CN209824370U - Tractor lifting device - Google Patents
Tractor lifting device Download PDFInfo
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- CN209824370U CN209824370U CN201920546244.8U CN201920546244U CN209824370U CN 209824370 U CN209824370 U CN 209824370U CN 201920546244 U CN201920546244 U CN 201920546244U CN 209824370 U CN209824370 U CN 209824370U
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- tractor
- lifting
- base
- arm
- pull rod
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Abstract
The utility model discloses a tractor hoisting device relates to tractor technical field. Tractor hoisting device, including promoting base and last pull rod fixing base, it includes the fixing base body to go up the pull rod fixing base, the fixing base body is provided with the connecting block of heightening, the connecting block with promote and connect through locking structure between the base. The utility model discloses tractor hoisting device has solved the problem that promotes base and tractor rear-axle housing body butt joint face oil leak, has improved the quality of equipment, has prolonged the life of equipment.
Description
Technical Field
The utility model relates to a tractor technical field, concretely relates to tractor hoisting device.
Background
The tractor is a power machine of combined type operation, and the operation in-process needs frequently to use the lifting mechanism to drive agricultural implement and carry out the lift operation. Its relation of being connected of current lifting mechanism and tractor rear-axle housing is shown in fig. 3, promotes base 1 and sets up in the upper surface of tractor rear-axle housing 13, promotes the flange of 1 butt joint of base and the butt joint face of tractor rear-axle housing 13 and passes through vertical connecting bolt 12 fixed connection, goes up pull rod fixing base 11 and passes through the fixed rear end face that sets up at rear-axle housing 13 of connecting bolt 14. However, with the increasing of the horsepower section of modern tractor and agricultural implement weight, the reaction force that the lifting ware promoted and descends in the course of the work just also is bigger and bigger, and after the tractor worked for a period, connecting bolt 12 between flange and the tractor rear axle housing 13 and connecting bolt 14 between last pull rod fixing base 11 and the tractor rear axle housing 13 generally appeared not hard up and the phenomenon of splitting, directly lead to promoting base 1 and tractor rear axle housing 13 butt joint face oil leak and agricultural implement hang unstably.
SUMMERY OF THE UTILITY MODEL
To the above defect that prior art exists, the utility model provides a tractor hoisting device, this tractor hoisting device have solved the problem that promotes base and tractor rear-axle housing body butt joint face oil leak, have improved the quality of equipment, have prolonged the life of equipment.
In order to solve the technical problem, the utility model discloses a technical scheme is:
tractor hoisting device, including promoting base and last pull rod fixing base, it includes the fixing base body to go up the pull rod fixing base, the fixing base body is provided with the connecting block of heightening, the connecting block with promote and connect through locking structure between the base.
Wherein, the connecting block with fixing base body an organic whole sets up, the connecting block with promote the connection face that base rear end face is connected the connection face that fixing base body and tractor rear-axle housing rear end face are connected on the coplanar.
Wherein, the connecting block with the fixing base body integrated casting shaping.
The locking structure comprises a threaded hole formed in the lifting base, a first through hole formed in the connecting block, and a threaded fastener penetrating through the first through hole and connected with the threaded hole.
Wherein, the fixing base body be provided with be used for with the second through-hole of tractor rear-axle housing body coupling to and be used for installing the hinge lug of pull rod.
Wherein, promote the base be provided with the flange of tractor rear-axle housing body coupling.
The tractor lifting device further comprises a lifting arm, a connecting arm, a hydraulic oil cylinder and a lifting mechanism, wherein the connecting arm is used for connecting the upper pull rod and the lower pull rod of the agricultural implement, and the hydraulic oil cylinder is used for driving the lifting arm to move up and down; the lifting arms are hinged to two sides of the lifting base; the lower pull rods are hinged to two sides of the bottom of the rear axle housing; one end of the connecting arm is hinged to the lifting arm, and the other end of the connecting arm is hinged to the lower pull rod; the upper pull rod is hinged to the hinge lug of the upper pull rod fixing seat.
The lifting arm comprises a lifting arm body and a hinge block fixedly arranged on the inner side of the lifting arm body, one end of the lifting arm body is rotatably arranged on a rotating shaft on the lifting base, and the other end of the lifting arm body is hinged with the connecting arm; the hydraulic oil cylinder is fixedly arranged on the rear axle housing of the tractor, and the power output end of the hydraulic oil cylinder is hinged to the hinge block.
Wherein, articulated piece with lift arm body is integrative to be set up.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the tractor lifting device provided by the utility model is characterized in that the lifting base is fixedly arranged on the upper surface of the rear axle shell of the tractor, so that the lifting base is vertically locked and fixed, the connecting block of the upper pull rod fixing seat is fixedly connected with the rear end face of the lifting base, so that the lifting base is locked and fixed in the transverse direction, compared with the connecting mode in the prior art, its joint strength can promote the twice, simultaneously, with the load by original whole on tractor rear-axle housing rear end face apportionment tractor rear-axle housing and promote the base, overcome the raiser and to promoting the reaction force that the base produced when promoting or descending action, the effectual connecting bolt that has avoided is not hard up and the fracture problem, has solved the problem that promotes base and tractor rear-axle housing body butt joint face oil leak, has improved the quality of equipment, has prolonged the life of equipment.
Drawings
FIG. 1 is a schematic structural view of the connection between the tractor lifting device and the rear axle housing of the tractor according to the present invention;
FIG. 2 is a schematic structural view of the upper drawbar fixing base in FIG. 1;
FIG. 3 is a schematic illustration of a prior art tractor hoist attachment to the rear axle housing of a tractor;
in the figure: 1-lifting base, 2-upper pull rod fixing base, 21-fixing base body, 22-connecting block, 23-first through hole, 24-second through hole, 25-hinge lug, 3-stud bolt, 4-nut, 5-lifting arm, 51-lifting arm body, 52-hinge block, 6-connecting arm, 7-upper pull rod, 8-lower pull rod, 9-hydraulic oil cylinder, 10-rotating shaft, 11-upper pull rod fixing base, 12-connecting bolt, 13-tractor rear axle shell and 14-connecting bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. For the purpose of describing the tractor hoist of the present invention, the orientation of the tractor hoist is described as horizontal and vertical, and the description of the orientation does not constitute a limitation on the scope of protection.
As shown in fig. 1 and fig. 2 together, the tractor lifting device comprises a lifting base 1 and an upper pull rod fixing seat 11, wherein the upper pull rod fixing seat 2 comprises a fixing seat body 21, the fixing seat body 21 is provided with an increased connecting block 22, and the connecting block 22 is connected with the lifting base 1 through a locking structure. Through connecting block 22 and lifting pedestal 1 fixed connection, make lifting pedestal 1 lock fixedly in horizontal.
As shown in fig. 1 and fig. 2 together, the connecting block 22 and the fixing base body 21 in the present embodiment are integrally arranged, and the connecting surface of the connecting block 22 connected with the rear end surface of the lifting base 1, and the connecting surface of the fixing base body 21 connected with the rear end surface of the rear axle housing 13 of the tractor are on the same plane. The width of preferred connecting block 22 is less than the width of fixing base body 21 in this embodiment, adopts such structure, has eliminated stress concentration, has improved the joint strength of upper pull rod fixing base 2, has guaranteed the stability of equipment during operation.
As shown in fig. 2, in this embodiment, it is preferable that the connecting block 22 is integrally cast with the fixing base body 21. In practical application, the mold can be integrally formed, and this embodiment is not limited thereto, and the designer can design the mold according to the requirement.
As shown in fig. 1 and 2, the locking structure in this embodiment includes a threaded hole provided in the lifting base 1, a first through hole 23 provided in the connecting block 22, and a threaded fastener connected to the threaded hole through the first through hole 23. The threaded fastener preferably adopts stud bolt 3 and nut 4 in this embodiment, and stud bolt 3's one end threaded connection is in the screw hole, and stud bolt 3's the other end passes first through-hole 23 and is connected with nut 4. In this embodiment, it is preferable that the height of the connecting block 22 is 84mm, four first through holes 23 are provided, and the diameters of the four first through holes 23 are all 17 mm; correspondingly, four threaded holes are also formed in the lifting base 1, the specification of the four threaded holes is M16, the lifting base 1 is provided with two reinforcing ribs, and the four threaded holes are symmetrically formed in the two reinforcing ribs; correspondingly, four stud bolts 3 and four nuts 4 are arranged, and the specification is M16.
As shown in fig. 1 and 2 together, the holder body 21 in the present embodiment is provided with a second through hole 24 for connection with the tractor rear axle housing 13, and a hinge lug 25 for mounting the upper tie rod 7. In this embodiment, it is preferable that the second through holes 24 have the same diameter as the first through holes 23, and four second through holes 24 are provided.
As shown collectively in fig. 1 and 2, the lifting base 1 in the present embodiment is provided with a connecting flange that is connected to a rear axle housing 13 of the tractor. The connecting flange is tightly connected with the butt joint surface of the rear axle housing 13 of the tractor through the connecting bolt 12, so that the lifting base 1 is vertically locked and fixed.
As shown in fig. 1 and 2, the tractor lifting device in this embodiment further includes a lifting arm 5, a connecting arm 6, an upper pull rod 7 and a lower pull rod 8 for connecting the agricultural implement, and a hydraulic cylinder 9 for driving the lifting arm 5 to move up and down; the lifting arms 5 are hinged to two sides of the lifting base 1; the lower pull rods 8 are hinged to two sides of the bottom of the rear axle housing 13 of the tractor; one end of the connecting arm 6 is hinged with the lifting arm 5, and the other end is hinged with the lower pull rod 8; the upper pull rod 7 is hinged with the hinge lug 25 of the upper pull rod fixing seat 2.
As shown in fig. 1, the lift arm 5 in this embodiment includes a lift arm body 51 and a hinge block 52 fixedly disposed inside the lift arm body 51, one end of the lift arm body 51 is rotatably mounted on the rotating shaft 10 on the lift base 1, and the other end is hinged to the connecting arm 6; the hydraulic oil cylinder 9 is fixedly arranged on the rear axle housing 13 of the tractor, and the power output end of the hydraulic oil cylinder 9 is hinged to the hinge block 52. The hinge block 52 is preferably provided integrally with the lift arm body 51 in this embodiment. The lifting arm 5 is driven to move up and down through the hydraulic oil cylinder 9, so that the lifting or the descending of the agricultural implement connected to the upper pull rod 7 and the lower pull rod 8 are realized.
The utility model provides a tractor lifting device, through setting up lifting base 1 fixed on the upper surface of tractor rear axle housing 13, make lifting base 1 lock fixedly in the vertical, through connecting block 22 of upper pull rod fixing base 2 and the rear end face fixed connection of lifting base 1, make lifting base 1 lock fixedly in the horizontal, this kind of connected mode compares with the connected mode shown in figure 3, its joint strength can promote the twice, simultaneously, distribute the load to tractor rear axle housing 13 and lifting base 1 on tractor rear axle housing 13 rear end face from original whole, overcome the reaction force that the raiser produced to lifting base 1 when doing the promotion or descending action, the effectual connecting bolt that has avoided becomes flexible and the fracture problem, solved the problem of lifting base 1 and tractor rear axle housing 13 interface oil leak, improved the quality of equipment, the service life of the equipment is prolonged.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without the labor of creation from the above conception, which falls within the protection scope of the present invention.
Claims (9)
1. Tractor hoisting device, including promoting base and last pull rod fixing base, go up the pull rod fixing base and include the fixing base body, its characterized in that, the fixing base body is provided with the connecting block of heightening, the connecting block with promote and connect through locking structure between the base.
2. The tractor lifting device according to claim 1, wherein the connecting block is integrally provided with the fixing base body, and the connecting surface of the connecting block connected with the rear end face of the lifting base and the connecting surface of the fixing base body connected with the rear end face of the rear axle housing of the tractor are on the same plane.
3. The tractor lifting device of claim 2, wherein the connecting block is cast integrally with the holder body.
4. The tractor lifting apparatus of claim 2, wherein the locking structure includes a threaded hole provided to the lifting base, a first through hole provided to the connecting block, and a threaded fastener passing through the first through hole to connect with the threaded hole.
5. The tractor lifting apparatus according to claim 4, wherein the holder body is provided with a second through hole for connection with the tractor rear axle housing, and a hinge lug for mounting an upper tie rod.
6. The tractor lift arrangement of claim 5, wherein the lift base is provided with a connecting flange connected to the tractor rear axle housing.
7. The tractor lifting device of claim 5, further comprising a lifting arm, a connecting arm for connecting the upper and lower links of an agricultural implement, and a hydraulic cylinder for driving the lifting arm to move up and down; the lifting arms are hinged to two sides of the lifting base; the lower pull rods are hinged to two sides of the bottom of the rear axle housing; one end of the connecting arm is hinged to the lifting arm, and the other end of the connecting arm is hinged to the lower pull rod; the upper pull rod is hinged to the hinge lug of the upper pull rod fixing seat.
8. The tractor lifting device of claim 7, wherein the lifting arm comprises a lifting arm body and a hinge block fixedly arranged on the inner side of the lifting arm body, one end of the lifting arm body is rotatably mounted on a rotating shaft on the lifting base, and the other end of the lifting arm body is hinged with the connecting arm; the hydraulic oil cylinder is fixedly arranged on the rear axle housing of the tractor, and the power output end of the hydraulic oil cylinder is hinged to the hinge block.
9. The tractor lift of claim 8, wherein the hinge block is integrally provided with the lift arm body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920546244.8U CN209824370U (en) | 2019-04-19 | 2019-04-19 | Tractor lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920546244.8U CN209824370U (en) | 2019-04-19 | 2019-04-19 | Tractor lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209824370U true CN209824370U (en) | 2019-12-24 |
Family
ID=68912843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920546244.8U Active CN209824370U (en) | 2019-04-19 | 2019-04-19 | Tractor lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209824370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873512A (en) * | 2021-02-05 | 2022-08-09 | 江苏常发农业装备股份有限公司 | Raiser shell and tractor |
-
2019
- 2019-04-19 CN CN201920546244.8U patent/CN209824370U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873512A (en) * | 2021-02-05 | 2022-08-09 | 江苏常发农业装备股份有限公司 | Raiser shell and tractor |
| CN114873512B (en) * | 2021-02-05 | 2024-05-07 | 江苏常发农业装备股份有限公司 | Lifter shell and tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200901 Address after: 261200 Weizhou road and Economic Development Zone, Fangzi District, Weifang City, Shandong Province Patentee after: Shandong Shilihe Precision Machinery Co.,Ltd. Address before: 261200 South Road, 200 meters east of Fenghuang street and Xingguo Road, Fangzi District, Weifang, Shandong Patentee before: WEIFANG RUIWO AGRICULTURAL EQUIPMENT Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Tractor lifting device Effective date of registration: 20220322 Granted publication date: 20191224 Pledgee: Weifang Bank Co.,Ltd. Fangzi Chongwen street sub branch Pledgor: Shandong Shilihe Precision Machinery Co.,Ltd. Registration number: Y2022980002911 |