CN206919952U - Wear-resistant scraper flowmeter - Google Patents
Wear-resistant scraper flowmeter Download PDFInfo
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- CN206919952U CN206919952U CN201720759443.8U CN201720759443U CN206919952U CN 206919952 U CN206919952 U CN 206919952U CN 201720759443 U CN201720759443 U CN 201720759443U CN 206919952 U CN206919952 U CN 206919952U
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- wear
- rolling member
- scraper plate
- scraper
- housing
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Abstract
The utility model provides a kind of wear-resistant scraper flowmeter, is related to petroleum equipment technical field, solves the presence of blade flowmeter present in prior art and easily blocks technical problem easy to wear.The device includes housing, scraper plate, wear-resisting rolling member, rotor and cam, wherein：Wear-resisting rolling member is arranged on scraper plate close to one end of housing and is rotatablely connected with scraper plate, the other end of scraper plate is in contact with cam and can rolled relative to cam, scraper plate is evenly distributed on rotor by the center of circle of rotor, during cam rotation, two end covers in the scraper plates of stretching state, the projection on housing, rotor and housing form measuring room, and the wear-resisting rolling member on the scraper plate in elongation state is in contact and can be relative to raised rolling with projection；The raised surface being in contact with wear-resisting rolling member is additionally provided with wearing layer.The utility model improves the service life of wear-resistant scraper flowmeter.
Description
Technical field
Petroleum equipment technical field is the utility model is related to, more particularly, to a kind of wear-resistant scraper flowmeter.
Background technology
Flowmeter be indicate measured flux and (or) in selected time interval fluid total volume instrument, flowmeter is to use
A kind of instrument of fluid flow in measurement pipeline or open channel.At present, conventional flow in respect of：Volumetric flowmeter, vane type
Flowmeter, differential pressure flowmeter etc..
Volume flow measuring is to measure the fluid volume by flowmeter, positive displacement repeatedly using the small volume of fixation
The operation principle of flowmeter is：Fluid will produce certain pressure differential by flowmeter between flowmeter inlet and outlet.Flow
The special product life rotation under the effect of this pressure differential of the rotatable parts of meter, and fluid is arranged to outlet from entrance.In this process,
Fluid is full of " metric space " of flowmeter one after another, is sent to then and constantly outlet.Under the conditions of given stream gauge,
What the volume of the metric space was to determine, as long as measuring the number of revolutions of rotor.It can be obtained by the fluid body by flowmeter
Long-pending accumulated value.
Volumetric flowmeter is classified by its measuring cell, can be divided into oval gear flowmeter, blade flowmeter, birotor stream
Gauge, rotary-piston flowmeter, reciprocating-piston flowmeter etc..At present, most of blade flowmeter is cam-type structure, including is put
Put the rotor in flowmeter shell, be provided with rotor radial place scraper plate groove, scraper plate is freely slidable in groove, scraper plate by
Connecting rod connects, and is mutually perpendicular to.In addition, one end of each scraper plate is equipped with roller, roller coincide all the time on cam and when stretch when
Contracting, a metric space is formed when two adjacent scraper plates all extend out to inner walls.In metric space regional movement,
Scraper plate with rotor motion without slide, to ensure the constant of volume, when scraper plate leaves metric space region, scraper plate retraction groove
Interior, liquid is discharged from outlet, and the volume of discharge fluid is calculated by determining the number of revolutions of rotor.
Applicants have discovered that at least there is following technical problem in prior art：
Blade flowmeter there is a situation where easily to block easy to wear.
Utility model content
The purpose of this utility model is to provide wear-resistant scraper flowmeter, to solve scraper plate stream present in prior art
Gauge, which exists, easily blocks technical problem easy to wear.Optimal technical scheme in many technical schemes provided by the utility model can produce
Raw many technique effects elaboration as detailed below.
To achieve the above object, the utility model provides following technical scheme：
A kind of wear-resistant scraper flowmeter, including housing, scraper plate, wear-resisting rolling member, rotor and cam, wherein：It is described resistance to
Mill rolling member is arranged on the scraper plate close to one end of the housing and is at least partly rotatablely connected with the scraper plate, the scraper plate
The other end be in contact and can be rolled relative to the cam with the cam, the scraper plate uniformly divides using the rotor as the center of circle
Cloth is on the rotor, during the cam rotation, two scraper plates in stretching state, the projection on the housing, institutes
The end cover for stating rotor and the housing forms measuring room, and the wear-resisting rolling on the scraper plate in elongation state
Moving part is at least partly in contact with the projection and can be relative to the raised rolling；It is described raised with the wear-resisting rolling member phase
The surface of contact is additionally provided with wearing layer.
Preferably, the wear-resisting rolling member includes rolling member, and the rolling member is located at the scraper plate close to the housing
One end and with the scraper plate be rotatablely connected.
Preferably, the scraper plate offers rolling member groove close to one end of the housing, and the rolling member is arranged on described
In rolling member groove.
Preferably, the rolling member is shaped as cylinder, and the rolling member is made up of high-abrasive material；It is described raised to be resistance to
Mill material is made.
Preferably, the wear-resisting rolling member also includes fixture, and the fixture is located in the rolling member groove and two
The fixture is located at the both ends of the rolling member groove respectively, and the fixture is connected with the scraper plate.
Preferably, the fixture is made up of high-abrasive material, the fixture and the scraper plate bolt connection.
Preferably, the scraper plate is the arc with certain radian.
Preferably, raised two sides away from the housing are formed with the fillet with certain radian.
Preferably, the rolling member is made up of elastomeric material.
Preferably, the entrance of wear-resistant scraper flowmeter and exit are provided with the screen pack of impurity screening.
Wear-resistant scraper flowmeter provided by the utility model, it is in rolling contact by scraper plate and raised, solves scraper plate flow
Meter, which exists, easily blocks the problem of easy to wear, improves the service life of blade flowmeter.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of wear-resistant scraper flowmeter inner workings；
Fig. 2 is the structural representation of the wear-resisting rolling member of wear-resistant scraper flowmeter.
1- housings in figure；11- is raised；2- scraper plates；21- rolling member grooves；The wear-resisting rolling members of 3-；31- rolling members；32- is fixed
Part；4- rotors；5- cams；6- measuring rooms；7- imports；8- is exported.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail.Obviously, described embodiment is only the utility model part of the embodiment, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other embodiment is put, belongs to the scope that the utility model is protected.
The utility model provides a kind of wear-resistant scraper flowmeter, referring to Fig. 1 and Fig. 2, including it is housing 1, scraper plate 2, wear-resisting
Rolling member 3, rotor 4 and cam 5, wherein：Wear-resisting rolling member 3 be arranged on scraper plate 2 close to one end of housing 1 and at least partly with
Scraper plate 2 is rotatablely connected, and the other end of scraper plate 2 is in contact with cam 5 and can rolled relative to cam 5, and scraper plate 2 is circle with rotor 4
The heart is evenly distributed on rotor 4, when cam 5 rotates, two scraper plate 2, the projection 11 on housing 1, the rotors 4 for being in stretching state
And housing 1 end cover formed measuring room 6, and in elongation state scraper plate 2 at least part of wear-resisting rolling member 3 with
Projection 11 is in contact and can rolled relative to projection 11, and the contact between wear-resisting rolling member 3 and projection 11 is rolling friction, and is showed
There are scraper plate 2 and raised 11 sliding frictions, the utility model make it that the frictional force between wear-resisting rolling member 3 and projection 11 is small, existing
Scraper plate 2 and projection 11 frictional force it is big, so, wear-resisting rolling member 3 of the present utility model and projection 11 abrasion it is small, solve
Blade flowmeter be present easy to wear in the prior art, and being in rolling contact between wear-resisting rolling member 3 and projection 11 also causes
Scraper plate 2 is not easy to block, and is also rolling friction between wear-resisting rolling member 3 and scraper plate 2, the frictional force that scraper plate 2 is subject to is small, Ke Yi
The surface that projection 11 is in contact with wear-resisting rolling member 3 sets wearing layer, increase projection 11 and the service life of wear-resisting rolling member 3,
The position that can also be contacted on scraper plate 2 with wear-resisting rolling member 3 sets wearing layer, increases the service life of scraper plate 2.
Optionally embodiment, wear-resisting rolling member 3 include rolling member 31, and rolling member 31 is located at scraper plate 2 close to housing 1
One end and being rolled with scraper plate 2 connect, scraper plate 2 offers rolling member groove 21 close to one end of housing 1, and rolling member 31 is arranged on rolling
In moving part groove 21；Rolling member 31 is shaped as cylinder, and rolling member 31 is made up of high-abrasive material, and tubular rolling member 31 is real
It is now force of rolling friction between projection 11 and scraper plate 2, projection 11 can also be made up of high-abrasive material.
Optionally embodiment, wear-resisting rolling member 3 also include fixture 32, and fixture 32 is located in rolling member groove 21
And two fixtures 32 are located at the both ends of rolling member groove 21 respectively, fixture 32 is connected with scraper plate 2.Fixture 32 is fixed on scraper plate
On 2, fixture 32 can be bolt connection with scraper plate 2, and fixture 32 is relative to the remains stationary of scraper plate 2, fixture 32 and projection
It is sliding friction between 11, if without fixture 32, the both ends of rolling member 31 rotate relative to end cover so that rolling
There is friction between moving part 31 and end cap, end cap is not made of the frictional force meeting between rolling member 31 and end cap using high-abrasive material
Opposite end lid is had a certain impact, and fixture 32 is provided between rolling member 31 and end cap, and fixture 32 is kept relative to end cap
Static, fixture 32 can be made of high-abrasive material.
Optionally embodiment, scraper plate 2 are the arc with certain radian.The scraper plate 2 of arc adds fluid
With the contact area of scraper plate 2, active force of the fluid matasomatism on scraper plate 2 is added, improves the efficiency of blade flowmeter.
Optionally embodiment, raised 11 two sides away from housing 1 subtract formed with the fillet with certain radian
Small rolling member 31 and the damage of projection 11.
Optionally embodiment, the surface of rolling member 31 scribble high-abrasive material, and rolling member 31 is made up of elastomeric material,
Certain elastic deformation can occur when being contacted with projection 11, be in close contact with projection 11 and form the measuring room 6 of closing, together
When, the rolling member 31 of flexible performance also improves the service life of rolling member 31, while also solve that scraper plate 2 easily blocks asks
Topic.
Optionally embodiment, impurity screening is provided with the import 7 of wear-resistant scraper flowmeter and at outlet 8
Screen pack.
Wear-resistant scraper flowmeter provided by the utility model, is in rolling contact by scraper plate and projection, solves blade flowmeter
In the presence of easily blocking the problem of easy to wear.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (10)
1. a kind of wear-resistant scraper flowmeter, it is characterised in that including housing (1), scraper plate (2), wear-resisting rolling member (3), rotor (4)
And cam (5), wherein：
The wear-resisting rolling member (3) is arranged on the scraper plate (2) close to one end of the housing (1) and at least partly scraped with described
Plate (2) is rotatablely connected, and the other end of the scraper plate (2) is in contact with the cam (5) and can rolled relative to the cam (5)
Dynamic, the scraper plate (2) is that the center of circle is evenly distributed on the rotor (4) with the rotor (4), when the cam (5) rotates, two
The individual scraper plate (2) in stretching state, the projection (11) on the housing (1), the rotor (4) and the housing
(1) end cover forms measuring room (6), and at least part wear-resisting rolling on the scraper plate (2) in elongation state
Moving part (3) is in contact with raised (11) and can rolled relative to described raised (11)；It is described projection (11) with it is described wear-resisting
The surface that rolling member (3) is in contact is additionally provided with wearing layer.
2. wear-resistant scraper flowmeter according to claim 1, it is characterised in that the wear-resisting rolling member (3) includes rolling
Part (31), the rolling member (31) are located at the scraper plate (2) close to one end of the housing (1) and rotated with the scraper plate (2)
Connection.
3. wear-resistant scraper flowmeter according to claim 2, it is characterised in that the scraper plate (2) is close to the housing (1)
One end offer rolling member groove (21), the rolling member (31) is arranged in the rolling member groove (21).
4. the wear-resistant scraper flowmeter according to Claims 2 or 3, it is characterised in that rolling member (31) are shaped as
Cylinder, the rolling member (31) are made up of high-abrasive material；The projection (11) is made up of high-abrasive material.
5. wear-resistant scraper flowmeter according to claim 3, it is characterised in that the wear-resisting rolling member (3) also includes solid
Determine part (32), the fixture (32) is located in the rolling member groove (21) and two fixtures (32) are respectively positioned at described
The both ends of rolling member groove (21), the fixture (32) are connected with the scraper plate (2).
6. wear-resistant scraper flowmeter according to claim 5, it is characterised in that the fixture (32) is high-abrasive material
It is made, the fixture (32) and the scraper plate (2) bolt connection.
7. wear-resistant scraper flowmeter according to claim 2, it is characterised in that the scraper plate (2) is with certain radian
Arc.
8. wear-resistant scraper flowmeter according to claim 2, it is characterised in that the projection (11) is away from the housing
(1) two sides are formed with the fillet with certain radian.
9. wear-resistant scraper flowmeter according to claim 2, it is characterised in that the rolling member (31) is elastomeric material system
Into.
10. wear-resistant scraper flowmeter according to claim 1, it is characterised in that import (7) place of wear-resistant scraper flowmeter
The screen pack of impurity screening is provided with outlet (8) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720759443.8U CN206919952U (en) | 2017-06-27 | 2017-06-27 | Wear-resistant scraper flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720759443.8U CN206919952U (en) | 2017-06-27 | 2017-06-27 | Wear-resistant scraper flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206919952U true CN206919952U (en) | 2018-01-23 |
Family
ID=61322802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720759443.8U Active CN206919952U (en) | 2017-06-27 | 2017-06-27 | Wear-resistant scraper flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206919952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844590A (en) * | 2018-06-08 | 2018-11-20 | 合肥利都自动化仪表有限公司 | A kind of spinner flowmeter with built-in quick detachable low friction float |
-
2017
- 2017-06-27 CN CN201720759443.8U patent/CN206919952U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844590A (en) * | 2018-06-08 | 2018-11-20 | 合肥利都自动化仪表有限公司 | A kind of spinner flowmeter with built-in quick detachable low friction float |
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