CN214797086U - Transformer vacuum pumping oil injection equipment - Google Patents

Transformer vacuum pumping oil injection equipment Download PDF

Info

Publication number
CN214797086U
CN214797086U CN202120944897.9U CN202120944897U CN214797086U CN 214797086 U CN214797086 U CN 214797086U CN 202120944897 U CN202120944897 U CN 202120944897U CN 214797086 U CN214797086 U CN 214797086U
Authority
CN
China
Prior art keywords
oil
fixed
storage tank
sliding
oil storage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120944897.9U
Other languages
Chinese (zh)
Inventor
吴宝良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beian Transformer Tianjin Co ltd
Original Assignee
Beian Transformer Tianjin Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beian Transformer Tianjin Co ltd filed Critical Beian Transformer Tianjin Co ltd
Priority to CN202120944897.9U priority Critical patent/CN214797086U/en
Application granted granted Critical
Publication of CN214797086U publication Critical patent/CN214797086U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The utility model belongs to the technical field of vacuum oiling equipment, especially, transformer evacuation oiling equipment to current vacuum oiling equipment, the oil body deposits easily for a long time to density is inhomogeneous about resulting in, and simultaneously, vacuum oiling equipment is when removing, and the phenomenon of droing takes place easily for the grease gun, thereby leads to the problem of damage. The following scheme is proposed, which includes a movable bottom plate, an oil storage tank is fixed at the top end of the movable bottom plate, and an oil feeding pipeline and a vacuum pump are fixed at the top end of the oil storage tank. The utility model discloses among the reciprocal over-and-under type rabbling mechanism, utilize starter motor, and cooperate under the part setting of a plurality of correspondences, can drive four puddlers simultaneously when making the reciprocal lift of scraper blade and rotate, then can carry out the stirring to the oil body in the batch oil tank in, still can scrape the oil body that bonds on the batch oil tank inner wall, avoid insulating oil to take place to deposit after depositing for a long time, the density is inhomogeneous about leading to insulating oil.

Description

Transformer vacuum pumping oil injection equipment
Technical Field
The utility model relates to a vacuum oiling equipment technical field especially relates to a transformer evacuation oiling equipment.
Background
The transformer is a device for transforming voltage, current and impedance by utilizing an electromagnetic mutual inductance effect, and insulating oil needs to be filled regularly when the transformer is used daily.
Current vacuum oiling equipment does not carry out the oiling during operation for a long time, and the oil body can slowly precipitate, and the upper and lower density that leads to insulating oil is inhomogeneous, can't guarantee the quality of oiling, and simultaneously, vacuum oiling equipment when removing, and the phenomenon that drops takes place easily for the grease gun to lead to damaging, we have designed a transformer evacuation oiling equipment for this reason.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of transformer evacuation oiling equipment has solved current vacuum oiling equipment, and the oil body deposits easily for a long time to density is inhomogeneous about resulting in, and simultaneously, vacuum oiling equipment is when removing, and the phenomenon of droing takes place easily for the grease gun, thereby leads to the problem of damage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a transformer vacuum pumping and oil injecting device comprises a movable bottom plate, an oil storage tank is fixed at the top end of the movable bottom plate, an oil feeding pipeline and a vacuum pump are fixed at the top end of the oil storage tank, one end of the oil feeding pipeline extends into the oil storage tank, a valve is installed on the oil feeding pipeline, an oil well pump fixedly connected to the top end of the movable bottom plate is further arranged on one side of the oil storage tank, an oil pumping pipe is connected to an oil inlet of the oil well pump, one end of the oil pumping pipe extends into the oil storage tank, the oil-filling machine is characterized in that a solenoid valve is installed, an oil outlet of the oil-well pump is connected with a telescopic rubber hose, one end of the telescopic rubber hose is connected with an oil filling gun, an L-shaped supporting plate is fixed on the left side wall of the oil storage tank, a jack matched with the oil filling gun is formed in the L-shaped supporting plate, a filter screen is fixed in the oil storage tank, a reciprocating lifting type stirring mechanism is connected between the filter screen and the oil storage tank, and a fixing mechanism is connected between the oil filling gun and the L-shaped supporting plate.
Preferably, reciprocal over-and-under type rabbling mechanism is including rotating the reciprocal lead screw of connection on the batch oil tank, and the outside screw drive of reciprocal lead screw is connected with the lifter plate, and the outer wall of lifter plate all is fixed with the connecting rod all around, and the one end of four connecting rods is fixed with the same transversal scraper blade of personally submitting the square-shaped form, and fixed the inlaying is equipped with two symmetrical sliding sleeves on the scraper blade, is fixed with two symmetrical slide bars between the bottom of the interior diapire of batch oil tank and filter screen, and the equal slip cover of sliding sleeve is established in the corresponding slide bar outside.
Preferably, all rotate on the four sides inner wall of scraper blade and be connected with the puddler, a plurality of stirring rakes are installed to impartial distance on the both sides wall of puddler, and the equal rigid coupling in the outside of puddler has the gear, and one side of gear all meshes and is connected with the rack, and the rack is all fixed between diapire and filter screen bottom in the batch oil tank.
Preferably, the oil storage tank is provided with a cavity, a motor is fixed on the inner bottom wall of the cavity, one end of a reciprocating screw rod extends into the cavity and is connected with an output shaft of the motor, and the top end of the reciprocating screw rod is rotatably connected to the bottom end of the filter screen.
Preferably, the fixing mechanism comprises a fixing clamping block fixed on one side wall of the L-shaped supporting plate, a movable plate connected to the side wall of the L-shaped supporting plate in a sliding mode is arranged on one side of the fixing clamping block, a movable clamping block is fixed on the movable plate, two symmetrical first sliding blocks are fixed on the movable plate towards one side wall of the L-shaped supporting plate, and first sliding grooves matched with the first sliding blocks are formed in one side wall of the L-shaped supporting plate.
Preferably, the side wall of the L-shaped supporting plate is further connected with two symmetrical pinching columns in a sliding mode, a second sliding block is fixed at one end of each pinching column, a second sliding groove matched with the two sliding blocks is formed in the side wall of the L-shaped supporting plate, sliding columns are fixed in the second sliding grooves, and the second sliding blocks are movably sleeved on the outer sides of the sliding columns.
Preferably, a spring is connected between the two sliding blocks, the spring is movably sleeved on the outer side of the sliding column, guide channels matched with the pinching columns are formed in the movable plate, and the pinching columns are movably connected in the corresponding guide channels.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses among the reciprocal over-and-under type rabbling mechanism, utilize starter motor, and cooperate under the part setting of a plurality of correspondences, can drive four puddlers simultaneously when making the reciprocal lift of scraper blade and rotate, then can be to the oil body in the batch oil tank when stirring, still can scrape the oil body that bonds on the batch oil tank inner wall, avoid insulating oil to take place to deposit after depositing for a long time, density is inhomogeneous about leading to insulating oil, thereby guarantee the quality of oiling, more accord with actual user demand.
2. The utility model discloses among the fixed establishment, under the cooperation of fixed clamp splice, fly leaf, activity clamp splice, slider one, hold between the fingers post, slider two, traveller, spring and direction passageway, the convenience is fixed the grease gun, guarantees then that this device is when removing, and the stability of its grease gun is good, is difficult for taking place to drop and causes the phenomenon of damage.
Drawings
Fig. 1 is a schematic structural view of a transformer vacuum pumping and oil injection device provided by the present invention;
fig. 2 is a schematic structural view of a cut-away portion of the transformer vacuum pumping and oil injecting device provided by the present invention;
fig. 3 is a schematic structural view of the reciprocating lifting type stirring mechanism of the transformer vacuum pumping and oil injection device according to the present invention partially unfolded;
fig. 4 is an enlarged schematic structural diagram of a position a of the transformer vacuum pumping and oil injecting device provided by the present invention;
fig. 5 is an enlarged schematic structural diagram of a transformer vacuum pumping and oil injecting device at a position B;
fig. 6 is an enlarged schematic structural diagram of a transformer vacuum pumping and oil injecting device at a position C;
fig. 7 is the utility model provides a transformer evacuation oiling equipment's enlarged structure sketch of D department.
In the figure: 1. moving the base plate; 2. an oil storage tank; 21. an oil feeding pipeline; 3. a vacuum pump; 4. an oil well pump; 41. a flexible rubber hose; 42. an oil gun; 5. an L-shaped support plate; 6. filtering with a screen; 7. a reciprocating lifting type stirring mechanism; 701. a lifting plate; 702. a connecting rod; 703. a squeegee; 704. a sliding sleeve; 705. a slide bar; 706. a stirring rod; 707. a stirring paddle; 708. a gear; 709. a rack; 710. a motor; 711. a reciprocating screw rod; 8. a fixing mechanism; 801. fixing the clamping block; 802. a movable plate; 803. a movable clamping block; 804. a first sliding block; 805. pinching the column; 806. a second sliding block; 807. a traveler; 808. a spring; 809. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-7, a transformer vacuum pumping and oil injecting device comprises a movable bottom plate 1, an oil storage tank 2, an oil feeding pipeline 21, a vacuum pump 3, an oil well pump 4, a flexible rubber hose 41, an oil gun 42, an L-shaped supporting plate 5, a filter screen 6, a reciprocating lifting stirring mechanism 7, a lifting plate 701, a connecting rod 702, a scraping plate 703, a sliding sleeve 704, a sliding rod 705, a stirring rod 706, a stirring paddle 707, a gear 708, a rack 709, a motor 710, a reciprocating screw 711, a fixing mechanism 8, a fixing clamp block 801, a movable plate 802, a movable clamp block 803, a first sliding block 804, a pinch column 805, a second sliding block 806, a sliding column 807, a spring 808 and a guide channel 809, wherein the oil storage tank 2 is fixed at the top end of the movable bottom plate 1, the oil feeding pipeline 21 and the vacuum pump 3 are fixed at the top end of the oil feeding pipeline 21 extends into the oil storage tank 2, a valve is installed on the oil feeding pipeline 21, one side of the oil storage tank 2 is further provided with the oil well pump 4 fixedly connected to the top end of the movable bottom plate 1, oil inlet department of oil-well pump 4 is connected with oil pumping pipe, oil pumping pipe's one end extends to in the batch oil tank 2, and install the solenoid valve, oil-out department of oil-well pump 4 is connected with flexible rubber hose 41, flexible rubber hose 41's one end is connected with grease gun 42, be fixed with L type backup pad 5 on the left side wall of batch oil tank 2, seted up on the L type backup pad 5 and matched with the jack with grease gun 42, batch oil tank 2 internal fixation has filter screen 6, the air inlet department of vacuum pump 3 is connected with the exhaust tube, the one end of exhaust tube extends to in the batch oil tank 2, vacuum pump 3's air outlet department is connected with exhaust duct.
A reciprocating lifting stirring mechanism 7 is connected between the filter screen 6 and the oil storage tank 2, the reciprocating lifting stirring mechanism 7 comprises a reciprocating screw rod 711 rotatably connected on the oil storage tank 2, the outer side of the reciprocating screw rod 711 is in spiral transmission connection with a lifting plate 701, the periphery of the outer wall of the lifting plate 701 is fixed with connecting rods 702, one end of each of the four connecting rods 702 is fixed with a same scraping plate 703 with a square cross section, two symmetrical sliding sleeves 704 are fixedly embedded on the scraping plates 703, two symmetrical sliding rods 705 are fixed between the inner bottom wall of the oil storage tank 2 and the bottom end of the filter screen 6, the sliding sleeves 704 are slidably sleeved on the outer sides of the corresponding sliding rods 705, stirring rods 706 are rotatably connected on the four inner walls of the scraping plates 703, a plurality of stirring paddles 707 are equally spaced on the two side walls of the stirring rods 706, the outer side of the stirring rods 706 is fixedly connected with a gear 708, and one side of the gear 708 is engaged with a rack 709, rack 709 all fixes in oil storage tank 2 between diapire and the 6 bottoms of filter screen, has seted up the cavity on the oil storage tank 2, is fixed with motor 710 on the interior diapire of cavity, and the one end of reciprocal lead screw 711 extends to in the cavity to link to each other with motor 710's output shaft, the top rotation of reciprocal lead screw 711 is connected in 6 bottoms of filter screen, and scraper blade 703 can scrape down the fluid that bonds on the 2 inner walls of oil storage tank.
A fixing mechanism 8 is connected between the grease gun 42 and the L-shaped supporting plate 5, the fixing mechanism 8 comprises a fixing clamping block 801 fixed on one side wall of the L-shaped supporting plate 5, a movable plate 802 connected to the side wall of the L-shaped supporting plate 5 in a sliding manner is arranged on one side of the fixing clamping block 801, a movable clamping block 803 is fixed on the movable plate 802, two symmetrical first sliding blocks 804 are fixed on one side wall of the movable plate 802 facing the L-shaped supporting plate 5, a first sliding groove matched with the first sliding block 804 is formed in one side wall of the L-shaped supporting plate 5, two symmetrical pinching columns 805 are further connected to one side wall of the L-shaped supporting plate 5 in a sliding manner, a second sliding block 806 is fixed at one end of the pinching columns 805, a second sliding groove matched with the two second sliding blocks 806 is formed in one side wall of the L-shaped supporting plate 5, a sliding column 807 is fixed in the second sliding groove, the two sliding blocks 806 are movably sleeved on the outer side of the sliding column 807, a spring 808 is connected between the two sliding blocks 806, the outside at traveller 807 is established to spring 808 activity cover, all seted up on the fly leaf 802 with hold between the fingers post 805 matched with direction passageway 809, hold between the fingers the equal swing joint of post 805 in the direction passageway 809 that corresponds, all seted up on fixed clamp splice 801 and the activity clamp splice 803 with grease gun 42 matched with semicircle mouth, the inner wall of semicircle mouth all is equipped with the slipmat.
The working principle is as follows: s1, when oil needs to be injected on the transformer, the device can be pushed to the position of the transformer, the two pinching posts 805 are pinched to move relatively, the pinching posts 805 are matched with the movable plate 802 through the guide channel 809, then the movable plate 802 can be driven to move in the direction away from the fixed clamping block 801, meanwhile, the two sliding blocks 806 compress the spring 808 on the sliding post 807, and then the movable clamping block 803 loosens the oil gun 42, so that the oil gun 42 can be conveniently taken down from the L-shaped supporting plate 5, and the oil injection on the transformer can be conveniently carried out;
s2, connecting the oil feeding pipeline 21 to external oil transportation equipment, and opening a valve on the oil feeding pipeline 21, so that oil can be conveniently fed into the oil storage tank 2 through the external oil transportation equipment, the fed oil can be filtered through the filter screen 6, and the air in the oil storage tank 2 is discharged by starting the vacuum pump 3, so that the phenomenon that the oil is deteriorated due to the fact that the air exists in the oil storage tank 2 is avoided;
s3, after the oil body is stored for a long time in the oil storage tank 2, accessible motor 710 starts, then make reciprocal lead screw 711 rotate, because reciprocal lead screw 711 is connected with lifter plate 701 helical drive, make the scraper blade 703 that the lifter plate 701 is connected through four connecting rods 702, can reciprocate the lifting and drop in the oil storage tank 2, because the equal meshing in gear 708 one side of equal rigid coupling on the puddler 706 is connected with rack 709, thereby can drive four puddlers 706 simultaneously and rotate when making scraper blade 703 reciprocate, then can stir the oil body in the oil storage tank 2, avoid insulating oil to deposit the back emergence after depositing for a long time, lead to insulating oil upper and lower density inhomogeneous.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. A transformer vacuum pumping and oil injecting device comprises a movable bottom plate (1), and is characterized in that an oil storage tank (2) is fixed at the top end of the movable bottom plate (1), an oil feeding pipeline (21) and a vacuum pump (3) are fixed at the top end of the oil storage tank (2), one end of the oil feeding pipeline (21) extends into the oil storage tank (2), a valve is installed on the oil feeding pipeline (21), an oil well pump (4) fixedly connected to the top end of the movable bottom plate (1) is further arranged on one side of the oil storage tank (2), an oil pumping pipe is connected to an oil inlet of the oil well pump (4), one end of the oil pumping pipe extends into the oil storage tank (2) and is provided with an electromagnetic valve, an oil outlet of the oil well pump (4) is connected with a telescopic rubber hose (41), one end of the telescopic rubber hose (41) is connected with an oil injecting gun (42), an L-shaped supporting plate (5) is fixed on the left side wall of the oil storage tank (2), set up on L type backup pad (5) with grease gun (42) jack that cooperatees, oil storage tank (2) internal fixation has filter screen (6), is connected with reciprocal over-and-under type rabbling mechanism (7) between filter screen (6) and oil storage tank (2), is connected with fixed establishment (8) between grease gun (42) and L type backup pad (5).
2. The transformer vacuum pumping and oil injecting device according to claim 1, wherein the reciprocating lifting type stirring mechanism (7) comprises a reciprocating screw rod (711) rotatably connected to the oil storage tank (2), the outer side of the reciprocating screw rod (711) is in spiral transmission connection with a lifting plate (701), connecting rods (702) are fixed around the outer wall of the lifting plate (701), one end of each connecting rod (702) is fixed with a same scraping plate (703) with a square-shaped cross section, two symmetrical sliding sleeves (704) are fixedly embedded on the scraping plate (703), two symmetrical sliding rods (705) are fixed between the inner bottom wall of the oil storage tank (2) and the bottom end of the filter screen (6), and the sliding sleeves (704) are respectively sleeved outside the corresponding sliding rods (705).
3. The transformer vacuumizing and oiling device according to claim 2, wherein stirring rods (706) are rotatably connected to four inner walls of the scraper (703), a plurality of stirring paddles (707) are equally spaced on two side walls of each stirring rod (706), gears (708) are fixedly connected to the outer sides of the stirring rods (706), racks (709) are respectively engaged and connected to one side of each gear (708), and the racks (709) are respectively fixed between the inner bottom wall of the oil storage tank (2) and the bottom end of the filter screen (6).
4. The transformer vacuumizing oil injection device according to claim 1, wherein a cavity is formed in the oil storage tank (2), a motor (710) is fixed to the inner bottom wall of the cavity, one end of a reciprocating screw rod (711) extends into the cavity and is connected with an output shaft of the motor (710), and the top end of the reciprocating screw rod (711) is rotatably connected to the bottom end of the filter screen (6).
5. The transformer vacuum pumping and oil injecting device according to claim 1, wherein the fixing mechanism (8) comprises a fixing clamping block (801) fixed on one side wall of the L-shaped supporting plate (5), a movable plate (802) slidably connected to the side wall of the L-shaped supporting plate (5) is arranged on one side of the fixing clamping block (801), a movable clamping block (803) is fixed on the movable plate (802), two symmetrical first sliding blocks (804) are fixed on one side wall of the movable plate (802) facing the L-shaped supporting plate (5), and first sliding grooves matched with the first sliding blocks (804) are formed in one side wall of the L-shaped supporting plate (5).
6. The transformer vacuumizing and oiling device according to claim 1, wherein two symmetrical pinching pillars (805) are further connected to one side wall of the L-shaped supporting plate (5) in a sliding mode, a second sliding block (806) is fixed to one end of each pinching pillar (805), a second sliding groove matched with the two second sliding blocks (806) is formed in one side wall of the L-shaped supporting plate (5), a sliding pillar (807) is fixed in each sliding groove, and the second sliding blocks (806) are movably sleeved on the outer side of the sliding pillar (807).
7. The transformer vacuumizing and oiling device according to claim 6, wherein a spring (808) is connected between the two sliding blocks (806), the spring (808) is movably sleeved on the outer side of the sliding column (807), guide channels (809) matched with the pinching column (805) are respectively formed in the movable plate (802), and the pinching column (805) is movably connected in the corresponding guide channel (809).
CN202120944897.9U 2021-05-06 2021-05-06 Transformer vacuum pumping oil injection equipment Expired - Fee Related CN214797086U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120944897.9U CN214797086U (en) 2021-05-06 2021-05-06 Transformer vacuum pumping oil injection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120944897.9U CN214797086U (en) 2021-05-06 2021-05-06 Transformer vacuum pumping oil injection equipment

Publications (1)

Publication Number Publication Date
CN214797086U true CN214797086U (en) 2021-11-19

Family

ID=78691795

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120944897.9U Expired - Fee Related CN214797086U (en) 2021-05-06 2021-05-06 Transformer vacuum pumping oil injection equipment

Country Status (1)

Country Link
CN (1) CN214797086U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114823074A (en) * 2022-07-01 2022-07-29 徐州保利电力科技有限公司 Vacuum oiling device for manufacturing amorphous alloy transformer
CN116440581A (en) * 2023-04-29 2023-07-18 南京海星电磁科技有限公司 Transformer oil liquid purification method and purification device thereof
CN116884736A (en) * 2023-08-25 2023-10-13 无锡达瑞锋新能源科技发展有限公司 Oil immersed transformer with circulation clearance structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114823074A (en) * 2022-07-01 2022-07-29 徐州保利电力科技有限公司 Vacuum oiling device for manufacturing amorphous alloy transformer
CN116440581A (en) * 2023-04-29 2023-07-18 南京海星电磁科技有限公司 Transformer oil liquid purification method and purification device thereof
CN116440581B (en) * 2023-04-29 2024-02-02 武汉智领创联科技有限公司 Transformer oil liquid purification method and purification device thereof
CN116884736A (en) * 2023-08-25 2023-10-13 无锡达瑞锋新能源科技发展有限公司 Oil immersed transformer with circulation clearance structure
CN116884736B (en) * 2023-08-25 2024-04-30 亨科电气河北有限公司 Oil immersed transformer with circulation clearance structure

Similar Documents

Publication Publication Date Title
CN214797086U (en) Transformer vacuum pumping oil injection equipment
CN106823530A (en) A kind of petroleum collection special filtering equipment
CN107900051A (en) A kind of medical tubes cleaning equipment
CN204035149U (en) Cleaning machine
CN208680064U (en) A kind of oil pipeline apparatus for eliminating sludge
CN210304809U (en) Animal remedy material belt cleaning device is used in animal remedy production
CN216668415U (en) Cleaning equipment for tubular heat exchanger for chemical industry
CN112588761B (en) A synchronous belt cleaning device of length test tube for bioengineering
CN212309027U (en) Separator is used in tea-seed oil processing
CN205096260U (en) Draw group pincers and full -automatic copper bar hydraulic pressure to draw machine of dialling
CN209741139U (en) Black garlic fermentation machine with cleaning device
CN215632908U (en) Semi-direct-drive belt oil extraction equipment for switched reluctance motor
CN214786044U (en) Building templates surface edulcoration belt cleaning device
CN219419464U (en) Liquid filling device of storage battery
CN211464154U (en) Gynaecology's straw belt cleaning device
CN218053185U (en) PC concrete mould belt cleaning device
CN218443491U (en) Tube expansion device for tubular heat exchanger
CN216619290U (en) High-efficient oiling machine
CN212142454U (en) Vacuum paste making machine with self-purification structure
CN216295418U (en) Filtering equipment for chemical process
CN216359244U (en) A beverage bottle belt cleaning device for bottled wine production
CN217191256U (en) Multifunctional cleaning machine
CN220684666U (en) Drip-proof oil tea seed oil filling device
CN219540343U (en) Automatic liquid equipment of joining in marriage in laboratory
CN213267073U (en) Surface treatment device of fabric sofa cover

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211119