Elevator door change gear detection device

Abstract

The invention relates to the field of elevator door change gear detection, in particular to an elevator door change gear detection device, which solves the problem that a door change gear can be automatically replaced while the elevator door change gear detection device is suitable for simultaneous detection of various door change gears with different sizes, and comprises a cabinet body and a driving motor, and an output shaft is fixedly installed at the output end of the driving motor, a plurality of driving wheels are fixedly installed on the outer wall of the output shaft, and the driving wheels are installed at equal intervals. According to the device, the function of automatically adjusting the height of the change gear seat can be achieved, the device can be conveniently suitable for door change gears with different sizes and diameters, the device can conveniently detect the door change gears with different sizes at the same time, a replacement box of the device can achieve automatic replacement when the door change gears descend after detection is completed, and the detection efficiency is improved. Manual operation is not needed, and the detection efficiency of the device can be improved on the premise of ensuring safety.

Description

Technical Field

[0001] The invention relates to the technical field of elevator door hanging wheel detection, and in particular to an elevator door hanging wheel detection device. Background Art

[0002] The elevator door pulley is mainly used to guide the opening and closing of the elevator door. It opens or closes the elevator door by rolling. As an important structural component supporting the opening and closing of the elevator car door, the service life of the door pulley is closely related to whether the elevator door switch is safe and reliable. Therefore, the door pulley needs to be tested for life before use. Since the door pulley has a certain running speed and bears a certain load during actual use, it is necessary to load the limit load on the door pulley during the test.

[0003] Chinese patent (CN 209513490 U) discloses an elevator door wheel wear test device, including a test bench, a guide rail and a counterweight, characterized in that: it also includes a support frame arranged on the test bench, the support frame is provided with a cantilever, one end of the cantilever is hinged to the support frame, and the other end is connected to the counterweight, the door wheel to be tested is rotatably mounted on the cantilever, the rotatable frame on the test bench is provided with a rotating shaft, the rotating shaft is arranged in the horizontal direction, a turntable is sleeved on the rotating shaft, and a motor for driving the rotating shaft to rotate is also provided on the test bench, the guide rail is annular, the guide rail is sleeved on the side wall of the turntable, the door wheel is located above the guide rail, and abuts against the side of the guide rail facing away from the turntable.

[0004] Although the above patent simulates the load-bearing condition of the door hanging wheel and restores the degree of wear of the door hanging wheel during the movement, so as to make a more accurate assessment of the wear resistance of the door hanging wheel based on this, the door hanging wheel cannot be automatically replaced after the door hanging wheel detection is completed, resulting in a significant reduction in utilization efficiency. At the same time, the height cannot be adjusted quickly, and door hanging wheels of different diameters cannot be detected simultaneously.

[0005] Therefore, the present invention provides an elevator door hanging wheel detection device to solve the above-mentioned problem. Summary of the invention

[0006] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an elevator door hanging wheel detection device to solve the above-mentioned problem of being able to automatically replace the door hanging wheel and being applicable to the simultaneous detection of door hanging wheels of various sizes.

[0007] In order to achieve the above object, the technical solution adopted by the present invention is: An elevator door hanging wheel detection device comprises a cabinet and a driving motor, wherein the driving motor is fixedly installed in the middle part of the interior of the cabinet, the output end of the driving motor is fixedly installed with an output shaft, the outer wall of the output shaft is fixedly installed with a driving wheel, the number of the driving wheels is multiple, and the multiple driving wheels are installed at equal intervals, a height control seat is installed on the inner bottom wall of the cabinet, an adjustment seat is installed on the top of the height control seat, the adjustment seat and the detection box are electrically connected, the detection box is fixedly installed on the inner side wall of the cabinet, a hanging wheel seat is arranged on the top of the adjustment seat, a replacement box is installed inside the cabinet, the replacement box matches the adjustment seat, one end of the replacement box is fixedly installed with a driving box, and the driving The box matches the outer wall of the adjustment seat, and an outer wall detection component is fixedly installed on the inner wall of the cabinet, and the outer wall detection component matches the wheel seat; the device can realize the function of automatically adjusting the height of the wheel seat through the arrangement of the height control seat and the adjustment seat, so that the device can be conveniently used for door wheels of various diameters. At the same time, the number of adjustment seats of the device is multiple, and the heights of multiple adjustment seats can be adjusted separately, so that the device is convenient for simultaneously detecting door wheels of different sizes. The replacement box of the device can realize automatic replacement when the door wheel detection is completed and it drops, without manual operation. Under the premise of ensuring safety, the detection efficiency of the device can be improved.

[0008] Preferably, the control end of the drive motor is electrically connected to the detection box; the detection box can control the rotation speed of the drive motor, etc., and the detection box synchronously records the detection data for storage.

[0009] The top of described adjusting base is provided with a slide groove, and the hanging wheel seat is slidably connected to the inside of the slide groove, and the outer wall of the adjusting seat is equipped with an external tooth, and the lower part of the adjusting seat is a light plate; the top of described adjusting seat is rotatably connected to the driving gear, and the driving gear is installed with a clamping screw at the axis of the driving gear, and an extended threaded block is threadedly connected to the outer wall of the clamping screw, and one end of the extended threaded block is fixedly installed with a clamping plate, and the clamping plate is slidably connected to the inside of the slide groove; there are two clamping plates, and the two clamping plates are arranged relatively. When the driving gear rotates and drives the clamping screw to rotate, the extended threaded block will drive the two clamping plates to move relative to each other, so that the two clamping plates clamp the hanging wheel seat to realize the function of automatic positioning and clamping, avoid the phenomenon of offset in the installation of the hanging wheel seat, and facilitate automatic installation and clamping. At the same time, the slide groove and the clamping plate play the role of two-way clamping limit, avoid the phenomenon of offset and other phenomena that affect the detection result during the detection process, and ensure the accuracy of the detection data.

[0010] Preferably, the top of the hanging wheel seat is rotatably connected to a door hanging wheel, and the door hanging wheel matches the outer wall detection component. A slider is fixedly installed on the bottom of the hanging wheel seat, and the slider is slidably connected to the inside of the slide groove. A stepped groove is provided at the bottom of the slider; the slider at the bottom of the hanging wheel seat slides inside the slide groove, and when the clamping plate is disengaged from the clamping of the slider, the slider can slide parallel to the inside of the slide groove, which is convenient for disengagement and installation.

[0011] Preferably, the height control seat includes an adjusting motor, a driving screw and a threaded barrel, the adjusting motor is fixedly mounted on the inner bottom wall of the cabinet, the output end of the adjusting motor is fixedly mounted with a driving screw, the outer wall of the driving screw is threadedly connected with a threaded barrel, and the top of the threaded barrel is fixedly connected to the bottom of the adjusting seat; the adjusting seat of the device is arranged opposite to the driving wheel, and the door hanging wheel on the upper part of the hanging wheel seat and the driving wheel can be pressed against each other for rotation. When the device is in use, the adjusting motor is started, so that the adjusting motor drives the driving screw to rotate, and the adjusting seat is driven to move upward through the threaded barrel, so that the door hanging wheel on the top of the adjusting seat presses against the outer wall of the driving wheel. At this time, the adjusting motor stops driving, and the driving motor is started at the same time, so that the driving wheel drives the door hanging wheel for rotation detection.

[0012] Preferably, a two-way screw is rotatably connected to one side of the replacement box, and the outer wall of the two-way screw is threadedly connected with a disengagement plate and a replacement plate, the disengagement plate is located at the front end of the replacement plate, and the outer wall of the disengagement plate is fixedly installed with a driving toothed plate, and the number of the driving toothed plates is multiple, and the multiple driving toothed plates are grouped in pairs, and the driving toothed plates match the driving gear. The outer wall of the replacement plate is provided with a replacement groove, and the number of the replacement grooves matches the number of the adjustment seat, and the lower part of the inner side wall of the replacement groove is fixedly installed with a limit plate, and the limit plate matches the step groove; when the door hanging wheel needs to be replaced, the hanging wheel seat to be replaced is first placed in the replacement groove, and the step groove at the bottom of the hanging wheel seat is located at the limit plate, and the rotation of the two-way screw will synchronously drive the disengagement plate to move. At this time, the driving toothed plate on its outer wall The cam is then retracted to allow the gear to move forward and backward, and the two gears are then retracted to move in a reciprocating motion, thereby causing the two gears to move in opposite directions and to move out of the reciprocating motion.

[0013] Preferably, the driving box is rotatably connected with a starting shaft, and a starting gear is fixedly installed on the outer wall of the starting shaft, and the number of the starting gears is multiple, and the starting gear is meshingly connected with the external gear, and a starting bevel gear is fixedly installed on the outer wall of one end of the starting shaft; one end of the two-way lead screw is located in the interior of the driving box, and one end of the two-way lead screw is fixedly connected to the output end of the stepper motor, and the stepper motor is fixedly installed in the interior of the driving box, and the driving bevel gear is fixedly installed on the outer wall of one end of the two-way lead screw, and the driving bevel gear is meshingly connected with the starting bevel gear; by arranging multiple starting gears, the device can avoid the phenomenon of meshing failure. At the same time, when the adjusting seat of the device needs to be replaced, the descending of the adjusting seat can initially drive the disengagement plate to move. After the adjusting seat is lowered, the stepping motor can be automatically started to realize the replacement function. There is no need to manually replace the starting motor, and intelligent operation is realized. After the replacement is completed, the adjusting seat moves upward for re-detection.

[0014] Preferably, the outer wall detection component includes a fixed box, a sliding box and a push ring, the sliding box is slidably connected to the inner wall of the fixed box by a spring push, a cleaning plate is fixedly installed on the bottom of one end of the sliding box, the cleaning plate pushes against the outer wall of the door hanging wheel, and the upper part of one end of the sliding box is installed with a push ring, and a telescopic push pin is installed on the inside of the push ring, the number of the telescopic push pins is multiple, and the multiple telescopic push pins are tightly arranged to fit each other, and the telescopic push pin pushes against the outer wall of the door hanging wheel; when the device is performing detection, the outer wall of the door hanging wheel can be cleaned by the cleaning plate to avoid the occurrence of impurities and the like, and at the same time, the telescopic push pin pushes against the outer wall of the door hanging wheel, and when a groove or protrusion appears on the outer wall of the door hanging wheel, the telescopic push pin can be extended or retracted, and outer wall detection is performed by mechanical means to achieve the effect of double detection and avoid detection failure and inaccurate data.

[0015] The beneficial effects of the present invention are: 1. The device can automatically adjust the height of the hanging wheel seat by setting the height control seat and the adjustment seat, so that the device can be used for door hanging wheels of various sizes and diameters. At the same time, the number of adjustment seats of the device is multiple, and the heights of the multiple adjustment seats can be adjusted separately, so that the device can detect door hanging wheels of different sizes at the same time. The replacement box of the device can realize automatic replacement when the door hanging wheel detection is completed and it descends, without manual operation. Under the premise of ensuring safety, the detection efficiency of the device can be improved.

[0016] 2. When the driving gear of the device rotates and drives the clamping screw to rotate, the extended threaded block will drive the two clamping plates to move relative to each other, so that the two clamping plates clamp the hanging wheel seat, realize the function of automatic positioning and clamping, avoid the installation of the hanging wheel seat to be offset, and facilitate automatic installation and clamping. At the same time, the slide groove and the clamping plate play the role of two-way clamping limit, avoid the phenomenon of offset and other phenomena that affect the test results during the detection process, and ensure the accuracy of the test data.

[0017] 3. This device can automatically replace the hanging wheel seat by setting the replacement plate and the separation plate, so that the door hanging wheel can be replaced simultaneously, and can clamp itself after replacement to avoid deviation.

[0018] 4. This device can avoid the phenomenon of meshing failure by setting multiple starting gears. At the same time, when the adjustment seat of this device needs to be replaced, the descent of the adjustment seat can initially drive the separation plate to move. After the adjustment seat is lowered, the stepper motor can be automatically started to achieve the replacement function. There is no need to manually start the motor for replacement, and intelligent operation is realized. After the replacement is completed, the adjustment seat moves upward for re-detection.

[0019] 5. When the device is testing, the cleaning plate can be used to clean the outer wall of the door hanging wheel to avoid the presence of impurities and the like. At the same time, the telescopic ejector pin abuts against the outer wall of the door hanging wheel. When a groove or protrusion appears on the outer wall of the door hanging wheel, the telescopic ejector pin can be extended or retracted, and the outer wall is tested by mechanical means to achieve a double test effect and avoid test failure and inaccurate data. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of a front view of a three-dimensional image of the present invention; Figure 2 It is a schematic diagram of a front view of a stereoscopic second embodiment of the present invention; Figure 3 is a schematic diagram of a side plane view of the present invention; Figure 4 It is a three-dimensional schematic diagram of the adjustment seat and the height control seat of the present invention; Figure 5 It is a three-dimensional schematic diagram of the adjustment seat and the hanging wheel seat of the present invention; Figure 6 It is a schematic diagram of the interior of the adjustment seat of the present invention; Figure 7 is a schematic diagram of the bottom of the slider of the present invention; Figure 8 It is a three-dimensional schematic diagram of the replacement box of the present invention; Fig. 9 A schematic diagram of the connection between the adjustment plate and the adjustment seat of the present invention; Fig.10 It is a schematic diagram of a cross-section of a drive box of the present invention; Fig.11 It is a three-dimensional schematic diagram of the outer wall detection component of the present invention; Fig.12 It is a schematic diagram of the telescopic ejector pin of the present invention.

[0021] In the figure: 1. Cabinet; 2. Drive motor; 3. Driving box; 301. Starting shaft; 302. Stepping motor; 303. Starting bevel gear; 304. Driving bevel gear; 305. Starting gear; 4. Outer wall detection component; 401. Fixed box; 402. Sliding box; 403. Cleaning plate; 404. Ejector ring; 405. Telescopic ejector pin; 5. Adjusting seat; 501. Slide groove; 502. External teeth; 503. Driving gear; 504. Clamping screw; 505. Extended thread block; 506. Clamping plate; 6. Testing box; 7. Hanging wheel seat; 701. Door hanging wheel; 702. Sliding block; 703. Step groove; 8. Height control seat; 801. Adjustment motor; 802. Driving screw; 803. Threaded barrel; 9. Replacement box; 901. Bidirectional lead screw; 902. Disengagement plate; 903. Replacement plate; 904. Driving tooth plate; 905. Replacement slot; 906. Limiting plate; 10. Driving wheel; 11. Output shaft. DETAILED DESCRIPTION

[0022] The following will describe various embodiments of the present invention in detail with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0023] An elevator door hanging wheel detection device, as shown in the attached Figure 1-3 As shown, it includes a cabinet 1 and a driving motor 2, the driving motor 2 is fixedly installed in the middle of the interior of the cabinet 1, the output end of the driving motor 2 is fixedly installed with an output shaft 11, the outer wall of the output shaft 11 is fixedly installed with a driving wheel 10, the number of driving wheels 10 is multiple, and the multiple driving wheels 10 are installed at equal intervals, a height control seat 8 is installed on the inner bottom wall of the cabinet 1, an adjustment seat 5 is installed on the top of the height control seat 8, the adjustment seat 5 and the detection box 6 are electrically connected, the detection box 6 is fixedly installed on the inner side wall of the cabinet 1, a hanging wheel seat 7 is arranged on the top of the adjustment seat 5, a replacement box 9 is installed inside the cabinet 1, the replacement box 9 matches the adjustment seat 5, one end of the replacement box 9 is fixedly installed with a driving box 3, the driving box 3 and the adjustment seat 5 In order to match the outer wall of the cabinet 1, an outer wall detection component 4 is fixedly installed on the inner wall of the cabinet body 1, and the outer wall detection component 4 matches the hanging wheel seat 7; through the arrangement of the height control seat 8 and the adjustment seat 5, the device can realize the function of automatically adjusting the height of the hanging wheel seat 7, which can facilitate the use of the device for door hanging wheels of various sizes and diameters. At the same time, the number of the adjustment seats 5 of the device is multiple, and the heights of the multiple adjustment seats 5 can be adjusted separately, so that the device is convenient for simultaneously detecting door hanging wheels of different sizes. The replacement box 9 of the device can realize automatic replacement when the door hanging wheel detection is completed and it descends, without manual operation. Under the premise of ensuring safety, the detection efficiency of the device can be improved.

[0024] As attached Figure 1 As shown, the control end of the driving motor 2 is electrically connected to the detection box 6; the detection box 6 can control the rotation speed of the driving motor 2, and at the same time, the detection box 6 synchronously records the detection data for storage.

[0025] As attached Figure 4-6As shown, a slide groove 501 is provided on the top of the adjustment seat 5, and the hanging wheel seat 7 is slidably connected to the inside of the slide groove 501. An external tooth 502 is installed on the outer wall of the adjustment seat 5, and the lower part of the adjustment seat 5 is a light plate; the top of the adjustment seat 5 is rotatably connected to the driving gear 503, and the driving gear 503 has a clamping screw 504 installed at the axis of the driving gear 503. The outer wall of the clamping screw 504 is threadedly connected with an extended thread block 505, and one end of the extended thread block 505 is fixedly installed with a clamping plate 506, and the clamping plate 506 is slidably connected to the inside of the slide groove 501; the number of clamping plates 506 is Two clamping plates 506 are arranged opposite to each other. When the driving gear 503 rotates and drives the clamping screw 504 to rotate, the extended threaded block 505 will drive the two clamping plates 506 to move relative to each other, so that the two clamping plates 506 clamp the hanging wheel seat 7, thereby realizing the function of automatic positioning and clamping, avoiding the phenomenon of offset in the installation of the hanging wheel seat 7, and facilitating automatic installation and clamping. At the same time, the slide groove 501 and the clamping plate 506 play the role of two-way clamping limit, avoiding the phenomenon of offset and other phenomena that affect the detection results during the detection process, thereby ensuring the accuracy of the detection data.

[0026] As attached Figure 5 and attached Figure 7 As shown, the top of the hanging wheel seat 7 is rotatably connected to the door hanging wheel 701, and the door hanging wheel 701 matches the outer wall detection component 4. The bottom of the hanging wheel seat 7 is fixedly installed with a slider 702, and the slider 702 is slidably connected to the inside of the slide groove 501. The bottom of the slider 702 is provided with a stepped groove 703; the slider 702 at the bottom of the hanging wheel seat 7 slides inside the slide groove 501, and when the clamping plate 506 is disengaged from the clamping of the slider 702, the slider 702 can slide parallel to the inside of the slide groove 501, which is convenient for disengagement and installation.

[0027] As attached Figure 4 As shown, the height control seat 8 includes an adjusting motor 801, a driving screw 802 and a threaded barrel 803. The adjusting motor 801 is fixedly mounted on the inner bottom wall of the cabinet 1, and the output end of the adjusting motor 801 is fixedly mounted with the driving screw 802. The outer wall of the driving screw 802 is threadedly connected with the threaded barrel 803, and the top of the threaded barrel 803 is fixedly connected to the bottom of the adjusting seat 5; the adjusting seat 5 of the device is arranged opposite to the driving wheel 10, and the door hanging wheel 701 on the upper part of the hanging wheel seat 7 and the driving wheel 10 can be pressed against each other for rotation. When the device is in use, by starting the adjusting motor 801, the adjusting motor 801 drives the driving screw 802 to rotate, and the adjusting seat 5 is driven to move upward through the threaded barrel 803, so that the door hanging wheel 701 at the top of the adjusting seat 5 is pressed against the outer wall of the driving wheel 10. At this time, the adjusting motor 801 stops driving, and the driving motor 2 is started at the same time, so that the driving wheel 10 drives the door hanging wheel 701 for rotation detection.

[0028] As attached Figure 8-9 As shown, a bidirectional lead screw 901 is rotatably connected to one side of the replacement box 9, and a disengagement plate 902 and a replacement plate 903 are threadedly connected on the outer wall of the bidirectional lead screw 901. The disengagement plate 902 is located at the front end of the replacement plate 903, and a driving tooth plate 904 is fixedly installed on the outer wall of the disengagement plate 902. The number of the driving tooth plates 904 is multiple, and the multiple driving tooth plates 904 are grouped in pairs. The driving tooth plates 904 match the driving gear 503. A replacement groove 905 is opened on the outer wall of the replacement plate 903. The number of the replacement grooves 905 is adjusted according to the adjustment The number of seats 5 matches, and a limit plate 906 is fixedly installed at the lower part of the inner wall of the replacement groove 905, and the limit plate 906 matches the stepped groove 703; when the device needs to replace the door hanging wheel 701, the hanging wheel seat 7 to be replaced is first placed inside the replacement groove 905, and the stepped groove 703 at the bottom of the hanging wheel seat 7 is located at the limit plate 906. Through the rotation of the two-way lead screw 901, the disengagement plate 902 will be synchronously driven to move, and at this time, the driving tooth plate 904 on its outer wall will first be meshed and connected with the driving gear 503, The displacement of the detachment plate 902 will cause the driving gear 503 to drive the clamping screw 504 to rotate, thereby causing the two clamping plates 506 to move in opposite directions, and the clamping plate 506 will detach from the hanging wheel seat 7. The hanging wheel seat 7 on the upper part passes through the cavity in the middle of the two driving tooth plates 904. At this time, the detachment plate 902 will abut against the outer wall of the hanging wheel seat 7, causing the hanging wheel seat 7 to slide out of the top of the adjustment seat 5. At this time, the hanging wheel seat 7 to be replaced on the replacement plate 903 will be displaced to the inside of the slide groove 501. When resetting, the hanging wheel seat 7 to be replaced The bottom of the wheel seat 7 abuts against the bottom of the slide groove 501, and under the action of friction and the like, it stays inside the slide groove 501. The upper surface of the limit plate 906 of the device and the outer surface of the step groove 703 are relatively smooth. After the replacement is completed, the tooth plate 904 is driven to reset, which can automatically fix the hanging wheel seat 7. The device can automatically replace the hanging wheel seat 7 by setting the replacement plate 903 and the disengagement plate 902, so that the door hanging wheel 701 can be replaced synchronously, and can clamp itself after replacement to avoid deviation.

[0029] As attached Fig.10As shown, the driving box 3 is internally rotatably connected with a starting shaft 301, and a starting gear 305 is fixedly installed on the outer wall of the starting shaft 301. The number of the starting gears 305 is multiple, and the starting gear 305 is meshed with the external gear 502. A starting bevel gear 303 is fixedly installed on the outer wall of one end of the starting shaft 301; one end of the bidirectional lead screw 901 is located inside the driving box 3, and one end of the bidirectional lead screw 901 is fixedly connected to the output end of the stepping motor 302. The stepping motor 302 is fixedly installed inside the driving box 3, and the outer wall of one end of the bidirectional lead screw 901 is fixedly installed. A driving bevel gear 304 is fixedly installed, and the driving bevel gear 304 is meshed and connected with the starting bevel gear 303; the device can avoid the phenomenon of meshing failure by setting a plurality of starting gears 305. At the same time, when the adjusting seat 5 needs to be replaced, the descent of the adjusting seat 5 can initially drive the disengagement plate 902 to move. After the adjusting seat 5 is completely lowered, the stepping motor 302 can be automatically started to achieve the replacement function. There is no need to manually start the motor for replacement, and intelligent operation is realized. After the replacement is completed, the adjusting seat 5 moves upward for re-detection.

[0030] As attached Figure 11-12 As shown, the outer wall detection component 4 includes a fixed box 401, a sliding box 402 and a push-up ring 404. The sliding box 402 is slidably connected to the inner wall of the fixed box 401 through a spring push-up. A cleaning plate 403 is fixedly installed at the bottom of one end of the sliding box 402. The cleaning plate 403 pushes against the outer wall of the door hanging wheel 701. The upper part of one end of the sliding box 402 is installed with a push-up ring 404. The inside of the push-up ring 404 is installed with a telescopic push-up pin 405. The number of the telescopic push-up pins 405 is multiple, and the multiple telescopic push-up pins 405 are connected to each other. They are arranged to fit tightly against each other, and the telescopic ejector pin 405 is pressed against the outer wall of the door hanging wheel 701. When the device is performing detection, the outer wall of the door hanging wheel 701 can be cleaned by the cleaning plate 403 to avoid the presence of impurities and the like. At the same time, the telescopic ejector pin 405 is pressed against the outer wall of the door hanging wheel 701. When grooves or protrusions appear on the outer wall of the door hanging wheel 701, the telescopic ejector pin 405 can be extended or retracted, and the outer wall detection is performed by mechanical means, thereby achieving the effect of double detection and avoiding detection failure and inaccurate data.

[0031] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0032] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. An elevator door pulley detection device, comprising a cabinet (1) and a drive motor (2), characterized in that: A driving motor (2) is fixedly mounted in the middle of the interior of the cabinet (1); an output shaft (11) is fixedly mounted on the output end of the driving motor (2); a driving wheel (10) is fixedly mounted on the outer wall of the output shaft (11); a plurality of driving wheels (10) are installed at equal intervals; a height control seat (8) is installed on the inner bottom wall of the cabinet (1); an adjustment seat (5) is installed on the top of the height control seat (8); the adjustment seat (5) is electrically connected to the detection box (6); and the detection The box (6) is fixedly mounted on the inner wall of the cabinet (1); a pulley seat (7) is arranged on the top of the adjustment seat (5); a replacement box (9) is installed inside the cabinet (1); the replacement box (9) matches the adjustment seat (5); a drive box (3) is fixedly mounted on one end of the replacement box (9); the drive box (3) matches the outer wall of the adjustment seat (5); an outer wall detection component (4) is fixedly mounted on the inner wall of the cabinet (1); the outer wall detection component (4) matches the pulley seat (7).

2. An elevator door hanging wheel detection device according to claim 1, characterized in that: The control end of the drive motor (2) is electrically connected to the detection box (6).

3. The elevator door hanging wheel detection device according to claim 2, characterized in that: A slide groove (501) is provided on the top of the adjustment seat (5), the hanging wheel seat (7) is slidably connected to the inside of the slide groove (501), an outer tooth (502) is installed on the outer wall of the adjustment seat (5), and the lower part of the adjustment seat (5) is a light plate; The top of the adjustment seat (5) is rotatably connected to a driving gear (503), and a clamping screw (504) is installed at the axis of the driving gear (503). An extended thread block (505) is threadedly connected to the outer wall of the clamping screw (504), and a clamping plate (506) is fixedly installed at one end of the extended thread block (505), and the clamping plate (506) is slidably connected to the inside of the slide groove (501).

4. The elevator door hanging wheel detection device according to claim 3, characterized in that: The top of the wheel mount (7) is rotatably connected to a door wheel (701), the door wheel (701) matches the outer wall detection component (4), and the bottom of the wheel mount (7) is fixedly mounted with a slider (702), the slider (702) is slidably connected to the inside of the slide groove (501), and a stepped groove (703) is provided at the bottom of the slider (702).

5. The elevator door hanging wheel detection device according to claim 4, characterized in that: The height control seat (8) comprises an adjusting motor (801), a driving screw (802) and a threaded barrel (803); the adjusting motor (801) is fixedly mounted on the inner bottom wall of the cabinet (1); the driving screw (802) is fixedly mounted on the output end of the adjusting motor (801); the threaded barrel (803) is threadedly connected to the outer wall of the driving screw (802); and the top of the threaded barrel (803) is fixedly connected to the bottom of the adjusting seat (5).

6. The elevator door hanging wheel detection device according to claim 5, characterized in that: A bidirectional lead screw (901) is rotatably connected to one side of the interior of the replacement box (9), and a disengagement plate (902) and a replacement plate (903) are threadedly connected to the outer wall of the bidirectional lead screw (901). The disengagement plate (902) is located at the front end of the replacement plate (903), and a driving tooth plate (904) is fixedly installed on the outer wall of the disengagement plate (902). The number of the driving tooth plates (904) is multiple, and the multiple driving tooth plates (904) form a group of two. The driving tooth plates (904) match the driving gear (503). A replacement groove (905) is opened on the outer wall of the replacement plate (903), and the number of the replacement grooves (905) matches the number of the adjustment seats (5). A limit plate (906) is fixedly installed on the lower part of the inner wall of the replacement groove (905), and the limit plate (906) matches the stepped groove (703).

7. An elevator door hanging wheel detection device according to claim 6, characterized in that: A starting shaft (301) is rotatably connected inside the driving box (3), a starting gear (305) is fixedly mounted on the outer wall of the starting shaft (301), a plurality of starting gears (305) are meshedly connected with the outer teeth (502), and a starting bevel gear (303) is fixedly mounted on the outer wall of one end of the starting shaft (301); One end of the bidirectional lead screw (901) is located inside the drive box (3), one end of the bidirectional lead screw (901) is fixedly connected to the output end of the stepper motor (302), the stepper motor (302) is fixedly mounted inside the drive box (3), and a driving bevel gear (304) is fixedly mounted on the outer wall of one end of the bidirectional lead screw (901), and the driving bevel gear (304) is meshingly connected with the starting bevel gear (303).

8. The elevator door hanging wheel detection device according to claim 4, characterized in that: The outer wall detection component (4) comprises a fixed box (401), a sliding box (402) and a push-up ring (404); the sliding box (402) is slidably connected to the inner wall of the fixed box (401) by a spring push-up; a cleaning plate (403) is fixedly installed at the bottom of one end of the sliding box (402); the cleaning plate (403) pushes against the outer wall of the door hanging wheel (701); a push-up ring (404) is installed at the upper part of one end of the sliding box (402); a telescopic push-up pin (405) is installed inside the push-up ring (404); the number of the telescopic push-up pins (405) is plural, and the plural telescopic push-up pins (405) are arranged to fit closely to each other, and the telescopic push-up pin (405) pushes against the outer wall of the door hanging wheel (701).

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