CN212201999U - Oil well pipeline paraffin removal device - Google Patents
Oil well pipeline paraffin removal device Download PDFInfo
- Publication number
- CN212201999U CN212201999U CN202021018773.XU CN202021018773U CN212201999U CN 212201999 U CN212201999 U CN 212201999U CN 202021018773 U CN202021018773 U CN 202021018773U CN 212201999 U CN212201999 U CN 212201999U
- Authority
- CN
- China
- Prior art keywords
- wall
- pipeline
- mounting
- plates
- screw rod
- 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.)
- Active
Links
Images
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model discloses an oil well pipeline paraffin removal device, including setting up the installation pipe in the pipeline, rotate between the top inner wall of installation pipe and the bottom inner wall and install same screw rod, the thread bush is equipped with the movable block on the screw rod, and fixed mounting has two first locating levers between the top inner wall of installation pipe and the bottom inner wall, and the screw rod is located between two first locating levers, and movable block sliding sleeve establishes on two first locating levers, and the top fixed mounting of installation pipe has a driving motor. The utility model relates to a rationally, hot plate cooperation scraper blade has reached the purpose of thorough paraffin removal, improves the effect of paraffin removal, and the setting of collecting box has reached the purpose of collecting remaining wax, and is convenient for adjust the distance between two hot plates according to the size of the diameter of pipeline, reaches to be convenient for carry out paraffin removal to the pipeline of different diameters size, improves application scope, is favorable to the use.
Description
Technical Field
The utility model relates to an oil well pipeline paraffin removal equipment technical field especially relates to an oil well pipeline paraffin removal device.
Background
At present, the oil field horizontal well mining technology is applied on a large scale, the serious problem of wax deposition occurs in part of wells, a wax removal process needs to be added in the operation process, people generally use a wax scraper to scrape wax on the side wall of a casing in the well, the wax scraper is conveyed by an electric hoist when in use and goes downwards along the inner wall of the casing, and the wax collected on the wall of the casing is scraped to achieve the purpose of removing the oil wax accumulated on the wall of the casing.
Present wax scraper scrapes wax through the mode of scraping, it has the incomplete phenomenon of clearance, then hardly strike off to the more firm wax that bonds, scrape wax inefficiency, and be not convenient for scrape the clearance to the wax on the sleeve pipe of different diameters, because scrape on the wax scraper and scrape length fixed, when the sleeve pipe of different diameters is scraped wax to needs, need change the wax scraper of different sizes, application scope limits, can not satisfy the user demand, therefore we have proposed a wax device is cleared up to the oil well pipeline and has been used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a paraffin removal device for an oil well pipeline.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a wax removal device for an oil well pipeline comprises an installation pipe arranged in the pipeline, wherein the same screw rod is rotatably arranged between the top inner wall and the bottom inner wall of the installation pipe, a moving block is sleeved on the screw rod in a threaded manner, two first positioning rods are fixedly arranged between the top inner wall and the bottom inner wall of the installation pipe, the screw rod is positioned between the two first positioning rods, the moving block is slidably sleeved on the two first positioning rods, a first driving motor is fixedly arranged at the top of the installation pipe, the bottom end of an output shaft of the first driving motor extends into the installation pipe and is fixedly connected with the top end of the screw rod, two sides of the moving block are hinged with obliquely arranged connecting rods, the two connecting rods are symmetrically arranged, one ends of the connecting rods, far away from the moving block, are hinged with installation plates, heating plates are embedded at the sides, far away from each other, the two heating plates are symmetrically arranged, one sides, the bottom of the mounting tube is fixedly provided with a mounting box with an opening at the top, the inner wall of the bottom of the mounting box is fixedly provided with a storage battery, the storage battery is electrically connected with two heating plates through a conducting wire, the top of the first driving motor and the bottom of the mounting box are both fixedly provided with a positioning plate, the top and the bottom of the mounting plate are both fixedly provided with L-shaped positioning rods, the two L-shaped positioning rods which are opposite from each other in the left and right directions are symmetrically arranged, the positioning plate is sleeved on the two corresponding L-shaped positioning rods in a sliding manner, a connecting plate is arranged above one of the two positioning plates which is positioned above the two positioning plates, the bottom of the connecting plate is fixed with a second driving motor in a threaded manner, the bottom end of the output end of the second driving motor is fixedly connected with the top of one positioning plate, the equal fixed mounting in one side that two L shape locating levers that are located the top kept away from each other has the scraper blade that the slope set up, two scraper blade symmetries set up, one side inner wall top fixed mounting that two collecting boxes kept away from each other has the slope baffle, one side that two slope baffles kept away from each other extends to the top of the collecting box that corresponds respectively, two slope baffle symmetries set up, one side that two slope baffles kept away from each other all with the lateral wall movable contact of pipeline, the slope baffle is located the below of the scraper blade that corresponds.
Preferably, the rectangular channel has all been seted up to the both sides of locating plate, the inner wall of rectangular channel and the outside sliding connection of the L shape locating lever that corresponds, equal fixed mounting has the slider on the one side inner wall that two rectangular channels relative from top to bottom kept away from each other, and the spout has all been seted up to one side that two L shape locating levers relative from top to bottom kept away from each other, slider and corresponding spout sliding connection.
Preferably, the mounting groove has all been seted up to the one side that two mounting panels kept away from each other, the inner wall of mounting groove and the outside fixed connection of the hot plate that corresponds.
Preferably, a thread groove is formed in one side, away from each other, of each of the two L-shaped locating rods above the L-shaped locating rods, a T-shaped fastening bolt is arranged in the thread groove in a sleeved mode, a mounting piece is fixedly mounted on one side of the top of the collecting box, and the mounting piece is sleeved on the corresponding T-shaped fastening bolt in a threaded mode.
Preferably, a semicircular ring is fixedly installed at the top of the connecting plate, and a pull rope is bolted to the semicircular ring.
Preferably, the top of the moving block is provided with a threaded hole, and the threaded hole is in threaded connection with the screw rod.
Compared with the prior art, the beneficial effects of the utility model are that:
through the installation tube, the screw rod, the moving block, the first locating rod, the connecting rod, the installation plate, the heating plates, the first driving motor, the installation box, the storage battery, the locating plate, the L-shaped locating rods, the scraping plates, the collection box, the inclined guide plate and the second driving motor which are matched with the connecting plate, when wax removal operation is carried out, the storage battery supplies power and heats wax on the side wall of the pipeline for the two heating plates, the wax is gradually melted into liquid and slides downwards along the side wall of the pipeline along with the rising of the wax temperature, the pulling rope is released through the electric hoist, the connecting plate drives the upper locating plate to downwards move through the second driving motor, the upper locating plate drives the two scraping plates to downwards move through the two L-shaped locating rods and scrapers residual wax on the side wall of the pipeline, the scraped wax falls into the collection box along the corresponding inclined guide plate under the action of, two scraper blades of two hot plate cooperations, the purpose of thoroughly paraffin removal has been reached, when the distance between two hot plates is adjusted according to the diameter size of pipeline to needs, positive start second driving motor drives the screw rod and rotates, screw rod pivoted drives the movable block downstream and extrudees two connecting rods simultaneously, extruded power drives two mounting panels through two connecting rods and removes to the direction of keeping away from each other, the mounting panel drives the hot plate that corresponds and removes when contacting as to the lateral wall of pipeline, stop first driving motor, make being fixed of hot plate.
The utility model relates to a rationally, hot plate cooperation scraper blade has reached the purpose of thorough paraffin removal, improves the effect of paraffin removal, and the setting of collecting box has reached the purpose of collecting remaining wax, and is convenient for adjust the distance between two hot plates according to the size of the diameter of pipeline, reaches to be convenient for carry out paraffin removal to the pipeline of different diameters size, improves application scope, is favorable to the use.
Drawings
Fig. 1 is a schematic sectional structural view of an oil well pipeline dewaxing device provided by the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic top view of the heating panel of fig. 1.
In the figure: the device comprises a mounting pipe 1, a screw rod 2, a moving block 3, a first positioning rod 4, a connecting rod 5, a mounting plate 6, a heating plate 7, a first driving motor 8, a mounting box 9, a storage battery 10, a positioning plate 11, a positioning rod 12L, a scraping plate 13, a collecting box 14, an inclined guide plate 15, a second driving motor 16 and a connecting plate 17.
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. 1-3, an oil well pipeline paraffin removal device comprises an installation pipe 1 arranged in a pipeline, a same screw rod 2 is rotatably arranged between the top inner wall and the bottom inner wall of the installation pipe 1, a moving block 3 is sleeved on the screw rod 2 in a threaded manner, two first positioning rods 4 are fixedly arranged between the top inner wall and the bottom inner wall of the installation pipe 1, the screw rod 2 is positioned between the two first positioning rods 4, the moving block 3 is slidably sleeved on the two first positioning rods 4, a first driving motor 8 is fixedly arranged at the top of the installation pipe 1, the bottom end of an output shaft of the first driving motor 8 extends into the installation pipe 1 and is fixedly connected with the top end of the screw rod 2, connecting rods 5 which are obliquely arranged are hinged to two sides of the moving block 3, the two connecting rods 5 are symmetrically arranged, a mounting plate 6 is hinged to one end of the connecting rod 5 far away from the moving block 3, and a, the two heating plates 7 are symmetrically arranged, one side, away from each other, of each heating plate 7 is provided with an arc-shaped surface and is in movable contact with the inner wall of the pipeline, the bottom of the installation pipe 1 is fixedly provided with an installation box 9 with an opening at the top, the inner wall of the bottom of the installation box 9 is fixedly provided with a storage battery 10, the storage battery 10 is electrically connected with the two heating plates 7 through a conducting wire, the top of the first driving motor 8 and the bottom of the installation box 9 are both fixedly provided with positioning plates 11, the top and the bottom of the installation plate 6 are both fixedly provided with L-shaped positioning rods 12, the two L-shaped positioning rods 12 opposite to each other are symmetrically arranged, the positioning plates 11 are slidably sleeved on the two corresponding L-shaped positioning rods 12, a connecting plate 17 is arranged above one positioning plate 11 positioned above the two positioning plates 11, the bottom of the connecting plate 17 is fixed with a second driving motor 16 through, the utility model relates to a rationally, the heating plate 7 cooperates with the scraper blade 13, the purpose of thoroughly cleaning wax is achieved, the effect of cleaning wax is improved, the setting of the collecting box 14 achieves the purpose of collecting residual wax, and the distance between the two heating plates 7 can be conveniently adjusted according to the diameter of the pipeline, so that the paraffin removal of the pipelines with different diameters is facilitated, the application range is improved, and the use is facilitated.
In the utility model, rectangular grooves are arranged on both sides of the positioning plate 11, the inner wall of the rectangular groove is connected with the outer side of the corresponding L-shaped positioning rod 12 in a sliding way, a slide block is fixedly arranged on the inner wall of one side, away from each other, of the two rectangular grooves which are opposite from each other from top to bottom, a slide groove is arranged on one side, away from each other, of the two L-shaped positioning rods 12 which are opposite from top to bottom, the slide block is connected with the corresponding slide groove in a sliding way, a mounting groove is arranged on one side, away from each other, of the two mounting plates 6, the inner wall of the mounting groove is fixedly connected with the outer side of the corresponding heating plate 7, a thread groove is arranged on one side, away from each other, of the two L-shaped positioning rods 12 which are opposite from top, a T-shaped fastening bolt is arranged in a thread groove female sleeve box, a, threaded hole is seted up at the top of movable block 3, threaded hole and 2 threaded connection of screw rod, the utility model relates to a rationally, hot plate 7 cooperation scraper blade 13 has reached the purpose of thorough paraffin removal, improves the effect of paraffin removal, and the setting of collecting box 14 has reached the purpose of collecting remaining wax, and is convenient for adjust the distance between two hot plate 7 according to the size of the diameter of pipeline, reaches to be convenient for carry out paraffin removal to the pipeline of different diameters size, improves application scope, is favorable to the use.
The working principle is as follows: when the wax remover is used, when wax removing operation is carried out, the storage battery 10 supplies power for the two heating plates 7 for heating, wax on the side wall of the pipeline is heated by heat generated by the heating plates 7, according to the principle that the wax is preheated to melt, the wax is gradually melted into liquid, the liquid wax slides down along the side wall of the pipeline, meanwhile, the stay cord is released by the electric hoist, the connecting plate 17 drives the upper positioning plate 11 to move downwards by the second driving motor 16, the upper positioning plate 11 drives the upper two L-shaped positioning rods 12 to move downwards, the upper two L-shaped positioning rods 12 drive the two scraping plates 13 to move downwards, the scraping plates 13 scrape off wax remained on the inner walls of the two sides of the pipeline while moving downwards, and the scraped wax falls into the collecting box 14 along the corresponding inclined guide plates 15 under the action of self gravity, when the side wall of the pipeline needs to be cleaned comprehensively, the second driving motor 16 is started in the forward direction, an output shaft of the second driving motor 16 drives one positioning plate 11 fixedly connected with the second driving motor to rotate, one positioning plate 11 drives two mounting plates 6 to rotate through corresponding L-shaped positioning rods 12, the mounting plates 6 drive corresponding heating plates 7 to rotate, meanwhile, the L-shaped positioning rods 12 drive corresponding scraping plates 13 to rotate, the side wall of the pipeline can be cleaned comprehensively, the two heating plates 7 are matched with the two scraping plates 13, the purpose of thoroughly cleaning the wax is achieved, the wax cleaning effect is improved, the collection box 14 is arranged, and the purpose of collecting the residual wax is achieved;
when the distance between the two heating plates 7 is required to be adjusted according to the diameter of the pipeline, the first driving motor 8 is started in the forward direction, the output shaft of the first driving motor 8 drives the screw rod 2 to rotate, the screw rod 2 drives the moving block 3 to move downwards while rotating under the action of the threaded hole arranged at the top of the moving block 3, the moving block 3 extrudes the two connecting rods 5 while moving downwards, the extruding force drives the two connecting rods 5 to move and rotate, the two connecting rods 5 drive the two mounting plates 6 to move in the direction away from each other, the mounting plates 6 drive the corresponding L-shaped positioning rods 12 to slide in the rectangular grooves, and when the mounting plates 6 drive the corresponding heating plates 7 to move to contact with the side walls of the pipeline, the first driving motor 8 is stopped, and the heating plates 7 are fixed under the action of the self-thread locking damping force of the threaded hole and the screw, the distance between the two heating plates 7 is adjusted according to the diameter of the pipeline, paraffin removal is conveniently carried out on the pipelines with different diameters, and the application range is widened.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
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 (6)
1. A wax removal device for an oil well pipeline comprises an installation pipe (1) arranged in the pipeline, and is characterized in that the same screw rod (2) is rotatably arranged between the top inner wall and the bottom inner wall of the installation pipe (1), a movable block (3) is sleeved on the screw rod (2) in a threaded manner, two first positioning rods (4) are fixedly arranged between the top inner wall and the bottom inner wall of the installation pipe (1), the screw rod (2) is positioned between the two first positioning rods (4), the movable block (3) is slidably sleeved on the two first positioning rods (4), a first driving motor (8) is fixedly arranged at the top of the installation pipe (1), the bottom end of an output shaft of the first driving motor (8) extends into the installation pipe (1) and is fixedly connected with the top end of the screw rod (2), connecting rods (5) which are obliquely arranged are hinged to two sides of the movable block (3), and the two connecting rods (5) are symmetrically arranged, one end of the connecting rod (5) far away from the moving block (3) is hinged with a mounting plate (6), one side of the two mounting plates (6) far away from each other is embedded with a heating plate (7), the two heating plates (7) are symmetrically arranged, one side of the two heating plates (7) far away from each other is arranged into an arc surface and is in movable contact with the inner wall of the pipeline, the bottom of the mounting pipe (1) is fixedly provided with a mounting box (9) with the top arranged in an opening, the inner wall of the bottom of the mounting box (9) is fixedly provided with a storage battery (10), the storage battery (10) is electrically connected with the two heating plates (7) through a conducting wire, the top of the first driving motor (8) and the bottom of the mounting box (9) are both fixedly provided with positioning plates (11), the top and the bottom of the mounting plate (6) are both fixedly provided with L, the positioning plates (11) are sleeved on the two corresponding L-shaped positioning rods (12) in a sliding manner, a connecting plate (17) is arranged above one positioning plate (11) which is positioned above the two positioning plates (11), a second driving motor (16) is fixed at the bottom of the connecting plate (17) in a threaded manner, the bottom end of the output end of the second driving motor (16) is fixedly connected with the top of the positioning plate (11) which is positioned above the connecting plate, collecting boxes (14) with openings at the tops are fixedly screwed at the sides, far away from each other, of the two L-shaped positioning rods (12) which are positioned above the four L-shaped positioning rods (12), obliquely arranged scraping plates (13) are fixedly arranged at the sides, far away from each other, of the two scraping plates (13) are symmetrically arranged, and an oblique guide plate (15) is fixedly arranged at the top of the inner wall at the side, far, one side that two slope baffle (15) kept away from each other extends to the top of corresponding collecting box (14) respectively, and two slope baffle (15) symmetry set up, and one side that two slope baffle (15) kept away from each other all with the lateral wall movable contact of pipeline, slope baffle (15) are located the below of scraper blade (13) that correspond.
2. The oil well pipeline paraffin removal device as claimed in claim 1, wherein rectangular grooves are formed in both sides of the positioning plate (11), the inner walls of the rectangular grooves are slidably connected with the outer sides of the corresponding L-shaped positioning rods (12), sliding blocks are fixedly mounted on the inner walls of the two opposite upper and lower rectangular grooves on the sides away from each other, sliding grooves are formed in the two opposite upper and lower L-shaped positioning rods (12) on the sides away from each other, and the sliding blocks are slidably connected with the corresponding sliding grooves.
3. The oil well pipeline paraffin removal device as claimed in claim 1, wherein the two mounting plates (6) are provided with mounting grooves on the sides away from each other, and the inner walls of the mounting grooves are fixedly connected with the outer sides of the corresponding heating plates (7).
4. The oil well pipeline paraffin removal device as claimed in claim 1, wherein the two L-shaped positioning rods (12) at the upper part are provided with threaded grooves at the sides away from each other, the threaded grooves are internally provided with T-shaped fastening bolts in a sleeved mode, one side of the top of the collecting box (14) is fixedly provided with mounting pieces, and the mounting pieces are in threaded sleeved mode on the corresponding T-shaped fastening bolts.
5. The oil well pipeline dewaxing device according to claim 1, wherein a semicircular ring is fixedly mounted on the top of the connecting plate (17), and a pull rope is bolted to the semicircular ring.
6. The oil well pipeline paraffin removal device as claimed in claim 1, wherein a threaded hole is formed in the top of the moving block (3), and the threaded hole is in threaded connection with the screw rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021018773.XU CN212201999U (en) | 2020-06-05 | 2020-06-05 | Oil well pipeline paraffin removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021018773.XU CN212201999U (en) | 2020-06-05 | 2020-06-05 | Oil well pipeline paraffin removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212201999U true CN212201999U (en) | 2020-12-22 |
Family
ID=73808771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021018773.XU Active CN212201999U (en) | 2020-06-05 | 2020-06-05 | Oil well pipeline paraffin removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212201999U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595545A (en) * | 2020-12-25 | 2021-04-02 | 闫书庆 | Electrochemical detection sampling device for collecting dirt on inner wall of pipeline |
| CN113153219A (en) * | 2021-04-16 | 2021-07-23 | 杨晓晨 | Electric heating wax-proof paraffin removal device for oil pipe of petroleum well |
| CN113738308A (en) * | 2021-09-26 | 2021-12-03 | 肖文海 | Oil well pipeline petroleum wax removal device for petroleum exploitation |
| CN115014263A (en) * | 2022-08-09 | 2022-09-06 | 湖南鹏翔星通汽车有限公司 | Hole depth measuring assembly based on anchor rod trolley design |
-
2020
- 2020-06-05 CN CN202021018773.XU patent/CN212201999U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595545A (en) * | 2020-12-25 | 2021-04-02 | 闫书庆 | Electrochemical detection sampling device for collecting dirt on inner wall of pipeline |
| CN112595545B (en) * | 2020-12-25 | 2024-02-02 | 闫书庆 | Electrochemical detection sampling device for collecting dirt on inner wall of pipeline |
| CN113153219A (en) * | 2021-04-16 | 2021-07-23 | 杨晓晨 | Electric heating wax-proof paraffin removal device for oil pipe of petroleum well |
| CN113153219B (en) * | 2021-04-16 | 2023-08-11 | 杨晓晨 | Electric heating wax-preventing and removing device for petroleum pipe of petroleum well |
| CN113738308A (en) * | 2021-09-26 | 2021-12-03 | 肖文海 | Oil well pipeline petroleum wax removal device for petroleum exploitation |
| CN115014263A (en) * | 2022-08-09 | 2022-09-06 | 湖南鹏翔星通汽车有限公司 | Hole depth measuring assembly based on anchor rod trolley design |
| CN115014263B (en) * | 2022-08-09 | 2022-11-11 | 湖南鹏翔星通汽车有限公司 | Hole depth measuring assembly based on anchor rod trolley design |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212201999U (en) | Oil well pipeline paraffin removal device | |
| CN113977346B (en) | Lubricating oil adding mechanism for numerical control machine tool | |
| CN215565861U (en) | Borehole wall impurity cleaning device for downhole operation | |
| CN115940069A (en) | Automatic deicing device and deicing method thereof | |
| CN116371839A (en) | A pipeline surface incrustation scale clearance safety construction device for municipal works | |
| CN118145871A (en) | Thermal state decoking equipment for substrate glass tank furnace | |
| CN214050558U (en) | Sewage treatment plant for environmental engineering | |
| CN212310770U (en) | Clean type electric heating steam dewaxing kettle | |
| CN117767209A (en) | Cable overhauling equipment and using method thereof | |
| CN219072217U (en) | Sewage slag remover capable of automatically cleaning | |
| CN214808653U (en) | A cleaning equipment for sedimentation tank | |
| CN216986474U (en) | A filter equipment for lubricating oil production and processing usefulness | |
| CN214707095U (en) | Automatic defroster of walking transmission line | |
| CN215620183U (en) | Tar residue modification and recovery device | |
| CN210208589U (en) | Material collecting device of hydraulic machine | |
| CN211437326U (en) | Oil production pipeline scale removal device | |
| CN210085019U (en) | Oil-water separator convenient to clean | |
| CN219580509U (en) | Solid waste pyrolysis anti-coking device | |
| CN206229000U (en) | A kind of centrifugal automatic apparatus for separating oil from mud | |
| CN113699286B (en) | Slag flushing system with wear-resistant internal ceramic lining plate | |
| CN221756514U (en) | Automatic clearance mechanism for broken glass on table top of cutting machine | |
| CN220827362U (en) | Paraffin fusion device convenient to clearance | |
| CN221623131U (en) | Hydraulic oil pressing device | |
| CN221321227U (en) | Pipeline dredging device for water supply and drainage | |
| CN220643009U (en) | Sedimentation device with scraping structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |