Multi-section lifting crane
By introducing lifting components and lifting mechanisms into the crane, the multi-directional movement of the machine beam and the lifting device is achieved, which solves the problem that the cargo size cannot be adjusted in the prior art, and improves the flexibility and effect of the crane.
Patent Information
- Application Number
- CN202421155389.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-24
AI Technical Summary
Existing cranes cannot adjust the size of lifted goods as needed, resulting in poor flexibility in height and length, reducing the effectiveness of use.
A multi-stage lifting crane is designed, adopting lifting components and lifting mechanisms. By driving the motor to drive the screw and hydraulic telescopic rod, the multi-directional movement of the machine beam and the lifting device can be realized, and the height and length of the crane can be adjusted according to the cargo size.
It improves the flexibility and effect of the crane, can easily and conveniently adjust the position of the lifting device, adapt to cargo of different sizes, and improves the stability and accuracy of the lifting.
Smart Images
Figure CN222273911U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cranes, in particular to a multi-stage lifting crane. Background Art
[0002] Cranes are commonly used transportation devices in road and bridge construction. Cranes can be used to lift road and bridge raw materials and accessories. Road and bridge transportation is relatively large, and gantry cranes are often used for lifting.
[0003] The existing CN218909656U patent document proposes a crane, wherein a horizontally arranged machine beam is provided at the top of the machine body, a trolley is slidably connected to the machine beam, the trolley slides horizontally along the machine beam, a rigid telescopic joint is provided at the lower end of the trolley, the telescopic joint is vertically telescopic, and a lifting ring is provided at the lower end of the telescopic joint. The machine body of the present application slides and the trolley slides along the machine beam, and can slide in any direction on the horizontal plane. The telescopic joint can realize up and down movement of telescoping. The telescopic joint is a rigid structure and can only move up and down, thereby reducing the shaking of the hoisted object and improving the stability and accuracy during the hoisting process.
[0004] However, since the prior art patent technology with publication number CN218909656U cannot adjust the height and length of the crane according to the size of the goods to be hoisted during use, the flexibility is poor, which reduces the effect of use. Utility Model Content
[0005] 1. Technical issues to be resolved
[0006] The utility model aims to provide a multi-stage lifting crane to solve the problem in the above background technology that the height and length of the crane cannot be adjusted according to the size of the goods to be hoisted, the flexibility is poor, and the use effect is reduced.
[0007] (II) Technical solution
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage lifting crane, comprising a main body mechanism and a hoisting mechanism, wherein the hoisting mechanism is located at the right end of the main body mechanism, the main body mechanism comprises a body, a mounting groove and a lifting assembly, wherein the mounting groove is fixedly arranged at the rear end of the body, and the lifting assembly is fixedly arranged inside the mounting groove;
[0009] Preferably, the main mechanism also includes a machine beam, a slide rail, a mobile slide, a hydraulic telescopic rod, a fixed block, a pulley and a brake pad. The machine beam is fixedly installed on the rear end of the lifting assembly, the slide rail is fixedly installed on the outer end of the machine beam, the mobile slide is movably installed inside the slide rail, the hydraulic telescopic rod is fixedly installed on the right end of the mobile slide, the fixed block is fixedly installed on the lower end of the machine body, the pulley is movably installed on the lower end of the fixed block, and the brake pad is movably installed above the pulley. During use of this crane, through the setting of the lifting assembly, the screw can be driven to rotate by a driving motor, and the rotation of the screw drives the screw block to move, and the screw block can be used to drive the machine beam to move up and down, and the mobile slide can drive the lifting device to move forward and backward, and the hydraulic telescopic rod can adjust the lifting device to move left and right. It has a simple structure and is easy to use. The height and length of the crane can be adjusted according to the size of the goods to be lifted, thereby improving the use effect.
[0010] Preferably, the lifting assembly comprises a driving motor, a screw rod and a screw block, and the driving motor is fixedly installed inside the mounting groove.
[0011] Preferably, the screw is fixedly mounted on the upper end of the driving motor, and the screw block is movably mounted on the outer end of the screw. The screw block is located at the front end of the machine beam. The driving motor can drive the screw to rotate, and the rotation of the screw drives the screw block to move. The screw block can be used to drive the machine beam to move up and down.
[0012] Preferably, the hoisting mechanism comprises a mounting block, a winding motor, a winding wheel, a steel rope and a hoisting hook; the mounting block is fixedly mounted on the right end of the hydraulic telescopic rod, and the winding device is conveniently mounted on the mounting block.
[0013] Preferably, the winding motor is fixedly mounted on the right end of the mounting block, and the winding wheel is fixedly mounted on the output end of the left end of the winding motor. The winding motor can drive the winding wheel to rotate, thereby winding or releasing the steel rope through the winding wheel.
[0014] Preferably, the steel rope is fixedly mounted on the outer end of the winding wheel, and the lifting hook is fixedly mounted on the lower end of the steel rope. When lifting cargo, the lifting hook can be passed through the rope on the cargo, and then the cargo can be hooked up by the lifting hook.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. The multi-stage lifting crane realizes the installation of the main mechanism during the use of the crane. Through the setting of the lifting assembly, the screw can be driven by the driving motor to rotate, and the screw rotation drives the screw block to move. The screw block can drive the machine beam to move up and down, and the lifting device can be driven to move forward and backward through the moving slide. The lifting device can be adjusted to move left and right through the hydraulic telescopic rod. The structure is simple and easy to use. The height and length of the crane can be adjusted according to the size of the goods to be lifted, which improves the use effect and the practicality of the multi-stage lifting crane.
[0017] 2. The multi-stage lifting crane, through the installation of the lifting mechanism, can pass the lifting hook through the rope on the cargo when lifting the cargo, and then hook the cargo through the lifting hook. The winding motor can drive the winding wheel to rotate, so as to reel in or loosen the steel rope, thereby improving the usability of the multi-stage lifting crane. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the lifting component of the utility model;
[0020] Figure 3 This is an enlarged structural diagram of the main mechanism of the utility model;
[0021] Figure 4 It is a schematic diagram of the structure of the lifting mechanism of the utility model.
[0022] In the figure: 1. Main body; 101. Machine body; 102. Mounting slot; 103. Lifting assembly; 1031. Driving motor; 1032. Screw rod; 1033. Screw block; 104. Machine beam; 105. Slide rail; 106. Moving slide; 107. Hydraulic telescopic rod; 108. Fixed block; 109. Pulley; 110. Brake pad; 2. Hoisting mechanism; 201. Mounting block; 202. Winding motor; 203. Winding wheel; 204. Steel rope; 205. Hoisting hook. DETAILED DESCRIPTION
[0023] 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.
[0024] See also Figure 1-Figure 4The utility model provides a technical solution: a multi-stage lifting crane, including a main mechanism 1 and a hoisting mechanism 2, the hoisting mechanism 2 is located at the right end of the main mechanism 1, the main mechanism 1 includes a body 101, a mounting groove 102 and a lifting component 103, the mounting groove 102 is fixedly arranged at the rear end of the body 101, and the lifting component 103 is fixedly installed inside the mounting groove 102.
[0025] The main mechanism 1 also includes a machine beam 104, a slide rail 105, a mobile slide 106, a hydraulic telescopic rod 107, a fixed block 108, a pulley 109 and a brake pad 110. The machine beam 104 is fixedly installed at the rear end of the lifting component 103, the slide rail 105 is fixedly arranged at the outer end of the machine beam 104, the mobile slide 106 is movably installed inside the slide rail 105, the hydraulic telescopic rod 107 is fixedly installed at the right end of the mobile slide 106, the fixed block 108 is fixedly installed at the lower end of the machine body 101, the pulley 109 is movably installed at the lower end of the fixed block 108, and the brake pad 110 is movably installed above the pulley 109. The lifting component 103 includes a drive motor 1031, a screw 1032 and a screw block 1033. The drive motor 1031 is fixedly installed inside the mounting groove 102. The screw 1032 is fixedly mounted on the upper end of the driving motor 1031, and the screw block 1033 is movably mounted on the outer end of the screw 1032. The screw block 1033 is located at the front end of the machine beam 104. When the crane is in use, the pulley 109 can be used to drive the crane to move. After arriving at the work site, the brake pad 110 is stepped on to fix it. Through the setting of the lifting component 103, the driving motor 1031 can be used to drive the screw 1032 to rotate according to the size of the cargo. The rotation of the screw 1032 drives the screw block 1033 to move. The screw block 1033 can be used to drive the machine beam 104 to move up and down, and the lifting device can be driven to move forward and backward through the moving slide 106. The lifting device can be adjusted to move left and right through the hydraulic telescopic rod 107, so that the crane can be adjusted to a size suitable for the size of the cargo.
[0026] The lifting mechanism 2 includes a mounting block 201, a winding motor 202, a winding wheel 203, a steel rope 204 and a lifting hook 205. The mounting block 201 is fixedly mounted on the right end of the hydraulic telescopic rod 107, the winding motor 202 is fixedly mounted on the right end of the mounting block 201, the winding wheel 203 is fixedly mounted on the output end of the left end of the winding motor 202, the steel rope 204 is fixedly mounted on the outer end of the winding wheel 203, and the lifting hook 205 is fixedly mounted on the lower end of the steel rope 204. The lifting hook 205 is passed through the rope on the cargo, and then the cargo can be hooked up by the lifting hook 205, and the winding motor 202 is started, so that the winding motor 202 drives the winding wheel 203 to rotate, so that the steel rope 204 is wound up by the winding wheel 203, and then the cargo is lifted.
[0027] Working principle: When the crane is in use, the pulley 109 can be used to drive the crane to move. After arriving at the work site, the brake pad 110 is stepped on to fix it. Through the setting of the lifting component 103, the screw 1032 can be driven to rotate by the driving motor 1031 according to the size of the cargo. The rotation of the screw 1032 drives the screw block 1033 to move. The screw block 1033 can be used to drive the machine beam 104 to move up and down. The lifting device can be driven to move forward and backward through the moving slide 106. The lifting device can be adjusted to move left and right through the hydraulic telescopic rod 107, so that the crane is adjusted to a size suitable for the size of the cargo, and then the lifting hook 205 is passed through the rope on the cargo, and then the cargo can be hooked up through the lifting hook 205, and the winding motor 202 is started, so that the winding motor 202 drives the winding wheel 203 to rotate, so that the steel rope 204 is wound up through the winding wheel 203, and then the cargo is lifted.
[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.
Claims
1. A multi-stage lifting crane, comprising a main mechanism (1) and a lifting mechanism (2), characterized in that: The hoisting mechanism (2) is located at the right end of the main mechanism (1); the main mechanism (1) comprises a body (101), a mounting groove (102) and a lifting assembly (103); the mounting groove (102) is fixedly arranged at the rear end of the body (101); and the lifting assembly (103) is fixedly installed inside the mounting groove (102); The main body mechanism (1) further comprises a machine beam (104), a slide rail (105), a movable slide (106), a hydraulic telescopic rod (107), a fixed block (108), a pulley (109) and a brake pad (110); the machine beam (104) is fixedly mounted at the rear end of the lifting assembly (103); the slide rail (105) is fixedly arranged at the outer end of the machine beam (104); the movable slide (106) is movably mounted inside the slide rail (105); the hydraulic telescopic rod (107) is fixedly mounted at the right end of the movable slide (106); the fixed block (108) is fixedly mounted at the lower end of the machine body (101); the pulley (109) is movably mounted at the lower end of the fixed block (108); and the brake pad (110) is movably mounted above the pulley (109).
2. A multi-stage lifting crane according to claim 1, characterized in that: The lifting assembly (103) comprises a driving motor (1031), a screw rod (1032) and a screw block (1033); the driving motor (1031) is fixedly mounted inside the mounting groove (102).
3. A multi-stage lifting crane according to claim 2, characterized in that: The screw rod (1032) is fixedly mounted on the upper end of the driving motor (1031), and the screw block (1033) is movably mounted on the outer end of the screw rod (1032), and the screw block (1033) is located at the front end of the machine beam (104).
4. A multi-stage lifting crane according to claim 3, characterized in that: The hoisting mechanism (2) comprises a mounting block (201), a winding motor (202), a winding wheel (203), a steel rope (204) and a hoisting hook (205); the mounting block (201) is fixedly mounted on the right end of the hydraulic telescopic rod (107).
5. A multi-stage lifting crane according to claim 4, characterized in that: The winding motor (202) is fixedly mounted on the right end of the mounting block (201), and the winding wheel (203) is fixedly mounted on the output end of the left end of the winding motor (202).
6. A multi-stage lifting crane according to claim 5, characterized in that: The steel rope (204) is fixedly mounted on the outer end of the winding wheel (203), and the hoisting hook (205) is fixedly mounted on the lower end of the steel rope (204).