CN104752991B - The fluid pressure type clamp force device of replacing device for insulator - Google Patents
The fluid pressure type clamp force device of replacing device for insulator Download PDFInfo
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- CN104752991B CN104752991B CN201510176524.0A CN201510176524A CN104752991B CN 104752991 B CN104752991 B CN 104752991B CN 201510176524 A CN201510176524 A CN 201510176524A CN 104752991 B CN104752991 B CN 104752991B
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Abstract
The fluid pressure type clamp force device of a kind of replacing device for insulator, including forked element, screw and hydraulic device；The screw is made of No. I screw, No. II screw and the double end swivel nut that is connected between No. I screw and No. II screw, spanner is connected in the middle part of double end swivel nut, forked element is connected on the end of No. I screw, the piston rod of hydraulic device is stretched out from cylinder body front end to be fixedly connected with No. II screw, it is fork on rear side of the cylinder body of hydraulic device, stirrup pump is connected on hydraulic device.The present invention uses the fabricated structure of leading screw liquid feeding pressure device, first with spanner rotation double end swivel nut adjustment screw length, for the extra stroke of pre-absorption, again effective impulse stroke is provided by hydraulic device, both portability of the leading screw in non-stress and slight stress had been utilized, clamp force operation when being realized using hydraulic device with smaller operating force completion nominal operating duty again, rapid operation are convenient.Hydraulic device automatically controls the flow of oil return using one-way throttle valve, realizes the stroke fine tuning of hydraulic device.
Description
Present patent application be number of patent application be 201210392411.0, the applying date is 16 day, of October in 2012
The referred to as divisional application of the application for a patent for invention of " the clamp force device of replacing device for insulator ".
Technical field
The present invention relates to the clamp force devices of the replacing device for insulator in ultra-high-tension power transmission line.
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
Long-time service will appear aged deterioration, need to replace in time, otherwise can influence high voltage power transmission and safety.The insulator used at present
More changing device 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
It holds between two fixtures, clamp force device drives screw to shrink by worm drive, and conducting wire shifts the tensile force that insulator chain applies
Onto two pairs of clamp force devices, insulator chain relaxation can dismantle insulator chain in this way.Chinese Authorization Notice No. is CN
101174761B（Application number 200710092913.0）, denomination of invention be " on high-voltage power line tension insulator string revolve electrification
Disclose a kind of two yoke plate device in the patent of invention of replacing options ", two yoke plate device is replacing device for insulator, 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 connect respectively with a leading screw, and two leading screw other ends are connected respectively with another wing card both wings.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 more changing device in use, need to bear the tensile force in circuit, the rotation of screw needs very big torque, at present screw
Rotation is all manually, so operation is laborious and inconvenient.
Invention content
It is an object of the invention to propose a kind of fluid pressure type clamp force device of the convenient replacing device for insulator of rapid operation.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
The present invention includes forked element, screw and hydraulic device；It is fork on rear side of the cylinder body of hydraulic device, hydraulic device
Upper connection stirrup pump：The cylinder body of the hydraulic device is made of front-bank rotor housing, outer barrel and rear-bank rotor housing, and inner cylinder is equipped in outer barrel
Body forms annular fuel tank between inside and outside cylinder, and inner cylinder is divided into ante-chamber and back cavity by the piston of hydraulic device, and annular fuel tank leads to
Later cylinder-body oil duct and back cavity communicate, and 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；The stirrup pump tool
There are the pump housing, sucker rod, rocking arm, rocker head and handle, the lower end of the pump housing is connected to the pump housing mounting hole of hydraulic device front-bank rotor housing
In, the lower end of rocking arm is hinged on the stent of front-bank rotor housing outer wall, and the upper end of rocking arm is hinged with rocker head, and handle is connected to rocker head
On, the upper end of sucker rod is stretched out the pump housing and is hinged on rocker head：The screw is by No. I screw, No. II screw and is connected to No. I
Double end swivel nut between screw and No. II screw forms, and is connected with spanner in the middle part of double end swivel nut, forked element is connected to No. I silk
On the end of bar, the piston rod of hydraulic device is stretched out from cylinder body front end, No. II screw and piston rod one, the back cavity of hydraulic device
Interior and in main buckle is equipped between rear-bank rotor housing and piston, the suction passage of hydraulic device links up the pump housing chamber and annular of stirrup pump
Fuel tank is additionally provided with drainback passage and pressure release passage on front-bank rotor housing, and pressure release passage and drainback passage connect at a right angle, and drainback passage leads to
To ante-chamber, pressure release passage leads to annular fuel tank：It is in drainback passage and the position of pressure release passage boundary is equipped with throttling valve chamber,
Throttle valve chamber upper end opening, throttle valve chamber in be equipped with one-way throttle valve, the one-way throttle valve is using gap throttling side
Formula, one-way throttle valve include adjustable valve rod, spool and No. III steel ball below spool, and adjustable valve rod is opened from the valve chamber that throttles
Mouth is inserted into, and lower end is supported and spool, and gap is equipped between spool and surrounding cavity wall, forms annular gap；It is released in one-way throttle valve
During pressure, spool is in quick condition, and when spool is close to the aperture of pressure release passage, pressure release passage, which is kept off, to be even switched off, and causes annular
Gap pushes spool to be moved to opposite side, pressure release passage reopens, and annular gap connects close to the pressure increase at pressure release passage
Pressure at nearly pressure release passage reduces, and spool is shifted at the aperture of pressure release passage, completes overflowing for automatic adjustment gap in cycles
Oil mass；Limited block is fixed on the rear-bank rotor housing, limited block oilhole and rear-bank rotor housing oil duct communicate.
Oil suction valve chamber is equipped in 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 in by gravity at the valve port of oil suction valve chamber.
There are two preceding engaging lug, preceding engaging lugs to be equipped with bolt hole for forked element tool, wherein before one engaging lug spiral shell
Keyhole is stepped hole, and the large diameter hole of the stepped hole of preceding engaging lug is the unthreaded hole of the bolt hole extension on another preceding engaging lug, ladder
The diameter holes in hole are threaded hole；Engaging lug after the fork of cylinder body has two, rear engaging lug is equipped with bolt hole, wherein connecting after one
The bolt hole of lug is stepped hole, and the large diameter hole of the stepped hole of rear engaging lug is the light of the bolt hole extension on another rear engaging lug
Hole, the diameter holes of stepped hole are threaded hole.
The present invention has following good effect：1st, this clamp force device uses the fabricated structure of leading screw liquid feeding pressure device, first profit
With spanner rotation double end swivel nut adjustment screw length, for the extra stroke of pre-absorption, then provided by hydraulic device and effectively worked
Stroke had not only been utilized portability of the leading screw in non-stress and slight stress, but also had been realized using hydraulic device with smaller operation
Power completes clamp force operation during nominal operating duty, and rapid operation is convenient.2nd, the hydraulic device of this clamp force device uses one-way throttle
Valve automatically controls the flow of oil return, can slow oil return, realize hydraulic device stroke fine tuning, for operation provide conveniently.3rd, it is single
Gap throttle style is used to throttle valve, it is simple in structure, it is easy to process.4th, the valve port of pressure oil valve chamber and the valve chamber that throttles is compacting shape
Into two-stage valve port, the material structure at valve port is especially close, be avoided that steel ball because after release of pressure rapid decrease valve port is hit
Caused damage is hit, extends the service life of hydraulic device.5th, since the fork of forked element and cylinder body respectively has a connection
Bolt hole on ear is stepped hole, and the large diameter hole of stepped hole is the unthreaded hole of the bolt hole extension on another engaging lug, so two connect
The same center line of bolt hole on lug, being connected to the bolt between two engaging lugs will not glance off, the screw thread of the bolt of use
Section is inside contracted in the stepped hole of engaging lug, not only can guarantee the shear strength of bolt, but also will not be to being between two engaging lugs by spiral shell
The component connect is tethered to cause to damage.5th, this clamp force device it is compact-sized, it is small, facilitate altitude effect.
Description of the drawings
Fig. 1 is the view of this clamp force device structure.
Fig. 2 is the vertical view of Fig. 1（Part）.
Fig. 3 is the A-A sectional views of Fig. 2.
Fig. 4 is the B-B sectional views of Fig. 2.
Fig. 5 is the schematic diagram of the spool of one-way throttle valve in the state of the equilibrium.
Fig. 6 is schematic diagram of the spool of one-way throttle valve under non-equilibrium state.
Fig. 7 is the view of forked element.
Specific embodiment
Embodiment 1
Clamp force device shown in attached drawing 1 to 4 includes forked element 1, screw 2 and hydraulic device 3.Screw 2 by No. I screw 2-1,
No. II screw 2-3 and double end swivel nut 2-2 compositions, double end swivel nut 2-2 are connected between No. I screw 2-1 and No. II screw 2-3, No. I
The hand of spiral of screw 2-1 and No. II screw 2-3 in double end swivel nut 2-2 on the contrary, be fixedly arranged in the middle of spanner 2-4.Forked element 1 connects
It is connected on the end of No. I screw 2-1, the piston rod 3-4 of hydraulic device 3 is stretched out from cylinder body front end, No. II screw 2-3 and piston rod
3-4 is fixedly connected, and No. II screw 2-3 and piston rod 3-4 can be taken to be integrally machined.It is on rear side of the cylinder body of hydraulic device 3
Fork 3-9 connects stirrup pump 4 on hydraulic device 3.
The cylinder body of hydraulic device 3 is made of front-bank rotor housing 3-1, outer barrel 3-2 and rear-bank rotor housing 3-8, and inner cylinder is equipped in outer barrel
Body 3-3 forms annular fuel tank 3-a, the piston 3-5 of hydraulic device 3 and inner cylinder is divided into ante-chamber between inside and outside cylinder 3-3,3-2
In 3-b and back cavity 3-c, back cavity 3-c and in being equipped with main buckle 3-6 between rear-bank rotor housing 3-8 and piston 3-5, spiral shell on rear-bank rotor housing 3-8
Line is connected with limited block 3-7, and limited block 3-7 is to the laggard sports limitings of piston 3-5.Pass through plum between piston rod 3-4 and piston 3-5
Clamp nut 3-10 is fixedly connected.Limited block 3-7 passes through rear-bank rotor housing oil duct 3- equipped with limited block oilhole 3-7-1, annular fuel tank 3-a
D, limited block oilhole 3-7-1 and back cavity 3-c are communicated.Front-bank rotor housing 3-1 leads to equipped with pressure oil passage 3-e, suction passage 3-f, oil return
Road 3-g and pressure release passage 3-h, pressure oil passage 3-e link up the pump housing chamber 4-a of stirrup pump and ante-chamber 3-b, and suction passage 3-f is linked up
The chamber and annular fuel tank 3-a, pressure release passage 3-h and drainback passage 3-g of stirrup pump pump housing 4-1 connects at a right angle, drainback passage 3-g
Lead to ante-chamber 3-b, pressure release passage 3-h leads to annular fuel tank 3-a.Pressure is respectively equipped in pressure oil passage 3-e and suction passage 3-f
Oily check valve 5 and oil sucting one-way valve 6 are equipped with one-way throttle valve 7 between drainback passage 3-g and pressure release passage 3-h.
The enlarged portion that diameter is more than pressure oil passage diameter is equipped in pressure oil passage 3-e, enlarged portion is as pressure oil valve chamber 3-e-
The upper end of 1, pressure oil valve chamber 3-e-1 are valve port, pressure oil check valve 5 include No. I steel ball 5-1 and small pressure spring 5-2, No. I steel ball 5-1 by
Small pressure spring 5-2 supports are got lodged at the valve port of pressure oil valve chamber 3-e-1.For convenience of the installation of small pressure spring 5-2, at pressure oil valve chamber 3-e-1
Bolt hole is equipped in corresponding to pressure oil valve chamber 3-e-1 close to the bottom surface of the bottom surface of front-bank rotor housing 3-1, front-bank rotor housing 3-1, is installed in bolt hole
The end face of one bolt 5-3, bolt 5-3 are equipped with compression spring hole, and the lower part of small pressure spring is placed in compression spring hole.Pressure oil valve chamber 3-e-1's
Valve port is the two-stage valve port 3-e-2 that compacting is formed, and is combined by higher level cylindricality valve port 3-e-22 and the tubaeform valve port 3-e-21 of subordinate
It forms.
The enlarged portion that diameter is more than suction passage diameter is equipped on the top of suction passage 3-f, enlarged portion is as oil sucting valve
The lower end of chamber 3-f-1, oil suction valve chamber 3-f-1 are valve port, and oil sucting one-way valve 6 includes No. II steel ball 6-1, No. II steel ball 6-1 dependence
Gravity is got lodged at the valve port of oil suction valve chamber 3-f-1.The valve port of oil suction valve chamber 3-f-1 is the two-stage valve port 3-f-2 that compacting is formed, and is
The combination of higher level is tubaeform valve port 3-f-21 and subordinate cylindricality valve port 3-f-22.
It is in drainback passage 3-g and the position of pressure release passage 3-h boundaries is equipped with diameter and is more than drainback passage diameter
Enlarged portion, enlarged portion are arranged on as throttling valve chamber 3-g-1, the upper end opening of throttling valve chamber 3-g-1 in throttling valve chamber 3-g-1
The one-way throttle valve 7 using gap throttle style, one-way throttle valve 7 includes adjustable valve rod 7-1, spool 7-2, is in
No. III steel ball 7-3 and swivel nut 7-4 and pressure release handle 7-5 below spool 7-2.Swivel nut 7-4 is threaded in throttling valve chamber 3-
The openend of g-1, adjustable valve rod 7-1 are stretched by swivel nut 7-4 in throttling valve chamber 3-g-1, and the lower end of adjustable valve rod 7-1 is supported and valve
Core 7-2, adjustable valve rod 7-1 and swivel nut 7-4 are threadedly coupled, and pressure release handle 7-5 is connected on adjustable valve rod 7-1.Pressure release passage 3-h
Aperture and spool 7-2 correspond to, between spool 7-2 and surrounding cavity wall be equipped with gap, formed annular gap 3-g-3.Throttle valve chamber
The lower end of 3-g-1 is valve port, and No. III steel ball 7-3 gets lodged in throttling valve chamber 3- by adjustable valve rod 7-1 by the spool 7-2 pressure given
At the valve port of g-1.The valve port of throttling valve chamber 3-g-1 is the two-stage valve port 3-g-2 that compacting is formed, by the tubaeform valve port 3-g- of higher level
21 and subordinate cylindricality valve port 3-g-22 is combined into.
The two-stage valve port 3-e-2 of above-mentioned pressure oil valve chamber 3-e-1, the two-stage valve port 3-f-2 and throttle valve of oil suction valve chamber 3-f-1
The two-stage valve port 3-g-2 of chamber 3-g-1 applies the coercive method, and method is as follows, takes and an equal amount of steel ball pair of valve chamber diameter
It pressurizes at valve port, is formed at valve port tubaeform, channel part connect at this time with valve chamber deforms upon, and inner wall bloats, then takes
Identical with channel diameter or slightly larger than channel diameter steel ball gives deformations pressure, forms cylindricality valve port.Due to two-stage valve port
It is that compacting is formed, so material structure is tight, steel ball shock can be born.
Sucker rod 4-2 is equipped in the pump housing chamber 4-a of the stirrup pump 4, the lower thread of the pump housing 4-1 is connected to
In the pump housing mounting hole of hydraulic device front-bank rotor housing 3-1, Rocker arm 4-3, rocking arm are hinged on the stent 3-11 of front-bank rotor housing 3-1 outer walls
The upper end of 4-3 is hinged with rocker head 4-4, and one handle 4-5 is connected on rocker head 4-4, and the pump housing is stretched out in the upper end of sucker rod 4-2
4-1 is hinged on the middle part of rocker head 4-4, and the hinge joint is as fulcrum.
Forked element 1 is used to connect with the fixture of replacing device for insulator with the fork 3-9 of cylinder body.Forked element 1 has
There are engaging lug 1-1,1-1 before a pair, preceding engaging lug is equipped with bolt hole, wherein the bolt hole of engaging lug is stepped hole before one, it is preceding
The large diameter hole 1-1-b of the stepped hole of engaging lug be on another preceding engaging lug bolt hole 1-1-c extension unthreaded hole, stepped hole it is small
Diameter hole 1-1-a is threaded hole.See Fig. 7, the same center line of bolt hole before two on engaging lug, the spiral shell being connected to before two between engaging lug
Bolt 11 will not glance off, and the thread segment of the bolt 11 of use is inside contracted in the stepped hole of preceding engaging lug.The cylinder body of hydraulic device
Fork 3-9 have it is a pair of after engaging lug 3-9-1,3-9-1, rear engaging lug is equipped with bolt hole, wherein after one engaging lug spiral shell
Keyhole is stepped hole, the large diameter hole 3-9-b of the stepped hole of rear engaging lug be it is another after bolt hole 3-9-c on engaging lug extend
Unthreaded hole, the diameter holes 3-9-a of stepped hole is threaded hole.The bolt of cylinder body fork 3-9 connects Fig. 7.
Piston rod 3-4 is to stretch out to the present invention under normal conditions, when in use, using leading screw in non-stress and slight stress
Portability, first with the length of spanner 2-4 rotation double end swivel nut 2-2 adjustment screws 2, for the extra stroke of pre-absorption, then make
The length of screw 2 is adjusted with hydraulic device 3.It is as follows using process, pressure release handle 7-5 is locked, as the handle 4- for pushing stirrup pump 4
5, sucker rod 4-2 are pushed, and No. I steel ball 5-1 is detached from the valve port of oil suction valve chamber 3-f-1, and pressure oil check valve 5 is opened, pump housing chamber 4-a
Interior hydraulic oil enters ante-chamber 3-b by pressure oil passage 3-e, and promotion piston 3-5 is laggard, and piston rod 3-4 is inside contracted, in back cavity 3-c
Hydraulic oil backflow annular fuel tank 3-a.As the handle 4-5 for above carrying stirrup pump 4, pressure oil check valve 5 is closed, pump housing chamber 4-a and suction
Fuel tap chamber 3-f-1 forms negative pressure, and No. II steel ball is detached from the valve port of oil suction valve chamber 3-f-1, and oil sucting one-way valve 6 is opened, annular fuel tank
Hydraulic oil in 3-a enters pump housing chamber 4-a by suction passage 3-f, and in cycles, piston 3-5 is gradually laggard to required
Position.
In use, there is the phenomenon that " mistake " as piston 3-5 is laggard, slightly unclamp pressure release handle 7-5, act on list at this time
Pressure on 7 spool 7-2 of throttle valve is reduced, and No. III steel ball 7-3 is by open-top release of pressure.One-way throttle valve 7 is in off position
Under, the pressure of the annular gap 3-g-3 of spool 7-2 surroundings is in equilibrium state（See Fig. 5）Once release of pressure, spool 7-2 surroundings
The pressure of annular gap 3-g-3 would be at non-equilibrium state（See Fig. 6）, spool 7-2 is in quick condition, when spool 7-2 connects
The aperture of nearly pressure release passage 3-h, pressure release passage 3-h, which is kept off, to be even switched off, and causes annular gap 3-g-3 close to pressure release passage 3-h
The pressure increase at place, pushes spool 7-2 to be moved to opposite side, at this moment pressure release passage 3-h is reopened, and annular gap 3-g-3 connects
Pressure at nearly pressure release passage 3-h reduces, and spool 7-2 is shifted at the aperture of pressure release passage 3-h, completes automatic adjustment in cycles
The oil spillage in gap, the hydraulic oil in ante-chamber 3-b enter annular fuel tank 3-a through drainback passage 3-g, pressure release passage 3-h.Due to being
Small flow, main buckle 3-6 push piston 3-5 to be advanced slowly, and realize the stroke fine tuning of hydraulic device.
Pressure release handle 7-5 is released to a certain extent, and pressure release handle 7-5 rises to the space of the upward activities of spool 7-2,
When spool 7-2 is raised by oil pressure to certain altitude, the aperture of pressure release passage 3-h is not blocked, and can realize Quick Depressurization.
Claims (3)
1. a kind of fluid pressure type clamp force device of replacing device for insulator, including forked element（1）, screw（2）And hydraulic device（3）,
Hydraulic device（3）Cylinder body on rear side of be fork（3-9）, hydraulic device（3）Upper connection stirrup pump（4）；Hydraulic device（3）Cylinder
Body is by front-bank rotor housing（3-1）, outer barrel（3-2）And rear-bank rotor housing（3-8）Composition, outer barrel is interior to be equipped with inner cylinder（3-3）, inside and outside cylinder
Body（3-3、3-2）Between form annular fuel tank（3-a）, hydraulic device（3）Piston（3-5）Inner cylinder is divided into ante-chamber（3-b）
And back cavity（3-c）, annular fuel tank（3-a）Pass through rear-bank rotor housing oil duct（3-d）And back cavity（3-c）It communicates, front-bank rotor housing（3-1）It is equipped with
Pressure oil passage（3-e）And suction passage（3-f）, in pressure oil passage（3-e）And suction passage（3-f）In to be respectively equipped with pressure oil unidirectional
Valve（5）And oil sucting one-way valve（6）, pressure oil passage（3-e）Link up stirrup pump（4）Pump housing chamber（4-a）And ante-chamber（3-b）；It is described
Stirrup pump（4）Pump housing chamber（4-a）In be equipped with sucker rod（4-2）, the pump housing（4-1）Lower end be connected to hydraulic device front-bank rotor housing
（3-1）Pump housing mounting hole in, front-bank rotor housing（3-1）The stent of outer wall（3-11）On be hinged with rocking arm（4-3）, rocking arm（4-3）'s
Upper end is hinged with rocker head（4-4）, one handle（4-5）It is connected to rocker head（4-4）On, sucker rod（4-2）Upper end stretch out
The pump housing（4-1）It is hinged on rocker head（4-4）On；It is characterized in that：The screw（2）By No. I screw（2-1）, No. II screw（2-
3）Be connected to No. I screw（2-1）With No. II screw（2-3）Between double end swivel nut（2-2）Composition, double end swivel nut（2-2）'s
Middle part is connected with spanner（2-4）, forked element（1）It is connected to No. I screw（2-1）End on, hydraulic device（3）Piston rod
（3-4）It is stretched out and No. II screw from cylinder body front end（2-3）It is fixedly connected；Hydraulic device（3）Back cavity（3-c）It is interior and in rear cylinder
Body（3-8）And piston（3-5）Between be equipped with main buckle（3-6）, hydraulic device（3）Suction passage（3-f）Link up stirrup pump（4）
Pump housing chamber（4-a）With annular fuel tank（3-a）, front-bank rotor housing（3-1）On be additionally provided with drainback passage（3-g）And pressure release passage（3-
h）, pressure release passage（3-h）And drainback passage（3-g）Connection at a right angle, drainback passage（3-g）Lead to ante-chamber（3-b）, pressure release passage
（3-h）Lead to annular fuel tank（3-a）；In drainback passage（3-g）In be in and pressure release passage（3-h）The position of boundary is equipped with throttling
Valve chamber（3-g-1）, throttle valve chamber（3-g-1）In be equipped with one-way throttle valve（7）, the one-way throttle valve（7）Using gap
Throttle style, one-way throttle valve（7）Including adjustable valve rod（7-1）, spool（7-2）With in spool（7-2）No. III steel of lower section
Ball（7-3）, adjustable valve rod（7-1）From throttling valve chamber（3-g-1）Opening be inserted into, lower end is supported and spool（7-2）, spool（7-
2）Gap is around equipped between cavity wall, forms annular gap（3-g-3）；In one-way throttle valve（7）During release of pressure, spool（7-2）
In quick condition, work as spool（7-2）Close to pressure release passage（3-h）Aperture, pressure release passage（3-h）It is even switched off, makes by gear
Circularize gap（3-g-3）Close to pressure release passage（3-h）The pressure increase at place, pushes spool（7-2）It is moved to opposite side, at this moment
Pressure release passage（3-h）It reopens, annular gap（3-g-3）Close to pressure release passage（3-h）The pressure at place reduces, spool（7-2）
Shift to pressure release passage（3-h）Aperture at, in cycles complete automatic adjustment gap oil spillage；The rear-bank rotor housing（3-8）On
It is fixed with limited block（3-7）, limited block oilhole（3-7-1）With rear-bank rotor housing oil duct（3-d）It communicates.
2. the fluid pressure type clamp force device of replacing device for insulator according to claim 1, it is characterised in that：In suction passage
（3-f）In be equipped with oil suction valve chamber（3-f-1）, oil suction valve chamber（3-f-1）Lower end for valve port, oil sucting one-way valve（6）Including No. II
Steel ball（6-1）, No. II steel ball（6-1）Oil suction valve chamber is got lodged in by gravity（3-f-1）Valve port at.
3. the fluid pressure type clamp force device of replacing device for insulator according to claim 1, it is characterised in that：Forked element（1）
There are two preceding engaging lugs for tool（1-1、1-1）, preceding engaging lug is equipped with bolt hole, wherein the bolt hole of engaging lug is ladder before one
Hole, the large diameter hole of the stepped hole of preceding engaging lug（1-1-b）It is the bolt hole on another preceding engaging lug（1-1-c）The unthreaded hole of extension,
The diameter holes of stepped hole（1-1-a）For threaded hole；The fork of cylinder body（3-9）With engaging lug after two（3-9-1、3-9-1）, after
Engaging lug is equipped with bolt hole, wherein the bolt hole of engaging lug is stepped hole after one, the large diameter hole of the stepped hole of rear engaging lug（3-
9-b）It is the bolt hole on another rear engaging lug（3-9-c）The unthreaded hole of extension, the diameter holes of stepped hole（3-9-a）For threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510176524.0A CN104752991B (en) | 2012-10-16 | 2012-10-16 | The fluid pressure type clamp force device of replacing device for insulator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510176524.0A CN104752991B (en) | 2012-10-16 | 2012-10-16 | The fluid pressure type clamp force device of replacing device for insulator |
| CN201210392411.0A CN102904193B (en) | 2012-10-16 | 2012-10-16 | Tightening device of insulator replacement device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210392411.0A Division CN102904193B (en) | 2012-10-16 | 2012-10-16 | Tightening device of insulator replacement device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104752991A CN104752991A (en) | 2015-07-01 |
| CN104752991B true CN104752991B (en) | 2018-06-08 |
Family
ID=47576309
Family Applications (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210392411.0A Active CN102904193B (en) | 2012-10-16 | 2012-10-16 | Tightening device of insulator replacement device |
| CN201510176607.XA Active CN104752992B (en) | 2012-10-16 | 2012-10-16 | A kind of stroke fine adjustment type clamp force device of replacing device for insulator |
| CN201510175081.3A Active CN104836148B (en) | 2012-10-16 | 2012-10-16 | The stroke fine adjustment type hydraulic pressure clamp force device of replacing device for insulator |
| CN201510176644.0A Active CN104752993B (en) | 2012-10-16 | 2012-10-16 | Change the clamp force device of electric insulation sub-device |
| CN201510176645.5A Active CN104752994B (en) | 2012-10-16 | 2012-10-16 | The hand-pushing hydraulic pressure clamp force device of replacing device for insulator |
| CN201510176521.7A Active CN104752989B (en) | 2012-10-16 | 2012-10-16 | A kind of clamp force device of replacing device for insulator |
| CN201510174990.5A Active CN104836147B (en) | 2012-10-16 | 2012-10-16 | For replacing the clamp force device of electric insulator |
| CN201510176523.6A Active CN104752990B (en) | 2012-10-16 | 2012-10-16 | The clamp force device of electric insulator more changing device |
| CN201510176524.0A Active CN104752991B (en) | 2012-10-16 | 2012-10-16 | The fluid pressure type clamp force device of replacing device for insulator |
Family Applications Before (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210392411.0A Active CN102904193B (en) | 2012-10-16 | 2012-10-16 | Tightening device of insulator replacement device |
| CN201510176607.XA Active CN104752992B (en) | 2012-10-16 | 2012-10-16 | A kind of stroke fine adjustment type clamp force device of replacing device for insulator |
| CN201510175081.3A Active CN104836148B (en) | 2012-10-16 | 2012-10-16 | The stroke fine adjustment type hydraulic pressure clamp force device of replacing device for insulator |
| CN201510176644.0A Active CN104752993B (en) | 2012-10-16 | 2012-10-16 | Change the clamp force device of electric insulation sub-device |
| CN201510176645.5A Active CN104752994B (en) | 2012-10-16 | 2012-10-16 | The hand-pushing hydraulic pressure clamp force device of replacing device for insulator |
| CN201510176521.7A Active CN104752989B (en) | 2012-10-16 | 2012-10-16 | A kind of clamp force device of replacing device for insulator |
| CN201510174990.5A Active CN104836147B (en) | 2012-10-16 | 2012-10-16 | For replacing the clamp force device of electric insulator |
| CN201510176523.6A Active CN104752990B (en) | 2012-10-16 | 2012-10-16 | The clamp force device of electric insulator more changing device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904193B (en) * | 2012-10-16 | 2015-05-13 | 江苏省电力公司常州供电公司 | Tightening device of insulator replacement device |
| CN103117522B (en) * | 2013-02-20 | 2015-11-04 | 山东电力集团公司烟台供电公司 | A kind of front cable plug separation device |
| CN205355689U (en) * | 2015-11-05 | 2016-06-29 | 国网湖南省电力公司带电作业中心 | Tight lineman's utensil of transmission line wire |
| KR200487323Y1 (en) * | 2016-05-30 | 2018-09-04 | 나가키 세이키 코포레이션 리미티드 | Remote manipulation device for rotation work |
| CN106253143A (en) * | 2016-08-10 | 2016-12-21 | 中国电力科学研究院 | A kind of cable type hydraulic line tightening device and method used for transmission line |
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| JPH07193928A (en) * | 1993-12-27 | 1995-07-28 | Tokyo Electric Power Co Inc:The | Tension regulating tool |
| CN201126944Y (en) * | 2007-12-18 | 2008-10-01 | 西北电网有限公司 | Chucking tools clamping apparatus for altering cross-arm-end insulator for 750kV circuit with electrification |
| CN201323410Y (en) * | 2008-11-19 | 2009-10-07 | 苗来全 | Manual hydraulic tightening tool |
| CN201515162U (en) * | 2009-09-18 | 2010-06-23 | 铜川供电局 | Hydraulic tightening device used for replacing insulator of high-voltage power transmission line |
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| US4365410A (en) * | 1981-03-02 | 1982-12-28 | Slater Steel Industries Limited | Conductor transfer device |
| US5377402A (en) * | 1993-10-27 | 1995-01-03 | Semple, Jr.; Alan R. | Electrical insulator change-out tool |
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| KR20050065702A (en) * | 2003-12-23 | 2005-06-30 | 한국전기공사협회 | Hydraulic puller |
| 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 |
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| CN202856248U (en) * | 2012-10-16 | 2013-04-03 | 江苏省电力公司常州供电公司 | Tightening device of insulator replacing device |
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2012
- 2012-10-16 CN CN201210392411.0A patent/CN102904193B/en active Active
- 2012-10-16 CN CN201510176607.XA patent/CN104752992B/en active Active
- 2012-10-16 CN CN201510175081.3A patent/CN104836148B/en active Active
- 2012-10-16 CN CN201510176644.0A patent/CN104752993B/en active Active
- 2012-10-16 CN CN201510176645.5A patent/CN104752994B/en active Active
- 2012-10-16 CN CN201510176521.7A patent/CN104752989B/en active Active
- 2012-10-16 CN CN201510174990.5A patent/CN104836147B/en active Active
- 2012-10-16 CN CN201510176523.6A patent/CN104752990B/en active Active
- 2012-10-16 CN CN201510176524.0A patent/CN104752991B/en active Active
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| JPH07193928A (en) * | 1993-12-27 | 1995-07-28 | Tokyo Electric Power Co Inc:The | Tension regulating tool |
| CN201126944Y (en) * | 2007-12-18 | 2008-10-01 | 西北电网有限公司 | Chucking tools clamping apparatus for altering cross-arm-end insulator for 750kV circuit with electrification |
| CN201323410Y (en) * | 2008-11-19 | 2009-10-07 | 苗来全 | Manual hydraulic tightening tool |
| CN201515162U (en) * | 2009-09-18 | 2010-06-23 | 铜川供电局 | Hydraulic tightening device used for replacing insulator of high-voltage power transmission line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104752991A (en) | 2015-07-01 |
| CN102904193A (en) | 2013-01-30 |
| CN104752994A (en) | 2015-07-01 |
| CN104836147B (en) | 2018-05-15 |
| CN104836148B (en) | 2018-09-21 |
| CN104836148A (en) | 2015-08-12 |
| CN104752989B (en) | 2017-03-08 |
| CN104752993B (en) | 2018-03-20 |
| CN104752989A (en) | 2015-07-01 |
| CN104752992A (en) | 2015-07-01 |
| CN104752990A (en) | 2015-07-01 |
| CN104752990B (en) | 2018-06-08 |
| CN104752992B (en) | 2018-03-20 |
| CN104836147A (en) | 2015-08-12 |
| CN102904193B (en) | 2015-05-13 |
| CN104752994B (en) | 2017-03-08 |
| CN104752993A (en) | 2015-07-01 |
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Address after: No. 27, Tianning District Bureau, front street, Changzhou, Jiangsu Province Co-patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. Patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. CHANGZHOU POWER SUPPLY BRANCH Co-patentee after: State Grid Corporation of China Address before: No. 27, Tianning District Bureau, front street, Changzhou, Jiangsu Province Co-patentee before: STATE GRID JIANGSU ELECTRIC POWER Co. Patentee before: STATE GRID CHANG ZHOU CURRENT SUPPLY COMPANY OF JIANGSU ELECTRIC POWER Co. Co-patentee before: State Grid Corporation of China Address after: No. 27, Tianning District Bureau, front street, Changzhou, Jiangsu Province Co-patentee after: STATE GRID JIANGSU ELECTRIC POWER Co. Patentee after: STATE GRID CHANG ZHOU CURRENT SUPPLY COMPANY OF JIANGSU ELECTRIC POWER Co. Co-patentee after: State Grid Corporation of China Address before: No. 27, Tianning District Bureau, front street, Changzhou, Jiangsu Province Co-patentee before: JIANGSU ELECTRIC POWER Co. Patentee before: CHANG ZHOU CURRENT SUPPLY COMPANY OF JIANGSU ELECTRIC POWER Co. Co-patentee 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, Tianning District Bureau, front street, Changzhou, Jiangsu Province 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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