CN111425329A - Hydraulic pumping device with bird repelling function - Google Patents
Hydraulic pumping device with bird repelling function Download PDFInfo
- Publication number
- CN111425329A CN111425329A CN202010159245.4A CN202010159245A CN111425329A CN 111425329 A CN111425329 A CN 111425329A CN 202010159245 A CN202010159245 A CN 202010159245A CN 111425329 A CN111425329 A CN 111425329A
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- China
- Prior art keywords
- shaft
- driving
- box body
- driven
- bird
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/06—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/04—Units comprising pumps and their driving means the pump being fluid driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D3/00—Axial-flow pumps
- F04D3/02—Axial-flow pumps of screw type
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Birds (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a hydraulic pumping device with a bird repelling function, which comprises a box body, wherein a driving shaft is rotatably arranged at the bottom of the box body, an impeller is arranged at the lower tail end of the driving shaft, a pumping pipe is arranged on the side wall of the box body, a driven shaft is rotatably arranged in the pumping pipe, and screw blades are arranged on the driven shaft; a transmission assembly is arranged between the driving shaft and the driven shaft; the bird driving device is characterized in that a swing mechanism connected with the driving shaft is further arranged in the box body, a swing rod is installed at the tail end of the swing mechanism, and a bird driving frame is arranged on the swing rod. The hydraulic water pumping device with the bird repelling function drives the impeller to rotate by utilizing the kinetic energy of flowing water, so as to drive the screw blade to rotate, has high water pumping efficiency, realizes hydraulic drive water pumping operation, does not need external power input, and is energy-saving and environment-friendly; meanwhile, a swing mechanism is arranged to convert the rotary motion of a driving shaft above the impeller into the reciprocating swing motion of the swing rod, so that the bird driving frame is driven to swing back and forth to drive birds, and the birds are effectively scattered.
Description
Technical Field
The invention relates to the technical field of agricultural equipment, in particular to a hydraulic pumping device with a bird repelling function.
Background
In the agricultural planting process, crops are often required to be irrigated, and particularly in the drought season, the irrigation effect can directly influence the growth of the crops. Usually place pumping device and carry out water intaking and irrigate in the river, and current pumping device mostly all adopts electric energy drive, need the tractive power cord when pumping water, makes it very inconvenient, and the power cord submergence produces the electric leakage accident easily in aqueous moreover, has certain potential safety hazard.
Disclosure of Invention
The invention aims to provide a hydraulic water pumping device with a bird repelling function, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a hydraulic pumping device with a bird repelling function comprises a box body, wherein a driving shaft is rotatably installed at the bottom of the box body, an impeller is installed at the lower tail end of the driving shaft, a pumping pipe is fixedly connected to the side wall of the box body through a fixing column, the pumping pipe is formed by splicing an upper section, a middle section and a lower section, a driven shaft vertically penetrating through the pumping pipe is rotatably installed in the upper section of the pumping pipe through a shaft sleeve, and screw blades are arranged on the driven shaft; a transmission assembly is arranged between the driving shaft and the driven shaft; the swing mechanism is further arranged in the box body and comprises a fixed sleeve, a rotating shaft and a wheel disc, the fixed sleeve is fixedly arranged at the bottom in the box body, the driving shaft is rotatably sleeved in the fixed sleeve, the wheel disc is fixedly arranged at the top of the driving shaft, supporting frames are symmetrically and fixedly arranged on two sides of the fixed sleeve, bearing sleeves are fixed at the top of the supporting frames, the rotating shaft is rotatably sleeved between the bearing sleeves on two sides, connecting rods are uniformly arranged on two sides of the rotating shaft, a fixed column is fixedly sleeved between the connecting rods on two sides, a sliding sleeve is movably sleeved on the fixed column, a transmission column is fixedly arranged on the outer cylindrical surface of the sliding sleeve, a plurality of through holes are eccentrically arranged on the wheel disc, the; the tail end of the rotating shaft extends out of the side wall of the box body and is fixedly provided with a swing rod, and the swing rod is provided with a bird driving frame.
As a further scheme of the invention: the transmission assembly comprises a driving wheel, a driven wheel and a transmission belt, the driving wheel is fixedly mounted on the driving shaft, the driven wheel is fixedly mounted at the lower tail end of the driven shaft, and the transmission belt is rotatably connected between the driving wheel and the driven wheel.
As a further scheme of the invention: the diameter of the driving wheel is larger than that of the driven wheel.
As a further scheme of the invention: and a sealing ring is arranged at the joint of the shaft sleeve and the water pumping pipe.
As a further scheme of the invention: the impeller is made of 304 stainless steel.
As a further scheme of the invention: the bottom of the lower section of the water pumping pipe is provided with a conical cover.
As a further scheme of the invention: a filter screen is arranged in the conical cover.
Compared with the prior art, the invention has the beneficial effects that:
the hydraulic pumping device with the bird repelling function drives the impeller to rotate by utilizing the kinetic energy of flowing water, then drives the screw blade in the pumping pipe to rotate through the transmission assembly, and simultaneously improves the rotating speed of the screw blade, so that the hydraulic pumping device is high in pumping efficiency, realizes hydraulic driving pumping operation, does not need external power input, and is energy-saving and environment-friendly; set up wabbler mechanism simultaneously, convert the rotary motion of impeller top driving shaft into the reciprocating swing motion of pendulum rod to drive and drive the swing back and forth of bird frame and drive the bird, with the cooperation of the different through-holes on transmission post and the rim plate, can adjust the range that the pendulum rod reciprocated and wabbled, thereby change and drive the bird effect of driving of bird frame, effectively dispel birds.
Drawings
FIG. 1 is a first perspective view of a hydraulic water pumping device with a bird repelling function;
FIG. 2 is a second perspective view of the hydraulic water pumping device with bird repelling function;
fig. 3 is a perspective view of a swing mechanism in the hydraulic water pumping device with the bird repelling function.
In the figure: 1-box body, 2-driving shaft, 3-impeller, 4-swing mechanism, 401-fixed sleeve, 402-supporting frame, 403-bearing sleeve, 404-rotating shaft, 405-connecting rod, 406-fixed column, 407-wheel disc, 408-sliding sleeve, 409-transmission column, 410-through hole, 5-swing rod, 6-bird driving frame, 7-fixed column, 8-water pumping pipe, 9-driven shaft, 10-shaft sleeve, 11-screw blade, 12-driving wheel, 13-driven wheel, 14-driving belt, 15-conical cover and 16-filter screen.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if there is a directional indication (such as up, down, left, right, front, and back) in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, and the like in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if the description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, a hydraulic pumping device with a bird repelling function comprises a box body 1, wherein a driving shaft 2 is rotatably mounted at the bottom of the box body 1, an impeller 3 is mounted at the lower tail end of the driving shaft 2, a pumping pipe 8 is fixedly connected to the side wall of the box body 1 through a fixing column 7, the pumping pipe 8 is formed by splicing an upper section, a middle section and a lower section, a driven shaft 9 vertically penetrating through the pumping pipe 8 is rotatably mounted in the upper section of the pumping pipe 8 through a shaft sleeve 10, and screw blades 11 are arranged on the driven shaft 9; a transmission assembly is arranged between the driving shaft 2 and the driven shaft 9;
referring to fig. 3, a swing mechanism 4 is further disposed in the box body 1, the swing mechanism 4 includes a fixed sleeve 401, a rotating shaft 404 and a wheel disc 407, the fixing sleeve 401 is fixedly arranged at the bottom in the box body 1, the driving shaft 2 is rotatably sleeved in the fixing sleeve 401, the top of the driving shaft 2 is fixedly provided with a wheel disc 407, the two sides of the fixed sleeve 401 are symmetrically and fixedly provided with supporting frames 402, the top of the supporting frame 402 is fixed with bearing sleeves 403, a rotating shaft 404 is rotatably sleeved between the bearing sleeves 403 at the two sides, connecting rods 405 are respectively arranged at two sides of the rotating shaft 404, a fixing column 406 is fixedly sleeved between the connecting rods 405 at the two sides, a sliding sleeve 408 is movably sleeved on the fixed column 406, a transmission column 409 is fixed on the outer cylindrical surface of the sliding sleeve 408, a plurality of through holes 410 are eccentrically formed in the wheel disc 407, the distance between each through hole 410 and the circle center of the wheel disc 407 is different, and the transmission column 409 is movably clamped in the through hole 410; the tail end of the rotating shaft 404 extends out of the side wall of the box body 1 and is fixedly provided with a swing rod 5, and a bird driving frame 6 is arranged on the swing rod 5;
the specific form of the transmission assembly is not limited, in this embodiment, preferably, the transmission assembly includes a driving wheel 12, a driven wheel 13 and a transmission belt 14, the driving wheel 12 is fixedly installed on the driving shaft 2, the driven wheel 13 is fixedly installed at the lower end of the driven shaft 9, and the transmission belt 14 is rotatably connected between the driving wheel 12 and the driven wheel 13;
in order to increase the rotating speed of the driven shaft 9 and improve the water pumping efficiency, the diameter of the driving wheel 12 is larger than that of the driven wheel 13, and because the linear speeds of all the parts on the transmission belt 14 are consistent, after the transmission of the transmission belt 14, the angular speed of the driven wheel 13 is larger than that of the driving wheel 12, so that the rotating speed of the driven shaft 9 is larger than that of the driving shaft 2, and the larger the diameter difference between the driving wheel 12 and the driven wheel 13 is, the higher the rotating speed of the driven shaft 9 is;
specifically, the impeller 3 and the bottom of the water pumping pipe 8 below the driving shaft 2 are immersed in flowing water, the impeller 3 is driven to rotate by utilizing flowing water, so that the driving wheel 2 is driven to rotate, the driven shaft 9 is driven to rotate through the transmission assembly, and the screw blade 11 on the driven shaft 9 rotates, so that water in a river is pumped into the water pumping pipe 8; meanwhile, the driving shaft 2 drives the wheel disc 407 in the swing mechanism 4 to rotate, so as to circumferentially push the transmission post 409 in the eccentric through hole 410, drive the sliding sleeve 408 to slide left and right along the fixed post 406, simultaneously drive the fixed post 406 to swing back and forth in a reciprocating manner, drive the rotating shaft 404 to rotate in a reciprocating manner through the connecting rod 405, further drive the swing rod 5 at the tail end of the rotating shaft 404 to swing back and forth, and disperse birds through the bird driving frame 6 on the swing rod 5;
in order to improve the sealing performance of the water pumping pipe 8, a sealing ring is arranged at the joint of the shaft sleeve 10 and the water pumping pipe 8, so that water in the water pumping pipe 8 is prevented from flowing out of a gap at the shaft sleeve 10 in the water pumping process;
in order to avoid the impeller 3 from being rusted due to long-term immersion in water, the impeller 3 is made of 304 stainless steel, so that the impeller is good in corrosion resistance and high in mechanical strength, and the service life of the impeller 3 can be greatly prolonged.
The working principle of the embodiment is as follows:
firstly, an impeller 3 and the bottom of a water pumping pipe 8 below a driving shaft 2 are immersed in flowing water, the impeller 3 is driven to rotate by utilizing flowing water, so that the driving shaft 2 is driven to rotate, a driven shaft 9 is driven to rotate by a transmission assembly, and a screw blade 11 on the driven shaft 9 rotates, so that water in a river is pumped into the water pumping pipe 8; meanwhile, the driving shaft 2 drives the wheel disc 407 in the swing mechanism 4 to rotate, thereby circumferentially pushing the transmission post 409 in the eccentric through hole 410, driving the sliding sleeve 408 to slide left and right along the fixed post 406, simultaneously driving the fixed post 406 to swing back and forth, driving the rotating shaft 404 to rotate back and forth through the connecting rod 405, and further driving the swing rod 5 at the tail end of the rotating shaft 404 to swing back and forth, dispersing birds through the bird driving frame 6 on the swing rod 5, matching the transmission post 409 with different through holes 410 on the wheel disc 407, thereby adjusting the amplitude of the swing rod 5 to swing back and forth, and further changing the bird driving effect.
Example 2
A hydraulic pumping device with a bird repelling function comprises a box body 1, wherein a driving shaft 2 is rotatably installed at the bottom of the box body 1, an impeller 3 is installed at the lower tail end of the driving shaft 2, a pumping pipe 8 is fixedly connected to the side wall of the box body 1 through a fixing column 7, the pumping pipe 8 is formed by splicing an upper section, a middle section and a lower section, a driven shaft 9 vertically penetrating through the pumping pipe 8 is rotatably installed in the upper section of the pumping pipe 8 through a shaft sleeve 10, and screw blades 11 are arranged on the driven shaft 9; a transmission assembly is arranged between the driving shaft 2 and the driven shaft 9; the swing mechanism 4 is further arranged in the box body 1, the swing mechanism 4 comprises a fixed sleeve 401, a rotating shaft 404 and a wheel disc 407, the fixed sleeve 401 is fixedly installed at the bottom in the box body 1, the driving shaft 2 is rotatably sleeved in the fixed sleeve 401, the wheel disc 407 is fixedly installed at the top of the driving shaft 2, support frames 402 are symmetrically and fixedly installed on two sides of the fixed sleeve 401, bearing sleeves 403 are fixed at the top of the support frames 402, the rotating shaft 404 is rotatably sleeved between the bearing sleeves 403 on two sides, connecting rods 405 are uniformly arranged on two sides of the rotating shaft 404, a fixed column 406 is fixedly sleeved between the connecting rods 405 on two sides, a sliding sleeve 408 is movably sleeved on the fixed column 406, a transmission column 409 is fixed on the outer cylindrical surface of the sliding sleeve 408, a plurality of through holes 410 are eccentrically formed in the wheel disc 407, the distance; the tail end of the rotating shaft 404 extends out of the side wall of the box body 1 and is fixedly provided with a swing rod 5, and a bird driving frame 6 is arranged on the swing rod 5;
the conical cover 15 is arranged at the bottom of the lower section of the water pumping pipe 8, so that the water pumping sectional area of the water pumping pipe 8 is increased, and the water pumping efficiency is improved;
because impurities exist in running water, in order to avoid the damage of the screw blade 11 caused by the impurities entering the water pumping pipe 8, a filter screen 16 is arranged in the conical cover 15; the impurities in the water flow are blocked outside the water pumping pipe 8 through the filter screen 16, so that the water quality is ensured.
The hydraulic water pumping device with the bird repelling function drives the impeller 3 to rotate by utilizing the kinetic energy of flowing water, and then drives the screw blade 11 in the water pumping pipe 8 to rotate through the transmission assembly, so that hydraulic drive water pumping operation is realized, external power input is not needed, and the hydraulic water pumping device is energy-saving and environment-friendly; set up wabbler mechanism 4 simultaneously, convert the rotary motion of impeller 3 top driving shaft 2 into the reciprocating motion of pendulum rod 5 to drive and drive the swing back and forth of bird frame 6 and drive the bird, with the cooperation of different through-holes 410 on transmission post 409 and the rim plate 407, can adjust the reciprocal range that sways of pendulum rod 5, thereby change the bird effect of driving of bird frame 6, effectively dispel birds.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The hydraulic pumping device with the bird repelling function comprises a box body (1) and is characterized in that a driving shaft (2) is rotatably mounted at the bottom of the box body (1), an impeller (3) is mounted at the lower tail end of the driving shaft (2), a pumping pipe (8) is fixedly connected to the side wall of the box body (1) through a fixing column (7), the pumping pipe (8) is formed by splicing an upper section, a middle section and a lower section, a driven shaft (9) vertically penetrating through the pumping pipe (8) is rotatably mounted in the upper section of the pumping pipe (8) through a shaft sleeve (10), and screw blades (11) are arranged on the driven shaft (9); a transmission assembly is arranged between the driving shaft (2) and the driven shaft (9); the box body (1) is also internally provided with a swing mechanism (4), the swing mechanism (4) comprises a fixed sleeve (401), a rotating shaft (404) and a wheel disc (407), the fixed sleeve (401) is fixedly arranged at the bottom in the box body (1), the driving shaft (2) is rotatably sleeved in the fixed sleeve (401), the top of the driving shaft (2) is fixedly provided with the wheel disc (407), two sides of the fixed sleeve (401) are symmetrically and fixedly provided with a support frame (402), the top of the support frame (402) is fixedly provided with a bearing sleeve (403), the rotating sleeve between the bearing sleeves (403) at two sides is provided with the rotating shaft (404), both sides of the rotating shaft (404) are provided with connecting rods (405), a fixed column (406) is fixedly arranged between the connecting rods (405) at two sides, a sliding sleeve (408) is movably arranged on the fixed column (406, a plurality of through holes (410) are eccentrically formed in the wheel disc (407), the distance between each through hole (410) and the circle center of the wheel disc (407) is different, and the transmission column (409) is movably clamped in the through holes (410); the tail end of the rotating shaft (404) extends out of the side wall of the box body (1) and is fixedly provided with a swing rod (5), and a bird driving frame (6) is arranged on the swing rod (5).
2. The hydraulic water pumping device with the bird repelling function according to claim 1, wherein the transmission assembly comprises a driving wheel (12), a driven wheel (13) and a transmission belt (14), the driving wheel (12) is fixedly installed on the driving shaft (2), the driven wheel (13) is fixedly installed at the lower tail end of the driven shaft (9), and the transmission belt (14) is rotatably connected between the driving wheel (12) and the driven wheel (13).
3. The hydraulic water pumping device with the bird repelling function according to claim 2, wherein the diameter of the driving wheel (12) is larger than that of the driven wheel (13).
4. The hydraulic pumping device with the bird repelling function according to claim 1, wherein a sealing ring is arranged at the joint of the shaft sleeve (10) and the pumping pipe (8).
5. The hydraulic water pumping device with the bird repelling function according to claim 2, wherein the impeller (3) is made of 304 stainless steel.
6. A water power pumping device with a bird repelling function according to any one of claims 1 to 5, wherein a conical cover (15) is installed at the bottom of the lower section of the water pumping pipe (8).
7. The hydraulic water pumping device with the bird repelling function according to claim 6, wherein a filter screen (16) is arranged in the conical cover (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010159245.4A CN111425329A (en) | 2020-03-09 | 2020-03-09 | Hydraulic pumping device with bird repelling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010159245.4A CN111425329A (en) | 2020-03-09 | 2020-03-09 | Hydraulic pumping device with bird repelling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111425329A true CN111425329A (en) | 2020-07-17 |
Family
ID=71546288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010159245.4A Withdrawn CN111425329A (en) | 2020-03-09 | 2020-03-09 | Hydraulic pumping device with bird repelling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111425329A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963443A (en) * | 2020-08-20 | 2020-11-20 | 方高峰 | Novel press drawing liquid device |
| CN112369400A (en) * | 2020-10-30 | 2021-02-19 | 田娟 | Mouse trapping device capable of being lifted automatically and lifting method |
| CN112717594A (en) * | 2020-12-08 | 2021-04-30 | 李金原 | High-efficient dust collector is used in health products production |
| CN112774362A (en) * | 2021-01-07 | 2021-05-11 | 曾林香 | Energy-efficient environmental protection dust collecting equipment |
-
2020
- 2020-03-09 CN CN202010159245.4A patent/CN111425329A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963443A (en) * | 2020-08-20 | 2020-11-20 | 方高峰 | Novel press drawing liquid device |
| CN112369400A (en) * | 2020-10-30 | 2021-02-19 | 田娟 | Mouse trapping device capable of being lifted automatically and lifting method |
| CN112717594A (en) * | 2020-12-08 | 2021-04-30 | 李金原 | High-efficient dust collector is used in health products production |
| CN112774362A (en) * | 2021-01-07 | 2021-05-11 | 曾林香 | Energy-efficient environmental protection dust collecting equipment |
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Application publication date: 20200717 |
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| WW01 | Invention patent application withdrawn after publication |