CN212222076U - Elevator braking performance and traction performance measurement and analysis are tachometer wheel external member for system - Google Patents
Elevator braking performance and traction performance measurement and analysis are tachometer wheel external member for system Download PDFInfo
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- CN212222076U CN212222076U CN202020936529.5U CN202020936529U CN212222076U CN 212222076 U CN212222076 U CN 212222076U CN 202020936529 U CN202020936529 U CN 202020936529U CN 212222076 U CN212222076 U CN 212222076U
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Abstract
The utility model discloses a speed measuring wheel kit for an elevator braking performance and traction performance measurement and analysis system, which comprises a magnetic base, a universal connecting rod piece and a speed measuring wheel with a rotary encoder, wherein two ends of the universal connecting rod piece are respectively connected with the magnetic base and the speed measuring wheel with the rotary encoder; the speed measuring wheel with the rotary encoder is connected with the measuring host through a connecting wire. The utility model discloses take rotary encoder's velocity measuring wheel every 0.1s data of gathering, measurement accuracy is high. The whole device is convenient and simple to disassemble and assemble. The direction of the angle is flexible and convenient to adjust.
Description
Technical Field
The utility model relates to an elevator performance analysis system especially relates to an elevator braking performance and tow velocity measuring wheel external member for performance measurement analytic system.
Background
The brake is one of the most important parts of the elevator, which is essential to ensure the safe operation of the elevator. In recent years, elevator injury accidents caused by potential safety hazards of brakes are frequent, and the inspection of safety states of the elevator brakes is imperative. The brake capability is the final embodiment of the technical condition of the elevator brake, and the brake capability inspection is an essential technical means for preventing the elevator from slipping to hurt people.
The existing brake performance and traction performance test mainly adopts a manual marking method to measure. Before the measurement is started, an inspector draws a marking line on a steel wire rope and a traction sheave on the traction sheave, when the elevator runs, the stopping device is manually triggered, the elevator starts to stop, the inspector visually inspects the running turns of the traction sheave in the elevator stopping process, and measures the position difference marked by the traction sheave and the steel wire rope to obtain the braking distance between the steel wire rope and the traction sheave in the elevator stopping process. The method has the advantages of poor measurement precision, complex operation and more uncertain factors.
The current elevator type test lacks design calculation and safety check on the brake capacity of the brake, no detection item of the brake capacity of the brake exists in the regular inspection, and no inspection requirement on the brake capacity of the brake exists in the maintenance. Under the conditions, the safety state of the current elevator brake is not easily scientifically evaluated and detected, the elevator safety management work is seriously influenced, the brake capacity detection of the brake is enhanced, and a system with simple operation and accurate measurement is needed, so that necessary technical and equipment support is provided for elevator inspection and maintenance.
In order to solve the problems, the design starts with the consideration of the braking distance, the braking deceleration and the traction force of the elevator, provides and develops a system for measuring the moving distance of the elevator car in the up-down braking experiment of the elevator, and provides a criterion for judging whether the traction capacity and the braking effect of the elevator meet the requirements. The system is provided and developed to supplement and perfect the current elevator standard and the inspection and detection technical specification, is helpful to solve the problem that no specific method can refer to the safety state inspection of the traction drive elevator brake at present and no specific qualification criterion can be followed, and has important significance for preventing the potential safety hazard of the brake and ensuring the safe operation of the elevator. Therefore, a speed measuring wheel kit matched with the system is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned not enough, provide an elevator braking performance and tow velocity measuring wheel external member for performance measurement analytic system.
The above object of the present invention is achieved by the following technical solutions: a speed measuring wheel kit for an elevator braking performance and traction performance measuring and analyzing system comprises a magnetic base, a universal connecting rod piece and a speed measuring wheel with a rotary encoder, wherein two ends of the universal connecting rod piece are respectively connected with the magnetic base and the speed measuring wheel with the rotary encoder; the speed measuring wheel with the rotary encoder is connected with the measuring host through a connecting line, and data are collected every 0.1s by the speed measuring wheel with the rotary encoder.
Furthermore, the universal connection rod piece comprises a first section, a second section and a third section, the rear end of the first section is connected with a universal ball head on the magnetic base, the second section is connected with the front end of the first section through a hand-screwed screw, the rear end of the third section is provided with the universal ball head and is connected with the front end of the second section, and the front end of the third section is connected with a speed measuring wheel with a rotary encoder.
Furthermore, an elastic jacking device is arranged on the third section and used for continuously jacking the speed measuring wheel with the rotary encoder, so that the tight adhesion friction force between the speed measuring wheel with the rotary encoder and the measured piece is ensured.
Compared with the prior art, the utility model the advantage be:
1. the measurement precision is high. The tachometer wheel with the rotary encoder collects data every 0.1s, and the measurement precision is high.
2. The operation is simple. The whole device is convenient and simple to disassemble and assemble.
3. The direction of the angle is flexible and convenient to adjust.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a velocity measuring wheel kit for an elevator braking performance and traction performance measurement and analysis system comprises a magnetic base 102-1, a universal connection rod member 102-2 and a velocity measuring wheel 102-4 with a rotary encoder 102-3, wherein two ends of the universal connection rod member 102-2 are respectively connected with the magnetic base 102-1 and the velocity measuring wheel 102-4 with the rotary encoder 102-3; the tachometer wheel 102-4 with the rotary encoder 102-3 is connected with a measurement host (not shown) through a connecting wire.
Furthermore, the universal connecting rod member 102-2 comprises a first section 102-21, a second section 102-22 and a third section 102-23, the rear end of the first section 102-21 is connected with a universal ball head 102-24 on the magnetic base 102-1, the second section 102-22 is connected with the front end of the first section 102-21 through a hand screw 102-25, the rear end of the third section 102-23 is provided with the universal ball head 102-25 and is connected with the front end of the second section 102-22, and the front end of the third section 102-23 is connected with a tachometer wheel 102-4 with a rotary encoder 102-3.
Furthermore, the third section 102-23 is provided with an elastic abutting device 102-26 for continuously abutting against the tachometer wheel 102-4 with the rotary encoder 102-3, so as to ensure the abutting friction force between the tachometer wheel 102-4 with the rotary encoder 102-3 and the tested piece.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (3)
1. The utility model provides an elevator braking performance and traction performance measurement tachometer wheel external member for analytic system which characterized in that: the device comprises a magnetic base, a universal connecting rod piece and a speed measuring wheel with a rotary encoder, wherein two ends of the universal connecting rod piece are respectively connected with the magnetic base and the speed measuring wheel with the rotary encoder; the speed measuring wheel with the rotary encoder is connected with the measuring host through a connecting wire.
2. The elevator braking performance and traction performance measuring and analyzing system speed measuring wheel kit according to claim 1, characterized in that: the universal connection rod piece comprises a first section, a second section and a third section, the rear end of the first section is connected with a universal ball head on the magnetic base, the second section is connected with the front end of the first section through a hand-screwed screw, the rear end of the third section is provided with the universal ball head and is connected with the front end of the second section, and the front end of the third section is connected with a speed measuring wheel with a rotary encoder.
3. The elevator braking performance and traction performance measuring and analyzing system speed measuring wheel kit according to claim 2, characterized in that: and the third section is provided with an elastic jacking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020936529.5U CN212222076U (en) | 2020-05-28 | 2020-05-28 | Elevator braking performance and traction performance measurement and analysis are tachometer wheel external member for system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020936529.5U CN212222076U (en) | 2020-05-28 | 2020-05-28 | Elevator braking performance and traction performance measurement and analysis are tachometer wheel external member for system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212222076U true CN212222076U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020936529.5U Active CN212222076U (en) | 2020-05-28 | 2020-05-28 | Elevator braking performance and traction performance measurement and analysis are tachometer wheel external member for system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212222076U (en) |
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2020
- 2020-05-28 CN CN202020936529.5U patent/CN212222076U/en active Active
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