High-strength connecting chain assembly for crane
By using high-strength connecting chain assemblies on cranes and utilizing buffer springs and rollers to distribute the weight, the problems of easy damage to lifting ropes and equipment collisions are solved, thereby improving the crane's performance and safety.
Patent Information
- Application Number
- CN202520439716.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing cranes typically use traction ropes, which are prone to damage and collisions over time, reducing their effectiveness.
It adopts a high-strength connecting chain assembly, including a crane top plate, balance rollers, buffer springs and buffer plates. The rollers are wound and fixedly connected by a traction rope, and the weight is distributed by the buffer springs and rollers to reduce direct collisions.
It improves the performance of cranes, reduces equipment collisions, extends service life, and enhances the traction stability and safety of the equipment.
Smart Images

Figure CN223792801U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of hoist, concretely is a high strength connecting chain assembly for hoist. BACKGROUND
[0002] The hoist refers to the multi-motion hoisting machinery of vertical lifting and horizontal carrying heavy objects in a certain range, also called as the overhead crane, the crane, the tire crane, the main features of the tire crane are: the traveling cab and the hoisting control room are combined into one, which is evolved from the crawler crane (crawler crane), the crawler and the walking support part of the walking mechanism are changed into the chassis with tires, which overcomes the shortcomings of the crawler crane (crawler crane) that the crawler plate causes damage to the road surface, and belongs to the material handling machinery.
[0003] The bridge crane is the hoisting equipment for hoisting materials above the workshop, warehouse and material yard. Since its two ends are placed on high cement columns or metal supports, it looks like a bridge. The bridge of the bridge crane runs longitudinally along the track laid on the high rack on both sides, which can fully utilize the space below the bridge for hoisting materials and is not hindered by ground equipment. It is the most widely used and largest number of hoisting machinery.
[0004] When the hoist is used for hoisting, the conventional hoist generally directly pulls the rope through the lifting rope, and the pulling rope also has a durable line. Long time is not conducive to effective use, and when the existing equipment is too large, it is easy to collide, which causes damage between the equipment and reduces the use effect of the device. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a high-strength connecting chain assembly for hoist to solve the problem that the existing hoist generally directly pulls the rope through the lifting rope, and the pulling rope also has a durable line. Long time is not conducive to effective use, and when the existing equipment is too large, it is easy to collide, which causes damage between the equipment and reduces the use effect of the device.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: A kind of high-strength connecting chain assembly for crane, including crane top plate and counterweight roller, the bottom of crane top plate is fixedly connected with support plate near the edge of front and back two sides, the shaft center of counterweight roller is fixedly connected with fixed plate, the opposite side outer surface of two support plate and fixed plate is fixedly connected with fixed connecting plate, the opposite side of every two fixed connecting plates is fixedly connected with hollow tube, four inside hollow tubes are fixedly welded with buffer spring, one end of four buffer springs is fixedly welded with sliding block, and the outer surface of sliding block and the inside of hollow tube are slidably connected, the opposite side of every two sliding blocks is fixedly connected with support short pole, and the one end of support short pole extends to the outside of hollow tube, the opposite end of every two support short poles is fixedly connected with buffer plate.
[0007] As a preferred implementation, the opposite side outer surface between two support plates is rotatably connected with upper roller by rotating shaft near the edge of top as a preferred implementation.
[0008] As a preferred implementation, the opposite side outer surface between two support plates is rotatably connected with lower roller by rotating shaft near the center.
[0009] As a preferred implementation, the opposite side outer surface between two support plates is fixedly connected with first fixed rod near the edge of bottom, and the outer surface of first fixed rod is fixedly provided with first hook near the center.
[0010] As a preferred implementation, the opposite side outer surface of two fixed plates is fixedly connected with second fixed rod near the edge of top and bottom, and the outer surface of two second fixed rods is fixedly connected with second hook near the center.
[0011] As a preferred implementation, the outer surface between one of second hooks and lower roller, counterweight roller and upper roller is woundly connected with traction rope.
[0012] Compared with prior art, the utility model has the beneficial effects that:
[0013] The utility model discloses, through the traction rope fixed between the top of second hook is tied, then is wound after on lower roller, along the balance roller is wound, finally along the upper roller is wound, fixes with the output end of crane in the other end, so that the device is convenient for the traction connection, when the device hoists, will make the traction rope tighten or relax, and the traction rope will drive the balance roller to move up and down, and the balance roller will share part of gravity, so that the force that the traction rope directly receives weakens, thereby will make the hoisting effect of device better, further through the balance roller and lower roller more and more close, through the buffer plate and make contact and crash, thereby will make the support short pole drive the sliding block to slide in the inside of the hollow pipe, and the sliding block will extrude buffer spring, so that buffer spring has better buffering effect, thereby will make the device not directly produce serious collision situation, thereby improved the use effect of device, and the device is convenient for effectively used. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 A front view three-dimensional structure schematic diagram of a high-strength connecting chain assembly for a crane is provided for the utility model;
[0015] Figure 2 A side view three-dimensional structure schematic diagram of a high-strength connecting chain assembly for a crane is provided for the utility model;
[0016] Figure 3 A top view three-dimensional structure schematic diagram of a high-strength connecting chain assembly for a crane is provided for the utility model;
[0017] Figure 4 A high-strength connecting chain assembly for a crane is provided for the utility model; Figure 1 A three-dimensional structure schematic diagram of the middle A is provided for the utility model.
[0018] The drawings show that the utility model discloses a crane top plate, support plate, upper roller, lower roller, first fixed rod, first hook, fixed plate, balance roller, second fixed rod, second hook, traction rope, fixed connecting plate, hollow pipe, buffer spring, sliding block, support short pole, buffer plate. DETAILED DESCRIPTION
[0019] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below in connection with the drawings and examples. It should be explained that the embodiment of the application and the features in the embodiment can be combined mutually in the case of not conflicting.
[0020] Many specific details are set forth in the following description in order to provide a thorough understanding of the present application. However, the present application can be practiced according to other ways not described herein, and the present application is not limited to the specific embodiments described herein.
[0021] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of high-strength connecting chain assembly for crane, including crane top plate 1 and counterweight roller 8, the bottom of crane top plate 1 is close to the edge of front and rear sides It is fixedly connected with support plate 2, the axis center both ends of counterweight roller 8 are fixedly connected with fixed plate 7, the opposite side outer surface of two support plates 2 and fixed plate 7 is fixedly connected with fixed connecting plate 12, the opposite side of every two fixed connecting plates 12 is fixedly connected with hollow pipe 13, the inside of four hollow pipes 13 is fixedly welded with buffer spring 14, the one end of four buffer springs 14 is fixedly welded with sliding block 15, and the outer surface between sliding block 15 and the inside of hollow pipe 13 is slidably connected, the opposite side of every two sliding blocks 15 is fixedly connected with support short pole 16, and the one end of support short pole 16 extends to the outside of hollow pipe 13, the opposite end of every two support short poles 16 is fixedly connected with buffer plate 17.
[0022] The edge of the opposite side outer surface between two support plates 2 close to top is rotatably connected with upper roller 3 by pivot.
[0023] The center of the opposite side outer surface between two support plates 2 is rotatably connected with lower roller 4 by pivot.
[0024] The edge of the opposite side outer surface between two support plates 2 close to bottom is fixedly connected with first fixed rod 5, and the outer surface of first fixed rod 5 is fixedly provided with first hook 6 close to center.
[0025] The edge of the opposite side outer surface of two fixed plates 7 close to top and bottom is fixedly connected with second fixed rod 9, and the outer surface of two second fixed rods 9 is fixedly connected with second hook 10 close to center.
[0026] The outer surface between one of second hook 10 and lower roller 4, counterweight roller 8 and upper roller 3 is woundly connected with traction rope 11.
[0027] Working principle: when the device is used, first through the traction rope 11 fixed in the top between the second hook 10, then after winding on the lower roller 4, along the balance roller 8 winding, finally along the upper roller 3 winding, fixed with the output end of the crane on the other end, so that the device is convenient to pull the connection, when the device is hoisted, the traction rope 11 will be tightened or relaxed, the traction rope 11 will drive the balance roller 8 to move up and down, at the same time the balance roller 8 will share part of the gravity, so that the force directly borne by the traction rope 11 is weakened, so that the hoisting effect of the device is better, further through the balance roller 8 and the lower roller 4 closer and closer, through the buffer plate 17 contact collision, so that the support short rod 16 drives the sliding block 15 to slide in the hollow tube 13, the sliding block 15 will extrude the buffer spring 14, so that the buffer spring 14 has better buffering effect, so that the device will not directly produce serious collision, so as to improve the use effect of the device, the device is convenient to use effectively.
[0028] The above is only the preferred embodiment of the present application, not the other forms of the present application limit, any skilled in the art of the technical personnel may use the above disclosed technical content to change or modification as equivalent variation of equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the present application technical scheme.
Claims
1. A high-strength connecting chain assembly for a crane, comprising a crane top plate (1) and a counter roller (8), characterized in that: The bottom of the crane roof (1) is fixedly connected with support plates (2) near the edges of the front and rear sides, the shaft center of the balance roller (8) is fixedly connected with fixed plates (7), the opposite sides of the two support plates (2) and the outer surfaces of the fixed plates (7) are fixedly connected with fixed connecting plates (12), the opposite sides of every two fixed connecting plates (12) are fixedly connected with hollow pipes (13), the interiors of the four hollow pipes (13) are fixedly welded with buffer springs (14), one end of the four buffer springs (14) is fixedly welded with sliding blocks (15), the outer surface of the sliding block (15) is in sliding connection with the interior of the hollow pipe (13), the opposite sides of every two sliding blocks (15) are fixedly connected with support short rods (16), one end of the support short rod (16) extends to the exterior of the hollow pipe (13), and the opposite ends of every two support short rods (16) are fixedly connected with buffer plates (17).
2. A high strength connecting chain assembly for a crane as claimed in claim 1, wherein: The opposite sides of the two support plates (2) are rotatably connected with upper rollers (3) near the edges of the top through rotating shafts.
3. A high strength connecting chain assembly for a crane as claimed in claim 1, wherein: The opposite sides of the two support plates (2) are rotatably connected with lower rollers (4) near the center through rotating shafts.
4. A high strength connecting chain assembly for a crane as claimed in claim 1, wherein: The opposite sides of the two support plates (2) are fixedly connected with first fixed rods (5) near the edges of the bottom.
5. A high strength connecting chain assembly for a crane as claimed in claim 1, wherein: The opposite sides of the two fixed plates (7) are fixedly connected with second fixed rods (9) near the edges of the top and the bottom, and the outer surfaces of the two second fixed rods (9) are fixedly connected with second hooks (10) near the center.
6. A high strength connecting chain assembly for a crane as claimed in claim 5, wherein: One of the second hooks (10) is in winding connection with the outer surfaces of the lower roller (4), the balance roller (8) and the upper roller (3) through a traction rope (11).