CN219950305U

CN219950305U - Lifting device

Info

Publication number: CN219950305U
Application number: CN202320566410.7U
Authority: CN
Inventors: 黄晓彤
Original assignee: China Agricultural University
Current assignee: China Agricultural University
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-11-03
Anticipated expiration: 2033-03-22

Abstract

The utility model discloses a lifting device, which relates to the technical field of lifting devices and comprises a driving wheel, a buffer structure and a transmission structure, wherein a bottom plate is arranged at the top end of the driving wheel, a mounting groove is arranged at one side of the top end of the bottom plate, the transmission structure is positioned below the inside of the mounting groove, a unidirectional threaded rod is arranged at the top end of the inside of the mounting groove through a rotating shaft, a fixing plate is transversely arranged inside the mounting groove, a threaded block is connected to the outside of the unidirectional threaded rod above the fixing plate through threads, a lifting plate is arranged at one side of the threaded block, and a connecting rope is arranged at the bottom end of the lifting plate. According to the utility model, the push rod is pushed by the lifting groove, so that the push rod pushes the sliding block, the sliding block moves in the direction away from each other at the outer wall of the sliding rod in the cavity, and the telescopic spring is compressed, in the process, the lifting groove is slowly contacted with the platform, and the structure realizes the buffering of the lifting platform and prevents the collision damage caused by too fast contact of the lifting platform with the platform.

Description

Lifting device

Technical Field

The utility model relates to the technical field of lifting devices, in particular to a lifting device.

Background

The lifting device is a lifting machine for vertically conveying people or objects, and also refers to equipment for vertically conveying in logistics systems such as factories, automatic warehouses and the like, various plane conveying equipment is often arranged on the lifting table, and the lifting device is used as a connecting device of conveying lines with different heights and is widely applied to operations such as high-altitude installation, maintenance and the like besides being used for conveying the objects with different heights.

The traditional lifting device has the advantages of stable structure and simple operation, but the defects of the traditional lifting device still exist.

The traditional lifting device is used in the process, articles to be transported are placed on the lifting platform, the articles are lifted to the specified height, then the articles are placed on the specified high platform, if the lifting platform is placed at too high speed in the process of placing, the force contacted with the platform is too high, and the platform is easy to collide and damage.

Disclosure of Invention

The utility model aims to provide a lifting device to solve the problem that the lowering speed is too high and the platform is easy to collide and damage in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a lifting device comprises a driving wheel, a buffer structure and a transmission structure;

the top end of the driving wheel is provided with a bottom plate, one side of the top end of the bottom plate is provided with a mounting groove, and the transmission structure is positioned below the inside of the mounting groove;

the top of the inside of the installation groove is provided with a one-way threaded rod through a rotating shaft, the inside of the installation groove is transversely provided with a fixed plate, the outside of the one-way threaded rod above the fixed plate is connected with a threaded block through threads, one side of the threaded block is provided with a lifting plate, the bottom end of the lifting plate is provided with a connecting rope, the bottom end of the connecting rope is provided with a lifting groove, and the buffer structure is positioned at the bottom end of the lifting groove;

the buffer structure includes the telescopic link, the telescopic link is all installed in the both sides of lift groove bottom, and the buffer board is installed to the bottom of telescopic link, the outer wall of telescopic link all overlaps and is equipped with fixing spring, and the cavity has been seted up to the inside of buffer board, the inside transverse installation of cavity has the slide bar, the outer wall sliding connection of slide bar has two sliders, and the slider is kept away from the outer wall of one side slide bar each other and all overlaps and be equipped with telescopic spring, the top of slider all is connected with the push rod through articulated key.

Preferably, the bottom end of the unidirectional threaded rod passes through the fixed plate, and the bottom end of the unidirectional threaded rod extends to the lower side of the fixed plate.

Preferably, the top ends of the push rods all penetrate through the buffer plate, and the top ends of the push rods all extend to the bottom ends of the lifting grooves.

Preferably, the push rods are connected to the bottom ends of the lifting grooves through hinged keys, and the push rods and the sliding rods form a sliding structure through sliding blocks.

Preferably, the transmission structure comprises a driving gear, a driven gear, a servo motor and a driving rod, wherein the servo motor is arranged at the bottom end of one side of the mounting groove, the driving rod is arranged at the output end of the servo motor, the driving gear is arranged at one end of the driving rod, and the driven gear is arranged at the bottom end of the unidirectional threaded rod.

Preferably, one end of the driving rod passes through the mounting groove, and one end of the driving rod extends to the inside of the mounting groove.

Preferably, the driven gear is located above the driving gear, and the driving gear and the driven gear are meshed with each other.

Compared with the prior art, the utility model has the beneficial effects that: the buffer plate is contacted with the platform, the telescopic rod is compressed under the action of gravity of the lifting groove, the fixed spring is compressed, the push rod is pushed by the lifting groove, the slide block is pushed by the push rod, the slide block moves in the direction away from each other on the outer wall of the slide rod inside the cavity, the telescopic spring is compressed, the lifting groove is contacted with the platform slowly in the process, the structure realizes the buffering of the lifting platform, and the lifting platform is prevented from being damaged by collision due to too fast contact with the platform.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 1B according to the present utility model.

In the figure: 1. a driving wheel; 2. a bottom plate; 3. a buffer plate; 4. a lifting groove; 5. a connecting rope; 6. a lifting plate; 7. a screw block; 8. a one-way threaded rod; 9. a transmission structure; 901. a drive gear; 902. a driven gear; 903. a servo motor; 904. a driving rod; 10. a mounting groove; 11. a slide block; 12. a cavity; 13. a push rod; 14. a fixed spring; 15. a telescopic rod; 16. a telescopic spring; 17. a fixing plate; 18. and a slide bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, a lifting device comprises a driving wheel 1, a buffer structure and a transmission structure 9;

the top end of the driving wheel 1 is provided with a bottom plate 2, one side of the top end of the bottom plate 2 is provided with a mounting groove 10, and a transmission structure 9 is positioned below the inside of the mounting groove 10;

the top inside the installation groove 10 is provided with a unidirectional threaded rod 8 through a rotating shaft, the inside of the installation groove 10 is transversely provided with a fixed plate 17, the bottom end of the unidirectional threaded rod 8 penetrates through the fixed plate 17, the bottom end of the unidirectional threaded rod 8 extends to the lower side of the fixed plate 17, the outside of the unidirectional threaded rod 8 above the fixed plate 17 is connected with a threaded block 7 through threads, one side of the threaded block 7 is provided with a lifting plate 6, the bottom end of the lifting plate 6 is provided with a connecting rope 5, the bottom end of the connecting rope 5 is provided with a lifting groove 4, and a buffer structure is positioned at the bottom end of the lifting groove 4;

referring to fig. 1-4, a lifting device further includes a buffer structure, the buffer structure includes a telescopic rod 15, the telescopic rods 15 are all installed at two sides of the bottom end of the lifting groove 4, the bottom end of the telescopic rod 15 is installed with a buffer plate 3, the outer wall of the telescopic rod 15 is all sleeved with a fixed spring 14, a cavity 12 is provided in the buffer plate 3, a sliding rod 18 is transversely installed in the cavity 12, the outer wall of the sliding rod 18 is slidably connected with two sliding blocks 11, the outer walls of the sliding blocks 11 far away from one side of the sliding rod 18 are all sleeved with telescopic springs 16, and the top ends of the sliding blocks 11 are all connected with a push rod 13 through hinge keys;

the top ends of the push rods 13 all penetrate through the buffer plate 3, and the top ends of the push rods 13 all extend to the bottom end of the lifting groove 4;

the push rods 13 are connected to the bottom ends of the lifting grooves 4 through hinged keys, and the push rods 13 and the slide bars 18 form a sliding structure through the slide blocks 11;

specifically, as shown in fig. 1, 2 and 3, when the mechanism is used, the telescopic rod 15 is compressed by the gravity of the lifting groove 4, the fixed spring 14 is compressed, the push rod 13 is pushed by the lifting groove 4, the slide block 11 is pushed by the push rod 13, the slide block 11 moves in the direction away from each other at the outer wall of the slide rod 18 in the cavity 12, and the telescopic spring 16 is compressed.

Example 2: the transmission structure 9 comprises a driving gear 901, a driven gear 902, a servo motor 903 and a driving rod 904, wherein the servo motor 903 is arranged at the bottom end of one side of the installation groove 10, the driving rod 904 is arranged at the output end of the servo motor 903, the driving gear 901 is arranged at one end of the driving rod 904, and the driven gear 902 is arranged at the bottom end of the unidirectional threaded rod 8;

one end of the driving lever 904 passes through the mounting groove 10, and one end of the driving lever 904 extends to the inside of the mounting groove 10;

the driven gear 902 is positioned above the driving gear 901, and the driving gear 901 and the driven gear 902 are meshed with each other;

specifically, as shown in fig. 1, 2 and 4, when the mechanism is used, the steering is regulated by the servo motor 903, so that the thread block 7 moves upwards on the outer wall of the unidirectional threaded rod 8, the lifting plate 6 is driven to move upwards by the thread block 7, the lifting plate 6 drives the connecting rope 5 to lift the lifting groove 4 to rise, and the lifting groove 4 is lifted to a high position.

Working principle: the staff places the material to be transported to the high place in the lifting groove 4, then starts the servo motor 903, drives the driving rod 904 to rotate through the servo motor 903, drives the driving gear 901 to rotate through the driving rod 904, and drives the unidirectional threaded rod 8 to rotate through the driving gear 902 because the driving gear 901 and the driven gear 902 are meshed with each other, and lifts the lifting groove 4 to the high place through the lifting plate 6 by driving the connecting rope 5 to lift the lifting groove 4 because the unidirectional threaded rod 8 is connected with the threaded block 7 through threads, and the threaded block 7 can move along with the threads on the outer wall of the unidirectional threaded rod 8 in the process of rotating the unidirectional threaded rod 8, and adjusts steering through the servo motor 903, so that the threaded block 7 moves upwards on the outer wall of the unidirectional threaded rod 8;

then the whole body can be driven to move to a position to be conveyed through the driving wheel 1, the servo motor 903 is started again, the servo motor 903 drives the unidirectional threaded rod 8 to reversely move, the threaded block 7 descends, the lifting plate 6 is driven by the threaded block 7, the lifting groove 4 is placed on a high platform to be conveyed, the buffer plate 3 is in contact with the platform, the telescopic rod 15 is compressed under the action of gravity of the lifting groove 4, the fixed spring 14 is compressed, the push rod 13 is pushed by the lifting groove 4, the slide block 11 is pushed by the push rod 13, the slide block 11 moves in the direction away from each other at the outer wall of the slide rod 18 in the cavity 12, the telescopic spring 16 is compressed, and in the process, the lifting groove 4 is slowly in contact with the platform.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A lifting device comprising a driving wheel (1), characterized in that: the device also comprises a buffer structure and a transmission structure (9);

the top end of the driving wheel (1) is provided with a bottom plate (2), one side of the top end of the bottom plate (2) is provided with a mounting groove (10), and the transmission structure (9) is positioned below the inside of the mounting groove (10);

the device is characterized in that a unidirectional threaded rod (8) is arranged at the top end of the inside of the mounting groove (10) through a rotating shaft, a fixing plate (17) is transversely arranged in the mounting groove (10), a threaded block (7) is connected to the outside of the unidirectional threaded rod (8) above the fixing plate (17) through threads, a lifting plate (6) is arranged on one side of the threaded block (7), a connecting rope (5) is arranged at the bottom end of the lifting plate (6), a lifting groove (4) is arranged at the bottom end of the connecting rope (5), and the buffer structure is located at the bottom end of the lifting groove (4);

buffer structure includes telescopic link (15), telescopic link (15) all install in the both sides of lift groove (4) bottom, and buffer board (3) are installed to the bottom of telescopic link (15), the outer wall of telescopic link (15) all overlaps and is equipped with fixation spring (14), and cavity (12) have been seted up to the inside of buffer board (3), slide bar (18) are transversely installed to the inside of cavity (12), the outer wall sliding connection of slide bar (18) has two sliders (11), and the outer wall that one side slide bar (18) were kept away from each other to slider (11) all overlaps and is equipped with extension spring (16), the top of slider (11) all is connected with push rod (13) through articulated key.

2. A lifting device according to claim 1, wherein: the bottom end of the unidirectional threaded rod (8) passes through the fixed plate (17), and the bottom end of the unidirectional threaded rod (8) extends to the lower part of the fixed plate (17).

3. A lifting device according to claim 1, wherein: the top ends of the push rods (13) all penetrate through the buffer plate (3), and the top ends of the push rods (13) all extend to the bottom ends of the lifting grooves (4).

4. A lifting device according to claim 1, wherein: the push rods (13) are connected to the bottom ends of the lifting grooves (4) through hinged keys, and the push rods (13) and the slide rods (18) form a sliding structure through the slide blocks (11).

5. A lifting device according to claim 1, wherein: the transmission structure (9) comprises a driving gear (901), a driven gear (902), a servo motor (903) and a driving rod (904), wherein the servo motor (903) is arranged at the bottom end of one side of the installation groove (10), the driving rod (904) is arranged at the output end of the servo motor (903), the driving gear (901) is arranged at one end of the driving rod (904), and the driven gear (902) is arranged at the bottom end of the unidirectional threaded rod (8).

6. A lifting device according to claim 5, wherein: one end of the driving rod (904) passes through the mounting groove (10), and one end of the driving rod (904) extends into the mounting groove (10).

7. A lifting device according to claim 5, wherein: the driven gear (902) is positioned above the driving gear (901), and the driving gear (901) is meshed with the driven gear (902).