CN111764452A - Ditching pipe burying device for agricultural irrigation in arid region - Google Patents
Ditching pipe burying device for agricultural irrigation in arid region Download PDFInfo
- Publication number
- CN111764452A CN111764452A CN202010620069.XA CN202010620069A CN111764452A CN 111764452 A CN111764452 A CN 111764452A CN 202010620069 A CN202010620069 A CN 202010620069A CN 111764452 A CN111764452 A CN 111764452A
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- fixed
- ditching
- pipe
- shaped
- agricultural irrigation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
The invention belongs to the technical field of agricultural machinery, in particular to a ditching and pipe burying device for agricultural irrigation in arid regions, which aims at solving the problem that most of the existing pipe burying devices need to carry out secondary cleaning on ditches after ditching, and provides a scheme that the ditching and pipe burying device comprises a mounting plate fixed at the tail part of a tractor and two channel steel slide rails which are fixed on the lower surface of the mounting plate and have opposite openings and are parallel to each other, a U-shaped slide frame is fixed between the two channel steel slide rails and is close to the mounting plate, a fixed barrel with the same opening downwards and in a barrel-shaped structure is rotatably connected between two side plates of the U-shaped slide frame, and a slide block is connected to the inner wall of the fixed barrel and is close to the opening at. When the pipe burying device is used, when a pipe needs to be buried, a hose to be buried is inserted into the arc-shaped pipe from the top end, the pipe is inserted downwards slowly along with the advance of the ditching cutter, and at the moment, the arc-shaped pipe can quickly and flatly lay the vertically inserted pipe in a ditch which is just opened, so that the situation that the ditch needs to be cleaned again when soil particles bury the ditch is avoided.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a ditching and pipe burying device for agricultural irrigation in arid regions.
Background
In the saline and alkaline land improvement process, the hidden pipe laying is a common improvement measure, and the requirement of hidden pipe laying is high, and the degree of difficulty is big, and the hidden pipe is laid and is adopted ditching pipe burying machine to go on more, and ditching pipe burying machine's operational environment is more abominable, and the operating mode is complicated, and self dead weight is great, and is great to ditching pipe burying machine's front axle impact.
The agricultural ditching device disclosed by the retrieved Chinese patent No. CN201710380972.1 comprises a handrail and a main rod, wherein one side of the bottom end of the main rod is provided with ditching teeth, the main rod is fixedly connected with the ditching teeth through fixing screws, the top of the main rod is connected with a rolling wheel through a connecting rod, one side of the main rod is provided with a hopper, the top end of the main rod is provided with a supporting rod, the rolling wheel is provided with a detachable mud scraping plate, and two sides of the rolling wheel are symmetrically provided with transverse arms; however, after the ditching device is ditched, soil particles can quickly roll into the ditches, and the arrangement of the pipes is not facilitated, so that the ditching device capable of quickly arranging the pipes after ditching is needed.
Disclosure of Invention
Based on the technical problem that most of the existing pipe burying devices need to perform secondary cleaning on ditches after ditches are opened and then pipe burying, the invention provides a ditching and pipe burying device for agricultural irrigation in arid regions.
The invention provides a ditching and pipe burying device for agricultural irrigation in arid regions, which comprises a mounting plate fixed at the tail part of a tractor, and two channel steel slide rails which are fixed on the lower surface of the mounting plate, are opposite in opening and are parallel to each other, a U-shaped slide frame is fixed between the two channel steel slide rails and is close to the mounting plate, a fixed barrel with the same downward opening and a barrel-shaped structure is rotatably connected between the two side plates of the U-shaped slide frame, a slide block is slidably connected to the inner wall of the fixed barrel and is close to the opening at the bottom end, a connecting rod is fixed at the bottom end of the slide block, a ditching knife is fixed at the bottom end of the connecting rod, an arc-shaped groove is reserved on one side of the ditching knife, which is far away from a knife tip, an arc-shaped pipe with an L-shaped structure is embedded in the arc-shaped groove, a bolt clamping block is fixed at the, a top disc is fixed at the bottom end of the self-locking screw rod, and a compression spring is fixed between the lower surface of the top disc and the upper surface of the sliding block.
As a preferable scheme in the invention, through holes which are coaxially distributed are respectively clamped on the inner walls of two opposite sides of the U-shaped sliding frame, and internal thread pipes which are matched with the through holes are respectively fixed on the outer walls of two opposite sides of the fixed barrel.
As a preferable scheme in the invention, a fixed plate is fixed on the outer wall of the fixed barrel close to the opening at the bottom end, an inlet is formed in the middle of the upper surface of the fixed plate, and an arc-shaped plate is fixed on the edge of the lower surface of the fixed plate close to the inlet.
As a preferable scheme in the invention, guide grooves with opposite openings and parallel to each other are respectively fixed between the inner walls of the two opposite sides of the fixed barrel, and protruding blocks in sliding connection with the guide grooves are reserved on the two opposite sides of the sliding block.
As a preferable scheme in the invention, the circumferential outer wall of the self-locking screw rod is provided with a jack close to the top end, and a poke rod penetrates through the jack.
According to the preferable scheme, driving boxes with cavities in cuboid structures are fixed at one ends, away from the U-shaped sliding frame, of the outer walls of the two opposite sides of the two channel steel sliding rails, sliding rods are connected between the top ends and the bottom ends of the two driving boxes in a sliding mode, an annular baffle is fixed at the position, close to the bottom of the driving box, of the circumferential outer wall of each sliding rod, and a stretching spring is fixed between the upper surface of each annular baffle and the top of the box.
As a preferable scheme in the invention, the same cross rod is fixed between the two annular baffles, the middle part of the upper surface of the cross rod is fixed with a push rod, the middle of the top end of the push rod is embedded with a ball, the bottom ends of the two sliding rods are respectively provided with a bearing fixing plate, and one opposite sides of the two bearing fixing plates are respectively and rotatably connected with a compression roller which is integrally in a V-shaped structure.
According to the preferable scheme, the same transmission rod is rotatably connected between the two channel steel slide rails and close to the top end of the ejector rod, and the middle key of the transmission rod is connected with the stepped guide wheel.
As the preferable scheme in the invention, a driving motor is fixed in a chute of one channel steel slide rail, a driving gear is fixed at the top end of an output shaft of the driving motor, and a driven gear matched with the driving gear is sleeved on the outer wall of the transmission rod.
The beneficial effects of the invention are as follows:
1. this kind of arid region agricultural irrigation is with ditching pipe laying device is provided with the ditching sword of arc tube through the back, can be when needs pipe laying when using, only need to wait that the hose of burying inserts the arc tube from the top, along with the pipe of slowly intubate downwards that gos forward of ditching sword, the arc tube can slowly be with the pipe of vertical lower insertion rapidly the tiling in the ditch of just having opened this moment, avoids the soil grain to need clearance once more with the ditch landfill.
2. This kind of arid region agricultural irrigation is with ditching pipe laying device through setting up the internal thread pipe at fixed bucket both sides outer wall, can fix it through revolving soon fastening bolt after the angle of inclination of fixed bucket is fixed when using, and is fixed convenient quick.
3. This kind of arid region agricultural irrigation is with ditching pipe laying device through fixed plate and the arc that sets up, can only need when using will wait to bury the ground the pipeline slowly downwards insert from the entry can, convenient operation is swift simple again to it is hand to prevent safely.
4. The ditching and pipe burying device for agricultural irrigation in the arid region is characterized in that two pressing rollers capable of moving up and down are arranged; when the pipe is used, when the pipe is instantly buried into the ground, redundant piled soil still exists on two sides of a ground ditch, and at the moment, the two pressing rollers gathered towards the middle can slowly gather the piled soil towards the middle, and vibrate and compact the soil, so that the working efficiency is improved.
The parts not involved in the device are the same as or can be realized by adopting the prior art, the ditching and pipe distributing device has a novel structure, integrates ditching, pipe distributing and compacting, and has high working efficiency.
Drawings
FIG. 1 is a schematic sectional view of a ditching and pipe burying device for agricultural irrigation in arid regions, which is provided by the invention;
FIG. 2 is a schematic perspective view of a ditching device of the ditching pipe burying device for agricultural irrigation in arid regions, which is provided by the invention;
FIG. 3 is a schematic view of a half-section three-dimensional structure of a ditching device of the ditching pipe burying device for agricultural irrigation in the arid region, which is provided by the invention;
FIG. 4 is a schematic perspective view of a roller of the ditching and pipe burying device for agricultural irrigation in arid regions, which is provided by the invention;
FIG. 5 is a schematic diagram of a semi-sectional three-dimensional structure of a roller driving box of the ditching and pipe burying device for agricultural irrigation in arid regions.
In the figure: the device comprises a channel steel sliding rail 1, a U-shaped sliding frame 2, a compression spring 3, a sliding block 4, a connecting rod 5, an arc-shaped plate 6, a slotting cutter 7, an arc-shaped groove 8, an arc-shaped pipe 9, a compression roller 10, a bearing fixing plate 1001, a strip-shaped hole 11, a cross bar 12, a push rod 13, a ball 1301, a stepped guide wheel 14, a driving box 15, a sliding rod 16, an extension spring 1601, a ring baffle 1602, a fixing plate 17, a top disc 18, a bolt clamping block 19, a hexagon nut 1901, a self-locking screw 20, a fixing barrel 21, a guide groove 22, a mounting plate 23, a transmission rod 24, a driven gear 240.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In this example
Referring to fig. 1-5, a ditching and pipe burying device for agricultural irrigation in arid regions comprises a mounting plate 23 fixed at the tail of a tractor, two channel steel slide rails 1 which are fixed on the lower surface of the mounting plate 23 and have opposite openings and are parallel to each other, a U-shaped slide frame 2 is fixed between the two channel steel slide rails 1 and is close to the mounting plate 23, a fixed barrel 21 which has a downward barrel-shaped structure with the same opening is rotatably connected between two side plates of the U-shaped slide frame 2, a slide block 4 is slidably connected to the inner wall of the fixed barrel 21 and is close to the opening at the bottom end, a connecting rod 5 is fixed at the bottom end of the slide block 4, a ditching knife 7 is fixed at the bottom end of the connecting rod 5, an arc-shaped groove 8 is reserved on one side of the ditching knife 7 far from a knife tip, an L-shaped arc-shaped pipe 9 is embedded in the arc-shaped groove 8, a bolt clamping block 19 is, rotate between two hexagon nuts 1901 and be connected with same root auto-lock screw rod 20, the bottom mounting of auto-lock screw rod 20 has a dish 18, be fixed with compression spring 3 between the lower surface of a dish 18 and the upper surface of slider 4, thereby can be when the needs pipe laying when using, only need to wait that the hose that buries inserts the arc pipe 9 from the top, along with the slowly intubate downwards of advancing of ditching sword 7, the arc pipe 9 can slowly be with the pipe of vertical lower grafting spread in the ditch of just having opened rapidly this moment, avoid the soil grain to bury the ditch and need clear up once more.
In the invention, through holes which are coaxially distributed are respectively clamped on the inner walls of two opposite sides of the U-shaped sliding frame 2, inner threaded pipes which are matched with the through holes are respectively fixed on the outer walls of two opposite sides of the fixed barrel 21, and a fastening bolt is screwed on one of the inner threaded pipes, so that the fixed barrel 21 can be fixed by screwing the fastening bolt after the inclination angle of the fixed barrel is fixed in use, and the fixation is convenient and quick.
Wherein, the outer wall of fixed bucket 21 is close to the bottom opening part and is fixed with fixed plate 17, and opens at the upper surface middle part of fixed plate 17 has the entry, and the edge that the lower surface of fixed plate 17 is close to the entry is fixed with arc 6 to can only need when using slowly insert downwards in will waiting to bury the ground pipeline from the entry can, convenient operation is swift simple again, and prevent safely hindering in hand.
Wherein, be fixed with the relative and parallel guide way 22 of opening each other between the relative both sides inner wall of fixed bucket 21, and the both sides that slider 4 is carried on the back mutually all reserve the lug that forms sliding connection with guide way 22.
Wherein, the circumference outer wall of auto-lock screw rod 20 is close to the top and is opened there is the jack, and runs through in the jack and has the poker rod.
Wherein, the one end that U-shaped sliding frame 2 was kept away from to the both sides outer wall that two channel-section steel slide rails 1 carried on the back mutually all is fixed with and establishes the drive box 15 that the cavity is the cuboid structure in, equal sliding connection has slide bar 16 between the top of two drive boxes 15 and the bottom, and the bottom of the case department that the circumference outer wall of slide bar 16 is close to drive box 15 is fixed with ring baffle 1602, and is fixed with extension spring 1601 between the upper surface of ring baffle 1602 and the roof.
Wherein, be fixed with same horizontal pole 12 between two ring baffle 1602, and the upper surface middle part of horizontal pole 12 is fixed with ejector pin 13, it is equipped with the ball to inlay in the middle of the top of ejector pin 13, the bottom of two slide bars 16 all is provided with bearing fixing plate 1001, and two relative one sides of bearing fixing plate 1001 rotate respectively and are connected with the compression roller 10 that wholly is V type structure, thereby can be when using, when the pipe is buried ground in the twinkling of an eye, ground irrigation canals and ditches both sides still have unnecessary mound soil, two compression rollers 10 that gather together to the centre this moment can slowly gather together the earth that piles up to the centre on one side, shake the compaction on one side, and the work efficiency is improved.
Wherein, the top that is close to ejector pin 13 between two channel-section steel slide rails 1 rotates and is connected with same root transfer line 24, and the middle part key of transfer line 24 is connected with ladder guide pulley 14, and cooperation extension spring 1601's effect can let ejector pin 13 present the orbit of up-and-down rapid movement, and then drives the up-and-down motion of compression roller 10.
Wherein, a driving motor is fixed in the chute of one channel steel slide rail 1, a driving gear 2402 is fixed at the top end of the output shaft of the driving motor, and a driven gear 2401 matched with the driving gear 2402 is sleeved on the outer wall of the transmission rod 24.
The working principle is as follows: when the pipe burying device is used, when a pipe needs to be buried, a hose to be buried is only required to be inserted into the arc-shaped pipe 9 from the top end, and then the pipe is slowly inserted downwards along with the advance of the ditching cutter 7, at the moment, the arc-shaped pipe 9 can slowly convert the vertically inserted pipe into the vertically inserted pipe to be paved in a groove which is just opened, and the problem that the groove needs to be cleaned again when soil particles bury the groove is avoided; when the pipe is buried into the ground instantly, redundant piled soil still exists on two sides of the ground ditch, the two compression rollers 10 gathered towards the middle can slowly gather the piled soil towards the middle, and the compression rollers 10 vibrate and compact at the same time under the driving of the driving motor and the stepped guide wheel 14, so that the working efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A ditching and pipe burying device for agricultural irrigation in arid regions comprises a mounting plate (23) fixed at the tail of a tractor and two channel steel slide rails (1) which are fixed on the lower surface of the mounting plate (23) and have opposite openings and are parallel to each other, a U-shaped slide frame (2) is fixed between the two channel steel slide rails (1) and is close to the mounting plate (23), a fixed barrel (21) with the same downward opening and a barrel-shaped structure is rotatably connected between two side plates of the U-shaped slide frame (2), a sliding block (4) is slidably connected on the inner wall of the fixed barrel (21) close to the opening at the bottom end, the ditching device is characterized in that a connecting rod (5) is fixed at the bottom end of the sliding block (4), a ditching knife (7) is fixed at the bottom end of the connecting rod (5), an arc-shaped groove (8) is reserved on one side, away from the knife tip, of the ditching knife (7), and an arc, the top of the fixed barrel (21) is fixed with a bolt clamping block (19), hexagonal nuts (1901) are clamped at the upper end and the lower end of the bolt clamping block (19), a same self-locking screw (20) is rotatably connected between the two hexagonal nuts (1901), a top disc (18) is fixed at the bottom end of the self-locking screw (20), and a compression spring (3) is fixed between the lower surface of the top disc (18) and the upper surface of the sliding block (4).
2. The ditching and pipe burying device for agricultural irrigation in arid regions according to claim 1, wherein through holes which are coaxially distributed are clamped on the inner walls of two opposite sides of the U-shaped sliding frame (2), and internal threaded pipes which are matched with the through holes are fixed on the outer walls of two opposite sides of the fixed barrel (21).
3. The ditching and pipe burying device for the agricultural irrigation of the arid region according to claim 1, wherein a fixing plate (17) is fixed to the outer wall of the fixing barrel (21) close to an opening at the bottom end, an inlet is formed in the middle of the upper surface of the fixing plate (17), and an arc-shaped plate (6) is fixed to the edge, close to the inlet, of the lower surface of the fixing plate (17).
4. A ditching and pipe burying device for agricultural irrigation in arid regions as claimed in claim 1, wherein guide grooves (22) with opposite openings and parallel to each other are respectively fixed between inner walls of opposite sides of the fixed barrel (21), and protruding blocks forming sliding connection with the guide grooves (22) are reserved on both sides of the opposite sides of the sliding block (4).
5. The ditching and pipe burying device for agricultural irrigation of the arid regions according to claim 1, wherein jacks are formed in the circumferential outer wall of the self-locking screw rod (20) close to the top ends, and poke rods penetrate through the jacks.
6. The ditching pipe burying device for the agricultural irrigation in the arid region according to claim 1, wherein driving boxes (15) with cavities in cuboid structures are fixed at one ends, away from U-shaped sliding frames (2), of outer walls of two opposite sides of two channel steel sliding rails (1), sliding rods (16) are connected between top ends and bottom ends of the two driving boxes (15) in a sliding mode, a ring-shaped baffle (1602) is fixed at a position, close to the box bottom of the driving boxes (15), of the outer circumferential wall of each sliding rod (16), and a tension spring (1601) is fixed between the upper surface of each ring-shaped baffle (1602) and the box top.
7. A ditching and pipe burying device for agricultural irrigation in arid regions according to claim 6, wherein a same cross rod (12) is fixed between two annular baffles (1602), a push rod (13) is fixed in the middle of the upper surface of the cross rod (12), a ball is embedded in the middle of the top end of the push rod (13), bearing fixing plates (1001) are arranged at the bottom ends of the two slide rods (16), and pressing rollers (10) which are integrally V-shaped are respectively and rotatably connected to the opposite sides of the two bearing fixing plates (1001).
8. A ditching and pipe burying device for agricultural irrigation of arid regions according to claim 7, wherein the same transmission rod (24) is rotatably connected between the two channel steel slide rails (1) close to the top end of the ejector rod (13), and a stepped guide wheel (14) is connected to the middle key of the transmission rod (24).
9. The ditching and pipe burying device for agricultural irrigation in arid regions according to claim 8, wherein a driving motor is fixed in a chute of one channel steel sliding rail (1), a driving gear (2402) is fixed at the top end of an output shaft of the driving motor, and a driven gear (2401) matched with the driving gear (2402) is sleeved on the outer wall of the transmission rod (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010620069.XA CN111764452A (en) | 2020-07-01 | 2020-07-01 | Ditching pipe burying device for agricultural irrigation in arid region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010620069.XA CN111764452A (en) | 2020-07-01 | 2020-07-01 | Ditching pipe burying device for agricultural irrigation in arid region |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111764452A true CN111764452A (en) | 2020-10-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010620069.XA Withdrawn CN111764452A (en) | 2020-07-01 | 2020-07-01 | Ditching pipe burying device for agricultural irrigation in arid region |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111764452A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157717A (en) * | 2022-06-29 | 2022-10-11 | 中化工程沧州冷却技术有限公司 | Production process of glass fiber reinforced plastic pipeline for cooling tower |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986000356A1 (en) * | 1984-06-25 | 1986-01-16 | John Teodor Sonerud | Machine for ploughing trenches and laying cables or wires therein |
| US6299381B1 (en) * | 2000-02-11 | 2001-10-09 | Sylvester J. Liebrecht, Jr. | Trencher plow for laying pipe |
| CN102845153A (en) * | 2012-10-12 | 2013-01-02 | 酒泉市铸陇机械制造有限责任公司 | Combined operation machine for soil preparation, filming, pipelaying, fertilizing, hole sowing and earthing |
| CN208300547U (en) * | 2018-05-07 | 2019-01-01 | 甘肃杨柳青牧草饲料开发有限公司 | A kind of combined type drip irrigation zone pipelayer |
| CN208768413U (en) * | 2018-08-10 | 2019-04-23 | 青岛理工大学 | Precision seed and fertilizer simultaneous application and shallow-buried drip irrigation pipe laying and film covering integrated agricultural machinery equipment and tractor |
| CN209072890U (en) * | 2018-11-12 | 2019-07-09 | 黄淮学院 | A kind of Multifunctional crop rice seedling transplanter |
| CN110839351A (en) * | 2019-11-29 | 2020-02-28 | 天门元淼农业产业化发展有限公司 | Anti-sticking agricultural coulter during cutting |
-
2020
- 2020-07-01 CN CN202010620069.XA patent/CN111764452A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986000356A1 (en) * | 1984-06-25 | 1986-01-16 | John Teodor Sonerud | Machine for ploughing trenches and laying cables or wires therein |
| US6299381B1 (en) * | 2000-02-11 | 2001-10-09 | Sylvester J. Liebrecht, Jr. | Trencher plow for laying pipe |
| CN102845153A (en) * | 2012-10-12 | 2013-01-02 | 酒泉市铸陇机械制造有限责任公司 | Combined operation machine for soil preparation, filming, pipelaying, fertilizing, hole sowing and earthing |
| CN208300547U (en) * | 2018-05-07 | 2019-01-01 | 甘肃杨柳青牧草饲料开发有限公司 | A kind of combined type drip irrigation zone pipelayer |
| CN208768413U (en) * | 2018-08-10 | 2019-04-23 | 青岛理工大学 | Precision seed and fertilizer simultaneous application and shallow-buried drip irrigation pipe laying and film covering integrated agricultural machinery equipment and tractor |
| CN209072890U (en) * | 2018-11-12 | 2019-07-09 | 黄淮学院 | A kind of Multifunctional crop rice seedling transplanter |
| CN110839351A (en) * | 2019-11-29 | 2020-02-28 | 天门元淼农业产业化发展有限公司 | Anti-sticking agricultural coulter during cutting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157717A (en) * | 2022-06-29 | 2022-10-11 | 中化工程沧州冷却技术有限公司 | Production process of glass fiber reinforced plastic pipeline for cooling tower |
| CN115157717B (en) * | 2022-06-29 | 2024-02-09 | 中化工程沧州冷却技术有限公司 | Production process of glass fiber reinforced plastic pipeline for cooling tower |
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Application publication date: 20201013 |
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