CN109932167A - HXN5B locomotive fuel injector testing stand fixture - Google Patents
HXN5B locomotive fuel injector testing stand fixture Download PDFInfo
- Publication number
- CN109932167A CN109932167A CN201910245506.1A CN201910245506A CN109932167A CN 109932167 A CN109932167 A CN 109932167A CN 201910245506 A CN201910245506 A CN 201910245506A CN 109932167 A CN109932167 A CN 109932167A
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- China
- Prior art keywords
- fuel injector
- piston rod
- movable clip
- clip block
- testing stand
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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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- 239000000446 fuel Substances 0.000 title claims abstract description 112
- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 11
- 239000003921 oil Substances 0.000 description 10
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000346 nonvolatile oil Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The present invention relates to a kind of HXN5B locomotive fuel injector testing stand fixtures.Including testing stand, composite hydraulic cylinder, first movable clip block, second movable clip block, guide post, fixed briquetting, composite hydraulic cylinder is mounted on the panel of testing stand, the piston rod of composite hydraulic cylinder includes outer piston bar and inner piston rod, one end of guide post is fixed on panel, fixed briquetting is fixed on the other end of guide post, first movable clip block, second movable clip block is separately positioned between two guide posts, oil inlet duct is provided in inner piston rod, the oil inlet duct of high pressure fuel pipeline access inner piston rod, high pressure fuel enters fuel injector by the high pressure fuel interface that inner piston rod stretches out compression sealing fuel injector；Outer piston bar protrudes through the first movable clip block, the second movable clip block, guide post and fixed briquetting and is fixed fuel injector, to realize the quick-clamping of HXN5B locomotive fuel injector.The present invention realizes the quick clamping of fuel injector, time saving and energy saving, operation is convenient, securely and reliably.
Description
Technical field
The present invention relates to fuel injector for internal combustion engines technical field, specifically a kind of HXN5B locomotive fuel injector testing stand fixture.
Background technique
Injector clamp used in HXN5B locomotive fuel injector testing stand is all made of threaded connection at present, and implementing method is will
High pressure fuel supply close nipple is screwed into high pressure fuel pipe fitting on HXN5B locomotive fuel injector, and high pressure fuel pipe fitting passes through
Injection line is connect with high pressure fuel feedway, and connection completes HXN5B locomotive fuel injector and is placed into the collection of fuel injector smog
On fixation bracket on device, start to test.
The prior art is tested every time all must dismount pipe fitting with spanner, and needs the cooperation of the tools such as bench vice that could complete pipe and connect
The dismounting of head, operating efficiency is lower, is not suitable for the test of batch fuel injector, is in addition threadedly coupled and needs to tighten according to certain torque
Pipe fitting, the torque leakage less than normal that will cause test pipeline, torque is bigger than normal to will cause thread damage, and influence fuel injector uses the longevity
Life, brings very big inconvenience to operator.
Summary of the invention
Present invention seek to address that the above problem, to provide a kind of time saving and energy saving, convenient and fast HXN5B locomotive fuel injector of operation
Testing stand fixture.
The present invention solves described problem, the technical solution adopted is that:
A kind of HXN5B locomotive fuel injector testing stand fixture, including testing stand, composite hydraulic cylinder, the first movable clip block, the second activity
Fixture block, guide post, fixed briquetting, composite hydraulic cylinder are mounted on the enclosure interior on the panel of testing stand and being placed in testing stand,
The through-hole being provided on the panel of testing stand outside the piston rod extending panel for composite hydraulic cylinder, the piston rod of composite hydraulic cylinder
Including outer piston bar and inner piston rod, outside inner piston rod, one end of guide post is fixed on panel outer piston rod set, Gu
Level pressure block is fixed on the other end of guide post, and the first movable clip block, the second movable clip block are separately positioned between two guide posts
And it can be slided along guide post, oil inlet duct is provided in inner piston rod, high pressure fuel pipeline is inscribed from the shell of testing stand
Enter the oil inlet duct of inner piston rod, high pressure fuel stretches out the high pressure fuel interface entrance for compressing sealing fuel injector by inner piston rod
Fuel injector；Outer piston bar protrudes through the first movable clip block, the second movable clip block, guide post and fixed briquetting and is fixed oil spout
Device, to realize the quick-clamping of HXN5B locomotive fuel injector.
The present invention by adopting the above technical scheme, compared with prior art, the feature protruded is:
1. using hydraulic lock, efficient and convenient, inside and outside double piston-rod, inner piston rod compresses test high pressure fuel interface, outer piston
Bar is fixed fuel injector, and fuel injector not will cause the loosening of fuel pipe interface because vibrating caused by injection, securely and reliably,
2. realizing the quick clamping of fuel injector, spanner dismounting pipe fitting is avoided, the labor intensity of fuel injector test is reduced,
The compressing structure of double piston-rod realizes that independent fuel oil interface compresses and fuel injector is fixed and clamped inside and outside composite hydraulic cylinder, so that spray
Oily device high pressure fuel sealing joint is relatively reliable.
Preferably, the further technical solution of the present invention is:
Oil inlet duct one end of inner piston rod connects high pressure fuel pipeline, the other end and fuel injector in the oil inlet duct of inner piston rod
High pressure fuel interface be connected, complete fuel injector and high pressure fuel pipeline connection；Outer piston rod set is mounted in inner piston rod
Outside, self contained function are completed fuel injector and are fixed, between panel and outer piston bar, between outer piston bar and inner piston rod
It is provided with sealing ring.
The both ends of first movable clip block and the second movable clip block be respectively arranged with guide post cooperation arc chute, first
Movable clip block and the opposite one end of the second movable clip block are respectively arranged with the groove being adapted with fuel injector, and structure is simple, and installation is torn open
It unloads conveniently.
It is provided with the supporting plate for positioning fuel injector on the lower end surface of second movable clip block, is provided on supporting plate and fuel injector
Adaptable card slot, during stepping up, fuel injector is placed on card slot, easily realizes the positioning up and down of fuel injector.
Gasket is provided between inner piston rod and the high pressure fuel interface of fuel injector.
The extension end of inner piston rod is provided with gasket mounting groove, and gasket is mounted in gasket mounting groove.
The other end of guide post is provided with Step Shaft and is provided with external screw thread, the both ends of fixed briquetting be respectively arranged with
The mounting hole of the Step Shaft cooperation of guide post, fixed briquetting are sleeved on the other end of two guide posts by mounting hole and pass through
Nut is fixed.
Detailed description of the invention
Fig. 1 is schematic perspective view of the embodiment of the present invention；
Fig. 2 is that the embodiment of the present invention overlooks half section structure diagram；
Fig. 3 is schematic view of the front view of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram that the second movable clip block of the embodiment of the present invention is connect with supporting plate；
Fig. 5 is the second movable clip block of the embodiment of the present invention, supporting plate and fuel injector mounting structure schematic diagram；
In figure: fuel injector 1；First movable clip block 2；Second movable clip block 3；Composite hydraulic cylinder 4；First inner piston hydraulic cylinder hydraulic fluid port
4-1；Second inner piston hydraulic cylinder hydraulic fluid port 4-2；First outer piston hydraulic cylinder hydraulic fluid port 4-3；Second outer piston hydraulic cylinder hydraulic fluid port 4-4；
Panel 5；Groove 6；Fixed briquetting 7；Nut 8；Outer piston bar 9；Inner piston rod 10；Gasket 11；Guide post 12；Sealing ring 13；
Oil inlet duct 14；Supporting plate 15；Card slot 16.
Specific embodiment:
Below with reference to embodiment, the invention will be further described, and purpose, which is only that, more fully understands the content of present invention, therefore, institute
The example of act is not intended to limit protection scope of the present invention.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of HXN5B locomotive fuel injector testing stand fixture, including it is testing stand, compound
Hydraulic cylinder 4, the first movable clip block 2, the second movable clip block 3, guide post 12, fixed briquetting 7, composite hydraulic cylinder 4 are mounted on test
On the panel 5 of platform and it is placed in the enclosure interior of testing stand, the work for composite hydraulic cylinder 4 is provided on the panel 5 of testing stand
Through-hole outside stopper rod extending panel 5, the piston rod of composite hydraulic cylinder 4 include outer piston bar 9 and inner piston rod 10, outer piston bar 9
It is sleeved on outside inner piston rod 10, one end of guide post 12 is fixed on panel 5, and fixed briquetting 7 is fixed on the another of guide post 12
One end, the first movable clip block 2, the second movable clip block 3 are separately positioned between two guide posts 12 and can be along guide posts 12
It slides, is provided with oil inlet duct 14 in inner piston rod 9, high pressure fuel pipeline accesses inner piston rod 9 out of testing stand shell
Oil inlet duct 14, high pressure fuel enter fuel injector 1 by the high pressure fuel interface that inner piston rod 9 stretches out compression sealing fuel injector 1；
Outer piston bar 10 protrudes through the first movable clip block 2, the second movable clip block 3, guide post 12 and fixed briquetting 7 and is fixed oil spout
Device 1, to realize the quick-clamping of fuel injector 1.
14 one end of oil inlet duct of inner piston rod 9 connects high pressure fuel pipeline, the oil inlet duct 14 of inner piston rod 9 it is another
End is connected with the high pressure fuel interface of fuel injector 1, completes the connection of fuel injector 1 and high pressure fuel pipeline；10 sets of outer piston bar
Mounted in the outside of inner piston rod 9, self contained function is completed fuel injector 1 and is fixed, between panel 5 and outer piston bar 10, outer work
Sealing ring 13 is provided between stopper rod 10 and inner piston rod 9.
The both ends of first movable clip block 2 and the second movable clip block 3 are respectively arranged with the arc chute cooperated with guide post 12,
First movable clip block 2 and the opposite one end of the second movable clip block 3 are respectively arranged with the groove 6 being adapted with fuel injector 1, structure letter
It is single, it is easy for assemble or unload.
The supporting plate 15 for positioning fuel injector 1 is provided on the lower end surface of second movable clip block 3, be provided on supporting plate 15 with
The adaptable card slot 16 of fuel injector 1, during stepping up, fuel injector 1 is placed on card slot 16, easily realizes the upper of fuel injector 1
Lower positioning.
Gasket 11 is provided between inner piston rod 9 and the high pressure fuel interface of fuel injector 1.
The extension end of inner piston rod 9 is provided with gasket mounting groove, and gasket 11 is mounted in gasket mounting groove.
The other end of guide post 12 is provided with Step Shaft and is provided with external screw thread, and the both ends of fixed briquetting 7 are respectively set
There is the mounting hole with the cooperation of the Step Shaft of guide post 12, fixed briquetting 7 is sleeved on the another of two guide posts 12 by mounting hole
It holds and fixed by nut 8.
The first inner piston hydraulic cylinder hydraulic fluid port 4-1, the second inner piston hydraulic cylinder are respectively arranged on the cylinder body of composite hydraulic cylinder 4
Hydraulic fluid port 4-2, the first outer piston hydraulic cylinder hydraulic fluid port 4-3 and the second outer piston hydraulic cylinder hydraulic fluid port 4-4, by with hydraulic supply unit
Fluid pressure line connection, hydraulic control inner piston rod 9 and outer piston bar 10 are flexible.
In use, the inner piston rod 9 and outer piston bar 10 of composite hydraulic cylinder 4 retract, the first movable clip block 2 and the second activity
Fixture block 3 is in free state, and fuel injector 1 is put between the first movable clip block 2 and the second movable clip block 3, the second movable clip block 3
On supporting plate 15 hold fuel injector 1, push the second movable clip block 3 mobile to piston rod direction manually, make the insertion spray of inner piston rod 9
In the high pressure fuel interface of oily device 1, it is living to outside the first inner piston hydraulic cylinder hydraulic fluid port 4-1, first to start high-pressure and hydraulic feedway
Hydraulic cylinder hydraulic fluid port 4-3 fuel feeding is filled in, inner piston rod 9 and outer piston bar 10 stretch out, and inner piston rod 9 realizes oil inlet by compressing gasket
The connection in duct 14 and fuel injector 1, outer piston bar 10 compresses the first movable clip block 2, the second movable clip block 3 realizes fuel injector 1
Be reliably fixed, then can commencement of fuel injection device 1 correlation test.
The present invention uses hydraulic lock, efficient and convenient, inside and outside double piston-rod, and inner piston rod 9 compresses test high pressure fuel and connects
Mouthful, outer piston bar 10 is fixed fuel injector 1, and fuel injector 1 not will cause the pine of fuel pipe interface because vibrating caused by injection
It is dynamic, it is time saving and energy saving, operation is convenient, securely and reliably, realizes the quick clamping of fuel injector 1, avoid spanner dismounting pipe fitting, drop
The labor intensity that low fuel injector 1 is tested, the compressing structure of the inside and outside double piston-rod of composite hydraulic cylinder 4 realize that independent fuel oil connects
Mouth compression is fixed and clamped with fuel injector 1, so that the high pressure fuel sealing joint of fuel injector 1 is relatively reliable.
The foregoing is merely preferably feasible embodiment of the invention, not thereby limiting the scope of the invention,
It is all to use equivalence changes made by description of the invention and its accompanying drawing content, it is intended to be included within the scope of the present invention.
Claims (7)
1. a kind of HXN5B locomotive fuel injector testing stand fixture, including testing stand, composite hydraulic cylinder, the first movable clip block, the second work
Dynamic fixture block, guide post, fixed briquetting, it is characterised in that: composite hydraulic cylinder is mounted on the panel of testing stand and is placed in test
The enclosure interior of platform, the through-hole being provided on the panel of testing stand outside the piston rod extending panel for composite hydraulic cylinder are compound
The piston rod of hydraulic cylinder includes outer piston bar and inner piston rod, and outer piston rod set is outside inner piston rod, one end of guide post
It is fixed on panel, fixed briquetting is fixed on the other end of guide post, and the first movable clip block, the second movable clip block are separately positioned on
It can slide between two guide posts and along guide post, be provided with oil inlet duct in inner piston rod, high pressure fuel pipeline is from examination
The oil inlet duct of access inner piston rod in the shell of platform is tested, high pressure fuel stretches out the height for compressing sealing fuel injector by inner piston rod
Compression ignition oil interface enters fuel injector；Outer piston bar protrudes through the first movable clip block, the second movable clip block, guide post and fixed pressure
Block is fixed fuel injector, to realize the quick-clamping of HXN5B locomotive fuel injector.
2. HXN5B locomotive fuel injector testing stand fixture according to claim 1, it is characterised in that: the oil inlet of inner piston rod
Duct one end connects high pressure fuel pipeline, and the other end in the oil inlet duct of inner piston rod is connected with the high pressure fuel interface of fuel injector
It connects, completes the connection of fuel injector and high pressure fuel pipeline；Outer piston rod set is mounted in the outside of inner piston rod, and self contained function completes spray
Oily device is fixed, and is provided with sealing ring between panel and outer piston bar, between outer piston bar and inner piston rod.
3. HXN5B locomotive fuel injector testing stand fixture according to claim 1, it is characterised in that: the first movable clip block and
The both ends of second movable clip block are respectively arranged with the arc chute with guide post cooperation, the first movable clip block and the second movable clip block
Opposite one end is respectively arranged with the groove being adapted with fuel injector.
4. HXN5B locomotive fuel injector testing stand fixture according to claim 1, it is characterised in that: the second movable clip block
It is provided with the supporting plate for positioning fuel injector on lower end surface, the card slot being adapted with fuel injector is provided on supporting plate.
5. HXN5B locomotive fuel injector testing stand fixture according to claim 1, it is characterised in that: inner piston rod and oil spout
Gasket is provided between the high pressure fuel interface of device.
6. HXN5B locomotive fuel injector testing stand fixture according to claim 5, it is characterised in that: the stretching of inner piston rod
End is provided with gasket mounting groove, and gasket is mounted in gasket mounting groove.
7. HXN5B locomotive fuel injector testing stand fixture according to claim 1, it is characterised in that: the other end of guide post
It is provided with Step Shaft and is provided with external screw thread, the both ends of fixed briquetting are respectively arranged with the peace with the cooperation of the Step Shaft of guide post
Hole is filled, fixed briquetting is sleeved on the other end of two guide posts by mounting hole and fixes by nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910245506.1A CN109932167A (en) | 2019-03-28 | 2019-03-28 | HXN5B locomotive fuel injector testing stand fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910245506.1A CN109932167A (en) | 2019-03-28 | 2019-03-28 | HXN5B locomotive fuel injector testing stand fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109932167A true CN109932167A (en) | 2019-06-25 |
Family
ID=66988666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910245506.1A Pending CN109932167A (en) | 2019-03-28 | 2019-03-28 | HXN5B locomotive fuel injector testing stand fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109932167A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042144A (en) * | 2011-01-11 | 2011-05-04 | 中国人民解放军理工大学工程兵工程学院 | Self-adaptive floating clamping device for engine fuel injector testing stand |
| CN203650351U (en) * | 2014-01-22 | 2014-06-18 | 宁波瑞福机械科技有限公司 | Clamping device for detecting automobile fuel spray nozzle |
| CN104454275A (en) * | 2014-12-22 | 2015-03-25 | 常州博瑞油泵油嘴有限公司 | Synchronous oil supply and hold-down device for detecting high-pressure common-rail oil sprayer online and application method thereof |
| CN207333079U (en) * | 2017-10-10 | 2018-05-08 | 中国第一汽车股份有限公司 | Common-rail injector performance test stand automatic fixture |
| CN108180096A (en) * | 2017-12-08 | 2018-06-19 | 中国北方发动机研究所(天津) | A kind of laboratory side oil inlet fuel injector oil feeding device |
| CN109333401A (en) * | 2018-10-31 | 2019-02-15 | 安徽江淮汽车集团股份有限公司 | A kind of oil sprayer clamping mechanism for development experiments of burning |
| CN209570336U (en) * | 2019-03-28 | 2019-11-01 | 唐山百川智能机器股份有限公司 | HXN5B locomotive fuel injector testing stand fixture |
-
2019
- 2019-03-28 CN CN201910245506.1A patent/CN109932167A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042144A (en) * | 2011-01-11 | 2011-05-04 | 中国人民解放军理工大学工程兵工程学院 | Self-adaptive floating clamping device for engine fuel injector testing stand |
| CN203650351U (en) * | 2014-01-22 | 2014-06-18 | 宁波瑞福机械科技有限公司 | Clamping device for detecting automobile fuel spray nozzle |
| CN104454275A (en) * | 2014-12-22 | 2015-03-25 | 常州博瑞油泵油嘴有限公司 | Synchronous oil supply and hold-down device for detecting high-pressure common-rail oil sprayer online and application method thereof |
| CN207333079U (en) * | 2017-10-10 | 2018-05-08 | 中国第一汽车股份有限公司 | Common-rail injector performance test stand automatic fixture |
| CN108180096A (en) * | 2017-12-08 | 2018-06-19 | 中国北方发动机研究所(天津) | A kind of laboratory side oil inlet fuel injector oil feeding device |
| CN109333401A (en) * | 2018-10-31 | 2019-02-15 | 安徽江淮汽车集团股份有限公司 | A kind of oil sprayer clamping mechanism for development experiments of burning |
| CN209570336U (en) * | 2019-03-28 | 2019-11-01 | 唐山百川智能机器股份有限公司 | HXN5B locomotive fuel injector testing stand fixture |
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