CN215454143U - Blade type caragana microphylla stubble leveling machine - Google Patents
Blade type caragana microphylla stubble leveling machine Download PDFInfo
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- CN215454143U CN215454143U CN202120508087.9U CN202120508087U CN215454143U CN 215454143 U CN215454143 U CN 215454143U CN 202120508087 U CN202120508087 U CN 202120508087U CN 215454143 U CN215454143 U CN 215454143U
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- 241000223025 Caragana microphylla Species 0.000 title claims abstract description 55
- 230000008093 supporting effect Effects 0.000 claims abstract description 70
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 33
- 239000004576 sand Substances 0.000 abstract description 8
- 239000004575 stone Substances 0.000 abstract description 6
- 241001061906 Caragana Species 0.000 description 7
- 230000009471 action Effects 0.000 description 2
- 230000003716 rejuvenation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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Abstract
The utility model relates to a stubble leveling machine capable of lifting, gathering and cutting caragana microphylla, which comprises a frame, a cutting mechanism, a branch supporting mechanism, a guard plate and a gear box, wherein the frame is provided with a cutting mechanism; the cutting device comprises two cutter heads, flail knives arranged on the cutter heads and a cutter head pressure plate used for fixing the cutter heads; the branch supporting mechanism comprises a branch supporting wheel rotating shaft and a branch supporting wheel connected with the rotating shaft; during the operation of the stubble leveling machine, the branch supporting mechanism extending forwards supports the caragana microphylla and plays a role of gathering to the middle, and the cutting mechanism can effectively saw and cut the caragana microphylla. The branch supporting wheel can effectively support the down-ground caragana microphylla before the caragana microphylla touches the cutter disc so as to reduce the missing cutting rate; the caragana microphylla growing environment is uneven, sand and stones are spread over the ground, the cutting cutter disc adopts a flail type saw cutting structure, and the sawtooth flail is connected with the cutter disc through a flexible hinge, so that the impact force on the cutter disc can be effectively reduced when the cutter disc touches the sand and stones, and the cutter disc is protected.
Description
Technical Field
The utility model relates to a stubble leveling machine, in particular to a caragana microphylla stubble leveling machine.
Background
Stumping is a mode for promoting the growth, rejuvenation and renewal of caragana shrubs, the root necks of the caragana shrubs are promoted to sprout adventitious buds under the stimulation of the stumping, and the caragana shrubs can grow into forests rapidly under the supply of a large amount of nutrients accumulated at the roots. According to the growth characteristics of caragana microphylla, stumping and rejuvenating are needed once every 3-5 years, meanwhile, the requirements of ecological functions of caragana microphylla are considered, a mode of alternate stumping in alternate ways in alternate years is generally adopted, otherwise, the growth speed of caragana microphylla is slowed down, even the caragana microphylla stops growing, and the caragana microphylla is withered. Scientific stumping utilization has important significance for the continuous growth and reasonable feeding of the caragana microphylla. However, the traditional manual stubble leveling operation is high in strength, time-consuming and labor-consuming, the mechanical stubble leveling operation is high in efficiency and low in cost, the production efficiency is improved by 8-10 times compared with manual operation, the stubble leveling machinery in China is slow in development, and particularly in rugged areas where sand and stone are spread over the ground, saw disc tooth breakage is easy to occur, and the missing cutting phenomenon caused by too many caragana on the ground is serious. Therefore, the development of an efficient and applicable caragana microphylla stubble leveling machine is urgently needed.
Disclosure of Invention
The utility model aims to provide a caragana microphylla stubble leveling machine which can be used for leveling stubbles in rugged and sandy areas to reduce saw tooth damage and reduce the missing cutting rate.
The purpose of the utility model is realized by the following technical scheme:
a flail knife type caragana microphylla stubble leveling machine comprises a frame, wherein shaft holes are formed in two sides of the frame; the caragana microphylla separating plate is arranged at the front end of the frame; a rack bottom plate is arranged at the bottom of the rack; two supporting wheels are respectively arranged on two sides below the rack; a belt wheel support frame and a bevel gear support frame are arranged on the middle cross beam of the frame; a gear box is arranged on the rack bottom plate and is connected with the rack bottom plate through a bolt; a motor is arranged above the gear box; a sawing cutter head is arranged below the machine frame and is positioned on the left side and the right side of the front end of the machine frame; the frame is also provided with a gathering and branch supporting device which comprises two branch supporting wheels, and the two branch supporting wheels are respectively arranged on shaft holes at two sides of the frame and extend out of the front end of the frame.
Further, the gear box is divided into a box body and an upper cover plate; the box body and the upper cover plate are respectively provided with a plurality of shaft holes; the outer ring of the shaft hole bearing is in interference fit, and the inner ring of the bearing is respectively in interference fit with a sawing spindle, a gear transmission shaft and a motor input shaft; the shaft head of the gear transmission shaft is connected with transmission gears through keys, and the transmission gears are meshed one by one; the motor input shaft is also limited in the box body by the gear box and rotates through a bearing, and the difference is that one end of the motor input shaft extends out of the upper cover plate and is meshed with the motor through a spline; the motor is fixed on the upper cover plate of the gear box; the sawing spindle is axially limited by the box body and circumferentially rotates through a bearing, and the tail end of the sawing spindle extends out of the box body below the gear box; the driving bevel gear is meshed with the motor input gear through a transmission gear which rotates coaxially with the driving bevel gear, and the driving bevel gear extends out of the upper cover plate of the gear box.
Further, saw cut the main shaft and stretch out the axis body of box and saw the blade disc clamp plate of cutting the mechanism and be connected through the bolt, the blade disc clamp plate is fixed by key circumference, blade disc clamp plate below carries out fixed connection through the multiunit bolt with the flail knife blade disc, flail knife blade disc edge symmetry sets up two through-holes, be provided with in the through-hole and get rid of the arbor, with get rid of arbor and sawtooth flail knife clearance fit, flail knife limit nut carries out the axial spacing to the sawtooth flail knife simultaneously, and the sawtooth flail knife can only rotate through getting rid of the arbor.
Two branch supporting wheel rotating shafts extend out of two sides of the front end of the rack, the branch supporting wheel rotating shafts are connected with the rack in an interference fit mode through bearings, and axial limiting is carried out through shaft shoulders and branch supporting shaft holes in the rack.
Furthermore, the tail ends of the branch supporting wheels are respectively and fixedly connected with branch supporting belt wheels; a driven bevel gear and a belt wheel central shaft are respectively arranged in the bevel gear support frame and the belt wheel support frame on the rack; the tail end of the driven bevel gear is fixedly provided with a turning driving gear and a belt wheel, and a small belt wheel and a turning driven gear are fixedly arranged on a central shaft of the belt wheel.
Furthermore, the direction-changing driving gear is meshed with the direction-changing driven gear, and the directions of the direction-changing driving gear and the direction-changing driven gear are opposite; a belt wheel at the tail end of the driven bevel gear is connected with a right branch supporting belt wheel through a transmission belt; the small belt wheel is connected with the left branch supporting belt wheel through a transmission belt.
Further, the driven bevel gear and the driving bevel gear are in mesh transmission through bevel gears.
Furthermore, a caragana microphylla separating plate in a herringbone shape is arranged in front of the bottom plate of the rack.
The working process is as follows:
when the flail knife type stubble leveling machine is used, the front end is pressed downwards by a certain angle relative to the tail end, the two branch supporting wheels extending out of the front end of the stubble leveling machine rotate from outside to inside respectively to support branches of caragana microphylla falling to the ground, and meanwhile, the action of gathering the caragana microphylla towards the middle is achieved, the caragana microphylla is sawed by the two sawing cutter discs under the action of the caragana separation plate respectively, the sawing quality is guaranteed, and due to the fact that the sawtooth flail knife is in flexible connection, impact caused by touching of sand stones can be reduced, and damage to the flail knife is relieved.
The caragana microphylla stubble leveling machine is carried on a traveling machine. A gear box is fixed on the frame; the gear box is divided into a box body and an upper cover plate; the box body and the upper cover plate are respectively provided with a plurality of shaft holes; the outer ring of the shaft hole bearing is in interference fit, and the inner ring of the bearing is respectively in interference fit with a sawing spindle, a gear transmission shaft and a motor input shaft; the shaft head of the gear transmission shaft is connected with transmission gears through keys, and the transmission gears are meshed one by one; the motor input shaft is also limited in the box body by the gear box and rotates through a bearing, and the difference is that one end of the motor input shaft extends out of the upper cover plate and is meshed with the motor through a spline; the motor is fixed on the upper cover plate of the gear box; the sawing main shaft is axially limited by the box body and circumferentially rotates through the bearing, and the tail end of the sawing main shaft extends out of the box body below the gear box. The bevel gear is meshed with the motor input gear through a transmission gear rotating coaxially with the bevel gear, and the bevel gear extends out of the upper cover plate of the gear box.
Foretell sword formula of getting rid of caragana stubble leveling machine saw cuts the axis body that the main shaft stretches out the box and saw cuts the blade disc clamp plate of blade disc and is connected through the key, the blade disc clamp plate is fixed by the limit nut who saw cuts the main shaft below when fixed by key circumference, blade disc clamp plate below carries out fixed connection through the multiunit bolt with the flail knife blade disc, makes it rotatory along with the blade disc clamp plate when the operation, flail knife blade disc edge symmetry sets up two through-holes, be provided with in the through-hole and get rid of the arbor, with flail knife shaft and sawtooth flail knife clearance fit, flail knife limit nut carries out the axial spacingly to the sawtooth flail knife simultaneously, and the sawtooth flail knife can only rotate through getting rid of the arbor, and when touching gravel and sand, the flexonics of sawtooth flail knife can effectively slow down the impact.
In the cutter-throwing caragana microphylla stubble leveling machine, two branch supporting wheel rotating shafts extend out of the front end of the cutter-throwing caragana microphylla stubble leveling machine, the branch supporting wheel rotating shafts are connected with the rack in an interference fit mode through bearings, and axial limiting is carried out through shaft shoulders and branch supporting shaft holes in the rack; the tail ends of the branch supporting wheels are respectively and fixedly connected with belt wheels; the rack is provided with a bevel gear support frame, a belt wheel support frame and a plurality of shaft holes, the bevel gear support frame is connected with a belt wheel central shaft through a bearing, and one end of the belt wheel central shaft is provided with a driven bevel gear which is meshed with the driving bevel gear; the front section of the branch supporting wheel rotating shaft is fixedly connected with a branch supporting wheel; when the motor rotates, power is transmitted into the driving bevel gear through the gear box, the two bevel gears are in meshing transmission, the driven bevel gear rotates, one side of the driven bevel gear directly drives the right branch supporting wheel through the belt wheel to enable the right branch supporting wheel to rotate clockwise (from back to front), the other side of the driven bevel gear changes the direction of rotation through the turning gear, the belt wheel center shaft where the turning driven gear is located drives the power to the left branch supporting wheel through the belt to enable the left branch supporting wheel to rotate anticlockwise (from back to front), and therefore the rotation of the branch supporting wheels on two sides in opposite directions is achieved.
According to the cutter-throwing caragana microphylla stubble leveling machine, the herringbone caragana microphylla separating plate is arranged in front of the bottom plate of the rack, so that gathered caragana microphylla is divided into two parts which are respectively sawed by the cutter heads on the two sides, and the caragana microphylla supporting effect is achieved.
According to the cutter head of the cutter-throwing type caragana microphylla stubble leveling machine, the combined cutter head is adopted, so that the cutter head is convenient to assemble and disassemble and convenient to replace and maintain.
The utility model has the beneficial effects that: the branch supporting wheel can effectively support the down-ground caragana microphylla before the caragana microphylla touches the cutter disc so as to reduce the missing cutting rate; the caragana microphylla growing environment is uneven, sand and stones are spread over the ground, the cutting cutter disc adopts a flail type saw cutting structure, and the sawtooth flail is connected with the cutter disc through a flexible hinge, so that the impact force on the cutter disc can be effectively reduced when the cutter disc touches the sand and stones, and the cutter disc is protected.
Drawings
FIG. 1 is a schematic view of a caragana microphylla stubble leveling machine.
FIG. 2 is a schematic top view of a gearbox of a caragana microphylla stubble leveling machine.
FIG. 3 is a schematic view of a frame of a caragana microphylla stubble leveling machine.
FIG. 4 is a front view of a sawing cutter head of a blade type caragana stubble leveling machine.
FIG. 5 is a sectional view of the caragana microphylla stubble leveling machine in the direction of A in FIG. 4.
FIG. 6 is a sectional view of the caragana microphylla stubble leveling machine in the direction B of FIG. 4.
List of reference numerals: 1. a sawing cutter head, 101, a sawtooth flail knife, 102, a cutter head press plate, 103, a flail knife cutter head, 104, a flail knife shaft, 105, a flail knife limit nut, 106, a cutter head shaft hole, 107, a cutter head limit nut, 2, a branch supporting wheel, 201, a branch supporting wheel rotating shaft, 202, a branch supporting belt wheel, 3, a gear box, 301, a gear box cover plate, 302, a sawing main shaft, 303, a sawing gear, 304, a transmission gear, 305, a gear transmission shaft, 306, a motor input shaft, 307, a driving bevel gear, 308, a limit nut, 309, a motor input gear, 4, a motor, 5, a frame, 501, a branch supporting shaft hole, 502, a carabiner separating plate, 503, a bevel gear support frame, 504, a support frame shaft hole, 505, a frame bottom plate, 506, a steering belt wheel shaft hole, 507, a belt wheel support frame, 508, a support wheel, 601, a transmission belt, 602, a direction-changing driving gear, 603, a belt wheel central shaft, 604 and a small belt wheel, 605. driven bevel gear 609 and a direction-changing driven gear.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the utility model and not as limiting the scope of the utility model. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Examples
Referring to fig. 1 and 3, the flail cutter type caragana microphylla stubble leveling machine comprises a frame 5, wherein a branch supporting shaft hole 501 for supporting a branch supporting wheel 2, a caragana microphylla separating plate 502 for separating caragana microphylla, a frame bottom plate 505 for placing a gear box 3, a supporting wheel 508 for walking, a belt wheel supporting frame 507 for a small belt wheel 604 and a bevel gear supporting frame 503 for supporting a driven bevel gear 605 are arranged on the frame 5.
Referring to fig. 2, the gear box 3 is arranged on the frame 5, and the gear box 3 comprises a box body, a gear box cover plate 301, and a shaft hole arranged inside the box body and connected with the gear box cover plate 301, wherein a bearing 310, a sawing spindle 302 connected with an inner ring of the bearing 310, a gear transmission shaft 305, and a motor input shaft 306 are arranged in the shaft hole; a motor 4 connected to the motor input shaft 306 by a spline; the sawing main shaft 302, the gear transmission shaft 305 and the motor input shaft 306 are respectively provided with a sawing gear 303, a transmission gear 304 and a motor input gear 309; in addition, a driving bevel gear 307 is arranged on a shaft where a transmission gear 304 meshed with a motor input gear 309 is positioned, and the driving bevel gear 307 extends out of the gear box cover plate 301.
Referring to fig. 4-6, the sawing cutter head 1 is arranged below the gear box 3 and connected with the sawing spindle 302, and the sawing cutter head 1 comprises a cutter head pressure plate 102, a flail cutter head 103 connected with the cutter head pressure plate 102 through a plurality of bolts, and a sawtooth flail 101 which is arranged at the edge of the flail cutter head 103 and is in clearance fit with the flail limiting nut 107 through a flail shaft 104.
The branch supporting wheel rotating shaft 201 is arranged on the frame 5 and is connected with the branch supporting shaft hole 501 through a bearing, the branch supporting wheel 2 is fixedly connected with the front end of the branch supporting wheel rotating shaft 201, the branch supporting belt wheel 202 is arranged at the tail end of the branch supporting wheel rotating shaft, a driving turning gear 602 is fixedly connected with the outer side of the belt wheel connected with the right branch supporting belt wheel 202 through a belt, the driving turning gear 602 is fixedly connected with a driven bevel gear 605, and the driven bevel gear 605 is meshed with the driving bevel gear 307. The direction-changing driven gear 609 is meshed with the direction-changing driving gear 602, the direction-changing driven gear 609 is arranged on a belt wheel central shaft 603, the belt wheel central shaft 603 is provided with a small belt wheel 604, the belt wheel central shaft 603 is limited in a belt wheel supporting frame 507, and the belt wheel central shaft 603 is connected with the belt wheel supporting frame 507 through a bearing to ensure circumferential rotation; the branch supporting belt wheel 202 at the tail end of the rotating shaft 201 of the branch supporting wheel at the other side is connected with the small belt wheel 604 through a belt.
When the cutter type caragana microphylla stubble leveling machine works specifically, a double-disc rotary cutting mode is adopted, the motor 4 is used as a power source to drive the motor input gear 309, torque is supplied to the sawing gear 303 through the transmission gear 304 in a gear transmission mode, the sawing gear 303 drives the sawing cutter head 1 to rotate through the sawing spindle 302, the two sawing cutter heads are opposite in rotation direction due to the fact that the number of the gears and the meshed gears rotate in opposite directions, as shown in a view angle shown in fig. 2, the left cutter head rotates clockwise, and the right cutter head rotates anticlockwise; when the saw cutting cutterhead rotates under the driving of the motor 4, the motor 4 drives the driving bevel gear 307 under the driving of the transmission gear, the driven bevel gear 605 meshed with the driving bevel gear 307 rotates clockwise (from a backward front view angle), the belt wheel where the driven bevel gear 605 is located is driven to rotate clockwise (from the backward front view angle), the rotating shaft 201 of the right branch supporting wheel also rotates clockwise (from the backward front view angle) due to the driving of the belt, and the branch supporting wheel 2 arranged on the branch supporting wheel rotating shaft 201 rotates clockwise (from the backward front view angle); under the rotation of the driven bevel gear 605, the driven bevel gear synchronously rotates with the driven bevel gear and also comprises a direction-changing driving gear 602 fixed on the outer side of the driven bevel gear, the direction-changing driving gear 602 is externally meshed with a direction-changing driven gear 609, so that the direction-changing driven gear 609 changes in direction and rotates anticlockwise (from a backward front view angle), the direction-changing driven gear 609 rotates anticlockwise (from the backward front view angle), the direction-changing driven gear 609 is coaxial with the small belt pulley 604, the direction of the direction-changing driven gear 609 is the same as the direction of the direction-changing driven gear 609, the small belt pulley 604 transmits the anticlockwise rotation direction (from the backward front view angle) to the left branch supporting belt pulley 201 through the transmission belt 601, and meanwhile, the left branch supporting wheel 2 is driven to rotate anticlockwise (from the backward front view angle). At the moment, under the forward movement of the walking machine, the two saw cutting cutter heads rotate inwards at a high speed, and the two branch supporting wheels 2 timely support and gather the reversed caragana microphylla in advance to finish the stubble leveling of the caragana microphylla. Under the prerequisite of guaranteeing to saw cut the quality, the impact force that the blade disc touched gravel and sand received has been slowed down in the effectual play of flail knife formula saw cutting blade disc, and the branch wheel is held up to the place ahead also effectual reduction leaks the cutting rate to this improves work efficiency.
The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.
Claims (8)
1. A kind of flail knife type caragana microphylla stumping machine, its characteristic is: comprises a frame, wherein shaft holes are arranged at two sides of the frame; the caragana microphylla separating plate is arranged at the front end of the frame; a rack bottom plate is arranged at the bottom of the rack; two supporting wheels are respectively arranged on two sides below the rack; a belt wheel support frame and a bevel gear support frame are arranged on the middle cross beam of the frame; a gear box is arranged on the rack bottom plate and is connected with the rack bottom plate through a bolt; a motor is arranged above the gear box; a sawing cutter head is arranged below the machine frame and is positioned on the left side and the right side of the front end of the machine frame; the frame is also provided with a gathering and branch supporting device which comprises two branch supporting wheels, and the two branch supporting wheels are respectively arranged on shaft holes at two sides of the frame and extend out of the front end of the frame.
2. The blade flail caragana microphylla stubble leveling machine according to claim 1, which is characterized in that: the gear box is divided into a box body and an upper cover plate; the box body and the upper cover plate are respectively provided with a plurality of shaft holes; the shaft hole is in interference fit with the bearing outer ring, and the bearing inner ring is respectively in interference fit with the sawing main shaft, the gear transmission shaft and the motor input shaft; the shaft head of the gear transmission shaft is connected with transmission gears through keys, and the transmission gears are meshed one by one; the motor input shaft is also limited in the box body by the gear box and rotates through a bearing, and the difference is that one end of the motor input shaft extends out of the upper cover plate and is meshed with the motor through a spline; the motor is fixed on the upper cover plate of the gear box; the sawing spindle is axially limited by the box body and circumferentially rotates through a bearing, and the tail end of the sawing spindle extends out of the box body below the gear box; the driving bevel gear is meshed with the motor input gear through a transmission gear which rotates coaxially with the driving bevel gear, and the driving bevel gear extends out of the upper cover plate of the gear box.
3. The blade flail caragana microphylla stubble leveling machine according to claim 1, which is characterized in that: the axis body that saw cuts the main shaft and stretch out the box is connected through the bolt with the blade disc clamp plate of saw cutting mechanism, the blade disc clamp plate is fixed by key circumference, blade disc clamp plate below carries out fixed connection through the multiunit bolt with the flail knife blade disc, flail knife blade disc edge symmetry sets up two through-holes, be provided with in the through-hole and get rid of the arbor, get rid of arbor and sawtooth flail knife clearance fit, it is spacing to carry out the axial to the sawtooth flail knife simultaneously to get rid of sword limit nut, and the sawtooth flail knife can only rotate through getting rid of the arbor.
4. The blade flail caragana microphylla stubble leveling machine according to claim 1, which is characterized in that: two branch supporting wheel rotating shafts extend out of two sides of the front end of the rack, the branch supporting wheel rotating shafts are connected with the rack in an interference fit mode through bearings, and axial limiting is carried out through shaft shoulders and branch supporting shaft holes in the rack.
5. The blade flail caragana microphylla stubble leveling machine according to claim 1, which is characterized in that: the tail ends of the branch supporting wheels are respectively and fixedly connected with branch supporting belt wheels; a driven bevel gear and a belt wheel central shaft are respectively arranged in the bevel gear support frame and the belt wheel support frame on the rack; the tail end of the driven bevel gear is fixedly provided with a turning driving gear and a belt wheel, and a small belt wheel and a turning driven gear are fixedly arranged on a central shaft of the belt wheel.
6. A caragana microphylla stubble leveling machine of the flail knife type as claimed in claim 5, wherein: the direction-changing driving gear is meshed with the direction-changing driven gear, and the directions of the direction-changing driving gear and the direction-changing driven gear are opposite; a belt wheel at the tail end of the driven bevel gear is connected with a right branch supporting belt wheel through a transmission belt; the small belt wheel is connected with the left branch supporting belt wheel through a transmission belt.
7. A caragana microphylla stubble leveling machine according to claim 2 or 5, wherein: the driven bevel gear and the driving bevel gear are in meshing transmission through bevel gears.
8. The blade flail caragana microphylla stubble leveling machine according to claim 1, which is characterized in that: a herringbone caragana microphylla separating plate is arranged in front of a bottom plate of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120508087.9U CN215454143U (en) | 2021-03-10 | 2021-03-10 | Blade type caragana microphylla stubble leveling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120508087.9U CN215454143U (en) | 2021-03-10 | 2021-03-10 | Blade type caragana microphylla stubble leveling machine |
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| Publication Number | Publication Date |
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| CN215454143U true CN215454143U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120508087.9U Expired - Fee Related CN215454143U (en) | 2021-03-10 | 2021-03-10 | Blade type caragana microphylla stubble leveling machine |
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| CN (1) | CN215454143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114391361A (en) * | 2022-03-02 | 2022-04-26 | 宁夏大学 | Self-adaptive profiling stubble leveling equipment |
-
2021
- 2021-03-10 CN CN202120508087.9U patent/CN215454143U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114391361A (en) * | 2022-03-02 | 2022-04-26 | 宁夏大学 | Self-adaptive profiling stubble leveling equipment |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |