CN211202451U - High-precision hydraulic oil temperature control device for hydraulic part testing - Google Patents
High-precision hydraulic oil temperature control device for hydraulic part testing Download PDFInfo
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- CN211202451U CN211202451U CN201922467331.7U CN201922467331U CN211202451U CN 211202451 U CN211202451 U CN 211202451U CN 201922467331 U CN201922467331 U CN 201922467331U CN 211202451 U CN211202451 U CN 211202451U
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Abstract
The utility model provides a hydraulic oil temperature high accuracy control device for hydraulic pressure spare test, include: a hydraulic oil tank, a hydraulic oil loop and a hydraulic oil pump; a hydraulic oil loop is arranged on the hydraulic oil tank, and a hydraulic oil pump, an overflow valve, a one-way valve, a tested device, a filter and a heat exchanger are arranged on the hydraulic oil loop; a hydraulic oil heating loop is also arranged on the hydraulic oil tank, and a heating oil pump, an electromagnetic valve and a safety valve are arranged on the hydraulic oil heating loop; the cooling water tank is arranged on one side of the hydraulic oil tank, and a cooling water loop is arranged on the cooling water tank; the cooling water loop is connected with the hydraulic oil loop through a heat exchanger, and a cooling water pump, a stop valve, an electromagnetic valve and a one-way valve are arranged on the cooling water loop; through the improvement to current device, it is rational in infrastructure to have, uses reliably, conveniently switches the operating condition of heat exchanger, effectively reduces the advantage of component damage to effectual solution the utility model provides a problem and not enough.
Description
Technical Field
The utility model relates to a hydraulic pressure spare test technical field, more specifically the theory that says so especially relates to a hydraulic oil temperature high accuracy control device for hydraulic pressure spare test.
Background
When tested devices such as a hydraulic cylinder and a multi-way valve are subjected to type tests, the temperature of hydraulic oil needs to be accurately controlled, for example: according to the regulation in GB/T15622-2005 "test methods for Hydraulic cylinders", the temperature needs to be precisely controlled, wherein the type test should be carried out at 50 ℃. + -. 2 ℃. At present, the heating mode of hydraulic oil is electric heating and hydraulic oil overflow heating, wherein the electric heating easily causes uneven temperature distribution of oil, so that the hydraulic oil overflow heating is usually adopted.
The hydraulic oil overflow heating is to preheat hydraulic oil in an unloading mode of an overflow valve or a safety valve in an oil path, and in order to keep the hydraulic oil at a proper temperature, a cooling water path and a heat exchanger are needed to control the oil temperature, wherein the cooling water path is usually provided with an electromagnetic valve. However, in the actual use process, the heat exchanger connected with the cooling water path is easy to block, so that the electromagnetic valve is damaged due to overhigh local water pressure, the working state of the heat exchanger is inconvenient to control, and the use requirements of people cannot be met.
In view of the above, the present invention provides a high-precision hydraulic oil temperature control device for testing hydraulic parts, which is developed and improved in view of the conventional problems, and aims to achieve the purposes of solving the problems and improving the practical value by using the technology.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic oil temperature high accuracy control device for hydraulic pressure spare test to in the in-service use in-process that proposes in solving above-mentioned background art, the heat exchanger that is connected with the cooling water route takes place to block up easily, makes local water pressure too high and damage the solenoid valve, and the operating condition of inconvenient control heat exchanger still can not satisfy people's user demand's problem and not enough in addition.
In order to achieve the above object, the utility model provides a hydraulic oil temperature high accuracy control device for hydraulic pressure spare test is reached by following specific technological means:
a hydraulic oil temperature high accuracy control device for hydraulic pressure spare test includes: the device comprises a hydraulic oil tank, a hydraulic oil loop, a hydraulic oil pump, an overflow valve, a one-way valve, a tested device, a filter, a heat exchanger, a hydraulic oil heating loop, a heating oil pump, an electromagnetic valve, a safety valve, a cooling water tank, a cooling water loop, a cooling water pump and a stop valve; a hydraulic oil loop is arranged on the hydraulic oil tank, and a hydraulic oil pump, an overflow valve, a one-way valve, a tested device, a filter and a heat exchanger are arranged on the hydraulic oil loop; a hydraulic oil heating loop is also arranged on the hydraulic oil tank, and a heating oil pump, an electromagnetic valve and a safety valve are arranged on the hydraulic oil heating loop; the cooling water tank is arranged on one side of the hydraulic oil tank, and a cooling water loop is arranged on the cooling water tank; the cooling water loop is connected with the hydraulic oil loop through the heat exchanger, and a cooling water pump, a stop valve, an electromagnetic valve and a one-way valve are arranged on the cooling water loop.
As a further optimization of this technical scheme, the utility model relates to a hydraulic oil temperature high accuracy control device for hydraulic pressure spare test the parallelly connected setting of check valve is on the cooling water circuit of heat exchanger one side.
As a further optimization of this technical scheme, the utility model relates to a hydraulic oil temperature high accuracy control device for hydraulic pressure spare test be provided with two solenoid valves on the cooling water circuit altogether.
As a further optimization of this technical scheme, the utility model relates to a hydraulic oil temperature high accuracy control device for hydraulic pressure spare test the heat exchanger is plate heat exchanger.
As a further optimization of this technical scheme, the utility model relates to a hydraulic oil temperature high accuracy control device for hydraulic pressure spare test the filter is tubular oil return filter.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses a parallelly connected setting that sets up on the cooling water return circuit of heat exchanger one side of check valve, when the heat exchanger blockked up, the cooling water accessible check valve backward flow of flow direction heat exchanger reduced the possibility of component damage in going into the cooling water tank.
2. The utility model discloses a be provided with the setting of two solenoid valves on the cooling water circuit altogether, whether accessible two solenoid valve control cooling water flows into the heat exchanger, conveniently switches the operating condition of heat exchanger.
3. The utility model discloses a filter is tubular oil return filter's setting, can intercept the impurity in the oil return, guarantees hydraulic system's normal work.
4. The utility model discloses an improvement to current device has rational in infrastructure, uses reliably, conveniently switches the operating condition of heat exchanger, effectively reduces the advantage of component damage to effectual solution the utility model provides a problem and not enough.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a hydraulic oil tank 1, a hydraulic oil circuit 2, a hydraulic oil pump 3, an overflow valve 4, a one-way valve 5, a tested device 6, a filter 7, a heat exchanger 8, a hydraulic oil heating circuit 9, a heating oil pump 10, an electromagnetic valve 11, a safety valve 12, a cooling water tank 13, a cooling water circuit 14, a cooling water pump 15 and a stop valve 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present invention provides a specific technical implementation of a high-precision control device for hydraulic oil temperature used in hydraulic part testing:
a hydraulic oil temperature high accuracy control device for hydraulic pressure spare test includes: the system comprises a hydraulic oil tank 1, a hydraulic oil loop 2, a hydraulic oil pump 3, an overflow valve 4, a one-way valve 5, a tested device 6, a filter 7, a heat exchanger 8, a hydraulic oil heating loop 9, a heating oil pump 10, an electromagnetic valve 11, a safety valve 12, a cooling water tank 13, a cooling water loop 14, a cooling water pump 15 and a stop valve 16; a hydraulic oil loop 2 is arranged on the hydraulic oil tank 1, and a hydraulic oil pump 3, an overflow valve 4, a one-way valve 5, a tested device 6, a filter 7 and a heat exchanger 8 are arranged on the hydraulic oil loop 2; a hydraulic oil heating loop 9 is also arranged on the hydraulic oil tank 1, and a heating oil pump 10, an electromagnetic valve 11 and a safety valve 12 are arranged on the hydraulic oil heating loop 9; the cooling water tank 13 is arranged on one side of the hydraulic oil tank 1, and a cooling water loop 14 is arranged on the cooling water tank 13; the cooling water loop 14 is connected with the hydraulic oil loop 2 through a heat exchanger 8, and a cooling water pump 15, a stop valve 16, an electromagnetic valve 11 and a one-way valve 5 are arranged on the cooling water loop 14.
Specifically, the check valve 5 is arranged on the cooling water loop 14 on one side of the heat exchanger 8 in parallel, when the heat exchanger 8 is blocked, the cooling water flowing to the heat exchanger 8 can flow back into the cooling water tank 13 through the check valve 5, and the possibility of component damage is reduced.
Specifically, two electromagnetic valves 11 are arranged on the cooling water loop 14, and whether cooling water flows into the heat exchanger 8 or not can be controlled through the two electromagnetic valves 11, so that the working state of the heat exchanger 8 is conveniently switched.
Specifically, the heat exchanger 8 is a plate heat exchanger which is simple in structure and high in heat transfer efficiency.
Specifically, the filter 7 is a tubular oil return filter, which can intercept impurities in oil return and ensure the normal operation of the hydraulic system.
The method comprises the following specific implementation steps:
when the hydraulic oil is heated, the hydraulic oil pump 3 and the heating oil pump 10 are started, the hydraulic oil in the hydraulic oil tank 1 can flow on the hydraulic oil loop 2 and the oil heating loop 9 in a circulating mode, kinetic energy is converted into heat energy through overflow of the overflow valve 4 and the safety valve 12 to achieve overflow heating of the hydraulic oil, when the temperature of the hydraulic oil is too high, the cooling water loop 14 can be communicated with the heat exchanger 8 through the electromagnetic valve 11, the cooling water pump 15 pumps cooling water in the cooling water tank 13 into the heat exchanger 8, when the temperature of the hydraulic oil is too low, the cooling water loop 14 can be disconnected from the heat exchanger 8 through the electromagnetic valve 11, cooling water is prevented from entering the heat exchanger 8, in addition, when the heat exchanger 8 is blocked, the cooling water flowing to the heat exchanger 8 can flow back into the cooling water tank 13 through the check valve 5, the possibility of damage of the electromagnetic valve.
In summary, the following steps: according to the high-precision hydraulic oil temperature control device for testing the hydraulic part, the check valve is arranged on the cooling water loop on one side of the heat exchanger in parallel, when the heat exchanger is blocked, the cooling water flowing to the heat exchanger can flow back into the cooling water tank through the check valve, and the possibility of damage to elements is reduced; through the arrangement of two electromagnetic valves arranged on the cooling water loop, whether cooling water flows into the heat exchanger can be controlled through the two electromagnetic valves, and the working state of the heat exchanger is convenient to switch; the filter is a tubular oil return filter, so that impurities in return oil can be intercepted, and the normal work of a hydraulic system is ensured; through the improvement to current device, it is rational in infrastructure to have, uses reliably, conveniently switches the operating condition of heat exchanger, effectively reduces the advantage of component damage to effectual solution the utility model provides a problem and not enough.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A hydraulic oil temperature high accuracy control device for hydraulic pressure spare test includes: the device comprises a hydraulic oil tank (1), a hydraulic oil loop (2), a hydraulic oil pump (3), an overflow valve (4), a one-way valve (5), a tested device (6), a filter (7), a heat exchanger (8), a hydraulic oil heating loop (9), a heating oil pump (10), an electromagnetic valve (11), a safety valve (12), a cooling water tank (13), a cooling water loop (14), a cooling water pump (15) and a stop valve (16); the method is characterized in that: a hydraulic oil loop (2) is arranged on the hydraulic oil tank (1), and a hydraulic oil pump (3), an overflow valve (4), a one-way valve (5), a tested device (6), a filter (7) and a heat exchanger (8) are arranged on the hydraulic oil loop (2); a hydraulic oil heating loop (9) is further arranged on the hydraulic oil tank (1), and a heating oil pump (10), an electromagnetic valve (11) and a safety valve (12) are arranged on the hydraulic oil heating loop (9); the cooling water tank (13) is arranged on one side of the hydraulic oil tank (1), and a cooling water loop (14) is arranged on the cooling water tank (13); the cooling water loop (14) is connected with the hydraulic oil loop (2) through a heat exchanger (8), and a cooling water pump (15), a stop valve (16), an electromagnetic valve (11) and a one-way valve (5) are arranged on the cooling water loop (14).
2. The high-precision control device for the temperature of the hydraulic oil for the hydraulic part test according to claim 1 is characterized in that: the check valve (5) is arranged on the cooling water loop (14) on one side of the heat exchanger (8) in parallel.
3. The high-precision control device for the temperature of the hydraulic oil for the hydraulic part test according to claim 1 is characterized in that: the cooling water loop (14) is provided with two electromagnetic valves (11).
4. The high-precision control device for the temperature of the hydraulic oil for the hydraulic part test according to claim 1 is characterized in that: the heat exchanger (8) is a plate heat exchanger.
5. The high-precision control device for the temperature of the hydraulic oil for the hydraulic part test according to claim 1 is characterized in that: the filter (7) is a tubular oil return filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922467331.7U CN211202451U (en) | 2019-12-31 | 2019-12-31 | High-precision hydraulic oil temperature control device for hydraulic part testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922467331.7U CN211202451U (en) | 2019-12-31 | 2019-12-31 | High-precision hydraulic oil temperature control device for hydraulic part testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211202451U true CN211202451U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922467331.7U Expired - Fee Related CN211202451U (en) | 2019-12-31 | 2019-12-31 | High-precision hydraulic oil temperature control device for hydraulic part testing |
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| Country | Link |
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| CN (1) | CN211202451U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762340A (en) * | 2021-02-09 | 2021-05-07 | 中国电力工程顾问集团中南电力设计院有限公司 | Cooling integrated lubricating oil tank |
-
2019
- 2019-12-31 CN CN201922467331.7U patent/CN211202451U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762340A (en) * | 2021-02-09 | 2021-05-07 | 中国电力工程顾问集团中南电力设计院有限公司 | Cooling integrated lubricating oil tank |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 Termination date: 20211231 |