CN221162693U

CN221162693U - Vehicle turning device

Info

Publication number: CN221162693U
Application number: CN202323534807.7U
Authority: CN
Inventors: 王薪程; 郑怀臣; 张维颂; 毛成宝; 粟俊杰; 段长林
Original assignee: Hunan Wuxin Formwork Co Ltd
Current assignee: Hunan Wuxin Formwork Co Ltd
Priority date: 2023-12-22
Filing date: 2023-12-22
Publication date: 2024-06-18
Anticipated expiration: 2033-12-22

Abstract

The utility model discloses a vehicle turning device which comprises a base, a rotary platform and a rotary driving mechanism, wherein the rotary platform and the rotary driving mechanism are arranged on the base, a jacking mechanism is arranged at the front end and the rear end of the base, and a travelling mechanism is connected below the jacking mechanism. According to the vehicle turning device disclosed by the utility model, the jacking mechanisms are arranged at the front end and the rear end of the base and are connected with the travelling mechanism, so that the movement of the vehicle turning device is not required to depend on a forklift or other external transfer vehicles, the use is more convenient, the movement cost is reduced, and the working efficiency of tunnel construction is improved.

Description

Vehicle turning device

Technical Field

The utility model relates to the technical field of construction auxiliary equipment, in particular to a vehicle turning device.

Background

In current tunnel construction, vehicles tend to shuttle through tunnels of smaller width, especially single-line tunnels, and sometimes need to travel in alternate directions in the tunnel. Because the width of the single-line tunnel is narrower, the vehicle needs to turn around by itself with a larger width, so that the vehicle turns around in the narrower tunnel, which is time-consuming and laborious and even can not turn around. Therefore, some simple-structure and-function turning platforms are also arranged on the tunnel construction site at present, the turning platforms are required to be placed at a certain position of the tunnel by using a forklift or a transport vehicle, and when the vehicle needs to turn around, the vehicle is driven to the turning platforms and then rotated to turn around. For example, chinese patent document with bulletin number CN219619076U discloses a tunnel vehicle U-turn trolley, which comprises an approach bridge, a base, a revolving bearing, a revolving driving mechanism, a riding wheel, a U-turn platform and a U-turn control rod, wherein the front end and the rear end of the base are respectively lapped with the approach bridge, the base is connected with the U-turn platform through the revolving bearing, the revolving driving mechanism is fixedly arranged on the base to drive the revolving bearing to act, an arc track is rigidly connected below the U-turn platform, the riding wheel is arranged in the arc direction of the corresponding arc track on the base, the U-turn platform is supported on the riding wheel through the arc track, the center of the circle of the arc track is concentric with the center of the revolving bearing, the approach bridge and the U-turn platform are matched to form a vehicle channel, and the front end and the rear end of the U-turn platform are respectively provided with the U-turn control rod for controlling the revolving driving mechanism. According to the technical scheme, as the turning platform cannot move, along with tunneling of a tunnel, the turning platform needs to be transferred by means of a forklift or other transport vehicles, the flexibility is poor, the use cost is high, the construction efficiency is affected, after the turning platform rotates by a certain angle, the arc-shaped track cannot continue to provide support for the turning platform, and the stability and the reliability are poor, particularly when the turning platform is used for heavy loads and full-load vehicles.

Disclosure of utility model

The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing the vehicle turning device which has good flexibility and low use cost and is beneficial to improving the construction efficiency.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a vehicle device of turning round, includes the base, and locates rotary platform and the rotary drive mechanism on the base, both ends are equipped with climbing mechanism around the base, climbing mechanism below is connected with running gear.

As a further improvement of the above technical scheme: the base is provided with a circular track, and the rotary platform is provided with a plurality of guide supporting pieces matched with the circular track along the circumferential direction.

As a further improvement of the above technical scheme: the rotary platform is provided with a rotary shaft, the lower end of the rotary shaft is rotationally connected with the base, the rotary driving mechanism comprises a first telescopic driving piece, and the first telescopic driving piece is connected with the rotary shaft through a connecting rod assembly.

As a further improvement of the above technical scheme: the linkage assembly includes at least one bent rod.

As a further improvement of the above technical scheme: and the front end and the rear end of the base are respectively provided with a guide piece for guiding the vehicle to go up and down the rotary platform.

As a further improvement of the above technical scheme: the guide piece comprises a left split body and a right split body, and the jacking mechanism is arranged on each split body.

As a further improvement of the above technical scheme: the travelling mechanism comprises a mounting shaft and travelling wheels arranged at two ends of the mounting shaft.

As a further improvement of the above technical scheme: the jacking mechanism comprises a second telescopic driving piece and a swing arm, one end of the swing arm is hinged with the guide piece, the other end of the swing arm is connected with the mounting shaft, one end of the second telescopic driving piece is hinged with the guide piece, and the other end of the second telescopic driving piece is hinged with the swing arm.

As a further improvement of the above technical scheme: the guide piece is provided with a rotatable mounting seat, and the jacking mechanism is arranged on the mounting seat.

Compared with the prior art, the utility model has the advantages that: the vehicle U-turn device is characterized in that the front end and the rear end of the base are provided with jacking mechanisms, and the jacking mechanisms are connected with the travelling mechanism. When the jacking mechanism is in a jacking state, only the running mechanism of the vehicle turning device contacts the ground, and a supporting force and a driving force are provided for the vehicle turning device, so that the vehicle turning device can conveniently, quickly and flexibly move to a designated position; when the jacking mechanism is in a contracted state, the base is contacted with the ground to provide stable support for the vehicle turning device, and the vehicle turning device can normally provide turning service for the vehicle. The vehicle turning device does not need to rely on a forklift or other external transfer vehicles for movement, is more convenient to use, reduces the movement cost and is beneficial to improving the working efficiency of tunnel construction.

Drawings

Fig. 1 is a schematic front view of a vehicle-driving-on rotary platform of a vehicle u-turn device of the present utility model.

Fig. 2 is a schematic top view of a vehicle-driving-on rotary platform of the vehicle u-turn device of the present utility model.

Fig. 3 is a schematic front view of the rotating platform of the vehicle u-turn device of the present utility model rotated 90 °.

Fig. 4 is a schematic top view of the rotating platform of the vehicle u-turn device of the present utility model rotated 90 °.

Fig. 5 is a schematic front view of the rotating platform of the vehicle u-turn device of the present utility model rotated 180 °.

Fig. 6 is a schematic top view of the rotating platform of the vehicle u-turn device of the present utility model rotated 180 °.

Fig. 7 is a schematic front view of the moving state of the turning device of the vehicle according to the present utility model.

Fig. 8 is a schematic top view of the moving state of the turning device of the vehicle according to the present utility model.

Fig. 9 is a schematic structural view of a rotary driving mechanism of the vehicle u-turn device of the present utility model.

Fig. 10 is a schematic structural view of a jack-up assembly of the vehicle u-turn device of the present utility model.

Fig. 11 is a schematic view of a walking assembly of the vehicle u-turn device of the present utility model.

Fig. 12 is an enlarged schematic view of the circular track of the vehicle u-turn device of the present utility model mated with the guide support.

The reference numerals in the drawings denote: 1. a base; 11. a circular track; 2. a guide; 3. rotating the platform; 31. a guide support; 4. a rotary driving mechanism; 41. a first telescopic driving member; 42. a connecting rod assembly; 5. a rotation shaft; 6. a walking mechanism; 61. a mounting shaft; 62. a walking wheel; 7. a jacking mechanism; 71. a mounting base; 72. a second telescopic driving member; 73. and (3) swinging arms.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific examples.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Fig. 1 to 12 show an embodiment of a vehicle turning device according to the present utility model, which includes a base 1, a rotating platform 3 and a rotating driving mechanism 4 disposed on the base 1, a lifting mechanism 7 disposed at front and rear ends of the base 1, and a travelling mechanism 6 connected below the lifting mechanism 7.

In the vehicle u-turn device of the embodiment, the lifting mechanisms 7 are arranged at the front end and the rear end of the base 1, and the lifting mechanisms 7 are connected with the travelling mechanism 6. When the jacking mechanism 7 is in a jacking state, only the travelling mechanism 6 of the vehicle turning device contacts the ground, and a supporting force and a driving force are provided for the vehicle turning device, so that the vehicle turning device can conveniently, quickly and flexibly move to a designated position; when the jacking mechanism 7 is in a contracted state, the base 1 is in contact with the ground to provide stable support for the vehicle turning device, and the vehicle turning device can be used for turning vehicles at the moment and has good reliability. The vehicle turning device of the embodiment does not need to rely on a forklift or other external transfer vehicles when moving, is more convenient to use, reduces the moving cost, and is beneficial to improving the working efficiency of tunnel construction.

Further, in this embodiment, the base 1 is provided with a circular track 11, and the rotating platform 3 is provided with a plurality of guide supports 31 along the circumferential direction, which are engaged with the circular track 11. The rotary platform 3 rotates to any angle, and the circular track 11 and the guide support piece 31 cooperate to provide stable support for the rotary platform 3, and the guide support piece 31 moves along the circular track 11, so that shaking generated in the rotary process of the rotary platform 3 can be reduced, and stability and safety in the rotary process can be improved. The guide support 31 is a roller, however, in other embodiments, a slider, a roller, or the like may be used.

As a preferred embodiment, the six guide supporting members 31 are provided, and the six guide supporting members 31 are uniformly distributed along the circumferential direction of the circular track 11, so that the load carrying capacity of the vehicle u-turn platform can be improved, and the stability of the rotating platform 3 in the rotating process can be further improved. Of course, in other embodiments, the number of guide supports 31 may be set to other numbers, preferably more than three.

Further, in this embodiment, the rotary platform 3 is provided with a rotary shaft 5, the lower end of the rotary shaft 5 is rotatably connected with the base 1, and the rotary driving mechanism 4 includes a first telescopic driving member 41, and the first telescopic driving member 41 is connected with the rotary shaft 5 through a link assembly 42. Specifically, the first telescopic driving piece 41 is an oil cylinder, the output force of the oil cylinder is large, and the load of the rotating platform 3 during rotation can be improved by matching the connecting rod assembly 42 and the guide supporting piece 31. Of course, in other embodiments, the first telescopic driving member 41 may be a cylinder, a servo motor, or other driving components for driving the rotation shaft 5 to rotate, which will not be described in detail.

As a preferred embodiment, the link assembly 42 includes at least one curved rod, which can be used to avoid other rods when the link assembly 42 is actuated by the actuation of the first telescopic actuation member 41, so as to support a greater angular rotation of the rotary platform 3.

Further, in this embodiment, the front and rear ends of the base 1 are both provided with the guide members 2 for guiding the vehicle to rotate the platform 3 up and down, so that the vehicle can turn around from the front and rear ends of the vehicle turning device to the rotating platform 3, and convenience of the vehicle turning device in use is enhanced. Wherein the front end refers to the tunneling direction of the tunnel.

Further, in this embodiment, the guide 2 includes left and right split bodies, and each split body is provided with a jacking mechanism 7. Because the four jacking mechanisms 7 can jack the base 1 from four positions, the safety and stability of the vehicle U-turn device during movement are improved. Of course, in other embodiments, the guides 2 may be one body, and each guide 2 may be provided with a plurality of jacking mechanisms 7 at intervals in the width direction.

Further, in this embodiment, the travelling mechanism 6 includes a mounting shaft 61 and travelling wheels 62 disposed at two ends of the mounting shaft 61, and two travelling wheels 62 are disposed on the same mounting shaft 61, so that stability of the vehicle u-turn device during movement is further enhanced. Of course, in other embodiments, the number of road wheels 62 may be suitably adjusted.

Further, in the present embodiment, the jacking mechanism 7 includes the second telescopic driving piece 72 and the swing arm 73, one end of the swing arm 73 is hinged to the guide piece 2, the other end is connected to the mounting shaft 61, one end of the second telescopic driving piece 72 is hinged to the guide piece 2, and the other end is hinged to the swing arm 73. The second telescopic driving piece 72 stretches and contracts to drive the swing arm 73 to swing, so that the whole lifting of the guide piece 2 and the base 1 transverse rotating platform 3 is realized. The jacking mechanism 7 is simple in structure and good in reliability. However, the second telescopic driving member 72 is preferably an oil cylinder, and in other embodiments, other driving components capable of achieving the same function may be adopted, which will not be described in detail.

As a preferred embodiment, in this embodiment, the guide 2 is provided with a rotatable mounting seat 71, and the jacking mechanism 7 is provided on the mounting seat 71 (the rotational connection structure between the mounting seat 71 and the guide 2 may refer to the connection structure between the rotary platform 3 and the base 1). The rotatable mounting seat 71 can drive the travelling mechanism 6 to change the direction through the jacking mechanism 7, so that the vehicle u-turn device can longitudinally move and also can transversely move to adjust the transverse position, the degree of freedom of the vehicle u-turn device during movement is greatly improved, and the vehicle u-turn device can adapt to movement in a nonlinear tunnel.

The application method of the vehicle turning device of the embodiment is as follows:

In the initial state, the vehicle turning device is in a jacking state, the base 1 and the guide piece 2 are not contacted with the ground, the vehicle turning device moves to a designated position through the travelling wheel 62, then the jacking mechanism 7 lowers the base 1 and the guide piece 2, the base 1 and the guide piece 2 are contacted with the ground, then the construction vehicle moves to the rotating platform 3 through the guide piece 2, the rotating platform 3 rotates 180 degrees under the cooperation of the first telescopic driving piece 41, the connecting rod assembly 42 and the rotating shaft 5, and finally the vehicle after the turning is successfully driven away from the vehicle turning device through the guide piece 2. When the vehicle turning device needs to go to the next construction section, the lifting mechanism 7 is controlled to lift the base 1 and the guide piece 2, then the traveling wheel 62 drives the vehicle turning device to go to a designated position, the transverse position can be adjusted if necessary, and finally the lifting mechanism 7 lowers the base 1 and the guide piece 2, and enables the base 1 and the guide piece 2 to contact the ground.

While the utility model has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims

1. The utility model provides a vehicle device of turning around, includes base (1), and locate rotary platform (3) and rotary driving mechanism (4) on base (1), its characterized in that: the lifting mechanisms (7) are arranged at the front end and the rear end of the base (1), and a travelling mechanism (6) is connected below the lifting mechanisms (7).

2. The vehicle u-turn device of claim 1, wherein: the base (1) is provided with a circular track (11), and the rotary platform (3) is provided with a plurality of guide supporting pieces (31) matched with the circular track (11) along the circumferential direction.

3. The vehicle u-turn device of claim 1, wherein: the rotary platform (3) is provided with a rotary shaft (5), the lower end of the rotary shaft (5) is rotationally connected with the base (1), the rotary driving mechanism (4) comprises a first telescopic driving piece (41), and the first telescopic driving piece (41) is connected with the rotary shaft (5) through a connecting rod assembly (42).

4. A vehicle u-turn device according to claim 3, wherein: the linkage assembly (42) includes at least one bent rod.

5. The vehicle u-turn device according to any one of claims 1 to 4, characterized in that: the front end and the rear end of the base (1) are respectively provided with a guide piece (2) for guiding the vehicle to go up and down the rotary platform (3).

6. The vehicle u-turn device of claim 5, wherein: the guide piece (2) comprises a left split body and a right split body, and the jacking mechanism (7) is arranged on each split body.

7. The vehicle u-turn device of claim 5, wherein: the travelling mechanism (6) comprises a mounting shaft (61) and travelling wheels (62) arranged at two ends of the mounting shaft (61).

8. The vehicle u-turn device of claim 7, wherein: the jacking mechanism (7) comprises a second telescopic driving piece (72) and a swing arm (73), one end of the swing arm (73) is hinged to the guide piece (2), the other end of the swing arm is connected with the mounting shaft (61), one end of the second telescopic driving piece (72) is hinged to the guide piece (2), and the other end of the second telescopic driving piece is hinged to the swing arm (73).

9. The vehicle u-turn device of claim 5, wherein: the guide piece (2) is provided with a rotatable mounting seat (71), and the jacking mechanism (7) is arranged on the mounting seat (71).