CN214502815U - Dynamic sealing ring test oil way - Google Patents

Dynamic sealing ring test oil way Download PDF

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Publication number
CN214502815U
CN214502815U CN202023140371.XU CN202023140371U CN214502815U CN 214502815 U CN214502815 U CN 214502815U CN 202023140371 U CN202023140371 U CN 202023140371U CN 214502815 U CN214502815 U CN 214502815U
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China
Prior art keywords
oil
sealing ring
test
circuit
ring test
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Active
Application number
CN202023140371.XU
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Chinese (zh)
Inventor
胡九见
盛瑾睿
蔡子明
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Anqing Dibo Functional Plastics Co ltd
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Anqing Dibo Functional Plastics Co ltd
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Priority to CN202023140371.XU priority Critical patent/CN214502815U/en
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Abstract

The utility model provides a dynamic sealing ring test oil circuit, oil hydraulic pump, fuel feeding return circuit and the oil leak return circuit of being connected including the oil tank, with the oil tank, the fuel feeding return circuit includes oil pressure and flow control valve one, solenoid valve one, oil pressure sensor, oil blanket test mechanism, oil pressure and flow control valve two and return oil cooling device that connect gradually through the pipeline, the oil leak return circuit includes the solenoid valve two that connects gradually through the pipeline. The utility model discloses an experimental oil circuit simulation sealing ring's actual operational environment adjusts the oil temperature, the oil pressure and the rotational speed of supplying with oil blanket test mechanism and survey the sealing ring in the leakage condition under the different work condition, the frictional torque and the unit interval wearing and tearing volume, reach the wearing and tearing back performance, has guaranteed the safety and stability of experiment to form fuel feeding circuit between oil tank and test mechanism, realize the cyclic utilization of experimental oil, effectively reduced the resource cost.

Description

Dynamic sealing ring test oil way
Technical Field
The utility model relates to an inspection technical field of sealing ring, concretely relates to dynamic sealing ring test oil circuit.
Background
The sealing ring is an annular sealing element with a notch, the sealing ring is placed in an annular groove of a gearbox sleeve, the sleeve and the shaft rotate together, the sealing ring is tightly abutted to the inner hole wall of the static element by virtue of elasticity of the sealing ring after the notch is pressed together, the sealing ring can play a role in sealing, and the oil pressure in each cavity is ensured by controlling the oil leakage amount.
Therefore, the sealing ring determines the service performance and the service life of the mechanical seal of the gearbox to a great extent, and needs not to be damaged under working conditions (such as pressure, temperature, sliding speed and the like), the deformation should be as small as possible, and the sealing performance can still be maintained when the working conditions fluctuate. However, in the prior art, a means for effectively detecting the dynamic sealing effect of the sealing ring before assembly is lacked.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can simulate experimental oil circuit of gearbox operating condition in order to survey the performance condition of sealing ring under different work condition.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a dynamic seal ring test oil circuit, includes oil tank, the oil hydraulic pump of being connected with the oil tank, fuel feeding return circuit and oil leak return circuit, the fuel feeding return circuit includes oil pressure and flow control valve one, solenoid valve one, oil pressure sensor, oil blanket test mechanism, oil pressure and flow control valve two and the oil return cooling device that connect gradually through the pipeline, the oil leak return circuit includes the solenoid valve two that connects gradually through the pipeline.
Preferably, one end of the second electromagnetic valve is used for measuring the oil leakage amount in unit time, and the other end of the second electromagnetic valve and the oil tank form a loop.
Further, the oil seal test mechanism comprises a main shaft, a sealing ring test shaft and a cylindrical shell, wherein the sealing ring test shaft is arranged on the main shaft in a sleeved mode, an oil outlet is formed in the top of the shell, an oil inlet and a leakage opening are formed in the middle of the bottom of the shell, and a groove opening used for fixing a sealing ring is formed in the sealing ring test shaft along the outer circumference.
Furthermore, a heating device is further arranged in the oil tank, the adjustable range of the oil temperature is between room temperature and 150 ℃, and the adjustable range of the oil pressure pump is between 0 and 7 MPa.
Preferably, the spindle can rotate around the axial direction under the driving of a motor, and the rotating speed adjusting range is 0-10000 rpm.
According to the above technical scheme, the utility model discloses an experimental oil circuit simulation sealing ring's actual work environment adjusts the oil temperature, the oil pressure and the rotational speed of supplying with oil blanket test mechanism and surveys the wearing and tearing volume of sealing ring in the leakage condition, friction torque and unit interval under the different work condition, and the wearing and tearing back performance, has guaranteed the safety and stability of experiment to form the fuel feeding return circuit between oil tank and test mechanism, realize the cyclic utilization of experimental oil, effectively reduced the resource cost.
Drawings
FIG. 1 is a schematic view of an oil circuit of the present invention;
FIG. 2 is a schematic structural view of the oil seal testing mechanism of the present invention;
FIG. 3 is a schematic view of an oil circuit for simultaneously testing two sealing rings according to the present invention;
in the figure: 1. an oil tank; 2. an oil pressure pump; 31. a first oil pressure and flow regulating valve; 32. a first electromagnetic valve; 33. an oil pressure sensor; 34. an oil seal testing mechanism; 341. a main shaft; 342. a seal ring test shaft; 343. a cylindrical housing; 344. an oil outlet; 345. an oil inlet; 346. a leakage port; 35. a second oil pressure and flow regulating valve; 36. An oil return cooling device; 37. and a second electromagnetic valve.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
The dynamic sealing ring test oil circuit shown in fig. 1 comprises an oil tank 1, an oil hydraulic pump 2 connected with the oil tank, an oil supply loop and an oil leakage loop, wherein the oil supply loop comprises a first oil pressure and flow regulating valve 31, a first electromagnetic valve 32, an oil pressure sensor 33, an oil seal test mechanism 34, a second oil pressure and flow regulating valve 35 and an oil return cooling device 36 which are sequentially connected through pipelines, and the oil leakage loop comprises a second electromagnetic valve 37 which is sequentially connected through pipelines; specifically, one end of the second electromagnetic valve is used for measuring the oil leakage amount in unit time, the other end of the second electromagnetic valve and the oil tank form a loop, the actual working environment of the sealing ring is simulated through the test oil path, the oil temperature, the oil pressure and the rotating speed of the oil seal test mechanism are adjusted to measure the leakage condition, the friction torque, the abrasion amount in unit time and the abrasion performance of the sealing ring under different working conditions, the safety and the stability of the experiment are guaranteed, an oil supply loop is formed between the oil tank and the test mechanism, the cyclic utilization of the oil for the test is realized, and the resource cost is effectively reduced.
As shown in fig. 2, the oil seal testing mechanism according to the preferred embodiment includes a main shaft 341, a sealing ring testing shaft 342 sleeved on the main shaft, and a cylindrical housing 343, wherein an oil outlet 344 is formed at the top of the housing, an oil inlet 345 and a leakage 346 are formed in the middle of the bottom of the housing, and a groove for fixing a sealing ring is formed along the outer circumference of the sealing ring testing shaft. In specific use, the main shaft is in transmission connection with the motor through the crawler belt and can rotate around the axial direction under the driving of the motor, the working state of the sealing ring in the gearbox is simulated, and the adjustable range of the rotating speed is 0-10000 rpm; the main shaft is also provided with a torque measuring instrument and a coupling used for keeping the main shaft stable.
The oil tank 1 of the preferred embodiment is also provided with a heating device, the adjustable range of the oil temperature is between room temperature and 150 ℃, and the adjustable range of the oil pressure pump 2 is between 0 and 7 MPa.
In specific use, testing machine through the operational environment who simulates the gearbox, can accomplish the survey experiment once:
the sealing test is carried out, and the sealing performance of the sealing ring is calculated by measuring the oil leakage amount in unit time under different working conditions;
a rotating friction test, which is to measure the friction torque in unit time under different working conditions;
the durability test was conducted by performing a durable operation for a certain period of time, and the wear amount and the performance after wear of the seal ring were measured.
In order to improve the test efficiency, performance parameters of a plurality of sealing rings can be measured and tested at the same time, as shown in fig. 3, in this embodiment, two sealing rings are measured and tested at the same time, and each sealing ring is controlled and operated by an independent oil supply loop and an independent oil leakage loop, so that the stability of the test is ensured.
The above-mentioned embodiments are only to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (5)

1. The utility model provides a dynamic seal ring test oil circuit, its characterized in that, includes oil tank (1), oil hydraulic pump (2) be connected with the oil tank, fuel feeding return circuit and oil leak return circuit, the fuel feeding return circuit includes oil pressure and flow control valve (31), solenoid valve (32), oil pressure sensor (33), oil blanket test mechanism (34), oil pressure and two (35) of flow control valve and oil return cooling device (36) that connect gradually through the pipeline, the oil leak return circuit includes two (37) of solenoid valve that connect gradually through the pipeline.
2. The dynamic sealing ring test oil way as claimed in claim 1, wherein one end of the second electromagnetic valve (37) is used for measuring the oil leakage amount in unit time, and the other end of the second electromagnetic valve forms a loop with the oil tank.
3. The dynamic seal ring test oil way according to claim 1, wherein the oil seal test mechanism comprises a main shaft (341), a seal ring test shaft (342) sleeved on the main shaft, and a cylindrical housing (343), an oil outlet (344) is formed in the top of the housing, an oil inlet (345) and a leakage opening (346) are formed in the middle of the bottom of the housing, and a groove for fixing the seal ring is formed in the outer circumference of the seal ring test shaft.
4. The dynamic sealing ring test oil way is characterized in that a heating device is further arranged in the oil tank (1), the oil temperature can be adjusted within the range of room temperature to 150 ℃, and the oil pressure of the oil hydraulic pump (2) can be adjusted within the range of 0 MPa to 7 MPa.
5. The dynamic sealing ring test oil circuit as claimed in claim 3, wherein the main shaft (341) can rotate around the axial direction under the driving of a motor, and the rotation speed adjusting range is 0-10000 rpm.
CN202023140371.XU 2020-12-22 2020-12-22 Dynamic sealing ring test oil way Active CN214502815U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023140371.XU CN214502815U (en) 2020-12-22 2020-12-22 Dynamic sealing ring test oil way

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023140371.XU CN214502815U (en) 2020-12-22 2020-12-22 Dynamic sealing ring test oil way

Publications (1)

Publication Number Publication Date
CN214502815U true CN214502815U (en) 2021-10-26

Family

ID=78210066

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023140371.XU Active CN214502815U (en) 2020-12-22 2020-12-22 Dynamic sealing ring test oil way

Country Status (1)

Country Link
CN (1) CN214502815U (en)

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