Clearance detection device for elevator safety tongs
By designing the give way and wedge-shaped block structure in the elevator safety pliers, the sensor is easily installed and replaced, which solves the problem of inconvenient sensor replacement and improves the detection accuracy and equipment life.
Patent Information
- Application Number
- CN202421786017.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The existing elevator safety pliers sensors are inconvenient to replace and use.
An elevator safety pliers gap detection device is designed, including a safety plier body, a give way, a wedge block, a pull rod, a mounting hole and a detection sensor. The sensor is fixed by a press rod, and the wedge block and a sliding groove are used to detect and replace the sensor.
It realizes convenient installation and replacement of sensors, improves detection accuracy, extends service life, and reminds of maintenance opportunities.
Smart Images
Figure CN223087358U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of elevators, and in particular to a gap detection device for elevator safety clamps. Background Art
[0002] The safety clamp is a safety protection device for elevators. The elevator safety clamp device is a safety device that stops the car and clamps it on the guide rail when the elevator speed exceeds the limit (or rated) speed set by the elevator speed limiter, or when the suspension rope breaks or loosens. It provides effective protection for the safe operation of the elevator and is generally installed on the car frame or counterweight frame.
[0003] In the prior art, safety clamps generally use sensors to detect distances, but current safety clamps are inconvenient to replace sensors and are inconvenient to use. Summary of the invention
[0004] The purpose of the embodiments of the present application is to provide an elevator safety clamp gap detection device, which can solve the above-mentioned technical problems.
[0005] An embodiment of the present application provides an elevator safety clamp gap detection device, comprising a safety clamp body, a yielding portion is provided in the middle of the safety clamp body, a wedge-shaped block is provided in the yielding portion, a pull rod is provided in the middle of the safety clamp body, a mounting hole is provided on the inner wall of the yielding portion, a detection sensor is provided in the mounting hole, a pressure rod is provided on the safety clamp body, the upper end of the pressure rod extends into the mounting hole, and the lower end of the pressure rod extends out of the lower end of the safety clamp body.
[0006] Preferably, an elastic member is provided at the upper end of the pressure rod.
[0007] Preferably, a sliding groove is provided in the giving way portion, and the wedge-shaped block can move up and down in the sliding groove.
[0008] Preferably, a particle wear-resistant layer is provided at one end of the wedge block close to the pull rod.
[0009] Preferably, the safety clamp body and the wedge block are both made of metal.
[0010] Preferably, the pressure rod is cylindrical.
[0011] Preferably, at least two groups of detection sensors are provided.
[0012] Beneficial effects of the utility model:
[0013] The utility model provides an elevator safety clamp gap detection device, comprising a safety clamp body, a yielding portion is arranged in the middle of the safety clamp body, a wedge-shaped block is arranged in the yielding portion, a pull rod is arranged in the middle of the safety clamp body, a mounting hole is arranged on the inner wall of the yielding portion, a detection sensor is arranged in the mounting hole, a pressure rod is arranged on the safety clamp body, the upper end of the pressure rod extends into the mounting hole, and the lower end of the pressure rod extends out of the lower end of the safety clamp body; when the utility model is in use, the detection sensor is inserted into the mounting hole and then fixed by the pressure rod, and the detection sensors on both sides are used to detect the wear and deformation of the pull rod. When the wear and deformation reach a certain degree, the pull rod is fixed by the wedge-shaped block, so as to remind the staff to detect, repair and replace the pull rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.
[0015] Figure 1 It is a structural schematic diagram of the utility model;
[0016] Figure 2 It is a cross-sectional view of the utility model.
[0017] The reference numerals are:
[0018] 1. Safety clamp body; 2. Yield part; 3. Wedge block; 4. Pull rod; 5. Mounting hole; 6. Detection sensor; 7. Pressure rod; 8. Elastic part; 9. Sliding groove. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.
[0020] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.
[0021] It should be noted that like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0022] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this application is usually placed during use. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.
[0023] In addition, terms such as "horizontal", "vertical", "hanging" do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0024] In the description of the present application, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.
[0025] As Figure 1-2 shown, an elevator safety gear clearance detection device includes a safety gear body 1. A relief portion 2 is provided in the middle of the safety gear body 1. A wedge block 3 is provided in the relief portion 2. A pull rod 4 is provided in the middle of the safety gear body 1. Mounting holes 5 are provided on the inner wall of the relief portion 2. Detection sensors 6 are provided in the mounting holes 5. A pressing rod 7 is provided on the safety gear body 1. The upper end of the pressing rod 7 extends into the mounting hole 5, and the lower end of the pressing rod 7 extends out of the lower end of the safety gear body 1. When the present utility model is in use, the detection sensors 6 are inserted into the mounting holes 5 and then fixed by the pressing rod 7. The detection sensors 6 on both sides are used to detect the wear and deformation of the pull rod 4. When the wear and deformation reach a certain degree, the pull rod 4 is fixed by the wedge block 3 to remind the staff to detect, repair and replace the pull rod 4.
[0026] like Figure 1-2 As shown, in this embodiment, an elastic member 8 is disposed at the upper end of the pressing rod 7 , and the elastic member 8 of the utility model can prevent the lower end of the pressing rod 7 from crushing the detection sensor 6 .
[0027] like Figure 1-2 As shown, in this embodiment, a sliding groove 9 is provided in the yielding portion 2, and the wedge block 3 can move up and down in the sliding groove 9. The sliding groove 9 of the utility model limits the wedge block 3 to the left and right.
[0028] like Figure 1-2 As shown, in this embodiment, in order to increase the contact friction between the wedge block 3 and the pull rod 4, a particle wear-resistant layer is provided at one end of the wedge block 3 close to the pull rod 4.
[0029] like Figure 1-2 As shown, in this embodiment, in order to extend the service life of the utility model, the safety clamp body 1 and the wedge block 3 are both made of metal material, and reinforcing ribs are provided inside the safety clamp body 1 and the wedge block 3.
[0030] like Figure 1-2 As shown, in this embodiment, in order to facilitate the insertion of the pressure rod 7 into the safety clamp, the pressure rod 7 is arranged in a cylindrical shape.
[0031] like Figure 1-2 As shown, in this embodiment, in order to improve the accuracy of detection, at least two groups of detection sensors 6 are provided.
[0032] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An elevator safety gear clearance detection device, characterized in that: The invention comprises a safety clamp body, a yielding portion is arranged in the middle of the safety clamp body, a wedge-shaped block is arranged in the yielding portion, a pull rod is arranged in the middle of the safety clamp body, a mounting hole is arranged on the inner wall of the yielding portion, a detection sensor is arranged in the mounting hole, a pressure rod is arranged on the safety clamp body, the upper end of the pressure rod extends into the mounting hole, and the lower end of the pressure rod extends out of the lower end of the safety clamp body.
2. The elevator safety gear clearance detection device according to claim 1, characterized in that: An elastic piece is arranged on the upper end of the pressing rod.
3. The elevator safety gear clearance detection device according to claim 1, wherein: A sliding groove is arranged in the giving way portion, and the wedge-shaped block can move up and down in the sliding groove.
4. An elevator safety gear clearance detection device according to claim 1, characterized in that: One end of the wedge block close to the pull rod is provided with a particle wear-resistant layer.
5. An elevator safety gear clearance detection device according to claim 1, characterized in that: The safety clamp body and the wedge block are both made of metal.
6. The elevator safety gear clearance detection device according to claim 1, characterized in that: The pressing rod is cylindrical.
7. The elevator safety gear clearance detection device according to claim 1, characterized in that: The detection sensors are provided in at least two groups.