Electromagnetic suction testing device for elevator brake

Abstract

The utility model relates to an elevator brake electromagnetic suction testing device, which comprises a base and a force measuring sensor, two end parts of the base are provided with thrust brackets, the positions of the thrust brackets at the two ends are opposite, one side of each thrust bracket close to the outside is provided with an extended fixing part, and the extended fixing part is provided with a fixed part. The thrust support is fixed on the base through the extended fixing part, a first threaded hole is formed in the upper end of the thrust support, the force transducer is located on the inner side of the thrust support, and a first hexagon bolt fixes the force transducer on the thrust support through the first threaded hole. The device can be used for testing and evaluating the electromagnetic force of the electromagnet in a complex uncontrollable environment.

Description

Technical Field

[0001] The utility model relates to the field of elevator equipment, in particular to an electromagnetic suction force testing device for an elevator brake. Background Art

[0002] Elevators serve high-rise buildings. Once an elevator malfunction occurs, it will cause great inconvenience to people's travel and even cause personal injury. The brake is an important safety device for the elevator. Its safety and reliability can ensure the safe operation of the elevator. The brake must have sufficient electromagnetic suction to ensure the normal operation of the elevator. However, the current elevator brake lacks an effective and simple detection device to detect the electromagnetic force of the brake in a complex environment. Utility Model Content

[0003] The utility model aims to provide an elevator brake electromagnetic attraction test device, which can be used to test and evaluate the electromagnetic force of an electromagnet in a complex and uncontrollable environment.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an elevator brake electromagnetic suction force testing device, comprising a base and a force sensor, thrust brackets are arranged at both end portions of the base, the thrust brackets at both ends are positioned relative to each other, an extended fixing portion is arranged on the outer side of the thrust bracket, the thrust bracket is fixed to the base through the extended fixing portion, a first threaded hole is provided at the upper end of the thrust bracket, the force sensor is located on the inner side of the thrust bracket, and a first hexagonal bolt fixes the force sensor to the thrust bracket through the first threaded hole.

[0005] Furthermore, two parallel long openings are provided on both sides of the base, and a second threaded hole opposite to the position of the long opening is provided on the extended fixing portion. The extended fixing portion is locked to the base by a second hexagonal bolt passing through the long opening and the second threaded hole and a hexagonal nut.

[0006] Furthermore, an opening for fixing the elevator brake is provided in the middle of the base.

[0007] Furthermore, a fine-tuning bolt is fixed to the force-bearing end of the force sensor.

[0008] Furthermore, a gasket is provided between the thrust bracket and the base.

[0009] Beneficial effects of the utility model: The utility model patent proposes an elevator brake electromagnetic suction force test device, which is provided with an elevator brake mounting base, and force sensors are provided at the left and right ends of the base. The force sensors can be used to measure the electromagnetic thrust of the core push rod when the electromagnet of the elevator brake is in action. The device of the utility model can be used to test and evaluate the electromagnetic force of the electromagnet in a complex and uncontrollable environment, such as the change in the initial position of the plunger core caused by installation errors, core wear, ambient temperature, magnetization swing of the release push rod, and other factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model;

[0011] Figure 2 It is a structural sectional view of the utility model;

[0012] Figure 3 A side view of the utility model.

[0013] Among them: 1. base, 2. force sensor, 3. thrust bracket, 4. first hexagonal bolt, 5. second hexagonal bolt, 6. hexagonal nut, 7. fine-tuning bolt, 8. long strip opening, 9. extended fixing part, 10. opening. DETAILED DESCRIPTION

[0014] The present invention is further described below in conjunction with the accompanying drawings. For better understanding, the orientation of the present invention is described according to the orientation shown in the accompanying drawings and cannot be understood as a limitation of the present application; the following terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0015] See also Figures 1 to 3The utility model provides an embodiment: an elevator brake electromagnetic attraction test device, comprising a base 1 and a force sensor 2, thrust brackets 3 are provided at both ends of the base 1, and the thrust brackets 3 at both ends are relatively positioned, and an extended fixing portion 9 is provided on the outer side of the thrust bracket 3, and the thrust bracket 3 is fixed to the base 1 through the extended fixing portion 9, and a first threaded hole is opened at the upper end of the thrust bracket 3, and the force sensor 2 is located on the inner side of the thrust bracket 3, and a first hexagonal bolt 4 fixes the force sensor 2 to the thrust bracket 3 through the first threaded hole. The force sensor 2 in the present application is an S-shaped weighing force sensor 2. The base 1 is used to place and fix the elevator brake. The iron core push rods at both ends of the elevator brake are against the force sensor 2. After the elevator brake is energized, the core push rods will push out the force sensor 2 fixed on the thrust bracket 3, so that the electromagnetic thrust of the core push rod can be measured. The force sensor 2 is connected to the transmitter through the data transmission interface. The force transmitter converts the analog quantity output by the sensor into a digital quantity, and transmits the data to the PC through the serial port, so as to realize the continuous output of the electromagnetic suction value (electromagnetic suction value curve), so that the electromagnetic force of the electromagnet in the elevator brake can be tested.

[0016] Please continue reading Figure 1 , Figure 2 As shown, in one embodiment of the utility model, two parallel long strip openings 8 are provided on both sides of the base 1, and a second threaded hole opposite to the long strip opening 8 is provided on the extended fixing portion 9, and the extended fixing portion 9 is locked to the base 1 by a second hexagonal bolt 5 passing through the long strip opening 8 and the second threaded hole and the hexagonal nut 6. The long strip opening 8 can be used to adjust the position of the thrust bracket 3. After the position is adjusted, the thrust bracket 3 is fixed to the base 1 by passing the second threaded hole through the long strip opening 8 and the second threaded hole and the hexagonal nut 6.

[0017] Please continue reading Figure 1 As shown, in one embodiment of the utility model, an opening 10 for fixing the elevator brake is provided in the middle of the base 1. The opening 10 is fixed with a bolt arranged below the elevator brake, simulating that the elevator brake is fixed on the ground.

[0018] Please continue reading Figure 1 , Figure 2 As shown, in one embodiment of the utility model, a fine-tuning bolt 7 is fixed to the force-bearing end of the force sensor 2. The nut of the fine-tuning bolt 7 will contact the core top rods at both ends of the elevator brake, and is used for the transmission of force between the force sensor 2 and the core top rod.

[0019] Please continue reading Figures 1 to 3As shown, in one embodiment of the utility model, a gasket is provided between the thrust bracket 3 and the base 1. An upper gasket can be provided between the thrust bracket 3 and the base 1, and the shape of the gasket is the same as the shape of the bottom of the thrust bracket 3. The gasket can be used to adjust the height of the thrust bracket 3 to ensure that the force sensor 2 is flush with the core top rods at both ends of the elevator brake.

[0020] The utility model has the following working principle: the base is used to place and fix the elevator brake, the iron core push rods at both ends of the elevator brake are against the force sensor, after the elevator brake is energized, the battery push rod will push out the force sensor fixed on the thrust bracket, so that the battery thrust of the iron core push rod can be measured, thereby the electromagnetic force of the electromagnet in the elevator brake can be tested.

[0021] The above description is only a preferred embodiment of the present invention and should not be construed as a limitation on the present application. All equivalent changes and modifications made within the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. An elevator brake electromagnetic suction force testing device, characterized in that: Including base and load cell, Thrust brackets are provided at both end portions of the base, and the thrust brackets at both ends are positioned relative to each other. An extended fixing portion is provided on the outer side of the thrust bracket, and the thrust bracket is fixed to the base through the extended fixing portion. A first threaded hole is provided at the upper end of the thrust bracket, and the force sensor is located on the inner side of the thrust bracket. A first hexagonal bolt fixes the force sensor to the thrust bracket through the first threaded hole.

2. An elevator brake electromagnetic attraction test device according to claim 1, characterized in that: Two parallel long openings are provided on both sides of the base, and a second threaded hole opposite to the long opening is provided on the extended fixing portion. The extended fixing portion is locked to the base by a second hexagonal bolt passing through the long opening and the second threaded hole and a hexagonal nut.

3. The electromagnetic attraction force testing device for elevator brake according to claim 1, characterized in that: An opening for fixing the elevator brake is provided in the middle of the base.

4. The electromagnetic attraction force testing device for elevator brake according to claim 1, characterized in that: A fine-tuning bolt is fixed to the force-bearing end of the force sensor.

5. The electromagnetic attraction force testing device for elevator brake according to claim 1, characterized in that: A gasket is arranged between the thrust bracket and the base.

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