CN206821172U - The adjustable soil deep-loosening machine air gun head of outlet angle - Google Patents
The adjustable soil deep-loosening machine air gun head of outlet angle Download PDFInfo
- Publication number
- CN206821172U CN206821172U CN201720763589.XU CN201720763589U CN206821172U CN 206821172 U CN206821172 U CN 206821172U CN 201720763589 U CN201720763589 U CN 201720763589U CN 206821172 U CN206821172 U CN 206821172U
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- breather pipe
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- air gun
- pipe
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Abstract
The utility model provides a kind of adjustable soil deep-loosening machine air gun head of outlet angle, including upper breather pipe, lower breather pipe, screw thread carry block, thread seal block, regulation briquetting, high-pressure air pipe, tracheae fixed block, rubber sealing block, escape pipe and air gun tip, the lower end of upper breather pipe is connected with the upper end of the lower breather pipe, the endoporus upper end of screw thread carry block and the upper breather pipe is spirally connected, and the endoporus lower end of thread seal block and the lower breather pipe is spirally connected；The upper end of regulation briquetting is connected with the lower end of the screw thread carry block, and high-pressure air pipe is connected with the upper end of the screw thread carry block；Tracheae fixed block is fixed on the thread seal block, rubber sealing block is in the side wall of the third through-hole, positioned at the lower section of the regulation briquetting, outer end sequentially passes through the outside that the lower breather pipe is stretched to after the tracheae fixed block, rubber sealing block for the inner of escape pipe；Air gun tip is screwed onto the lower end of the lower breather pipe.Realize the adjustable of escape pipe outlet angle.
Description
Technical field
Soil deep-loosening machine technical field is the utility model is related to, more particularly to a kind of adjustable soil deep-loosening machine of outlet angle
Use air gun head.
Background technology
Soil deep-loosening machine is used to carry out Subsoiler to arable land, can change the soil texture of arable land deep layer, make arable land table
The current in face can be penetrated into deep soil, the moisture on effective storage arable land top layer, prevent water loss.Existing soil
The outlet angle of the air gun head of subsoiler is fixed, therefore when different subsoiling depth and scope is needed, it is necessary to more
Ventilation pipette tips, and changing air gun head needs the regular hour, this is greatly lowered operating efficiency.
Utility model content
Technical problem to be solved in the utility model is：There is provided a kind of outlet angle adjustable soil deep-loosening machine air gun
Head, the subsoiling depth of soil deep-loosening machine and scope easily can be adjusted by adjusting the outlet angle of air gun head, improve soil
The operating efficiency of subsoiler.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of adjustable soil deep-loosening machine air gun head of outlet angle, including upper breather pipe, lower breather pipe, screw thread carry
Block, thread seal block, regulation briquetting, high-pressure air pipe, tracheae fixed block, rubber sealing block, escape pipe and air gun tip, it is described
Upper breather pipe and lower breather pipe are tubular structure, and the lower end of the upper breather pipe is connected with the upper end of the lower breather pipe, institute
The endoporus upper end for stating screw thread carry block and the upper breather pipe is spirally connected, under the endoporus of the thread seal block and the lower breather pipe
End is spirally connected；The upper end of the regulation briquetting is connected with the lower end of the screw thread carry block, and the center of the screw thread carry block is provided with
First through hole, the center of the regulation briquetting are provided with the second through hole, and the high-pressure air pipe is connected with the upper end of the first through hole；
The tracheae fixed block is fixed on the thread seal block, and the side wall of the lower breather pipe is provided with third through-hole, and described
The position correspondence of three through holes and the thread seal block, the side wall of the third through-hole are provided with the first groove, and the rubber is close
Seal block to be embedded in first groove, the side of the tracheae fixed block is provided with fourth hole, and the rubber sealing block is provided with
Fifth hole, positioned at the lower section of the regulation briquetting, outer end sequentially passes through the fourth hole, the 5th for the inner of the escape pipe
The outside of the lower breather pipe is stretched to after through hole；The air gun tip is screwed onto the lower end of the lower breather pipe.
Further, the lower end of the upper breather pipe and the upper end of the lower breather pipe are spirally connected.
Further, in addition to the first spring and second spring, first spring and second spring are stage clip, described
First spring one end is connected with the upper end of the tracheae fixed block, and the other end is connected with the escape pipe, the second spring position
In in first groove, and positioned at the upper end of the rubber sealing block.
Further, the regulation briquetting is cylinder, and the longitudinal section shape of the regulation briquetting is described to be I-shaped
The upper end of regulation briquetting is locked in the lower end of the screw thread carry block by screw.
Further, the lower surface of the screw thread carry block is provided with conical socket, and the upper surface of the regulation briquetting is cone
Shape face, the conical socket of the taper surface and the screw thread carry block of the regulation briquetting coordinate.
Further, the third through-hole in the lower breather pipe side wall is rectangle, the width of the third through-hole with it is described
The diameter adaptation of escape pipe.
Further, the first groove being communicated with the surrounding side wall of the third through-hole, the shape of first groove
Shape is cube, and the profile of the rubber sealing block is cube, the width of the rubber sealing block and first groove
Width is adapted to, and the height of the rubber sealing block is less than the height of first groove.
Further, rectangular recess, the rubber sealing block are equipped with the left surface and right flank of first groove
Left surface and right flank on be equipped with rectangular preiection, the thickness of the rectangular preiection is adapted to the width of the rectangular recess,
The height of the rectangular preiection is less than the height of the rectangular recess.
Further, the quantity of rubber sealing block and the tracheae fixed block is four, and is circumferentially uniformly distributed.
The beneficial effects of the utility model are：Upper breather pipe, lower breather pipe are vertically connected with, and screw thread carry block is by upper ventilation
The upper end sealing of pipe, thread seal block seal the lower end of lower breather pipe, be spirally connected position of the screw thread carry block on upper breather pipe
Change, then adjust the Level Change of briquetting, escape pipe is plastic conduit or metal tube, and regulation briquetting touches escape pipe
The inner, the outer end of escape pipe is tilted, realize the outlet angular adjustment of escape pipe；Escape pipe is located in the 4th of tracheae fixed block
In through hole, also it is located in the fifth hole of rubber sealing block, rubber sealing block is flexible, and rubber sealing block can be with escape pipe
Between realize sealing, sealing can be also realized between lower breather pipe, rubber sealing block is in the third through-hole side wall of lower breather pipe
The first groove in slide up and down, realize the change of the outlet angle of escape pipe；Rubber sealing block also makes breather pipe, lower ventilation
Pipe, form seal cavity between screw thread carry block, thread seal block, the gases at high pressure in high-pressure air pipe are from the of screw thread carry block
One through hole, the second through hole of regulation briquetting lead in the seal cavity, and lead to the outer end of escape pipe from the inner of escape pipe；It is logical
The position that is spirally connected for changing air gun tip on lower breather pipe is crossed, can also change the total length of air gun head, it is rational in infrastructure, by turning
Screw thread carry block can change the height of regulation briquetting, the outlet angle of escape pipe be adjusted, so as to change the subsoiling depth of air gun head
And scope, improve the operating efficiency of soil deep-loosening machine.
Brief description of the drawings
Fig. 1 is the structural representation of the adjustable soil deep-loosening machine air gun head of outlet angle of the utility model embodiment；
Fig. 2 is the front view of the regulation briquetting of the utility model embodiment；
Fig. 3 is the top view of the regulation briquetting of the utility model embodiment；
Fig. 4 is the front view that the lower breather pipe of the utility model embodiment is connected with rubber sealing block；
Fig. 5 is the side view that the lower breather pipe of the utility model embodiment is connected with rubber sealing block；
Fig. 6 is the front view of the rubber sealing block of the utility model embodiment；
Fig. 7 is the side view of the rubber sealing block of the utility model embodiment；
Fig. 8 is the schematic diagram that the escape pipe of the utility model embodiment is connected with tracheae fixed block and rubber sealing block.
Label declaration：
1st, upper breather pipe；2nd, lower breather pipe；3rd, screw thread carry block；4th, thread seal block；5th, briquetting is adjusted；6th, high pressure gas
Pipe；7th, tracheae fixed block；8th, rubber sealing block；9th, escape pipe；10th, air gun tip；11st, the first spring；12nd, second spring；
21st, third through-hole；
31st, first through hole；
51st, the second through hole；
81st, fifth hole；82nd, rectangular preiection.
Embodiment
For detailed description technology contents of the present utility model, the objects and the effects, below in conjunction with embodiment and match somebody with somebody
Accompanying drawing is closed to be explained.
The design of the utility model most critical is：Being spirally connected position and adjusted to change by screw thread carry block and upper breather pipe
The height of briquetting is saved, regulation briquetting pushes down the inner end of escape pipe, prizes the outer end of escape pipe to change the outlet of escape pipe
Angle, so as to realize the regulation to air gun head outlet angle, also it is achieved that subsoiling depth and the regulation of scope of subsoiler.
Fig. 1 to Fig. 8 is refer to, the utility model provides a kind of adjustable soil deep-loosening machine air gun head of outlet angle,
Fixed including upper breather pipe 1, lower breather pipe 2, screw thread carry block 3, thread seal block 4, regulation briquetting 5, high-pressure air pipe 6, tracheae
Block 7, rubber sealing block 8, escape pipe 9 and air gun tip 10, the upper breather pipe 1 and lower breather pipe 2 are tubular structure, institute
The lower end for stating breather pipe 1 is connected with the upper end of the lower breather pipe 2, and the screw thread carry block 3 is interior with the upper breather pipe 1
Hole upper end is spirally connected, and the endoporus lower end of the thread seal block 4 and the lower breather pipe 2 is spirally connected；It is described regulation briquetting 5 upper end with
The lower end connection of the screw thread carry block 3, the center of the screw thread carry block 3 are provided with first through hole 31, the regulation briquetting 5
Center is provided with the second through hole 51, and the high-pressure air pipe 6 is connected with the upper end of the first through hole 31；The tracheae fixed block 7 is solid
It is scheduled on the thread seal block 4, the side wall of the lower breather pipe 2 is provided with third through-hole 21, the third through-hole 21 and institute
The position correspondence of thread seal block 4 is stated, the side wall of the third through-hole 21 is provided with the first groove, and the rubber sealing block 8 is embedding
In first groove, the side of the tracheae fixed block 7 is provided with fourth hole, and the rubber sealing block 8 is provided with the 5th
Through hole 81, positioned at the lower section of the regulation briquetting 5, outer end sequentially passes through the fourth hole, the 5th for the inner of the escape pipe 9
The outside of the lower breather pipe 2 is stretched to after through hole 81；The air gun tip 10 is screwed onto the lower end of the lower breather pipe 2.
Further, the lower end of the upper breather pipe 1 and the upper end of the lower breather pipe 2 are spirally connected.
Seen from the above description, upper breather pipe 1 is spirally connected with lower breather pipe 2, simple in construction firm, good airproof performance.
Further, in addition to the first spring 11 and second spring 12, first spring 11 and second spring 12 are
Stage clip, described one end of first spring 11 are connected with the upper end of the tracheae fixed block 7, and the other end is connected with the escape pipe 9, institute
Second spring 12 is stated to be located in first groove, and positioned at the upper end of the rubber sealing block 8.
Seen from the above description, the inner of escape pipe 9 is resetted by the first spring 11, rubber is made by second spring 12
Sealing block 8 resets, rational in infrastructure.
Further, the regulation briquetting 5 is cylinder, and the longitudinal section shape of the regulation briquetting 5 is I-shaped, institute
The upper end for stating regulation briquetting 5 is locked in the lower end of the screw thread carry block 3 by screw.
Seen from the above description, the longitudinal section shape for adjusting briquetting 5 is I-shaped, then the side for adjusting briquetting 5 is provided with
Ring groove, there is provided screw operating space, be easy to tighten screw, also mitigate the quality of regulation briquetting 5.
Further, the lower surface of the screw thread carry block 3 is provided with conical socket, and the upper surface of the regulation briquetting 5 is
Taper surface, the conical socket of the taper surface and the screw thread carry block 3 of the regulation briquetting 5 coordinate.
Seen from the above description, the lower surface of screw thread carry block 3 is provided with conical socket, regulation briquetting 5 by taper surface with
Screw thread carry block 3 coordinates, and realizes that fast positioning is installed.
Further, the third through-hole 21 in the side wall of lower breather pipe 2 is rectangle, the width of the third through-hole 21 with
The diameter adaptation of the escape pipe 9.
Seen from the above description, the third through-hole 21 in the lower side wall of breather pipe 2 is rectangle, and the width of third through-hole 21 with
The diameter adaptation of escape pipe 9, then what third through-hole 21 played a part of to escape pipe 9 is oriented to up and down.
Further, the first groove being communicated with the surrounding side wall of the third through-hole 21, first groove
It is shaped as cube, the profile of the rubber sealing block 8 is cube, the width of the rubber sealing block 8 and described first recessed
The width adaptation of groove, the height of the rubber sealing block 8 are less than the height of first groove.
Seen from the above description, rubber sealing block 8 is located at the first groove in the side wall of third through-hole 21, and rubber sealing block
8 can slide up and down in the first groove, that is, ensure the sealing at third through-hole 21, and do not influence the angle change of escape pipe 9.
Further, rectangular recess, the rubber sealing block 8 are equipped with the left surface and right flank of first groove
Left surface and right flank on be equipped with rectangular preiection 82, the width of the thickness and the rectangular recess of the rectangular preiection 82 is fitted
Match somebody with somebody, the height of the rectangular preiection 82 is less than the height of the rectangular recess.
Seen from the above description, at left and right sides of the groove of rectangular preiection 82 and first by the left and right sides of rubber sealing block 8
Rectangular recess the sealing for sliding up and down cooperation, further enhancing between rubber sealing block 8 and third through-hole 21.
Further, the quantity of the rubber sealing block 8 and tracheae fixed block 7 is four, and is circumferentially uniformly distributed.
Seen from the above description, the quantity of rubber sealing block 8 and tracheae fixed block 7 is four, and is circumferentially uniformly distributed,
For one escape pipe 9 with unification tracheae fixed block 7 and a rubber sealing block 8, the quantity of escape pipe 9 is also four, makes air gun
Head can carry out the subsoiling of soil on four direction.
Fig. 1 to Fig. 8 is refer to, embodiment one of the present utility model is：
A kind of adjustable soil deep-loosening machine air gun head of outlet angle, including upper breather pipe 1, lower breather pipe 2, screw thread carry
Block 3, thread seal block 4, regulation briquetting 5, high-pressure air pipe 6, tracheae fixed block 7, rubber sealing block 8, escape pipe 9 and air gun point
End 10, the upper breather pipe 1 and lower breather pipe 2 are tubular structure, the lower end of the upper breather pipe 1 and the lower breather pipe 2
Upper end connection, the endoporus upper end of the screw thread carry block 3 and the upper breather pipe 1 is spirally connected, the thread seal block 4 with it is described
The endoporus lower end of lower breather pipe 2 is spirally connected；The upper end of the regulation briquetting 5 is connected with the lower end of the screw thread carry block 3, the spiral shell
The center of line carry block 3 is provided with first through hole 31, and the center of the regulation briquetting 5 is provided with the second through hole 51, the high-pressure air pipe 6
It is connected with the upper end of the first through hole 31；The tracheae fixed block 7 is fixed on the thread seal block 4, the lower ventilation
The side wall of pipe 2 is provided with third through-hole 21, the position correspondence of the third through-hole 21 and the thread seal block 4, and the described 3rd
The side wall of through hole 21 is provided with the first groove, and the rubber sealing block 8 is embedded in first groove, the tracheae fixed block 7
Side be provided with fourth hole, the rubber sealing block 8 is provided with fifth hole 81, and the inner of the escape pipe 9 is positioned at described
The lower section of briquetting 5 is adjusted, outer end sequentially passes through the outside that the lower breather pipe 2 is stretched to after the fourth hole, fifth hole 81；
The air gun tip 10 is screwed onto the lower end of the lower breather pipe 2.
Fig. 1 to Fig. 8 is refer to, embodiment two of the present utility model is：
A kind of adjustable soil deep-loosening machine air gun head of outlet angle, on the basis of embodiment one, in addition to the first bullet
Spring 11 and second spring 12, first spring 11 and second spring 12 are stage clip, described one end of first spring 11 with it is described
The upper end connection of tracheae fixed block 7, the other end are connected with the escape pipe 9, and the second spring 12 is located at first groove
It is interior, and positioned at the upper end of the rubber sealing block 8；The regulation briquetting 5 is cylinder, the longitudinal cross-section of the regulation briquetting 5
It is shaped as I-shaped, the upper end of the regulation briquetting 5 is locked in the lower end of the screw thread carry block 3 by screw, and the screw thread enters
The lower surface of position block 3 is provided with conical socket, and the upper surface of the regulation briquetting 5 is taper surface, the taper surface of the regulation briquetting 5
Coordinate with the conical socket of the screw thread carry block 3, the lower end of the upper breather pipe 1 and the upper end of the lower breather pipe 2 are spirally connected.
Fig. 1 to Fig. 8 is refer to, embodiment three of the present utility model is：
A kind of adjustable soil deep-loosening machine air gun head of outlet angle, on the basis of embodiment one, the lower breather pipe 2
Third through-hole 21 in side wall is rectangle, and the width of the third through-hole 21 is adapted to the diameter of the escape pipe 9, the described 3rd
The first groove being communicated with the surrounding side wall of through hole 21, first groove are shaped as cube, the rubber seal
The profile of block 8 is cube, and the width of the rubber sealing block 8 is adapted to the width of first groove, the rubber seal
The height of block 8 is less than the height of first groove, and rectangular recess is equipped with the left surface and right flank of first groove,
Be equipped with rectangular preiection 82 on the left surface and right flank of the rubber sealing block 8, the thickness of the rectangular preiection 82 with it is described
The width adaptation of rectangular recess, the height of the rectangular preiection 82 are less than the height of the rectangular recess；Preferably, the rubber
The quantity of sealing block 8 and tracheae fixed block 7 is four, and is circumferentially uniformly distributed.
In summary, the adjustable soil deep-loosening machine air gun head of outlet angle provided by the utility model, will adjust briquetting
5th, the inner end of tracheae fixed block 7 and escape pipe 9 is arranged on by screw thread carry block 3, thread seal block 4, upper breather pipe 1, lower logical
In the sealing space that tracheae 2 and rubber sealing block 8 surround, while escape pipe 9 is passed through outside rubber sealing block 8 to lower breather pipe 2
Portion, the height of regulation briquetting 5 is adjusted by screw thread carry block 3, and then adjust the outlet angle of escape pipe 9, pass through the first spring
11 and second spring 12 reset escape pipe 9, rectangular preiection 82 by rubber seal and thereon ensures at third through-hole 21
Sealing, can also change be spirally connected position of the air gun tip 10 on lower breather pipe 2, it is rational in infrastructure, can quickly and easily adjust
The outlet angle of escape pipe 9, the subsoiling angle and scope of quick regulation air gun head are realized, compared to changing for air gun head, greatly
It has submitted operating efficiency greatly.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalents made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in the technology neck of correlation
Domain, similarly it is included in scope of patent protection of the present utility model.
Claims (9)
- A kind of 1. adjustable soil deep-loosening machine air gun head of outlet angle, it is characterised in that including upper breather pipe, lower breather pipe, Screw thread carry block, thread seal block, regulation briquetting, high-pressure air pipe, tracheae fixed block, rubber sealing block, escape pipe and air gun point End, the upper breather pipe and lower breather pipe are tubular structure, the lower end of the upper breather pipe and the upper end of the lower breather pipe Connection, the endoporus upper end of the screw thread carry block and the upper breather pipe are spirally connected, the thread seal block and the lower breather pipe Endoporus lower end be spirally connected；The upper end of the regulation briquetting is connected with the lower end of the screw thread carry block, the screw thread carry block Center is provided with first through hole, and the center of the regulation briquetting is provided with the second through hole, the high-pressure air pipe and the first through hole Upper end connects；The tracheae fixed block is fixed on the thread seal block, and the side wall of the lower breather pipe is provided with threeway Hole, the position correspondence of the third through-hole and the thread seal block, the side wall of the third through-hole are provided with the first groove, institute Rubber sealing block is stated in first groove, the side of the tracheae fixed block is provided with fourth hole, the rubber seal Block is provided with fifth hole, and positioned at the lower section of the regulation briquetting, outer end sequentially passes through the described 4th for the inner of the escape pipe The outside of the lower breather pipe is stretched to after through hole, fifth hole；The air gun tip is screwed onto the lower end of the lower breather pipe.
- 2. the adjustable soil deep-loosening machine air gun head of outlet angle according to claim 1, it is characterised in that described logical The lower end of tracheae and the upper end of the lower breather pipe are spirally connected.
- 3. the adjustable soil deep-loosening machine air gun head of outlet angle according to claim 1, it is characterised in that also including One spring and second spring, first spring and second spring are stage clip, and first spring one end is consolidated with the tracheae Determine the upper end connection of block, the other end is connected with the escape pipe, and the second spring is located in first groove, and is located at institute State the upper end of rubber sealing block.
- 4. the adjustable soil deep-loosening machine air gun head of outlet angle according to claim 1, it is characterised in that the regulation Briquetting is cylinder, and the longitudinal section shape of the regulation briquetting is I-shaped, and the upper end of the regulation briquetting is locked by screw In the lower end of the screw thread carry block.
- 5. the adjustable soil deep-loosening machine air gun head of outlet angle according to claim 4, it is characterised in that the screw thread The lower surface of carry block is provided with conical socket, and the upper surface of the regulation briquetting is taper surface, the taper surface of the regulation briquetting Coordinate with the conical socket of the screw thread carry block.
- 6. the adjustable soil deep-loosening machine air gun head of outlet angle according to claim 1, it is characterised in that described lower logical Third through-hole in tracheae side wall is rectangle, and the width of the third through-hole is adapted to the diameter of the escape pipe.
- 7. the adjustable soil deep-loosening machine air gun head of outlet angle according to claim 6, it is characterised in that the described 3rd The first groove being communicated with the surrounding side wall of through hole, first groove are shaped as cube, the rubber sealing block Profile be cube, the width of the rubber sealing block is adapted to the width of first groove, the rubber sealing block Highly it is less than the height of first groove.
- 8. the adjustable soil deep-loosening machine air gun head of outlet angle according to claim 7, it is characterised in that described first Rectangular recess is equipped with the left surface and right flank of groove, square is equipped with the left surface and right flank of the rubber sealing block Shape is raised, and the thickness of the rectangular preiection is adapted to the width of the rectangular recess, and the height of the rectangular preiection is less than described The height of rectangular recess.
- 9. the adjustable soil deep-loosening machine air gun head of outlet angle according to claim 1,6,7 or 8, it is characterised in that The quantity of rubber sealing block and the tracheae fixed block is four, and is circumferentially uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720763589.XU CN206821172U (en) | 2017-06-28 | 2017-06-28 | The adjustable soil deep-loosening machine air gun head of outlet angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720763589.XU CN206821172U (en) | 2017-06-28 | 2017-06-28 | The adjustable soil deep-loosening machine air gun head of outlet angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206821172U true CN206821172U (en) | 2018-01-02 |
Family
ID=60776960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720763589.XU Expired - Fee Related CN206821172U (en) | 2017-06-28 | 2017-06-28 | The adjustable soil deep-loosening machine air gun head of outlet angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206821172U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109479404A (en) * | 2018-11-14 | 2019-03-19 | 黑龙江八农垦大学 | Environment protection type soil is intubated gas permeable devices |
| CN115004881A (en) * | 2022-06-28 | 2022-09-06 | 天津理工大学 | Intelligent pneumatic subsoiler with adjustable gas explosion angle |
| CN117256224A (en) * | 2023-10-12 | 2023-12-22 | 邹城市自然资源和规划局 | Soil loosening device for soil arrangement |
-
2017
- 2017-06-28 CN CN201720763589.XU patent/CN206821172U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109479404A (en) * | 2018-11-14 | 2019-03-19 | 黑龙江八农垦大学 | Environment protection type soil is intubated gas permeable devices |
| CN115004881A (en) * | 2022-06-28 | 2022-09-06 | 天津理工大学 | Intelligent pneumatic subsoiler with adjustable gas explosion angle |
| CN117256224A (en) * | 2023-10-12 | 2023-12-22 | 邹城市自然资源和规划局 | Soil loosening device for soil arrangement |
| CN117256224B (en) * | 2023-10-12 | 2024-02-23 | 邹城市自然资源和规划局 | Soil loosening device for soil arrangement |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20190628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |