CN206519872U - A kind of crescent gear pump test fixture - Google Patents
A kind of crescent gear pump test fixture Download PDFInfo
- Publication number
- CN206519872U CN206519872U CN201720049117.8U CN201720049117U CN206519872U CN 206519872 U CN206519872 U CN 206519872U CN 201720049117 U CN201720049117 U CN 201720049117U CN 206519872 U CN206519872 U CN 206519872U
- Authority
- CN
- China
- Prior art keywords
- gear pump
- crescent gear
- test fixture
- power transmission
- transmission shaft
- 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.)
- Expired - Fee Related
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- Rotary Pumps (AREA)
Abstract
The utility model discloses a kind of crescent gear pump test fixture, including support plate, one clamp body is set in described support plate one end, a groove is provided with the clamp body side, the pump cover of crescent gear pump, which is corrected, to be stuck in the groove；Crescent gear pump input shaft end is provided with a power transmission shaft, the power transmission shaft is connected with crescent gear pump input shaft by a positioner, the first connector is provided between positioner and the crescent gear pump input shaft；The power transmission shaft and the support plate other end are provided with the second connector, second connector presses to crescent gear pump at the pump cover end of crescent gear pump；A tachometer disc is provided with the power transmission shaft.The utility model sets clamp body and power transmission shaft that crescent gear pump is fixed at support plate two ends, and centre sets positioner to be positioned, and compact conformation, improves sealing property.
Description
Technical field
The utility model is related to inside engaged gear pump technical field, relates generally to a kind of inside engaged gear pump testing folder
Tool.
Background technology
Crescent gear pump is to use gear internal messing principle, and internal-external gear pitch circle abuts one side, and another side is by pump cover
" swing link " is separated.Active internal gear on main shaft drives wherein external gear to rotate in same direction, and gear is separated from each other shape at import
Liquid is sucked into negative pressure, liquid is extruded and exported in the constantly embedded engagement in exit by gear.Surveyed for crescent gear pump
Function test is tried, such as：Small, the function such as service life length without pocketed oil phenomenon, steady conveying, efficiency high, noise, it is necessary first to
A kind of fixture is fixed and is easy to the fixture of test, but the test fixture clamping of crescent gear pump now is number
It is tired, waste time and energy, and versatility is not strong.
Utility model content
Technical problem to be solved in the utility model be to provide it is a kind of it is simple in construction, be easily installed, strong applicability it is interior
Intermeshing gear pump test fixture.
Technical problem to be solved in the utility model can adopt the following technical scheme that to realize：
A kind of crescent gear pump test fixture, including support plate, it is characterised in that set in described support plate one end
One clamp body, a groove is provided with the clamp body side, and the pump cover of crescent gear pump, which is corrected, to be stuck in the groove；
Crescent gear pump input shaft end is provided with a power transmission shaft, the power transmission shaft passes through a positioning with crescent gear pump input shaft
Device is connected, and the first connector is provided between positioner and the crescent gear pump input shaft；The power transmission shaft with
The support plate other end is provided with the second connector, and crescent gear pump is pressed to crescent gear pump by second connector
Pump cover end；A tachometer disc is provided with the power transmission shaft.
In a preferred embodiment of the present utility model, the positioner is a locating core.
In a preferred embodiment of the present utility model, crescent gear pump is provided with the clamp body and enters fuel-displaced
Corresponding enters oil outlet.
In a preferred embodiment of the present utility model, it is provided with the groove back side of the clamp body into fuel-displaced connection
Plate, it is described enter fuel-displaced gusset piece and the clamp body be provided with same position into oil outlet.
In a preferred embodiment of the present utility model, first connector is insertion coupling spindle, and the insertion connects
The power transmission shaft and crescent gear pump input shaft are fixed on same axial line by spindle together with locating core.
In a preferred embodiment of the present utility model, second connector is a ring flange, in the ring flange
On be symmetrically arranged with 4 mounting holes.
In a preferred embodiment of the present utility model, both sides are each provided with a guide plate in the middle part of the support plate.
In a preferred embodiment of the present utility model, a clamp screw is provided between the tachometer disc and power transmission shaft
Silk is fixed.
In a preferred embodiment of the present utility model, on the power transmission shaft, the support plate and the clamp body
Between be each provided with a clamping screw and be fixed.
The beneficial effects of the utility model are：A kind of crescent gear pump test fixture, sets at support plate two ends and presss from both sides
Crescent gear pump is fixed specific and power transmission shaft, and middle setting positioner is positioned, compact conformation, improve it is close
Sealing property；Clamp body and entering to be both provided with fuel-displaced gusset piece into oil outlet, be easy to the function of crescent gear pump can be just
Often running.
Brief description of the drawings
Fig. 1 is a kind of cross section view of crescent gear pump of the utility model；
Fig. 2 is a kind of elevation cross-sectional view of crescent gear pump test fixture of the utility model；
Fig. 3 is a kind of top plan view of crescent gear pump test fixture of the utility model；
Fig. 4 is a kind of right view of the clamp body of crescent gear pump test fixture of the utility model；
Fig. 5 is a kind of right view of the ring flange of crescent gear pump test fixture of the utility model；
Fig. 6 is a kind of structural representation of the clamping screw of crescent gear pump test fixture of the utility model；
Fig. 7 is a kind of structural representation of the insertion connecting shaft of crescent gear pump test fixture of the utility model；
Fig. 8 is a kind of structural representation for entering fuel-displaced coupling spindle of crescent gear pump test fixture of the utility model；
Fig. 9 is a kind of right view of the power transmission shaft of crescent gear pump test fixture of the utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to Fig. 1, what is provided in figure is a kind of crescent gear pump 100, and it is by pump case 110, pump cover 120, internal messing tooth
Wheel set 130, input shaft 140, bearing disk component, flange cap assemblies and rear case component are constituted.Pump case 110 is a heavy wall tubular structure
Part, its center is the cylindrical cavity of both ends open, and the barrel of pump case 110 is provided with oil inlet and oil-out, should be into and out of oil
Mouth connects the inner chamber of pump case 110.
Referring to Fig. 2 to Fig. 9, what is provided in figure is a kind of crescent gear pump test fixture 200, includes the supporting of L shapes
Plate 210, a guide plate 211 is each provided with the middle part both sides of support plate 210；In the one end of support plate 210, the fixture of one L shape is set
Body 220, a groove 221 is provided with the side of clamp body 220, and the pump cover 120 of crescent gear pump 100, which is corrected, is stuck in groove
In 221；A clamping screw 212 is provided between support plate 210 and clamp body 220 to be fixed.It is provided with clamp body 220
Crescent gear pump 100 turnover oil phase it is corresponding enter oil outlet 222,223, be easy to oil circuit normal pass；In the recessed of clamp body 220
The back side of groove 221 is provided with into fuel-displaced gusset piece 230, enters fuel-displaced gusset piece 230 and same position is provided with turnover with clamp body 220
Oilhole 231,232.
The end of 100 input shaft of crescent gear pump 140 is provided with a power transmission shaft 240, it is tight to be provided with one on power transmission shaft 240
Determine screw 241 to be fixed；A tachometer disc 250 is provided with power transmission shaft 240, is set between tachometer disc 250 and power transmission shaft 240
Another screw 251 is equipped with to be fixed.Power transmission shaft 240 passes through a positioner with the input shaft 140 of crescent gear pump 100
Connection, positioner is a locating core 260；Locating core 260 and the input shaft 140 of crescent gear pump 100 are provided with the first company
Fitting is fixed, and the first connector is insertion coupling spindle 270；Connecting shaft 270 is inserted together with locating core 260 by power transmission shaft
240 are fixed on same axial line with the input shaft 140 of crescent gear pump 100.The insertion right-hand member of coupling spindle 270 is provided with a boss
271, need at the recessed pawl of boss 271 to quench more than HRC45, to ensure the hardness for inserting coupling spindle 270, be unlikely at any time
Collapse the hazardous situation fallen.
Power transmission shaft 240 and the other end of support plate 210 are provided with the second connector, the second connector is a ring flange 280；
Ring flange 280 is easy to use, and can bear larger pressure so that the junction of power transmission shaft 240 is fixed and sealed；Ring flange
280 press to crescent gear pump 100 at the end of pump cover 120 of crescent gear pump 100.4 are symmetrically arranged with ring flange 280
Mounting hole 281, lower left is provided with a pair of counter sinks 282, and middle part is provided with a groove 283, is easy to preferably push down power transmission shaft
240, in case gap occur causes position error.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, the utility model can also on the premise of the utility model spirit and scope are not departed from
There are various changes and modifications, these changes and improvements are both fallen within the range of claimed the utility model.The utility model will
Protection domain is asked to be defined by appended claims and coordinate.
Claims (9)
1. a kind of crescent gear pump test fixture, including support plate, it is characterised in that set one in described support plate one end
Clamp body, a groove is provided with the clamp body side, and the pump cover of crescent gear pump, which is corrected, to be stuck in the groove；
Crescent gear pump input shaft end is provided with a power transmission shaft, and the power transmission shaft is filled with crescent gear pump input shaft by a positioning
Put and be provided with the first connector between connection, positioner and the crescent gear pump input shaft；In the power transmission shaft and institute
State the support plate other end and be provided with the second connector, crescent gear pump is pressed to crescent gear pump by second connector
Pump cover end；A tachometer disc is provided with the power transmission shaft.
2. a kind of crescent gear pump test fixture as claimed in claim 1, it is characterised in that the positioner is one
Locating core.
3. a kind of crescent gear pump test fixture as claimed in claim 1, it is characterised in that set on the clamp body
Be equipped with crescent gear pump turnover oil phase it is corresponding enter oil outlet.
4. a kind of crescent gear pump test fixture as claimed in claim 3, it is characterised in that in the recessed of the clamp body
The groove back side is provided with into fuel-displaced gusset piece, it is described enter fuel-displaced gusset piece be provided with the clamp body in same position into fuel-displaced
Hole.
5. a kind of crescent gear pump test fixture as claimed in claim 2, it is characterised in that first connector is
Coupling spindle is inserted, the power transmission shaft and crescent gear pump input shaft are fixed on together by the insertion connecting shaft together with locating core
On one axial line.
6. a kind of crescent gear pump test fixture as claimed in claim 1, it is characterised in that second connector is
One ring flange, is symmetrically arranged with 4 mounting holes on the ring flange.
7. a kind of crescent gear pump test fixture as claimed in claim 1, it is characterised in that in the middle part of the support plate
Both sides are each provided with a guide plate.
8. a kind of crescent gear pump test fixture as claimed in claim 1, it is characterised in that in the tachometer disc with passing
A screw is provided between moving axis to be fixed.
9. a kind of crescent gear pump test fixture as claimed in claim 1, it is characterised in that on the power transmission shaft,
A clamping screw is each provided between the support plate and the clamp body to be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720049117.8U CN206519872U (en) | 2017-01-03 | 2017-01-03 | A kind of crescent gear pump test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720049117.8U CN206519872U (en) | 2017-01-03 | 2017-01-03 | A kind of crescent gear pump test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206519872U true CN206519872U (en) | 2017-09-26 |
Family
ID=59889892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720049117.8U Expired - Fee Related CN206519872U (en) | 2017-01-03 | 2017-01-03 | A kind of crescent gear pump test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206519872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625339A (en) * | 2017-01-03 | 2017-05-10 | 湖南湘衡泵业有限责任公司 | Fixture for internal gear pump test |
-
2017
- 2017-01-03 CN CN201720049117.8U patent/CN206519872U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625339A (en) * | 2017-01-03 | 2017-05-10 | 湖南湘衡泵业有限责任公司 | Fixture for internal gear pump test |
| CN106625339B (en) * | 2017-01-03 | 2018-10-23 | 湖南湘衡泵业有限责任公司 | A kind of crescent gear pump test fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170926 Termination date: 20210103 |