Sheet metal maintaining and stretching device capable of being rapidly installed

By designing the locking mechanism and gear hole structure, the problem of complicated connection between the pulling tower and the lifting platform is solved, rapid installation and multi-degree-of-freedom adjustment are achieved, and the work efficiency and stability of sheet metal maintenance are improved.

CN223394081UActive Publication Date: 2025-09-30YANTAI YOULI MECHANICAL & ELECTRICAL EQUIP
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Patent Information

Application Number
CN202422772793.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-09-30
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

The connection between the existing pull tower and the lifting platform is cumbersome and time-consuming, making it difficult to achieve quick disassembly and assembly and a stable connection, and cannot meet the rapid installation requirements of sheet metal repairs.

Method used

A sheet metal repair stretching device including a locking mechanism is designed. Through the cooperation of claws, limit rods and inclined irons, it can achieve rapid connection and disassembly with the lifting platform, and through the cooperation of gear holes and cylinders, multi-degree-of-freedom adjustment and precise positioning can be achieved.

Benefits of technology

It realizes the fast and convenient installation and disassembly of the pulling tower and lifting platform, adapts to different sheet metal repair needs, and improves work efficiency and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile maintenance equipment, in particular to a sheet metal maintenance stretching device capable of being installed quickly, which comprises a locking mechanism, the locking mechanism comprises a first clamping jaw, a second clamping jaw and a limiting rod, the limiting rod penetrates through the second clamping jaw, one end of the first clamping jaw is provided with a first through hole, and the other end of the first clamping jaw is provided with a second through hole. The first inclined iron penetrates through the first through hole to abut against the end face of the limiting rod, and a longitudinal beam of the lifting platform is clamped in an area defined by the first clamping jaw, the second clamping jaw and the limiting rod. During installation, only the locking mechanism needs to be clamped on the girder correction instrument, then the two inclined irons are inserted into the through holes of the first clamping jaw and the second clamping jaw respectively, after use is completed, only the two inclined irons need to be knocked out, disassembly and assembly can be completed, disassembly and assembly are very convenient, and time and labor are saved. The gear holes are formed in the two ends of the bottom beam respectively, multi-degree-of-freedom adjustment can be conducted on the position of the main pull tower relative to the girder correction instrument, accurate positioning is achieved, and different metal plate maintenance requirements are met.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile maintenance equipment, in particular to a sheet metal maintenance stretching device that can be quickly installed. Background Art

[0002] During auto sheet metal repairs, multiple pull tabs are glued or welded to the sunken areas of the car body. These pull tabs are then pulled by a pull tower, stretching and correcting the sunken car body to restore it to its original shape. However, the pull tower and its associated equipment are typically very heavy, requiring considerable effort and time to move and position. Furthermore, conventional pull towers are connected to lifting platforms using multiple bolts and other fastening devices. These steps are cumbersome and time-consuming, and fail to fully address the need for rapid assembly and disassembly, resulting in the need to readjust and re-fix multiple components for each assembly and disassembly.

[0003] Utility model patent application number 202222597151.2 discloses a combined lifting tower for a beam straightening instrument. This structure is securely connected to the beam straightening instrument by inserting a plug-in end on a connector into a socket and locking it with a connector locking structure. However, this structure is not suitable for the lifting platform of the beam straightening instrument in this application, and this technical solution cannot solve the technical problem in this application. Utility Model Content

[0004] Technical purpose: In order to overcome the deficiencies in the prior art, the utility model provides a sheet metal repair and stretching device that can be quickly installed to achieve rapid disassembly and assembly and a stable connection between the pulling tower and the lifting platform.

[0005] Technical solution: In order to achieve the above-mentioned purpose, the utility model discloses a sheet metal repair and stretching device that can be quickly installed, including a locking mechanism, which includes claw 1, claw 2 and a limit rod, and the limit rod passes through claw 2. One end of claw 1 is provided with a through hole 1, and an inclined iron 1 passes through the through hole 1 and abuts against the end face of the limit rod. The longitudinal beam of the lifting platform is clamped in the area enclosed by claw 1, claw 2 and the limit rod.

[0006] Furthermore, a second through hole is provided at one end of the second clamping claw, and the second oblique iron passes through the second through hole and abuts against the side wall of the limiting rod.

[0007] Furthermore, a limiting block is provided at the end of the limiting rod, and the longitudinal beam of the lifting platform is clamped in the area enclosed by the clamping claw 1, the clamping claw 2 and the limiting block; the end face of the limiting rod used to abut against the inclined iron 1 is set to be conical.

[0008] Furthermore, the other end of the first clamping claw is provided with a first convex portion, and the other end of the second clamping claw is provided with a second convex portion.

[0009] Furthermore, it also includes a crossbeam, the locking mechanism is arranged at the end of the crossbeam, and the longitudinal beam of the lifting platform is clamped in the area enclosed by the first and second clamping claws, the limit block and the crossbeam.

[0010] Furthermore, it also includes a bottom beam, the end of which is connected to the other end of the cross beam; a plurality of gear holes 1 and a plurality of gear holes 2 are respectively provided at both ends of the bottom beam, and the gear holes 1 and the gear holes 2 are arranged in a fan shape, and the bottom beam is also provided with a connecting piece 1 for connecting the cylinder; the cross beam is provided with a through hole 3 that matches the gear hole 1.

[0011] Furthermore, a push-pull handle and a plurality of moving wheels are provided on the bottom beam.

[0012] Furthermore, it also includes a main pulling tower, which is provided with linearly arranged hanging teeth, a second connector for connecting to a cylinder, and a third gear hole provided at the end of the main pulling tower, and a cylinder is provided between the first connector and the second connector.

[0013] Furthermore, a connecting plate is hinged at the end of the main pulling tower, and the gear hole three is arranged on the connecting plate.

[0014] Furthermore, there are at least two gear holes three, and the gear holes three correspond to the positions of the gear holes two.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects:

[0016] 1. By setting up a locking mechanism and utilizing the interaction of claw 1, claw 2, the limit rod, and two inclined irons, the stretching device of the utility model can be firmly connected to the beam straightener. During installation, it is only necessary to clamp the locking mechanism to the beam straightener and then insert the two inclined irons into the through holes of claw 1 and claw 2 respectively. After use, it can be disassembled by simply knocking out the two inclined irons. Both disassembly and assembly are very convenient, saving time and effort.

[0017] 2. By setting gear holes at both ends of the bottom beam, the position of the main pulling tower relative to the beam straightener can be adjusted with multiple degrees of freedom to achieve precise positioning and adapt to different sheet metal maintenance needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of the clamping beam straightening instrument for the stretching device of the utility model;

[0019] Figure 2 This is the main view of the locking mechanism;

[0020] Figure 3 Schematic diagram of the beam mechanism;

[0021] Figure 4Schematic diagram of the bottom beam structure;

[0022] Figure 5 Schematic diagram of the main pull tower structure.

[0023] In the figure, 10, locking mechanism; 11, claw one; 12, claw two; 13, limiting rod; 14, through hole one; 15, through hole two; 16, protrusion one; 17, protrusion two; 18, limiting block; 21, inclined iron one; 22, inclined iron two; 30, crossbeam; 31, through hole three; 40, bottom beam; 41, gear hole one; 42, gear hole two; 43, connecting piece one; 44, push-pull handle; 45, moving wheel; 50, main pulling tower; 51, hanging tooth; 52, connecting piece two; 53, gear hole three; 54, connecting plate; 60, cylinder. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1 To the attached Figure 5 The principles and features of the present invention are described, and the examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0025] A quickly installed sheet metal repair and stretching device comprises a locking mechanism 10, a crossbeam 30, a bottom beam 40, and a main pull tower 50, all connected in sequence. The locking mechanism 10 is provided at one end of the crossbeam 30 and is used to engage the lifting platform. The other end of the crossbeam 30 is rotatably connected to one end of the bottom beam 40, which in turn is connected to the main pull tower 50. A cylinder 60 is also provided between the bottom beam 40 and the main pull tower 50.

[0026] The locking mechanism 10 includes a first claw 11, a second claw 12, and a limiting rod 13. A space is provided on the second claw 12 for the limiting rod 13 to pass through. The limiting rod 13 passes through the second claw 12. One end of the first claw 11 is provided with a through hole 14. An inclined iron 1 21 passes through the through hole 14 and abuts against the end face of the limiting rod 13. The longitudinal beam of the lifting platform is clamped to the area enclosed by the first claw 11, the second claw 12, and the limiting rod 13. In order to make the connection between the stretching device and the lifting platform more secure, in one embodiment, a limiting block 18 is provided at the end of the other end of the limiting rod 13, the limiting rod 13 passes through the second claw 12, the end face of the limiting block 18 abuts against the end face of the second claw 12, one end of the second claw 12 is provided with a through hole 2 15, the second oblique iron 22 passes through the through hole 2 15 and abuts against the side wall of the limiting rod 13, thereby, the longitudinal beam of the lifting platform is connected to the area enclosed by the first claw 11, the second claw 12 and the limiting block 18. In one embodiment, the second through hole 15 can be a groove type. In one embodiment, the end face of the limiting rod 13 abutting against the oblique iron 1 21 is set to be conical. In one embodiment, the other end of the first claw 11 is provided with a protrusion 16, and the other end of the second claw 12 is provided with a protrusion 2 17, thereby, the first claw 11 and the second claw 12 can be more firmly and stably connected to the lifting platform using the protrusion 16 and the protrusion 2 17.

[0027] The locking mechanism 10 is provided at the end of the cross beam 30 . In one embodiment, the longitudinal beam of the lifting platform is clamped in the area enclosed by the first clamping claw 11 , the second clamping claw 12 , the limiting rod 13 and the cross beam 30 .

[0028] The ends of the bottom beam 40 are connected to the other ends of the crossbeam 30. Specifically, the two ends are hinged. The ends of the bottom beam 40 are respectively provided with a plurality of first shift holes 41 and a plurality of second shift holes 42. The first shift holes 41 and the second shift holes 42 are arranged in a fan-shaped pattern. The crossbeam 30 is provided with a third through hole 31 that matches the first shift hole 41. The third through hole 31 can be matched with a different first shift hole 41 as needed, and the two holes can be locked using a locking rod or the like. This design allows the bottom beam 40 and the main pull tower 50 to rotate relative to the beam alignment device to adjust the relative position of the main pull tower 50, thereby increasing the spatial freedom of movement of the tensioning device. In one embodiment, the end of the bottom beam 40 is provided with an inclined plate, which is arranged at a certain angle to the bottom beam 40, and the second shift hole 42 is located on the inclined plate. The bottom beam 40 is also provided with a connector 1 43 for connecting to the cylinder, a push-pull handle 44 for moving the tensioning device, and a plurality of movable wheels 45.

[0029] The main pull tower 50 is provided with linearly arranged hanging teeth 51, a second connector 52 for connecting to a cylinder, and a third gear hole 53 provided at the end of the main pull tower 50. The hanging teeth 51 are arranged along the extension direction of the main pull tower 50 and are used to hang the tension chain. A cylinder 60 is provided between the first connector 43 and the second connector 52. Specifically, a connecting plate 54 is hinged at the end of the main pull tower 50, and the third gear hole 53 is provided on the connecting plate 54. In order to make the connection between the main pull tower 50 and the bottom beam 40 more stable, at least two third gear holes 53 are provided, and the third gear hole 53 and the second gear hole 42 are provided in a corresponding position. Similarly, the third gear hole 53 can be matched with different second gear holes 42 as needed, further increasing the spatial freedom of movement of the stretching device.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sheet metal repair and stretching device that can be quickly installed, characterized in that: The invention comprises a locking mechanism (10), wherein the locking mechanism (10) comprises a first clamping claw (11), a second clamping claw (12) and a limiting rod (13), wherein the limiting rod (13) passes through the second clamping claw (12), one end of the first clamping claw (11) is provided with a first through hole (14), an inclined iron (21) passes through the first through hole (14) and abuts against the end face of the limiting rod (13), and the longitudinal beam of the lifting platform is clamped in the area enclosed by the first clamping claw (11), the second clamping claw (12) and the limiting rod (13); one end of the second clamping claw (12) is provided with a second through hole (15), and an inclined iron (22) passes through the second through hole (15) and abuts against the side wall of the limiting rod (13).

2. The sheet metal repair and stretching device that can be quickly installed according to claim 1 is characterized in that: A limiting block (18) is provided at the end of the limiting rod (13), and the longitudinal beam of the lifting platform is clamped in the area enclosed by the clamping claw 1 (11), the clamping claw 2 (12) and the limiting block (18); the end face of the limiting rod (13) used to abut against the inclined iron 1 (21) is set to be conical.

3. The sheet metal repair and stretching device that can be quickly installed according to claim 2 is characterized in that: The other end of the first clamping claw (11) is provided with a first convex portion (16), and the other end of the second clamping claw (12) is provided with a second convex portion (17).

4. The sheet metal repair and stretching device that can be quickly installed according to claim 2 is characterized in that: It also includes a crossbeam (30), the locking mechanism (10) is arranged at the end of the crossbeam (30), and the longitudinal beam of the lifting platform is clamped in the area enclosed by the clamping claw 1 (11), the clamping claw 2 (12), the limit block (18) and the crossbeam (30).

5. The sheet metal repair and stretching device that can be quickly installed according to claim 4 is characterized in that: The invention also includes a bottom beam (40), the end of which is connected to the other end of the cross beam (30); a plurality of first shift holes (41) and a plurality of second shift holes (42) are respectively provided at both ends of the bottom beam (40), and the first shift holes (41) and the second shift holes (42) are arranged in a fan shape; the bottom beam (40) is also provided with a connecting piece (43) for connecting to a cylinder; and the cross beam (30) is provided with a through hole (31) that matches the first shift hole (41).

6. The sheet metal repair and stretching device that can be quickly installed according to claim 5 is characterized in that: The bottom beam (40) is also provided with a push-pull handle (44) and a plurality of moving wheels (45).

7. The sheet metal repair and stretching device capable of rapid installation according to claim 5, characterized in that: The invention also includes a main pulling tower (50), on which hanging teeth (51) arranged in a straight line, a second connecting piece (52) for connecting to a cylinder, and a third shift hole (53) arranged at the end of the main pulling tower (50), and a cylinder (60) is arranged between the first connecting piece (43) and the second connecting piece (52).

8. The sheet metal repair and stretching device that can be quickly installed according to claim 7 is characterized in that: The end of the main pulling tower (50) is hinged with a connecting plate (54), and the gear hole three (53) is arranged on the connecting plate (54).

9. The sheet metal repair and stretching device that can be quickly installed according to claim 8 is characterized in that: There are at least two gear holes (53) provided, and the gear holes (53) correspond to the positions of the gear holes (42).

Citation Information

Patent Citations

  • Pulling tower for combined girder calibration instrument

    CN218532587U