CN106884785A - A kind of simulated dual pressure fuel pump detecting instrument - Google Patents
A kind of simulated dual pressure fuel pump detecting instrument Download PDFInfo
- Publication number
- CN106884785A CN106884785A CN201710207540.0A CN201710207540A CN106884785A CN 106884785 A CN106884785 A CN 106884785A CN 201710207540 A CN201710207540 A CN 201710207540A CN 106884785 A CN106884785 A CN 106884785A
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- CN
- China
- Prior art keywords
- pressure fuel
- fuel pump
- detecting instrument
- oil pump
- dual pressure
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to a kind of simulated dual pressure fuel pump detecting instrument, including frame, load carrier, balance weight mechanism, testing agency, positioning placement mechanism and increase mechanism, oil pump to be detected to being installed on positioning placement mechanism is pressurized, the bearing capacity of oil pump is passed up to testing agency and shows concrete numerical value, so as to carry out bearing capacity adjustment to it as requested；The bearing capacity of oil pump after testing transfer mechanism to load carrier, and drive it to move up, replacing balance weight mechanism can be carried out according to different oil pump specifications, booster body can be coordinated simultaneously to being detected oil pump bearing capacity more than the situation of balance weight mechanism to realize the Actual Simulation detection of accurate load-bearing, with live performance test be integrated in one for bearing capacity adjustment by the present invention, realize that the adjustment in production process to be detected with Actual Simulation complete simultaneously, while expanding detection range, shortening the production cycle.
Description
Technical field
The present invention relates to testing equipment technical field, more particularly to a kind of simulates oil pump actual working state and pressure fuel pump
The instrument of detection.
Background technology
A few days ago, it is the reliability of guarantee type pump load, its bearing capacity adjustment and live performance need to be tested, it is existing
Have in technology, be pressurized by oil pump, the piston rod of oil cylinder peaks at the supporting part position of pressure gauge lower end, is shown by pressure gauge
The pressure value that oil pump is presented, but there is fatigue strength in pressure gauge, cause its testing result to occur inclined during long-term use
Difference；In addition for live performance detection, in the prior art, usual oil pump hydraulic pressure product equipment is carried to standard counterweight,
Its live load-carrying properties is tested, however, when there is defective work in being tested in fact, then needing the object of anti-work will be into
Product equipment, extends the production cycle of product, so as to increase reprocess cost.
Chinese utility model patent application number：A kind of hydraulic carrier and its pressure inspection are disclosed in 201520166841.X
Survey the mounting assembly of device：A kind of pressure-detecting device mounting assembly suitable for hydraulic carrier, including pressure-detecting device,
Cylinder body with oil pocket and the piston rod for being movably connected on the oil pocket, the top that the longitudinal height of lifting is driven by the piston rod
Plate；The piston rod is hollow, the oil circuit that formation is connected with the oil pocket and with pressure-detecting device respectively；The pressure inspection
Survey device is relatively fixed and is connected to the top board, is carried through cylinder body, and the specific weight for being carried is shown by pressure-detecting device
Amount.
Chinese invention patent application number is：A kind of sleeve-type hydraulic cylinder large-size vertical is disclosed in 200910272147.5 to imitate
True pressure testing table, is to be provided with chute relatively on the pillar on two stands one side, and hydraulic cylinder trunnion support seat is provided with posts bottom；In cunning
Sliding block is provided with groove, the cross bar of mid-stent is provided with fixed pulley, fixed pulley also is provided with the cross bar of cantilever tip, and support is another
Hold the bottom of pillar to be placed with counterweight supporting pad, weights are equipped with counterweight supporting pad, counterweight supporting pad is provided with steel cable, steel
Rope bypasses two fixed pulleys and is fixed on sliding block；The pillar middle part for having chute is provided with the slip shoulder block for being through at chute；By counterweight
Counterweight mode tests the bearing capacity of oil cylinder.
Such scheme can carry out the Validity Test of its live bearing capacity for oil cylinder, wherein, Chinese utility model
Number of patent application：The mounting assembly of a kind of hydraulic carrier and its pressure-detecting device is disclosed in 201520166841.X, its
Mainly for the bearing capacity of quick detection off-the-shelf hardware, by its whole analysis of mechanism, its pressure detecting is set to pressure
Table, it is determined that being pressure gauge by having fatigue strength after long-term use, influences accuracy of detection；And Chinese invention patent application number
For：A kind of sleeve-type hydraulic cylinder large-size vertical emulation pressure testing table disclosed in 200910272147.5, its object is single
Hydraulic cylinder, can detect the live bearing capacity of hydraulic cylinder during hydraulic test is produced, but it is in detection process
Middle needs cause the inconvenience in detection process, in addition both the above according to the different counterweight of different hydraulic cylinder changings to be detected
Disclosed new technique scheme only just for the detection of hydraulic test bearing capacity, and for oil pump adjustment aspect can not
Enough to meet, its effect is single.
The content of the invention
The purpose of the present invention is directed to the deficiencies in the prior art part, there is provided a kind of simulated dual pressure fuel pump detector
Device, is pressurized by the oil pump to be detected being installed on positioning placement mechanism, and the bearing capacity of oil pump is passed up to detection
Mechanism shows concrete numerical value, so as to carry out bearing capacity adjustment to it as requested；The bearing capacity of oil pump transfer mechanism after testing
To load carrier, and it is driven to move up, can carry out replacing balance weight mechanism according to different oil pump specifications realizes accurate load-bearing
Actual Simulation is detected；With live performance test be integrated in one for bearing capacity adjustment by the present invention, realize adjustment in production process and
While Actual Simulation detection is completed simultaneously, the production cycle is shortened.
To achieve the above object, the present invention provides following technical scheme：
A kind of simulated dual pressure fuel pump detecting instrument, it is characterised in that including frame, load carrier, balance weight mechanism, inspection
Mechanism and positioning placement mechanism are surveyed, the load carrier is positioned over frame top and matches somebody with somebody to slide up and down mode with the both sides of frame
Close and install, its end is detachably configured with balance weight mechanism；The testing agency is fixedly connected with load carrier, is provided with below
Placement mechanism, is oil pump rest area to be detected between the testing agency and placement mechanism.
Used as improvement, the frame is planer type structure, and its both sides edge vertical direction offers gathering sill respectively, its top
Portion is provided with load carrier passage space moving up and down, and its inner horizontal is provided with the operation for fixing the placement mechanism
Platform.
Used as improvement, the load carrier includes being placed horizontally at the crossbeam and directive slide track of frame top, the guiding
Slide rail is installed through passage space with gathering sill corresponding matching, and the installing space of testing agency is formed between the directive slide track.
Wherein, the outside of the directive slide track is vertically provided with cooperation gathering sill and can slide up and down directive wheel,
Level is convexly equipped with an installing plate respectively for the inner side of the directive slide track, the directive slide track be mutually perpendicular to the crossbeam and one into
Type is set.
Used as improvement, the balance weight mechanism includes being symmetricly set in the balancing weight at the crossbeam two ends.
Used as improvement, the testing agency includes the sensor, adjustment component, the positioning group that are fixedly installed on crossbeam bottom surface
Part and be installed on display screen in frame and supporting with sensor, the adjustment component be arranged at sensor and positioning component it
Between, the display screen is with the sensor by electrically connecting.
Wherein, the adjustment component includes the steel for being connected to the regulating block below sensor and being fixedly connected with the regulating block
Ball；The positioning component includes that the locating dowel being adapted with the piston rod on oil pump to be detected and both ends are led with corresponding respectively
The baffle plate being fixedly connected to slide rail, the baffle plate top is set to tubular structure, and it is fixedly connected with steel ball cooperation, the gear
The two ends of plate are fixedly connected with corresponding installing plate respectively
Used as improvement, the positioning placement mechanism includes the fixed seat being fixedly installed on the operating desk and rotates to install
Abutment sleeve inside the fixed seat, the abutment sleeve, regulating block, steel ball are vertically matched somebody with somebody with locating dowel in coaxial
Put.
Used as improvement, also including being fixedly installed in the booster body of frame top, the booster body is included across described
Loading plate and be installed on this that supporting plate, the two ends of crossbeam both sides are connected with draw-in groove fit system and the supporting plate respectively
Plenum member on support base, the lower end part of the rotating boosting part is in the surface of the crossbeam.
The beneficial effects of the present invention are：
(1) present invention carries out adjustment by the restriction to bearing capacity to the oil pump in loaded state, being capable of standard gauge
The calibration procedures of model, evidence-based completion oil pump, wherein limit specified bearing capacity, can be by the phase of plenum member and balancing weight
Two kinds of different detection modes mutually are equipped with, when the reliability to one of which has been suspected, can be different by two kinds
Detection mode is contrasted, so as to ensure the reliability and accuracy of data.
(2) sensor included in the testing agency in the present invention is adjustable digital display sensor, and its performance is better than biography
The pressure gauge of system, directly can be read out, relative to pressure gauge during long-term use by digital display display screen to bearing capacity
The fatigue strength problem of appearance, and the problem of school zero required for pressure gauge, can avoid, while in reality completely in pressure sensor
Condition tests link, and pressure sensor coordinates balancing weight, can expand its detection range.
(3) in the present invention, the abutment sleeve in the locating dowel and placement mechanism in testing agency is provided simultaneously with to be checked
The positioning action of oil pump is surveyed, with reference to position positioning up and down to oil pump to be detected, the detection of axiality is further carried out to it,
The adjustment component in testing agency in this programme is preferably tubular draw-in groove fit system with sensor in addition, and cooperation steel ball can be fast
Speed realizes that centering is adjusted.
In sum, the present invention has the advantages that stable performance, detection are accurate, applied widely, can be in oil pump device
The detection to the properties of oil pump in time, is effectively solved in production process.
Brief description of the drawings
For the technical scheme of the clearer explanation embodiment of the present invention, below will be to be used needed for embodiment description
Accompanying drawing be briefly described, it should be apparent that, drawings discussed below is only some embodiments of the present invention, for ability
For the those of ordinary skill in domain, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings attached
Figure.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is integrally-built front view in the present invention；
Fig. 3 is rack construction schematic diagram in the present invention；
Fig. 4 is load carrier schematic diagram in the present invention；
Fig. 5 cuts open schematic diagram for integrated model center of the invention；
Fig. 6 is directive wheel and gathering sill cooperation schematic diagram in the present invention；
Fig. 7 is the overall structure diagram of the embodiment of the present invention two.
Specific embodiment
The technical scheme in the embodiment of the present invention is clearly and completely illustrated below in conjunction with the accompanying drawings.
Embodiment one
Embodiment is illustrated referring to the drawings, embodiments illustrated below is not to the invention described in claim
Content plays any restriction effect, in addition, the full content of the composition represented by example below is not limited to as claim institute
Necessary to the solution of the invention of record, wherein preferred technical scheme only as aiding in illustrating, be not limited to unique
Technical scheme.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention is described with simplified, must have specific orientation, Yi Te rather than the equipment or element for indicating or imply meaning
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that two or more,
Unless otherwise expressly limited specifically.
As illustrated, a kind of simulated dual pressure fuel pump detecting instrument, it is characterised in that including frame 1, load carrier 2,
Balance weight mechanism 3, testing agency 4 and positioning placement mechanism 5, the load carrier 2 are positioned over the top of frame 1 and with the two of frame 1
Side coordinates installation to slide up and down mode, and its end is detachably configured with balance weight mechanism 3；The testing agency 4 and load carrier 2
It is fixedly connected, placement mechanism 5 is provided with below, is that oil pump to be detected is placed between the testing agency 4 and placement mechanism 5
Area.
Further, the frame 1 is planer type structure, and its both sides edge vertical direction offers gathering sill 11 respectively,
Its top is provided with the passage space 12 moving up and down of load carrier 2, and its inner horizontal is provided with for fixing the placement machine
The operating desk 13 of structure 5, in the present embodiment, the passage space 12 is preferably the top center that it is located between the column of frame 1
Position.
Further, the load carrier 2 includes being placed horizontally at the crossbeam 21 and directive slide track 22 at the top of frame 1, institute
State directive slide track 22 to be installed with the corresponding matching of gathering sill 11 through passage space 12, testing agency is formed between the directive slide track 22
5 installing space.
Further, the outside of the directive slide track 22 is vertically provided with cooperation gathering sill 11 and can slide up and down
Directive wheel 221, level is convexly equipped with an installing plate 222 respectively for the inner side of the directive slide track 22, the directive slide track 22 with it is described
Crossbeam 21 is mutually perpendicular to and is integrally formed setting.
Further, the balance weight mechanism 3 includes being symmetricly set in the balancing weight 31 at the two ends of the crossbeam 21.
It should be noted that in the present embodiment, balancing weight 31 is preferably counterweight, between frame 1, crossbeam 21 and counterweight 31
Position relationship be preferably：The balancing weight 31 is symmetrically arranged on the two ends of crossbeam 21, and is symmetrically distributed in the both sides of frame 1.
Further, the testing agency 4 includes the sensor 41, the adjustment component that are fixedly installed on the bottom surface of crossbeam 21
42nd, positioning component 43 and display screen 44 in frame and supporting with sensor 41 is installed on, the adjustment component 42 is arranged at biography
Between sensor 41 and positioning component 43, the display screen 44 is with the sensor 41 by electrically connecting.
It should be noted that sensor 41 is with piezo-electric effect as principle：Sent out by mechanical force when along certain orientation
During the shape that changes, polarity effect is just generated；After mechanical force is removed, uncharged state can be come back to again, that is, receive
When to pressure, the effect of electricity is produced, manifested with the display screen 44 being connected on sensor 41.
Further, the adjustment component 42 include being connected to the regulating block 421 of the lower section of sensor 41 and with the regulating block
421 steel balls 422 being fixedly connected；The positioning component 43 includes the locating dowel being adapted with the piston rod on oil pump to be detected
431 and the baffle plate 432 that is fixedly connected with corresponding directive slide track 22 respectively of both ends, the top of baffle plate 432 is set to tubular knot
Structure, it is fixedly connected with the cooperation of the steel ball 422, and the two ends of the baffle plate 432 are fixed with corresponding installing plate 222 connect respectively
Connect.
It should be noted that locating dowel 431 and placement mechanism in abutment sleeve 62 be provided simultaneously with to oil pump to be detected
Positioning action, with reference to the position of oil pump to be detected positioning, the detection of axiality further being carried out to it up and down, exist in addition
Adjustment component in this programme in testing agency is preferably tubular draw-in groove fit system with sensor, coordinates steel ball 422 to realize
Quick centring is adjusted.
Further, the positioning placement mechanism 5 includes the fixed seat 51 being fixedly installed on the operating desk 13 and turns
The dynamic abutment sleeve 52 being installed on inside the fixed seat 51, the abutment sleeve 52, regulating block 421, steel ball 422 and locating dowel
431 is in vertically arranged coaxial.
The course of work is as follows：
Bearing capacity adjustment：Oil pump to be detected is vertically positioned in abutment sleeve 52, locating dowel 431 and positioning sleeve
Cylinder 52 is engaged and it is defined, and then oil pump to be detected is pressurized, and oil pump piston bar top locating dowel 431 is moved upwards
Dynamic, conductance to sensor 41 manifests concrete numerical value by display screen 44, after adjusting bearing capacity according to different product, carries out oil
The adjustment of pump.
Live performance detection：Oil pump to be detected is vertically positioned in abutment sleeve 52, locating dowel 431 with positioning
Sleeve 52 is engaged and it is defined, and then oil pump to be detected is pressurized, and oil pump piston bar top locating dowel 431 is moved upwards
Dynamic, conductance reaches crossbeam 21 through sensor 41, drives load carrier 2 and the entirety of balance weight mechanism 3 to move up, and carries out fact
Can detection.Specific requirement wherein according to surveyed oil pump need to coordinate corresponding balancing weight 31.
Embodiment two
As shown in fig. 7, wherein identical with embodiment one or corresponding part uses accompanying drawing mark corresponding with embodiment one
Note, for simplicity, hereafter only describes the distinctive points with embodiment one.The difference of the embodiment one shown in the embodiment two and figure
Part is：Also include being fixedly installed in the booster body 6 at the top of frame 1, the booster body 6 is included across the crossbeam 21
Loading plate 62 that the supporting plate 61, two ends of both sides is connected with draw-in groove fit system and the supporting plate 61 respectively and with can be upper and lower
Move mode is installed on the plenum member 63 on the loading plate 62, lower end part just the going up in the crossbeam 21 of the plenum member 61
Side.
It should be noted that plenum member 63 is preferably leading screw, miscellaneous loading plate 62 and the connection side of plenum member 63 in this programme
Formula is connected for rotation and lifting mode, for the present invention is in practical condition, so that the weight of balancing weight 31 is 0.7 ton as an example, and side
Two ends summation is 1.4 tons, and bestowing crossbeam 21 through the downward of booster body 6 is pressurized, and is capable of achieving to requiring that the oil pump that bearing capacity is 3 tons enters
The live performance test of row simulation.
The course of work is as follows：
Oil pump to be detected is vertically positioned in abutment sleeve 52, locating dowel 431 is engaged with abutment sleeve 52
It is defined, then oil pump to be detected is pressurized, oil pump piston bar top locating dowel 431 is moved up, conductance warp
Sensor 41 reaches crossbeam 21, drives load carrier 2 and the entirety of balance weight mechanism 3 to move up, when the weight of balancing weight 31 is less than
Needed for oil pump to be detected during bearing capacity, regulation plenum member 61 is moved down and peaked on crossbeam 21, it is born certain pushing down on
Power, then coordinate sensor 41, the bearing capacity of oil outlet pump current state is presented by display screen 44.
The above, only invention preferably specific embodiment, but protection scope of the present invention is not limited thereto, and appoints
What those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all
Should be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims
It is defined.
Claims (9)
1. a kind of simulated dual pressure fuel pump detecting instrument, it is characterised in that including frame (1), load carrier (2), counter weight machine
Structure (3), testing agency (4) and positioning placement mechanism (5), the load carrier (2) are positioned over frame (1) top and and frame
(1) both sides coordinate installation to slide up and down mode, and its end is detachably configured with balance weight mechanism (3)；The testing agency (4)
Be fixedly connected with load carrier (2), be provided with placement mechanism (5) below, the testing agency (4) and placement mechanism (5) it
Between be oil pump rest area to be detected.
2. a kind of simulated dual pressure fuel pump detecting instrument as claimed in claim 1, it is characterised in that the frame (1) is
Planer type structure, its both sides edge vertical direction offers gathering sill (11) respectively, and its top is provided with load carrier (2) can be upper and lower
Mobile passage space (12), its inner horizontal is provided with the operating desk (13) for fixing the placement mechanism (5).
3. a kind of simulated dual pressure fuel pump detecting instrument as claimed in claim 2, it is characterised in that the load carrier
(2) including the crossbeam (21) and directive slide track (22) that are placed horizontally at the top of frame (1), the directive slide track (22) is through current
Space (12) is installed with gathering sill (11) corresponding matching, and the installing space of testing agency (5) is formed between the directive slide track (22).
4. a kind of simulated dual pressure fuel pump detecting instrument as claimed in claim 3, it is characterised in that the directive slide track
(22) outside is vertically provided with cooperation gathering sill (11) and can slide up and down directive wheel (221), the directive slide track
(22) level is convexly equipped with an installing plate (222) respectively for inner side, and the directive slide track (22) is mutually perpendicular to the crossbeam (21)
And it is integrally formed setting.
5. a kind of simulated dual pressure fuel pump detecting instrument as claimed in claim 3, it is characterised in that the balance weight mechanism
(3) including being symmetricly set in the balancing weight (31) at the crossbeam (21) two ends.
6. a kind of simulated dual pressure fuel pump detecting instrument as claimed in claim 3, it is characterised in that the testing agency
(4) sensor (41), adjustment component (42), positioning component (43) and installation including being fixedly installed on crossbeam (21) bottom surface
In in frame and the display screen (44) supporting with sensor (41), the adjustment component (42) is arranged at sensor (41) and positioning group
Between part (43), the display screen (44) is with the sensor (41) by electrically connecting.
7. a kind of simulated dual pressure fuel pump detecting instrument as claimed in claim 6, it is characterised in that the adjustment component
(42) steel ball being fixedly connected including the regulating block (421) that is connected to below sensor (41) and with the regulating block (421)
(422)；The positioning component (43) includes the locating dowel (431) being adapted with the piston rod on oil pump to be detected and two end portions
The baffle plate (432) not being fixedly connected with corresponding directive slide track (22), baffle plate (432) top is set to tubular structure, its with
Steel ball (421) cooperation is fixedly connected, and the two ends of the baffle plate (432) are fixedly connected with corresponding installing plate (222) respectively.
8. a kind of simulated dual pressure fuel pump detecting instrument as claimed in claim 7, it is characterised in that the positioning places machine
It is internal that structure (5) is installed on the fixed seat (51) including the fixed seat (51) being fixedly installed on the operating desk (13) and rotation
Abutment sleeve (52), the abutment sleeve (52), regulating block (421), steel ball (422) are in vertically with locating dowel (431)
Arranged coaxial.
9. a kind of simulated dual pressure fuel pump detecting instrument as claimed in claim 3, it is characterised in that also including fixed installation
Booster body (6) at the top of frame (1), the booster body (6) includes the supporting plate across the crossbeam (21) both sides
(61) loading plate (62) that, two ends are connected with draw-in groove fit system and the supporting plate (61) respectively and that can move up and down
Mode is installed on the plenum member (63) on the loading plate (62), the lower end part of the plenum member (61) in the crossbeam (21) just
Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207540.0A CN106884785B (en) | 2017-03-31 | 2017-03-31 | A kind of simulation double-purpose pressure fuel pump detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207540.0A CN106884785B (en) | 2017-03-31 | 2017-03-31 | A kind of simulation double-purpose pressure fuel pump detecting instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106884785A true CN106884785A (en) | 2017-06-23 |
| CN106884785B CN106884785B (en) | 2018-10-12 |
Family
ID=59182675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710207540.0A Active CN106884785B (en) | 2017-03-31 | 2017-03-31 | A kind of simulation double-purpose pressure fuel pump detecting instrument |
Country Status (1)
| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6441685A (en) * | 1987-08-07 | 1989-02-13 | Toyoda Gosei Kk | Testing device for pump |
| CN200979513Y (en) * | 2006-11-30 | 2007-11-21 | 中国包装科研测试中心 | A fixed pressure tester |
| CN202531329U (en) * | 2012-05-07 | 2012-11-14 | 王永旺 | Detection device for oil pump |
| CN203441720U (en) * | 2013-04-15 | 2014-02-19 | 重庆德运模具制造有限公司 | Oil pump opening pressure detector |
| CN204556181U (en) * | 2015-05-08 | 2015-08-12 | 山东淄博电瓷厂有限公司 | A kind of suspended insulator pressure test device |
| CN206707986U (en) * | 2017-03-31 | 2017-12-05 | 长兴佰菲特机械有限公司 | A kind of simulated dual pressure fuel pump detecting instrument |
-
2017
- 2017-03-31 CN CN201710207540.0A patent/CN106884785B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6441685A (en) * | 1987-08-07 | 1989-02-13 | Toyoda Gosei Kk | Testing device for pump |
| CN200979513Y (en) * | 2006-11-30 | 2007-11-21 | 中国包装科研测试中心 | A fixed pressure tester |
| CN202531329U (en) * | 2012-05-07 | 2012-11-14 | 王永旺 | Detection device for oil pump |
| CN203441720U (en) * | 2013-04-15 | 2014-02-19 | 重庆德运模具制造有限公司 | Oil pump opening pressure detector |
| CN204556181U (en) * | 2015-05-08 | 2015-08-12 | 山东淄博电瓷厂有限公司 | A kind of suspended insulator pressure test device |
| CN206707986U (en) * | 2017-03-31 | 2017-12-05 | 长兴佰菲特机械有限公司 | A kind of simulated dual pressure fuel pump detecting instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106884785B (en) | 2018-10-12 |
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