CN115355168B - Multi-gear hydraulic pump - Google Patents
Multi-gear hydraulic pump Download PDFInfo
- Publication number
- CN115355168B CN115355168B CN202211298555.XA CN202211298555A CN115355168B CN 115355168 B CN115355168 B CN 115355168B CN 202211298555 A CN202211298555 A CN 202211298555A CN 115355168 B CN115355168 B CN 115355168B
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- frame
- welded
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- plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0096—Heating; Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/10—Stators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Rotary Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a multi-gear hydraulic pump which comprises a base, wherein a supporting rod is welded on the base, a frame is welded on the supporting rod, a fan is fixedly installed in the base, a filtering mechanism is arranged on the base, a pump body is arranged in the frame, a heat conducting mechanism is arranged in the frame, an installing plate is detachably installed on the frame, a supporting mechanism is arranged on the frame, a supporting shaft is arranged on the pump body, a supporting ring is fixedly installed in the installing plate, the supporting ring is rotatably connected with the supporting shaft, a connecting gear is welded on the supporting shaft, a pipe fitting is arranged on the pump body, and a sliding pipe is slidably connected in the pipe fitting. The invention relates to a multi-gear hydraulic pump which has the characteristics of good heat dissipation effect and high connection stability of the whole device.
Description
Technical Field
The invention belongs to the technical field of gear pumps, and particularly relates to a multi-gear hydraulic pump.
Background
Gear pumps are rotary pumps that deliver or pressurize fluid by virtue of the change in working volume and movement created between a pump cylinder and a meshing gear. The invention patent application with publication number CN113757106A discloses a multi-gear hydraulic pump, which comprises a main body, a protection piece, an auxiliary groove and a connecting piece; the main body is a multi-gear motor body, and the side edge of the main body is of a rectangular structure; the auxiliary grooves are arranged at the two ends of the protection part; the protection piece is used for installing in the main part outside for the protection piece can get up the all-round protection of main part, makes this device meet when assaulting, can pass through the protection piece atress, and then reduces the local impact force that receives of main part, and the main part appears when the oil leak after long-time the use, makes oil can with the inside contact of protection piece, if a large amount of oil leaks, oil can get into the inside of collecting tank, also can not outwards discharge in a large number. However, when the existing multi-gear hydraulic pump is used, the internal gear of the pump body operates for a long time, the body can generate high heat, the service life of the device is further influenced, meanwhile, the whole device and the driving mechanism are connected through the supporting shaft generally, the connection stability is poor, and the device is easy to shake during working. Therefore, improvements are needed.
Disclosure of Invention
The invention aims to solve the problems of poor heat dissipation effect and poor overall connection stability in the prior art, and provides a multi-gear hydraulic pump.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides a multi-gear hydraulic pump, includes the base, the welding has the bracing piece on the base, and the welding has the frame on the bracing piece, and fixed mounting has the fan in the base, is provided with filtering mechanism on the base, is provided with the pump body in the frame, is provided with heat conduction mechanism in the frame, and demountable installation has the mounting panel on the frame, is provided with supporting mechanism on the frame, is provided with the back shaft on the pump body, and fixed mounting has the support ring in the mounting panel, and support ring and back shaft rotate to be connected, and the welding has the connecting gear on the back shaft, is provided with the pipe fitting on the pump body, and sliding connection has the slide pipe in the pipe fitting.
Preferably, the sliding pipe is welded with a guide block, the guide block is in sliding connection with the pipe fitting, a guide rod is welded in the pipe fitting and is in sliding connection with the guide block, a spring is arranged on the outer side of the guide rod, one end of the spring is in contact with the pipe fitting, and the other end of the spring is in contact with the guide block. Through setting up above structure for the slide pipe can stretch out and draw back in the pipe fitting.
Preferably, the filter mechanism comprises a filter screen, a connecting shaft, fan blades, a sealing plate, a square rod, a supporting plate, an installation rod, scraper blades, a baffle, a rubber sleeve and a frame body, wherein the filter screen is fixedly connected with the base, the connecting shaft is installed in the filter screen through a bearing, the fan blades are welded on the connecting shaft, the square rod is welded on the connecting shaft, the supporting plate is slidably connected to the outer side of the square rod, the installation rod is welded on the supporting plate, the scraper blades are bonded on the installation rod, the scraper blades are in contact with the filter screen, the baffle is welded on the square rod, the rubber sleeve is slidably connected to the outer side of the square rod, the frame body is welded on the frame body, and the frame body is in contact with the base. Air entering the frame is filtered through the filter screen, dust is prevented from entering the frame, the fan blades are driven through air flow to drive the connecting shaft to rotate, the scraper blades scrape and rub the filter screen, and the filter screen is not prone to being blocked.
Preferably, a sealing plate is fixedly sleeved on the outer side of the connecting shaft and is in contact with the filter screen. Through setting up the closing plate, avoid the dust to pass the filter screen.
Preferably, one end of the rubber sleeve is bonded to the baffle plate, and the other end of the rubber sleeve is bonded to the support plate. Through setting up the rubber sleeve, the rubber sleeve has certain elasticity, and the rubber sleeve is compression state under the natural state, and when the scraper blade produced the wearing and tearing of certain degree, the supporting disk made scraper blade and filter screen keep in touch all the time at the elastic restoring force effect of rubber sleeve rebound down.
Preferably, the heat conducting mechanism comprises a sliding groove, a sliding block, a sliding rod, a pressure spring, a connecting rod, a heat conducting plate and a heat radiating plate, the sliding groove is formed in the frame, the sliding block is connected in the sliding groove in a sliding mode, the sliding rod is welded in the sliding groove and is connected with the sliding block in a sliding mode, the pressure spring is arranged on the outer side of the sliding rod, the connecting rod is welded on the sliding block, the heat conducting plate is bonded on the connecting rod, the heat conducting plate is in contact with the pump body, and the heat radiating plate is bonded on the heat conducting plate. Air inlet in the frame is acted on the slider through the pressure spring through the fan, and then makes heat-conducting plate and pump body contact to heat-conducting plate heat conduction through the heating panel, and then make the pump body heat dissipation faster.
Preferably, one end of the pressure spring is in contact with the frame, and the other end of the pressure spring is welded with the sliding block. Through setting up the pressure spring for the slider is convenient for reset.
Preferably, the supporting mechanism comprises a screw cylinder, a bidirectional screw rod, an adjusting cylinder and a supporting frame, the screw cylinder is welded on the framework, the bidirectional screw rod is connected in the screw cylinder through threads, the adjusting cylinder is connected on the outer side of the bidirectional screw rod through threads, and the supporting frame is welded on the adjusting cylinder. Firstly, an external driving mechanism is installed on the upper surface of a supporting frame, a driving gear of the external driving mechanism corresponds to a connecting gear, then a bidirectional screw rod is rotated, a screw cylinder and an adjusting cylinder are respectively in threaded connection with positive and negative threads at two ends of the bidirectional screw rod, the screw cylinder and the adjusting cylinder are close to each other, the distance between the supporting frame and a frame can be adjusted, the connecting gear is meshed with the driving gear of the external driving mechanism to be connected, and the connection stability between the integral device and the external driving mechanism is ensured.
The invention has the beneficial effects that: the invention relates to a multi-gear hydraulic pump, which has the characteristics of good heat dissipation effect of a device and high connection stability of the whole device, and has the following beneficial effects in specific use:
firstly, through setting up structures such as filter screen, connecting axle, flabellum, closing plate, square bar, supporting disk, installation pole, scraper blade, baffle, rubber sleeve, framework, filter the air that gets into in the frame through the filter screen, avoid the dust to get into, and drive the flabellum through the air current and drive the connecting axle and rotate, and then make the scraper blade cut the filter screen to the piece and rub, and then make the filter screen be difficult for blockking up.
Secondly, through setting up fan, spout, slider, slide bar, pressure spring, connecting rod, heat-conducting plate, heating panel isotructure, through the fan to the air inlet in the frame, act on the slider through the pressure spring, and then make heat-conducting plate and pump body contact to heat conduction through the heating panel to the heat-conducting plate, and then make the heat dissipation of the pump body faster.
Thirdly, through setting up screw section of thick bamboo, two-way lead screw, adjusting a section of thick bamboo, carriage isotructure, through rotating two-way lead screw for be close to each other between screw section of thick bamboo and the adjusting a section of thick bamboo, and then make carriage and frame interval can adjust, after connecting the drive gear meshing on gear and the external actuating mechanism and connecting, install the support to external actuating mechanism through the carriage, guaranteed the connection stability between integrated device and the external actuating mechanism.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a perspective view of the overall construction of the present invention;
FIG. 2 is a front cross-sectional view of FIG. 1 of the present invention;
FIG. 3 is a left side cross-sectional view of the tube of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 5 is an enlarged view of the invention at B in FIG. 2;
fig. 6 is an enlarged view of the invention at C in fig. 2.
In the figure: 1. a base; 2. a support bar; 3. a frame; 4. a fan; 5. a filtering mechanism; 6. a pump body; 7. a heat conducting mechanism; 8. mounting a plate; 9. a support mechanism; 10. a support shaft; 11. a support ring; 12. a connecting gear; 13. a pipe fitting; 14. a slide pipe; 15. a guide block; 16. a guide bar; 17. a spring; 51. filtering with a screen; 52. a connecting shaft; 53. a fan blade; 54. a sealing plate; 55. a square bar; 56. a support disc; 57. mounting a rod; 58. a squeegee; 59. a baffle plate; 510. a rubber sleeve; 511. a frame body; 71. a chute; 72. a slider; 73. a slide bar; 74. a pressure spring; 75. a connecting rod; 76. a heat conducting plate; 77. a heat dissipation plate; 91. a screw cylinder; 92. a bidirectional screw rod; 93. an adjusting cylinder; 94. and (4) supporting the frame.
Detailed Description
As shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment:
example (b):
the utility model provides a multi-gear hydraulic pump, the on-line screen storage device comprises a base 1, the welding has bracing piece 2 on the base 1, the welding has frame 3 on the bracing piece 2, fixed mounting has fan 4 in the base 1, be provided with filtering mechanism 5 on the base 1, be provided with the pump body 6 in the frame 3, be provided with heat conduction mechanism 7 in the frame 3, demountable installation has mounting panel 8 on the frame 3, be provided with supporting mechanism 9 on the frame 3, be provided with back shaft 10 on the pump body 6, fixed mounting has support ring 11 in the mounting panel 8, support ring 11 and back shaft 10 rotate the connection, the welding has connecting gear 12 on the back shaft 10, a drive gear who corresponds on the external actuating mechanism meshes the use, make external actuating mechanism can drive back shaft 10 and rotate, be provided with pipe fitting 13 on the pump body 6, sliding connection has slide pipe 14 in the pipe fitting 13.
The sliding pipe 14 is welded with a guide block 15, the guide block 15 is connected with the pipe 13 in a sliding mode, a guide rod 16 is welded in the pipe 13, the guide rod 16 is connected with the guide block 15 in a sliding mode, a spring 17 is arranged on the outer side of the guide rod 16, one end of the spring 17 is in contact with the pipe 13, and the other end of the spring 17 is in contact with the guide block 15. By providing the above structure, the slide pipe 14 can be retracted and extended inside the pipe 13.
The filtering mechanism 5 comprises a filter screen 51, a connecting shaft 52, fan blades 53, a sealing plate 54, a square rod 55, a supporting plate 56, an installation rod 57, a scraper 58, a baffle 59, a rubber sleeve 510 and a frame body 511, the filter screen 51 is fixedly connected with the base 1, the connecting shaft 52 is installed in the filter screen 51 through a bearing, the fan blades 53 are welded on the connecting shaft 52, the square rod 55 is welded on the connecting shaft 52, the supporting plate 56 is connected to the outer side of the square rod 55 in a sliding mode, the installation rod 57 is welded on the supporting plate 56, the scraper 58 is bonded on the installation rod 57, the scraper 58 is in contact with the filter screen 51, so that the scraper 58 can scrape and wipe off and clean impurities attached to the filter screen 51, the baffle 59 is welded on the square rod 55, the rubber sleeve 510 is connected to the outer side of the square rod 55 in a sliding mode, the frame body 511 is welded on the frame 3, and the frame body 511 is in contact with the base 1. Air entering the frame 3 is filtered through the filter screen 51, so that dust is prevented from entering the frame, and the fan blades 53 are driven by the air flow to drive the connecting shaft 52 to rotate, so that the scraper 58 scrapes the filter screen 51, and the filter screen 51 is not easy to block.
Wherein, the outer side of the connecting shaft 52 is fixedly sleeved with a sealing plate 54, and the sealing plate 54 is contacted with the filter screen 51. By providing a sealing plate 54, dust is prevented from passing through the screen 51.
One end of the rubber sleeve 510 is bonded to the baffle 59, and the other end of the rubber sleeve 510 is bonded to the support plate 56. By providing the rubber sleeve 510, the rubber sleeve 510 has a certain elasticity, and the rubber sleeve 510 is in a compressed state in a natural state, and when the scraper 58 is worn to a certain extent, the support plate 56 moves upward under the elastic restoring force of the rubber sleeve 510 so that the scraper 58 and the filter screen 51 are always kept in contact with each other.
The heat conducting mechanism 7 comprises a sliding groove 71, a sliding block 72, a sliding rod 73, a pressure spring 74, a connecting rod 75, a heat conducting plate 76 and a heat dissipation plate 77, the sliding groove 71 is formed in the frame 3, the sliding block 72 is connected in the sliding groove 71 in a sliding mode, the sliding rod 73 is welded in the sliding groove 71, the sliding rod 73 is connected with the sliding block 72 in a sliding mode, the pressure spring 74 is arranged on the outer side of the sliding rod 73, the connecting rod 75 is welded on the sliding block 72, the heat conducting plate 76 is bonded on the connecting rod 75, the heat conducting plate 76 is in contact with the pump body 6, and the heat dissipation plate 77 is bonded on the heat conducting plate 76. Air is fed into the frame 3 through the fan 4, the air acts on the sliding block 72 through the pressure spring 74, the heat conducting plate 76 is in contact with the pump body 6, heat is conducted on the heat conducting plate 76 through the heat dissipation plate 77, and heat dissipation of the pump body 6 is faster.
One end of the compression spring 74 is in contact with the frame 3, and the other end of the compression spring 74 is welded with the sliding block 72. The slide 72 is easily reset by the provision of a compression spring 74.
The supporting mechanism 9 comprises a screw cylinder 91, a bidirectional screw rod 92, an adjusting cylinder 93 and a supporting frame 94, the screw cylinder 91 is welded on the frame 3, the bidirectional screw rod 92 is connected in the screw cylinder 91 through threads, the adjusting cylinder 93 is connected on the outer side of the bidirectional screw rod 92 through threads, and the supporting frame 94 is welded on the adjusting cylinder 93. Firstly, an external driving mechanism is arranged on the upper surface of a supporting frame 94, a driving gear of the external driving mechanism corresponds to a connecting gear 12, then a bidirectional screw rod 92 is rotated, the screw cylinder 91 and the adjusting cylinder 93 are respectively in threaded connection with positive and negative threads at two ends of the bidirectional screw rod 92, the screw cylinder 91 and the adjusting cylinder 93 are close to each other, the distance between the supporting frame 94 and a frame 3 can be adjusted, the connecting gear 12 is in meshed connection with the driving gear of the external driving mechanism, and the connection stability between the integral device and the external driving mechanism is ensured.
The using state of the invention is as follows: when the device is used, firstly, the external driving mechanism is installed on the upper surface of the supporting frame 94, so that a driving gear of the external driving mechanism corresponds to the connecting gear 12, then the bidirectional screw rod 92 is rotated, the screw cylinder 91 and the adjusting cylinder 93 are respectively in threaded connection with the positive threads and the negative threads at the two ends of the bidirectional screw rod 92, so that the screw cylinder 91 and the adjusting cylinder 93 are close to each other, further the distance between the supporting frame 94 and the frame 3 can be adjusted, the connecting gear 12 is in meshed connection with the driving gear of the external driving mechanism, the connection stability between the integral device and the external driving mechanism is ensured, when the device works, the fan 4 is started, the fan 4 starts to intake air into the frame 3, the air enters the frame 3 through the pressure spring 74 and acts on the sliding block 72, further the heat conducting plate 76 is in contact with the pump body 6, the heat conducting plate 76 is conducted through the heat dissipating plate 77, further the heat of the pump body 6 is dissipated more quickly, in the process, the air flows pass through the filter screen 51, the filter screen 51 filters the air entering the frame 3, the dust is avoided entering, the air drives the fan blade 53 to rotate, the connecting shaft 52 drives the square rod 55 to rotate, the connecting shaft 55 to drive the supporting disc 56 to rotate, the scraper blade 57 to drive the scraper to further drive the scraper 58 to move, and further cause the scraper 51 to be difficult to block.
Claims (6)
1. The utility model provides a many gears hydraulic pump, includes base (1), its characterized in that: the fan-shaped water pump is characterized in that a support rod (2) is welded on a base (1), a frame (3) is welded on the support rod (2), a fan (4) is fixedly installed in the base (1), a filtering mechanism (5) is arranged on the base (1), a pump body (6) is arranged in the frame (3), a heat conducting mechanism (7) is arranged in the frame (3), an installation plate (8) is detachably installed on the frame (3), a supporting mechanism (9) is arranged on the frame (3), a support shaft (10) is arranged on the pump body (6), a support ring (11) is fixedly installed in the installation plate (8), the support ring (11) is rotatably connected with the support shaft (10), a connecting gear (12) is welded on the support shaft (10), a pipe fitting (13) is arranged on the pump body (6), and a sliding pipe (14) is slidably connected in the pipe fitting (13);
the filtering mechanism (5) comprises a filter screen (51), a connecting shaft (52), fan blades (53), a sealing plate (54), a square rod (55), a supporting plate (56), an installation rod (57), a scraper (58), a baffle (59), a rubber sleeve (510) and a frame body (511), the filter screen (51) is fixedly connected with the base (1), the connecting shaft (52) is installed in the filter screen (51) through a bearing, the fan blades (53) are welded on the connecting shaft (52), the square rod (55) is welded on the connecting shaft (52), the supporting plate (56) is connected to the outer side of the square rod (55) in a sliding mode, the installation rod (57) is welded on the supporting plate (56), the scraper (58) is bonded on the installation rod (57), the scraper (58) is in contact with the filter screen (51), the baffle (59) is welded on the square rod (55), the rubber sleeve (510) is connected to the outer side of the square rod (55) in a sliding mode, the frame body (511) is welded on the frame (3), and the frame body (511) is in contact with the base (1);
heat conduction mechanism (7) are including spout (71), slider (72), slide bar (73), pressure spring (74), connecting rod (75), heat-conducting plate (76), heating panel (77), spout (71) have been seted up on frame (3), sliding connection has slider (72) in spout (71), welded slide bar (73) in spout (71), slide bar (73) and slider (72) sliding connection, the outside of slide bar (73) is provided with pressure spring (74), the welding has connecting rod (75) on slider (72), it has heat-conducting plate (76) to bond on connecting rod (75), heat-conducting plate (76) and the contact of the pump body (6), it has heating panel (77) to bond on heat-conducting plate (76).
2. A multiple gear hydraulic pump as defined in claim 1, wherein: the sliding pipe is characterized in that a guide block (15) is welded on the sliding pipe (14), the guide block (15) is in sliding connection with the pipe fitting (13), a guide rod (16) is welded in the pipe fitting (13), the guide rod (16) is in sliding connection with the guide block (15), a spring (17) is arranged on the outer side of the guide rod (16), one end of the spring (17) is in contact with the pipe fitting (13), and the other end of the spring (17) is in contact with the guide block (15).
3. A multiple gear hydraulic pump as defined in claim 1, wherein: and a sealing plate (54) is fixedly sleeved on the outer side of the connecting shaft (52), and the sealing plate (54) is in contact with the filter screen (51).
4. A multiple gear hydraulic pump as defined in claim 1, wherein: one end of the rubber sleeve (510) is bonded with the baffle (59), and the other end of the rubber sleeve (510) is bonded with the support disc (56).
5. A multiple gear hydraulic pump as defined in claim 1, wherein: one end of the pressure spring (74) is in contact with the frame (3), and the other end of the pressure spring (74) is welded with the sliding block (72).
6. A multiple gear hydraulic pump as defined in claim 1, wherein: the supporting mechanism (9) comprises a screw cylinder (91), a bidirectional screw rod (92), an adjusting cylinder (93) and a supporting frame (94), the screw cylinder (91) is welded on the framework (3), the bidirectional screw rod (92) is connected in the screw cylinder (91) through threads, the adjusting cylinder (93) is connected to the outer side of the bidirectional screw rod (92) through threads, and the supporting frame (94) is welded on the adjusting cylinder (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211298555.XA CN115355168B (en) | 2022-10-24 | 2022-10-24 | Multi-gear hydraulic pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211298555.XA CN115355168B (en) | 2022-10-24 | 2022-10-24 | Multi-gear hydraulic pump |
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| CN115355168A CN115355168A (en) | 2022-11-18 |
| CN115355168B true CN115355168B (en) | 2023-01-17 |
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| CN202211298555.XA Active CN115355168B (en) | 2022-10-24 | 2022-10-24 | Multi-gear hydraulic pump |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909873A (en) * | 2016-04-25 | 2016-08-31 | 厦门市卡施拖菲眼镜有限公司 | Building drain pipe fixing device convenient to disassemble, assemble and maintain |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100311567B1 (en) * | 1999-07-22 | 2001-11-03 | 최봉락 | Impuritis removal device of air cleaner |
| CN105570128B (en) * | 2016-02-16 | 2018-09-11 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor pump structure and compressor |
| CN112324854A (en) * | 2020-10-26 | 2021-02-05 | 马鞍山迈若斯机器人科技有限公司 | Textile machinery supporting device |
| CN214770477U (en) * | 2021-02-05 | 2021-11-19 | 成都晋通精密机械有限公司 | Position-adjustable fixing device for hardware electronic component machining production |
| CN113757106B (en) * | 2021-09-16 | 2023-05-12 | 河北恒盛泵业股份有限公司 | Multi-gear hydraulic pump |
| CN114604116A (en) * | 2022-03-11 | 2022-06-10 | 深圳市易电创新科技有限公司 | Portable charging device main control board of electric automobile |
| CN114798538B (en) * | 2022-04-15 | 2023-07-25 | 烟台中宇航空液压有限公司 | Emergency protection device for electrohydraulic servo valve |
| CN217558651U (en) * | 2022-04-18 | 2022-10-11 | 深圳建准电机有限公司 | Cross-flow cross-flow fan with self-cleaning effect |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909873A (en) * | 2016-04-25 | 2016-08-31 | 厦门市卡施拖菲眼镜有限公司 | Building drain pipe fixing device convenient to disassemble, assemble and maintain |
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