CN214430007U - Strong pressure lifting device and tractor - Google Patents
Strong pressure lifting device and tractor Download PDFInfo
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- CN214430007U CN214430007U CN202120566047.XU CN202120566047U CN214430007U CN 214430007 U CN214430007 U CN 214430007U CN 202120566047 U CN202120566047 U CN 202120566047U CN 214430007 U CN214430007 U CN 214430007U
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- mounting groove
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- lifting shaft
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Abstract
The utility model relates to a forced pressure hoisting device and tractor, including the casing, the front side fixed mounting of diapire has the boss in the casing, and is equipped with at least one recess on the rear side of diapire in the casing. The utility model has the advantages that the design of light weight, low shell and concave-convex structure is adopted, the structure is compact, the design is reasonable, the shell thickness is increased through the design of the reinforcing plate to increase the shell strength, the material consumption is reduced, the shell weight is lightened, and the manufacturing cost is reduced; meanwhile, the distortion caused by uneven stress caused by the thickness difference of the shell can be overcome, and the service life of the shell is prolonged.
Description
Technical Field
The utility model relates to a tractor technical field, concretely relates to high pressure hoisting device and tractor.
Background
In order to lift or lower farm implements towed behind a tractor, a lift is provided behind the tractor. The tractor lifter is an essential part for the coordinated work of a tractor and a matched agricultural implement, belongs to one of core parts of the tractor industry, and generally comprises a lifter shell, a lifting shaft, a lifting arm and a hydraulic oil cylinder. At present, the existing hydraulic lifter of a tractor has the disadvantages of complex structure, large volume, heavy weight and overweight weight of the whole tractor, and is easy to cause the whole tractor to sink when used for paddy field operation, thus affecting the working efficiency; meanwhile, the arrangement of human engineering is unreasonable, and the operation comfort is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a high pressure hoisting device and a tractor are provided, which aim to solve the technical problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the utility model provides a forced-draft lifting device, includes the casing, the front side fixed mounting of diapire has the boss in the casing, just be equipped with at least one recess on the rear side of diapire in the casing.
The utility model has the advantages that: the utility model discloses a lightweight, low casing and concave-convex structure design, compact structure, reasonable in design has reduced the material quantity, has alleviateed casing weight, has reduced manufacturing cost.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, a lifting shaft is horizontally and rotatably arranged in the front end of the shell, and two ends of the lifting shaft respectively extend out of the shell and are respectively fixedly connected with one ends of two outer lifting arms which can be turned over up and down.
The beneficial effect who adopts above-mentioned further scheme is that when using, the other end and the lift bar of two outer lift arms are connected, drive two outer lift arms through the lift bar and overturn from top to bottom to drive the lift shaft and rotate, easy and simple to handle.
Furthermore, the two ends of the lifting shaft are respectively fixedly sleeved with a limiting plate, and the two outer lifting arms are located between the two limiting plates.
The beneficial effect who adopts above-mentioned further scheme is that can effectively prevent to promote axle axial float through two limiting plates, increases the stability of promoting the axle.
Furthermore, a feedback plate used for transmitting the rotation signal of the lifting shaft to a control system is fixedly connected to any one of the limiting plates.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design can effectively give control system with lifting shaft pivoted signal transmission through the feedback board, improves the accuracy.
Further, be equipped with the equal open mounting groove in both sides in the casing front end, lift shaft horizontal rotation installs in the mounting groove, its both ends extend respectively outside the mounting groove.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design makes things convenient for dismouting lifting shaft.
Further, the both ends of mounting groove fixed mounting respectively have the copper axle sleeve, the both ends of lifting shaft pass two respectively extend to behind the copper axle sleeve outside the mounting groove.
The beneficial effect who adopts above-mentioned further scheme is that carrying out simple injecing through two copper axle sleeves to the lift axle, effectively prevents to lift the axle and takes place to remove around, increases the stability of lifting the axle.
Furthermore, a spacer bush is coaxially and fixedly mounted in each copper shaft sleeve, and two ends of the lifting shaft respectively penetrate through the two spacer bushes and then extend out of the shell.
Adopt above-mentioned further scheme's beneficial effect to prevent further effectively through the spacer sleeve that the lift axle from the removal of front and back direction, guarantee the stability of lift axle.
Furthermore, the shell is provided with at least one grease nipple which is communicated with the mounting groove and is used for introducing lubricating oil.
The beneficial effect who adopts above-mentioned further scheme is that when using, the grease nipple passes through pipeline and lubricating oil supply equipment intercommunication, and lubricating oil passes through in the grease nipple gets into the mounting groove to lubricated lifting shaft guarantees that lifting shaft normally rotates.
Furthermore, a sealing ring is fixedly arranged on the edge of the bottom of the shell.
The beneficial effects of adopting above-mentioned further scheme are that can further increase the holistic intensity of casing through the sealing washer, also can alleviate the weight of casing simultaneously, material saving and cost.
The utility model discloses still relate to a tractor, including the rear axle, still include as above hoisting device, casing fixed mounting be in on the rear axle.
The beneficial effect of adopting the further proposal is that the utility model adopts the design of light weight, low shell and concave-convex structure, the structure is compact, the design is reasonable, and the shell thickness is increased through the design of the reinforcing plate to increase the shell strength, reduce the material consumption, reduce the shell weight and reduce the manufacturing cost; meanwhile, the distortion caused by uneven stress caused by the thickness difference of the shell can be overcome, and the service life of the shell is prolonged.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a bottom view of the present invention;
fig. 4 is a schematic view of a part of the internal structure of the housing of the present invention;
fig. 5 is a schematic view of a partial structure of the middle housing of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a shell, 2, a boss, 3, a groove, 4, a sealing ring, 5, a lifting shaft, 6, an outer lifting arm, 7, a limiting plate, 8, a feedback plate, 9, a copper shaft sleeve, 10, a spacer bush, 11, a grease nipple, 12 and a lifting oil cylinder.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 5, the utility model provides a forced-air lifting device, including casing 1, the front side fixed mounting of diapire has boss 2 in casing 1, and is equipped with at least one recess 3 on the rear side of diapire in casing 1. The utility model discloses a lightweight, low casing and concave-convex structure design, compact structure, reasonable in design has reduced the material quantity, has alleviateed 1 weight of casing, has reduced manufacturing cost.
Preferably, the number of the grooves can be multiple, and the grooves are distributed at equal intervals, so that the strength of the shell 1 is not influenced, the material is saved, and the cost is saved.
In addition, the bottom of the shell 1 is provided with a pit at the position corresponding to the boss 2.
Example 1
On the basis of the above structure, in this embodiment, the lifting shaft 5 is installed in the front end of the housing 1 in a horizontally rotating manner, and two ends of the lifting shaft 5 respectively extend out of the housing 1 and are respectively fixedly connected with one ends of two outer lifting arms 6 capable of being turned over up and down. During the application, the other end and the lift bar of two outer lift arms 6 are connected, drive two outer lift arms 6 through the lift bar and overturn from top to bottom to drive lift shaft 5 and rotate, it is easy and simple to handle.
The shell 1 is fixedly arranged on a rear axle through bolts, two lifting oil cylinders 12 are arranged on the rear axle, and the upper end and the lower end of each lifting oil cylinder 12 are respectively and rotatably connected with the rear axle and one of the outer lifting arms 6; the two outer lifting arms 6 are synchronously driven to turn up and down through the two lifting oil cylinders 12, so that the lifting shaft 5 is driven to rotate.
Example 2
On the basis of the first embodiment, in the present embodiment, the two ends of the lifting shaft 5 are respectively provided with the limiting plates 7 by fastening bolts, and the two outer lifting arms 6 are located between the two limiting plates 7. This scheme can effectively prevent to promote 5 to the drunkenness of axle through two limiting plates 7, increases the stability that promotes axle 5.
Example 3
On the basis of the second embodiment, in this embodiment, a feedback plate 8 for transmitting a signal of the rotation of the lifting shaft 5 to the control system is fixedly connected to any one of the limiting plates 7 through a bolt, that is, one end of the feedback plate 8 is fixedly connected to the limiting plate 7, the other end of the feedback plate is rotatably connected to one end of a connecting rod, and the other end of the connecting rod extends to a corresponding part of the control system. This scheme simple structure, reasonable in design can effectively give control system with lifting shaft 5 pivoted signal transmission through feedback board 8, improves the accuracy.
The connection mode between the feedback board 8 and the control system and the specific structure and principle of the control system are all the prior art, and are not described herein again.
In addition to the above embodiment, the above-described feedback plate 8 may also be fixed to the end of the lift shaft 5 by bolts.
Example 4
On the basis of embodiment one, in this embodiment, be equipped with the equal open mounting groove in both sides in the casing 1 front end, lift 5 horizontal pivoted of axle installs in the mounting groove, and its both ends extend to outside the mounting groove respectively. Simple structure, reasonable in design makes things convenient for dismouting lifting shaft 5.
Example 5
On the basis of the fourth embodiment, in this embodiment, the copper bushings 9 are fixedly installed in the two ends of the installation groove respectively in a manner that can be thought by those skilled in the art, and the two ends of the lifting shaft 5 extend out of the installation groove after passing through the two copper bushings 9 respectively. This scheme carries out simple injecing through two copper bush 9 to lifting shaft 5, effectively prevents to lift shaft 5 front and back emergence and removes, increases lifting shaft 5's stability.
The inner wall of each copper shaft sleeve 9 is provided with a spiral groove, so that the copper shaft sleeves 9 can be lubricated better by lubricating oil conveniently.
Example 6
On the basis of the fifth embodiment, in the present embodiment, a spacer 10 is coaxially and fixedly installed in each copper shaft sleeve 9, and both ends of the lifting shaft 5 respectively penetrate through the two spacer 10 and extend to the outside of the housing 1. On one hand, the lifting shaft 5 is further effectively prevented from moving in the front-back direction through the spacer bush 10, and the stability of the lifting shaft 5 is ensured; on the other hand, for a tractor with a narrow space, one of the spacers 10 can be replaced by the feedback plate 8 in the third embodiment, and the specific scheme is as follows: the feedback plate 8 is fixedly arranged on the lifting shaft 5 by adopting a spline and is rotationally connected with one end of the connecting rod, and the other end of the connecting rod extends out of the mounting groove and extends to the corresponding part of the control system, so that a signal for feeding back the rotation of the lifting shaft 5 to the control system.
The above-mentioned scheme can be combined with the scheme of the second embodiment to the fourth embodiment as appropriate at will, and when the copper bush 9, the spacer 10 and the limiting plate 7 exist simultaneously, the two outer lifting arms 6 are located between the two limiting plates 7, and the two copper bushes 9 are located between the two outer lifting arms 6.
Example 7
On the basis of the fifth embodiment, in the present embodiment, at least one grease nipple 11 for introducing lubricating oil is disposed on the housing 1, and is communicated with the mounting groove. During the application, grease nipple 11 passes through pipeline and lubricating oil supply apparatus intercommunication, and lubricating oil gets into the mounting groove through grease nipple 11 in to lubricated lift shaft 5 guarantees lift shaft 5 and normally rotates.
Preferably, in the present embodiment, the number of the grease nipples 11 is preferably two, and the two grease nipples 11 are respectively located at two ends of the mounting groove so as to lubricate the two copper bushings 9.
The configuration and specific structure of the above lubricating oil supply device are all the prior art, and are not described herein again.
In addition to the above-described embodiment, the grease nipple 11 may also be present together with the spacer 10, in which case lubricating oil may flow into the mounting groove through between the spacer 10 and the copper bush 9 to lubricate the lift shaft 5.
Example 8
On the basis of the structure, in the embodiment, the bottom edge of the shell 1 is fixedly provided with the sealing ring 4 through the bolt, the sealing performance of the shell 1 and a rear axle joint surface can be ensured through the sealing ring 4, oil leakage is prevented, meanwhile, the sealing glue is convenient to paint due to the fact that the sealing ring 4 is narrow, the labor intensity is reduced, and the cost is saved.
Example 9
On the basis of the structure, the embodiment also relates to a tractor, which comprises a rear axle and the lifting device, wherein the shell 1 is fixedly installed on the rear axle through bolts. The utility model adopts the design of light weight, low shell and concave-convex structure, the structure is compact, the design is reasonable, the thickness of the shell 1 is increased by the design of the reinforcing plate to increase the strength of the shell 1, the material consumption is reduced, the weight of the shell 1 is lightened, and the manufacturing cost is reduced; meanwhile, the distortion caused by uneven stress caused by the thickness difference of the shell 1 can be overcome, and the service life of the shell 1 is prolonged.
The bottom plate of the shell 1 is connected with the rear axle, the sealing surface of the shell 1 adopts the design of the sealing surface with equal width on the premise of ensuring the width of the sealing belt, the weight of the shell 1 is reduced, the step design structure of a rear high boss and a front low boss is adopted outside the joint of the bottom of the shell 1 and the rear axle, the step design structure of a pit type is adopted inside, the strength and the sealing performance of the shell 1 are ensured, and the weight of the shell 1 is reduced
The casting lifting device is simple in structure and small in size, the space between a cab and a chassis is increased, the chassis is convenient to disassemble, assemble and maintain, the layout of a multi-way valve, a distributor and an oil pipe at the tail of a tractor is convenient to optimize, and the casting structure is short in production period, light in weight and small in size.
The working principle of the utility model is as follows:
the two outer lifting arms 6 are synchronously driven to turn up and down through the two lifting oil cylinders 12, so that the lifting shaft 5 is driven to rotate.
It should be noted that, the electronic components according to the present invention all adopt the prior art, and the above-mentioned components are electrically connected to the control system, and the control circuit between the control system and each component is the prior art.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a forced draft hoisting device which characterized in that: including casing (1), the front side fixed mounting of diapire has boss (2) in casing (1), just be equipped with at least one recess (3) on the rear side of diapire in casing (1).
2. The forced pressure hoisting device according to claim 1, wherein: the lifting shaft (5) is installed in the front end of the shell (1) in a horizontally rotating mode, two ends of the lifting shaft (5) extend to the outside of the shell (1) respectively, and are fixedly connected with one ends of two outer lifting arms (6) capable of being turned over vertically respectively.
3. The forced pressure hoisting device according to claim 2, wherein: limiting plates (7) are fixedly sleeved at two ends of the lifting shaft (5) respectively, and the two outer lifting arms (6) are located between the two limiting plates (7).
4. A forced pressure hoisting device according to claim 3, characterized in that: and a feedback plate (8) used for transmitting a signal of the rotation of the lifting shaft (5) to a control system is fixedly connected to any one of the limiting plates (7).
5. A forced-lift apparatus according to any of claims 2 to 4, characterized in that: be equipped with the equal open mounting groove in both sides in casing (1) front end, lift shaft (5) level pivoted install in the mounting groove, its both ends extend respectively outside the mounting groove.
6. Strong pressure lift according to claim 5, characterized in that: the both ends of mounting groove fixed mounting respectively have copper axle sleeve (9), the both ends of lifting shaft (5) are passed two respectively extend to behind copper axle sleeve (9) outside the mounting groove.
7. Strong pressure lift according to claim 6, characterized in that: every equal coaxial fixed mounting has spacer (10) in copper axle sleeve (9), the both ends of lifting shaft (5) pass two respectively extend to behind spacer (10) outside casing (1).
8. Strong pressure lift according to claim 6, characterized in that: the casing (1) is provided with at least one grease nipple (11) which is communicated with the mounting groove and is used for introducing lubricating oil.
9. A forced-lift apparatus according to any of claims 1 to 4, characterized in that: and a sealing ring (4) is fixedly arranged on the edge of the bottom of the shell (1).
10. A tractor, includes rear axle, its characterized in that: a lifting device according to any one of claims 1-9, further comprising the housing (1) fixedly mounted on the rear axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120566047.XU CN214430007U (en) | 2021-03-19 | 2021-03-19 | Strong pressure lifting device and tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120566047.XU CN214430007U (en) | 2021-03-19 | 2021-03-19 | Strong pressure lifting device and tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214430007U true CN214430007U (en) | 2021-10-22 |
Family
ID=78157620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120566047.XU Active CN214430007U (en) | 2021-03-19 | 2021-03-19 | Strong pressure lifting device and tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214430007U (en) |
-
2021
- 2021-03-19 CN CN202120566047.XU patent/CN214430007U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai Lovol Intelligent Agricultural Technology Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: Weichai leiwo Heavy Industry Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |