CN-122009948-A - Car body skirt limit device and car body lifting appliance

CN122009948ACN 122009948 ACN122009948 ACN 122009948ACN-122009948-A

Abstract

The invention discloses a vehicle body skirt limit device and a vehicle body lifting appliance, which comprise two groups of side clamping limit structures, wherein the side clamping surfaces of the side clamping limit structures are in soft contact with a plurality of cushion bags along the vehicle body skirt, one side of each side clamping belt, which is far away from the vehicle body, is provided with a liquid injection pipe group communicated with the cushion bags, one end of each side clamping belt is in telescopic reset through a rolling rod in a containing box, a liquid storage box and a liquid return plate connected with a hydraulic spring are also arranged in the containing box and are used for buffering and storing hydraulic oil, the vehicle body lifting appliance comprises a back swing structure, a piston body of a driving liquid chamber in an outer pipe body of the vehicle body is matched with a spiral groove through limiting convex points, the gravity of the vehicle body drives the piston body to rotate upwards during lifting so as to realize automatic return of the vehicle body, an angle sensor is arranged in the limiting rod, and is linked with an electric push rod and a supporting frame, so that the piston body movement section and a rotation angle are accurately matched.

Inventors

HE SHILONG
GUO SHENG
GONG QINGTAO
ZHANG SHUNING
TENG YAO
SHEN KECHANG
GUO YANLI
LI KANGQIANG
LI XIN
MA BINJIE

Assignees

鲁东大学

Dates

Publication Date: 20260512
Application Date: 20260330

Claims (9)

1. A vehicle body shirt rim stop device, its characterized in that includes: the side clamp limiting structures (2) are arranged in a group, and are attached and bound at skirt edges at two sides of the lifting car during lifting; The side clamp limiting structure (2) comprises a side clamp belt (23), a plurality of cushion bags (231) are integrally arranged on the surface of the side clamp belt (23) from top to bottom in a soft contact manner along the surface of the skirt edge of the vehicle body, and a liquid injection pipe group (232) is arranged on the side surface, far away from the vehicle body, of the side clamp belt (23) in a communicating manner with the cushion bags (231).
2. The vehicle body skirt limit device according to claim 1, wherein the side clamp limit structure (2) further comprises a hanging beam (21), the length of the hanging beam (21) is greater than or equal to the length of a lifted vehicle, a plurality of hanging lugs are integrally welded on the upper surface and the lower surface, the hanging lugs on the upper side and the lower side are respectively connected and bound with hanging lugs on the surface of the backswing structure (1) and binding bands (22) in a penetrating mode through steel wires, and after the binding bands (22) are bound on hubs, the side clamp bands (23) are integrally sewn on one side, close to the skirt, of the binding bands (22).
3. A vehicle body skirt limit device according to claim 1, wherein one end of each side strap (23) is wound and fixed in a containing chamber arranged on the same side as the corresponding side strap (23) in the containing box (24), a winding rolling rod (244) which is similar to a tape measure and is reset after twisting is arranged in the containing chamber, the main body of the containing box (24) protrudes downwards from the side strap (23), a liquid storage box (241) is arranged in the protruding part, at least one hydraulic spring (242) is matched below the inner part of the liquid storage box (241) and is elastically connected with a liquid return plate (243), an interface, which is matched with the bottom surface of the containing box (24) and is communicated with the inner part of the liquid storage box (241), is communicated with a liquid injection pipe group (232) through a pipeline, and the liquid injection pipe group (232) consists of a plurality of pipelines communicated with a soft cushion bag (231) and a main pipeline for rectifying the pipelines.
4. A body sling for use with a body skirt limit device as defined in any one of claims 1 to 3, comprising: The upper surface and the lower surface of the backswing structure (1) are provided with lifting lugs, and the lifting lugs above are connected and bound with hoisting equipment through steel wire ropes; The backswing structure (1) comprises an outer tube body (11), a driving liquid chamber (111) penetrating up and down is arranged in the outer tube body (11), a piston body (112) is matched with the lower part in the driving liquid chamber (111) in a sliding sealing manner, two limiting protruding points (113) are integrally formed in the middle position of the side face of the piston body (112) along the axis symmetry, the piston body (112) can be matched with the limiting protruding points (113) to move upwards along a spiral groove (114) concavely formed in the inner wall of the driving liquid chamber (111) under the action of the gravity force of a crane in the hoisting process, the upper end of the piston body (112) is matched with an assembling seat (122) after penetrating out of the outer tube body (11) in a sliding manner, the center position of the bottom face of a hoisting connecting piece (12) in a sliding manner is connected through bolts, a plurality of electric pushing rods (117) are positioned in the lower part in the inner side of the driving liquid chamber (111) in an inserted manner, the output ends of the electric pushing rods (117) are all connected with C-shaped supporting frames (118) through bolts, the supporting frames (118) are restrained in a sliding manner in the inner part of the driving liquid chamber (11) along a spiral groove (114) concavely formed in one body, the inner wall of the driving liquid chamber (111) is matched with the inner tube body (112) in the inner wall of the driving liquid chamber (111), one end of the piston body (112) is matched with the piston body (112) in the inner end of the piston body (112) in a sliding groove (112), and carry out slip constraint at hole inslot cooperation spacing spring (132) to gag lever post (131), the lower extreme of gag lever post (131) is worn out the back by the arris hole of outer body (11) bottom and is connected with jack-up base (13) an organic whole, the inside of gag lever post (131) possesses the angle sensor that carries out rotation detection to jack-up base (13), and angle sensor passes through the angle signal transmission of circuit pair detection to electric putter (117).
5. The body sling according to claim 4, wherein the rod body of the piston body (112) is sleeved with a return spring (115), and elastic limitation in the driving liquid chamber (111) is performed by the return spring (115), wherein the gravity of the swing back structure (1) and the side clamping limiting structure (2) is insufficient to elastically deform the return spring (115).
6. The vehicle body sling according to claim 4, wherein the side surface of the outer tube body (11) is provided with an interface for circulating hydraulic oil stored therein at a position corresponding to the upper part inside the driving liquid chamber (111), and the interface is connected with the liquid filling tube group (232) by a matching pipeline, thereby realizing the communication between the driving liquid chamber (111) and the cushion bag (231).
7. A vehicle body sling as defined in claim 4, wherein the lifting connection member (12) is connected to the lifting device by means of a wire rope in cooperation with the upper surface-integrated hanger.
8. The vehicle body sling according to claim 4, wherein the bottom surface of the lifting connecting piece (12) is matched with a rotating sleeve (121) in a rotating constraint and matching manner of pushing up a center to insert, and the lower ring surface of the rotating sleeve (121) is integrally and movably connected with a plurality of passive telescopic hydraulic rods (116) through mounting seats, wherein the hydraulic rods (116) are inserted and positioned in an assembly groove which is arranged above the inner part of the outer tube body (11) and surrounds the driving liquid chamber (111).
9. The lifting appliance for a vehicle body according to claim 4, wherein the bottom surface of the lifting base (13) is provided with a plurality of integrated hanging lugs, the hanging lugs are matched with steel wires to be connected and bound with two hanging beams (21), the hanging beams (21) are composed of an end plate sliding along a hole groove where the hanging beams are located, a prism connected with the end plate and a cylinder with a radius smaller than that of the prism, the prism is connected with the lifting base (13), the cylinder is movably positioned in a prismatic hole at the bottom of the outer tube body (11) in the initial stage, and the gravity action of the side clamping limiting structure (2) is insufficient to enable the limiting spring (132) to elastically deform.

Description

Car body skirt limit device and car body lifting appliance Technical Field The invention relates to the technical field of hoisting equipment, in particular to a vehicle body skirt limit device and a vehicle body lifting appliance. Background Under the background of deep popularization of global energy transformation and environmental protection concepts, the new energy vehicle becomes the core direction of upgrading of the automobile industry by virtue of the core advantages of zero emission and low energy consumption, the market permeability is continuously improved, higher requirements are provided for the comprehensive performance of a vehicle body structure, the skirt edge of the vehicle body serves as a key component part of the side surface of the vehicle body, the design and the function adaptation of the skirt edge are directly related to the overall performance of the new energy vehicle, the core development requirements of light weight and aerodynamic optimization of the whole vehicle are met, the boosting endurance capability is improved, the overall and streamline trial and aesthetic requirements of a user on the appearance of the vehicle body are met, meanwhile, the layout characteristics of the new energy vehicle chassis are required to be adapted, the compliance protection and the installation support are provided for core components such as a battery pack and a motor, the important design links for balancing the performance, the appearance and the practicability of the vehicle are become, and the importance of the vehicle is increasingly significant in the integrated design of the whole vehicle along with the iterative upgrading of the new energy vehicle technology. However, in the whole-vehicle lifting operation of the conventional new energy automobile, after the skirt edge of the automobile body is bound by the binding belt, surface abrasion is easy to occur in the moving process, the abrasion not only can damage the integrity of the appearance of the automobile body and influence the attractiveness of the automobile, but also can cause the coating of the skirt edge to fall off and the structure to be damaged, thereby increasing the maintenance cost of the automobile and the economic loss of the lifting operation and bringing unnecessary trouble to users. Therefore, a vehicle body skirt limit device and a vehicle body lifting appliance are provided. Disclosure of Invention The invention aims to provide a vehicle body skirt limit device and a vehicle body lifting appliance, which are used for solving the problem of skirt surface abrasion during lifting of a new energy vehicle. In order to achieve the above purpose, the invention provides a vehicle body skirt limit device, comprising: the side clamp limiting structures are arranged in a group, and are attached and bound at skirt edges at two sides of the lifting car during lifting; The side clamp limiting structure comprises a side clamp belt, a plurality of cushion bags are integrally arranged on the surface of the side clamp belt along the surface of the skirt edge of the vehicle body in a soft contact manner from top to bottom, and a liquid injection pipe group is arranged on the side surface far away from the vehicle body and communicated with the cushion bags. Preferably, the side clamp limiting structure further comprises a hanging beam, the length of the hanging beam is greater than or equal to the length of a lifted vehicle, a plurality of hanging lugs are integrally welded on the upper surface and the lower surface, the hanging lugs on the upper side and the lower side are respectively connected and bound with hanging lugs on the surface of the backswing structure through steel wire ropes in an interpenetration mode, and after the binding of the binding belt on the hub, the side clamping belt is integrally stitched on one side of the binding belt close to the skirt edge. Preferably, one end of the side strap is wound and fixed in a containing chamber corresponding to the side strap arranged on the same side in the containing chamber, a winding rolling rod which is similar to a tape measure and is reset after twisting is arranged in the containing chamber, the main body of the containing chamber protrudes downwards from the side strap, a liquid storage chamber is arranged in the protruding portion, at least one hydraulic spring is matched below the liquid storage chamber, and a liquid return plate is elastically connected with the liquid storage chamber, wherein an interface of the containing chamber matched bottom surface and the liquid storage chamber is communicated with a liquid injection pipe set through a pipeline, and the liquid injection pipe set consists of a plurality of pipelines communicated with a soft cushion bag and a main pipeline for rectifying the pipelines. A body sling, comprising: The upper surface and the lower surface of the swing structure are provided with lifting lugs, and the lifting lugs above are connec