowered bogie body, 301-turntable. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Example 1

[0033] See attached Figure 1-4 As shown, the present invention provides a special electric device suitable for subway track construction in a tunnel, comprising: a head 1, a front frame 101, a connecting frame 102, a rear frame 103, wheels 104, a driving assembly and a steering assembly, the head 1 is connected to the front frame 101, and the front frame 101, the connecting frame 102 and the rear frame 103 are hinged in sequence ( Figure 1 The front frame 101, the connecting frame 102 and the rear frame 103 are shown to be compact, and there is actually space for the equipment to move or turn. The front frame 101, the connecting frame 102 and the rear frame 103 are assembly structures, each section is independently made, and is welded with high-strength pipes and plates. The front frame 101, the connecting frame 102 and the rear frame 103 are used to meet the needs of rail loading and unloading and transportation. Since the transportation part of the special construction equipment is divided into three parts, the front frame 101, the connecting frame 102 and the rear frame 103, it can be processed at the same time, so that the processing cycle is short and it is easy to use. The bottom ends of the front frame 101 and the rear frame 103 are both installed with a driving assembly, and the bottom end of the connecting frame 102 is installed with a steering assembly. A plurality of wheels 104 are respectively installed at the bottom ends of the driving assembly and the steering assembly. The wheels 104 are installed with the rails to drive the movement of the front frame 101, the connecting frame 102 and the rear frame 103. The braking system adopts three types of braking: electromagnetic power-off braking, hydraulic brake shoe wheel braking and mechanical braking to ensure smooth operation of the equipment and meet the safety requirements of operations.

[0034] Under the action of the driving assembly, the wheels 104 are driven, and the front frame 101 and the rear frame 103 move under the drive of the wheels 104, and the connecting frame 102 connected to the front frame 101 and the rear frame 103 moves accordingly; when passing a curve, the front frame 101 is offset, driving the connecting frame 102 to rotate, and under the action of the steering assembly, it is ensured that the special construction equipment rotates and translates when passing a curve, so that the whole is in a stable state, and the loading, unloading and transportation processes can be completed at this time.

[0035] The driving assembly includes a power bogie body 2, a driving motor 201, a reducer 203 and a connecting seat 202; a wheel 104 is installed at the bottom end of the power bogie body 2, two driving motors 201 are installed at the front and rear ends of the power bogie body 2, and the reducer 203 is installed on the power bogie body 2. The two reducers 203 are respectively connected to the output ends of the two driving motors 201, and the reducer 203 is connected to the wheel 104. A connecting seat 202 is provided on the upper surface of the power bogie body 2, and the connecting seat 202 is connected to the corresponding front frame 101 and rear frame 103, so that the power bogie body 2 is connected to the corresponding front frame 101 and rear frame 103. The articles to be loaded, unloaded and transported are placed on the upper surfaces of the front frame 101, the connecting frame 102 and the rear frame 103. At this time, the driving motors 201 on the two power bogie bodies 2 are started, and the driving motors 201 drive the wheels 104 to transmit through the reducers 203 connected thereto. At the same time, the connecting seats 202 fixedly connected to the upper surfaces of the power bogie bodies 2 are connected to the corresponding front frames 101 and rear frames 103, so that the front frames 101 and rear frames 103 are moved under the transmission of the wheels 104 to load, unload and transport the articles.

[0036] The steering assembly includes a non-powered bogie body 3 and a turntable 301. The turntable 301 is rotatably connected at the top of the non-powered bogie body 3. The connecting frame 102 is fixedly mounted on the turntable 301. The non-powered bogie body 3 is connected to the connecting frame 102 through the turntable 301. Under the action of the turntable 301, the special construction equipment can travel on a curve. The turntable 301 is arranged on the upper surface of the non-powered bogie body 3, and the inner wall of the non-powered bogie body 3 is connected to two wheels 104. When passing a curve, the front frame 101 is offset, driving the connecting frame 102 to rotate. At this time, the turntable 301 connected to the connecting frame 102 rotates on the upper surface of the non-powered bogie body 3, thereby driving the rear frame 103 to rotate and translate accordingly, ensuring that the special construction equipment rotates and translates when passing a curve. At the same time, the position of the non-powered bogie body 3 does not deviate, so that the whole is in a stable state, and the loading, unloading and transportation process can be completed at this time.

[0037] Working principle: The transportation part of the special construction equipment includes a front frame 101, a connecting frame 102 and a rear frame 103, which can be processed at the same time, with a short processing cycle and easy to use; at the same time, the wheels 104 under the special equipment are installed with the rails. When the special equipment is needed, the items to be loaded and unloaded and transported are placed on the upper surfaces of the front frame 101, the connecting frame 102 and the rear frame 103, and the driving motors 201 fixedly connected to the two power bogie bodies 2 are started; at this time, under the action of the driving motor 201, the reducer 203 drives the wheels 104 to transmit, and at the same time, the connecting seat 202 fixedly connected to the upper surface of the power bogie body 2 is connected to the corresponding front frame 101 and rear frame 103 , so that the front frame 101 and the rear frame 103 move under the transmission of the wheels 104; under the movement of the front frame 101 and the rear frame 103, the connecting frame 102 connected to the front frame 101 and the rear frame 103 moves accordingly, and when passing a curve, the front frame 101 is offset, driving the connecting frame 102 to rotate, and at this time, the turntable 301 connected to the connecting frame 102 rotates on the upper surface of the non-powered bogie body 3; thereby driving the rear frame 103 to rotate and translate accordingly, thereby ensuring that the special construction equipment rotates and translates when passing a curve, and at the same time, the position of the non-powered bogie body 3 does not deviate, so that the whole is in a stable state, and the loading, unloading and transportation processes can be completed at this time.

[0038] Example 2

[0039] The invention discloses an operation method suitable for subway track construction in a tunnel. The ground site of the operation surface is limited and the underground site is narrow. Electric equipment dedicated to subway track construction is suitable for track laying construction on the operation surface. The method comprises the following steps.

[0040] S1. Construction preparation: Before construction, conduct a line survey on the site and determine the layout plan of the track-laying base. In the layout plan of the track-laying base, a steel bar processing and storage area, a fastener storage area, a rail storage area, a sleeper storage area, a vibration-damping material storage area, a formwork and tooling storage area, a warehouse and a rest room should be set up on the ground site of the station.

[0041] S2. Use the station track area to assemble rails, complete the overall track bed construction of the station track area, reserve materials for the end well, and then divide the station track area into functional areas; when laying tracks in the direction of long mileage, the functional areas are, in order, rail storage area, sleeper storage area, rail assembly area, rail storage area, steel bar storage area, fastener storage area, ash hopper storage area, and storage area for special electric equipment for subway track construction.

[0042] S3. Install special electric equipment for subway track construction in the station track area, hoist the special electric equipment for subway track construction to the station track area through the shield shaft, assemble the locomotive 1, the front frame 101, the rear frame 103, and the connecting frame 102 in sequence in the track area, and debug in the track area after assembly; install running rails in the station track area, and install a new energy track laying machine on the running rails; hoist the special electric equipment for subway track construction to the station track area through the shield shaft, assemble the locomotive 1, the front frame 101, the rear frame 103, and the connecting frame 102 in sequence in the track area, and debug in the track area after assembly.

[0043] S4. Use a crane to lift the materials into the station shield shaft, and then use a new energy track-laying crane to transport the materials to the station track-laying base. When the new energy track-laying crane transports the materials to the station track-laying base, the materials are stored in the corresponding functional area according to the material type; use the new energy track-laying crane to transport the rails, fasteners and sleepers to the track assembly area. When assembling the track, arrange the sleepers, fasteners and rails in sequence according to the rail section table.

[0044] S5. Use the new energy track laying machine to lift the assembled track onto the special electric equipment for subway track construction, and then use the special electric equipment for subway track construction to transport it to the track laying working surface to complete the track transportation; after the track assembly is completed, the new energy track laying machine will lift the concrete hopper onto the special electric equipment for subway track construction, and then use the special electric equipment for subway track construction to transport it to the concrete discharge port to load the concrete and transport it to the track laying working surface to complete the concrete pouring.

[0045] S6. After the new energy track laying machine has finished its operation, it needs to be quickly transferred to the site. The auxiliary tower must be hoisted to the special electric equipment for subway track construction, and run to the track laying machine operation point. The new energy track laying machine is placed on the electric equipment through the auxiliary tower and quickly transferred to the operation point to be operated. Three new energy track laying machines can be transferred at the same time.

[0046] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0047] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A special electric device suitable for subway track construction in tunnels, characterized in that: include: A vehicle head, a front frame, a connecting frame, a rear frame, wheels, a driving assembly and a steering assembly, wherein the vehicle head is connected to the front frame, the front frame, the connecting frame and the rear frame are hinged in sequence, the driving assembly is installed at the bottom of the front frame and the rear frame, the steering assembly is installed at the bottom of the connecting frame, and the plurality of wheels are respectively installed at the bottom of the driving assembly and the steering assembly; The steering assembly comprises a non-powered bogie body and a turntable, the turntable is rotatably connected to the top of the non-powered bogie body, and the connecting frame is fixedly mounted on the turntable; The driving assembly comprises a power bogie body, a driving motor, a reducer and a connecting seat; the wheel is installed at the bottom end of the power bogie body, two driving motors are installed at the front and rear ends of the power bogie body, the reducer is installed on the power bogie body, the two reducers are respectively connected to the output ends of the two driving motors, and the wheel is connected to the reducer in a transmission manner; As the front frame and the rear frame move, the connecting frame connected to the front frame and the rear frame moves accordingly, and when passing a curve, the front frame is offset, driving the connecting frame to rotate, and the turntable connected to the connecting frame rotates on the upper surface of the unpowered bogie body; thereby driving the rear frame to rotate and translate accordingly, thereby ensuring that the special construction equipment rotates and translates when passing a curve, and at the same time, the position of the unpowered bogie body does not shift, so that the whole is in a stable state.

2. A method for constructing subway tracks in tunnels, using the electric device for constructing subway tracks in tunnels as claimed in claim 1, characterized in that: The steps include: S1. Construction preparation: Conduct a line survey on the site before construction and determine the layout plan of the track laying base; S2. Use the station track area to assemble rail tracks, complete the overall track bed construction of the station track area, reserve the end well for laying materials, and then divide the station track area into functional areas; S3. Install special electric equipment for subway track construction in the station track area and install running rails in the station track area; S4. Use a crane to hoist the materials into the station shield shaft, and use a new energy track-laying crane to transport the rails, fasteners and sleepers to the track assembly area; S5. The assembled rails are transported to the track-laying working surface by electric equipment dedicated to subway track construction. After the track assembly is completed, the concrete hopper is transported to the track-laying working surface by electric equipment dedicated to subway track construction for concrete pouring; S6. Special electric equipment for subway track construction quickly transports the new energy track laying machine and auxiliary tower to the next work point.

3. A method for constructing subway tracks in tunnels according to claim 2, characterized in that: In step S1, in the track-laying base layout plan, a steel bar processing and storage area, a fastener storage area, a rail storage area, a sleeper storage area, a vibration-damping material storage area, a formwork tool storage area, a warehouse and a rest room are set up on the ground site of the station.

4. A method for constructing subway tracks in tunnels according to claim 2, characterized in that: In step S2, when track laying construction is carried out in the direction of greater mileage, the functional areas are, in sequence, the rail storage area, the sleeper storage area, the track assembly area, the track storage area, the steel bar storage area, the fastener storage area, the ash hopper storage area, and the subway track construction special electric equipment storage area.

5. The method for constructing subway tracks in tunnels according to claim 2, characterized in that: In step S3, the electric equipment for subway track construction is hoisted to the station track area through the shield shaft, and the front end, front frame, rear frame, and connecting frame are assembled in sequence in the track area. After the assembly is completed, it is debugged in the track area.

6. A method for constructing subway tracks in tunnels according to claim 4, characterized in that: In step S4, when the new energy track-laying crane transports the materials to the station track-laying base, the materials are stored in the corresponding functional areas according to the material types.

7. A method for constructing subway tracks in tunnels according to claim 2, characterized in that: In step S4, when assembling the rail panel, sleepers, fasteners and rails are arranged in sequence according to the rail section table.

Images