Sheet metal workpiece bending device

By designing positioning and auxiliary structures, and using servo motors to drive bidirectional lead screws and rubber pads to fix sheet metal parts, the problems of time-consuming position adjustment and slippage misalignment in existing technologies are solved, achieving stable fixing and efficient bending of sheet metal parts.

CN223518353UActive Publication Date: 2025-11-07SUZHOU HENGSHENGDA PRECISION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423048214.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-07
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing sheet metal bending devices consume a lot of time when adjusting the position of sheet metal parts of different sizes and shapes, resulting in low processing efficiency. Furthermore, the sheet metal parts are unstable during processing and are prone to slippage and misalignment, which affects the processing quality.

Method used

Employing a positioning and auxiliary structure, a servo motor drives a bidirectional lead screw to slide the push rod. Sheet metal parts are fixed by rectangular blocks and rubber pads. Combined with rubber rollers and elastic telescopic rods, this achieves stable fixing and accurate position adjustment of the sheet metal parts, avoiding problems such as hard extrusion and curling.

Benefits of technology

It improves the accuracy and quality of sheet metal bending, avoids sheet metal damage and jamming problems, and enhances processing efficiency and stability.

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Abstract

The utility model discloses a sheet metal workpiece bending device, which relates to the technical field of sheet metal processing, and comprises a base, the top end of the base is fixedly connected with a bracket, the top end of the bracket is fixedly provided with a hydraulic rod, and the output end of the hydraulic rod extends to the bottom end of the top of the bracket. According to the bending device for the sheet metal workpiece, through the effect of the positioning structure, the first servo motor drives the two-way lead screw to rotate, then the two push rods are driven to slide in the opposite directions, then the ejector block slides in the direction of the sheet metal part, the sheet metal part is extruded by the rectangular block and the rubber pad, and then the sheet metal part is fixed; meanwhile, the ejector blocks on the two sides of the support are independently controlled, so that the left-right position of the sheet metal part can be adjusted in real time according to the size, the shape and the preset bending angle of the sheet metal part, then the bending accuracy of the sheet metal part is guaranteed, and under the action of a rubber pad and a damper, the problem that the sheet metal part is damaged due to rigid extrusion on the sheet metal part can be avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal processing technical field especially relates to a sheet metal processing piece bending device. BACKGROUND

[0002] Sheet metal processing piece bending device is indispensable equipment in sheet metal processing, and the basic principle of sheet metal bending process is to utilize the plastic deformation of metal to manufacture the parts or components with required shape and size. In the bending process, the metal plate is gradually formed into the required shape and size through a series of bending, forming and other processes.

[0003] The prior art sheet metal processing piece bending device mainly comprises a base, a support, a hydraulic rod, a pressing plate, an extrusion block and a bending die. When in use, the sheet metal part is placed on the bending die, the hydraulic rod is driven to press the extrusion block downward to the bending die, and the sheet metal part can be bent into a predetermined shape under the cooperation of the bending die. However, in actual use, the positions required to be bent for sheet metal parts of different sizes and shapes are different, and a lot of time is often consumed when adjusting the position of the sheet metal part, which leads to low processing efficiency of the sheet metal part. Meanwhile, the sheet metal part cannot be stably fixed during processing, which may cause problems such as slipping and mispositioning, thereby affecting the processing quality of the sheet metal part.

[0004] Therefore, a sheet metal processing piece bending device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art, the positions required to be bent for sheet metal parts of different sizes and shapes are different, and a lot of time is often consumed when adjusting the position of the sheet metal part, which leads to low processing efficiency of the sheet metal part. Meanwhile, the sheet metal part cannot be stably fixed during processing, which may cause problems such as slipping and mispositioning, thereby affecting the processing quality of the sheet metal part. A sheet metal processing piece bending device is proposed.

[0006] The utility model discloses a technical scheme that solves its technical problem is adopted: a sheet metal workpiece bending device, including base, the top fixedly connected of base has the support, the top fixed mounting of support has the hydraulic pressure rod, the output of hydraulic pressure rod extends to the bottom of support top, the output fixedly connected of hydraulic pressure rod has the pressing plate, the middle fixedly connected of pressing plate bottom has the extrusion block, the middle fixed mounting of base top has the bending mould, the middle fixed mounting of support has the positioning structure, the bottom fixed mounting of pressing plate has the auxiliary structure, the positioning structure includes the servo motor no.

[0007] Preferably, the inside of the rectangular block is fixedly connected with a round rod one, the outer wall of the round rod one is symmetrically connected with a sliding block, the side close to the bending mould of the two sliding blocks is fixedly connected with an inclined surface block, the side away from the sliding block of the two sliding blocks is fixedly connected with a spring one, and the end away from the sliding block of the two springs one is fixedly connected with the inner wall of the rectangular block.

[0008] Preferably, the side close to the top block of the pushing rod is rotatably connected with a ball bearing, and the outer wall of the ball bearing is lapped with the inner wall of the groove on the two sides of the top block.

[0009] Preferably, the side away from the bending mould of the top block is fixedly connected with a limiting block, one side of the support is fixedly connected with a fixed plate, the side close to the bending mould of the fixed plate is fixedly connected with an elastic band, and the side away from the fixed plate of the elastic band is fixedly connected with the side away from the bending mould of the top block.

[0010] Preferably, the auxiliary structure includes a top plate, the bottom end of the top plate is fixedly connected with a sliding rod, the outer wall of the sliding rod is slidably connected with the middle part of the pressing plate, the bottom end of the sliding rod is fixedly connected with a bottom frame, the opposite surfaces of the bottom of the bottom frame are rotatably connected with rubber rollers, the top end of the bottom frame is fixedly connected with a spring two, the top end of the spring two is fixedly connected with the bottom end of the pressing plate, and the spring two is located outside the bottom end of the sliding rod.

[0011] Preferably, the auxiliary structure includes a top plate, the bottom end of the top plate is fixedly connected with a slide rod, the outer wall of the slide rod is slidably connected with the middle part of the pressing plate, the bottom end of the slide rod is fixedly connected with a bottom frame, the opposite surfaces of the bottom of the bottom frame are rotatably connected with rubber rollers, the top end of the bottom frame is fixedly connected with a spring two, the top end of the spring two is fixedly connected with the bottom end of the pressing plate, and the spring two is located outside the bottom end of the slide rod.

[0012] Preferably, the top end of the base is fixedly installed with a servo motor two, the output end of the servo motor two is fixedly connected with a take-up reel, the outer wall of the take-up reel is fixedly connected with a hanging rope, the top end of the hanging rope extends to the inside of the bending die, the top end of the hanging rope is fixedly connected with the middle part of the bottom end of the rectangular plate, the inside of the bending die is fixedly connected with a round rod two, and the outer wall of the round rod two is overlapped with the outer wall of the hanging rope.

[0013] Due to the adoption of the above technical scheme, the technical progress achieved by the present application relative to the prior art is:

[0014] 1. The sheet metal workpiece bending device provided by the present application can realize the real-time adjustment of the left and right positions of the sheet metal workpiece according to the size, shape and predetermined bending angle of the sheet metal workpiece, thereby ensuring the accuracy of the bending of the sheet metal workpiece.

[0015] 2. The sheet metal workpiece bending device provided by the present application can avoid the problem of edge curling of the sheet metal workpiece during bending, thereby improving the bending quality of the sheet metal workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the overall structure of the present application;

[0017] Figure 2 It is a schematic view of the structure of the positioning structure of the present application;

[0018] Figure 3 It is a schematic view of the sectional structure of the rectangular block of the present application;

[0019] Figure 4The utility model discloses a limiting rod structure schematic diagram for the utility model.

[0020] Figure 5 The utility model discloses a rubber round roller structure schematic diagram.

[0021] Figure 6 The utility model discloses a bending die section structure schematic diagram.

[0022] In the drawing: 1, base, 2, support, 3, hydraulic rod, 4, pressing plate, 5, extruding block, 6, bending die, 7, positioning structure, 71, servo motor one, 72, two -way screw rod, 73, limiting rod, 74, push rod, 75, top block, 76, damper, 77, rectangular block, 78, rubber pad, 79, round rod one, 710, spring one, 711, sliding block, 712, inclined surface block, 713, ball, 714, fixed plate, 715, elastic band, 716, limiting block, 8, auxiliary structure, 81, top plate, 82, slide bar, 83, spring two, 84, bottom frame, 85, rubber roller, 86, rectangular plate, 87, elastic telescopic rod, 88, round rod two, 89, hanging rope, 810, servo motor two, 811, take-up reel. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.

[0024] The following gives specific embodiments.

[0025] Please refer to Figure 1 - Figure 6The utility model provides a technical scheme: a sheet metal workpiece bending device, including base 1, the top fixedly connected with support 2 of base 1, the top fixedly installed with hydraulic rod 3 of support 2, the output of hydraulic rod 3 extends to the bottom of support 2 top, the output fixedly connected with pressing plate 4 of hydraulic rod 3, the middle part fixedly connected with extruding block 5 of pressing plate 4 bottom, the middle part fixedly installed with bending mould 6 of base 1 top, the middle part fixedly installed with positioning structure 7 of support 2, the bottom fixedly installed with auxiliary structure 8 of pressing plate 4, positioning structure 7 includes the servo motor one 71 of fixedly connected in support 2 front end, the output fixedly connected with two -way screw rod 72 of servo motor one 71, the outer wall symmetrical screw thread connection has push rod 74 of two -way screw rod 72, the opposite surface fixedly connected with limit rod 73 in the inside of support 2, the outer wall of limit rod 73 and the middle part sliding connection of push rod 74, the side sliding connection of two push rod 74 near bending mould 6 has top block 75, the side fixedly connected with damper 76 of top block 75 near bending mould 6, the output fixedly connected with rectangular block 77 of damper 76, the side fixedly connected with rubber pad 78 of rectangular block 77 near bending mould 6, drive servo motor one 71, and then drive two -way screw rod 72 rotation, and then drive two push rod 74 relative sliding, and then make top block 75 slide to sheet metal piece direction, and then make rectangular block 77 and rubber pad 78 extrude sheet metal piece, and then fix sheet metal piece, simultaneously, the side top block 75 of support 2 is controlled separately, so that can according to the size shape and predetermined bending angle of sheet metal piece real -time adjustment sheet metal piece's left and right positions, and then guarantee the accuracy of sheet metal piece bending, under the action of rubber pad 78 and damper 76, can avoid the hard extrusion to sheet metal piece, and then lead to the problem of sheet metal piece damage.

[0026] As Figure 3 The utility model discloses a technical scheme: a sheet metal workpiece bending device, including base 1, the top fixedly connected with support 2 of base 1, the top fixedly installed with hydraulic rod 3 of support 2, the output of hydraulic rod 3 extends to the bottom of support 2 top, the output fixedly connected with pressing plate 4 of hydraulic rod 3, the middle part fixedly connected with extruding block 5 of pressing plate 4 bottom, the middle part fixedly installed with bending mould 6 of base 1 top, the middle part fixedly installed with positioning structure 7 of support 2, the bottom fixedly installed with auxiliary structure 8 of pressing plate 4, positioning structure 7 includes the servo motor one 71 of fixedly connected in support 2 front end, the output fixedly connected with two -way screw rod 72 of servo motor one 71, the outer wall symmetrical screw thread connection has push rod 74 of two -way screw rod 72, the opposite surface fixedly connected with limit rod 73 in the inside of support 2, the outer wall of limit rod 73 and the middle part sliding connection of push rod 74, the side sliding connection of two push rod 74 near bending mould 6 has top block 75, the side fixedly connected with damper 76 of top block 75 near bending mould 6, the output fixedly connected with rectangular block 77 of damper 76, the side fixedly connected with rubber pad 78 of rectangular block 77 near bending mould 6, drive servo motor one 71, and then drive two -way screw rod 72 rotation, and then drive two push rod 74 relative sliding, and then make top block 75 slide to sheet metal piece direction, and then make rectangular block 77 and rubber pad 78 extrude sheet metal piece, and then fix sheet metal piece, simultaneously, the side top block 75 of support 2 is controlled separately, so that can according to the size shape and predetermined bending angle of sheet metal piece real -time adjustment sheet metal piece's left and right positions, and then guarantee the accuracy of sheet metal piece bending, under the action of rubber pad 78 and damper 76, can avoid the hard extrusion to sheet metal piece, and then lead to the problem of sheet metal piece damage.

[0027] As Figure 4 The utility model discloses a technical scheme: a sheet metal workpiece bending device, including base 1, the top fixedly connected with support 2 of base 1, the top fixedly installed with hydraulic rod 3 of support 2, the output of hydraulic rod 3 extends to the bottom of support 2 top, the output fixedly connected with pressing plate 4 of hydraulic rod 3, the middle part fixedly connected with extruding block 5 of pressing plate 4 bottom, the middle part fixedly installed with bending mould 6 of base 1 top, the middle part fixedly installed with positioning structure 7 of support 2, the bottom fixedly installed with auxiliary structure 8 of pressing plate 4, positioning structure 7 includes the servo motor one 71 of fixedly connected in support 2 front end, the output fixedly connected with two -way screw rod 72 of servo motor one 71, the outer wall symmetrical screw thread connection has push rod 74 of two -way screw rod 72, the opposite surface fixedly connected with limit rod 73 in the inside of support 2, the outer wall of limit rod 73 and the middle part sliding connection of push rod 74, the side sliding connection of two push rod 74 near bending mould 6 has top block 75, the side fixedly connected with damper 76 of top block 75 near bending mould 6, the output fixedly connected with rectangular block 77 of damper 76, the side fixedly connected with rubber pad 78 of rectangular block 77 near bending mould 6, drive servo motor one 71, and then drive two -way screw rod 72 rotation, and then drive two push rod 74 relative sliding, and then make top block 75 slide to sheet metal piece direction, and then make rectangular block 77 and rubber pad 78 extrude sheet metal piece, and then fix sheet metal piece, simultaneously, the side top block 75 of support 2 is controlled separately, so that can according to the size shape and predetermined bending angle of sheet metal piece real -time adjustment sheet metal piece's left and right positions, and then guarantee the accuracy of sheet metal piece bending, under the action of rubber pad 78 and damper 76, can avoid the hard extrusion to sheet metal piece, and then lead to the problem of sheet metal piece damage.

[0028] AsFigure 4 As shown, the top block 75 is fixedly connected with a limiting block 716 away from one side of the bending die 6, and the bracket 2 is fixedly connected with a fixed plate 714 on one side, and the fixed plate 714 is fixedly connected with an elastic band 715 on the side close to the bending die 6, and the elastic band 715 is fixedly connected with the top block 75 on the side away from the fixed plate 714. When the top block 75 is driven to reset, the elastic band 715 gives the top block 75 a pulling force, thereby avoiding the situation that the top block 75 is stuck when sliding to reset, thereby maintaining the stability of the system. The limiting block 716 can limit the sliding distance of the push rod 74, thereby avoiding the problem that the top block 75 is separated from the push rod 74.

[0029] As shown in the figure, Figure 5 The auxiliary structure 8 includes a top plate 81, the bottom end of the top plate 81 is fixedly connected with a sliding rod 82, the outer wall of the sliding rod 82 is slidingly connected with the middle part of the pressing plate 4, the bottom end of the sliding rod 82 is fixedly connected with a bottom frame 84, the opposite surfaces of the bottom of the bottom frame 84 are rotatably connected with rubber rollers 85, the top end of the bottom frame 84 is fixedly connected with a spring two 83, the top end of the spring two 83 is fixedly connected with the bottom end of the pressing plate 4, and the spring two 83 is located outside the bottom end of the sliding rod 82. In the process of bending the sheet metal part, the rubber rollers 85 are tightly attached to the two sides of the bending position of the sheet metal part under the action of the spring one 710, thereby avoiding the problem of edge curling when the sheet metal part is bent, thereby improving the bending quality of the sheet metal part.

[0030] As shown in the figure, Figure 6 The bending die 6 is fixedly connected with an elastic telescopic rod 87 inside, the output end of the elastic telescopic rod 87 is fixedly connected with a rectangular plate 86, the top end of the rectangular plate 86 penetrates out of the bending die 6, the elastic telescopic rod 87 rebounds to drive the rectangular plate 86 to lift the bent sheet metal part, thereby avoiding the problem that the bent sheet metal part is stuck inside the bending die 6, thereby making it inconvenient to discharge.

[0031] As shown in the figure, Figure 6 The top end of the base 1 is fixedly installed with a servo motor two 810, the output end of the servo motor two 810 is fixedly connected with a take-up reel 811, the outer wall of the take-up reel 811 is fixedly connected with a lifting rope 89, the top end of the lifting rope 89 extends into the inside of the bending die 6, the top end of the lifting rope 89 is fixedly connected with the middle part of the bottom end of the rectangular plate 86, the inside of the bending die 6 is fixedly connected with a round rod two 88, the outer wall of the round rod two 88 is lapped with the outer wall of the lifting rope 89, and the lifting rope 89 can pull the rectangular plate 86 so that it is flush with the surface of the bending die 6, thereby avoiding the rectangular plate 86 being protruding and affecting the normal placement of the sheet metal part.

[0032] The utility model discloses a working principle: when using, the sheet metal part is placed on the bending die 6, drives hydraulic stem 3, causes extruding block 5 to press down bending die 6, can bend into the predetermined shape with the cooperation of bending die 6 to the sheet metal part, after placing the sheet metal part on the bending die 6, drive servo motor one 71, and then drive two -way screw rod 72 rotation, and then drive two push rods 74 slide towards each other, and then cause the top block 75 to slide to the sheet metal part direction, and then cause rectangular block 77 and rubber pad 78 extrude the sheet metal part, and then fix the sheet metal part, the bracket 2 both sides top block 75 control alone, so that can according to the size shape and predetermined bending angle of sheet metal part real -time adjustment sheet metal part's left and right positions, and then guarantee the accuracy of sheet metal part bending, under the action of rubber pad 78 and damper 76, can avoid the hard extrusion to the sheet metal part, and then lead to the problem of sheet metal part damage, when the top block 75 relative push rod 74 slide, the ball bearing 713 can effectively reduce the friction between the top block 75 and push rod 74, and then reduce the wear between the two, prolong the service life of the two, after rectangular block 77 press the sheet metal part, two inclined blocks 712 are clamped in the sheet metal part both sides under the reaction force of spring, and then further limit the sheet metal part, and then guarantee the stability of sheet metal part bending, when driving the top block 75 reset, the elastic belt 715 gives the top block 75 a pull traction force, and then avoid the top block 75 stuck when sliding reset, and then play the effect of maintaining system stability, the limiting block 716 can limit the sliding distance of push rod 74, and then avoid the problem of top block 75 and push rod 74 disengagement, in the process of extruding block 5 sliding down, and then bending the sheet metal part, the rubber roller 85 is tightly attached to both sides of the sheet metal part bending position under the reaction of spring one 710, and then avoid the problem of sheet metal part bending when curling, and then improve the bending quality of sheet metal part, after bending, drive servo motor two 810, and then cause the take -up reel 811 rotation, and slowly release the lifting rope 89, while the lifting rope 89 relaxes, the elastic telescopic rod 87 rebounds, and then cause the rectangular plate 86 to lift the bent sheet metal part, and then avoid the sheet metal part after bending and stuck in the bending die 6 inside, so as to the problem of inconvenient discharge.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bending device for sheet metal workpieces, comprising a base (1), characterized in that: The top end of the base (1) is fixedly connected with a support (2), the top end of the support (2) is fixedly installed with a hydraulic rod (3), the output end of the hydraulic rod (3) extends to the bottom end of the top of the support (2), the output end of the hydraulic rod (3) is fixedly connected with a pressing plate (4), the bottom end of the pressing plate (4) is fixedly connected with an extrusion block (5), the top end of the base (1) is fixedly installed with a bending die (6), the middle of the support (2) is fixedly installed with a positioning structure (7), the bottom end of the pressing plate (4) is fixedly installed with an auxiliary structure (8), the positioning structure (7) includes a servo motor one (71) fixedly connected to the front end of the support (2), the output end of the servo motor one (71) is fixedly connected with a bidirectional screw rod (72), the outer wall of the bidirectional screw rod (72) is symmetrically screwed with a push rod (74), the opposite surfaces in the support (2) are fixedly connected with a limiting rod (73), the outer wall of the limiting rod (73) is slidably connected with the middle of the push rod (74), two push rods (74) are slidably connected with a top block (75) on the side close to the bending die (6), the side close to the bending die (6) of the top block (75) is fixedly connected with a damper (76), the output end of the damper (76) is fixedly connected with a rectangular block (77), the side close to the bending die (6) of the rectangular block (77) is fixedly connected with a rubber pad (78).

2. The bending device for sheet metal workpiece according to claim 1, characterized in that: The inside of the rectangular block (77) is fixedly connected with a round rod one (79), the outer wall of the round rod one (79) is symmetrically slidably connected with a sliding block (711), two sliding blocks (711) are fixedly connected with an inclined block (712) on the side close to the bending die (6), two sliding blocks (711) are fixedly connected with a spring one (710) on the side away from each other, and the ends of the two spring ones (710) away from the sliding block (711) are fixedly connected with the inner wall of the rectangular block (77).

3. The bending device for sheet metal workpiece according to claim 1, characterized in that: The two sides of the push rod (74) close to the position of the top block (75) are rotatably connected with a ball (713), and the outer wall of the ball (713) is lapped with the inner wall of the groove on the two sides of the top block (75).

4. The device according to claim 1, characterized in that: The side away from the bending die (6) of the top block (75) is fixedly connected with a limiting block (716), one side of the support (2) is fixedly connected with a fixed plate (714), the side close to the bending die (6) of the fixed plate (714) is fixedly connected with an elastic belt (715), and the side away from the fixed plate (714) of the elastic belt (715) is fixedly connected with the side away from the bending die (6) of the top block (75).

5. The device according to claim 1, characterized in that: The auxiliary structure (8) includes a top plate (81), the bottom end of the top plate (81) is fixedly connected with a sliding rod (82), the outer wall of the sliding rod (82) is slidably connected with the middle part of the pressing plate (4), the bottom end of the sliding rod (82) is fixedly connected with a bottom frame (84), the opposite surfaces of the bottom of the bottom frame (84) are rotatably connected with rubber rollers (85), the top end of the bottom frame (84) is fixedly connected with a second spring (83), the top end of the second spring (83) is fixedly connected with the bottom end of the pressing plate (4), and the second spring (83) is located outside the bottom end of the sliding rod (82).

6. The device according to claim 1, characterized in that: The inside of the bending die (6) is fixedly connected with an elastic telescopic rod (87), the output end of the elastic telescopic rod (87) is fixedly connected with a rectangular plate (86), and the rectangular plate (86) penetrates through the top end of the bending die (6).

7. The device according to claim 6, characterized in that it comprises: The top end of the base (1) is fixedly installed with a second servo motor (810), the output end of the second servo motor (810) is fixedly connected with a take-up reel (811), the outer wall of the take-up reel (811) is fixedly connected with a lifting rope (89), the top end of the lifting rope (89) extends to the inside of the bending die (6), the top end of the lifting rope (89) is fixedly connected with the middle part of the bottom end of the rectangular plate (86), the inside of the bending die (6) is fixedly connected with a second round rod (88), and the outer wall of the second round rod (88) is overlapped with the outer wall of the lifting rope (89).

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