CN107740309B - A kind of railway trouble oiling protective device automatically controlling Extraction rate - Google Patents
A kind of railway trouble oiling protective device automatically controlling Extraction rate Download PDFInfo
- Publication number
- CN107740309B CN107740309B CN201710968625.0A CN201710968625A CN107740309B CN 107740309 B CN107740309 B CN 107740309B CN 201710968625 A CN201710968625 A CN 201710968625A CN 107740309 B CN107740309 B CN 107740309B
- Authority
- CN
- China
- Prior art keywords
- cabinet
- extraction rate
- rod
- railway
- automatically controlling
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
- E01B7/26—Lubricating of switches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of railway trouble oiling protective devices for automatically controlling Extraction rate; it is connected between the right end and oil pipe won in succession by spring; and spring is socketed on adjustable plate, it is described win in succession on be socketed with guide sleeve, and the lower end of guide sleeve is fixed on cabinet.It is mobile that people pushes cross bar, sponge is got in railway, idler wheel is got in railway, friction between such words railway trouble and idler wheel will drive idler wheel rotation, idler wheel drives shaft rotation, to drive active conical gear to rotate, active conical gear drives driven bevel gear rotation, cam will be driven in this way, under the action of the spring, the left end of cam can be against on the inner cavity left end of pulling plate, sponge sliding is fast in this way, idler wheel just rotates fast, cam will strike always pulling plate, pulling plate is caused to have little time to return to the right, gap in this way between the inner cavity right wall of adjustable plate and oil pipe is bigger always, oil pump capacity is with regard to bigger, without reducing because applying oil mass caused by fast moving.
Description
Technical field
The invention belongs to railway trouble oiling technical fields, are related to railway trouble oiling station, and in particular to a kind of automatic control
The railway trouble oiling protective device of Extraction rate.
Background technique
The track of railway switch generates displacement under the action of operating mechanism, so that train be made to change travel route.To protect
Track switch track normal shift is demonstrate,proved, the track position mobile to track switch track is needed frequently to be cleared up and oiled.Currently, main
It is that hygiene is carried out to track switch by manually using general burnisher, such as cotton yarn and is oiled, large labor intensity, work
Make low efficiency, and waste oil.Therefore just there is the railway trouble cleaner that can control Extraction rate in the market, carry out oiling, such as
Notification number be CN200620081979.0 " a kind of Multifunctional railroad crossing clearer, including fuel tank, fuel tank are fixed on by oil pipe
On pedestal, the bottom surface of pedestal is provided with sponge block, and oil pipe is directly connected to sponge block, and the cleaning by being arranged below sponge block
Brush is applied on railway switch, is realized the cleaning to railway and is oiled.Director valve is installed on the oil pipe, to machine oil
Discharge control effectively, to save the energy, avoid the waste of machine oil ", still, the mobile speed of sponge is not
Together, and if oil pump capacity is fixed it is uneven to will result in oiling, cannot voluntarily adjust oil pump capacity according to movement speed.
Summary of the invention
According to the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to propose that a kind of automatic control is fuel-displaced
The railway trouble oiling protective device of speed, passes through the speed of idler wheel, band moving cam, cam driven adjustable plate, thus control port
Size.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted by the present invention are as follows: iron for automatically controlling Extraction rate
Track switch oiling protective device, including fuel tank and cabinet, the cabinet is located at the downside of fuel tank, and passes through branch on the right side of the lower end of fuel tank
Dagger is connect with cabinet, push rod is equipped on the right side of the upper end of the cabinet, and the upper end of push rod is equipped with cross bar backward, the cabinet
Lower end be equipped with sponge, and the lower end of cabinet is uniformly provided with oil outlet, and the upper end right side opening of the fuel tank is equipped with oil inlet, and into
Oil port is threaded with cock, and the left end of the cabinet is equipped with former and later two downward guide cylinders, and the lower end of guide cylinder is inserted
It is connected to guide rod, is connected between the upper end of the guide rod and the inner cavity upper end of guide cylinder by buffer spring, the guide rod
Lower end be connected with connecting rod to the left, connected between the left end of two connecting rods by shaft, front and back two be installed in the shaft
A idler wheel, and active conical gear is socketed in the middle part of shaft, driven circle is connected on the upside of the active conical gear
Bevel gear, and the upper end of driven bevel gear is connected with upward rectangular bull stick, support tube is socketed on the bull stick, and turn
There are buffer gap between the upper end of bar and the inner cavity upper end of support tube, the support tube is fixed by the bracket on guide cylinder,
And the upper end of support tube is equipped with horizontal cam, is connected between cabinet by rectangular oil pipe on the left of the lower end of the fuel tank,
And the left end of oil pipe is plugged with adjustable plate, the left end of the adjustable plate passes through the semicircular drawing being connected with to open front of winning in succession
Plate, and pulling plate is socketed on cam, the left end of the cam are against the inner cavity left end of pulling plate, the right end won in succession and oil pipe it
Between connected by spring, and spring is socketed on adjustable plate, it is described win in succession on be socketed with guide sleeve, and the lower end of guide sleeve is fixed
On cabinet.
In above-mentioned apparatus, the upper center of the cam is equipped with upward drive rod, and the upper end of drive rod is equipped with actively
Synchronous pulley, the upper center of the fuel tank is plugged with downward stirring rod, and is rotatablely connected between stirring rod and fuel tank, described
The lower end of stirring rod is circumferentially with paddle, and the upper end of stirring rod is equipped with driven synchronous pulley, the active synchronization belt wheel and
Pass through synchronous band connection between driven synchronous pulley.
In above-mentioned apparatus, it is rectangular to be equipped with that Open Side Down for the lower end of the active synchronization belt wheel and driven synchronous pulley
Retracting cylinder, the lower end of the retracting cylinder are plugged with rotating block, and the lower end of two rotating blocks respectively with drive rod and stirring rod
Upper end connection.
In above-mentioned apparatus, the outer end side wall of the retracting cylinder is equipped with fastening bolt.
In above-mentioned apparatus, the right end won in succession offers guide groove corresponding with adjustable plate, and the upper end of adjustable plate is right
Side is equipped with telescopic adjustment knob.
In above-mentioned apparatus, the upper end of the push rod is socketed with expansion link, and the outer end side wall of expansion link is equipped with fastening rotation
Button, the cross bar are fixed on the upper end of expansion link.
In above-mentioned apparatus, the push rod and cabinet are articulated and connected, and hinged on the right side of the upper end of the right end of push rod and cabinet
It is connected with pull rod, the opposite one end of two pull rods is connected by thread barrel.
In above-mentioned apparatus, the outer end of the thread barrel is circumferentially with anti-sliding burr.
In above-mentioned apparatus, the outer end of the idler wheel is circumferentially with non-slip rubber layer.
The medicine have the advantages that people pushes, cross bar is mobile, and sponge is got in railway, and idler wheel is got in railway, such
Friction between words railway trouble and idler wheel will drive idler wheel rotation, and idler wheel drives shaft rotation, to drive active conical gear
Rotation, active conical gear drive driven bevel gear rotation, and such cam will be driven, under the action of the spring, cam
Left end can be against on the inner cavity left end of pulling plate, the sliding of such sponge it is fast, idler wheel just rotates fast, and cam will strike always
Pulling plate causes pulling plate to have little time to return to the right, and the gap between the inner cavity right wall of such adjustable plate and oil pipe is bigger always, out
Oil mass is with regard to bigger, and without reducing because applying oil mass caused by fast moving, cam rotation is slow when slowing down, adjustable plate or so
Mobile steady, Extraction rate is steady, and in this case no matter speed oiling is all very uniform, guarantee oiling quality, and buffer spring
Setting is then to guarantee extruding dynamics, guarantees the rotation of idler wheel.
Detailed description of the invention
Content expressed by this specification attached drawing and the label in figure are briefly described below:
Fig. 1 is the structural schematic diagram of a specific embodiment of the invention.
Fig. 2 is the main view of a specific embodiment of the invention.
It is 1 fuel tank in figure, 2 cabinets, 3 sponges, 4 cocks, 5 guide cylinders, 6 guide rods, 7 idler wheels, 8 active conical gears, 9 driven
Conical gear, 10 support tubes, 11 cams, 12 oil pipes, 13 adjustable plates, 14 pulling plates, 15 springs, 16 guide sleeves, 17 drive rods, 18 masters
Dynamic synchronous pulley, 19 stirring rods, 20 driven synchronous pulleys, 21 retracting cylinders, 22 expansion links, 23 pull rods, 24 thread barrels.
Specific embodiment
Below against attached drawing, by the description of the embodiment, for example related each component of a specific embodiment of the invention
Shape, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle, manufacturing process and
Operate with method etc., is described in further detail, to help those skilled in the art to inventive concept of the invention, technology
Scheme has more complete, accurate and deep understanding.
A kind of railway trouble oiling protective device automatically controlling Extraction rate, including fuel tank 1 and cabinet 2, cabinet 2 are located at oil
The downside of case 1, and connect by support column with cabinet 2 on the right side of the lower end of fuel tank 1, push rod is equipped on the right side of the upper end of cabinet 2, and push away
The upper end of bar is equipped with cross bar backward, and the upper end of push rod is socketed with expansion link 22, and the outer end side wall of expansion link 22 is equipped with tightly
Gu knob, cross bar is fixed on the upper end of expansion link 22, for people of different heights, adjusts height, push rod hingedly connects with cabinet 2
It connects, and is hingedly connected with pull rod 23 on the right side of the upper end of the right end of push rod and cabinet 2, two opposite one end of pull rod 23 pass through spiral shell
Line cylinder 24 connects, and rotates thread barrel 24, can adjust the gradient of push rod, easy to remove, the outer end of thread barrel 24 is circumferentially set
Have anti-sliding burr, convenient for the rotation of thread barrel 24, the lower end of cabinet 2 is equipped with sponge 3, and the lower end of cabinet 2 be uniformly provided with it is fuel-displaced
The upper end right side opening in hole, fuel tank 1 is equipped with oil inlet, and cock 4 is threaded at oil inlet, and the left end of cabinet 2 is equipped with front and back
Two downward guide cylinders 5, and the lower end of guide cylinder 5 is plugged with guide rod 6, on the upper end of guide rod 6 and the inner cavity of guide cylinder 5
It is connected between end by buffer spring, the lower end of guide rod 6 is connected with connecting rod to the left, passes through between the left end of two connecting rods and turns
Axis connection is equipped with former and later two idler wheels 7 in shaft, and the outer end of idler wheel 7 is circumferentially with non-slip rubber layer, increases frictional force, prevents
It is sliding, and active conical gear 8 is socketed in the middle part of shaft, the upside of active conical gear 8 is connected with driven bevel gear
9, and the upper end of driven bevel gear 9 is connected with upward rectangular bull stick.
Support tube 10 is socketed on bull stick, and there are between buffering between the upper end of bull stick and the inner cavity upper end of support tube 10
Gap, support tube 10 are fixed by the bracket on guide cylinder 5, and the upper end of support tube 10 is equipped with horizontal cam 11, under fuel tank 1
It is connected between end left side and cabinet 2 by rectangular oil pipe 12, and the left end of oil pipe 12 is plugged with adjustable plate 13, a left side for oil pipe 12
End offers jack corresponding with adjustable plate 13, and the end face that jack is contacted with adjustable plate 13 is equipped with sealing ring, a left side for adjustable plate 13
End is by the semicircular pulling plate 14 being connected with to open front of winning in succession, and pulling plate 14 is socketed on cam 11, the left end of cam 11
It is against the inner cavity left end of pulling plate 14, is connected between the right end won in succession and oil pipe 12 by spring 15, and spring 15 is socketed in adjusting
On plate 13, the right end won in succession offers guide groove corresponding with adjustable plate 13, and flexible adjust is equipped on the right side of the upper end of adjustable plate 13
Knob is saved, the volume gap between adjustable plate 13 and the inner cavity right wall of oil pipe 12 is adjusted, to adjust lower speed oil, upper socket of winning in succession
There is guide sleeve 16, and the lower end of guide sleeve 16 is fixed on cabinet 2, the upper center of cam 11 is equipped with upward drive rod 17,
And the upper end of drive rod 17 is equipped with active synchronization belt wheel 18, the upper center of fuel tank 1 is plugged with downward stirring rod 19, and stirs
It is rotatablely connected between bar 19 and fuel tank 1, the lower end of stirring rod 19 is circumferentially with paddle, and the upper end of stirring rod 19 is equipped with driven
Synchronous pulley 20 drives stirring rod 19 to rotate by synchronous band connection between active synchronization belt wheel 18 and driven synchronous pulley 20,
The lower end of the mobility of oil in increase fuel tank 1, active synchronization belt wheel 18 and driven synchronous pulley 20 is equipped with what Open Side Down
Rectangular retracting cylinder 21, the lower end of retracting cylinder 21 are plugged with rotating block, and the lower end of two rotating blocks respectively with drive rod 17 and
The upper end of stirring rod 19 connects, and such summer is hotter, and oil mobility is good, so that it may directly take out retracting cylinder 21, retracting cylinder
21 outer end side wall is equipped with fastening bolt, prevents retracting cylinder 21 from falling off.
Working principle: people pushes cross bar movement, and sponge 3 is got in railway, and idler wheel 7 is got in railway, such words railway
Friction between trouble and idler wheel 7 will drive the rotation of idler wheel 7, and idler wheel 7 drives shaft rotation, to drive 8 turns of active conical gear
Dynamic, active conical gear 8 drives driven bevel gear 9 to rotate, and such cam 11 will be driven, under the action of spring 15,
The left end of cam 11 can be against on the inner cavity left end of pulling plate 14, and such sponge 3 slides fast, fast, the cam 11 that idler wheel 7 just rotates
Pulling plate 14 will be struck always, pulling plate 14 is caused to have little time to return to the right, the inner cavity right wall of such adjustable plate 13 and oil pipe 12 it
Between gap it is bigger always, oil pump capacity with regard to bigger, without because caused by fast moving apply oil mass reduce, when slowing down
Cam 11 rotates slowly, and adjustable plate 13 moves left and right steadily, and Extraction rate is steady, and in this case no matter speed oiling is all very uniform,
Guarantee oiling quality, and the setting of buffer spring, then be to guarantee extruding dynamics, guarantee the rotation of idler wheel 7.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out is used, or without changing
It is within the scope of the present invention into the conception and technical scheme of the invention are directly applied to other occasions.This hair
Bright protection scope should be determined by the scope of protection defined in the claims.
Claims (9)
1. a kind of railway trouble oiling protective device for automatically controlling Extraction rate, including fuel tank (1) and cabinet (2), feature exists
In the cabinet (2) is located at the downside of fuel tank (1), and is connect by support column with cabinet (2) on the right side of the lower end of fuel tank (1), institute
It states and is equipped with push rod on the right side of the upper end of cabinet (2), and the upper end of push rod is equipped with cross bar backward, the lower end of the cabinet (2) is equipped with
Sponge (3), and the lower end of cabinet (2) is uniformly provided with oil outlet, the upper end right side opening of the fuel tank (1) are equipped with oil inlet, and into
Oil port is threaded with cock (4), and the left end of the cabinet (2) is equipped with former and later two downward guide cylinders (5), and guide cylinder
(5) lower end is plugged with guide rod (6), passes through buffering between the upper end of the guide rod (6) and the inner cavity upper end of guide cylinder (5)
Spring connection, the lower end of the guide rod (6) are connected with connecting rod to the left, are connected between the left end of two connecting rods by shaft,
Former and later two idler wheels (7) are installed in the shaft, and are socketed with active conical gear (8) in the middle part of shaft, the active circle
Be connected on the upside of bevel gear (8) driven bevel gear (9), and the upper end of driven bevel gear (9) be connected with it is upward
Rectangular bull stick is socketed with support tube (10) on the bull stick, and between the upper end of bull stick and the inner cavity upper end of support tube (10)
There are buffer gap, the support tube (10) is fixed by the bracket on guide cylinder (5), and the upper end of support tube (10) is equipped with water
The lower end left side of flat cam (11), the fuel tank (1) is connect between cabinet (2) by rectangular oil pipe (12), and oil pipe
(12) left end is plugged with adjustable plate (13), and the left end of the adjustable plate (13) passes through the semicircle being connected with to open front of winning in succession
Pulling plate (14), and pulling plate (14) is socketed on cam (11), and the inner cavity that the left end of the cam (11) is against pulling plate (14) is left
End is connect between the right end won in succession and oil pipe (12) by spring (15), and spring (15) is socketed on adjustable plate (13),
It is described win in succession on be socketed with guide sleeve (16), and the lower end of guide sleeve (16) is fixed on cabinet (2).
2. a kind of railway trouble oiling protective device for automatically controlling Extraction rate according to claim 1, which is characterized in that
The upper center of the cam (11) is equipped with upward drive rod (17), and the upper end of drive rod (17) is equipped with active synchronization belt wheel
(18), the upper center of the fuel tank (1) is plugged with downward stirring rod (19), and is turned between stirring rod (19) and fuel tank (1)
Dynamic connection, the lower end of the stirring rod (19) is circumferentially with paddle, and the upper end of stirring rod (19) is equipped with driven synchronous pulley
(20), pass through synchronous band connection between the active synchronization belt wheel (18) and driven synchronous pulley (20).
3. a kind of railway trouble oiling protective device for automatically controlling Extraction rate according to claim 2, which is characterized in that
The lower end of the active synchronization belt wheel (18) and driven synchronous pulley (20) is equipped with the rectangular retracting cylinder (21) that Open Side Down,
The lower end of the retracting cylinder (21) is plugged with rotating block, and the lower end of two rotating blocks respectively with drive rod (17) and stirring rod
(19) upper end connection.
4. a kind of railway trouble oiling protective device for automatically controlling Extraction rate according to claim 3, which is characterized in that
The outer end side wall of the retracting cylinder (21) is equipped with fastening bolt.
5. a kind of railway trouble oiling protective device for automatically controlling Extraction rate according to claim 1, which is characterized in that
The right end won in succession offers guide groove corresponding with adjustable plate (13), and flexible adjust is equipped on the right side of the upper end of adjustable plate (13)
Save knob.
6. a kind of railway trouble oiling protective device for automatically controlling Extraction rate according to claim 1, which is characterized in that
The upper end of the push rod is socketed with expansion link (22), and the outer end side wall of expansion link (22) is equipped with tightening knob, the cross bar
It is fixed on the upper end of expansion link (22).
7. a kind of railway trouble oiling protective device for automatically controlling Extraction rate according to claim 1, which is characterized in that
The push rod and cabinet (2) are articulated and connected, and are hingedly connected with pull rod on the right side of the upper end of the right end of push rod and cabinet (2)
(23), the opposite one end of two pull rods (23) is connected by thread barrel (24).
8. a kind of railway trouble oiling protective device for automatically controlling Extraction rate according to claim 7, which is characterized in that
The outer end of the thread barrel (24) is circumferentially with anti-sliding burr.
9. a kind of railway trouble oiling protective device for automatically controlling Extraction rate according to claim 1, which is characterized in that
The outer end of the idler wheel (7) is circumferentially with non-slip rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968625.0A CN107740309B (en) | 2017-10-18 | 2017-10-18 | A kind of railway trouble oiling protective device automatically controlling Extraction rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968625.0A CN107740309B (en) | 2017-10-18 | 2017-10-18 | A kind of railway trouble oiling protective device automatically controlling Extraction rate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107740309A CN107740309A (en) | 2018-02-27 |
| CN107740309B true CN107740309B (en) | 2019-04-19 |
Family
ID=61237502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710968625.0A Active CN107740309B (en) | 2017-10-18 | 2017-10-18 | A kind of railway trouble oiling protective device automatically controlling Extraction rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107740309B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216042B (en) * | 2022-01-06 | 2022-06-24 | 绍兴市辰通金属制品有限公司 | Oiling device of steel pipe forming machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1530029A1 (en) * | 1965-05-24 | 1969-08-28 | Rheinstahl Henschel Ag | Device for pneumatic control of the prime mover and the hydrodynamic gear of internal combustion rail vehicles |
| CN2282005Y (en) * | 1996-07-12 | 1998-05-20 | 王孔林 | Cleaning device for railway switch |
| JP2003034732A (en) * | 2001-07-24 | 2003-02-07 | Toray Ind Inc | Polybutylene terephthalate resin foamed molded article |
| CN2878501Y (en) * | 2006-03-14 | 2007-03-14 | 王孔林 | Multifunctional railroad crossing clearer |
| CN104197179B (en) * | 2014-09-02 | 2017-10-10 | 李祺 | A kind of railway switch multiple spot self-acting lubricator |
| CN205372041U (en) * | 2016-01-18 | 2016-07-06 | 西安瑞信铁路设备有限公司 | Railway switch self -lubricate system |
| CN205938478U (en) * | 2016-08-22 | 2017-02-08 | 济南悦创液压机械制造有限公司 | Multi -functional integrated form railway switch lubricating arrangement |
-
2017
- 2017-10-18 CN CN201710968625.0A patent/CN107740309B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107740309A (en) | 2018-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111036626B (en) | Oil field gathering and transportation pipeline multi-occasion intelligent reducing and descaling device | |
| CN108015777A (en) | A kind of high-altitude hanging full glass curtain wall wipes cleaning intelligence equipment | |
| CN204621760U (en) | A kind of oil drill rocker derusting mechanism with shower nozzle | |
| CN205857329U (en) | A kind of squatting pot cleaning device | |
| CN107740309B (en) | A kind of railway trouble oiling protective device automatically controlling Extraction rate | |
| CN108723921A (en) | Hand-held pipeline-weld interface grinding device | |
| CN212852065U (en) | Landscape irrigation equipment | |
| CN206973049U (en) | A kind of Pipe installing device | |
| CN110966512B (en) | Lubricating oil smearing device for replacing and maintaining large vehicle bearing | |
| CN104786123A (en) | High-strength petroleum drilling rod derusting machine | |
| CN111941171A (en) | Casting pipe fitting inner wall grinding device | |
| CN107960867A (en) | A kind of adjustable type water dispenser | |
| CN208342513U (en) | Environmentally friendly well workover system oil pipe sucker rod well-head steam airtight Environment protection cleaning device | |
| CN205732191U (en) | Tank car wiper mechanism | |
| CN209347694U (en) | A kind of firm guide type classroom chlorination equipment | |
| CN209025445U (en) | Building template cleaning equipment | |
| CN206850346U (en) | Crinoline | |
| CN207613467U (en) | Decoration component | |
| CN209229139U (en) | A kind of Novel water conservancy project construction pipeline fixing device | |
| CN108903812A (en) | A kind of cleaning device easy to use | |
| CN208788331U (en) | A kind of glass production sand blasting unit | |
| CN209221393U (en) | A kind of fire hose of anti-dropout | |
| CN109279408A (en) | A kind of Clean- soft tube winding shrinking apparatus of sewer | |
| CN220717130U (en) | Vertical cylinder cleaning equipment | |
| CN202786587U (en) | Tube-dropping mechanism for automatic doffing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |