Fire-fighting safety rope strength detection device
By simulating wall edge friction in the fire safety rope testing device, and combining a tension sensor and a hydraulic system, the problem of discrepancies between safety rope test results and actual use in existing technologies has been solved, achieving a more accurate safety rope performance evaluation.
Patent Information
- Application Number
- CN202520373008.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-05
AI Technical Summary
Existing fire safety rope testing devices fail to effectively simulate the friction between the safety rope and the sharp edges of the wall when testing the strength of the safety rope, resulting in test results that do not match actual usage conditions.
A fire safety rope strength testing device was designed. By simulating the friction effect between the safety rope and the wall edges, and combining a tension sensor and a hydraulic system, the device simulates the friction environment of the safety rope in actual use and tests the strength of the safety rope.
This improves the accuracy of safety rope strength testing, enabling it to more accurately reflect the performance of safety ropes in actual use and enhancing the reliability and convenience of test results.
Smart Images

Figure CN223910673U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to safety rope detection technical field, concretely is a fire safety rope strength detection device. BACKGROUND
[0002] Safety rope is usually woven with synthetic fiber, and the safety rope materials used in different working occasions are divided into nylon, silk, dupont silk and the like, and have different characteristics.
[0003] The safety rope detection device disclosed in the publication No. CN219434516U comprises a base, a support frame A, a fixing frame, a support plate, a support frame B, the base is fixedly installed with the support frame A at the top, the fixing frame is fixedly installed on the upper and lower sides of the two ends of the outer side of the support frame A, the support plate is arranged between the opposite two fixing frames, the support frame B is fixedly installed on the opposite surface of the support plate, the fixing frame is provided with a tension detection mechanism on the outer side, and the support frame B is provided with a clamping and winding mechanism on the outer side.
[0004] The above device detects the strength of the safety rope by using tension when in use, so as to detect the tensile performance of the safety rope, but in the actual use process, the safety rope itself will rub against the edges and corners of the wall when bearing the descending personnel, the friction will wear the safety rope, and then affect the strength of the safety rope itself, so that the data measured by the above device is different from the actual use situation, therefore, the fire safety rope strength detection device is provided. UTILITY MODEL CONTENTS
[0005] The utility model provides a fire safety rope strength detection device in view of the deficiency in the prior art, which simulates the friction effect of the safety rope and the edges and corners of the wall in the real situation, so as to more accurately test the performance strength of the safety rope in the actual use environment.
[0006] In order to solve the above technical problems, the utility model solves the problem that the prior art only tests the tensile performance of the safety rope by means of the following technical scheme.
[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0008] A fire safety rope strength detection device comprises a base and an adjusting assembly, the base is provided with a simulated wall, the simulated wall is provided with a fixing seat for fixing one end of the safety rope, the outer side of the simulated wall is provided with a tension sensor for fixing the other end of the safety rope, the base is provided with a mounting seat, the mounting seat is fixedly provided with a first hydraulic cylinder for driving the tension sensor to move downward, the adjusting assembly is arranged on the outer side of the simulated wall and is used for driving the mounting seat to move back and forth.
[0009] Preferably, the adjusting assembly comprises an adjusting motor, the outer side of the simulation wall body is provided with a mounting frame fixed on the base, the adjusting motor is fixed on the outer side of the mounting frame, a mounting seat is slidingly arranged in the mounting frame, a screw rod is rotatably arranged in the mounting frame, one end of the screw rod is fixed to the output end of the adjusting motor, and the screw rod is in threaded connection with the mounting seat.
[0010] Preferably, a support frame is fixed on the top of the mounting seat, a support seat is slidingly arranged on the support frame, the tension sensor is fixed on the top of the support seat, the bottom of the support seat is fixed to the output end of the first hydraulic cylinder, and the first hydraulic cylinder is arranged in the support frame.
[0011] Preferably, a second hydraulic cylinder is fixed in the simulation wall body, and the output end of the second hydraulic cylinder is fixed to the fixing seat.
[0012] Preferably, a friction sleeve in contact with the safety rope is arranged on the top of the simulation wall body.
[0013] Preferably, bolts are symmetrically arranged on the outer side of the friction sleeve and are in threaded connection with the simulation wall body.
[0014] Preferably, a guide frame is fixed on the top of the support frame.
[0015] Preferably, a roller is rotatably arranged in the guide frame.
[0016] Preferably, the outer side of the roller is flush with the tension end of the tension sensor.
[0017] Preferably, a scale line is arranged on the outer side of the mounting frame.
[0018] Compared with the prior art, the simulation wall body has the following beneficial effects:
[0019] The simulation wall body is arranged, one end of the safety rope is arranged in the simulation wall body, the other end of the safety rope is arranged outside the simulation wall body, the tension sensor is used for recording the tension of the safety rope, the simulation wall body and the safety rope are used for simulating the friction environment of the safety rope in actual use, the strength of the safety rope is tested, and the performance of the safety rope in actual use is tested.
[0020] The mounting frame is arranged on the base, the adjusting motor is used for driving the screw rod to rotate, the mounting seat is driven to move back and forth in the mounting frame, the fixed rope is driven to rub back and forth on the simulation wall body, the safety rope is driven to swing back and forth when a person descends by using the safety rope in actual use, and the safety rope is driven to rub back and forth at the contact position with the wall body. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.
[0022] Figure 1 It is a schematic diagram of the overall structure of the present application.
[0023] Figure 2 It is a schematic diagram of the internal structure of the simulated wall of the present application.
[0024] Figure 3 It is a schematic diagram of the structure of the mounting rack part of the present application.
[0025] Figure 4 It is a schematic diagram of the top view of the mounting rack part of the present application.
[0026] Figure 5 It is a schematic diagram of the structure of the friction sleeve part of the present application.
[0027] Figure 6 It is a schematic diagram of the structure of the roller part of the present application.
[0028] Figure number explanation: 1, base; 2, simulated wall; 3, fixed seat; 4, tension sensor; 5, mounting seat; 6, first hydraulic cylinder; 7, adjusting assembly; 8, adjusting motor; 9, mounting rack; 10, lead screw; 11, support frame; 12, support seat; 13, second hydraulic cylinder; 14, friction sleeve; 15, bolt; 16, guide frame; 17, roller; 18, scale line. DETAILED DESCRIPTION
[0029] The present application will be described in further detail below with reference to the drawings. EMBODIMENT
[0030] Please refer to Figures 1-6The application discloses a fire safety rope strength detection device which comprises a base 1 and an adjusting assembly 7, the base 1 is provided with a simulated wall body 2, the simulated wall body 2 is provided with a fixing seat 3 for fixing one end of the safety rope, the outer side of the simulated wall body 2 is provided with a tension sensor 4 for fixing the other end of the safety rope, the base 1 is provided with a mounting seat 5, the mounting seat 5 is fixedly provided with a first hydraulic cylinder 6 for driving the tension sensor 4 to move downwards, one end of the safety rope is tied to the fixing seat 3, the other end of the safety rope is tied to a fixing ring of the tension sensor 4, the safety rope is pulled by the first hydraulic cylinder 6, so that the safety rope is in contact with the simulated wall body 2, the friction effect of the safety rope and the wall body corner in the actual use environment is simulated, the tension sensor 4 displays the tension of the safety rope under the force, so that the staff can intuitively detect the safety rope, and the convenience of the device in use is improved.
[0031] The adjusting assembly 7 is arranged on the outer side of the simulated wall body 2 and is used for driving the mounting seat 5 to move back and forth, the mounting seat 5 is driven by a lead screw 10 to move back and forth on the outer side of the simulated wall body 2, so that the one end of the safety rope on the outer side of the simulated wall body 2 swings back and forth, and the situation that the safety rope swings back and forth at the contact position of the wall body corner in the actual use environment is simulated.
[0032] Some embodiments of the application will be described in detail below with reference to the accompanying drawings:
[0033] Please refer to Figures 1-6 The one end of the safety rope is arranged in the simulated wall body 2, and the other end of the safety rope is arranged outside the simulated wall body 2, the tension of the safety rope is recorded by the tension sensor 4, the friction environment of the safety rope in the actual use is simulated by the contact between the simulated wall body 2 and the safety rope, the strength of the safety rope is tested, and the performance of the safety rope in the actual use is tested.
[0034] The adjusting assembly 7 comprises an adjusting motor 8, the outer side of the simulated wall body 2 is provided with a mounting frame 9, the mounting frame 9 is fixedly arranged on the base 1, the adjusting motor 8 is fixedly arranged on the outer side of the mounting frame 9, the mounting seat 5 is slidingly arranged in the mounting frame 9, the mounting frame 9 is rotatably provided with the lead screw 10, one end of the lead screw 10 is fixedly connected with the output end of the adjusting motor 8, and the lead screw 10 is in threaded connection with the mounting seat 5.
[0035] Meanwhile, the mounting seat 5 is fixedly provided with a supporting frame 11 on the top, the supporting seat 12 is slidingly arranged on the supporting frame 11, the tension sensor 4 is fixedly arranged on the top of the supporting seat 12, the bottom of the supporting seat 12 is fixedly connected with the output end of the first hydraulic cylinder 6, and the first hydraulic cylinder 6 is arranged in the supporting frame 11.
[0036] The principle of detecting the strength of the safety rope in the actual use environment will be described below:
[0037] First, one end of the safety rope is tied to the fixed seat 3, and the other end of the safety rope is tied to the fixed ring of the tension sensor 4, at this time the safety rope is in contact with the simulation wall 2 to simulate the contact of the safety rope with the wall in the actual use environment;
[0038] Then, the support seat 12 is driven downward by the first hydraulic cylinder 6, thereby driving the tension sensor 4 to move downward, at this time the safety rope is straight, and as the support seat 12 continues to move downward, the tension of the safety rope increases, and the tension of the safety rope is displayed by the tension sensor 4, which is convenient for the staff to read;
[0039] By adjusting the motor 8 to drive the screw rod 10 to rotate, the mounting seat 5 moves in the mounting frame 9, and by reversing the screw rod 10, the mounting seat 5 moves back and forth, thereby driving the fixed rope to rub back and forth on the simulation wall 2, simulating the actual use process, when the personnel descend by using the safety rope, the safety rope will swing back and forth, thereby causing the safety rope to rub back and forth at the contact position with the wall corner.
[0040] In the technical solution, as shown in Figure 2 , the second hydraulic cylinder 13 is fixedly arranged in the simulation wall 2, the output end of the second hydraulic cylinder 13 is fixed to the fixed seat 3, and the height of the fixed seat 3 in the simulation wall 2 is adjusted by the second hydraulic cylinder 13, so that the contact area of the safety rope with the simulation wall 2 when the safety rope is bent by the simulation wall 2 from the fixed seat 3 is adjusted, thereby simulating the height difference between the point where the safety rope is bound in the actual use environment and the window sill or other wall, to simulate the performance strength of the safety rope in different use environments.
[0041] In the technical solution, as shown in Figure 1 and Figure 5 , the friction sleeve 14 in contact with the safety rope is arranged on the top of the simulation wall 2, the safety rope is in contact with the simulation wall 2 through the friction sleeve 14, further, the bolts 15 are symmetrically arranged outside the friction sleeve 14, the bolts 15 are in threaded connection with the simulation wall 2, and by replacing the friction sleeve 14 with different friction surfaces, the friction effect of the wall with different materials in the actual use of the safety rope is simulated.
[0042] In the technical solution, as shown in Figure 3 and Figure 6 , the guide frame 16 is fixedly arranged on the top of the support frame 11, the roller 17 is rotatably arranged in the guide frame 16, the outer side of the roller 17 is flush with the tension end of the tension sensor 4, the roller 17 is arranged to reduce the friction force of the safety rope when the safety rope moves on the roller 17, to ensure that the part of the safety rope in contact with the tension sensor 4 is in a vertical state, thereby ensuring that the tension forces at both ends of the tension sensor 4 are in the same straight line, and ensuring the accuracy of the test effect of the tension sensor 4.
[0043] In the technical solution, as shown inFigure 4 As shown, the mounting frame 9 is provided with a scale line 18 outside, and further, the scale line 18 is marked in a manner that the middle is zero point, gradually expanding to both sides, and the amplitude of the back and forth swing of the mounting seat 5 can be directly observed through the scale line 18.
[0044] It should be understood by those skilled in the art that the above description and the embodiments of the utility model shown in the drawings are only examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the implementation of the utility model can be any deformation or modification without departing from the principle.
Claims
1. A strength testing device for fire-fighting safety ropes, characterized in that, include: A base (1) is provided with a simulated wall (2), a fixing seat (3) for fixing one end of a safety rope is provided inside the simulated wall (2), a tension sensor (4) for fixing the other end of the safety rope is provided outside the simulated wall (2), a mounting seat (5) is provided on the base (1), and a first hydraulic cylinder (6) for driving the tension sensor (4) to move down is fixed on the mounting seat (5). Adjustment component (7), which is located on the outside of the simulated wall (2), is used to drive the mounting base (5) to move back and forth.
2. The fire-fighting safety rope strength testing device according to claim 1, characterized in that: The adjustment component (7) includes an adjustment motor (8), and a mounting bracket (9) is provided on the outside of the simulated wall (2). The mounting bracket (9) is fixedly mounted on the base (1). The adjustment motor (8) is fixedly mounted on the outside of the mounting bracket (9). The mounting seat (5) is slidably mounted inside the mounting bracket (9). A lead screw (10) is rotatably mounted inside the mounting bracket (9). One end of the lead screw (10) is fixed to the output end of the adjustment motor (8). The lead screw (10) is threadedly connected to the mounting seat (5).
3. The fire-fighting safety rope strength testing device according to claim 2, characterized in that: The mounting base (5) is fixedly provided with a support frame (11) on top, and a support seat (12) is slidably provided on the support frame (11). The tension sensor (4) is fixedly provided on the top of the support seat (12), and the bottom of the support seat (12) is fixed to the output end of the first hydraulic cylinder (6). The first hydraulic cylinder (6) is located inside the support frame (11).
4. The fire-fighting safety rope strength testing device according to claim 1, characterized in that: The simulated wall (2) is fixedly equipped with a second hydraulic cylinder (13), and the output end of the second hydraulic cylinder (13) is fixed to the fixed seat (3).
5. The fire-fighting safety rope strength testing device according to claim 4, characterized in that: The simulated wall (2) has a friction sleeve (14) at the top that contacts the safety rope.
6. The fire-fighting safety rope strength testing device according to claim 5, characterized in that: Bolts (15) are symmetrically provided on the outer side of the friction sleeve (14), and the bolts (15) are threadedly connected to the simulated wall (2).
7. The fire-fighting safety rope strength testing device according to claim 3, characterized in that: The top of the support frame (11) is fixedly provided with a guide frame (16).
8. The fire-fighting safety rope strength testing device according to claim 7, characterized in that: The guide frame (16) is equipped with a rotating roller (17).
9. The fire-fighting safety rope strength testing device according to claim 8, characterized in that: The outer side of the roller (17) is flush with the tension end of the tension sensor (4).
10. A fire-fighting safety rope strength testing device according to claim 2, characterized in that: The mounting bracket (9) has scale lines (18) on its outer side.
Citation Information
Patent Citations
Fire safety rope detection device
CN219434516U