CN221917235U - Lifting machinery for building - Google Patents

Abstract

The utility model discloses a lifting machine for a building, and relates to the technical field of building machines. The lifting machine for the building comprises a lifting table, wherein an inlet and an outlet are formed in the rear side of the lifting table, connecting plates are fixedly mounted on the outer walls of the two sides of the lifting table respectively, a U-shaped plate is arranged below the connecting plates, universal wheels are movably mounted at the bottoms of the U-shaped plates, and the lifting machine further comprises butterfly bolts which are mounted on the U-shaped plates in a threaded mode. This elevating machine for building for the bottom of elevating platform can carry out the parallel and level with the platform, at the in-process that goes up and down to the material, can promote the inboard of elevating platform with material dolly jointly with the material, be convenient for go up and down to the material through expansion bracket and pushing assembly, in addition through the cooperation of butterfly bolt with the cushion, can adjust the corner height of U template, face uneven platform, also can make the U template be in the horizontality, avoid the material to take place to empty at the in-process that goes up and down, improve the security of device.

Description

A lifting machine for construction

Technical Field

The utility model relates to the technical field of construction machinery, in particular to a lifting machinery for construction.

Background Art

A lifting mechanical device for construction engineering with publication number CN213626565U includes, from bottom to top, a movable base, a lifting mechanism and a bearing platform, wherein the bearing platform includes a bearing base, and a protective frame is slidably connected to the bearing base through a second driving mechanism, and the driving direction of the second driving mechanism is horizontal driving, so that the lifting mechanical device can not only realize the lifting and moving in the vertical direction but also realize the left and right movement in the horizontal direction, and can adjust the horizontal position of the bearing platform without moving the lifting mechanical device, thereby solving the cumbersome horizontal adjustment of the existing lifting mechanical device during use, overcoming the problem of limited use, and achieving convenient and fast adjustment, saving working time, improving work efficiency, and improving the practicality, practicability and comprehensiveness of the lifting mechanical device.

However, the carrying platform of the above-mentioned device is at a certain height from the ground. In the process of lifting materials, the materials in the material cart need to be moved to the carrying platform. After the materials are lifted, the materials need to be placed in the material cart again, which makes the material lifting more cumbersome.

Utility Model Content

The purpose of the utility model is to provide a construction lifting machine to solve the problems and defects raised by the above-mentioned background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting machinery for construction, including a lifting platform, an inlet and outlet are opened on the rear side of the lifting platform, connecting plates are fixedly installed on the outer walls of both sides of the lifting platform, a U-shaped plate is arranged under the connecting plate, a universal wheel is movably installed on the bottom of the U-shaped plate, and also includes a butterfly bolt threadedly installed on the U-shaped plate, a pad is fixedly installed on the bottom of the butterfly bolt, and the butterfly bolt is used to adjust the height of the lifting platform. When facing an uneven platform, the U-shaped plate can also be kept in a horizontal state to prevent materials from tipping over during the lifting process, thereby improving the safety of the device, and a telescopic frame is installed between the connecting plate and the U-shaped plate, and pushing components are installed on the top and bottom of the telescopic frame, and the pushing components are used to adjust the height of the connecting plate and the lifting platform.

Preferably, the pushing assembly includes a movable block A, a movable block B, a fixed block and a threaded rod, the bottoms of the two groups of connecting plates are provided with sliding grooves, the movable block A has two groups that are slidably installed in the two groups of sliding grooves respectively, the U-shaped plate has a U-shaped guide groove, the movable block B has two groups that are slidably installed in the U-shaped guide groove, the fixed block has two groups that are fixedly installed in the U-shaped guide groove, the threaded rod has two groups that are rotatably installed on the front and rear sides of the U-shaped guide groove, the movable block B is threadedly installed on the outer wall of the threaded rod, and the fixed block is rotatably installed on the outer wall of the threaded rod.

Preferably, the pushing assembly also includes gears, synchronous belts and motors, and there are two groups of gears fixedly mounted on the outer walls of the two groups of threaded rods, the synchronous belts are sleeved on the outsides of the two groups of gears, and the synchronous belts are meshed with the two groups of gears. The motor is fixedly mounted on the outer wall of the U-shaped plate, and the output shaft of the motor is fixedly mounted on one end of one of the groups of threaded rods, so that the bottom of the lifting platform can be flush with the platform. In the process of lifting materials, the materials and the material cart can be pushed to the inner side of the lifting platform together, which is convenient for lifting materials.

Preferably, a baffle is hingedly installed on one side of the inlet and outlet, a fixing box is fixedly installed on the front side of the baffle, an insertion block is slidably installed on the inner side of the fixing box, a socket is opened on one side of the fixing box and one side of the lifting platform, and one end of the insertion block extends into the socket.

Preferably, one end of the insert block is arranged in an arc shape, a push spring is placed inside the fixing box, and the push spring is in contact with the insert block.

Preferably, a movable groove is opened on the front side of the fixing box, the push-pull rod is movably installed in the movable groove, and the push-pull rod is fixedly installed on the front side of the insert block.

Preferably, the telescopic frame is hingedly mounted on the bottom of the connecting plate, the bottom of the movable block A, the top of the movable block B, and the top of the fixed block.

Compared with the prior art, the beneficial effects of the utility model are:

The construction lifting machinery allows the bottom of the lifting platform to be flush with the platform. During the process of lifting materials, the materials and the material trolley can be pushed together to the inside of the lifting platform, which is convenient for lifting the materials through the telescopic frame and the pushing assembly. In addition, the height of the corners of the U-shaped plate can be adjusted through the cooperation of the butterfly bolts and the pads. When facing an uneven platform, the U-shaped plate can also be kept in a horizontal state to prevent the materials from tipping over during the lifting process, thereby improving the safety of the device.

BRIEF DESCRIPTION OF THE DRAWINGS

The utility model is further described below in conjunction with the accompanying drawings and embodiments:

Fig. 1 is a schematic diagram of the structure of the utility model;

FIG2 is a cross-sectional view of the connecting plate and the U-shaped plate of the utility model;

FIG3 is a cross-sectional view of a fixing box of the present invention.

Figure numerals: 1. lifting platform; 2. connecting plate; 3. U-shaped plate; 4. telescopic frame; 5. movable block A; 6. movable block B; 7. fixed block; 8. threaded rod; 9. gear; 10. synchronous belt; 11. motor; 12. universal wheel; 13. butterfly bolt; 14. spacer block; 15. baffle; 16. fixed box; 17. insert block; 18. push spring; 19. push-pull rod.

DETAILED DESCRIPTION

This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

Please refer to Figures 1-3. The utility model provides a technical solution: a lifting machinery for construction, including a lifting platform 1, an inlet and outlet are opened on the rear side of the lifting platform 1, connecting plates 2 are fixedly installed on the outer walls of both sides of the lifting platform 1, a U-shaped plate 3 is arranged below the connecting plate 2, a universal wheel 12 is movably installed at the bottom of the U-shaped plate 3, and also includes a butterfly bolt 13 threadedly installed on the U-shaped plate 3, a pad 14 is fixedly installed at the bottom of the butterfly bolt 13, and the butterfly bolt 13 is used to adjust the height of the lifting platform 1. When facing an uneven platform, the U-shaped plate 3 can also be kept in a horizontal state to prevent materials from tipping over during the lifting process, thereby improving the safety of the device, and a telescopic frame 4 is installed between the connecting plate 2 and the U-shaped plate 3. The top and bottom of the telescopic frame 4 are installed with pushing components, and the pushing components are used to adjust the height of the connecting plate 2 and the lifting platform 1.

The pushing assembly includes a movable block A5, a movable block B6, a fixed block 7 and a threaded rod 8. The bottoms of the two groups of connecting plates 2 are provided with sliding grooves. The movable blocks A5 have two groups that are slidably installed in the two groups of sliding grooves respectively. The U-shaped plate 3 has a U-shaped guide groove. The movable blocks B6 have two groups that are slidably installed in the U-shaped guide groove. The fixed blocks 7 have two groups that are fixedly installed in the U-shaped guide groove. The threaded rod 8 has two groups that are rotatably installed on the front and rear sides of the U-shaped guide groove. The movable block B6 is threadedly installed on the outer wall of the threaded rod 8, and the fixed block 7 is rotatably installed on the outer wall of the threaded rod 8.

The pushing assembly also includes gears 9, synchronous belts 10 and motors 11. There are two groups of gears 9, which are respectively fixedly installed on the outer walls of the two groups of threaded rods 8. The synchronous belts 10 are sleeved on the outer sides of the two groups of gears 9, and the synchronous belts 10 are meshed with the two groups of gears 9. The motor 11 is fixedly installed on the outer wall of the U-shaped plate 3, and the output shaft of the motor 11 is fixedly installed on one end of one group of threaded rods 8, so that the bottom of the lifting platform 1 can be flush with the platform. In the process of lifting materials, the materials and the material cart can be pushed to the inner side of the lifting platform 1 together, which is convenient for lifting materials.

A fixing box 16 is fixedly installed on the front side of the baffle 15, and an insert block 17 is slidably installed inside the fixing box 16. A plug hole is opened on one side of the fixing box 16 and one side of the lifting platform 1, and one end of the plug block 17 extends into the plug hole.

A baffle 15 is hingedly installed on one side of the inlet and outlet. One end of the insert block 17 is arranged in an arc shape. A push spring 18 is placed inside the fixing box 16 , and the push spring 18 is in contact with the insert block 17 .

A movable groove is formed on the front side of the fixing box 16 , and the push-pull rod 19 is movably installed in the movable groove, and the push-pull rod 19 is fixedly installed on the front side of the insert block 17 .

The telescopic frame 4 is hingedly mounted on the bottom of the connecting plate 2 , the bottom of the movable block A5 , the top of the movable block B6 , and the top of the fixed block 7 .

Working principle: the lifting machine is pushed into the use area, and the butterfly bolt 13 is manually twisted to rotate the butterfly bolt 13 and the pad 14 relative to the U-shaped plate 3 and move downward, so that the corner height of the U-shaped plate 3 can be adjusted, so that the U-shaped plate 3 is in a horizontal state, and the push-pull rod 19 is manually pushed to the left, so that the push-pull rod 19 drives the plug 17 to move, so that the plug 17 can be moved out of the hole, so that the staff can push the baffle 15 to open and close the inlet and outlet of the lifting platform 1, so as to facilitate the materials and the material trolley to be pushed to the inner side of the lifting platform 1, and the motor 11 is started. The output shaft of the motor 11 drives the threaded rod 8 and the gear 9 to rotate, and the gear 9 drives another set of gears 9 and the threaded rod 8 to rotate through the synchronous belt 10, and the rotation of the threaded rod 8 drives the movable block B6 and one end of the telescopic frame 4 to move, so that the telescopic frame 4 can raise or lower the movable block A5, the connecting plate 2 and the lifting platform 1, so as to facilitate the lifting of the materials and the material trolley.

The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims (7)

1. A construction lifting machine, comprising a lifting platform (1), an inlet and outlet are provided at the rear side of the lifting platform (1), connecting plates (2) are fixedly installed on the outer walls of both sides of the lifting platform (1), a U-shaped plate (3) is arranged below the connecting plate (2), and a universal wheel (12) is movably installed at the bottom of the U-shaped plate (3), characterized in that it also includes: A butterfly bolt (13) is threadedly mounted on the U-shaped plate (3), a cushion block (14) is fixedly mounted on the bottom of the butterfly bolt (13), and the butterfly bolt (13) is used to adjust the height of the lifting platform (1); A telescopic frame (4) is installed between the connecting plate (2) and the U-shaped plate (3), and a pushing assembly is installed at the top and bottom of the telescopic frame (4). The pushing assembly is used to adjust the height of the connecting plate (2) and the lifting platform (1). 2. A construction lifting machinery according to claim 1, characterized in that: the pushing assembly comprises a movable block A (5), a movable block B (6), a fixed block (7) and a threaded rod (8), the bottoms of the two groups of connecting plates (2) are provided with sliding grooves, the movable block A (5) has two groups respectively slidably installed in the two groups of sliding grooves, the U-shaped plate (3) has a U-shaped guide groove, the movable block B (6) has two groups both slidably installed in the U-shaped guide groove, the fixed block (7) has two groups both fixedly installed in the U-shaped guide groove, the threaded rod (8) has two groups both rotatably installed on the front and rear sides of the U-shaped guide groove, the movable block B (6) is threadedly installed on the outer wall of the threaded rod (8), and the fixed block (7) is rotatably installed on the outer wall of the threaded rod (8). 3. A construction lifting machine according to claim 2, characterized in that: the pushing assembly also includes gears (9), synchronous belts (10) and motors (11), the gears (9) have two groups respectively fixedly mounted on the outer walls of the two groups of threaded rods (8), the synchronous belts (10) are sleeved on the outside of the two groups of gears (9), and the synchronous belts (10) are meshed with the two groups of gears (9), the motor (11) is fixedly mounted on the outer wall of the U-shaped plate (3), and the output shaft of the motor (11) is fixedly mounted on one end of one group of threaded rods (8). 4. A construction lifting machinery according to claim 3, characterized in that: a baffle (15) is hingedly installed on one side of the inlet and outlet, a fixing box (16) is fixedly installed on the front side of the baffle (15), an insert block (17) is slidably installed on the inner side of the fixing box (16), and a socket is provided on one side of the fixing box (16) and one side of the lifting platform (1), and one end of the insert block (17) extends into the socket. 5. A construction lifting machine according to claim 4, characterized in that one end of the insert block (17) is arranged in an arc shape, a push spring (18) is placed inside the fixing box (16), and the push spring (18) is in contact with the insert block (17). 6. A construction lifting machine according to claim 5, characterized in that: a movable groove is opened on the front side of the fixed box (16), the push-pull rod (19) is movably installed in the movable groove, and the push-pull rod (19) is fixedly installed on the front side of the plug block (17). 7. A construction lifting machine according to claim 6, characterized in that the telescopic frame (4) is hingedly mounted on the bottom of the connecting plate (2), the bottom of the movable block A (5), the top of the movable block B (6), and the top of the fixed block (7).