CN218024824U

CN218024824U - Elevator safety gear detection device

Info

Publication number: CN218024824U
Application number: CN202221871843.5U
Authority: CN
Inventors: 赖凌华; 赖济华; 张哲�
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-13
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses an elevator safety tongs detection device, including laser emission mechanism and laser receiving mechanism, laser emission mechanism with laser receiving mechanism has central processing unit through electric connection, central processing unit has the telescopic link through electric connection, the one end of telescopic link loose axle is provided with clean mechanism, central processing unit is through setting up telescopic link control clean mechanism reciprocates, laser emission mechanism include the support arm, set up in laser controller and laser lamp on the support arm, set up in the outside printing opacity safety cover A of laser lamp, laser receiving mechanism includes laser receiver, receives worn-out fur and printing opacity safety cover B. The utility model discloses an improved generation door opening lintel mould has detection safety tongs trouble and dust, gets rid of the effect of potential safety hazard, adopts dust and sandy soil on the light absorption method detection safety tongs, detects the installation angle of voussoir simultaneously, gets rid of the potential safety hazard.

Description

Elevator safety gear detection device

Technical Field

The utility model relates to an elevator field especially relates to an elevator safety tongs detection device.

Background

Safety tongs are the safety arrangement of elevator. The elevator safety gear device is a safety device which emergently stops a car and clamps the car on a guide rail under the operation of a speed limiter when the speed of an elevator exceeds the set limit speed of the speed limiter of the elevator or in the case of breakage and looseness of a suspension rope. It provides effective protection for the safe operation of the elevator and is generally installed on a car frame or a counterweight frame.

In daily use, foreign matter such as sand, dust and the like in the safety gear wedge block cannot clamp the guide rail, and the lift car continues to slide downwards to cause failure. Because the distance between the safety gear voussoir and the guide rail only has between 1.5mm to 3mm, mostly adopt and dismantle abluent mode, in addition, the screw of safety gear becomes flexible the back, and the safety gear voussoir misplaces under the vibrations influence of elevator operation, produces the potential safety hazard, causes the elevator accident in serious time. Therefore, a safety gear detection device is required to eliminate the danger.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an elevator safety tongs detection device aims at solving the technical problem that dust accumulation and voussoir dislocation produced the potential safety hazard in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an elevator safety tongs detection device, includes laser emission mechanism and laser receiving mechanism, laser emission mechanism with laser receiving mechanism has central processing unit through electric connection, central processing unit has the telescopic link through electric connection, the one end of telescopic link loose axle is provided with clean mechanism, central processing unit is through setting up telescopic link control clean mechanism reciprocates, laser emission mechanism include the support arm, set up in laser controller and laser lamp on the support arm, set up in the outside printing opacity safety cover A of laser lamp, laser receiving mechanism includes laser receiver, receives worn-out fur and printing opacity safety cover B.

The dust and sand on the safety tongs are detected by adopting a light absorption method, the principle is that a laser emitting mechanism emits laser, when light waves pass through linear substances, the light waves can interact with the substances, part of the light waves are absorbed by a medium and are converted into heat energy, part of the light waves are scattered by the medium and deviate from the original propagation direction, the rest part of the light waves still pass through the medium according to the original propagation direction, the light intensity of the transmitted part and the incident light intensity accord with the Lambert-proportional law, a laser receiving mechanism receives the laser at the other side of the safety tongs, when the dust amount on the safety tongs is accumulated to a certain value, the light intensity and the incident angle of the incident laser are changed, under the control of a central processing unit, a telescopic rod drives a cleaning mechanism to clean the wedge blocks of the safety tongs, the cleaning process is only carried out when an elevator stops moving, in addition, when the screw on the safety tongs is loosened to cause the wedge blocks, the incident angle of the laser to be greatly changed, the central processing unit can also trigger an alarm after receiving signals, and potential safety hazards are eliminated.

In a preferred scheme, one side of laser receiver is provided with slider and slide rail, the slider is in the inside adaptation of slide rail slides, be provided with the adjustment tank on the slide rail, the slider passes through the fix with screw that sets up in the adjustment tank inside the slide rail, during the use, install the laser receiving mechanism on the slider and pass through the slider adjusting position on the slide rail, according to the distance between safety tongs voussoir and the guide rail, adjust laser receiving mechanism to suitable position after, through the fix with screw slider can, and the mounted position setting of screw is in the slide rail top, compare in the side with screw snap-on laser receiving mechanism from side, because side is provided with safety tongs subassembly and guide rail set spare and the top is spacious more, has more space usage tools, and is more convenient at the in-process of actual installation and dismantlement, and fixes a position more easily when adjusting laser receiving mechanism.

In a preferred scheme, clean mechanism including clean board, set up in a plurality of fixed slots of clean board outer wall both sides and set up in a plurality of the inside scraper blade of fixed slot, set up in brush, the clean cushion that sets up in clean board outer wall both sides at clean board outer wall middle part, clean board with the one end of telescopic link loose axle is connected, and clean mechanism is used for clearing up dust and printing opacity safety cover A and printing opacity safety cover B on the safety tongs voussoir, and during the use, the telescopic link drives the clean board and sweeps the safety tongs voussoir, and the scraper blade that is located clean board both sides contacts the voussoir at first, scrapes the stubborn dust on soft voussoir surface, and the dust in the clean voussoir gap is followed to the brush, sets up at the gliding in-process of clean cushion at clean board both ends, just contacts with printing opacity safety cover A and printing opacity safety cover B, the dust on clean surface.

In a preferred scheme, the long side edge of the cleaning plate and one end of the telescopic rod movable shaft are obliquely arranged, the cleaning angle is set between 15 degrees and 75 degrees, when the cleaning mechanism cleans dust, the dust can be concentrated in the sewage discharge groove, and when the cleaning plate is obliquely arranged, the dust can slide along the oblique sewage discharge groove and then fall into the elevator shaft, so that the use is convenient.

By last, an elevator safety tongs detection device, including laser emission mechanism and laser receiving mechanism, laser emission mechanism with laser receiving mechanism has central processing unit through electric connection, central processing unit has the telescopic link through electric connection, the one end of telescopic link loose axle is provided with clean mechanism, central processing unit is through setting up telescopic link control clean mechanism reciprocates, laser emission mechanism include the support arm, set up in laser controller and laser lamp on the support arm, set up in the outside printing opacity safety cover A of laser lamp, laser receiving mechanism includes laser receiver, receives worn-out fur and printing opacity safety cover B. The utility model provides an elevator safety tongs detection device has detection safety tongs trouble and dust, gets rid of the technological effect of potential safety hazard.

Drawings

Fig. 1 is the utility model provides an elevator safety tongs detection device's overall structure sketch map.

Fig. 2 is the utility model provides an enlarged structure schematic diagram of a department of elevator safety gear detection device.

Fig. 3 is a schematic structural view of a cleaning mechanism of the elevator safety gear detection device provided by the utility model.

Fig. 4 is the utility model provides an elevator safety tongs detection device's laser emission mechanism structure sketch map.

Fig. 5 is the utility model provides a laser receiving mechanism structure sketch of elevator safety gear detection device.

In the drawings: 1. a safety gear fixing arm; 2. a safety gear movable arm; 3. a safety gear wedge block; 4. a support frame; 5. a telescopic rod; 6. a cleaning mechanism; 61. a brush; 62. a squeegee; 63. fixing grooves; 64. cleaning the soft pad; 65. a sewage draining groove; 7. a laser emitting mechanism; 71. a support arm; 72. a laser controller; 73. a laser light; 74. a light-transmitting protective cover A; 75. a bevel; 8. a laser receiving mechanism; 81. a slide rail; 82. a slider; 83. an adjustment groove; 84. a laser receiver; 85. a light receiving plate; 86. a light-transmitting protective cover B; 9. a central processing unit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The utility model discloses an elevator safety gear detection device mainly is applied to the scene that a large amount of dust of safety gear voussoir 3 surface accumulation and voussoir dislocation produced the potential safety hazard.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, an elevator safety gear detection device, including laser emission mechanism 7 and laser receiving mechanism 8, laser emission mechanism 7 and laser receiving mechanism 8 are connected with central processing unit 9 through electrical property, central processing unit 9 and laser receiving mechanism 8 are installed on safety gear fixed arm 1, laser emission mechanism 7 is connected on safety gear movable arm 2 through bolt fixed connection, central processing unit 9 is connected with telescopic link 5 through electrical property, the one end of telescopic link 5 loose axle is provided with cleaning mechanism 6, central processing unit 9 controls cleaning mechanism 6 through the telescopic link 5 that sets up and reciprocates, laser emission mechanism 7 includes support arm 71, laser controller 72 and laser lamp 73 that set up on support arm 71, set up the outside printing opacity safety cover a74 of laser lamp 73, laser receiving mechanism 8 includes laser receiver 84, photic board 85 and printing opacity safety cover B86, the outer wall of telescopic link 5 is provided with support frame 4, support frame 4 is connected on safety gear fixed arm 1 through bolt fixed connection.

In specific application scene, telescopic link 5 and 4 junctions of support frame are provided with the dust hood, and when telescopic link 5 shrink, clean mechanism 6 is in the inside of dust hood as well, avoids the dust to fall on clean mechanism 6 when the device is idle, keeps clean mechanism 6's cleanness.

In a specific application scene, the central processing unit 9 is electrically connected with an alarm device of the elevator, and when the laser receiving mechanism 8 detects that the laser incident angle has large deviation, the alarm is triggered.

The principle of the method is that a laser emitting mechanism 7 emits laser, when light waves pass through linear substances, the light waves interact with the substances, part of the light waves are absorbed by media and converted into heat energy, part of the light waves are scattered by the media and deviate from the original propagation direction, the rest part of the light waves still pass through the media according to the original propagation direction, the light intensity of the penetrating part and the incident light intensity accord with the Lambert-proportional law, a laser receiving mechanism 8 receives the laser at the other side of the safety tongs, when the dust amount on the safety tongs is accumulated to a certain value, the light intensity and the incident angle of the incident laser are changed, under the control of a central processing unit 9, a telescopic rod 5 drives a cleaning mechanism 6 to clean a wedge block 3 of the safety tongs, the cleaning process is only carried out when an elevator stops moving, in addition, when a screw on the safety tongs is loosened and dislocated, the incident angle of the laser greatly changes, and the central processing unit 9 can trigger an alarm to eliminate potential safety hazards.

Referring to fig. 1, 2 and 5, in a preferred embodiment, a sliding block 82 and a sliding rail 81 are arranged on one side of a laser receiver 84, the sliding rail 81 is fixedly connected to the safety gear fixing arm 1 through a bolt, the sliding block 82 is adapted to slide in the sliding rail 81, an adjusting groove 83 is arranged on the sliding rail 81, and the sliding block 82 is fixed in the sliding rail 81 through a screw arranged in the adjusting groove 83.

It should be noted that, during the use, install laser receiving mechanism 8 on slider 82 through slider 82 adjusting position on slide rail 81, according to the distance between safety tongs voussoir 3 and the guide rail, adjust laser receiving mechanism 8 to suitable position after, through the screw fixed slider 82 can, and the mounted position of screw sets up in slide rail 81 top, compare in with from the side with screw directly fixed laser receiving mechanism 8, because the side is provided with safety tongs subassembly and guide rail subassembly and the top is spacious, there are more space usage tools, it is more convenient at the in-process of actual installation and dismantlement, and fix a position more easily when adjusting laser receiving mechanism 8.

Referring to fig. 2, 4 and 5, in a preferred embodiment, the sides of the light-transmissive protective cover a74 and the light-transmissive protective cover B86 are each provided with a slope 75.

It should be noted that the ramp 75 is used to guide the cleaning pad 64 to prevent the cleaning pad 64 from catching on the edges of the two protective covers.

Referring to fig. 1, 2 and 3, in a preferred embodiment, the cleaning mechanism 6 includes a cleaning plate, a plurality of fixing grooves 63 disposed at both sides of an outer wall of the cleaning plate, and scrapers 62 disposed inside the fixing grooves 63, a brush 61 disposed at a middle portion of the outer wall of the cleaning plate, and a plurality of cleaning pads 64 disposed at both sides of the outer wall of the cleaning plate, the cleaning plate is connected to one end of a movable shaft of the telescopic rod 5, a dirt discharge groove 65 is formed between the scrapers 62 and the brush 61, the scrapers 62 are disposed at a long side of the outer wall of the cleaning plate, the cleaning pads 64 are disposed at a short side of the outer wall of the cleaning plate, the cleaning plate is disposed in a parallelogram shape, a total thickness of the cleaning plate and the scrapers 62 is set between 0.5mm and 1.5mm, the long side of the cleaning plate and one end of the movable shaft of the telescopic rod 5 are obliquely installed, a cleaning angle is set between 15 ° and 75 °, when the cleaning mechanism 6 cleans dust, the dust is collected in the dirt discharge groove 65, when the cleaning plate is obliquely installed, the dust can slide down to an elevator shaft, and the dust can be conveniently used.

It should be noted that, the cleaning mechanism 6 is used for cleaning dust on the safety tong wedge 3, the light-transmitting protective cover a74 and the light-transmitting protective cover B86, when in use, the telescopic rod 5 drives the cleaning plate to pass through the safety tong wedge 3, the scraping plates 62 on both sides of the cleaning plate are firstly contacted with the wedge to scrape and loosen stubborn dust on the surface of the soft wedge, the brush 61 is then used for cleaning dust in a wedge gap, the cleaning cushions 64 arranged at both ends of the cleaning plate are just contacted with the light-transmitting protective cover a74 and the light-transmitting protective cover B86 in a sliding process to clean dust on the surface, when in use, the cleaning plate is arranged in a gap between the safety tong wedge 3 and a guide rail, as most of gaps between the safety tong wedge 3 and the guide rail are 1.5mm to 3mm, and a few are more than 3mm, the total thickness of the cleaning plate and the scraping plate 62 is set within 1.5mm to be adapted to most of the situation, the cleaning plate is made of a stainless steel metal plate and has certain elasticity, the scraping plate 62 is made of rubber, when the scraping plate 62 is contacted with the safety tong wedge 3, as the surface is provided with lines for sliding of the safety tong wedge 3, and the dust can be shaken in a dirt discharging groove 65, and the dust can be discharged into the dirt discharge groove in a shaking assisting manner.

The working principle is as follows: during the use, adopt dust and sand on the light absorption method detection safety tongs, its principle is laser emission mechanism 7 transmission laser, laser receiving mechanism 8 receives laser at the safety tongs opposite side, when the dust volume on the safety tongs accumulates a definite value, the luminous intensity and the incident angle of incident laser change, central processing unit 9 triggers telescopic link 5 after receiving the signal, telescopic link 5 drives 6 clearance safety tongs voussoir of cleaning mechanism 3, and the clearance process only goes on when the elevator stops moving, furthermore, when the screw of safety tongs becomes flexible and leads to the voussoir dislocation, laser incident angle takes place great change, central processing unit 9 receives the alarm that triggers elevator self after the signal, remind the staff to get rid of the potential safety hazard, accomplish dust detection and the not hard up safety inspection synchronization of voussoir and go on.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. According to the technical scheme of the utility model and utility model thereof think of and equal replacement or change, all should cover within the scope of protection of the utility model.

Claims

1. The utility model provides an elevator safety gear detection device, includes laser emission mechanism (7) and laser receiving mechanism (8), its characterized in that, laser emission mechanism (7) with laser receiving mechanism (8) have central processing unit (9) through electric connection, central processing unit (9) have telescopic link (5) through electric connection, the one end of telescopic link (5) loose axle is provided with clean mechanism (6), central processing unit (9) are through setting up telescopic link (5) control clean mechanism (6) reciprocate, laser emission mechanism (7) include support arm (71), set up in laser controller (72) and laser lamp (73) on support arm (71), set up in outside printing opacity safety cover A (74) of laser lamp (73), laser receiving mechanism (8) include laser receiver (84), photic board (85) and printing opacity safety cover B (86).

2. The elevator safety gear detection device according to claim 1, characterized in that a sliding block (82) and a sliding rail (81) are arranged on one side of the laser receiver (84), the sliding block (82) is adapted to slide in the sliding rail (81), an adjusting groove (83) is arranged on the sliding rail (81), and the sliding block (82) is fixed in the sliding rail (81) through a screw arranged in the adjusting groove (83).

3. An elevator safety gear detection device according to claim 2, characterized in that the sides of the light-transmitting protective cover A (74) and the light-transmitting protective cover B (86) are provided with a bevel (75).

4. The elevator safety gear detection device according to claim 1, wherein the cleaning mechanism (6) comprises a cleaning plate, a plurality of fixing grooves (63) arranged on two sides of the outer wall of the cleaning plate, a scraping plate (62) arranged inside the fixing grooves (63), a brush (61) arranged in the middle of the outer wall of the cleaning plate, and a plurality of cleaning cushions (64) arranged on two sides of the outer wall of the cleaning plate, and the cleaning plate is connected with one end of the movable shaft of the telescopic rod (5).

5. An elevator safety gear detection apparatus as claimed in claim 4, wherein a dirt discharge groove (65) is formed between the plurality of scrapers (62) and the brush (61).

6. The elevator safety gear detection device according to claim 4, wherein the cleaning plate is arranged in a parallelogram shape, and the total thickness of the cleaning plate and the scraper (62) is set between 0.5mm and 1.5 mm.

7. The elevator safety gear detection device according to claim 4, characterized in that a plurality of the scrapers (62) are arranged on the long side of the outer wall of the cleaning plate, and a plurality of the cleaning cushions (64) are arranged on the short side of the outer wall of the cleaning plate.

8. The elevator safety gear detection device according to claim 4, wherein the long side of the cleaning plate is obliquely arranged with one end of the movable shaft of the telescopic rod (5), and the cleaning angle is set between 15 degrees and 75 degrees.

9. The elevator safety gear detection device according to claim 1, characterized in that the outer wall of the telescopic rod (5) is provided with a support frame (4).