Maintenance transfer trolley for main cable of suspension bridge

Abstract

The utility model belongs to the technical field of suspension bridge main cable overhaul transfer trolleys, and particularly relates to a suspension bridge main cable overhaul transfer trolley which comprises a transfer trolley body, a supporting frame is fixedly installed on the outer side of the transfer trolley body, and a plurality of reinforcing ribs are fixedly installed on the outer side of the transfer trolley body. Partition plates are fixedly installed at the four corners of the inner wall of the bottom of the transfer trolley body, and a traction rope is fixedly installed on the outer side of the supporting frame. The adjusting assembly is installed on the transfer trolley body and the partition plate. Through the arranged adjusting assembly, when main cables with different inner diameters are placed, the distance between the sliding frames can be adjusted according to the inner diameters of the main cables, a first motor is controlled to drive a driving shaft to rotate, and the driving shaft can drive multiple lead screws to rotate through bevel gears after rotating; and after the screw rod rotates, the screw rod can drive the plurality of sliding frames to carry out stress movement through screw-thread fit, so that the sliding frames can be in auxiliary fit with main cables of various specifications and sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of main cable maintenance transfer vehicles for suspension bridges, in particular to a main cable maintenance transfer vehicle for suspension bridges. Background Technique

[0002] At present, the storage and cable release of the main cable of the suspension bridge are not in the same place, resulting in the need for transfer between the storage place and the cable release place. At the same time, due to the heavy weight of the main cable of the suspension bridge, the traditional method is to hoist it onto a flatbed truck by a crane, then transport it to the cable release position by the flatbed truck, and then hoist it onto the cable release reel by a crane. However, usually this method requires multiple hoisting and loading / unloading operations, resulting in the use of a large number of equipment, slow working efficiency, high cost, and unable to meet the requirements of a tight construction period;

[0003] The publication number CN 217170840 U discloses a main cable maintenance transfer vehicle for a suspension bridge, which includes a transfer carrier frame, a traveling mechanism arranged at the lower part of the transfer carrier frame, and a fixing mechanism for fixing the main cable of the suspension bridge. A rotating mechanism is arranged between the fixing mechanism and the transfer carrier frame. The fixing mechanism includes a carrier disk for carrying the main cable of the suspension bridge and a cable core fixing frame fixedly arranged at the center of the carrier disk for fixing the main cable of the suspension bridge;

[0004] When in use, the existing device can only carry main cables of a fixed size, and it is difficult to adapt to main cables of different sizes. Moreover, multiple pulleys of the device turn during transportation. Therefore, we propose a main cable maintenance transfer vehicle for a suspension bridge. Content of the Utility Model

[0005] The purpose of the utility model is to provide a main cable maintenance transfer vehicle for a suspension bridge, which solves the existing problems.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A main cable maintenance transfer vehicle for a suspension bridge includes a transfer vehicle main body. A support frame is fixedly installed on the outer side of the transfer vehicle main body, and a plurality of reinforcing ribs are fixedly installed on the outer side of the transfer vehicle main body. Partition plates are fixedly installed at the four corners of the inner wall of the bottom of the transfer vehicle main body. A traction rope is fixedly installed on the outer side of the support frame; an adjustment component, the adjustment component is installed on the transfer vehicle main body and the partition plate; a steering component, the steering component is installed on the transfer vehicle main body.

[0008] As a further improvement of the above solution, the adjusting component includes a first motor, a driving shaft, a lead screw, bevel gears, and a sliding frame. The first motor is fixedly installed in the middle of the inner wall of the bottom of the transporter body. The driving shaft is fixedly installed at the output end of the first motor. The lead screw is rotatably installed inside the partition. The bevel gears are fixedly installed on the outer sides of the driving shaft and the lead screw, and adjacent bevel gears are meshed with each other. The sliding frame is threadedly installed on the outer side of the lead screw.

[0009] As a further improvement of the above solution, the steering component includes a second motor, a control shaft, a fixed box, a rotating shaft, and rollers. The second motor is fixedly installed at the four corners of the bottom of the transporter body. The control shaft is fixedly installed at the output end of the second motor. The fixed box is fixedly installed at the bottom of the control shaft. The rotating shaft is rotatably installed between the left and right inner walls of the fixed box. The rollers are fixedly installed on the outer side of the rotating shaft.

[0010] As a further improvement of the above solution, a limit sliding groove is provided at the top of the transporter body, and the sliding frame is slidably installed inside the limit sliding groove.

[0011] As a further improvement of the above solution, the shape of the reinforcing rib is triangular, and the material of the reinforcing rib is steel.

[0012] By adopting the above technical solution, the reinforcing rib can support the support frame, making the support frame relatively stable when placing the main cable.

[0013] As a further improvement of the above solution, a threaded hole is provided on one side of the sliding frame, and the lead screw is meshed with the adjacent threaded hole.

[0014] By adopting the above technical solution, after the lead screw rotates, it can drive the sliding frame to move under force through the cooperation with the threaded hole, and the sliding range of the sliding frame can be controlled by the thread direction.

[0015] As a further improvement of the above solution, an installation groove is provided at the bottom of the fixed box, and the rotating shaft is rotatably installed between the left and right inner walls of the installation groove.

[0016] By adopting the above technical solution, the installation groove facilitates the installation of the rotating shaft and enables the rollers to rotate.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] A cable - suspended bridge main cable maintenance transfer vehicle of the present utility model, through the provided adjusting component, when placing main cables with different inner diameters, can adjust the distance between sliding frames according to the inner diameter of the main cable. Control the first motor to drive the drive shaft to rotate, so that after the drive shaft rotates, it can drive a plurality of lead screws to rotate through bevel gears. After the lead screws rotate, they can drive a plurality of sliding frames to move under force through screw cooperation, enabling the sliding frames to assist in cooperating with main cables of various specifications and sizes;

[0019] A cable - suspended bridge main cable maintenance transfer vehicle of the present utility model, through the provided steering component, can be connected to a tractor through a towing rope. During the movement of the transfer vehicle body, it can move its position by rolling the rollers below. Since the length of the rollers is relatively long, the stress area is large. And during the steering process, the second motor can be controlled to drive the control shaft and the fixed box to rotate, so that after the fixed box rotates, it can drive the rollers to rotate, making the device more convenient and stable during the steering process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0021] Figure 1 is a three - dimensional structure schematic diagram of a cable - suspended bridge main cable maintenance transfer vehicle proposed by the present utility model;

[0022] Figure 2 is a partial three - dimensional structure schematic diagram of a cable - suspended bridge main cable maintenance transfer vehicle proposed by the present utility model;

[0023] Figure 3 is a partial three - dimensional structure schematic diagram of a cable - suspended bridge main cable maintenance transfer vehicle proposed by the present utility model;

[0024] Figure 4 is Figure 3 the structure schematic diagram of part A in

[0025] In the figure: 1, transfer vehicle body; 2, support frame; 3, reinforcing rib; 4, partition board; 5, towing rope; 6, first motor; 7, drive shaft; 8, lead screw; 9, bevel gear; 10, sliding frame; 11, second motor; 12, control shaft; 13, fixed box; 14, rotating shaft; 15, roller. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Reference Figures 1-4 , a main cable maintenance transfer vehicle for a suspension bridge, including a transfer vehicle main body 1, a support frame 2 is fixedly installed on the outer side of the transfer vehicle main body 1, a plurality of reinforcing ribs 3 are fixedly installed on the outer side of the transfer vehicle main body 1, partitions 4 are fixedly installed at the four corners of the inner wall of the bottom of the transfer vehicle main body 1, and a towing rope 5 is fixedly installed on the outer side of the support frame 2; an adjustment component, the adjustment component is installed on the transfer vehicle main body 1 and the partition 4; a steering component, the steering component is installed on the transfer vehicle main body 1.

[0028] In this embodiment, the adjustment component includes a first motor 6, a drive shaft 7, a lead screw 8, bevel gears 9 and a sliding frame 10. The first motor 6 is fixedly installed in the middle of the inner wall of the bottom of the transfer vehicle main body 1, the drive shaft 7 is fixedly installed at the output end of the first motor 6, the lead screw 8 is rotatably installed inside the partition 4, the bevel gears 9 are fixedly installed on the outer sides of the drive shaft 7 and the lead screw 8, adjacent bevel gears 9 are meshed with each other, and the sliding frame 10 is threadedly installed on the outer side of the lead screw 8.

[0029] In this embodiment, the steering component includes a second motor 11, a control shaft 12, a fixed box 13, a rotating shaft 14 and a roller 15. The second motor 11 is fixedly installed at the four corners of the bottom of the transfer vehicle main body 1, the control shaft 12 is fixedly installed at the output end of the second motor 11, the fixed box 13 is fixedly installed at the bottom of the control shaft 12, the rotating shaft 14 is rotatably installed between the left and right inner walls of the fixed box 13, and the roller 15 is fixedly installed on the outer side of the roller 15.

[0030] In this embodiment, a limit chute is opened at the top of the transfer vehicle main body 1, and the sliding frame 10 is slidably installed inside the limit chute.

[0031] In this embodiment, the shape of the reinforcing rib 3 is triangular, and the material of the reinforcing rib 3 is steel.

[0032] In this embodiment, a threaded hole is opened on one side of the sliding frame 10, and the lead screw 8 is meshed with the adjacent threaded hole.

[0033] In this embodiment, an installation groove is opened at the bottom of the fixed box 13, and the rotating shaft 14 is rotatably installed between the left and right inner walls of the installation groove.

[0034] In the embodiment of the present application, the implementation principle of a main cable maintenance transfer vehicle for a suspension bridge is as follows: When placing main cables with different inner diameters, the distance between the sliding frames 10 can be adjusted according to the inner diameter of the main cable. The first motor 6 is controlled to drive the drive shaft 7 to rotate. After the drive shaft 7 rotates, it can drive a plurality of lead screws 8 to rotate through bevel gears 9. After the lead screws 8 rotate, they can drive a plurality of sliding frames 10 to move under force through thread cooperation, so that the sliding frames 10 can be assisted to cooperate with main cables of various specifications; the device can be connected to a tractor through a towing rope 5. During the movement of the transfer vehicle body 1, the position can be moved by rolling the rollers 15 below. Since the length of the rollers 15 is relatively long, the force-bearing area is large. And during the turning process, the second motor 11 can be controlled to drive the control shaft 12 and the fixed box 13 to rotate. After the fixed box 13 rotates, it can drive the rollers 15 to rotate, making the device more convenient and stable during the turning process.

[0035] In the description of this specification, the description with reference to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0036] The above has introduced in detail a main cable maintenance transfer vehicle for a suspension bridge provided by the present utility model. Specific embodiments are used herein to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A suspension bridge main cable maintenance and transfer vehicle, characterized in that: include: A transfer vehicle body (1), a support frame (2) is fixedly mounted on the outer side of the transfer vehicle body (1), a plurality of reinforcing ribs (3) are fixedly mounted on the outer side of the transfer vehicle body (1), partitions (4) are fixedly mounted on the four corners of the bottom inner wall of the transfer vehicle body (1), and a traction rope (5) is fixedly mounted on the outer side of the support frame (2); An adjustment component, the adjustment component being mounted on the transfer vehicle body (1) and the partition (4); A steering assembly is mounted on the transfer vehicle body (1).

2. A suspension bridge main cable maintenance and transfer vehicle according to claim 1, characterized in that: The adjustment assembly comprises a first motor (6), a drive shaft (7), a screw rod (8), a bevel gear (9) and a sliding frame (10), wherein the first motor (6) is fixedly mounted at the middle of the bottom inner wall of the transfer vehicle body (1), the drive shaft (7) is fixedly mounted at the output end of the first motor (6), the screw rod (8) is rotatably mounted on the inner side of the partition (4), the bevel gear (9) is fixedly mounted on the outer side of the drive shaft (7) and the screw rod (8), adjacent bevel gears (9) are meshed with each other, and the sliding frame (10) is threadedly mounted on the outer side of the screw rod (8).

3. A suspension bridge main cable maintenance and transfer vehicle according to claim 1, characterized in that: The steering assembly comprises a second motor (11), a control shaft (12), a fixed box (13), a rotating shaft (14) and a roller (15); the second motor (11) is fixedly mounted at the four corners of the bottom of the transfer vehicle body (1); the control shaft (12) is fixedly mounted at the output end of the second motor (11); the fixed box (13) is fixedly mounted at the bottom of the control shaft (12); the rotating shaft (14) is rotatably mounted between the left and right inner walls of the fixed box (13); and the roller (15) is fixedly mounted on the outer side of the roller (15).

4. A suspension bridge main cable maintenance and transport vehicle according to claim 2, characterized in that: A limiting slide groove is provided on the top of the transfer vehicle body (1), and the sliding frame (10) is slidably mounted on the inner side of the limiting slide groove.

5. The main cable maintenance and transport vehicle for a suspension bridge according to claim 1, characterized in that: The reinforcing rib (3) is in the shape of a triangle, and is made of steel.

6. A suspension bridge main cable maintenance and transport vehicle according to claim 2, characterized in that: A threaded hole is provided on one side of the sliding frame (10), and the screw rod (8) is meshed with an adjacent threaded hole.

7. A suspension bridge main cable maintenance and transport vehicle according to claim 3, characterized in that: The bottom of the fixed box (13) is provided with a mounting groove, and the rotating shaft (14) is rotatably mounted between the left and right inner walls of the mounting groove.

Images