CN208953207U - The experimental rig of sealing performance is driven for testing shield owner - Google Patents
The experimental rig of sealing performance is driven for testing shield owner Download PDFInfo
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- CN208953207U CN208953207U CN201822010698.1U CN201822010698U CN208953207U CN 208953207 U CN208953207 U CN 208953207U CN 201822010698 U CN201822010698 U CN 201822010698U CN 208953207 U CN208953207 U CN 208953207U
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- outer ring
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- inner ring
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Abstract
The utility model discloses a kind of experimental rigs that sealing performance is driven for testing shield owner, including fixed outer ring, rotation inner ring, revolving support and driving device, revolving support is fixed in one end of fixed outer ring, rotation inner ring is placed in fixed outer ring, and the inner end for rotating inner ring is fixedly connected with the temperature of inner ring during rotation of revolving support；Fixed outer ring includes the fixation outer ring leading portion being detachably connected and fixed outer ring back segment, rotates the front side cavity and rear side cavity being respectively formed between the outer wall of inner ring and fixed outer ring leading portion and the inner wall of fixed outer ring back segment for the first and second main driving seal assembly to be measured to be arranged.The utility model injects the medium with pressure by the inlet of medium injection ring, the pressure-resistant performance of static state of main driving sealing system can be tested, the frictional heating amount of main driving sealing system in the case of different rotating speeds can be tested again, and the dynamic pressure resistance performance that main driving seals at various pressures, have many advantages, such as it is simple for structure, it is convenient test, comprehensive.
Description
Technical field
The utility model relates to shield owners to drive sealing performance detection technique field, particularly relate to one kind and be used for
Test the experimental rig that shield owner drives sealing performance.
Background technique
Currently, domestic more and more using the Tunnel Project of shield machine construction, the operating condition encountered is varied, actually makes
Also occasionally there is generation with the case where in the process, main driving seal failure causes project to lose, causes damages to engineering project, especially exist
High hydraulic pressure, long distance construction engineering in problem than more prominent.Once seal failure situation occurs, because of shield machine structure size etc.
Problem, more change owner driving sealing is extremely difficult in hole, or even can not be achieved, can only excavating shaft again after strengthening stratum, allow
Shield machine main body is exposed in vertical shaft, then the replacement being sealed, shadow not only at high cost but also to the duration are dismantled to shield machine
Sound is very serious, and construction risk is also larger.
Known shield owner is several under driving the form of seal failure to common are: sealing abrasion itself and sealing
Contact surface abrasion, temperature height causes sealing to melt, underground water is containing corrosivity etc..Therefore, for high hydraulic pressure, long distance construction
Project, selecting outstanding shield owner to drive sealing system, it is very important.
Summary of the invention
For common main driving seal failure form, the utility model provides a kind of for testing shield owner driving
The experimental rig of sealing performance can simulate different operating conditions, test the structure, material, performance of sealing system, so as to needle
Suitable sealing system is selected to different operating conditions.
The utility model is to solve technical solution used by its technical problem: one kind is for testing shield owner drive
The experimental rig of dynamic sealing performance, including fixed outer ring, rotation inner ring, revolving support and driving device, the revolving support have
Fixed outer ring and the temperature of inner ring during rotation being placed in the fixation outer ring, the fixed outer ring is fixed in the fixation outer ring of the revolving support
In one end, the rotation inner ring is placed in the fixed outer ring, in the rotation of the inner end of the rotation inner ring and the revolving support
Circle is fixedly connected, and the driving device is placed in outside one end of the fixed outer ring and is driven with the temperature of inner ring during rotation of the revolving support
Connection, the driving device can drive the rotation inner ring in the fixed outer ring by the temperature of inner ring during rotation of the revolving support
Interior rotation；The fixed outer ring includes the fixation outer ring leading portion being detachably connected and fixes outer ring back segment, the rotation inner ring
The front side cavity for the first main driving seal assembly to be measured to be arranged is formed between outer wall and the inner wall of the fixed outer ring leading portion,
It is formed between the outer wall and the fixed outer ring back segment of the rotation inner ring for the second main driving seal assembly to be measured to be arranged
Rear side cavity；Several radial lubricating oil injection holes are offered respectively on the fixed outer ring leading portion and fixed outer ring back segment to be connected to
To the front side cavity and rear side cavity, it is respectively equipped with sensor mounting hole on the rotation inner ring and fixed outer ring leading portion, it should
Temperature sensor for detecting sealing contact surface temperature change is installed in sensor mounting hole；The fixed outer ring leading portion and
Medium injection ring is equipped between fixed outer ring back segment, which is equipped with several radial medium injection holes；It is described solid
Determine the outer ring end cap for being fixed with annular on the outer end face of outer ring leading portion, has between the outer ring end cap and the rotation inner ring narrow
Seam, the slit form the first outlet of front side cavity；The fixed outer ring back segment is equipped with several radial apertures, forms rear side
The second outlet of cavity.
The driving device is drive motor, the output shaft of the drive motor as a further improvement of the utility model,
End is equipped with driving gear, and the temperature of inner ring during rotation of the revolving support is equipped with internal tooth, the driving gear of the drive motor with should
The interior tooth engagement of temperature of inner ring during rotation connects.
The temperature sensor fixing hole is set to the fixed outer ring and rotation as a further improvement of the utility model,
On the rubbing surface of inner ring and the first main driving seal assembly to be measured and the second main driving seal assembly to be measured.
Described first main driving seal assembly to be detected and the second master to be detected as a further improvement of the utility model,
Seal assembly is driven to install by stress surface is opposite.
The rotation inner ring passes through inner ring connecting plate and the revolving support as a further improvement of the utility model,
Temperature of inner ring during rotation is fixedly connected.
The beneficial effects of the utility model are: the utility model injects Jie with pressure by the inlet of medium injection ring
Matter can test the pressure-resistant performance of static state of main driving sealing system, and can be by the revolving speed of adjusting drive motor, and test is different to be turned
The frictional heating amount of main driving sealing system in fast situation, and the dynamic resistance to pressure of main driving sealing at various pressures
Energy.In addition, can check the abrasion condition of itself and sealing contact surface of main driving sealing by rotating for a long time, determine master
The endurance quality of sealing system is driven, and by injecting different media, sealing system can be tested in the shadow of different medium
Properties under ringing, have many advantages, such as it is simple for structure, it is convenient test, comprehensive.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model partial structural diagram.
In conjunction with attached drawing, make the following instructions:
1 --- fixed outer ring；2 --- revolving support；
3 --- driving device；4 --- fixed outer ring leading portion；
5 --- fixed outer ring back segment；6 --- rotation inner ring；
7 --- front side cavity；8 --- rear side cavity；
9 --- lubricating oil injection hole；10 --- sensor mounting hole；
11 --- temperature sensor 12 --- medium injection rings；
13 --- medium injection hole；14 --- outer ring end cap；
15 --- first outlet；16 --- second outlet；
17 --- inner ring connecting plate；
101 --- the first main driving seal assembly to be measured；
102 --- the second main driving seal assembly to be measured.
Specific embodiment
Below in conjunction with attached drawing, elaborate to a preferred embodiment of the utility model.But the guarantor of the utility model
Shield range is not limited to following embodiments, i.e., in every case with simple made by present utility model application the scope of the patents and description
Equivalent changes and modifications all still belong within the utility model patent covering scope.
It refering to fig. 1-2, is a kind of test dress that sealing performance is driven for testing shield owner described in the utility model
It sets, including fixed outer ring 1, rotation inner ring 6, revolving support 2 and driving device 3, which has fixed outer ring and be placed in
Temperature of inner ring during rotation in the fixation outer ring, the fixation outer ring of the revolving support are fixed in one end of the fixed outer ring, the rotation
Turn inner ring to be placed in the fixed outer ring, the inner end of the rotation inner ring is fixedly connected with the temperature of inner ring during rotation of the revolving support, institute
It states driving device to be placed in outside one end of the fixed outer ring and be sequentially connected with the temperature of inner ring during rotation of the revolving support, the driving
Device can drive the rotation inner ring to rotate in the fixed outer ring by the temperature of inner ring during rotation of the revolving support.
The fixed outer ring includes the fixation outer ring leading portion 4 being detachably connected and fixed outer ring back segment 5, the rotation inner ring
Outer wall and the fixed outer ring leading portion inner wall between formed for be arranged first it is to be measured it is main drive seal assembly 101 front side
Cavity 7 is formed between the outer wall and the fixed outer ring back segment of the rotation inner ring for the second main driving sealing to be measured to be arranged
The rear side cavity 8 of component 102.
Several radial lubricating oil injection holes 9 are offered respectively on the fixed outer ring leading portion and fixed outer ring back segment to be connected to
To the front side cavity and rear side cavity, it is respectively equipped with sensor mounting hole 10 on the rotation inner ring and fixed outer ring leading portion,
Temperature sensor 11 for detecting sealing contact surface temperature change is installed in the sensor mounting hole.
It is equipped with medium injection ring 12 between the fixed outer ring leading portion and fixed outer ring back segment, which is equipped with
Several radial medium injection holes 13.
The outer ring end cap 14 of annular, the outer ring end cap and the rotation are fixed on the outer end face of the fixed outer ring leading portion
There is slit, which forms the first outlet 15 of front side cavity between inner ring；If the fixed outer ring back segment is equipped with trunk diameter
To aperture, formed rear side cavity second outlet 16.
Wherein, the driving device is drive motor, and the output shaft end of the drive motor is equipped with driving gear, described time
The temperature of inner ring during rotation for turning support is equipped with internal tooth, and the driving gear of the drive motor is connect with the interior tooth engagement of the temperature of inner ring during rotation.
Wherein, temperature sensor fixing hole is set to the fixed outer ring and rotation inner ring and the first main driving sealing group to be measured
On the rubbing surface of part and the second main driving seal assembly to be measured.
Wherein, the described first main driving seal assembly to be detected and the second main driving seal assembly to be detected press stress surface phase
To installation.
Wherein, the rotation inner ring is fixedly connected by inner ring connecting plate 17 with the temperature of inner ring during rotation of the revolving support.
A kind of shield owner drives the test method of sealing performance, is tested using above-mentioned experimental rig, including with
Lower step:
Step 1, the first main driving seal assembly to be detected and are installed respectively in the front side cavity and rear side cavity
Two main driving seal assemblies to be detected, and the installation temperature respectively in the rotation inner ring and the sensor mounting hole of fixed outer ring
Sensor is spent, installation second is to be detected in the first main driving seal assembly and rear side cavity to be measured of installation in the front side cavity
Detection cavity is collectively formed after main driving seal assembly；
Step 2, from lubricating oil injection hole to the described first main driving seal assembly to be detected and the second main driving to be detected
Lubricating oil needed for seal assembly injection；
Step 3, the medium with pressure is filled into the detection cavity from the medium injection hole on medium injection ring；
Step 4, be arranged and record the different revolving speed of drive motor with change rotation inner ring revolving speed, observation first outlet and
Second outlet, judges whether the first main driving seal assembly to be detected and the second main driving seal assembly to be detected leak, simultaneously
Record the temperature value of temperature sensor measurement.
Wherein, in the step 3, change the pressure medium of the medium and injection that inject in medium injection hole, then weigh
The multiple step 4, can detecte the first main driving seal assembly to be detected and the second main driving seal assembly to be detected in difference
In the case where medium, different rotating speeds and different pressures, whether the amount of heat and sealing system generated with contact surface friction is let out
Leakage.
The medium injected can be the mixture of oil-containing, salt, corrosive substance and mud in water or water etc..
In the step 4, drive motor can be set and do not rotate, can detecte the first main driving seal assembly to be detected or
The sealing pressure resistance performance of second main driving seal assembly to be detected under static state；Or setting drive motor rotates, detection the
The sealing pressure resistance performance of one main driving seal assembly to be detected or the second main driving seal assembly to be detected under rotation status.
The experimental rig and test method can also test after sealing system works long hours in varied situations to sealing
The abrasion condition of contactor, can also be according to the adjusting in the sealing system of different structure form progress size, structure, for each
The test of kind sealing system.
Operating condition when specific test is as follows: ground water pressure x Mpa, equipment revolving speed y rpm/min, it is contemplated that total run time z
Hour, sealing material allows q DEG C of maximum operating temperature.In test process, according to the design requirement of sealing system, pass through lubricating oil
Injection hole 9 injects lubricating grease, so that the operating pressure of sealing system is reached x Mpa, and seal by temperature sensor METHOD FOR CONTINUOUS DETERMINATION
The temperature change of contact surface.Medium injection hole injected media is water.Pilot project is arranged as follows:
Pilot project 1: when static, at hydraulic pressure x Mpa, whether sealing is leaked.
Pilot project 2: when rotation, in the case where hydraulic pressure x Mpa, revolving speed y rpm/min, whether sealing is leaked.
Pilot project 3: it is continuously run in the case where hydraulic pressure x Mpa, revolving speed y rpm/min, the temperature of sealing contact surface
Whether q DEG C is higher than.
Pilot project 4: after operation z hours, whether sealing system is leaked, and measures the mill of sealing and sealing contact surface
Damage amount is how many.
Pilot project 5: when static, being stepped up hydraulic pressure, until sealing system leaks, is repeatedly averaged after measurement
Value, the limit quiescent operation pressure as sealing system.
According to above test result, it is possible to determine that whether the structure of sealing, material, properties meet requirement.
It can be seen that the utility model injects the medium with pressure by the inlet of medium injection ring, master can be tested
The pressure-resistant performance of the static state of sealing system is driven, and main drive in the case of different rotating speeds can be tested by the revolving speed of adjusting drive motor
The frictional heating amount of dynamic sealing system, and the dynamic pressure resistance performance of main driving sealing at various pressures.In addition, when passing through long
Between rotation, can check the abrasion condition of itself and sealing contact surface of main driving sealing, determine and main drive the resistance to of sealing system
Long performance, and by injecting different media, properties of sealing system under the influence of different medium can be tested, had
Have it is simple for structure, convenient test, it is comprehensive the advantages that.
Claims (5)
1. a kind of experimental rig for driving sealing performance for testing shield owner, it is characterised in that: including fixed outer ring (1),
Inner ring (6), revolving support (2) and driving device (3) are rotated, which has fixed outer ring and be placed in the fixation outer ring
Temperature of inner ring during rotation, the fixation outer ring of the revolving support is fixed in one end of the fixed outer ring, and the rotation inner ring is placed in institute
It states in fixed outer ring, the inner end of the rotation inner ring is fixedly connected with the temperature of inner ring during rotation of the revolving support, and the driving device is set
It is sequentially connected in outside one end of the fixed outer ring and with the temperature of inner ring during rotation of the revolving support, the driving device can pass through
The temperature of inner ring during rotation of the revolving support drives the rotation inner ring to rotate in the fixed outer ring；The fixed outer ring includes can
The fixation outer ring leading portion (4) of dismantling connection and fixed outer ring back segment (5), before the outer wall and the fixed outer ring of the rotation inner ring
The front side cavity (7) for the first main driving seal assembly (101) to be measured to be arranged, the rotation inner ring are formed between the inner wall of section
Outer wall and the fixed outer ring back segment between formed for be arranged second it is to be measured it is main drive seal assembly (102) rear side cavity
(8)；Several radial lubricating oil injection holes (9) are offered respectively on the fixed outer ring leading portion and fixed outer ring back segment to be connected to
Sensor mounting hole (10) are respectively equipped on the front side cavity and rear side cavity, the rotation inner ring and fixed outer ring leading portion,
Temperature sensor (11) for detecting sealing contact surface temperature change is installed in the sensor mounting hole；The fixed outer ring
Medium injection ring (12) are equipped between leading portion and fixed outer ring back segment, which is equipped with several radial medium injections
Hole (13)；The outer ring end cap (14) of annular, the outer ring end cap and the rotation are fixed on the outer end face of the fixed outer ring leading portion
Turn that there is slit between inner ring, which forms the first outlet (15) of front side cavity；If the fixed outer ring back segment is equipped with
Trunk diameter to aperture, formed rear side cavity second outlet (16).
2. the experimental rig according to claim 1 for driving sealing performance for testing shield owner, it is characterised in that: institute
Stating driving device is drive motor, and the output shaft end of the drive motor is equipped with driving gear, in the rotation of the revolving support
Circle is equipped with internal tooth, and the driving gear of the drive motor is connect with the interior tooth engagement of the temperature of inner ring during rotation.
3. the experimental rig according to claim 2 for driving sealing performance for testing shield owner, it is characterised in that: institute
State temperature sensor fixing hole set on the fixed outer ring and rotation inner ring and the first main driving seal assembly to be measured and second to
It surveys on the rubbing surface of main driving seal assembly.
4. the experimental rig according to claim 3 for driving sealing performance for testing shield owner, it is characterised in that: institute
The first main driving seal assembly to be detected and the second main driving seal assembly to be detected is stated to install by stress surface is opposite.
5. the experimental rig according to claim 4 for driving sealing performance for testing shield owner, it is characterised in that: institute
Rotation inner ring is stated to be fixedly connected by inner ring connecting plate (17) with the temperature of inner ring during rotation of the revolving support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822010698.1U CN208953207U (en) | 2018-12-03 | 2018-12-03 | The experimental rig of sealing performance is driven for testing shield owner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822010698.1U CN208953207U (en) | 2018-12-03 | 2018-12-03 | The experimental rig of sealing performance is driven for testing shield owner |
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| Publication Number | Publication Date |
|---|---|
| CN208953207U true CN208953207U (en) | 2019-06-07 |
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ID=66745462
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822010698.1U Active CN208953207U (en) | 2018-12-03 | 2018-12-03 | The experimental rig of sealing performance is driven for testing shield owner |
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| Country | Link |
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| CN (1) | CN208953207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297642A (en) * | 2018-12-03 | 2019-02-01 | 江苏凯宫隧道机械有限公司 | The experimental rig and test method of sealing performance are driven for testing shield owner |
-
2018
- 2018-12-03 CN CN201822010698.1U patent/CN208953207U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297642A (en) * | 2018-12-03 | 2019-02-01 | 江苏凯宫隧道机械有限公司 | The experimental rig and test method of sealing performance are driven for testing shield owner |
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