CN201007979Y - Casing integrated type spring hydraulic pressure control mechanism for high-voltage circuit breaker - Google Patents
Casing integrated type spring hydraulic pressure control mechanism for high-voltage circuit breaker Download PDFInfo
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- CN201007979Y CN201007979Y CNU2007200105386U CN200720010538U CN201007979Y CN 201007979 Y CN201007979 Y CN 201007979Y CN U2007200105386 U CNU2007200105386 U CN U2007200105386U CN 200720010538 U CN200720010538 U CN 200720010538U CN 201007979 Y CN201007979 Y CN 201007979Y
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Abstract
The utility model relates to a socket combine type spring hydraulic pressure operation device employed in high pressure breaker, which belongs to electric transmission and transformation technique field and comprises a low pressure oil tank, a motor, an oil pump, a spring set, a working tank body, an energy saving piston tank, a support, an assisting switch, a control valve, a safe pressure relief valve and a position limit switch, wherein the working tank body is installed on the lower end of the low pressure oil tank, a bottom board is arranged at the end of the working tank body, the energy saving piston tank is installed on the surface of the working tank body sealing groove to form an energy saving mode structure of the socket type ring shaped energy saving piston tank and the working tank body, a pressing board and a circular board is installed on the energy saving piston tank outer socket, the spring set is provided between the energy saving piston tank and the bottom board, the energy saving piston tank and the spring set are of plug in installation type and of combined structure, every working tank body oil path is respectively connected with corresponding valve orifice of the control valve, four sides of the working tank body are clockwise arranged with the control valve, the oil pump, the safe pressure relief valve and the trip switch in order, the circular board is connected with the safe pressure relief valve, the trip switch is connected with a transmission system.
Description
Technical field
The utility model belongs to the power transmission and transformation technical field, particularly a kind of casing-integrated spring hydraulic operating mechanism that is used for primary cut-out.
Technical background
Operating mechanism is the capital equipment of high voltage power transmission and transforming, is the important component part of primary cut-out, and high-voltage circuit breaker, closing operation are realized by operating mechanism.At present, the spring hydraulic control mechanism that is used for primary cut-out, be to be three separate components with working cylinder, energy storage cylinder body and energy storage piston, the energy storage piston is assemblied between working cylinder and the energy storage cylinder body, the energy storage piston moves between it and finishes the energy storage of operating mechanism, and the surfaces externally and internally of energy storage piston will contact with working cylinder outer surface, energy storage inner surface of cylinder block respectively, and relative motion, make the machining accuracy height of the mating surface of these three kinds of parts, the mating surface of working cylinder and energy storage cylinder body also needs sealing ring, and seal point is many.
The utility model content
In order to solve the problem of above-mentioned existence, the utility model provides a kind of casing-integrated spring hydraulic operating mechanism that is used for primary cut-out, it is the energy storage mode configuration that adopts ring-like energy storage piston cylinder of jacket-type and working cylinder suit, with dish reed group be the integrated morphology of plug-in type assembling, the modular combination, no exterior line connects, and advanced hydraulic damping system realizes high-voltage circuit breaker, closing operation.
The utility model comprises low-pressure reservoir, motor, oil pump, dish reed group, working cylinder, the energy storage piston cylinder, support, auxiliary switch, control valve, safety relief valve and travel switch, support is fixed on the low-pressure reservoir, low-pressure reservoir lower end installment work cylinder body, one end of working cylinder piston is connected with auxiliary switch by the auxiliary switch connecting rod, the other end places working cylinder inside, the working cylinder end is set with base plate, outer surface is equipped with the energy storage piston cylinder at working cylinder seal groove III place, form the energy storage mode configuration of ring-like energy storage piston cylinder of jacket-type and working cylinder sleeve type, the energy storage piston cylinder face of cylinder is that the outer surface of φ h is set with pressing plate and plectane, the energy storage piston cylinder face of cylinder is between the end face of φ h and φ z handing-over and the base plate dish reed group to be installed, energy storage piston cylinder and dish reed group are the plug-in type assembling, become integrated morphology, corresponding with the control valve respectively valve port of each oil circuit of working cylinder connects, be disposed with control valve clockwise on edge, working cylinder four sides, oil pump, safety relief valve, travel switch, plectane connects with safety relief valve, connects by drive system with travel switch.
The working cylinder outer surface one end side of being body, the centre is the two-stage cylinder, diameter is followed successively by φ e and φ d, end is the external screw thread body, diameter is that φ e cylinder side is provided with seal groove, the length A scope that middle two-stage cylinder diameter is φ e is 138mm～142mm, diameter is that the length B scope of φ d is 196mm～202mm, have oil-in and advance the high pressure hydraulic fluid port in tetragonal body one side, it is φ d cylindrical section that the oil circuit that advances hydraulic oil extends to diameter, opposite side at tetragonal body oil-feed oral-lateral has and oil-out, normal high pressure hydraulic fluid port and divide-shut brake hydraulic fluid port, connect with the corresponding valve port of control valve respectively, the diameter range of normal high pressure hydraulic fluid port is: φ 17mm～φ 20mm, and the diameter range of divide-shut brake hydraulic fluid port is: φ 19mm～φ 21mm, working cylinder inside is three grades of cylindrical holes, the diameter of cylindrical hole interlude is φ 32～φ 38, the size of its two terminal circle column diameter for matching with working cylinder piston, the scope of φ d is φ 108mm～φ 102mm, the scope of φ e is φ 138mm～φ 142mm.
Energy storage piston cylinder outer surface is the level Four cylinder, and inside is two-stage cylindrical hole φ e, φ d, has seal groove on the two-stage cylindrical hole, and interior cylindrical hole aperture is that φ d and φ e are of a size of the size that matches with working cylinder.
Transmission adopted gear train assembly of the present utility model, comprise tooth bar, gear, cam, magnetic blow-out switch, axle and axle sleeve, cam is installed on axle, gear, in the cam both sides axle sleeve is installed, end on the cam outboard shafts is equipped with gear, the gear below is equipped with tooth bar, one end of tooth bar fixes bent plate by two nuts, by bent plate and bolt tooth bar, bracket I is installed on tooth bar, two ends at cam are fixed with support plate, between adjacent two cams spring is installed, is fixed with bracket I I on the support plate of cam top, several magnetic blow-out switch are installed on the bracket I I, screw rod is installed below cam, and II fixes by bolt.
Installation of the present utility model and operation principle: by bolt low-pressure reservoir and working cylinder are fixed as one in the low-pressure reservoir the inside, assemble working cylinder piston 20 in the working cylinder 9, plug cylinder 18 is talked about in energy storage packs into from the end of thread of working cylinder 9, be enclosed within on the working cylinder 9, the diameter of working cylinder 9 and energy storage piston cylinder 18 is φ e, the cylinder size of φ d is size movingly, at diameter is φ d, be equipped with sealing ring and guide ring between working cylinder 9 and the energy storage piston cylinder 18 on the φ e cylindrical section, energy storage piston cylinder 18 can be along φ d on working cylinder 9, φ e over glaze is to free movement, and the end face that working cylinder 9 and energy storage piston cylinder 18 lean on φ e and φ d cylinder to intersect is spacing.After placing plectane 7 diameters to be the endoporus of φ m the φ m face of cylinder of pressing plate 6, the diameter that is inserted in energy storage piston cylinder 18 more together is on the φ h face of cylinder, plectane 7 is clamped by energy storage piston cylinder 18 and pressing plate 6, and plectane 7 and pressing plate 6 can not move on energy storage piston cylinder 18 vertically, can only rotate.After the assembling dish reed group, pressing plate 6 φ m end faces are contacted with the end face that the face of cylinder φ 1 and the φ h of energy storage piston cylinder 18 intersect, diameter is that the face of cylinder end face of φ y contacts with dish reed group.Again base plate 22 is fixed by working cylinder 9 thread connection, between the energy storage piston cylinder 18 and base plate 22 that dish reed group is enclosed in pass pressing plate 6.Because energy storage piston cylinder 18 upper ends and working cylinder 9 end faces are spacing, the base plate 22 that dish reed group one end is fixed on the working cylinder 9 is spacing, make energy storage piston cylinder 18, plectane 7, pressing plate 6 and dish reed group, two between spacing is can carry out axially reciprocating on the face of cylinder of φ d, φ e along the diameter of working cylinder 9, if external force promote energy storage piston cylinder 18 to dish reed prescription to motion, to drive pressing plate 6, plectane 7 and move together, the pressing plate 6 of motion makes the compression of dish reed group.After external force was withdrawn from, the dish reed group of compression discharged and resets, and the power that dish reed group resets and produces when discharging is moved energy storage piston cylinder 18, plectane 7, pressing plate 6 and dish reed group in the other direction.
The utility model adopts compact disc reed group to obtain the mechanical energy storing mode of energy, does not have the nitrogen of leakage problem, good stability, and the reliability height is not subjected to the influence of variation of ambient temperature.The modular combination, no exterior line connects, and has stopped the seepage of hydraulic oil; Mechanism's power output is big, stable drive, and operation noise is low, and advanced hydraulic damping system effectively reduces the wearing and tearing of operating system, adapts to frequent operation; Adopt the energy storage pattern of ring-like energy storage piston and working cylinder sleeve type, make structure more compact, parts are few, and sealing part is few, and ring-like energy storage piston makes dish reed group stressed evenly, the reliability height; And on the direct suit working cylinder of the energy storage piston cylinder of jacket-type, there is not the energy storage cylinder body, have only two separate components of working cylinder and energy storage piston cylinder just can finish the energy storage of operating mechanism, structure is simplified greatly, machining accuracy has also reduced, seal point is also few, has improved the reliable body of operating mechanism.
Description of drawings
Fig. 1 is that the utility model mechanism pressure discharges, and is in the structural representation of separating brake position;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is that the utility model is in the separating brake position, dish reed group thermal energy storage process structural representation;
Fig. 4 is that the utility model is in closing position, dish reed group thermal energy storage process structural representation;
Fig. 5 is the working cylinder structural representation in the utility model;
Fig. 6 is that schematic diagram is looked on the right side of Fig. 5;
Fig. 7 is the energy storage piston cylinder structural representation in the utility model;
Fig. 8 is the schematic top plan view of Fig. 7;
Fig. 9 is the plectane structural representation in the utility model;
Figure 10 is the pressure plate structure schematic diagram in the utility model;
Figure 11 is the drive system structure schematic diagram in the utility model;
Figure 12 is that the B of Figure 11 is to view;
1. supports among the figure, 2. low-pressure reservoir, 3. motor, 4. oil pump, 5. fuel outlet valve, 6. pressing plate, 7. plectane, 8. dish reed group, 9. working cylinder, 10. auxiliary switch connecting rod, 11. auxiliary switches, 12. oil ga(u)ges, 13. the separating brake droop adjustment screw, 14. switching windings, 15. closing coils, 16. control valves, 17. the combined floodgate droop adjustment screw, 18. energy storage piston cylinders, 19. working cylinder pistons, 20. travel switches, 21. safety relief valve, 22. base plates, 23.D chamber, 24.F chamber, 25. the gate of circuit breaker, 26. oil-ins, 27. advance the high pressure hydraulic fluid port, 28. oil-outs, 29. normal high pressure hydraulic fluid port, 30. divide-shut brake hydraulic fluid ports, 31. seal groove I, 32. seal groove II, 33. location notch, 34. tooth bars, 35. gears, 36. bent plates, 37. bracket I, 38. support plates, 39. magnetic blow-out switch, 40. screw rod, 41. bolt I, 42 cams, 43. bolt II, 44. axle sleeves, 45., 46. bracket I I, 47. bolt III, 48. nuts, 49. spring, 50. seal groove III, 51. drive systems.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
Embodiment 1: as shown in Figure 1 and Figure 2, for mechanism pressure discharges, be in the separating brake position.Structure of the present utility model comprises low-pressure reservoir 2, motor 3, oil pump 4, dish reed group 8, working cylinder 9, energy storage piston cylinder 18, support 1, auxiliary switch 11, control valve 16, safety relief valve 21 and travel switch 20, support 1 is fixed on the low-pressure reservoir 2, low-pressure reservoir 2 lower end installment work cylinder bodies 9, one end of working cylinder piston 19 is connected with auxiliary switch 11 by auxiliary switch connecting rod 10, the other end places working cylinder 9 inside, working cylinder 9 ends are set with base plate 22, at working cylinder 9 seal groove III50 place outer surfaces energy storage piston cylinder 18 is installed, form the energy storage mode configuration of ring-like energy storage piston cylinder 18 of jacket-type and working cylinder 9 sleeve types, energy storage piston cylinder 18 diameters are that the outer surface of φ h is set with pressing plate 6 and plectane 7, energy storage piston cylinder 18 diameters are between φ h and φ z face of cylinder handing-over end face and the base plate dish reed group 8 to be installed, energy storage piston cylinder 18 is the plug-in type assembling with dish reed group 8, become integrated morphology, working cylinder 9 each oil circuit connect with control valve 16 corresponding valve ports respectively, this routine control valve 16 is the two-bit triplet electromagnetically operated valve, be disposed with control valve 16 clockwise on edge, working cylinder 9 four sides, oil pump 4, safety relief valve 21 and travel switch 20, plectane 7 connects with safety relief valve 21, connects by drive system with travel switch 20.
As Fig. 5, the working cylinder 9 outer surfaces one end side of being body shown in Figure 6, the length of side is a * a, the centre is the two-stage cylinder, diameter is followed successively by φ e and φ d, middle two-stage cylinder: φ e is φ 140mm, length A is 140mm, φ d is φ 110mm, length B is 200mm, end is the external screw thread body, and the diameter of thread is φ j, and diameter is that φ e cylinder side is provided with seal groove III50, have oil-in 26 and advance high pressure hydraulic fluid port 27 in tetragonal body one side, at oil-in 26 with advance high pressure hydraulic fluid port 27 sides to have the diameter that cooperates with fuel tank be the circular groove of φ f, it is φ d cylindrical section that the oil circuit that advances hydraulic oil extends to diameter, has and oil-out 28 at the opposite side of tetragonal body oil-feed oral-lateral, normal high pressure hydraulic fluid port 29 and divide-shut brake hydraulic fluid port 30, connect with the corresponding valve port of control valve 16 respectively, the diameter of normal high pressure hydraulic fluid port is φ 18mm, and the diameter of divide-shut brake hydraulic fluid port is φ 20mm, and the diameter of inner cylinder hole interlude is φ 35mm, working cylinder 9 inside are three grades of cylindrical holes, the size of its two terminal circle column diameter for matching with working cylinder piston 19.
As Fig. 7, shown in Figure 8, energy storage piston cylinder 18 outer surfaces are the level Four cylinder, and diameter is respectively φ l, φ k, φ h, φ z, and inside is the two-stage cylindrical hole, on the two-stage cylindrical hole, have seal groove I31 and seal groove II32, interior cylindrical hole φ d and φ e size for matching with working cylinder 9.As shown in Figure 9, pressing plate 6 outer surfaces are the two-stage cylinder, and diameter is respectively φ m and φ y, and the end face that diameter is big (being φ y end face) is provided with location notch 33, and inner surface is a cylindrical hole, and diameter is φ h.As shown in figure 10, plectane 7 is a grooved, has the cylindrical hole that matches with pressing plate 6 diameter phi m on groove bottom.
The drive system that this example adopts is a gear train assembly: as Figure 11, shown in Figure 12, comprise tooth bar 34, gear 35, cam 42, magnetic blow-out switch 39, axle 45 and axle sleeve 44, cam 42 is installed on axle 45, gear 35, in cam 42 both sides axle sleeve 44 is installed, end on cam 42 outboard shafts 45 is equipped with gear 35, gear 35 belows are equipped with tooth bar 34, one end of tooth bar 34 fixes bent plate 36 by two nuts 48, by bent plate 36 and bolt I41 stationary rack 34, bracket I 37 is installed on tooth bar 34, be fixed with support plate 38 at the two ends of cam 42, between adjacent two cams 42 spring 49 is installed, is fixed with bracket I I46 on the support plate 38 of cam 42 tops, several magnetic blow-out switch 39 are installed on the bracket I I46, screw rod 40 is installed below cam 42, and II43 fixes by bolt.
The utility model is by the automatic transmission of electric signals of network system, carries out breaking-closing operating by the control valve in control the utility model.Its concrete course of work is as follows:
1. stored energy operation:
Starter motor 3 oil pumps 4, hydraulic oil is from low-pressure reservoir 2, injected the q end ring surface chamber of airtight D chamber and energy storage piston 18 by oil pump 4 by the oil circuit of working cylinder 9, oil pressure acts on the power of the q end ring surface generation of energy storage piston 18, energy storage piston cylinder 18 is moved along two-stage cylinder φ d, the φ e of working cylinder 9 outer surfaces, promote pressing plate 6 compact disc reed groups 8, make 8 distortion of dish reed group, and set up hydraulic oil, along with dish reed group 8 constantly is compressed, oil pressure also constantly raises, till rated oil pressure, as shown in Figure 3, Figure 4.Hydraulic oil can be discharged by manual safety relief valve 21, along with oil pressure reduces, the power that oil pressure acts on the q end ring surface generation of energy storage piston cylinder 18 gradually becomes zero, be compressed dish reed group 8 simultaneously and reset, dish reed group 8 resets, and try hard to recommend dynamic pressure plate 6, plectane 7 and the energy storage piston cylinder 18 of generation resets to the preceding position of pump start when discharging.Because when any way of mechanism operation build-up of pressure decline and change dish reed group 8 compress variations, plectane 7 is along with pressing plate 6 motions, drive travel switch 21 by the gear train assembly 51 that connects with plectane 7, the Oil pump electrical machinery loop is connected, oil pump is suppressed automatically, after reaching rated oil pressure, oil pump stops automatically.If travel switch 20 and electric loop occur unusual, the designing requirement that oil pressure surpasses mechanism realizes the release of high oil pressure by the safety valve that connects with plectane 7.
2. closing operation:
As shown in Figure 4, move when closing coil 15 energisings, the valve rod of control valve 16 is under the hydraulic oil effect, be transformed into closing position, hydraulic oil is injected F chamber, working cylinder piston 19 below, because working cylinder piston 19 tops communicate with the D chamber of energy storage piston cylinder 18, be normal hydraulic oil, working cylinder piston 19 below areas are greater than the top area, and differential force moves upward working cylinder piston 19, promptly realizes mechanism's closing operation.Drive auxiliary switch 11 with working cylinder piston 19 joining auxiliary switch connecting rods 10 and move, send the closing position signal and excise the power switch loop, connect the separating brake electric power loop.
3. sub-switching operation:
Move when switching winding 14 energisings, the valve rod of control valve 16 is under the hydraulic oil effect, be transformed into the separating brake position, the hydraulic oil in F chamber, working cylinder piston 19 below injects low-pressure reservoir, because working cylinder piston 19 tops are normal high pressure, and working cylinder piston 19 is moved downward, and promptly realize mechanism's sub-switching operation, auxiliary switch 11 rotates, as shown in Figure 3.
Embodiment 2: structure of the present utility model is identical with embodiment 1, as Fig. 1, shown in Figure 2, comprise low-pressure reservoir 2, motor 3, oil pump 4, dish reed group 8, working cylinder 9, energy storage piston cylinder 18, support 1, auxiliary switch 11, control valve 16, safety relief valve 21 and travel switch 20, support 1 is fixed on the low-pressure reservoir 2, low-pressure reservoir 2 lower end installment work cylinder bodies 9, one end of working cylinder piston 18 is connected with auxiliary switch 11 by auxiliary switch connecting rod 10, the other end places working cylinder 9 inside, working cylinder 9 ends are set with base plate 22, at working cylinder 9 seal groove III50 place outer surfaces energy storage piston cylinder 18 is installed, form the energy storage mode configuration of ring-like energy storage piston cylinder 18 of jacket-type and working cylinder 9 sleeve types, energy storage piston cylinder 18 diameters are that the outer surface of φ h is set with pressing plate 6 and plectane 7, energy storage piston cylinder 18 diameters are that dish reed group 8 is installed between the handing-over end face on the φ h and the φ z face of cylinder and the base plate 22, energy storage piston cylinder 18 is the plug-in type assembling with dish reed group 8, become integrated morphology, working cylinder 9 each oil circuit connect with control valve 16 corresponding valve ports respectively, this routine control valve 16 is the two-bit triplet electromagnetically operated valve, be disposed with control valve 16 clockwise on edge, working cylinder 9 four sides, oil pump 4, safety relief valve 21 and travel switch 20, plectane 7 connects with safety relief valve 21, connects by drive system with travel switch 20.
Its working cylinder 9 is identical with embodiment 1, as Fig. 5, shown in Figure 6, two-stage cylinder φ e is φ 138mm in the middle of it, length A is 138mm, φ d is φ 108mm, and length B is 196mm, and the diameter of normal high pressure hydraulic fluid port is φ 17mm, the diameter of divide-shut brake hydraulic fluid port is φ 19mm, and the diameter of inner cylinder hole interlude is φ 32mm.Plectane 7 outer surfaces are cylinder, have the cylindrical hole that matches with pressing plate 6 diameter phi m therebetween.
Embodiment 3: structure of the present utility model is identical with embodiment 1, as Fig. 1, shown in Figure 2, comprise low-pressure reservoir 2, motor 3, oil pump 4, dish reed group 8, working cylinder 9, energy storage piston cylinder 18, support 1, auxiliary switch 11, control valve 16, safety relief valve 21 and travel switch 20, support 1 is fixed on the low-pressure reservoir 2, low-pressure reservoir 2 lower end installment work cylinder bodies 9, one end of working cylinder piston 18 is connected with auxiliary switch 11 by auxiliary switch connecting rod 10, the other end places working cylinder 9 inside, working cylinder 9 ends are set with base plate 22, in the outside, working cylinder 9 seal groove III50 places energy storage piston cylinder 18 is installed, form the energy storage mode configuration of ring-like energy storage piston cylinder 18 of jacket-type and working cylinder 9 sleeve types, energy storage piston cylinder 18 diameters are that the outer surface of φ h is set with pressing plate 6 and plectane 7, energy storage piston cylinder 18 diameters are between the end face of φ h and φ z face of cylinder handing-over and the base plate dish reed group 8 to be installed, energy storage piston cylinder 18 is the plug-in type assembling with dish reed group 8, become integrated morphology, making cylinder body 9 each oil circuit connects with control valve 16 corresponding valve ports respectively, this routine control valve 16 is the two-bit triplet electromagnetically operated valve, doing cylinder body 9 four sides along being disposed with control valve 16 clockwise, oil pump 4, safety relief valve 21 and travel switch 20, plectane 7 connects with safety relief valve 21, connects by drive system with travel switch 20.
Its working cylinder 9 is identical with embodiment 1, as Fig. 5, shown in Figure 6, two-stage cylinder φ e is φ 142mm in the middle of it, length A is 142mm, φ d is φ 112mm, and length B is 202mm, and the diameter of normal high pressure hydraulic fluid port is φ 20mm, the diameter of divide-shut brake hydraulic fluid port is φ 21mm, and the diameter of inner cylinder hole interlude is φ 38mm.As shown in figure 10, plectane 7 is a grooved, has the cylindrical hole that matches with pressing plate 6 diameter phi m on groove bottom.
Claims (7)
1. casing-integrated spring hydraulic operating mechanism that is used for primary cut-out, comprise low-pressure reservoir, motor, oil pump, dish reed group, working cylinder, the energy storage piston cylinder, support, auxiliary switch, control valve, safety relief valve and travel switch, it is characterized in that low-pressure reservoir lower end installment work cylinder body, the working cylinder end is set with base plate, outer surface is equipped with the energy storage piston cylinder at working cylinder seal groove III place, form the energy storage mode configuration of ring-like energy storage piston cylinder of jacket-type and working cylinder sleeve type, the energy storage piston cylinder face of cylinder is that the outer surface of φ h is set with pressing plate and plectane, the energy storage piston cylinder face of cylinder is between the end face of φ h and φ z handing-over and the base plate dish reed group to be installed, energy storage piston cylinder and dish reed group are the plug-in type assembling, become integrated morphology, corresponding with the control valve respectively valve port of each oil circuit of working cylinder connects, be disposed with control valve clockwise on edge, working cylinder four sides, oil pump, safety relief valve, travel switch, plectane connects with safety relief valve, connects by drive system with travel switch.
2. a kind of casing-integrated spring hydraulic operating mechanism that is used for primary cut-out according to claim 1, it is characterized in that the described working cylinder outer surface one end side of being body, the centre is the two-stage cylinder, diameter is followed successively by φ e and φ d, end is the external screw thread body, diameter is that φ e cylinder side is provided with seal groove, have oil-in and advance the high pressure hydraulic fluid port in tetragonal body one side, it is φ d cylindrical section that the oil circuit that advances hydraulic oil extends to diameter, opposite side at tetragonal body oil-feed oral-lateral has and oil-out, normal high pressure hydraulic fluid port and divide-shut brake hydraulic fluid port, connect with the corresponding valve port of control valve respectively, working cylinder inside is three grades of cylindrical holes, the size of its two terminal circle column diameter for matching with working cylinder piston.
3. a kind of casing-integrated spring hydraulic operating mechanism that is used for primary cut-out according to claim 2, it is characterized in that the length A scope that described middle two-stage cylinder diameter is φ e is 138mm～142mm, diameter is that the length B scope of φ d is 196mm～202mm, the diameter range of normal high pressure hydraulic fluid port is: φ 17mm～φ 20mm, the diameter range of divide-shut brake hydraulic fluid port is: φ 19mm～φ 21mm, the diameter of inner cylinder hole interlude is φ 32～φ 38, the scope of φ d is φ 108mm～φ 102mm, and the scope of φ e is φ 138mm～φ 142mm.
4. a kind of casing-integrated spring hydraulic operating mechanism that is used for primary cut-out according to claim 1, it is characterized in that described energy storage piston cylinder outer surface is the level Four cylinder, inside is the two-stage cylindrical hole, have seal groove on the two-stage cylindrical hole, interior cylindrical hole aperture is that φ d and φ e are of a size of the size that matches with working cylinder.
5. a kind of casing-integrated spring hydraulic operating mechanism that is used for primary cut-out according to claim 1 is characterized in that described pressing plate outer surface is the two-stage cylinder, and the end face that diameter is big is provided with location notch, and inner surface is a cylindrical hole.
6. a kind of casing-integrated spring hydraulic operating mechanism that is used for primary cut-out according to claim 1 is characterized in that described plectane outer surface is a cylinder, has the cylindrical hole that matches with pressing plate diameter phi m therebetween.
7. a kind of casing-integrated spring hydraulic operating mechanism that is used for primary cut-out according to claim 1 is characterized in that described plectane is a grooved, has the cylindrical hole that matches with pressing plate diameter phi m on groove bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200105386U CN201007979Y (en) | 2007-02-09 | 2007-02-09 | Casing integrated type spring hydraulic pressure control mechanism for high-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200105386U CN201007979Y (en) | 2007-02-09 | 2007-02-09 | Casing integrated type spring hydraulic pressure control mechanism for high-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201007979Y true CN201007979Y (en) | 2008-01-16 |
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ID=39003929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200105386U Expired - Lifetime CN201007979Y (en) | 2007-02-09 | 2007-02-09 | Casing integrated type spring hydraulic pressure control mechanism for high-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201007979Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100583341C (en) * | 2007-02-09 | 2010-01-20 | 沈阳东华工大高压电器设备有限公司 | Casing-integrated spring hydraulic operation mechanism for primary cut-out |
| CN103441005A (en) * | 2013-09-12 | 2013-12-11 | 丹东金桥车辆配件有限公司 | Hydraulic spring operation device applied to operation of opening and closing high-voltage circuit breaker |
| CN104143489A (en) * | 2013-11-13 | 2014-11-12 | 国家电网公司 | Signal cylinder and hydraulic operating mechanism with signal cylinder |
| CN106298304A (en) * | 2016-10-19 | 2017-01-04 | 平高集团有限公司 | A kind of hydraulic pressure spring operating mechanism and travel switch assembly thereof |
-
2007
- 2007-02-09 CN CNU2007200105386U patent/CN201007979Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100583341C (en) * | 2007-02-09 | 2010-01-20 | 沈阳东华工大高压电器设备有限公司 | Casing-integrated spring hydraulic operation mechanism for primary cut-out |
| CN103441005A (en) * | 2013-09-12 | 2013-12-11 | 丹东金桥车辆配件有限公司 | Hydraulic spring operation device applied to operation of opening and closing high-voltage circuit breaker |
| CN103441005B (en) * | 2013-09-12 | 2015-07-15 | 丹东金桥车辆配件有限公司 | Hydraulic spring operation device applied to operation of opening and closing high-voltage circuit breaker |
| CN104143489A (en) * | 2013-11-13 | 2014-11-12 | 国家电网公司 | Signal cylinder and hydraulic operating mechanism with signal cylinder |
| CN106298304A (en) * | 2016-10-19 | 2017-01-04 | 平高集团有限公司 | A kind of hydraulic pressure spring operating mechanism and travel switch assembly thereof |
| CN106298304B (en) * | 2016-10-19 | 2019-08-13 | 平高集团有限公司 | A kind of hydraulic pressure spring operating mechanism and its travel switch component |
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