CN208751857U - A kind of Glais ring fatigue property test device - Google Patents
A kind of Glais ring fatigue property test device Download PDFInfo
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- CN208751857U CN208751857U CN201821326872.7U CN201821326872U CN208751857U CN 208751857 U CN208751857 U CN 208751857U CN 201821326872 U CN201821326872 U CN 201821326872U CN 208751857 U CN208751857 U CN 208751857U
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- mandrel
- glais ring
- shell
- test device
- property test
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Abstract
The utility model proposes a kind of Glais ring fatigue property test devices, comprising: seal case is fixed with bracket in the seal case；The mandrel of installation on the bracket, the mandrel middle part are equipped with the cylindrical portion projected radially outward；Circle shell outside the cylindrical portion is set, and the Shell structure is at can be along the mandrel axially reciprocating；For measuring the Hall sensor of the mandrel revolving speed, torque sensor, for controlling the control system of the performance testing device operation；Wherein, it is equipped with the first seal groove on the mandrel, it is equipped with the second seal groove on the housing, the mandrel rotation and the shell is controlled by control system to move reciprocatingly along the mandrel, the axis Glais ring to be measured or the working condition to gaging hole Glais ring are simulated, to test the performance of the axis Glais ring to be measured or the hole Glais ring.
Description
Technical field
The utility model relates to petroleum industry machinery technical fields, and in particular, to a kind of Glais ring fatigue property test
Device.
Background technique
Glais ring is made as a kind of sealing element of a rubber o-ring polytetrafluoroethylene (PTFE) circle.Glais ring can be divided into hole
With Glais ring and axis Glais ring, higher initial contact stress is generated to sealing surfaces according to the deformation of itself, is prevented without pressure
The leakage of power liquid.When hydraulic cylinder works, pressure fluid is squeezed rectangular to the maximum extent by the flexible deformation beginning of O-ring seals
Sealing ring is allowed to be close to sealing surfaces and generate the supplementary contact stress that the higher pressure with pressure fluid increases and increases,
And the leakage of pressure fluid is cooperatively prevented with initial contact stress.Glais ring have good airproof performance, wearability is good, uses the longevity
Order the advantages that long.
In the machine tool used under oil well, it is often used Glais ring and is sealed.Due to making for Petroleum Down-hole Tool
With environment, it is desirable that Glais ring is able to satisfy seal request under certain temperature, pressure.It is some that Glais ring is needed to be sealed
Often there is multi-motion forms for part in downhole tool, such as linear reciprocating motion, rotary motion.In addition to Glais ring
Service life there are certain requirements, and the service life of Glais ring can't be the weak spot of tool and influence the use of downhole tool.
However, in the prior art there are no can to Glais ring carry out high temperature and high pressure environment under, for a long time, automatic reciprocating straight line
The Glais ring fatigue property test device that movement, rotary motion or linear reciprocating motion, rotary motion are superimposed.
Utility model content
For at least some technical problems as described above, the utility model is directed to a kind of Glais ring fatigue behaviour survey
Trial assembly is set, which can simulate the forms of motion at Glais ring actual working environment (such as temperature, pressure), and remember
The data such as revolving speed, torque, pressure, temperature are recorded, to carry out the experiments of sealing performance of Glais ring.The performance testing device can be
Long-time, automatic reciprocating linear motion, rotary motion or linear reciprocating motion, rotation are carried out to Glais ring under high temperature and high pressure environment
Transhipment fold is subject to carry out experiment on fatigue properties to Glais ring.Meanwhile the performance testing device is equipped with protection control strategy, energy
It enough effectively prevent that accident occurs during test.
For this purpose, the utility model proposes a kind of Glais ring fatigue property test devices, comprising: seal case, described
Bracket is fixed in seal case；The mandrel of installation on the bracket, the mandrel middle part are equipped with the circle projected radially outward
Columnar part；The cylindrical housing of the outside of the cylindrical portion of the mandrel is set, between the shell and the mandrel
Sealing is formed, and the Shell structure is at can be along the mandrel axially reciprocating；Be mounted on described mandrel one end for surveying
The Hall sensor of the mandrel revolving speed is measured, and is connected to the torque sensor of the mandrel other end, the torque sensing
Device is connected with motor；For controlling the control system of the performance testing device operation；Wherein, it is set in the outer surface of the mandrel
Have for installing the first seal groove to gaging hole Glais ring, is equipped in the inner surface of the shell for installing axis lattice to be measured
The second seal groove of Lai Quan, the control system are constructed to be permeable to control the rotation of the mandrel and the shell along the mandrel
Reciprocating motion, to simulate the axis Glais ring to be measured or to the working condition of gaging hole Glais ring, thus test it is described to
Survey the fatigue behaviour of axis Glais ring or the hole Glais ring.
In a preferred embodiment, one end of the shell is connected with end cap, the end cap and the mandrel it
Between be equipped with the first sealing mechanism, between the end cap and the shell be equipped with the second sealing mechanism.
In a preferred embodiment, original state is formed between the shell and the cylindrical portion of the mandrel
Cricoid first sealing space and the second sealing space are filled with liquid in first sealing space and the second sealing space
Pressure oil.
In a preferred embodiment, first sealing space and the second sealing are corresponded respectively in the shell
The region in space is equipped with oilhole, and the oilhole is connected with oil circuit.
In a preferred embodiment, hydraulic pump and solenoid directional control valve, and the hydraulic pump are connected in the oil circuit
It is connect with the solenoid directional control valve with the control system, for changing institute in first sealing space and the second sealing space
The volume of hydraulic oil is stated so that the shell moves reciprocatingly along the mandrel.
In a preferred embodiment, which is characterized in that pressure sensor is additionally provided in the oil circuit, the pressure passes
Sensor is connected with the control system.
In a preferred embodiment, performance testing device, which is characterized in that be equipped with observation in one end of the shell
Hole, it is described to gaging hole Glais ring or the sealing effect of axis Glais ring to be measured for observing.
In a preferred embodiment, the plug for blocking peep hole is equipped in the peep hole.
In a preferred embodiment, the cage connection has displacement sensor, and institute's displacement sensors pass through signal
Line is connected with the control system.
In a preferred embodiment, heating mechanism and temperature sensor are additionally provided in the seal case.
Detailed description of the invention
The utility model is illustrated below with reference to accompanying drawings.
Fig. 1 shows the structure of Glais ring fatigue property test device according to the present utility model.
Fig. 2 shows the structure of mandrel and shell shown in Fig. 1.
Fig. 3 and 4 shows the structure under two limiting conditions of Glais ring fatigue property test device shown in Fig. 1.
In this application, all attached drawings are schematical attached drawing, are merely to illustrate the principles of the present invention, and not
It is drawn to scale.
Specific embodiment
The utility model is introduced below by attached drawing.
Fig. 1 shows the structure of Glais ring fatigue property test device 100 according to the present utility model.As shown in Figure 1, lattice
Lay circle fatigue property test device 100 includes seal case 110.Seal case 110 can effectively be kept the temperature, and guarantee Glais ring performance
The environment of test, to improve the accuracy of performance test.
It should be noted that Directional terms used in the utility model or determiner "upper", "lower", "left", "right"
Deng being for the attached drawing 1 of institute's reference.They are not used to limit the absolute position of involved components, but can root
Change according to concrete condition.
According to the utility model, it is fixed with bracket 10 in the bottom of seal case 110, is equipped with mounting hole over the mount 10.
As shown in Figure 1, being equipped with mandrel 20 over the mount 10.The both ends of mandrel 20 are installed by mounting hole over the mount 10 by bearing
In, bearing can effectively reduce the friction between mandrel 20 and the mounting hole of bracket 10.
In the present embodiment, mandrel 20 is configured to multi-diameter shaft.As shown in Figure 1, being equipped with radially outward at the middle part of mandrel 20
The cylindrical portion 21 of protrusion.Hall sensor 140, Hall sensor 140 are equipped in one end (left end in Fig. 1) of mandrel 20
Revolving speed for air plug gauge 20.Torque sensor 90 is equipped in the other end (right end in Fig. 1) of mandrel 20.Implement at one
In example, torque sensor 90 is connected by key mode and connect with mandrel 20.Torque sensor 90 is also connected with motor 160.Performance
Test device 100 further includes control system 200.Motor 160 is connect with control system 200, is controlled by control system 200
Adjust the revolving speed of motor 160.Meanwhile torque sensor 90 is connect by signal wire with control system 200, to pass through signal wire
The signal of torque sensor 90 is passed into control system 200 and carries out Data Analysis Services.
According to the utility model, shell 70 is installed in the outside of the cylindrical portion 21 of mandrel 20, shell 70 is configured to
It is cylinder-shaped.One end (right end in Fig. 1) of shell 70 is equipped with bottom plate, and bottom plate center is equipped with circular mounting hole, is used for shell 70
It is installed on mandrel 20.The other end (left end in Fig. 1) of shell 70 is set as being open, and the end is equipped with end cap 40.At one
In embodiment, formed a fixed connection between end cap 40 and shell 70 by screw thread.End cap 40 is contacted with mandrel 20 in installation
Surface is equipped with the first groove, the first sealing mechanism 30 is equipped in the first groove, so that end cap 40 and mandrel be effectively ensured
Sealing between 20.It is equipped with the second groove in the outer surface for contacting installation with shell 70 of end cap 40, is installed in the second groove
There is the second sealing mechanism 50, so that effective sealing between end cap 40 and shell 70 be effectively ensured.Meanwhile in the installation of bottom plate
The inner surface in hole is equipped with sealed groove, the first sealing mechanism 30 is equipped in sealed groove, to ensure that 70 right end of shell
With the sealing between mandrel 20.
Fig. 2 shows the structure of mandrel 20 Yu shell 70.As shown in Fig. 2, being equipped with the first sealing in the outer surface of mandrel 20
Slot, the first seal groove are equipped with the second seal groove in the inner surface of shell 70 for installing to gaging hole Glais ring 80, and second is close
Sealing groove is for installing axis Glais ring 60 to be measured.When practical application, passage capacity test device 100 tests axis Glais ring to be measured
60 or to the gaging hole performance of Glais ring 80.In addition, a peep hole 71 is additionally provided on the bottom plate of shell 70, the peep hole 71
It is arranged on bottom plate close to 70 side-walls of shell, for observing axis Glais ring 60 to be measured or to the sealing of gaging hole Glais ring 80
Effect.
According to the utility model, shell 70 can be along the axially reciprocating of mandrel 20.Under original state, on mandrel 20
Cylindrical portion 21 is in the middle part of shell 70, to form ring-type between shell 70 and the cylindrical portion 21 of mandrel 20
The first sealing space 31 and the second sealing space 32.Filled with hydraulic in the first sealing space 31 and the second sealing space 32
Oil.When original state, oil is respectively equipped in the region for corresponding to the first sealing space 31 and the second sealing space 32 of shell 70
Hole, oilhole are connected with oil circuit.It is connected with hydraulic pump 201 and solenoid directional control valve 202 in oil circuit, is changed by hydraulic pump 201 and electromagnetism
The volume change that hydraulic oil in the first sealing space 31 and the second sealing space 32 can be changed to valve 202, to realize shell
70 along mandrel 20 axially reciprocating.Rotated and shell 70 moves reciprocatingly along mandrel 20 by mandrel 20 as a result, simulation to
Axis Glais ring 60 or the working condition to gaging hole Glais ring 80 are surveyed, to test axis to be measured Glais ring 60 or to gaging hole lattice
The performance of Lay circle 80.
In the present embodiment, pressure sensor 203 is additionally provided in oil circuit.When practical application, the first sealing space 31 and
There is hydraulic oil in two sealing spaces 32.Control system 200 controls the hydraulic pump in oil circuit and extracts hydraulic oil out, and controls electromagnetic switch
Valve actuation 202 is made to realize that fluid path commutates, to change the volume of hydraulic oil in the first sealing space 31 and the second sealing space 32
Variation, to realize shell 70 along the axially reciprocating of mandrel 20.And pressure sensor 203 measures fluid path pressure, and by pressure
Value is transmitted to control system 200.As shown in Figures 3 and 4, it is shown that the shell 70 of Glais ring fatigue property test device 100 moves to
The state of two limit.
In addition, being also equipped with heating mechanism 120 and temperature sensor 130 in seal case 110.Heating mechanism 120 is used
It is heated in the environment in seal case 110, temperature sensor 130 is used to measure the temperature in seal case 110.Heating
Mechanism 120 and temperature sensor 130 are connected by signal wire with control system 200, and control system 200 passes through signal line traffic control
Heating mechanism 120.The temperature value measured in seal case 110 is transmitted to control system by signal wire by temperature sensor 130
200。
Glais ring fatigue property test device 100 according to the present utility model can simulate Glais ring actual working environment
Forms of motion at (such as temperature, pressure), and the parameters such as revolving speed, torque, pressure, temperature are recorded by corresponding sensor, from
And carry out the experiments of sealing performance of Glais ring.The Glais ring fatigue property test device 100 can be right under high temperature and high pressure environment
Glais ring carries out long-time, automatic reciprocating linear motion, rotary motion or linear reciprocating motion, rotary motion superposition with plaid matching
Lai Quan carries out experiment on fatigue properties.Meanwhile the performance testing device is equipped with protection control strategy, it can by control system 200
The operation of accurate Control experiment process and Glais ring fatigue property test device 100 can effectively prevent sending out during test
Outside business.
The course of work of brief description Glais ring fatigue property test device 100 according to the present utility model.Firstly, according to
The needs of actual condition and test, in control system 200 revolving speed of pre-set motor 160, hydraulic pump 201 power,
Working method and operating temperature of solenoid directional control valve 202 etc..Later, according to setting means, liquid is controlled by control system 200
Road switching, moves back and forth end cap 40 and shell 70 along mandrel 20.Later.Mandrel 20 is controlled by motor 160 to make rotating motion,
To simulate axis Glais ring 60 to be measured and the working condition to gaging hole Glais ring 80.Later, by heating mechanism 120 to close
Joint sealing body 110 carries out heat temperature raising.Meanwhile required physical quantity can be measured by each sensor, for example, the revolving speed of mandrel 20
With the displacement of the temperature in torque, seal box 110, the pressure in oil circuit and shell 70.As a result, to axis Glais ring to be measured
It 60 or is tested to gaging hole with the performance of Glais ring 80.According to the utility model, when test reaches design time, peace of dismantling
Then plug 72 in peep hole 71, the hydraulic oil being vented in the second sealing space 32 correspond to first from shell 70
The oilhole of sealing space 31 suppresses (pressure value can be set, the dwell time can set), and end cap 40, shell 70 are moved at this time
The left end of mandrel 20.If axis to be measured Glais ring 60 is all damaged to gaging hole with Glais ring 80, hydraulic oil can be from shell
It is flowed out in 70 peep hole 71 corresponding to the second sealing space 32.If flowed out without liquid, it is to be measured to remove one of them
Glais ring is suppressed again, if flowed out without liquid, illustrates that the Glais ring to be measured that do not remove is intact, that has torn open is undetermined.If
Have liquid outflow, then illustrate the Glais ring to be measured removed be it is intact, this Glais ring that do not tear open be damage.In next step will
It does not tear Glais ring to be measured open to remove, that has removed reinstalls, and suppresses again, if there is liquid flows out, then illustrates that the Glais ring damages
It is bad, it is intact if no liquid flows out.
In order to protect Glais ring fatigue property test device 100, it is avoided to be damaged when in use tired to extend the Glais ring
The service life of labor performance testing device 100.The Glais ring fatigue property test device 100 is equipped with effective control strategy, when
After displacement sensor 150 detects end cap 40 and shell 70 in place, signal can be transmitted to control system 200, control system rapidly
The commutation of 200 solenoid valves is controlled, the volume of the first sealing space and the hydraulic oil in the second sealing space is accurately controlled, to avoid
Shell 70 or end cap 40 and mandrel 20 bump against.
Can be carried out under high temperature and high pressure environment using Glais ring fatigue property test device 100 according to the present utility model,
For a long time, the Glais ring fatigue behaviour that automatic reciprocating linear motion, rotary motion or linear reciprocating motion, rotary motion are superimposed
Test.And the performance testing device passes through equipped with protection control strategy, it being capable of accurate Control experiment process by control system 200
And the operation of Glais ring fatigue property test device 100, so as to effectively prevent that accident occurs during test.
Finally it should be noted that the foregoing is merely the preferred embodiments of the utility model, do not constitute to this
Any restrictions of utility model.Although the utility model is described in detail referring to foregoing embodiments, for
For those skilled in the art, it can still modify to technical solution documented by previous embodiment, or to wherein
Some technical characteristics are equivalently replaced.Within the spirit and principle of the utility model, it is made it is any modification, equally replace
It changes, improve, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of Glais ring fatigue property test device (100), comprising:
Seal case (110) is fixed with bracket (10) in the seal case；
The mandrel (20) of installation on the bracket, the mandrel middle part are equipped with the cylindrical portion (21) projected radially outward；
The cylindrical housing (70) of the outside of the cylindrical portion is set, is formed between the shell and the mandrel close
Envelope, and the Shell structure is at can be along the mandrel axially reciprocating；
Be mounted on described mandrel one end is used to measure the Hall sensor (140) of the mandrel revolving speed, and is connected to described
The torque sensor (90) of the mandrel other end, the torque sensor are connected with motor (160)；
For controlling the control system (200) of the performance testing device operation；
Wherein, it is equipped in the outer surface of the mandrel for installing the first seal groove to gaging hole with Glais ring (80), described
The inner surface of shell is equipped with the second seal groove for installing axis Glais ring (60) to be measured,
The control system is constructed to be permeable to control the rotation of the mandrel and the shell along the reciprocating motion of the mandrel, with
Simulate the axis Glais ring to be measured or the working condition to gaging hole Glais ring, thus test the axis Glais ring to be measured or
Fatigue behaviour to gaging hole Glais ring.
2. Glais ring fatigue property test device according to claim 1, which is characterized in that one end of the shell connects
There are end cap (40), the first sealing mechanism (30) is equipped between the end cap and the mandrel, in the end cap and the shell
Between be equipped with the second sealing mechanism (50).
3. performance testing device according to claim 2, which is characterized in that in the cylindrical body of the shell and the mandrel
Cricoid first sealing space (31) and the second sealing space (32) are formd between part, in first sealing space and
Hydraulic oil is filled in two sealing spaces.
4. Glais ring fatigue property test device according to claim 3, which is characterized in that in the right respectively of the shell
The region of first sealing space and the second sealing space described in Ying Yu is equipped with oilhole, and the oilhole is connected with oil circuit.
5. Glais ring fatigue property test device according to claim 4, which is characterized in that be connected with liquid in the oil circuit
Press pump (201) and solenoid directional control valve (202), and the hydraulic pump and the solenoid directional control valve are connect with the control system, are used
In the volume for changing hydraulic oil described in first sealing space and the second sealing space so that the shell is along the mandrel
It moves reciprocatingly.
6. Glais ring fatigue property test device according to claim 4 or 5, which is characterized in that also set in the oil circuit
There are pressure sensor (203), the pressure sensor is connected with the control system.
7. Glais ring fatigue property test device according to claim 1, which is characterized in that set in one end of the shell
There are peep hole (71), it is described to gaging hole Glais ring or the sealing effect of axis Glais ring to be measured for observing.
8. Glais ring fatigue property test device according to claim 7, which is characterized in that be equipped in the peep hole
For blocking the plug (72) of peep hole.
9. Glais ring fatigue property test device according to claim 8, which is characterized in that the cage connection has displacement
Sensor (150), institute's displacement sensors are connected by signal wire with the control system.
10. Glais ring fatigue property test device according to claim 1, which is characterized in that in the seal case
It is additionally provided with heating mechanism (120) and temperature sensor (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821326872.7U CN208751857U (en) | 2018-08-16 | 2018-08-16 | A kind of Glais ring fatigue property test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821326872.7U CN208751857U (en) | 2018-08-16 | 2018-08-16 | A kind of Glais ring fatigue property test device |
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| Publication Number | Publication Date |
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| CN208751857U true CN208751857U (en) | 2019-04-16 |
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ID=66080583
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821326872.7U Active CN208751857U (en) | 2018-08-16 | 2018-08-16 | A kind of Glais ring fatigue property test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484014A (en) * | 2021-06-25 | 2021-10-08 | 成都飞机工业（集团）有限责任公司 | Examination test system for dynamic sealing performance of sealing ring |
| CN114252257A (en) * | 2021-12-13 | 2022-03-29 | 安庆帝伯功能塑料有限公司 | Dynamic sealing ring testing machine |
-
2018
- 2018-08-16 CN CN201821326872.7U patent/CN208751857U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484014A (en) * | 2021-06-25 | 2021-10-08 | 成都飞机工业（集团）有限责任公司 | Examination test system for dynamic sealing performance of sealing ring |
| CN113484014B (en) * | 2021-06-25 | 2022-05-10 | 成都飞机工业（集团）有限责任公司 | Examination test system for dynamic sealing performance of sealing ring |
| CN114252257A (en) * | 2021-12-13 | 2022-03-29 | 安庆帝伯功能塑料有限公司 | Dynamic sealing ring testing machine |
| CN114252257B (en) * | 2021-12-13 | 2023-11-03 | 安庆帝伯功能塑料有限公司 | Dynamic sealing ring testing machine |
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