CN209570336U - HXN5B locomotive fuel injector testing stand fixture - Google Patents
HXN5B locomotive fuel injector testing stand fixture Download PDFInfo
- Publication number
- CN209570336U CN209570336U CN201920409496.6U CN201920409496U CN209570336U CN 209570336 U CN209570336 U CN 209570336U CN 201920409496 U CN201920409496 U CN 201920409496U CN 209570336 U CN209570336 U CN 209570336U
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- China
- Prior art keywords
- fuel injector
- piston rod
- movable clip
- clip block
- testing stand
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Abstract
The utility model 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 utility model realizes the quick clamping of fuel injector, time saving and energy saving, operation is convenient, securely and reliably.
Description
Technical field
The utility model relates to fuel injector for internal combustion engines technical field, specifically a kind of HXN5B locomotive fuel injector testing stand folder
Tool.
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.
Utility model content
The utility model aims to solve the problem that the above problem, to provide a kind of time saving and energy saving, convenient and fast HXN5B locomotive spray of operation
Oily device testing stand fixture.
The utility model 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, second
Movable clip block, guide post, fixed briquetting, composite hydraulic cylinder are mounted on the panel of testing stand and are placed in the shell of testing stand
Portion, the through-hole being provided on the panel of testing stand outside the piston rod extending panel for composite hydraulic cylinder, the work of composite hydraulic cylinder
Stopper rod includes outer piston bar and inner piston rod, and for outer piston rod set outside inner piston rod, one end of guide post is fixed on panel
On, 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 two guide posts
Between and can be slided along guide post, oil inlet duct, shell of the high pressure fuel pipeline from testing stand are provided in inner piston rod
The oil inlet duct of interior access inner piston rod, high pressure fuel stretch out the high pressure fuel interface for compressing sealing fuel injector by inner piston rod
Into 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 utility model 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, outside
Piston rod is fixed fuel injector, and fuel injector not will cause the loosening of fuel pipe interface because vibrating caused by injection, safely may be used
It leans on,
2. realizing the quick clamping of fuel injector, spanner dismounting pipe fitting is avoided, the labour of fuel injector test is reduced
Intensity, 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 fuel injector high pressure fuel sealing joint is relatively reliable.
Preferably, the further technical solution of the utility model is:
Oil inlet duct one end of inner piston rod connects high pressure fuel pipeline, the other end in the oil inlet duct of inner piston rod and spray
The high pressure fuel interface of oily device is connected, and completes the connection of fuel injector and high pressure fuel pipeline;Outer piston rod set is mounted in inner piston
The outside of bar, self contained function are completed fuel injector and are fixed, between panel and outer piston bar, outer piston bar and inner piston rod it
Between be 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 the utility model embodiment schematic perspective view;
Fig. 2 is that the utility model embodiment overlooks half section structure diagram;
Fig. 3 is the utility model embodiment schematic view of the front view;
Fig. 4 is the structural schematic diagram that the second movable clip block of the utility model embodiment is connect with supporting plate;
Fig. 5 is the second movable clip block of the utility model embodiment, 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 utility model is described in further detail, and purpose, which is only that, more fully understands the utility model
Content, therefore, the cited case are not intended to limit the protection scope of the utility model.
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 utility model uses hydraulic lock, efficient and convenient, inside and outside double piston-rod, and inner piston rod 9, which compresses, tests high compression ignition
Oily interface, outer piston bar 10 are fixed fuel injector 1, and fuel injector 1 not will cause fuel pipe interface because vibrating caused by injection
Loosening, it is time saving and energy saving, operation it is convenient, securely and reliably, realize the quick clamping of fuel injector 1, avoid spanner dismounting pipe connect
Head, reduces the labor intensity of the test of fuel injector 1, and the compressing structure of the inside and outside double piston-rod of composite hydraulic cylinder 4 is realized independent
Fuel oil interface 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 above is only the preferred feasible embodiment of the utility model, not thereby limits to the power of the utility model
Sharp range, it is all with equivalence changes made by the utility model specification and its accompanying drawing content, it is both contained in the utility model
Within interest field.
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)
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CN201920409496.6U CN209570336U (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 |
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CN201920409496.6U CN209570336U (en) | 2019-03-28 | 2019-03-28 | HXN5B locomotive fuel injector testing stand fixture |
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Publication Number | Publication Date |
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CN209570336U true CN209570336U (en) | 2019-11-01 |
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ID=68335856
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CN201920409496.6U Active CN209570336U (en) | 2019-03-28 | 2019-03-28 | HXN5B locomotive fuel injector testing stand fixture |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109932167A (en) * | 2019-03-28 | 2019-06-25 | 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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2019
- 2019-03-28 CN CN201920409496.6U patent/CN209570336U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109932167A (en) * | 2019-03-28 | 2019-06-25 | 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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