CN204677388U - A kind of ultrahigh pressure fast reserve pump - Google Patents
A kind of ultrahigh pressure fast reserve pump Download PDFInfo
- Publication number
- CN204677388U CN204677388U CN201520374238.0U CN201520374238U CN204677388U CN 204677388 U CN204677388 U CN 204677388U CN 201520374238 U CN201520374238 U CN 201520374238U CN 204677388 U CN204677388 U CN 204677388U
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- pump
- pressure
- valve
- low pressure
- fuel tank
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Abstract
The utility model discloses a kind of ultrahigh pressure fast reserve pump, relate to a kind of motor pump, solve the too fast workpiece of traditional single speed superpressure pump work speed and impact large, auxiliary time farm labourer and make the problem of inefficiency.Mainly comprise fuel tank, motor, low pressure pump, high-pressure service pump, low pressure relief valve, high-pressure overflow valve and three position four-way directional control valve.The utility model adopts the design of double speed pump structure, and significantly reduce service working time, operating rate is 3 ~ 5 times of traditional single speed pump, and working efficiency significantly improves; The utility model adjusts for work speed; avoid the damage of workpiece; protect and perform machinery; effectively improve process quality, construction quality; the utility model practicability is very strong; motor pump technical field can be widely used in, significant to national grid construction work technical field.
Description
Technical field
The utility model relates to a kind of motor pump, specifically, particularly relates to a kind of ultrahigh pressure fast reserve pump.
Background technique
Single speed superpressure pump is most widely used motor pump in China's current Phase of Electric Power Projects process, but along with the upgrading of national grid, along with the continuous increase of ± 800 kilovolts of direct currents, 1000 kilovolts of UHVAC transmission lines, along with the continuous appearance of big current, large-section lead, along with improving constantly of requiring the repairing of electric power route, along with the increasing of marcottage, amount of high-altitude operation, traditional single speed superpressure pump can not meet contemporary requirements of the times.Mainly there is following defect in tradition single speed superpressure pump: 1. work speed is too fast, so-called work speed refers to from workpiece stressed to matched moulds during this period of time, it is too fast that work enters the time, make closure pressing speed too fast, impact force is very large, thus workpiece cracking or inside workpiece Organizational Structure may be caused to crack, and also may cause the breakage of mould simultaneously, damage the pump housing even, build-up of pressure is unstable; 2. auxiliary time is oversize, after referring to that workpiece enters mould so-called auxiliary time, dynamic model start upwards to workpiece start stressed during this period of time with crimp dynamic model afterwards and returns the summation of initial position needed time, auxiliary time is oversize, causes equipment working efficiency low.
Summary of the invention
The utility model discloses a kind of ultrahigh pressure fast reserve pump, impact large, auxiliary time farm labourer make the problem of inefficiency for solving the too fast workpiece of traditional single speed superpressure pump work speed.
The utility model is achieved through the following technical solutions:
A kind of ultrahigh pressure fast reserve pump, comprise pump assembly and fuel tank, described pump assembly comprises oil pump and motor, described oil pump comprises low pressure pump and high-pressure service pump, described low pressure pump is all connected with fuel tank with the import of high-pressure service pump, and described low pressure delivery side of pump is divided into two branch roads, and Article 1 branch road is held with the P of low pressure relief valve and is connected, the outlet T end of described low pressure relief valve is connected with fuel tank, and Article 2 branch road to be held with the P of three position four-way directional control valve through one-way valve A and is connected; Described high pressure delivery side of pump is divided into three branch roads, Article 1, branch road is held with the P of high-pressure overflow valve and is connected, the T end of described high-pressure overflow valve is connected with fuel tank, and Article 2 branch road is held with the P of low pressure relief valve and is connected, and Article 3 branch road to be held with the P of three position four-way directional control valve through one-way valve B and is connected; The T end of described three position four-way directional control valve is connected with fuel tank, and A, B end of described three position four-way directional control valve is connected with execution machinery.
Described low pressure pump, high-pressure service pump are all connected with fuel tank by filter screen.
Described one-way valve A exports, one-way valve B outlet is equipped with pressure gauge.
Described three position four-way directional control valve is 3-position 4-way hand-operated direction valve.
Described oil pump adopts the two oil duct pump of six Plunger cam shaft type axial plungers, comprise camshaft, three low-pressure plungers of alternate setting, three high-pressure plungers of alternate setting, low pressure oil duct and high-pressure oil duct, described three low-pressure plungers, three high-pressure plungers are uniformly distributed around cam shaft heart septum, and described camshaft is arranged on the top of three low pressure stopper rods and three high pressure stopper rods.
Compared with prior art, the beneficial effects of the utility model are:
1. the utility model adopts the design of double speed pump structure, significantly reduce service working time, increase substantially the execution speed of the hydraulic tools such as hydraulic tongs, punching shearer, curved row's machine, tube bender, embossing machine, operating rate of the present utility model is 3 ~ 5 times of traditional single speed pump, and working efficiency significantly improves;
2. the utility model adjusts for work speed, avoids the damage of workpiece, protects and perform machinery, effectively improve process quality;
3. the utility model is in high-lift operation, because power source speed is fast, improves engineering efficiency and construction quality;
4. the utility model practicability is very strong, can be widely used in motor pump technical field, significant in national grid construction work technical field.
Accompanying drawing explanation
Fig. 1 is the utility model hydraulic schematic diagram;
Fig. 2 is the side cut away view of the utility model oil pump;
In figure: 1. fuel tank; 2. oil pump; 3. motor; 4. low pressure pump; 5. high-pressure service pump; 6. low pressure relief valve; 7. one-way valve A; 8. three position four-way directional control valve; 9. high-pressure overflow valve; 10. one-way valve B; 11. filter screens; 12. pressure gauges; 13. camshafts; 14. low-pressure plungers; 15. high-pressure plungers; 16. low pressure oil ducts; 17. high-pressure oil ducts.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated:
A kind of ultrahigh pressure fast reserve pump, comprise pump assembly and fuel tank 1, described pump assembly comprises oil pump 2 and motor 3, described oil pump 2 comprises low pressure pump 4 and high-pressure service pump 5, described low pressure pump 4 is all connected with fuel tank 1 with the import of high-pressure service pump 5, and the outlet of described low pressure pump 4 is divided into two branch roads, and Article 1 branch road is held with the P of low pressure relief valve 6 and is connected, the outlet T end of described low pressure relief valve 6 is connected with fuel tank 1, and Article 2 branch road to be held with the P of three position four-way directional control valve 8 through one-way valve A7 and is connected; Described high pressure delivery side of pump is divided into three branch roads, Article 1, branch road is held with the P of high-pressure overflow valve 9 and is connected, the T end of described high-pressure overflow valve 9 is connected with fuel tank 1, and Article 2 branch road is held with the P of low pressure relief valve 6 and is connected, and Article 3 branch road to be held with the P of three position four-way directional control valve 8 through one-way valve B10 and is connected; The T end of described three position four-way directional control valve 8 is connected with fuel tank 1, and A, B end of described three position four-way directional control valve 8 is connected with execution machinery.
Described low pressure pump 4, high-pressure service pump 5 are all connected with fuel tank 1 by filter screen 11.
Described one-way valve A7 exports, one-way valve B10 outlet is equipped with pressure gauge 12.
Described three position four-way directional control valve 8 is 3-position 4-way hand-operated direction valve.
Described oil pump 2 adopts the two oil duct pump of six Plunger cam shaft type axial plungers, comprise camshaft 13, three low-pressure plungers 14 of alternate setting, three high-pressure plungers 15 of alternate setting, low pressure oil duct 16 and high-pressure oil duct 17, described three low-pressure plungers 14, three high-pressure plungers 15 are uniformly distributed around interval, camshaft 13 axle center, and described camshaft 13 is arranged on the top of three low pressure stopper rods 14 and three high pressure stopper rods 15.
The utility model adopts the oil pump assy of high low pressure unification, by integrated with on a pump housing for 6 plungers.Three high-pressure plungers, 15, three low-pressure plungers 14 are uniformly distributed around interval, camshaft 13 axle center.When camshaft 13 rotates one week, once, under motor 3 drives with the rotating speed of 3600 revs/min, camshaft 13 rotating speed is 1590 revs/min in each plunger oil suction oil extraction work.Three low-pressure plungers 14 converge into the oil cylinder of the flow of pressurized feeding execution machinery of one 12.7 liters/min by oil duct; Three high-pressure plungers 15 converge into the oil cylinder of the flow of pressurized feeding execution machinery of one 2.5 liters/min by oil duct.
Embodiment:
For pressing tongs a job:
First crimping workpiece is placed between pressing mold, motor 3 starts, pull three position four-way directional control valve 8 to system loads, before workpiece is stressed, system pressure is close to zero, high-pressure service pump 5, low pressure pump 4 works simultaneously, at this moment low pressure flow is 15.2 liters/min, when upper and lower mould touches workpiece simultaneously, system pressure raises suddenly, when system pressure rises to 6Mpa, low pressure relief valve 6 is opened, low pressure oil is through low pressure relief valve 6 oil sump tank 1, at this moment oil pump 2 only has high-pressure service pump 5 to work, pressure constantly rises, the hydraulic oil being supplied to pressing tongs is down to 2.5 liters/min, workpiece is in crimped status, time is very short, be generally about 1 ~ 2 second, after pressing tongs matched moulds, three position four-way directional control valve 8 commutates, and system pressure disappears immediately, and low pressure pump 4 starts, and double pump is unified, and flow is 15.2 liters/min, and dynamic model gets back to origin-location fast.The utility model adopts the design of double speed pump structure, significantly reduce service working time, increase substantially the execution speed of the hydraulic tools such as hydraulic tongs, punching shearer, curved row's machine, tube bender, embossing machine, operating rate of the present utility model is 3 ~ 5 times of traditional single speed pump, and working efficiency significantly improves; The utility model adjusts for work speed, avoids the damage of workpiece, protects and perform machinery, effectively improve process quality; The utility model, in high-lift operation, because power source speed is fast, improves engineering efficiency and construction quality; The utility model practicability is very strong, can be widely used in motor pump technical field, significant to national grid construction work technical field
In sum, be only preferred embodiment of the present utility model, not be used for limit the utility model implement scope, all equalizations of doing according to shape, structure, feature and the spirit described in the utility model right change and modify, and all should be included in right of the present utility model.
Claims (5)
1. a ultrahigh pressure fast reserve pump, comprise pump assembly and fuel tank (1), described pump assembly comprises oil pump (2) and motor (3), it is characterized in that: described oil pump (2) comprises low pressure pump (4) and high-pressure service pump (5), described low pressure pump (4) is all connected with fuel tank (1) with the import of high-pressure service pump (5), the outlet of described low pressure pump (4) is divided into two branch roads, Article 1, branch road is held with the P of low pressure relief valve (6) and is connected, the outlet T end of described low pressure relief valve (6) is connected with fuel tank (1), Article 2 branch road to be held with the P of three position four-way directional control valve (8) through one-way valve A (7) and is connected, described high pressure delivery side of pump is divided into three branch roads, Article 1, branch road is held with the P of high-pressure overflow valve (9) and is connected, the T end of described high-pressure overflow valve (9) is connected with fuel tank (1), Article 2 branch road is held with the P of low pressure relief valve (6) and is connected, and Article 3 branch road to be held with the P of three position four-way directional control valve (8) through one-way valve B (10) and is connected, the T end of described three position four-way directional control valve (8) is connected with fuel tank (1), and A, B end of described three position four-way directional control valve (8) is connected with execution machinery.
2. a kind of ultrahigh pressure fast reserve pump according to claim 1, is characterized in that: described low pressure pump (4), high-pressure service pump (5) are all connected with fuel tank (1) by filter screen (11).
3. a kind of ultrahigh pressure fast reserve pump according to claim 1, is characterized in that: described one-way valve A (7) outlet, one-way valve B (10) outlet are equipped with pressure gauge (12).
4. a kind of ultrahigh pressure fast reserve pump according to claim 1, is characterized in that: described three position four-way directional control valve (8) is 3-position 4-way hand-operated direction valve.
5. a kind of ultrahigh pressure fast reserve pump according to claim 1, it is characterized in that: described oil pump (2) adopts the two oil duct pump of six Plunger cam shaft type axial plungers, comprise camshaft (13), three low-pressure plungers (14) of alternate setting, three high-pressure plungers (15) of alternate setting, low pressure oil duct (16) and high-pressure oil duct (17), described three low-pressure plungers (14), three high-pressure plungers (15) are uniformly distributed around camshaft (13) interval, axle center, described camshaft (13) is arranged on the top of three low pressure stopper rods (14) and three high pressure stopper rods (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520374238.0U CN204677388U (en) | 2015-06-02 | 2015-06-02 | A kind of ultrahigh pressure fast reserve pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520374238.0U CN204677388U (en) | 2015-06-02 | 2015-06-02 | A kind of ultrahigh pressure fast reserve pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204677388U true CN204677388U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520374238.0U Expired - Fee Related CN204677388U (en) | 2015-06-02 | 2015-06-02 | A kind of ultrahigh pressure fast reserve pump |
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| Country | Link |
|---|---|
| CN (1) | CN204677388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278231A (en) * | 2018-01-18 | 2018-07-13 | 西南交通大学 | A kind of safe voltage driving special integrated hydraulic power source of train re-railing equipment |
-
2015
- 2015-06-02 CN CN201520374238.0U patent/CN204677388U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278231A (en) * | 2018-01-18 | 2018-07-13 | 西南交通大学 | A kind of safe voltage driving special integrated hydraulic power source of train re-railing equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20160602 |
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| CF01 | Termination of patent right due to non-payment of annual fee |