CN206054273U - A kind of oil pump test fixture - Google Patents
A kind of oil pump test fixture Download PDFInfo
- Publication number
- CN206054273U CN206054273U CN201620738187.XU CN201620738187U CN206054273U CN 206054273 U CN206054273 U CN 206054273U CN 201620738187 U CN201620738187 U CN 201620738187U CN 206054273 U CN206054273 U CN 206054273U
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- CN
- China
- Prior art keywords
- oil pump
- base
- adpting flange
- test fixture
- pressing plate
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- 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.)
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
This utility model is related to oil pump test fixture, it is connected with oil pump to be measured, including the adpting flange of the step surface for being provided with arc, jointer, testing stand, base and pressing plate, the base is provided with step corresponding with the step surface, the adpting flange is fixed in base by the pushing of pressing plate, adpting flange step surface and the step offset constraint adpting flange vertical direction motion, one lateral base of the pressing plate is bent to form right-angle side, the both sides of base are respectively equipped with one section of chimb relative to adpting flange, the right-angle side and chimb offset constraint adpting flange horizontal direction motion, the rotating shaft of the oil pump to be measured is through in base and by jointer and testing stand.Have the beneficial effect that：Linkage editor, the burden of mitigation technique personnel are significantly simplify not only；And the concentricity of pump housing output shaft and experimental stand connecting shaft is also ensure that, improve test accuracy.
Description
Technical field
This utility model is related to oil pump test device, more particularly to a kind of oil pump test fixture.
Background technology
The base of existing oil pump test fixture directly supports the output shaft of oil pump to be measured, due to oil pump to be measured specification not
One, therefore the height of output shaft also differs, therefore base is generally used for the oil pump for coordinating height of output shaft minimum to adjust.
After oil pump to be measured is assembled by technical staff with fixture, the output shaft of oil pump to be measured can be easy with the concentricity of test-bed connecting shaft
Relatively large deviation is produced, if the drive system for implementing test pump body in this case can produce abrasion, product is affected
Energy.In order to avoid it is above-mentioned the occurrence of, technical staff has to carry out base padded, and padded base must first will be to be measured
Oil pump is removed, and otherwise can the output shaft of oil pump be caused to damage, therefore testing efficiency is very low, and the operation to technical staff is required
It is higher.
The content of the invention
It is an object of the invention to solve safety problem present in prior art, there is provided a kind of oil pump test fixture, tool
Body is realized by technical scheme below：
The oil pump test fixture, is connected with oil pump to be measured, including the adpting flange of the step surface for being provided with arc, engagement
Device, testing stand, base and pressing plate, the base are provided with step corresponding with the step surface, and the adpting flange is by pressure
The pushing of plate is fixed in base, adpting flange step surface and the step offset constraint adpting flange vertical direction motion,
One lateral base of the pressing plate is bent to form right-angle side, and the both sides of base are respectively equipped with one section of chimb relative to adpting flange,
The right-angle side and chimb offset constraint adpting flange horizontal direction motion, the output shaft of the oil pump to be measured is connected to company
Acting flange is simultaneously connected with testing stand input shaft by jointer.
The further design of the oil pump test fixture is that the jointer is connected with passive rotor transmission by power rotor
Composition is connect, passive rotor is connected in test-bed.
The further design of the oil pump test fixture is that two levers and two sets are provided with the housing of passive rotor
The limited block at a guide post two ends is connected on, the guide post is welded in housing and is connected to the lever, described each lever
One end be hingedly connected to the housing bottom of guide post both sides, and can rotate around its pin joint in the presence of correspondence limited block.
The further design of the oil pump test fixture is, the power rotor is in frustum, the small end of power rotor
Rotationally it is connected with the output shaft synchronous of oil pump to be measured, big end is provided with two raised contiguous blocks, pluggable in described
Being connected for power rotor and passive rotor is realized between two levers.
The further design of the oil pump test fixture is that the lever is provided with groove corresponding to the position of limited block.
The further design of the oil pump test fixture is that the limited block is in half cylinder, and the two ends of guide post are provided with
Screw thread, limited block realize positioning of the limited block on guide post axial direction by being rotatably connected in the nut at guide post two ends respectively, described
It is cambered surface corresponding with the half cylinder curved surface in groove.
The further design of the oil pump test fixture is that the pressing plate is provided with corresponding screw, pressing plate with base
It is adpting flange is affixed with base by wearing connecting bolt realization with base.
A kind of assembly method of oil pump test fixture is provided according to the oil pump test fixture, methods described includes following step
Suddenly：
1）According to the different various sizes of adpting flanges of oil pump die casting so that adpting flange center and adpting flange step
Face least significant end apart from h1, base step least significant end and base end face apart from h2And oil pump to be measured be in stationary state when axle
The heart meets following relation with base end face apart from h3：
h1+ h2= h3；
2）Corresponding adpting flange is chosen according to oil pump to be measured, first adpting flange is fixed with base, then by oil to be measured
The output shaft of pump is connected to adpting flange, then passes through jointer and is connected the output shaft of oil pump to be measured with test-bed, completes
The assembling of fixture.
The assembly method of oil pump test fixture is to connect the output shaft of oil pump to be measured with test-bed by jointer
In termination process, first two levers of passive rotor are strutted so that shaft is offseted with corresponding limited block respectively, then active is turned
The contiguous block of son inserts the connection that output shaft and test-bed are completed between two levers.
Advantages of the present invention：
The oil pump test fixture of the present invention, using in original base with the adpting flange of oil pump output shaft as may correspond to
The assembly parts that the different pump housings are changed, by the inconsistent step of pressing plate, the right-angle side of pressing plate itself and connection farad and base
The fixation in three directions of x, y, z is realized in face, and base can be fixed, and is only assembled adpting flange corresponding with the pump housing and can just be realized surveying
Building for examination fixture, not only significantly simplify linkage editor, the burden of mitigation technique personnel；And also ensure that the pump housing is exported
Axle and the concentricity of experimental stand connecting shaft, improve test accuracy.
Description of the drawings
Fig. 1 is the structural representation of oil pump test fixture of the present invention.
Fig. 2 is the fixture side view of the present invention.
Fig. 3 is the structural representation of passive rotor.
Fig. 4 is the structural representation of power rotor.
Specific embodiment
Such as Fig. 1, the oil pump test fixture of the present embodiment is connected with oil pump to be measured 1, mainly by the step surface 21 for being provided with arc
Adpting flange 2, jointer 3, testing stand 4, base 6 and pressing plate 5 are constituted.Base is provided with corresponding with above-mentioned step surface 21
Rank 61, adpting flange are fixed in base 6 by the pushing of pressing plate.Adpting flange step surface 21 and step 61 offset constraint connection method
The motion of blue vertical direction.One lateral base of pressing plate 5 is bent to form right-angle side 51.The both sides of base are relative to adpting flange
It is respectively equipped with one section of chimb 62.Right-angle side 51 and chimb 62 offset constraint adpting flange horizontal direction motion, oil pump to be measured
Rotating shaft be connected to adpting flange 2 and be connected with the input shaft of testing stand 4 by jointer 3.
Jointer 3 is connected with passive rotor 31 by power rotor 32 and is constituted.Passive rotor 31 is connected in test
Stand.
Such as Fig. 3, two levers 311 are provided with the housing 314 of passive rotor 31 and two are socketed in a guide post two ends
Limited block 312.. guide post 313 is welded in housing 314 and is connected to two levers 311.One end of each lever 311 leads to respectively
314 bottom of housing that screw 315 is articulated with 313 both sides of guide post is crossed, and can be around its pin joint in the presence of correspondence limited block
Rotate.Lever 311 is provided with groove corresponding to the position of limited block 312.
Further, in order to alleviate the grazing between lever body and limited block, limited block adopts the design of half cylinder.Guide post
Two ends be provided with screw thread, limited block realizes limited block on guide post axial direction by being rotatably connected in the nut at guide post two ends respectively
Positioning, is cambered surface corresponding with half cylinder curved surface in groove.
Such as Fig. 4, in frustum, the small end of power rotor is rotationally passed power rotor 32 with the output shaft synchronous of oil pump to be measured
Dynamic connection.Big end is provided with two raised contiguous blocks 321, pluggable that power rotor and passive rotor are realized between two levers
Be connected.
Pressing plate is provided with corresponding screw with base, and pressing plate is realized adpting flange and base by wearing connecting bolt with base
It is affixed.
By above-mentioned oil pump test fixture, the present embodiment provides a kind of assembly method of oil pump test fixture again, and method includes
Following steps：
1）According to the different various sizes of adpting flanges of oil pump die casting so that adpting flange center and adpting flange step
Face least significant end apart from h1, base step least significant end and base end face apart from h2And oil pump to be measured be in stationary state when axle
The heart meets following relation with base end face apart from h3：
h1+ h2= h3。
2）Corresponding adpting flange is chosen according to oil pump to be measured, first adpting flange is fixed with base, then by oil to be measured
The output shaft of pump is connected to adpting flange, then passes through jointer and is connected the output shaft of oil pump to be measured with test-bed, completes
The assembling of fixture.
By jointer by the output shaft of oil pump to be measured and test-bed connection procedure, first by the two of passive rotor
Lever is strutted so that shaft is offseted with corresponding limited block respectively, then will be completed between contiguous block two levers of insertion of power rotor
The connection of output shaft and test-bed.
The oil pump test fixture of the present embodiment and its assembly method, by the connection method in original base with oil pump output shaft
It is blue as may correspond to the assembly parts that the different pump housings are changed, by pressing plate, the right-angle side of pressing plate itself and connect farad and bottom
The inconsistent step surface of seat realizes the fixation in three directions of x, y, z, and base can be fixed, and only assembles connection method corresponding with the pump housing
Orchid can just realize building for test fixture, not only significantly simplify linkage editor, the burden of mitigation technique personnel；And
The concentricity of pump housing output shaft and experimental stand connecting shaft is ensure that, test accuracy is improve.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model not office
Be limited to this, any those familiar with the art the invention discloses technical scope in, according to of the present utility model
Technical scheme and its present inventive concept equivalent or change in addition, are all included within the scope of the present invention.
Claims (7)
1. a kind of oil pump test fixture, is connected with oil pump to be measured, it is characterised in that including the connection method of the step surface for being provided with arc
Orchid, jointer, testing stand, base and pressing plate, the base are provided with step corresponding with the step surface, the adpting flange
Base is fixed in by the pushing of pressing plate, adpting flange step surface and the step offset the vertical direction of constraint adpting flange
Motion, a lateral base of the pressing plate are bent to form right-angle side, and the both sides of base are respectively equipped with one section relative to adpting flange
Chimb, the right-angle side and chimb offset constraint adpting flange horizontal direction motion, the output shaft of the oil pump to be measured wears
It is connected to adpting flange and is connected with testing stand input shaft by jointer.
2. oil pump test fixture according to claim 1, it is characterised in that the jointer is turned with passive by power rotor
Son is connected composition, and passive rotor is connected in test-bed.
3. oil pump test fixture according to claim 2, it is characterised in that two levers are provided with the housing of passive rotor
With two limited blocks for being socketed in a guide post two ends, the guide post is welded in housing and is connected to the lever, described
One end of each lever is hingedly connected to the housing bottom of guide post both sides, and can be hinged around which in the presence of correspondence limited block
Point is rotated.
4. oil pump test fixture according to claim 3, it is characterised in that the power rotor is in frustum, power rotor
Small end be rotationally connected with the output shaft synchronous of oil pump to be measured, big end is provided with two raised contiguous blocks, pluggable
Being connected for power rotor and passive rotor is realized between two lever.
5. oil pump test fixture according to claim 3, it is characterised in that the lever is set corresponding to the position of limited block
It is fluted.
6. oil pump test fixture according to claim 5, it is characterised in that the limited block is in half cylinder, the two of guide post
End is provided with screw thread, and limited block realizes limited block determining on guide post axial direction by being rotatably connected in the nut at guide post two ends respectively
Position, is cambered surface corresponding with the half cylinder curved surface in the groove.
7. oil pump test fixture according to claim 1, it is characterised in that the pressing plate is provided with corresponding spiral shell with base
Hole, pressing plate are affixed with base by adpting flange by wearing connecting bolt realization with base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620738187.XU CN206054273U (en) | 2016-07-13 | 2016-07-13 | A kind of oil pump test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620738187.XU CN206054273U (en) | 2016-07-13 | 2016-07-13 | A kind of oil pump test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206054273U true CN206054273U (en) | 2017-03-29 |
Family
ID=58376199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620738187.XU Active CN206054273U (en) | 2016-07-13 | 2016-07-13 | A kind of oil pump test fixture |
Country Status (1)
| Country | Link |
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| CN (1) | CN206054273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151003A (en) * | 2016-07-13 | 2016-11-23 | 金湖县常盛动力机械配件有限公司 | A kind of oil pump test fixture and assembly method thereof |
-
2016
- 2016-07-13 CN CN201620738187.XU patent/CN206054273U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151003A (en) * | 2016-07-13 | 2016-11-23 | 金湖县常盛动力机械配件有限公司 | A kind of oil pump test fixture and assembly method thereof |
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