Safety net tensioning device

By designing a safety net tensioning device including an unwinding mechanism, a stretching mechanism and a fixing mechanism, the problems of complex operation of the existing device and difficulty in accurately adjusting the tensioning force are solved, efficient safety net winding and precise tensioning control are achieved, and the effective protection effect of the safety net is ensured.

CN222770323UActive Publication Date: 2025-04-18HUIMIN BOHAOHUA ROPE NET CO LTD
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Patent Information

Application Number
CN202421882307.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2025-04-18
Estimated Expiration
2034-08-06

AI Technical Summary

Technical Problem

The existing safety net tensioning device is complex in operation and it is difficult to accurately adjust the tensioning force, which may damage the safety net or fail to achieve effective protection effects.

Method used

A safety net tensioning device including an unwinding mechanism, a stretching mechanism and a fixing mechanism is designed. By fixing the motor on the support side, the motor drives the rotation roller to rotate to achieve automatic winding of the safety net; at the same time, the tension sensor is used to calculate the tension value and adjust the length of the telescopic rod to accurately control the tension state of the safety net.

Benefits of technology

It improves the coil collection efficiency of the safety net, reduces manpower consumption, optimizes the operating steps, makes it more practical, and ensures the effective protection effect of the safety net by accurately adjusting the tension.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222770323U_ABST
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Abstract

The utility model provides a safety net tensioning device, which relates to the technical field of safety protection and comprises an unwinding mechanism, a stretching mechanism and a fixing mechanism. The unwinding mechanism comprises a supporting bottom plate, a first bolt is inserted into the supporting bottom plate in a penetrating mode, the first bolt is in threaded connection with the supporting bottom plate, a supporting column is fixedly installed at the top of the supporting bottom plate, an inserting hole is formed in the supporting column in a penetrating mode, a rotating shaft is inserted into the inserting hole, and a rotating roller fixedly sleeves the outer surface wall of the rotating shaft. And the outer surface wall of the rotating roller is fixedly connected with a safety net body. According to the safety net winding device, the motor is fixedly installed on one side of the supporting column, the output end of the motor is fixedly connected with one end of the rotating shaft, the safety net body is fixedly installed on the outer surface wall of the rotating roller, the motor is used for driving the rotating roller to rotate, and a safety net is wound, so that the safety net body winding efficiency is improved, manpower consumption is reduced, and operation steps are optimized; therefore, the device is more practical.
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Description

Technical Field

[0001] The utility model relates to the technical field of safety protection, in particular to a safety net tensioning device. Background Art

[0002] Safety nets are protective nets set up underneath or on the sides of buildings, equipment installations or skill performances at high altitudes to prevent accidents caused by falling people or objects. They are usually made of ropes.

[0003] In the prior art, the operating steps of some tensioning devices are cumbersome, requiring more manpower and time, which reduces work efficiency; and some devices are difficult to accurately adjust the tensioning force, which may cause over-tightening or over-loosening. Over-tightening may damage the safety net, while over-loosening cannot achieve effective protection. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art of complicated operation and difficulty in accurate tensioning force, and proposes a safety net tensioning device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: including: an unwinding mechanism, a stretching mechanism and a fixing mechanism; the unwinding mechanism includes a supporting base plate, a first bolt is inserted through the interior of the supporting base plate, the first bolt is threadedly connected to the supporting base plate, a pillar is fixedly installed on the top of the supporting base plate, a socket is penetrated through the interior of the pillar, a rotating shaft is inserted into the socket, a rotating roller is fixedly sleeved on the outer wall of the rotating shaft, the outer wall of the rotating roller is fixedly connected to the safety net body, a connecting plate is fixedly installed on one end of the safety net body, a pull ring is fixedly installed on one side of the connecting plate, a motor is fixedly installed on one side of the pillar, and the output end of the motor is fixedly connected to one end of the rotating shaft.

[0006] Preferably, the stretching mechanism comprises a supporting pad, a stretching support plate is fixedly mounted on the top of the supporting pad, and a connecting ring is fixedly mounted on one side of the stretching support plate.

[0007] Preferably, a mounting groove is provided through the interior of the tensile support plate, and a tension sensor is fixedly installed inside the mounting groove.

[0008] Preferably, a limit plate is fixedly installed on the top of the tension sensor, a second bolt is inserted through the inside of the limit plate, the second bolt is inserted into the inside of the stretching support plate, and the second bolt is threadedly connected to the limit plate and the stretching support plate.

[0009] Preferably, the fixing mechanism comprises a group of telescopic rods and a second clamping plate, the telescopic ends of a group of telescopic rods are fixedly mounted with the first clamping plate, and the first clamping plate is arranged on the top of the second clamping plate.

[0010] Preferably, a third bolt is inserted through the interior of the first clamping plate, the third bolt is threadedly connected to the first clamping plate and the second clamping plate, and rubber pads are fixedly installed on opposite sides of the first clamping plate and the second clamping plate.

[0011] Preferably, the pull ring is fixedly connected to the connecting ring and the tension sensor, a group of the telescopic rods are fixedly installed on the top of the supporting base plate, the second clamping plate is fixedly connected to the pillar, and the safety net body is arranged between the first clamping plate and the second clamping plate.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, a motor is fixedly installed on one side of the pillar, the output end of the motor is fixedly connected to one end of the rotating shaft, the safety net body is fixedly installed on the outer wall of the roller, and the motor is used to drive the roller to rotate to roll up the safety net, thereby improving the efficiency of rolling up the safety net body, reducing manpower consumption, optimizing the operation steps, and making it more practical.

[0014] 2. In the utility model, by setting a pull ring and a connecting ring and a tension sensor for fixed connection, the safety net body is laid to a suitable length, the supporting pad is fixedly installed on the ground, and then the length of the telescopic rod is adjusted to make the first clamping plate and the second clamping plate overlap, the safety net body is fixed, and the tension value is calculated by the tension sensor, which is convenient for adjusting the safety net body to a suitable tensioning state, so as to achieve a better protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of a safety net tensioning device is proposed for the utility model;

[0016] Figure 2 A three-dimensional diagram of an unwinding mechanism in a safety net tensioning device is provided for the utility model;

[0017] Figure 3 A three-dimensional diagram of a stretching mechanism in a safety net tensioning device is provided for the utility model;

[0018] Figure 4 The utility model provides a stereoscopic diagram of a fixing mechanism in a safety net tensioning device.

[0019] Legend: 1. Unwinding mechanism; 101. Support base plate; 102. First bolt; 103. Pillar; 104. Socket; 105. Rotating shaft; 106. Roller; 107. Safety net body; 108. Connecting plate; 109. Pull ring; 110. Motor; 2. Stretching mechanism; 201. Support pad; 202. Stretching support plate; 203. Connecting ring; 204. Mounting groove; 205. Tension sensor; 206. Limiting plate; 207. Second bolt; 3. Fixing mechanism; 301. Telescopic rod; 302. First clamping plate; 303. Second clamping plate; 304. Third bolt; 305. Rubber pad. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Example 1: Figure 1-Figure 4 As shown, the utility model provides a safety net tensioning device, including: a reeling mechanism 1, a stretching mechanism 2 and a fixing mechanism 3; the reeling mechanism 1 includes a supporting base plate 101, a first bolt 102 is inserted through the interior of the supporting base plate 101, the first bolt 102 is threadedly connected to the supporting base plate 101, a pillar 103 is fixedly installed on the top of the supporting base plate 101, a plug hole 104 is penetrated through the interior of the pillar 103, a rotating shaft 105 is inserted into the interior of the plug hole 104, a rotating roller 106 is fixedly sleeved on the outer wall of the rotating shaft 105, the outer wall of the rotating roller 106 is fixedly connected to a safety net body 107, a connecting plate 108 is fixedly installed on one end of the safety net body 107, a pull ring 109 is fixedly installed on one side of the connecting plate 108, a motor 110 is fixedly installed on one side of the pillar 103, and the output end of the motor 110 is fixedly connected to one end of the rotating shaft 105.

[0023] The effect achieved by the entire embodiment 1 is that a first bolt 102 is inserted through the inside of the support base plate 101, and the first bolt 102 is threadedly connected to the support base plate 101, so as to facilitate the fixed installation of the support base plate 101, a group of pillars 103 are fixedly installed on the top of the support base plate 101, a socket 104 is penetrated through the inside of the pillar 103, a rotating shaft 105 is inserted into the inside of the socket 104, a roller 106 is fixedly sleeved on the outer wall of the rotating shaft 105, and a safety net body 107 is fixedly connected to the outer wall of the rotating roller 106, a motor 110 is fixedly installed on one side of the pillar 103, and the motor 110 is fixedly connected to one end of the rotating shaft 105, and the motor 110 is used to drive the rotating roller 106 to rotate, thereby realizing the function of automatically winding up the safety net body 107, and then a connecting plate 108 is fixedly installed on one side of the safety net body 107, and a pull ring 109 is fixedly installed on one side of the connecting plate 108, so as to facilitate the connection of the stretching mechanism 2 and stretch the safety net body 107.

[0024] Example 2: Figure 1-Figure 4 As shown, the stretching mechanism 2 includes a support pad 201, a stretching support plate 202 is fixedly installed on the top of the support pad 201, and a connecting ring 203 is fixedly installed on one side of the stretching support plate 202; a mounting groove 204 is provided inside the stretching support plate 202, and a tension sensor 205 is fixedly installed inside the mounting groove 204; a limit plate 206 is fixedly installed on the top of the tension sensor 205, and a second bolt 207 is inserted through the inside of the limit plate 206, and the second bolt 207 is inserted into the inside of the stretching support plate 202, and the second bolt 207 is threadedly connected with the limit plate 206 and the stretching support plate 202; the fixing mechanism 3 includes a group of telescopic rods 301 and a second clamping plate 303, ... The telescopic end of the retractable rod 301 is fixedly installed with the first clamping plate 302, and the first clamping plate 302 is arranged on the top of the second clamping plate 303; the third bolt 304 is inserted through the inside of the first clamping plate 302, and the third bolt 304 is threadedly connected with the first clamping plate 302 and the second clamping plate 303, and the rubber pads 305 are fixedly installed on the opposite sides of the first clamping plate 302 and the second clamping plate 303; the pull ring 109 is fixedly connected with the connecting ring 203 and the tension sensor 205, a group of telescopic rods 301 are fixedly installed on the top of the supporting base plate 101, the second clamping plate 303 is fixedly connected with the pillar 103, and the safety net body 107 is arranged between the first clamping plate 302 and the second clamping plate 303.

[0025] The effect achieved by the entire embodiment 2 is that the stretching support plate 202 is fixedly installed on the top of the supporting pad 201, the connecting ring 203 is fixedly installed on one side of the stretching support plate 202, the installation groove 204 is penetrated through the inside of the stretching support plate 202, the tension sensor 205 is fixedly installed inside the installation groove 204, and the limit plate 206 is fixedly installed on the top of the tension sensor 205, the second bolt 207 is inserted into the inside of the limit plate 206 and the stretching support plate 202, and the second bolt 207 is provided to be threadedly connected with the limit plate 206 and the stretching support plate 202, so as to fix the tension sensor 205; then, the pull ring 109 is provided to be fixedly connected with the connecting ring 203 and the tension sensor 205, the safety net body 107 is laid to a suitable length, the supporting pad 201 is fixedly installed on the ground, and the two ends of the safety net body 107 are fixed; A set of telescopic rods 301 are fixedly installed, a first clamping plate 302 is fixedly connected to the telescopic end of the telescopic rod 301, a second clamping plate 303 is fixedly installed between the pillars 103, a rubber pad 305 is fixedly installed on the opposite side of the first clamping plate 302 and the second clamping plate 303, the safety net body 107 is set between the first clamping plate 302 and the second clamping plate 303, after adjusting the laying length of the safety net body 107, the length of the telescopic rod 301 is adjusted so that the first clamping plate 302 and the second clamping plate 303 overlap, the third bolt 304 is inserted into the inside of the first clamping plate 302 and the second clamping plate 303, the third bolt 304 is threadedly connected to the first clamping plate 302 and the second clamping plate 303, one end of the safety net body 107 is fixed, so as to control its tension, and then the tension sensor 205 is used to measure the tension of the safety net body 107, so as to accurately control the tension.

[0026] Working principle: When the device is in use, first, a first bolt 102 is inserted through the inside of the support base plate 101, and the first bolt 102 is threadedly connected to the support base plate 101 to facilitate the fixed installation of the support base plate 101. A group of pillars 103 are fixedly installed on the top of the support base plate 101, and a plug hole 104 is penetrated through the inside of the pillar 103. The shaft 105 is inserted into the inside of the plug hole 104, and a roller 106 is fixedly sleeved on the outer wall of the shaft 105. The outer wall of the roller 106 is fixedly connected to the safety net body 107, and the motor 110 is fixedly installed on one side of the pillar 103, and the motor 110 is fixedly connected to one end of the shaft 105. , the motor 110 is used to drive the roller 106 to rotate, thereby realizing the function of automatically winding the safety net body 107; secondly, a stretching support plate 202 is fixedly installed on the top of the supporting pad 201, a connecting ring 203 is fixedly installed on one side of the stretching support plate 202, a mounting groove 204 is penetrated inside the stretching support plate 202, a tension sensor 205 is fixedly installed inside the mounting groove 204, a limiting plate 206 is fixedly installed on the top of the tension sensor 205, a second bolt 207 is inserted into the limiting plate 206 and the stretching support plate 202, and a second bolt 207 is provided to be threadedly connected with the limiting plate 206 and the stretching support plate 202, so as to fix the tension sensor Then, a connecting plate 108 is fixedly installed at one end of the safety net body 107, a pull ring 109 is fixedly installed on one side of the connecting plate 108, and the pull ring 109 is fixedly connected to the connecting ring 203 and the tension sensor 205. The safety net body 107 is laid to a suitable length, and the support pad 201 is fixedly installed on the ground, and the two ends of the safety net body 107 are fixed; finally, a set of telescopic rods 301 is fixedly installed on the top of the supporting base plate 101, and a first clamping plate 302 is fixedly connected to the telescopic end of the telescopic rod 301, and a second clamping plate 303 is fixedly installed between the pillars 103, and the first clamping plate 302 and the second clamping plate 303 are fixedly installed at the corresponding positions of the first clamping plate 302 and the second clamping plate 303. A rubber pad 305 is fixedly installed on one side, and the safety net body 107 is set between the first clamping plate 302 and the second clamping plate 303. After adjusting the laying length of the safety net body 107, the length of the telescopic rod 301 is adjusted to make the first clamping plate 302 overlap with the second clamping plate 303, and the third bolt 304 is inserted into the first clamping plate 302 and the second clamping plate 303. The third bolt 304 is threadedly connected with the first clamping plate 302 and the second clamping plate 303 to fix one end of the safety net body 107, thereby controlling its tension, and then using the tension sensor 205 to measure the tension of the safety net body 107 to accurately control the tension.

[0027] The wiring diagram of the motor 110, the tension sensor 205 and the telescopic rod 301 in the present invention is common knowledge in the art, and its working principle is a well-known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the motor 110, the tension sensor 205 and the telescopic rod 301 are not explained in detail.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A safety net tensioning device, characterized in that: include: An unwinding mechanism (1), a stretching mechanism (2) and a fixing mechanism (3); The unwinding mechanism (1) comprises a supporting base plate (101), a first bolt (102) is inserted through the interior of the supporting base plate (101), the first bolt (102) is threadedly connected to the supporting base plate (101), a pillar (103) is fixedly installed on the top of the supporting base plate (101), a plug hole (104) is inserted through the interior of the pillar (103), a rotating shaft (105) is inserted into the interior of the plug hole (104), a rotating roller (106) is fixedly sleeved on the outer wall of the rotating shaft (105), the outer wall of the rotating roller (106) is fixedly connected to a safety net body (107), a connecting plate (108) is fixedly installed on one end of the safety net body (107), a pull ring (109) is fixedly installed on one side of the connecting plate (108), a motor (110) is fixedly installed on one side of the pillar (103), and an output end of the motor (110) is fixedly connected to one end of the rotating shaft (105).

2. The safety net tensioning device according to claim 1, characterized in that: The stretching mechanism (2) comprises a supporting pad (201), a stretching support plate (202) is fixedly mounted on the top of the supporting pad (201), and a connecting ring (203) is fixedly mounted on one side of the stretching support plate (202).

3. The safety net tensioning device according to claim 2, characterized in that: An installation groove (204) is provided through the interior of the stretch support plate (202), and a tension sensor (205) is fixedly installed inside the installation groove (204).

4. The safety net tensioning device according to claim 3, characterized in that: A limit plate (206) is fixedly mounted on the top of the tension sensor (205), a second bolt (207) is inserted through the interior of the limit plate (206), the second bolt (207) is inserted into the interior of the stretching support plate (202), and the second bolt (207) is threadedly connected to the limit plate (206) and the stretching support plate (202).

5. The safety net tensioning device according to claim 3, characterized in that: The fixing mechanism (3) comprises a group of telescopic rods (301) and a second clamping plate (303), wherein the telescopic ends of the group of telescopic rods (301) are fixedly mounted with the first clamping plate (302), and the first clamping plate (302) is arranged on the top of the second clamping plate (303).

6. The safety net tensioning device according to claim 5, characterized in that: A third bolt (304) is inserted through the interior of the first clamping plate (302), and the third bolt (304) is threadedly connected to the first clamping plate (302) and the second clamping plate (303). Rubber pads (305) are fixedly installed on opposite sides of the first clamping plate (302) and the second clamping plate (303).

7. The safety net tensioning device according to claim 5, characterized in that: The pull ring (109) is fixedly connected to the connecting ring (203) and the tension sensor (205); a group of telescopic rods (301) are fixedly installed on the top of the supporting base plate (101); the second clamping plate (303) is fixedly connected to the support column (103); and the safety net body (107) is arranged between the first clamping plate (302) and the second clamping plate (303).