CN202229980U - Hydraulic pressurizing system of testing machine - Google Patents
Hydraulic pressurizing system of testing machine Download PDFInfo
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- CN202229980U CN202229980U CN2011203653162U CN201120365316U CN202229980U CN 202229980 U CN202229980 U CN 202229980U CN 2011203653162 U CN2011203653162 U CN 2011203653162U CN 201120365316 U CN201120365316 U CN 201120365316U CN 202229980 U CN202229980 U CN 202229980U
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Abstract
The utility model discloses a hydraulic system, and particularly relates to the hydraulic pressurizing system of a testing machine. The hydraulic pressurizing system of the testing machine comprises an oil tank, an oil pump, an oil cylinder, an oil inlet pipeline, an oil return pipeline, a first oil pipe, a first electromagnetic reversing valve and a one-way throttle valve, wherein the oil tank is provided with a liquid level and liquid temperature gauge, the oil pump is arranged at the outer part of the oil tank and is communicated with the oil tank through the first oil pipe, the first oil pipe is provided with a ball valve, the oil pump is communicated with the oil cylinder through the oil inlet pipeline, the oil cylinder is communicated with the oil tank through the oil return pipeline, the first electromagnetic reversing valve is communicated with the oil inlet pipeline and the oil return pipeline, the one-way throttle valve is communicated with the oil inlet pipeline and the oil return pipeline and is positioned at the downstream position of the first electromagnetic reversing valve, the oil inlet pipeline is connected with a second oil pipe, and the second oil pipe is positioned at the upstream position of the first electromagnetic reversing valve, and is sequentially connected with a first energy accumulator and a second energy accumulator. According to the utility model, the damage to components of the hydraulic pressurizing system, due to superhigh oil temperature, can be effectively avoided.
Description
Technical field
The utility model relates to hydraulic system, particularly relates to a kind of testing machine hydraulic loading system.
Background technology
Domestic all the time highway construction is with the performance test of materials such as pitch and concrete, the equal dependence on import of employed pressue device, and the import pressurized testing machine not only costs an arm and a leg; And because of receiving structural limitations, its pressue device is placed on fuel tank internal with oil pump, and heat can't be discharged; Thereby cause the temperature rise of fuel tank inner fluid too high, seal element is aging too fast, oil leakage phenomenon often occurs; In addition press oil pump and work long hours pressure oil is provided because of original oil cylinder adds, this also is the major reason that causes the fluid temperature rise too high, too fast, because of energy consumption and leakage of oil problem; Often cause test to be interrupted, for performance test brings very big puzzlement.
The utility model content
For solving the problems of the technologies described above, the utility model provides a kind of and can effectively avoid owing to the too high testing machine hydraulic loading system that causes the damage of hydraulic loading system parts of oil temperature.
The testing machine hydraulic loading system of the utility model comprises fuel tank, oil pump, oil cylinder, in-line, return line, first oil pipe, first solenoid directional control valve and one-way throttle valve, and said fuel tank is provided with the liquid level liquid thermometer; Said oil pump is arranged on the outside of fuel tank and is communicated with through first oil pipe; Said first oil pipe is provided with ball valve, and oil pump is communicated with through in-line with said oil cylinder, and oil cylinder is communicated with through return line with fuel tank; Said first solenoid directional control valve all is communicated with in-line and return line; Said one-way throttle valve all is communicated with in-line and return line, and one-way throttle valve is positioned at the downstream of first solenoid directional control valve, and said in-line is connected with second oil pipe; Said second oil pipe is positioned at the upper reaches of said first solenoid directional control valve, is connected with first accumulator and second accumulator on said second oil pipe in turn.
The testing machine hydraulic loading system of the utility model; Said second oil pipe is connected with first pressure measuring tie-in, electron pressure switch and tubular type surplus valve in turn; On said first pressure measuring tie-in first tensimeter is installed; Said electron pressure switch is positioned at the upper reaches of first accumulator, and said tubular type surplus valve is positioned at the downstream of said second accumulator.
The testing machine hydraulic loading system of the utility model; Said in-line is communicated with retaining valve, proportional pressure-reducing valve and second pressure measuring tie-in; Said retaining valve is positioned at the upper reaches of second oil pipe; Said proportional pressure-reducing valve is between second oil pipe and first solenoid directional control valve, and second pressure measuring tie-in is equipped with second tensimeter on second pressure measuring tie-in between first solenoid directional control valve and proportional pressure-reducing valve.
The testing machine hydraulic loading system of the utility model, said return line is provided with the oil return oil filter, and said oil return oil filter is between first solenoid directional control valve and fuel tank.
The testing machine hydraulic loading system of the utility model; Also be connected with the 3rd oil pipe between said in-line and the return line; Said the 3rd oil pipe one end is between the retaining valve and second oil pipe; The other end of the 3rd oil pipe is communicated with the direct current surplus valve and second solenoid directional control valve on the 3rd oil pipe between first solenoid directional control valve and oil return oil filter.
The testing machine hydraulic loading system of the utility model, said fuel tank is provided with air cleaner.
Compared with prior art the beneficial effect of the utility model is: because fuel tank is provided with the liquid level liquid thermometer, oil pump is arranged on the outside of fuel tank and is communicated with through first oil pipe, and first oil pipe is provided with ball valve; Oil pump is communicated with through in-line with oil cylinder; Oil cylinder is communicated with through return line with fuel tank, and first solenoid directional control valve all is communicated with in-line and return line, and one-way throttle valve all is communicated with in-line and return line; One-way throttle valve is positioned at the downstream of first solenoid directional control valve; In-line is connected with second oil pipe, and second oil pipe is positioned at the upper reaches of first solenoid directional control valve, is connected with first accumulator and second accumulator on second oil pipe in turn; Like this, oil pump is arranged on the fuel tank outside, greatly reduces energy consumption; Reduced system's heating, avoided owing to oily warm amount can not distributed the damage that causes parts, and;, store and discharge fluid as auxiliary power source through first accumulator and second accumulator, fluid stores in first accumulator and second accumulator; For oil cylinder provides pressure oil-source, alleviated the work of oil pump, and used the efficient raising.
Description of drawings
Fig. 1 is the front view of the utility model;
Fig. 2 is the vertical view of the utility model;
Fig. 3 is the schematic diagram of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Like Fig. 1, Fig. 2 and shown in Figure 3, a kind of testing machine hydraulic loading system comprises fuel tank 1, oil pump 2, oil cylinder 3, in-line 4, return line 5, first oil pipe 11, first solenoid directional control valve 7 and one-way throttle valve 8; Fuel tank 1 is provided with liquid level liquid thermometer 9, and fuel tank 1 is provided with air cleaner 10, and oil pump 2 is arranged on the outside of fuel tank 1 and is communicated with through first oil pipe 11; First oil pipe 11 is provided with ball valve 12, and oil pump 2 is communicated with through in-line 4 with oil cylinder 3, and oil cylinder 3 is communicated with through return line 5 with fuel tank 1; First solenoid directional control valve 7 all is communicated with in-line 4 and return line 5; One-way throttle valve 8 all is communicated with in-line 4 and return line 5, and one-way throttle valve 8 is positioned at the downstream of first solenoid directional control valve 7, and in-line 4 is connected with second oil pipe 13; Second oil pipe 13 is positioned at the upper reaches of first solenoid directional control valve 7; Be connected with in turn on second oil pipe 13 on first pressure measuring tie-in 16, electron pressure switch 17, first accumulator 14, second accumulator 15 and tubular type surplus valve 19, the first pressure measuring tie-ins 16 first tensimeter 18 is installed, electron pressure switch 17 is positioned at the upper reaches of first accumulator 14; Tubular type surplus valve 19 is positioned at the downstream of second accumulator 15; In-line 4 is communicated with retaining valve 20, proportional pressure-reducing valve 6 and second pressure measuring tie-in 22, and retaining valve 20 is positioned at the upper reaches of second oil pipe 13, and proportional pressure-reducing valve 6 is between second oil pipe 13 and first solenoid directional control valve 7; Second pressure measuring tie-in 22 is between first solenoid directional control valve 7 and proportional pressure-reducing valve 6; Second tensimeter 23 is installed on second pressure measuring tie-in 22, and return line 5 is provided with oil return oil filter 21, and oil return oil filter 21 is between first solenoid directional control valve 7 and fuel tank 1; Also be connected with the 3rd oil pipe 24 between in-line 4 and the return line 5; The 3rd oil pipe 24 1 ends are between the retaining valve 20 and second oil pipe 13, and the other end of the 3rd oil pipe 24 is communicated with the direct current surplus valve 25 and second solenoid directional control valve 26 on the 3rd oil pipe 24 between first solenoid directional control valve 7 and oil return oil filter 21.
The utility model oil pump 2 is arranged on fuel tank 1 outside, greatly reduces energy consumption, has reduced system's heating; Avoided owing to oily warm amount can not distributed the damage that causes parts, and, through first accumulator 14 and second accumulator 15 as the auxiliary force source; Store and discharge fuel tank 1 and store at first accumulator 14 and second accumulator, 15 hydraulic oil; For oil cylinder 3 provides pressure oil-source, alleviated the work of oil pump 2, and used the efficient raising.
System pressure is set up by direct current surplus valve 25, tubular type surplus valve 19 in native system as safety valve usefulness, when system overpressure; Be used for protecting Hydraulic Elements such as first accumulator 14 and second accumulator 15 can not damage; When retaining valve 20 stops oil pump or oil pump drain charge, cut off the oil circuit between first accumulator 14 and second accumulator 15 and the oil pump 2, be convenient to the pressurize of first accumulator 14 and second accumulator 15; Air cleaner 10 keeps predetermined pressure in the fuel tank 1; Improve the suction capacity of oil pump 2, keep the steady of fuel tank 1 interior liquid, liquid level liquid thermometer 9 is used for showing liquid level position in the fuel tank 1; Oil return oil filter 21 is used in the filtering hydraulic system because the metallic particles that component abrasion produces and the rubber impurity of sealing part abrasion etc. keep clean the fluid that flows back to fuel tank 1.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and modification, these improvement and modification also should be regarded as the protection domain of the utility model.
Claims (6)
1. testing machine hydraulic loading system; Comprise fuel tank, oil pump, oil cylinder, in-line, return line, first oil pipe, first solenoid directional control valve and one-way throttle valve; It is characterized in that: said fuel tank is provided with the liquid level liquid thermometer, and said oil pump is arranged on the outside of fuel tank and is communicated with through first oil pipe, and said first oil pipe is provided with ball valve; Oil pump is communicated with through in-line with said oil cylinder; Oil cylinder is communicated with through return line with fuel tank, and said first solenoid directional control valve all is communicated with in-line and return line, and said one-way throttle valve all is communicated with in-line and return line; One-way throttle valve is positioned at the downstream of first solenoid directional control valve; Said in-line is connected with second oil pipe, and said second oil pipe is positioned at the upper reaches of first solenoid directional control valve, is connected with first accumulator and second accumulator on said second oil pipe in turn.
2. testing machine hydraulic loading system as claimed in claim 1; It is characterized in that: said second oil pipe is connected with first pressure measuring tie-in, electron pressure switch and tubular type surplus valve in turn; On said first pressure measuring tie-in first tensimeter is installed; Said electron pressure switch is positioned at the upper reaches of first accumulator, and said tubular type surplus valve is positioned at the downstream of said second accumulator.
3. testing machine hydraulic loading system as claimed in claim 1; It is characterized in that: said in-line is communicated with retaining valve, proportional pressure-reducing valve and second pressure measuring tie-in; Said retaining valve is positioned at the upper reaches of second oil pipe; Said proportional pressure-reducing valve is between second oil pipe and first solenoid directional control valve, and second pressure measuring tie-in is equipped with second tensimeter on second pressure measuring tie-in between first solenoid directional control valve and proportional pressure-reducing valve.
4. testing machine hydraulic loading system as claimed in claim 1 is characterized in that: said return line is provided with the oil return oil filter, and said oil return oil filter is between first solenoid directional control valve and fuel tank.
5. testing machine hydraulic loading system as claimed in claim 1; It is characterized in that: also be connected with the 3rd oil pipe between said in-line and the return line; Said the 3rd oil pipe one end is between the retaining valve and second oil pipe; The other end of the 3rd oil pipe is communicated with the direct current surplus valve and second solenoid directional control valve on the 3rd oil pipe between first solenoid directional control valve and oil return oil filter.
6. testing machine hydraulic loading system as claimed in claim 1 is characterized in that: said fuel tank is provided with air cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203653162U CN202229980U (en) | 2011-09-28 | 2011-09-28 | Hydraulic pressurizing system of testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203653162U CN202229980U (en) | 2011-09-28 | 2011-09-28 | Hydraulic pressurizing system of testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202229980U true CN202229980U (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203653162U Expired - Fee Related CN202229980U (en) | 2011-09-28 | 2011-09-28 | Hydraulic pressurizing system of testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202229980U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062143A (en) * | 2012-12-31 | 2013-04-24 | 太原重工股份有限公司 | Hydraulic control system and hydrostatic testing steel pipe machine oil-water balance system |
| CN103603832A (en) * | 2013-10-30 | 2014-02-26 | 无锡市海航电液伺服系统有限公司 | Hydraulic substation oil circuit system |
| CN103818546A (en) * | 2012-11-16 | 2014-05-28 | 哈尔滨飞机工业集团有限责任公司 | Operating power steering system for airplane hydraulic control |
| CN106989073A (en) * | 2017-04-28 | 2017-07-28 | 防城港市海河堤管理站 | Electrohydraulic controlling mechanism |
| CN107401537A (en) * | 2017-07-18 | 2017-11-28 | 浙江伟光泵阀制造有限公司 | A kind of dead electricity closes valve hydraulic station |
| CN108397445A (en) * | 2018-04-26 | 2018-08-14 | 蚌埠液力机械有限公司 | A kind of oil inlet oil return mechanism for hydraulic cylinder delivery test |
| CN108953249A (en) * | 2018-08-02 | 2018-12-07 | 清华大学 | Gear fatigue experiment hydraulic loading system |
| CN109115488A (en) * | 2018-08-02 | 2019-01-01 | 清华大学 | Gear fatigue experiment loading system fluid pressure line protective device |
| CN114183409A (en) * | 2021-12-15 | 2022-03-15 | 浙江微流纳米生物技术有限公司 | High-pressure nanometer homogenizer with multiple energy accumulators for stabilizing oil pressure |
-
2011
- 2011-09-28 CN CN2011203653162U patent/CN202229980U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818546A (en) * | 2012-11-16 | 2014-05-28 | 哈尔滨飞机工业集团有限责任公司 | Operating power steering system for airplane hydraulic control |
| CN103062143B (en) * | 2012-12-31 | 2015-12-23 | 太原重工股份有限公司 | A kind of hydraulic control system and hydrostatic test steel pipe machine oil-water balance system |
| CN103062143A (en) * | 2012-12-31 | 2013-04-24 | 太原重工股份有限公司 | Hydraulic control system and hydrostatic testing steel pipe machine oil-water balance system |
| CN103603832B (en) * | 2013-10-30 | 2017-12-29 | 无锡市海航电液伺服系统有限公司 | A kind of hydraulic substation oil circuit system |
| CN103603832A (en) * | 2013-10-30 | 2014-02-26 | 无锡市海航电液伺服系统有限公司 | Hydraulic substation oil circuit system |
| CN106989073A (en) * | 2017-04-28 | 2017-07-28 | 防城港市海河堤管理站 | Electrohydraulic controlling mechanism |
| CN106989073B (en) * | 2017-04-28 | 2019-08-23 | 陈悦雯 | Electrohydraulic controlling mechanism |
| CN107401537A (en) * | 2017-07-18 | 2017-11-28 | 浙江伟光泵阀制造有限公司 | A kind of dead electricity closes valve hydraulic station |
| CN107401537B (en) * | 2017-07-18 | 2019-02-01 | 浙江伟光泵阀制造有限公司 | A kind of power loss pass valve hydraulic station |
| CN108397445A (en) * | 2018-04-26 | 2018-08-14 | 蚌埠液力机械有限公司 | A kind of oil inlet oil return mechanism for hydraulic cylinder delivery test |
| CN108953249A (en) * | 2018-08-02 | 2018-12-07 | 清华大学 | Gear fatigue experiment hydraulic loading system |
| CN109115488A (en) * | 2018-08-02 | 2019-01-01 | 清华大学 | Gear fatigue experiment loading system fluid pressure line protective device |
| CN114183409A (en) * | 2021-12-15 | 2022-03-15 | 浙江微流纳米生物技术有限公司 | High-pressure nanometer homogenizer with multiple energy accumulators for stabilizing oil pressure |
| CN114183409B (en) * | 2021-12-15 | 2022-05-31 | 浙江微流纳米生物技术有限公司 | High-pressure nanometer homogenizer with multiple energy accumulators for stabilizing oil pressure |
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Legal Events
| 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: 20120523 Termination date: 20140928 |
|
| EXPY | Termination of patent right or utility model |