Landing leg supporting and leveling device

Abstract

The utility model discloses a landing leg supporting and leveling device which is arranged at the bottom of a body to be supported and comprises a plurality of supporting leg assemblies matched with each other, each supporting leg assembly comprises a mounting seat structure and a supporting leg, and the mounting seat structure is connected to the bottom of the body to be supported; the supporting legs are rotationally connected with the mounting seat structure and have a use state in which the supporting legs are rotated to be arranged in the vertical direction and a storage state in which the supporting legs are rotated to be arranged in the horizontal direction; compared with the prior art, the supporting leg assembly is mainly composed of the multiple supporting leg assemblies connected to the bottom of the to-be-supported body, the supporting leg in each supporting leg assembly is connected with the to-be-supported body through the mounting base structure, and the supporting legs rotate to be in the use state arranged in the vertical direction to support the to-be-supported body during use; and the supporting legs can also be rotated to be in a storage state of being arranged in the horizontal direction so as to be stored, so that different requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to support structure technical field, concretely relates to a support leg support and leveling device. BACKGROUND

[0002] The existing article to be transferred is placed into the trailer, and then the trailer is connected to the tail of the trailer vehicle by using the hook to transport. Generally, only two rollers are installed at the bottom of the trailer, and the trailer cannot be stably balanced after being disconnected from the trailer. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a support leg support and leveling device to solve the problem that the trailer cannot be stably balanced after being disconnected from the trailer in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a support leg support and leveling device is arranged at the bottom of the body to be supported and comprises a plurality of support leg assemblies matched with each other, each support leg assembly comprises:

[0005] A mounting seat structure is connected to the bottom of the body to be supported;

[0006] A support leg is rotatably connected to the mounting seat structure and has a use state of being arranged in the vertical direction and a storage state of being arranged in the horizontal direction.

[0007] Technical principle:

[0008] In the utility model, the body to be supported is a trailer, and the plurality of support leg assemblies cooperate to support the trailer after being disconnected from the trailer, so that the trailer is stably balanced. Specifically, when the trailer is connected to the trailer, the support leg in each support leg assembly is converted from the use state to the storage state to avoid the support leg hindering the operation of the trailer. When the trailer stops operating and needs to be disconnected from the trailer, the support leg in each support leg assembly is first converted from the storage state to the use state, and then the plurality of support leg assemblies cooperate to support the trailer, so that the trailer is stably balanced after being disconnected from the trailer.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] This outrigger support and leveling device mainly consists of multiple outrigger assemblies connected to the bottom of the object to be supported. Each outrigger assembly has an outrigger connected to the object to be supported via a mounting base structure. When in use, the outrigger rotates to a vertical position to support the object. The outrigger can also rotate to a horizontal position for storage to meet different needs. In this invention, the object to be supported is a trailer. After the trailer is disconnected from the trailer, the multiple outrigger assemblies work together to keep the trailer stably balanced. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0012] Figure 2 for Figure 1 A partial sectional view of section A in the middle;

[0013] Figure 3 for Figure 1 A partial sectional view of section B in the middle;

[0014] Figure 4 for Figure 1 A partial sectional view of section C.

[0015] The reference numerals in the accompanying drawings include: 1. Body to be supported; 2. Mounting base structure; 21. Mounting base; 22. Connecting seat; 23. Movable connecting groove; 3. Support leg; 31. Fixed cylinder; 32. Extension leg; 33. Adjusting screw; 34. Adjusting handle; 35. Driven bevel gear; 36. Guide groove; 37. Adjustable reinforcing locking element; 4. Limiting element; 5. Limiting cylinder; 51. Connecting strip; 52. Limiting block; 53. Detailed Implementation

[0016] The present invention will be further described in detail below through specific embodiments:

[0017] like Figure 1 As shown in the figure, this utility model embodiment proposes a leg support and leveling device, which is set at the bottom of the body 1 to be supported and includes multiple supporting leg assemblies. Each supporting leg assembly includes a mounting base structure 2 and a supporting leg 3. The mounting base structure 2 is connected to the bottom of the body 1 to be supported. The supporting leg 3 is rotatably connected to the mounting base structure 2 and has a use state where it is rotated to a vertical position and a storage state where it is rotated to a horizontal position.

[0018] In the utility model, the to be supported body 1 is a trailer, after the trailer and the trailer dolly are disconnected, multiple support leg assemblies cooperate to support the trailer, and the trailer is stably balanced, specifically: when the trailer is connected with the trailer dolly, the support leg 3 in each support leg assembly is converted from the use state to the storage state, so that the support leg 3 does not hinder the operation of the trailer with the trailer dolly; when the trailer stops running and needs to be disconnected with the trailer dolly, the support leg 3 in each support leg assembly is converted from the storage state to the use state, and then multiple support leg assemblies cooperate to support the trailer, so that the trailer is stably balanced after being disconnected with the trailer dolly.

[0019] The support leg supporting and leveling device is mainly composed of multiple support leg assemblies connected at the bottom of the to be supported body 1, the support leg 3 in each support leg assembly is connected with the to be supported body 1 through the mounting seat structure 2, the support leg 3 is arranged in the vertical direction in the use state during use to support the to be supported body 1, and the support leg 3 can also be arranged in the horizontal direction in the storage state to store the support leg 3, so as to meet different requirements; in the utility model, the to be supported body 1 is a trailer, so that multiple support leg assemblies can cooperate to stably balance the trailer after the trailer is disconnected with the trailer dolly.

[0020] It should be noted that: the to be supported body 1 is not limited to a trailer, and the structure adapted to the support leg supporting and leveling device can be used in cooperation.

[0021] In order to better understand the scheme, the structure in the utility model will be further optimized below.

[0022] As shown in Figure 1 , Figure 2 and Figure 3 , according to another embodiment of the utility model, the support leg supporting and leveling device, wherein the mounting seat structure 2 comprises a mounting base 21 and a connecting seat 22, the mounting base 21 is connected at the bottom of the to be supported body 1, and an active connection groove 23 is formed in the bottom along the vertical direction; the top of the connecting seat 22 is slidingly limited in the active connection groove 23 along the vertical direction, and a connecting notch is formed in the bottom side, and one end of the support leg 3 is rotatably connected in the connecting notch.

[0023] In the embodiment, the mounting seat structure 2 is mainly composed of the mounting base 21 and the connecting seat 22, wherein a limiting neck is formed at the opening of the bottom of the active connection groove 23, the connecting seat 22 specifically comprises a connecting block slidingly limited in the active connection groove 23 and a connecting part connected with the connecting block and passing through the opening of the bottom of the active connection groove 23, the connecting part is specifically inverted "U" type, and one end of the support leg 3 is rotatably connected in the connecting part.

[0024] When the support leg 3 is rotated to the storage state arranged in the horizontal direction, the connecting seat 22 needs to be moved outwardly to the movable connecting groove 23 until the connecting gap at the bottom of the connecting part penetrates outwardly to the movable connecting groove 23 and the connecting block is limited in the limiting neck. At this time, the support leg 3 can be rotated from the vertical state to the storage state arranged in the horizontal direction.

[0025] When the support leg 3 is rotated to the use state arranged in the vertical direction, the support leg 3 is first rotated from the horizontal direction to the use state arranged in the vertical direction, and then the support leg 3 is moved upwardly until the connecting block is moved upwardly to abut against the groove top of the movable connecting groove 23 and the connecting gap at the bottom of the connecting part slides into the movable connecting groove 23. Then, the top end of the support leg 3 slides into the movable connecting groove 23. The movable connecting groove 23 can limit the rotation of the support leg 3, thereby ensuring that the support leg 3 is stably arranged in the vertical direction.

[0026] As shown in Figure 1 , Figure 2 and Figure 3 , according to another embodiment of the utility model, the support leg supporting and leveling device, wherein the support leg 3 comprises a fixed cylinder 31, an extension leg 32 and an adjusting part, one end of the fixed cylinder 31 is rotationally connected with the mounting seat structure 2; one end of the extension leg 32 is slidingly connected in the other end of the fixed cylinder 31 along the length direction of the fixed cylinder 31; the adjusting part is connected between the fixed cylinder 31 and the extension leg 32 and is used for driving the extension leg 32 to slide into or out of the fixed cylinder 31.

[0027] When the support leg 3 is rotated to the use state arranged in the vertical direction, the extension leg 32 is made to slide out of the fixed cylinder 31 by the adjusting part until the extension leg 32 abuts against the ground to support; before the support leg 3 is rotated to the state arranged in the horizontal direction, the extension leg 32 is made to slide into the fixed cylinder 31 by the adjusting part until the fixed cylinder 31 and the extension leg 32 are shortened to the shortest state. Then, the support leg 3 can be rotated to the state arranged in the horizontal direction, so that the support leg 3 is the shortest during storage, thereby saving the occupied space.

[0028] Based on the above scheme:

[0029] The adjusting part comprises an adjusting screw 33, a guide structure and an adjusting handle 34. The adjusting screw 33 is arranged in the fixed cylinder 31 along the length direction of the fixed cylinder 31 and is threadedly connected with the extension leg 32. The guide structure is arranged between the fixed cylinder 31 and the extension leg 32 and is used for limiting the linear movement of the extension leg 32 when the adjusting screw 33 is rotated. The adjusting handle 34 is arranged outside the fixed cylinder 31 and one end of the adjusting handle 34 penetrates into the fixed cylinder 31 and is connected with the adjusting screw 33 through the steering transmission structure.

[0030] In the embodiment, the steering transmission structure comprises a driving bevel gear 35 and a driven bevel gear 36, the driving bevel gear 35 is arranged in the fixed cylinder 31 and connected with the adjusting handle 34, the driven bevel gear 36 is arranged in the fixed cylinder 31 and engaged with the driving bevel gear 35, and the driven bevel gear 36 is further connected with the adjusting screw rod 33. The guiding structure comprises guiding grooves 37 and limiting blocks, at least one guiding groove 37 is arranged on the inner wall of the fixed cylinder 31 along the moving direction of the extension leg 32, and one limiting block is slidably connected in each guiding groove 37 and fixedly connected with the extension leg 32.

[0031] When adjusting, the adjusting handle 34 is held and rotated at the end of the fixed cylinder 31, the driving bevel gear 35 is driven to rotate, the driving bevel gear 35 drives the driven bevel gear 36 to rotate, the driven bevel gear 36 drives the adjusting screw rod 33 to rotate, and the extension leg 32 is guided by the cooperation of the guiding grooves 37 and the limiting blocks during the rotation of the adjusting screw rod 33, so that the extension leg 32 slides in or out of the fixed cylinder 31, the relative length of the support leg 3 is changed to meet the use requirement.

[0032] Specifically, the number of guiding grooves 37 is two and arranged oppositely on the inner wall of the fixed cylinder 31, so that the movement of the extension leg 32 is more stable. The driven bevel gear 36 is fixedly connected with a positioning rod rotatably connected with the inner wall of the fixed cylinder 31, so that the driven bevel gear 36 is stably matched with the driving bevel gear 35, and the adjusting screw rod 33 is stably rotated and drives the extension leg 32 to stably move.

[0033] When the relative length of the support leg 3 is adjusted, in order to improve the connection stability between the fixed cylinder 31 and the extension leg 32, as shown in Figure 1 , Figure 2 and Figure 4 According to another embodiment of the utility model, the adjustable reinforcing locking part 4 is connected between the fixed cylinder 31 and the extension leg 32. When it is needed to move the extension leg 32 to change the relative length of the support leg 3, the adjustable reinforcing locking part 4 needs to be adjusted to release the locking between the fixed cylinder 31 and the extension leg 32.

[0034] In order to keep stable in the storage state during the adjustment of the support leg 3, the adjustable reinforcing locking part 4 is matched with a limiting part 5 arranged at the bottom of the body to be supported 1, and the limiting part 5 is matched with the adjustable reinforcing locking part 4 to keep the support leg 3 in the storage state when the support leg 3 is in the storage state. The adjustable reinforcing locking part 4 is reasonably utilized to cooperate with the limiting part 5 to limit and fix the support leg 3 after the adjustment of the support leg 3 to the storage state, so that the support leg 3 is stably kept in the storage state.

[0035] Based on the above scheme:

[0036] The adjustable reinforcing locking member 4 has a holding big head outside the fixed cylinder 31, the limiting member 5 comprises a limiting cylinder 51 and a limiting part, the limiting cylinder 51 is arranged along the vertical direction and one end thereof is fixedly connected at the bottom of the body to be supported 1; the limiting part is slidably connected with the limiting cylinder 51 along the horizontal direction and the holding big head is turned into the free end of the limiting cylinder 51 and is limited by the limiting part when the supporting leg 3 is turned to the storage state.

[0037] In the embodiment, the adjustable reinforcing locking member 4 can be a bolt, the bolt is threadedly connected with the fixed cylinder 31, the big head end of the bolt is the above-mentioned holding big head, the bolt is moved by rotating the bolt, until the bolt abuts against the extension leg 32, then the bolt locks between the extension leg 32 and the fixed cylinder 31; the bolt is reversely moved by reversely rotating the bolt, until the bolt is separated from the abutment against the extension leg 32, then the bolt is unlocked between the extension leg 32 and the fixed cylinder 31.

[0038] When the supporting leg 3 is turned to the storage state, the big head end of the bolt is turned into the free end of the limiting cylinder 51, the limiting part is slid to abut against the bottom of the big head end of the bolt, then the bolt is stably limited, so that the supporting leg 3 is stably kept in the storage state. The limiting part is reversely slid to be separated from the abutment against the bolt, then the supporting leg 3 can be turned to change from the storage state to the use state.

[0039] The limiting part comprises a connecting strip 52, one end of the connecting strip 52 is freely inserted into the limiting cylinder 51 along the horizontal direction and one end of the connecting strip 52 inserted into the limiting cylinder 51 is fixedly connected with a limiting block 53 for cooperating with the holding big head. Specifically, the connecting strip 52 is held at one end thereof outside the limiting cylinder 51 to move the connecting strip 52 outwardly of the limiting cylinder 51, so as to drive the limiting block to move outwardly of the limiting cylinder 51, until the limiting block abuts against the inner wall of the limiting cylinder 51, the limiting block is completely separated from the bolt, at this time, the supporting leg 3 can be turned, the bolt is easily turned out of the limiting cylinder 51. When the supporting leg 3 is turned to the storage state, the big head end of the bolt is turned into the free end of the limiting cylinder 51, the connecting strip 52 is held to move inwardly of the limiting cylinder 51, so as to drive the limiting block to move to abut against the bottom of the big head end of the bolt, then the bolt is stably limited, so that the supporting leg 3 is stably kept in the storage state.

[0040] When the trailer needs to be separated from the trailer:

[0041] First, the connecting strip 52 on each supporting leg 3 is held to move outwardly of the corresponding limiting cylinder 51, until the limiting block abuts against the inner wall of the corresponding limiting cylinder 51, the limiting block is completely separated from the corresponding bolt, at this time, the supporting leg 3 can be turned to the vertical state, the bolt is easily turned out of the limiting cylinder 51;

[0042] Then, the supporting leg 3 is moved upwardly, until the connecting block is moved upwardly to abut against the top of the movable connecting groove 23 and the connecting gap at the bottom side of the connecting part is slid into the movable connecting groove 23;

[0043] Then hold the bolt to rotate, drive the bolt to move out of the fixed cylinder 31, until the bolt and the extension leg 32 off the resistance;

[0044] Finally, you can hold the adjusting handle 34 to rotate, drive the extension leg 32 to slide out of the fixed cylinder 31, until the extension leg 32 and the ground resistance, hold the bolt to reverse rotation, drive the bolt to move to the fixed cylinder 31, until the bolt and the extension leg 32, you can support the trailer.

[0045] When the trailer and trailer connected with the trailer before running:

[0046] First hold the bolt to rotate, drive the bolt to move out of the fixed cylinder 31, until the bolt and the extension leg 32 off the resistance;

[0047] At this time you can hold the adjusting handle 34 to rotate, drive the extension leg 32 to slide into the fixed cylinder 31, until the support leg 3 shortens to the shortest state;

[0048] Then hold the bolt to reverse rotation, drive the bolt to move to the fixed cylinder 31, until the bolt and the extension leg 32;

[0049] Then move the connecting seat 22 out of the movable connecting groove 23, until the connecting gap at the bottom of the connecting part is worn out to the outside of the movable connecting groove 23 and the connecting block is limited in the limiting neck;

[0050] At this time you can rotate the support leg 3 to the storage state of the horizontal direction, the big end of the bolt is worn into the big end of the bolt, hold the connecting strip 52 to move into the limiting cylinder 51, drive the limiting block to move to the bottom of the big end of the bolt, the support leg 3 is stably kept in the storage state.

[0051] Finally, it is pointed out that the above examples are only used to illustrate the technical scheme of the present application, not to limit, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the present application can be modified or replaced, without departing from the purpose and scope of the present application technical scheme, it should be covered in the scope of the claims of the present application.

Claims

1. A support and leveling device for a support leg, the device being arranged at the bottom of a body to be supported, characterized in that, The supporting leg assembly comprises a plurality of supporting legs matched with each other, each of the supporting leg assemblies comprises: a mounting base structure connected to the bottom of the body to be supported; a supporting leg rotatably connected to the mounting base structure and having a use state arranged in a vertical direction and a storage state arranged in a horizontal direction.

2. A leg support and levelling device according to claim 1, characterised in that, The mounting base structure comprises: a mounting base connected to the bottom of the body to be supported and having an active connection groove formed in the bottom in a vertical direction; a connecting base having a connecting notch formed in the bottom side and being slidably connected to the active connection groove in a vertical direction, and one end of the supporting leg being rotatably connected to the connecting notch.

3. A leg support and levelling device according to claim 1 or 2, wherein, The supporting leg comprises: a fixing cylinder rotatably connected to the mounting base structure at one end; an extension leg slidably connected to the other end of the fixing cylinder in the length direction of the fixing cylinder; an adjusting part connected between the fixing cylinder and the extension leg for driving the extension leg to slide in or out of the fixing cylinder.

4. A leg support and levelling device according to claim 3, wherein, The adjusting part comprises: an adjusting screw arranged in the fixing cylinder in the length direction of the fixing cylinder and being threadedly connected to the extension leg; a guide structure arranged between the fixing cylinder and the extension leg for limiting the linear movement of the extension leg when the adjusting screw is rotated; an adjusting handle arranged outside the fixing cylinder and having one end penetrating into the fixing cylinder and being connected to the adjusting screw through a turning transmission structure.

5. A leg support and levelling device according to claim 4, wherein, The turning transmission structure comprises: a driving bevel gear arranged in the fixing cylinder and connected to the adjusting handle; a driven bevel gear arranged in the fixing cylinder and meshing with the driving bevel gear, and the driven bevel gear being further connected to the adjusting screw.

6. A support and levelling device for a support leg according to claim 4, characterised in that, The guide structure comprises: a guide groove formed on the inner wall of the fixing cylinder in the movement direction of the extension leg, and there is at least one guide groove; a limiting block slidably connected to each guide groove and being fixedly connected to the extension leg.

7. A wheel support and levelling device according to claim 4, wherein, An adjustable reinforcing locking member is connected between the fixing cylinder and the extension leg.

8. A leg support and levelling device according to claim 7, wherein, The adjustable reinforcing locking member is matched with a limiting member arranged at the bottom of the body to be supported, and when the supporting leg is in the storage state, the limiting member cooperates with the adjustable reinforcing locking member to keep the supporting leg in the storage state.

9. A leg support and levelling device according to claim 8, wherein, The adjustable reinforcing locking member has a holding knob outside the fixing cylinder, and the limiting member comprises: a limiting cylinder arranged in a vertical direction and having one end fixedly connected to the bottom of the body to be supported; a limiting part slidably connected to the limiting cylinder in a horizontal direction, and when the supporting leg is turned to the storage state, the holding knob is turned into the free end of the limiting cylinder and is limited by the limiting part.

10. A leg support and levelling device according to claim 9, wherein, The limiting part comprises: a connecting strip having one end freely penetrating into the limiting cylinder in a horizontal direction and having a limiting block fixedly connected to the end arranged in the limiting cylinder for cooperating with the holding knob.

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