CN103909457B - For the repairing tool of automobile of large-sized low-speed crankshaft of diesel engine thrust card - Google Patents

For the repairing tool of automobile of large-sized low-speed crankshaft of diesel engine thrust card Download PDF

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Publication number
CN103909457B
CN103909457B CN201410138022.4A CN201410138022A CN103909457B CN 103909457 B CN103909457 B CN 103909457B CN 201410138022 A CN201410138022 A CN 201410138022A CN 103909457 B CN103909457 B CN 103909457B
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China
Prior art keywords
shaped stent
door shaped
thrust
bearing cap
diesel engine
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CN201410138022.4A
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Chinese (zh)
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CN103909457A (en
Inventor
徐一久
朱跃斌
石丽明
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Hudong Heavy Machinery Co Ltd
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Hudong Heavy Machinery Co Ltd
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Priority to CN201410138022.4A priority Critical patent/CN103909457B/en
Publication of CN103909457A publication Critical patent/CN103909457A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10Single-purpose machines or devices
    • B24B7/16Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings

Abstract

For a repairing tool of automobile for large-sized low-speed crankshaft of diesel engine thrust card, comprise bearing cap formula base, door shaped stent, guide rail, two adjustable plates and Pneumatic sander, wherein, bearing cap formula base is fixed on bearing block, be installed on to door shaped stent position-adjustable in the plane of bearing cap formula base top, the bottom of its column is provided with vertical adjustment bolt to regulate the perpendicularity of door shaped stent, the inside of guide rail is provided with screw mandrel, be fixed on the entablature of door shaped stent by small semicircle pressing plate, two adjustable plates are individually fixed on the thrust face of door shaped stent two column, bottom is provided with horizontal adjustment bolt and is screwed on the thrust face of bearing cap formula base, to regulate the horizontal level of door shaped stent, Pneumatic sander to be connected on screw mandrel and can to move up and down along guide rail.The present invention is easy to operate in narrow operating space, and machining accuracy is high, can complete the polishing repair of crank thrust card within a short period of time, greatly raises labour productivity while quality is reprocessed in lifting.

Description

For the repairing tool of automobile of large-sized low-speed crankshaft of diesel engine thrust card
Technical field
The present invention relates to a kind of diesel engine to reprocess with equipment, be specifically related to a kind of repairing tool of automobile for large-sized low-speed crankshaft of diesel engine thrust card, belong to diesel engine manufacturing technology field.
Background technology
When large-sized low-speed diesel engine peculiar to vessel is when reprocessing crank thrust card, generally holding hand throwing machine by workman and entering operating space narrow in main frame, repaired by hand is carried out to crank thrust card.The required precision of reclamation work to polishing is very high.After the reparation of thrust card completes, need to reach following requirement:
1. the circumference jerk value that crank thrust card rotates a circle is less than 0.03mm;
2. the roughness requirements reprocessing face is less than Ra0.8;
3. the thickness of crank thrust dish needs unanimously up and down, guarantees that total polishing amount is less than 0.2mm;
4. blade coating blue oil method check table surface evenness, requires that blue oil at least covers the thrust disc area of 80%.
Because operating space is very narrow and small, only rely on the feel of workman cannot meet above-mentioned 4 requirements, be difficult to the flatness precision of the thrust card reached required by repair.Therefore, a kind of novel repairing tool of automobile for large-sized low-speed crankshaft of diesel engine thrust card is needed.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, a kind of repairing tool of automobile for large-sized low-speed crankshaft of diesel engine thrust card is provided, it adopts machining mode to replace manual operations, the reclamation work of high-precision crank shaft thrust card is completed in narrow and small working space, that guarantees plane reprocesses quality, reaches easy to operate, improves the effect of work efficiency.
For achieving the above object, technical solution of the present invention is as follows:
For a repairing tool of automobile for large-sized low-speed crankshaft of diesel engine thrust card, it comprises:
Bearing cap formula base, on the bearing block being fixed on described large-sized low-speed diesel engine and top is a plane;
Door shaped stent, be installed on to position-adjustable in the plane of described bearing cap formula base top, its entablature is provided with the vertical holes of large semicircle, and the bottom of two columns is provided with in the screw that vertical adjustment bolt is screwed in described bearing cap formula base top plane to regulate the upright position of described door shaped stent;
Guide rail, be fixed in the vertical holes of this entablature by the small semicircle pressing plate be installed on described door shaped stent entablature, its inside is provided with screw mandrel;
Pneumatic sander, to be connected on described screw mandrel and can to move up and down along described guide rail with the rotation of this screw mandrel;
Two adjustable plates, are fixedly connected on the thrust face of described door shaped stent two column respectively, and the bottom of this adjustable plate is provided with in the screw that horizontal adjustment bolt is screwed on the thrust face of described bearing cap formula base to regulate the horizontal level of described door shaped stent.
Further, described door shaped stent is weldment, and the bottom of its two column is provided with waist-shaped hole with the stud by being spun solid on described bearing block.
Further, the rear end of described Pneumatic sander is provided with the runner regulating the depth of cut.
Compared with existing manual type, the present invention achieves following technique effect:
1, adopt Pneumatic sander processing, solve in narrow operating space the difficulty of crank thrust card of polishing, what can complete large-sized low-speed crankshaft of diesel engine thrust card peculiar to vessel within the time faster reprocesses operation, substantially increases labor productivity.
2, by fixing door shaped stent, Pneumatic sander being installed, effectively the axial float caused by opposition being reduced to zero when polishing.
3, the depth of parallelism of door shaped stent and crank thrust card can be regulated by turning horizontal adjustment bolt, turn the perpendicularity that vertical adjustment bolt can regulate door shaped stent, thus the mill of Pneumatic sander and thrust card keeping parallelism state after making adjustment, ensure that the machining accuracy of thrust card and reprocess quality.
In a word, the present invention substantially increases labor productivity while lifting crank thrust card reprocesses quality.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is side view of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the structure of the repairing tool of automobile for large-sized low-speed crankshaft of diesel engine thrust card of the present invention and embody rule are described in further detail, but should limit the scope of the invention with this.
Repairing tool of automobile of the present invention is used for completing the reclamation work of high-precision crank thrust card in the small space of large-sized low-speed diesel engine, its rely on machined to replace manual operations ensures plane reprocesses quality.Refer to Fig. 1 and Fig. 2, illustrated large-sized low-speed crankshaft of diesel engine 01 is set up on bearing block, its axis is arranged along the free end-thrust extreme direction of diesel engine, the left of bent axle 01 is fuel oil side, right is exhaust side, thrust disc 02 to be connected on bent axle 01 and to rotate with bent axle 01, and thrust disc 02 is thrust card to be repaired towards the plane of free end.
The described repairing tool of automobile for large-sized low-speed crankshaft of diesel engine thrust card comprises bearing cap formula base 8, door shaped stent 1, guide rail 2, small semicircle pressing plate 3, two adjustable plate 5, horizontal adjustment bolt 6, vertical adjustment bolt 11 and Pneumatic sander 7.
Described bearing cap formula base 8 is the substructure member of a similar diesel engine bearing cap, be fixed on the bearing block of described large-sized low-speed diesel engine, this bearing block is fastened with stud 9, described bearing cap formula base 8 is provided with through hole and can be placed through on stud 9, then is twisted solid on bearing block by tensioning nut 10.With diesel engine bearing cap unlike, the top of described bearing cap formula base 8 is a plane, for installing described door shaped stent 1, door shaped stent 1 is played to the effect of firm support, simultaneously can effectively fixed main shaft watt upper watt.This bearing cap formula base 8 is provided with screwed hole to connect described horizontal adjustment bolt 6 towards the thrust face of thrust end.
Described door shaped stent 1 is weldment, is installed on to its position-adjustable in the plane at described bearing cap formula base 8 top.This door shaped stent 1 comprises the entablature that two columns and two ends are connected this two columns top respectively.This entablature is provided with the vertical holes that shape is large semicircle; The bottom of this two column is provided with two waist-shaped holes with the stud 9 by being spun solid on described bearing block.Respectively there is a screwed hole both sides of described two column bottom waist-shaped holes, some described vertical adjustment bolt 11 are installed in this screwed hole, and be screwed in the screw in described bearing cap formula base 8 top planes, thus regulated upright position and the perpendicularity of described door shaped stent 1 by turn vertical adjustment bolt 11.
Described small semicircle pressing plate 3 to be installed on the entablature of described door shaped stent 1 by bolt 4 and involutory with described vertical holes, by sandwiched for described guide rail 2 and be fixed in the vertical holes of this entablature; This guide rail 2 inside is provided with screw mandrel.
Described Pneumatic sander 7 to be arranged on guide rail 2 and to be connected with described screw mandrel, and the rotation Pneumatic sander 7 with this screw mandrel can move up and down along described guide rail 2, thus regulates the height of Pneumatic sander 7.The rear end of described Pneumatic sander 7 is provided with runner, in order to regulate the depth of cut of Pneumatic sander 7.
Described two adjustable plates 5 are fixedly connected on described door shaped stent 1 liang of column respectively towards on the thrust face of thrust end, some described horizontal adjustment bolt 6 are arranged on the bottom of this adjustable plate 5, and be screwed in the screwed hole on described bearing cap formula base 8 thrust face, by tightening/this horizontal adjustment bolt 6 of pine, described adjustable plate 5 moves on free end-thrust extreme direction, thus regulates the horizontal level of described door shaped stent 1.
The installation process of repairing tool of automobile of the present invention is as follows:
1. stud 9 is twisted solid on diesel engine bearing block;
2. bearing cap formula base 8 is landed on this bearing block through stud 9;
3. Pneumatic sander 7 is arranged on guide rail 2;
4. guide rail 2 is fixed on door shaped stent 1 by small semicircle pressing plate 3;
5. hang in diesel engine by door shaped stent 1, be arranged on bearing cap formula base 8, the thrust face making the thrust face of door shaped stent 1 exceed bearing cap formula base 8 is about 10mm;
6. two adjustable plate 5 and horizontal adjustment bolt 6 are installed on the thrust face of bearing cap formula base 8 liang of columns, regulate the depth of parallelism of door shaped stent 1 and crank thrust card;
7. on the screwed hole of door shaped stent 1 liang of column bottom, be screwed into vertical adjustment bolt 11, regulate the perpendicularity of door shaped stent 1;
8. after door shaped stent 1 regulates, tensioning nut 10 is tightened on stud 9, uses iron hammer and knock hand tensioning nut 10, door shaped stent 1 is completely fixed.
The control method of repairing tool of automobile of the present invention is as follows:
1. refer to Fig. 1, after horizontal adjustment bolt 6 being tightened, adjustable plate 5 moves to free end, and the side promoting door shaped stent 1 is moved to free end, can by door shaped stent 1 and crank thrust card keeping parallelism.
2. Fig. 2 is referred to, vertical adjustment bolt 11 is screwed in the screwed hole of door shaped stent 1 side feet, when turning vertical adjustment bolt 11, the bottom of vertical adjustment bolt 11 withstands on bearing cap formula base 8, door shaped stent 1 every side footing has two screwed holes for tightening vertical adjustment bolt 11, door shaped stent 1 can be adjusted to completely vertical.The requirement on machining accuracy of weldment door shaped stent 1 baseplane can be down to minimum by this regulative mode, decreases its processing cost.
3. refer to Fig. 2, tensioning nut 10 is tightened on stud 9, use iron hammer and knock hand tensioning nut 10, door shaped stent 1 is completely fixed.Thus effectively ensure that the axial movement value of described repairing tool of automobile is zero when polishing.
When the present invention works, the thrust disc 02 of bent axle 01 continues to rotate on the one hand, and Pneumatic sander 7 moves up and down and reconditioning crank thrust card on the other hand, and after repair completes, whole repairing tool of automobile unloads by diesel engine bearing block.
Above-mentioned is preferred embodiment of the present invention, is not used for limiting practical range of the present invention.All equivalences done according to the content of patent application of the present invention change and modify, and all should belong to the technology category that the present patent application is claimed.

Claims (3)

1. for a repairing tool of automobile for large-sized low-speed crankshaft of diesel engine thrust card, it is characterized in that: described repairing tool of automobile comprises:
Bearing cap formula base, on the bearing block being fixed on described large-sized low-speed diesel engine and top is a plane;
Door shaped stent, be installed on to position-adjustable in the plane of described bearing cap formula base top, its entablature is provided with the vertical holes of large semicircle, the bottom of two columns is provided with vertical adjustment bolt, be screwed in the screw in described bearing cap formula base top plane, to regulate the upright position of described door shaped stent;
Guide rail, be fixed in the vertical holes of this entablature by the small semicircle pressing plate be installed on described door shaped stent entablature, its inside is provided with screw mandrel;
Pneumatic sander, to be connected on described screw mandrel and can to move up and down along described guide rail with the rotation of this screw mandrel;
Two adjustable plates, be fixedly connected on respectively on the thrust face of described door shaped stent two column, the bottom of this adjustable plate is provided with horizontal adjustment bolt, is screwed in the screw on the thrust face of described bearing cap formula base, to regulate the horizontal level of described door shaped stent.
2. the repairing tool of automobile for large-sized low-speed crankshaft of diesel engine thrust card according to claim 1, is characterized in that: described door shaped stent is weldment, the bottom of its two column is provided with waist-shaped hole with the stud by being spun solid on described bearing block.
3. the repairing tool of automobile for large-sized low-speed crankshaft of diesel engine thrust card according to claim 1 and 2, is characterized in that: the rear end of described Pneumatic sander is provided with to regulate the runner of the depth of cut.
CN201410138022.4A 2014-04-08 2014-04-08 For the repairing tool of automobile of large-sized low-speed crankshaft of diesel engine thrust card Active CN103909457B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410138022.4A CN103909457B (en) 2014-04-08 2014-04-08 For the repairing tool of automobile of large-sized low-speed crankshaft of diesel engine thrust card

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410138022.4A CN103909457B (en) 2014-04-08 2014-04-08 For the repairing tool of automobile of large-sized low-speed crankshaft of diesel engine thrust card

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109047873A (en) * 2018-10-15 2018-12-21 中船澄西船舶修造有限公司 A kind of rudder bearer cutting tool

Citations (6)

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Publication number Priority date Publication date Assignee Title
US3943666A (en) * 1974-07-31 1976-03-16 Dysan Corporation Method and apparatus for burnishing flexible recording material
CN102189477A (en) * 2011-04-02 2011-09-21 长治市滚动轴承制造有限公司 Large bearing ultra-precision grinding machine
CN202377880U (en) * 2011-12-01 2012-08-15 沪东重机有限公司 Part plane flattening tool
CN103406818A (en) * 2013-07-12 2013-11-27 海安县吉程机械有限公司 Adjustable and controllable part polishing and grinding machine
CN203330813U (en) * 2013-05-21 2013-12-11 新昌县永强空调配件有限公司 Automobile accessory edge polishing device
CN203380720U (en) * 2013-08-13 2014-01-08 Tcl瑞智(惠州)制冷设备有限公司 Polishing device of thrust face of shaft of compressor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008105126A (en) * 2006-10-25 2008-05-08 Sanshin Co Ltd Plate-like member grinding method and its device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943666A (en) * 1974-07-31 1976-03-16 Dysan Corporation Method and apparatus for burnishing flexible recording material
CN102189477A (en) * 2011-04-02 2011-09-21 长治市滚动轴承制造有限公司 Large bearing ultra-precision grinding machine
CN202377880U (en) * 2011-12-01 2012-08-15 沪东重机有限公司 Part plane flattening tool
CN203330813U (en) * 2013-05-21 2013-12-11 新昌县永强空调配件有限公司 Automobile accessory edge polishing device
CN103406818A (en) * 2013-07-12 2013-11-27 海安县吉程机械有限公司 Adjustable and controllable part polishing and grinding machine
CN203380720U (en) * 2013-08-13 2014-01-08 Tcl瑞智(惠州)制冷设备有限公司 Polishing device of thrust face of shaft of compressor

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