Life line steel cable quick joint tensioner

By designing tensioning devices and buffering devices in the lifeline steel cable tensioner, the problem of insufficient safety caused by bolts is solved, effective adjustment and protection of steel cables are achieved, and personal safety is enhanced.

CN222363349UActive Publication Date: 2025-01-17JIANHENUO (TIANJIN) SECURITY EQUIPMENT CO LTD
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Patent Information

Application Number
CN202421314516.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-01-17
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The bolts of the existing lifeline steel cable tensioner are prone to loosen after fixing, resulting in insufficient safety and lack of effective protection measures.

Method used

A lifeline steel cable quick joint tensioner including a tensioning device and a buffering device is designed to fix the steel cable by adjusting bolts and protect the steel cable with unloading springs and breaking holes to prevent breakage caused by excessive stress.

Benefits of technology

Effectively adjust the tension of the steel cable, prevent bolts from rotating, improve safety, and protect the steel cable through a force-release spring to avoid breakage caused by excessive force, and enhance personal safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of tensioner devices, and discloses a lifeline steel cable quick connector tensioner which comprises a tensioning device and a buffering device, the buffering device is arranged on one side of the tensioning device, the tensioning device comprises a limiting frame, the top end and the bottom end of the limiting frame are respectively provided with a sliding groove, and the limiting frame is provided with a sliding groove. Two fixing bolts are slidably connected to the inner side walls of the two sliding grooves, two limiting holes are formed in the side walls of the two adjusting bolts correspondingly, the two adjusting bolts penetrate through the inner side walls of the limiting frames correspondingly to be fixedly connected with first mounting frames, and first plug pins are slidably connected to the inner side walls of the two first mounting frames; and first limiting rings are arranged on the side walls of the two first plug pins correspondingly. According to the lifeline steel cable quick connector tensioner, the installed adjusting bolt is further fixed through the tensioning device by means of the fixing bolt, meanwhile, the steel cable is protected through the buffering device, and the personal safety is effectively protected.
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Description

Technical Field

[0001] The utility model relates to the field of tensioner devices, in particular to a lifeline steel cable quick connector tensioner. Background Art

[0002] The lifeline cable quick connector tensioner is used for safety protection on climbing equipment for aerial work or underground work. When using the lifeline system, the cable needs to maintain a certain tension to ensure that it can effectively support and protect the workers in an emergency. The tension depends on the length of the cable and the use environment. For example, the vertical lifeline used in high-rise buildings or high-height chimneys requires a larger cable tension. These systems are usually used to prevent aerial workers from falling during operations.

[0003] Although the prior art uses a tensioner on the steel cable to ensure that the steel cable is in a tensioned state, after the tensioner is fixed, the bolts are prone to loosening, resulting in a lack of safety and endangering personal safety. Therefore, those skilled in the art provide a lifeline steel cable quick connector tensioner to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a lifeline steel cable quick connector tensioner, which provides a lifeline steel cable quick connector tensioner that uses a tensioning device to further fix the installed adjusting bolt using a fixing bolt, and uses a buffer device to protect the steel cable, thereby effectively protecting personal safety.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifeline steel cable quick connector tensioner, comprising a tensioning device and a buffer device, the buffer device is arranged on one side of the tensioning device, the tensioning device comprises a limit frame, the top and bottom ends of the limit frame are respectively provided with slide grooves, two inner side walls of the two slide grooves are slidably connected with two fixing bolts, two side walls of the two fixing bolts are respectively threadedly connected with fixing nuts, both sides of the inner side wall of the limit frame are respectively threadedly connected with adjusting bolts, two side walls of the two adjusting bolts are respectively provided with two limiting holes, the two adjusting bolts respectively penetrate the inner side wall of the limit frame and are fixedly connected with a first mounting frame, the inner side walls of the two first mounting frames are slidably connected with a first latch, and the two side walls of the two first latches are respectively provided with a first limiting ring;

[0006] Through the above technical scheme, by setting up a tensioning device, an adjusting bolt is rotatably set in the limit frame. By rotating the adjusting bolt, the tension of the steel cable can be effectively adjusted. At the same time, a limit hole is provided on the adjusting bolt. After the tension adjustment is completed, the adjusting bolt can be further fixed by a fixing bolt, which effectively prevents the bolt from rotating and improves the overall safety of the device during use.

[0007] Further, the buffer device comprises a shell, a plurality of fracture holes are respectively arranged in a linear array at the front end and the rear end of the shell near one side, a positioning bolt is rotatably connected to one side of the shell, a second mounting bracket is rotatably connected to the side wall of the positioning bolt, a second latch is slidably connected to the side wall of the second mounting bracket, a second limiting ring is arranged on the side wall of the second latch, a connecting block is fixedly connected to the middle of the other side of the shell, a force unloading spring is arranged on the inner side wall of the shell, and the connecting block is rotatably connected to the side wall of the first latch near one side of the shell;

[0008] Through the above technical solution, a buffer device is provided, a force unloading spring is provided in the shell, and a breaking hole is provided on the side wall of the shell. When the force on the shell exceeds a certain level, the shell will break at the breaking hole. The force unloading spring is utilized to protect the steel cable rope, thereby preventing the steel cable rope from breaking due to excessive force and causing personal injury.

[0009] Furthermore, the two fixing bolts respectively penetrate the limiting holes and are threadedly connected with the fixing nuts;

[0010] Through the above technical solution, the position of the fixing bolt is effectively fixed.

[0011] Furthermore, the two limiting holes located on the side walls of the two adjusting bolts are perpendicular to each other;

[0012] Through the above technical solution, the adjusting bolt is effectively fixed.

[0013] Furthermore, the connecting block penetrates the other side wall of the shell and is fixedly connected to one end of the unloading spring;

[0014] Through the above technical solution, the buffer device is effectively installed.

[0015] Furthermore, the positioning bolt passes through one side of the housing and is threadedly connected to the other side of the unloading spring;

[0016] Through the above technical solution, the mounting frame is effectively fixed.

[0017] Furthermore, the limit frame and the housing are both made of stainless steel;

[0018] Through the above technical solution, the service life of the entire device is effectively improved.

[0019] Furthermore, the two first latches respectively penetrate the first mounting frame and the first limiting ring and are adapted to each other;

[0020] Through the above technical solution, the latch can be effectively limited.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, a tensioning device is provided, and an adjusting bolt is rotatably provided in a limit frame. By rotating the adjusting bolt, the tension of the steel cable can be effectively adjusted. At the same time, a limit hole is provided on the adjusting bolt. After the tension adjustment is completed, the adjusting bolt can be further fixed by a fixing bolt, which effectively prevents the bolt from rotating and improves the safety of the overall device when in use.

[0023] 2. In the utility model, a buffer device is provided, a force unloading spring is provided in the shell, and a breaking hole is provided on the side wall of the shell. When the force on the shell exceeds a certain level, the shell will break at the breaking hole. The force unloading spring is used to protect the steel cable rope, thereby preventing the steel cable rope from breaking due to excessive force and causing personal injury.

[0024] 3. In the utility model, a mounting frame is provided on the tensioning device and the buffer device, and latches are provided on the side walls of the mounting frame. The latches are fixed by limiting rings, which can effectively realize the rapid installation of various components and reduce the installation difficulty of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional diagram of the lifeline steel cable quick connector tensioner proposed by the utility model;

[0026] Figure 2 It is a front view of the lifeline steel cable quick connector tensioner proposed by the utility model;

[0027] Figure 3 A top view of the lifeline steel cable quick connector tensioner proposed by the utility model;

[0028] Figure 4 This is a stereoscopic diagram of the unloading spring of the lifeline steel cable quick connector tensioner proposed by the utility model.

[0029] Legend:

[0030] 1. Tensioning device; 101. First mounting bracket; 102. First latch; 103. First limiting ring; 104. Limiting hole; 105. Slide groove; 106. Fixing bolt; 107. Adjusting bolt; 108. Fixing nut; 109. Limiting bracket; 2. Buffer device; 201. Housing; 202. Connecting block; 203. Second latch; 204. Second mounting bracket; 205. Positioning bolt; 206. Second limiting ring; 207. Unloading spring; 208. Breaking hole. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figure 1-4 The utility model provides an embodiment: a lifeline steel cable quick connector tensioner, comprising a tensioning device 1 and a buffer device 2, the buffer device 2 is arranged on one side of the tensioning device 1, the tensioning device 1 comprises a limit frame 109, the limit frame 109 has a slide groove 105 at the top and the bottom, the inner side walls of the two slide grooves 105 are slidably connected with two fixing bolts 106, the side walls of the two fixing bolts 106 are respectively threadedly connected with fixing nuts 108, the inner side walls of the limit frame 109 are respectively threadedly connected with adjusting bolts 107, the side walls of the two adjusting bolts 107 are respectively provided with two limiting holes 104, the two adjusting bolts 107 respectively penetrate the limit frame 109, and the limit frame 109 is provided with a plurality of limit holes 104. The inner wall of 9 is fixedly connected with a first mounting frame 101, and the inner walls of the two first mounting frames 101 are slidably connected with first latches 102. The side walls of the two first latches 102 are respectively provided with first limiting rings 103. By setting the tensioning device 1, an adjusting bolt 107 is rotatably provided in the limiting frame 109. By rotating the adjusting bolt 107, the tension of the steel cable can be effectively adjusted. At the same time, a limiting hole 104 is provided on the adjusting bolt 107. After the tension adjustment is completed, the adjusting bolt 107 can be further fixed by the fixing bolt 106, which effectively prevents the bolt from rotating and improves the safety of the overall device when in use.

[0033] The buffer device 2 includes a shell 201, and a plurality of fracture holes 208 are respectively arranged in a linear array at the front end and the rear end of the shell 201 on one side. A positioning bolt 205 is rotatably connected to one side of the shell 201, and a second mounting bracket 204 is rotatably connected to the side wall of the positioning bolt 205. A second latch 203 is slidably connected to the side wall of the second mounting bracket 204, and a second limiting ring 206 is arranged on the side wall of the second latch 203. A connecting block 202 is fixedly connected to the middle of the other side of the shell 201, and a second retaining ring 206 is arranged on the inner wall of the shell 201. A unloading spring 207 is provided, and the connecting block 202 is rotatably connected to the side wall of the first latch 102 close to the shell 201. By providing a buffer device 2, a unloading spring 207 is provided in the shell 201, and a breaking hole 208 is provided on the side wall of the shell 201. When the force on the shell 201 exceeds a certain level, the shell 201 will break at the breaking hole 208. The unloading spring 207 is used to protect the steel cable to prevent the steel cable from breaking due to excessive force and causing injuries to people.

[0034] The two fixing bolts 106 respectively penetrate the limiting holes 104 and are threadedly connected with the fixing nuts 108. The two limiting holes 104 located on the side walls of the two adjusting bolts 107 are perpendicular to each other. The connecting block 202 penetrates the other side wall of the shell 201 and is fixedly connected to one end of the unloading spring 207. The positioning bolt 205 penetrates one side of the shell 201 and is threadedly connected to the other side of the unloading spring 207. The limiting frame 109 and the shell 201 are both made of stainless steel. The two first latches 102 respectively penetrate the first mounting frame 101 and are adapted to the first limiting ring 103. Mounting frames are arranged on the tensioning device 1 and the buffer device 2. Latch pins are arranged on the side walls of the mounting frames. The latches are fixed by limiting rings, which can effectively realize the rapid installation of various components and reduce the installation difficulty of the staff.

[0035] Working principle: By setting the tensioning device 1, an adjusting bolt 107 is rotatably set in the limit frame 109. By rotating the adjusting bolt 107, the tension of the steel cable can be effectively adjusted. At the same time, a limiting hole 104 is provided on the adjusting bolt 107. After the tension is adjusted, the adjusting bolt 107 can be further fixed by the fixing bolt 106, which effectively prevents the bolt from rotating and improves the safety of the device as a whole during use. By setting the buffer device 2, a force unloading spring 2 is set in the housing 201. 07. At the same time, a breaking hole 208 is arranged on the side wall of the shell 201. When the force on the shell 201 exceeds a certain level, the shell 201 will break at the breaking hole 208. The unloading spring 207 is utilized to protect the steel cable to avoid the steel cable breaking due to excessive force and causing personal injury. A mounting frame is arranged on the tensioning device 1 and the buffer device 2. Pins are arranged on the side walls of the mounting frame. The pins are fixed by a limiting ring, which can effectively realize the rapid installation of various components and reduce the installation difficulty of the staff.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is 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 lifeline steel cable quick connector tensioner, comprising a tensioning device (1) and a buffer device (2), wherein the buffer device (2) is arranged on one side of the tensioning device (1), and is characterized in that: The tensioning device (1) comprises a limit frame (109), the top and bottom of the limit frame (109) are respectively provided with a slide groove (105), the inner side walls of the two slide grooves (105) are slidably connected with two fixing bolts (106), the side walls of the two fixing bolts (106) are respectively threadedly connected with fixing nuts (108), the inner side walls of the limit frame (109) are respectively threadedly connected with adjusting bolts (107), the side walls of the two adjusting bolts (107) are respectively provided with two limit holes (104), the two adjusting bolts (107) respectively penetrate the inner side walls of the limit frame (109) and are fixedly connected with a first mounting frame (101), the inner side walls of the two first mounting frames (101) are slidably connected with a first latch (102), and the side walls of the two first latches (102) are respectively provided with a first limit ring (103).

2. The lifeline steel cable quick connector tensioner according to claim 1, characterized in that; The buffer device (2) comprises a shell (201), a front end and a rear end of the shell (201) are respectively provided with a plurality of fracture holes (208) in a linear array on one side, a positioning bolt (205) is rotatably connected to one side of the shell (201), a side wall of the positioning bolt (205) is rotatably connected to a second mounting frame (204), a side wall of the second mounting frame (204) is slidably connected to a second latch (203), a side wall of the second latch (203) is provided with a second limiting ring (206), a connecting block (202) is fixedly connected to the middle of the other side of the shell (201), a force unloading spring (207) is provided on the inner side wall of the shell (201), and the connecting block (202) is rotatably connected to the side wall of the first latch (102) close to the side of the shell (201).

3. The lifeline steel cable quick connector tensioner according to claim 1, characterized in that: The two fixing bolts (106) respectively penetrate the limiting holes (104) and are threadedly connected to the fixing nuts (108).

4. The lifeline steel cable quick connector tensioner according to claim 1, characterized in that: The two limiting holes (104) located on the side walls of the two adjusting bolts (107) are perpendicular to each other.

5. The lifeline steel cable quick connector tensioner according to claim 2, characterized in that: The connecting block (202) passes through the other side wall of the housing (201) and is fixedly connected to one end of the unloading spring (207).

6. The lifeline steel cable quick connector tensioner according to claim 2, characterized in that: The positioning bolt (205) passes through one side of the housing (201) and is threadedly connected to the other side of the unloading spring (207).

7. The lifeline steel cable quick connector tensioner according to claim 1, characterized in that: The limiting frame (109) and the housing (201) are both made of stainless steel.

8. The lifeline steel cable quick connector tensioner according to claim 1, characterized in that: The two first latches (102) respectively penetrate the first mounting frame (101) and the first limiting ring (103) and are adapted to each other.