阅读说明：本技术 一种电梯曳引钢丝绳检测装置和检测方法 (Elevator traction steel wire rope detection device and detection method ) 是由 寇彦飞 于瑞恩 郭九江 李菁菁 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种电梯曳引钢丝绳检测装置和检测方法,包括两个相对设置的检测机构、驱动机构、固定架和控制器,两个检测机构设置于固定架中间,每个检测机构均包括安装座、多个触碰报警装置和多个影像检测装置,安装座的一侧固定连接于驱动机构的输出端,且其另一侧可滑动地连接于固定架上,多个触碰报警装置和多个影像检测装置设置于安装座的同一侧。本发明通过将两个检测机构相对设置,当曳引钢丝绳出现断丝、断股等情况时,触碰报警装置受到碰撞,发出警报,通知管理人员及时进行处理,同时,影像检测装置对曳引钢丝绳进行摄像,并将图像信息传递给管理人员,使管理人员能够清晰地看到曳引钢丝绳,精确判断曳引钢丝绳的状态。(The invention discloses a detection device and a detection method for an elevator traction steel wire rope, which comprise two detection mechanisms, a driving mechanism, a fixing frame and a controller which are oppositely arranged, wherein the two detection mechanisms are arranged in the middle of the fixing frame, each detection mechanism comprises an installation seat, a plurality of touch alarm devices and a plurality of image detection devices, one side of the installation seat is fixedly connected to the output end of the driving mechanism, the other side of the installation seat is connected to the fixing frame in a sliding manner, and the plurality of touch alarm devices and the plurality of image detection devices are arranged on the same side of the installation seat. According to the invention, the two detection mechanisms are arranged oppositely, when the traction steel wire rope is broken, the touch alarm device is collided to send out an alarm to inform a manager to process in time, and meanwhile, the image detection device shoots the traction steel wire rope and transmits image information to the manager, so that the manager can clearly see the traction steel wire rope and accurately judge the state of the traction steel wire rope.)

1. The utility model provides an elevator tows wire rope detection device which characterized in that includes: the device comprises two opposite detection mechanisms (1), a driving mechanism (2), a traction rack (3), a fixed frame (4) and a controller (5); the fixed frame (4) is fixedly connected to the lower end of the traction frame (3); the driving mechanism (2) is fixedly connected to one side of the fixed frame (4); the two detection mechanisms (1) are arranged in the middle of the fixed frame (4); each detection mechanism (1) comprises a mounting seat (11), a plurality of touch alarm devices (12) and a plurality of image detection devices (13); one side of the mounting seat (11) is fixedly connected to the output end of the driving mechanism (2), and the other side of the mounting seat is slidably connected to the fixing frame (4); the touch alarm devices (12) are uniformly distributed at the lower part of the mounting seat (11); the image detection devices (13) are uniformly distributed on the upper part of the mounting seat (11); the number of the touch alarm devices (12) is the same as that of the image detection devices (13), and the touch alarm devices and the image detection devices are arranged in a one-to-one correspondence manner; the controller (5) is arranged on the traction rack (3); the driving mechanism (2), the plurality of touch alarm devices (12) and the plurality of image detection devices (13) are all electrically connected with the controller (5).

2. The elevator traction wire rope detection apparatus according to claim 1, wherein the driving mechanism (2) comprises a motor (21), a bidirectional ball screw (22), and two tables (23); the motor (21) is fixedly connected to the fixed frame (4); an output shaft of the motor (21) is fixedly connected with one end of a bidirectional ball screw (22) through a coupler; the two working tables (23) are respectively connected to two sides of the bidirectional ball screw (22) through nuts; each workbench (23) is fixedly connected with one mounting seat (11) respectively; the motor (21) is electrically connected with the controller (5).

3. The elevator traction wire rope detection device according to claim 1, wherein each touch alarm device (12) comprises a base (121), a contact (122), a touch alarm switch (123), two springs (124) and two telescopic rods (125); the base (121) is fixedly connected to the mounting seat (11); one end of each of the two telescopic rods (125) is fixedly connected to the base (121), and the other end of each of the two telescopic rods is fixedly connected with the contact (122); the two springs (124) are respectively sleeved outside the telescopic rods (125); the touch alarm switch (123) is fixedly connected to the middle part of the base (121); the touch alarm switch (123) is electrically connected with the controller (5).

4. The elevator traction steel wire rope detection device as claimed in claim 3, wherein the lower end of each mounting seat (11) is recessed inwards to form a plurality of first clamping grooves (1201) matched with the base (121); the first clamping grooves (1201) and the bases (121) are arranged in a one-to-one correspondence manner; the bottom wall of each clamping groove I (1201) is provided with an automatic telescopic device I (6); the output end of the first automatic telescopic device (6) is fixedly connected to one side, close to the bottom wall of the first clamping groove (1201), of the base (121); the first clamping grooves (1201) and the bases (121) are arranged in a one-to-one correspondence manner; the first automatic telescopic device (6) is electrically connected with the controller (5).

5. The elevator traction wire rope detection device according to claim 3, wherein the side of the contact (122) away from the base (121) is arc-shaped.

6. The elevator traction steel wire rope detection device as claimed in claim 1, wherein the upper end of each mounting seat (11) is recessed inwards to form a plurality of second clamping grooves (1301) matched with the image detection device (13); the second clamping grooves (1301) and the image detection devices (13) are arranged in a one-to-one correspondence manner; the bottom wall of each second clamping groove (1301) is provided with a second automatic telescopic device (7); the output end of the second automatic telescopic device (7) is fixedly connected to one side, close to the bottom wall of the second clamping groove (1301), of the image detection device (13); the second automatic telescopic device (7) is electrically connected with the controller (5).

7. The elevator traction steel wire rope detection device according to claim 6, wherein a placing seat (8) is arranged between the second clamping groove (1301) and the second automatic telescopic device (7); one end of the placing seat (8) is fixedly connected to the output end of the second automatic telescopic device (7), and a plurality of LED lamps (9) are uniformly distributed at the other end of the placing seat; the placing seat (8) is provided with a groove for placing the image detection device (13).

8. The elevator traction steel wire rope detection device according to claim 1, wherein a movable sliding table (401) is arranged on one side of the fixed frame (4); a sliding rail is arranged on the movable sliding table (401); correspondingly, one side of the mounting seat (11) is provided with a sliding block matched with the sliding rail.

9. An elevator traction wire rope detection method, characterized in that the elevator traction wire rope detection device according to any one of claims 1 to 8 is used, and the method comprises the following steps:

s1: the device is installed, and the traction steel wire rope passes through the middle of the two detection mechanisms (1);

s2: the starting motor (21) drives the ball screw to rotate, and the two detection mechanisms (1) are respectively driven by the two working tables (23) to simultaneously approach the traction steel wire rope until the preset position is reached;

s3: starting the automatic telescopic device I (6) to drive the touch alarm device (12) to move towards the traction steel wire rope, enabling the contact (122) to be close to the traction steel wire rope until a preset position is reached, starting the touch alarm switch (123) and starting touch alarm detection;

s4: starting the second automatic telescopic device (7) to drive the image detection device (13) to drag the steel wire rope to move until the steel wire rope reaches a preset position, and starting the image detection device (13) and the LED lamp (9) to start image detection;

s5: after detection is finished, the first automatic telescopic device (6) and the second automatic telescopic device (7) are used for respectively withdrawing the touch alarm device (12) and the image detection device (13) into the first clamping groove (1201) and the second clamping groove (1301), and the motor (21) is started to drive the ball screw to enable the detection mechanism (1) to be far away from the traction steel wire rope.

Technical Field

The invention relates to the technical field of elevator detection, in particular to a device and a method for detecting an elevator traction steel wire rope.

Background

In modern society, the use of elevators is very widespread and inseparable from people's daily lives, and has become equipment for transporting everywhere people and goods among multi-story buildings, and the safety performance of elevators plays a crucial role. Since elevators frequently stop between floors all the time, the safety performance of elevators plays a very important role, and the safe use of elevators is receiving more and more attention. The elevator car and the counterweight device are connected by a traction steel wire rope, the traction steel wire rope is driven by a traction machine to move, the elevator car moves in a hoistway, the traction steel wire rope is used as a main stress and force transmission component, and the safety performance of the traction steel wire rope has great influence on the use safety of the elevator.

Because the actual use frequency of the elevator is different, the service life of the traction steel wire rope is also different, the related detection mechanisms and maintenance departments of the country need to detect the working condition of the traction steel wire rope of the elevator regularly or irregularly every year, and the detection mechanisms and the maintenance departments need to detect the phenomenon that the traction steel wire rope is broken and stranded and must be replaced in time. The conventional method for detecting strand breakage of the elevator traction steel wire rope mainly comprises regular manual detection or X-ray flaw detection. The manual detection mostly adopts a visual observation mode, the time consumption is long, the effect is poor, and especially for the traction steel wire rope of a high-rise elevator with the length of hundreds of meters, the accuracy is difficult to ensure by only depending on the visual observation. The X-ray flaw detection has high cost and complex operation, needs professional operators and is not suitable for regular and frequent detection.

Therefore, it is one of the technical problems to be solved in the art to provide an elevator traction wire rope detection device and a detection method which have simple structure and convenient operation and can accurately detect the state of an elevator traction wire rope.

Disclosure of Invention

In view of the above, the present invention provides a device and a method for detecting an elevator hoisting rope, which aims to solve the above-mentioned disadvantages.

In order to solve the technical problems, the invention adopts the following technical scheme:

an elevator traction wire rope detection device comprises: the device comprises two opposite detection mechanisms, a driving mechanism, a traction machine frame, a fixed frame and a controller; the fixed frame is fixedly connected to the lower end of the traction frame; the driving mechanism is fixedly connected to one side of the fixed frame; the two detection mechanisms are arranged in the middle of the fixing frame; each detection mechanism comprises a mounting seat, a plurality of touch alarm devices and a plurality of image detection devices; one side of the mounting seat is fixedly connected to the output end of the driving mechanism, and the other side of the mounting seat is slidably connected to the fixed frame; the touch alarm devices are uniformly distributed at the lower part of the mounting seat; the image detection devices are uniformly distributed on the upper part of the mounting seat; the number of the touch alarm devices is the same as that of the image detection devices, and the touch alarm devices and the image detection devices are arranged in a one-to-one correspondence manner; the controller is arranged on the traction machine; the driving mechanism, the plurality of touch alarm devices and the plurality of image detection devices are all electrically connected with the controller.

The beneficial effect of this technical scheme is: the two detection mechanisms are arranged oppositely, the traction steel wire rope passes through the middle of the two detection mechanisms, the driving mechanism drives the two mounting seats to move towards the traction steel wire rope, the touch alarm device and the image detection device are moved to preset positions, when the traction steel wire rope has broken wires, strands are broken and the like, so that the diameter of the traction steel wire rope is increased, the touch alarm device is collided, an alarm is triggered, an elevator manager is informed to handle the alarm in time, safety accidents are avoided, meanwhile, the image detection device is started to shoot the traction steel wire rope, the traction steel wire rope image is transmitted to the elevator manager through the controller, the elevator manager can clearly see the traction steel wire rope, the state of the traction steel wire rope is accurately judged, the traction steel wire rope can be used normally, and the normal operation of the elevator is guaranteed.

Preferably, the driving mechanism comprises a motor, a bidirectional ball screw and two working tables; the motor is fixedly connected to the fixed frame; an output shaft of the motor is fixedly connected with one end of the bidirectional ball screw through a coupler; the two working tables are respectively connected to two sides of the bidirectional ball screw through nuts; each workbench is fixedly connected with one mounting seat; the motor is electrically connected with the controller.

The beneficial effect of this technical scheme is: the motor drives the ball screw to rotate, so that the two working tables are driven to synchronously move outwards or inwards, the mounting seat is driven to synchronously move, the touch alarm device and the image detection device are driven to synchronously move, and the detection precision is improved.

Preferably, each touch alarm device comprises a base, a contact, a touch alarm switch, two springs and two telescopic rods; the base is fixedly connected to the mounting seat; one end of each of the two telescopic rods is fixedly connected to the base, and the other end of each of the two telescopic rods is fixedly connected with the contact; the two springs are respectively sleeved on the outer sides of the two telescopic rods; the touch alarm switch is fixedly connected to the middle part of the base; the touch alarm switch is electrically connected with the controller.

Preferably, the lower end of each mounting seat is recessed inwards to form a plurality of first clamping grooves matched with the base; the first clamping grooves are in one-to-one correspondence with the bases; the bottom wall of each clamping groove I is provided with an automatic telescopic device I; the output end of the first automatic telescopic device is fixedly connected to one side, close to the bottom wall of the clamping groove, of the base; the first clamping grooves are in one-to-one correspondence with the bases; and the first automatic telescopic device is electrically connected with the controller.

The beneficial effect of this technical scheme is: through a drive touch alarm device of an automatic telescopic device, when the detection is needed, the first automatic telescopic device pushes the touch alarm device to extend out of a first clamping groove until reaching a preset position, and after the detection is completed, the first automatic telescopic device pulls the touch alarm device back to the first clamping groove, so that certain protection can be provided for the touch alarm device, and the damage risk is reduced.

Preferably, one side of the contact, which is far away from the base, is in a circular arc shape.

The beneficial effect of this technical scheme is: through setting up the contact into circular-arc, can wrap whole haulage wire rope, make the detection coverage wider, improve and detect the accuracy nature.

Preferably, the upper end of each mounting seat is recessed inwards to form a plurality of second clamping grooves matched with the image detection device; the second clamping grooves are in one-to-one correspondence with the image detection devices; the bottom wall of each clamping groove II is provided with a second automatic telescopic device; the output end of the second automatic telescopic device is fixedly connected to one side, close to the bottom wall of the second clamping groove, of the image detection device; and the second automatic telescopic device is electrically connected with the controller.

The beneficial effect of this technical scheme is: through two drive image detection device of automatic telescoping device, when needs examine, two promotion image detection device of automatic telescoping device stretch out draw-in groove two, until reaching preset position, when detecting the completion back, two automatic telescoping devices draw back image detection device in the draw-in groove two, can provide certain protection for image detection device, reduce the damage risk.

Preferably, a placing seat is arranged between the second clamping groove and the second automatic telescopic device; one end of the placing seat is fixedly connected with the output end of the second automatic telescopic device, and a plurality of LED lamps are uniformly distributed at the other end of the placing seat; the placing seat is provided with a groove for placing the image detection device.

The beneficial effect of this technical scheme is: the LED lamp is used for providing illumination for the traction steel wire rope, so that an image shot by the image detection device is clearer, an elevator manager can make more accurate judgment, and the normal work of the traction steel wire rope is ensured.

Preferably, one side of the fixed frame is provided with a movable sliding table; a sliding rail is arranged on the movable sliding table; correspondingly, one side of the mounting seat is provided with a sliding block matched with the sliding rail.

The method for detecting the elevator traction steel wire rope by using the elevator traction steel wire rope detection device comprises the following steps:

s1: the device is installed, and the traction steel wire rope passes through the middle of the two detection mechanisms;

s2: the starting motor drives the ball screw to rotate, and the two detection mechanisms are respectively driven by the two workbenches to simultaneously approach the traction steel wire rope until the preset position is reached;

s3: starting an automatic telescopic device I to drive a touch alarm device to move towards a traction steel wire rope, enabling a contact to be close to the traction steel wire rope until a preset position is reached, starting a touch alarm switch, and starting touch alarm detection;

s4: starting the second automatic telescopic device to drive the image detection device to move relative to the traction steel wire rope until a preset position is reached, and starting the image detection device and the LED lamp to start image detection;

s5: after the detection is finished, the first automatic telescopic device and the second automatic telescopic device are used for withdrawing the touch alarm device and the image detection device into the first clamping groove and the second clamping groove respectively, and the motor is started to drive the ball screw to enable the detection mechanism to be far away from the traction steel wire rope.

Compared with the prior art, the invention has the following technical effects: the invention firstly drives the ball screw to rotate through the motor, drives the two workbenches to synchronously move, thereby driving the mounting seat to synchronously move, further leading the touch alarm device and the image detection device which are oppositely arranged to accurately reach the preset position, improving the detection accuracy, then pushes the touch alarm device through the first automatic expansion device, leading the two arc-shaped contacts which are oppositely arranged to wrap the dragging steel wire rope, when the diameter of the dragging steel wire rope is enlarged due to the wire breakage, strand breakage and the like of the dragging steel wire rope, the contacts are collided and extruded to touch the alarm switch to trigger the alarm, and the controller informs the alarm information to the elevator manager in time to stop the elevator in time, thereby effectively avoiding the occurrence of safety accidents, simultaneously, pushes the image detection device to extend through the second automatic expansion device, and starts the image detection device and the LED lamp, the elevator traction device is simple in structure, convenient to operate and capable of accurately detecting the state of the traction steel wire rope of the elevator and guaranteeing safe operation of the elevator.

Drawings

Fig. 1 is a schematic structural view of an elevator traction wire rope detection device of the present invention;

FIG. 2 is an isometric view of the present invention with the traction frame removed;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a sectional view taken along line B-B of FIG. 2;

FIG. 5 is a partial enlarged view of portion C of FIG. 4;

FIG. 6 is a schematic view of the driving mechanism;

FIG. 7 is a schematic view of a touch alarm device;

in the figure: 1. a detection mechanism; 11. a mounting seat; 12. touching an alarm device; 1201. a first clamping groove; 121. a base; 122. a contact; 123. touching an alarm switch; 124. a spring; 125. a telescopic rod; 13. an image detection device; 1301. a second clamping groove; 2. a drive mechanism; 21. a motor; 22. a bidirectional ball screw; 23. a work table; 3. dragging the stander; 4. a fixed mount; 401. moving the sliding table; 5. a controller; 6. a first automatic telescopic device; 7. a second automatic telescopic device; 8. a placing seat; 9. an LED lamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1 to 7, the present invention provides an elevator traction wire rope detecting apparatus, including: 2 relatively arranged detection mechanisms 1, driving mechanisms 2, traction frames 3, fixed frames 4 and controllers 5; the fixed frame 4 is fixedly connected to the lower end of the traction frame 3; the driving mechanism 2 is fixedly connected to one side of the fixed frame 4; the 2 detection mechanisms 1 are arranged in the middle of the fixed frame 4; each detection mechanism 1 comprises a mounting seat 11, a plurality of touch alarm devices 12 and a plurality of image detection devices 13; one side of the mounting seat 11 is fixedly connected to the output end of the driving mechanism 2, and the other side thereof is slidably connected to the fixed frame 4; the plurality of touch alarm devices 12 are uniformly distributed at the lower part of the mounting seat 11; the plurality of image detection devices 13 are uniformly distributed on the upper part of the mounting seat 11; the number of the touch alarm devices 12 is the same as that of the image detection devices 13, and the touch alarm devices and the image detection devices are arranged in a one-to-one correspondence manner; the controller 5 is arranged on the traction frame 3; the driving mechanism 2, the plurality of touch alarm devices 12 and the plurality of image detection devices 13 are all electrically connected to the controller 5.

In the present embodiment, the drive mechanism 2 includes a motor 21, a bidirectional ball screw 22, and 2 tables 23; the motor 21 is fixedly connected to the fixed frame 4; an output shaft of the motor 21 is fixedly connected with one end of a bidirectional ball screw 22 through a coupler; the 2 working tables 23 are respectively connected to two sides of the bidirectional ball screw 22 through nuts; each workbench 23 is fixedly connected with one mounting seat 11; the motor 21 is electrically connected to the controller 5.

In the present embodiment, each touch alarm device 12 includes a base 121, a contact 122, a touch alarm switch 123, 2 springs 124, and 2 telescopic rods 125; the base 121 is fixedly connected to the mounting base 11; one end of each of the 2 telescopic rods 125 is fixedly connected to the base 121, and the other end thereof is fixedly connected to the contact 122; the 2 springs 124 are respectively sleeved outside the two telescopic rods 125; the touch alarm switch 123 is fixedly connected to the middle part of the base 121; the touch alarm switch 123 is electrically connected to the controller 5.

In the embodiment, the lower end of each mounting seat 11 is recessed inwards to form a plurality of first clamping grooves 1201 matched with the base 121; the first clamping grooves 1201 and the base 121 are arranged in a one-to-one correspondence manner; the bottom wall of each clamping groove I1201 is provided with an automatic telescopic device I6; the output end of the first automatic telescopic device 6 is fixedly connected to one side, close to the bottom wall of the first clamping groove 1201, of the base 121; the first clamping grooves 1201 and the base 121 are arranged in a one-to-one correspondence manner; the first automatic telescopic device 6 is electrically connected with the controller 5.

In the present embodiment, the contact 122 is arc-shaped on the side away from the base 121.

In the embodiment, the upper end of each mounting seat 11 is recessed inwards to form a plurality of second slots 1301 matched with the image detection device 13; the second clamping groove 1301 and the image detection device 13 are arranged in a one-to-one correspondence manner; the bottom wall of each second clamping groove 1301 is provided with a second automatic telescopic device 7; the output end of the second automatic telescopic device 7 is fixedly connected to one side, close to the bottom wall of the second clamping groove 1301, of the image detection device 13; the second automatic telescopic device 7 is electrically connected with the controller 5.

In this embodiment, a placing seat 8 is arranged between the second clamping groove 1301 and the second automatic telescopic device 7; one end of the placing seat 8 is fixedly connected with the output end of the second automatic telescopic device 7, and 4 LED lamps 9 are uniformly distributed at the other end of the placing seat; the placing seat 8 is provided with a groove for placing the image detection device 13.

In this embodiment, a movable sliding table 401 is provided on one side of the fixed frame 4; a sliding rail is arranged on the movable sliding table 401; correspondingly, one side of the mounting seat 11 is provided with a sliding block matched with the sliding rail.

In this embodiment, the first automatic retraction device 6 and the second automatic retraction device 7 are both electric retractable rods.

In the present embodiment, the image detection device 13 is a camera.

In this embodiment, the first card slot 1201 and the second card slot 1301 are both T-shaped structures.

In other embodiments, the number of the LED lamps 9 can be designed according to actual requirements.

The invention also provides a detection method of the elevator traction steel wire rope, and the detection device of the elevator traction steel wire rope comprises the following steps:

s1: the device is installed, and the traction steel wire rope passes through the middles of the 2 detection mechanisms 1;

s2: the starting motor 21 drives the ball screw to rotate, and 2 detection mechanisms 1 are respectively driven by 2 working tables 23 to simultaneously approach a traction steel wire rope until a preset position is reached;

s3: starting the first automatic telescopic device 6 to drive the touch alarm device 12 to move towards the traction steel wire rope, enabling the contact 122 to approach the traction steel wire rope until a preset position is reached, starting the touch alarm switch 123 and starting touch alarm detection;

s4: starting the second automatic telescopic device 7 to drive the image detection device 13 to drag the steel wire rope to move until reaching a preset position, and starting the image detection device 13 and the LED lamp 9 to start image detection; s5: after detection is finished, the first automatic telescopic device 6 and the second automatic telescopic device 7 are used for withdrawing the touch alarm device 12 and the image detection device 13 into the first clamping groove 1201 and the second clamping groove 1301 respectively, and the motor 21 is started to drive the ball screw to enable the detection mechanism 1 to be far away from the traction steel wire rope.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.