CN108692171A - Refueling device and pumping unit - Google Patents
Refueling device and pumping unit Download PDFInfo
- Publication number
- CN108692171A CN108692171A CN201810441448.5A CN201810441448A CN108692171A CN 108692171 A CN108692171 A CN 108692171A CN 201810441448 A CN201810441448 A CN 201810441448A CN 108692171 A CN108692171 A CN 108692171A
- Authority
- CN
- China
- Prior art keywords
- chamber
- separator
- refueling device
- fluid reservoir
- section
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N11/00—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups
- F16N11/06—Weight-loaded devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
Abstract
A kind of refueling device and pumping unit provided by the invention, the refueling device include:Fluid reservoir, fluid reservoir is for being installed at rope frame, the second chamber that the first chamber for liquid storage is provided in fluid reservoir and can be connected with first chamber, is provided with towards the open opening of lifting rope in second chamber;Separator, separator are movably arranged in second chamber, and separator has the first operating position of sealing first chamber and opens first chamber, so that the second operating position that first chamber is connected with second chamber;Lifting piece, lifting piece vertically extend, and lifting piece is connected with separator, and the operation portion being provided on lifting piece below fluid reservoir, operation portion can drive separator to be moved to the second operating position from the first equipment;Up and down, first chamber is disposed around the outside of second chamber to second chamber.The application embodiment provides a kind of refueling device and pumping unit being avoided that working at height.
Description
Technical field
The present invention relates to technical field of oil production engineering more particularly to a kind of refueling devices and pumping unit.
Background technology
Refueling device can be used for refueling to lifting rope, to be lubricated maintenance to lifting rope.
Lifting rope in the prior art is made of steel wire strand, so the steel wire strand of composition lifting rope is easy mutually in bending
Friction squeezes, to cause the stranded or random stock of lifting rope.And lifting rope in rope frame everywhere in bending state, so lifting rope exists
Stranded or random stock is easy at rope frame.Further, lifting rope generally bears more than ten tons of load, thus when lifting rope it is stranded or
When random stock, the phenomenon that lifting rope is easy to happen fracture, and then generate the pernicious safety accident that polished rod pounds well head.
Lifting rope is broken in order to prevent, needs often to be lubricated maintenance to the lifting rope at rope frame.In the prior art usually
It is stood by operating personnel and maintenance is lubricated to lifting rope at rope frame.But rope frame is generally apart from 4 meters to 6 meters of ground,
So belonging to working at height to the lubricating maintenance of lifting rope, security risk is larger.
Invention content
In view of this, the application embodiment provides a kind of refueling device and pumping unit being avoided that working at height.
Following technical proposal can be used to realize in the above-mentioned purpose of the present invention:A kind of refueling device, including:Fluid reservoir, institute
Fluid reservoir is stated for being installed at rope frame, the first chamber for liquid storage is provided in the fluid reservoir and can be with described first
The second chamber that chamber is connected is provided in the second chamber for towards the open opening of lifting rope;Separator, it is described every
Off member is movably arranged in the second chamber, and the separator has the first operating position for sealing the first chamber
With open the first chamber so that the second operating position that the first chamber is connected with second chamber;Lifting piece, institute
It states lifting piece to vertically extend, the lifting piece is connected with the separator, is provided on the lifting piece positioned at institute
The operation portion below fluid reservoir is stated, the operation portion can drive the separator to be moved to described from first equipment
Two operating positions.
As a preferred embodiment, being provided on the fluid reservoir positioned at the first chamber and second chamber
Drain path between room, one end of the drain path are connected with the first chamber, the other end of the drain path
It is connected with the second chamber, the separator can seal or open the drain path when moving.
As a preferred embodiment, the second chamber is up and down, the first chamber is disposed around described
The outside of two chambers, the drain path lateral direction penetrating.
As a preferred embodiment, the drain path is multiple, multiple drain paths are along the circumferential direction
Uniformly arrangement.
As a preferred embodiment, being provided with elastic component in the second chamber, the elastic component is located at described
The lower section of separator, one end of the elastic component offset with the separator, the other end and the second chamber of the elasticity
Inner wall offset, and elastic component state in compression when the first chamber is closed.
As a preferred embodiment, the inner wall of the second chamber extends inwardly to form limiting stand, the limit
There is platform the stop surface in face of the separator, the stop surface can be limited to the separator.
As a preferred embodiment, the second chamber, which includes undergauge section and cross-sectional area, is more than the undergauge section
Extension diameter section, the extension diameter section is located at the lower section of the undergauge section, the limit formed between the undergauge section and the extension diameter section
Position platform;The separator includes the with the first seal section of extension diameter section sealing cooperation and with undergauge section sealing cooperation
Two seal sections, the confined planes facing with the stop surface, the limit between first seal section and second seal section
Plane with the stop surface for offseting.
As a preferred embodiment, being provided on the fluid reservoir positioned at the first chamber and second chamber
Drain path between room, the length of first seal section are less than the port of the stop surface and the drain path other end
The distance between.
As a preferred embodiment, it includes:Reversing arrangement, the reversing arrangement include being set to the liquid storage
Support portion on tank and the reverse wheel that can be rotatably arranged on the support portion, the support portion upwardly extend, the commutation
Wheel is connected positioned at the top of the fluid reservoir, one end of the lifting piece with the separator, the other end of the lifting piece
It around the reverse wheel and extends downwardly, the operation portion is set on the other end of the lifting piece.
As a preferred embodiment, the reverse wheel includes the first reverse wheel being located at right over the fluid reservoir
With the second reverse wheel positioned at the fluid reservoir oblique upper, first reverse wheel is identical as the height of the second reverse wheel.
As a preferred embodiment, being provided with weight body on the operation portion, the weight of the weight body is more than
The weight of the separator.
As a preferred embodiment, it includes:Balance plate, the counterweight physical efficiency are located on the balance plate, with
The separator is set to be in first operating position.
As a preferred embodiment, the inner wall of the opening is tapered, and the internal diameter of the opening along from upper and
Under direction taper into.
As a preferred embodiment, being provided with sealing between the separator and the inner wall of the second chamber
Part.
A kind of pumping unit comprising:Horse head is provided with rope frame on the horse head;It is hung with what the rope frame was connected
Rope;Refueling device as described above;The fluid reservoir is set on the rope frame, described open unlimited towards the lifting rope.
Refueling device and pumping unit advantageous effect provided by the present application is:Refueling device described in the application embodiment is logical
It crosses and fluid reservoir is installed at rope frame to and is provided in fluid reservoir moveable separator and upper and lower directions extend carries
Draw piece so that operating personnel can operate operation portion in the lower section of rope frame, so that lifting piece is moved to the from the first equipment
Two operating positions, to open first chamber, so that first chamber is connected with second chamber, to the stream in first chamber
Physical efficiency is flow to by opening on lifting rope, is so lubricated maintenance to lifting rope.Rope frame is stood on so as to avoid operating personnel
Place is lubricated maintenance, so avoids working at height.Therefore the application embodiment provides one kind and being avoided that working at height
Refueling device and pumping unit.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the lubricating maintenance status diagram for the refueling device that one embodiment of the present invention provides;
Fig. 2 is that the lubricating maintenance for the refueling device that one embodiment of the present invention provides terminates status diagram;
Fig. 3 is the front view for the pumping unit that one embodiment of the present invention provides;
Fig. 4 is the side view for the pumping unit that one embodiment of the present invention provides.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1, Fig. 2.The refueling device that a kind of embodiment of the application provides may include:Fluid reservoir 11, institute
Fluid reservoir 11 is stated for being installed at rope frame 23, the first chamber 13 for liquid storage is provided in the fluid reservoir 11 and can be with
The second chamber 15 that the first chamber 13 is connected is provided in the second chamber 15 for open spacious towards lifting rope 21
Mouth 19;Separator 27, the separator 27 are movably arranged in the second chamber 15, and the separator 27 has sealing
First operating position of the first chamber 13 and the opening first chamber 13, so that the first chamber 13 and the second chamber
The second operating position that room 15 is connected;Lifting piece 33, the lifting piece 33 vertically extend, the lifting piece 33 and institute
It states separator 27 to be connected, the operation portion 47 positioned at 11 lower section of the fluid reservoir, the operation is provided on the lifting piece 33
Portion 47 can drive the separator 27 to be moved to second operating position from first equipment.
In use, fluid reservoir 11 is installed at rope frame 23 first, and opening 19 is opened wide towards lifting rope 21.Due to
Lifting piece 33 is connected with separator 27, and the operation portion 47 positioned at 11 lower section of fluid reservoir is provided on lifting piece 33, so behaviour
Operation portion 47 can be operated in the lower section of rope frame 23 by making personnel, so that lifting piece 33 is moved to the second work from the first equipment
Position.To open first chamber 13, so that first chamber 13 is connected with second chamber 15, in first chamber 13
Fluid can be flow to by opening 19 on lifting rope 21, so be lubricated maintenance to lifting rope 21.
As can be seen from the above technical solutions:Refueling device described in the application embodiment is by installing fluid reservoir 11
It is provided with moveable separator 27 and the lifting piece 33 of upper and lower directions extension at rope frame 23 and in fluid reservoir 11, makes
Operation portion 47 can be operated in the lower section of rope frame 23 by obtaining operating personnel, so that lifting piece 33 is moved to second from the first equipment
Operating position, to open first chamber 13, so that first chamber 13 is connected with second chamber 15, to first chamber 13
Interior fluid can be flow to by opening 19 on lifting rope 21, so be lubricated maintenance to lifting rope 21.So as to avoid operating personnel
It stands at rope frame 23 and is lubricated maintenance, so avoid working at height.
As shown in Figure 1, in the present embodiment, the fluid reservoir 11 is for being installed at rope frame 23.The rope frame 23
In the top of pumping unit horsehead 25.Specifically, which is used to be installed on the top of the lifting rope 21 at rope frame 23, so that
It obtains open 19 to open wide downward, can be opened wide towards lifting rope 21.The mounting means can be welded and fixed, screw is fixed, one at
Type etc..Fluid reservoir 11 is in hollow revolving body on the whole.The first chamber 13 for liquid storage is provided in fluid reservoir 11 and can be with
The second chamber 15 that first chamber 13 is connected.The first chamber 13 is used for liquid storage, so as to which the first chamber is added in lubricating oil 45
In room 13, so that when first chamber 13 is connected with second chamber 15, lubricating oil 45 can flow into second chamber 15, in turn
It is flow on lifting rope 21 by the opening 19 of second chamber 15, to be lubricated maintenance to lifting rope 21.Preferably, opening 19 is interior
Wall is tapered, and the internal diameter of opening 19 is tapered into along top-down direction.
In one embodiment, second chamber 15 is up and down.The opening 19 is set on the bottom wall of second chamber 15,
To which opening 19 is opened wide downward, so that when fluid reservoir 11 is installed on the top of rope frame 23, opening 19 can be towards lifting rope 21
It opens wide.First chamber 13 is disposed around the outside of second chamber 15.
In the present embodiment, separator 27 is movably arranged in second chamber 15, and separator 27 has sealing the
First operating position of one chamber 13 and open first chamber 13 so that first chamber 13 be connected with second chamber 15 the
Two operating positions.To which when separator 27 is in the first operating position, the fluid in first chamber 13 can not flow out, to store up
Flow container 11 is in the state that lubricating maintenance terminates.And when separator 27 is in the second operating position, the stream in first chamber 13
Body is flow in second chamber 15, and is flow on lifting rope 21 by opening 19, to be lubricated maintenance, such liquid storage to lifting rope 21
Tank 11 is in the state of lubricating maintenance.Preferably, sealing element 29 is provided between separator 27 and the inner wall of second chamber 15.It should
Sealing element 29 is O-ring, and certainly, the material of the sealing element 29 is without being limited thereto, can also be that other materials, such as sealing are filled out
Material.
Further, the drain path 17 being provided on fluid reservoir 11 between first chamber 13 and second chamber 15,
One end of 17 lateral direction penetrating of drain path, drain path 17 is connected with first chamber 13, the other end of drain path 17 and
Two chambers 15 are connected, and separator 27 can seal or open the other end of drain path 17 when moving.Specifically, separator 27
The inner wall sealing of outer wall and second chamber 15 coordinate, the other end of drain path 17 forms opening in second chamber 15, when
When separator 27 is moved to the aperture position, the opening can be sealed, to seal the other end of drain path 17, and then by first
Chamber 13 is isolated with second chamber 15, is flowed into second chamber 15 with limiting the fluid in first chamber 13.When separator 27
It is moved to when deviateing aperture position, the opening can be opened, to open the other end of drain path 17, and then by first chamber 13
It is connected with second chamber 15, to allow the fluid in first chamber 13 to flow into second chamber 15.Preferably, drain path 17
To be multiple, the along the circumferential direction uniformly arrangement of multiple drain paths 17, to which the fluid in first chamber 13 can be along second chamber 15
Circumferencial direction flowed into second chamber 15, so accelerate fluid flowing speed.
Further, the inner wall of second chamber 15 extends inwardly to form limiting stand, and limiting stand has in face of separator 27
Stop surface, stop surface can limit separator 27.To which when separator 27 moves up, limiting stand can limit it
Position, to prevent separator 27 to be moved to the outside of second chamber 15, to ensure that separator 27 is always positioned in second chamber 15, from
And separator 27 once can be moved to the first operating position by gravity after the completion in lubricating maintenance, be carried out next time with facilitating
Lubricating maintenance.
Preferably, second chamber 15 includes the extension diameter section that undergauge section and cross-sectional area are more than undergauge section, and extension diameter section is located at contracting
The lower section of diameter section forms limiting stand between undergauge section and extension diameter section;Separator 27 includes first close with extension diameter section sealing cooperation
Section and the second seal section with the sealing cooperation of undergauge section are sealed, it is facing with stop surface between the first seal section and the second seal section
Confined planes, confined planes with stop surface for offseting.By the sealing of the first seal section and the second seal section, separator 27 can be improved
With the sealing effect between second chamber 15.Further, it is another with drain path 17 to be less than stop surface for the length of the first seal section
The distance between port of one end, to which to be moved to draining logical for the lower face of the first seal section when separator 27 moves up
Above the port of 17 other end of road, so ensure that separator 27 can open drain path 17 and obtain the other end.
In the present embodiment, lifting piece 33 vertically extends, and lifting piece 33 is connected with separator 27, lifting piece
The operation portion 47 positioned at 11 lower section of fluid reservoir is provided on 33.So as to operate operation portion in the position below rope frame 23
47 so that separator 27 is moved to the second operating position from the first equipment, so avoid station at rope frame 23 into
The working at height of row lubricating maintenance.Further, the length of lifting piece 33 can be configured according to actual needs, so that behaviour
Make personnel can stand on the ground operate operation portion 47.The lifting piece 33 can be nylon rope, the material of certain lifting piece 33
It is without being limited thereto, it can also be that steel wire rope, comparison the application do not provide.
Preferably, elastic component 31 is provided in second chamber 15, elastic component 31 is located at the lower section of separator 27, elastic component 31
One end offset with separator 27, the elastic other end and the inner wall of second chamber 15 offset, and the gravity of separator 27 is more than
The elastic force of elastic component 31 is so that the state in compression when first chamber 13 is closed of elastic component 31, to not pull lifting piece
When 33, separator 27 seals the other end of drain path 17 and elastic component 31 is compressed under the gravity of separator 27.Work as pulling
When lifting piece 33, elastic component 31 can apply upward elastic force to separator 27, to mitigate lifting piece 33 to separator 27
Pulling force so alleviates the labor intensity of staff.The elastic component 31 can be spring, and the material of certain elastic component 31 is not
It is limited to this, can also be other materials, such as rubber.
In one embodiment, reversing arrangement includes the support portion 35 being set on fluid reservoir 11 and can rotationally be arranged
Reverse wheel on support portion 35, support portion 35 upwardly extend, and reverse wheel is located at the top of fluid reservoir 11, one end of lifting piece 33
It is connected with separator 27, the other end of lifting piece 33 around reverse wheel and extends downwardly, and operation portion 47 is set to lifting piece 33
The other end on.To when operating operation portion 47, relatively rotate between reverse wheel and lifting piece 33, to ensure to lift
Part 33 can drive separator 27 to move up.
Preferably, reverse wheel includes positioned at the first reverse wheel 37 of the surface of fluid reservoir 11 and positioned at the oblique of fluid reservoir 11
Second reverse wheel 39 of top, the first reverse wheel 37 are identical as the height of the second reverse wheel 39.First reverse wheel 37 can make
Lifting piece 33 close to 27 side of separator extends vertically, and so as to drive separator 27 vertically to move, this second is changed
It can be so that lifting piece 33 extends from the surface of separator 27 to the outside of fluid reservoir 11, so that operation portion 47 to wheel 39
In the lower section of fluid reservoir 11.
Further, weight body 41 is provided on operation portion 47, the weight of weight body 41 is more than the weight of separator 27.From
And lifting piece 33 can lift separator 27 under the gravity of weight body 41, so eliminate force of the staff to lifting piece 33
Process further mitigates the labor intensity of operating personnel.
Further, the refueling device described in the application embodiment further includes balance plate 43, and weight body 41 can be located at flat
It weighs on plate 43, so that separator 27 is in the first operating position.I.e. when maintenance need not be lubricated to lifting rope 21, it can incite somebody to action
Weight body 41 is positioned on balance plate 43, is exerted a force to lifting piece 33 to avoid weight body 41, to ensure that separator 27 exists
In the operating position of sealing first chamber 13 under the gravity of its own.
As shown in Figure 3, Figure 4, the present invention also provides a kind of pumping units comprising:Horse head 25 is provided with rope support on horse head 25
Body 23;The lifting rope 21 being connected with rope frame 23;Such as above-mentioned refueling device;Fluid reservoir 11 is set on rope frame 23, open
19 open wide towards lifting rope 21.
It these are only that several embodiments of the present invention, those skilled in the art can be right according to application documents disclosure
The embodiment of the present invention carries out various changes or modifications without departing from the spirit and scope of the present invention.
Claims (15)
1. a kind of refueling device, which is characterized in that including:
Fluid reservoir, the fluid reservoir are provided with the first chamber for liquid storage for being installed at rope frame in the fluid reservoir
With the second chamber that can be connected with the first chamber, it is provided in the second chamber for open spacious towards lifting rope
Mouthful;
Separator, the separator are movably arranged in the second chamber, and the separator has sealing described first
First operating position of chamber and open the first chamber so that the first chamber be connected with second chamber second
Operating position;
Lifting piece, the lifting piece vertically extend, and the lifting piece is connected with the separator, on the lifting piece
The operation portion being provided with below the fluid reservoir, the operation portion can drive the separator from first equipment
It is moved to second operating position.
2. refueling device according to claim 1, it is characterised in that:The second chamber up and down, first chamber
Room is disposed around the outside of the second chamber.
3. refueling device according to claim 2, it is characterised in that:It is provided on the fluid reservoir positioned at first chamber
Drain path between room and the second chamber, the drain path lateral direction penetrating, one end of the drain path with it is described
First chamber is connected, and the other end of the drain path is connected with the second chamber, can be close when the separator moves
Seal or open the other end of the drain path.
4. refueling device according to claim 3, it is characterised in that:The drain path is multiple, multiple drainings
It along the circumferential direction uniformly arranges in channel.
5. refueling device according to claim 1, it is characterised in that:Elastic component is provided in the second chamber, it is described
Elastic component is located at the lower section of the separator, and one end of the elastic component offsets with the separator, the other end of the elasticity
It offsets with the inner wall of the second chamber, and the gravity of the separator is more than the elastic force of the elastic component so that the elastic component
The state in compression when the first chamber is closed.
6. refueling device according to claim 1, it is characterised in that:The inner wall of the second chamber extends inwardly to form limit
There is the stop surface in face of the separator, the stop surface can be limited to the separator for position platform, the limiting stand.
7. refueling device according to claim 6, it is characterised in that:The second chamber includes undergauge section and cross-sectional area
More than the extension diameter section of the undergauge section, the extension diameter section is located at the lower section of the undergauge section, the undergauge section and the extension diameter section
Between form the limiting stand;The separator include with the extension diameter section sealing cooperation the first seal section and with the undergauge
Second seal section of section sealing cooperation, it is facing with the stop surface between first seal section and second seal section
Confined planes, the confined planes with the stop surface for offseting.
8. refueling device according to claim 7, it is characterised in that:It is provided on the fluid reservoir positioned at first chamber
Drain path between room and the second chamber, the length of first seal section are less than the stop surface and lead to the draining
The distance between the port of the road other end.
9. refueling device according to claim 1, which is characterized in that it includes:Reversing arrangement, the reversing arrangement include
The support portion being set on the fluid reservoir and the reverse wheel that can be rotatably arranged on the support portion, the support portion are upward
Extend, the reverse wheel is located at the top of the fluid reservoir, and one end of the lifting piece is connected with the separator, described to carry
The other end of draw piece is around the reverse wheel and extends downwardly, and the operation portion is set on the other end of the lifting piece.
10. refueling device according to claim 9, it is characterised in that:The reverse wheel includes being located at the fluid reservoir just
First reverse wheel of top and the second reverse wheel positioned at the fluid reservoir oblique upper, first reverse wheel are changed with described second
Height to wheel is identical.
11. refueling device according to claim 1, it is characterised in that:Weight body is provided on the operation portion, it is described to match
The weight of weight body is more than the weight of the separator.
12. refueling device according to claim 11, which is characterized in that it includes:Balance plate, the counterweight physical efficiency are located at
On the balance plate, so that the separator is in first operating position.
13. refueling device according to claim 1, it is characterised in that:The inner wall of the opening is tapered, and the opening
Internal diameter tapered into along top-down direction.
14. refueling device according to claim 1, it is characterised in that:The inner wall of the separator and the second chamber
Between be provided with sealing element.
15. a kind of pumping unit, which is characterized in that it includes:
Horse head is provided with rope frame on the horse head;
The lifting rope being connected with the rope frame;
Refueling device as described in any one of claim 1 to 14;The fluid reservoir is set on the rope frame, described
Opening is opened wide towards the lifting rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441448.5A CN108692171A (en) | 2018-05-10 | 2018-05-10 | Refueling device and pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441448.5A CN108692171A (en) | 2018-05-10 | 2018-05-10 | Refueling device and pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108692171A true CN108692171A (en) | 2018-10-23 |
Family
ID=63846164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810441448.5A Pending CN108692171A (en) | 2018-05-10 | 2018-05-10 | Refueling device and pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108692171A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603503A (en) * | 2003-09-29 | 2005-04-06 | 兄弟工业株式会社 | Sewing device |
| CN203231059U (en) * | 2013-05-17 | 2013-10-09 | 中国石油天然气股份有限公司 | Lifting rope oil coating device of pumping unit |
| CN203517266U (en) * | 2013-11-07 | 2014-04-02 | 济南大学 | Piston-type lubricating device for lubricating steel wire rope of walking-beam pumping unit |
| CN204187250U (en) * | 2014-09-19 | 2015-03-04 | 隋爱妮 | Hair plait maintenance device for beam type pumping unit |
| CN204477661U (en) * | 2015-03-07 | 2015-07-15 | 李祥国 | A kind of pumping unit horsehead of Castor Oil hair plait |
| CN205778760U (en) * | 2016-05-27 | 2016-12-07 | 中国石油天然气股份有限公司 | Hair plait lubricating device of pumping unit |
| CN206036616U (en) * | 2016-08-26 | 2017-03-22 | 日照港股份有限公司第一港务分公司 | Electronic oiling station of wire rope |
-
2018
- 2018-05-10 CN CN201810441448.5A patent/CN108692171A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603503A (en) * | 2003-09-29 | 2005-04-06 | 兄弟工业株式会社 | Sewing device |
| CN203231059U (en) * | 2013-05-17 | 2013-10-09 | 中国石油天然气股份有限公司 | Lifting rope oil coating device of pumping unit |
| CN203517266U (en) * | 2013-11-07 | 2014-04-02 | 济南大学 | Piston-type lubricating device for lubricating steel wire rope of walking-beam pumping unit |
| CN204187250U (en) * | 2014-09-19 | 2015-03-04 | 隋爱妮 | Hair plait maintenance device for beam type pumping unit |
| CN204477661U (en) * | 2015-03-07 | 2015-07-15 | 李祥国 | A kind of pumping unit horsehead of Castor Oil hair plait |
| CN205778760U (en) * | 2016-05-27 | 2016-12-07 | 中国石油天然气股份有限公司 | Hair plait lubricating device of pumping unit |
| CN206036616U (en) * | 2016-08-26 | 2017-03-22 | 日照港股份有限公司第一港务分公司 | Electronic oiling station of wire rope |
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Application publication date: 20181023 |
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| WD01 | Invention patent application deemed withdrawn after publication |