CN211688099U

CN211688099U - Lifting device for maintenance of small agricultural machine

Info

Publication number: CN211688099U
Application number: CN201922111857.1U
Authority: CN
Inventors: 陆海宁
Original assignee: Gansu Rongteng Agricultural Science And Technology Development Co ltd
Current assignee: Gansu Rongteng Agricultural Science And Technology Development Co ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-10-16
Anticipated expiration: 2029-11-30

Abstract

The utility model discloses a small-size agricultural machinery lifting devices for maintenance, the on-line screen storage device comprises a base, inner cavity of the base's bottom fixedly connected with servo motor, servo motor's the first helical gear of output shaft fixedly connected with, inner cavity of the base's both sides all have the threaded rod through bearing swing joint, the fixed surface of threaded rod is connected with the second helical gear. The utility model discloses a servo motor's output shaft drives first helical gear rotatory, first helical gear drives the second helical gear rotatory, the second helical gear drives the threaded rod rotatory, the threaded sleeve drives the movable rod steadily to move when the threaded rod is rotatory, the movable rod drives the bracing piece motion, the bracing piece drives the platform and rises, thereby accomplish lifting to small-size agricultural machinery through simple structure cooperation, it needs to raise it at the maintenance in-process to have solved small-size agricultural machinery, but current lifting device generally is suitable for large-scale machinery, small-size machinery uses comparatively extravagant problem.

Description

Lifting device for maintenance of small agricultural machine

Technical Field

The utility model relates to an agricultural machinery technical field specifically is a small-size agricultural machinery lifting devices for maintenance.

Background

Broad agriculture refers to five industrial forms including planting industry, forestry industry, animal husbandry, fishery industry and subsidiary industry, narrow agriculture refers to planting industry and includes production activities for producing crops such as grain crops, economic crops, feed crops, green manure and the like, the agricultural distribution range is very wide, the earth surface can be almost used for agricultural production except for two poles and deserts, the agricultural production is developed to the present, agricultural machinery becomes the dominant labor force of the agricultural production, the agricultural machinery refers to various machines used in the crop planting industry and animal husbandry production process and the primary processing and treatment process of agricultural and animal products, the agricultural machinery includes agricultural power machinery, farmland construction machinery, soil farming machinery, planting and fertilizing machinery, plant protection machinery, farmland irrigation machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery, agricultural transportation machinery and the like, small-size agricultural machine relies on the volume less, uses advantages such as flexibility to occupy a position in agricultural production, and small-size agricultural machine need rise it at the in-process that overhauls, but current lifting devices generally are suitable for large-scale machine, and small-size machine uses comparatively extravagantly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small-size agricultural machinery lifting device for maintenance possesses the advantage that facilitates use, has solved small-size agricultural machine and need raise it examining and repairing the in-process, but current lifting device generally is suitable for large-scale machinery, and small-size machinery uses comparatively extravagant problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a small-size agricultural machinery lifting devices for maintenance, the on-line screen storage device comprises a base, the bottom fixedly connected with servo motor of base inner chamber, the first helical gear of servo motor's output shaft fixedly connected with, there is the threaded rod all through bearing swing joint in the both sides of base inner chamber, the fixed surface of threaded rod is connected with the second helical gear, second helical gear and first helical gear meshing, the equal threaded connection in both sides on threaded rod surface has the thread bush, there is the movable rod at the top of thread bush through pivot swing joint, there is the bracing piece at the top of movable rod through pivot swing joint, the top fixedly connected with platform of bracing piece.

Preferably, the equal fixedly connected with bottom plate in both sides of base inner chamber bottom, first spacing groove has been seted up at the top of bottom plate, the inner chamber sliding connection in first spacing groove has first stopper, one side and the thread bush fixed connection of first spacing inslot chamber are kept away from to first stopper.

Preferably, the two sides of the top of the base are both provided with limiting sliding holes, and the movable rod extends to the outside of the limiting sliding holes.

Preferably, the equal fixedly connected with slide bar in both sides at base top, the surperficial sliding connection of slide bar has the sliding sleeve, one side fixedly connected with fixed block of sliding sleeve, one side and platform fixed connection of fixed block, the top fixedly connected with stop cap of slide bar.

Preferably, the two sides of the surface of the sliding rod are both provided with second limiting grooves, the inner cavities of the second limiting grooves are connected with second limiting blocks in a sliding mode, and one sides, away from the inner cavities of the second limiting grooves, of the second limiting blocks are fixedly connected with the inner walls of the sliding sleeves.

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

1. the utility model discloses a servo motor's output shaft drives first helical gear rotatory, first helical gear drives the second helical gear rotatory, the second helical gear drives the threaded rod rotatory, the threaded sleeve drives the movable rod steadily to move when the threaded rod is rotatory, the movable rod drives the bracing piece motion, the bracing piece drives the platform and rises, thereby accomplish lifting to small-size agricultural machinery through simple structure cooperation, it needs to raise it at the maintenance in-process to have solved small-size agricultural machinery, but current lifting device generally is suitable for large-scale machinery, small-size machinery uses comparatively extravagant problem.

2. The utility model discloses a set up bottom plate, first spacing groove and first stopper, played to thread bush stabilizing support and spacing effect, through setting up spacing slide opening, played spacing effect to the movable rod, through setting up slide bar and sliding sleeve, played spacing effect to the platform, through setting up second spacing groove and second stopper, played spacing effect to the sliding sleeve, through setting up spacing cap, played spacing effect to the sliding sleeve.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the base of the present invention;

fig. 3 is a schematic view of the overlooking structure of the sliding sleeve of the present invention.

In the figure: 1. a base; 2. a servo motor; 3. a first helical gear; 4. a threaded rod; 5. a second helical gear; 6. a threaded sleeve; 7. a movable rod; 8. a support bar; 9. a platform; 10. a base plate; 11. a first limit groove; 12. a first stopper; 13. a limiting slide hole; 14. a slide bar; 15. a sliding sleeve; 16. a fixed block; 17. a limiting cap; 18. a second limit groove; 19. and a second limiting block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses a base 1, servo motor 2, first helical gear 3, threaded rod 4, second helical gear 5, thread bush 6, movable rod 7, bracing piece 8, platform 9, bottom plate 10, first spacing groove 11, first stopper 12, spacing slide opening 13, slide bar 14, sliding sleeve 15, fixed block 16, spacing cap 17, second spacing groove 18 and second stopper 19 part are the general standard component or the part that technical staff in the field knows, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental approach.

Referring to fig. 1-3, a lifting device for small agricultural machinery maintenance comprises a base 1, a servo motor 2 fixedly connected to the bottom of the inner cavity of the base 1, a first helical gear 3 fixedly connected to the output shaft of the servo motor 2, a threaded rod 4 movably connected to both sides of the inner cavity of the base 1 through a bearing, a second helical gear 5 fixedly connected to the surface of the threaded rod 4, the second helical gear 5 engaged with the first helical gear 3, a threaded sleeve 6 connected to both sides of the surface of the threaded rod 4, a bottom plate 10 fixedly connected to both sides of the bottom of the inner cavity of the base 1, a first limiting groove 11 formed in the top of the bottom plate 10, a first limiting block 12 slidably connected to the inner cavity of the first limiting groove 11, a movable rod 7 movably connected to the top of the threaded sleeve 6 through a rotating shaft, and a limiting slide hole 13 formed in both sides of the top of the base 1, the movable rod 7 extends to the outside of the limiting slide hole 13, the top of the movable rod 7 is movably connected with a support rod 8 through a rotating shaft, the top of the support rod 8 is fixedly connected with a platform 9, both sides of the top of the base 1 are fixedly connected with a slide rod 14, the surface of the slide rod 14 is slidably connected with a slide sleeve 15, one side of the slide sleeve 15 is fixedly connected with a fixed block 16, one side of the fixed block 16 is fixedly connected with the platform 9, the top of the slide rod 14 is fixedly connected with a limiting cap 17, both sides of the surface of the slide rod 14 are respectively provided with a second limiting groove 18, the inner cavity of the second limiting groove 18 is slidably connected with a second limiting block 19, one side of the second limiting block 19 away from the inner cavity of the second limiting groove 18 is fixedly connected with the inner wall of the slide sleeve 15, the first helical gear 3 is driven to rotate through an output, threaded rod 4 rotatory in the time thread bush 6 drives movable rod 7 steady movement, and movable rod 7 drives the motion of bracing piece 8, and bracing piece 8 drives platform 9 and rises to accomplish lifting to small-size agricultural machinery through simple structure cooperation, solved small-size agricultural machinery and need rise it in the maintenance in-process, but current lifting device generally is suitable for large-scale machinery, and small-size machinery uses comparatively extravagant problem.

During the use, start above-mentioned electrical component through the peripheral hardware controller, the output shaft through servo motor 2 drives first helical gear 3 rotatory, and first helical gear 3 drives second helical gear 5 rotatory, and second helical gear 5 drives threaded rod 4 rotatory, and threaded sleeve 6 drives movable rod 7 steady movement when threaded rod 4 is rotatory, and movable rod 7 drives the motion of bracing piece 8, and bracing piece 8 drives platform 9 and rises to accomplish lifting small-size agricultural machinery through simple structure cooperation.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a small-size agricultural machinery lifting devices for maintenance, includes base (1), its characterized in that: the bottom of the inner cavity of the base (1) is fixedly connected with a servo motor (2), an output shaft of the servo motor (2) is fixedly connected with a first helical gear (3), two sides of the inner cavity of the base (1) are movably connected with threaded rods (4) through bearings, the surface of each threaded rod (4) is fixedly connected with a second helical gear (5), the second helical gears (5) are meshed with the first helical gears (3), two sides of the surface of each threaded rod (4) are respectively in threaded connection with a threaded sleeve (6), the top of each threaded sleeve (6) is movably connected with a movable rod (7) through a rotating shaft, the top of each movable rod (7) is movably connected with a supporting rod (8) through a rotating shaft, and the top of each supporting rod (8) is fixedly connected with a platform; both sides of the bottom of the inner cavity of the base (1) are fixedly connected with a bottom plate (10), the top of the bottom plate (10) is provided with a first limiting groove (11), the inner cavity of the first limiting groove (11) is connected with a first limiting block (12) in a sliding manner, and one side, away from the inner cavity of the first limiting groove (11), of the first limiting block (12) is fixedly connected with the threaded sleeve (6); both sides of the top of the base (1) are provided with limiting sliding holes (13), and the movable rod (7) extends to the outside of the limiting sliding holes (13); the two sides of the top of the base (1) are fixedly connected with sliding rods (14), the surfaces of the sliding rods (14) are connected with sliding sleeves (15) in a sliding mode, one sides of the sliding sleeves (15) are fixedly connected with fixing blocks (16), one sides of the fixing blocks (16) are fixedly connected with the platform (9), and the tops of the sliding rods (14) are fixedly connected with limiting caps (17); second limiting grooves (18) are formed in two sides of the surface of the sliding rod (14), second limiting blocks (19) are connected to the inner cavities of the second limiting grooves (18) in a sliding mode, and one sides, away from the inner cavities of the second limiting grooves (18), of the second limiting blocks (19) are fixedly connected with the inner wall of the sliding sleeve (15).