Crane girder camber detection device
By designing an automated camber detection device for the main beam of a crane, and utilizing a combination of gears, racks, and motor drives, the problems of low safety and efficiency in manual measurement are solved, achieving safe and efficient camber measurement.
Patent Information
- Application Number
- CN202422865051.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-22
AI Technical Summary
The existing method for measuring the camber of crane main beams relies on manual operation, which poses safety risks and is inefficient.
A crane main beam camber detection device was designed. Through a combination of gears, racks, sliders and motor drives, automated measurement is achieved. The device uses steel cables and moving blocks to detect the levelness and camber of the main beam.
It improves the safety and efficiency of measurements, reduces human intervention, and ensures the accuracy and stability of measurement results.
Smart Images

Figure CN223525726U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a crane girder technical field especially relates to a crane girder upper camber detection device. BACKGROUND
[0002] Beam crane is a kind of crane, which is composed of bridge and hoist trolley. The bridge moves longitudinally along the ground track, and the hoist trolley moves transversely along the bridge. It has three working mechanisms, i.e. lifting, bridge walking and trolley walking, driven by manpower or electricity. It is mainly used for carrying goods in factory or workshop, and is prohibited to be used in flammable, explosive and corrosive environments.
[0003] The camber of crane girder refers to the deflection deformation of the girder under load. It usually bulges upwards to form an arch. This arch design is to offset the deflection caused by self-weight and working load, so as to ensure the stability and safety of the crane under load. The existing crane girder camber measurement method is to measure by using steel wire rope and tape measure. The operator needs to align manually and read by eyes, which is dangerous and inefficient. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a crane girder upper camber detection device to solve the problems mentioned in the background.
[0005] The utility model discloses a crane girder upper camber detection device, which comprises a girder, a top plate is arranged on the top of the girder near the front and rear sides, a sliding block is fixedly connected to the bottom of the top plate near the front and rear sides, two opposite plates are arranged on the bottom of the top plate, the two opposite plates are symmetrically arranged left and right, two limiting plates are fixedly connected to the top of the two opposite plates, every two adjacent limiting plates are symmetrically arranged front and back, the inner cavities of every two adjacent limiting plates are slidably connected with the corresponding sliding blocks, a gear rack is fixedly connected to the top of each opposite plate, the two gear racks are symmetrically arranged front and back, a center shaft is arranged through the center of the top of the top plate, a gear is fixedly connected to the bottom end of the center shaft, the gear is located between the two gear racks, the gear and the two gear racks are meshed with each other, two clamping plates are fixedly connected to the bottom of each opposite plate, every two adjacent clamping plates are symmetrically arranged front and back, anti-skid blocks are fixedly connected to the corresponding side of the clamping plates, and the corresponding side of the anti-skid blocks is attached to the girder.
[0006] In one embodiment, the gear below has a lower plate, the top of the lower plate is fixedly connected at the bottom of the top plate near the front and rear sides, the bottom of the lower plate is fixedly connected with two fixed plates, the two fixed plates are symmetrically arranged, a rotating shaft is penetratingly arranged between the two fixed plates, and a winding wheel is fixedly sleeved outside the rotating shaft.
[0007] In one embodiment, the bottom of the lower plate on the rear side has a motor, the motor power output shaft is fixedly connected with the adjacent rotating shaft, the winding wheel outside the rear side is wound with a steel cable, the front end of the steel cable is wound outside another winding wheel, one side of the two fixed plates near the center of the steel cable is fixedly connected with a penetrating plate, and the steel cable penetrates the inner cavity of the penetrating plate.
[0008] In one embodiment, the steel cable outside is sleeved with a moving block, grooves are formed in the left and right sides of the moving block, a slot is formed in the bottom center of the moving block, a roller is arranged in the inner cavity of the slot, a transmission rod is penetratingly arranged and fixedly connected with the center of the roller, lifting blocks are sleeved outside the transmission rod near the left and right ends, and the lifting blocks are attached to the inner side walls of the grooves.
[0009] In one embodiment, the bottom of the groove is fixedly connected with a spring, the top end of the spring is fixedly connected with the bottom of the lifting block, and the top of the lifting block is fixedly connected with an L-shaped touch rod.
[0010] In one embodiment, a plurality of clamping grooves are formed in the front and rear sides of the inner side wall of the groove, the plurality of clamping grooves are linearly arranged from top to bottom, a clamping block is arranged in the inner cavity of the clamping groove, a reset spring is fixedly connected to one side of the clamping block, and the reset spring is fixedly connected to the inner side wall of the clamping groove.
[0011] In one embodiment, a handle is sleeved outside the center shaft near the top end, a non-slip pad is sleeved outside the handle, and a measuring plate is fixedly connected to the front side of the lower plate on the rear side.
[0012] The beneficial effects of the utility model are:
[0013] The cooperation between the top plate, the rack, the center shaft, the gear, the limiting plate, the opposite plate, the clamping plate, the sliding block, the lower plate, the fixed plate, the winding wheel, the steel cable, the motor and the measuring plate can realize fixing the measuring mechanism on the outside of the main beam, guaranteeing the stability in the measuring process, improving the measuring effect, the cooperation between the moving block, the reset spring, the clamping block, the transmission rod, the spring, the roller and the L-shaped touch rod can realize that the winding wheel is driven to rotate when the motor rotates, the steel cable is driven to move when the winding wheel at the rear side rotates, the moving block is driven to move when the steel cable moves, and the roller is driven to move when the moving block moves, if the surface levelness of the main beam is inclined, the L-shaped touch rod can move upwards and contact with the measuring plate, and the staff can judge the levelness and camber according to the position of the L-shaped touch rod. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0015] Figure 2 It is a part three-dimensional structure schematic view of the utility model;
[0016] Figure 3 It is a top plate structure schematic view of the utility model;
[0017] Figure 4 It is a top plate structure split view of the utility model;
[0018] Figure 5 It is a top plate structure upside split view of the utility model;
[0019] Figure 6 It is a motor structure upside view of the utility model;
[0020] Figure 7 It is a moving block structure schematic view of the utility model;
[0021] Figure 8 It is a moving block structure plan view of the utility model.
[0022] In the drawings, 1, main beam; 2, top plate; 3, measuring plate; 4, handle; 5, clamping plate; 6, opposite plate; 7, limiting plate; 8, sliding block; 9, rack; 10, motor; 11, fixed plate; 12, lower plate; 13, through plate; 14, gear; 15, center shaft; 16, steel cable; 17, moving block; 18, roller; 19, L-shaped touch rod; 20, spring; 21, lifting block; 22, transmission rod; 23, clamping block; 24, reset spring; 25, winding wheel. DETAILED DESCRIPTION
[0023] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The technical solutions of the present application will be further described below with reference to the drawings of the embodiments of the present application. The present application is not limited to the following specific embodiments.
[0024] It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the present application, it should be understood that if the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation of the present patent. For those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.
[0025] In one embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , Figure 7 and Figure 8As shown, a crane girder camber detection device, including the girder 1, the top of the girder 1 near the front and rear sides are provided with the top plate 2, the bottom of the top plate 2 near the front and rear sides are fixedly connected with the sliding block 8, the bottom of the top plate 2 is provided with two opposite plates 6, the two opposite plates 6 are symmetrically arranged, the top of the two opposite plates 6 is fixedly connected with two limiting plates 7, every two adjacent limiting plates 7 are symmetrically arranged, the inner cavity of every two adjacent limiting plates 7 is slidably connected with the corresponding sliding block 8, the top of the two opposite plates 6 is fixedly connected with two racks 9, the two racks 9 are symmetrically arranged, the top of the top plate 2 is provided with a center shaft 15, the bottom end of the center shaft 15 is fixedly connected with a gear 14, the gear 14 is located between the two racks 9, the gear 14 and the two racks 9 are meshingly arranged, the bottom of the two opposite plates 6 is fixedly connected with two clamping plates 5, every two adjacent clamping plates 5 are symmetrically arranged, the side of the clamping plate 5 corresponding to the plurality of clamping plates 5 is fixedly connected with an anti-skid block, the side of the plurality of anti-skid blocks corresponding to the plurality of anti-skid blocks is attached to the girder 1, the gear 14 is provided below with a lower plate 12, the top of the lower plate 12 near the front and rear sides is fixedly connected at the bottom of the top plate 2, the bottom of the lower plate 12 is fixedly connected with two fixed plates 11, the two fixed plates 11 are symmetrically arranged, a rotating shaft is penetratingly arranged between the two fixed plates 11, a winding wheel 25 is fixedly sleeved on the outer side of the rotating shaft, a motor 10 is located at the bottom of the lower plate 12 at the rear side, the power output shaft of the motor 10 is fixedly connected with the adjacent rotating shaft, the outer side of the winding wheel 25 at the rear side is wound with a steel cable 16, the front end of the steel cable 16 is wound on the outer side of another winding wheel 25, the side of the two fixed plates 11 near the center of the steel cable 16 is fixedly connected with a penetrating plate 13, the steel cable 16 penetrates the inner cavity of the penetrating plate 13.
[0026] The outer side of the steel cable 16 is sleeved with a moving block 17, the left and right sides of the moving block 17 are provided with grooves, the bottom center of the moving block 17 is provided with a slot, the inner cavity of the slot is provided with a roller 18, the center of the roller 18 is penetratingly provided with a transmission rod 22, and the transmission rod 22 is fixedly connected with the roller 18, the outer side of the transmission rod 22 near the left and right ends is sleeved with a lifting block 21, the front and rear sides of the lifting block 21 are attached to the inner side wall of the groove, the inner cavity of the groove is fixedly connected with a spring 20, the top end of the spring 20 is fixedly connected with the bottom of the lifting block 21, the top of the lifting block 21 is fixedly connected with an L-shaped touch rod 19, a plurality of clamping grooves are provided on the front and rear sides of the inner side wall of the groove, the plurality of clamping grooves are sequentially arranged in a linear manner from top to bottom, the inner cavity of the clamping groove is provided with a clamping block 23, the side of the plurality of clamping blocks 23 corresponding to the plurality of clamping blocks 23 is fixedly connected with a reset spring 24, the side of the plurality of reset springs 24 corresponding to the plurality of reset springs 24 is fixedly connected on the inner side wall of the clamping groove, the outer side of the center shaft 15 near the top is sleeved with a handle 4, the outer side of the handle 4 is sleeved with an anti-skid pad, the front side of the lower plate 12 at the rear side is fixedly connected with a measuring plate 3.
[0027] Working principle: first, the staff can rotate the handle 4, when the handle 4 is rotated can drive the central shaft 15 rotation, central shaft 15 rotation can drive gear 14 rotation, gear 14 rotation can drive two rack 9 move towards, when two rack 9 move towards can drive two towards plate 6 move towards, towards plate 6 moves can drive the clamp plate 5 move, so as to with the main beam 1 paste, when the detection device fixed, can start motor 10, when motor 10 starts through the power output shaft can drive the winding wheel 25 located in the rear side rotation, located in the rear side winding wheel 25 rotation can drive the steel cable 16 to the rear side movement, steel cable 16 to the rear side movement can drive the moving block 17 to the rear side movement, moving block 17 to the rear side movement roller 18 can with the main beam 1 top paste, when the main beam 1 surface inclination degree occurs deviation, lifting block 21 can move upwards, when lifting block 21 move upwards can with the clamping block 23 contact, when the clamping block 23 with lifting block 21 bottom paste, can complete the position of lifting block 21 fixed, when the roller 18 to the rear side movement L type touch rod 19 can with the measuring plate 3 contact.
[0028] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, but as long as the combinations of the technical features do not contradict, they should be considered within the scope of the present disclosure.
[0029] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.
Claims
1. A device for detecting the camber of a main girder of a crane, characterized in that The utility model provides a kind of crane, including main beam (1), the top of the main beam (1) is close to the top plate (2) of both sides, the bottom of the top plate (2) is close to the sliding block (8) of both sides, the bottom of the top plate (2) has two opposite plates (6), two The opposite plate (6) is symmetrically arranged left and right, two The opposite plate (6) top is fixedly connected with two limit plate (7), every two adjacent The limit plate (7) is symmetrically arranged front and back, every two adjacent The limit plate (7) inner chamber is slidably connected with corresponding sliding block (8), two The opposite plate (6) top is fixedly connected with rack (9), two The rack (9) is symmetrically arranged front and back, the top of the top plate (2) is fixedly connected with the center axis (15) of center, the bottom of the center axis (15) is fixedly connected with gear (14), the gear (14) is located between two rack (9), the gear (14) and two rack (9) are symmetrically arranged front and back, two The opposite plate (6) bottom is fixedly connected with two clamping plate (5), every two adjacent The clamping plate (5) is symmetrically arranged front and back, the side of a plurality of The clamping plate (5) is fixedly connected with anti-skid block, the side of a plurality of The anti-skid block is fixedly connected with main beam (1) correspondingly.
2. A device for detecting the camber of a main girder of a crane according to claim 1, characterized in that The gear (14) below has lower plate (12), the top of the lower plate (12) is fixedly connected at the bottom of the top plate (2) close to both sides, the bottom of the lower plate (12) is fixedly connected with two fixed plate (11), two The fixed plate (11) is symmetrically arranged left and right, two The fixed plate (11) is fixedly connected with the rotating shaft between two The fixed plate (11), the rotating shaft is fixedly connected with winding wheel (25) outside.
3. A device for detecting the camber of a main girder of a crane according to claim 2, characterized in that The bottom of the lower plate (12) on the rear side has motor (10), the power output shaft of the motor (10) is fixedly connected with adjacent rotating shaft, the winding wheel (25) outside on the rear side is wound with steel cable (16), the steel cable (16) front end is wound on the outside of another winding wheel (25), the side of two The fixed plate (11) close to the center of steel cable (16) is fixedly connected with the inner cavity of the through plate (13) between two The fixed plate (11), the inner cavity of the through plate (13) is fixedly connected with the steel cable (16).
4. A device for detecting the camber of a main girder of a crane according to claim 3, characterized in that The steel cable (16) outside is sleeved with moving block (17), the left and right sides of the moving block (17) are provided with recess, the bottom center of the moving block (17) is provided with slot, the inner cavity of the slot has gyro wheel (18), the gyro wheel (18) is fixedly connected with transmission rod (22) and is fixedly connected with the transmission rod (22), the transmission rod (22) is fixedly connected with lifting block (21) outside close to left and right ends, the lifting block (21) front and back sides are fixedly connected with the inner wall of recess.
5. A device for detecting the camber of a main girder of a crane according to claim 4, characterized in that The inner cavity bottom of the recess is fixedly connected with spring (20), the top end of the spring (20) is fixedly connected with the bottom of lifting block (21), the top of the lifting block (21) is fixedly connected with L type touch rod (19).
6. A device for detecting the camber of a main girder of a crane according to claim 5, characterized in that The inner side wall of the groove is provided with a plurality of clamping grooves on the front and back sides, the plurality of clamping grooves are sequentially arranged in a linear manner from top to bottom, the inner cavity of the clamping groove is provided with a clamping block (23), one side of the plurality of clamping blocks (23) is fixedly connected with a return spring (24) in a corresponding manner, and one side of the plurality of return springs (24) is fixedly connected to the inner side wall of the clamping groove.
7. A device for detecting the camber of a main girder of a crane according to claim 2, characterized in that A handle (4) is sleeved on the outer side of the central shaft (15) and close to the top end, a non-slip pad is sleeved on the outer side of the handle (4), and the front side of the lower plate (12) on the rear side is fixedly connected with a measuring plate (3).