CN103909457A - Repair tool for large low-speed diesel engine crankshaft thrust disc surface - Google Patents
Repair tool for large low-speed diesel engine crankshaft thrust disc surface Download PDFInfo
- Publication number
- CN103909457A CN103909457A CN201410138022.4A CN201410138022A CN103909457A CN 103909457 A CN103909457 A CN 103909457A CN 201410138022 A CN201410138022 A CN 201410138022A CN 103909457 A CN103909457 A CN 103909457A
- Authority
- CN
- China
- Prior art keywords
- diesel engine
- shaped stent
- door shaped
- thrust
- guide rail
- 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 6
- 239000007787 solid Substances 0.000 claims description 5
- 238000005498 polishing Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 4
- 238000012958 reprocessing Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
A repair tool for a large low-speed diesel engine crankshaft thrust disc surface comprises a bearing cover type base, a door type support, a guide rail, two adjusting plates and a pneumatic polisher. The bearing cover type base is fixed on a bearing block. The door type support is mounted on the plane at the top of the bearing cover type base in a position adjustable manner. Vertical adjusting bolts for adjusting the perpendicularity of the door type support is mounted at the bottom of the standing columns of the door type support. A screw is disposed in the guide rail. The guide rail is fixed on the upper crossbeam of the door type support through a small semi-circular pressing plate. The two adjusting plates are respectively fixed on the thrust surfaces of the two standing columns of the door type support. A horizontal adjusting bolt is mounted on the lower portion of each adjusting plate and screwed on the thrust surface of the bearing cover type base so as to adjusting the horizontal positions of the door type support. The pneumatic polisher is connected to the screw and can move up and down along the guide rail. The repair tool is convenient to operate in a narrow operation space and high in machining precision, polishing and repairing of the crankshaft thrust disc surface can be completed in a short time, and repairing quality is increased while labor productivity is increased greatly.
Description
Technical field
The present invention relates to a kind of diesel engine and 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 in the time reprocessing bent axle thrust card, generally holding hand throwing machine by workman enters operating space narrow in main frame, and bent axle thrust card is carried out to repaired by hand.Reclamation work is very high to the required precision of polishing.After the reparation of thrust card completes, need to reach following requirement:
1. the circumference jerk value that bent axle thrust card rotates a circle is less than 0.03mm;
The roughness of 2. reprocessing face requires to be less than Ra0.8;
3. the thickness of bent axle thrust disc 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 blue oil at least to cover 80% thrust disc area.
Because operating space is very narrow and small, only rely on workman's feel cannot meet above-mentioned 4 requirements, be difficult to reach the flatness precision of the desired thrust card of repair.Therefore, need a kind of novel repairing tool of automobile for large-sized low-speed crankshaft of diesel engine thrust card.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, 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, in narrow and small working space, complete the reclamation work of high-precision crank shaft thrust card, guarantee the quality of reprocessing of plane, the effect that reach easy to operate, improves 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, is fixed on the bearing block of 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 hole of large semicircle, and the bottom of two columns is provided with vertical adjusting bolt and is screwed in the screw in described bearing cap formula base top plane to regulate the upright position of described door shaped stent;
Guide rail, is fixed in the vertical hole of this entablature by the small semicircle pressing plate being installed on described door shaped stent entablature, and its inside is provided with screw mandrel;
Pneumatic sander, is connected on described screw mandrel and can moves up and down along described guide rail with the rotation of this screw mandrel;
Two adjustable plates, are fixedly connected on respectively on the thrust face of described door shaped stent two columns, and the bottom of this adjustable plate is provided with in the screw on the thrust face that horizontal adjustment bolt is screwed in 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 by being spun solid at the double-screw bolt on described bearing block.
Further, the rear end of described Pneumatic sander is provided with to regulate the runner of the depth of cut.
Compared with existing manual type, the present invention has obtained following technique effect:
1, adopt Pneumatic sander processing, solved the difficulty of polishing bent axle thrust card in narrow operating space, can within the time faster, complete the operation of reprocessing of large-sized low-speed crankshaft of diesel engine thrust card peculiar to vessel, greatly improved labor productivity.
2, by fixing door shaped stent, Pneumatic sander is installed, in the time of polishing, effectively the axial float being caused by opposition is reduced to zero.
3, can regulate the depth of parallelism of door shaped stent and bent axle thrust card by turning horizontal adjustment bolt, turn the perpendicularity that vertical adjusting bolt can regulate door shaped stent, thereby make to regulate mill and the thrust card keeping parallelism state of rear Pneumatic sander, guaranteed the machining accuracy of thrust card and reprocessed quality.
In a word, the present invention has greatly improved labor productivity when lifting bent axle thrust card is reprocessed quality.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is side view of the present invention.
The specific embodiment
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 concrete application are described in further detail, but should limit the scope of the invention with this.
Repairing tool of automobile of the present invention is for complete the reclamation work of high-precision bent axle thrust card in the small space of large-sized low-speed diesel engine, and it relies on machined to replace the quality of reprocessing that guarantees plane hand-manipulated.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 arranges along free end-thrust extreme direction of diesel engine, the left of bent axle 01 is fuel oil side, right-hand is exhaust side, thrust disc 02 is connected on bent axle 01 and with bent axle 01 rotation, and thrust disc 02 is thrust card to be repaired towards free-ended plane.
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 plates 5, horizontal adjustment bolt 6, vertical adjusting 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 tightens intrinsic double-screw bolt 9, described bearing cap formula base 8 is provided with through hole and can be placed through on double-screw bolt 9, then twists solid on bearing block by tensioning nut 10.Different from diesel engine bearing cap, the top of described bearing cap formula base 8 is a plane, for described door shaped stent 1 is installed, door shaped stent 1 is played to the effect of firm support, simultaneously 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 tops.This door shaped stent 1 comprises that two columns and two ends are connected respectively an entablature on this two columns top.This entablature is provided with the vertical hole that is shaped as large semicircle; The bottom of this two column is provided with two waist-shaped holes with by being spun solid at the double-screw bolt 9 on described bearing block.Respectively there is a screwed hole both sides of described two column bottom waist-shaped holes, some described vertical adjusting bolts 11 are installed in this screwed hole, and be screwed in the screw in described bearing cap formula base 8 top planes, thereby regulate upright position and the perpendicularity of described door shaped stent 1 by turn vertical adjusting bolt 11.
Described small semicircle pressing plate 3 is installed on by bolt 4 on the entablature of described door shaped stent 1 and is involutory with described vertical hole, by sandwiched described guide rail 2 and be fixed in the vertical hole of this entablature; These guide rail 2 inside are provided with screw mandrel.
Described Pneumatic sander 7 is arranged on guide rail 2 and with described screw mandrel and is connected, can move up and down along described guide rail 2 with the rotation Pneumatic sander 7 of this screw mandrel, thus the height of adjusting 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 respectively 1 liang of column of described door shaped stent 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 faces, by this horizontal adjustment bolt 6 of tighten/pine, described adjustable plate 5 moves on free end-thrust extreme direction, thereby 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. double-screw bolt 9 is twisted solid on diesel engine bearing block;
2. bearing cap formula base 8 is landed on this bearing block through double-screw bolt 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. door shaped stent 1 is hung in diesel engine, be arranged on bearing cap formula base 8, make the thrust face of door shaped stent 1 exceed the about 10mm of thrust face of bearing cap formula base 8;
6. two adjustable plates 5 and horizontal adjustment bolt 6 are installed on the thrust face of 8 liang of columns of bearing cap formula base, regulate the depth of parallelism of door shaped stent 1 and bent axle thrust card;
7. on the screwed hole of 1 liang of column bottom of door shaped stent, be screwed into vertical adjusting bolt 11, regulate the perpendicularity of door shaped stent 1;
8. after door shaped stent 1 regulates, tensioning nut 10 is tightened on double-screw bolt 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 is tightened, adjustable plate 5 moves to free end, and a side direction free end that promotes door shaped stent 1 moves, can be by door shaped stent 1 and bent axle thrust card keeping parallelism.
2. refer to Fig. 2, vertical adjusting bolt 11 is screwed in the screwed hole of door shaped stent 1 side feet, while turning vertical adjusting bolt 11, the bottom of vertical adjusting bolt 11 withstands on bearing cap formula base 8, door shaped stent 1 each side footing has two screwed holes for tightening vertical adjusting bolt 11, door shaped stent 1 can be adjusted to completely vertical.This regulative mode can be down to the requirement on machining accuracy of weldment door shaped stent 1 baseplane minimum, has reduced its processing cost.
3. refer to Fig. 2, tensioning nut 10 is tightened on double-screw bolt 9, use iron hammer and knock hand tensioning nut 10, door shaped stent 1 is completely fixed.Thereby the axial movement value that effectively guarantees described repairing tool of automobile in the time of polishing is zero.
When the present invention works, the thrust disc 02 of bent axle 01 continues rotation on the one hand, and Pneumatic sander 7 moves up and down and reconditioning bent axle thrust card on the other hand, and after repair completes, whole repairing tool of automobile is by unloading on 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 of doing according to the content of patent application of the present invention change and modify, and all should belong to the claimed technology category of the present patent application.
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, is fixed on the bearing block of 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 hole of large semicircle, and the bottom of two columns is provided with vertical adjusting bolt and is screwed in the screw in described bearing cap formula base top plane to regulate the upright position of described door shaped stent;
Guide rail, is fixed in the vertical hole of this entablature by the small semicircle pressing plate being installed on described door shaped stent entablature, and its inside is provided with screw mandrel;
Pneumatic sander, is connected on described screw mandrel and can moves up and down along described guide rail with the rotation of this screw mandrel;
Two adjustable plates, are fixedly connected on respectively on the thrust face of described door shaped stent two columns, and the bottom of this adjustable plate is provided with in the screw on the thrust face that horizontal adjustment bolt is screwed in 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, and the bottom of its two column is provided with waist-shaped hole with by being spun solid at the double-screw bolt 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.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103909457A true CN103909457A (en) | 2014-07-09 |
| CN103909457B CN103909457B (en) | 2016-03-09 |
Family
ID=51035624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410138022.4A Active 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103909457B (en) |
Cited By (3)
| 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 |
| CN113458818A (en) * | 2021-05-21 | 2021-10-01 | 岳阳大陆激光技术有限公司 | Steam turbine thrust disc processing and measuring device |
| CN115476270A (en) * | 2022-09-27 | 2022-12-16 | 武钢集团昆明钢铁股份有限公司 | A jacking device and a jacking maintenance method for improving the grinding efficiency of steam turbine thrust pads |
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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 |
| JP2008105126A (en) * | 2006-10-25 | 2008-05-08 | Sanshin Co Ltd | Plate-like member grinding method and its device |
| 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 |
-
2014
- 2014-04-08 CN CN201410138022.4A patent/CN103909457B/en active Active
Patent Citations (7)
| 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 |
| JP2008105126A (en) * | 2006-10-25 | 2008-05-08 | Sanshin Co Ltd | Plate-like member grinding method and its device |
| 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 |
Cited By (3)
| 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 |
| CN113458818A (en) * | 2021-05-21 | 2021-10-01 | 岳阳大陆激光技术有限公司 | Steam turbine thrust disc processing and measuring device |
| CN115476270A (en) * | 2022-09-27 | 2022-12-16 | 武钢集团昆明钢铁股份有限公司 | A jacking device and a jacking maintenance method for improving the grinding efficiency of steam turbine thrust pads |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103909457B (en) | 2016-03-09 |
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