CN101127279A - Multi-pole piston jar pump combination device for hydraulic pressure operation machine of high voltage breaker - Google Patents
Multi-pole piston jar pump combination device for hydraulic pressure operation machine of high voltage breaker Download PDFInfo
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- CN101127279A CN101127279A CNA2007100183074A CN200710018307A CN101127279A CN 101127279 A CN101127279 A CN 101127279A CN A2007100183074 A CNA2007100183074 A CN A2007100183074A CN 200710018307 A CN200710018307 A CN 200710018307A CN 101127279 A CN101127279 A CN 101127279A
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- pressure oil
- low pressure
- pump
- eccentric shaft
- plunger
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- 230000005405 multipole Effects 0.000 title claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 46
- 239000002131 composite material Substances 0.000 description 8
- 238000004146 energy storage Methods 0.000 description 8
- 239000000446 fuel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model provides an combination unit of multi-column cylinder plunger pump used in hydraulic pressure manipulating apparatus of a circuit breaker, which has large flow, good transmission performance and high productivity, aiming at overcoming the defects of incompact size, large power of the eccentric shaft and poor transmission performance of the oil pump in a single plunger pump with large amount of petroleum. The utility model comprises a plurality of oil pump components; wherein, the oil pump components comprise a single plunger pump, an eccentric shaft, a sealed low pressure oil chamber and a driving device. The utility model is characterized in that a bracket on the driving device is connected directly with a lateral face of the working cylinder to form a low pressure oil chamber; at least two single plunger pumps are supposed to be arranged in the low pressure oil chamber. Besides, the utility model is also characterized in that over two high pressure oil channels communicated with each oil-out of the column plunger pump respectively are arranged on one side of the working cylinder of the low pressure oil cylinder.
Description
Technical field
The present invention relates to be used as in a kind of primary cut-out hydraulic actuating mechanism and fill the multi-pole piston jar pump combination device that to suppress and use.
Background technology
At present, in hydraulic operating mechanism of high voltage circuit breaker, can suppress the oil pump assembly that uses and all add eccentric shaft and seal the low pressure oil pocket accordingly and form for hydraulic actuating mechanism fills by a plunger displacement pump, when the oil-filled amount of hydraulic mechanism increases with the need, all be to satisfy the demands by the oil drain quantity that increases plunger displacement pump.Along with the increase that the plunger-type fuel pump oil drain quantity is required, after to a certain degree, then following drawback can occur: (1) plungers pump plunger diameter increases, and has increased the volume and weight of plunger displacement pump; (2) the plungers pump plunger stroke increases, and the eccentric throw of eccentric shaft increases, and diameter increases; (3) volume of entire pump assembly and eccentric shaft pulsating force can increase, and the transmission performance of pump assembly can reduce; (4) along with the increase of relevant performance parameters of plunger displacement pump and correlated parts, the power requirement of motor increases.
Summary of the invention
Technical problem to be solved by this invention is big to existing volume of big oil drain quantity single plunger pump and eccentric shaft pulsating force, defectives such as the transmission reduction of oil pump assembly; Provide that a kind of flow is big, transmission performance good, the circuit breaker multi-pole piston jar pump combination device for hydraulic pressure operation machine of high efficiency.
For reaching above purpose, the present invention takes following technical scheme to be achieved:
A kind of hydraulic operating mechanism of high voltage circuit breaker multi-pole piston jar pump combination device, comprise the oil pump assembly, this oil pump assembly has plunger displacement pump, eccentric shaft and seals low pressure oil pocket and driving mechanism accordingly, it is characterized in that, the side connection direct by the support on the driving mechanism and working cylinder of described low pressure oil pocket forms, described plunger displacement pump is provided with two at least in this low pressure oil pocket, working cylinder one side of described low pressure oil pocket is corresponding to be provided with and to be no less than two high-pressure oil ducts and to be communicated with the oil-out of each plunger displacement pump respectively.
In the such scheme, described plunger displacement pump can be provided with two in the low pressure oil pocket, and it radially becomes 180 ° of symmetries to be loaded on eccentric shaft both sides in the low pressure oil pocket, the moving circle of eccentric shaft revolution, and each reciprocating motion of the plunger of two plunger displacement pumps once realizes that oil suction suppresses twice; Described plunger displacement pump also can be provided with three in the low pressure oil pocket, and radially become 120 ° be distributed in low pressure oil pocket inner eccentric shaft around, the moving circle of eccentric shaft revolution, each reciprocating motion of the plunger of three plunger displacement pumps once can realize that oil suction suppresses three times.
Compare with traditional hydraulic mechanism single plunger pump structure, technical scheme of the present invention is in the circuit breaker hydraulic actuating mechanism, plunger pair in the oil pump assembly adopts the structure of multicolumn plug symmetric arrangement, and utilizes the main working cylinder of hydraulic mechanism to form a kind of cylinder pump composite construction; This cylinder pump composite set can make the overall volume of hydraulic actuating mechanism greatly reduce, under same working condition, can reduce Oil pump electrical machinery power, energy savings, the stress of power transmission shaft is good when working flow increases, especially three plunger cylinder pump composite sets can obviously reduce pressure fluctuation, have increased the operating efficiency of oil pump greatly.
Description of drawings
Fig. 1 is the structural representation of hydraulic operating mechanism of high voltage circuit breaker of the present invention.
Fig. 2 is one embodiment of the present of invention double plunger cylinder pump composite set structural representation.Wherein: Fig. 2 (a) is its cutaway view; Fig. 2 (b) is that the A-A of Fig. 2 (a) is to view.
Fig. 3 is an alternative embodiment of the invention three plunger cylinder pump composite set structural representations.Wherein:
Fig. 3 (a) is its cutaway view; Fig. 3 (b) is that the B-B of Fig. 3 (a) is to view.
Fig. 4 is a plunger pump structure schematic diagram among Fig. 2-Fig. 3.
Among Fig. 1 to Fig. 4: 1, oil pump assembly; 2, working cylinder; 3, high-pressure oil duct; 4, plunger displacement pump; 5, Oil pump electrical machinery; 6, pinion; 7, gear wheel; 8, eccentric shaft; 9, support; 10, the pump housing; 11, spring; 12, plunger; 13, low pressure oil pocket; 14, energy storage piston cylinder; 15, energy storage piston; 16, energy storage dish spring.
Embodiment
The invention will be further described below in conjunction with drawings and the specific embodiments.
Fig. 1 is hydraulic operating mechanism of high voltage circuit breaker operating principle structural representation, and in this schematic diagram, it is that hydraulic actuating mechanism fills and can suppress that oil pump assembly 1 forms the cylinder pump combining structures with working cylinder 2, required hydraulic coupling when the hydraulic actuating mechanism action is provided.1 work of oil pump assembly is by high-pressure oil duct 3 hydraulic oil to be charged in the energy storage piston cylinder 14, is circuit breaker hydraulic actuating mechanism energy storage by energy storage piston 15 and compact disc spring 16.
As shown in Figure 2, a specific embodiment of the present invention is a double plunger cylinder pump composite set.Among the figure, Oil pump electrical machinery 5 is loaded on the support 9, and support 9 directly is loaded on a side of working cylinder 2, and form the low pressure oil pocket 13 of a sealing with working cylinder 2, and pinion 6 is contained on the motor output shaft, and eccentric shaft 8 one ends pass support 9, the other end inserts working cylinder 2, and can do gyration.Gear wheel 7 is installed on the end that eccentric shaft 8 stretches out from support 9, and two plunger displacement pumps 4 radially become 180 ° of symmetries to be loaded on low pressure oil pocket 13 inner eccentric shafts 8 both sides.When the operating mechanism need of work is suppressed, Oil pump electrical machinery 5 energisings are rotated, drive pinion 6 and rotate, 7 one-tenth 45 degree engagements of pinion 6 and gear wheel drive eccentric shaft 8 and rotate, the eccentric wheel of eccentric shaft 8 promotes plunger 12 (see figure 4)s of plunger displacement pump 4 and utilizes the thrust of spring 11 that plunger 12 is pumped, this moment, oil sucked from the upper end of plunger displacement pump 4, and discharged from the rear side of oil pump, and oil is pushed in the working cylinder 2 from oil duct 3, fuel feed pump plunger 12 reciprocating motions once, plunger displacement pump 4 is realized once suppressing.Eccentric shaft 8 rotates a circle, two fuel feed pump plunger 12 each reciprocating motions once, i.e. oil suction is suppressed twice.In this structure, there are two high-pressure oil ducts that are in parallel 3 to communicate with each plunger displacement pump 4 oil-out respectively on the working cylinder 2, these two oil ducts 3 finally lead to energy storage piston cylinder 14.
As shown in Figure 3, another specific embodiment of the present invention is three plunger cylinder pump composite sets.Among the figure, plunger displacement pump 4 is three, and radially become 120 ° be uniformly distributed in low pressure oil pocket 13 inner eccentric shafts 8 around.Its each plunger displacement pump 4 motions are suppressed process and the described double plunger of Fig. 2 and are suppressed oil pump to suppress process identical, and different is that eccentric shaft 8 revolutions move circles, 12 each reciprocating motion of three fuel feed pump plungers is then arranged once, i.e. oil suction is suppressed three times.In this structure, should have three to become 120 ° of uniform high-pressure oil ducts 3 to communicate with each plunger displacement pump 4 oil-out respectively on the working cylinder 2 mutually, these three oil ducts finally lead to energy storage piston cylinder 14.Other structures all double plunger cylinder pump composite set with shown in Figure 2 are identical.
Claims (3)
1. hydraulic operating mechanism of high voltage circuit breaker multi-pole piston jar pump combination device, comprise the oil pump assembly, this oil pump assembly has plunger displacement pump, eccentric shaft and seals low pressure oil pocket and driving mechanism accordingly, it is characterized in that, a described low pressure oil pocket side direct by the support on the driving mechanism and working cylinder is coupled to cylinder body, described plunger displacement pump is provided with two at least in this low pressure oil pocket, the corresponding high-pressure oil duct that is no less than two that is provided with of working cylinder one side of described low pressure oil pocket is communicated with the oil-out of each plunger displacement pump respectively.
2. hydraulic operating mechanism of high voltage circuit breaker multi-pole piston jar pump combination device according to claim 1, it is characterized in that, described plunger displacement pump is set to two in the low pressure oil pocket, it radially becomes 180 ° of symmetries to be loaded on the interior eccentric shaft both sides of low pressure oil pocket, the moving circle of eccentric shaft revolution, each reciprocating motion of the plunger of two plunger displacement pumps once realizes that oil suction suppresses twice.
3. hydraulic operating mechanism of high voltage circuit breaker multi-pole piston jar pump combination device according to claim 1, it is characterized in that, described plunger displacement pump is set to three in the low pressure oil pocket, its radially become 120 ° be distributed in low pressure oil pocket inner eccentric shaft around, the moving circle of eccentric shaft revolution, each reciprocating motion of the plunger of three plunger displacement pumps once can realize that oil suction suppresses three times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100183074A CN101127279A (en) | 2007-07-20 | 2007-07-20 | Multi-pole piston jar pump combination device for hydraulic pressure operation machine of high voltage breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100183074A CN101127279A (en) | 2007-07-20 | 2007-07-20 | Multi-pole piston jar pump combination device for hydraulic pressure operation machine of high voltage breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101127279A true CN101127279A (en) | 2008-02-20 |
Family
ID=39095268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100183074A Pending CN101127279A (en) | 2007-07-20 | 2007-07-20 | Multi-pole piston jar pump combination device for hydraulic pressure operation machine of high voltage breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101127279A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952754A (en) * | 2017-04-18 | 2017-07-14 | 中国西电电气股份有限公司 | Energy charging device for breaker hydraulic actuating mechanism |
| CN112700982A (en) * | 2020-12-14 | 2021-04-23 | 河南平高电气股份有限公司 | Hydraulic operating mechanism of circuit breaker |
| CN114198277A (en) * | 2021-12-14 | 2022-03-18 | 浙江工业大学 | Gear Driven Reciprocating Piston Pump |
-
2007
- 2007-07-20 CN CNA2007100183074A patent/CN101127279A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952754A (en) * | 2017-04-18 | 2017-07-14 | 中国西电电气股份有限公司 | Energy charging device for breaker hydraulic actuating mechanism |
| CN112700982A (en) * | 2020-12-14 | 2021-04-23 | 河南平高电气股份有限公司 | Hydraulic operating mechanism of circuit breaker |
| CN112700982B (en) * | 2020-12-14 | 2024-04-16 | 河南平高电气股份有限公司 | Hydraulic operating mechanism for circuit breaker |
| CN114198277A (en) * | 2021-12-14 | 2022-03-18 | 浙江工业大学 | Gear Driven Reciprocating Piston Pump |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: WEST CHINA ELECTRIC POWER CO. Free format text: FORMER OWNER: XI AN ELECTRIC MANUFACTURING CORP. Effective date: 20080905 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20080905 Address after: Shaanxi province Xi'an City West High Tang Hing Road No. 7 post encoding: 710075 Applicant after: China XD Electronic Corporation Address before: No. 29 North Road, Shaanxi post encoding Fengdeng city in Xi'an Province: 710077 Applicant before: Xi'an Electric Manufacturing Corp. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080220 |