CN114568072B - Greening ecological restoration system - Google Patents
Greening ecological restoration system Download PDFInfo
- Publication number
- CN114568072B CN114568072B CN202210250736.9A CN202210250736A CN114568072B CN 114568072 B CN114568072 B CN 114568072B CN 202210250736 A CN202210250736 A CN 202210250736A CN 114568072 B CN114568072 B CN 114568072B
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- Prior art keywords
- shaft
- soil
- digging
- hinged
- telescopic rod
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- 239000002689 soil Substances 0.000 claims description 38
- 230000003137 locomotive effect Effects 0.000 abstract 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000000452 restraining effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/04—Machines for making or covering holes for sowing or planting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/40—Afforestation or reforestation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
- Agricultural Machines (AREA)
Abstract
The invention relates to the technical field of greening ecology, in particular to a greening ecology restoration system which enables digging to be automatic, saves more manpower and time for greening ecology restoration work and improves reliability; still include card locomotive, the wheel, sweep and automatic soil-penetrating device, card locomotive rear end lower part is connected with the sweep front end, the truck head lower part left and right sides output and sweep left and right sides rear end rotationally are provided with the wheel respectively, sweep top left side is connected with the restraint axle outer end, the restraint axle outside is connected with the link inner wall is rotatable, the link top is connected with another group of articulated frame bottom end, the articulated frame is connected with telescopic link outside hinge piece through the articulated shaft is rotatable, link right-hand member rear side is connected with the soil-penetrating driving motor inner, soil-penetrating driving motor output is connected with the soil-penetrating shaft, soil-penetrating shaft rotatable coupling is on the link right side, the inside soil-penetrating shaft outer wall of link is connected with the soil-penetrating wheel inner wall.
Description
Technical Field
The invention relates to the technical field of greening ecology, in particular to a greening ecology restoration system.
Background
Greening (planting) plants to improve the activity of the environment. Greening refers to planting protection forests, roadside trees, crops, various plants in residential areas and parks, and the like. Greening comprises national greening, urban greening, four-side greening, road greening and the like. Greening can improve environmental sanitation and plays a variety of roles in maintaining ecological balance.
The tree planting is an important component of ecological restoration, and a worker usually uses auxiliary tools such as shovels to dig soil and pit, but because the quantity of tree planting required by batch greening restoration is large, the manual operation consumes more manpower, the efficiency is low, and the reliability is poor.
Disclosure of Invention
In order to solve the technical problems, the invention provides the greening ecological restoration system which can realize automation of soil digging, save more manpower and time for greening ecological restoration work and improve reliability.
The invention relates to a greening ecological restoration system, which also comprises a truck head, wheels, a truck plate and an automatic soil digging device, wherein the lower part of the rear end of the truck head is connected with the front end of the truck plate;
the automatic soil digging device comprises a constraint bracket, a hinged frame, hinged blocks, a hinged shaft, a hydraulic cylinder, a telescopic rod, a constraint shaft, a connecting frame, a soil digging driving motor, a soil digging shaft and a soil digging wheel, wherein the left front side of the top end of a vehicle plate is connected with the bottom end of the constraint bracket, the right end of the constraint bracket is connected with a group of hinged frames, the hinged frames are movably connected with a group of hinged blocks through the hinged shaft, one side of the outer ends of the hinged blocks is connected with the outer ends of the hydraulic cylinder, the output ends of the hydraulic cylinder are slidably connected with the inner ends of the telescopic rod, the outer ends of the telescopic rod are provided with another group of hinged blocks, the left side of the top end of the vehicle plate is connected with the outer ends of the constraint shaft, the outer sides of the constraint shaft are rotatably connected with the inner walls of the connecting frame, the rear side of the right end of the connecting frame is connected with the inner ends of the soil digging driving motor, the output ends of the soil digging driving motor are rotatably connected with the soil digging shaft, and the outer walls of the soil digging shaft inside the connecting frame are rotatably connected with the inner walls of the soil digging wheel.
The greening ecological restoration system also comprises an oil filling nozzle, wherein the right side of the top end of the hydraulic cylinder is connected with the bottom end of the oil filling nozzle, and the output end of the oil filling nozzle is communicated with the joint of the hydraulic cylinder and the telescopic rod.
The greening ecological restoration system also comprises an oiling cap, and the oiling cap is detachably arranged on the outer side of the oiling nozzle.
The greening ecological restoration system also comprises a hopper, a hinge and a rear baffle, wherein the rear side of the top end of the hopper is connected with the bottom end of the hopper, the lower part of the rear end of the hopper is connected with one end of the hinge, and the other end of the hinge is connected with the bottom side end of the rear baffle.
The invention relates to a greening ecological restoration system, which also comprises pin seats, pin rods, press hands and pin frames, wherein the left side and the right side of the upper part of the rear end of a car hopper are respectively connected with the inner ends of a group of pin frames, the left side and the right side of the upper part of the rear end of a rear baffle are respectively connected with the inner ends of a group of pin seats, the pin rods are slidably arranged in the pin seats, and the outer ends of the two groups of pin rods are respectively connected with a group of press hands.
The greening ecological restoration system also comprises a lamp post, a lamp shade and a bulb, wherein the right front side of the top end of the car hopper is connected with the bottom end of the lamp post, the fixed end of the lamp post is connected with the bottom end of the lamp shade, and the bulb is arranged in the lamp shade.
The greening ecological restoration system provided by the invention further comprises a nameplate, and the nameplate is arranged on the front upper side of the right end of the car hopper.
The greening ecological restoration system further comprises a balancing weight, and the front part of the left side of the vehicle plate is connected with the inner end of the balancing weight.
Compared with the prior art, the invention has the beneficial effects that: when the truck head moves the truck plate through the wheels, the telescopic link is in a contracted state on the hydraulic cylinder, the connecting frame carries the digging driving motor, the digging shaft and the digging wheel to retract into the truck plate, when the truck head and the truck plate are stopped when the truck head and the truck plate reach corresponding positions, the hydraulic cylinder operates to extend the telescopic link, the connecting frame is enabled to move outwards from the truck plate under the restraint of the restraint shaft through the movable restraint of the hinge block at the outer end of the hydraulic cylinder and the telescopic link in the hinge frame, meanwhile, the digging driving motor drives the digging shaft, the digging wheel is enabled to rotate, the digging wheel is enabled to perform soil in a rotating state, the hydraulic cylinder is enabled to act on the telescopic link to extend continuously until the digging wheel is stopped after digging soil reaches a proper soil pit, the hydraulic cylinder acts on the telescopic link to retract, so that the digging soil is enabled to realize automation, manpower and time are saved for greening ecological restoration work, and reliability are improved.
Drawings
FIG. 1 is an isometric view of a schematic construction of the present invention;
FIG. 2 is a schematic top view of the structure of the present invention;
FIG. 3 is a schematic rear view of the structure of the present invention;
the reference numerals in the drawings: 1. clamping a headstock; 2. a wheel; 3. a sweep; 4. a constraining support; 5. a hinge bracket; 6. a hinge block; 7. a hinge shaft; 8. a hydraulic cylinder; 9. a telescopic rod; 10. restraining the shaft; 11. a connecting frame; 12. a soil digging driving motor; 13. digging a soil shaft; 14. a digging wheel; 15. an oil filling nozzle; 16. an oiling cap; 17. a hopper; 18. a hinge; 19. a rear baffle; 20. a pin base; 21. a pin rod; 22. pressing the hand; 23. a pin frame; 24. a lamp post; 25. a lamp shade; 26. a bulb; 27. a nameplate; 28. and (5) balancing weights.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, the greening ecological restoration system further comprises a truck head 1, wheels 2, a truck plate 3 and an automatic soil digging device, wherein the lower part of the rear end of the truck head 1 is connected with the front end of the truck plate 3, the wheels 2 are respectively rotatably arranged at the left and right output ends of the lower part of the truck head 1 and the left and right rear ends of the truck plate 3, and the automatic soil digging device is arranged at the front side of the top end of the truck plate 3;
the automatic soil digging device comprises a constraint bracket 4, a hinged frame 5, a hinged block 6, a hinged shaft 7, a hydraulic cylinder 8, a telescopic rod 9, a constraint shaft 10, a connecting frame 11, a soil digging driving motor 12, a soil digging shaft 13 and a soil digging wheel 14, wherein the left front side of the top end of a vehicle plate 3 is connected with the bottom end of the constraint bracket 4, the right end of the constraint bracket 4 is connected with a group of hinged frames 5, a group of hinged blocks 6 are movably connected in the hinged frames 5 through the hinged shaft 7, one side of the outer ends of the hinged blocks 6 is connected with the outer end of the hydraulic cylinder 8, the output end of the hydraulic cylinder 8 is slidably connected with the inner end of the telescopic rod 9, the outer end of the telescopic rod 9 is provided with another group of hinged blocks 6, the left side of the top end of the vehicle plate 3 is connected with the outer end of the constraint shaft 10, the outer side of the constraint shaft 10 is rotatably connected with the inner wall of the connecting frame 11, the top end of the connecting frame 11 is connected with the bottom end of the other group of the hinged frames 5, the right side of the hinged frame 5 is rotatably connected with the hinged block 6 on the outer side of the telescopic rod 9, the right side of the connecting frame 11 is connected with the inner end of the soil digging driving motor 12, the output end of the soil digging shaft 12 is rotatably connected with the inner wall 13 of the connecting frame 13 and the soil digging wheel 13 on the inner wall of the connecting frame 11; when the truck head 1 drives the truck plate 3 to move through the wheels 2, the telescopic link 9 is in a contracted state on the hydraulic cylinder 8, the connecting frame 11 carries the digging driving motor 12, the digging shaft 13 and the digging wheel 14 to retract into the truck plate 3, when the truck head 1 and the truck plate 3 reach corresponding positions, the hydraulic cylinder 8 operates to extend the telescopic link 9, the articulated blocks 6 at the outer ends of the hydraulic cylinder 8 and the telescopic link 9 are movably restrained in the articulated frame 5 through the articulated shaft 7, the connecting frame 11 is enabled to move outwards from the truck plate 3 under the restraint of the restraining shaft 10, meanwhile, the digging driving motor 12 drives the digging shaft 13, the digging wheel 14 is enabled to rotate, the digging wheel 14 is enabled to continuously extend out of the soil through the rotating state, the hydraulic cylinder 8 is enabled to act on the telescopic link 9 until the digging wheel 14 is stopped after digging to reach a proper soil pit, the telescopic link 9 is enabled to retract through the hydraulic cylinder 8, the automatic digging is enabled to be realized, labor is saved, the work of restoring the greening ecology is more saved, and the reliability is improved.
The greening ecological restoration system also comprises an oil filling nozzle 15, wherein the right side of the top end of the hydraulic cylinder 8 is connected with the bottom end of the oil filling nozzle 15, and the output end of the oil filling nozzle 15 is communicated with the joint of the hydraulic cylinder 8 and the telescopic rod 9; the joint of the hydraulic cylinder 8 and the telescopic rod 9 can be filled with oil and lubricated by the oil filling nozzle 15, so that convenience is improved.
The greening ecological restoration system also comprises an oiling cap 16, wherein the oiling cap 16 is detachably arranged on the outer side of the oiling nozzle 15; the outer side of the oiling nozzle 15 can be covered by the oiling cap 16, so that dust entering inside is avoided, and the reliability is improved.
The greening ecological restoration system also comprises a hopper 17, a hinge 18 and a rear baffle 19, wherein the rear side of the top end of the vehicle plate 3 is connected with the bottom end of the hopper 17, the lower part of the rear end of the hopper 17 is connected with one end of the hinge 18, and the other end of the hinge 18 is connected with the bottom side end of the rear baffle 19; the auxiliary tool can be loaded by the hopper 17 or the digging soil can be transported, and the rear end of the rear baffle 19 is closed under the constraint of the hinge 18 to avoid falling out, so that the functionality is increased.
The invention relates to a greening ecological restoration system, which also comprises pin bosses 20, pin rods 21, press hands 22 and pin frames 23, wherein the left side and the right side of the upper part of the rear end of a car hopper 17 are respectively connected with the inner ends of a group of pin frames 23, the left side and the right side of the upper part of the rear end of a rear baffle 19 are respectively connected with the inner ends of a group of pin bosses 20, the pin rods 21 are slidably arranged in the pin bosses 20, and the outer ends of the two groups of pin rods 21 are respectively connected with a group of press hands 22; the pin 21 can be slidably inserted into the pin holder 23 by pressing the pressing hand 22, thereby improving the reliability.
The greening ecological restoration system also comprises a lamp post 24, a lamp shade 25 and a bulb 26, wherein the right front side of the top end of the car hopper 17 is connected with the bottom end of the lamp post 24, the fixed end of the lamp post 24 is connected with the bottom end of the lamp shade 25, and the bulb 26 is arranged in the lamp shade 25; the lamp is supported by a lamp post 24, and the lamp shade 25 can guide the illumination of the bulb 26 to cope with darker working environment, thereby increasing the functionality.
The greening ecological restoration system also comprises a nameplate 27, and the nameplate 27 is arranged on the front upper side of the right end of the car hopper 17; the equipment information can be displayed through the nameplate 27, so that maintenance, repair and use are convenient, and convenience is improved.
The greening ecological restoration system also comprises a balancing weight 28, and the front part of the left side of the sweep plate 3 is connected with the inner end of the balancing weight 28; the balancing weight 28 can balance the vehicle plate 3, so that the potential rollover hazard when the connecting frame 11 is outwards avoided, and the reliability is improved.
According to the greening ecological restoration system, when the truck head 1 drives the truck plate 3 to move through the wheels 2 during operation, the telescopic rod 9 is in a contracted state on the hydraulic cylinder 8, the connecting frame 11 carries the digging driving motor 12, the digging shaft 13 and the digging wheel 14 to retract into the truck plate 3, when the truck head 1 and the truck plate 3 reach corresponding positions, the hydraulic cylinder 8 stops to extend the telescopic rod 9, the articulated block 6 at the outer end of the hydraulic cylinder 8 and the telescopic rod 9 moves and is restrained in the articulated frame 5 through the articulated shaft 7, the connecting frame 11 moves outwards from the truck plate 3 under the restraint of the restraining shaft 10, meanwhile, the digging driving motor 12 drives the digging shaft 13 to enable the digging wheel 14 to rotate, the digging wheel 14 in a rotating state performs digging, the hydraulic cylinder 8 is enabled to continuously extend the telescopic rod 9 until the digging wheel 14 is stopped after the digging wheel 14 reaches a proper soil pit, and the telescopic rod 9 is enabled to retract by the hydraulic cylinder 8.
The installation mode, the connection mode or the setting mode of the greening ecological restoration system are common mechanical modes, and the greening ecological restoration system can be implemented as long as the beneficial effects can be achieved; the truck head 1, the hydraulic cylinder 8, the soil digging driving motor 12 and the bulb 26 of the greening ecological restoration system are purchased in the market, and can be installed and operated by a person skilled in the art according to the attached instruction.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (5)
1. The greening ecological restoration system is characterized by further comprising a truck head (1), wheels (2), a truck plate (3) and an automatic soil digging device, wherein the lower part of the rear end of the truck head (1) is connected with the front end of the truck plate (3), the left and right output ends of the lower part of the truck head (1) and the left and right rear ends of the truck plate (3) are respectively rotatably provided with the wheels (2), and the front side of the top end of the truck plate (3) is provided with the automatic soil digging device;
the automatic soil digging device comprises a constraint bracket (4), a hinged frame (5), a hinged block (6), a hinged shaft (7), a hydraulic cylinder (8), a telescopic rod (9), a constraint shaft (10), a connecting frame (11), a soil digging driving motor (12), a soil digging shaft (13) and a soil digging wheel (14), wherein the left front side of the top end of a vehicle plate (3) is connected with the bottom end of the constraint bracket (4), the right end of the constraint bracket (4) is connected with a group of hinged frames (5), a group of hinged blocks (6) are movably connected in the hinged frames (5) through the hinged shaft (7), one side of the outer end of each hinged block (6) is connected with the outer end of the hydraulic cylinder (8), the output end of the hydraulic cylinder (8) is slidably connected with the inner end of the telescopic rod (9), the outer end of the telescopic rod (9) is provided with another group of hinged blocks (6), the left side of the top end of the vehicle plate (3) is connected with the outer end of the constraint shaft (10), the outer side of the constraint shaft (10) is rotatably connected with the inner wall of the connecting frame (11), the top end of the connecting frame (11) is connected with the other group of hinged frames (5), the bottom end of the hinged blocks (5) is connected with the outer end of the telescopic rod (7) through the telescopic rod (9) and the inner end of the telescopic rod (12), the output end of the digging driving motor (12) is connected with a digging shaft (13), the digging shaft (13) is rotatably connected to the right side of the connecting frame (11), and the outer wall of the digging shaft (13) in the connecting frame (11) is connected with the inner wall of the digging wheel (14);
the novel bicycle is characterized by further comprising a bicycle hopper (17), a hinge (18) and a rear baffle (19), wherein the rear side of the top end of the bicycle plate (3) is connected with the bottom end of the bicycle hopper (17), the lower part of the rear end of the bicycle hopper (17) is connected with one end of the hinge (18), and the other end of the hinge (18) is connected with the bottom side end of the rear baffle (19);
the novel bicycle lamp is characterized by further comprising a lamp post (24), a lamp shade (25) and a bulb (26), wherein the right front side of the top end of the bicycle hopper (17) is connected with the bottom end of the lamp post (24), the top end of the lamp post (24) is connected with the bottom end of the lamp shade (25), and the bulb (26) is arranged in the lamp shade (25);
the vehicle plate (3) is characterized by further comprising a balancing weight (28), and the front part of the left side of the vehicle plate (3) is connected with the inner end of the balancing weight (28).
2. The greening ecological restoration system according to claim 1, further comprising an oil filling nozzle (15), wherein the right side of the top end of the hydraulic cylinder (8) is connected with the bottom end of the oil filling nozzle (15), and the output end of the oil filling nozzle (15) is communicated with the connection part of the hydraulic cylinder (8) and the telescopic rod (9).
3. A greening ecological restoration system according to claim 2, further comprising an oiling cap (16), wherein the oiling cap (16) is detachably mounted on the outer side of the oiling nozzle (15).
4. A greening ecological repairing system according to claim 3, further comprising pin holders (20), pin rods (21), press hands (22) and pin frames (23), wherein the left and right sides of the upper part of the rear end of the car hopper (17) are respectively connected with the inner ends of a group of pin frames (23), the left and right sides of the upper part of the rear end of the rear baffle (19) are respectively connected with the inner ends of a group of pin holders (20), the pin rods (21) are slidably arranged in the pin holders (20), and the outer ends of the two groups of pin rods (21) are respectively connected with a group of press hands (22).
5. A greening ecological restoration system according to claim 4, further comprising a nameplate (27), wherein the nameplate (27) is arranged on the front upper side of the right end of the hopper (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210250736.9A CN114568072B (en) | 2022-03-15 | 2022-03-15 | Greening ecological restoration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210250736.9A CN114568072B (en) | 2022-03-15 | 2022-03-15 | Greening ecological restoration system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114568072A CN114568072A (en) | 2022-06-03 |
| CN114568072B true CN114568072B (en) | 2024-04-09 |
Family
ID=81775452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210250736.9A Active CN114568072B (en) | 2022-03-15 | 2022-03-15 | Greening ecological restoration system |
Country Status (1)
| Country | Link |
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| CN (1) | CN114568072B (en) |
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|---|---|---|---|---|
| GB0717561D0 (en) * | 2007-09-08 | 2007-10-17 | Borland Robert | Soil opening implements for seed planting |
| CN101135243A (en) * | 2007-09-28 | 2008-03-05 | 中国矿业大学 | Large-stroke stretching device for static-indeterminant supporting anchorage cable |
| CN103573740A (en) * | 2012-07-27 | 2014-02-12 | 常州市华立液压润滑设备有限公司 | Rust-proof hydraulic cylinder |
| CN207374449U (en) * | 2017-10-23 | 2018-05-18 | 山东科技大学 | A kind of construction site trolley |
| CN108386409A (en) * | 2018-03-12 | 2018-08-10 | 徐州永佳液压设备有限公司 | Protective hydraulic oil cylinder |
| CN208629404U (en) * | 2018-08-27 | 2019-03-22 | 福建云辉信息科技有限公司 | A kind of hardware tool case that automation equipment uses |
| CN111576524A (en) * | 2020-05-22 | 2020-08-25 | 芜湖山猫工程机械有限责任公司 | Construction grooving structure on tractor |
| CN213259601U (en) * | 2020-09-29 | 2021-05-25 | 苏州振恒机械设备有限公司 | Pneumatic paper cutter |
| CN215408158U (en) * | 2021-07-30 | 2022-01-04 | 中灌顺鑫华霖科技发展有限公司 | Environment-friendly intelligent integrated toilet room |
-
2022
- 2022-03-15 CN CN202210250736.9A patent/CN114568072B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0717561D0 (en) * | 2007-09-08 | 2007-10-17 | Borland Robert | Soil opening implements for seed planting |
| CN101135243A (en) * | 2007-09-28 | 2008-03-05 | 中国矿业大学 | Large-stroke stretching device for static-indeterminant supporting anchorage cable |
| CN103573740A (en) * | 2012-07-27 | 2014-02-12 | 常州市华立液压润滑设备有限公司 | Rust-proof hydraulic cylinder |
| CN207374449U (en) * | 2017-10-23 | 2018-05-18 | 山东科技大学 | A kind of construction site trolley |
| CN108386409A (en) * | 2018-03-12 | 2018-08-10 | 徐州永佳液压设备有限公司 | Protective hydraulic oil cylinder |
| CN208629404U (en) * | 2018-08-27 | 2019-03-22 | 福建云辉信息科技有限公司 | A kind of hardware tool case that automation equipment uses |
| CN111576524A (en) * | 2020-05-22 | 2020-08-25 | 芜湖山猫工程机械有限责任公司 | Construction grooving structure on tractor |
| CN213259601U (en) * | 2020-09-29 | 2021-05-25 | 苏州振恒机械设备有限公司 | Pneumatic paper cutter |
| CN215408158U (en) * | 2021-07-30 | 2022-01-04 | 中灌顺鑫华霖科技发展有限公司 | Environment-friendly intelligent integrated toilet room |
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| Publication number | Publication date |
|---|---|
| CN114568072A (en) | 2022-06-03 |
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