CN105180772B - Diesel engine meshing gear backlash measurement apparatus and method - Google Patents
Diesel engine meshing gear backlash measurement apparatus and method Download PDFInfo
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- CN105180772B CN105180772B CN201510210686.1A CN201510210686A CN105180772B CN 105180772 B CN105180772 B CN 105180772B CN 201510210686 A CN201510210686 A CN 201510210686A CN 105180772 B CN105180772 B CN 105180772B
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Abstract
The invention discloses a kind of diesel engine meshing gear backlash measurement apparatus and method, including straight-bar, bent rod, several connecting bolts, dial gauge and magnet base, reference screw is fixed on the axis at cooling water pump spindle nose end, the outward bending of the bent rod other end is into brace, it is vertical with cross bar in the middle part of straight-bar to be fixedly connected, several vertical groove is carved with cross bar, the distance of each vertical groove to cooling water pump shaft axis is equal to the cooling water pump gear compound graduation radius of circle of corresponding model.Measuring method is as follows：1）Straight-bar and bent rod are connected into framework by connecting bolt.2）One end of straight-bar and bent rod is clamped on reference screw head.3）Dial indicator measuring head is resisted against under the vertical groove of cross bar.4）Control free end idler gear motionless, rotate cooling water pump gear, dial gauge indicates free end idler gear and the backlash of the cooling water pump gear engaged.The present invention is simple in construction, easy to use, manufacturing cost is low, improves efficiency of assembling.
Description
Technical field
It is especially a kind of suitable for Multiple Type diesel engine the present invention relates to a kind of backlash measurement apparatus of meshing gear
Free end idler gear engages the measurement apparatus of backlash with cooling water pump gear, further relates to backlash measuring method, belongs to gear survey
Measure technical field.
Background technology
In the assembling process of gear transmission of diesel engine system, the backlash between each meshing gear need to be measured, and adjusted
It is whole as defined in assembly technology in the margin of tolerance.Under conditions of allowing in operating space, typically dial gauge direct measurement tooth is used
Gap, comprise the concrete steps that：First dial indicator bracket is fixed on diesel engine stand or other fixed casings, then by percentage
Table gauge head props up the flank of tooth of a tested gear, and it is motionless to pin the another gear being meshed therewith, is rotated further by foregoing use
Dial indicator measuring head props up the gear of the flank of tooth, and now dial indicator measuring head pushes rear position and changed, corresponding percentage list index
Reading also changes, you can directly reads the actual backlash numerical value to meshing gear.But measuring various diesel engine
Free end idler gear is with cooling water pump gear when engaging backlash, because diesel engine front end case has been assemblied in diesel engine stand
On, free end idler gear is respectively positioned in head end box with cooling water pump gear, and both engagement backlash can not use preceding method
Measure, increase the assembly difficulty of free end idler gear and cooling water pump gear, influence efficiency of assembling.
The content of the invention
It is an object of the invention to provide a kind of simple in construction, easy to operate and can measure and be mounted in diesel engine front end case a pair
Gear engages the diesel engine meshing gear backlash measurement apparatus and method of backlash.
The present invention is achieved by the following technical programs：
A kind of diesel engine meshing gear backlash measurement apparatus, including straight-bar, bent rod, several connecting bolts, dial gauge and
Magnet base, reference screw are fixed on the axis at the cooling water pump spindle nose end equipped with cooling water pump gear；Bent rod one end is horizontal
Into brace, straight-bar middle part is vertical with cross bar to be fixedly connected, and several vertical groove is carved with cross bar, each vertical for other end outward bending
The distance of groove to cooling water pump shaft axis is equal to the cooling water pump gear compound graduation radius of circle of corresponding model；Straight-bar one end and bending
The horizontal ends of bar are clamped in the two relative parallel sides on reference screw head, and several connecting bolts pass across straight-bar and tiltedly respectively
In the middle part of bar, framework is fixedly connected into brace, straight-bar；Magnet base is fixed on head end box end face, and dial gauge passes through on magnet base
Extension bar be supported under cross bar, dial indicator measuring head is resisted against under the vertical groove of correspondence position cross bar.
The purpose of the present invention can also further be realized by following technical measures.
Foregoing diesel engine meshing gear backlash measurement apparatus, wherein the angle of the bent rod other end outward bending is
10°。
Foregoing diesel engine meshing gear backlash measurement apparatus, wherein 2 connecting bolts are respectively the first connection spiral shell
Bolt and the second connecting bolt, the length of first connecting bolt are more than the second connecting bolt；Two fixing nuts are fixed respectively
On on the inside of the straight-bar, the first connecting bolt is rotary with clamp nut, on the clamp nut is resisted against on the inside of bent rod.
A kind of method using diesel engine meshing gear backlash measurement apparatus, comprise the following steps：
1）The first connecting bolt of bent rod is passed across respectively, the second connecting bolt is connected by the fixing nut on straight-bar
Into framework, the clamp nut on the first connecting bolt is tightened on bent rod medial surface；
2）The horizontal ends of the straight-bar one end for connecting into framework and bent rod are clamped in the two-phase on reference screw head respectively
To in parallel side, tightening the clamp nut on the inside of the first connecting bolt, the second connecting bolt and bent rod so that straight-bar one end
Tightly it is clipped on reference screw head with the horizontal ends of bent rod；
3）Magnet base is fixed on head end box end face, dial gauge is supported under cross bar by the extension bar on magnet base, and
Dial indicator measuring head is resisted against under the vertical groove of cross bar, the cooling water pump gear of the vertical groove and respective model diesel engine
Reference radius is corresponding, and dial gauge dial plate then is turned into zero-bit；
4）Control the free end idler gear of diesel engine motionless, stir cooling water pump impeller clockwise, drive coaxial cold
But water pump gear rotates, and cooling water pump gear pushes dial indicator measuring head, dial indicator measuring head is indicated after dial gauge indicators turn
Distance is moved down, this moves down distance as free end idler gear and the backlash of the cooling water pump gear engaged.
Backlash measurement apparatus of the invention is simple in construction, easy to use, manufacturing cost is low, tightens the fastening spiral shell on the inside of brace
Mother, with regard to the horizontal ends of bent rod can be promoted to clamp reference screw head, backlash measurement apparatus is set to be secured firmly to cooling water pump shaft
On.Because the distance of the vertical groove on the outside of bent rod on cross bar to cooling water pump shaft axis is equal to the cooling water pump of corresponding model
Gear compound graduation radius of circle, so as to by the free end idler gear engaging tooth of the cooling water pump gear in head end box and diesel engine
Gap is transferred to outside head end box and measured.The measuring method of the present invention is motionless using the free end idler gear of diesel engine, cooling
Water pump gear drives cross bar to rotate the method for pushing dial indicator measuring head movement, can accurately measure idler gear and cooling water pump
The engagement backlash of gear.The present invention has captured the free end idler gear engaging tooth of cooling water pump gear and diesel engine in head end box
The problem that gap can not measure, improves efficiency of assembling.
Advantages of the present invention and feature, it will be illustrated and explained by the non-limitative illustration of preferred embodiment below,
These embodiments, only provide as an example referring to the drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 left view enlarged drawing.
Embodiment
The free end idler gear and cooling water pump gear with L16 diesel engines engage the measurement of backlash below in conjunction with the accompanying drawings
The invention will be further described for embodiment.
As depicted in figs. 1 and 2, the present embodiment includes straight-bar 1,2,2 connecting bolts 3 of bent rod, dial gauge 4 and magnet base
5, reference screw 6 is fixed on the axis at the spindle nose end of cooling water pump shaft 8, and cooling water pump gear 7 is housed on cooling water pump shaft 8.It is curved
The right-hand member of pole 2 is horizontal ends 21, and left end outward bending is into brace 22.The middle part of straight-bar 1 connects with the vertical welding of cross bar 11, is carved on cross bar 11
Have a 3 vertical grooves 111, the distances of 3 vertical groove 111 to the axis of cooling water pump shaft 8 is respectively d1, d2 and d3, d1, d2 and
D3 is respectively equal to the reference radius of the cooling water pump gear 7 of L16, L21, L27 diesel engine.The right-hand member of straight-bar 1 and bent rod 2
Horizontal ends 21 are clamped in two relative parallel sides of the hexagonal head of reference screw 6, and 2 connecting bolts 3 pass across directly respectively
Bar 1 and the middle part of brace 21, framework is fixedly connected into brace 21, straight-bar 1.
The angle [alpha] of the left end outward bending of bent rod 2 is 10 °.So that pass through 2 connecting bolts 3 and straight-bar 1 and bent rod 2
The integral framework left end spacing that is fixedly connected be more than right-hand member spacing, be easy to tighten clamp nut 33, so as to make straight-bar 1 right
The horizontal ends 21 of end and bent rod 2 clamp the head of reference screw 6.
As shown in figure 1,2 connecting bolts 3 are respectively the first connecting bolt 31 and the second connecting bolt 32, two fixed spiral shells
Mother 33 is weldingly fixed on the inner side of straight-bar 1, and the first connecting bolt 31 is rotary with clamp nut 34, and the clamp nut 34 is resisted against curved
On the inner side of pole 2.Tighten tight on the first connecting bolt 31 and the second connecting bolt 32, and the inner side of brace 21 of bent rod 2
Gu nut 34, bent rod 2 can be promoted to rotate clockwise, so that the horizontal ends 21 of the right-hand member of straight-bar 1 and bent rod 2 are tightly pressed from both sides
The firmly head of reference screw 6.Magnet base 5 is fixed on the end face of head end box 10, and dial gauge 4 is supported by the extension bar 51 on magnet base 5
Under cross bar 11, dial indicator measuring head 41 is resisted against under the vertical groove 111 of the high order end corresponding with L16 diesel engines of cross bar 11.
The diesel engine meshing gear backlash measuring method of the present embodiment, comprises the following steps：
1）The first connecting bolt 31 of bent rod 2, the second connecting bolt 32 are passed across respectively by being welded in consolidating on straight-bar 1
Determine nut 33 and connect into framework, the clamp nut 34 on the first connecting bolt 31 is tightened on the medial surface of bent rod 2.
2）The horizontal ends 21 of the right-hand member of straight-bar 1 for connecting into framework and bent rod 2 are clamped in the hexagon of reference screw 6 respectively
In the relative parallel side of the two of head, the fastening spiral shell of the first connecting bolt 31, the second connecting bolt 32 and the inner side of bent rod 1 is tightened
Mother 34 so that the horizontal ends 21 of the right-hand member of straight-bar 1 and bent rod 2 are tightly clipped in the hexagonal head of reference screw 6.
3）Magnet base 5 is fixed on head end box end face 9, dial gauge 4 is supported on cross bar by the extension bar 51 on magnet base 5
Under 11, and dial indicator measuring head 41 is set to be resisted against under the vertical groove 111 of the high order end of cross bar 11, the vertical groove 111 represents L16 types
The position of the reference radius of cooling water pump gear 7 of diesel engine, then turns to zero-bit by dial gauge dial plate.
4）Control the free end idler gear 9 of diesel engine motionless, stir cooling water pump impeller clockwise, drive coaxial cold
But water pump gear 7 rotates, and cooling water pump gear 7 pushes dial indicator measuring head 41, indicates that dial gauge is surveyed after dial gauge indicators turn
First 41 move down distance, and this moves down distance as free end idler gear 9 and the backlash of the cooling water pump gear 7 engaged.
The backlash measuring method of the present invention is convenient, accurate, quick, applies also for other and is unable to direct measurement engagement backlash
Equipment.
In addition to the implementation, the present invention can also have other embodiment, all to use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.
Claims (6)
- A kind of 1. diesel engine meshing gear backlash measurement apparatus, it is characterised in that：Including straight-bar, bent rod, several connecting bolts, Dial gauge and magnet base, reference screw are fixed on the axis of the cooling water pump shaft end head equipped with cooling water pump gear；Bent rod Into brace, straight-bar middle part is vertical with cross bar to be fixedly connected the horizontal other end outward bending in one end, and several vertical quarter is carved with cross bar Line, the distance of each vertical groove to cooling water pump shaft axis are equal to the cooling water pump gear compound graduation radius of circle of corresponding model；Straight-bar The horizontal ends of one end and bent rod are clamped in the two relative parallel sides on reference screw head, and several connecting bolts cross respectively Cross in the middle part of straight-bar and brace, framework is fixedly connected into brace, straight-bar；Magnet base is fixed on head end box end face, and dial gauge leads to The extension bar crossed on magnet base is supported under cross bar, and dial indicator measuring head is resisted against under the vertical groove of correspondence position.
- 2. diesel engine meshing gear backlash measurement apparatus as claimed in claim 1, it is characterised in that：The bent rod other end The angle of outward bending is 8 °~12 °.
- 3. diesel engine meshing gear backlash measurement apparatus as claimed in claim 2, it is characterised in that：The bent rod other end The angle of outward bending is 10 °.
- 4. diesel engine meshing gear backlash measurement apparatus as claimed in claim 1, it is characterised in that：The number of the connecting bolt Measure as 2,2 connecting bolts are located at cross bar both sides respectively.
- 5. diesel engine meshing gear backlash measurement apparatus as claimed in claim 4, it is characterised in that：2 connecting bolts Respectively the first connecting bolt and the second connecting bolt, the length of first connecting bolt are more than the second connecting bolt；Two On fixing nut is separately fixed on the inside of straight-bar, the first connecting bolt is rotary with clamp nut, and the clamp nut is resisted against bending On on the inside of bar.
- A kind of 6. method using diesel engine meshing gear backlash measurement apparatus as claimed in claim 1, it is characterised in that：Bag Include following steps：1）The first connecting bolt of bent rod is passed across respectively, the second connecting bolt connects into frame by the fixing nut on straight-bar Frame, the clamp nut on the first connecting bolt are tightened on bent rod medial surface；2）The horizontal ends of the straight-bar one end for connecting into framework and bent rod are clamped in the two relatively flat of reference screw head respectively On row side, the clamp nut on the inside of the first connecting bolt, the second connecting bolt and bent rod is tightened so that straight-bar one end and curved The horizontal ends of pole are tightly clipped on reference screw head；3）Magnet base is fixed on head end box end face, dial gauge is supported under cross bar by the extension bar on magnet base, and by hundred Table gauge head is divided to be resisted against under the vertical groove of cross bar, the cooling water pump gear compound graduation of the vertical groove and respective model diesel engine Radius of circle is corresponding, and dial gauge dial plate then is turned into zero-bit；4）Control the free end idler gear of diesel engine motionless, stir cooling water pump impeller clockwise, drive coaxial cooling water Pump gear rotates, and cooling water pump gear pushes dial indicator measuring head, moving down for dial indicator measuring head is indicated after dial gauge indicators turn Distance, this moves down distance as free end idler gear and the backlash of the cooling water pump gear engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210686.1A CN105180772B (en) | 2015-04-29 | 2015-04-29 | Diesel engine meshing gear backlash measurement apparatus and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210686.1A CN105180772B (en) | 2015-04-29 | 2015-04-29 | Diesel engine meshing gear backlash measurement apparatus and method |
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| CN105180772A CN105180772A (en) | 2015-12-23 |
| CN105180772B true CN105180772B (en) | 2017-11-21 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2661542A (en) * | 1946-04-04 | 1953-12-08 | Fellows Gear Shaper Co | Apparatus for measuring backlash in gears |
| CN202420391U (en) * | 2011-12-02 | 2012-09-05 | 青特集团有限公司 | Braking clearance adjusting arm tooth gap checking fixture |
| CN202452931U (en) * | 2011-12-26 | 2012-09-26 | 重庆普什机械有限责任公司 | Backlash measurement tool for oil pump |
| CN202853593U (en) * | 2012-10-24 | 2013-04-03 | 哈尔滨东安发动机（集团）有限公司 | Apparatus for measuring assembling tooth space of bevel gear |
| CN204831134U (en) * | 2015-04-29 | 2015-12-02 | 中船动力有限公司 | Diesel engine meshed gear tooth clearance measuring device |
-
2015
- 2015-04-29 CN CN201510210686.1A patent/CN105180772B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2661542A (en) * | 1946-04-04 | 1953-12-08 | Fellows Gear Shaper Co | Apparatus for measuring backlash in gears |
| CN202420391U (en) * | 2011-12-02 | 2012-09-05 | 青特集团有限公司 | Braking clearance adjusting arm tooth gap checking fixture |
| CN202452931U (en) * | 2011-12-26 | 2012-09-26 | 重庆普什机械有限责任公司 | Backlash measurement tool for oil pump |
| CN202853593U (en) * | 2012-10-24 | 2013-04-03 | 哈尔滨东安发动机（集团）有限公司 | Apparatus for measuring assembling tooth space of bevel gear |
| CN204831134U (en) * | 2015-04-29 | 2015-12-02 | 中船动力有限公司 | Diesel engine meshed gear tooth clearance measuring device |
Non-Patent Citations (1)
| Title |
|---|
| 齿隙测量工具设计;王立华;《科技与企业》;20140731(第14期);434 * |
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| CN105180772A (en) | 2015-12-23 |
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Address after: 212211 No. 402, Changjiang Road, Zhenjiang City, Jiangsu Province Patentee after: China Shipbuilding Power Zhenjiang Co.,Ltd. Address before: 402 Changjiang Road, Runzhou District, Zhenjiang City, Jiangsu Province Patentee before: CSSC MARINE POWER Co.,Ltd. |
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