CN203680016U - Grinding device for matching surfaces of air valve and valve seat of diesel engine for large ship - Google Patents
Grinding device for matching surfaces of air valve and valve seat of diesel engine for large ship Download PDFInfo
- Publication number
- CN203680016U CN203680016U CN201320869136.7U CN201320869136U CN203680016U CN 203680016 U CN203680016 U CN 203680016U CN 201320869136 U CN201320869136 U CN 201320869136U CN 203680016 U CN203680016 U CN 203680016U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- motor
- large ship
- base
- 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.)
- Expired - Lifetime
Links
- 238000000227 grinding Methods 0.000 title abstract description 18
- 230000013011 mating Effects 0.000 claims description 25
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 239000002828 fuel tank Substances 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model discloses a grinding device for matching surfaces of an air valve and a valve seat of a diesel engine for a large ship, and is used for solving the problems of low work efficiency and poor universality of the existing grinding device for the matching surfaces of the air valve and the valve seat of the diesel engine for the large ship. The grinding device comprises a motor and reducing mechanism, a cam transmission mechanism, a motor control mechanism and a support frame, wherein the support frame is provided with a base, a support column and a table top, an air valve rod through hole is formed in the table top, the motor and reducing mechanism is mounted on the base, and the cam transmission mechanism is mounted on the output shaft of the motor and reducing mechanism. The grinding device disclosed by the utility model has the characteristics of simple structure, convenience in operation, low manufacture cost, good universal performance and the like, not only lowers the labor intensity of operators and improves the work efficiency, but also is suitable for grinding of the matching surfaces of the air valve and the valve seat of the diesel engine with various types so as to reduce the overhaul cost of the diesel engine.
Description
Technical field
The utility model relates to a kind of milling apparatus, and especially a kind of milling apparatus that is applicable to large ship diesel valve and valve seat mating surface, belongs to grinding technology field.
Background technology
Diesel engine inlet and outlet valve is the important spare part of diesel engine air distribution system, it is in working process of diesel engine, moment in accordance with regulations and order are opened or are closed, make as far as possible many fresh airs enter cylinder, and the waste gas of burning end of a period is discharged in cylinder, thereby the continuous operation of assurance diesel engine.
When diesel engine work, in the adverse circumstances of inlet and outlet valve seat in HTHP, also to bear the shock loading of air valve, produce thus alternation mechanical stress and distortion, cause air valve and contact surface of valve seat generation relative displacement, also there will be wearing and tearing, pit, indenture and close the defects such as slight crack at air valve and valve base surface, these defects have been destroyed the sealing of air valve and valve seat, have affected the normal operation of diesel engine simultaneously.Therefore when to large-sized diesel machine overhauling, the reparation of inlet and outlet valve and valve seat is a very important job.
Can adopt special purpose grinder or lathe to process it for the reparation of air valve, the reparation of air valve seat, according to its damage type and the order of severity, adopts respectively the method for hand grinding method repairing and mechanical process.In order to guarantee the sealing of air valve and valve seat, also to grind the mating surface of air valve and valve seat.At present, the grinding of miniature high-speed diesel valve and valve seat utilizes rubber cup to hold air valve disk conventionally, in the middle of air valve seat surface along even circumferential be stained with a small amount of abrasive sand, air valve is inserted in conduit, utilize the air valve disk conical surface and valve seat mutually to grind.For large-sized low-speed marine diesel engine, due to its air valve valve rod long (being about 700mm～2000mm left and right), weight is in 180-350 Kg left and right, cannot adopt the method for above-mentioned rubber cup absorption to grind, normally cylinder head is placed on on fulcrum fixed support, utilizes lever principle, pedal lever master arm, after the valve rod that makes to be connected with lever slave arm is raised certain altitude, freely fall, realize the grinding of the mating surface of air valve and valve seat.Above-mentioned lapping mode not only labor intensity of operating staff is large, inefficiency; And the difficult adjusting of support bracket fastened height, universal performance is poor.
Utility model content
The purpose of this utility model is the drawback for prior art, provides that a kind of automaticity is high, universal performance good, diesel valve and valve seat mating surface lapping device for the large ship of can reduce labor intensity of operating staff, increasing work efficiency.
Problem described in the utility model realizes with following technical proposals:
A kind of large ship diesel valve and valve seat mating surface lapping device, it comprises motor and reducing gear, cam drive, motor control mechanism and bracing frame, support frame as described above is provided with base, support column and table top, described table top is provided with air valve valve rod through hole, described motor and reducing gear are arranged on base, and described cam drive is arranged on the output shaft of motor and reducing gear.
Diesel valve and valve seat mating surface lapping device for above-mentioned large ship, the radius of cam base-circle of described cam drive is R, cam peak and camshaft central axis distance are H, H-R=70mm.
Diesel valve and valve seat mating surface lapping device for above-mentioned large ship, described support column comprises sleeve and leading screw, described sleeve is fixed on base, be provided with one group of floor in sleeve outside, at least two locking screw rods are set on sleeve lateral wall, and described screw set is contained in barrel bore, equipped adjusting nut and lock-nut on leading screw top, on leading screw outer surface, lock groove is set, described lock groove mates with locking screw rod.
Diesel valve and valve seat mating surface lapping device for above-mentioned large ship, described motor control mechanism is arranged on base.
Diesel valve and valve seat mating surface lapping device for above-mentioned large ship, described motor and reducing gear comprise motor and decelerator, described motor is connected by belt drive component with decelerator.
Diesel valve and valve seat mating surface lapping device for above-mentioned large ship, it is also provided with grease-box, and described grease-box is open top structure, and it is fixed on base, in the lubricating oil of the cam bottom dip lubrication fuel tank of described cam drive.
The utility model is in the time grinding large-scale diesel engine air valve and valve seat mating surface, first diesel engine cylinder head is fixedly mounted on the table top of bracing frame, again diesel valve valve rod is passed to the valve seat orifice on diesel engine cylinder head, its end is contacted with the cam outer surface of cam drive, in the time of motor and the rotation of reducing gear drive cam drive, move upward by cam outer surface actuate valve stem, valve rod climb is H-R=70mm, then rely on the deadweight of air valve to fall, realize thus the grinding of air valve and valve seat mating surface; The utility model can utilize the table surface height of support column adjusting support frame, to meet the grinding requirement of different model diesel valve and valve seat mating surface, by rotation adjusting nut, leading screw is moved up and down, realize the adjustment to bracing frame table surface height, then by lock-nut by leading screw locking, and utilize lock groove to coordinate lead screw position is fixed with locking screw rod; The utility model arranges a grease-box in the bottom of cam drive, in grease-box, pasta did not have 1/3rd of radius of cam base-circle, cam outer surface can be contacted with lubricating oil in each operation cycle, alleviated the wearing and tearing of cam and air valve valve rod contact-making surface.The utlity model has the features such as simple in structure, easy to operate, low cost of manufacture, universal performance be good, through probationary certificate: it not only reduced operator labour intensity, improved operating efficiency, and be applicable to the grinding of different model diesel valve and valve seat mating surface, thereby reduce the recondition expense of diesel engine.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the utility model structural representation;
Fig. 2 is A-A cross-sectional view in Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is cam drive cam structural representation;
Fig. 5 is support column arrangement schematic diagram;
Fig. 6 is support column adjustment process schematic diagram;
Fig. 7 is the utility model working state schematic representation;
Fig. 8 is B-B cross-sectional view in Fig. 7;
Fig. 9, Figure 10 are the utility model course of work schematic diagrames.
In figure, each list of reference numerals is: 1, base, 2, support column, 2-1, sleeve, 2-2, adjusting nut, 2-3, lock-nut, 2-4, leading screw, 2-5, lock groove, 2-6, locking screw rod, 2-7, floor, 3, table top, 3-1, air valve valve rod be through hole, and 4, motor and reducing gear, 4-1, motor, 4-2, belt drive component, 4-3, decelerator, 5, cam drive, 5-1, cam outer surface, 6, grease-box, 7, motor control mechanism, 8, air valve, 8-1, air valve abradant surface, 9, cylinder head, 9-1, valve seat abradant surface.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, the utility model comprises motor and reducing gear 4, cam drive 5, motor control mechanism 7 and bracing frame, support frame as described above is provided with base 1, support column 2 and table top 3, described table top 3 is provided with air valve valve rod through hole 3-1, described motor and reducing gear 4 are arranged on base 1, it comprises motor 4-1 and decelerator 4-3, described motor 4-1 is connected by belt drive component 4-2 with decelerator 4-3, and described cam drive 5 is arranged on the output shaft of motor and reducing gear 4; The utility model is also provided with grease-box 6, and described grease-box 6 is open top structure, and it is fixed on base 1, in the lubricating oil of the cam bottom dip lubrication fuel tank 6 of described cam drive 5.
Referring to Fig. 4, the radius of cam base-circle of cam drive 5 of the present utility model is R, and cam peak and camshaft central axis distance are H, H-R=70mm.
Referring to Fig. 5, support column 2 of the present utility model comprises sleeve 2-1 and leading screw 2-4, described sleeve 2-1 is fixed on base 1, be provided with one group of floor 2-7 in sleeve 2-1 outside, at least two locking screw rod 2-6 are set on sleeve lateral wall, and described leading screw 2-4 is sleeved in sleeve 2-1 inner chamber, equipped adjusting nut 2-2 and lock-nut 2-3 on leading screw 2-4 top, on leading screw 2-4 outer surface, lock groove 2-5 is set, described lock groove 2-5 mates with locking screw rod 2-6.
Referring to Fig. 6, the utility model can utilize support column 2 to regulate the height of table top 3, to meet the grinding requirement of different model diesel valve and valve seat mating surface, its operating procedure is: rotation adjusting nut 2-2, leading screw 2-4 is moved up and down, in the time that table top 3 highly meets the demands, by lock-nut 2-3 by leading screw 2-4 locking, screw locking screw rod 2-6, make it coordinate leading screw 2-4 position is fixed with lock groove 2-5.
Referring to Fig. 7, Fig. 8, the utility model is in the time grinding large-scale diesel engine air valve and valve seat mating surface, first diesel engine cylinder head 9 is fixedly mounted on the table top 3 of bracing frame, again diesel valve 8 valve rods are passed to hole 3-1 through the valve seat orifice on diesel engine cylinder head 9 and the air valve valve rod on table top 3, its end is contacted with the cam outer surface 5-1 of cam drive.
Referring to Fig. 9, Figure 10, the course of work of the present utility model is: starter motor controlling organization 7, motor and reducing gear 4 drive cam drive 5 to rotate, move upward by cam outer surface 5-1 actuate valve stem, the maximum climb of valve rod is H-R=70mm, then relies on the deadweight of air valve 8 to fall, and air valve abradant surface 8-1 coordinates grinding with the valve seat abradant surface 9-1 on cylinder head 9, repeat said process, complete the grinding of air valve and valve seat mating surface.In the process of lapping of air valve and valve seat mating surface, cam outer surface 5-1 can contact with lubricating oil in each operation cycle, has alleviated the wearing and tearing of cam and air valve valve rod contact-making surface.
Claims (6)
1. a large ship diesel valve and valve seat mating surface lapping device, it is characterized in that, it comprises motor and reducing gear (4), cam drive (5), motor control mechanism (7) and bracing frame, support frame as described above is provided with base (1), support column (2) and table top (3), described table top (3) is provided with air valve valve rod through hole (3-1), it is upper that described motor and reducing gear (4) are arranged on base (1), and described cam drive (5) is arranged on the output shaft of motor and reducing gear (4).
2. a kind of large ship diesel valve and valve seat mating surface lapping device according to claim 1, is characterized in that, the radius of cam base-circle of described cam drive (5) is R, and cam peak and camshaft central axis distance are H, H-R=70mm.
3. a kind of large ship diesel valve and valve seat mating surface lapping device according to claim 1 and 2, it is characterized in that, described support column (2) comprises sleeve (2-1) and leading screw (2-4), described sleeve (2-1) is fixed on base (1), be provided with one group of floor (2-7) in sleeve (2-1) outside, at least two locking screw rods (2-6) are set on sleeve lateral wall, described leading screw (2-4) is sleeved in sleeve (2-1) inner chamber, equipped adjusting nut (2-2) and lock-nut (2-3) on leading screw (2-4) top, on leading screw (2-4) outer surface, lock groove (2-5) is set, described lock groove (2-5) mates with locking screw rod (2-6).
4. a kind of large ship diesel valve and valve seat mating surface lapping device according to claim 3, is characterized in that, described motor control mechanism (7) is arranged on base (1).
5. a kind of large ship diesel valve and valve seat mating surface lapping device according to claim 3, it is characterized in that, described motor and reducing gear (4) comprise motor (4-1) and decelerator (4-3), and described motor (4-1) is connected by belt drive component (4-2) with decelerator (4-3).
6. according to diesel valve and valve seat mating surface lapping device for a kind of large ship described in claim 1 or 4 or 5, it is characterized in that, it is also provided with grease-box (6), described grease-box (6) is open top structure, it is upper that it is fixed on base (1), in the lubricating oil of the cam bottom dip lubrication fuel tank (6) of described cam drive (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320869136.7U CN203680016U (en) | 2013-12-27 | 2013-12-27 | Grinding device for matching surfaces of air valve and valve seat of diesel engine for large ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320869136.7U CN203680016U (en) | 2013-12-27 | 2013-12-27 | Grinding device for matching surfaces of air valve and valve seat of diesel engine for large ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203680016U true CN203680016U (en) | 2014-07-02 |
Family
ID=51001975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320869136.7U Expired - Lifetime CN203680016U (en) | 2013-12-27 | 2013-12-27 | Grinding device for matching surfaces of air valve and valve seat of diesel engine for large ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203680016U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659571A (en) * | 2013-12-27 | 2014-03-26 | 山海关船舶重工有限责任公司 | Grinding device for matching surface between air valve and valve seat of large-sized diesel engine |
| CN106820254A (en) * | 2016-12-06 | 2017-06-13 | 常德瑞华制造有限公司 | Pressure cigarette equipment |
| CN107378749A (en) * | 2017-08-30 | 2017-11-24 | 重庆市永川区泰兴机械厂 | Boat diesel engine lapping device |
| CN107398797A (en) * | 2017-08-30 | 2017-11-28 | 重庆市永川区泰兴机械厂 | Marine diesel engine air valve and valve seat mating surface lapping device |
| CN107571117A (en) * | 2017-08-30 | 2018-01-12 | 重庆市永川区泰兴机械厂 | Marine diesel engine air valve and valve seat mating surface Ginding process |
| CN112775768A (en) * | 2020-09-04 | 2021-05-11 | 北京天海工业有限公司 | Multi-station grinding machine for conical valve core and valve seat of hydraulic press |
-
2013
- 2013-12-27 CN CN201320869136.7U patent/CN203680016U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659571A (en) * | 2013-12-27 | 2014-03-26 | 山海关船舶重工有限责任公司 | Grinding device for matching surface between air valve and valve seat of large-sized diesel engine |
| CN106820254A (en) * | 2016-12-06 | 2017-06-13 | 常德瑞华制造有限公司 | Pressure cigarette equipment |
| CN106820254B (en) * | 2016-12-06 | 2018-08-03 | 常德瑞华制造有限公司 | Press cigarette equipment |
| CN107378749A (en) * | 2017-08-30 | 2017-11-24 | 重庆市永川区泰兴机械厂 | Boat diesel engine lapping device |
| CN107398797A (en) * | 2017-08-30 | 2017-11-28 | 重庆市永川区泰兴机械厂 | Marine diesel engine air valve and valve seat mating surface lapping device |
| CN107571117A (en) * | 2017-08-30 | 2018-01-12 | 重庆市永川区泰兴机械厂 | Marine diesel engine air valve and valve seat mating surface Ginding process |
| CN107378749B (en) * | 2017-08-30 | 2018-11-13 | 重庆市永川区泰兴机械厂 | Boat diesel engine grinding device |
| CN107398797B (en) * | 2017-08-30 | 2019-01-29 | 重庆市永川区泰兴机械厂 | Marine diesel engine air valve and valve seat mating surface grinding device |
| CN107571117B (en) * | 2017-08-30 | 2019-01-29 | 重庆市永川区泰兴机械厂 | Marine diesel engine air valve and valve seat mating surface grinding method |
| CN112775768A (en) * | 2020-09-04 | 2021-05-11 | 北京天海工业有限公司 | Multi-station grinding machine for conical valve core and valve seat of hydraulic press |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203680016U (en) | Grinding device for matching surfaces of air valve and valve seat of diesel engine for large ship | |
| CN104589183B (en) | Processing device for ultrasonic grinding on sapphire lenses | |
| CN104191328B (en) | Automatically conveying type pot edging system | |
| CN204170896U (en) | A kind of automatic oiling oiling station | |
| CN203804730U (en) | Planar milling and grinding machine | |
| CN105537645A (en) | Automatic drilling device for cylindrical parts | |
| CN103659571A (en) | Grinding device for matching surface between air valve and valve seat of large-sized diesel engine | |
| CN114603467B (en) | Polishing and grinding device for engine cylinder end cover | |
| CN107520532A (en) | Servo-drive repairs a die, changes electrode cap integral mechanism automatically | |
| CN205342710U (en) | Fine crusher tup surface polishing machine | |
| CN207873928U (en) | A kind of steel plate polishing machine | |
| CN103657955A (en) | Multi-station glue injector with rotary device for filter casing | |
| CN110039427A (en) | Continuous multi-station polishing machine station positioning device | |
| CN203648795U (en) | Multi-station glue-injection machine for shell of filter | |
| CN207087530U (en) | Intelligent vertical optical element precision milling and grinding machine and optical element milling fixture | |
| CN205844114U (en) | A kind of valve valve retainer friction pair abrasion test device | |
| CN104511798A (en) | Honing processing method for high-precision copper rotor plunger holes | |
| CN202239658U (en) | Full-automatic hydraulic instrument lathe | |
| CN203648796U (en) | Filter shell multi-station glue-injection machine with rotary device | |
| CN210550428U (en) | Screw tap grinding device | |
| CN201604053U (en) | Edge milling chamfering equipment with gas and liquid sharing control system | |
| CN206752509U (en) | A kind of sphere inspection shaft repair machine | |
| CN205928111U (en) | Digit control machine tool cutter installation accuracy testing device | |
| CN205342477U (en) | Heavy numerical control merry go round machine brake arresting gear | |
| CN107059927A (en) | A kind of sphere inspection shaft repair machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |