CN207570774U - One-way valve pressure test device for construction machinery - Google Patents
One-way valve pressure test device for construction machinery Download PDFInfo
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- CN207570774U CN207570774U CN201721645075.0U CN201721645075U CN207570774U CN 207570774 U CN207570774 U CN 207570774U CN 201721645075 U CN201721645075 U CN 201721645075U CN 207570774 U CN207570774 U CN 207570774U
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000010276 construction Methods 0.000 title claims description 10
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 12
- 230000007547 defect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 19
- 239000010720 hydraulic oil Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
技术领域：Technical field:
本实用新型属于工程机械技术领域，具体地说，尤其涉及一种工程机械用单向阀压力测试装置。The utility model belongs to the technical field of construction machinery, and in particular relates to a pressure test device for a one-way valve used in construction machinery.
背景技术：Background technique:
目前，在工程机械散热器上为了解决液压油散热器压力突然增大，在散热器上安装单向阀，而单向阀的压力需要满足设计性能和使用要求。At present, in order to solve the sudden increase in the pressure of the hydraulic oil radiator on the radiator of construction machinery, a check valve is installed on the radiator, and the pressure of the check valve needs to meet the design performance and use requirements.
传统的对单向阀压力测试方法，即对单向阀进油端连接加压装置，这种装置能够测试出在静态压力下的开启压力，但不能模拟在冲击下，即在液压油大流量和压力工况下，测试单向阀的开启压力，满足不了装载机的使用状态，不能准确地模拟工况，满足使用要求。The traditional pressure test method for the check valve is to connect the pressure device to the oil inlet of the check valve. This device can test the cracking pressure under static pressure, but it cannot simulate the pressure under impact, that is, under the large flow of hydraulic oil. Under the condition of pressure and pressure, testing the opening pressure of the one-way valve cannot satisfy the use state of the loader, and cannot accurately simulate the working conditions to meet the use requirements.
发明内容：Invention content:
为了解决现有技术中传统单向阀压力测试装置存在的不能模拟在冲击下单向阀的开启压力的缺点，本实用新型提供了一种区别于现有技术的工程机械用单向阀压力测试装置，其结构简单、安装使用方便；可模拟在冲击下单向阀的开启压力。In order to solve the shortcomings of the traditional one-way valve pressure test device in the prior art that cannot simulate the opening pressure of the one-way valve under impact, the utility model provides a pressure tester for a one-way valve for construction machinery that is different from the prior art. The device has a simple structure and is convenient to install and use; it can simulate the opening pressure of a one-way valve under impact.
为了实现上述目的，本实用新型是采用以下技术方案实现的：In order to achieve the above object, the utility model is achieved by adopting the following technical solutions:
一种工程机械用单向阀压力测试装置，包括进油主管路和三通管路，进油主管路的一端与三通管路连接，所述进油主管路上设有第一流量计和第一压力测量装置，所述三通管路上设有单向阀、第一流量控制阀和第三压力测量装置；所述单向阀的进油口与第一流量控制阀连接，第三压力测量装置安装在单向阀的出油口上；所述第一流量计的一端与第一流量控制阀连接，第一压力测量装置安装在第一流量计的另一端管路上。A pressure test device for a one-way valve for construction machinery, comprising a main oil inlet pipeline and a three-way pipeline, one end of the main oil inlet pipeline is connected to the three-way pipeline, and a first flowmeter and a second flow meter are arranged on the main oil inlet pipeline. A pressure measurement device, a check valve, a first flow control valve and a third pressure measurement device are arranged on the three-way pipeline; the oil inlet of the check valve is connected with the first flow control valve, and the third pressure measurement The device is installed on the oil outlet of the one-way valve; one end of the first flowmeter is connected with the first flow control valve, and the first pressure measuring device is installed on the pipeline at the other end of the first flowmeter.
进一步地，所述进油主管路上还设有第二流量计、第二流量控制阀和第二压力测量装置，所述第二流量控制阀的一端与第二流量计连接，另一端与第一流量计连接，第二压力测量装置安装在第二流量计和第二流量控制阀的中间管路上。Further, a second flowmeter, a second flow control valve and a second pressure measuring device are also provided on the main oil inlet line, one end of the second flow control valve is connected to the second flowmeter, and the other end is connected to the first The flow meter is connected, and the second pressure measurement device is installed on the intermediate pipeline between the second flow meter and the second flow control valve.
进一步地，所述第一压力测量装置、第二压力测量装置和第三压力测量装置为压力表或压力传感器。Further, the first pressure measurement device, the second pressure measurement device and the third pressure measurement device are pressure gauges or pressure sensors.
与现有技术相比，本实用新型的有益效果是：Compared with the prior art, the beneficial effects of the utility model are:
1、结构简单，安装使用方便；1. Simple structure, easy to install and use;
2、采用第一流量控制阀和第二流量控制阀调节流量，模拟液压油散；2. Use the first flow control valve and the second flow control valve to adjust the flow and simulate hydraulic oil dispersion;
3、第一流量计和第二流量计的差值为通过单向阀的流量，采用两处流量计可减少误差；3. The difference between the first flowmeter and the second flowmeter is the flow through the one-way valve, and the error can be reduced by using two flowmeters;
4、可快速模拟在冲击下单向阀的开启压力。4. It can quickly simulate the opening pressure of the check valve under impact.
附图说明：Description of drawings:
图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
图中：1、单向阀；2、第一流量控制阀；3、油箱；4、第二流量计；5、第二流量控制阀；6、第二压力测量装置；7、第一流量计；8、油散进油口；9、第一压力测量装置；10、进油主管路；11、三通管路；12、第三压力测量装置。In the figure: 1. Check valve; 2. First flow control valve; 3. Fuel tank; 4. Second flowmeter; 5. Second flow control valve; 6. Second pressure measuring device; 7. First flowmeter ; 8, oil scattered oil inlet; 9, the first pressure measuring device; 10, the oil inlet main pipeline; 11, three-way pipeline; 12, the third pressure measuring device.
具体实施方式：Detailed ways:
下面通过具体实施例并结合附图对本实用新型作进一步说明。The utility model will be further described below through specific embodiments in conjunction with the accompanying drawings.
实施例1：Example 1:
如图1所示，一种工程机械用单向阀压力测试装置，包括进油主管路10和三通管路11，进油主管路10的一端与三通管路11连接，所述进油主管路10上设有第一流量计7和第一压力测量装置9，所述三通管路11上设有单向阀1、第一流量控制阀2和第三压力测量装置12；所述单向阀1的进油口与第一流量控制阀2连接，第三压力测量装置12安装在单向阀1的出油口上；所述第一流量计7的一端与第一流量控制阀2连接，第一压力测量装置9安装在第一流量计7的另一端管路上。As shown in Figure 1, a kind of one-way valve pressure testing device for construction machinery, comprises oil inlet main pipeline 10 and three-way pipeline 11, and one end of oil inlet main pipeline 10 is connected with three-way pipeline 11, and described oil inlet The main pipeline 10 is provided with a first flowmeter 7 and a first pressure measuring device 9, and the three-way pipeline 11 is provided with a check valve 1, a first flow control valve 2 and a third pressure measuring device 12; The oil inlet of the one-way valve 1 is connected with the first flow control valve 2, and the third pressure measuring device 12 is installed on the oil outlet of the one-way valve 1; one end of the first flowmeter 7 is connected with the first flow control valve 2 The first pressure measuring device 9 is installed on the other end of the first flow meter 7 on the pipeline.
实施例2：Example 2:
一种工程机械用单向阀压力测试装置，进油主管路10上还设有第二流量计4、第二流量控制阀5和第二压力测量装置6，所述第二流量控制阀5的一端与第二流量计4连接，另一端与第一流量计7连接，第二压力测量装置6安装在第二流量计4和第二流量控制阀5的中间管路上；所述第一压力测量装置9、第二压力测量装置6和第三压力测量装置12为压力表或压力传感器。其他部分与实施例1相同。A check valve pressure testing device for construction machinery, the main oil inlet line 10 is also provided with a second flow meter 4, a second flow control valve 5 and a second pressure measurement device 6, the second flow control valve 5 One end is connected with the second flowmeter 4, and the other end is connected with the first flowmeter 7, and the second pressure measuring device 6 is installed on the intermediate pipeline between the second flowmeter 4 and the second flow control valve 5; the first pressure measurement The device 9, the second pressure measuring device 6 and the third pressure measuring device 12 are pressure gauges or pressure sensors. Other parts are identical with embodiment 1.
本实用新型安装使用时：将单向阀1安装在散热器上，进油主管路10的一侧接油散进油口8，三通管路11的两侧分别接入油箱3中。When the utility model is installed and used: the one-way valve 1 is installed on the radiator, the oil inlet 8 is connected to one side of the main oil inlet pipeline 10, and the two sides of the three-way pipeline 11 are connected in the oil tank 3 respectively.
第一流量控制阀2和第二流量控制阀5控制进入单向阀1的流量；第二压力测量装置6监视和测量该支路的压力。The first flow control valve 2 and the second flow control valve 5 control the flow entering the one-way valve 1; the second pressure measuring device 6 monitors and measures the pressure of the branch.
调节第一流量控制阀2和第二流量控制阀5的开启，模拟液压油散，可实现对整个装置的压力测试，此装置使用方便，可以快速测试出单向阀1在某流量下的压力。Adjusting the opening of the first flow control valve 2 and the second flow control valve 5, simulating hydraulic oil dispersion, can realize the pressure test of the whole device. This device is easy to use and can quickly test the pressure of the check valve 1 at a certain flow rate .
液压油散中单向阀1的开启压力大小是影响单向阀1是否开启的主要因素，因此本实用新型包括两个测试部分，第一是压力测试部分，第二是流量测试部分，由此可计算出单向阀1在开启30°、60°和完全开启三种状态下的流量和压力损失。The opening pressure of the one-way valve 1 in the hydraulic oil dispersion is the main factor affecting whether the one-way valve 1 is opened, so the utility model includes two test parts, the first is the pressure test part, and the second is the flow test part, thus The flow rate and pressure loss of the check valve 1 in three states of opening 30°, 60° and fully opening can be calculated.
通过单向阀1的流量的计算方式为：第一流量计7-第二流量计4。The calculation method of the flow rate passing through the one-way valve 1 is: first flow meter 7 - second flow meter 4 .
经过单向阀1的压力损失的计算方式为：第一压力测量装置9-第三压力测量装置12。The calculation method of the pressure loss passing through the one-way valve 1 is: the first pressure measuring device 9 - the third pressure measuring device 12 .
Claims (3)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721645075.0U CN207570774U (en) | 2017-11-30 | 2017-11-30 | One-way valve pressure test device for construction machinery |
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| CN201721645075.0U CN207570774U (en) | 2017-11-30 | 2017-11-30 | One-way valve pressure test device for construction machinery |
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| CN207570774U true CN207570774U (en) | 2018-07-03 |
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| CN201721645075.0U Expired - Fee Related CN207570774U (en) | 2017-11-30 | 2017-11-30 | One-way valve pressure test device for construction machinery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630589A (en) * | 2019-10-15 | 2019-12-31 | 宁波海宏液压有限公司 | Automatic test system and method for hydraulic check valve |
| CN112182811A (en) * | 2020-11-03 | 2021-01-05 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Method and device for evaluating operating pressure loss value of hydraulic operating mechanism, electronic equipment and storage medium |
| CN113790845A (en) * | 2021-10-18 | 2021-12-14 | 山东泰丰智能控制股份有限公司 | Ultrahigh pressure circulation experimental device |
-
2017
- 2017-11-30 CN CN201721645075.0U patent/CN207570774U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630589A (en) * | 2019-10-15 | 2019-12-31 | 宁波海宏液压有限公司 | Automatic test system and method for hydraulic check valve |
| CN112182811A (en) * | 2020-11-03 | 2021-01-05 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Method and device for evaluating operating pressure loss value of hydraulic operating mechanism, electronic equipment and storage medium |
| CN113790845A (en) * | 2021-10-18 | 2021-12-14 | 山东泰丰智能控制股份有限公司 | Ultrahigh pressure circulation experimental device |
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