CN114739343A - Utensil is examined to push rod bulb and rocking arm cooperation degree of depth in diesel engine valve actuating mechanism - Google Patents
Utensil is examined to push rod bulb and rocking arm cooperation degree of depth in diesel engine valve actuating mechanism Download PDFInfo
- Publication number
- CN114739343A CN114739343A CN202210370969.2A CN202210370969A CN114739343A CN 114739343 A CN114739343 A CN 114739343A CN 202210370969 A CN202210370969 A CN 202210370969A CN 114739343 A CN114739343 A CN 114739343A
- Authority
- CN
- China
- Prior art keywords
- push rod
- arm
- rocker arm
- diesel engine
- fixed
- 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.)
- Granted
Links
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 238000007493 shaping process Methods 0.000 claims description 6
- 241001631030 Explorator Species 0.000 claims description 4
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/18—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to the technical field of diesel engine production, and discloses a push rod ball head and rocker arm matching depth checking fixture in a diesel engine valve mechanism, which comprises a base, wherein a profiling is fixed at the left end of the base, a long arm of a rocker arm is pressed against the profiling, and a pressing mechanism is arranged above the profiling; a supporting block is fixed in the middle of the base, a supporting mandrel is fixed on the supporting block, and a middle round hole of the rocker arm is inserted and sleeved on the supporting mandrel; a sleeve is sleeved and fixed at the right end of the base, a push rod is sleeved in the sleeve, a ball head is formed at the upper end of the push rod and is pressed against the inner wall of a ball socket hole in the short arm of the rocker arm; the lower end of the push rod is pressed against a screw which is in threaded connection with the bottom of the sleeve; and a measuring rod which is perpendicular to the push rod is fixed in the middle of the push rod. The matching depth of the push rod ball head and the rocker arm can be conveniently measured, the operation is simple and rapid, and the practicability is high.
Description
The technical field is as follows:
the invention relates to the technical field of diesel engine production, in particular to a tool for detecting the matching depth of a push rod ball head and a rocker arm in a diesel engine valve mechanism.
Background art:
the diesel engine newly developed by the company adopts a hydraulic tappet to automatically compensate the valve clearance. If the assembly depth error of the inner hole of the push rod ball head and the rocker arm ball head exceeds the stroke of the hydraulic tappet automatic compensation valve clearance, the valve opening and closing clearance is unstable. If the situation is serious, the power of the diesel engine is reduced, and even the starting is difficult. Therefore, the matching depth of the push rod and the ball head of the rocker arm is needed to be checked. However, the spherical hole of the rocker arm is not in a common spherical shape, but is in a football shape generated by double circle center processing and overlapping, so that the conventional checking fixture is difficult to measure, and the checking fixture is specially designed to solve the problem.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides a detection tool for the matching depth of a push rod ball head and a rocker arm in a valve actuating mechanism of a diesel engine, which can conveniently detect the matching depth of the push rod ball head and the rocker arm and has the advantages of simple and rapid operation and strong practicability.
The scheme for solving the technical problems is as follows:
a push rod ball head and rocker arm matching depth checking fixture in a diesel engine valve actuating mechanism comprises a base, wherein a profiling is fixed at the left end of the base, a long arm of a rocker arm is pressed against the profiling, and a pressing mechanism is arranged above the profiling; a supporting block is fixed in the middle of the base, a supporting mandrel is fixed on the supporting block, and a middle round hole of the rocker arm is inserted and sleeved on the supporting mandrel; a sleeve is sleeved and fixed at the right end of the base, a push rod is sleeved in the sleeve, a ball head is formed at the upper end of the push rod and is pressed against the inner wall of a ball socket hole in the short arm of the rocker arm; the lower end of the push rod is pressed against a screw which is in threaded connection with the bottom of the sleeve; and a measuring rod which is perpendicular to the push rod is fixed in the middle of the push rod.
The pressing mechanism comprises a short support and a high support which are fixed on the base, and the short support and the high support are respectively positioned on the front side and the rear side of the explorator; the upper end of high support rotates through first round pin axle and the rear end of pressing the arm to be connected, presses the upper end at the long arm in the middle part of pressing the arm, and the front end shaping of pressing the arm has the fluting, has cup jointed the screw rod in the fluting, and the upper end spiro union of screw rod has lock nut, and lock nut presses on pressing the arm, and the lower extreme shaping of screw rod has the connecting block, and the connecting block passes through the rotation of second round pin axle to be connected on short support.
And a limiting long groove is formed in the outer wall of the sleeve, and the measuring rod is inserted in the limiting long groove.
The supporting core shaft is sleeved with a lining, and the lining is inserted and sleeved in the middle round hole.
And a knob is formed at the lower end of the screw.
The upper end shaping of profiling has the downside matched with arcwall face with the long arm.
The invention has the following outstanding effects:
compared with the prior art, the method can conveniently measure the matching depth of the push rod ball head and the rocker arm, is simple and quick to operate, and has strong practicability.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a schematic structural view of the rocker arm of the present invention.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 5, a tool for detecting the matching depth of a push rod ball head and a rocker arm in a valve actuating mechanism of a diesel engine comprises a base 1, wherein a profiling mold 2 is fixed at the left end of the base 1, a long arm 91 of a rocker arm 9 is pressed against the profiling mold 2, and a pressing mechanism 3 is arranged above the profiling mold 2; a supporting block 41 is fixed in the middle of the base 1, a supporting core shaft 42 is fixed on the supporting block 41, and a middle round hole 92 of the rocker arm 9 is inserted and sleeved on the supporting core shaft 42; a sleeve 51 is sleeved and fixed at the right end of the base 1, a push rod 52 is sleeved in the sleeve 51, a ball head 53 is formed at the upper end of the push rod 52, and the ball head 53 is pressed on the inner wall of a ball socket hole 94 on a short arm 93 of the rocker arm 9; the lower end of the push rod 52 is pressed against a screw 54, and the screw 54 is screwed at the bottom of the sleeve 51; a measuring rod 55 is fixed in the middle of the push rod 52 and is perpendicular to the push rod.
Furthermore, the pressing mechanism 3 comprises a short support 31 and a high support 32 fixed on the base 1, the short support 31 and the high support 32 are respectively positioned on the front side and the rear side of the explorator 2; the upper end of the high support 32 is rotatably connected with the rear end of the pressure arm 34 through a first pin shaft 33, the middle of the pressure arm 34 is pressed against the upper end of the long arm 91, a groove 341 is formed in the front end of the pressure arm 34, a screw 35 is sleeved in the groove 341, a locking nut 36 is screwed on the upper end of the screw 35, the locking nut 36 is pressed against the pressure arm 34, a connecting block 351 is formed at the lower end of the screw 35, and the connecting block 351 is rotatably connected onto the low support 31 through a second pin shaft 37.
Furthermore, a limiting long groove 511 is formed on the outer wall of the sleeve 51, and the measuring rod 55 is inserted into the limiting long groove 511.
Furthermore, the supporting core shaft 42 is sleeved with the bush 43, and the bush 43 is inserted and sleeved in the middle round hole 92.
Further, a knob 541 is formed at a lower end of the screw 54.
Furthermore, the upper end of the profile 2 is formed with an arc-shaped surface 21 that cooperates with the lower side of the long arm 91.
The working principle is as follows: the bush 43 is inserted on the supporting mandrel 42, the middle round hole of the rocker arm 9 is inserted on the bush 43, and the long arm of the rocker arm is pressed on the explorator;
then, the pressing arm 34 is pressed against the long arm 91, the lock nut 36 is rotated, the lock nut 36 drives the front end of the pressing arm 34 to move downwards, and the long arm 91 is tightly pressed between the profiling and the pressing arm;
then, the knob 541 is rotated, the screw 54 moves upwards to drive the push rod 52 to move upwards, and the ball 53 is tightly pressed in the ball socket hole 94;
then, the distance h1 between the measuring rod 55 and the lower plane of the short arm 93 of the rocker arm 9 is measured, the distance h2 between the measuring rod 55 and the top of the ball head at the upper end of the push rod 52 is known, h3 is h1-h2, the theoretical fit size h of the push rod ball head and the rocker arm is compared with h3, and the difference of h-h3 is the actual fit depth value error.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should fall within the scope of the present invention and the protection scope of the present invention should be defined by the claims.
Claims (6)
1. The utility model provides a utensil is examined with rocking arm cooperation degree of depth to push rod bulb among diesel engine valve actuating mechanism, includes base (1), its characterized in that: a profiling mold (2) is fixed at the left end of the base (1), a long arm (91) of the rocker arm (9) is pressed against the profiling mold (2), and a pressing mechanism (3) is arranged above the profiling mold (2); a supporting block (41) is fixed in the middle of the base (1), a supporting core shaft (42) is fixed on the supporting block (41), and a middle round hole (92) of the rocker arm (9) is inserted and sleeved on the supporting core shaft (42); a sleeve (51) is sleeved and fixed at the right end of the base (1), a push rod (52) is sleeved in the sleeve (51), a ball head (53) is formed at the upper end of the push rod (52), and the ball head (53) is pressed on the inner wall of a ball socket hole (94) in a short arm (93) of the rocker arm (9); the lower end of the push rod (52) is pressed against a screw (54), and the screw (54) is screwed at the bottom of the sleeve (51); and a measuring rod (55) which is perpendicular to the push rod (52) is fixed in the middle of the push rod.
2. The diesel engine valve train push rod bulb and rocker arm fit depth checking fixture of claim 1, characterized in that: the pressing mechanism (3) comprises a short support (31) and a high support (32) which are fixed on the base (1), and the short support (31) and the high support (32) are respectively positioned on the front side and the rear side of the explorator (2); the upper end of high support (32) is connected through the rear end rotation of first round pin axle (33) with pressure arm (34), the middle part of pressure arm (34) presses the upper end of long arm (91), the front end shaping of pressure arm (34) has fluting (341), screw rod (35) have been cup jointed in the fluting (341), the upper end spiro union of screw rod (35) has lock nut (36), lock nut (36) press on pressure arm (34), the lower extreme shaping of screw rod (35) has connecting block (351), connecting block (351) rotate through second round pin axle (37) and connect on short support (31).
3. The diesel engine valve train push rod bulb and rocker arm fit depth checking fixture of claim 1, characterized in that: a limiting long groove (511) is formed in the outer wall of the sleeve (51), and the measuring rod (55) is inserted in the limiting long groove (511).
4. The diesel engine valve train push rod bulb and rocker arm fit depth checking fixture of claim 1, characterized in that: the supporting core shaft (42) is sleeved with a lining (43), and the lining (43) is inserted in the middle round hole (92).
5. The diesel engine valve train push rod bulb and rocker arm fit depth checking fixture of claim 1, characterized in that: and a knob (541) is formed at the lower end of the screw (54).
6. The diesel engine valve train push rod bulb and rocker arm fit depth checking fixture of claim 1, characterized in that: the upper end shaping of profiling (2) has the downside matched with arcwall face (21) with long arm (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210370969.2A CN114739343B (en) | 2022-04-11 | 2022-04-11 | Push rod ball head and rocker arm matching depth gauge in diesel engine valve mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210370969.2A CN114739343B (en) | 2022-04-11 | 2022-04-11 | Push rod ball head and rocker arm matching depth gauge in diesel engine valve mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114739343A true CN114739343A (en) | 2022-07-12 |
| CN114739343B CN114739343B (en) | 2024-05-28 |
Family
ID=82279175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210370969.2A Active CN114739343B (en) | 2022-04-11 | 2022-04-11 | Push rod ball head and rocker arm matching depth gauge in diesel engine valve mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114739343B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001082192A (en) * | 1999-09-20 | 2001-03-27 | Unisia Jecs Corp | Control position detecting device for variable valve system of internal combustion engine |
| CN104033201A (en) * | 2014-07-07 | 2014-09-10 | 广西玉柴机器股份有限公司 | Rocker arm assembly of V-type engine |
| CN105317492A (en) * | 2015-11-27 | 2016-02-10 | 杭州新坐标科技股份有限公司 | Dual-oil way hydraulic gap adjuster for driving working condition conversion of valve rocker |
| CN106257236A (en) * | 2015-06-17 | 2016-12-28 | 华晨汽车集团控股有限公司 | A kind of method of conversed analysis internal combustion engine hydraulic tappet position |
| CN107091629A (en) * | 2016-02-17 | 2017-08-25 | 北京福田康明斯发动机有限公司 | Engine valve clearance measuring mechanism and measuring method |
| CN208220854U (en) * | 2018-05-31 | 2018-12-11 | 浙江康和机械科技有限公司 | A kind of hydraulic lash adjusting rocker structure |
| CN208398833U (en) * | 2018-06-03 | 2019-01-18 | 重庆业达机械制造有限公司 | A kind of rocker arm cubing |
| CN110315330A (en) * | 2019-07-24 | 2019-10-11 | 北京泰诚信数字化技术有限公司 | A kind of adjustment device |
| CN212378736U (en) * | 2020-07-24 | 2021-01-19 | 江苏仕一诚机电科技有限公司 | Automobile component rocker arm and volute gap measuring equipment |
| CN214843109U (en) * | 2021-05-27 | 2021-11-23 | 成都市三宇电子机械有限公司 | Rocker arm clearance detection tool |
| US20220042793A1 (en) * | 2020-04-26 | 2022-02-10 | China University Of Mining And Technology | Device and method for detecting angle of shearer rocker arm based on optical fiber sensing |
-
2022
- 2022-04-11 CN CN202210370969.2A patent/CN114739343B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001082192A (en) * | 1999-09-20 | 2001-03-27 | Unisia Jecs Corp | Control position detecting device for variable valve system of internal combustion engine |
| CN104033201A (en) * | 2014-07-07 | 2014-09-10 | 广西玉柴机器股份有限公司 | Rocker arm assembly of V-type engine |
| CN106257236A (en) * | 2015-06-17 | 2016-12-28 | 华晨汽车集团控股有限公司 | A kind of method of conversed analysis internal combustion engine hydraulic tappet position |
| CN105317492A (en) * | 2015-11-27 | 2016-02-10 | 杭州新坐标科技股份有限公司 | Dual-oil way hydraulic gap adjuster for driving working condition conversion of valve rocker |
| CN107091629A (en) * | 2016-02-17 | 2017-08-25 | 北京福田康明斯发动机有限公司 | Engine valve clearance measuring mechanism and measuring method |
| CN208220854U (en) * | 2018-05-31 | 2018-12-11 | 浙江康和机械科技有限公司 | A kind of hydraulic lash adjusting rocker structure |
| CN208398833U (en) * | 2018-06-03 | 2019-01-18 | 重庆业达机械制造有限公司 | A kind of rocker arm cubing |
| CN110315330A (en) * | 2019-07-24 | 2019-10-11 | 北京泰诚信数字化技术有限公司 | A kind of adjustment device |
| US20220042793A1 (en) * | 2020-04-26 | 2022-02-10 | China University Of Mining And Technology | Device and method for detecting angle of shearer rocker arm based on optical fiber sensing |
| CN212378736U (en) * | 2020-07-24 | 2021-01-19 | 江苏仕一诚机电科技有限公司 | Automobile component rocker arm and volute gap measuring equipment |
| CN214843109U (en) * | 2021-05-27 | 2021-11-23 | 成都市三宇电子机械有限公司 | Rocker arm clearance detection tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114739343B (en) | 2024-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201211630Y (en) | Bevel gear pitch circle positioning fixture | |
| CN204248507U (en) | The fixture of processing automobile gearbox balancing weight | |
| CN114505673B (en) | Air compressor main machine exhaust end screw clearance adjustment process | |
| CN114739343A (en) | Utensil is examined to push rod bulb and rocking arm cooperation degree of depth in diesel engine valve actuating mechanism | |
| CN105710685A (en) | Clamp for engine shell gear shaping process | |
| CN205066645U (en) | Adjacent recess interval measuring device of hole | |
| CN211452129U (en) | Machining part detection mechanism | |
| CN2382001Y (en) | Instrument for measuring finish bearings | |
| CN210062174U (en) | Bottom expanding and pressing forming device for special-shaped paper container | |
| CN112595199B (en) | Axle main pin hole inner sleeve detection mechanism | |
| CN206464782U (en) | A kind of constant velocity driving shaft assembly shaft block ring automatic press mounting frock | |
| CN108801121B (en) | Eccentricity detection method and device for secondary profiling press | |
| CN219810383U (en) | Measuring device for step depth of air valve hole of cylinder cover | |
| CN202461603U (en) | Calibrating and positioning device for perpendicularity between center line and outer end surface of coarsely or finely bored piston pin hole | |
| CN201645215U (en) | Positioning device for worm hole boring fixture | |
| CN2492700Y (en) | Automatic connection and locking mechanism between link rods for automatic elevated antenna rods | |
| CN216398121U (en) | Crank throw eccentric hole drill processing clamp | |
| CN220993636U (en) | Clamp suitable for double-end machining of central hole of shaft knuckle | |
| CN215697775U (en) | Coke oven door top pressure cylinder casting mold core | |
| CN113251892B (en) | High-precision belt pulley run-out testing fixture | |
| CN113579813B (en) | Double-sided sawing and milling machine tool for hub shaft end face of rear shaft assembly | |
| CN220323197U (en) | Connecting rod ball round pin vortex fault detection mechanism | |
| CN219607902U (en) | Measuring device for measuring distance from center of two holes to plane | |
| CN219075000U (en) | High-precision positioning and clamping device for turbocharger shell | |
| CN213970921U (en) | Torque measuring wrench converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |