CN207231436U - A kind of detection device of sealing test - Google Patents
A kind of detection device of sealing test Download PDFInfo
- Publication number
- CN207231436U CN207231436U CN201721336966.8U CN201721336966U CN207231436U CN 207231436 U CN207231436 U CN 207231436U CN 201721336966 U CN201721336966 U CN 201721336966U CN 207231436 U CN207231436 U CN 207231436U
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- cavity
- sealing
- detection device
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Abstract
The utility model discloses a kind of detection device of sealing test, there is cavity and the experiment cavity of one end open including internal, it is arranged on the sealing frock of the openend of the experiment cavity, horizontally rotate the dummy shaft being arranged in the test cavity body, it is arranged on the detecting element of pressure in test chamber on the experiment cavity, and it is arranged on the tank being used for below the experiment cavity, water inlet and water outlet are provided with the experiment cavity, shaft seal to be detected is set between the sealing frock and the dummy shaft, the dummy shaft is passed through from the shaft seal, since the utility model is by testing the pivoting friction under cavity simulation water under different hydraulic pressure operating modes between dummy shaft and sealing, being capable of the largely underwater abrasion condition of simulation sealing.
Description
Technical field
The testing equipment field of sealing peculiar to vessel is the utility model is related to, particularly a kind of detection dress of sealing test
Put.
Background technology
It is particularly important that sealing is an important component in shipborne equipment, the sealing of propeller shaft, the aging of sealing,
The water that abrasion eventually brings the lubricating oil leakage in gear-box either extraneous enters gear-box, this is to the driving cog in gear-box
The infringement of wheel is very huge.
When propeller shaft works, propeller shaft eventually brings huge thrust for hull, thus propeller shaft except
The rotation of itself, is also inevitably being axially moved along it within the specific limits.Therefore propeller shaft sealing except
The aging of own material, the rotation of propeller are extremely complex to the abrasion that sealing is brought.The lower water of the work of sealing at the same time
Under, huge hydraulic pressure and complicated abrasion environment so that theoretically can not accurately calculate the abrasion of sealing.
Therefore, a kind of detection device for the sealing test that can simulate sealing applying working condition peculiar to vessel is needed at present.
The content of the invention
The purpose of this utility model is to provide a kind of detection device of sealing test.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：
A kind of detection device of sealing test, including the internal experiment cavity with cavity and one end open, setting
Sealing frock in the openend of the experiment cavity, horizontally rotate the dummy shaft being arranged in the test cavity body, be arranged on institute
The detecting element of pressure in test chamber on experiment cavity is stated, and is arranged on the water storage being used for below the experiment cavity and holds
Device, described test are provided with water inlet and water outlet on cavity, are set between the sealing frock and the dummy shaft to be detected
Shaft seal, the dummy shaft are passed through from the shaft seal.
Preferably, the sealing frock is cylindrical shape, and its one end connects the openend of the experiment cavity, and the other end is set
The shaft seal.
It is further preferred that the sealing frock is detachably connected with the experiment cavity.
Preferably, the detecting element includes pressure sensor and pressure gauge.
Preferably, the dummy shaft through the drive shaft of the experiment cavity by driving its rotation, the drive shaft driving
The dummy shaft also drives the dummy shaft to be moved back and forth along its axial direction while rotation.
Preferably, the water inlet is arranged on the top of the experiment cavity.
It is further preferred that it is additionally provided with air bleeding valve at the top of the experiment cavity.
Preferably, the water outlet is arranged on the bottom of the experiment cavity.
It is further preferred that the bottom of the experiment cavity is additionally provided with the pressurize for maintaining the experiment cavity pressure stability
Valve.
Preferably, the scale of instruction wherein water is provided with the tank.
Since above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：
Since the utility model is by testing turn under cavity simulation water under different hydraulic pressure operating modes between dummy shaft and sealing
Dynamic friction, being capable of the largely underwater abrasion condition of simulation sealing.
While rotation due to the drive shaft driving dummy shaft of the utility model, also dummy shaft is driven to be moved back and forth axially, mould
Movement locus when spiroid paddle shaft real work, to test the abrasion condition of sealing.
Due to the utility model experiment cavity be provided with tank, by measure from test cavity leakage water be
The abrasion condition of sealing can be calculated.
Brief description of the drawings
Attached drawing 1 is the theory structure schematic diagram of the utility model.
In the figures above：1st, cavity is tested；11st, water inlet；12nd, water outlet；13rd, air bleeding valve；14th, pressure retaining valve；2nd, seal
Frock；3rd, dummy shaft；41st, pressure sensor；42nd, pressure gauge；5th, tank；6th, drive shaft.
Embodiment
Shown embodiment is further described the utility model below in conjunction with the accompanying drawings：
Referring to shown in attached drawing 1, a kind of detection device of sealing test, including internal there is cavity and one end open
Experiment cavity 1, be arranged on the sealing frock 2 for the openend for testing cavity 1, horizontally rotate the dummy shaft being arranged in experiment cavity 1
3rd, the detecting element of pressure in test chamber on experiment cavity 1 is arranged on, and is arranged on the water storage that 1 lower section of experiment cavity is used for
Container 5, tests and is provided with water inlet 11 and water outlet 12 on cavity 1, axis to be detected is set between sealing frock 2 and dummy shaft 3
Seal 7, dummy shaft 3 are passed through from shaft seal 7.By testing, dummy shaft 3 and axis are close under different hydraulic pressure operating modes under 1 simulation water of cavity
Pivoting friction between sealing 7, being capable of largely 7 underwater abrasion condition of simulation shaft seal.
Sealing frock 2 is cylindric, the openend of its one end joint test cavity 1, and the other end sets shaft seal 7.It is close
Envelope frock 2 is detachably connected with experiment cavity 1.
Detecting element includes pressure sensor 41 and pressure gauge 42, and water outlet 12 is arranged on the bottom of experiment cavity 1, experiment
The bottom of cavity 1 is additionally provided with the pressure retaining valve 14 for maintaining experiment 1 pressure stability of cavity.Detecting element can detect experiment cavity 1
Interior hydraulic pressure, and by pressure sensor 41 by test cavity 1 in water column feedback to control device（The equipment such as computer）, control
Control equipment supplements water to experiment cavity 1 by pressure retaining valve 14 and is maintained at setting numerical value with the pressure in guarantee test cavity 1.
Dummy shaft 3 through the drive shaft 6 of experiment cavity 1 by driving its rotation, while drive shaft 6 drives the rotation of dummy shaft 3
Also driving dummy shaft 3 is moved back and forth along its axial direction.Movement locus when propeller shaft real work is simulated, to test shaft seal
7 abrasion condition.
Water inlet 11 is arranged on the top of experiment cavity 1, and the top of experiment cavity 1 is additionally provided with air bleeding valve 13.Air bleeding valve
13 can empty the air tested in cavity 1 in the water filling into experiment cavity 1 of water inlet 11.
The scale of instruction wherein water is provided with tank 5.It can more be clearly seen that and be let out out of experiment cavity 1
The water of leakage, also has weighing device in the present embodiment, weighing device detects the weight of tank in real time below tank 5
Amount, control device calculate the wear extent of shaft seal 7 according to the variable quantity of 5 weight of time and tank.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (10)
- A kind of 1. detection device of sealing test, it is characterised in that：Including the internal experiment with cavity and one end open Cavity, be arranged on it is described experiment cavity openend sealing frock, horizontally rotate be arranged in the test cavity body dummy shaft, The detecting element of pressure in test chamber on the experiment cavity is arranged on, and is arranged on what is be used for below the experiment cavity Tank, described test are provided with water inlet and water outlet on cavity, set and treat between the sealing frock and the dummy shaft The shaft seal of detection, the dummy shaft are passed through from the shaft seal.
- A kind of 2. detection device of sealing test according to claim 1, it is characterised in that：The sealing frock is circle Tubular, the openend of its one end connection experiment cavity, the other end set the shaft seal.
- A kind of 3. detection device of sealing test according to claim 2, it is characterised in that：The sealing frock and institute Experiment cavity is stated to be detachably connected.
- A kind of 4. detection device of sealing test according to claim 1, it is characterised in that：The detecting element includes Pressure sensor and pressure gauge.
- A kind of 5. detection device of sealing test according to claim 1, it is characterised in that：The dummy shaft by through The drive shaft of the experiment cavity drives its rotation, and the drive shaft also drives the dummy shaft while driving the dummy shaft to rotate Moved back and forth along its axial direction.
- A kind of 6. detection device of sealing test according to claim 1, it is characterised in that：The water inlet is arranged on The top of the experiment cavity.
- A kind of 7. detection device of sealing test according to claim 6, it is characterised in that：The top of the experiment cavity Portion is additionally provided with air bleeding valve.
- A kind of 8. detection device of sealing test according to claim 1, it is characterised in that：The water outlet is arranged on The bottom of the experiment cavity.
- A kind of 9. detection device of sealing test according to claim 8, it is characterised in that：The bottom of the experiment cavity Portion is additionally provided with the pressure retaining valve for maintaining the experiment cavity pressure stability.
- A kind of 10. detection device of sealing test according to claim 1, it is characterised in that：On the tank It is provided with the scale of instruction wherein water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721336966.8U CN207231436U (en) | 2017-10-17 | 2017-10-17 | A kind of detection device of sealing test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721336966.8U CN207231436U (en) | 2017-10-17 | 2017-10-17 | A kind of detection device of sealing test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207231436U true CN207231436U (en) | 2018-04-13 |
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ID=61851748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721336966.8U Active CN207231436U (en) | 2017-10-17 | 2017-10-17 | A kind of detection device of sealing test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207231436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631709A (en) * | 2017-10-17 | 2018-01-26 | 苏州苏净船用机械有限公司 | A kind of detection means of sealing test |
-
2017
- 2017-10-17 CN CN201721336966.8U patent/CN207231436U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631709A (en) * | 2017-10-17 | 2018-01-26 | 苏州苏净船用机械有限公司 | A kind of detection means of sealing test |
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