CN113915120A - Glass fiber reinforced plastic profile hydraulic pump - Google Patents

Glass fiber reinforced plastic profile hydraulic pump Download PDF

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Publication number
CN113915120A
CN113915120A CN202111285543.9A CN202111285543A CN113915120A CN 113915120 A CN113915120 A CN 113915120A CN 202111285543 A CN202111285543 A CN 202111285543A CN 113915120 A CN113915120 A CN 113915120A
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CN
China
Prior art keywords
hydraulic pump
plates
connecting pipe
plate
glass fiber
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Application number
CN202111285543.9A
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Chinese (zh)
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CN113915120B (en
Inventor
张青军
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Hebei Shengbao Environmental Protection Equipment Co ltd
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Individual
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Publication of CN113915120A publication Critical patent/CN113915120A/en
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Publication of CN113915120B publication Critical patent/CN113915120B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/20Filtering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6476Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16Casings; Cylinders; Cylinder liners or heads; Fluid connections

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

The invention discloses a glass fiber reinforced plastic profile hydraulic pump, relates to the technical field of hydraulic pumps, and solves the problem that impurities in oil cannot be well filtered when the oil is input into the conventional hydraulic pump, so that the impurities are easy to be retained in the hydraulic pump. A hydraulic pump for glass fiber reinforced plastic profiles comprises a hydraulic pump body, a connecting pipe and a sweeping plate, wherein a top disc is arranged at the top end of each of two supporting rods and is of an annular structure; the two supporting rods are provided with a chassis on the rod section; the top end of the inside of the connecting pipe is provided with a mounting plate, and the circumferential outer wall of the connecting pipe is symmetrically provided with two side plates; the top of each of the two side plates is provided with a transverse groove, and a connecting plate is arranged in each of the two transverse grooves through a spring. The filter plate is arranged, when oil passes through the filter plate, impurities in the oil are filtered by the filter plate, and the impurities in the oil are prevented from entering the hydraulic pump body and blocking the hydraulic pump body, so that the hydraulic pump body cannot work normally.

Description

Glass fiber reinforced plastic profile hydraulic pump
Technical Field
The invention relates to the technical field of hydraulic pumps, in particular to a glass fiber reinforced plastic profile hydraulic pump.
Background
The hydraulic pump is a power element of a hydraulic system, and is an element which is driven by an engine or an electric motor, sucks oil from a hydraulic oil tank, forms pressure oil, discharges the pressure oil and sends the pressure oil to an execution element. The hydraulic pump is structurally divided into a gear pump, a plunger pump, a vane pump and a screw pump which are hydraulic elements for providing pressurized liquid for hydraulic transmission, and is one of pumps. Its function is to convert the mechanical energy of power machine such as motor and internal combustion engine into the pressure energy of liquid. The service life of the hydraulic pump is influenced by a plurality of factors, and besides the design and manufacturing factors of the pump, the factors are also related to selection of some elements related to the use of the pump, such as a coupler, an oil filter and the like, operation in the process of trial run and the like. The principle of operation of a hydraulic pump is that movement causes a change in the volume of the pumping chamber, thereby compressing fluid to impart pressure energy to the fluid. The condition that must be met is that the pump chamber has a change in the sealing volume.
For example, patent No. CN110131121A discloses a hydraulic pump capable of performing stable operation while suppressing an increase in size. The hydraulic pump (10) is provided with: a cylinder (30) that rotates around a rotation axis (A) and has a plurality of cylinder holes (32) formed therein; a piston (38) slidably held in each cylinder hole (32); a swash plate (40) that slides each piston (38) within each cylinder bore (32) by rotating the cylinder block (30) about the rotation axis (A), the swash plate (40) being configured such that the tilt angle thereof can be changed; a 1 st biasing member (50) that biases the swash plate (40) in a direction in which the deflection angle of the swash plate increases; and a 2 nd biasing member (60) that biases the swash plate (40) in a direction in which the deflection angle of the swash plate is smaller, wherein the 2 nd biasing member (60) has a biasing rod (61) that biases the swash plate (40), and at least one of the flow rate control signal pressure and the horsepower switching signal pressure acts on an end surface (61b) of the biasing rod (61) on the side opposite to the swash plate (40). .
When inputing fluid in current hydraulic pump, unable better with the impurity filtration in the fluid, lead to impurity to be detained in the hydraulic pump easily, long-term so impurity blocks up the hydraulic pump easily, leads to the hydraulic pump inner structure to be influenced even, causes the unable normal use of hydraulic pump to current hydraulic pump when discharge fluid, because fluid has certain pressure when discharging, so there may be the phenomenon that fluid oozes in the place of oil extraction pipe and pipe connection.
Disclosure of Invention
The invention aims to provide a glass fiber reinforced plastic section hydraulic pump, which aims to solve the problems that when oil is input into the existing hydraulic pump in the background art, impurities in the oil cannot be well filtered, the impurities are easy to stay in the hydraulic pump, and the impurities easily block the hydraulic pump for a long time, and even the internal structure of the hydraulic pump is affected.
In order to achieve the purpose, the invention provides the following technical scheme: a glass fiber reinforced plastic section hydraulic pump comprises a hydraulic pump body, wherein the hydraulic pump body comprises a low-pressure oil suction port, a high-pressure oil outlet and support rods, the top of the hydraulic pump body is provided with the low-pressure oil suction port and the two support rods, a high-pressure oil outlet is arranged between the two support rods, and the high-pressure oil outlet is also arranged at the top of the hydraulic pump body; the upper end and the lower end of the front side of the hydraulic pump body are both provided with an adjusting groove, and the two adjusting grooves are of rectangular structures; the top of the low-pressure oil suction port is provided with a connecting pipe which is of a cylindrical structure; the top ends of the two support rods are provided with a top disc which is of an annular structure; the two supporting rods are provided with a chassis on the rod section; the top end of the inside of the connecting pipe is provided with a mounting plate, and the circumferential outer wall of the connecting pipe is symmetrically provided with two side plates; the top of each of the two side plates is provided with a transverse groove, and a connecting plate is arranged in each of the two transverse grooves through a spring.
Preferably, the adjusting grooves comprise moving blocks and thread grooves, two moving blocks are slidably mounted in the two adjusting grooves, and one thread groove is formed in each of the front sides of the four moving blocks; and the outer sides of the moving blocks are provided with jacks.
Preferably, the connecting pipe comprises a filter plate and side grooves, the inner bottom end of the connecting pipe is provided with one filter plate, and the outer wall of the circumference of the bottom of the connecting pipe is symmetrically provided with two side grooves; the two side grooves are of arc structures.
Preferably, the top disc comprises a push disc and a tenon ring, the bottom of the top disc is provided with the push disc through a spring, and the bottom of the push disc is provided with the tenon ring; the tenon ring is of an annular structure.
Preferably, the base plate comprises a mortise and a sealing gasket, the top of the base plate is provided with one mortise, and the mortise is of an annular structure; and a sealing gasket is arranged in the mortise.
Preferably, the side plates comprise outer plates and magnetic suction columns, the outer sides of the tops of the two side plates are respectively provided with one outer plate, and the inner sides of the two outer plates are respectively provided with one magnetic suction column.
Preferably, the connecting plates comprise magnetic attraction grooves and blocking blocks, one magnetic attraction groove is formed in each of the outer sides of the two connecting plates, and one blocking block is arranged on each of the inner sides of the bottoms of the two connecting plates; the two blocks are arc structures.
Preferably, the mounting plate comprises a vertical roller and a cleaning plate, a sealing housing is arranged in the middle of the top of the mounting plate, a motor is arranged in the sealing housing, and the bottom end of the motor is provided with the vertical roller; six cleaning plates are arranged at the bottom end of the vertical roller in a surrounding manner; the six cleaning plates are of arc structures.
Compared with the prior art, the invention has the beneficial effects that:
1. the filter plate is arranged, when oil passes through the filter plate, impurities in the oil are filtered by the filter plate, and the impurities in the oil are prevented from entering the hydraulic pump body and blocking the hydraulic pump body, so that the hydraulic pump body cannot work normally.
2. The cleaning plate is arranged, the vertical roller and the six cleaning plates are driven to rotate by the motor, so that the top of the filter plate is scraped, the scraped impurities are pushed to the two side grooves by the six cleaning plates, the impurities are cleaned out of the connecting pipe, the filter plate is prevented from being blocked by the impurities, the two magnetic suction columns are separated from the two magnetic suction grooves after cleaning is completed, the connecting plate drives the two blocking blocks to block the two side grooves under the action of the spring, and oil is prevented from leaking out of the two side grooves when the hydraulic pump body works.
3. The push disc drives the tenon ring to descend under the action of the spring, so that the bottom of the push disc is attached to the top of the chassis, the sealing effect is achieved, meanwhile, the tenon ring extrudes the sealing gasket, the sealing gasket is filled to block a gap between the tenon groove and the tenon ring, and the phenomenon that oil seeps out at the connecting position of the high-pressure oil outlet and the pipeline is better prevented.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a half-section of a hydraulic pump body according to the present invention;
FIG. 3 is a schematic view of a half-section structure of the connecting pipe of the present invention;
FIG. 4 is a schematic view of a top disk and tenon ring structure of the present invention;
FIG. 5 is a schematic view of a half-section of the base pan of the present invention;
FIG. 6 is a schematic view of the structure of the side plate and the connecting plate of the present invention;
FIG. 7 is a schematic view of a half-section of the mounting plate of the present invention;
in the figure: 1. a hydraulic pump body; 101. a low pressure suction port; 102. a high pressure oil outlet; 103. a support bar; 2. an adjustment groove; 201. a moving block; 202. a thread groove; 3. a connecting pipe; 301. filtering the plate; 302. a side groove; 4. a top tray; 401. pushing the disc; 402. a tenon ring; 5. a chassis; 501. mortises; 502. a gasket; 6. a side plate; 601. an outer plate; 602. a magnetic attraction column; 7. a connecting plate; 701. a magnetic attraction groove; 702. blocking; 8. mounting a plate; 801. a vertical roller; 802. and (4) cleaning the board.
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.
Referring to fig. 1 to 7, an embodiment of the present invention includes: a glass fiber reinforced plastic section hydraulic pump comprises a hydraulic pump body 1, wherein the hydraulic pump body 1 comprises a low-pressure oil suction port 101, a high-pressure oil outlet 102 and support rods 103, the top of the hydraulic pump body 1 is provided with the low-pressure oil suction port 101 and the two support rods 103, a high-pressure oil outlet 102 is arranged between the two support rods 103, and the high-pressure oil outlet 102 is also arranged at the top of the hydraulic pump body 1; the upper end and the lower end of the front side of the hydraulic pump body 1 are both provided with one adjusting groove 2, and the two adjusting grooves 2 are of rectangular structures; the top of the low-pressure oil suction port 101 is provided with a connecting pipe 3, and the connecting pipe 3 is of a cylindrical structure; the top ends of the two support rods 103 are provided with a top disc 4, and the top disc 4 is of a circular structure; the top disc 4 comprises a push disc 401 and a tenon ring 402, the bottom of the top disc 4 is provided with the push disc 401 through a spring, and the bottom of the push disc 401 is provided with the tenon ring 402; the tenon ring 402 is of an annular structure, the push disc 401 drives the tenon ring 402 to descend under the action of the spring, so that the bottom of the push disc 401 is attached to the top of the chassis 5, the sealing effect is achieved, and meanwhile, the tenon ring 402 can enter the mortise 501, so that oil is prevented from seeping out better; the two support rods 103 are provided with a chassis 5 on the rod section; the top end of the inside of the connecting pipe 3 is provided with a mounting plate 8, and the circumferential outer wall of the connecting pipe 3 is symmetrically provided with two side plates 6; a transverse groove is formed in the top of each of the two side plates 6, and a connecting plate 7 is mounted in each of the two transverse grooves through a spring.
Further, the adjusting grooves 2 comprise moving blocks 201 and thread grooves 202, two moving blocks 201 are slidably mounted in the two adjusting grooves 2, and one thread groove 202 is formed in each of the front sides of the four moving blocks 201; the outer sides of the four moving blocks 201 are respectively provided with one jack, the distance between every two moving blocks 201 is adjusted by sliding the two moving blocks 201 along the two adjusting grooves 2, so that the movable type electric power tool can be installed on the devices with different sizes, after the moving is finished, corresponding inserted rods are selected to be inserted into the jacks on the four moving blocks 201, so that the four moving blocks 201 are stably kept at the adjusted positions, and then the movable type electric power tool is stably fixed on the devices through the matching of the four thread grooves 202 and the bolts.
Further, the connecting pipe 3 comprises a filter plate 301 and side grooves 302, the inner bottom end of the connecting pipe 3 is provided with one filter plate 301, and the outer wall of the circumference of the bottom of the connecting pipe 3 is symmetrically provided with two side grooves 302; the two side grooves 302 are of arc structures, when oil passes through the filter plate 301, the filter plate 301 filters impurities in the oil, the impurities in the oil are prevented from entering the hydraulic pump body 1 to block the hydraulic pump body 1, the hydraulic pump body cannot normally work, and the two side grooves 302 are arranged to clean the impurities on the filter plate 301 through matching with the sweeping plate 802.
Further, the chassis 5 comprises a mortise 501 and a sealing gasket 502, the top of the chassis 5 is provided with the mortise 501, and the mortise 501 is of an annular structure; the sealing gasket 502 is arranged in the mortise 501, and the tenon ring 402 presses the sealing gasket 502 to fill and block a gap between the mortise 501 and the tenon ring 402 by the sealing gasket 502, so that the phenomenon of oil seepage at the connection position of the high-pressure oil outlet 102 and the pipeline is prevented.
Further, the side plate 6 includes an outer plate 601 and magnetic columns 602, the outer sides of the tops of two side plates 6 are provided with an outer plate 601, and the inner sides of two outer plates 601 are provided with a magnetic column 602, two connecting plates 7 are slid outwards to separate two blocks 702 from two side grooves 302, and then the two magnetic columns 602 are inserted into the two magnetic grooves 701, so that the two connecting plates 7 are stably kept at the positions after sliding, and the two blocks 702 no longer seal the side grooves 302, so that the impurities on the filter plate 301 can be cleaned out from the connecting pipe 3.
Further, the connecting plates 7 comprise magnetic attraction grooves 701 and blocking blocks 702, the outer sides of the two connecting plates 7 are respectively provided with one magnetic attraction groove 701, and the inner sides of the bottoms of the two connecting plates 7 are respectively provided with one blocking block 702; the two blocks 702 are arc-shaped structures, and the two side grooves 302 can be blocked by the two blocks 702, so that the oil is prevented from leaking out of the two side grooves 302.
Further, the mounting plate 8 comprises a vertical roller 801 and a cleaning plate 802, a sealing housing is arranged in the middle of the top of the mounting plate 8, a motor is arranged in the sealing housing, and the bottom end of the motor is provided with the vertical roller 801; six cleaning plates 802 are arranged at the bottom ends of the vertical rollers 801 in a surrounding manner; the six cleaning plates 802 are arc-shaped, the vertical rollers 801 and the six cleaning plates 802 are driven to rotate by the motor, so that the tops of the filter plates 301 are scraped, and the scraped impurities are shifted to the two side grooves 302 by the six cleaning plates 802, so that the impurities are cleaned out of the connecting pipe 3, and the filter plates 301 are prevented from being blocked by the impurities.
The working principle is as follows: when the impurities on the filter plate 301 need to be cleaned out from the connecting pipe 3, firstly, the two connecting plates 7 are slid outwards to drive the two blocks 702 to be separated from the two side grooves 302, and then the two magnetic columns 602 are inserted into the two magnetic grooves 701, so that the two connecting plates 7 are stably kept at the slid positions, the two blocks 702 do not seal the side grooves 302 any more, then the vertical roller 801 and the six sweeping plates 802 are driven to rotate by a motor, so that the top of the filter plate 301 is scraped, the scraped impurities are pulled to the two side grooves 302 by the six sweeping plates 802, thereby cleaning the impurities out of the connecting pipe 3 and preventing the impurities from blocking the filter plate 301, after the cleaning is finished, the two magnetic attraction columns 602 are separated from the two magnetic attraction grooves 701, and at this time, the connecting plate 7 drives the two blocking blocks 702 to block the two side grooves 302 under the action of the spring, so that the hydraulic pump body 1 continues to work.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a glass steel section bar hydraulic pump which characterized in that: the hydraulic pump comprises a hydraulic pump body (1), wherein the hydraulic pump body (1) comprises a low-pressure oil suction port (101), a high-pressure oil outlet (102) and supporting rods (103), the top of the hydraulic pump body (1) is provided with the low-pressure oil suction port (101) and the two supporting rods (103), the high-pressure oil outlet (102) is arranged between the two supporting rods (103), and the high-pressure oil outlet (102) is also arranged at the top of the hydraulic pump body (1); the upper end and the lower end of the front side of the hydraulic pump body (1) are both provided with one adjusting groove (2), and the two adjusting grooves (2) are of rectangular structures; the top of the low-pressure oil suction port (101) is provided with a connecting pipe (3), and the connecting pipe (3) is of a cylindrical structure; the top ends of the two support rods (103) are provided with a top disc (4), and the top disc (4) is of a circular structure; the two pole sections of the support pole (103) are provided with a chassis (5); the top end of the inside of the connecting pipe (3) is provided with a mounting plate (8), and the outer wall of the circumference of the connecting pipe (3) is symmetrically provided with two side plates (6); the top parts of the two side plates (6) are respectively provided with a transverse groove, and a connecting plate (7) is arranged in each transverse groove through a spring.
2. The glass fiber reinforced plastic profile hydraulic pump according to claim 1, wherein: the adjusting grooves (2) comprise moving blocks (201) and thread grooves (202), two moving blocks (201) are slidably mounted in the two adjusting grooves (2), and one thread groove (202) is formed in the front side of each of the four moving blocks (201); the outer sides of the moving blocks (201) are provided with jacks.
3. The glass fiber reinforced plastic profile hydraulic pump according to claim 1, wherein: the connecting pipe (3) comprises a filter plate (301) and side grooves (302), the filter plate (301) is arranged at the bottom end inside the connecting pipe (3), and the two side grooves (302) are symmetrically formed in the outer wall of the circumference of the bottom of the connecting pipe (3); the two side grooves (302) are arc-shaped structures.
4. The glass fiber reinforced plastic profile hydraulic pump according to claim 1, wherein: the top disc (4) comprises a push disc (401) and a tenon ring (402), the bottom of the top disc (4) is provided with the push disc (401) through a spring, and the bottom of the push disc (401) is provided with the tenon ring (402); the tenon ring (402) is of an annular structure.
5. The glass fiber reinforced plastic profile hydraulic pump according to claim 1, wherein: the base plate (5) comprises a mortise (501) and a sealing gasket (502), the top of the base plate (5) is provided with one mortise (501), and the mortise (501) is of an annular structure; a sealing gasket (502) is arranged in the mortise (501).
6. The glass fiber reinforced plastic profile hydraulic pump according to claim 1, wherein: the side plates (6) comprise outer plates (601) and magnetic columns (602), the outer sides of the tops of the two side plates (6) are respectively provided with one outer plate (601), and the inner sides of the two outer plates (601) are respectively provided with one magnetic column (602).
7. The glass fiber reinforced plastic profile hydraulic pump according to claim 1, wherein: the connecting plates (7) comprise magnetic absorption grooves (701) and blocking blocks (702), the outer sides of the two connecting plates (7) are respectively provided with one magnetic absorption groove (701), and the inner sides of the bottoms of the two connecting plates (7) are respectively provided with one blocking block (702); the two blocks (702) are arc-shaped structures.
8. The glass fiber reinforced plastic profile hydraulic pump according to claim 1, wherein: the mounting plate (8) comprises a vertical roller (801) and a cleaning plate (802), a sealing housing is arranged in the middle of the top of the mounting plate (8), a motor is arranged in the sealing housing, and the bottom end of the motor is provided with the vertical roller (801); six cleaning plates (802) are arranged at the bottom end of the vertical roller (801) in a surrounding manner; the six cleaning plates (802) are in arc-shaped structures.
CN202111285543.9A 2021-11-02 2021-11-02 Hydraulic pump for glass fiber reinforced plastic section bar Active CN113915120B (en)

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Application Number Priority Date Filing Date Title
CN202111285543.9A CN113915120B (en) 2021-11-02 2021-11-02 Hydraulic pump for glass fiber reinforced plastic section bar

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Application Number Priority Date Filing Date Title
CN202111285543.9A CN113915120B (en) 2021-11-02 2021-11-02 Hydraulic pump for glass fiber reinforced plastic section bar

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CN113915120B CN113915120B (en) 2023-09-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114790718A (en) * 2022-06-01 2022-07-26 中交第二航务工程局有限公司 Water pumping device for blocking, sand-consolidating and reinforcing sea wall by stone-buried concrete and construction process

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CN208577541U (en) * 2018-04-23 2019-03-05 浙江奥力环保设备有限公司 A kind of Industrial Wastewater Treatment environmental protection equipment
CN209526130U (en) * 2018-12-27 2019-10-22 天津精鸿标识印刷股份有限公司 A kind of protective cradle for mechanical equipment storage battery
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CN210889382U (en) * 2019-08-07 2020-06-30 浙江荣文风机有限公司 Centrifugal fan convenient to assembly
CN210978920U (en) * 2019-09-25 2020-07-10 翟顺凤 PVC pipe joint seal structure
CN212297062U (en) * 2020-05-14 2021-01-05 苏州金达成激光科技有限公司 Sheet metal forming oil tank
CN112377480A (en) * 2020-12-15 2021-02-19 宁波瑞隆机械科技有限公司 Novel hydraulic power unit structure
CN112392728A (en) * 2020-11-16 2021-02-23 台州辉腾泵业有限公司 Circulating water pump
CN213643280U (en) * 2020-10-13 2021-07-09 周呈亮 Energy-conserving roofing of green building

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Publication number Priority date Publication date Assignee Title
CN205618455U (en) * 2016-05-09 2016-10-05 山东科技大学 High -efficient integrated oil tank that subsides, cools off and filter absorption function
CN208577541U (en) * 2018-04-23 2019-03-05 浙江奥力环保设备有限公司 A kind of Industrial Wastewater Treatment environmental protection equipment
CN209526130U (en) * 2018-12-27 2019-10-22 天津精鸿标识印刷股份有限公司 A kind of protective cradle for mechanical equipment storage battery
CN210122978U (en) * 2019-03-14 2020-03-03 中山市山本数控机床有限公司 Structure for preventing oil circuit from being blocked
CN210889382U (en) * 2019-08-07 2020-06-30 浙江荣文风机有限公司 Centrifugal fan convenient to assembly
CN210978920U (en) * 2019-09-25 2020-07-10 翟顺凤 PVC pipe joint seal structure
CN212297062U (en) * 2020-05-14 2021-01-05 苏州金达成激光科技有限公司 Sheet metal forming oil tank
CN213643280U (en) * 2020-10-13 2021-07-09 周呈亮 Energy-conserving roofing of green building
CN112392728A (en) * 2020-11-16 2021-02-23 台州辉腾泵业有限公司 Circulating water pump
CN112377480A (en) * 2020-12-15 2021-02-19 宁波瑞隆机械科技有限公司 Novel hydraulic power unit structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114790718A (en) * 2022-06-01 2022-07-26 中交第二航务工程局有限公司 Water pumping device for blocking, sand-consolidating and reinforcing sea wall by stone-buried concrete and construction process

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