Descent speed testing mechanism for slow descent device

Abstract

The utility model relates to the technical field of descent control device / descent control device testing, and particularly provides a descent speed testing mechanism for a descent control device, which comprises a testing frame with the height not less than 15 meters; the winding assembly is fixedly connected to the top of the testing frame, a rope is wound on the winding assembly, the end, away from the winding assembly, of the rope is fixedly connected with a suspension assembly, and a plurality of first lifting hooks are arranged on the suspension assembly to fix an escape descent control device; the standard weight is fixedly connected to the escape descent control device, an electric lock catch is further fixedly connected to the suspension assembly, and the electric lock catch is fixedly connected with the standard weight and can be disconnected from the standard weight under the control of a remote controller; the speed detection assembly is used for detecting the descending speed of the standard weight and transmitting the descending speed to electronic equipment of a user; the device has the advantages of simplicity and convenience in measurement, high efficiency and small burden on workers.

Description

Technical Field

[0001] The utility model relates to the technical field of escape descent control device testing, in particular to a descent speed testing mechanism for a descent control device. Background Art

[0002] The descending device / descender is composed of a speed control governor, a hook (or a lifting ring), a sling (or a safety belt), a rope, a safety hook and a metal connector. It is a device that allows people to slowly descend along the rope (belt). It can be installed with special installation equipment in the window, balcony or flat roof of a building for escape, etc.; it can also be installed on a high-rise fire truck for emergency escape of victims in a high-rise building fire; it can also be used for high-altitude operations such as wind power towers, offshore oil and gas towers, rack and pinion elevators and other workplaces for vertical automatic or manual descent.

[0003] Since the descent control device / descender is a kind of personal protective equipment for fall protection, its safety needs to be strictly controlled. The current test method for the escape descender is generally to build a high platform according to the test standard, and fix the escape descender on the high platform, by hoisting a heavy object of standard mass on the escape descender, and calculating the falling speed of the heavy object during the falling process of the heavy object, and evaluating the reliability of the escape descender by the falling speed. However, the current testing mechanism requires manual climbing up the high platform and fixing the heavy object. This method not only has low test efficiency, but also requires the heavy object to be carried to the high platform, which puts a heavy burden on the staff. Therefore, the present application proposes a descent speed testing mechanism for a descent control device. Utility Model Content

[0004] The utility model aims to provide a descending speed testing mechanism for a descending slow device, so as to solve the problem that the current escape descending slow device requires the staff to climb up the test platform to fix the heavy objects, thus increasing the workload.

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

[0006] A descending speed testing mechanism for a descending slow device, the testing mechanism comprising:

[0007] A test stand, the height of which is not less than 15 meters;

[0008] A winding assembly fixedly connected to the top of the test frame, a rope wound on the winding assembly, an end of the rope away from the winding assembly is fixedly connected to a suspension assembly, and a plurality of first hooks are provided on the suspension assembly to fix the escape descender;

[0009] A standard weight, wherein the standard weight is fixedly connected to the escape descender, and an electric lock is also fixedly connected to the suspension assembly, wherein the electric lock is fixedly connected to the standard weight and can be disconnected from the standard weight under the control of a remote controller;

[0010] The speed detection component is used to detect the descending speed of the standard weight and transmit it to the user's electronic device.

[0011] Furthermore, the test frame is also provided with a climbing ladder, which is a step fixed on the test frame, and the test frame is provided with a maintenance platform.

[0012] Furthermore, the suspension assembly includes a hanging plate and a second hanging hook, the second hanging hook is fixedly connected to the hanging plate, the first hanging hook is fixedly connected to the hanging plate, and two of the first hanging hooks are provided.

[0013] Furthermore, the testing mechanism also includes:

[0014] A positioning assembly is used to position the suspension assembly so that the suspension plate remains in a horizontal state.

[0015] Furthermore, a positioning block is fixedly connected to the suspension assembly, and the positioning block is a conical block. The first hook passes through the hanging plate and is fixed on the positioning block, and the second hook is fixed on the top of the positioning block. The positioning assembly is a bell-mouth structure, and the outer diameter of the hanging plate is larger than the outer diameter of the mouth of the positioning assembly. The small end of the positioning assembly is fixedly connected to the top of the test frame, and when the suspension assembly is tightened by the winding assembly to the top of the test frame, the positioning block is inserted into the mouth of the positioning assembly.

[0016] Furthermore, the standard weight is a weight with adjustable weight.

[0017] Furthermore, the standard weight includes a shell with a hollow interior and a feeding hole and a lifting hook arranged on the shell. The shell and the feeding hole are processed by injection molding, and the lifting hook is fixedly connected to the shell by bolts or welding.

[0018] Furthermore, the speed detection assembly is fixedly connected to directly below the suspension assembly.

[0019] In summary, compared with the prior art, the present invention has the following beneficial effects:

[0020] The descent speed testing mechanism for the descent control device disclosed in the embodiment of the utility model drives the suspension component to rise and fall through the winding component. During installation, the suspension component is lowered to the ground through the winding component, so that the staff can install the escape descent control device conveniently. By fixing the standard weight to the escape descent control device and the suspension component, and the standard weight and the suspension component are connected through a disconnectable electric lock, when the reliability of the escape descent control device is tested, the suspension component is driven to rise to a preset height through the winding component, and then the electric lock is disconnected, so that the standard weight can descend under the action of gravity, and the descent speed of the standard weight is measured through the set speed detection component, so as to test the reliability of the escape descent control device. Compared with the traditional testing method, the utility model has the advantages of simple and convenient measurement, high efficiency and less burden on the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The present invention is a schematic diagram of the structure of a descending speed testing mechanism for a descending control device disclosed in an embodiment of the present utility model.

[0022] Figure 2 for Figure 1 A partial enlarged view of point I in the middle.

[0023] Figure 3 for Figure 1 A partial enlarged view of point II in the middle.

[0024] Figure 4 It is a schematic diagram of the structure of a standard weight in a descent speed testing mechanism for a descent control device disclosed in an embodiment of the utility model.

[0025] Reference numerals:

[0026] 10. Test frame; 11. Climbing ladder; 20. Suspension assembly; 21. Hanging plate; 22. First hook; 23. Positioning block; 24. Second hook; 30. Positioning assembly; 40. Winding assembly; 50. Standard weight; 51. Shell; 52. Feeding hole; 53. Lifting hook; 54. Third hook; 60. Electric lock; 70. Speed ​​detection assembly; 80. Escape descender. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] like Figures 1 to 3As shown, an embodiment of the utility model provides a descending speed testing mechanism for a descending device, the testing mechanism comprising:

[0029] A test stand 10, wherein the height of the test stand 10 is not less than 15 meters;

[0030] A winding assembly 40 is fixedly connected to the top of the test frame 10, a rope is wound around the winding assembly 40, and one end of the rope away from the winding assembly 40 is fixedly connected to a suspension assembly 20, and a plurality of first hooks 22 are provided on the suspension assembly 20 to fix the escape slow-down device;

[0031] A standard weight 50, wherein the standard weight 50 is fixedly connected to the escape descender, and an electric lock 60 is also fixedly connected to the suspension assembly 20, and the electric lock 60 is fixedly connected to the standard weight 50 and can be disconnected from the standard weight 50 under the control of a remote controller;

[0032] The speed detection component 70 is used to detect the descending speed of the standard weight 50 and transmit it to the user's electronic device.

[0033] In this embodiment, when testing the escape descender, first, the rope is released through the winding assembly 40, and the suspension assembly 20 descends to the ground under the action of gravity, and the escape descender 80 is fixed to the hanging plate 21 through its own hook, and then the standard weight 50 is fixed to the descending end of the escape descender 80, and the standard weight 50 and the suspension assembly 20 are fixed by the electric lock 60, and then the rope is wound by the winding assembly 40, and the winding assembly 40 hangs the suspension assembly 20 to the top of the test frame 10, and then the electric lock 60 is controlled by the remote control to disconnect the connection with the standard weight 50, and the standard weight 50 drives the descending end of the escape descender 80 to descend under the action of gravity, and the speed detection assembly 70 obtains the descending speed of the standard weight 50 and sends it to the user's electronic device (such as a computer, mobile phone, etc.).

[0034] The descent speed testing mechanism for the descent control device disclosed in the embodiment of the utility model drives the suspension component 20 to rise and fall through the winding component 40. During installation, the suspension component 20 is lowered to the ground through the winding component 40, so that the staff can easily install the escape descender 80. By fixing the standard weight 50 to the escape descender 80 and the suspension component 20, and the standard weight 50 and the suspension component 20 are connected through a disconnectable electric lock 60, when testing the reliability of the escape descender 80, the suspension component 20 is driven to rise to a preset height through the winding component 40, and then the electric lock 60 is disconnected, so that the standard weight 50 can descend under the action of gravity, and the descending speed of the standard weight 50 is measured by the set speed detection component 70, so as to test the reliability of the escape descender 80. Compared with the traditional testing method, the utility model has the advantages of simple and convenient measurement, high efficiency and less burden on the staff.

[0035] Specifically, in this embodiment, the test frame 10 is a steel support structure in the prior art, such as the test frame 10 is formed by connecting square steel and channel steel by bolts to form a square support structure with a hollow interior;

[0036] In this embodiment, a climbing ladder 11 is further provided on the test frame 10. The climbing ladder 11 can be a ladder fixed on the test frame 10 or an elevator installed on the side of the test frame 10, so that the user can climb to the top of the test frame 10 to repair the equipment on the test frame 10. At the same time, the staff can also install an escape descender 80 on the suspension assembly 20. The test frame 10 is provided with an inspection platform, which can be fixed to the test frame 10 by a steel plate to form a horizontal platform.

[0037] like Figure 2 As shown, the suspension assembly 20 includes a suspension plate 21 and a second hook 24, the second hook 24 is fixedly connected to the suspension plate 21, the first hook 22 is fixedly connected to the suspension plate 21, two first hooks 22 are provided, and the escape descender 80 is installed on the first hook 22 through its own carabiner, so that the escape descender 80 is hoisted on the suspension assembly 20;

[0038] In this embodiment, the first hook 22 and the second hook 24 are connected to the hanging plate 21 by threads, and the telescopic end of the winding assembly 40 is fixed to the second hook 24 by a rope buckle;

[0039] As a preferred implementation in this embodiment, the testing mechanism further includes:

[0040] A positioning assembly 30, the positioning assembly 30 is used to position the suspension assembly 20 so that the suspension plate 21 maintains a horizontal state;

[0041] Specifically, a positioning block 23 is fixedly connected to the suspension assembly 20, and the positioning block 23 is a conical block. The first hook 22 passes through the hanging plate 21 and is screwed onto the positioning block 23 by threads, and the second hook 24 is screwed onto the top of the positioning block 23 by threads. The positioning assembly 30 is a bell-mouth structure, and the outer diameter of the hanging plate 21 is larger than the outer diameter of the mouth of the positioning assembly 30. The small end of the positioning assembly 30 is fixedly connected to the top of the test frame 10 by a bolt structure. When the suspension assembly 20 is tightened on the top of the test frame 10 by the winding assembly 40, the positioning block 23 is inserted into the mouth of the positioning assembly 30, so that the end of the positioning assembly 30 can abut against the hanging plate 21, so that the hanging plate 21 can be horizontal. The mouth of the positioning assembly 30 is horizontally arranged, so that when the hanging plate 21 abuts against the mouth of the positioning assembly 30, the hanging plate 21 can be arranged horizontally. The rope of the winding assembly 40 passes through the top of the test frame 10 and the end of the positioning assembly 30 and is fixedly connected to the second hook 24.

[0042] In this embodiment, the winding assembly 40 is a prior art, and the winding assembly 40 includes a rope winding roller and a rope winding motor. The rope winding roller is rotatably connected to the top of the test frame 10 through a roller bracket, and the rope winding motor is connected to the rope winding roller through a belt structure. The rope winding motor drives the rope winding roller to release and reel in the rope through forward and reverse rotation, thereby allowing the suspension assembly 20 to be raised and lowered.

[0043] As a preferred implementation in this embodiment, Figure 4 As shown, the standard weight 50 is a weight with adjustable weight;

[0044] Preferably, the standard weight 50 includes a shell 51 with a hollow interior and a feeding hole 52 and a lifting hook 53 arranged on the shell 51. The shell 51 and the feeding hole 52 are processed by injection molding. The lifting hook 53 is fixedly connected to the shell 51 by bolts or welding. When the weight of the standard weight 50 is changed, sand or water is added to the standard weight 50. The third hook 54 is fixed to the standard weight 50 by a threaded connection.

[0045] In other examples of this embodiment, the standard weight 50 may also be replaced by a combination of multiple standard weights.

[0046] The electric lock 60 is a prior art, for example, the electric lock 60 is an electromagnet structure, the electric lock 60 also includes a power supply device, the device is a power source, and the electric lock 60 also includes a communication device, such as Bluetooth or infrared communication, for connecting a remote control.

[0047] The speed detection component 70 is a microwave radar or an acoustic wave radar, which is used to measure the position change of the standard weight 50 . The speed detection component 70 is fixedly connected to the bottom of the suspension component 20 .

[0048] The terms used in the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The singular forms "a", "the" and "the" used in the present invention and the appended claims are also intended to include plural forms unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0049] It should be understood that although the terms first, second, third, etc. may be used in the present invention to describe various information, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining".

[0050] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A descending speed testing mechanism for a descending device, characterized in that: The testing organization includes: A test stand, the height of which is not less than 15 meters; A winding assembly fixedly connected to the top of the test frame, a rope wound around the winding assembly, an end of the rope away from the winding assembly fixedly connected to a suspension assembly, and a plurality of first hooks are provided on the suspension assembly to fix the escape descender; A standard weight, wherein the standard weight is fixedly connected to the escape descender, and an electric lock is also fixedly connected to the suspension assembly, wherein the electric lock is fixedly connected to the standard weight and can be disconnected from the standard weight under the control of a remote controller; The speed detection component is used to detect the descending speed of the standard weight and transmit it to the user's electronic device.

2. The descending speed testing mechanism for a descending device according to claim 1, characterized in that: The test frame is also provided with a climbing ladder, which is a step fixed on the test frame. The test frame is provided with a maintenance platform.

3. The descending speed testing mechanism for a descending device according to claim 1, characterized in that: The suspension assembly includes a hanging plate and a second hanging hook, wherein the second hanging hook is fixedly connected to the hanging plate, and the first hanging hook is fixedly connected to the hanging plate, and two first hanging hooks are provided.

4. The descending speed testing mechanism for a descending device according to claim 3, characterized in that: The testing organization also includes: A positioning assembly is used to position the suspension assembly so that the suspension plate remains in a horizontal state.

5. The descending speed testing mechanism for a descending device according to claim 4, characterized in that: A positioning block is fixedly connected to the suspension assembly, and the positioning block is a conical block. The first hook passes through the hanging plate and is fixed on the positioning block, and the second hook is fixed on the top of the positioning block. The positioning assembly is a bell-mouth structure, and the outer diameter of the hanging plate is larger than the outer diameter of the mouth of the positioning assembly. The small end of the positioning assembly is fixedly connected to the top of the test frame. When the suspension assembly is tightened by the winding assembly to the top of the test frame, the positioning block is inserted into the mouth of the positioning assembly.

6. The descending speed testing mechanism for a descending device according to any one of claims 1 to 5, characterized in that: The standard weight is an adjustable weight.

7. The descending speed testing mechanism for a descending device according to claim 6, characterized in that: The standard weight includes a shell with a hollow interior, and a feeding hole and a lifting hook arranged on the shell. The shell and the feeding hole are processed by injection molding, and the lifting hook is fixedly connected to the shell by bolts or welding.

8. The descending speed testing mechanism for a descending device according to any one of claims 1 to 5, characterized in that: The speed detection assembly is fixedly connected to the lower part of the suspension assembly.

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