Rail clamping device for elevator installation and maintenance

By using limit bolts, adjustment links and limit lockers in the elevator rail clamp, a stable limit frame is formed, which solves the problem of loose fastening bolts and significantly improves the stability and safety of the rail clamp. sex.

CN222433831UActive Publication Date: 2025-02-07NIDEC ELEVATOR (QINGDAO) CO LTD
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Patent Information

Application Number
CN202420982255.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2025-02-07
Estimated Expiration
2034-05-08

AI Technical Summary

Technical Problem

The fastening bolts of existing elevator rail clamps are easily loosened due to long-term tightening or external factors, resulting in unstable clamping and posing safety hazards.

Method used

Use limit bolts, adjustment links and limit locks to form a U-shaped limit frame, and attach the limit locks to ensure that the fastening bolts will not loosen during use.

Benefits of technology

Effectively prevent the fastening bolts from loosening, ensure the stability and safety of the use of the rail clamp, and avoid safety hazards caused by unstable clamping.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a rail clamping device for elevator installation and maintenance, which comprises a fixed support, the inner side of the fixed support is spirally connected with fastening bolts, one end of each fastening bolt is fixedly connected with a fastening handle, the number of the fastening bolts is two, the fastening bolts are symmetrically arranged, the other end of each fastening bolt is rotatably connected with a fastening clamping plate, and the fastening clamping plate is fixedly connected with the fixed support. An anti-skid bottom pad is fixedly connected to the other side of the fastening clamping plate, a movable connecting rod is slidably connected to the inner side of the fixing support, and a movable clamping plate is fixedly connected to one end of the movable connecting rod; in order to ensure the use stability and safety of the rail clamping device and prevent the fastening bolt from loosening, the limiting bolt, the adjusting connecting rod, the limiting clamping base and other structures are used in cooperation to form a U-shaped limiting frame, the limiting clamping base is clamped with the fastening handle, the fastening handle is stably limited, the fastening bolt cannot loosen in the use process, and the use safety of the rail clamping device is improved. And the use stability and safety of the rail clamping device are greatly ensured.
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Description

Technical Field

[0001] The utility model relates to a rail clamp for elevator installation and maintenance, belonging to the technical field of elevators. Background Art

[0002] The current elevators are all pulled by motors and transport vertically along the guide rails. When the elevator is installed, maintained, or in emergency, the rail clamps on the elevator are used to clamp the guide rails so that the elevator stops at the current position so that the staff can perform maintenance on the elevator.

[0003] Most of the existing rail clamps are clamped by tightening bolts, but the bolts are easily rotated due to long-term tightening or external factors, and the clamping of the rail by the rail clamp cannot be guaranteed, which poses a safety hazard. Therefore, a rail clamp for elevator installation and maintenance is needed for people to use. Utility Model Content

[0004] The purpose of the utility model is to provide a track clamp for elevator installation and maintenance. In order to ensure the stability and safety of the track clamp and prevent the loosening of the fastening bolts, a limit bolt, an adjusting connecting rod, a limit clamp and other structures are used in combination to form a U-shaped limit frame, and the limit clamp is engaged with the fastening handle to limit it stably, so that the fastening bolts will not loosen during use, thereby greatly ensuring the stability and safety of the track clamp and solving the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A rail clamp for elevator installation and maintenance comprises a fixed bracket, the inner side of the fixed bracket is spirally connected with a fastening bolt, one end of the fastening bolt is fixedly connected with a fastening handle, the number of the fastening bolts is two and they are symmetrically arranged, the other end of the fastening bolt is rotatably connected with a fastening clamping plate, the other side of the fastening clamping plate is fixedly connected with a non-slip bottom pad, the inner side of the fixed bracket is slidably connected with a movable connecting rod, one end of the movable connecting rod is fixedly connected with a movable clamping plate, the other end of the movable connecting rod is fixedly connected with an anti-slip plate, the movable clamping plates are symmetrically arranged, the fixed bracket is U-shaped, and the fixed bracket A limited mounting hole is provided on the inner side, and the number of the limited mounting holes is multiple and distributed in a circular array. The inner side of the limited mounting hole is spirally connected to a limited bolt, one end of the limited bolt is fixedly connected to a mounting ring, one side of the mounting ring is rotatably connected to an adjusting connecting rod, the outer side of the adjusting connecting rod is spirally connected to an adjusting support tube, the other end of the adjusting connecting rod is fixedly connected to an anti-slip plate 2, and the anti-slip plate 2 is slidably connected to the inner side wall of the adjusting support tube, the outer side of the adjusting support tube is rotatably connected to a movable swivel, one side of the movable swivel is fixedly connected to a limited clamping seat, and the limited clamping seat and the fastening handle are engaged with each other.

[0007] Furthermore, a clamping plate spring is sleeved on the outer side of the movable connecting rod, and two ends of the clamping plate spring are respectively fixedly connected to the movable clamping plate and the fixed bracket.

[0008] Furthermore, the adjusting connecting rod is arranged in an L shape, and the adjusting connecting rod is arranged symmetrically with the adjusting support tube.

[0009] The beneficial effects of the utility model are:

[0010] By setting the fastening clamp, movable clamp, limit bolt and limit clamp, when installing the fixed bracket, until the movable clamp can clamp the guide rail under the action of the clamp spring, it is convenient to know that the fixed bracket is installed in place, ensuring that the subsequent fastening clamp can stably clamp the guide rail, and the fastening handle can be used to rotate the fastening bolt to adjust the fastening clamp to clamp the guide rail. After clamping, use a mounting ring to rotate the limit bolt into the limit mounting hole, and then rotate the adjusting connecting rod on the other side to adjust the position of the other limit bolt, and also install it to the limit mounting hole. In the utility model, in order to ensure the stability and safety of the rail clamp and prevent the loosening of the fastening bolts, the limit bolts, the adjusting connecting rod and the limit clamp are used in combination to form a U-shaped limit frame, and the limit clamp is engaged with the fastening handle to limit it stably, so that the fastening bolts will not loosen during use, which greatly ensures the stability and safety of the rail clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.

[0012] Figure 1 This is a schematic diagram of the overall structure of a rail clamp for elevator installation and maintenance according to the utility model;

[0013] Figure 2 This is a schematic diagram of the installation structure of a movable clamping plate of a rail clamp for elevator installation and maintenance according to the utility model;

[0014] Figure 3 This is a schematic diagram of the installation structure of a limit clamp for a rail clamp for elevator installation and maintenance according to the utility model;

[0015] Figure 4 This is a schematic diagram of the installation structure of the anti-drop plate 2 of a rail clamp for elevator installation and maintenance according to the utility model;

[0016] Numbers in the figure: 1. Fixed bracket; 2. Fastening bolt; 3. Fastening handle; 4. Fastening clamp; 5. Anti-slip bottom pad; 6. Movable connecting rod; 7. Movable clamp; 8. Anti-slip plate one; 9. Clamp spring; 10. Limit mounting hole; 11. Limit bolt; 12. Mounting ring; 13. Adjusting connecting rod; 14. Adjusting support tube; 15. Movable swivel; 16. Limiting holder; 17. Anti-slip plate two. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example 1, please refer to Figure 1-Figure 4 , the utility model provides a technical solution:

[0019] A track clamp for elevator installation and maintenance comprises a fixed bracket 1, a fastening bolt 2 is spirally connected to the inner side of the fixed bracket 1, one end of the fastening bolt 2 is fixedly connected to a fastening handle 3, there are two fastening bolts 2 and they are symmetrically arranged, the other end of the fastening bolt 2 is rotatably connected to a fastening clamping plate 4, the other side of the fastening clamping plate 4 is fixedly connected to a non-slip bottom pad 5, the inner side of the fixed bracket 1 is slidably connected to a movable connecting rod 6, one end of the movable connecting rod 6 is fixedly connected to a movable clamping plate 7, the other end of the movable connecting rod 6 is fixedly connected to an anti-slip plate 8, the movable clamping plates 7 are symmetrically arranged, and the fixed bracket 1 is U-shaped.

[0020] As a preferred technical solution of the utility model, a limited mounting hole 10 is provided on the inner side of the fixed bracket 1, and the number of the limited mounting holes 10 is multiple and distributed in a circular array. The inner side of the limited mounting hole 10 is spirally connected to a limited bolt 11, one end of the limited bolt 11 is fixedly connected to a mounting ring 12, one side of the mounting ring 12 is rotatably connected to an adjusting connecting rod 13, the outer side of the adjusting connecting rod 13 is spirally connected to an adjusting support tube 14, the other end of the adjusting connecting rod 13 is fixedly connected to an anti-slip plate 17, and the anti-slip plate 17 is slidably connected to the inner side wall of the adjusting support tube 14, and the outer side of the adjusting support tube 14 is rotatably connected to a movable swivel 15, one side of the movable swivel 15 is fixedly connected to a limit clamping seat 16, and the limit clamping seat 16 and the fastening handle 3 are engaged with each other, the adjusting link 13 is arranged in an L shape, and the adjusting link 13 is symmetrically arranged with the adjusting support tube 14; after the guide rail is clamped by the fastening clamp plate 4, a mounting ring 12 is used to rotate the limit bolt 11 into the limit mounting hole 10, and then the adjusting link 13 on the other side is rotated to adjust the position of the other limit bolt 11, and it is also installed in the limit mounting hole 10, and the limit clamping seat 16 is engaged with the fastening handle 3, so that when the structures are used in combination, the fastening bolt 2 can be effectively prevented from loosening.

[0021] Example 2 Please refer to Figure 2 The difference between this embodiment and embodiment 1 is that:

[0022] As a preferred technical solution of the utility model, a clamping plate spring 9 is sleeved on the outer side of the movable connecting rod 6, and the two ends of the clamping plate spring 9 are respectively fixedly connected to the movable clamping plate 7 and the fixed bracket 1; when the fixed bracket 1 is installed, the movable clamping plate 7 will be clamped on the outer side of the guide rail under the action of the spring, thereby conveniently knowing that the fixed bracket 1 is installed in place, ensuring that the subsequent tightening clamping plate 4 can stably clamp the guide rail.

[0023] The working principle of the utility model is as follows: when installing the fixed bracket 1, until the movable clamp plate 7 can clamp the guide rail under the action of the clamp plate spring 9, it is convenient to know that the fixed bracket 1 is installed in place, ensuring that the subsequent fastening clamp plate 4 can stably clamp the guide rail, and the fastening handle 3 can be used to rotate the fastening bolt 2 to adjust the fastening clamp plate 4 to clamp the guide rail. After clamping, use a mounting ring 12 to rotate the limit bolt 11 into the limit mounting hole 10, and then rotate the other side adjustment connecting rod 13 to adjust the position of the other limit bolt 11, and also install it into the limit mounting hole 10, and clamp the limit socket 16 to the fastening handle 3, so that when the structures are used in combination, the fastening bolt 2 can be effectively prevented from loosening.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A rail clamp for elevator installation and maintenance, comprising a fixing bracket (1), characterized in that: The inner side of the fixed bracket (1) is spirally connected with a fastening bolt (2), one end of the fastening bolt (2) is fixedly connected with a fastening handle (3), the number of the fastening bolts (2) is two and they are symmetrically arranged, the other end of the fastening bolt (2) is rotatably connected with a fastening clamping plate (4), the other side of the fastening clamping plate (4) is fixedly connected with a non-slip bottom pad (5), the inner side of the fixed bracket (1) is slidably connected with a movable connecting rod (6), one end of the movable connecting rod (6) is fixedly connected with a movable clamping plate (7), the other end of the movable connecting rod (6) is fixedly connected with an anti-slip plate (8), the movable clamping plate (7) is symmetrically arranged, the fixed bracket (1) is U-shaped, and a limited mounting hole (10) is provided on the inner side of the fixed bracket (1), the limited mounting hole The number of the plurality of limit mounting holes (10) is plural and they are distributed in a ring array. The inner side of the limit mounting hole (10) is spirally connected to a limit bolt (11). One end of the limit bolt (11) is fixedly connected to a mounting ring (12). One side of the mounting ring (12) is rotatably connected to an adjustment link (13). The outer side of the adjustment link (13) is spirally connected to an adjustment support tube (14). The other end of the adjustment link (13) is fixedly connected to an anti-slip plate (17). The anti-slip plate (17) is slidably connected to the inner side wall of the adjustment support tube (14). The outer side of the adjustment support tube (14) is rotatably connected to a movable swivel (15). One side of the movable swivel (15) is fixedly connected to a limit clamping seat (16), and the limit clamping seat (16) is mutually engaged and connected with the fastening handle (3).

2. The rail clamp for elevator installation and maintenance according to claim 1, characterized in that: A clamping plate spring (9) is sleeved on the outer side of the movable connecting rod (6), and two ends of the clamping plate spring (9) are respectively fixedly connected to the movable clamping plate (7) and the fixed bracket (1).

3. The rail clamp for elevator installation and maintenance according to claim 1, characterized in that: The adjusting connecting rod (13) is arranged in an L shape, and the adjusting connecting rod (13) is arranged symmetrically with the adjusting support tube (14).