Elevator safety anti-falling device

Abstract

The utility model provides an elevator safety anti-falling device, which relates to the technical field of elevator safety, and comprises a mounting box, a speed governor main body is arranged in the mounting box, a mounting plate is fixedly mounted at the top of the mounting box, a cleaning mechanism is arranged at the top of the mounting plate, and the front surface of the mounting plate is provided with an anti-falling mechanism. And a driving mechanism is arranged on the front surface of the mounting plate. The driving mechanism is arranged to drive the cleaning mechanism to reciprocate on the inner side of the mounting plate, so that the cleaning mechanism comprehensively cleans the speed governor body, the cleaning effect on oil stains and dust on the surface of the speed governor body is improved, the oil stains and the dust are prevented from being accumulated on the speed governor body, and normal operation of the speed governor body is prevented from being affected; the cleaning mechanism is arranged to clean the speed limiter body, air is sprayed out to clean the surface of the speed limiter body according to the air pressure principle, and abrasion to the surface of the speed limiter body can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator safety, and in particular to an elevator safety anti-falling device. Background Art

[0002] The elevator anti-fall system is a key component in elevator safety design. Its purpose is to prevent the elevator car from falling freely and protect the lives of passengers in the event of an elevator malfunction or accident, such as wire rope breakage or control system failure.

[0003] In order to ensure the safe operation of the elevator, the elevator will be equipped with an anti-fall system. The general anti-fall system includes a speed limiter, a safety clamp and a buffer. The speed limiter is a device for monitoring the running speed of the elevator. When it is in use, the top will be exposed, which will cause dust to fall on the speed limiter body. When dust and oil accumulate on the action mechanism of the speed limiter for a long time, it will cause the action mechanism to be inflexible, further affecting the normal use of the speed limiter. Utility Model Content

[0004] The main purpose of the utility model is to provide an elevator safety anti-falling device, which can effectively solve the problems raised in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An elevator safety anti-falling device comprises an installation box, wherein a speed limiter body is arranged inside the installation box, a mounting plate is fixedly installed on the top of the installation box, a cleaning mechanism is arranged on the top of the mounting plate, and a driving mechanism is arranged on the front side of the mounting plate.

[0007] Preferably, the driving mechanism includes a servo motor, a fixing plate is fixedly installed on the front side of the mounting plate, the servo motor is fixedly installed on one side of the fixing plate close to the mounting plate, a driving wheel is fixedly installed on the output end of the servo motor, threaded sleeves are slidably connected on both sides of the mounting plate, screws are provided on both sides of the mounting plate, one side of the screw passes through the threaded sleeve and is threadedly connected to the threaded sleeve, a driven wheel is fixedly installed on one side of the screw, the driving wheel is transmission-connected to the driven wheel, and fixed bearings are fixedly installed on both sides of the mounting plate, and the fixed bearing sleeves are arranged on the surface of the screw.

[0008] Preferably, both sides of the mounting plate are provided with sliding grooves, and a sliding block is fixedly mounted on one side of the threaded sleeve, and the sliding block is located inside the sliding groove.

[0009] Preferably, a transmission belt is provided on the surface of the driving wheel and the driven wheel, and the driving wheel and the driven wheel are connected by the transmission belt.

[0010] Preferably, the cleaning mechanism includes a top plate, which is fixedly mounted on the top of the mounting plate, and a blower is fixedly mounted on the top of the top plate. The output end of the blower is connected to a tee, and both sides of the tee are connected to bellows, and the other side of the bellows is connected to a hollow plate, and relatively close sides of the hollow plate are provided with evenly distributed nozzles, and the hollow plates are respectively located on both sides of the speed limiter body.

[0011] Preferably, one side of the threaded sleeve is fixedly connected to one side of the hollow plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] By arranging a driving mechanism to drive the cleaning mechanism to reciprocate on the inner side of the mounting plate, the cleaning mechanism can comprehensively clean the speed limiter body, thereby improving the cleaning effect of oil and dust on the surface of the speed limiter body, preventing oil and dust from accumulating on the speed limiter body, and avoiding affecting the normal operation of the speed limiter body. By arranging a cleaning mechanism to clean the speed limiter body, the principle of air pressure is used to spray air to clean the surface of the speed limiter body, thereby avoiding wear on the surface of the speed limiter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a three-dimensional schematic diagram of the driving mechanism structure in the utility model;

[0016] Figure 3 It is a three-dimensional schematic diagram of the cleaning mechanism structure in the utility model;

[0017] Figure 4 It is a three-dimensional schematic diagram of the local structure of the mounting plate in the utility model.

[0018] In the figure: 1. installation box; 2. driving mechanism; 201. servo motor; 202. fixing plate; 203. driving wheel; 204. transmission belt; 205. driven wheel; 206. screw; 207. fixed bearing; 208. threaded sleeve; 209. slider; 210. slideway; 3. cleaning mechanism; 301. top plate; 302. blower; 303. tee; 304. bellows; 305. hollow plate; 306. nozzle; 4. speed limiter body; 5. installation plate. DETAILED DESCRIPTION

[0019] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figure 1 As shown, an elevator safety anti-falling device includes an installation box 1, a speed limiter body 4 is arranged inside the installation box 1, a mounting plate 5 is fixedly installed on the top of the installation box 1, a cleaning mechanism 3 is arranged on the top of the mounting plate 5, and a driving mechanism 2 is arranged on the front of the mounting plate 5.

[0021] The effects achieved by the above components are as follows: by arranging the driving mechanism 2 to drive the cleaning mechanism 3 to reciprocate on the inner side of the mounting plate 5, the cleaning mechanism 3 comprehensively cleans the speed limiter body 4, thereby improving the cleaning effect of oil and dust on the surface of the speed limiter body 4, preventing oil and dust from accumulating on the speed limiter body 4, and avoiding affecting the normal operation of the speed limiter body 4; by arranging the cleaning mechanism 3 to clean the speed limiter body 4, the air is ejected to clean the surface of the speed limiter body 4 by utilizing the principle of air pressure, thereby avoiding wear on the surface of the speed limiter body 4.

[0022] like Figure 2 As shown, the driving mechanism 2 includes a servo motor 201, a fixing plate 202 is fixedly installed on the front side of the mounting plate 5, the servo motor 201 is fixedly installed on one side of the fixing plate 202 close to the mounting plate 5, a driving wheel 203 is fixedly installed on the output end of the servo motor 201, threaded sleeves 208 are slidably connected on both sides of the mounting plate 5, screws 206 are arranged on both sides of the mounting plate 5, one side of the screw 206 passes through the threaded sleeve 208 and is threadedly connected with the threaded sleeve 208, a driven wheel 205 is fixedly installed on one side of the screw 206, the driving wheel 203 is transmission-connected to the driven wheel 205, and fixed bearings 207 are fixedly installed on both sides of the mounting plate 5, and the fixed bearings 207 are sleeved on the surface of the screw 206.

[0023] The effects achieved by the above components are as follows: by setting the fixing plate 202 for installing and fixing the servo motor 201, the driving wheel 203 is driven to rotate under the action of the servo motor 201, and the driving wheel 203 drives the transmission belt 204 on its surface to rotate, and drives the driven wheel 205 to rotate under the action of the transmission belt 204, and the driven wheel 205 drives the screw 206 to rotate, and the screw 206 drives the threaded sleeve 208 to reciprocate on its surface, and the threaded sleeve 208 drives the slider 209 to move, and further the slider 209 drives the cleaning mechanism 3 to reciprocate on the inner side of the mounting plate 5, so that the cleaning mechanism 3 can reciprocate to clean the speed limiter body 4, thereby improving the cleaning effect of the speed limiter body 4 and preventing the speed limiter body 4 from being affected by oil and dust.

[0024] like Figure 4 As shown, both sides of the mounting plate 5 are provided with slide grooves 210 , and a slider 209 is fixedly mounted on one side of the threaded sleeve 208 , and the slider 209 is located inside the slide groove 210 .

[0025] The effect achieved by the above components is: by setting the slide groove 210 and the slider 209 to cooperate with each other to limit the hollow plate 305, the stability of the hollow plate 305 when moving inside the mounting plate 5 is improved, thereby improving the cleaning effect of the nozzle 306 on the surface of the speed limiter body 4.

[0026] like Figure 2 As shown, a transmission belt 204 is provided on the surface of the driving wheel 203 and the driven wheel 205 , and the driving wheel 203 and the driven wheel 205 are connected in transmission through the transmission belt 204 .

[0027] The effect achieved by the above components is: by providing the transmission belt 204 to transmit the power of the driving wheel 203 to the driven wheel 205, the driving wheel 203 drives the driven wheel 205 to rotate.

[0028] like Figure 3 As shown, the cleaning mechanism 3 includes a top plate 301, which is fixedly mounted on the top of the mounting plate 5, and a blower 302 is fixedly mounted on the top of the top plate 301. The output end of the blower 302 is connected to a tee 303, and both sides of the tee 303 are connected to a bellows 304, and the other side of the bellows 304 is connected to a hollow plate 305, and relatively close sides of the hollow plate 305 are provided with uniformly distributed nozzles 306, and the hollow plates 305 are respectively located on both sides of the speed limiter body 4.

[0029] The effects achieved by the above components are as follows: by arranging a blower 302 for blowing out air, and introducing the air into the interior of the hollow plate 305 through the tee 303 and the bellows 304, and then evenly spraying the air through the nozzle 306, the air is sprayed toward the surface of the speed limiter body 4, so as to clean the speed limiter body 4 and prevent oil and dust from accumulating on the action mechanism of the speed limiter body 4, resulting in reduced flexibility of the components and affecting the normal action of the speed limiter body 4.

[0030] like Figure 2 As shown, one side of the threaded sleeve 208 is fixedly connected to one side of the hollow plate 305 .

[0031] The working principle of this elevator safety anti-fall device:

[0032] The driving wheel 203 is driven to rotate under the action of the servo motor 201, and the driving wheel 203 drives the transmission belt 204 on its surface to rotate, and the driven wheel 205 is driven to rotate under the action of the transmission belt 204, and the driven wheel 205 drives the screw 206 to rotate, and the screw 206 drives the threaded sleeve 208 to move back and forth on its surface, and the threaded sleeve 208 drives the slider 209 to move, and the slider 209 drives the cleaning mechanism 3 to move back and forth on the inner side of the mounting plate 5, and the blower 302 blows out the air, and introduces the air into the hollow plate 305 through the tee 303 and the bellows 304, and then the air is uniformly sprayed through the nozzle 306, so that the air is sprayed to the surface of the speed limiter body 4, and the speed limiter body 4 is cleaned, so as to prevent oil and dust from accumulating on the action mechanism of the speed limiter body 4, resulting in reduced flexibility of the components and affecting the normal action of the speed limiter body 4.

[0033] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.

Claims

1. An elevator safety anti-fall device, comprising an installation box (1), characterized in that: A speed limiter body (4) is arranged inside the installation box (1), a mounting plate (5) is fixedly mounted on the top of the installation box (1), a cleaning mechanism (3) is arranged on the top of the installation plate (5), and a driving mechanism (2) is arranged on the front of the installation plate (5).

2. An elevator safety anti-falling device according to claim 1, characterized in that: The driving mechanism (2) comprises a servo motor (201), a fixing plate (202) is fixedly mounted on the front side of the mounting plate (5), the servo motor (201) is fixedly mounted on a side of the fixing plate (202) close to the mounting plate (5), a driving wheel (203) is fixedly mounted on the output end of the servo motor (201), both sides of the mounting plate (5) are slidably connected with threaded sleeves (208), both sides of the mounting plate (5) are provided with screws (206), one side of the screw (206) passes through the threaded sleeve (208) and is threadedly connected to the threaded sleeve (208), one side of the screw (206) is fixedly mounted with a driven wheel (205), the driving wheel (203) is transmission-connected to the driven wheel (205), and both sides of the mounting plate (5) are fixedly mounted with fixed bearings (207), the fixed bearings (207) are sleeved on the surface of the screw (206).

3. An elevator safety anti-falling device according to claim 2, characterized in that: Slide grooves (210) are provided on both sides of the mounting plate (5), and a slider (209) is fixedly mounted on one side of the threaded sleeve (208), wherein the slider (209) is located inside the slide groove (210).

4. An elevator safety anti-falling device according to claim 2, characterized in that: The surfaces of the driving wheel (203) and the driven wheel (205) are provided with transmission belts (204), and the driving wheel (203) and the driven wheel (205) are connected in transmission via the transmission belts (204).

5. The elevator safety anti-falling device according to claim 1, characterized in that: The cleaning mechanism (3) comprises a top plate (301), wherein the top plate (301) is fixedly mounted on the top of the mounting plate (5), a blower (302) is fixedly mounted on the top of the top plate (301), an output end of the blower (302) is connected to a tee (303), both sides of the tee (303) are connected to a bellows (304), the other side of the bellows (304) is connected to a hollow plate (305), relatively close sides of the hollow plate (305) are provided with uniformly distributed nozzles (306), and the hollow plates (305) are respectively located on both sides of the speed limiter body (4).

6. An elevator safety anti-falling device according to claim 2, characterized in that: One side of the threaded sleeve (208) is fixedly connected to one side of the hollow plate (305).

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