CN216873785U

CN216873785U - Lifter assembly for tractor

Info

Publication number: CN216873785U
Application number: CN202220197779.0U
Authority: CN
Inventors: 毛小亮; 孙士元; 陈媛媛
Original assignee: Shandong Hewao Agricultural Equipment Co ltd
Current assignee: Shandong Hewao Agricultural Equipment Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-07-05
Anticipated expiration: 2032-01-25

Abstract

The utility model provides a lifter assembly for a tractor, which comprises a base, wherein the upper surface of the base is fixedly connected with a shell, one end of the shell is fixedly connected with a fixed sleeve, the inside of the fixed sleeve is rotatably connected with a lifting shaft, two ends of the lifting shaft are fixedly connected with supporting arms, one sides of the supporting arms, which are far away from the lifting shaft, are respectively and fixedly provided with a fixed disc, the inside of the base is fixedly connected with a hydraulic cylinder, two arc-shaped fixed blocks are symmetrically arranged on a hydraulic rod, a baffle is fixedly arranged at one end, which is positioned in the hydraulic cylinder, of the inside of the shell, a connecting shaft is fixedly connected with the output end of the hydraulic cylinder, limiting components are respectively arranged at two sides of the inside of the shell, a connecting sleeve is sleeved on the periphery of the lifting shaft, a connecting rod is vertically arranged at one end, which is far away from the hydraulic cylinder, of the connecting shaft, and the connecting shaft is movably connected with the connecting sleeve through the connecting rod. The utility model can limit the connecting shaft, avoid abrasion between the connecting sleeve and the inner wall of the shell, reduce noise generated in operation and prolong the service life of parts.

Description

Lifter assembly for tractor

Technical Field

The utility model relates to the technical field of lifters, in particular to a lifter assembly for a tractor.

Background

The raiser is a hydraulic device for lifting a plough on a tractor, a tractor hydraulic raiser is proposed as the patent with the application number of CN200420150234.6, including the lift arm, the oscillating axle, the lift arm is fixed to be set up at the oscillating axle both ends, the oscillating axle is equipped with the support frame, the support frame is fixed to be set up in tractor gearbox box upper portion rear side, the oscillating axle still is equipped with the swing arm that can swing together with the lift arm with the contained angle has, the fixed pneumatic cylinder support that is equipped with of tractor gearbox box front side, the pneumatic cylinder support is articulated with the cylinder body of pneumatic cylinder, the swing arm is articulated with the piston rod of pneumatic cylinder, the pneumatic cylinder passes through the distributor and sets up the special oil tank of raiser on the tractor organism, the hydraulic pump oil circuit communicates. The problem of the raiser produce "interior hourglass" easily in the use, cause the raiser can not normally work is solved, the utility model discloses a use reliably, it is convenient to maintain, when adopting double-acting cylinder, have and rise by force, fall by force and three kinds of operating condition that float, can extensively be used for middle-size and small-size tractor.

However, according to the technical scheme, in the working process of the hydraulic cylinder, the hydraulic cylinder is easy to move due to infirm installation, so that the lifting position is affected, the piston rod is easy to shake in the pushing process, the internal parts are abraded, noise is generated, the service lives of the parts are shortened, and therefore the improvement is made, and the lifter assembly for the tractor is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a lifter assembly for a tractor, which can effectively solve the problems in the background technology.

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

a lifter assembly for a tractor comprises a base, wherein a shell is fixedly connected to the upper surface of the base, one end of the shell is fixedly connected with a fixing sleeve, the inside of the fixing sleeve is rotatably connected with a lifting shaft, two ends of the lifting shaft are fixedly connected with supporting arms, the two supporting arms are respectively positioned at two ends of the fixing sleeve, one sides of the supporting arms, far away from the lifting shaft, are respectively and fixedly provided with a fixing disc, the fixing disc is connected with a first bolt, the supporting arms are connected with the fixing disc through the first bolt, a hydraulic cylinder is fixedly connected inside the base, two arc-shaped fixing blocks are symmetrically arranged on a hydraulic rod, a baffle is fixedly arranged inside the shell and at one end of the hydraulic cylinder, an output end of the hydraulic cylinder is fixedly connected with a connecting shaft, limiting components are respectively arranged inside the shell and at two sides of the connecting shaft, and two groups of limiting components are symmetrically arranged, the peripheral cover of lift shaft is equipped with connecting sleeve, the one end that the pneumatic cylinder was kept away from to the connecting axle is provided with the connecting rod perpendicularly, the connecting axle passes through connecting rod and connecting sleeve swing joint.

Preferably, the lower end of the supporting arm is fixedly connected with a connecting block, a plurality of mounting holes are formed in the edge of the base, two connecting channels communicated with the shell are formed in one side of the base, a cover plate is arranged on one side of the upper surface of the shell, a connecting port is formed in one end, close to the fixing sleeve, of the shell, and the connecting port is located in the upper surface of the shell.

Preferably, one side of the fixing sleeve, which is far away from the shell, is fixedly connected with a fixing plate, and the inside of one end, which is far away from the fixing plate, of each supporting arm is rotatably connected with a connecting ball.

Preferably, the top fixedly connected with fixing base in the casing, arc fixed block upper end swing joint is inside the fixing base, two arc fixed block lower extreme passes through second bolt fixed connection.

Preferably, a placing groove is formed in one side, close to the hydraulic cylinder, of the baffle, and one end, far away from the connecting shaft, of the hydraulic cylinder is connected into the placing groove.

Preferably, the limiting assembly comprises a supporting plate and an I-shaped shaft, the I-shaped shaft is rotatably connected to one end of the supporting plate, a third bolt is fixedly connected to one end, far away from the I-shaped shaft, of the supporting plate, two mounting blocks are symmetrically and fixedly connected to the inner wall of the shell, each third bolt is rotatably connected to the corresponding mounting block, and the I-shaped shaft is in rolling connection with the periphery of the connecting shaft.

Compared with the prior art, the utility model has the following beneficial effects:

(1) the fixed seat is arranged in the shell, the two movable arc-shaped fixed blocks are arranged in the fixed seat, the hydraulic cylinder can be conveniently fixed through the second bolt, the baffle is arranged on one side of the hydraulic cylinder, the hydraulic cylinder can be limited, the stability of the hydraulic cylinder is improved, and the hydraulic cylinder can be conveniently mounted and dismounted;

(2) through setting up spacing subassembly for the backup pad drives the I-shaped axle and fixes in the connecting axle both sides, makes the I-shaped axle and the laminating of connecting axle, removes the in-process at the connecting axle, and the I-shaped axle takes place to roll, can carry on spacingly to the connecting axle, avoids taking place wearing and tearing between adapter sleeve and the shells inner wall, reduces the noise that produces when moving, prolongs the life of spare part.

Drawings

FIG. 1 is a schematic view of the overall construction of a hoist assembly for a tractor according to the present invention;

FIG. 2 is a schematic view of an alternative overall perspective of a lifter assembly for a tractor according to the present invention;

FIG. 3 is a schematic view of the internal structure of a hoist assembly for a tractor according to the present invention;

FIG. 4 is a top view of the inner structural garment of a hoist assembly for a tractor according to the present invention;

FIG. 5 is a schematic view of the cross-section A-A of FIG. 4 of a lifter assembly for a tractor according to the present invention;

fig. 6 is a schematic cross-sectional view B-B of fig. 4 of a lifter assembly for a tractor according to the present invention.

In the figure: 1. a base; 2. a limiting component; 3. a housing; 4. a connecting port; 5. a support arm; 6. connecting blocks; 7. fixing the disc; 8. a first bolt; 9. fixing the sleeve; 10. a connecting ball; 11. a fixing plate; 12. a cover plate; 13. mounting holes; 14. a connecting channel; 15. a lift shaft; 16. a connecting sleeve; 17. a connecting rod; 18. a connecting shaft; 19. a hydraulic cylinder; 20. an arc-shaped fixed block; 21. a second bolt; 22. a baffle plate; 23. a fixed seat; 24. a placement groove; 201. a support plate; 202. a third bolt; 203. mounting blocks; 204. an I-shaped shaft.

Detailed Description

The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and the detailed description, so as to clearly and completely describe the technical solution of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1-6, a lifter assembly for a tractor comprises a base 1, a housing 3 is fixedly connected to the upper surface of the base 1, one end of the housing 3 is fixedly connected with a fixing sleeve 9, a lifting shaft 15 is rotatably connected to the inside of the fixing sleeve 9, two ends of the lifting shaft 15 are both fixedly connected with supporting arms 5, the two supporting arms 5 are respectively located at two ends of the fixing sleeve 9, one sides of the supporting arms 5 far away from the lifting shaft 15 are respectively and fixedly provided with a fixing disc 7, the fixing disc 7 is connected with a first bolt 8, the supporting arms 5 are connected with the fixing disc 7 through the first bolt 8, a hydraulic cylinder 19 is fixedly connected to the inside of the base 1, two arc-shaped fixing blocks 20 are symmetrically arranged on a hydraulic rod, a baffle 22 is fixedly arranged at one end of the hydraulic cylinder 19 inside the housing 3, an output end of the hydraulic cylinder 19 is fixedly connected with a connecting shaft 18, and limiting components 2 are respectively arranged inside the housing 3 and at two sides of the connecting shaft 18, two sets of spacing subassemblies 2 symmetry sets up, and the peripheral cover of lift shaft 15 is equipped with connecting sleeve 16, and the one end that pneumatic cylinder 19 was kept away from to connecting axle 18 is provided with connecting rod 17 perpendicularly, and connecting axle 18 passes through connecting rod 17 and connecting sleeve 16 swing joint.

Top fixedly connected with fixing base 23 in

casing

3, 20 upper end swing joint of arc fixed block are inside

fixing base

23, and 20 lower extremes of two arc fixed blocks pass through second bolt 21 fixed connection.

A placing groove 24 is formed in one side, close to the hydraulic cylinder 19, of the baffle plate 22, and one end, far away from the connecting shaft 18, of the hydraulic cylinder 19 is connected into the placing groove 24.

When specifically setting up, can carry on spacingly to pneumatic cylinder 19 through setting up baffle 22, avoid taking place the drunkenness in the course of the work, through at the inside standing groove 24 that sets up of baffle 22, can play preliminary fixed effect when installing pneumatic cylinder 19, place pneumatic cylinder 19 one end inside standing groove 24 then through upset arc fixed block 20, rethread second bolt 21 fixes two arc fixed blocks 20 outside pneumatic cylinder 19, thereby can fix pneumatic cylinder 19, improve the stability of pneumatic cylinder 19 operation.

One side fixedly connected with fixed plate 11 that casing 3 was kept away from to fixed sleeve 9, and every support arm 5 is kept away from the inside all rotation of one end of fixed disk 7 and is connected with connection ball 10.

When specifically setting up, fix fixed disk 7 through first bolt 8 to can fix support arm 5, connecting block 6 and connecting ball 10 are used for being connected ploughing utensil and support arm 5, thereby rotate through support arm 5 and drive the ploughing utensil and reciprocate.

Support arm 5 lower extreme fixedly connected with connecting block 6, a plurality of mounting holes 13 have been seted up to 1 edge of base, and 1 one side of base is provided with two connect the passageway 14 that communicates with casing 3, and one side of 3 upper surfaces of casing is provided with apron 12, and the one end that casing 3 is close to fixed sleeve 9 is provided with connector 4, and connector 4 is located 3 upper surfaces of casing.

When specifically setting up, through set up interface channel 14 in base 1 upper surface one side, can play the effect of protection to connecting tube or circuit, prolong the life of pipeline or circuit, through setting up apron 12, can be convenient for maintain the inside spare part of casing 3.

The limiting assembly 2 comprises a supporting plate 201 and an I-shaped shaft 204, the I-shaped shaft 204 is rotatably connected to one end of the supporting plate 201, one end, far away from the I-shaped shaft 204, of the supporting plate 201 is fixedly connected with a third bolt 202, the inner wall of the shell 3 is symmetrically and fixedly connected with two mounting blocks 203, each third bolt 202 is rotatably connected to the corresponding mounting block 203, and the I-shaped shaft 204 is in rolling connection with the periphery of the connecting shaft 18.

When specifically setting up, backup pad 201 rotates with installation piece 203 to be connected, can be convenient for connect the installation to connecting axle 18 through rotating backup pad 201, rotate backup pad 201 again after having installed and make two backup pad 201 collineations, thereby make I-shaped axle 204 support at connecting axle 18 both sides, it can carry out spacingly to screw up third bolt 202 to connecting axle 18, avoid connecting axle 18 during operation to take place the skew, improve the stability of connecting sleeve 16 rotation process, and then can avoid taking place wearing and tearing between connecting sleeve 16 and the 3 inner walls of casing, the noise is reduced, and make the device operate steadily.

The working principle of the lifter assembly for the tractor comprises the following steps:

when the connecting sleeve is used, firstly, the hydraulic cylinder 19 is installed, the two arc-shaped fixing blocks 20 are rotated to be in an open state, then one end of the hydraulic cylinder 19 is placed in the placing groove 24 and attached to the inner wall of the connecting channel 14, then the two arc-shaped fixing blocks 20 are closed, the two arc-shaped fixing blocks 20 are fixed through the second bolts 21, so that the hydraulic cylinder 19 is firmly fixed, then the third bolts 202 on the two sides are unscrewed, the two supporting plates 201 are rotated, the connecting shaft 18 is fixedly connected with the output end of the hydraulic cylinder 19, then the two supporting plates 201 are rotated to be horizontal, so that the I-shaped shaft 204 is attached to the outer peripheral surface of the connecting shaft 18, one end of the connecting shaft 18 is connected to the lower end of the connecting sleeve 16 through the connecting rod 17, when the hydraulic cylinder 19 is started, the output end of the hydraulic cylinder 19 drives the connecting shaft 18 to move, so that the I-shaped shaft 204 rotates, and the I-shaped shaft 204 plays a limiting role in the moving process of the connecting shaft 18, the connecting sleeve 16 is driven to rotate by the connecting shaft 18, so that the lifting shaft 15 and the supporting arm 5 are driven to rotate, and when the lower end of the supporting arm 5 is connected with a cultivator, the cultivator can be driven to move up and down.

The specific type and specification of the hydraulic cylinder 19 are determined according to actual use conditions.

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 invention may be embodied in other specific forms without departing from the spirit or essential attributes 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a lifter assembly for tractor, includes base (1), fixed surface is connected with casing (3) on base (1), casing (3) one end fixedly connected with fixed sleeve (9), its characterized in that: the inner part of the fixed sleeve (9) is rotatably connected with a lifting shaft (15), two supporting arms (5) are fixedly connected to two ends of the lifting shaft (15), the two supporting arms (5) are respectively located at two ends of the fixed sleeve (9), one side, far away from the lifting shaft (15), of each supporting arm (5) is fixedly provided with a fixed disc (7), the fixed disc (7) is connected with a first bolt (8), the supporting arms (5) are connected with the fixed disc (7) through the first bolts (8), the base (1) is fixedly connected with a hydraulic cylinder (19), the hydraulic cylinder (19) is symmetrically provided with two arc-shaped fixed blocks (20), one end, inside the shell (3), located at the hydraulic cylinder (19), of each shell is fixedly provided with a baffle (22), the output end of the hydraulic cylinder (19) is fixedly connected with a connecting shaft (18), the inner part of the shell (3), located at two sides of the connecting shaft (18), is respectively provided with a limiting component (2), two sets of spacing subassembly (2) symmetry sets up, the peripheral cover of lift shaft (15) is equipped with connecting sleeve (16), the one end that pneumatic cylinder (19) were kept away from in connecting axle (18) is provided with connecting rod (17) perpendicularly, connecting axle (18) are through connecting rod (17) and connecting sleeve (16) swing joint.

2. A lifter assembly for a tractor according to claim 1, wherein: support arm (5) lower extreme fixedly connected with connecting block (6), a plurality of mounting holes (13) have been seted up to base (1) edge, base (1) one side is provided with two connect the passageway (14) that communicate with casing (3), one side of casing (3) upper surface is provided with apron (12), the one end that casing (3) are close to fixed sleeve (9) is provided with connector (4), connector (4) are located casing (3) upper surface.

3. A lifter assembly for a tractor according to claim 1, wherein: one side fixedly connected with fixed plate (11) of casing (3) is kept away from in fixed sleeve (9), every the support arm (5) are kept away from the inside connection ball (10) that all rotates of one end of fixed disk (7).

4. A lifter assembly for a tractor according to any of claims 1-3, wherein: top fixedly connected with fixing base (23) in casing (3), arc fixed block (20) upper end swing joint is inside fixing base (23), two arc fixed block (20) lower extreme passes through second bolt (21) fixed connection.

5. A lifter assembly for a tractor according to claim 1, wherein: a placing groove (24) is formed in one side, close to the hydraulic cylinder (19), of the baffle plate (22), and one end, far away from the connecting shaft (18), of the hydraulic cylinder (19) is connected into the placing groove (24).

6. A lifter assembly for a tractor according to claim 1, wherein: spacing subassembly (2) include backup pad (201) and I-shaped axle (204), I-shaped axle (204) rotate to be connected in backup pad (201) one end, the equal fixedly connected with third bolt (202) of one end that I-shaped axle (204) were kept away from in backup pad (201), two installation pieces (203) of casing (3) inner wall symmetry fixedly connected with, every third bolt (202) all rotate to be connected on corresponding installation piece (203), I-shaped axle (204) and connecting axle (18) periphery roll connection.