CN206707998U - A kind of detection means of the radial displacement of three screw pump discharge chamber driven screw - Google Patents
A kind of detection means of the radial displacement of three screw pump discharge chamber driven screw Download PDFInfo
- Publication number
- CN206707998U CN206707998U CN201720288391.0U CN201720288391U CN206707998U CN 206707998 U CN206707998 U CN 206707998U CN 201720288391 U CN201720288391 U CN 201720288391U CN 206707998 U CN206707998 U CN 206707998U
- Authority
- CN
- China
- Prior art keywords
- screw
- pump housing
- fixture
- pump
- driven screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model belongs to the technical field of three screw pump detection, disclose a kind of detection means of the radial displacement of three screw pump discharge chamber driven screw, including being arranged on the pump housing of three screw pump and coordinating fixture with the pump housing, the position that driven screw is corresponded in the top half of the fixture and the latter half is provided with Folder through-holes, Folder through-holes position is corresponded on the pump housing and is provided with pump housing through hole, sliding block is provided with the pump housing through hole, the probe assembly and bolt of displacement transducer are provided with the Folder through-holes, the bolt is used for the placement location of positioning probe component, one end of the sliding block is in contact with driven screw, the probe of the probe assembly of the other end and displacement transducer is in contact, the top half of the fixture is connected with the displacement transducer of the latter half with data collecting instrument.The utility model can detect the radial displacement of driven screw in real time, simple in construction, use practical and easy to spread.
Description
Technical field
It the utility model is related to the technical field of three screw pump detection, more particularly to a kind of three screw pump discharge driven spiral shell of chamber
The detection means of the radial displacement of bar.
Background technology
Three screw pump has that flow trim, pressure fluctuation are small, have low suction capacity, noise, with small vibration, efficiency high, structure
The advantages that compact, it is widely used in the fields such as ship, electric power, lathe, elevator, oil.Operation principle is mainly three intermeshings
Screw and bushing form the chamber for sealing each sealing, medium can be made from suction chamber to discharge chamber vertically with annular seal space
Linear motion, effectively by outside medium excavationg pump.
At work, pressure increases three screw pump step by step along suction chamber to discharge chamber, in discharge chamber position due to pressure
Increase and driving screw rod and driven screw gap in engagement be present, driven screw can produce in radial direction under the effect of the pressure
Raw displacement, can so cause the gap between driving screw rod and driven screw to increase, increase the amount of leakage of pump, so as to influence pump
Volumetric efficiency, so the radial displacement of detection pump driven screw at work is very important.
Utility model content
The utility model provides a kind of detection means and method of the radial displacement of three screw pump discharge chamber driven screw,
Solve the test problems of the radial displacement of three screw rod driven screws.
The utility model can be achieved through the following technical solutions：
A kind of detection means of the radial displacement of three screw pump discharge chamber driven screw, including it is arranged on the pump of three screw pump
Coordinate fixture on body and with the pump housing, the position that driven screw is corresponded in the top half of the fixture and the latter half is provided with
Folder through-holes, Folder through-holes position is corresponded on the pump housing and is provided with pump housing through hole, sliding block is provided with the pump housing through hole,
The probe assembly and bolt of displacement transducer are provided with the Folder through-holes, the bolt is used for positioning probe group
The placement location of part, one end of the sliding block are in contact with driven screw, the spy of the probe assembly of the other end and displacement transducer
Head is in contact, and the top half of the fixture is connected with the displacement transducer of the latter half with data collecting instrument.
Further, the fixture is fixedly set on the pump housing by bolt, spring shim and nut.
Further, the semi-circular recesses of mutual cooperation, the semi-circular recesses and three screw rods are provided with the inside of the fixture
The pump housing of pump is engaged.
Further, the fixture is provided with the ear of protrusion with the radial parallel both sides of the pump housing, is provided with the ear
Through hole, the bolt and spring washer piece coordinate through through hole and nut, fixture are fixedly set on the pump housing.
Further, the bolt is extended to inside Folder through-holes through fixture side wall.
The utility model is beneficial to be had technical effect that：
The utility model can detect the radial direction position of three screw pump driven screw in the course of the work accurately and in real time
Move, simple in construction, cost is cheap, use practical and easy to spread.
Brief description of the drawings
Fig. 1 is general structure schematic diagram of the present utility model；
Fig. 2 is the axial sectional view of general structure of the present utility model；
Fig. 3 is the radial cross-section of general structure of the present utility model；
Wherein, the top half of 1- fixtures, the latter half of 2- fixtures, the 3- pump housings, 4- bolts, 5- spring shims, 6- spiral shells
Mother, the driven screws of 7- first, the driven screws of 8- second, 9- sliding blocks, 10- displacement transducers, 11- bolts, 12- data acquisitions
Instrument.
Embodiment
Below in conjunction with the accompanying drawings and preferred embodiment describes specific embodiment of the present utility model in detail.
As Figure 1-3, the utility model provides a kind of inspection of the radial displacement of three screw pump discharge chamber driven screw
Device is surveyed, including the fixture for being arranged on the pump housing 3 and coordinating with the pump housing 3, the fixture include top half 1 and the latter half 2, should
The top half 1 of fixture and the inner side of the latter half 2 are arranged to semi-circular recesses, the pump housing of the semi-circular recesses and three screw pump
3 coordinate, and fixture is provided with the ear of protrusion with the radial parallel both sides of the pump housing 3, through hole is correspondingly opened up in ear, with bolt 4
Coordinate with spring shim 5 through through hole with nut 6, fixture is fixedly set on the pump housing 3.
The position of corresponding first driven screw 7 of the top half 1 of the fixture and the latter half 2 and the second driven screw 8 is equal
Folder through-holes are provided with, the position that Folder through-holes are corresponded on the pump housing 3 is provided with pump housing through hole, and cunning is provided with pump housing through hole
Block 9, the probe assembly of displacement transducer 10, one end of sliding block 9 and the first driven screw 7 or the second are provided with Folder through-holes
Driven screw 8 is in contact, and the probe of the probe assembly of the other end and displacement transducer 10 is in contact, while in Folder through-holes also
Bolt 11 is provided with, the side wall of the bolt 11 through fixture is extended to inside Folder through-holes, for positioning probe group
The placement location of part, so that one end of the probe contact slipper 9 all the time of probe assembly, but do not compress, the other end of sliding block 9 begins
Whole contact bush, but do not compress, it the first driven screw 7 or the radial displacement of the second driven screw 8 is passed through cunning
The probe for the probe assembly of displacement transducer 10 that block 9 is real-time and accurately delivered to, so as to ensure the reliability of test data and standard
True property.
Meanwhile the displacement transducer 10 of the top half 1 of fixture and the latter half 2 is passed through into line with data collecting instrument 12
Cable connects, and so detects the radial displacement of driven screw in real time using displacement transducer 10, it is possible to pass through data collecting instrument 12
The testing result of real-time display displacement transducer 10, the situation inside convenient working person's real-time monitored three screw pump.
The radial displacement that chamber driven screw can be discharged to three screw pump by the following method detects, and specifically includes：
Step 1, the Folder through-holes of the fixture and pump housing through hole are alignd, and pass through bolt 4, spring shim 5 and nut
6 are fixedly set on the pump housing 3；
Step 2, sliding block 9 is put into pump housing through hole through Folder through-holes, the probe assembly of displacement transducer 10 is put into folder
Have in through hole, and probe assembly is positioned by bolt 11 and fixed, so that the spy of the probe assembly of displacement transducer 10
Head, sliding block 9 and corresponding driven screw contact all the time each other；
Step 3, the probe for the probe assembly of displacement transducer 10 that the radial displacement of driven screw is delivered to by sliding block 9,
So as to which utilization displacement transducer 10 detects the radial displacement of driven screw in real time, and by showing displacement during data collecting instrument reality 12
The testing result of sensor 10.
The utility model can detect the radial direction position of three screw pump driven screw in the course of the work accurately and in real time
Move, simple in construction, cost is cheap, use practical and easy to spread.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely illustrative of, and on the premise of without departing substantially from principle of the present utility model and essence, these embodiments can be done
Go out various changes or modifications, therefore, the scope of protection of the utility model is defined by the appended claims.
Claims (5)
- A kind of 1. detection means of the radial displacement of three screw pump discharge chamber driven screw, it is characterised in that：Including being arranged on three The fixture coordinated on the pump housing of screw pump and with the pump housing, driven screw is corresponded in the top half of the fixture and the latter half Position is provided with Folder through-holes, and Folder through-holes position is corresponded on the pump housing and is provided with pump housing through hole, the pump housing through hole Sliding block is inside provided with, the probe assembly and bolt of displacement transducer, the bolt are provided with the Folder through-holes For the placement location of positioning probe component, one end of the sliding block is in contact with driven screw, the other end and displacement transducer The probe of probe assembly be in contact, the top half of the fixture and the displacement transducer of the latter half are and data collecting instrument It is connected.
- 2. the detection means of the radial displacement of three screw pump discharge chamber driven screw according to claim 1, its feature exist In：The fixture is fixedly set on the pump housing by bolt, spring shim and nut.
- 3. the detection means of the radial displacement of three screw pump discharge chamber driven screw according to claim 2, its feature exist In：The semi-circular recesses of mutual cooperation are provided with the inside of the fixture, the pump housing of the semi-circular recesses and three screw pump matches Close.
- 4. the detection means of the radial displacement of three screw pump discharge chamber driven screw according to claim 3, its feature exist In：The fixture is provided with the ear of protrusion with the radial parallel both sides of the pump housing, and through hole, the bolt are provided with the ear Coordinate with spring shim through through hole and nut, fixture is fixedly set on the pump housing.
- 5. the detection means of the radial displacement of three screw pump discharge chamber driven screw according to claim 1, its feature exist In：The bolt is extended to inside Folder through-holes through fixture side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720288391.0U CN206707998U (en) | 2017-03-23 | 2017-03-23 | A kind of detection means of the radial displacement of three screw pump discharge chamber driven screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720288391.0U CN206707998U (en) | 2017-03-23 | 2017-03-23 | A kind of detection means of the radial displacement of three screw pump discharge chamber driven screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206707998U true CN206707998U (en) | 2017-12-05 |
Family
ID=60471008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720288391.0U Withdrawn - After Issue CN206707998U (en) | 2017-03-23 | 2017-03-23 | A kind of detection means of the radial displacement of three screw pump discharge chamber driven screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206707998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812694A (en) * | 2017-03-23 | 2017-06-09 | 上海工程技术大学 | The detection means and method of the radial displacement of three screw pump discharge chamber driven screw |
-
2017
- 2017-03-23 CN CN201720288391.0U patent/CN206707998U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812694A (en) * | 2017-03-23 | 2017-06-09 | 上海工程技术大学 | The detection means and method of the radial displacement of three screw pump discharge chamber driven screw |
| CN106812694B (en) * | 2017-03-23 | 2018-10-16 | 上海工程技术大学 | The detection device and method of the radial displacement of chamber driven screw is discharged in three screw pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104142215B (en) | The method of testing and its device of a kind of sliding-contact packing sealing property | |
| US9797395B2 (en) | Apparatus and methods for identifying defective pumps | |
| MX2010012659A (en) | Applications of pump performance monitoring. | |
| CN106682815B (en) | Monitoring system and monitoring method for pumping well | |
| Li et al. | A non-destructive fault diagnosis method for a diaphragm compressor in the hydrogen refueling station | |
| CN105181205B (en) | A kind of axial force test device of high-voltage high-speed axial plunger pump plunger pair four | |
| CN102182695A (en) | Tester for axial force of pump | |
| CN206707998U (en) | A kind of detection means of the radial displacement of three screw pump discharge chamber driven screw | |
| CN104990661A (en) | Device for testing unsteady surface pressure of centrifugal pump blade | |
| CN203616063U (en) | Valve oil seal static sealing performance detection device | |
| Guan et al. | Experimental test and theoretical modeling on the working characteristics of spherical water pump | |
| CN106812694B (en) | The detection device and method of the radial displacement of chamber driven screw is discharged in three screw pump | |
| CN203114573U (en) | Scale type barometer air pump | |
| CN208443522U (en) | A kind of pressure sensor with impulse buffer unit | |
| CN108593273A (en) | A kind of fluctuation pressure attenuating device and its performance test methods towards low frequency | |
| CN203516104U (en) | Dynamic leakage equivalent observation experiment table for working medium in rotary compressor | |
| CN206522292U (en) | A kind of new Infinite Cyclic cylinder | |
| CN108680350A (en) | A kind of multi-functional hinged seal test table | |
| CN205778847U (en) | It is applied to the pump drainage sampling device of connector for logging while drilling | |
| CN114718857A (en) | Plunger pump noise test platform | |
| CN206583568U (en) | A kind of detection means of each chamber pressure of three screw pump | |
| CN203479509U (en) | Piston testing device | |
| CN103472258B (en) | A kind of device simultaneously measuring reciprocating pump valve disc acceleration of motion and impact force of pump | |
| CN103527463B (en) | The gas survey method of displacement-variable oil pump eccentric hoop swing angle | |
| CN1210741C (en) | Hydraulic operation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171205 Effective date of abandoning: 20181016 |
|
| AV01 | Patent right actively abandoned |