CN108204385A - Discharge equipment - Google Patents
Discharge equipment Download PDFInfo
- Publication number
- CN108204385A CN108204385A CN201611177436.3A CN201611177436A CN108204385A CN 108204385 A CN108204385 A CN 108204385A CN 201611177436 A CN201611177436 A CN 201611177436A CN 108204385 A CN108204385 A CN 108204385A
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- China
- Prior art keywords
- discharge equipment
- oil
- cylinder block
- oil extraction
- sealing ring
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Actuator (AREA)
Abstract
The present invention relates to mechanical engineering fields, disclose a kind of discharge equipment, the discharge equipment includes oil extraction piston (30), the oil extraction piston (30) is inserted into cylinder block (10) and mobile along the interior sidewall surface (11) of the cylinder block (10), the oil extraction piston (30) has the partition portion (31) that the cylinder chamber of the cylinder block (10) can be divided into power cavity (12) and the oil-discharging cavity (13) of one end open, the cutting oil being attached in interior sidewall surface 11 is released so as to make opening of the partition portion (31) along interior sidewall surface (11) towards oil-discharging cavity (13) mobile using the motive force of power cavity (12), so as to which quickly and reliably residual oil body be excluded from cylinder block (10), so as to improve production efficiency, reduce production cost.
Description
Technical field
The present invention relates to mechanical engineering fields, and in particular, to a kind of discharge equipment.
Background technology
Oil cylinder is used heavily in all trades and professions, having greatly needs as the common driving unit of mechanical engineering field
The amount of asking.One of important process as processing oil cylinder scrapes rolling processing, due to needing that a large amount of cutting oil is used in process,
These cutting oil easily remain in inner wall of cylinder the waste for causing cutting oil.
The cylinder body of a usual 3 rice bran oil cylinders can be attached with 50 grams of cutting to left and right oil, 4 meters, 6 meters, 10 rice bran oil cylinders after processing
Adhesion amount bigger.As can cutting oil to residual carries out recycling, it can be cost-effective.Such as with 11 yuan/500 grams markets
Valency calculates cutting oil, and 2000 yuan or more of cost only can be just saved with monthly 2,000 3 rice bran oil cylinders calculating of production.In scale
In the modern plant of production, how to cut residual oil and carry out recycling as a urgent problem to be solved.
Although the cylinder body after processing can be placed on inclined bracket in the prior art, make to remain in oil cylinder using gravity
The cutting oil of inner wall slowly oozes, and focuses on and recycling is carried out in food tray.But the process is slow, it usually needs 2-12
Hour, and can not effectively ensure that cutting oil reliably excludes at all.In addition, the removal process needs are carried out when longer
It is interior to occupy larger place, it can not effectively meet the needs that scale quickly produces at all, not only make the production cycle elongated, and
And easily pollute workshop place.
Invention content
The object of the present invention is to provide a kind of discharge equipment, which can will be residual in the cylinder body for remaining in oil cylinder
Oil body is stayed quickly and reliably to exclude, to improve production efficiency, reduces production cost.
To achieve these goals, the present invention provides a kind of discharge equipment, which includes oil extraction piston, the oil extraction
Piston is inserted into cylinder block and is moved along the interior sidewall surface of the cylinder block, and the oil extraction piston has and can incite somebody to action
The cylinder chamber of the cylinder block is divided into the partition portion of power cavity and the oil-discharging cavity of one end open.
Preferably, which further includes oil extraction envelope gas lid, and oil extraction envelope gas lid includes envelope gas lid main part and air inlet
Portion, the side of the envelope gas lid main part can abut on one end end face of the cylinder block to close the power cavity, institute
Stating intake section has the air inlet that can be connect with external air source and connects to supply into the power cavity with the air inlet
Gas outlet.
Preferably, the gas lid main part include the first stepped part that the outer profile of shape and the cylinder block coordinates and
The second step ladder that the Internal periphery of shape and the cylinder block coordinates, the second step ladder are inserted into the power cavity
And be bonded with the interior sidewall surface, it is provided with to accommodate at least one close of sealing ring on the peripheral surface of the second step ladder
Sealing groove.
Preferably, the seal groove can be close to a seal groove of first stepped part or far from described first
Two seal grooves of stepped part；The sealing ring have bending part with can make a part for the sealing ring be contained in one it is close
In sealing groove, another part is contained in another seal groove, which is formed with pilot angle with the seal groove.
Preferably, the intake section includes the valve for being arranged on the air valve of the air inlet, the air valve being controlled to be opened and closed
Spanner and the suction nozzle for connecting the external air source；The air inlet is arranged on the peripheral surface of first stepped part, institute
The central portion that gas outlet is arranged on first stepped part is stated, the air inlet connected between the air inlet and the gas outlet is led to
Road is applied in first stepped part.
Preferably, the oil extraction envelope gas lid further includes abutting buffer part, which is arranged on the envelope gas lid master
On the opposite side in body portion.
Preferably, the oil extraction piston further includes sealing, which includes close for accommodating the front side of preceding sealing ring
Sealing groove and the rear side seal groove for accommodating deceleration seal circle.
Preferably, which is the cylinder coordinated with the interior sidewall surface, and from the partition portion to the power cavity
Extend, balance hole portion is offered on the cylinder.
Preferably, the predetermined decrement of the deceleration seal circle is more than the predetermined decrement of the preceding sealing ring.
Preferably, the partition portion is prominent portion towards being formed on the side of the oil-discharging cavity.
Through the above technical solutions, when oil extraction piston 30 is pushed and moved along interior sidewall surface towards opening by motive force,
The cutting oil being attached in interior sidewall surface 11 can be released, so as to will quickly and reliably remain oil body from 10 row of cylinder block
It removes, so as to improve production efficiency, reduces production cost.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention, but be not construed as limiting the invention together.In the accompanying drawings：
Fig. 1 is a kind of structure diagram of specific embodiment of discharge equipment of the present invention.
Fig. 2 is a kind of structure diagram of specific embodiment of oil extraction envelope gas lid 20 of the present invention.
Fig. 3 is the A-A sectional views of Fig. 2.
Fig. 4 is the structure diagram of another specific embodiment of oil extraction envelope gas lid 20 of the present invention.
Fig. 5 is the C direction views of Fig. 4.
Fig. 6 is the structure diagram of another specific embodiment of oil extraction envelope gas lid 20 of the present invention.
Fig. 7 is the B portions enlarged drawing of Fig. 6.
Fig. 8 is a kind of structure diagram of specific embodiment of oil extraction piston 30 of the present invention.
Fig. 9 is the structure diagram of another specific embodiment of oil extraction piston 30 of the present invention.
Reference sign
10 cylinder block, 11 interior sidewall surface
12 power cavity, 13 oil-discharging cavity
20 oil extractions envelope gas lid, 21 envelope gas lid main part
22 intake section, 23 air inlet
24 gas outlet, 25 seal groove
26 air valve, 27 tap wrench
28 suction nozzles 29 abut buffer part
211 first stepped part, 211 first stepped part
30 oil extraction piston, 31 partition portion
32 sealing, 33 front seal slot
34 rear side seal grooves 35 balance hole portion
36 protrude portion
40 sealing ring, 41 bending part
Sealing ring before 50
60 deceleration seal circles
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the case where not making to illustrate on the contrary, the noun of locality such as " upper and lower, left and right " used typically refers to
Upper and lower, left and right shown in refer to the attached drawing；" inside and outside " refers to the inside and outside of the profile relative to each component in itself.
The present invention provides a kind of discharge equipment, as shown in Figure 1, the discharge equipment includes oil extraction piston 30, the oil extraction piston
30 are inserted into cylinder block 10 and are moved along the interior sidewall surface 11 of cylinder block 10, and oil extraction piston 30 has can will be oily
The cylinder chamber of cylinder cylinder body 10 is divided into the partition portion 31 of power cavity 12 and the oil-discharging cavity of one end open 13.When oil extraction piston 30 is pushed away
Power push and along interior sidewall surface towards opening move when, the cutting oil being attached in interior sidewall surface 11 can be released, thus
Quickly and reliably residual oil body is excluded from cylinder block 10.The partition portion 31 can form the plate body with one fixed width,
Even if with being continuously increased for length is pushed, push away oil mass and increase, also still ensure that the oil body of oil-discharging cavity 13 does not interfere with
Through the power cavity for carrying out oil extraction.In addition, the oil extraction piston 30 can apply a degree of pressure relative to interior sidewall surface 11, from
And ensure to be formed with equably oil film in interior sidewall surface 11, and make cylinder block 10 that there is stable rustless property.
For that can be various to pushing the power of the oil extraction piston, since the length of cylinder block 10 is longer, in order to have
Effect reliably carries out the transmission of power, preferably the discharge equipment further include oil extraction envelope gas lid 20 so that power cavity formed closed air chamber with
Partition portion 31 is pushed to opening using the gas poured.
As shown in Figure 2 and Figure 7, oil extraction envelope gas lid 20 includes envelope gas lid main part 21 and intake section 22, envelope gas lid master
The side in body portion 21 can be abutted on one end end face of cylinder block 10 with closed power chamber 12, and intake section 22 has can be with
The air inlet 23 and the gas outlet 24 to be supplied into the power cavity 12 is connected with air inlet 23 that external air source connects.
Based on the above technical solution, gas lid main part 21 includes shape and the outer profile cooperation of cylinder block 10
The second step ladder 212 that the Internal periphery of first stepped part 211 and shape and cylinder block 10 coordinates, 212 energy of second step ladder
It is enough inserted into power cavity 12 and is bonded with interior sidewall surface 11, is provided on the peripheral surface of second step ladder 212 close for accommodating
At least one seal groove 25 of seal 40.
The set-up mode of seal groove 25 can be a variety of, preferably as shown in fig. 6, seal groove 25 can be close to the first ladder
One seal groove in portion 211.Sealing ring 40 can be more than the internal diameter of cylinder block 10 from the overhang of seal groove 25 at this time, pass through
The central diameter of sealing ring 40 as indicated in figure 7, which is not sealed, is sealed the opening of power cavity 12.Due to the end of cylinder block 10
Mouth (opening) is usually provided with chamfering, therefore, even if sealing ring 40 is not completely concentric with cylinder block 10, still also is able to effectively
It is sealed.
As another middle preferred embodiment of the present invention, as shown in Fig. 2, seal groove 25 is far from first stepped part
211 two seal grooves can neatly select to use one or two sealing rings at this time according to required air pressure level
40。
In addition, as shown in figure 4, there is sealing ring 40 bending part 41 part for sealing ring 40 can be made to be contained in one
In seal groove, another part is contained in another seal groove, which is formed with pilot angle with the seal groove 25, so as to
It can allow the operator to that more easily oil extraction envelope gas lid 20 is pushed into cylinder block 10.
Intake section 22 can be formed as various, such as the stomata being applied in gas lid main part 21, as long as it can be completed
Progress.The present invention provides a kind of preferred embodiment, as shown in figure 3, intake section 22 includes the gas for being arranged on air inlet 23
Valve 26, the tap wrench 27 that can control air valve opening and closing and the suction nozzle 28 for connecting external air source, utilize above-mentioned air inlet
Portion 22 can utilize and is easily attached with external air source.For example, suction nozzle 28 can be 1/2 inch of the fast quick access of tracheae
Head so as to quickly and easily connect the tracheae of external air source, makes endotracheal pressure be easily held in 0.4-0.6MPa.
In addition, air inlet 23 and gas outlet 24 can be arranged on any position on gas lid main part 21, preferably such as Fig. 3,
Shown in Fig. 5, Fig. 6, air inlet 23 is arranged on the peripheral surface of the first stepped part 211, and gas outlet 24 is arranged on the first stepped part 211
Central portion connects the inlet channel between air inlet 23 and gas outlet 24 and is applied in the first stepped part 211, so as to have
Effect ground ensures that gas is equably full of power cavity 12.
The opposite side of oil extraction envelope gas lid 20 can be scraped roller-head using machine tool chief axis and resist to prevent air pressure from oil extraction is sealed gas
Lid 20 ejects.It is preferred that oil extraction envelope gas lid 20 further includes and abuts buffer part 25, which can be that rubber pad etc. is various.
It is preferred that as shown in Fig. 2, Fig. 4, Fig. 6, which is the pressure bullet being arranged on the opposite side of envelope gas lid main part 21
Spring, from the excessive damage of power avoided for abutting on oil extraction envelope gas lid 20.
Based on the above technical solution, as shown in figure 8, oil extraction piston 30 further includes sealing 32, the sealing 32
Rear side seal groove 34 including the front seal slot 33 for being used to accommodate preceding sealing ring 50 and for accommodating deceleration seal circle 60.Due to
Sealing 32 have front and rear two at sealing ring, accordingly ensure that oil extraction piston 30 can 10 contact point of cylinder block more disperse, from
And oil extraction piston 30 is enable unchangeably to be moved in cylinder block 10.Sealing 32 can be formed as one with partition portion 31,
The cylinder being namely formed wide so as to.
Front seal slot 33 and rear side seal groove 34 can be made of a plurality of slot, for example, as shown in figure 9, rear side seal groove
34 have two bar grooves so as to set there are two deceleration seal circle, to enhance slowing effect, prevent because as oil extraction piston 30
Size there is error, and make decrement insufficient, the problem of obturation effect is bad occurs.In addition, it can be used as adapting to different
Process the application means of the cylinder block 10 of work difference.
In order to mitigate the weight of oil extraction piston, the preferably sealing 32 is the cylinder coordinated with the interior sidewall surface 11, and
Extend from partition portion 31 to power cavity 12.Specifically, it is provided with front seal on the circumferential surface of close 31 side of partition portion of cylinder
Slot 33 is provided with rear side seal groove 34 on the circumferential surface of the opposite side of the cylinder.The balance hole portion 35 is configured from front seal
Slot 33 is relatively near, which can be through the various holes of cylinder peripheral wall, including slotted hole, circular hole, square hole or even abnormity
Hole.
In the above-mentioned technical solutions, oil extraction piston 30 can be a variety of materials, and preferably nylon material is oily to prevent from scratching
Cylinder cylinder body 10.In addition, sealing ring 40, preceding sealing ring 50, deceleration seal circle 60 are capable of the rubber seal of standard model.
Based on the above technical solution, make the preposition sealing ring 33 of oil extraction piston 30 relative in cylinder block 10
Diameter protrudes, and has certain predetermined decrement entering cylinder block 10, so as to ensure the good airproof performance of air pressure.In addition,
It is preferred that the predetermined decrement of deceleration seal circle 60 is more than the predetermined decrement of preceding sealing ring 50, so as to reliably ensure oil extraction piston
30 with the frictional force of interior sidewall surface 11, oil extraction piston 30 can be enable slowly to be pushed into due to the inhibition of the frictional force
To be covered with have residual fluid cylinder block 10 in, ensureing the residual fluid of opening of power cavity 12 can also be pushed away well
Go out.
In addition, the mode of predetermined decrement that the predetermined decrement of deceleration seal circle 60 is more than preceding sealing ring 50 is enable to have
It is a variety of, such as using similary model sealing ring as preceding sealing ring 50 and deceleration seal circle 60, make the depth of rear side seal groove 34
It is shallower than front seal slot 33, rear side seal groove 34 and 33 depth of front seal slot can also be set as identical, and utilizes
Different model sealing ring.
Based on the above technical solution, partition portion 31 is prominent portion towards being formed on the side of oil-discharging cavity 13
36, which can be formed as variously-shaped portion 36, and only its person easy to operation holds or tool clamps.It is preferred that
Be formed as inverted stepped round platform as depicted.
It briefly describes below, the application method of discharge equipment of the present invention.First, oil extraction piston 30 is tucked into oil cylinder
In the opening of 12 side of power cavity of cylinder body 10, then oil sealing gas lid 20 is tucked into the opening of 12 side of power cavity of cylinder block 10
In.Roller-head etc., which is scraped, using the main shaft of lathe resists abutting buffer part 25, then the tracheae of external air source is connected on suction nozzle 28,
Pulling valve spanner 27 opens air valve 26 so that extraneous gas is punched into power cavity 12, pushes oil extraction piston 30 towards oil extraction
The opening movement of chamber 13 most is pushed the residual oil body for being attached to interior sidewall surface 11 to until move to opening
The other end.More 15 ms/min or so of the movement velocity, the speed are the inertia as possessed by aeration speed and oil extraction piston 30
The correlations such as quality and the viscosity of cutting oil.
When oil extraction piston 30 moves to the opening of oil-discharging cavity 13, front seal slot 33 is first protruded from opening, Zhi Houshe
It puts the balance hole portion 35 at 33 rear of front seal slot also from oil-discharging cavity 13 to expose, at this point, power cavity 12 passes through the balance hole portion
35 connect with outer gas, and the gas leakage in chamber 12 of taking offence, the movement velocity of oil extraction piston 30 slows down or even stops, will not be from oil cylinder
The opening of cylinder body 10 is gone out.Portion 36 is pulled out oil extraction piston 30 by prominent.
Above-mentioned all processes can be completed on lathe, in this way on the basis of existing oil cylinder procedure of processing, as long as
After machining, by discharge equipment of the present invention using the main shaft of lathe scrape roller-head setting carry out oil extraction after, enter from
It is unloaded on lathe and is transported to next process.In this way, reliably promptly oil extraction is not only able to, and the oil discharged directly arrives
Lathe oil sump can be recycled easily.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of discharge equipment, which is characterized in that the discharge equipment includes oil extraction piston (30), which can insert
Enter into cylinder block (10) and mobile along the interior sidewall surface (11) of the cylinder block (10), the oil extraction piston (30) has
The cylinder chamber of the cylinder block (10) can be divided into the partition portion of power cavity (12) and the oil-discharging cavity (13) of one end open
(31)。
2. discharge equipment according to claim 1, which is characterized in that the discharge equipment further includes oil extraction envelope gas lid (20),
Oil extraction envelope gas lid (20) includes envelope gas lid main part (21) and intake section (22), and the side of the envelope gas lid main part (21) can
It abuts to close the power cavity (12) on one end end face of the cylinder block (10), the intake section (22) has can
It the air inlet (23) that connect with external air source and connects going out with what is supplied into the power cavity (12) with the air inlet (23)
Gas port (24).
3. discharge equipment according to claim 2, which is characterized in that the gas lid main part (21) including shape with it is described
The first stepped part (211) and shape and the Internal periphery of the cylinder block (10) of the outer profile cooperation of cylinder block (10) coordinate
Second step ladder (212), the second step ladder (212) be inserted into the power cavity (12) and with the interior sidewall surface
(11) it is bonded, at least one sealing for accommodating sealing ring (40) is provided on the peripheral surface of the second step ladder (212)
Slot (25).
4. discharge equipment according to claim 3, which is characterized in that the seal groove (25) can be close to described first
One seal groove of stepped part (211) or two seal grooves far from first stepped part (211)；
The sealing ring (40) has bending part so that a part for the sealing ring (40) can be made to be contained in a seal groove,
Another part is contained in another seal groove, which is formed with pilot angle with the seal groove (25).
5. discharge equipment according to claim 2, which is characterized in that the intake section (22) is including being arranged on the air inlet
The air valve (26) of mouth (23), the tap wrench (27) that air valve opening and closing can be controlled and the air inlet for connecting the external air source
Mouth (28)；
The air inlet (23) is arranged on the peripheral surface of first stepped part (211), and the gas outlet (24) is arranged on described
The central portion of first stepped part (211), the inlet channel connected between the air inlet (23) and the gas outlet (24) pass through
It is through in first stepped part (211).
6. discharge equipment according to claim 2, which is characterized in that the oil extraction envelope gas lid (20) further includes abutting buffering
Portion (25), the abutting buffer part (25) are arranged on the opposite side of the envelope gas lid main part (21).
7. according to the discharge equipment described in any one in claim 1-6, which is characterized in that the oil extraction piston (30) is also wrapped
Sealing (32) is included, the sealing (32) is including being used to accommodate the front seal slot (33) of preceding sealing ring (50) and subtracting for accommodating
The rear side seal groove (34) of fast sealing ring (60).
8. discharge equipment according to claim 7, which is characterized in that the sealing (32) be and the interior sidewall surface (11)
The cylinder of cooperation, and extend from the partition portion (31) to the power cavity (12), offer balance hole portion on the cylinder
(35)。
9. discharge equipment according to claim 7, which is characterized in that the predetermined decrement of the deceleration seal circle (60) is big
In the predetermined decrement of the preceding sealing ring (50).
10. discharge equipment according to claim 7, which is characterized in that the partition portion (31) towards the oil-discharging cavity
(13) it is formed on side prominent portion (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611177436.3A CN108204385B (en) | 2016-12-19 | 2016-12-19 | Oil discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611177436.3A CN108204385B (en) | 2016-12-19 | 2016-12-19 | Oil discharge device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108204385A true CN108204385A (en) | 2018-06-26 |
| CN108204385B CN108204385B (en) | 2019-12-31 |
Family
ID=62601520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611177436.3A Active CN108204385B (en) | 2016-12-19 | 2016-12-19 | Oil discharge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108204385B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1711427A (en) * | 2002-11-12 | 2005-12-21 | 挪威国立奥伊威尔有限公司 | Draining of oil leak in a hydraulic cylinder |
| CN203044439U (en) * | 2013-01-23 | 2013-07-10 | 湖南特力液压有限公司 | Piston cylinder body cleaning device |
| CN203272322U (en) * | 2013-04-22 | 2013-11-06 | 李柏亿 | Oil pressure cylinder |
| CN103753347A (en) * | 2013-09-26 | 2014-04-30 | 湖南特力液压有限公司 | Inner holes liquid removing device and inner hole machining device |
| KR101491422B1 (en) * | 2014-09-16 | 2015-02-06 | 정세현 | Tool holder with oil housing |
| CN205021286U (en) * | 2015-09-15 | 2016-02-10 | 沈阳飞机工业（集团）有限公司 | Cutting oil recovery device |
-
2016
- 2016-12-19 CN CN201611177436.3A patent/CN108204385B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1711427A (en) * | 2002-11-12 | 2005-12-21 | 挪威国立奥伊威尔有限公司 | Draining of oil leak in a hydraulic cylinder |
| CN203044439U (en) * | 2013-01-23 | 2013-07-10 | 湖南特力液压有限公司 | Piston cylinder body cleaning device |
| CN203272322U (en) * | 2013-04-22 | 2013-11-06 | 李柏亿 | Oil pressure cylinder |
| CN103753347A (en) * | 2013-09-26 | 2014-04-30 | 湖南特力液压有限公司 | Inner holes liquid removing device and inner hole machining device |
| KR101491422B1 (en) * | 2014-09-16 | 2015-02-06 | 정세현 | Tool holder with oil housing |
| CN205021286U (en) * | 2015-09-15 | 2016-02-10 | 沈阳飞机工业（集团）有限公司 | Cutting oil recovery device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108204385B (en) | 2019-12-31 |
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