CN208214998U - Inner wall of the pipe arrangement for grinding is adjusted against power in one kind - Google Patents
Inner wall of the pipe arrangement for grinding is adjusted against power in one kind Download PDFInfo
- Publication number
- CN208214998U CN208214998U CN201820612239.8U CN201820612239U CN208214998U CN 208214998 U CN208214998 U CN 208214998U CN 201820612239 U CN201820612239 U CN 201820612239U CN 208214998 U CN208214998 U CN 208214998U
- Authority
- CN
- China
- Prior art keywords
- horizontal axis
- wall
- pedestal
- air pressure
- against power
- 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
Landscapes
- Massaging Devices (AREA)
Abstract
The utility model discloses one kind to be adjusted inner wall of the pipe arrangement for grinding against power, including pedestal, guide rod and screw rod are separately installed on the pedestal, sliding sleeve there are two being set on guide rod, the upside of two sliding sleeves is equipped with supporting plate, swivel nut is connected on screw rod, it is connected between swivel nut and sliding sleeve by connecting rod, the top left side of pedestal is equipped with lower installation board, multiple telescoping cylinders are equipped between lower installation board and pedestal, horizontal axis is additionally provided between upper mounting plate and lower installation board, the right end of horizontal axis is mounted with fixing sleeve, the external circumferential of fixing sleeve is equipped with multiple elastic telescopic components, the outer end of elastic telescopic component is equipped with reconditioning plate, the left end of horizontal axis is equipped with air pressure adjustment case, air pump is additionally provided at the top of air pressure adjustment case.The utility model facilitates operation control, adapts to different pipeline reconditionings and uses, and is conducive to reconditioning component and is caught in pipeline, adjustable against power, has highly application value.
Description
Technical field
It is specifically a kind of that inner wall of the pipe reconditioning dress is adjusted against power the utility model relates to pipe machining equipment field
It sets.
Background technique
Pipeline is connected into pipe, pipe connector and valve etc. for conveying gas, liquid or with solid particle
Fluid device.In general, fluid flows to low pressure from the high pressure of pipeline after the pressurization such as air blower, compressor, pump and boiler
The pressure or gravity conveying of fluid itself can also be used in place.Having many uses for pipeline is general, be used primarily in water supply, draining, heat supply,
It gives gas, in long distance delivery oil and natural gas, agricultural irrigation, hydraulic engineering and various commercial plants.
During pipeline processing, need to carry out reconditioning operation to its inner wall, existing device is inconvenient to operate control, nothing
Method adapts to different pipeline processing needs, and reconditioning component is unfavorable for being caught in pipeline, influences operating efficiency.Therefore, for this
Status, there is an urgent need to develop one kind to be adjusted inner wall of the pipe arrangement for grinding against power, to overcome the shortcomings of in currently practical application.
Utility model content
The purpose of this utility model is to provide one kind to be adjusted inner wall of the pipe arrangement for grinding against power, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions:
Inner wall of the pipe arrangement for grinding, including pedestal is adjusted against power in one kind, is separately installed with guide rod on the pedestal
And screw rod, the first motor being connect with screw rod for driving screw turns is additionally provided on the right side of pedestal, is cooperated on the guide rod
Sliding is set there are two sliding sleeve, and the upside of two sliding sleeves is equipped with the supporting plate for carrying out support to pipeline, cooperates spiral shell on the screw rod
Line is connected with swivel nut, is connected between the swivel nut and sliding sleeve by connecting rod, and the top left side of the pedestal is equipped with lower installation board, under
Multiple telescoping cylinders are equipped between mounting plate and pedestal, the top of the lower installation board is equipped with upper mounting plate, upper mounting plate and lower peace
The left and right sides between loading board is equipped with side frame, and horizontal axis, horizontal axis and two sides are additionally provided between the upper mounting plate and lower installation board
For rotation connection between frame, driven gear, driven gear and second are additionally provided on the horizontal axis between upper mounting plate and lower installation board
The driving gear engagement connection installed on motor output shaft, the second motor are fixed on the downside of upper mounting plate, the right side of the horizontal axis
End is mounted with fixing sleeve, and the external circumferential of fixing sleeve is equipped with multiple elastic telescopic components, and the elastic telescopic component includes
Support rod, support tube, piston and spring, the support tube are fixed on fixing sleeve, and support rod is equipped in support tube, support rod
Outer end is equipped with reconditioning plate, and the inner end of support rod is equipped with the piston with the cooperation sliding of support tube inner wall, and the inside of support tube is also
Equipped with spring, one end of spring is fixed on piston, and the other end is fixed on the interior bottom of support tube, the support tube, fixing sleeve
The connection stomata so that tube inner chamber is supported to be connected to horizontal axis inner cavity is also provided with on horizontal axis, the horizontal axis is the pipe of left end opening
Shape structure, the left end of horizontal axis are equipped with air pressure adjustment case, and air pressure adjustment case is fixed on lower installation board, the inside of air pressure adjustment case
Cavity is connected to by horizontal axis and connection stomata with the inner cavity of support tube, and the left end of the horizontal axis is extend into air pressure adjustment case, and
It is sealing rotation connection between horizontal axis and air pressure adjustment case, is additionally provided with air gauge on the left of air pressure adjustment case, air pressure adjustment case
Top is additionally provided with air pump.
As a further solution of the present invention: the guide rod and screw rod are arranged in parallel, the both ends of guide rod and base
Seat is connected and fixed, and the both ends of screw rod and pedestal are rotatablely connected.
As a further solution of the present invention: the supporting plate is " C " shape and structure of upper opening, on the inner wall of supporting plate
Equipped with vulcanie protective layer.
As a further solution of the present invention: the swivel nut is located on the screw rod among two sliding sleeves.
As a further solution of the present invention: the elastic telescopic component is circumferentially uniformly provided with three.
As a further solution of the present invention: the reconditioning plate is arcuate structure, the surface of reconditioning plate is equipped with one layer
Layer of sand.
As a further solution of the present invention: the inside upper part of the air pressure adjustment case is additionally provided with filter screen.
As a further solution of the present invention: being additionally provided with controller on the pedestal, controller is PLC programmable control
Device processed, the model HW-E16ZS220R or S7-200 of controller, the controller respectively with first motor, the second motor, stretch
Contracting cylinder and air pump are electrically connected.
As a further solution of the present invention: after the horizontal axis is adjusted by telescoping cylinder longitudinal movement, the axis of horizontal axis
Line can be overlapped with the straight line where two supporting plate centers of circle.
Compared with prior art, the utility model has the beneficial effects that inner wall of the pipe arrangement for grinding should be adjusted against power,
Pipeline is placed on two supporting plates, two supporting plates the position of horizontal axis can be adjusted by telescoping cylinder to pipeline stabilization support, adapt to
Various sizes of pipeline reconditioning operation, it is rear that negative pressure is taken out to cavity by the work of control air pump, in the support tube of elastic telescopic component
Piston plate can be conducive to reconditioning board to contract and be located in pipeline, after cavity restored into normal atmosphere (An), reconditioning plate can be
Against the inner wall of pipeline under the action of spring, facilitate the progress of reconditioning operation；Horizontal axis rotation, Ji Ketong are driven by the second motor
The layer of sand on reconditioning plate is crossed to inner wall of the pipe reconditioning, is worked by first motor and drives screw rod rotation, swivel nut, connecting rod and sliding sleeve structure
At entirety can move left and right, and then the pipeline of support on supporting plate is driven to move left and right, is conducive to reconditioning board and is located in pipeline, with
And range reconditioning is carried out to the inner wall of pipeline；In reconditioning, can be pressurizeed to cavity by air pump work, and then elastic telescopic
Piston plate in the support tube of component can be displaced outwardly, and reconditioning plate and inner wall of the pipe increase against power, promoted reconditioning effect and
Efficiency facilitates observation air pressure size by air gauge, so from side react reconditioning plate and inner wall of the pipe against power size.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the partial sectional view of elastic telescopic component and horizontal axis part in the utility model.
Fig. 3 is the side view of elastic telescopic component part in the utility model.
In figure: 1- air pressure adjustment case, 2- air gauge, 3- filter screen, 4- cavity, 5- air pump, 6- side frame, the second motor of 7-,
8- driving gear, 9- driven gear, 10- upper mounting plate, 11- horizontal axis, 12- lower installation board, 13- telescoping cylinder, 14- pedestal, 15- control
Device processed, 16- layer of sand, 17- reconditioning plate, 18- elastic telescopic component, 19- fixing sleeve, 20- pipeline, 21- supporting plate, 22- sliding sleeve, 23-
Guide rod, 24- screw rod, 25- first motor, 26- connecting rod, 27- swivel nut, 28- support rod, 29- piston, 30- support tube, 31- bullet
Spring, 32- are connected to stomata.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please referring to Fig. 1~3, in the utility model embodiment, inner wall of the pipe arrangement for grinding is adjusted against power in one kind, including
Pedestal 14 is separately installed with guide rod 23 and screw rod 24 on the pedestal 14, and guide rod 23 and screw rod 24 are arranged in parallel, guide rod
23 both ends are connected and fixed with pedestal 14, and the both ends of screw rod 24 and pedestal 14 are rotatablely connected, and the right side of pedestal 14 is additionally provided with and spiral shell
The connection of bar 24 is for driving the first motor 25 of the rotation of screw rod 24, and cooperation sliding is set there are two sliding sleeve 22 on the guide rod 23,
The upside of two sliding sleeves 22 is equipped with the supporting plate 21 for carrying out support to pipeline 20, and supporting plate 21 is " C " shape and structure of upper opening,
The inner wall of supporting plate 21 is equipped with vulcanie protective layer, can carry out support to pipeline 20 by supporting plate 21, match on the screw rod 24
Conjunction is threaded with swivel nut 27, and swivel nut 27 is located on the screw rod 24 among two sliding sleeves 22, the swivel nut 27 and sliding sleeve 22 it
Between connected by connecting rod 26, worked by first motor 25 and screw rod 24 driven to rotate, because between swivel nut 27, connecting rod 26 and sliding sleeve 22
It is fixedly connected, the entirety that swivel nut 27, connecting rod 26 and sliding sleeve 22 are constituted can move left and right, and then drive the pipeline of support on supporting plate 21
20 move left and right.
The top left side of the pedestal 14 is equipped with lower installation board 12, is equipped between lower installation board 12 and pedestal 14 multiple flexible
Cylinder 13 can drive lower installation board 12 to move up and down by telescoping cylinder 13, and the top of the lower installation board 12 is equipped with upper mounting plate 10,
The left and right sides between upper mounting plate 10 and lower installation board 12 is equipped with side frame 6, between the upper mounting plate 10 and lower installation board 12
It is additionally provided with horizontal axis 11, for rotation connection between horizontal axis 11 and two side frames 6, the horizontal axis between upper mounting plate 10 and lower installation board 12
It is additionally provided with driven gear 9 on 11, the driving gear 8 installed on driven gear 9 and 7 output shaft of the second motor engages connection, and second
Motor 7 is fixed on the downside of upper mounting plate 10, horizontal axis 11 can be driven to rotate by the second motor 7, the right end peace of the horizontal axis 11
Dress is fixed with fixing sleeve 19, and the external circumferential of fixing sleeve 19 is equipped with multiple elastic telescopic components 18, and elastic telescopic component 18 is circumferential
Three are uniformly provided with, the outer end of elastic telescopic component 18 is equipped with reconditioning plate 17, and reconditioning plate 17 is arcuate structure, reconditioning plate 17
Surface is equipped with one layer of layer of sand 16, can be polished the inner wall of pipeline 20 by layer of sand 16, specifically, the elastic telescopic component 18 wraps
Support rod 28, support tube 30, piston 29 and spring 31 are included, the support tube 30 is fixed on fixing sleeve 19, sets in support tube 30
There is support rod 28, the outer end of support rod 28 is equipped with reconditioning plate 17, and the inner end of support rod 28 is equipped with matches with 30 inner wall of support tube
The piston 29 of sliding is closed, the inside of support tube 30 is additionally provided with spring 31, and one end of spring 31 is fixed on piston 29, and the other end is solid
Due to being also provided on the interior bottom of support tube 30, the support tube 30, fixing sleeve 19 and horizontal axis 11 so that 30 inner cavity of support tube
The connection stomata 32 being connected to 11 inner cavity of horizontal axis, the horizontal axis 11 are the tubular structure of left end opening, the left end installation of horizontal axis 11
There is air pressure adjustment case 1, air pressure adjustment case 1 is fixed on lower installation board 12, and the inner chambers 4 of air pressure adjustment case 1 pass through horizontal axis 11
It is connected to stomata 32 is connected to the inner cavity of support tube 30, the left end of the horizontal axis 11 is extend into air pressure adjustment case 1, and horizontal axis 11
It is sealing rotation connection between air pressure adjustment case 1, the inside upper part of the air pressure adjustment case 1 is additionally provided with filter screen 3, passed through
Strainer 3 can obstruct dust, and extraneous dust is avoided to enter in horizontal axis 11, and the left side of air pressure adjustment case 1 is additionally provided with air gauge 2, gas
The top of pressure regulating box 1 is additionally provided with air pump 5.
Controller 15 is additionally provided on the pedestal 14, controller 15 is PLC programmable controller, the model of controller 15
HW-E16ZS220R or S7-200, the controller 15 are electric with first motor 25, the second motor 7, telescoping cylinder 13 and air pump 5 respectively
Property connection, each component is controlled respectively by controller 15.
In the present embodiment, after the horizontal axis 11 is adjusted by the longitudinal movement of telescoping cylinder 13, the axis of horizontal axis 11 can be with two
Straight line where a 21 center of circle of supporting plate is overlapped.
Inner wall of the pipe arrangement for grinding should be adjusted against power, pipeline 20 was placed on two supporting plates 21, two supporting plates 21 can
Support is stablized to pipeline 20, the position of horizontal axis 11 is adjusted by telescoping cylinder 13, adapts to various sizes of 20 reconditioning operation of pipeline,
Negative pressure is taken out to cavity 4 by the work of control air pump 5 afterwards, the piston plate 29 in the support tube 30 of elastic telescopic component 18 can be received inwardly
Contracting, be positioned in pipeline 20 conducive to reconditioning plate 17, after by cavity 4 restore normal atmosphere (An), reconditioning plate 17 can be in spring 31
Against the inner wall of pipeline 20 under effect, facilitate the progress of reconditioning operation；Horizontal axis 11 is driven to rotate by the second motor 7, Ji Ketong
The layer of sand 16 on reconditioning plate 17 is crossed to 20 inner wall reconditioning of pipeline, is worked by first motor 25 and screw rod 24 is driven to rotate, swivel nut 27,
The entirety that connecting rod 26 and sliding sleeve 22 are constituted can move left and right, and then the pipeline 20 of support on supporting plate 21 is driven to move left and right, and be conducive to
Reconditioning plate 17 is positioned in pipeline 20, and carries out range reconditioning to the inner wall of pipeline 20；In reconditioning, worked by air pump 5
It can pressurize to cavity 4, and then the piston plate 29 in the support tube 30 of elastic telescopic component 18 can be displaced outwardly, reconditioning plate 17
With increasing against power for 20 inner wall of pipeline, reconditioning effect and efficiency are promoted, observation air pressure size is facilitated by air gauge 2, in turn
From side reaction reconditioning plate 17 with 20 inner wall of pipeline against power size.
The above are merely preferred embodiments of the present invention, it is noted that for those skilled in the art,
Without departing from the concept of the premise utility, several modifications and improvements can also be made, these also should be considered as practical
Novel protection scope, these all will not influence the effect and patent practicability of the utility model implementation.
Claims (9)
1. inner wall of the pipe arrangement for grinding, including pedestal (14) is adjusted against power in one kind, which is characterized in that on the pedestal (14)
It is separately installed with guide rod (23) and screw rod (24), is additionally provided on the right side of pedestal (14) and connect with screw rod (24) for driving screw rod
(24) first motor (25) rotated, cooperation sliding sets that there are two sliding sleeve (22), two sliding sleeves (22) on the guide rod (23)
Upside be equipped with the supporting plate (21) for pipeline (20) to be carried out with support, matching thread is connected with swivel nut on the screw rod (24)
(27), it is connected between the swivel nut (27) and sliding sleeve (22) by connecting rod (26), the top left side of the pedestal (14) is equipped with down
Mounting plate (12), between lower installation board (12) and pedestal (14) be equipped with multiple telescoping cylinders (13), the lower installation board (12) it is upper
Side is equipped with upper mounting plate (10), the left and right sides between upper mounting plate (10) and lower installation board (12) equipped with side frame (6), it is described on
It is additionally provided between mounting plate (10) and lower installation board (12) horizontal axis (11), connects between horizontal axis (11) and two side frames (6) for rotation
Connect, be additionally provided with driven gear (9) on the horizontal axis (11) between upper mounting plate (10) and lower installation board (12), driven gear (9) with
Driving gear (8) the engagement connection installed on second motor (7) output shaft, the second motor (7) are fixed on upper mounting plate (10)
The right end of downside, the horizontal axis (11) is mounted with fixing sleeve (19), and the external circumferential of fixing sleeve (19) is equipped with multiple elasticity
Telescopic component (18), the elastic telescopic component (18) include support rod (28), support tube (30), piston (29) and spring
(31), the support tube (30) is fixed on fixing sleeve (19), is equipped with support rod (28) in support tube (30), support rod (28)
Outer end is equipped with reconditioning plate (17), and the inner end of support rod (28) is equipped with the piston with the cooperation sliding of support tube (30) inner wall
(29), it is additionally provided with spring (31) on the inside of support tube (30), one end of spring (31) is fixed on piston (29), and the other end is fixed
It is also provided on the interior bottom of support tube (30), the support tube (30), fixing sleeve (19) and horizontal axis (11) so that support tube
(30) the connection stomata (32) that inner cavity is connected to horizontal axis (11) inner cavity, the horizontal axis (11) is the tubular structure of left end opening, horizontal
The left end of axis (11) is equipped with air pressure adjustment case (1), and air pressure adjustment case (1) is fixed on lower installation board (12), air pressure adjustment case
(1) inner chambers (4) are connected to by horizontal axis (11) and connection stomata (32) with the inner cavity of support tube (30), the horizontal axis (11)
Left end extend into air pressure adjustment case (1), and be rotatablely connected between horizontal axis (11) and air pressure adjustment case (1) for sealing, air pressure
It is additionally provided on the left of regulating box (1) air gauge (2), air pump (5) is additionally provided at the top of air pressure adjustment case (1).
2. according to claim 1 be adjusted inner wall of the pipe arrangement for grinding against power, which is characterized in that the guide rod
(23) it is arranged in parallel with screw rod (24), both ends and the pedestal (14) of guide rod (23) are connected and fixed, the both ends of screw rod (24) and base
Seat (14) rotation connection.
3. according to claim 1 or 2 be adjusted inner wall of the pipe arrangement for grinding against power, which is characterized in that the supporting plate
It (21) is " C " shape and structure of upper opening, the inner wall of supporting plate (21) is equipped with vulcanie protective layer.
4. according to claim 1 be adjusted inner wall of the pipe arrangement for grinding against power, which is characterized in that the swivel nut (27)
On the screw rod (24) intermediate positioned at two sliding sleeves (22).
5. according to claim 1 be adjusted inner wall of the pipe arrangement for grinding against power, which is characterized in that the elastic telescopic
Component (18) is circumferentially uniformly provided with three.
6. inner wall of the pipe arrangement for grinding is adjusted against power according to claim 1 or 5, which is characterized in that the reconditioning
Plate (17) is arcuate structure, and the surface of reconditioning plate (17) is equipped with one layer of layer of sand (16).
7. according to claim 1 be adjusted inner wall of the pipe arrangement for grinding against power, which is characterized in that the air pressure adjustment
The inside upper part of case (1) is additionally provided with filter screen (3).
8. according to claim 1 be adjusted inner wall of the pipe arrangement for grinding against power, which is characterized in that the pedestal (14)
On be additionally provided with controller (15), controller (15) be PLC programmable controller, the model HW-E16ZS220R of controller (15)
Or S7-200, the controller (15) are electrical with first motor (25), the second motor (7), telescoping cylinder (13) and air pump (5) respectively
Connection.
9. according to claim 3 be adjusted inner wall of the pipe arrangement for grinding against power, which is characterized in that the horizontal axis (11)
After being adjusted by telescoping cylinder (13) longitudinal movement, the axis of horizontal axis (11) can be with the straight line weight where two supporting plate (21) centers of circle
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820612239.8U CN208214998U (en) | 2018-04-26 | 2018-04-26 | Inner wall of the pipe arrangement for grinding is adjusted against power in one kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820612239.8U CN208214998U (en) | 2018-04-26 | 2018-04-26 | Inner wall of the pipe arrangement for grinding is adjusted against power in one kind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208214998U true CN208214998U (en) | 2018-12-11 |
Family
ID=64513298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820612239.8U Active CN208214998U (en) | 2018-04-26 | 2018-04-26 | Inner wall of the pipe arrangement for grinding is adjusted against power in one kind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208214998U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355628A (en) * | 2019-07-26 | 2019-10-22 | 烟台工程职业技术学院(烟台市技师学院) | A kind of inner wall of the pipe arrangement for grinding |
| CN111229750A (en) * | 2020-01-14 | 2020-06-05 | 王虎山 | Ventilating duct inner wall ash removal device |
-
2018
- 2018-04-26 CN CN201820612239.8U patent/CN208214998U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355628A (en) * | 2019-07-26 | 2019-10-22 | 烟台工程职业技术学院(烟台市技师学院) | A kind of inner wall of the pipe arrangement for grinding |
| CN111229750A (en) * | 2020-01-14 | 2020-06-05 | 王虎山 | Ventilating duct inner wall ash removal device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108436632A (en) | Inner wall of the pipe arrangement for grinding is adjusted against power in one kind | |
| CN208773181U (en) | It is a kind of to be easily caught in inner wall of the pipe arrangement for grinding | |
| CN108747647A (en) | One kind being easily caught in inner wall of the pipe arrangement for grinding | |
| CN208214998U (en) | Inner wall of the pipe arrangement for grinding is adjusted against power in one kind | |
| CN108326646A (en) | A kind of synchronous high-efficiency cleaning shaft inner wall arrangement for grinding | |
| CN206952736U (en) | A kind of fire hydrant pipeline outer wall cleaning plant | |
| CN107900812A (en) | A kind of tube end face sanding apparatus | |
| CN209501023U (en) | A kind of filter being convenient for changing | |
| CN109011765A (en) | A kind of easy-to-mount vertical filter | |
| CN204805185U (en) | Manual hydraulic tank | |
| CN204755229U (en) | High pressure pump | |
| CN201157833Y (en) | Apparatus for cleaning hydraulic equipment | |
| CN208611925U (en) | A kind of precision oil filter | |
| CN206084643U (en) | Pipeline is mobile device for sander | |
| CN207449868U (en) | A kind of Pneumatic support device | |
| CN204003364U (en) | A kind of cooling device of air compressor | |
| CN208294825U (en) | A kind of automatic pressure control submersible pump | |
| CN209340132U (en) | A kind of hydraulic module of by-passing valve with pressure | |
| CN216157836U (en) | Water injection pump intelligence management and control device with protect function | |
| CN205760198U (en) | A kind of compressed air filters a point device of air | |
| CN209510593U (en) | Air compressor machine is used in a kind of spraying | |
| CN208871056U (en) | One kind is shut off valve | |
| CN108704360A (en) | A kind of sewage apparatus | |
| CN204879269U (en) | Oil screen pipe inner wall slagging -off cleaning device | |
| CN215569676U (en) | Overvoltage protector for gas drainer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |