Lifting appliance for lifting building materials
By designing a lifting device body and a snap-fit assembly that move synchronously to clamp and secure building materials, the problem of needing to install lifting rings before lifting in existing technologies is solved, thus achieving a more efficient lifting process.
Patent Information
- Application Number
- CN202520463018.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Existing lifting equipment requires installing lifting rings on building materials before lifting, which increases the number of steps and time involved and reduces lifting efficiency.
The lifting device adopts a design that includes a lifting body, a limiting shaft, a clamping assembly, and a motor drive. It achieves clamping and fixing of building materials by synchronously moving the clamping frame in opposite directions, increases clamping stability by tilting and sliding the building materials under gravity, and improves friction by combining rubber pads.
It reduces operation steps and time, improves hoisting efficiency, enhances the clamping stability of building materials, and avoids the use of additional tools and equipment.
Smart Images

Figure CN223674148U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building material hoisting technical field especially relates to a building material hoist. BACKGROUND
[0002] Building material is the diversified material system for the construction, decoration and maintenance of building, and is the material basis of building engineering. There are various types of building materials. Building material hoisting refers to the process of using hoisting equipment to hoist and install building materials to the designed position. A lifting appliance is usually used when hoisting building materials.
[0003] In the prior art, the existing lifting appliance usually fixes the building material through a hook. Before hoisting, the worker needs to install a lifting ring on the building material. This process requires additional fixing work before hoisting, which naturally prolongs the hoisting operation time. Not only does it need to use additional tools and equipment, but also increases the operation steps and time, which reduces the hoisting efficiency and the practicability of the device. Therefore, a building material hoist needs to be improved to solve the above problems. SUMMARY
[0004] In order to overcome the problem that the existing lifting appliance usually fixes the building material through a hook, and the worker needs to install a lifting ring on the building material before hoisting, which not only needs to use additional tools and equipment, but also increases the operation steps and time.
[0005] The technical scheme of the utility model is: a building material hoist, comprising a lifting appliance body, a first limiting shaft and a clamping assembly, a lifting ring is fixedly connected to the top of the lifting appliance body, a first limiting shaft is fixedly connected to the inside of the lifting appliance body, a sliding block is slidably connected to the outside of the first limiting shaft, a clamping frame is fixedly connected to the bottom of the sliding block, an installation frame is arranged in the inside of the clamping frame, a second limiting shaft is fixedly connected to the inside of the installation frame, a pressing plate is slidably connected to the outside of the second limiting shaft, the pressing plate is slidably connected in the inside of the installation frame, a first spring is fixedly connected between the pressing plate and the installation frame, and a rubber pad is fixedly connected to the inside of the pressing plate.
[0006] As a preferred, the clamping frame is provided with two groups, and the two groups of clamping frames are symmetrically distributed in the inside of the lifting appliance body.
[0007] As a preferred, the installation frame is provided with a groove corresponding to the position of the pressing plate, and the pressing plate slides in the groove of the installation frame.
[0008] As preferred, the left end of the lifting appliance body is fixedly connected with a motor, the output end of the motor is fixedly connected with a first bevel gear, the outside of the first bevel gear is engaged with a second bevel gear, the inside of the second bevel gear is fixedly connected with a bidirectional threaded rod, the bidirectional threaded rod is rotatably connected in the inside of the lifting appliance body, and the sliding block is threadedly connected to the outside of the bidirectional threaded rod.
[0009] As preferred, the corresponding position of the clamping frame is provided with a matching groove, and the mounting rack is arranged in the groove of the clamping frame.
[0010] As preferred, the clamping assembly comprises a fixed block, the fixed block is fixedly connected to the outside of the clamping frame, the inside of the fixed block is slidably connected with a clamping block, the clamping block is slidably connected to the inside of the clamping frame, the clamping block is clamped in the inside of the mounting rack, the outside of the clamping block is fixedly connected with a third limiting shaft, the third limiting shaft is slidably connected to the inside of the fixed block, a second spring is fixedly connected between the clamping block and the fixed block, and the outside of the third limiting shaft is fixedly connected with a pushing block.
[0011] As preferred, the corresponding position of the mounting rack is provided with a matching groove, and the clamping block is clamped in the groove of the mounting rack.
[0012] The utility model discloses beneficial effects: relative to the existing lifting appliance, usually through the hook of building material is fixed, before hoisting, the staff needs to install the lifting ring on the building material, through the synchronous reverse direction movement of two clamping frames, make through the pressing plate to the clamping of building material, through the gravity of building material inside the mounting rack is inclined and slides down, while moving downward, will move towards the building material place, thereby increasing the clamping stability of building material, make building material not easy to fall, and the stability of clamping is good, reduced the operation step and time, improved the hoisting efficiency, avoided not only need to use the additional tool and equipment, and increased the operation step and time problem. ACCURACY OF DRAWINGS
[0013] Figure 1 It is whole structure schematic diagram of the utility model;
[0014] Figure 2 It is mounting rack structure schematic diagram of the utility model;
[0015] Figure 3 It is clamping assembly structure schematic diagram of the utility model;
[0016] Figure 4 It is mounting rack sectional structure schematic diagram of the utility model;
[0017] Figure 5 It is clamping block structure schematic diagram of the utility model.
[0018] Explanation of reference signs: 1, lifting appliance body; 21, motor; 22, first bevel gear; 23, second bevel gear; 24, bidirectional threaded rod; 25, first limiting shaft; 26, sliding block; 27, clamping frame; 28, mounting frame; 29, second limiting shaft; 210, pressing plate; 211, first spring; 212, rubber pad; 31, fixed block; 32, clamping block; 33, third limiting shaft; 34, second spring; 35, pushing block; 4, lifting ring. DETAILED DESCRIPTION
[0019] The utility model is further explained in connection with the drawings and examples.
[0020] Please refer to Figure 1 - Figure 5 The utility model provides a kind of lifting appliance for building material: a kind of lifting appliance, including lifting appliance body 1, still including first limiting shaft 25 and clamping assembly, the top of lifting appliance body 1 is fixedly connected with lifting ring 4, the inside of lifting appliance body 1 is fixedly connected with first limiting shaft 25, the outside of first limiting shaft 25 is slidably connected with sliding block 26, the bottom of sliding block 26 is fixedly connected with clamping frame 27, the inside of clamping frame 27 is provided with mounting frame 28, the inside of mounting frame 28 is fixedly connected with second limiting shaft 29, the outside of second limiting shaft 29 is slidably connected with pressing plate 210, pressing plate 210 is slidably connected in the inside of mounting frame 28, first spring 211 is fixedly connected between pressing plate 210 and mounting frame 28, the inner side of pressing plate 210 is fixedly connected with rubber pad 212, synchronous reverse direction movement is carried out by two clamping frames 27, so that building material is clamped and fixed by pressing plate 210, then lifting can be carried out by lifting ring 4, pressing plate 210 is inclined and slides downward in the inside of mounting frame 28 under the action of gravity of building material when lifting, it is moved towards building material while moving downward, to increase the clamping stability of building material, the clamping friction of building material is improved by rubber pad 212, so that building material is not easy to fall, clamping is better, the steps and time of operation are reduced, the efficiency of hoisting is improved, clamping assembly can be conveniently replaced mounting frame 28 equipped with pressing plate 210 or fixed with electromagnet for installation and disassembly according to needs, so that the stability of clamping is improved, clamping frame 27 is provided with two groups, two clamping frames 27 are symmetrically distributed in the inside of lifting appliance body 1, so that bidirectional threaded rod 24 is rotated, two clamping frames 27 are driven synchronous reverse direction movement respectively, so that building material is clamped and fixed by pressing plate 210.
[0021] Please refer to Figure 1 - Figure 4In the embodiment, the mounting rack 28 is provided with a matching groove at the corresponding position of the pressing plate 210, the pressing plate 210 slides in the groove of the mounting rack 28, so that the pressing plate 210 is inclined and slides downward in the mounting rack 28 under the action of the gravity of the building materials during lifting, moves downward while moving towards the building materials, thereby increasing the clamping stability of the building materials, the left end of the lifting appliance body 1 is fixedly connected with the motor 21, the output end of the motor 21 is fixedly connected with the first bevel gear 22, the outer part of the first bevel gear 22 is engaged with the second bevel gear 23, the inner part of the second bevel gear 23 is fixedly connected with the bidirectional threaded rod 24, the bidirectional threaded rod 24 is rotatably connected in the inner part of the lifting appliance body 1, the sliding block 26 is threadedly connected to the outer part of the bidirectional threaded rod 24, moves in the opposite direction synchronously through the two clamping frames 27, so that the building materials are clamped and fixed through the pressing plate 210, and then are lifted through the lifting ring 4, the pressing plate 210 is inclined and slides downward in the mounting rack 28 under the action of the gravity of the building materials during lifting, moves downward while moving towards the building materials, thereby increasing the clamping stability of the building materials, the rubber pad 212 increases the clamping friction force of the building materials, so that the building materials are not easy to fall off, the clamping is stable, the operation steps and time are reduced, and the lifting efficiency is improved, the clamping frame 27 is provided with a matching groove at the corresponding position of the mounting rack 28, the mounting rack 28 is arranged in the groove of the clamping frame 27, so that the mounting rack 28 is conveniently mounted in the inner part of the clamping frame 27, and the stability is improved.
[0022] Please refer to Figure 3 、 Figure 5 In the embodiment, the clamping assembly comprises a fixed block 31 fixedly connected to the outer side of the clamping frame 27, a clamping block 32 slidably connected to the inner part of the clamping frame 27, the clamping block 32 is clamped in the inner part of the mounting rack 28, a third limiting shaft 33 fixedly connected to the outer side of the clamping block 32, the third limiting shaft 33 is slidably connected to the inner part of the fixed block 31, a second spring 34 fixedly connected between the clamping block 32 and the fixed block 31, a pushing block 35 fixedly connected to the outer part of the third limiting shaft 33, so that the mounting rack 28 provided with the pressing plate 210 or the electromagnet can be conveniently mounted and dismounted according to the need, the clamping stability is improved, the mounting rack 28 is provided with a matching groove at the corresponding position of the clamping block 32, the clamping block 32 is clamped in the groove of the mounting rack 28, so that the mounting rack 28 is mounted and dismounted through the cooperation of the clamping block 32 and the groove, and the convenience is improved.
[0023] When working, first move the lifting appliance body 1 to the designated position, make the two pressing plates 210 between the building materials to be clamped, then start the motor 21, the motor 21 drives the first bevel gear 22 to rotate, through the meshing of the first bevel gear 22 and the second bevel gear 23, the bidirectional threaded rod 24 is driven to rotate in the lifting appliance body 1, the first limiting shaft 25 limits the sliding block 26, the two clamping frames 27 are driven to move in the opposite direction synchronously, so that the building materials are clamped and fixed by the pressing plate 210, then the lifting ring 4 can be used for lifting, when lifting, the pressing plate 210 is inclined and slides downward in the mounting frame 28 under the action of the gravity of the building materials, the first spring 211 is compressed, and moves downward while moving towards the building materials, so as to increase the clamping stability of the building materials, the rubber pad 212 increases the clamping friction force of the building materials, so that the building materials are not easy to fall off, the clamping is stable, when clamping metal building materials are needed, the knob 35 can be pushed outward, the clamping block 32 is driven to move away from the mounting frame 28, the mounting frame 28 is taken out from the slot of the clamping frame 27, the mounting frame 28 fixed with the electromagnet is replaced, the mounting frame 28 fixed with the electromagnet is aligned with the corresponding slot of the clamping frame 27, the mounting frame 28 fixed with the electromagnet is inserted into the clamping frame 27, through the arc end of the clamping block 32, when the mounting frame 28 is in contact with the clamping block 32, the clamping block 32 is driven to move outward, the second spring 34 is compressed, when the mounting frame 28 is inserted to the deepest end of the clamping frame 27, the slot of the mounting frame 28 corresponding to the clamping block 32 is in the corresponding position of the clamping block 32, at this time, the second spring 34 drives the clamping block 32 to reset through its elasticity, the clamping block 32 is clamped in the mounting frame 28, and the mounting frame 28 fixed with the electromagnet is fixed, through the cooperation of the electromagnet and the mounting frame 28, the metal material can be more firmly magnetically attracted and reinforced, and the stability is improved.
[0024] Through the above steps, the two clamping frames 27 are moved in the opposite direction synchronously, the building materials are clamped and fixed by the pressing plate 210, the building materials are inclined and slide downward in the mounting frame 28 under the action of the gravity, and move downward while moving towards the building materials, so as to increase the clamping stability of the building materials, so as to solve the problems that additional tools and equipment are needed, and the operation steps and time are increased.
Claims
1. A lifting device for lifting building materials, comprising a lifting device body (1), characterized in that: The first limiting shaft (25) and the clamping assembly are further included, the top of the lifting appliance body (1) is fixedly connected with the lifting ring (4), the inside of the lifting appliance body (1) is fixedly connected with the first limiting shaft (25), the outside of the first limiting shaft (25) is slidably connected with the sliding block (26), the bottom of the sliding block (26) is fixedly connected with the clamping frame (27), the inside of the clamping frame (27) is provided with the mounting rack (28), the inside of the mounting rack (28) is fixedly connected with the second limiting shaft (29), the outside of the second limiting shaft (29) is slidably connected with the pressing plate (210), the pressing plate (210) is slidably connected in the inside of the mounting rack (28), the first spring (211) is fixedly connected between the pressing plate (210) and the mounting rack (28), the inner side of the pressing plate (210) is fixedly connected with the rubber pad (212).
2. A sling for hoisting building materials as claimed in claim 1 wherein: The clamping frame (27) is provided with two groups, and the two groups of clamping frames (27) are symmetrically distributed in the inside of the lifting appliance body (1).
3. The sling for hoisting building materials according to claim 1, characterized in that: The mounting rack (28) is provided with a groove corresponding to the position of the pressing plate (210), and the pressing plate (210) slides in the groove of the mounting rack (28).
4. The lifting device according to claim 1, wherein: The left end of the lifting appliance body (1) is fixedly connected with the motor (21), the output end of the motor (21) is fixedly connected with the first bevel gear (22), the outside of the first bevel gear (22) is engaged with the second bevel gear (23), the inside of the second bevel gear (23) is fixedly connected with the bidirectional threaded rod (24), the bidirectional threaded rod (24) is rotatably connected in the inside of the lifting appliance body (1), and the sliding block (26) is threadedly connected to the outside of the bidirectional threaded rod (24).
5. A sling for hoisting building materials as claimed in claim 4 wherein: The mounting rack (28) is provided in the groove of the clamping frame (27).
6. The lifting device of claim 1, wherein: The clamping assembly includes a fixed block (31), the fixed block (31) is fixedly connected to the outside of the clamping frame (27), the inside of the fixed block (31) is slidably connected with the clamping block (32), the clamping block (32) is slidably connected in the inside of the clamping frame (27), the clamping block (32) is clamped in the inside of the mounting rack (28), the outside of the clamping block (32) is fixedly connected with the third limiting shaft (33), the third limiting shaft (33) is slidably connected in the inside of the fixed block (31), the second spring (34) is fixedly connected between the clamping block (32) and the fixed block (31), and the outside of the third limiting shaft (33) is fixedly connected with the pushing block (35).
7. A sling for hoisting building materials as claimed in claim 6 wherein: The mounting rack (28) is provided with a groove corresponding to the position of the clamping block (32), and the clamping block (32) is clamped in the groove of the mounting rack (28).