CN110608164A - Positive and negative pressure test equipment for fuel pump - Google Patents
Positive and negative pressure test equipment for fuel pump Download PDFInfo
- Publication number
- CN110608164A CN110608164A CN201911031159.9A CN201911031159A CN110608164A CN 110608164 A CN110608164 A CN 110608164A CN 201911031159 A CN201911031159 A CN 201911031159A CN 110608164 A CN110608164 A CN 110608164A
- Authority
- CN
- China
- Prior art keywords
- fuel pump
- pressure test
- negative pressure
- workbench
- positive
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 105
- 238000012360 testing method Methods 0.000 title claims abstract description 91
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000005086 pumping Methods 0.000 claims description 12
- 238000013522 software testing Methods 0.000 abstract description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
-
- 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
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
Abstract
The invention discloses positive and negative pressure test equipment for a fuel pump, which comprises a bottom frame, a workbench and a test part, wherein the bottom frame is a cuboid frame, the workbench is arranged at the top of the bottom frame, and the test part is arranged in the middle of the top surface of the workbench; the test part is including the installation station of waiting to examine the fuel pump of installation and the fixed part of fixed fuel pump, installation station both sides are provided with the shutoff respectively and wait to examine the shutoff detection portion of examining fuel pump oil inlet and oil-out, installation station top is provided with the connection the pump oil structure of shutoff detection portion. Has the advantages that: the fuel pump to be tested is placed on the fuel pump positioning part, and then the fuel pump positioning pins are pressed and positioned through the two fuel pump fixing structures, so that the fuel pump can be prevented from shaking, the fixing efficiency is high, and the operation is convenient and fast; through the cooperation of positive pressure test structure, negative pressure test structure and pump oil structure, can carry out the test of fuel pump malleation, negative pressure conveniently, improve efficiency of software testing.
Description
Technical Field
The invention relates to the technical field of automobile fuel pump detection, in particular to a fuel pump positive and negative pressure test device.
Background
The positive and negative pressure test is required before the current automobile and the pump leave a factory, and the quality of all products in the same batch is difficult to reflect due to the fact that the test is a sampling test. Therefore, when the fuel pump is assembled on an automobile, the performance of the fuel pump needs to be tested, and the main point of the test is positive and negative pressure detection. In the prior art, positive and negative pressure performance detection of the fuel pump needs manual work, and the detection efficiency is low.
Disclosure of Invention
The present invention is directed to provide a positive and negative pressure testing apparatus for a fuel pump to solve the above problems, and a preferred embodiment of the present invention includes: through carrying out automatic test to the malleation and the negative pressure of fuel pump, and through convenient and stable fixed, improved technical effect such as test efficiency of fuel pump, see the explanation below for details.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides positive and negative pressure test equipment for a fuel pump, which comprises a bottom frame, a workbench and a test part, wherein the bottom frame is a cuboid frame, the workbench is arranged at the top of the bottom frame, and the test part is arranged in the middle of the top surface of the workbench;
the testing part comprises an installation station for installing the fuel pump to be tested and a fixing part for fixing the fuel pump, plugging detection parts for plugging an oil inlet and an oil outlet of the fuel pump to be tested are respectively arranged on two sides of the installation station, and an oil pumping structure connected with the plugging detection parts is arranged above the installation station;
the plugging detection part is respectively arranged on the positive pressure test structure on the workbench on one side of the installation station and the negative pressure test structure on the workbench on the other side of the installation station, and the negative pressure test structure is communicated with the oil pumping structure through a pipeline.
Preferably, the mounting station comprises a fuel pump positioning part matched with a fuel pump and a slide rail arranged on the workbench, and the fuel pump positioning part can horizontally slide along the slide rail; be provided with the screens of cooperation fuel pump on the fuel pump, after this screens was gone into to the fuel pump card, the location foot of its bottom both sides meets bottom this screens, the slide rail both sides are provided with two fuel pump fixed knot respectively and construct.
Preferably, the fuel pump fixing structure comprises a fixed cylinder vertically arranged at the bottom of the workbench, the movable end of the fixed cylinder is vertically upward, a right-angle clamping and tripping part is arranged at the top of the movable end, the clamping and tripping part consists of a horizontal rod and a vertical rod, one end of the horizontal rod is connected with the top end of the vertical rod, and the other end of the horizontal rod is positioned above positioning feet at two sides of the fuel pump; wait to examine the fuel pump install in back on the fuel pump location portion, follow the slide rail slides to detecting the position after, vertical rod end is located directly over the location foot.
Preferably, the workbench is provided with an ejection structure for ejecting the positioning part of the fuel pump from the detection position to the original position, the ejection structure comprises an ejection cylinder and an ejector rod, and the ejection cylinder is fixedly arranged at the top of the workbench.
Preferably, a support is arranged at the bottom of the oil pumping structure and fixed to the top of the workbench.
Preferably, the positive pressure test structure comprises a positive pressure test cylinder and a positive pressure test joint, and the negative pressure test structure comprises a negative pressure test cylinder and a negative pressure test joint.
Preferably, the top of the chassis is provided with an upper shield, and the upper shield forms a semi-enclosed protective cover outside the testing part.
In conclusion, the beneficial effects of the invention are as follows: 1. the fuel pump to be tested is placed on the fuel pump positioning part, and then the fuel pump positioning pins are pressed and positioned through the two fuel pump fixing structures, so that the fuel pump can be prevented from shaking, the fixing efficiency is high, and the operation is convenient and fast;
2. through the cooperation of positive pressure test structure, negative pressure test structure and pump oil structure, can carry out the test of fuel pump malleation, negative pressure conveniently, improve efficiency of software testing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic left side view of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic perspective view of another embodiment of the present invention;
FIG. 5 is a schematic front view of the chassis and the testing part of the present invention;
fig. 6 is a schematic perspective view of fig. 5.
The reference numerals are explained below:
1. a chassis; 2. a work table; 3. a test section; 31. a fuel pump positioning portion; 32. a negative pressure test structure; 33. an oil pumping structure; 34. a support; 35. an ejection structure; 36. a positive pressure test structure; 37. a fuel pump fixing structure; 4. and an upper shield.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-6, the invention provides positive and negative pressure test equipment for a fuel pump, which comprises a chassis 1, a workbench 2 and a test part 3, wherein the chassis 1 is a cuboid frame, the workbench 2 is arranged at the top of the chassis 1, and the test part 3 is arranged in the middle of the top surface of the workbench 2; the testing part 3 comprises a mounting station for mounting the fuel pump to be tested and a fixing part for fixing the fuel pump, plugging detection parts for plugging an oil inlet and an oil outlet of the fuel pump to be tested are respectively arranged at two sides of the mounting station, and an oil pumping structure 33 connected with the plugging detection parts is arranged above the mounting station; the plugging detection part is respectively a positive pressure test structure 36 arranged on the workbench 2 at one side of the installation station and a negative pressure test structure 32 arranged on the workbench 2 at the other side of the installation station, and the negative pressure test structure 32 is communicated with the oil pumping structure 33 through a pipeline.
As an optional embodiment, the mounting station includes a fuel pump positioning portion 31 matched with the fuel pump and a slide rail arranged on the workbench 2, and the fuel pump positioning portion 31 can horizontally slide along the slide rail; a clamping position matched with the fuel pump is arranged on the fuel pump, after the fuel pump is clamped into the clamping position, positioning feet on two sides of the bottom of the fuel pump are connected with the bottom of the clamping position, and two fuel pump fixing structures 37 are respectively arranged on two sides of the slide rail; the fuel pump fixing structure 37 comprises a fixed cylinder vertically arranged at the bottom of the workbench 2, the movable end of the fixed cylinder is vertically upward, a right-angle clamping and tripping part is arranged at the top of the movable end, the clamping and tripping part consists of a horizontal rod and a vertical rod, one end of the horizontal rod is connected with the top end of the vertical rod, and the other end of the horizontal rod is positioned above positioning pins at two sides of the fuel pump; after the fuel pump to be detected is installed on the fuel pump positioning part 31 and slides to the detection position along the slide rail, the end part of the vertical rod is positioned right above the positioning foot;
the workbench 2 is provided with an ejection structure 35 for ejecting the fuel pump positioning part 31 from the detection position to the original position, the ejection structure 35 comprises an ejection cylinder and an ejector rod, and the ejection cylinder is fixedly arranged at the top of the workbench 2; the bottom of the oil pumping structure 33 is provided with a bracket 34, the bracket 34 is fixed with the top of the workbench 2, and the ejection structure 35 is positioned on the inner side of the bracket 34;
the positive pressure test structure 36 comprises a positive pressure test cylinder and a positive pressure test connector, the negative pressure test structure 32 comprises a negative pressure test cylinder and a negative pressure test connector, the positive pressure test connector is coaxial with an oil outlet of the fuel pump, and the negative pressure test connector is coaxial with an oil inlet of the fuel pump after the fuel pump positioning part 31 drives the fuel pump to slide to a detection position;
the top of chassis 1 is provided with guard shield 4, goes up guard shield 4 and forms the safety cover of semi-surrounding in the 3 outsides of test portion, goes up 4 tops of guard shield, both sides and back and all sets up the baffle, and openly no baffle to shelter from the protection to test portion 3.
By adopting the structure, after the fuel pump to be detected is clamped with the fuel pump positioning part 31, the fuel pump positioning frame is horizontally pushed to a designated position along the slide rail, then the fuel pump fixing structure 37 is controlled, the clamping trip part is driven to fall through the fixing air cylinder, the positioning feet at two sides of the fuel pump are pressed, the positive pressure test structure 36 and the negative pressure test structure 32 are controlled to act, the positive pressure test connector is driven to be butted with the oil outlet of the fuel pump through the positive pressure test air cylinder, the negative pressure test connector is driven to be butted with the oil inlet of the fuel pump through the negative pressure test air cylinder, the fuel pump is started during positive pressure test, and after the positive pressure test connector is connected through the oil pipe, the pressure in; during negative pressure test, the oil pumping structure 33 is opened, the inside of the fuel pump is pressurized through the pipeline and the negative pressure test connector, and at the moment, the pressure inside the pipeline or the negative pressure test connector is detected, namely the negative pressure of the fuel pump; after the fuel pump test is finished, the ejection structure 35 is controlled to act, and the fuel pump positioning part 31 is ejected to the original position, so that the test process can be finished;
the fuel pump to be tested is placed on the fuel pump positioning part 31, and then the fuel pump positioning pins are pressed and positioned through the two fuel pump fixing structures 37, so that the fuel pump can be prevented from shaking, the fixing efficiency is high, and the operation is convenient and fast; through the cooperation of the positive pressure test structure 36, the negative pressure test structure 32 and the oil pumping structure 33, the positive pressure and the negative pressure of the fuel pump can be conveniently tested, and the test efficiency is improved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. The positive and negative pressure test equipment for the fuel pump is characterized by comprising a chassis (1), a workbench (2) and a test part (3), wherein the chassis (1) is a cuboid frame, the workbench (2) is arranged at the top of the chassis (1), and the test part (3) is arranged in the middle of the top surface of the workbench (2);
the testing part (3) comprises an installation station for installing the fuel pump to be tested and a fixing part for fixing the fuel pump, plugging detection parts for plugging an oil inlet and an oil outlet of the fuel pump to be tested are respectively arranged on two sides of the installation station, and an oil pumping structure (33) connected with the plugging detection parts is arranged above the installation station;
the plugging detection part is respectively arranged on a positive pressure test structure (36) on the workbench (2) on one side of the installation station and a negative pressure test structure (32) on the workbench (2) on the other side of the installation station, and the negative pressure test structure (32) is communicated with the oil pumping structure (33) through a pipeline.
2. The fuel pump positive and negative pressure test apparatus of claim 1, wherein: the mounting station comprises a fuel pump positioning part (31) matched with a fuel pump and a slide rail arranged on the workbench (2), and the fuel pump positioning part (31) can horizontally slide along the slide rail; be provided with the screens of cooperation fuel pump on the fuel pump, after this screens was gone into to the fuel pump card, the location foot of its bottom both sides meets with this screens bottom, the slide rail both sides are provided with two fuel pump fixed knot and construct (37) respectively.
3. The fuel pump positive and negative pressure test apparatus of claim 2, wherein: the fuel pump fixing structure (37) comprises a fixed cylinder vertically arranged at the bottom of the workbench (2), the movable end of the fixed cylinder is vertically upward, a right-angle clamping and tripping part is arranged at the top of the movable end, the clamping and tripping part consists of a horizontal rod and a vertical rod, one end of the horizontal rod is connected with the top end of the vertical rod, and the other end of the horizontal rod is positioned above positioning pins at two sides of the fuel pump; wait to examine the fuel pump install in back on fuel pump location portion (31), follow the slide rail slides to detecting the position after, vertical rod end is located directly over the location foot.
4. The fuel pump positive and negative pressure test apparatus of claim 3, wherein: the fuel pump positioning part (31) is ejected to the original position from the detection position by an ejection structure (35) arranged on the workbench (2), the ejection structure (35) comprises an ejection cylinder and an ejector rod, and the ejection cylinder is fixedly arranged at the top of the workbench (2).
5. The fuel pump positive and negative pressure test apparatus of claim 1, wherein: the bottom of the oil pumping structure (33) is provided with a support (34), and the support (34) is fixed with the top of the workbench (2).
6. The fuel pump positive and negative pressure test apparatus of claim 1, wherein: the positive pressure test structure (36) comprises a positive pressure test cylinder and a positive pressure test joint, and the negative pressure test structure (32) comprises a negative pressure test cylinder and a negative pressure test joint.
7. The fuel pump positive and negative pressure test apparatus of claim 1, wherein: chassis (1) top is provided with upper shield (4), upper shield (4) are in test portion (3) outside forms the safety cover of semi-encirclement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911031159.9A CN110608164A (en) | 2019-10-28 | 2019-10-28 | Positive and negative pressure test equipment for fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911031159.9A CN110608164A (en) | 2019-10-28 | 2019-10-28 | Positive and negative pressure test equipment for fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110608164A true CN110608164A (en) | 2019-12-24 |
Family
ID=68895272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911031159.9A Pending CN110608164A (en) | 2019-10-28 | 2019-10-28 | Positive and negative pressure test equipment for fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110608164A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696300A (en) * | 2020-12-11 | 2021-04-23 | 安徽宝隽机车部件有限公司 | Negative pressure-based electric injection fuel pump detection system |
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| CN106968928A (en) * | 2017-03-31 | 2017-07-21 | 中国重型机械研究院股份公司 | One kind takes out yellow irrigation pumping station clear water vacuum detecting and control system and detection method |
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| CN208520899U (en) * | 2018-06-26 | 2019-02-19 | 红河迪信科技有限公司 | Pressing device is used in a kind of test of electronics mainboard |
| CN208763871U (en) * | 2018-09-04 | 2019-04-19 | 阜新德尔汽车部件股份有限公司 | Oil fuel pump performance Detecting data |
| JP2019163752A (en) * | 2018-03-20 | 2019-09-26 | 三菱電機株式会社 | Inspection device and inspection method of fuel pump |
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2019
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| CN202149016U (en) * | 2011-06-07 | 2012-02-22 | 上海世德子汽车零部件有限公司 | Testing device of electric fuel pump |
| CN203394726U (en) * | 2013-06-14 | 2014-01-15 | 上海沪东造船油嘴油泵有限公司 | Oil return testing equipment for fuel pump |
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| CN112696300A (en) * | 2020-12-11 | 2021-04-23 | 安徽宝隽机车部件有限公司 | Negative pressure-based electric injection fuel pump detection system |
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