CN212832532U

CN212832532U - A hoist device for agricultural machinery maintenance

Info

Publication number: CN212832532U
Application number: CN202021496994.8U
Authority: CN
Inventors: 黄娟恋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-03-30
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a hoist device for agricultural machinery maintenance, including the base, base upper end bilateral symmetry rotates and is connected with a pair of threaded rod, and equal threaded connection has the threaded sleeve on the threaded rod, fixedly connected with loading board between two threaded sleeve, the fixedly connected with bearing block of department in the middle of the loading board lower extreme, and bearing block lower extreme fixed mounting has the lifting hook, and equal fixedly connected with slide bar has cup jointed sliding sleeve on the slide bar between the threaded sleeve of bearing block both sides wall and its opposite side. The utility model discloses a set up threaded rod, threaded sleeve, lifting hook, actuating mechanism and drive mechanism etc. both can effectively reduce maintenance personal's intensity of labour, improved maintenance personal's work efficiency, effectively avoid using the artificial easy injured problem of lifting up the time-out, improved the device's practicality, also can prevent to take place the phenomenon of rocking at hoist and mount in-process heavy object, effectively promoted the security of hoist and mount.

Description

A hoist device for agricultural machinery maintenance

Technical Field

The utility model relates to a mechanical overhaul technical field especially relates to a hoist device for agricultural machinery maintenance.

Background

Agricultural machinery comprises agricultural power machinery, farmland construction machinery, soil cultivation machinery, planting and fertilizing machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery, agricultural transportation machinery and the like, refers to a general term for all machinery used in agriculture, animal husbandry, forestry and fishery, and belongs to the field of agricultural machinery.

The existing agricultural machinery needs to be placed at a certain height for maintenance sometimes during maintenance, the existing method is that the agricultural machinery is lifted manually, sometimes the weight of the agricultural machinery is heavy, several people are required to lift the agricultural machinery at the same time, and the agricultural machinery can be lifted to a specified position, and if the number of people is insufficient, the maintenance process of the agricultural machinery is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lifting device for maintaining agricultural machinery.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hoisting device for maintenance of agricultural machinery comprises a base, a pair of threaded rods are symmetrically and rotatably connected to two sides of the upper end of the base, the threaded rods are all in threaded connection with threaded sleeves, a bearing plate is fixedly connected between the two threaded sleeves, the middle of the lower end of the bearing plate is fixedly connected with a bearing block, the lower end of the bearing block is fixedly provided with a lifting hook, sliding rods are fixedly connected between the two side walls of the bearing block and the threaded sleeves on the opposite sides of the bearing block, sliding sleeves are sleeved on the sliding rods, a spring is fixedly connected between the sliding sleeve and the threaded sleeve, a clamping mechanism for clamping a heavy object is installed on the sliding sleeve, the bearing plate is characterized in that a pushing mechanism used for pushing the sliding sleeve to horizontally slide is installed at the upper end of the bearing plate, a driving mechanism used for driving one of the threaded rods to rotate is installed on one side of the upper end of the base, and a transmission mechanism used for driving the other threaded rod to rotate is installed on the threaded rod.

Preferably, fixture includes L type supporting rod and splint, the one end fixed connection of L type supporting rod is at the sliding sleeve lower extreme, the other end and the lifting hook parallel and level of L type supporting rod, just splint fixed connection is at the other end of L type supporting rod.

Preferably, the pushing mechanism comprises a concave pushing ring and a handle, the concave pushing ring is located at the upper end of the bearing plate, two sides of the lower end of the concave pushing ring are fixedly connected to two side walls of the sliding sleeve respectively, and the handle is fixedly connected to the middle of the upper end of the concave pushing ring.

Preferably, the driving mechanism comprises a forward and reverse rotation motor and a pair of bevel gears, the forward and reverse rotation motor is fixedly installed on one side of the upper end of the base, one bevel gear is coaxially and fixedly connected to an output shaft of the forward and reverse rotation motor, the other bevel gear is coaxially and fixedly connected to the lower end part of a threaded rod close to the forward and reverse rotation motor, and the two bevel gears are meshed.

Preferably, the transmission mechanism comprises a pair of belt pulleys, the two belt pulleys are respectively and fixedly connected to the lower ends of the two threaded rods in a coaxial mode, and the two belt pulleys are connected through a belt in a transmission mode.

Preferably, the four corners of the lower end of the base are provided with rollers.

The utility model discloses following beneficial effect has:

1. by arranging the threaded rod, the threaded sleeve, the lifting hook, the driving mechanism and the transmission mechanism, maintenance personnel can adjust the height of the bearing plate conveniently according to actual conditions, the labor intensity of the maintenance personnel can be effectively reduced, the working efficiency of the maintenance personnel is improved, the problem that the bearing plate is easily injured when lifted manually can be effectively avoided, and the practicability of the device is effectively improved;

2. through setting up fixture and pushing mechanism, promote two concave types to both sides promotion before hoist and mount, loosen two concave types after the hoist and mount is accomplished and promote the slip sleeve and reset to make two grip blocks carry out the centre gripping to the heavy object of hoist and mount, prevent that the phenomenon that the heavy object takes place to rock at hoist and mount in-process, effectively promoted the security of hoist and mount.

Drawings

Fig. 1 is a schematic structural view of a hoisting device for maintaining agricultural machinery provided by the utility model;

fig. 2 is the utility model provides a partial top view of a hoist device for agricultural machinery maintenance.

In the figure: 1. a base; 2. a threaded rod; 3. a threaded sleeve; 4. a carrier plate; 5. a bearing block; 6. a hook; 7. a slide bar; 8. a sliding sleeve; 9. a spring; 10. a concave push ring; 11. a handle; 12. a belt pulley; 13. a positive and negative rotation motor; 14. a bevel gear; 15. a roller; 16. an L-shaped clamping rod; 17. and (4) clamping the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a hoisting device for maintenance of agricultural machinery, including base 1, base 1 upper end bilateral symmetry is rotated and is connected with a pair of threaded rod 2, threaded sleeve 3 is connected to equal threaded rod 2, fixedly connected with loading board 4 between two threaded sleeve 3, department fixedly connected with bearing block 5 in the middle of the 4 lower extremes of loading board, bearing block 5 lower extreme fixed mounting has lifting hook 6, equal fixedly connected with slide bar 7 between 5 both sides wall of bearing block and the threaded sleeve 3 of its opposite side, sliding sleeve 8 has cup jointed on slide bar 7, fixedly connected with spring 9 between sliding sleeve 8 and the threaded sleeve 3.

Install the fixture that is used for the centre gripping heavy object on the sliding sleeve 8, fixture includes L type supporting rod 16 and splint 17, and the one end fixed connection of L type supporting rod 16 is at the 8 lower extremes of sliding sleeve, and the other end and the 6 parallel and level of lifting hook of L type supporting rod 16, and splint 17 fixed connection is at the other end of L type supporting rod 16.

The pushing mechanism used for pushing the sliding sleeve 8 to horizontally slide is installed at the upper end of the bearing plate 4 and comprises a concave pushing ring 10 and a handle 11, the concave pushing ring 10 is located at the upper end of the bearing plate 4, two sides of the lower end of the concave pushing ring 10 are fixedly connected to two side walls of the sliding sleeve 8 respectively, and the handle 11 is fixedly connected to the middle of the upper end of the concave pushing ring 10.

A driving mechanism used for driving one of the threaded rods 2 to rotate is installed on one side of the upper end of the base 1, the driving mechanism comprises a forward and reverse rotating motor 13 and a pair of bevel gears 14, the forward and reverse rotating motor 13 is fixedly installed on one side of the upper end of the base 1, one bevel gear 14 is coaxially and fixedly connected to an output shaft of the forward and reverse rotating motor 13, the other bevel gear 14 is coaxially and fixedly connected to the lower end portion, close to the forward and reverse rotating motor 13, of the threaded rod 2, and the.

It should be noted that the output shaft of the forward and reverse rotation motor 13 can be controlled by the operator to rotate forward or reverse, when the forward and reverse rotation motor 13 rotates forward, the two threaded rods 2 can be driven to rotate forward by the meshing action between the bevel gears 14 and the transmission action between the belt pulleys 12, so as to push the threaded sleeve 3 to move upward; when the forward and reverse rotation motor 13 rotates reversely, the two threaded rods 2 can be driven to rotate reversely through the meshing action between the bevel gears 14 and the transmission action between the belt pulleys 12, so that the threaded sleeves 3 are pushed to move downwards.

The threaded rod 2 is provided with a transmission mechanism for driving the other threaded rod 2 to rotate, the transmission mechanism comprises a pair of belt pulleys 12, the two belt pulleys 12 are respectively and fixedly connected to the lower ends of the two threaded rods 2 in a coaxial mode, and the two belt pulleys 12 are connected through a belt in a transmission mode.

Base 1 lower extreme four corners department all installs gyro wheel 15, and gyro wheel 15's installation can be more convenient for transport and shift this hoist device, has further promoted the practicality of device.

In the utility model, when needing to be hoisted in the maintenance process of agricultural machinery, the handle 11 is firstly pulled to push the two concave pushing rings 10 to the two sides, so that the two sliding sleeves 8 overcome the elasticity of the spring 9 to move to the two sides, the two clamping plates 17 are opened, and at the moment, the heavy object needing to be hoisted is hung on the lifting hook 6; then, the handle 11 is loosened, the two sliding sleeves 8 recover to the initial positions under the action of the elastic force of the spring 9, the heavy object is clamped by the two clamping plates 17, the heavy object is prevented from shaking in the hoisting process, and the hoisting safety is improved.

And then, the forward and reverse rotation motor 13 is started to control the output shaft to rotate forward, so that one threaded rod 2 is driven to rotate forward through the meshing action among the bevel gears 14, the other threaded rod 2 is driven to rotate forward synchronously through the transmission action among the belt pulleys 12, the bearing plate 4 can move upwards, and the lifting hook 6 can finish the lifting work of a heavy object.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A hoisting device for maintenance of agricultural machinery comprises a base (1) and is characterized in that a pair of threaded rods (2) are symmetrically and rotatably connected to the two sides of the upper end of the base (1), threaded sleeves (3) are connected to the threaded rods (2) in a threaded manner, a bearing plate (4) is fixedly connected between the two threaded sleeves (3), a bearing block (5) is fixedly connected to the middle of the lower end of the bearing plate (4), a lifting hook (6) is fixedly installed at the lower end of the bearing block (5), a sliding rod (7) is fixedly connected between the two side walls of the bearing block (5) and the threaded sleeves (3) on the opposite sides of the bearing block, a sliding sleeve (8) is sleeved on the sliding rod (7), a spring (9) is fixedly connected between the sliding sleeve (8) and the threaded sleeves (3), and a clamping mechanism for clamping heavy objects is installed on the sliding, the bearing plate is characterized in that a pushing mechanism used for pushing the sliding sleeve (8) to horizontally slide is installed at the upper end of the bearing plate (4), a driving mechanism used for driving one of the threaded rods (2) to rotate is installed on one side of the upper end of the base (1), and a transmission mechanism used for driving the other threaded rod (2) to rotate is installed on the threaded rod (2).

2. Hoisting device for agricultural machinery maintenance according to claim 1, characterized in that the clamping mechanism comprises an L-shaped clamping bar (16) and a clamping plate (17), one end of the L-shaped clamping bar (16) is fixedly connected at the lower end of the sliding sleeve (8), the other end of the L-shaped clamping bar (16) is flush with the lifting hook (6), and the clamping plate (17) is fixedly connected at the other end of the L-shaped clamping bar (16).

3. The hoisting device for agricultural machinery maintenance according to claim 1, wherein the pushing mechanism comprises a concave pushing ring (10) and a handle (11), the concave pushing ring (10) is positioned at the upper end of the bearing plate (4), two sides of the lower end of the concave pushing ring (10) are respectively and fixedly connected to two side walls of the sliding sleeve (8), and the handle (11) is fixedly connected to the middle of the upper end of the concave pushing ring (10).

4. The hoisting device for agricultural machinery maintenance according to claim 1, wherein the driving mechanism comprises a forward and reverse rotation motor (13) and a pair of bevel gears (14), the forward and reverse rotation motor (13) is fixedly installed on one side of the upper end of the base (1), one bevel gear (14) is coaxially and fixedly connected to the output shaft of the forward and reverse rotation motor (13), the other bevel gear (14) is coaxially and fixedly connected to the lower end of the threaded rod (2) close to the forward and reverse rotation motor (13), and the two bevel gears (14) are meshed.

5. The hoisting device for agricultural machinery maintenance according to claim 1, wherein the transmission mechanism comprises a pair of belt pulleys (12), the two belt pulleys (12) are respectively and fixedly connected to the lower ends of the two threaded rods (2) in a coaxial manner, and the two belt pulleys (12) are connected through a belt transmission.

6. The hoisting device for agricultural machinery maintenance according to claim 1, wherein rollers (15) are mounted at four corners of the lower end of the base (1).