CN202918671U - Agricultural perforating machine - Google Patents
Agricultural perforating machine Download PDFInfo
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- CN202918671U CN202918671U CN 201220692814 CN201220692814U CN202918671U CN 202918671 U CN202918671 U CN 202918671U CN 201220692814 CN201220692814 CN 201220692814 CN 201220692814 U CN201220692814 U CN 201220692814U CN 202918671 U CN202918671 U CN 202918671U
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Abstract
The utility model discloses an agricultural perforating machine, which comprises a power input shaft and a rack which are installed on a support, wherein the power input shaft is in transmission connect with a forward gear set for driving the rack to move forward and a backward gear set driving the rack to move backward at the forward speed of the support, the forward stroke of the rack driven by the forward gear set and the backward stroke of the rack driven by the backward gear set form a reciprocating complementary period, a vertical push pressure lever which can slide elastically up and down is installed at the tail end of the rack through an elastic sliding mechanism, a push pressure plate is fixedly arranged on the support, the front end of the push pressure plate tilts upward while the rear end of the push pressure plate tilts downwards, the push pressure plate is provided with a slide slot which extends forward and backward and is sheathed with the push pressure lever, a limit slide block which is in slide fit with the side surface of the push pressure plate is fixedly arranged on the push pressure lever, the two ends of the slide slot are respectively communicated with a switchover hole which enables the push pressure lever and the limit slide block to slide from one side into the other side of the push pressure plate, and a drill bit driven by a motor is installed at the lower end of the push pressure lever. The agricultural perforating machine can be used for digging a hole rapidly, needs low labor intensity and is convenient to operate.
Description
Technical field
The utility model relates to a kind of agriculture puncher.
Background technology
In agricultural production, especially in agricultural seeder or plantation, all need to have dug implantation hole in the field in advance, then in implantation hole that seed is nuzzled or seedling is planted in implantation hole.In traditional agricultural production, due to the borehole machinery that there is no special use, such implantation hole is all when concrete sowing or plantation, and is next by manually digging out one by one with instruments such as hoes, and then buries underground.Although traditional mode of operation is simple, cost is low, labour intensity is huge, and efficiency is low.
China Patent No. is that 201110209863.6 patent of invention discloses a kind of soil hole puncher, and the advantage of this card punch is, structure is relatively simple, and cost is not high yet.But this card punch needs upper handle dominated by hand, and lives pedal with pedal in use, that is to say, need to use both hands and feet, and operates more loaded down with trivial details.And the maximum weak point of this card punch is, needs artificial dependence in the sliding sleeve insertion the earth that manpower or gravity will be following; After digging out implantation hole, also need manually the soil in sliding sleeve to be released, complex operation not only, efficient is lower, once can only dig an implantation hole, and labour intensity is larger, and old man and child all can't operate use.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of rational in infrastructure for above-mentioned deficiency, and borehole, labour intensity are lower fast, and easy to operate agriculture puncher.
for solving the problems of the technologies described above, the design feature of this agriculture puncher is: comprise rack-mount power input shaft, be equipped with on support and can come and go the tooth bar that slides along the support direction of advance, power input shaft is connected with and drives the forward gear group that tooth bar advances and drive the backward gear group that tooth bar retreats with the support pace, the stroke that forward gear group driving tooth bar advances and backward gear group drive the reciprocal complementary cycle of stroke formation that tooth bar retreats, the tooth bar end is equipped with vertical setting and push strut that can the up and down Elastic Sliding by Elastic Sliding mechanism, be installed with the front end downward-sloping push plate in rear end that is inclined upwardly on support, before and after being provided with, push plate extending and is set with the chute of push strut, be installed with the position limiting slide block that coordinates with the push plate side slip on push strut, the chute two ends are communicated with and make push strut and position limiting slide block be entered the switching hole of opposite side by push plate one sideslip, the push strut lower end is equipped with by motor-driven drill bit.
This agriculture puncher is back and forth to push structure by driving type to realize that fast borehole, labour intensity are lower, and easy to operate.
Driving type back and forth pushes structure and mainly comprises rack-mount power input shaft, and is driving by power input shaft the push strut that moves up and down and move forward and backward by each drive disk assembly.The drill bit that install the push strut lower end is holed under driven by motor, thereby realizes the quick excavation to implantation hole.The tooth bar that extends before and after being equipped with on support, tooth bar support relatively moves forward and backward.The forward gear group and the backward gear group that coordinate with rack-driving also are installed on support, and the power intake of forward gear group and backward gear group all is in transmission connection with power input shaft, provides power by power input shaft.The Main Function of forward gear group is under the driving of power input shaft, drives tooth bar and moves forward, and the direction of namely advancing to support moves.The Main Function of backward gear group is under the driving of power input shaft, drives tooth bar and moves backward.In this agriculture puncher, the speed that backward gear group driving tooth bar retreats is identical with the speed that support advances, and in the whole process that tooth bar retreats, tooth bar is static with relative ground like this.Because the stroke that forward gear group driving tooth bar advances and backward gear group drive the reciprocal complementary cycle of stroke formation that tooth bar retreats, so under the driving of power input shaft, tooth bar is with periodic motion back and forth.
Push strut vertically is arranged on rack rear by Elastic Sliding mechanism, and the Main Function of Elastic Sliding mechanism makes exactly push strut can slide up and down in rack rear, and have the elasticity restore funcitons after losing the external force that drives up and down.The push plate that sets firmly on support is to drive the critical piece that push strut moves up and down, and push plate arranges before and after on support being, the push plate front end is inclined upwardly, and the push plate rear end is downward-sloping.Be provided with the chute of suit push strut on push plate, chute extends setting before and after the push plate length direction, and like this, when tooth bar promotion push strut moves forward and backward, push strut will be slided before and after the chute cell wall.The push strut middle part is installed with position limiting slide block, position limiting slide block and push plate snug engagement.Like this, when tooth bar promotion push strut moved forward and backward, push strut not only can be slided before and after chute, and under being slidably matched of position limiting slide block and push plate sidewall, the push plate that is obliquely installed also can apply a downward pushing force to position limiting slide block and push strut.Be arranged on rack rear because push strut is Elastic Sliding, so push strut is after being subject to downward pushing force, can drives the drill bit of installing the lower end the earth is holed, also just realized the excavation to implantation hole.The push plate both ends are provided with the switching hole with chute two ends UNICOM, and the size of switching the hole is greater than the peripheral dimension of push strut and position limiting slide block, therefore, switch the Main Function in hole, can make exactly position limiting slide block switch to opposite side from push plate one Slideslip.Be arranged on rack rear because push strut is Elastic Sliding, have the elastic reset function when losing external force.So, when position limiting slide block slided into the switching hole at rear backward by the push plate downside, position limiting slide block also lost with regard to moment the downward thrust that the push plate lower wall applies, like this, position limiting slide block and push strut are just under the effect of Elastic Sliding mechanism, and the switching hole of passing the rear upwards resets automatically.At this moment, push strut drives drill bit and automatically extracts from implantation hole, has completed a whole process that implantation hole is excavated, and simultaneously, the stroke that tooth bar retreats also finishes fully.After position limiting slide block slided into upper side from the push plate downside, the stroke that tooth bar advances had also just begun.Constantly advance along with power input shaft drives tooth bar, push strut is also constantly advanced thereupon, and slides into the switching hole on top along the push plate upper side, and this hour rack forward stroke finishes.When position limiting slide block slides into the switching hole on top along the push plate upper side, can lose the pushing force that makes progress of push plate upper side.At this moment, push strut and position limiting slide block can pass the switching hole on top, slide into downside under the push plate upper side, like this, complete tooth bar retreats, borehole, portal, tooth bar advances, reseting procedure just is through with.When power input shaft continue to drive the tooth bar action, will repeat said process, also just realized fast, borehole constantly.
As a kind of implementation, described forward gear group comprises advance master gear and the pinion that advances that is driven by power input shaft, the coaxial pinion that advances that is installed with on pinion advances, the master gear that advances only is provided with the gear teeth with the pinion engagement of advancing on its half periphery, or being interval with the gear teeth that mesh with the pinion that advances on the periphery of its 2 above even number deciles, the pinion that advances drives tooth bar and moves forward.
In this forward gear group, advance pinion and the pinion that advances are the coaxial cone pulley that is consolidated, so both angular speed is identical, linear velocity is different, has the effect of regulating linear velocity.Wherein, the master gear that advances consists of the engaged transmission relation with the master gear that advances, and advance pinion and tooth bar consist of the engaged transmission relation, so power input shaft drives tooth bar and moves forward by the master gear that advances, advance pinion and the pinion that advances.The master gear that advances only is provided with the gear teeth with the pinion engagement of advancing on its half periphery, or be interval with the gear teeth with the pinion engagement of advancing on the periphery of its 2 above even number deciles, that is to say, the master gear that advances can only drive tooth bar and advance on the stroke of its half periphery, second half periphery is kept for the backward gear group to drive tooth bar and retreated.The quantity of the above even number decile of the master gear periphery 2 of advancing is more, and the stroke that tooth bar advances is also just relatively shorter, and the spacing of implantation hole is also just shorter.
As a kind of implementation, described backward gear group comprises retreating master gear and retreating pinion by the power input shaft driving, retreating pinion driving tooth bar moves backward, retreat that on pinion, coaxial being installed with retreats pinion, retreat master gear by tumbler gear with retreat pinion drive and coordinate, retreat master gear and can only drive tumbler gear in the master gear that advances drives the driving gap of the pinion that advances and rotate.
The structure of the structure of backward gear group and forward gear group is basic identical, difference is, in the backward gear group, many tumbler gears, so just can make the moving direction of backward gear group driving tooth bar opposite with the moving direction of forward gear group driving tooth bar, namely moves backward.Retreating master gear can only drive tumbler gear and rotate in the master gear that advances drives the driving gap of the pinion that advances, that is to say, the master gear that advances advances pinion and tooth bar when advancing in driving, retreat master gear and tumbler gear and do not mesh driving relationship, and when retreating master gear and drive tumbler gear and tooth bar and retreat, advance master gear and the pinion that advances do not mesh driving relationship.So forward gear group and backward gear group consist of complementary driving relationship to tooth bar, thereby have realized moving forward and backward of tooth bar.
As a kind of implementation, described Elastic Sliding mechanism comprises and is installed in two support arms that horizontal interval, tooth bar end up and down arranges, be installed with the sliding sleeve of suit push strut on support arm, push strut top links together by upper spring and top sliding sleeve elasticity, and the push strut bottom links together by lower spring and bottom sliding sleeve elasticity.
In this Elastic Sliding mechanism, support arm is to promote the critical piece that push strut is advanced and retreated, the suit push strut that mainly plays a part to slide of the sliding sleeve on support arm, and push strut just can slide up and down in sliding sleeve like this.Upper spring and lower spring between support arm and push strut end mainly play elasticity and pull or promote push strut, and push strut just can along the sliding sleeve Elastic Sliding under the resiliency supported of upper spring and lower spring, have reset function like this.
As improvement, it is thinner and near the thicker wedge shape of push strut part that described position limiting slide block is arranged to limit section.
Position limiting slide block is arranged to thinner and the wedge shape that the middle part is thicker of limit section, can pass through when switching the hole in position limiting slide block and push strut, transition is more smooth and easy, can effectively avoid the situation of position limiting slide block screens in switching the hole, has greatly improved the dependability of this agriculture puncher.
In sum, adopt the agriculture puncher of this structure, rational in infrastructure, borehole, labour intensity are lower fast, and easy to operate, are adapted at various agricultural seeders or the use of plantation occasion.
Description of drawings
By reference to the accompanying drawings the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model borehole state;
Fig. 2 is the structural representation of the utility model reset mode;
Fig. 3 is the A-A cutaway view of Fig. 1;
Fig. 4 is the B-B cutaway view of Fig. 1;
Fig. 5 is the structural representation of push strut and push plate backward travel initial state;
Fig. 6 is the structural representation of push strut and push plate backward travel done state;
Fig. 7 is the structural representation of front process initial state after push strut and push plate;
Fig. 8 is the structural representation of push strut and push plate backward travel done state.
In figure: 1 is support, and 2 is power shaft, and 3 is tooth bar, and 4 is the forward gear group, 5 is the backward gear group, and 6 is push plate, and 7 is chute, and 8 is push strut, 9 for switching the hole, and 10 is position limiting slide block, and 13 is motor, and 14 is drill bit, 15 are the master gear that advances, and 16 are the pinion that advances, and 17 for retreating master gear, and 18 for retreating pinion, 19 is support arm, and 20 are the pinion that advances, and 21 for retreating pinion, and 22 is tumbler gear, 23 is sliding sleeve, and 24 is upper spring, and 25 is lower spring.
Embodiment
As shown in the figure, this agricultural puncher comprises the power input shaft 2 that is arranged on support 1, and is driving the push strut 8 that can move up and down and can move forward and backward by each drive disk assembly by power input shaft 2.The drill bit 14 that install push strut 8 lower ends is holed under motor 13 drives, thereby realizes the quick excavation to implantation hole.Drive disk assembly comprises the tooth bar 3 that is arranged on support 1, and tooth bar 3 front and back extensions arrange, and tooth bar 3 support 1 relatively moves forward and backward.Also comprise being arranged on forward gear group 4 and the backward gear group 5 that coordinates with tooth bar 3 transmissions on support 1, the power intake of forward gear group 4 and backward gear group 5 all is in transmission connection with power input shaft 2, provides power by power input shaft 2.The Main Function of forward gear group 4 is under the driving of power input shaft 2, drives tooth bar 3 and moves forward, and the direction of namely advancing to support 1 moves.The Main Function of backward gear group 5 is under the driving of power input shaft 2, drives tooth bar 3 and moves backward.In this agriculture puncher, the speed that backward gear group 5 driving tooth bars 3 retreat is identical with the speed that support 1 advances, and in the whole process that tooth bar 3 retreats, tooth bar 3 is static with relative ground like this.Because the stroke that forward gear group 4 driving tooth bars 3 advance and backward gear group 5 drive the reciprocal complementary cycle of stroke formation that tooth bars 3 retreat, so under the driving of power input shaft 2, tooth bar 3 is with periodic motion back and forth.
Push strut 8 vertically is arranged on tooth bar 3 rear portions by Elastic Sliding mechanism, and the Main Function of Elastic Sliding mechanism makes exactly push strut 8 can slide up and down at tooth bar 3 rear portions, and have the elasticity restore funcitons after losing the external force that drives up and down.Be installed with push plate 6 on support 1, push plate 6 is to drive the critical piece that push strut 8 moves up and down, and push plate 6 arranges before and after on support 1 being, push plate 6 front ends are inclined upwardly, and push plate 6 rear ends are downward-sloping.Be provided with the chute 7 of suit push strut 8 on push plate 6, chute 7 extends setting before and after push plate 6 length directions.Like this, when tooth bar 3 promotion push strut 8 move forward and backward, push strut 8 will be slided before and after chute 7 cell walls.Push strut 8 middle parts are installed with position limiting slide block 10, position limiting slide block 10 and push plate 6 snug engagement.
When tooth bar 3 promotion push strut 8 move forward and backward, push strut 8 not only can be slided along chute 7 front and back, under being slidably matched of position limiting slide block 10 and push plate 6 sidewalls, the push plate 6 that is obliquely installed also can apply a downward pushing force to position limiting slide block 10 and push strut 8.Be arranged on tooth bar 3 rear portions because push strut 8 is Elastic Sliding, so push strut 8 can drive 14 pairs of the earth of drill bit of installing the lower end and hole after being subject to downward pushing force, also just having realized the excavation to implantation hole.Push plate 6 both ends are provided with the switching hole 9 with chute 7 two ends UNICOMs, the size of switching hole 9 is greater than the peripheral dimension of push strut 8 and position limiting slide block 10, therefore, switch the Main Function in hole 9, can make exactly position limiting slide block 10 switch to opposite side from push plate 6 one Slideslips.Be arranged on tooth bar 3 rear portions because push strut 8 is Elastic Sliding, have the elastic reset function when losing external force.So, when position limiting slide block 10 slides into the switching hole 9 at rear backward by push plate 6 downsides, position limiting slide block 10 also loses with regard to moment the downward thrust that push plate 6 lower wall apply, like this, position limiting slide block 10 and push strut 8 are just under the effect of Elastic Sliding mechanism, and the switching hole 9 of passing the rear upwards resets automatically.At this moment, push strut 8 drives drill bit 14 and automatically extracts from implantation hole, has completed a whole process that implantation hole is excavated, and simultaneously, the stroke that tooth bar 3 retreats also finishes fully.After position limiting slide block 10 slided into upper side from push plate 6 downsides, the stroke that tooth bar 3 advances had also just begun.Constantly advance along with power input shaft 2 drives tooth bars 3, push strut 8 is also constantly advanced thereupon, and slides into the switching hole 9 on top along push plate 6 upper sides, and these hour rack 3 forward strokes finish.When position limiting slide block 10 slides into the switching hole 9 on top along push plate 6 upper sides, can lose the pushing force that makes progress of push plate 6 upper sides.At this moment, push strut 8 and position limiting slide block 10 can pass the switching hole 9 on top, slide into downside under push plate 6 upper sides, like this, complete tooth bar 3 retreats, borehole, portal, tooth bar 3 advances, reseting procedure just is through with.When power input shaft 2 continues to drive tooth bars 3 action, will repeat said process, also just realized fast, borehole constantly.
In the present embodiment, forward gear group 4 comprises advance master gear 15 and the pinion 16 that advances that is driven by power input shaft 2, the coaxial pinion 20 that advances that is installed with on the pinion 16 that advances.Advance pinion 16 and the pinion 20 that advances for the coaxial cone pulley that is consolidated, so both angular speed is identical, linear velocity is different, has the effect of regulating linear velocity.Wherein, the master gear 15 that advances consists of the engaged transmission relation with the master gear 15 that advances, pinion 16 and the tooth bar 3 that advance consists of the engaged transmission relations, so power input shaft 2 drives tooth bars 3 and moves forward by the master gear 15 that advances, advance pinion 16 and the pinion 20 that advances.The master gear 15 that advances only is provided with the gear teeth with pinion 20 engagements of advancing on its half periphery, or be interval with the gear teeth with pinion 20 engagement of advancing on the periphery of its 2 above even number deciles, that is to say, the master gear 15 that advances can only drive tooth bar 3 and advance on the stroke of its half periphery, second half periphery is kept for backward gear group 5 to drive tooth bar 3 and retreated.The quantity of the master gear 15 above even number deciles of periphery 2 of advancing is more, and the stroke that tooth bar 3 advances is also just relatively shorter, and the spacing of implantation hole is also just shorter.
In the present embodiment, backward gear group 5 comprises retreating master gear 17 and retreating pinion 18 by power input shaft 2 drivings, retreating pinion 18 driving tooth bars 3 moves backward, retreat that on pinion 18, coaxial being installed with retreats pinion 21, retreat master gear 17 by tumbler gear 22 with retreat pinion 21 transmissions and coordinate, retreat master gear 17 and can only drive tumbler gear 22 in the master gear 15 that advances drives the driving gap of the pinion 20 that advances and rotate.The structure of the structure of backward gear group 5 and forward gear group 4 is basic identical, difference is, many tumbler gears 22 in backward gear group 5, so just can make the moving direction of backward gear group 5 driving tooth bars 3 opposite with the moving direction that forward gear group 4 drives tooth bars 3, namely move backward.Retreating master gear 17 can only drive tumbler gear 22 and rotate in the master gear 15 of advancing drives the driving gap of the pinion 20 that advances, that is to say, the master gear 15 that advances advances pinion 20 and tooth bar 3 when advancing in driving, retreat master gear 17 and do not mesh driving relationship with tumbler gear 22, and when retreating master gear 17 and drive tumbler gears 22 and tooth bar 3 and retreat, advance master gear 15 and the pinion 20 that advances do not mesh driving relationship.So 5 pairs of tooth bars of forward gear group 4 and backward gear group 3 consist of complementary driving relationship, thereby have realized moving forward and backward of tooth bar 3.
In the present embodiment, Elastic Sliding mechanism comprises and is installed in two support arms 19 that tooth bar 3 horizontal intervals, ends up and down arrange, and support arm 19 is to promote the critical piece that push strut 8 is advanced and retreated.Be installed with the sliding sleeve 23 of suit push strut 8 on support arm 19, sliding sleeve 23 mainly works the suit push strut 8 of sliding, and push strut 8 just can slide up and down in sliding sleeve 23 like this.Push strut 8 tops link together by upper spring 24 and top sliding sleeve 23 elasticity, and push strut 8 bottoms link together by lower spring 25 and bottom sliding sleeve 23 elasticity.Upper spring 24 and lower spring 25 mainly play elasticity and pull or promote push strut 8, and push strut 8 just can along sliding sleeve 23 Elastic Sliding under the resiliency supported of upper spring 24 and lower spring 25, have reset function like this.
It is thinner and near the thicker wedge shape of push strut 8 parts that position limiting slide block 10 is arranged to limit section, can pass through when switching hole 9 in position limiting slide block 10 and push strut 8 like this, transition is more smooth and easy, can effectively avoid the situation of position limiting slide block 10 screens in switching hole 9, greatly improve the dependability of this agriculture puncher.
Claims (5)
1. agriculture puncher, it is characterized in that: comprise the power input shaft (2) that is arranged on support (1), be equipped with on support (1) and can come and go the tooth bar (3) that slides along support (1) direction of advance, power input shaft (2) is connected with and drives the backward gear group (5) that forward gear group (4) that tooth bar (3) advances and driving tooth bar (3) retreat with support (1) pace, the stroke that forward gear group (4) driving tooth bar (3) advances and backward gear group (5) drive the reciprocal complementary cycle of stroke formation that tooth bar (3) retreats, tooth bar (3) end is equipped with vertical setting and push strut (8) that can the up and down Elastic Sliding by Elastic Sliding mechanism, be installed with the front end downward-sloping push plate in rear end (6) that is inclined upwardly on support (1), before and after being provided with, push plate (6) extending and is set with the chute (7) of push strut (8), be installed with the position limiting slide block (10) that coordinates with push plate (6) side slip on push strut (8), chute (7) two ends are communicated with and make push strut (8) and position limiting slide block (10) be entered the switching hole (9) of opposite side by push plate (6) one sideslips, push strut (8) lower end is equipped with the drill bit (14) that is driven by motor (13).
2. agriculture puncher as claimed in claim 1, it is characterized in that: described forward gear group (4) comprises the master gear that advances (15) and the pinion that advances (16) that is driven by power input shaft (2), the upper coaxial pinion that advances (20) that is installed with of the pinion (16) that advances, the master gear (15) that advances only is provided with the gear teeth with the pinion that advances (20) engagement on its half periphery, or being interval with the gear teeth that mesh with the pinion that advances (20) on the periphery of its 2 above even number deciles, the pinion that advances (16) drives tooth bar (3) and moves forward.
3. agriculture puncher as claimed in claim 2, it is characterized in that: described backward gear group (5) comprises retreating master gear (17) and retreating pinion (18) by power input shaft (2) driving, retreating pinion (18) driving tooth bar (3) moves backward, retreat upper coaxial being installed with of pinion (18) and retreat pinion (21), retreat master gear (17) by tumbler gear (22) with retreat pinion (21) transmission and coordinate, retreat master gear (17) and can only drive tumbler gear (22) rotation in the master gear that advances (15) drives the driving gap of the pinion (20) that advances.
4. the described agriculture puncher of claim as arbitrary in claim 1-3, it is characterized in that: described Elastic Sliding mechanism comprises and is installed in two support arms (19) that horizontal interval, tooth bar (3) end up and down arranges, be installed with the sliding sleeve (23) of suit push strut (8) on support arm (19), push strut (8) top links together by upper spring (24) and top sliding sleeve elasticity, and push strut (8) bottom links together by lower spring (25) and bottom sliding sleeve elasticity.
5. agriculture puncher as claimed in claim 4 is characterized in that: it is thinner and near the thicker wedge shape of push strut (8) part that described position limiting slide block (10) is arranged to limit section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220692814 CN202918671U (en) | 2012-12-15 | 2012-12-15 | Agricultural perforating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220692814 CN202918671U (en) | 2012-12-15 | 2012-12-15 | Agricultural perforating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202918671U true CN202918671U (en) | 2013-05-08 |
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ID=48208667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220692814 Expired - Fee Related CN202918671U (en) | 2012-12-15 | 2012-12-15 | Agricultural perforating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202918671U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103733769A (en) * | 2013-11-18 | 2014-04-23 | 安徽淮化股份有限公司 | Planting and pit digging apparatus |
| CN105123034A (en) * | 2015-09-02 | 2015-12-09 | 张培坤 | Punching device of transplanting machine |
-
2012
- 2012-12-15 CN CN 201220692814 patent/CN202918671U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103733769A (en) * | 2013-11-18 | 2014-04-23 | 安徽淮化股份有限公司 | Planting and pit digging apparatus |
| CN105123034A (en) * | 2015-09-02 | 2015-12-09 | 张培坤 | Punching device of transplanting machine |
| CN105123034B (en) * | 2015-09-02 | 2017-06-20 | 张培坤 | A kind of transplanter hole-making device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20131215 |