CN103759619A - Lower cylinder hole chamber detection device of engine cylinder - Google Patents
Lower cylinder hole chamber detection device of engine cylinder Download PDFInfo
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- CN103759619A CN103759619A CN201310750219.9A CN201310750219A CN103759619A CN 103759619 A CN103759619 A CN 103759619A CN 201310750219 A CN201310750219 A CN 201310750219A CN 103759619 A CN103759619 A CN 103759619A
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- hole
- cylinder hole
- chamfering
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- gauge head
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a lower cylinder hole chamber detection device of an engine cylinder. The lower cylinder hole chamber detection device of the engine cylinder comprises a base, a measuring bar and a measuring head, wherein the base is rotationally arranged at the top face of a cylinder hole, a step through hole is formed in the base, and a sleeve of a dial gauge is fixed to the upper end of the step through hole; the measuring bar is tightly matched with the step through hole of the base in a sliding mode, the upper end of the measuring bar abuts against a gauge outfit of the dial gauge, a first limiting groove is formed in the measuring bar, a measuring bar screw hole is formed in the side wall of the base, and after a bolt penetrates through the measuring bar screw hole, the end of the bolt is contained in the first limiting groove to be limited; the measuring head is fixedly connected to the lower end of the measuring bar, the lower end of the measuring head is provided with a chamber slope used for measuring a lower cylinder hole chamber, the measuring head is driven by the base to rotate, and when the depth of the lower cylinder hole chamber is increased or decreased, the measuring head and the measuring bar descend or ascend, and a pointer of the dial gauge is driven to rotate. The measuring head is driven by the base to rotate so that the lower cylinder hole chamber can be measured, errors caused by the fact that the end face of the chamber serves as a datum plane are avoided, and the accuracy of measurement is improved.
Description
Technical field
The present invention relates to engine art, particularly cylinder Hole chamfering pick-up unit under a kind of engine cylinder-body.
Background technology
Under engine cylinder-body, the orifice chamfer in cylinder hole is bigger than normal or less than normal all can exert an influence to the sealing of cylinder sleeve O RunddichtringO, may make engine cooling water infiltrate in machine oil, affect the performance of engine, therefore, the orifice chamfer degree of depth (distance between the chamfering end face of Yu Xiagang hole, chamfering lower end entrance) in the lower cylinder of control hole is most important.In prior art, often use the degree of depth of vernier caliper measurement chamfering, still, because the chamfering end face of lower cylinder hole entrance is black skin, and the inside of the chamfering in lower cylinder hole in cylinder body center, narrow space, is difficult to vernier caliper location, and the accuracy of therefore measuring is difficult to guarantee.
Summary of the invention
The present invention is in order to overcome defect in above-mentioned prior art, by the measurement mechanism with cylinder hole end face and lower cylinder Hole chamfering adaptation, and utilizes dial gauge accurately to show that whether lower cylinder Hole chamfering is qualified to determine lower cylinder Hole chamfering with respect to the deviation of measurement mechanism.
For achieving the above object, the invention provides cylinder Hole chamfering pick-up unit under a kind of engine cylinder-body, comprise measurement mechanism, measurement mechanism comprises: pedestal, its rotation is arranged on the end face in cylinder hole, and pedestal is provided with step through-hole, and the upper end of step through-hole is the sleeve of dial gauge fixedly; Measuring staff, the step through-hole of itself and pedestal is tightly slidably matched, and the measuring head butt of the upper end of measuring staff and dial gauge, measuring staff is provided with the first stopper slot, the sidewall of pedestal is provided with measuring staff screw, and bolt is through after measuring staff screw, the end of bolt be contained in the first stopper slot, carry out spacing; Gauge head, it is fixedly connected on the lower end of measuring staff, and the lower end of gauge head is provided with for measuring the chamfering inclined-plane of lower cylinder Hole chamfering, by pedestal, drive gauge head to rotate, when the degree of depth of cylinder Hole chamfering increases or reduces instantly, gauge head, measuring staff decline or rise, and drive the pointer of dial gauge to rotate.By pedestal, drive gauge head to rotate to measure lower cylinder Hole chamfering, the error of avoiding take the end face of chamfering to cause as basal plane, improves the accuracy of measuring.
In technique scheme, pedestal comprises regulator, and the upper end of regulator is the sleeve of dial gauge fixedly, and the lower end of regulator is provided with outstanding spring pedestal, and measuring staff is provided with First terrace, and between step surface and spring pedestal, sandwiched prevents the spring of measuring staff and regulator collision.Spring plays cushioning effect to moving up and down of measuring staff, is convenient to the beat of pointer situation that gauger observes dial gauge.
In technique scheme, pedestal also comprises the orienting sleeve that is fixedly connected on regulator lower end, the lower end of orienting sleeve is provided with collar flange, on the outer wall of orienting sleeve, form second step face, when pedestal is arranged on cylinder hole, collar flange is contained in the cylinder hole seam in cylinder hole, the end face butt in second step face and cylinder hole.The mounting means in orienting sleeve and cylinder hole guarantees that orienting sleeve rotates with cylinder hole is concentric, improves the accuracy of measuring.
In technique scheme, dial gauge is fixed on the upper end of regulator by tong-test ammeter cover, and tong-test ammeter puts and is provided with stopper slot, and the sidewall of pedestal is provided with tong-test ammeter cover screw, bolt through tong-test ammeter cover screw after, the end of bolt be contained in stopper slot, carry out spacing.The cooperation of stopper slot and tong-test ammeter cover screw makes the driving torque of regulator pass to well dial gauge, for Measurement accuracy provides safeguard.
In technique scheme, pick-up unit also comprises the calibration assemblies of calibrating measuring device, its top is provided with the gauge head via hole passing through for gauge head, the bottom inside of calibration assemblies is provided with the first chamfering, gauge head is placed on the bottom of calibration assemblies through gauge head via hole, and the chamfering inclined-plane of gauge head is placed in the first chamfering; The collar flange of orienting sleeve is contained in gauge head via hole, and the laminating of the end face of second step face and gauge head via hole.Calibration assemblies is the dial gauge zeroing of measurement mechanism, for cylinder Hole chamfering under Measurement accuracy provides measuring basis.
Accompanying drawing explanation
Fig. 1 is measurement mechanism structural drawing of the present invention;
Fig. 2 is measuring staff structural drawing of the present invention;
Fig. 3 is regulator structural drawing of the present invention;
Fig. 4 is guide sleeve structure figure of the present invention;
Fig. 5 is calibration assemblies structural drawing of the present invention;
Fig. 6 is the assembly drawing of calibration assemblies of the present invention and measurement mechanism;
Fig. 7 is the cut-open view of Fig. 6.
Mark the following drawings mark thereon by reference to the accompanying drawings:
1-measuring staff, 11-First terrace, 12-end, 13-flange, 131-the first threaded hole, 14-the first stopper slot, 15-path section, 2-gauge head, 3-spring, 4-regulator, hole, the large footpath of 41-, 42-diameter holes, 43-tong-test ammeter cover screw, 44-measuring staff screw, 45-spring pedestal, 46-the second threaded hole, 5-tong-test ammeter cover, 6-dial gauge, 7-orienting sleeve, 72-through hole, 73-the 3rd threaded hole, 74-second step face, 75-collar flange, 8-calibration assemblies, 81-locating sleeve, 811-gauge head via hole, 82-guide pin bushing, 83-calibrates cover, 831-gauge head placement hole, 832-the first chamfering, 9-cylinder hole, 91-cylinder hole seam, cylinder hole under 92-, cylinder Hole chamfering under 921-.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of embodiment.
As shown in Figure 1, under engine cylinder-body of the present invention, cylinder Hole chamfering pick-up unit comprises measurement mechanism and calibration assemblies 8, and measurement mechanism comprises measuring staff 1, gauge head 2, dial gauge 6 and the pedestal consisting of orienting sleeve 7 and regulator 4.
As shown in Figure 2, measuring staff 1 is provided with First terrace 11, and measuring staff 1 is divided into path section 15 and large footpath section, near the end 12 of large footpath section, is provided with flange 13, flange 13 is provided with the first threaded hole 131 being threaded with orienting sleeve 7, is provided with the first stopper slot 14 in path section 15.
As shown in Figure 1,3, regulator 4 is provided with the step through-hole consisting of hole 41, large footpath and diameter holes 42, the top in hole, large footpath 41 is fixed with tong-test ammeter cover 5, the sidewall of regulator 4 is provided with the tong-test ammeter cover screw 43 vertical with its axis, the sidewall of tong-test ammeter cover 5 is provided with stopper slot, bolt through tong-test ammeter cover screw 43 after, its end is contained in the stopper slot of tong-test ammeter cover 5 tong-test ammeter cover is fixed in regulator 4.In like manner, on the sidewall of regulator 4, be also provided with the measuring staff screw 44 corresponding with the first stopper slot 14 of measuring staff 1, prevent that measuring staff 1 from skidding off the diameter holes 42 of regulator 4, simultaneously when rotating regulator 4 to measuring staff 2 transmitting torques.As shown in Fig. 1,3,4, the lower end of regulator 4 is threaded with orienting sleeve 7 with the 3rd threaded hole 73 of orienting sleeve 7 by the second threaded hole 46.As shown in Figure 1,3, the lower end of regulator 4 is provided with outstanding spring pedestal 45.
As shown in Figure 4, the lower end of orienting sleeve 7 is provided with collar flange 75, makes the outer wall of orienting sleeve 7 form second step face 74, and orienting sleeve 7 is provided with up-small and down-big step through-hole 72.As shown in Figure 1, after regulator 4 is fixedly connected with orienting sleeve 7, the spring pedestal 45 of regulator 4 is arranged in the through hole 72 of orienting sleeve 7, the path section 15 of measuring staff 1 penetrates in the diameter holes 42 of regulator 4 and forms and be tightly slidably matched, spring 3 is connected to guarantees measuring staff 1 flexible motion between First terrace 11 and spring pedestal 45, and mutually do not collide with orienting sleeve, moving up and down of measuring staff played to cushioning effect, be convenient to the beat of pointer situation that gauger observes dial gauge.Meanwhile, the sleeve of dial gauge 6 is installed in the through hole of tong-test ammeter cover 5, the measuring head of dial gauge 6 is connected to the upper end of the path section 15 of measuring staff 1.
As shown in Figure 1, on the end 12 of measuring staff 1, by the first threaded hole 131, be fixedly connected with gauge head 2, end 12 is contained in the through hole of gauge head 2.The lower end of gauge head 2 is provided with for measuring the chamfering inclined-plane of lower cylinder Hole chamfering 921, guarantees the concentricity in measurement mechanism and cylinder hole, ensures the accuracy of measuring.
Calibration assemblies 8 as shown in Figure 5 for calibrating measurement mechanism before measuring.Calibration assemblies 8 comprises locating sleeve 81, guide pin bushing 82 and calibration cover 83.Locating sleeve 81 is provided with the gauge head via hole 811 passing for gauge head 2, and calibration cover 83 is provided with the gauge head placement hole 831 coaxial with gauge head via hole 811, and the upper end of gauge head placement hole is provided with the first chamfering 831, for placing the chamfering inclined-plane of gauge head 2.Between locating sleeve 81 and guide pin bushing 82, be threaded connection and be fixed together respectively between calibration cover 83 and guide pin bushing 82.Calibration assemblies the adjustment that facilitates measurement mechanism is set, for the accuracy of measuring provides benchmark.
As shown in Figure 6,7, during calibrating measuring device, gauge head 2 is placed in gauge head placement hole 831 through gauge head via hole 811, the chamfering inclined-plane of gauge head 2 is placed in the first chamfering 832, the collar flange 75 of orienting sleeve 7 is contained in gauge head via hole 811, and second step face 74 is fitted with the end face of locating sleeve 81, be then dial gauge 6 zeroings.
As shown in Figure 1, while detecting the chamfering in lower cylinder hole, gauge head 2 is successively through being placed on the lower cylinder Hole chamfering 921 of 92 porch, lower cylinder hole after the cylinder hole seam 91 in cylinder hole 9, upper cylinder half hole, water channel hole, the collar flange 75 of orienting sleeve 7 is contained in cylinder hole seam 91, and second step face 74 is fitted with the upper surface (being the end face in cylinder hole 9) of cylinder hole seam 91.In a circumferential direction, if when the inside surface of lower cylinder Hole chamfering 921 changes, as depth of chamfering increases, the distance H of the bottom of lower cylinder Hole chamfering and cylinder hole end face increases, and gauge head 2 declines thereupon, and the pointer of dial gauge 6 is changed.Otherwise in like manner.
The method of measuring lower cylinder Hole chamfering with cylinder Hole chamfering pick-up unit under engine cylinder-body of the present invention comprises the steps:
First, the relevant moving component of check measurement device, guarantees that it turns round flexibly, otherwise maintenance cubing;
Secondly, by calibration assemblies, the dial gauge of measurement mechanism is returned to zero;
Then, with pressurized air or clean rag, clean out on cylinder body for installing and measuring the position of device;
Finally, measurement mechanism is positioned in cylinder body gently, with have gentle hands, press regulator, guarantee orienting sleeve end face and the laminating of cylinder hole end face, then rotating regulator makes measurement mechanism around center rotating one circle in lower cylinder hole, observe the beat of pointer scope of dial gauge simultaneously, judge whether to exceed the margin tolerance of H, to determine whether lower cylinder Hole chamfering meets technological requirement.
The present invention utilizes the rotation of pedestal, measuring staff and gauge head to measure the chamfering in lower cylinder hole, and avoiding the end face of following cylinder Hole chamfering is the uncertainty that basal plane measurement brings, and has reduced measuring error, has improved the accuracy of measuring.
Disclosed is above only a specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (5)
1. a cylinder Hole chamfering pick-up unit under engine cylinder-body, is characterized in that, comprise measurement mechanism, described measurement mechanism comprises:
Pedestal, its rotation is arranged on the end face in cylinder hole, and described pedestal is provided with step through-hole, and the upper end of described step through-hole is the sleeve of dial gauge fixedly;
Measuring staff, the step through-hole of itself and described pedestal is tightly slidably matched, and the measuring head butt of the upper end of described measuring staff and described dial gauge, described measuring staff is provided with the first stopper slot, the sidewall of described pedestal is provided with measuring staff screw, bolt is through after described measuring staff screw, the end of described bolt be contained in described the first stopper slot, carry out spacing;
Gauge head, it is fixedly connected on the lower end of described measuring staff, and the lower end of described gauge head is provided with for measuring the chamfering inclined-plane of lower cylinder Hole chamfering, by described pedestal, drive described gauge head to rotate, when the degree of depth of described lower cylinder Hole chamfering increases or reduces, described gauge head, described measuring staff decline or rise, and drive the pointer of described dial gauge to rotate.
2. cylinder Hole chamfering pick-up unit under engine cylinder-body according to claim 1, it is characterized in that, described pedestal comprises regulator, the sleeve of the fixing described dial gauge in upper end of described regulator, the lower end of described regulator is provided with outstanding spring pedestal, described measuring staff is provided with First terrace, and between described step surface and described spring pedestal, sandwiched prevents the spring of described measuring staff and the collision of described regulator.
3. cylinder Hole chamfering pick-up unit under engine cylinder-body according to claim 2, it is characterized in that, described pedestal also comprises the orienting sleeve that is fixedly connected on described regulator lower end, the lower end of described orienting sleeve is provided with collar flange, on the outer wall of described orienting sleeve, form second step face, when described pedestal is arranged on described cylinder hole, described collar flange is contained in the cylinder hole seam in described cylinder hole, the end face butt in described second step face and described cylinder hole.
4. cylinder Hole chamfering pick-up unit under engine cylinder-body according to claim 3, it is characterized in that, described dial gauge is fixed on the upper end of described regulator by tong-test ammeter cover, described tong-test ammeter puts and is provided with stopper slot, the sidewall of described pedestal is provided with tong-test ammeter cover screw, bolt through described tong-test ammeter cover screw after, the end of described bolt be contained in described stopper slot, carry out spacing.
5. cylinder Hole chamfering pick-up unit under engine cylinder-body according to claim 4, it is characterized in that, described pick-up unit also comprises the calibration assemblies of calibrating described measurement mechanism, its top is provided with the gauge head via hole passing through for described gauge head, the bottom inside of described calibration assemblies is provided with the first chamfering, described gauge head is placed on the bottom of described calibration assemblies through described gauge head via hole, and the described chamfering inclined-plane of described gauge head is placed in described the first chamfering; The described collar flange of described orienting sleeve is contained in described gauge head via hole, and the laminating of the end face of described second step face and described gauge head via hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750219.9A CN103759619A (en) | 2013-12-31 | 2013-12-31 | Lower cylinder hole chamber detection device of engine cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750219.9A CN103759619A (en) | 2013-12-31 | 2013-12-31 | Lower cylinder hole chamber detection device of engine cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN103759619A true CN103759619A (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310750219.9A Pending CN103759619A (en) | 2013-12-31 | 2013-12-31 | Lower cylinder hole chamber detection device of engine cylinder |
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| Country | Link |
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| CN (1) | CN103759619A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917559A (en) * | 2018-07-26 | 2018-11-30 | 广西玉柴机器股份有限公司 | A kind of simple big Hole chamfering measuring tool |
| CN109341494A (en) * | 2018-12-04 | 2019-02-15 | 四川凌峰航空液压机械有限公司 | The quickly device of detection inner bore chamfering depth |
| CN114791250A (en) * | 2021-01-25 | 2022-07-26 | 北京福田康明斯发动机有限公司 | Utensil is examined in downthehole chamfer height measurement |
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| CN102032856A (en) * | 2010-11-27 | 2011-04-27 | 玉环普天单向器有限公司 | Testing device for gear radial chamfers |
| CN102721344A (en) * | 2012-06-30 | 2012-10-10 | 长城汽车股份有限公司 | Cone runout detection device and cone runout detection method |
| CN102980487A (en) * | 2012-11-16 | 2013-03-20 | 无锡麦铁精密机械制造有限公司 | Turbine casing depth detection tool |
| CN203629525U (en) * | 2013-12-31 | 2014-06-04 | 广西玉柴机器股份有限公司 | An engine cylinder body lower cylinder aperture chamfer detection apparatus |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3829979A (en) * | 1972-06-09 | 1974-08-20 | D Stewart | Valve clearance measuring apparatus |
| CN2835943Y (en) * | 2005-10-27 | 2006-11-08 | 江苏太平洋精密锻造有限公司 | Measuring tool for measuring size of inner hole chamfer |
| CN101403599A (en) * | 2007-12-19 | 2009-04-08 | 奇瑞汽车股份有限公司 | Depth detection apparatus |
| CN201488692U (en) * | 2009-07-15 | 2010-05-26 | 孙建勇 | Special angle measuring apparatus |
| CN201688813U (en) * | 2010-05-31 | 2010-12-29 | 广东鸿特精密技术股份有限公司 | Measuring device for detecting depths of chamfer and fillet |
| CN102032856A (en) * | 2010-11-27 | 2011-04-27 | 玉环普天单向器有限公司 | Testing device for gear radial chamfers |
| CN102721344A (en) * | 2012-06-30 | 2012-10-10 | 长城汽车股份有限公司 | Cone runout detection device and cone runout detection method |
| CN102980487A (en) * | 2012-11-16 | 2013-03-20 | 无锡麦铁精密机械制造有限公司 | Turbine casing depth detection tool |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917559A (en) * | 2018-07-26 | 2018-11-30 | 广西玉柴机器股份有限公司 | A kind of simple big Hole chamfering measuring tool |
| CN108917559B (en) * | 2018-07-26 | 2024-05-03 | 广西玉柴机器股份有限公司 | Simple and easy macroporous chamfer measuring tool |
| CN109341494A (en) * | 2018-12-04 | 2019-02-15 | 四川凌峰航空液压机械有限公司 | The quickly device of detection inner bore chamfering depth |
| CN114791250A (en) * | 2021-01-25 | 2022-07-26 | 北京福田康明斯发动机有限公司 | Utensil is examined in downthehole chamfer height measurement |
| CN114791250B (en) * | 2021-01-25 | 2024-01-19 | 北京福田康明斯发动机有限公司 | Hole inner chamfer height measurement gauge |
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Application publication date: 20140430 |