CN215784150U - Combined oil cylinder with high-pressure washing channel - Google Patents

Combined oil cylinder with high-pressure washing channel Download PDF

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Publication number
CN215784150U
CN215784150U CN202121159983.5U CN202121159983U CN215784150U CN 215784150 U CN215784150 U CN 215784150U CN 202121159983 U CN202121159983 U CN 202121159983U CN 215784150 U CN215784150 U CN 215784150U
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cylinder
oil
cylinder barrel
movable cylinder
guide
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颜国良
王深波
王细检
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Xiangtan Huibo Centrifuge Co ltd
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Xiangtan Huibo Centrifuge Co ltd
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Abstract

The invention discloses a combined oil cylinder with a high-pressure washing channel, which belongs to the technical field of scraper centrifuges and comprises a scraper oil cylinder, wherein the cylinder body of the scraper oil cylinder is fixed on a centrifuge cover, a scraper capable of lifting and rotating is arranged at the bottom of the scraper oil cylinder, a movable cylinder barrel is arranged in the cylinder body, a hollow cavity with an opening at the top is formed in the upper part of the movable cylinder barrel, and a piston is arranged in the hollow cavity; an outer oil guide pipe is sleeved outside the inner oil guide pipe, the bottom end of the outer oil guide pipe is in contact with and sealed with the top end of the piston, and the top end of the outer oil guide pipe is communicated with an ascending oil inlet and outlet on one side of the cylinder head; a washing liquid inlet is formed in one side of the cylinder body, a flow guide channel is formed in the side wall of the movable cylinder barrel, and the flow guide channel is communicated with the washing liquid inlet through a coil pipe; the bottom end of the movable cylinder barrel is connected with a scraper through a connecting rod, a flow guide channel is also formed in the connecting rod and is communicated with the flow guide channel on the side wall of the movable cylinder barrel, and a washing liquid outlet is formed in the connecting rod and is communicated with the flow guide channel.

Description

Combined oil cylinder with high-pressure washing channel
Technical Field
The invention relates to the technical field of scraper centrifuges, in particular to a combined oil cylinder with a high-pressure water washing channel.
Background
In prior art, when scraper centrifuge operates, the centrifugation of the high-speed operation realization material of rotary drum, after the centrifugation is accomplished, use the scraper to strike off the filter cake that adheres to at the rotary drum inner wall, because scrape the material in-process, the rotary drum is in the rotation state, in order to protect machine operation safety, the scraper is unloaded and can be kept the clearance about 5mm with the rotary drum after finishing, this clearance has leaded to being close to the filter cake of several millimeters thickness of rotary drum inner wall and can not be scraped by the scraper to leave remaining residual filter cake in making the rotary drum. After multiple cycles, the residual filter cake becomes firm and solid, thereby affecting the dewatering effect of the centrifuge; and at the beginning of feeding and during washing the filter cloth, the phenomenon that residues enter a finished product collecting pipe below from the discharge hopper can occur, so that impurities pollute the finished product in the collecting pipe.
Aiming at the problems, the scraper combined oil cylinder is integrated with a high-pressure washing pipeline, and on the premise of not contacting the inner wall of a rotary drum, residual filter cakes can be washed by adding high-pressure water from a scraper connecting rod, so that the cake cleaning effect of a centrifugal machine is improved, meanwhile, filter cloth damage is avoided, material leakage is caused, and the quality of finished products is ensured.
Disclosure of Invention
The invention aims to solve the problems, and provides a combined oil cylinder with a high-pressure washing channel, wherein the combined oil cylinder is fixed on a centrifuge cover, a scraper is fixed below the oil cylinder, and the combined oil cylinder is driven by hydraulic pressure to drive the scraper, so that a filter cake in a rotary drum is scraped; meanwhile, the high-pressure washing pipeline is integrated, and the residual filter cake can be washed by spraying high-pressure water from the scraper connecting rod, so that the filter cake removing effect of the centrifugal machine is effectively improved.
In order to realize the purpose, the invention adopts the technical scheme that: a combined oil cylinder with a high-pressure washing channel comprises a scraper oil cylinder, wherein a cylinder body of the scraper oil cylinder is fixed on a cover of a centrifugal machine, a scraper which can be lifted and rotate is arranged at the bottom of the scraper oil cylinder, the scraper extends into a rotary drum of the centrifugal machine, a movable cylinder barrel is arranged in the cylinder body and is guided through a guide barrel, a hollow cavity with an opening at the top is formed in the upper part of the movable cylinder barrel, a piston is arranged in the hollow cavity, the hollow cavity is positioned at the lower part of the piston to form a sealed cavity, and the sealed cavity is communicated with a descending oil inlet and outlet in a cylinder head through an inner oil guide pipe; an outer oil guide pipe is sleeved outside the inner oil guide pipe, the bottom end of the outer oil guide pipe is in contact with and sealed with the top end of the piston, and the top end of the outer oil guide pipe is communicated with an ascending oil inlet and outlet on one side of the cylinder head; a washing liquid inlet is formed in one side of the cylinder body, a flow guide channel is formed in the side wall of the movable cylinder barrel, and the flow guide channel is communicated with the washing liquid inlet through a coil pipe; the bottom end of the movable cylinder barrel is connected with a scraper through a connecting rod, a flow guide channel is also formed in the connecting rod and is communicated with the flow guide channel on the side wall of the movable cylinder barrel, and a washing liquid outlet is formed in the connecting rod and is communicated with the flow guide channel.
Further, the outer wall of the movable cylinder barrel is provided with a coil pipe connector, the coil pipe connector is communicated with a flow guide channel in the side wall of the movable cylinder barrel, and the cleaning solution inlet is communicated with the coil pipe connector through a coil pipe.
Furthermore, guide grooves are symmetrically formed in two sides of the guide cylinder, guide keys are arranged on two sides of the movable cylinder barrel and are matched with the guide grooves of the guide cylinder barrel for limiting and guiding, and a coil pipe interface on one side of the movable cylinder barrel is kept away through the guide grooves on one side of the guide cylinder; the coil pipe is wound on the outer side of the guide cylinder.
Furthermore, a through hole is formed in the piston and is communicated with an inner oil guide pipe, the inner oil guide pipe is communicated with the hollow cavity below the piston, the inner oil guide pipe penetrates through a cylinder head at the top of the cylinder body, and the top end of the inner oil guide pipe is a descending oil inlet and outlet.
Furthermore, a gear is sleeved on the outer wall of the movable cylinder barrel, is arranged in the gear box and is driven by a motor through a gear pair to rotate; the end face of the gear is connected with the bottom face of the guide cylinder through a bolt, a first thrust ball bearing is arranged between the gear box and the side wall of the guide cylinder, and a second thrust ball bearing is arranged between the gear box and the gear.
Furthermore, the top of the gear box is connected with the cylinder body through an outer sleeve seat, a pressing sleeve is arranged between the gear box and the movable cylinder barrel, the bottom end of the gear box is connected with a sealing ring seat through a bolt, a multiple sealing assembly is arranged between the sealing ring seat and the outer wall of the movable cylinder barrel, and the sealing ring seat and the gear box are simultaneously installed on a centrifuge cover through bolts.
Furthermore, a framework oil seal is arranged between the gear box and the outer wall of the movable cylinder barrel and positioned between the pressing sleeve and the movable cylinder barrel; the multiple sealing assembly comprises rubber sealing rings arranged in a double-layer mode, a spacer sleeve is arranged between the double-layer rubber sealing rings, a dustproof sealing ring is arranged below the double-layer rubber sealing rings, and an elastic check ring for holes is arranged above the double-layer rubber sealing rings.
Furthermore, the top of the movable cylinder barrel is connected with a positioning sleeve, the lower part of the positioning sleeve is inserted into the movable cylinder barrel, the inner oil guide pipe and the outer oil guide pipe both penetrate through the positioning sleeve, and a first Y-shaped sealing ring is arranged between the outer wall of the outer oil guide pipe and the inner wall of the positioning sleeve; and the top of the positioning sleeve is provided with a wear-resistant ring.
Furthermore, an inner supporting ring is arranged between the outer wall of the piston and the inner wall of the hollow cavity of the movable cylinder barrel, and a second Y-shaped sealing ring and a third Y-shaped sealing ring are respectively arranged between the outer wall of the piston and the inner wall of the hollow cavity and positioned at the upper side and the lower side of the inner supporting ring; the bottom surface of the hollow cavity is provided with a tapered hole.
The invention has the beneficial effects that:
in order to drive the scraper to scrape off filter cakes in the rotary drum through the combined oil cylinder on the premise of not contacting with the inner wall of the rotary drum, high-pressure water is sprayed from the scraper connecting rod to flush residual filter cakes, and the high-pressure water channel and the scraper oil cylinder are integrated, so that the structure is optimized and simplified, and the cleaning effect is better. Specifically, the scraper oil cylinder controls the movable cylinder barrel to ascend and descend, and the gear sleeved on the outer wall of the movable cylinder barrel drives the movable cylinder barrel to rotate, so that the scraper can move up and down and rotate, and filter cakes on the inner wall of the rotary drum can be hung; and the residual filter cake on the inner wall of the rotary drum is quickly washed by adding high-pressure washing liquid from a washing liquid inlet of the cylinder body, wherein the washing liquid firstly enters a flow guide channel on the inner wall of the movable cylinder barrel through the coil pipe, then enters a flow guide channel in the connecting rod and finally is sprayed out from a washing liquid outlet of the connecting rod.
Wherein the flow guide channel of the washing liquid is integrated in the movable cylinder barrel, and the flow guide channel of the movable cylinder barrel is connected with the washing liquid inlet of the cylinder body through the coil pipe, so that the connection between the washing liquid inlet and the flow guide channel is not influenced when the movable cylinder barrel is lifted up and down.
In addition, because the scraper oil cylinder is installed on the centrifuge cover, in order to reduce the influence of vibration on the sealing performance of the oil cylinder in the operation process of the centrifuge, the bottom of the gear box is provided with the sealing ring seat to be connected with the centrifuge cover, meanwhile, the pressing sleeve is arranged between the gear box and the outer wall of the movable cylinder barrel, and multiple sealing assemblies are arranged between the sealing ring seat and the outer wall of the movable cylinder barrel.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion of the boot of the present invention.
FIG. 3 is an enlarged partial schematic view of the gearbox portion of the present invention.
Fig. 4 is a schematic view of the lowered state of the movable cylinder of the present invention.
FIG. 5 is a schematic view showing the position of the washing liquid inlet of the present invention.
Fig. 6 is a schematic view of the position of the flow guide channel of the present invention.
Fig. 7 is a schematic view showing the rising state of the movable cylinder of the present invention.
Fig. 8 is a schematic view of the position of the scraper cylinder of the present invention mounted on the centrifuge cover.
The text labels in the figures are represented as: 1. a clamping sleeve; 2. a cylinder head; 3. a jacket; 4. a first Y-shaped seal ring; 5. a wear ring; 6. a positioning sleeve; 7. a guide key; 8. a coil pipe; 9. a movable cylinder barrel; 10. An outer support ring; 11. an outer oil conduit; 12. an inner oil conduit; 13. a guide cylinder; 14. a piston; 15. an outer sleeve seat; 16. a first thrust ball bearing; 17. a gear; 18. a second Y-shaped seal ring; 19. an inner support ring; 20. a third Y-shaped seal ring; 21. a circlip for a hole; 22. a spacer sleeve; 23. a seal ring seat; 24. a gear case; 25. a second thrust ball bearing; 26. framework oil seal; 27. pressing the sleeve; 28. A rubber seal ring; 29. a dustproof sealing ring; 30. the oil inlet and outlet are descended; 31. an ascending oil inlet and outlet; 32. a washing liquid inlet; 33. a cylinder body; 34. a flow guide channel; 35. a connecting rod; 36. a scraper; 37. A washing liquid outlet; 38. a centrifuge cover; 39. the inner wall of the rotary drum; 40. a coil pipe interface; 41. and a hollow cavity.
Detailed Description
The invention is further illustrated by the following examples.
A combined oil cylinder with a high-pressure washing channel comprises a scraper oil cylinder, wherein a cylinder body 33 of the scraper oil cylinder is fixed on a centrifuge cover 38, a scraper 36 capable of lifting and rotating is arranged at the bottom of the scraper oil cylinder, the scraper 36 extends into a rotary drum of a centrifuge, a movable cylinder barrel 9 is arranged in the cylinder body 33, the movable cylinder barrel 9 is guided through a guide barrel 13, a hollow cavity 41 with an opening at the top is formed in the upper part of the movable cylinder barrel 9, a piston 14 is arranged in the hollow cavity 41, the hollow cavity 41 is positioned at the lower part of the piston 14 to form a sealed cavity, and the sealed cavity is communicated with a descending oil inlet and outlet 30 in a cylinder head 2 through an inner oil guide pipe 12; an outer oil guide pipe 11 is sleeved outside the inner oil guide pipe 12, the bottom end of the outer oil guide pipe 11 is in contact with and sealed with the top end of the piston 14, and the top end of the outer oil guide pipe 11 is communicated with an ascending oil inlet and outlet 31 on one side of the cylinder head 2; a washing liquid inlet 32 is formed in one side of the cylinder body 33, a flow guide channel 34 is formed in the side wall of the movable cylinder barrel 9, and the flow guide channel 34 is communicated with the washing liquid inlet 32 through the coil pipe 8; the bottom end of the movable cylinder barrel 9 is connected with a scraper 36 through a connecting rod 35, a flow guide channel 34 is also formed in the connecting rod 35 and communicated with the flow guide channel 34 on the side wall of the movable cylinder barrel 9, and a washing liquid outlet 37 is formed in the connecting rod 35 and communicated with the flow guide channel 34.
Preferably, as shown in fig. 4, 5 and 6, a coil pipe connector 40 is disposed on an outer wall of the movable cylinder 9, the coil pipe connector 40 is communicated with the flow guide channel 34 in the side wall of the movable cylinder 9, and the cleaning solution inlet 32 is communicated with the coil pipe connector 40 through the coil pipe 8. Guide grooves are symmetrically formed in two sides of the guide cylinder 13, guide keys 7 are arranged on two sides of the movable cylinder 9 and matched with the guide grooves of the guide cylinder 13 for limiting and guiding, and the coil pipe interface 40 on one side of the movable cylinder 9 is kept away through the guide grooves on one side of the guide cylinder 13; the coil pipe 8 is wound outside the guide cylinder 13. The movable cylinder 9 is limited and guided by the guide key 7 and the guide cylinder 13, so that the movable cylinder 9 can keep consistent with the guide cylinder 13 to rotate to a corresponding degree while moving up and down.
Preferably, as shown in fig. 1 and 3, a gear 17 is sleeved on the outer wall of the movable cylinder 9, and the gear is arranged in the gear box 24 and is driven by a motor through a gear pair to rotate the gear 17; the end face of the gear 17 is connected with the bottom face of the guide cylinder 13 through a bolt, a first thrust ball bearing 16 is arranged between the gear box 24 and the side wall of the guide cylinder 13, and a second thrust ball bearing 25 is arranged between the gear box 24 and the gear 17. The movable cylinder 9 is driven to rotate by sleeving the gear 17 on the movable cylinder 9, and the guide cylinder 13 is also connected with the gear 17, so that the guide cylinder 13 and the movable cylinder 9 synchronously keep rotating.
Preferably, as shown in fig. 1, 3 and 4, a through hole is formed in the piston 14 and is communicated with the inner oil conduit 12, the inner oil conduit 12 is communicated with the hollow cavity 41 below the piston 14, the inner oil conduit 12 penetrates through the cylinder head 2 at the top of the cylinder 33, and the top end of the inner oil conduit 12 is a descending oil inlet/outlet port 30.
Preferably, as shown in fig. 3, 7 and 8, the top of the gear box 24 is connected to the cylinder body 33 through an outer sleeve seat 15, a pressing sleeve 27 is disposed between the gear box 24 and the movable cylinder 9, the bottom end of the gear box 24 is connected to a seal ring seat 23 through a bolt, a multiple seal assembly is disposed between the seal ring seat 23 and the outer wall of the movable cylinder 9, and the seal ring seat 23 and the gear box 24 are simultaneously mounted on a centrifuge cover 38 through bolts. A framework oil seal 26 is arranged between the gear box 24 and the outer wall of the movable cylinder barrel 9 and positioned on a pressing sleeve 27; the multiple sealing assembly comprises rubber sealing rings 28 arranged in a double-layer mode, a spacer 22 is arranged between the double-layer rubber sealing rings 28, a dustproof sealing ring 29 is arranged below the double-layer rubber sealing ring 28, and an elastic check ring 21 for holes is arranged above the double-layer rubber sealing ring 28.
Preferably, as shown in fig. 2, the top of the movable cylinder 9 is connected with a positioning sleeve 6, the lower part of the positioning sleeve 6 is inserted into the movable cylinder 9, the inner oil conduit 12 and the outer oil conduit 11 both pass through the positioning sleeve 6, and a first Y-shaped sealing ring 4 is arranged between the outer wall of the outer oil conduit 11 and the inner wall of the positioning sleeve 6; and a wear-resistant ring 5 is arranged at the top of the positioning sleeve 6.
Preferably, as shown in fig. 3, an inner supporting ring 19 is disposed between the outer wall of the piston 14 and the inner wall of the hollow cavity 41 of the movable cylinder 9, and a second Y-shaped sealing ring 18 and a third Y-shaped sealing ring 20 are disposed between the outer wall of the piston 14 and the inner wall of the hollow cavity 41 and on the upper and lower sides of the inner supporting ring 19 respectively; the bottom surface of the hollow cavity 41 is provided with a tapered hole.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein, and the above description of the embodiments is only used to help understand the method and its core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (9)

1. A combined oil cylinder with a high-pressure washing channel comprises a scraper oil cylinder, wherein a cylinder body (33) of the scraper oil cylinder is fixed on a centrifuge cover (38), a scraper (36) which can lift and rotate is arranged at the bottom of the scraper oil cylinder, and the scraper (36) extends into a rotary drum of a centrifuge, and is characterized in that a movable cylinder barrel (9) is arranged in the cylinder body (33), the movable cylinder barrel (9) is guided through a guide cylinder (13), a hollow cavity (41) with an opening at the top is formed in the upper part of the movable cylinder barrel (9), a piston (14) is arranged in the hollow cavity (41), the hollow cavity (41) is positioned at the lower part of the piston (14) to form a sealed cavity which is communicated with a descending oil inlet and outlet (30) in a cylinder head (2) through an inner oil guide pipe (12); an outer oil guide pipe (11) is sleeved outside the inner oil guide pipe (12), the bottom end of the outer oil guide pipe (11) is in contact with and sealed with the top end of the piston (14), and the top end of the outer oil guide pipe (11) is communicated with an ascending oil inlet/outlet (31) on one side of the cylinder head (2); a washing liquid inlet (32) is formed in one side of the cylinder body (33), a flow guide channel (34) is formed in the side wall of the movable cylinder barrel (9), and the flow guide channel (34) is communicated with the washing liquid inlet (32) through a coil pipe (8); the bottom end of the movable cylinder barrel (9) is connected with a scraper (36) through a connecting rod (35), a flow guide channel (34) is also formed in the connecting rod (35) and communicated with the flow guide channel (34) on the side wall of the movable cylinder barrel (9), and a washing liquid outlet (37) is formed in the connecting rod (35) and communicated with the flow guide channel (34).
2. The combined oil cylinder with the high-pressure water washing channel is characterized in that a coil pipe connector (40) is arranged on the outer wall of the movable cylinder barrel (9), the coil pipe connector (40) is communicated with a flow guide channel (34) in the side wall of the movable cylinder barrel (9), and the cleaning solution inlet (32) is communicated with the coil pipe connector (40) through a coil pipe (8).
3. The combined oil cylinder with the high-pressure washing channel is characterized in that guide grooves are symmetrically formed in two sides of the guide cylinder (13), guide keys (7) are arranged on two sides of the movable cylinder barrel (9) and are matched with the guide grooves of the guide cylinder (13) to perform limiting and guiding, and a coil pipe interface (40) on one side of the movable cylinder barrel (9) is cleared through the guide grooves on one side of the guide cylinder (13); the coil pipe (8) is wound on the outer side of the guide cylinder (13).
4. The combination cylinder with the high-pressure washing passage according to claim 1, wherein a through hole is formed in the piston (14) and is communicated with an inner oil conduit (12), the inner oil conduit (12) is communicated with a hollow cavity (41) below the piston (14), the inner oil conduit (12) penetrates through the cylinder head (2) at the top of the cylinder body (33), and the top end of the inner oil conduit (12) is provided with a descending oil inlet and outlet (30).
5. The combined oil cylinder with the high-pressure water washing channel is characterized in that a gear (17) is sleeved on the outer wall of the movable cylinder barrel (9), is arranged in a gear box (24) and is driven by a motor through a gear pair to drive the gear (17) to rotate; the end face of the gear (17) is connected with the bottom face of the guide cylinder (13) through a bolt, a first thrust ball bearing (16) is arranged between the gear box (24) and the side wall of the guide cylinder (13), and a second thrust ball bearing (25) is arranged between the gear box (24) and the gear (17).
6. The combination cylinder with the high-pressure water washing channel as claimed in claim 5, wherein the top of the gear box (24) is connected with the cylinder body (33) through an outer sleeve seat (15), a pressing sleeve (27) is arranged between the gear box (24) and the movable cylinder barrel (9), the bottom end of the gear box (24) is connected with a seal ring seat (23) through a bolt, a multiple seal assembly is arranged between the seal ring seat (23) and the outer wall of the movable cylinder barrel (9), and the seal ring seat (23) and the gear box (24) are simultaneously mounted on the centrifuge cover (38) through bolts.
7. The combined oil cylinder with the high-pressure water washing channel is characterized in that a framework oil seal (26) is arranged between the gear box (24) and the outer wall of the movable cylinder barrel (9) and positioned on a pressing sleeve (27); the multiple sealing assembly comprises rubber sealing rings (28) arranged in a double-layer mode, a spacer sleeve (22) is arranged between the double-layer rubber sealing rings (28), a dustproof sealing ring (29) is arranged below the double-layer rubber sealing rings (28), and elastic check rings (21) for holes are arranged above the double-layer rubber sealing rings (28).
8. The combined oil cylinder with the high-pressure washing channel is characterized in that the top of the movable cylinder barrel (9) is connected with a positioning sleeve (6), the lower part of the positioning sleeve (6) is inserted into the movable cylinder barrel (9), the inner oil guide pipe (12) and the outer oil guide pipe (11) both penetrate through the positioning sleeve (6), and a first Y-shaped sealing ring (4) is arranged between the outer wall of the outer oil guide pipe (11) and the inner wall of the positioning sleeve (6); and the top of the positioning sleeve (6) is provided with a wear-resistant ring (5).
9. The combined oil cylinder with the high-pressure water washing channel is characterized in that an inner supporting ring (19) is arranged between the outer wall of the piston (14) and the inner wall of the hollow cavity (41) of the movable cylinder barrel (9), and a second Y-shaped sealing ring (18) and a third Y-shaped sealing ring (20) are respectively arranged between the outer wall of the piston (14) and the inner wall of the hollow cavity (41) and positioned on the upper side and the lower side of the inner supporting ring (19); the bottom surface of the hollow cavity (41) is provided with a conical hole.
CN202121159983.5U 2021-05-27 2021-05-27 Combined oil cylinder with high-pressure washing channel Active CN215784150U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121159983.5U CN215784150U (en) 2021-05-27 2021-05-27 Combined oil cylinder with high-pressure washing channel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121159983.5U CN215784150U (en) 2021-05-27 2021-05-27 Combined oil cylinder with high-pressure washing channel

Publications (1)

Publication Number Publication Date
CN215784150U true CN215784150U (en) 2022-02-11

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ID=80173990

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Application Number Title Priority Date Filing Date
CN202121159983.5U Active CN215784150U (en) 2021-05-27 2021-05-27 Combined oil cylinder with high-pressure washing channel

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113182085A (en) * 2021-05-27 2021-07-30 湘潭惠博离心机有限公司 Combined oil cylinder with high-pressure washing channel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113182085A (en) * 2021-05-27 2021-07-30 湘潭惠博离心机有限公司 Combined oil cylinder with high-pressure washing channel
CN113182085B (en) * 2021-05-27 2024-09-20 湘潭惠博离心机有限公司 Combined oil cylinder with high-pressure washing channel

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