Elevator with positioning function

Abstract

The utility model discloses an elevator with a positioning function, and relates to the technical field of elevators. Comprising a bottom box, two pairs of moving wheels are arranged on the lower wall face of the bottom box, a lifting mechanism is arranged in the bottom box, a door-shaped frame is arranged on the upper wall face of the bottom box, a second motor is arranged on the upper wall face of the door-shaped frame, and a second threaded rod is arranged at the driving end of the second motor; the second threaded rod is rotationally connected between the lower wall face of the door-shaped frame and the upper wall face of the bottom box, a sliding rod is connected between the lower wall face of the door-shaped frame and the upper wall face of the bottom box, the second threaded rod is in threaded connection with a lifting plate, and the lifting plate is installed on the sliding rod in a sliding mode. A structure used for improving positioning stability is designed, the device can improve the stability of articles during lifting transportation by clamping and fixing the articles, has a good positioning function, cannot be separated due to sudden stopping of lifting, can be conveniently adjusted, moved and fixed, and is high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to an elevator with a positioning function. Background Art

[0002] An elevator is a supporting device for lifting. A reciprocating elevator is also called a reciprocating elevator or a reciprocating vertical elevator. It is a vertical elevator used for high-altitude transportation of objects. It has good lifting stability and a large load capacity. With the continuous development of science and technology, people have higher and higher requirements for the manufacturing process of elevators.

[0003] In the process of realizing the present invention, the inventor discovered that the prior art has the following problems: the existing elevator has certain disadvantages when in use. First, when in use, the stability of the tray cannot meet the requirements well. When the lifting stops, the items will continue to rise due to inertia and then fall down, which will not only make the items inaccurately positioned, but also may cause the items to fall off. Secondly, it is inconvenient to adjust and switch between mobile and fixed modes, which has a certain adverse effect on the actual use process. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides a hoist with a positioning function, which solves certain drawbacks of the existing hoists when in use. First, when in use, the stability of the tray cannot meet the requirements well. When the lifting stops, the items will continue to rise due to inertia and then fall down, which will not only make the positioning of the items inaccurate, but also may cause the items to fall off. Secondly, it is inconvenient to adjust and switch between mobile and fixed modes, which has certain adverse effects on the actual use process.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a hoist with a positioning function, comprising a bottom box, the lower wall of the bottom box is provided with two pairs of moving wheels, a lifting mechanism is provided in the bottom box, the upper wall of the bottom box is provided with a door frame, the upper wall of the door frame is provided with a second motor, the driving end of the second motor is provided with a second threaded rod, the second threaded rod is rotatably connected between the lower wall of the door frame and the upper wall of the bottom box, a sliding rod is connected between the lower wall of the door frame and the upper wall of the bottom box, and the second threaded rod is provided with a second threaded rod. A lifting plate is threadedly connected to the threaded rod, and the lifting plate is slidably installed on the sliding rod. A cylinder is provided on the lifting plate, and a third motor is provided on the outer wall of the cylinder. A third threaded rod is provided on the driving end of the third motor. The third threaded rod is rotatably connected to the cylinder, and a pair of slide grooves are provided in the cylinder. A sleeve rod is movably installed in the cylinder, and the sleeve rod is threadedly connected to the third threaded rod. A pair of sleeve rods are provided on the side wall of the sleeve rod, and a pair of sliders are respectively slidably installed in a pair of slide grooves, and one end of the sleeve rod is connected to a clamping mechanism.

[0006] Preferably, the clamping mechanism includes a pair of short plates installed on the side wall of the cylinder, a pair of short rods are connected between the pair of short plates, a pair of short rods are provided with gears and clamping rods, and a two-way rack is provided at one end of the sleeve rod, and the two-way rack is meshed with the pair of gears.

[0007] Preferably, the lifting mechanism includes a first motor installed on the lower wall of the bottom box, the driving end of the first motor is provided with a first threaded rod, the first threaded rod is rotatably connected between the upper and lower walls of the bottom box, a flat plate is threadedly connected to the first threaded rod, the lower end of the flat plate is provided with two pairs of legs, and the two pairs of legs are movably inserted into the lower wall of the bottom box.

[0008] Preferably, an anti-slip layer is provided on the outer side of one end of a pair of the clamping rods.

[0009] Preferably, the pair of clamping rods are both arc-shaped structures.

[0010] Beneficial effects

[0011] The utility model provides a lifting machine with a positioning function. The utility model is designed with a structure for increasing positioning stability. First, the device is moved by moving wheels. When adjustment and fixation are required, the first motor is started to drive the support feet to move down to support and fix them on the ground. An object is placed on the lifting plate, and the object is located between a pair of clamping rods. The third motor is started to drive the pair of clamping rods to rotate and clamp and fix the object. The anti-slip layer is used to increase friction and improve stability. The second motor is started to drive the lifting plate to rise and fall. The device can improve the stability of the object during lifting and transportation by clamping and fixing the object. It has a good positioning function and will not fall out due to sudden stop of lifting. The moving and fixing devices can be easily adjusted, and it is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 This is a schematic diagram of the third motor connection structure of the present utility model.

[0014] In the figure: 1. bottom box; 2. moving wheel; 3. first motor; 4. first threaded rod; 5. flat plate; 6. support leg; 7. portal frame; 8. second threaded rod; 9. second motor; 10. third motor; 11. cylinder; 12. lifting plate; 13. third threaded rod; 14. sleeve rod; 15. slider; 16. slide groove; 17. two-way rack; 18. gear; 19. clamping rod; 20. short plate; 21. anti-slip layer; 22. slide rod. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0016] See also Figure 1-2 The utility model provides a technical solution: a hoist with a positioning function, comprising a bottom box 1, two pairs of moving wheels 2 are provided on the lower wall of the bottom box 1, a lifting mechanism is provided in the bottom box 1, a door frame 7 is provided on the upper wall of the bottom box 1, a second motor 9 is provided on the upper wall of the door frame 7, a second threaded rod 8 is provided at the driving end of the second motor 9, the second threaded rod 8 is rotatably connected between the lower wall of the door frame 7 and the upper wall of the bottom box 1, a sliding rod 22 is connected between the lower wall of the door frame 7 and the upper wall of the bottom box 1, and a lifting plate 12 is threadedly connected to the second threaded rod 8. The lifting plate 12 is slidably installed on the sliding rod 22. A cylinder 11 is provided on the lifting plate 12. A third motor 10 is provided on the outer wall of the cylinder 11. A third threaded rod 13 is provided at the driving end of the third motor 10. The third threaded rod 13 is rotatably connected to the cylinder 11. A pair of slide grooves 16 are provided in the cylinder 11. A sleeve rod 14 is movably installed in the cylinder 11. The sleeve rod 14 is threadedly connected to the third threaded rod 13. A pair of sleeve rods 14 are provided on the side wall of the sleeve rod 14. A pair of sliders 15 are respectively slidably installed in the pair of slide grooves 16. One end of the sleeve rod 14 is connected to a clamping mechanism.

[0017] In this embodiment, specifically, the clamping mechanism includes a pair of short plates 20 installed on the side wall of the cylinder 11, a pair of short rods are connected between the pair of short plates 20, and a pair of short rods are provided with gears 18 and clamping rods 19. One end of the sleeve rod 14 is provided with a bidirectional rack 17, and the bidirectional rack 17 is meshed with a pair of gears 18.

[0018] In this embodiment, specifically, the lifting mechanism includes a first motor 3 installed on the lower wall of the bottom box 1, and the driving end of the first motor 3 is provided with a first threaded rod 4, which is rotatably connected between the upper and lower walls of the bottom box 1. A flat plate 5 is threadedly connected to the first threaded rod 4, and the lower end of the flat plate 5 is provided with two pairs of legs 6, which are movably inserted into the lower wall of the bottom box 1.

[0019] In this embodiment, specifically, an anti-slip layer 21 is provided on the outer side of one end of the pair of clamping rods 19 .

[0020] In this embodiment, specifically, the pair of clamping rods 19 are both arc-shaped structures.

[0021] The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process. The specific operations are as follows.

[0022] When the lifting plate 12 is lifted and lowered, the lifting plate 5 drives the support legs 6 to lift and lower, and the support legs 6 move down to support and fix the ground, so that the object is placed on the lifting plate 12, and the object is located between the pair of clamping rods 19. The third motor 10 is started to drive the third threaded rod 13 to rotate. The rotation of the third threaded rod 13 drives the sleeve rod 14 to move, and the pair of sliders 15 always slide in the pair of slide grooves 16, which has a limiting effect. The movement of the sleeve rod 14 drives the two-way rack 17 to move, and the movement of the two-way rack 17 drives the pair of gears 18 to rotate. The rotation of the pair of gears 18 drives the pair of clamping rods 19 to rotate. The pair of clamping rods 19 rotates to clamp and fix the object. The anti-slip layer 21 is used to increase friction and improve stability. The second motor 9 is started to drive the second threaded rod 8 to rotate. The second threaded rod 8 rotates to drive the lifting plate 12 to lift and lower, and the lifting plate 12 always slides on the slide rod 22, which has a limiting effect.

[0023] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A hoist with a positioning function, comprising a bottom box (1), characterized in that: The lower wall of the bottom box (1) is provided with two pairs of moving wheels (2), the bottom box (1) is provided with a lifting mechanism, the upper wall of the bottom box (1) is provided with a door frame (7), the upper wall of the door frame (7) is provided with a second motor (9), the driving end of the second motor (9) is provided with a second threaded rod (8), the second threaded rod (8) is rotatably connected between the lower wall of the door frame (7) and the upper wall of the bottom box (1), a sliding rod (22) is connected between the lower wall of the door frame (7) and the upper wall of the bottom box (1), a lifting plate (12) is threadedly connected to the second threaded rod (8), and the lifting plate (12) is slidably mounted on the sliding rod (22). A cylinder (11) is provided on the lifting plate (12), a third motor (10) is provided on the outer wall of the cylinder (11), a third threaded rod (13) is provided at the driving end of the third motor (10), the third threaded rod (13) is rotatably connected in the cylinder (11), a pair of slide grooves (16) are provided in the cylinder (11), a sleeve rod (14) is movably installed in the cylinder (11), the sleeve rod (14) is threadedly connected to the third threaded rod (13), a pair of sleeve rods (14) are provided on the side wall of the sleeve rod (14), a pair of sliders (15) are respectively slidably installed in the pair of slide grooves (16), and one end of the sleeve rod (14) is connected to a clamping mechanism.

2. The elevator with positioning function according to claim 1, characterized in that: The clamping mechanism comprises a pair of short plates (20) mounted on the side wall of the cylinder (11), a pair of short rods being connected between the pair of short plates (20), a gear (18) and a clamping rod (19) being provided on each of the pair of short rods, and a bidirectional rack (17) being provided at one end of the sleeve rod (14), and the bidirectional rack (17) being meshed and connected with the pair of gears (18).

3. The elevator with positioning function according to claim 1, characterized in that: The lifting mechanism comprises a first motor (3) mounted on the lower wall of the bottom box (1); a first threaded rod (4) is provided at a driving end of the first motor (3); the first threaded rod (4) is rotatably connected between the upper and lower walls of the bottom box (1); a flat plate (5) is threadedly connected to the first threaded rod (4); two pairs of legs (6) are provided at the lower end of the flat plate (5); and both pairs of legs (6) are movably inserted into the lower wall of the bottom box (1).

4. The elevator with positioning function according to claim 2, characterized in that: An anti-slip layer (21) is provided on the outer side of one end of a pair of clamping rods (19).

5. The elevator with positioning function according to claim 2, characterized in that: The pair of clamping rods (19) are both arc-shaped structures.

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