Anti-collision early warning device for tower crane

Abstract

The utility model discloses an anti-collision early warning device for a tower crane, and mainly relates to a crane early warning device. Comprising a mounting plate, the upper end of the mounting plate is fixedly connected with the lower surface of the hoisting frame, the upper surface of the mounting plate is fixedly connected with a rack, and the lower surface of the mounting plate is fixedly connected with the lower surface of the hoisting frame. The ends, away from the mounting plate, of the racks are fixedly connected with connecting plates. The beneficial effects of the utility model are that: solve the problem that the crane is easy to collide with the wall body because the crane is large in size and high in height and the sight is easy to be blocked by the crane when the operator operates the crane, at the moment, the direction sensor is used for auxiliary early warning, so that the safety of the operator is ensured. Due to the fact that the position of a common orientation sensor is fixed, the problem that the position of the orientation sensor is inconvenient to adjust and control is prone to occurring.

Description

Technical Field

[0001] The utility model relates to the technical field of traction brackets, in particular to an anti-collision warning device for a tower crane. Background Art

[0002] The anti-collision warning device of the tower crane is an important safety device designed to avoid collisions or dangerous situations during work. Crane collision warning is very important because it can prevent accidents and ensure the safety of people and equipment. It is more common in tower cranes.

[0003] Prior art includes a utility model with announcement number CN220998995U, which discloses an anti-collision warning device for a tower crane. The patent discloses a crane side panel, a moving component is provided on one side of the crane side panel, and a detection component is provided on one side of the moving component. The moving component is provided, and when in use, it is driven by a control system, and the sliding roller moves inside the sliding groove and stops at a suitable position, so as to realize position change and increase applicability. A detection component is provided, and when the crane side panel collides, the telescopic rod protrudes from one side of the crane side panel, and the telescopic rod will first be deformed, and then the signal will be transmitted to the rangefinder. After the rangefinder detects the change, it will transmit the signal to the alarm and the warning light, so as to issue a prompt to warn the operator.

[0004] It is found in the use of construction tower cranes that the crane itself is large in size and is located at a relatively high altitude. When the operator is operating, the crane's line of sight is easily blocked, which can easily cause the crane to collide with the wall. At this time, the orientation sensor will be used for auxiliary warning. Since the position of the orientation sensor is usually relatively fixed, it is easy to be inconvenient to adjust the position of the orientation sensor.

[0005] The present application provides a technical solution to the technical problem, aiming to provide technical personnel in the field with a variety of options for solving the problem. Utility Model Content

[0006] The purpose of the utility model is to solve the problem in the prior art that the crane itself is large in size and is located at a relatively high height. When the operator is operating, the view is easily blocked by the crane, which may easily cause the crane to collide with the wall. At this time, an auxiliary warning will be provided with the help of an orientation sensor. Since the position of the conventional orientation sensor is relatively fixed, it is easy to have the disadvantage of being inconvenient to adjust the position of the orientation sensor.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an anti-collision warning device for a tower crane comprises a crane body, a lifting frame is installed on one side of the crane body, an azimuth sensor is installed on the lower surface of the lifting frame, an adjustment device is provided on the position of the lower surface of the lifting frame corresponding to the azimuth sensor, the adjustment device comprises a mounting plate, the upper end of the mounting plate is fixedly connected to the lower surface of the lifting frame, a rack is fixedly connected to the upper surface of the mounting plate, an end of the rack away from the mounting plate is fixedly connected to a connecting plate, the upper end of the connecting plate is fixedly connected to the lifting frame, two sliding rods are fixedly connected to the side where the mounting plate and the connecting plate are close to each other, the two sliding rods are respectively located on both sides of the rack, the arc surfaces of the two sliding rods are slidably connected to the same moving plate, the surface of the moving plate is fixedly connected to a servo motor, the output end of the servo motor is fixedly connected to a gear, the two ends of the gear are rotatably connected to auxiliary frames, the bottom end of the auxiliary frame is fixedly connected to the moving plate, and the tooth surface of the gear is meshed with the tooth surface of the rack.

[0008] The effect achieved by the above-mentioned components is: during the operation and use of the crane body, in order to prevent the lifting frame on one side of the crane body from being damaged by collision, the position sensor at the bottom of the lifting frame is used for protection and warning. At this time, a moving plate sliding between the mounting plate and the connecting plate is used, so that the position sensor installed on the surface of the moving plate can be driven by the servo motor to slide between the gear and the rack, thereby adjusting the position of the entire position sensor, protecting the moving position of the lifting frame, and effectively and conveniently performing anti-collision warning protection for the entire lifting frame.

[0009] Preferably, a protective block is fixedly connected to the surface of the mounting plate, and the protective block is a silicone block.

[0010] The effect achieved by the above components is: with the help of the protective block made of silicone material, the horizontally moving orientation sensor can be protected to avoid damage caused by bumps.

[0011] Preferably, a limiting frame is fixedly connected to the surface of the connection plate, the limiting frame has a "U"-shaped cross section, the limiting frame is an elastic frame, and the cross sections of both ends of the limiting frame are arc-shaped.

[0012] The effect achieved by the above components is: using elastic material and a limit frame with arc-shaped cross-sections at both ends, the orientation sensor can be effectively moved to the position of the connecting plate for extrusion protection, which is convenient for temporary limit fixation.

[0013] Preferably, a plurality of protrusions are fixedly connected to the inner walls on both sides of the limiting frame, and the cross-sections of the plurality of protrusions are arc-shaped.

[0014] The effect achieved by the above components is that the convex block with an arc-shaped cross section can be used to facilitate the effective abutment and limiting of the orientation sensor.

[0015] Preferably, an auxiliary device is provided at a position corresponding to the orientation sensor on the lower surface of the movable plate, the auxiliary device comprises two positioning posts and a fixed frame, one end of the two positioning posts is fixedly connected to the surface of the movable plate, the inner wall of the fixed frame is snap-fitted with the orientation sensor, a positioning hole is provided on the upper surface of the fixed frame at a position corresponding to the positioning post, the inner wall of the positioning hole is plugged into the arc surface of the positioning post, the arc surface of the positioning post is rotatably connected with a rotating shaft, the lower surfaces of both ends of the fixed frame are fixedly connected with the positioning frames, the surfaces of both end surfaces of the fixed frame are threadedly connected with extrusion rods, the end of the extrusion rod close to the orientation sensor is rotatably connected with an extrusion block, and the surface of the extrusion block is in contact with the surface of the orientation sensor.

[0016] The effect achieved by the above components is: when the orientation sensor is operated for a long time, in order to facilitate the replacement and limit of the orientation sensor, the movable plate is connected with the fixed frame on the surface of the orientation sensor, and the positioning hole opened on the upper end of the fixed frame is plugged with the positioning column on the lower surface of the movable plate, and then the limit is squeezed with the help of the rotating shaft, so as to effectively and conveniently carry out effective protection and replacement of the entire orientation sensor.

[0017] Preferably, the arc surface of the positioning column is sleeved with a protective ring, and the lower surface of the protective ring abuts against one side of the rotating shaft.

[0018] The effect achieved by the above components is that when the rotating shaft and the positioning column are fixed and limited, the protective ring can be used to prevent the rotating shaft from loosening and falling off.

[0019] Preferably, one side of the extrusion block is fixedly connected to a limiting rod, and the arc surface of the limiting rod slides through the side wall of the positioning frame.

[0020] The effect achieved by the above components is that when the position of the extrusion block is moved, the limiting rod can be used to assist in avoiding the displacement of the position of the extrusion block.

[0021] In summary, the beneficial effects of the utility model are:

[0022] In the utility model, in the process of operating and using the crane body, in order to avoid the crane frame on one side of the crane body from being collided and damaged, the azimuth sensor at the bottom of the crane frame is used for protection and warning, and the camera or other visual equipment in the azimuth sensor is used to capture the image or video of the object, and the position, direction or movement trajectory of the object is determined through image processing and computer vision technology, so as to avoid collision with the crane frame. At this time, a moving plate sliding between the mounting plate and the connecting plate is used, so that the azimuth sensor installed on the surface of the moving plate can be driven by the servo motor to slide between the gear and the rack, so that the entire moving plate drives the azimuth sensor to slide along the slide rod, and at the same time, a limit frame with elastic material and arc-shaped cross-sections at both ends can be used to effectively move the azimuth sensor to the connecting plate position for extrusion protection, which is convenient for temporary limit fixation. By operating the adjusting device, the position of the entire azimuth sensor can be regulated, the moving azimuth of the crane frame can be protected, and the anti-collision warning protection of the entire crane frame can be effectively carried out.

[0023] In the utility model, when the orientation sensor is operated for a long time, in order to facilitate the replacement and limit of the orientation sensor, the movable plate is connected with the fixed frame on the surface of the orientation sensor, and the positioning holes opened on the upper end of the fixed frame are plugged with the positioning columns on the lower surface of the movable plate. Then, the rotation shaft is squeezed and limited. When the rotation shaft and the positioning column are fixed and limited, the protective ring can be used to prevent the rotation shaft from loosening and falling off. When the position of the extrusion block is moved, the limit rod can be used for assistance to avoid the displacement of the position of the extrusion block. By operating the auxiliary device, the entire orientation sensor can be effectively protected and replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Attached Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0025] Attached Figure 2 It is a structural schematic diagram of the regulating device of the utility model;

[0026] Attached Figure 3 It is a partial structural schematic diagram of the regulating device of the utility model;

[0027] Attached Figure 4 It is a schematic diagram of the disassembled structure of the regulating device of the utility model;

[0028] Attached Figure 5 It is a structural schematic diagram of the auxiliary device of the utility model.

[0029] The numbers shown in the accompanying drawings are: 1. Crane body; 2. Lifting frame; 3. Azimuth sensor; 4. Adjusting device; 401. Mounting plate; 402. Rack; 403. Slide bar; 404. Moving plate; 405. Servo motor; 406. Gear; 407. Protective block; 408. Connecting plate; 409. Limiting frame; 410. Bump; 411. Auxiliary frame; 5. Auxiliary device; 51. Positioning column; 52. Protective ring; 53. Rotating shaft; 54. Fixed frame; 55. Positioning hole; 56. Positioning frame; 57. Extrusion rod; 58. Extrusion block; 59. Limiting rod. DETAILED DESCRIPTION

[0030] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

[0031] Reference Figures 1 to 5 As shown, the utility model provides a technical solution: an anti-collision warning device for a tower crane, comprising a crane body 1, a lifting frame 2 is installed on one side of the crane body 1, an orientation sensor is installed on the lower surface of the lifting frame 2, an adjusting device 4 is provided at the position of the lower surface of the lifting frame 2 corresponding to the orientation sensor, and an auxiliary device 5 is provided at the position of the lower surface of the moving plate 404 corresponding to the orientation sensor 3.

[0032] The specific settings and functions of the adjusting device 4 and the auxiliary device 5 are described in detail below.

[0033] Reference Figure 2 , Figure 3 and Figure 4As shown, in this embodiment: the adjusting device 4 includes a mounting plate 401, the upper end of the mounting plate 401 is fixedly connected to the lower surface of the lifting frame 2, the upper surface of the mounting plate 401 is fixedly connected with a rack 402, the end of the rack 402 away from the mounting plate 401 is fixedly connected with a connecting plate 408, the upper end of the connecting plate 408 is fixedly connected to the lifting frame 2, and two sliding rods 403 are fixedly connected to the side of the mounting plate 401 and the connecting plate 408 close to each other, and the two sliding rods 403 are respectively located on both sides of the rack 402, and the arc surfaces of the two sliding rods 403 are slidably connected with the same moving plate 404, and the surface of the moving plate 404 is fixedly connected with a servo motor 405. The output end of the motor 405 is fixedly connected to a gear 406, and both ends of the gear 406 are rotatably connected to auxiliary frames 411. The bottom end of the auxiliary frame 411 is fixedly connected to the movable plate 404, and the tooth surface of the gear 406 meshes with the tooth surface of the rack 402. The surface of the mounting plate 401 is fixedly connected to a protective block 407, and the protective block 407 is a silicone block. The surface of the connecting plate 408 is fixedly connected to a limit frame 409, and the cross-section of the limit frame 409 is "U"-shaped. The limit frame 409 is an elastic frame, and the cross-sections of both ends of the limit frame 409 are arc-shaped. The inner walls on both sides of the limit frame 409 are fixedly connected to a number of protrusions 410, and the cross-sections of the several protrusions 410 are arc-shaped.

[0034] Reference Figure 5 As shown, in this embodiment: the auxiliary device 5 includes two positioning columns 51 and a fixed frame 54, one end of the two positioning columns 51 is fixedly connected to the surface of the movable plate 404, the inner wall of the fixed frame 54 is snap-fitted with the orientation sensor 3, a positioning hole 55 is opened on the upper surface of the fixed frame 54 at the position corresponding to the positioning column 51, the inner wall of the positioning hole 55 is plugged into the arc surface of the positioning column 51, the arc surface of the positioning column 51 is rotatably connected with a rotating shaft 53, the lower surfaces of both ends of the fixed frame 54 are fixedly connected with positioning frames 56, the surfaces of both ends of the fixed frame 54 are threadedly connected with extrusion rods 57, one end of the extrusion rod 57 close to the orientation sensor is rotatably connected with an extrusion block 58, the surface of the extrusion block 58 is in contact with the surface of the orientation sensor, the arc surface of the positioning column 51 is sleeved with a protective ring 52, the lower surface of the protective ring 52 is in contact with one side of the rotating shaft 53, one side of the extrusion block 58 is fixedly connected with a limiting rod 59, and the arc surface of the limiting rod 59 slides through the side wall of the positioning frame 56.

[0035] Detailed explanation of usage: During the operation of the crane body 1, in order to prevent the lifting frame 2 on one side of the crane body 1 from being damaged by collision, a protective warning is performed with the help of an orientation sensor at the bottom of the lifting frame 2. At this time, with the help of a moving plate 404 sliding between the mounting plate 401 and the connecting plate 408, the orientation sensor installed on the surface of the moving plate 404 can drive the gear 406 and the rack 402 to slide with the help of a servo motor 405. At this time, first start the servo motor 405 on the upper surface of the moving plate 404, and let the servo motor 405 drive the gear 406 and the rack 402 to rotate, so that the entire moving plate 404 drives the orientation sensor to slide along the slide bar 403. At the same time, with the help of a limit frame 409 with elastic material and arc-shaped cross-sections at both ends, the orientation sensor moved to the connecting plate 408 is squeezed and protected, and effective limit fixation is performed, so as to facilitate the anti-collision warning protection of the entire lifting frame 2.

[0036] When the orientation sensor is operated for a long time, in order to facilitate the replacement and limit of the orientation sensor, the movable plate 404 is connected to the fixed frame 54 on the surface of the orientation sensor, and the positioning hole 55 opened on the upper end of the fixed frame 54 is plugged into the positioning column 51 on the lower surface of the movable plate 404, and then the rotation shaft 53 is used to squeeze and limit. In this process, the combination between the protective ring 52 and the rotating shaft 53 can prevent the rotating shaft 53 from loosening and falling off. When the position of the extrusion block 58 is moved, the limit rod 59 can be used to assist to avoid the displacement of the position of the extrusion block 58, thereby effectively protecting the replacement of the entire orientation sensor.

Claims

1. A tower crane anti-collision warning device, comprising a crane body (1), characterized in that: A lifting frame (2) is installed on one side of the crane body (1), an orientation sensor is installed on the lower surface of the lifting frame (2), and an adjustment device (4) is provided at a position on the lower surface of the lifting frame (2) corresponding to the orientation sensor, and the adjustment device (4) comprises a mounting plate (401), the upper end of the mounting plate (401) is fixedly connected to the lower surface of the lifting frame (2), the upper surface of the mounting plate (401) is fixedly connected to a rack (402), the end of the rack (402) away from the mounting plate (401) is fixedly connected to a connecting plate (408), the upper end of the connecting plate (408) is fixedly connected to the lifting frame (2), and the mounting plate (401) is fixedly connected to the lower surface of the lifting frame (2). Two sliding bars (403) are fixedly connected to one side of the connecting plate (408) close to each other. The two sliding bars (403) are respectively located on both sides of the rack (402). The arc surfaces of the two sliding bars (403) are slidably connected to the same moving plate (404). The surface of the moving plate (404) is fixedly connected to a servo motor (405). The output end of the servo motor (405) is fixedly connected to a gear (406). The two ends of the gear (406) are rotatably connected to an auxiliary frame (411). The bottom end of the auxiliary frame (411) is fixedly connected to the moving plate (404). The tooth surface of the gear (406) is meshed with the tooth surface of the rack (402).

2. The anti-collision warning device for tower crane according to claim 1 is characterized in that: A protective block (407) is fixedly connected to the surface of the mounting plate (401), and the protective block (407) is a silica gel block.

3. The anti-collision warning device for tower crane according to claim 1 is characterized in that: The surface of the connection plate (408) is fixedly connected to a limit frame (409), the cross section of the limit frame (409) is in a "U" shape, the limit frame (409) is an elastic frame, and the cross sections of both ends of the limit frame (409) are in arc shapes.

4. The anti-collision warning device for tower crane according to claim 3 is characterized in that: A plurality of protrusions (410) are fixedly connected to the inner walls on both sides of the limiting frame (409), and the cross-sections of the plurality of protrusions (410) are in the shape of circular arcs.

5. The anti-collision warning device for tower crane according to claim 1, characterized in that: An auxiliary device (5) is provided at a position corresponding to the position sensor (3) on the lower surface of the movable plate (404), and the auxiliary device (5) comprises two positioning columns (51) and a fixed frame (54). One end of the two positioning columns (51) is fixedly connected to the surface of the movable plate (404), and the inner wall of the fixed frame (54) is snap-fitted with the position sensor (3). A positioning hole (55) is provided on the upper surface of the fixed frame (54) at a position corresponding to the positioning column (51). The inner wall of the (55) is plugged into the arc surface of the positioning column (51), the arc surface of the positioning column (51) is rotatably connected to the rotating shaft (53), the lower surfaces of both ends of the fixed frame (54) are fixedly connected to the positioning frame (56), the surfaces of both ends of the fixed frame (54) are threadedly connected to the extrusion rod (57), the end of the extrusion rod (57) close to the orientation sensor is rotatably connected to the extrusion block (58), and the surface of the extrusion block (58) is in contact with the surface of the orientation sensor.

6. The anti-collision warning device for tower crane according to claim 5, characterized in that: The arc surface of the positioning column (51) is sleeved with a protective ring (52), and the lower surface of the protective ring (52) is in contact with one side of the rotating shaft (53).

7. The anti-collision warning device for tower crane according to claim 5, characterized in that: One side of the extrusion block (58) is fixedly connected to a limiting rod (59), and the arc surface of the limiting rod (59) slides through the side wall of the positioning frame (56).

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