Lifting device for building construction

Abstract

The lifting device for building construction comprises a movable base, a lifting platform is arranged above the movable base, a telescopic frame is arranged between the movable base and the lifting platform, movable blocks are rotationally arranged at the bottom ends of the two sides of the telescopic frame, and the movable blocks are arranged in sliding grooves formed in the surface of the movable base in a sliding mode. A motor is fixed to the side face of the movable base, a two-way threaded rod is rotationally installed on the movable base, the movable base, the telescopic frame, the motor, the two-way threaded rod, a movable block, a sliding block, a guide rod and a lifting table are arranged, the position of the lifting table can be conveniently moved through the movable base, and the two-way threaded rod is driven by the motor to rotate; the two-way threaded rod rotates to drive the two moving blocks to get close to or get away from each other, the moving blocks move to drive the telescopic frame to move, extension or contraction of the telescopic frame is achieved, the telescopic frame moves through cooperation of the sliding blocks and the guide rods, the lifting table is driven to move up and down, and height adjustment of the lifting table is achieved.

Description

Technical Field

[0001] This utility model relates to the technical field of building construction lifting devices, specifically a building construction lifting device. Background Technology

[0002] Construction refers to the production activities during the implementation phase of an engineering project. It is the process of building various types of structures, or the process of turning the lines on design drawings into a physical object at a designated location. It includes foundation construction, main structure construction, roofing construction, and decoration construction. The site where construction work takes place is called the "construction site" or "worksite." Construction hoists are also known as construction elevators or construction lifts.

[0003] Currently, most elevators used by staff lack protective measures, posing a significant risk. Even those elevators with protective measures often have inconveniently adjustable guardrails, limiting their use and making it difficult for staff to enter and for goods to be moved. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this utility model provides a lifting device for building construction.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] This utility model discloses a lifting device for building construction, comprising a movable base, a lifting platform above the movable base, and a telescopic frame between the movable base and the lifting platform. Movable blocks are rotatably mounted on both bottom ends of the telescopic frame, and the movable blocks are slidably disposed within grooves opened on the surface of the movable base. A motor is fixed to the side of the movable base, and a bidirectional threaded rod is rotatably mounted on the movable base. The end of the bidirectional threaded rod is fixedly connected to the output shaft of the motor. Two movable blocks are respectively threaded onto the two outer threads of the bidirectional threaded rod. Slider blocks are rotatably mounted on both top ends of the telescopic frame. A guide rod is fixed to the bottom end of the lifting platform, and the sliders are slidably disposed on the outer surface of the guide rod.

[0007] In the above scheme, it should be noted that the motor is electrically connected to an external controller via an external power supply.

[0008] As a preferred embodiment of this utility model, the surface of the lifting platform is surrounded and fixed with four protective frames, and protective plates are slidably arranged on the protective frames.

[0009] As a preferred embodiment of this utility model, at least one plug is slidably provided on the protective frame, and a pull plate is fixed to the end of the plug. The protective plate has multiple insertion holes for the plug to be inserted.

[0010] As a preferred embodiment of this utility model, a locking spring is sleeved on the outer surface of the plug, and the two ends of the locking spring are respectively fixed on the pull plate and the protective frame.

[0011] As a preferred technical solution of this utility model, two anti-fall plates are fixed on the surface of the movable base, and a channel for the anti-fall plates to move is opened on the lifting platform. Two limit blocks are rotatably installed on the lifting platform via a rotating shaft. The two limit blocks are respectively set in two channels. The top of the limit block is provided with an arc surface, and a slot for cooperating with the limit block is opened on the anti-fall plate.

[0012] As a preferred embodiment of this utility model, an arc-shaped rod is fixed to the bottom of the limiting block, the arc-shaped rod is slidably mounted on the lifting platform, and a return spring is sleeved on the outer surface of the arc-shaped rod. The two ends of the return spring are respectively fixed to the limiting block and the lifting platform.

[0013] The beneficial effects of this utility model are:

[0014] 1. This type of construction lifting device comprises a movable base, a telescopic frame, a motor, a bidirectional threaded rod, movable blocks, a slider, a guide rod, and a lifting platform. The movable base facilitates the movement of the lifting platform. The motor drives the bidirectional threaded rod to rotate, which in turn causes two movable blocks to move closer or further apart. The movement of the movable blocks drives the telescopic frame to extend or retract. The movement of the telescopic frame, through the cooperation of the slider and the guide rod, drives the lifting platform to move up and down, thereby adjusting the height of the lifting platform for use at different heights.

[0015] 2. This type of construction lifting device, by setting up a protective frame and a protective plate, can protect workers or goods by using the protective frame, improve work safety and prevent accidents, while the protective plate can adjust the protective height to meet different usage needs, making it convenient to use.

[0016] 3. This type of construction lifting device, by setting up an anti-fall plate and a limiting block, utilizes the cooperation of the limiting block and the anti-fall plate. When the lifting platform moves upward, it drives the limiting block to move synchronously. The arc shape on the limiting block cooperates with the slot to drive the limiting block to rotate downward, ensuring the normal lifting movement of the lifting platform. When the lifting platform moves downward, the bottom of the limiting block will fit into the slot. The anti-fall plate limits the lower part of the limiting block, and at the same time, the lifting platform limits the upper part of the limiting block, locking the lifting platform and preventing it from falling. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a structural schematic diagram of a lifting device for building construction according to this utility model;

[0019] Figure 2 This is a cross-sectional structural schematic diagram of a movable base for a lifting device used in building construction according to this utility model.

[0020] Figure 3 This is a structural schematic diagram of a fall arrestor plate for a lifting device used in building construction according to this utility model;

[0021] Figure 4 This is a structural schematic diagram of a limiting block for a lifting device used in building construction according to this utility model;

[0022] Figure 5 This is a cross-sectional structural schematic diagram of a protective frame for a lifting device used in building construction according to this utility model.

[0023] Figure 6 This utility model relates to a lifting device for building construction. Figure 5 A magnified structural diagram at point A.

[0024] In the diagram: 1. Movable base; 2. Bidirectional threaded rod; 3. Telescopic frame; 4. Moving block; 5. Motor; 6. Slider; 7. Guide rod; 8. Lifting platform; 9. Protective frame; 10. Protective plate; 11. Pull plate; 12. Bolt; 13. Locking spring; 14. Anti-fall plate; 15. Limit block; 16. Arc rod; 17. Return spring. Detailed Implementation

[0025] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0026] Example: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, this utility model discloses a lifting device for construction, including a movable base 1, a lifting platform 8 above the movable base 1, and a telescopic frame 3 between the movable base 1 and the lifting platform 8. Movable blocks 4 are rotatably mounted on both bottom ends of the telescopic frame 3, and the movable blocks 4 are slidably disposed in a groove opened on the surface of the movable base 1. A motor 5 is fixed to the side of the movable base 1, and a bidirectional threaded rod 2 is rotatably mounted on the movable base 1. The end of the bidirectional threaded rod 2 is fixedly connected to the output shaft of the motor 5. Two movable blocks 4 are respectively threaded onto the two outer threads of the bidirectional threaded rod 2. Slider blocks 6 are rotatably mounted on both top ends of the telescopic frame 3. A guide rod 7 is fixed to the bottom end of the lifting platform 8, and the slider 6 is slidably disposed on the outer surface of the guide rod 7.

[0027] By setting up a movable base 1, a telescopic frame 3, a motor 5, a bidirectional threaded rod 2, a moving block 4, a slider 6, a guide rod 7, and a lifting platform 8, the movable base 1 facilitates the movement of the lifting platform 8. The motor 5 drives the bidirectional threaded rod 2 to rotate, which in turn drives the two moving blocks 4 to move closer or further apart. The movement of the moving blocks 4 drives the telescopic frame 3 to move, thus extending or retracting the telescopic frame 3. The movement of the telescopic frame 3, through the cooperation of the slider 6 and the guide rod 7, drives the lifting platform 8 to move up and down, thereby adjusting the height of the lifting platform 8 to facilitate work at different heights.

[0028] Among them, four protective frames 9 are fixed around the surface of the lifting platform 8, and protective plates 10 are slidably installed on the protective frames 9;

[0029] By setting up a protective frame 9 and a protective plate 10, the protective frame 9 can protect workers or goods, improve work safety, and prevent accidents. At the same time, the protective plate 10 can adjust the height of the protection, which can be adjusted according to different usage needs, making it convenient to use.

[0030] The protective frame 9 is provided with at least one plug 12, and the end of the plug 12 is fixed with a pull plate 11. The protective plate 10 is provided with a plurality of holes for the plug 12 to be inserted.

[0031] By setting up a pull plate 11 and a plug 12, the plug 12 can be inserted into the socket to fix the protective frame 9 and the protective plate 10, and to lock the height of the protective plate 10. Pulling the pull plate 11 will move the plug 12 and release the plug 12 from the socket, thus releasing the fixation of the protective plate 10. The operation is simple and convenient.

[0032] Among them, a locking spring 13 is sleeved on the outer surface of the plug 12, and the two ends of the locking spring 13 are fixed on the pull plate 11 and the protective frame 9 respectively;

[0033] By setting a locking spring 13, the stability of the bolt 12 can be improved, and the bolt 12 can be prevented from falling off, thus improving the stability of use.

[0034] Among them, two anti-fall plates 14 are fixed on the surface of the mobile base 1, and a channel for the anti-fall plates 14 to move is opened on the lifting platform 8. Two limit blocks 15 are rotatably installed on the lifting platform 8 through a rotating shaft. The two limit blocks 15 are respectively set in the two channels. The top of the limit block 15 is provided with an arc surface, and the anti-fall plate 14 is provided with a slot for cooperating with the limit block 15.

[0035] By setting up a fall arrestor 14 and a limiting block 15, the limiting block 15 and the fall arrestor 14 work together. When the lifting platform 8 moves upward, it drives the limiting block 15 to move synchronously. The arc shape on the limiting block 15 cooperates with the slot to drive the limiting block 15 to rotate downward, ensuring that the lifting platform 8 moves upward normally. When the lifting platform 8 moves downward, the bottom of the limiting block 15 will fit into the slot. The fall arrestor 14 limits the lower part of the limiting block 15, and at the same time, the lifting platform 8 limits the upper part of the limiting block 15, locking the lifting platform 8 and preventing the lifting platform 8 from falling.

[0036] Among them, the bottom of the limiting block 15 is fixed with an arc-shaped rod 16, the arc-shaped rod 16 is slidably set on the lifting platform 8, and the outer surface of the arc-shaped rod 16 is fitted with a return spring 17, the two ends of the return spring 17 are respectively fixed on the limiting block 15 and the lifting platform 8.

[0037] By setting a reset spring 17 and using the arc rod 16 to limit and guide the limit block 15, the reset spring 17 can quickly return the limit block 15 to its original position, ensuring the normal operation of the limit block 15.

[0038] During operation, the motor 5 is started, which drives the bidirectional threaded rod 2 to rotate. The rotation of the bidirectional threaded rod 2 drives the two moving blocks 4 to move closer or further apart. The movement of the moving blocks 4 drives the telescopic frame 3 to move, thus extending or retracting the telescopic frame 3. The movement of the telescopic frame 3, through the cooperation of the slider 6 and the guide rod 7, drives the lifting platform 8 to move up and down, thus adjusting the height of the lifting platform 8. By pulling the pull plate 11, the bolt 12 is moved, and the bolt 12 is released from the socket, thus releasing the fixation of the protective plate 10. After adjusting the height of the protective plate 10 to the appropriate position, the pull plate 11 is released, and the bolt 12 is inserted into the socket under the action of the locking spring 13, thus locking the protective plate 10.

[0039] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A hoisting device for construction work, characterized in that The utility model relates to a movable base (1) is provided with the lifting platform (8) on the top, and is equipped with telescopic frame (3) between movable base (1) and lifting platform (8), both sides bottom end of telescopic frame (3) are rotated with movable block (4), movable block (4) is slidably arranged in the sliding slot of movable base (1) surface, the side of movable base (1) is fixed with motor (5), and movable base (1) is rotatably installed with two -way threaded rod (2), the end of two -way threaded rod (2) is fixedly connected with the output shaft of motor (5), two movable block (4) are respectively threadedly installed on the two -way threaded rod (2) two section threaded outer surface, both sides top end of telescopic frame (3) are rotatably installed with sliding block (6), the bottom of lifting platform (8) is fixed with guide rod (7), sliding block (6) is slidably arranged on the outer surface of guide rod (7); The surface of movable base (1) is fixed with two anti -falling plates (14), the lifting platform (8) is provided with passageway for the movement of anti -falling plate (14), the lifting platform (8) is rotatably installed with two limit blocks (15) through the pivot, two limit blocks (15) are arranged in two passageways respectively, the top of limit block (15) is equipped with arc surface, the anti -falling plate (14) is provided with the clamping groove that is used with limit block (15) opening, The bottom of limit block (15) is fixed with arc rod (16), arc rod (16) is slidably arranged on the lifting platform (8), the outer surface of arc rod (16) is equipped with reset spring (17), and the two ends of reset spring (17) are fixed on limit block (15) and lifting platform (8) respectively.

2. The hoisting device for construction according to claim 1, wherein The surface of lifting platform (8) is surrounded and fixed with four protective frames (9), and the protective plate (10) is slidably arranged on the protective frame (9).

3. The hoisting device for construction according to claim 2, wherein At least one plug (12) is slidably arranged on the protective frame (9), and the end of plug (12) is fixed with a pulling plate (11), and a plurality of insertion holes are formed in the protective plate (10) for the insertion of plug (12).

4. The hoisting device for building construction according to claim 3, wherein The outer surface of plug (12) is equipped with locking spring (13), and the two ends of locking spring (13) are fixed on pulling plate (11) and protective frame (9) respectively.

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