Crane suspension arm bearing force detection device

Abstract

The utility model relates to the technical field of cranes, and discloses a crane jib bearing capacity detection device which comprises a lifting support column, an adjusting and fixing part, a suspension arm, a mounting frame, a weight detector and a lifting hook, the adjusting and fixing part is fixedly connected to the top of the lifting support column, the suspension arm is mounted in the adjusting and fixing part, and the weight detector is mounted on the mounting frame. And the mounting frame is fixedly connected to the bottom of the other adjusting and fixing part. According to the crane jib bearing force detection device, the number of the moving wheels is four, the moving wheels are installed at the bottom of the lower pressing plate, the adjusting and fixing part can move outside the suspension jib, bearing detection is carried out on different positions by adjusting the position of the adjusting and fixing part, use is convenient, a secondary reinforcing assembly is driven by an air cylinder to move downwards, and the detection precision is high. And by matching with the action of the bottom plate, the suspension arm is clamped and used for detection, the adjustable design is adopted, the suspension arms of different sizes can be used, and the application range is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a crane boom bearing force detection device. Background Art

[0002] The boom of a crane is an important component of the crane and is also the part used for lifting operations. The boom is usually loaded with wire ropes or chains to lift and suspend heavy objects. The length and weight of the boom can affect the lifting capacity and working range of the crane.

[0003] According to publication number CN216997261U, a crane boom bearing force detection device is disclosed; the crane boom bearing force detection device comprises: a box body, and a fixing block is symmetrically fixedly connected to the surface of the box body; the crane boom bearing force detection device provided by the utility model matches the funnel with the water inlet and matches the clamping block with the clamping slot. At this time, the force generated by the compression of the spring piece acts on the surface of the clamping block, so that the clamping block and the clamping slot are stably installed, and then the funnel and the water inlet are stably installed. The funnel is fixed to facilitate the installation of the funnel. When the crane boom bearing force is detected, water is added to the inside of the box body through the funnel to detect the crane boom bearing force, so that the crane boom bearing force detection device is easy to operate, which greatly reduces people's working time and improves people's work efficiency.

[0004] However, the above device still has shortcomings. The water tank is suspended by a hook to detect the bearing capacity, but the entire boom is long and each position of the boom needs to be weighed and tested. The single hook method increases the difficulty of detection. Utility Model Content

[0005] The utility model aims to provide a crane boom bearing force detection device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crane boom bearing force detection device, comprising a lifting support column, an adjusting and fixing component, a suspension arm, a mounting frame, a weight detector and a hook, the adjusting and fixing component is fixedly connected to the top of the lifting support column, the suspension arm is installed inside the adjusting and fixing component, the mounting frame is fixedly connected to the bottom of another adjusting and fixing component, the weight detector is fixedly connected to one side of the mounting frame, and the hook is fixedly connected to the bottom of the mounting frame.

[0007] Preferably, the adjusting and fixing components include a base plate, a support plate, a top plate, a cylinder, a lifting rod and a secondary reinforcement assembly. The support plate is fixedly connected to the top of the base plate, the top plate is fixedly connected to the top of the support plate, the cylinder is fixedly connected to the top of the top plate, the lifting rod is pneumatically lifted and connected to the bottom of the cylinder, and the secondary reinforcement assembly is installed at the bottom of the lifting rod. The secondary reinforcement assembly is driven downward by the cylinder and cooperates with the bottom plate to clamp the suspension arm for testing. The adjustable design can be used for suspension arms of different sizes and has a wide range of uses.

[0008] Preferably, the secondary reinforcement assembly includes a lower pressure plate, a driving motor, a rotating rod, a moving block, a side clamping plate and moving wheels, the lower pressure plate is fixedly connected to the bottom of the lifting rod, the driving motor is fixedly connected to one end of the lower pressure plate, the rotating rod is rotatably connected to the inside of the lower pressure plate, the moving block is threadedly connected to the outside of the rotating rod, the side clamping plate is fixedly connected to the bottom of the moving block, and the moving wheels are installed on both sides of the side clamping plate. The moving block is driven to move by the driving motor, so that the side clamping plate can provide side support to the suspension arm to increase the firmness of the support.

[0009] Preferably, the moving wheel comprises a wheel body, a mounting block and a hydraulic spring rod, the wheel body is rotatably connected to one end of the mounting block, and the hydraulic spring rod is fixedly connected to the top of the mounting block.

[0010] Preferably, there are two adjusting and fixing components, one adjusting and fixing component is fixedly connected to the top of the lifting support column, and the other adjusting and fixing component is installed at the other end of the suspension arm. The load-bearing test is carried out by installing a hook at the bottom. By adjusting the position of the adjusting and fixing component, the load-bearing test is carried out at different positions, which is easy to use.

[0011] Preferably, the number of the movable wheels is four, which are installed at the bottom of the lower pressure plate, so that the adjustment and fixing components can be moved outside the suspension arm to facilitate load-bearing detection.

[0012] Preferably, the width of the side clamping plate is consistent with the width of the lower pressing plate to ensure that the suspension arm is firmly clamped.

[0013] Preferably, a reinforcement block is provided at the bottom of the lifting support column, and the reinforcement block is used to increase the support stability of the lifting support column to ensure the safety of the load-bearing test.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The crane boom bearing capacity detection device drives the secondary reinforcement component downward through the cylinder, and cooperates with the bottom plate to clamp the suspension arm for detection. The adjustable design can be used for suspension arms of different sizes and has a wide range of uses.

[0016] 2. The crane boom bearing capacity detection device has four moving wheels installed at the bottom of the lower pressure plate, which can allow the adjustment and fixing components to move outside the suspension arm. By adjusting the position of the adjustment and fixing components, load-bearing tests can be performed at different positions, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the adjusting and fixing components of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the secondary reinforcement component of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the movable wheel of the utility model.

[0021] In the figure: 1. lifting support column; 2. adjusting and fixing parts; 3. suspension arm; 4. mounting frame; 5. weight detector; 6. hook; 201. bottom plate; 202. support plate; 203. top plate; 204. cylinder; 205. lifting rod; 206. secondary reinforcement assembly; 210. lower pressure plate; 211. driving motor; 212. rotating rod; 213. moving block; 214. side clamping plate; 215. moving wheel; 220. wheel body; 221. mounting block; 222. hydraulic spring rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in 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 in 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.

[0023] See also Figure 1-4 The utility model provides a technical solution: a crane boom bearing force detection device, including a lifting support column 1, an adjusting and fixing component 2, a suspension arm 3, a mounting frame 4, a weight detector 5 and a hook 6. The adjusting and fixing component 2 is fixedly connected to the top of the lifting support column 1, the suspension arm 3 is installed inside the adjusting and fixing component 2, the mounting frame 4 is fixedly connected to the bottom of another adjusting and fixing component 2, the weight detector 5 is fixedly connected to one side of the mounting frame 4, and the hook 6 is fixedly connected to the bottom of the mounting frame 4. A reinforcement block is provided at the bottom of the lifting support column 1. The reinforcement block increases the support stability of the lifting support column 1 to ensure the safety of the load-bearing detection.

[0024] The adjusting and fixing component 2 includes a base plate 201, a support plate 202, a top plate 203, a cylinder 204, a lifting rod 205 and a secondary reinforcement assembly 206. The support plate 202 is fixedly connected to the top of the base plate 201, the top plate 203 is fixedly connected to the top of the support plate 202, the cylinder 204 is fixedly connected to the top of the top plate 203, the lifting rod 205 is pneumatically lifted and connected to the bottom of the cylinder 204, and the secondary reinforcement assembly 206 is installed at the bottom of the lifting rod 205. The secondary reinforcement assembly 206 is driven downward by the cylinder 204, and the suspension arm 3 is clamped in cooperation with the base plate 201 for detection. The adjustable design can be used for suspension arms 3 of different sizes, and has a wide range of uses.

[0025] The secondary reinforcement assembly 206 includes a lower pressure plate 210, a driving motor 211, a rotating rod 212, a moving block 213, a side clamping plate 214 and a moving wheel 215. The lower pressure plate 210 is fixedly connected to the bottom of the lifting rod 205, the driving motor 211 is fixedly connected to one end of the lower pressure plate 210, the rotating rod 212 is rotatably connected to the inside of the lower pressure plate 210, the moving block 213 is threadedly connected to the outside of the rotating rod 212, the side clamping plate 214 is fixedly connected to the bottom of the moving block 213, and the moving wheels 215 are installed on both sides of the side clamping plate 214. The moving block 213 is moved by the driving motor 211, so that the side clamping plate 214 supports the suspension arm 3 laterally to increase the firmness of the support. The width of the side clamping plate 214 is consistent with the width of the lower pressure plate 210 to ensure that the suspension arm 3 is firmly clamped.

[0026] The moving wheel 215 includes a wheel body 220, a mounting block 221 and a hydraulic spring rod 222. The wheel body 220 is rotatably connected to one end of the mounting block 221, and the hydraulic spring rod 222 is fixedly connected to the top of the mounting block 221. There are four moving wheels 215 installed at the bottom of the lower pressure plate 210, so that the adjustable fixing component 2 can be moved outside the suspension arm 3 to facilitate load-bearing detection.

[0027] There are two adjusting and fixing components 2, one adjusting and fixing component 2 is fixedly connected to the top of the lifting support column 1, and the other adjusting and fixing component 2 is installed at the other end of the suspension arm 3. The load-bearing test is carried out through a hook 6 installed at the bottom. By adjusting the position of the adjusting and fixing component 2, the load-bearing test is carried out at different positions, which is easy to use.

[0028] When in use, place one end of the suspension arm 3 in the adjusting and fixing component 2 on the top of the lifting support column 1, fix the suspension arm 3 through the lower pressure plate 210, install the other adjusting and fixing component 2 on the other end of the suspension arm 3, and fix it in the same way. Hang a heavy object on the hook 6 at the bottom to test the bearing capacity. After the single-point test is completed, the adjusting and fixing component 2 can be moved conveniently through the moving wheel 215, and the hook 6 can be changed. Repeat the fixation and lifting again to test the bearing capacity of the suspension arm 3.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crane boom bearing capacity detection device, comprising a lifting support column (1), an adjustment and fixing component (2), a suspension arm (3), a mounting frame (4), a weight detector (5) and a hook (6), characterized in that: The adjusting and fixing component (2) is fixedly connected to the top of the lifting support column (1), the suspension arm (3) is installed inside the adjusting and fixing component (2), the mounting frame (4) is fixedly connected to the bottom of another adjusting and fixing component (2), the weight detector (5) is fixedly connected to one side of the mounting frame (4), and the hook (6) is fixedly connected to the bottom of the mounting frame (4).

2. A crane boom bearing capacity detection device according to claim 1, characterized in that: The adjusting and fixing component (2) comprises a bottom plate (201), a support plate (202), a top plate (203), a cylinder (204), a lifting rod (205) and a secondary reinforcement component (206); the support plate (202) is fixedly connected to the top of the bottom plate (201); the top plate (203) is fixedly connected to the top of the support plate (202); the cylinder (204) is fixedly connected to the top of the top plate (203); the lifting rod (205) is pneumatically lifted and connected to the bottom of the cylinder (204); and the secondary reinforcement component (206) is installed at the bottom of the lifting rod (205).

3. A crane boom bearing capacity detection device according to claim 2, characterized in that: The secondary reinforcement assembly (206) includes a lower pressure plate (210), a driving motor (211), a rotating rod (212), a moving block (213), a side clamping plate (214) and a moving wheel (215), wherein the lower pressure plate (210) is fixedly connected to the bottom of the lifting rod (205), the driving motor (211) is fixedly connected to one end of the lower pressure plate (210), the rotating rod (212) is rotatably connected to the inside of the lower pressure plate (210), the moving block (213) is threadedly connected to the outside of the rotating rod (212), the side clamping plate (214) is fixedly connected to the bottom of the moving block (213), and the moving wheel (215) is installed on both sides of the side clamping plate (214).

4. A crane boom bearing capacity detection device according to claim 3, characterized in that: The moving wheel (215) comprises a wheel body (220), a mounting block (221) and a hydraulic spring rod (222); the wheel body (220) is rotatably connected to one end of the mounting block (221), and the hydraulic spring rod (222) is fixedly connected to the top of the mounting block (221).

5. A crane boom bearing capacity detection device according to claim 1, characterized in that: The number of the adjusting and fixing components (2) is two, one adjusting and fixing component (2) is fixedly connected to the top of the lifting support column (1), and the other adjusting and fixing component (2) is installed at the other end of the suspension arm (3).

6. A crane boom bearing capacity detection device according to claim 3, characterized in that: There are four moving wheels (215) installed at the bottom of the lower pressing plate (210).

7. A crane boom bearing capacity detection device according to claim 3, characterized in that: The width of the side clamping plate (214) is consistent with the width of the lower pressing plate (210).

8. A crane boom bearing capacity detection device according to claim 1, characterized in that: A reinforcement block is provided at the bottom of the lifting support column (1).

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