Escalator brake test load carrying device

By designing the escalator braking test load handling device, the automatic load handling is achieved using a telescopic structure and reverse chain, which solves the problem of labor-consuming and safety hazards in manual handling, and achieves efficient and safe load handling.

CN222892875UActive Publication Date: 2025-05-23SHANXI PROVINCIAL INSPECTION & TESTING CENT (SHANXI PROVINCIAL INST OF STANDARDS & METROLOGY TECH)
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Patent Information

Application Number
CN202520724346.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2025-05-23
Estimated Expiration
2035-04-17

AI Technical Summary

Technical Problem

In the prior art, the handling of escalator braking test loads requires manual operation, which consumes a lot of manpower and poses a large safety hazard.

Method used

An escalator braking test load handling device is designed, using retractable top rods, long oblique struts and short oblique struts to realize parallel load handling through inverted chains and track beams.

Benefits of technology

It greatly reduces the handling workload of the inspectors, saves manpower and material resources, and improves the safety and convenience of operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an escalator brake test load carrying device, which relates to the field of escalator detection auxiliary devices and comprises an ejector rod, two long inclined support rods and two short inclined support rods are respectively arranged at two ends of the ejector rod, rotatable cross-shaped wheel carriers are arranged at the bottoms of the long inclined support rods and the short inclined support rods, rollers are respectively arranged at four corners of the cross-shaped wheel carriers, and the cross-shaped wheel carriers are connected with the rollers. A first hanging bracket is arranged on the lower portion of one side of the ejector rod, a hinge is arranged on the lower portion of the first hanging bracket and hinged to a track beam, the lower portion of the other side of the ejector rod is movably connected with the track beam, and a chain block is arranged on the track beam. And the test load of one escalator is parallelly carried to the other escalator through the lifting hook of the chain block. According to the utility model, the workload of carrying test loads by detection personnel can be greatly reduced, and manpower and material resources are greatly saved; the folding design is adopted, and transportation and transferring to a workplace are facilitated after folding.
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Description

Technical Field

[0001] The utility model relates to the field of escalator detection auxiliary devices, in particular to an escalator braking test load carrying device. Background Art

[0002] As the core safety component of escalators, the braking system plays an important role in the safety, reliability and comfort of escalators.

[0003] In order to ensure the safe operation of escalators and reduce and avoid escalator accidents caused by braking system problems, it is necessary to conduct a braking test on the escalator. The specific operation is to place a certain number of weights exceeding the rated load on the escalator pedals and accelerate the escalator to fall, in order to confirm whether the escalator can achieve automatic braking.

[0004] However, in actual tests, when two escalators are installed adjacent to each other in parallel, after one escalator is tested, the weights are moved from one escalator to the other manually, which is very labor-intensive and labor-intensive, and poses a major safety hazard.

[0005] Therefore, it is necessary to develop a load handling device for escalator braking test. Utility Model Content

[0006] The utility model aims to design an escalator brake test load handling device in view of the deficiencies in the prior art, so as to solve the problems that manual handling consumes manpower and has great potential safety hazards.

[0007] In order to achieve the above-mentioned purpose, the utility model provides an escalator braking test load carrying device, which adopts the following technical scheme: a top rod, two long diagonal braces and two short diagonal braces are respectively arranged at both ends of the top rod, a track beam is suspended at the lower part of the top rod, a fall chain is arranged on the track beam, the long diagonal braces and the short diagonal braces are mounted on the escalator pedal, and the test load of one escalator is carried in parallel to another escalator through the hook of the fall chain.

[0008] Furthermore, a first hanger is provided at the lower portion of one side of the push rod, a hinge is provided at the lower portion of the first hanger and is hinged to the track beam, a fixing hole is provided at the other side of the track beam, a second hanger is provided at the lower portion of the other side of the push rod, a through hole is provided at the lower portion of the second hanger, and the through hole is fixed to the fixing hole by a detachable fixing pin.

[0009] Furthermore, the top rod, the long diagonal support rod and the short diagonal support rod are all retractable structures, and the track beam is provided with a plurality of fixing holes along the length direction to correspond to different lengths of the top rod and positions of the lower through holes of the second hanger.

[0010] Furthermore, a rotatable cross wheel frame is provided at the bottom of the long diagonal support rod and the short diagonal support rod, and rollers are respectively provided at the four corners of the cross wheel frame.

[0011] Furthermore, the roller is provided with a wheel groove, the width of the wheel groove is consistent with the width of the escalator pedal groove, and a brake positioning device is provided on one side of the roller.

[0012] Furthermore, the long diagonal brace rod and the short diagonal brace rod are rotatably sleeved on the top rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. It can greatly reduce the workload of test personnel in carrying test loads, saving a lot of manpower and material resources;

[0015] 2. The folding design makes it easy to transport and transfer to the workplace;

[0016] 3. Strong operability and easy to organize. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model when it is in operation;

[0018] Figure 2 for Figure 1 The structural diagram of the escalator handrail and other obstacles is basically deleted;

[0019] Figure 3 This is a side view of the structure of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the roller of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the fall chain and track beam of the utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the utility model after folding and stowing;

[0023] Figure 7 It is a schematic diagram of the structure of the utility model from another perspective after being folded and stowed.

[0024] In the figure: 1-top rod; 2-long diagonal support rod; 3-short diagonal support rod; 4-cross wheel frame; 5-roller; 6-fall chain; 7-escalator pedal; 8-hook; 9-wheel groove; 10-track beam; 11-first hanger; 12-hinge; 13-second hanger; 14-fixing pin; 15-fixing hole, 16-brake positioning device. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0026] In the description of the present invention, it should be noted that the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 1-Figure 7 As shown, the utility model is an escalator brake test load carrying device, comprising: a retractable top rod 1, two retractable long diagonal support rods 2 and two retractable short diagonal support rods 3 are respectively arranged at both ends of the top rod 1, a rotatable cross wheel frame 4 is arranged at the bottom of the long diagonal support rod 2 and the short diagonal support rod 3, and rollers 5 are respectively arranged at the four corners of the cross wheel frame 4. The rollers 5 are convenient for pushing during transportation, and are also convenient for getting on and off the escalator pedals 7 during operation. In order to increase the stability of the utility model on the escalator pedal 7, a wheel groove 9 is arranged on the surface of the roller 5, and the width of the wheel groove 9 is consistent with the width of the escalator pedal 7 groove. A brake positioning device 16 is arranged on one side of the roller 5. When the utility model is pushed into the escalator, due to the existence of the wheel groove 9, the roller 5 is embedded in the escalator pedal 7 groove, and the brake positioning device 16 contacts the escalator pedal 7, which plays a role in stable positioning.

[0029] The length of the top rod 1 can be adjusted according to the adjacent distance between two escalators, and the length of the long diagonal brace rod 2 and the short diagonal brace rod 3 can be adjusted according to the height of the escalator pedal 7 and the working environment.

[0030] A first hanger 11 is arranged at the lower part of one side of the top rod 1, and a hinge 12 is arranged at the lower part of the first hanger 11 to be hinged to the track beam 10, so that the track beam 10 can rotate around the hinge 12. A plurality of fixing holes 15 are arranged along the length direction on the other side of the track beam 10, and a second hanger 13 is arranged at the lower part of the other side of the top rod 1, and a through hole is arranged at the lower part of the second hanger 13, which is fixed to the fixing hole 15 at the corresponding position through a detachable fixing pin 14.

[0031] A fall chain 6 is provided on the track beam 10, and the long diagonal braces 2 and the short diagonal braces 3 on both sides are respectively mounted on the escalator pedals 7 of two adjacent escalators. The test load of one escalator is transported in parallel to the other escalator through the hook 8 of the fall chain 6.

[0032] The long diagonal brace 2 and the short diagonal brace 3 are rotatably mounted on the top rod 1. When the utility model needs to be moved after use, the fixing pin 14 is first removed, the track beam 10 is rotated around the hinge 12, and the track beam 10 is rotated to be perpendicular to the top rod 1. At the same time, the fall chain 6 is removed; the top rod 1 is shortened, the long diagonal brace 2 and the short diagonal brace 3 are rotated to make them parallel to the track beam 10, and shortened, so as to achieve the attachment. Figure 6 , Attachment Figure 7 effect, easy to transport.

[0033] The above embodiments are only preferred embodiments of the present invention. The above descriptions do not limit the protection scope of the present invention in turn. The above descriptions are exemplary and not exhaustive. Therefore, any equivalent changes made according to the structure, shape, and principle of the present invention should be included in the protection scope of the present invention. Without departing from the scope and spirit of the described embodiments, many modifications and changes are obvious to ordinary technicians in this technical field.

Claims

1. An escalator braking test load handling device, characterized in that: include: A top rod (1), two long diagonal braces (2) and two short diagonal braces (3) are respectively arranged at both ends of the top rod (1), a track beam (10) is suspended at the lower part of the top rod (1), a fall chain (6) is arranged on the track beam (10), the long diagonal braces (2) and the short diagonal braces (3) are mounted on an escalator pedal (7), and a test load of one escalator is transported in parallel to another escalator through a hook (8) of the fall chain (6).

2. The escalator brake test load handling device according to claim 1, characterized in that: A first hanger (11) is provided at the lower portion of one side of the top rod (1), a hinge (12) is provided at the lower portion of the first hanger (11) and is hingedly connected to the track beam (10), a fixing hole (15) is provided at the other side of the track beam (10), a second hanger (13) is provided at the lower portion of the other side of the top rod (1), a through hole is provided at the lower portion of the second hanger (13), and the through hole is fixed to the fixing hole (15) via a detachable fixing pin (14).

3. The escalator brake test load handling device according to claim 2, characterized in that: The top rod (1), the long diagonal support rod (2) and the short diagonal support rod (3) are all retractable structures, and the track beam (10) is provided with a plurality of fixing holes (15) along the length direction to correspond to different lengths of the top rod (1) and positions of the lower through holes of the second hanger (13).

4. The escalator brake test load handling device according to claim 1, characterized in that: A rotatable cross wheel frame (4) is provided at the bottom of the long diagonal support rod (2) and the short diagonal support rod (3), and rollers (5) are respectively provided at the four corners of the cross wheel frame (4).

5. The escalator brake test load handling device according to claim 4, characterized in that: The roller (5) is provided with a wheel groove (9), the width of the wheel groove (9) is consistent with the width of the escalator pedal (7) groove, and a brake positioning device (16) is provided on one side of the roller (5).

6. An escalator brake test load handling device according to any one of claims 1 to 5, characterized in that: The long diagonal support rod (2) and the short diagonal support rod (3) are rotatably sleeved on the top rod (1).