CN104882818B - Replace the hydraulic device of insulator instrument - Google Patents
Replace the hydraulic device of insulator instrument Download PDFInfo
- Publication number
- CN104882818B CN104882818B CN201510225123.XA CN201510225123A CN104882818B CN 104882818 B CN104882818 B CN 104882818B CN 201510225123 A CN201510225123 A CN 201510225123A CN 104882818 B CN104882818 B CN 104882818B
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- oil
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- 239000012212 insulator Substances 0.000 title claims abstract description 26
- 239000002828 fuel tank Substances 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 230000005484 gravity Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 54
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
Classifications
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Actuator (AREA)
- Safety Valves (AREA)
- Check Valves (AREA)
Abstract
A kind of hydraulic device for replacing insulator instrument, cylinder body is by front-bank rotor housing, outer barrel and rear-bank rotor housing composition, inner cylinder is equipped with outer barrel, it is interior, annular fuel tank is formed between outer barrel, inner cylinder is divided into ante-chamber and back cavity by piston, annular fuel tank is communicated by rear-bank rotor housing oil duct and back cavity, in back cavity and in being equipped with main buckle between rear-bank rotor housing and piston, front-bank rotor housing is equipped with pressure oil passage, suction passage, drainback passage and pressure release passage, pressure oil passage links up the pump housing chamber and ante-chamber of stirrup pump, suction passage links up the pump housing chamber of stirrup pump and annular fuel tank, drainback passage leads to ante-chamber, pressure release passage leads to annular fuel tank, pressure oil check valve and oil sucting one-way valve are respectively equipped with pressure oil passage and suction passage, one-way throttle valve is equipped between drainback passage and pressure release passage.The present invention it is compact-sized, simple and easy to operate, the flow of oil return is automatically controlled using the one-way throttle valve of gap throttle style, can slow pressure release, realize hydraulic device stroke fine setting.
Description
Present patent application be number of patent application be 201210392412.5, the applying date be 16 day, of October in 2012
The referred to as divisional application of the application for a patent for invention of " hydraulic device for being used for insulator replacement tool ".
Technical field
The present invention relates to the hydraulic device for replacing insulator instrument.
Background technology
In aerial high-voltage power transmission line, steel tower both sides high-voltage conducting wires are tensioned by insulator chain and are insulated, insulator chain
Aged deterioration occurs in long-time service, need to replace in time, otherwise can influence high voltage power transmission and safety.The insulator used at present
Replacement instrument has two pairs of clamp force devices and is connected to the two fixtures composition of two pairs of clamp force device front and back ends.Insulator chain is pressed from both sides
Hold between two fixtures, clamp force device drives screw to shrink by worm drive, the tensile force transfer that conducting wire applies insulator chain
Onto two pairs of clamp force devices, insulator chain relaxation, can so dismantle insulator chain.Chinese Authorization Notice No. is CN
101174761B（Application number 200710092913.0）, denomination of invention be " to be revolved on high-voltage power line tension insulator string powered
Disclose a kind of two yoke plate device in the patent of invention of replacing options ", two yoke plate device is insulator replacement tool, two yoke plates
Device includes two wing cards, two leading screws and two secondary insulation pulling plates, one end of two secondary insulation pulling plates respectively with wing card both wings
It is connected, the other end is connected with a leading screw respectively, and two leading screw other ends are connected with another wing card both wings respectively.Insulation pulling plate
Pipe nipple is equipped between wing card, insulation pulling plate junction is provided with connecting hole, and hole is bolted and is connected with wing card.Absolutely
For edge replacement instrument in use, need to bear the tensile force in circuit, the rotation of screw needs very big moment of torsion, at present screw
Rotation is all that manually, operation is laborious and inconvenient, so being currently being deployed a kind of replacing insulator with hydraulic device
Instrument.Insulator replacement tool is altitude effect instrument, it is desirable to applies the hydraulic device operation side on insulator replacement tool
Just, currently without suitable hydraulic device.
The content of the invention
It is an object of the invention to propose a kind of compact-sized, simple and easy to operate hydraulic pressure for replacing insulator instrument
Device.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：The present invention includes cylinder body, the work being arranged in cylinder body
Plug and stirrup pump, cylinder body are made of front-bank rotor housing, outer barrel and rear-bank rotor housing, and the pump housing of stirrup pump is connected on front-bank rotor housing, outer barrel
Inner cylinder is equipped with vivo, annular fuel tank is formed between inside and outside cylinder, and inner cylinder is divided into ante-chamber and back cavity, annular fuel tank by piston
Communicated by rear-bank rotor housing oil duct and back cavity, front-bank rotor housing is equipped with pressure oil passage and suction passage, in pressure oil passage and suction passage
Pressure oil check valve and oil sucting one-way valve are respectively equipped with, pressure oil passage links up the pump housing chamber and ante-chamber of stirrup pump, and back cavity is interior and is in
Main buckle is equipped between rear-bank rotor housing and piston, suction passage is linked up the pump housing chamber of stirrup pump and annular fuel tank, also set on front-bank rotor housing
There are drainback passage and pressure release passage, pressure release passage and drainback passage connect at a right angle, and drainback passage leads to ante-chamber, and pressure release passage leads to
To annular fuel tank；It is in drainback passage and the position of pressure release passage boundary is equipped with throttling valve chamber, the upper end for the valve chamber that throttles is opened
Mouthful, one-way throttle valve is equipped with the valve chamber that throttles, one-way throttle valve includes adjustable using gap throttle style, one-way throttle valve
Valve rod, spool and No. III steel ball below spool, adjustable valve rod is from the opening insertion for the valve chamber that throttles, its lower end is supported and valve
Core, is equipped with gap between spool and surrounding cavity wall, form annular gap, and the lower end of the valve chamber that throttles is valve port, and No. III steel ball is by can
The pressure that valve rod is given by spool is adjusted to get lodged at the valve port of throttling valve chamber, when the pressure of the annular gap of spool surrounding is in not
During equilibrium state, spool is in quick condition, and close to the aperture of pressure release passage, pressure release passage is kept off to be even switched off spool, is caused
Annular gap promotes spool to be moved to opposite side, pressure release passage reopens, between annular close to the pressure increase at pressure release passage
Gap reduces close to the pressure at pressure release passage, and spool is then shifted at the aperture of pressure release passage, completes in cycles between automatically adjusting
The oil spillage of gap；Limited block is fixed with the rear-bank rotor housing, limited block oilhole and rear-bank rotor housing oil duct communicate.
Be equipped with pressure oil valve chamber in pressure oil passage, the upper end of pressure oil valve chamber is valve port, pressure oil check valve include No. I steel ball and
Small pressure spring, No. I steel ball are got lodged in the valve port of pressure oil valve chamber by small pressure spring support.
The two-stage valve port that the valve port of pressure oil valve chamber is formed for compacting, is combined by the tubaeform valve port of higher level's cylindricality valve port and subordinate
Form.
Oil suction valve chamber is equipped with suction passage, the lower end of oil suction valve chamber is valve port, and oil sucting one-way valve includes No. II steel ball,
No. II steel ball is got lodged at the valve port of oil suction valve chamber by gravity.
The two-stage valve port that the valve port of oil suction valve chamber is formed for compacting, is combined by the tubaeform valve port of higher level and subordinate's cylindricality valve port
Form.
Throttle the two-stage valve port that the valve port of valve chamber is formed for compacting, is combined by the tubaeform valve port of higher level and subordinate's cylindricality valve port
Form.
The present invention has following good effect：1. a hydraulic device is used as annular oil by the use of the gap between inside and outside cylinder
Case, using compression spring to piston reset, this hydraulic device overall structure is compact simple, small, facilitates altitude effect.A 2. liquid
Pressure device automatically controls the flow of oil return using the one-way throttle valve of gap throttle style, can slow pressure release, realize that hydraulic pressure fills
The stroke fine setting put, and Quick Depressurization can be realized again, it is convenient to be provided for operation, and the one-way throttle valve arrangement of gap throttle style
Simply, it is easy to process.3. the valve port of oil suction valve chamber, pressure oil valve chamber and the valve chamber that throttles is the two-stage valve port that compacting is formed, at valve port
Material structure it is especially close, be avoided that steel ball because to the damage caused by the shock of valve port, extending hydraulic device after release of pressure
Service life.
Brief description of the drawings
Fig. 1 is the topology view of the present invention.
Fig. 2 is the C direction views of Fig. 1（It is local）.
Fig. 3 is cylinder body fork and is bolted figure.
Fig. 4 is the schematic diagram of the spool of one-way throttle valve in the state of the equilibrium.
Fig. 5 is schematic diagram of the spool of one-way throttle valve under non-equilibrium state.
Fig. 6 is the A-A sectional views of Fig. 2.
Fig. 7 is the B-B sectional views of Fig. 2.
Fig. 8 is application drawing.
Embodiment
Embodiment 1
Hydraulic device shown in Fig. 1, Fig. 2, Fig. 6 and Fig. 7 includes cylinder body, the piston 5 being arranged in cylinder body and is fixed on work
Piston rod 4 and stirrup pump on plug 5.Piston rod 4 is fixedly connected by horned nut 10 with piston 5.Stretch one end of piston rod 4
Go out cylinder body, the extension of piston rod is processed into screw 4-1, or is fixedly connected with a screw 4-1.
Cylinder body is made of front-bank rotor housing 1, outer barrel 2 and rear-bank rotor housing 8, is equipped with inner cylinder 3 in outer barrel, inside and outside cylinder 3,2 it
Between form annular fuel tank a, inner cylinder is divided into ante-chamber b and back cavity c by piston 5, in back cavity c and between rear-bank rotor housing 8 and piston 5
Equipped with main buckle 6, limited block 7 is threaded with rear-bank rotor housing 8, limited block 7 is to 5 laggard sports limiting of piston.Set on limited block 7
There are limited block oilhole 7-1, annular fuel tank a to be communicated by rear-bank rotor housing oil duct d, limited block oilhole 7-1 and back cavity c.Set on front-bank rotor housing 1
There are pressure oil passage e, suction passage f, drainback passage g and pressure release passage h, pressure oil passage e links up the pump housing chamber i and ante-chamber of stirrup pump
B, suction passage f link up the pump housing chamber i of stirrup pump and annular fuel tank a, pressure release passage h and drainback passage g are connected at a right angle, oil return
Passage g leads to ante-chamber b, and pressure release passage h leads to annular fuel tank a.Pressure oil list is respectively equipped with pressure oil passage e and suction passage f
To valve 15 and oil sucting one-way valve 16, one-way throttle valve 17 is equipped between drainback passage g and pressure release passage h.
The enlarged portion that diameter is more than pressure oil passage diameter is equipped with pressure oil passage e, enlarged portion is as pressure oil valve chamber e-1, pressure
The upper end of fuel tap chamber e-1 is valve port, and pressure oil check valve 15 includes No. I steel ball 15-1 and small pressure spring 15-2, and No. I steel ball 15-1 is by small
Compression spring 15-2 supports are got lodged at the valve port of pressure oil valve chamber e-1.For convenience of the installation of small pressure spring 15-2, pressure oil valve chamber e-1 is in and leans on
The nearby bottom surface of cylinder body 1, the bottom surface of front-bank rotor housing 1 correspond to pressure oil valve chamber e-1 and are equipped with bolt hole, and a bolt 15- is installed in bolt hole
The end face of 3, bolt 15-3 are equipped with compression spring hole, and the lower part of small pressure spring 15-2 is placed in compression spring hole.The valve port of pressure oil valve chamber e-1 is
The two-stage valve port e-2 formed is suppressed, is combined into by higher level cylindricality valve port e-22 and the tubaeform valve port e-21 of subordinate.
The enlarged portion that diameter is more than suction passage diameter is equipped with the top of suction passage f, enlarged portion is as oil suction valve chamber
The lower end of f-1, oil suction valve chamber f-1 are valve port, and oil sucting one-way valve 16 relies on gravity including No. II steel ball 16-1, No. II steel ball 16-1
Get lodged at the valve port of oil suction valve chamber f-1.The two-stage valve port f-2 that the valve port of oil suction valve chamber f-1 is formed for compacting, is that higher level is tubaeform
The combination of valve port f-21 and subordinate cylindricality valve port f-22.
It is in drainback passage g and the position of pressure release passage h boundaries is equipped with the expansion that diameter is more than drainback passage diameter
Portion, as throttling valve chamber g-1, the upper end opening of throttling valve chamber g-1, is arranged on described unidirectional in throttling valve chamber g-1 enlarged portion
For throttle valve 17 using gap throttle style, one-way throttle valve 17 includes adjustable valve rod 17-1, spool 17-2, in spool
No. III steel ball 17-3 and swivel nut 17-4 and pressure release handle 17-5 below 17-2.Swivel nut 17-4 is threaded in throttling valve chamber g-
1 openend, adjustable valve rod 17-1 are stretched into throttling valve chamber g-1 by swivel nut 17-4, and the lower end of adjustable valve rod 17-1 is supported and valve
Core 17-2, adjustable valve rod 17-1 and swivel nut 17-4 threaded connection, pressure release handle 17-5 are connected on adjustable valve rod 17-1.Pressure release is led to
The aperture of road h and spool 17-2 are corresponded to, and gap is equipped between spool 17-2 and surrounding cavity wall, form annular gap g-3.Throttle valve
The lower end of chamber g-1 is valve port, and No. III steel ball 17-3 gets lodged in throttle valve by adjustable valve rod 17-1 by the spool 17-2 pressure given
At the valve port of chamber g-1.Throttle the two-stage valve port g-2 that the valve port of valve chamber g-1 is formed for compacting, by the tubaeform valve port g-21 of higher level and
Subordinate cylindricality valve port g-22 is combined into.
The two-stage valve port e-2 of above-mentioned pressure oil valve chamber e-1, the two-stage valve port f-2 of oil suction valve chamber f-1 and throttling valve chamber g-1's
Two-stage valve port g-2 applies the coercive method, and comprises the following steps that, takes with an equal amount of steel ball of valve chamber diameter to adding at valve port
Pressure, forms tubaeform at valve port, and channel part connect at this time with valve chamber deforms upon, and inner wall bloats, then takes straight with passage
Footpath is identical or steel ball slightly larger than channel diameter gives deformations pressure, forms cylindricality valve port.Since two-stage valve port is compacting shape
Into, so material structure is tight, steel ball shock can be born.
Sucker rod 12 is equipped with the pump housing chamber i of the stirrup pump, the lower end of the pump housing 11 is connected to the pump of front-bank rotor housing 1
In body mounting hole, rocking arm 13 is hinged with the stent 1-1 of 1 outer wall of front-bank rotor housing, the upper end of rocking arm 13 is hinged with rocker head 14, shakes
Handle 14-1 is connected with arm head 14, the middle part that the pump housing 11 is hinged on rocker head 14 is stretched out in the upper end of sucker rod 12, this is hinged
Point is used as fulcrum.
The rear portion of cylinder body is fork 9, and the fork 9 of cylinder body is used to connect with the fixture of insulator replacement tool.Cylinder body
Fork 9 there is a pair of of engaging lug 9-1,9-1, engaging lug is equipped with bolt hole, wherein the bolt hole of an engaging lug is ladder
Hole, the diameter holes 9-a of stepped hole are threaded hole, and the large diameter hole 9-b of stepped hole is that the bolt hole 9-c on another engaging lug extends
Unthreaded hole.The bolt of cylinder body fork 9 connects Fig. 4, due to the same center line of bolt hole on two engaging lugs, is connected to two engaging lugs
Between bolt 22 will not glance off, the thread segment of the bolt 22 of use is inside contracted in the stepped hole of engaging lug, both can guarantee that
The shear strength of bolt, and will not be to causing to damage by bolted component between two engaging lugs.
Piston rod 4 is to stretch out to the present invention under normal conditions, and pressure release handle 17-5 is locking, when the handle for pushing stirrup pump
14-1, sucker rod 12 push, and No. I steel ball 15-1 departs from the valve port of oil suction valve chamber f-1, and pressure oil check valve 15 is opened, pump housing chamber i
Interior hydraulic oil enters ante-chamber b by pressure oil passage e, and promotion piston 5 is laggard, and piston rod 4 inside contracts, and the hydraulic oil in back cavity c returns
The annular fuel tank a of stream.As the handle 14-1 for above carrying stirrup pump, pressure oil check valve 15 is closed, and pump housing chamber i and oil suction valve chamber f-1 are formed
Negative pressure, No. II steel ball 16-1 depart from the valve port of oil suction valve chamber f-1, and oil sucting one-way valve 16 is opened, and the hydraulic oil in annular fuel tank a leads to
Cross suction passage f and enter pump housing chamber i, in cycles, piston 5 is progressively laggard to arrive required position.
In use, such as the laggard phenomenon for having " mistake " of piston 5, pressure release handle 17-5 is slightly unclamped, acts on list at this time
Reduce to the pressure on 17 spool 17-2 of throttle valve, No. III steel ball 17-3 is by open-top release of pressure.One-way throttle valve 17 is being closed
Under state, the pressure of the annular gap g-3 of spool 17-2 surroundings is in equilibrium state（See Fig. 4）Once release of pressure, spool 17-2 tetra-
The pressure of the annular gap g-3 in week would be at non-equilibrium state（See Fig. 5）, spool 17-2 is in quick condition, such as spool 17-
2 close to the aperture of pressure release passage h, and pressure release passage h, which is kept off, to be even switched off, and causes annular gap g-3 close to the pressure at pressure release passage h
Power increases, and promotes spool 17-2 to be moved to opposite side, and at this moment pressure release passage h is reopened, and annular gap g-3 is close to pressure release passage
Pressure at h reduces, and spool 17-2 is shifted at the aperture of pressure release passage h, completes the oil spillage in automatic adjustment gap in cycles.
Hydraulic oil in ante-chamber b enters annular fuel tank a through drainback passage g, pressure release passage h.Due to being small flow, main buckle 6, which promotes, lives
Plug 5 is advanced slowly, and realizes the stroke fine setting of hydraulic device.
Pressure release handle 17-5 is released to a certain extent, and pressure release handle 17-5 rises the sky to the upward activities of spool 17-2
Between, it is not blocked when spool 17-2 is raised to certain altitude, the aperture of pressure release passage h by oil pressure, can realizes Quick Depressurization.
Fig. 8 applies the schematic diagram on insulator replacement tool clamp force device for this hydraulic device, and the screw 4-1 of piston rod leads to
Cross double end swivel nut 19 and connect an independent screw 20, the middle part of swivel nut 20 is connected with spanner 18, is connected on the termination of independent screw 20
One forked element 21.Clamp force device with this hydraulic device, rotates double end swivel nut 19 first with spanner 18 and adjusts stroke, for pre-
Unnecessary stroke is absorbed, then effective impulse stroke is provided by hydraulic device, both make use of leading screw in non-stress and slight stress
Portability, and utilize hydraulic device realize with less operating force complete nominal operating duty when clamp force operation, operation save
Power is convenient.
Claims (6)
1. a kind of hydraulic device for replacing insulator instrument, including cylinder body, the piston that is arranged in cylinder body（5）And stirrup pump, cylinder
Body is by front-bank rotor housing（1）, outer barrel（2）And rear-bank rotor housing（8）Composition, the pump housing of stirrup pump（11）It is connected to front-bank rotor housing（1）On, outer barrel
It is equipped with inner cylinder in vivo（3）, inside and outside cylinder（3、2）Between form annular fuel tank（a）, piston（5）Inner cylinder is divided into ante-chamber
（b）And back cavity（c）, annular fuel tank（a）Pass through rear-bank rotor housing oil duct（d）And back cavity（c）Communicate, front-bank rotor housing（1）Lead to equipped with pressure oil
Road（e）And suction passage（f）, in pressure oil passage（e）And suction passage（f）In be respectively equipped with pressure oil check valve（15）With oil suction list
To valve（16）, pressure oil passage（e）Link up the pump housing chamber of stirrup pump（i）And ante-chamber（b）, it is characterised in that：Back cavity（c）It is interior and be in
Rear-bank rotor housing（8）And piston（5）Between be equipped with main buckle（6）, suction passage（f）Link up the pump housing chamber of stirrup pump（i）With annular oil
Case（a）, front-bank rotor housing（1）On be additionally provided with drainback passage（g）And pressure release passage（h）, pressure release passage（h）And drainback passage（g）Cheng Zhi
Angle connects, drainback passage（g）Lead to ante-chamber（b）, pressure release passage（h）Lead to annular fuel tank（a）, in drainback passage（g）In be in
And pressure release passage（h）The position of boundary is equipped with throttling valve chamber（g-1）, throttle valve chamber（g-1）Upper end opening, throttle valve chamber（g-
1）In be equipped with one-way throttle valve（17）, one-way throttle valve（17）Using gap throttle style, one-way throttle valve（17）Including
Adjustable valve rod（17-1）, spool（17-2）With in spool（17-2）No. III steel ball of lower section（17-3）, adjustable valve rod（17-1）
From throttling valve chamber（g-1）Opening insertion, its lower end is supported and spool（17-2）, spool（17-2）Between being around equipped between cavity wall
Gap, forms annular gap（g-3）, throttle valve chamber（g-1）Lower end be valve port, No. III steel ball（17-3）By adjustable valve rod（17-1）
Pass through spool（17-2）The pressure given gets lodged in throttling valve chamber（g-1）Valve port at, work as spool（17-2）The annular gap of surrounding
（g-3）Pressure when being in non-equilibrium state, spool（17-2）In quick condition, spool（17-2）Close to pressure release passage（h）
Aperture, pressure release passage（h）It is even switched off by gear, causes annular gap（g-3）Close to pressure release passage（h）The pressure increase at place,
Promote spool（17-2）Moved to opposite side, pressure release passage（h）Reopen, annular gap（g-3）Close to pressure release passage（h）Place
Pressure reduce, spool（17-2）Then shift to pressure release passage（h）Aperture at, in cycles complete automatic adjustment gap oil spilling
Amount；The rear-bank rotor housing（8）On be fixed with limited block（7）, limited block oilhole（7-1）With rear-bank rotor housing oil duct（d）Communicate.
2. the hydraulic device according to claim 1 for replacing insulator instrument, it is characterised in that：In pressure oil passage（e）In
Equipped with pressure oil valve chamber（e-1）, pressure oil valve chamber（e-1）Upper end be valve port, pressure oil check valve（15）Including No. I steel ball（15-1）With
Small pressure spring（15-2）, No. I steel ball（15-1）By small pressure spring（15-2）Support gets lodged in pressure oil valve chamber（e-1）Valve port at.
3. the hydraulic device according to claim 2 for replacing insulator instrument, it is characterised in that：Pressure oil valve chamber（e-1）'s
The two-stage valve port that valve port is formed for compacting（e-2）, by higher level's cylindricality valve port（e-22）With the tubaeform valve port of subordinate（e-21）With reference to
Form.
4. the hydraulic device according to claim 1 for replacing insulator instrument, it is characterised in that：In suction passage（f）In
Equipped with oil suction valve chamber（f-1）, oil suction valve chamber（f-1）Lower end be valve port, oil sucting one-way valve（16）Including No. II steel ball（16-1）,
No. II steel ball（16-1）Oil suction valve chamber is got lodged in by gravity（f-1）Valve port at.
5. the hydraulic device according to claim 4 for replacing insulator instrument, it is characterised in that：Oil suction valve chamber（f-1）'s
The two-stage valve port that valve port is formed for compacting（f-2）, by the tubaeform valve port of higher level（f-21）With subordinate's cylindricality valve port（f-22）With reference to
Form.
6. the hydraulic device according to claim 1 for replacing insulator instrument, it is characterised in that：Throttle valve chamber（g-1）'s
The two-stage valve port that valve port is formed for compacting（g-2）, by the tubaeform valve port of higher level（g-21）With subordinate's cylindricality valve port（g-22）With reference to
Form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225123.XA CN104882818B (en) | 2012-10-16 | 2012-10-16 | Replace the hydraulic device of insulator instrument |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225123.XA CN104882818B (en) | 2012-10-16 | 2012-10-16 | Replace the hydraulic device of insulator instrument |
| CN201210392412.5A CN102868119B (en) | 2012-10-16 | 2012-10-16 | Hydraulic device for insulator replacing tool |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210392412.5A Division CN102868119B (en) | 2012-10-16 | 2012-10-16 | Hydraulic device for insulator replacing tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104882818A CN104882818A (en) | 2015-09-02 |
| CN104882818B true CN104882818B (en) | 2018-05-15 |
Family
ID=47446804
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510224788.9A Active CN104836153B (en) | 2012-10-16 | 2012-10-16 | A kind of hydraulic device of insulator replacement tool |
| CN201510224157.7A Active CN104836151B (en) | 2012-10-16 | 2012-10-16 | A kind of hydraulic device for insulator replacement tool |
| CN201510224627.XA Active CN104836152B (en) | 2012-10-16 | 2012-10-16 | The stroke fine adjustment type hydraulic device of insulator replacement tool |
| CN201210392412.5A Active CN102868119B (en) | 2012-10-16 | 2012-10-16 | Hydraulic device for insulator replacing tool |
| CN201510225123.XA Active CN104882818B (en) | 2012-10-16 | 2012-10-16 | Replace the hydraulic device of insulator instrument |
| CN201510224732.3A Active CN104832474B (en) | 2012-10-16 | 2012-10-16 | The hand-pushing hydraulic means of insulator replacement tool |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510224788.9A Active CN104836153B (en) | 2012-10-16 | 2012-10-16 | A kind of hydraulic device of insulator replacement tool |
| CN201510224157.7A Active CN104836151B (en) | 2012-10-16 | 2012-10-16 | A kind of hydraulic device for insulator replacement tool |
| CN201510224627.XA Active CN104836152B (en) | 2012-10-16 | 2012-10-16 | The stroke fine adjustment type hydraulic device of insulator replacement tool |
| CN201210392412.5A Active CN102868119B (en) | 2012-10-16 | 2012-10-16 | Hydraulic device for insulator replacing tool |
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| CN201510224732.3A Active CN104832474B (en) | 2012-10-16 | 2012-10-16 | The hand-pushing hydraulic means of insulator replacement tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6523916B2 (en) * | 2015-10-27 | 2019-06-05 | Ｋｙｂ株式会社 | Hydraulic equipment |
| CN105673376A (en) * | 2016-01-19 | 2016-06-15 | 成都远东高科科技有限公司 | Anti-wear hydraulic manual pump |
| KR200487323Y1 (en) * | 2016-05-30 | 2018-09-04 | 나가키 세이키 코포레이션 리미티드 | Remote manipulation device for rotation work |
| CN110611271A (en) * | 2019-09-17 | 2019-12-24 | 国网山东省电力公司烟台市福山区供电公司 | Hydraulic clamp for electric power overhaul |
| CN112834618B (en) * | 2021-01-25 | 2022-04-01 | 河北建筑工程学院 | Concrete acoustic emission damage recognition system based on sensing technology |
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| JPH07193928A (en) * | 1993-12-27 | 1995-07-28 | Tokyo Electric Power Co Inc:The | Tension regulating tool |
| CN2426050Y (en) * | 2000-05-15 | 2001-04-04 | 王连亚 | Pneumatic reversal valve |
| CN2731157Y (en) * | 2004-09-22 | 2005-10-05 | 信孚产业股份有限公司 | Air sag type ventilation valve for seal type hydraulic driving fuel tank |
| CN101050782A (en) * | 2007-04-30 | 2007-10-10 | 安徽合力股份有限公司 | 1-3.5T gap buffer lift oil cylinder with one-way valve at cylinder bottom |
| CN201225424Y (en) * | 2008-07-25 | 2009-04-22 | 镇江液压件厂有限责任公司 | Fixed type one-way throttle valve |
| CN201323410Y (en) * | 2008-11-19 | 2009-10-07 | 苗来全 | Manual hydraulic tightening tool |
| CN201772011U (en) * | 2010-05-14 | 2011-03-23 | 伊卡露斯(苏州)车辆系统有限公司 | Buffer |
| CN201919980U (en) * | 2011-01-11 | 2011-08-10 | 宁波奥邦喷雾器有限公司 | Bayonet sprayer |
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| JP2000272587A (en) * | 1999-03-19 | 2000-10-03 | Showa Corp | Tilt device for ship propeller |
| CN2601320Y (en) * | 2002-10-29 | 2004-01-28 | 玉环县奥达斯五金机械有限公司 | Improved hydraulic tongs hydraulic oil circuit structure |
| CN202856244U (en) * | 2012-10-16 | 2013-04-03 | 江苏省电力公司常州供电公司 | Hydraulic device used for insulator replacement tool |
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2012
- 2012-10-16 CN CN201510224788.9A patent/CN104836153B/en active Active
- 2012-10-16 CN CN201510224157.7A patent/CN104836151B/en active Active
- 2012-10-16 CN CN201510224627.XA patent/CN104836152B/en active Active
- 2012-10-16 CN CN201210392412.5A patent/CN102868119B/en active Active
- 2012-10-16 CN CN201510225123.XA patent/CN104882818B/en active Active
- 2012-10-16 CN CN201510224732.3A patent/CN104832474B/en active Active
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| JPH07193928A (en) * | 1993-12-27 | 1995-07-28 | Tokyo Electric Power Co Inc:The | Tension regulating tool |
| CN2426050Y (en) * | 2000-05-15 | 2001-04-04 | 王连亚 | Pneumatic reversal valve |
| CN2731157Y (en) * | 2004-09-22 | 2005-10-05 | 信孚产业股份有限公司 | Air sag type ventilation valve for seal type hydraulic driving fuel tank |
| CN101050782A (en) * | 2007-04-30 | 2007-10-10 | 安徽合力股份有限公司 | 1-3.5T gap buffer lift oil cylinder with one-way valve at cylinder bottom |
| CN201225424Y (en) * | 2008-07-25 | 2009-04-22 | 镇江液压件厂有限责任公司 | Fixed type one-way throttle valve |
| CN201323410Y (en) * | 2008-11-19 | 2009-10-07 | 苗来全 | Manual hydraulic tightening tool |
| CN201772011U (en) * | 2010-05-14 | 2011-03-23 | 伊卡露斯(苏州)车辆系统有限公司 | Buffer |
| CN201919980U (en) * | 2011-01-11 | 2011-08-10 | 宁波奥邦喷雾器有限公司 | Bayonet sprayer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104836153B (en) | 2018-08-17 |
| CN102868119B (en) | 2015-05-13 |
| CN102868119A (en) | 2013-01-09 |
| CN104832474A (en) | 2015-08-12 |
| CN104836152B (en) | 2018-10-30 |
| CN104836152A (en) | 2015-08-12 |
| CN104836151A (en) | 2015-08-12 |
| CN104882818A (en) | 2015-09-02 |
| CN104836153A (en) | 2015-08-12 |
| CN104832474B (en) | 2018-01-05 |
| CN104836151B (en) | 2019-04-02 |
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Address after: 213003 No. 27, West Front Street, Changzhou, Jiangsu Applicant after: STATE GRID CHANG ZHOU CURRENT SUPPLY COMPANY OF JIANGSU ELECTRIC POWER Co. Applicant after: STATE GRID JIANGSU ELECTRIC POWER Co. Applicant after: State Grid Corporation of China Address before: 213003 Jiangsu province Changzhou City Tianning District Bureau Street No. 27 Applicant before: CHANG ZHOU CURRENT SUPPLY COMPANY OF JIANGSU ELECTRIC POWER Co. Applicant before: JIANGSU ELECTRIC POWER Co. Applicant before: State Grid Corporation of China |
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Address after: 210024 No. 215 Shanghai Road, Nanjing City, Jiangsu Province Co-patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. CHANGZHOU POWER SUPPLY BRANCH Patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. Co-patentee after: STATE GRID CORPORATION OF CHINA Address before: No. 27, front street, Changzhou Municipal Bureau, Jiangsu Province, Jiangsu Co-patentee before: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. Patentee before: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. CHANGZHOU POWER SUPPLY BRANCH Co-patentee before: STATE GRID CORPORATION OF CHINA |
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