CN210393070U - Drip irrigation tape recycling machine - Google Patents
Drip irrigation tape recycling machine Download PDFInfo
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- CN210393070U CN210393070U CN201921233489.1U CN201921233489U CN210393070U CN 210393070 U CN210393070 U CN 210393070U CN 201921233489 U CN201921233489 U CN 201921233489U CN 210393070 U CN210393070 U CN 210393070U
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- rotating shaft
- belt
- drip irrigation
- chain wheel
- tape
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Abstract
The utility model relates to the technical field of agricultural machinery, in particular to a drip irrigation tape recycling machine, which comprises a frame, a movable bracket, a tape coiling mechanism and a tape guiding mechanism; the frame can be hung on a traction machine; the movable bracket can be arranged on the rack in a vertically sliding manner; the movable bracket is provided with a land wheel; the tape winding mechanism is arranged on the movable bracket and is used for winding the drip irrigation tape; the winding mechanism comprises: a tape coiling rotating shaft and a tape coiling frame; the disk belt rotating shaft can be rotatably arranged on the movable bracket; the coiled belt frame is arranged on the coiled belt rotating shaft, is driven to rotate by the coiled belt rotating shaft and is used for winding the drip irrigation belt; the belt coiling rotating shaft is in transmission connection with the land wheel through a transmission mechanism; the transmission mechanism is driven by a chain; the rotation directions of the disk belt rotating shaft and the land wheel are opposite; the conduction band mechanism is arranged on the movable support and used for guiding the drip irrigation band to be wound on the winding mechanism. Adopt the utility model discloses can realize that drip irrigation tape roll tape distance and the distance of marcing of pulling the machines are synchronous.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, especially, relate to a drip irrigation zone recovery machine.
Background
At present, with the wide application of the drip irrigation technology in the farmland, the aim of saving water is achieved, and the yield of crops can be improved. However, the recovery of the waste drip irrigation tape every year is a heavy work, a large amount of labor is needed, and if the recovery is not timely, the seeding in the next year is affected.
Among the prior art, drip irrigation zone recovery machinery when the operation, can appear that tractor distance of marcing and drip irrigation zone recovery machinery winding distance are asynchronous, can appear the traction, smuggle secretly, and then cause disconnected area, cause partial drip irrigation zone to remain in soil, destroyed soil environment, influence the growth of crops.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a drip irrigation zone retrieves machine, main aim at realize drip irrigation zone winding distance and the distance of marcing of pulling the machines synchronous.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a drip irrigation tape recycling machine, which comprises a frame, a movable bracket, a tape coiling mechanism and a tape guiding mechanism;
the frame can be hung on a traction machine;
the movable bracket can be arranged on the rack in a vertically sliding manner;
a land wheel is arranged on the movable bracket;
the tape winding mechanism is arranged on the movable bracket and is used for winding a drip irrigation tape;
the winding mechanism includes: a tape coiling rotating shaft and a tape coiling frame;
the disc belt rotating shaft can be rotatably arranged on the movable bracket; the coiled strip frame is arranged on the coiled strip rotating shaft, is driven to rotate by the coiled strip rotating shaft and is used for winding the drip irrigation strip;
the belt coiling rotating shaft is in transmission connection with the land wheel through a transmission mechanism;
the transmission mechanism is driven by a chain;
the rotation direction of the disk belt rotating shaft is opposite to that of the land wheel;
the conduction band mechanism is arranged on the movable support and used for guiding the drip irrigation tape to be wound on the winding mechanism.
Further, the transmission mechanism includes: a driving sprocket, a driving chain and a driven sprocket;
the driving chain wheel and the land wheel are coaxially arranged; the driving chain wheel is in transmission connection with a rotating shaft of the land wheel;
the driven chain wheel is arranged on the disk belt rotating shaft and is in transmission connection with the disk belt rotating shaft;
the transmission chain is arranged on the driving chain wheel and the driven chain wheel and is used for transmitting power between the driving chain wheel and the driven chain wheel; the driving chain wheel and the driven chain wheel are opposite in rotation direction.
Further, the transmission chain is arranged in an 8 shape, so that the driving chain wheel and the driven chain wheel are opposite in rotation direction.
Further, the transmission mechanism further comprises: a driven rotating shaft; an auxiliary chain wheel is arranged on the driven rotating shaft;
the driving chain wheel is in transmission connection with the driven chain wheel through the auxiliary chain wheel, so that the driving chain wheel and the driven chain wheel are opposite in direction.
Furthermore, a belt arranging assembly is arranged on the movable support;
the ribbon aligning assembly comprises: a connecting member and a strap bar;
one end of the connecting member is fixedly arranged on the movable bracket;
the ribbon arranging rod is arranged at the other end of the connecting component;
the connecting member is a telescopic rod piece; the length of the connecting member is adjustable;
an extension rod piece is nested in the belt arranging rod to adjust the length of the belt arranging rod;
the belt arranging rod is arranged at the lower part of the movable support and is used for guiding the drip irrigation belt and transmitting the tension of the drip irrigation belt to the movable support.
Further, the strap bar may be rotatably provided on the connecting member.
Further, the belt guiding mechanism comprises: the guide belt bracket, the guide belt rotating shaft, the limiting disc and the gap bridge rotating shaft are arranged on the guide belt bracket;
the guide belt bracket can be rotatably arranged on the movable bracket;
the belt guide support can rotate relative to the movable support to adjust the position of the belt guide support relative to the movable support;
the guide belt rotating shaft is rotatably arranged on the guide belt bracket;
the limiting disc is detachably sleeved on the guide belt rotating shaft;
the outer side round platform structure of the limiting disc;
the gap bridge rotating shaft can be rotatably arranged on the conduction band bracket and is used for guiding the drip irrigation tape and avoiding winding on the conduction band rotating shaft.
Further, the belt guiding mechanism further comprises: a mud scraper;
the mud scraping plate is fixedly arranged on the movable support, is positioned on one side of the conduction band rotating shaft and is used for scraping mud on the drip irrigation tape passing through the conduction band rotating shaft.
Furthermore, chain protecting discs I are arranged on two sides of the driving chain wheel;
and two sides of the driven chain wheel are provided with a second chain protection disc.
Furthermore, the front end of the frame is provided with a supporting wheel; the supporting wheel is connected with the rack through an adjusting mechanism; the adjustment mechanism can define the relative position of the support wheel and the frame.
Borrow by above-mentioned technical scheme, the utility model discloses drip irrigation zone retrieves machine has following advantage at least:
the synchronous running distance between the drip irrigation tape coiling strip and the traction machine can be realized.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic front view of a drip irrigation tape recycling machine according to an embodiment of the present invention;
fig. 2 is a schematic top view of a drip irrigation tape recycling machine according to an embodiment of the present invention;
fig. 3 is a schematic view of a transmission mechanism in a drip irrigation tape recycling machine according to an embodiment of the present invention;
fig. 4 is a schematic view of a transmission mechanism in a drip irrigation tape recycling machine according to an embodiment of the present invention;
fig. 5 is a schematic top view of a belt guiding mechanism in a drip irrigation belt recycling machine according to an embodiment of the present invention;
fig. 6 is a schematic side view of a belt guiding mechanism in a drip irrigation belt recovery machine according to an embodiment of the present invention.
Shown in the figure:
the belt winding device comprises a frame 1, a movable support 2, a belt winding mechanism 3, a belt coiling rotating shaft 3-1, a belt coiling frame 3-2, a belt guide mechanism 4, a belt guide support 4-1, a belt guide rotating shaft 4-2, a limiting disc 4-3, a bridge passing rotating shaft 4-4, a wind shield ring 4-5, a belt arranging component 5, a connecting component 5-1, a belt arranging rod 5-2, a land wheel 6, a supporting wheel 7, an oil cylinder 8, a transmission mechanism 9, a driving chain wheel 9-1, a transmission chain 9-2, a driven chain wheel 9-3 and an auxiliary chain wheel 9-4.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments, in order to explain the detailed embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1 and 2, an embodiment of the present invention provides a drip irrigation tape recycling machine, which can be hung at the front end or the rear end of a tractor to recycle drip irrigation tapes to meet different crop demands. The device comprises a frame 1, a movable support 2, a winding mechanism 3 and a belt guiding mechanism 4;
the frame 1 can be hung on a traction machine; the frame 1 is supported by a traction machine tool and is dragged to move;
the movable bracket 2 is arranged on the frame 1 in a manner of sliding up and down; preferably, a slide rail is arranged on the frame 1; be provided with the roller bearing on the movable support 2, the roller bearing can set up on movable support 2 with rotating, and the roller bearing joint can roll on the slide rail in slide rail both sides, and then realizes that movable support 2 reciprocates relatively frame 1.
The movable bracket 2 is provided with a land wheel 6; when the land wheel 6 is in contact with the ground, the land wheel can rotate under the action of ground friction force, and then the winding mechanism 3 is driven to rotate. The winding mechanism 3 is arranged on the movable bracket 2 and is used for winding the drip irrigation tape;
the tape winding mechanism 3 includes: a tape coiling rotating shaft 3-1 and a tape coiling frame 3-2; the disk belt rotating shaft 3-1 can be rotatably arranged on the movable bracket 2; the coil belt frame 3-2 is arranged on the coil belt rotating shaft 3-1, is driven to rotate by the coil belt rotating shaft 3-1 and is used for winding the drip irrigation belt; a plurality of positioning holes are formed in the disk tape rotating shaft 3-1 so as to adjust the position of the disk tape frame 3-2; the belt blocking ring is arranged on the belt coiling frame 3-2, and the position of the belt blocking ring can be adjusted through the point position hole so as to adjust the length of the belt coiling frame 3-2. The belt blocking ring is preferably arranged on one side of the belt coiling frame 3-2 close to the power input side of the belt coiling rotating shaft 3-1 to prevent the drip irrigation belt from being wound on the belt coiling rotating shaft 3-1.
The belt coiling rotating shaft 3-1 is in transmission connection with the land wheel 6 through a transmission mechanism 9; the transmission mechanism 9 is driven by a chain; the rotation direction of the disk belt rotating shaft 3-1 is opposite to that of the land wheel 6;
the guiding belt mechanism 4 is arranged on the movable bracket 2 and is used for guiding the drip irrigation tape to be wound on the winding mechanism 3. The belt guiding mechanism 4 is arranged corresponding to the winding mechanism 3 in front and back.
During the operation, the drip irrigation zone is buried soil too deeply, or other reasons lead to the drip irrigation zone resistance great time, and conduction band mechanism 4 receives drip irrigation zone decurrent pulling force, and conduction band mechanism 4 transmits the atress to land wheel 6 by movable support 2, and land wheel 6 moves down, makes the frictional force increase of land wheel 6 and ground, and then makes the land wheel 6 increase winding mechanism 3's drive power to realize synchronous.
The utility model discloses an embodiment provides a machine is retrieved to drip irrigation zone can realize that drip irrigation zone roll tape distance is synchronous with the distance of marcing that pulls the machines.
As a preference of the above embodiment, the transmission mechanism 9 includes: a driving chain wheel 9-1, a transmission chain 9-2 and a driven chain wheel 9-3; the driving chain wheel 9-1 and the land wheel 6 are coaxially arranged; the driving chain wheel 9-1 is in transmission connection with a rotating shaft of the land wheel 6; the driven chain wheel 9-3 is arranged on the disk belt rotating shaft 3-1 and is in transmission connection with the disk belt rotating shaft 3-1; the transmission chain 9-2 is arranged on the driving chain wheel 9-1 and the driven chain wheel 9-3 and is used for transmitting power between the driving chain wheel 9-1 and the driven chain wheel 9-3; the driving sprocket 9-1 and the driven sprocket 9-3 are opposite in direction.
As a preference for the above embodiment, referring to FIG. 3, the drive chain 9-2 is arranged in an "8" pattern so that the drive sprocket 9-1 and the driven sprocket 9-3 are turned in opposite directions. Further preferably, the distance between the driving chain wheel 9-1 and the driven chain wheel 9-3 is larger than 1.2m, so that the transmission chain 9-2 can be reliably transmitted when being arranged in an 8 shape. Further preferably, chain protecting discs I are arranged on two sides of the driving chain wheel 9-1 to prevent the chain from sliding out of the driving chain wheel 9-1; two sides of the driven chain wheel 9-3 are provided with chain protecting discs II to prevent the chain from sliding out of the driven chain wheel 9-3.
As a preference of the above embodiment, referring to fig. 4, the transmission mechanism 9 further includes: a driven rotating shaft; an auxiliary chain wheel 9-4 is arranged on the driven rotating shaft; the driving chain wheel 9-1 is in transmission connection with the driven chain wheel 9-3 through the auxiliary chain wheel 9-4, so that the driving chain wheel 9-1 and the driven chain wheel 9-3 are reversely rotated. Two driven rotating shafts are provided; the two driven rotating shafts are respectively arranged at two sides of the driven chain wheel 9-3.
As the optimization of the above embodiment, a lifting cylinder 8 is arranged between the movable bracket 2 and the frame 1; one end of the lifting oil cylinder 8 is hinged with the movable support 2, and the other end of the lifting oil cylinder is hinged with the rack 1 and used for controlling the position of the movable support 2 relative to the rack 1. During operation, the direction lifting oil cylinder 8 and the land wheel 6 are in contact with the ground to realize rotation, and when the operation is finished, the movable support 2 can be lifted to enable the land wheel 6 to leave the ground, and the operation is stopped.
As a preference of the above embodiment, the movable bracket 2 is provided with a belt arranging assembly 5; the ribbon aligning assembly 5 includes: a connecting member 5-1 and a belting rod 5-2; one end of the connecting member 5-1 is fixedly provided on the movable bracket 2; the ribbon-arranging rod 5-2 is arranged at the other end of the connecting component 5-1; the connecting member 5-1 is a telescopic rod piece; the length of the connecting member 5-1 can be adjusted; an extension rod piece is nested in the ribbon arranging rod 5-2 so as to adjust the length of the ribbon arranging rod 5-2; the strip discharging rod 5-2 is arranged at the lower part of the movable bracket 2 and is used for guiding the drip irrigation tape and transmitting the tension of the drip irrigation tape to the movable bracket 2. If the drip irrigation tape is buried shallowly or is positioned on the ground surface, the tape coiling mechanism 3 draws the drip irrigation tape, and the tape coiling rod 5-2 is positioned below the movable bracket 2 and is close to the ground surface during operation; therefore, the strip discharging rod 5-2 on the movable support 2 is pulled upwards by the drip irrigation tape, and has upward lifting force for the movable support 2, so that the friction force between the land wheel 6 and the ground is reduced, even the land wheel 6 slips, the driving of the land wheel 6 to the strip discharging mechanism 3 is reduced, the pulling force of the strip discharging mechanism 3 to the drip irrigation tape is reduced, and the synchronization of the length of the recovered drip irrigation tape and the walking distance of a traction machine tool is realized.
As a preference of the above embodiment, the strip discharging rod 5-2 is rotatably arranged on the connecting member 5-1 to reduce the resistance of the strip discharging rod 5-2 to the drip irrigation tape, and the strip discharging rod 5-2 is preferably connected to the connecting member 5-1 through a bearing.
As a preference of the above embodiment, the belt guide mechanism 4 includes: a guide belt bracket 4-1, a guide belt rotating shaft 4-2, a limiting disc 4-3 and a gap bridge rotating shaft 4-4; the guide belt bracket 4-1 is rotatably arranged on the movable bracket 2; the guide belt bracket 4-1 can rotate relative to the movable bracket 2 so as to adjust the position of the guide belt bracket 4-1 relative to the movable bracket 2; the guide belt rotating shaft 4-2 can be rotatably arranged on the guide belt bracket 4-1; the limiting disc 4-3 can be detachably sleeved on the guide belt rotating shaft 4-2; the outer side of the limiting disc 4-3 is in a round table structure so as to limit the drip irrigation tape on the guide tape rotating shaft 4-2; the gap bridge rotating shaft 4-4 can be rotatably arranged on the conduction band bracket 4-1 and is used for guiding the drip irrigation band and avoiding winding on the conduction band rotating shaft 4-2. During operation, the drip irrigation tape passes through the tape discharging rod 5-2 and is limited on the conduction band rotating shaft 4-2 by the limiting disc 4-3 to prevent tape falling. And then the drip irrigation tape is supported through the gap bridge rotating shaft 4-4, so that an included angle is avoided in the recovery process, and the tape breakage is prevented.
As a preference of the above embodiment, the belt guide mechanism 4 further includes: a mud scraper; the mud scraping plate is fixedly arranged on the movable support 2 and is positioned at one side of the conduction band rotating shaft 4-2 and used for scraping soil and weeds on the drip irrigation band passing through the conduction band rotating shaft 4-2.
Referring to fig. 5 and 6, the belt guiding mechanism 4 further includes: the wind shielding ring 4-5 is used for limiting the drip irrigation tape within the range of the conduction band rotating shaft 4-2, and the wind shielding ring 4-5 comprises: the stop lever I, the stop lever II and the transverse stop lever; the first stop lever is fixedly arranged on the guide rod bracket 4-1 and is positioned at one end of the guide belt rotating shaft 4-2; the stop lever II is fixedly arranged on the guide rod bracket 4-1 and is positioned at the other end of the guide belt rotating shaft 4-2; one end of the transverse blocking rod is fixed on the first blocking rod, the other end of the transverse blocking rod is fixed on the second blocking rod, and the drip irrigation tape is blocked in a preset range by the wind blocking ring 4-5 during operation, so that the drip irrigation tape is prevented from being separated from the conduction band mechanism 4 under the influence of wind.
The driving chain wheel 9-1, the driven chain wheel 9-3 and the driven chain wheel 9-3 are preferably adopted as the embodiment, and the belt guiding mechanism 4 is provided in plurality; the number of the winding mechanisms 3 is multiple; the belt guiding mechanism 4 is arranged corresponding to the winding mechanism 3 in front and back.
As a preference of the above embodiment, the front end of the frame 1 is provided with a support wheel 7; two supporting wheels 7 are provided; two supporting wheels 7 are respectively arranged at the left side and the right side of the frame 1. The supporting wheel 7 is connected with the frame 1 through an adjusting mechanism; the adjusting mechanism can limit the relative position of the supporting wheel 7 and the frame 1 so as to adjust the relative height of the supporting wheel 7 and the land wheel 6; when the movable support 2 is subjected to a large pulling force, the support wheels 7 can support the machine frame 1, and the influence of the large pulling force on the traction of a traction machine is avoided. The adjusting mechanism comprises a limiting pin; the movable support 2 is prevented from being lifted too high relative to the frame 1 to keep the frame 1 balanced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. A drip irrigation tape recycling machine is characterized by comprising a machine frame, a movable support, a tape winding mechanism and a tape guiding mechanism;
the frame can be hung on a traction machine;
the movable bracket can be arranged on the rack in a vertically sliding manner;
a land wheel is arranged on the movable bracket;
the tape winding mechanism is arranged on the movable bracket and is used for winding a drip irrigation tape;
the winding mechanism includes: a tape coiling rotating shaft and a tape coiling frame;
the disc belt rotating shaft can be rotatably arranged on the movable bracket; the coiled strip frame is arranged on the coiled strip rotating shaft, is driven to rotate by the coiled strip rotating shaft and is used for winding the drip irrigation strip;
the belt coiling rotating shaft is in transmission connection with the land wheel through a transmission mechanism;
the transmission mechanism is driven by a chain;
the rotation direction of the disk belt rotating shaft is opposite to that of the land wheel;
the conduction band mechanism is arranged on the movable support and used for guiding the drip irrigation tape to be wound on the winding mechanism.
2. The drip irrigation tape recycling machine according to claim 1,
the transmission mechanism includes: a driving sprocket, a driving chain and a driven sprocket;
the driving chain wheel and the land wheel are coaxially arranged; the driving chain wheel is in transmission connection with a rotating shaft of the land wheel;
the driven chain wheel is arranged on the disk belt rotating shaft and is in transmission connection with the disk belt rotating shaft;
the transmission chain is arranged on the driving chain wheel and the driven chain wheel and is used for transmitting power between the driving chain wheel and the driven chain wheel; the driving chain wheel and the driven chain wheel are opposite in rotation direction.
3. The drip irrigation tape recycling machine according to claim 2,
the transmission chain is arranged in an 8 shape, so that the driving chain wheel and the driven chain wheel are opposite in rotation direction.
4. The drip irrigation tape recycling machine according to claim 2,
the transmission mechanism further includes: a driven rotating shaft; an auxiliary chain wheel is arranged on the driven rotating shaft;
the driving chain wheel is in transmission connection with the driven chain wheel through the auxiliary chain wheel, so that the driving chain wheel and the driven chain wheel are opposite in direction.
5. The drip irrigation tape recycling machine according to claim 1,
the movable support is provided with a belt arranging assembly;
the ribbon aligning assembly comprises: a connecting member and a strap bar;
one end of the connecting member is fixedly arranged on the movable bracket;
the ribbon arranging rod is arranged at the other end of the connecting component;
the connecting member is a telescopic rod piece; the length of the connecting member is adjustable;
an extension rod piece is nested in the belt arranging rod to adjust the length of the belt arranging rod;
the belt arranging rod is arranged at the lower part of the movable support and is used for guiding the drip irrigation belt and transmitting the tension of the drip irrigation belt to the movable support.
6. The drip irrigation tape recycling machine according to claim 5,
the ribbon discharge lever is rotatably provided on the connecting member.
7. The drip irrigation tape recycling machine according to claim 1,
the belt guiding mechanism comprises: the guide belt bracket, the guide belt rotating shaft, the limiting disc and the gap bridge rotating shaft are arranged on the guide belt bracket;
the guide belt bracket can be rotatably arranged on the movable bracket;
the belt guide support can rotate relative to the movable support to adjust the position of the belt guide support relative to the movable support;
the guide belt rotating shaft is rotatably arranged on the guide belt bracket;
the limiting disc is detachably sleeved on the guide belt rotating shaft;
the outer side round platform structure of the limiting disc;
the gap bridge rotating shaft can be rotatably arranged on the conduction band bracket and is used for guiding the drip irrigation tape and avoiding winding on the conduction band rotating shaft.
8. The drip irrigation tape recycling machine according to claim 7,
the belt guiding mechanism further comprises: a mud scraper;
the mud scraping plate is fixedly arranged on the movable support, is positioned on one side of the conduction band rotating shaft and is used for scraping mud on the drip irrigation tape passing through the conduction band rotating shaft.
9. The drip irrigation tape recovery machine according to claim 3,
chain protecting discs I are arranged on two sides of the driving chain wheel;
and two sides of the driven chain wheel are provided with a second chain protection disc.
10. The drip irrigation tape recycling machine according to claim 1,
the front end of the frame is provided with a supporting wheel; the supporting wheel is connected with the rack through an adjusting mechanism;
the adjustment mechanism can define the relative position of the support wheel and the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921233489.1U CN210393070U (en) | 2019-07-31 | 2019-07-31 | Drip irrigation tape recycling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921233489.1U CN210393070U (en) | 2019-07-31 | 2019-07-31 | Drip irrigation tape recycling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210393070U true CN210393070U (en) | 2020-04-24 |
Family
ID=70357818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921233489.1U Active CN210393070U (en) | 2019-07-31 | 2019-07-31 | Drip irrigation tape recycling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210393070U (en) |
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2019
- 2019-07-31 CN CN201921233489.1U patent/CN210393070U/en active Active
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