CN105201720B - A kind of device to detect common-rail injector control stroke of valve and oil nozzle needle lift - Google Patents
A kind of device to detect common-rail injector control stroke of valve and oil nozzle needle lift Download PDFInfo
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- CN105201720B CN105201720B CN201510737103.0A CN201510737103A CN105201720B CN 105201720 B CN105201720 B CN 105201720B CN 201510737103 A CN201510737103 A CN 201510737103A CN 105201720 B CN105201720 B CN 105201720B
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Abstract
A kind of device to detect common-rail injector control stroke of valve and oil nozzle needle lift disclosed by the invention, it includes：One base；The common-rail injector of one clamping device on the base, the clamping device control valve to be measured to being equipped with and oil nozzle needle-valve is clamped；One measurement apparatus, the measurement apparatus is to the control stroke of valve on common-rail injector and oil nozzle needle lift polarity measurement.The beneficial effects of the present invention are：By control and measure device around, the movement in three directions up and down, accurately the workpiece centre of location and measuring center are corrected, make assembly technique simple, with low cost, easy to manufacture, strong adaptability, while reducing labor intensity.
Description
Technical field
The present invention relates to common-rail injector assembling process technique field, more particularly to one kind is to detect common-rail injector control
The device of stroke of valve processed and oil nozzle needle lift.
Background technology
Common-rail injector control stroke of valve, the accurate measurement of needle lift are directly connected to the quality of its performance.Traditional
Measurement apparatus is held to fill, positions fuel injector and need to make a large amount of matching frocks, so as to increase because of the difference of fuel injector profile
Add cost, reduce service efficiency.
The content of the invention
The technical problems to be solved by the invention are for existing fuel injector because of appearance and size caused by various in style
Differ, the problem of being brought inconvenience to detection control stroke of valve and oil nozzle needle lift and provide it is a kind of it is easy and effective, can meet not
With contour structures control valve, the device to detect common-rail injector control stroke of valve and oil nozzle needle lift of oil nozzle needle-valve.
The technical problems to be solved by the invention can be achieved through the following technical solutions：
A kind of device to detect common-rail injector control stroke of valve and oil nozzle needle lift, including：
One base；
One is arranged on the clamping device on the base, the clamping device control valve to be measured to being equipped with and oil nozzle
The common-rail injector of needle-valve is clamped；
One measurement apparatus, the measurement apparatus is surveyed to the control stroke of valve on common-rail injector and oil nozzle needle lift polarity
Amount.
In a preferred embodiment of the invention, the supporting screw on the base, is supported on ground by the base
On face.
In a preferred embodiment of the invention, the clamping device includes：
One door type guiding trestle, the door type guiding trestle has two slide rails be arrangeding in parallel and connection two
Crossbeam between slide rail first end；
One is arranged on the clamp head between the second end of two slide rails；
One sliding block, sliding block configuration is between two slide rails and the two ends of the sliding block can be along two slide rails
Synchronous slide；
One is screwed onto the screw mandrel on the crossbeam, and the first end of the screw mandrel is provided with handle, and the second end of the screw mandrel leads to
Feed screw nut is crossed to be connected with the sliding block；
Dynamic chuck on the sliding block.
In a preferred embodiment of the invention, two slide rails are fixed on the base by two briquettings respectively
On.
In a preferred embodiment of the invention, the measurement apparatus includes：
One bottom, which is fixed on the support bar on the base, the excircle of the support bar, is configured with one section of external screw thread；
One is arranged on the connecting plate on the external screw thread of the support bar by positioning thread insert and locking nut, unclamps the lock
Tight nut, the positioning thread insert can be rotated and move along above and below the external screw thread, and the connecting plate is followed on the positioning thread insert
Lower movement and moved left and right around the positioning thread insert；One is configured with the connecting plate can turn chuck connecting cylinder；It is described can
Turn chuck connecting cylinder with an endoporus, one end open of the endoporus away from the connecting plate；
One can turn chuck, and the chuck that turns is with a shank and the chuck being connected with the handle, in the outer of the shank
An annular groove is configured with surface；The chuck includes the clamp being connected with the shank for a pair and the free end by a pair of clamps
The lock-screw connected；
One be arranged radially in it is described can turn the alignment pin on chuck connecting cylinder, the lower end of the alignment pin can turn through described
The barrel of chuck connecting cylinder, which is extended into the endoporus that can turn chuck connecting cylinder and is embedded into, described can turn on the shank of chuck
Annular groove in；
One warp-wise is configured in the holding pin turned on chuck connecting cylinder, and the lower end of alignment pin is worn described in the holding pin
The barrel for turning chuck connecting cylinder is crossed to extend into the endoporus that can turn chuck connecting cylinder to shank progress tightening；
One measurement table, the measurement table is clamped by a pair of clamps for turning chuck.
In a preferred embodiment of the invention, the measurement table is dial gauge.
As a result of technical scheme as above, the beneficial effects of the present invention are：By control and measure device it is front and rear,
The movement in left and right, up and down three directions, accurately corrects the workpiece centre of location and measuring center, makes assembly technique letter
It is single, with low cost, easy to manufacture, strong adaptability, while reducing labor intensity.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the stereochemical structure of device of the present invention to detect common-rail injector control stroke of valve and oil nozzle needle lift
Schematic diagram.
Fig. 2 is the schematic diagram of the invention to measure the control lift of a valve on a kind of structure type common-rail injector.
Fig. 3 is the schematic diagram of the invention to measure the oil nozzle needle lift on a kind of structure type common-rail injector.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to Fig. 1, a kind of dress to detect common-rail injector control stroke of valve and oil nozzle needle lift provided in figure
Put, including base 19, be provided with three supporting screws 20 on the base 19, base 19 is supported on bottom surface.
Clamping device and measurement apparatus, the clamping device control valve to be measured to being equipped with and oil are installed on base 19
The common-rail injector of mouth needle-valve is clamped, and measurement apparatus is to the control stroke of valve on common-rail injector and oil nozzle needle lift pole
Property measurement.
Clamping device includes a door type guiding trestle 1, and the door type guiding trestle 1 has two slide rails be arrangeding in parallel
Crossbeam 1c between 1a, 1b and two slide rail 1a, 1b first ends of connection, passes through between two slide rails 1a, 1b the second end
Soket head cap screw 17 is provided with certain chuck 18.Two slide rails 1a, 1b by two briquettings 7,7a and are bolted to respectively
On base 19.Bolt on release briquetting 7,7a, you can briquetting 7,7a are unclamped, to adjust the position of clamping device.
Sliding block 5 in clamping device configure between two slide rails 1a, 1b and sliding block 5 two ends can along two slide rail 1a,
1b synchronous slides；The mobile of sliding block 5 is driven by a screw mandrel 3, and screw mandrel 3 is screwed onto on crossbeam 1c, is installed in the first end of screw mandrel 3
There is one handle 2, by handle 2 screw mandrel 3 can be driven to rotate.Second end of screw mandrel 3 is by feed screw nut and limiting plate 4 with sliding
Block 5 is connected；Limiting plate 4 is using being bolted on sliding block 5, and feed screw nut is arranged in limiting plate 4, when such screw mandrel 3 is rotated,
The two ends that can just drive sliding block by feed screw nut and limiting plate 4 can be along two slide rail 1a, 1b synchronous slides.In sliding block 5
Upper use bolt is provided with dynamic chuck 6, and dynamic chuck 6 coordinates the common-rail injector that can just will be equipped with to be measured with clamp first 18
Control valve and oil nozzle needle-valve clamp.
Measurement apparatus includes being configured with one on the support bar 13 that a bottom is fixed on base 19, the excircle of support bar 13
Section external screw thread；Connecting plate 14 in measurement apparatus is arranged on the outer spiral shell of support bar 13 by positioning thread insert 15 and locking nut 15a
On line, and positioning thread insert 15 can be locked on externally threaded any position of support bar 13 by tight locking nut 15a, unclamp lock
Tight nut 15a, rotational positioning swivel nut 15 is the height and left and right angle of adjustable connecting plate 14.
One is configured with connecting plate 14 can turn chuck connecting cylinder 14a；Chuck connecting cylinder 14a can be turned with an endoporus, it is interior
One end open of the hole away from connecting plate 14.
Turn chuck 9 with a shank 9a and the chuck that be connected with shank 9a in measurement apparatus, chuck include a pair and
Clamp 9b, 9c of shank 9a connections and the lock-screw 16 for connecting a pair of clamps 9b, 9c free end.Shank 9a's
An annular groove (not shown) is configured with outer surface.
Radial arrangement has alignment pin 12 and holding pin 11 on it can turn chuck connecting cylinder 14a, and the lower end of alignment pin 12 is passed through
The barrel that chuck connecting cylinder 14a can be turned is extended into the endoporus that can turn chuck connecting cylinder 14a and is embedded into and can turn the shank of chuck 9
In annular groove on 9a, can so turn chuck 9 can rotate under the guiding of alignment pin 12.The lower end of holding pin 11, which is passed through, can turn folder
Head connecting cylinder 14a barrel extends into the endoporus that can turn chuck connecting cylinder 14a and carries out tightening to shank 9a.
Measurement table is dial gauge 10, and a pair of clamps 9b, 9c that dial gauge 10 can be turned chuck 9 are clamped.
The application method of the present invention is as follows
1) measurement of stroke of valve is controlled：
Referring to Fig. 2, according to the height for the common-rail injector for being equipped with control valve, pass through the appropriate adjustment bottom of supporting screw 20
Seat 19 away from ground size；Because the positioning of different control valves is cylindrical not of uniform size, therefore briquetting 7,7a need to be unclamped, it is left and right, movable
Door type guiding trestle 1 makes the center of common-rail injector 21 and the center of dial gauge 10 that are equipped with the control valve to be measured substantially right
Locking clamping block 7,7a after just；The common-rail injector 21 or 21a that now will be equipped with the control valve to be measured are leaned against in clamp first 18,
Turned clockwise screw mandrel 3 by handle 2, screw mandrel 3 promotes sliding block 5 to be moved to first 18 direction of clamp, makes the dynamic chuck 6 on sliding block 5
The common-rail injector 21 that the control valve to be measured is will be equipped with together with clamp first 18 is compressed.Locking nut 15a is unclamped, rotation is fixed
Position swivel nut 15 makes its external screw thread along support bar 13 move up and down and left rotation and right rotation connecting plate 14, above and below the gauge outfit of dial gauge 10
After position adjustment in place and tight locking nut 15a.
After controller wire harness is connected with electromagnet binding post, after the zero setting of dial gauge 10, press to electric switch, common rail spray
Control stroke of valve in oily device 21 is to be measured.If the common-rail injector for being equipped with the control valve to be measured is remodeled, palpus will be upper
Step is stated to re-execute, otherwise only need to be by the rotate counterclockwise screw mandrel 3 of handle 2, screw mandrel 3 is with movable slider 5 to away from clamp first 18
Direction is moved, and the dynamic chuck 6 on sliding block 5 is unclamped the taking-up of common-rail injector 21 for being equipped with the control valve to be measured.
2) measurement of oil nozzle needle lift：
Referring to Fig. 3, according to the height for the common-rail injector for being equipped with oil nozzle needle-valve, pass through the appropriate adjustment of supporting screw 20
Base 19 away from ground size；Because the positioning of different oil nozzle needle-valves is cylindrical not of uniform size, therefore briquetting 7,7a need to be unclamped, it is left and right, front and rear
Mobile door type guiding trestle 1 makes center of the center of common-rail injector 22 with dial gauge 10 for being equipped with the oil nozzle needle-valve to be measured
Substantially rear locking clamping block 7,7a are aligned；The common-rail injector 22 for the oil nozzle needle-valve to be measured now be will be equipped with clamp first 18
On, turned clockwise screw mandrel 3 by handle 2, screw mandrel 3 promotes sliding block 5 to be moved to first 18 direction of clamp, makes the dynamic folder on sliding block 5
First 6 common-rail injectors 22 that the oil nozzle needle-valve to be measured is will be equipped with together with clamp first 18 are compressed.Locking nut 15a is unclamped,
Rotational positioning swivel nut 15 makes its external screw thread along support bar 13 move up and down and left rotation and right rotation connecting plate 14, by the table of dial gauge 10
Head upper-lower position is adjusted in place rear and tight locking nut 15a.
After controller wire harness is connected with electromagnet binding post, after the zero setting of dial gauge 10, press to electric switch, common rail spray
Oil nozzle needle stroke in oily device 21 or 21a is to be measured.If the common-rail injector for being equipped with the oil nozzle needle-valve to be measured is changed
Type, must re-execute above-mentioned steps, otherwise only need to be by the rotate counterclockwise screw mandrel 3 of handle 2, and screw mandrel 3 is with movable slider 5 to remote
The first 18 direction movement of clamp, takes the common-rail injector 22 that the release of the dynamic chuck 6 on sliding block 5 is equipped with the oil nozzle needle-valve to be measured
Go out.
It should be understood by those skilled in the art that, the present invention is not limited to the above embodiments, above-described embodiment and explanation
Merely illustrating the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also have
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
By appended claims and its equivalent thereof.
Claims (4)
1. a kind of device to detect common-rail injector control stroke of valve and oil nozzle needle lift, it is characterised in that including：
One base；
One is arranged on the clamping device on the base, the clamping device control valve to be measured to being equipped with and oil nozzle needle-valve
Common-rail injector clamped；
One measurement apparatus, the measurement apparatus is measured to the control stroke of valve and oil nozzle needle-valve on common-rail injector；
The clamping device includes：
One door type guiding trestle, the door type guiding trestle has two slide rails of two slide rails be arrangeding in parallel and connection
Crossbeam between first end；
One is arranged on the clamp head between the second end of two slide rails；
One sliding block, sliding block configuration is between two slide rails and the two ends of the sliding block can be along two slide rail synchronizations
Slide；
One is screwed onto the screw mandrel on the crossbeam, and the first end of the screw mandrel is provided with handle, and the second end of the screw mandrel passes through silk
Stem nut is connected with the sliding block；
Dynamic chuck on the sliding block；
The measurement apparatus includes：
One bottom, which is fixed on the support bar on the base, the excircle of the support bar, is configured with one section of external screw thread；
One is arranged on the connecting plate on the external screw thread of the support bar by positioning thread insert and locking nut, unclamps the locking screw
Mother, the positioning thread insert can be rotated and move along above and below the external screw thread, and the connecting plate is followed to be moved down on the positioning thread insert
Move and moved left and right around the positioning thread insert；One is configured with the connecting plate can turn chuck connecting cylinder；It is described to turn folder
Head connecting cylinder has an endoporus, one end open of the endoporus away from the connecting plate；
One can turn chuck, and the chuck that turns is with a shank and the chuck being connected with the shank, in the appearance of the shank
An annular groove is configured with face；The chuck includes the clamp being connected with the shank for a pair and the free end company by a pair of clamps
Pick up the lock-screw come；
One be arranged radially in it is described can turn the alignment pin on chuck connecting cylinder, the lower end of the alignment pin can turn chuck through described
The barrel of connecting cylinder, which is extended into the endoporus that can turn chuck connecting cylinder and is embedded into, described can turn the ring on the shank of chuck
In shape groove；
One be arranged radially in it is described can turn the holding pin on chuck connecting cylinder, the lower end of the holding pin can turn chuck through described
The barrel of connecting cylinder extends into the endoporus that can turn chuck connecting cylinder and carries out tightening to the shank；
One measurement table, the measurement table is clamped by a pair of clamps for turning chuck.
2. a kind of device to detect common-rail injector control stroke of valve and oil nozzle needle lift as claimed in claim 1,
Characterized in that, setting supporting screw on the base, by base support on the ground.
3. a kind of device to detect common-rail injector control stroke of valve and oil nozzle needle lift as claimed in claim 1,
Characterized in that, two slide rails are fixed on the base each via a briquetting.
4. a kind of device to detect common-rail injector control stroke of valve and oil nozzle needle lift as claimed in claim 1,
Characterized in that, the measurement table is dial gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737103.0A CN105201720B (en) | 2015-11-03 | 2015-11-03 | A kind of device to detect common-rail injector control stroke of valve and oil nozzle needle lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737103.0A CN105201720B (en) | 2015-11-03 | 2015-11-03 | A kind of device to detect common-rail injector control stroke of valve and oil nozzle needle lift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105201720A CN105201720A (en) | 2015-12-30 |
| CN105201720B true CN105201720B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510737103.0A Active CN105201720B (en) | 2015-11-03 | 2015-11-03 | A kind of device to detect common-rail injector control stroke of valve and oil nozzle needle lift |
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| CN (1) | CN105201720B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107554815A (en) * | 2016-06-23 | 2018-01-09 | 陕西飞机工业（集团）有限公司 | A kind of accurate measurement aircraft aileron tab aerofoil jump device |
| CN106762305B (en) * | 2016-12-27 | 2022-08-09 | 中国船舶重工集团公司第七一一研究所 | Device for preventing oil sprayer positioning pin from being disassembled and assembled and broken and use method thereof |
| CN109026485A (en) * | 2018-08-14 | 2018-12-18 | 南京双峰油泵油嘴有限公司 | Injection pump quickly detects experimental rig and its test method |
| CN109443292B (en) * | 2018-12-05 | 2023-12-05 | 无锡六方精工科技有限公司 | Angle measuring instrument for electromagnet of oil sprayer and working method thereof |
| CN110455161B (en) * | 2019-07-29 | 2020-12-18 | 中车青岛四方机车车辆股份有限公司 | Inner diameter scale calibration tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10139080B4 (en) * | 2001-08-09 | 2004-05-13 | Carl Zeiss | Assembly guide for linear guide rails |
| CN2724925Y (en) * | 2004-08-19 | 2005-09-14 | 梁意 | Oil atomizer multifunction universal clamp |
| US20090071262A1 (en) * | 2005-03-24 | 2009-03-19 | Baumer Holding Ag | Electrically measuring expansions on cylindrical bodies |
| CN200951498Y (en) * | 2006-08-29 | 2007-09-26 | 比亚迪股份有限公司 | Clamping means for machine processing |
| CN202607184U (en) * | 2012-03-16 | 2012-12-19 | 杨刚 | Dismounting apparatus of key control unit of common rail oil sprayer |
| CN102996313B (en) * | 2012-12-25 | 2015-06-17 | 天台县唐宋汽车修配厂 | Mounting and demounting detection table of oil sprayer |
| CN203908480U (en) * | 2014-06-30 | 2014-10-29 | 浙江荣康橡塑科技有限公司 | Shaft sleeve end surface flatness detection device |
| CN205744230U (en) * | 2015-11-03 | 2016-11-30 | 南岳电控（衡阳）工业技术股份有限公司 | A kind of in order to detect common-rail injector control valve stroke and the device of oil nozzle needle lift |
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Address after: 421007 Hunan city in Hengyang Province, Yanfeng District Baishazhou box No. 10 Applicant after: The electronic (Hengyang) industrial technology Limited by Share Ltd Address before: 421007 Hunan city in Hengyang Province, Yanfeng District Baishazhou box No. 10 Applicant before: Nanyue Electronic Control (Hengyang) Industry Technology Co., Ltd. |
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