Elevator diversion sheave inclination angle detection device

Abstract

The utility model relates to the technical field of diversion sheave inclination angle detection, in particular to an elevator diversion sheave inclination angle detection device which comprises a base, a steel ruler and an emitter. A pin shaft is arranged in the elevator shaft, the diversion sheave is connected with the pin shaft through a bearing, and a reflector plate is arranged on the surface of the diversion sheave; the base is fixed to the pin shaft, the steel ruler is fixed to the top of the base, the reflector is connected with the steel ruler through an adjustable mechanism and used for emitting laser to the reflector plate, and the steel ruler is provided with scales and used for measuring the position of reflected laser. According to the elevator diversion sheave inclination angle detection device and a detection method thereof, measurement can be carried out through the device, problems caused by manual measurement are avoided, and the measurement precision is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the reverse pulley inclination angle detection, specifically related to a kind of elevator reverse pulley inclination angle detection device. BACKGROUND

[0002] Reverse pulley plays a key role in changing the direction of traction rope, achieving balance between elevator car and counterweight in elevator system. Accurate detection of its inclination angle is crucial to ensure the smoothness, energy saving and safety of elevator operation. By regularly detecting the inclination angle of reverse pulley, potential problems can be found and corrected in time, avoiding elevator failure and safety accidents.

[0003] Traditional measurement methods usually use protractor or inclinometer to measure the inclination angle of reverse pulley directly. This method is relatively simple to operate, but the measurement accuracy may be affected by human factors. SUMMARY

[0004] To solve the problem that manual measurement of reverse pulley is easily affected by human factors, resulting in inaccurate measurement of reverse pulley inclination angle, the utility model provides an elevator reverse pulley inclination angle detection device, which can measure through the device with high measurement accuracy.

[0005] The technical solution of the utility model is as follows:

[0006] An elevator reverse pulley inclination angle detection device, comprising a base, a steel ruler and a transmitter. The elevator shaft has a pin shaft, the reverse pulley is connected with the pin shaft through a bearing, and the reverse pulley surface has a reflecting sheet.

[0007] The base is fixed on the pin shaft, the steel ruler is fixed on the top of the base, the reflector is connected with the steel ruler through an adjustable mechanism, the reflector is used to emit laser to the reflecting sheet, and the steel ruler has a scale for measuring the position of reflected laser.

[0008] Preferably, the base has magnetic property, and the base is magnetically fixed and connected with the pin shaft.

[0009] Preferably, the adjustable mechanism includes a ring sleeve, a connecting rod and a locking screw, the reflector is fixedly connected with one end of the connecting rod, the ring sleeve is sleeved on the steel ruler, the ring sleeve is fixedly connected with the other end of the connecting rod, and the ring sleeve is fixedly connected with the steel ruler through the locking screw.

[0010] Preferably, the reflecting sheet is attached to the surface of the reverse pulley.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model provides a kind of elevator counter pulley inclination angle detection device, by being adsorbed on pin shaft with base, realize quick installation, then by being pasted to counter pulley end face with reflector sheet, emitter emits laser, reflector sheet can reflect laser to steel ruler, obtain counter pulley inclination angle according to reading on steel ruler and the transverse distance from light emission port to reflector sheet, measurement process does not need manual operation, process is stable, and measurement precision is high. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is whole structure schematic diagram of the utility model;

[0014] Figure 2 It is local enlarged view of the utility model;

[0015] Figure 3 It is calculation model diagram of the utility model;

[0016] In the drawing: 1-base, 2-steel ruler, 3-emitter, 4-pin shaft, 5-counter pulley, 6-bearing, 7-adjustable mechanism, 71-ring sleeve, 72-connecting rod, 73-locking screw, 8-reflector sheet. DETAILED DESCRIPTION

[0017] The utility model will be explained in detail in connection with the drawings and specific embodiment.

[0018] Referring to Figures 1-2 A kind of elevator counter pulley inclination angle detection device, including base 1, steel ruler 2 and emitter 3;The elevator shaft has pin shaft 4, the counter pulley 5 is connected with pin shaft 5 through bearing 6, the counter pulley 5 surface has reflector sheet 8;

[0019] The base 1 is fixed on the pin shaft 4, the steel ruler 2 is fixed on the top of the base 1, the reflector 3 is connected with the steel ruler 2 by adjustable mechanism 7, the reflector 3 is used to emit laser on the reflector sheet 8, the steel ruler 2 has scale, for measuring the position of reflected laser.

[0020] In order to facilitate the convenience of device installation, in an embodiment of the utility model, the base 1 has magnetism, the base 1 is magnetically attracted and fixedly connected with the pin shaft 4.

[0021] In another embodiment of the utility model, the adjustable mechanism includes ring sleeve 71, connecting rod 72 and locking screw 73, the reflector 3 is fixedly connected with one end of connecting rod 72, the ring sleeve 71 is sleeved on the steel ruler 2, the ring sleeve 71 is fixedly connected with the other end of connecting rod 72, and the ring sleeve 71 is fixedly connected with the steel ruler 2 by locking screw 73.

[0022] In addition, the reflecting sheet 8 is attached to the surface of the counter pulley 5.

[0023] The utility model has the following working principle:

[0024] The end surface of the counter pulley 5 is attached to the reflecting sheet 8, and the base 1 is fixed on the pin shaft 4.

[0025] The emitter 3 emits light, and according to the light irradiation position, the emitter is moved up and down until the light irradiates the reflecting sheet 8 on the end surface of the counter pulley 5, the light is turned off, and the emitter 3 is fixed on the steel ruler 2 by fastening the locking screw 73.

[0026] The emitter 3 emits light again, and the value on the steel ruler 2 and the value on the emitter 3 are read.

[0027] According to the value on the steel ruler 2 and the value of the emitter 3, the inclination angle of the counter pulley is obtained.

[0028] The

[0029] Wherein, X is the longitudinal coordinate value of the light reflection point, Y is the longitudinal coordinate value corresponding to the light emission point, and L1 is the horizontal distance from the light emission port to the reflecting sheet.

[0030] Referring to Figure 3 The calculation principle of the utility model is as follows:

[0031] According to Figure 3 The inclination angle of the counter pulley can be obtained:

[0032] ∠a is the inclination angle of the counter pulley, ∠c is the light reflection angle, ∠b is half of ∠c, X is the longitudinal coordinate value of the light reflection point, Y is the longitudinal coordinate value corresponding to the light emission point, and L1 is the horizontal distance from the light emission port to the reflecting sheet.

[0033] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. An elevator return sheave inclination angle detection device, characterized in that: The base, the steel ruler and the emitter are included. The elevator shaft has a pin shaft, the counter-rope wheel is connected with the pin shaft through a bearing, and the counter-rope wheel has a reflecting sheet on the surface thereof. The base is fixed on the pin shaft, the steel ruler is fixed on the top of the base, the emitter is connected with the steel ruler through an adjustable mechanism, the emitter is used for emitting laser to the reflecting sheet, and the steel ruler has a scale for measuring the position of the reflected laser.

2. The tilt angle detecting device for an elevator's counterweight sheave according to claim 1, wherein The base has magnetism, and the base is fixedly connected with the pin shaft through magnetic attraction.

3. The tilt angle detecting device for an elevator's counterweight sheave according to claim 1, wherein The adjustable mechanism includes a ring-shaped sleeve, a connecting rod and a locking screw, the emitter is fixedly connected with one end of the connecting rod, the ring-shaped sleeve is sleeved on the steel ruler, the ring-shaped sleeve is fixedly connected with the other end of the connecting rod, and the ring-shaped sleeve is fixedly connected with the steel ruler through the locking screw.

4. The tilt angle detecting device for an elevator's counterweight sheave according to claim 1, wherein The reflecting sheet is attached to the surface of the counter-rope wheel.

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