CN210247441U

CN210247441U - Lifter for tractor

Info

Publication number: CN210247441U
Application number: CN201920916713.0U
Authority: CN
Inventors: 张玉栋; 杲明川; 王禹瑄
Original assignee: Shandong Kanghong Machinery Co ltd
Current assignee: Shandong Kanghong Machinery Co ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-04-07
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a lifter for a tractor, which comprises a lifter panel and a lifting shaft spacer bush, wherein the lifting shaft spacer bush is welded with the lifter panel, a lifting shaft is arranged in the lifter spacer bush, a lubricating device is arranged between the lifter spacer bush and the lifting shaft, and lifting arms are arranged at two ends of the lifting shaft through a fixing device; the welding lifter has the advantages of simple structure, small volume, increased space between a cab and a chassis, convenience in disassembly, assembly and maintenance of the chassis, convenience in optimizing the layout of the multi-way valve, the distributor and the oil pipe at the tail of the tractor, short production period of the welding structure, light weight, low cost, energy conservation, environmental protection and quick modification.

Description

Lifter for tractor

Technical Field

The utility model relates to a tractor is with lifting mechanism.

Background

In order to lift or lower farm implements located behind a tractor, a lift is provided behind the tractor. The casting lifter is adopted in the prior art, the casting lifter is large in size, the space between a cab and a chassis is narrow, the chassis is inconvenient to assemble, disassemble and maintain, and the casting lifter is easy to crack after being used for a long time.

Disclosure of Invention

In order to compensate the above deficiency, the utility model provides a simple structure is small, has increased the space between driver's cabin and the chassis, and the dismouting maintenance on the chassis of being convenient for is convenient for optimize tractor afterbody multiple unit valve, distributor and oil pipe's overall arrangement, and production cycle is short, light in weight, with low costs, energy-concerving and environment-protective, the quick for tractor hoist of modification.

The technical scheme of the utility model is that: the utility model provides a riser for tractor, includes riser panel and lift axle spacer, the lift axle spacer with the welding of riser panel is in the same place, be equipped with the lift axle in the riser spacer, the riser spacer with be equipped with lubricating arrangement between the lift axle, the both ends of lift axle are installed the lift arm through fixing device.

As an optimal technical scheme, a lifting shaft spacer welding vertical plate is welded on the lifter panel, and the lifting shaft spacer welding vertical plate and the lifting shaft spacer are welded together.

As a preferable technical scheme, the lifter spacer comprises a cylindrical sleeve body, the sleeve body is provided with a central hole extending along the axis of the sleeve body, composite sleeves are fixedly installed in two ends of the central hole, the lifting shaft penetrates into the central hole from the composite sleeve at one end of the central hole and penetrates out of the central hole from the composite sleeve at the other end of the central hole, and a lubricating gap is arranged between the lifting shaft and the central hole.

As a preferred technical scheme, mounting holes are formed in two ends of the central hole, the axis of each mounting hole is overlapped with the axis of the central hole and communicated with the central hole, the diameter of each mounting hole is larger than that of the central hole, a composite sleeve is fixedly mounted in each mounting hole, and the inner diameter of each composite sleeve is smaller than that of the central hole.

As a preferred technical scheme, the lubricating device comprises a through hole formed in the composite sleeve, a lubricating groove communicated with the through hole is formed in the inner wall of the composite sleeve, the inner end of the lubricating groove extends to the inner end face of the composite sleeve, an opening is formed in the inner end face of the composite sleeve, a threaded hole communicated with the through hole is formed in the sleeve body, and a through type pressure injection oil cup is installed on the threaded hole.

Preferably, the lubrication grooves extend along a spiral line.

As a preferable technical scheme, the number of the spiral lines is two, and the two spiral lines are crossed at the through hole.

As a preferable technical scheme, an annular groove is formed in the inner wall of the composite sleeve, which is close to the outer end of the composite sleeve, and the outer end of the lubricating groove is connected to the annular groove.

As a preferred technical scheme, the fixing device includes a lifting shaft fixing plate, a through hole is formed in the lifting shaft fixing plate, the end surface of the lifting shaft is flush with the end surface of the lifting arm, the lifting shaft fixing plate is pressed on the end surface of the lifting shaft and the end surface of the lifting arm, a screw hole is formed in the end surface of the lifting shaft, and the fixing device further includes a fixing bolt, and the fixing bolt penetrates through the through hole to be screwed in the screw hole.

Preferably, the outer end surface of the composite sleeve is flush with the end surface of the lifting shaft spacer.

Due to the adoption of the technical scheme, the lifter for the tractor comprises a lifter panel and a lifting shaft spacer bush, wherein the lifting shaft spacer bush is welded with the lifter panel, a lifting shaft is arranged in the lifter spacer bush, a lubricating device is arranged between the lifter spacer bush and the lifting shaft, and two ends of the lifting shaft are provided with lifting arms through fixing devices; the welding lifter has the advantages of simple structure, small volume, increased space between a cab and a chassis, convenience in disassembly, assembly and maintenance of the chassis, convenience in optimizing the layout of the multi-way valve, the distributor and the oil pipe at the tail of the tractor, short production period of the welding structure, light weight, low cost, energy conservation, environmental protection and quick modification.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at I;

fig. 3 is a schematic structural diagram of the composite sleeve in the embodiment of the present invention;

fig. 4 is a cross-sectional view of a riser spacer in an embodiment of the invention.

Detailed Description

As shown in fig. 1 to 4, a lifter for a tractor comprises a lifter panel 1 and a lifting shaft spacer 2, wherein the lifting shaft spacer 2 is welded with the lifter panel 1, a lifting shaft 3 is arranged in the lifter spacer 2, a lubricating device is arranged between the lifter spacer 2 and the lifting shaft 3, and lifting arms 4 are mounted at two ends of the lifting shaft through fixing devices. The welding lifter has the advantages of simple structure, small volume, increased space between a cab and a chassis, convenience in disassembly, assembly and maintenance of the chassis, convenience in optimizing the layout of the multi-way valve, the distributor and the oil pipe at the tail of the tractor, short production period of the welding structure, light weight, low cost, energy conservation, environmental protection and quick modification.

As shown in fig. 1, in order to further improve the welding strength of the lift shaft spacer, a lift shaft spacer welding riser 5 is welded on the lifter panel 1, and the lift shaft spacer welding riser 5 is welded with the lift shaft spacer 2.

As shown in fig. 1, the lifter spacer comprises a cylindrical sleeve body 6, the sleeve body has a central hole 7 extending along the axis of the sleeve body, composite sleeves 8 are fixedly installed in two ends of the central hole 7, the lifting shaft 3 penetrates into the central hole from the composite sleeve at one end of the central hole 7 and penetrates out of the central hole 7 from the composite sleeve at the other end of the central hole, and a lubricating gap 18 is arranged between the lifting shaft and the central hole.

As shown in fig. 4, mounting holes 9 are provided at two ends of the central hole, the axis of the mounting hole coincides with the axis of the central hole and is communicated with the central hole, the diameter of the mounting hole 9 is larger than the diameter of the central hole 7, a composite sleeve 8 is fixedly mounted in the mounting hole 9, and the inner diameter of the composite sleeve 8 is smaller than the inner diameter of the central hole 7. This provides a lubrication gap 18 between the lifting shaft and the central bore. Lubrication is facilitated.

As shown in fig. 1, 2 and 3, the lubricating device includes a through hole 10 provided on the composite sleeve 8, a lubricating groove 11 communicated with the through hole is provided on the inner wall of the composite sleeve, the inner end of the lubricating groove extends to the inner end face of the composite sleeve and is provided with an opening on the inner end face of the composite sleeve, the sleeve body is provided with a threaded hole 12 communicated with the through hole 10, and the threaded hole is provided with a through type pressure injection oil cup 13. The through hole is connected with the threaded hole and the lubricating groove, so that the lubrication added from the straight-through type pressure injection oil cup can enter the lubricating groove through the through hole and then enter the lubricating gap through the opening.

As shown in fig. 3, the lubrication grooves extend along the spiral line.

Preferably, the number of the spiral lines is two, and the two spiral lines intersect at the through hole.

An annular groove 17 is formed in the inner wall of the composite sleeve, close to the outer end of the composite sleeve, and the outer end of the lubricating groove is connected to the annular groove 17. Because the annular groove is provided with the lubricating oil which can be accumulated in the annular groove and enter the lubricating groove, the lubricating oil can not flow out from the outer end of the composite sleeve, and the lubricating effect is ensured. The outer end of the lubrication groove refers to the end of the lubrication groove adjacent to the lifting arm, and the inner end of the lubrication groove refers to the end of the lubrication groove away from the lifting arm.

As shown in fig. 1, the fixing device includes a lifting shaft fixing plate 14, a through hole is provided on the lifting shaft fixing plate 14, the end surface of the lifting shaft is flush with the end surface of the lifting arm, the lifting shaft fixing plate presses on the end surface of the lifting shaft and the end surface of the lifting arm, a screw hole is provided on the end surface of the lifting shaft, the fixing device further includes a fixing bolt 16, and the fixing bolt 16 penetrates through the through hole to be screwed in the screw hole.

The outer end face of the composite sleeve is flush with the end face of the lifting shaft spacer sleeve. The outer end of the composite sleeve is the end of the composite sleeve adjacent the lifting arm.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A lifter for a tractor is characterized in that: including lifting mechanism panel and lifting shaft spacer, the lifting shaft spacer with the welding of lifting mechanism panel is in the same place, be equipped with the lifting shaft in the lifting mechanism spacer, the lifting mechanism spacer with be equipped with lubricating arrangement between the lifting shaft, the both ends of lifting shaft are installed the lift arm through fixing device.

2. A lifter for a tractor according to claim 1, wherein: a lifting shaft spacer sleeve welding vertical plate is welded on the lifter panel, and the lifting shaft spacer sleeve welding vertical plate and the lifting shaft spacer sleeve are welded together.

3. A lifter for a tractor according to claim 2, wherein: the lifter spacer comprises a cylindrical sleeve body, the sleeve body is provided with a central hole extending along the axis of the sleeve body, composite sleeves are fixedly mounted in two ends of the central hole, the lifting shaft penetrates into the central hole from the composite sleeve at one end of the central hole and penetrates out of the composite sleeve at the other end of the central hole, and a lubricating gap is formed between the lifting shaft and the central hole.

4. A lifter for a tractor according to claim 3, wherein: the two ends of the central hole are provided with mounting holes, the axis of each mounting hole is overlapped with the axis of the central hole and communicated with the central hole, the diameter of each mounting hole is larger than that of the central hole, a composite sleeve is fixedly mounted in each mounting hole, and the inner diameter of each composite sleeve is smaller than that of the central hole.

5. A lifter for a tractor according to claim 4, characterized in that: the lubricating device comprises a through hole formed in the composite sleeve, a lubricating groove communicated with the through hole is formed in the inner wall of the composite sleeve, the inner end of the lubricating groove extends to the inner end face of the composite sleeve, an opening is formed in the inner end face of the composite sleeve, a threaded hole communicated with the through hole is formed in the sleeve body, and a through type pressure injection oil cup is mounted on the threaded hole.

6. A lifter for a tractor according to claim 5, characterized in that: the lubrication grooves extend along the spiral line.

7. A lifter for a tractor according to claim 6, characterized in that: the number of the spiral lines is two, and the two spiral lines are crossed at the through hole.

8. A lifter for a tractor according to claim 5, characterized in that: an annular groove is formed in the inner wall of the composite sleeve, close to the outer end of the composite sleeve, and the outer end of the lubricating groove is connected to the annular groove.

9. A lifter for a tractor according to any one of claims 1 to 8, wherein: fixing device includes the lift shaft fixed plate, be equipped with the through-hole on the lift shaft fixed plate, the terminal surface of lift shaft with the terminal surface parallel and level of lift arm, the lift shaft fixed plate is pressed the terminal surface of lift shaft with on the terminal surface of lift arm, be equipped with the screw on the terminal surface of lift shaft, fixing device still includes fixing bolt, fixing bolt passes the through-hole closes soon in the screw.

10. A lifter for a tractor according to claim 8, wherein: the outer end face of the composite sleeve is flush with the end face of the lifting shaft spacer sleeve.