CN202195784U - Device for measuring cam lift - Google Patents
Device for measuring cam lift Download PDFInfo
- Publication number
- CN202195784U CN202195784U CN2011202901254U CN201120290125U CN202195784U CN 202195784 U CN202195784 U CN 202195784U CN 2011202901254 U CN2011202901254 U CN 2011202901254U CN 201120290125 U CN201120290125 U CN 201120290125U CN 202195784 U CN202195784 U CN 202195784U
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- CN
- China
- Prior art keywords
- dial gauge
- fixed
- head
- cam
- measuring
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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.)
- Expired - Lifetime
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- A Measuring Device Byusing Mechanical Method (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model discloses a device for measuring a cam lift, comprising a dial gauge and a measuring probe device; wherein the measuring probe device comprises a device body, a fixed plate, a measuring arm, an inner centre, and an outer centre; the fixed plate is fixed on one side of the device body; a lower end of a dial gauge rod body is vertically fixed on an end head of a dial gauge support arm; a middle part of the measuring arm is hinged to a lower end of one side of the device body through a hinge pin; the outer centre and the inner centre are upwards and downwards fixed on two ends of the measuring arm respectively; and the distance from an axis of the inner centre to the center of the hinge pin is equal to the distance from an axis of the outer centre to the center of the hinge pin. The device of the utility model has the advantages of simple structure, convenient operation and simple adjustment; in addition, the device overcomes the difficulty that a space in a camshaft casing of a rack of a diesel engine is small so that it is difficult to directly measure the cam lift, and replaces two-time indirect measurements for the cam lift value in the prior art with one-time direct and accurate measurement for the cam lift value by using the dial gauge; and the device also can be used to perform multi-time measurements conveniently, thus the measuring precision can be raised.
Description
Technical field
The utility model relates to a kind of cam measurement mechanism, and especially a kind of measurement mechanism of diesel engine cam lift belongs to the power-equipment technical field.
Background technology
Camshaft is the part that is used to control diesel exhaust gas, air inlet, oil spout triadic relation; As shown in Figure 1; The axial array of cam shaft for diesel engine 1 the cam I 11 of three different outline molded lines, cam II 12, cam III 13; In order to accurately to control the time relationship of exhaust, air inlet, oil spout respectively, during the assembling diesel engine, necessary adjustment is the cam timing of decision diesel engine performance directly.And cam regularly is to realize through the lift of adjusting the camshaft overhead cam.The adjustment cam regularly must accurately be measured the lift of cam, because the space is very little in the cam box of diesel engine stand, needs repeatedly to put into cam box to measurer (internal calliper) during measurement and measures; Measure the detected value of measurer after measuring again with dial gauge at every turn; Measure the lift range value of cam in this way indirectly, need measure the repetition said process once more after the cam adjustment, not only inconvenience but also expend time in very long; And can not directly measure with dial gauge, increase measuring error.
Summary of the invention
But the purpose of the utility model provide a kind of simple in structure, easy to operate, measure the accurately measurement mechanism of one-shot measurement cam lift.
The utility model is achieved through following technical scheme:
A kind of cam lift measurement mechanism; Comprise dial gauge, measuring sonde device; Said measuring sonde device comprises device body, fixed head, gage beam, in top, outer top, said fixed head is fixed on device body one side; The device body opposite side extends outward the dial gauge sway brace; Dial gauge body of rod lower end is vertically fixed on the dial gauge sway brace termination, and said gage beam middle part is hinged through swivel pin and device body one side lower end, outer top, in top being separately fixed on the gage beam two ends.A kind of cam lift measurement mechanism comprises dial gauge, measuring sonde device, and said measuring sonde device comprises device body, fixed head, gage beam; In top, outer top; Said fixed head is fixed on device body one side, and the device body opposite side extends outward the dial gauge sway brace, and dial gauge body of rod lower end is vertically fixed on the dial gauge sway brace termination; Said gage beam middle part is hinged through swivel pin and device body one side lower end; Top outward, in top being separately fixed at one on the other on the gage beam two ends, in top being resisted against down on the cam gabarit, outer top being resisted against up on the dial gauge gauge head.
The purpose of the utility model can also further realize through following technical measures.
Aforesaid cam lift measurement mechanism; Top in wherein said, outer top head is taper; Said tapered tip is a semisphere; In top head down, outer top head is fixed on the gage beam two ends up, in top head be resisted against on the cam gabarit, outer top head is resisted against on the dial gauge gauge head.Top axis is equal to the distance at swivel pin center to the distance and the outer top axis at swivel pin center in said.
The utility model is simple in structure, and is easy to operate, and adjustment is simple.It is narrow and small to have overcome the interior space of diesel engine stand camshaft case, is difficult to directly measure the difficulty of cam lift.Twice indirect cam lift value of measuring of prior art changed into the once directly accurate measurement cam lift value of dial gauge, but Direct observation dial gauge reading, and can easily repeat repeatedly to measure, improved measuring accuracy.During the timing of adjustment cam; Earlier a top end in the gage beam of the utility model is put into the camshaft case of diesel engine stand; With securing member fixed head is fixed on the diesel engine stand again, dial gauge body of rod lower end is vertically fixed on the dial gauge sway brace termination, the angle of adjustment gage beam; Make gage beam in top termination be resisted against on the cam contour of its downside, the outer top termination of gage beam is resisted against on the dial gauge gauge head of its upside.During the cam timing; Along with the rotation of camshaft, in the gage beam rise or descend along cam face in top termination, and gage beam is rotated around the swivel pin center; Drive top decline or rising in the gage beam; The dial gauge gauge head moves up and down thereupon, and the indicator of dial gauge also rotates thereupon, can from dial gauge, directly read the cam lift value.Since in top axis equal to the distance at swivel pin center and outer top axis to the distance at swivel pin center; Therefore the distance that the distance that top termination descends or rises in rises or descends with the dial gauge gauge head equates, that directly reads from the dial gauge is measured cam contour lift range value.
Advantage of the utility model and characteristics will illustrate through the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide with reference to accompanying drawing as an example.
Description of drawings
Fig. 1 is the stereographic map of cam shaft for diesel engine;
Fig. 2 is the structural representation of the utility model;
Fig. 3 is the synoptic diagram that the utility model is used to measure the cam lift value.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Like Fig. 2, shown in Figure 3; The utility model comprises dial gauge 2, measuring sonde device 3, and said measuring sonde device 3 comprises device body 31, fixed head 32, gage beam 33, in top 34, outer top 35; Fixed head is fixed on device body 31 1 sides through securing member; The device body opposite side extends outward dial gauge sway brace 311, and insert in the notch of dial gauge sway brace 311 terminations fluting the dial gauge body of rod 21 lower ends, and the outside is fastening with bolt and nut; Like this, the dial gauge body of rod 21 just is vertically fixed on the dial gauge sway brace 311.Gage beam 33 middle parts are hinged through swivel pin 36 and device body 31 1 side lower ends; Outer top 34, in top 35 be separately fixed at one on the other on gage beam 33 two ends; In top 35 be resisted against down on cam 11 gabarits, outer top 34 are resisted against on the dial gauge gauge head 22 up.
In top 34, outer top 35 heads be taper, said tapered tip is a semisphere, contact area is little, measurement is accurate.In top 34 head down, outer top 35 head is fixed on through being threaded on gage beam 33 two ends respectively up.In top 34 axis equate to distance L at swivel pin 36 centers 1 and the distance L 2 of outer top 35 axis to swivel pin 36 centers, therefore, in the top 34 terminations distance that descends or rise equate with the distance of 22 risings of dial gauge gauge head or decline.In top 34 terminations equate with the distance that dial gauge gauge head 22 rises or descends along the distance that cam face rises or descends, from dial gauge 2, can directly read the cam contour lift, reduced measuring error.
During use; Earlier top 34 1 ends in the gage beam 33 of the utility model are put into the camshaft case of diesel engine stand 4; Be positioned on the diesel engine stand 4 with pin 37 again; With trip bolt 38 fixed head 32 stably is fixed on the diesel engine stand 4, then the dial gauge body of rod 21 lower ends is vertically inserted in the notch of dial gauge sway brace 311 terminations fluting, the outside is fastening with bolt and nut.Then adjust the angle of gage beam 33, make that top 34 terminations are resisted against on cam 11 profiles of its downside in the gage beam 33, outer top 35 terminations of gage beam 33 are resisted against on the dial gauge gauge head 22 of its upside.During measurement, along with the rotation of camshaft, in top 34 terminations rise or descend along cam 11 surface; Gage beam 33 rotates around swivel pin 36 centers; Top 34 descend or rise in the drive, thereby dial gauge gauge head 22 is moved up and down thereupon, and dial gauge 2 indicators rotate; Can from dial gauge 2, directly read cam 11 lifts, very intuitive and convenient.
Except that the foregoing description, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (3)
1. cam lift measurement mechanism; Comprise dial gauge, it is characterized in that: also comprise the measuring sonde device, said measuring sonde device comprises device body, fixed head, gage beam; In top, outer top; Said fixed head is fixed on device body one side, and the device body opposite side extends outward the dial gauge sway brace, and dial gauge body of rod lower end is vertically fixed on the dial gauge sway brace termination; Said gage beam middle part is hinged through swivel pin and device body one side lower end, outer top, in top being separately fixed on the gage beam two ends.
2. cam lift measurement mechanism as claimed in claim 1; It is characterized in that: top in said, outer top head is taper; Said tapered tip is a semisphere; In top head down, outer top head is fixed on the gage beam two ends up, in top head be resisted against on the cam gabarit, outer top head is resisted against on the dial gauge gauge head.
3. cam lift measurement mechanism as claimed in claim 1 is characterized in that: top axis is equal to the distance at swivel pin center to the distance and the outer top axis at swivel pin center in said.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202901254U CN202195784U (en) | 2011-08-11 | 2011-08-11 | Device for measuring cam lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202901254U CN202195784U (en) | 2011-08-11 | 2011-08-11 | Device for measuring cam lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202195784U true CN202195784U (en) | 2012-04-18 |
Family
ID=45950688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202901254U Expired - Lifetime CN202195784U (en) | 2011-08-11 | 2011-08-11 | Device for measuring cam lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202195784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384707A (en) * | 2011-08-11 | 2012-03-21 | 镇江中船设备有限公司 | Cam lift measurement device |
| CN107014274A (en) * | 2016-01-28 | 2017-08-04 | 北京道尔道振动控制设备有限公司 | A kind of steel spring floating slab road bed monitoring device |
-
2011
- 2011-08-11 CN CN2011202901254U patent/CN202195784U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384707A (en) * | 2011-08-11 | 2012-03-21 | 镇江中船设备有限公司 | Cam lift measurement device |
| CN107014274A (en) * | 2016-01-28 | 2017-08-04 | 北京道尔道振动控制设备有限公司 | A kind of steel spring floating slab road bed monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Cssc Marine Power Co., Ltd. Assignor: Zhenjiang Zhongchuan Equipment Co., Ltd. Contract record no.: 2014320000248 Denomination of utility model: Cam lift measurement device Granted publication date: 20120418 License type: Exclusive License Record date: 20140325 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: CSSC MARINE POWER CO., LTD. Free format text: FORMER NAME: ZHENJIANG CME CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Zhenjiang City, Jiangsu Province, the Yangtze River Road 212002 Runzhou District No. 402 Patentee after: Cssc Marine Power Co., Ltd. Address before: Zhenjiang City, Jiangsu Province, 212311 Kwun Tong Bridge Runzhou District Road No. 250 Patentee before: Zhenjiang Zhongchuan Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120418 |