CN204831233U - Flexible measuring device of plunger chute - Google Patents
Flexible measuring device of plunger chute Download PDFInfo
- Publication number
- CN204831233U CN204831233U CN201520255682.0U CN201520255682U CN204831233U CN 204831233 U CN204831233 U CN 204831233U CN 201520255682 U CN201520255682 U CN 201520255682U CN 204831233 U CN204831233 U CN 204831233U
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- Prior art keywords
- spring
- plunger
- hole
- cloudy
- pull bar
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a flexible measuring device of plunger chute includes the base, cloudy top fixed establishment and positive top fixed establishment, the gauge stand, positioning seat and measuring mechanism, the measuring mechanism includes the pull rod, the elastic mechanism, the measuring stick, pull rod apron and stop gear, the pull rod hole is the two -stage hole, second grade pull rod hole is connected with the pull rod, pull rod one end and measurement contact connection, be equipped with the measuring aperture on the other end, the elastic mechanism includes first spring and second spring, the coefficient of elasticity of second spring is greater than first spring, the measuring stick lower extreme is equipped with the conical surface, stop gear includes turning handle and spacing post, turning handle one end and positive top seat pin hub connection. Compared with the prior art, this measuring device is carrying out the fixed back of plunger, the wheel measuring head, and its lower extreme is in measurement process and the contact of chute sideline to on being positioned the measuring point according to stop gear, measurement accuracy is high, simultaneously, only need the spinning movement alright accomplish the location of measuring position and triggering of meter, easy and simple to handle, the work efficiency height.
Description
Technical field
The utility model relates to the plunger manufacturing technology field of injection pump, is specifically related to a kind of plunger skewed slot flexible measuring device.
Background technology
Ram pump is the core parts controlling fuel feeding moment and fuel delivery in diesel engine fuel injection system, ram pump produces charge oil pressure and oil suction pressure by the motion of plunger in plunger bushing, therefore, plunger per pass manufacturing procedure and detect and all need to ensure certain precision.Plunger skewed slot is the important feature controlling fuel injector oil injection time, because plunger skewed slot exists certain mismachining tolerance, the skewed slot measurement mechanism of prior art is when measuring, first position ram, the sounding rod of measuring mechanism is manually depressed into skewed slot sideline, and then start automatic measurement mechanism measurement, complex operation, and general measure point is on the skewed slot sideline maximum with oil injection time relationship degree, the sounding rod of prior art is easily because the raised points measured on skewed slot inwall causes measuring accuracy low, and its by clamping column beyond the Great Wall circle position, easily cause location inaccurate, so that reduce measuring accuracy.
Utility model content
The purpose of this utility model is to overcome problems of the prior art, the plunger skewed slot flexible measuring device providing a kind of measuring accuracy high, easy and simple to handle.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of plunger skewed slot flexible measuring device, comprising:
Base;
Be located at the top fixed mechanism of the moon on base and the top fixed mechanism of sun, cloudy top fixed mechanism and the top fixed mechanism of sun are respectively from plunger two ends elastic clamping plunger, and positive top fixed mechanism comprises positive dead head;
For the gauge stand of fixation measuring table, be fixed on base, which is provided with meter pilot hole and the meter fixed orifice vertical with meter pilot hole;
Contact the positioning seat of locating with plunger flat horizontal surface, be fixed on base, it comprises and contacts with plunger flat horizontal surface the plane of orientation connected;
Be located at the measuring mechanism on positive dead head, comprise pull bar, elastic mechanism, sounding rod, pull bar cover plate and position-limit mechanism;
Wherein, pull bar is arranged in the tie rod hole of positive dead head, tie rod hole is two-stage tie rod hole, one section near meter is one-level tie rod hole, another section is secondary tie rod hole, secondary tie rod hole is connected with pull bar transition fit, pull bar cover plate is covered on one-level tie rod hole aperture, pull bar is provided with the spring retainer boss being positioned at tie rod hole, one end of pull bar is connected with the contact of meter, the other end of pull bar is provided with the measured hole perpendicular to pull bar axis, and pull bar other end end face is provided with the measurement fixed orifice be communicated with measured hole, measures fixed orifice perpendicular to measured hole;
Wherein, elastic mechanism comprises is located at the first spring in one-level tie rod hole and the second spring, the end face of the first spring is connected with the side of spring retainer boss, the side of spring retainer boss is the side near meter, the end face of the second spring is connected with the opposite side of spring retainer boss, and the elasticity coefficient of the second spring is greater than the elasticity coefficient of the first spring;
Wherein, sounding rod is arranged in measured hole, and is fixed by the first gib screw be threaded with measurement fixed orifice, and sounding rod lower end is provided with the conical surface;
Wherein, position-limit mechanism comprises and strains at the turning handle and limited post that bar one end is fixedly connected with, and turning handle one end and positive dead head pinned connection, limited post is positioned at turning handle side.
Further, cloudy top fixed mechanism comprise the moon in the pilot hole on cloudy dead head, the cloudy dead head of insertion top, be covered on cloudy cover plate on pilot hole aperture and the cloudy top cloudy spring of resiliency supported, the movable span aperture on cloudy cover plate is stretched out in cloudy top one end, and this one end is provided with the cone tank adapted with the stopper head conical surface, between cloudy spring housing is arranged at the bottom of the cloudy top other end and pilot hole hole.
Further, the top fixed mechanism of sun also comprise sun in the Blind locating holes being plugged in positive dead head top, cover the blind hole cover plate and the positive spring top with supporting sun that are located on Blind locating holes aperture, sun spring is located in Blind locating holes, the top upper end face near plunger of sun is provided with the cone centre adapted with plunger center pit, blind hole cover plate be provided with stretch out for cone centre stretch out hole, the central axis conllinear of cone tank and cone centre, the one side near plunger on blind hole cover plate is provided with positioning boss.
Further, the elasticity coefficient of cloudy spring is greater than the elasticity coefficient of positive spring.
Compared with prior art, plunger skewed slot flexible measuring device of the present utility model carry out plunger comprehensive fixing after, measurement point is found by wheel measuring head, measuring head lower end contacts with skewed slot sideline all the time in measuring process, and is accurately positioned on measurement point according to position-limit mechanism, and therefore measuring accuracy is high, simultaneously, only need rotate This move just can complete the location of measuring position and the triggering of meter, and easy and simple to handle, work efficiency is high; This measuring mechanism also can be made to be applicable to various plunger skewed slot by regulating measuring head to measure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, base, 2, cloudy top fixed mechanism, 21, cloudy dead head, 22, cloudy spring, 23, cloudy top, 3, plunger, 4, positive dead head, 5, gauge stand, 6, sounding rod, 7, pull bar, 8, pull bar cover plate, 9, meter, 10, the first spring, the 11, second spring, the 12, first gib screw, the 13, second gib screw, 14, position-limit mechanism, 141, turning handle, 142, fixed pin shaft, 15, limited post, 16, sun is top, and 17, blind hole cover plate, 18, positive spring, 19, positioning seat.
Embodiment
As shown in Figure 1, a kind of plunger skewed slot flexible measuring device of the present utility model, comprising:
Base 1;
Be located at the top fixed mechanism of the moon 2 on base 1 and the top fixed mechanism of sun, cloudy top fixed mechanism 2 and the top fixed mechanism of sun are respectively from plunger 3 two ends elastic clamping plunger 3, and positive top fixed mechanism comprises positive dead head 4;
For the gauge stand 5 of fixation measuring table 9, be fixed on base 1, which is provided with meter pilot hole and the meter fixed orifice vertical with meter pilot hole;
Contact the positioning seat 19 of locating with plunger 3 flat horizontal surface, be fixed on base 1, it comprises and contacts with plunger 3 flat horizontal surface the plane of orientation connected;
Be located at the measuring mechanism on positive dead head 4, comprise pull bar 7, elastic mechanism, sounding rod 6, pull bar cover plate 8 and position-limit mechanism;
Wherein, pull bar 7 is arranged in the tie rod hole of positive dead head 4, tie rod hole is two-stage tie rod hole, one section near meter 9 is one-level tie rod hole, another section is secondary tie rod hole, secondary tie rod hole is connected with pull bar 7 transition fit, pull bar cover plate 8 is covered on one-level tie rod hole aperture, pull bar 7 is provided with the spring retainer boss being positioned at tie rod hole, one end of pull bar 7 is connected with the contact of meter 9, the other end of pull bar 7 is provided with the measured hole perpendicular to pull bar 7 axis, pull bar 7 other end end face is provided with the measurement fixed orifice be communicated with measured hole, measure fixed orifice perpendicular to measured hole,
Wherein, elastic mechanism comprises the first spring 10 and the second spring 11 be located in one-level tie rod hole, the end face of the first spring 10 is connected with the side of spring retainer boss, the side of spring retainer boss is the side near meter 9, the end face of the second spring 11 is connected with the opposite side of spring retainer boss, and the elasticity coefficient of the second spring 11 is greater than the elasticity coefficient of the first spring 10;
Wherein, sounding rod 6 is arranged in measured hole, and by with measure the first gib screw 12 of being threaded of fixed orifice and fix, sounding rod 6 lower end is provided with to contact with the skewed slot sideline of plunger 3 and connects to carry out the conical surface detected;
Wherein, position-limit mechanism comprises the turning handle 141 and limited post 15 that are fixedly connected with pull bar 7 one end, turning handle 141 one end and positive dead head 4 pinned connection, limited post 15 is positioned at turning handle 141 side, when sounding rod 6 is positioned at measuring position, turning handle 141 contacts with limited post 15, and pull bar 7 cannot proceed to rotate.
Before a kind of plunger skewed slot flexible measuring device busy of the present utility model, length below measured hole can be stretched out according to plunger 3 exemplar adjustment sounding rod 6, to ensure that the sounding rod 6 lower end conical surface is connected with plunger 3 skewed slot, plunger 3 is clamped between cloudy top fixed mechanism 2 and the top fixed mechanism of sun, and pass through plane of orientation position ram 3 flat horizontal surface of positioning seat 19, in preventing skewed slot from measuring, plunger 3 rotates, when measuring, only need rotary motion handle 141, turning handle 141 drives pull bar 7 to rotate centered by fixed pin shaft 142, because plunger 3 is fixed, elastic mechanism drives sounding rod 6 lower end compress skewed slot sideline and rotate along it, pull bar 7 is under skewed slot sideline and elastic mechanism effect, produce displacement and feed back to be connected with its one end and measure contact, when turning to default measuring position, the limited post 15 of position-limit mechanism limits pull bar 7 and rotates further, just corresponding side size or tolerance value can be read by meter 9 now, therefore, plunger skewed slot flexible measuring device carry out plunger 3 comprehensive fixing after, find measurement point by wheel measuring head, measuring head lower end contacts with skewed slot sideline all the time in measuring process, and by rotating slowly near measurement point, and be accurately positioned on measurement point according to position-limit mechanism, therefore measuring accuracy is high, and meanwhile, only need rotate This move just can complete the location of measuring position and the triggering of meter 9, easy and simple to handle, work efficiency is high, this measuring mechanism also can be made to be applicable to various plunger 3 skewed slot by regulating measuring head to measure.
As further preferred technical scheme, the moon in the pilot hole that cloudy top fixed mechanism 2 comprises cloudy dead head 21, insert on cloudy dead head 21 is top 23, be covered on the cloudy spring 22 of cloudy cover plate on pilot hole aperture and resiliency supported cloudy top 23, the movable span aperture on cloudy cover plate is stretched out in one end of cloudy top 23, and this one end is provided with the cone tank adapted with plunger 3 nose cone face, between cloudy spring 22 cover is arranged at the bottom of cloudy top 23 other ends and pilot hole hole.
More preferred technical scheme, the top fixed mechanism of sun also comprises the sun top 16 in the Blind locating holes being plugged in positive dead head 4, the blind hole cover plate 17 that lid is located on Blind locating holes aperture and the positive spring 18 with support sun top 16, sun spring 18 is located in Blind locating holes, end face near plunger 3 on sun top 16 is provided with the cone centre adapted with plunger 3 center pit, blind hole cover plate 17 be provided with stretch out for cone centre stretch out hole, the central axis conllinear of cone tank and cone centre, one side near plunger 3 on blind hole cover plate 17 is provided with positioning boss, be convenient to locate bottom plunger 3.
Highly preferred technical scheme, pilot hole and Blind locating holes central axis conllinear, the elasticity coefficient of cloudy spring 22 is greater than the elasticity coefficient of positive spring 18, positions so that plunger 3 ground is adjacent to positioning boss reliably.
Above embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model scope change and improve, and all should still belong within this patent covering scope.
Claims (4)
1. a plunger skewed slot flexible measuring device, is characterized in that, comprising:
Be located at the top fixed mechanism of the moon (2) on base (1) and the top fixed mechanism of sun, cloudy top fixed mechanism (2) and the top fixed mechanism of described sun are respectively from plunger (3) two ends elastic clamping plunger (3), and positive top fixed mechanism comprises positive dead head (4);
For the gauge stand (5) of fixation measuring table (9), gauge stand (5) is fixed on base (1), which is provided with meter pilot hole and the meter fixed orifice vertical with meter pilot hole;
Contact the positioning seat (19) of locating with plunger (3) flat horizontal surface, be fixed on base (1), it comprises and contacts with plunger (3) flat horizontal surface the plane of orientation connected;
Be located at the measuring mechanism on described positive dead head (4), comprise pull bar (7), elastic mechanism, sounding rod (6), pull bar cover plate (8) and position-limit mechanism;
Wherein, pull bar (7) is arranged in the tie rod hole of positive dead head (4), described tie rod hole is two-stage tie rod hole, one section near meter (9) is one-level tie rod hole, another section is secondary tie rod hole, described secondary tie rod hole is connected with pull bar (7) transition fit, pull bar cover plate (8) is covered on described one-level tie rod hole aperture, pull bar (7) is provided with the spring retainer boss being positioned at described tie rod hole, one end of pull bar (7) is connected with the contact of meter (9), the other end of pull bar (7) is provided with the measured hole perpendicular to pull bar (7) axis, pull bar (7) other end end face is provided with the measurement fixed orifice be communicated with described measured hole, described measurement fixed orifice is perpendicular to described measured hole,
Wherein, described elastic mechanism comprises is located at the first spring (10) in described one-level tie rod hole and the second spring (11), the end face of the first spring (10) is connected with the side of described spring retainer boss, the side of described spring retainer boss is the side near meter (9), the end face of the second spring (11) is connected with the opposite side of described spring retainer boss, and the elasticity coefficient of described second spring (11) is greater than the elasticity coefficient of the first spring (10);
Wherein, sounding rod (6) is arranged in described measured hole, and is fixed by the first gib screw (12) be threaded with described measurement fixed orifice, and sounding rod (6) lower end is provided with the conical surface;
Wherein, described position-limit mechanism comprises and strains at the turning handle (141) and limited post (15) that bar (7) one end is fixedly connected with, described turning handle (141) one end and positive dead head (4) pinned connection, limited post (15) is positioned at turning handle (141) side.
2. a kind of plunger skewed slot flexible measuring device according to claim 1, it is characterized in that: the top fixed mechanism of described the moon (2) comprises cloudy dead head (21), insertion is positioned at the moon top (23) of the pilot hole on cloudy dead head (21), be covered on the cloudy spring (22) of cloudy cover plate on described pilot hole aperture and resiliency supported the moon top (23), the movable span aperture on described cloudy cover plate is stretched out in the one end of cloudy top (23), and this one end is provided with the cone tank adapted with plunger (3) nose cone face, between cloudy spring (22) cover is arranged at the bottom of cloudy top (23) other end and described pilot hole hole.
3. a kind of plunger skewed slot flexible measuring device according to claim 2, it is characterized in that: the top fixed mechanism of described sun also comprises the sun top (16) being plugged in the Blind locating holes be positioned on described positive dead head (4), the blind hole cover plate (17) that lid is located on described Blind locating holes aperture and the positive spring (18) with support sun top (16), sun spring (18) is located in described Blind locating holes, the upper end face near plunger (3) of sun top (16) is provided with the cone centre adapted with plunger (3) center pit, blind hole cover plate (17) be provided with stretch out for described cone centre stretch out hole, the central axis conllinear of described cone tank and described cone centre, the upper one side near plunger (3) of blind hole cover plate (17) is provided with positioning boss.
4. a kind of plunger skewed slot flexible measuring device according to claim 3, is characterized in that: the elasticity coefficient of described cloudy spring (22) is greater than the elasticity coefficient of positive spring (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255682.0U CN204831233U (en) | 2015-04-24 | 2015-04-24 | Flexible measuring device of plunger chute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255682.0U CN204831233U (en) | 2015-04-24 | 2015-04-24 | Flexible measuring device of plunger chute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204831233U true CN204831233U (en) | 2015-12-02 |
Family
ID=54688825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520255682.0U Expired - Fee Related CN204831233U (en) | 2015-04-24 | 2015-04-24 | Flexible measuring device of plunger chute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204831233U (en) |
-
2015
- 2015-04-24 CN CN201520255682.0U patent/CN204831233U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20190424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |