Earthwork construction lifting device
By designing an earthwork construction lifting device with motor, gear and screw, the existing lift cable strength reduction and shaking problems during high-altitude operation are solved, and the improvement of improvement accuracy and stability and construction safety are enhanced.
Patent Information
- Application Number
- CN202421302803.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-07
AI Technical Summary
The existing elevators are prone to reduced strength and fracture of the cable during long-term use, and are easily affected by cross wind during high altitudes, causing the hoist to shake, which increases material drop and safety hazards for construction personnel.
A earth construction lifting device is designed, using a motor to drive the driving gear and the driven gear to mesh, drive the driving wheel and the driven wheel to rotate, and lift the lift box through the transmission belt and screw, and improve the lifting accuracy and stability by setting up a sliding structure and a buffer structure.
It effectively avoids the lift box falling caused by cable fatigue and breakage, improves the improvement accuracy and stability, reduces shaking under the influence of wind, and enhances construction safety.
Smart Images
Figure CN222684175U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of earthwork construction, in particular to an earthwork construction lifting device. Background Art
[0002] Earthwork is one of the most important projects in construction. It includes excavation, filling, transportation, drainage, and precipitation of earth and stone. Earthwork has a large amount of work, a long construction period, and complex construction, and many factors need to be considered. During the earthwork construction process, the rock and soil need to be loosened, broken, excavated, and transported out. During the earthwork construction process, it is often necessary to transport materials to different heights of the work site.
[0003] During the material lifting process of the existing hoist in the construction project, when the construction materials are replenished during long-term use, the strength of the steel cable will gradually decrease due to the long-term lifting of heavy objects. If it is not inspected and replaced in time, it is easy to break, and there are certain safety hazards in use. In addition, the existing hoist is generally a single steel cable hoist. In the process of lifting to a high altitude, it will be affected by the crosswind and cause the bucket to shake, which can easily cause the lifted materials to fall, posing a high safety hazard to the personal safety of the construction workers below. Utility Model Content
[0004] The technical problem to be solved by the utility model is that the existing hoist is prone to breakage when lifting heavy objects for a long time, and in the process of lifting to a high altitude, it will be affected by the crosswind and cause the bucket to shake, which easily causes the lifted materials to fall.
[0005] To solve the above technical problems, the technical solution provided by the utility model is: an earthwork construction lifting device, comprising a base, a support frame is provided on the base, a lifting box is provided between the support frames, a lifting structure 1 for lifting the lifting box is provided on the support frame, and the lifting structure 1 comprises a motor 1, a driving gear, a driven gear, a driving wheel, a driven wheel, and a screw rod, the motor 1 is connected to the output end of the driving gear, the driven gear is rotatably connected to the box body, the driving gear is meshed with the driven gear, the driving wheel is located on the driven gear, the driven wheel is rotatably connected to the box body, a transmission belt is provided between the driving wheel and the driven wheel, two screw rods are provided and are respectively located on the driving wheel and the driven wheel, active cavities are opened on opposite sides of the support frame, one end of the screw rod extending into the active cavity is rotatably connected to the active cavity, a moving block is threadedly connected to the screw, and the lifting box is located between the moving blocks.
[0006] As a further solution of the utility model, a lifting structure 2 is provided on the support frame, and the lifting structure 2 includes a motor 2, a support plate, a rotating shaft, and a steel cable. The motor 2 is located on the support frame, and the rotating shaft is connected to the output end of the motor 2. The support plate is located on the support frame and two are symmetrically provided. The rotating shaft is rotatably connected to the support plate, and the steel cable is wound around the rotating shaft. A hook is provided at the lower end of the steel cable.
[0007] As a further solution of the utility model, a sliding structure is provided between the lifting box and the support frame, and the sliding structure includes a slide groove and a slider. The slide groove is located on the side of the support frame close to the lifting box, and the slider is located on both sides of the lifting box. The slider slides in sliding cooperation with the slide groove.
[0008] As a further solution of the utility model, a buffer structure is provided on the base, and the buffer structure includes a buffer plate and a spring shock absorber damper. The spring shock absorber damper is located at the four corners of the base, and the buffer plate is located between the spring shock absorber dampers.
[0009] As a further solution of the utility model, a V-shaped connecting frame is provided on the lifting box, and a lifting ring is provided on the V-shaped connecting piece.
[0010] The advantages of the utility model compared with the prior art are: by setting up the second lifting structure, the second motor drives the steel cable to rotate to lift the lifting box, and at the same time the lifting structure works, the first motor drives the driving gear to rotate, the driving gear and the driven gear are engaged to drive the driving wheel to rotate, and the driving wheel and the driven wheel are connected with a belt transmission, thereby driving the two screws to rotate in the same direction and at the same speed, and then driving the lifting box to lift. This structure can provide certain support and lifting effects from the side, avoiding the lifting box from falling after fatigue fracture of the steel cable, and at the same time can improve the lifting accuracy of the lifting box, and can avoid shaking caused by wind. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a stereoscopic diagram of an earthwork construction lifting device of the utility model.
[0012] Figure 2 The utility model is a schematic diagram of the internal structure of an earthwork construction lifting device.
[0013] Figure 3 It is an enlarged schematic diagram of the A-part structure of an earthwork construction lifting device of the utility model.
[0014] Figure 4 It is an enlarged schematic diagram of the B-part structure of an earthwork construction lifting device of the utility model.
[0015] As shown in the figure: 1. Base; 2. Support frame; 3. Lifting box; 4. Motor 1; 5. Driving gear; 6. Driven gear; 7. Driving wheel; 8. Driven wheel; 9. Screw; 10. Transmission belt; 11. Movable cavity; 12. Moving block; 13. Motor 2; 14. Support plate; 15. Rotating shaft; 16. Steel cable; 17. Hook; 18. Slide; 19. Slider; 20. Buffer plate; 21. Spring shock absorber; 22. V-shaped connector; 23. Lifting ring. DETAILED DESCRIPTION
[0016] 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.
[0017] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.
[0018] Combined with Figure 1 , Figure 4 A lifting device for earthwork construction comprises a base 1, a support frame 2 is arranged on the base 1, a lifting box 3 is arranged between the support frames 2, a V-shaped connecting frame is arranged on the lifting box 3, a lifting ring 23 is arranged on the V-shaped connecting member 22, a lifting structure 2 is arranged on the support frame 2, the lifting structure 2 comprises a motor 2 13, a support plate 14, a rotating shaft 15, and a steel cable 16, the motor 2 13 is located on the support frame 2, the rotating shaft 15 is connected to the output end of the motor 2 13, the support plate 14 is located on the support frame 2 and two are symmetrically arranged, the rotating shaft 15 is rotatably connected to the support plate 14, the steel cable 16 is wound around the rotating shaft 15, and a hook 17 is arranged at the lower end of the steel cable 16.
[0019] Combined with Figure 2 , Figure 3The support frame 2 is provided with a lifting structure 1 for lifting the lifting box 3. The lifting structure 1 includes a motor 4, a driving gear 5, a driven gear 6, a driving wheel 7, a driven wheel 8, and a screw 9. The motor 4 is connected to the output end of the driving gear 5, the driven gear 6 is rotatably connected to the box body, the driving gear 5 is meshed with the driven gear 6, the driving wheel 7 is located on the driven gear 6, the driven wheel 8 is rotatably connected to the box body, a transmission belt 10 is provided between the driving wheel 7 and the driven wheel 8, two screws 9 are provided and are respectively located on the driving wheel 7 and the driven wheel 8, active cavities 11 are provided on the opposite sides of the support frame 2, one end of the screw 9 extending into the active cavity 11 is rotatably connected to the active cavity 11, and a moving block 12 is threadedly connected to the screw 9, and the lifting box 3 is located between the moving blocks 12.
[0020] Combined with Figure 3 A sliding structure is provided between the lifting box 3 and the support frame 2, and the sliding structure includes a slide groove 18 and a slider 19. The slide groove 18 is located on the side of the support frame 2 close to the lifting box 3, and the slider 19 is located on both sides of the lifting box 3. The slider 19 slides in cooperation with the slide groove 18.
[0021] Combined with Figure 1 A buffer structure is provided on the base 1, and the buffer structure includes a buffer plate 20 and a spring shock-absorbing damper 21. The spring shock-absorbing damper 21 is located at the four corners of the base 1, and the buffer plate 20 is located between the spring shock-absorbing dampers 21.
[0022] When the utility model is implemented, the lifting ring is first hooked up by the lifting hook, and then the motor two is started, the motor two drives the rotating shaft to rotate, and the rotating shaft drives the steel cable to wind up, so as to lift the lifting box. At the same time, the motor one is started to drive the driving gear to rotate, and the driving gear is engaged with the driven gear to drive the driven gear to rotate, thereby driving the driving wheel to rotate. The driving wheel and the driven wheel are connected with a belt transmission, that is, the two screws are driven to rotate in the same direction and at the same speed, thereby driving the lifting box to lift. This structure can provide certain support and lifting effect from the side, so as to avoid the lifting box falling down after the steel cable fatigue fracture, and at the same time can improve the lifting accuracy of the lifting box, and can avoid the shaking caused by the influence of wind.
[0023] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. A lifting device for earthwork construction, comprising a base (1), characterized in that: A support frame (2) is provided on the base (1), a lifting box (3) is provided between the support frames (2), a lifting structure (1) for lifting the lifting box (3) is provided on the support frame (2), the lifting structure (1) comprises a motor (4), a driving gear (5), a driven gear (6), a driving wheel (7), a driven wheel (8), and a screw (9), the motor (4) is connected to the output end of the driving gear (5), the driven gear (6) is rotatably connected to the box body, the driving gear (5) is meshed with the driven gear (6), and the driving wheel (7) is positioned at the bottom of the driving gear (5). On the driven gear (6), the driven wheel (8) is rotatably connected to the box body, a transmission belt (10) is provided between the driving wheel (7) and the driven wheel (8), two screw rods (9) are provided and are respectively located on the driving wheel (7) and the driven wheel (8), and movable cavities (11) are provided on opposite sides of the support frame (2), one end of the screw rod (9) extending into the movable cavity (11) is rotatably connected to the movable cavity (11), and a moving block (12) is threadedly connected to the screw rod (9), and the lifting box (3) is located between the moving blocks (12).
2. The earthwork construction lifting device according to claim 1, characterized in that: A lifting structure 2 is provided on the support frame (2), and the lifting structure 2 comprises a motor 2 (13), a support plate (14), a rotating shaft (15), and a steel cable (16). The motor 2 (13) is located on the support frame (2), and the rotating shaft (15) is connected to the output end of the motor 2 (13). The support plate (14) is located on the support frame (2) and two of them are symmetrically provided. The rotating shaft (15) is rotatably connected to the support plate (14). The steel cable (16) is wound on the rotating shaft (15), and a hook (17) is provided at the lower end of the steel cable (16).
3. The earthwork construction lifting device according to claim 1, characterized in that: A sliding structure is provided between the lifting box (3) and the support frame (2), and the sliding structure comprises a slide groove (18) and a slider (19). The slide groove (18) is located on the side of the support frame (2) close to the lifting box (3), and the slider (19) is located on both sides of the lifting box (3). The slider (19) and the slide groove (18) are slidably matched.
4. The earthwork construction lifting device according to claim 1, characterized in that: A buffer structure is provided on the base (1), the buffer structure comprising a buffer plate (20) and a spring shock absorber (21), the spring shock absorber (21) being located at four corners of the base (1), and the buffer plate (20) being located between the spring shock absorber (21).
5. The earthwork construction lifting device according to claim 1, characterized in that: A V-shaped connecting piece (22) is provided on the lifting box (3), and a lifting ring (23) is provided on the V-shaped connecting piece (22).