Compensation chain suspension device capable of freely rotating

By designing the support method of the suspension bracket of the h-shaped structure and the T-shaped structure, the problem of insufficient support of the existing compensation chain suspension device is solved, the stability of the rotating rod and the safety of elevator operation is improved, and the disassembly and replacement of the compensation chain main body is simplified.

CN222781219UActive Publication Date: 2025-04-22NANTONG HAIXUN ELEVATOR PARTS CO LTD +1
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Patent Information

Application Number
CN202421466454.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-04-22
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

The existing freely rotatable compensation chain suspension device has weak support, which makes the rotating rod easy to fall off, which in turn causes the compensation chain main body to fall off, affecting the safety of elevator operation.

Method used

A freely rotatable compensation chain suspension device including an h-shaped suspension bracket is designed. By providing a support plate and a ball structure on the rotating rod, the supporting effect of the rotating rod is increased, and the design of the sliding ring and the fixing screw is convenient for the removal and replacement of the compensation chain body.

Benefits of technology

Through the support method of the T-shaped structure, the stability of the rotating rod is improved, the compensation chain main body is prevented from falling off due to falling off of the rotating rod, the safety of elevator operation is enhanced, and the disassembly and replacement process of the compensation chain main body is simplified.

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Abstract

The utility model relates to the technical field of traditional Chinese medicine filtration, in particular to a compensation chain suspension device capable of freely rotating, which comprises a suspension support with an h-shaped structure, and the suspension support comprises a support upper support plate and a support lower support plate arranged below the support upper support plate in parallel. A support vertical plate is arranged on one side of the support upper supporting plate and one side of the support lower supporting plate, a mounting plate is arranged on the upper portion of one side of the support vertical plate, the mounting plate and the support upper supporting plate are located on the same horizontal plane, a mounting ring groove is formed in the top end face of the support upper supporting plate, and a plurality of balls are mounted in the mounting ring groove. An inserting hole is formed in the center of a supporting plate on the support, and a rotating rod is installed in the inserting hole. According to the compensation chain, the supporting plate is arranged on the rotating rod, the supporting plate rotates on the top of the supporting plate on the support through the balls, and the rotating rod and the supporting plate form a T-shaped structure, so that the situation that the compensation chain body falls off due to falling of the rotating rod can be prevented, and the stability of the rotating rod in the rotating process is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of compensation chain suspension, in particular to a compensation chain suspension device which can rotate freely. Background Art

[0002] The elevator compensation chain is an iron chain wrapped with PVC rubber composite material, which is used to compensate the weight of the wire rope to make the elevator run smoothly. When the elevator is on the top floor, the wire rope is on the counterweight side, and the counterweight side has an extra weight of the wire rope. When the elevator is on the bottom floor, the wire rope is on the car side, and the car side has an extra weight of the wire rope. Installing a compensation chain can balance this part of the drop.

[0003] The patent specification with announcement number CN217458365U discloses a freely rotatable compensation chain suspension device, including a U-shaped mounting frame, the mounting frame is composed of a base plate and a vertical plate arranged around the base plate, a bearing hole is opened on the base plate, a bearing seat is mounted on the base plate, a slip ring is arranged under the mounting frame, a bearing on the bearing seat is connected to a bearing connecting rod, a limit block is arranged on the top of the bearing connecting rod, the bottom end of the bearing connecting rod passes through the bearing seat and the bearing hole from top to bottom and then extends into the slip ring, a first sliding hole penetrating the slip ring is opened at the bottom of the bearing connecting rod, a first sliding groove and a second sliding groove are opened on the side walls on both sides of the slip ring respectively, a hanging ring that can slide along the first sliding groove and the second sliding groove is hung on the slip ring, and a compensation chain is hung at the bottom of the hanging ring; the freely rotatable compensation chain suspension device provided by the utility model can extend its service life and improve the safety of the elevator during operation.

[0004] However, in the implementation of relevant technologies, it was found that the above-designed freely rotatable compensation chain suspension device has the following problems: the compensation chain is directly hung on the bottom of the slip ring through a hanging ring and slides along the slip ring, and freely rotates on the bearing seat through the bearing connecting rod installed on the slip ring. The entire compensation chain is connected to the bearing seat only through the bearing connecting rod, and the support is weak. In view of this, a freely rotatable compensation chain suspension device is provided to overcome the above-mentioned defects. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a freely rotatable compensation chain suspension device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a freely rotatable compensation chain suspension device, comprising an H-shaped suspension bracket, the suspension bracket comprising an upper bracket plate, and a lower bracket plate arranged parallel to and below the upper bracket plate, one side of the upper bracket plate and the lower bracket plate is provided with a bracket vertical plate, and one side of the bracket vertical plate is provided with a mounting plate close to the top, the mounting plate and the upper bracket plate are located in the same horizontal plane, the suspension bracket can be fixed to a corresponding position in the elevator shaft through the mounting plate, and is used to suspend the compensation chain, the top end surface of the upper bracket plate of the bracket is provided with a mounting ring groove, A plurality of ball bearings are installed inside the mounting ring groove, a socket is provided at the center position of the upper support plate of the bracket, and a rotating rod is installed inside the socket, a support plate is fixed above the rotating rod, and a guide ring groove is provided on the bottom end face of the support plate, a sliding ring is provided below the rotating rod, and a hanging ring is provided at the bottom of the sliding ring, and a compensation chain body is provided at the bottom of the hanging ring, and a bearing seat is provided at the top of the lower support plate of the bracket, and the support plate rotates at the top of the upper support plate of the bracket in coordination with the rotation of the rotating rod through a plurality of ball bearings, thereby increasing the supporting effect of the rotating rod and preventing the rotating rod from falling off the bearing seat and causing the compensation chain body to fall off.

[0007] As a further description of the above technical solution: the interior of the mounting plate is provided with mounting bolts, and the suspension bracket is formed by welding the mounting plate, the upper support plate of the bracket, the lower support plate of the bracket and the vertical plate of the bracket, and the suspension bracket can be directly installed by the mounting bolts.

[0008] As a further description of the above technical solution: the rotating rod and the sliding ring are both provided with connecting holes, and a fixing screw is passed through the inside of the connecting hole, and the fixing screw can connect the rotating rod and the sliding ring.

[0009] As a further description of the above technical solution: the end of the fixed screw is threadedly connected with a locking piece, and the locking piece abuts against the outer side of the sliding ring, and the threads on the locking piece and the fixed screw engage with each other to prevent the fixed screw from falling off.

[0010] As a further description of the above technical solution: the rotating rod passes through the upper support plate of the bracket through the insertion hole, the end of the rotating rod passes through the bearing seat, and the bearing seat is fixed on the top of the lower support plate of the bracket, and the rotating rod can rotate in the bearing seat.

[0011] As a further description of the above technical solution: the guide ring groove and the mounting ring groove have the same size, and the ball rotates in the guide ring groove and the mounting ring groove. The ball reduces the friction between the support plate and the support plate on the bracket, thereby improving the safety of the rotating rod through the support plate.

[0012] As a further description of the above technical solution: the depth of the guide ring groove is less than the thickness of the support plate, the depth of the installation ring groove is less than the thickness of the support plate on the bracket, and the guide ring groove and the installation ring groove limit the ball.

[0013] The utility model has the following beneficial effects:

[0014] The utility model designs a freely rotatable compensation chain suspension device, wherein a support plate is arranged on a rotating rod, and the support plate rotates on the top of the support plate on the bracket by means of a ball bearing. Since the rotating rod and the support plate form a T-shaped structure, the compensation chain main body can be prevented from falling off due to the falling off of the rotating rod, thereby improving the stability of the rotating rod when rotating.

[0015] The utility model designs a freely rotatable compensation chain suspension device. By arranging a sliding ring with an opening structure, the fixing screw and the locking piece can be separated from each other by rotating the fixing screw, so that the broken compensation chain body can be replaced and disassembled conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the support plate of the utility model;

[0018] Figure 3 This is a schematic diagram of the installation structure of the support plate on the bracket of the utility model;

[0019] Figure 4 for Figure 1 Enlarged view of point A in the middle.

[0020] Legend:

[0021] 1. Upper support plate of the bracket; 2. Lower support plate of the bracket; 3. Vertical plate of the bracket; 4. Mounting plate; 5. Mounting bolts; 6. Support plate; 7. Bearing seat; 8. Locking piece; 9. Rotating rod; 10. Sliding ring; 11. Hanging ring; 12. Compensation chain body; 13. Connecting hole; 14. Fixing screw; 15. Guide ring groove; 16. Socket; 17. Mounting ring groove; 18. Ball. DETAILED DESCRIPTION

[0022] Reference Figure 1-4The utility model provides a freely rotatable compensation chain suspension device: comprising an H-shaped suspension bracket, the suspension bracket comprising an upper bracket plate 1, and a lower bracket plate 2 arranged parallel to and below the upper bracket plate 1, a bracket vertical plate 3 is arranged on one side of the upper bracket plate 1 and the lower bracket plate 2, and a mounting plate 4 is arranged on one side of the bracket vertical plate 3, the mounting plate 4 and the upper bracket plate 1 are located in the same horizontal plane, the suspension bracket can be fixed to a corresponding position in the elevator shaft through the mounting plate 4, and is used to suspend the compensation chain, the top end surface of the upper bracket plate 1 of the bracket is provided with a mounting ring groove 17, and a plurality of balls 18 are installed inside the mounting ring groove 17 A socket 16 is provided at the center position of the upper support plate 1 of the bracket, and a rotating rod 9 is installed inside the socket 16, a support plate 6 is fixed above the rotating rod 9, and a guide ring groove 15 is provided on the bottom end surface of the support plate 6, a sliding ring 10 is provided below the rotating rod 9, and a hanging ring 11 is sleeved at the bottom of the sliding ring 10, and a compensation chain body 12 is sleeved at the bottom of the hanging ring 11, and a bearing seat 7 is provided on the top of the lower support plate 2 of the bracket, and the support plate 6 rotates at the top of the upper support plate 1 of the bracket through a plurality of balls 18 to cooperate with the rotation of the rotating rod 9, thereby increasing the supporting effect of the rotating rod 9 and preventing the rotating rod 9 from falling off the bearing seat 7 and causing the compensation chain body 12 to fall off.

[0023] As a further implementation scheme of the above technical scheme: a mounting bolt 5 is passed through the inside of the mounting plate 4, and the suspension bracket is welded and formed by the mounting plate 4, the upper support plate 1 of the bracket, the lower support plate 2 of the bracket and the vertical plate 3 of the bracket, and the suspension bracket can be directly installed by the mounting bolt 5.

[0024] As a further implementation scheme of the above technical scheme: a connecting hole 13 is opened on the rotating rod 9 and the sliding ring 10, and a fixing screw 14 is passed through the inside of the connecting hole 13, and the fixing screw 14 can connect the rotating rod 9 and the sliding ring 10.

[0025] As a further implementation scheme of the above technical scheme: the end of the fixed screw 14 is threadedly connected with a locking piece 8, and the locking piece 8 abuts against the outer side of the sliding ring 10, and the threads on the locking piece 8 and the fixed screw 14 engage with each other to prevent the fixed screw 14 from falling off.

[0026] As a further implementation scheme of the above technical scheme: the rotating rod 9 passes through the upper support plate 1 of the bracket through the socket 16, the end of the rotating rod 9 passes through the bearing seat 7, and the bearing seat 7 is fixed on the top of the lower support plate 2 of the bracket, and the rotating rod 9 can rotate in the bearing seat 7.

[0027] As a further implementation scheme of the above technical scheme: the guide ring groove 15 and the mounting ring groove 17 have the same size, and the ball 18 rotates in the guide ring groove 15 and the mounting ring groove 17. The ball 18 reduces the friction between the support plate 6 and the support plate 1 on the bracket, thereby improving the safety of the rotating rod 9 through the support plate 6.

[0028] As a further implementation scheme of the above technical scheme: the depth of the guide ring groove 15 is less than the thickness of the support plate 6, the depth of the installation ring groove 17 is less than the thickness of the support plate 1 on the bracket, and the guide ring groove 15 and the installation ring groove 17 limit the ball 18.

[0029] During specific implementation, when the compensation chain body 12 is twisted, the force can be transmitted to the sliding ring 10 through the hanging ring 11, and the rotating rod 9 on the sliding ring 10 can rotate in the bearing seat 7, and at the same time drive the support plate 6 to rotate on the top of the support plate 1 on the bracket using the ball 18. Since the rotating rod 9 and the support plate 6 form a T-shaped structure, the compensation chain body 12 caused by the falling off of the rotating rod 9 can be prevented, and the stability of the rotating rod 9 during rotation is improved. When the compensation chain body 12 needs to be disassembled, the fixing screw 14 and the locking piece 8 are rotated to separate the two from each other, and the compensation chain body 12 can be removed, which is convenient for replacing and disassembling the broken compensation chain body 12.

[0030] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A freely rotatable compensation chain suspension device, comprising an H-shaped suspension bracket, the suspension bracket comprising an upper bracket plate (1), and a lower bracket plate (2) arranged parallel to and below the upper bracket plate (1), a bracket vertical plate (3) being arranged on one side of the upper bracket plate (1) and the lower bracket plate (2), and a mounting plate (4) being arranged on one side of the bracket vertical plate (3), the mounting plate (4) being located on the same horizontal plane as the upper bracket plate (1), characterized in that: The top end surface of the upper support plate (1) of the bracket is provided with a mounting annular groove (17), and a plurality of balls (18) are installed inside the mounting annular groove (17); a plug hole (16) is provided at the center position of the upper support plate (1) of the bracket, and a rotating rod (9) is installed inside the plug hole (16); a support plate (6) is fixed above the rotating rod (9), and a guide annular groove (15) is provided on the bottom end surface of the support plate (6); a sliding ring (10) is provided below the rotating rod (9), and a hanging ring (11) is sleeved on the bottom of the sliding ring (10), and a compensation chain body (12) is sleeved on the bottom of the hanging ring (11); and a bearing seat (7) is provided on the top of the lower support plate (2) of the bracket.

2. A freely rotatable compensation chain suspension device according to claim 1, characterized in that: The interior of the mounting plate (4) is provided with mounting bolts (5), and the suspension bracket is formed by welding the mounting plate (4), the bracket upper support plate (1), the bracket lower support plate (2) and the bracket vertical plate (3).

3. A freely rotatable compensation chain suspension device according to claim 1, characterized in that: The rotating rod (9) and the sliding ring (10) are both provided with a connecting hole (13), and a fixing screw (14) is passed through the interior of the connecting hole (13).

4. A freely rotatable compensation chain suspension device according to claim 3, characterized in that: The end of the fixing screw rod (14) is threadedly connected to a locking piece (8), and the locking piece (8) abuts against the outer side of the sliding ring (10).

5. A freely rotatable compensation chain suspension device according to claim 1, characterized in that: The rotating rod (9) passes through the upper support plate (1) of the bracket through the insertion hole (16), the end of the rotating rod (9) passes through the bearing seat (7), and the bearing seat (7) is fixed on the top of the lower support plate (2) of the bracket.

6. A freely rotatable compensation chain suspension device according to claim 1, characterized in that: The guide ring groove (15) and the mounting ring groove (17) have the same size, and the ball (18) is capable of rotating in the guide ring groove (15) and the mounting ring groove (17).

7. A freely rotatable compensation chain suspension device according to claim 6, characterized in that: The depth of the guide ring groove (15) is less than the thickness of the support plate (6), and the depth of the mounting ring groove (17) is less than the thickness of the support plate (1) on the bracket.

Citation Information

Patent Citations

  • Compensation chain suspension device capable of freely rotating

    CN217458365U