CN220334511U - Crane mechanical safety height limiting device - Google Patents

Abstract

The utility model discloses a crane safety height limiting device, which comprises a height limiting mounting frame, a rope and a lifting hook, wherein a height sensor is arranged on the inner side of the lower end of the height limiting mounting frame, a protection frame is arranged on the upper end of the height limiting mounting frame, a first gear is rotationally connected to one side in the protection frame, a second gear is rotationally connected to one side, far away from the first gear, in the protection frame, of the protection frame, the lower ends of the first gear and the second gear are fixedly connected with an adjusting pipe, the lower end of the adjusting pipe is in threaded connection with an adjusting rod, the lower end of the adjusting rod is fixedly connected with a mounting plate, one side of the mounting plate is rotationally connected with a mounting frame, and one side of the mounting frame is provided with a cleaning block, and the crane safety height limiting device has the beneficial effects that: through the cleaning brush and the cleaning block structure that are used for clearing up altitude sensor that set up on the spacing mounting bracket of altitude, can be when the needs clearance altitude sensor, timely with the dust clearance of altitude sensor surface fall to can shrink at any time, avoid hindering altitude sensor and use.

Description

Crane mechanical safety height limiting device

Technical Field

The utility model relates to the technical field of hoisting machinery, in particular to a crane mechanical safety height limiting device.

Background

The crane height limiting device is a device which is arranged on the crane and is used for protecting key parts of the crane and preventing overrun. It is usually composed of sensors, controllers, foot switches, etc.

Some of the sensors mounted on the crane are exposed, such as a height sensor and a distance sensor, etc., and need to directly sense the height or distance of an object or device.

At present, in the prior art, like CN218201855U, a crane mechanical safety height limiting device, make buffer plate compression buffer spring carry out further buffering to the collision through mounting panel, guide way, connection picture peg, stop groove isotructure, thereby avoid direct collision to lead to the device to appear damaging the phenomenon, the effectual life that has prolonged, but when the sensor in height limiting device uses, the dust in rope rolling and the external environment all can cause the damage to the sensor, pollute the contact and the surface of sensor, make the unable effectual judgement distance of sensor, and shorten the life of sensor, consequently, in order to solve the problem of proposing above-mentioned, designed a crane mechanical safety height limiting device, in order to solve the above-mentioned problem that proposes.

Disclosure of Invention

The utility model aims to provide a crane mechanical safety height limiting device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hoist safety height stop device, including high spacing mounting bracket, rope and lifting hook, high sensor is installed to high spacing mounting bracket lower extreme inboard, the fender bracket is installed to high spacing mounting bracket upper end, one side rotates in the fender bracket and connects No. one gear, keep away from No. one gear one side in the fender bracket and rotate and connect No. two gears, no. one gear and No. two equal fixed connection regulation pipes of gear lower extreme, regulation pipe lower extreme threaded connection regulation pole, regulation pole lower extreme fixed connection mounting panel, mounting panel one side rotates and connects the installing frame, the cleaning piece is installed to installing frame one side.

As a preferred technical scheme of the utility model: the upper end of the first gear is fixedly connected with a servo motor, and the servo motor is fixed at the upper end of the protection frame through a motor box.

As a preferred technical scheme of the utility model: the first gear is meshed with the second gear through a transmission belt, the front part and the rear part of the transmission belt are meshed with a limiting gear, and the limiting gear is rotatably arranged in the protection frame.

As a preferred technical scheme of the utility model: the mounting frame is close to homonymy mounting panel one side fixed connection No. three gears, and No. three gears are located the mounting panel and keep away from homonymy mounting frame one side, no. three gear rear portion meshing gear board, gear board upper end and high spacing mounting bracket fixed connection.

As a preferred technical scheme of the utility model: one side of the cleaning block is rotatably provided with a cleaning brush, and the cleaning block is in sliding connection with the mounting frame.

As a preferred technical scheme of the utility model: the cleaning block is far away from the cleaning brush side fixed connection spring, spring and installing frame fixed connection, and the cleaning block is close to the slide bar that homonymy spring one side still fixed connection was used for spacing cleaning block removal, slide bar and installing frame inner wall fixed connection.

Compared with the prior art, the utility model has the beneficial effects that: through the cleaning brush and the cleaning block structure that are used for clearing up altitude sensor that set up on the spacing mounting bracket of altitude, can be when the needs clearance altitude sensor, timely with the dust clearance of altitude sensor surface fall to can shrink at any time, avoid hindering altitude sensor and use.

Drawings

FIG. 1 is a schematic partial cross-sectional view of a body structure of the present utility model;

FIG. 2 is a schematic illustration of the belt and gear connection of the present utility model;

FIG. 3 is a schematic view of the structure of the cleaning block of the present utility model.

In the figure: 1. height limiting mounting frame; 2. a rope; 3. a lifting hook; 4. a height sensor; 5. a servo motor; 6. a first gear; 7. a transmission belt; 8. a second gear; 9. an adjusting tube; 10. an adjusting rod; 11. a mounting plate; 12. a gear plate; 13. a third gear; 14. a mounting frame; 15. a cleaning block; 151. a spring; 152. a slide bar; 153. a cleaning brush; 16. and a limiting gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the embodiment provides a crane mechanical safety height limiting device, which comprises a height limiting mounting frame 1, a rope 2 and a lifting hook 3, wherein a height sensor 4 is installed on the inner side of the lower end of the height limiting mounting frame 1, and the height sensor 4 is used for monitoring the lifting height.

In the use, rope 2 drives lifting hook 3 and lifts up the article and rise, the rolling of rope 2 can make the dust of adhesion drift to adsorb on the surface of altitude sensor 4, the surface dust of altitude sensor 4 increases and can influence the use after many times accumulation, manual work can't be cleared up temporarily when using, consequently, install the fender bracket in the high spacing mounting bracket 1 upper end, one side rotates in the fender bracket and connects gear 6, keep away from gear 6 one side in the fender bracket and rotate and connect gear 8 No. two, gear 6 and No. two gear 8 lower extreme all fixed connection regulation pipe 9, regulation pipe 9 lower extreme threaded connection adjusts pole 10, regulation pole 10 lower extreme connection mounting panel 11, mounting panel 11 one side rotates and connects mounting frame 14, cleaning block 15 is installed to mounting frame 14 one side.

The adjusting tube 9 at the lower end is driven to rotate by the first gear 6 and the second gear 8, so that the adjusting tube 9 drives the lower end adjusting rod 10 to descend, drives the mounting frame 14 at one side to descend, and enables the cleaning block 15 to descend to clean the surface of the height sensor 4, and dust on the height sensor 4 is conveniently cleaned.

Specifically, and in order to make things convenient for the rotation of gear No. 6, at gear No. 6 upper end fixed connection servo motor 5, servo motor 5 passes through the motor case to be fixed in the fender bracket upper end, and gear No. 6 that uses simultaneously is through drive belt 7 and No. 8 meshing, and in drive belt 7 front and back portion meshing limiting gear 16 moreover, limiting gear 16 rotates and installs in the fender bracket, makes drive belt 7 when using, avoids touching middle part rope 2, avoids influencing the use.

Specifically, the mounting frame 14 is close to the same side mounting plate 11 one side fixed connection No. three gears 13, and No. three gears 13 are located mounting plate 11 and keep away from same side mounting frame 14 one side, no. three gears 13 rear portion meshing gear board 12, gear board 12 upper end and high spacing mounting bracket 1 fixed connection.

When the mounting frame 14 descends, the mounting plate 11 also drives the third gear 13 on one side to move due to the descending of the mounting plate 11, and when the third gear 13 moves, the third gear 13 is meshed with the gear plate 12, so that the third gear 13 rotates and drives the mounting frame 14 connected with one side to rotate, so that the mounting frame 14 drives the cleaning brush 153 on one side to rotate and clean, and dust on the height sensor 4 is favorably cleaned.

Specifically, during actual cleaning of the cleaning brush 153, the actual shape of the height sensor 4 is not a regular shape, so that in order to avoid the situation that cleaning cannot be performed or cannot be performed, the cleaning brush 153 is rotatably installed on one side of the cleaning block 15, the cleaning block 15 is slidably connected with the mounting frame 14, the cleaning block 15 is fixedly connected with the spring 151 on one side, away from the cleaning brush 153, of the cleaning block 15, the spring 151 is fixedly connected with the mounting frame 14, the cleaning block 15 is fixedly connected with the sliding rod 152 for limiting the movement of the cleaning block 15, and the sliding rod 152 is fixedly connected with the inner wall of the mounting frame 14.

The cleaning brush 153 is moved by the cleaning block 15 on the side pushed by the height sensor 4, so that the cleaning block 15 compresses the spring 151, and the cleaning brush 153 can contact with the surface of the height sensor 4 and clean.

When the utility model is used, when the lifting hook 3 is driven by the rope 2 of the lifting machine to lift the upper body of an object, dust on the rope 2 and in the outside air can fly and be adsorbed on the surface of the height sensor 4, in order not to influence the use of the height sensor 4, the surface of the height sensor 4 needs to be cleaned, the servo motor 5 can be started during the use, the servo motor 5 drives the first gear 6 to rotate, the first gear 6 drives the second gear 8 to rotate through the transmission of the transmission belt 7, the first gear 6 and the second gear 8 simultaneously drive the regulating tube 9 at the lower end to rotate, the regulating tube 9 drives the regulating rod 10 to descend, and drives the mounting plate 11 to descend, the mounting plate 11 drives the mounting frame 14 at one side to descend, so that the cleaning block 15 at one side of the mounting frame 14 is driven to move, and the cleaning brush 153 is driven to clean the height sensor 4, and simultaneously, the mounting plate 11 also drives the third gear 13 at one side to move, and when the third gear 13 moves, the third gear 13 is meshed with the third gear 12, and the cleaning block 14 is driven to rotate, so that the dust is easy to clean one side of the cleaning frame 14 is driven to rotate, and the cleaning frame 153 is driven to rotate.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a hoist mechanical safety height stop device, includes height limit mounting bracket (1), rope (2) and lifting hook (3), its characterized in that, height sensor (4) are installed to height limit mounting bracket (1) lower extreme inboard, the fender bracket is installed to height limit mounting bracket (1) upper end, one side rotates in the fender bracket and connects No. one gear (6), keep away from No. one gear (6) one side in the fender bracket and rotate and connect No. two gears (8), no. one gear (6) and No. two gears (8) lower extreme equal fixed connection governing pipe (9), governing pipe (9) lower extreme threaded connection adjusts pole (10), adjust pole (10) lower extreme fixed connection mounting panel (11), mounting panel (11) one side rotates and connects mounting frame (14), cleaning block (15) are installed to mounting frame (14) one side, one side fixed connection No. three gears (13) are close to same side mounting panel (11), and No. three gears (13) are located (11) and keep away from same side mounting frame (14), no. three gears (12) meshing plate (12)

The upper end is fixedly connected with the height limiting installation frame (1).

2. The crane mechanical safety height limiting device according to claim 1, wherein the upper end of the first gear (6) is fixedly connected with a servo motor (5), and the servo motor (5) is fixed at the upper end of the protection frame through a motor box.

3. The crane mechanical safety height limiting device according to claim 1, wherein the first gear (6) is meshed with the second gear (8) through a transmission belt (7), the front part and the rear part of the transmission belt (7) are meshed with limiting gears (16), and the limiting gears (16) are rotatably installed in a protection frame.

4. The crane mechanical safety height limiting device according to claim 1, wherein a cleaning brush (153) is rotatably arranged on one side of the cleaning block (15), and the cleaning block (15) is slidably connected with the mounting frame (14).

5. A crane safety height limiting device according to claim 3, wherein the cleaning block (15) is fixedly connected with a spring (151) at one side far away from the cleaning brush (153), the spring (151) is fixedly connected with the mounting frame (14), one side of the cleaning block (15) close to the spring (151) at the same side is fixedly connected with a sliding rod (152) for limiting the movement of the cleaning block (15), and the sliding rod (152) is fixedly connected with the inner wall of the mounting frame (14).