CN105436869A - Support platform for installing and disassembling diesel engine crankshaft vibration reducer - Google Patents
Support platform for installing and disassembling diesel engine crankshaft vibration reducer Download PDFInfo
- Publication number
- CN105436869A CN105436869A CN201610007859.4A CN201610007859A CN105436869A CN 105436869 A CN105436869 A CN 105436869A CN 201610007859 A CN201610007859 A CN 201610007859A CN 105436869 A CN105436869 A CN 105436869A
- Authority
- CN
- China
- Prior art keywords
- damper
- slide block
- crankshaft
- diesel engine
- vibration reducer
- 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
- 239000003638 chemical reducing agent Substances 0.000 title abstract 9
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 7
- 238000005304 joining Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 7
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/07—Crankshafts
Abstract
The invention discloses a support platform for installing and disassembling a diesel engine crankshaft vibration reducer. The support platform comprises an axial V-shaped groove for supporting the vibration reducer, a horizontal movable table, and a hydraulic lifting device positioned below the horizontal movable table; a first slide block extends below the axial V-shaped groove; and a first chute matched with the first slide block for use is formed in the horizontal movable table. The support platform for installing and disassembling the diesel engine crankshaft vibration reducer has such advantages as simple structure, convenience for operation, high installation efficiency and good safety, supports and fixes the vibration reducer, enhances the balance of the vibration reducer in the installation process, and prevents the lifting of the vibration reducer; and the transverse motion of the axial V-shaped groove and a lifting mechanism can realize automatic centering of an inner hole of the vibration reducer and the axis of a crankshaft in all directions so as to quickly finish the coaxiality matching of the inner hole of the vibration reducer and the crankshaft.
Description
Technical field
The present invention relates to a kind of crankshaft of diesel engine damper mounting or dismounting support platform, belong to the support platform field of big marine diesel engine crankshaft vibration damper mounting or dismounting.
Background technology
Be one of most effective measures slowing down crankshaft vibration at crankshaft front end mounting shock absorber, conventional damper of diesel engine comprises the types such as low speed silicon oil shock absorber, middle high spring damper and high speed film chip damper.When diesel engine works, the energy of the absorption crankshaft system twisting vibration that damper can be a large amount of, thus slow down the twisting vibration of bent axle, usually adopt circular cone interference fit connected mode.The stability of damper assembling and dissembling process is conducive to improving efficiency of assembling, particularly adopts the crankshaft of diesel engine damper that circular cone interference fit connects, and damper is installed has phase requirements with bent axle original state.The stability of its assembling and dissembling process is significant to raising efficiency of assembling with location.Damper mounting or dismounting axiality is remarkable to its performance impact, and tool has high requirements.
At present, crankshaft vibration damper is installed most employing and is manually lifted operation, and assembling process balance is poor, is easy to the scratch causing bent axle surface and damper endoporus.Especially in the damper assembling process adopting circular cone interference fit to connect, along with the increase of the axial amount of pushing, bent axle surface and damper endoporus change interference fit into gradually from matched in clearance.Being badly in need of a kind of stability platform can make damper can move freely and centering left and right in axial push-on process.When crankshaft vibration damper is installed, on damper, on pin-and-hole and crankshaft end-face, pin-and-hole must on same Radius, to meet phase requirements.But the crankshaft vibration damper installation method of Traditional Man operation is difficult to the accurate location realizing pin-and-hole, positioning tool is needed to carry out the secondary location of pin-and-hole, when error is larger, also need manual rotation's damper, operating process is complicated, and efficiency is not high, the bent axle particularly adopting circular cone interference fit to connect and damper, easily cause the scratch of bent axle and damper endoporus, be badly in need of the workbench that a kind of locus is adjustable.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of crankshaft of diesel engine damper mounting or dismounting support platform, quick and precisely can realize the automatic centering of bent axle and damper and the location of crankshaft vibration damper end face pin hole, improve efficiency of assembling and quality.
Technical scheme: for achieving the above object, a kind of crankshaft of diesel engine damper mounting or dismounting support platform of the present invention, comprise for support shock absorber axial V-type groove, move horizontally platform and be positioned at the hydraulic lift moved horizontally below platform, the below of described axial V-type groove is extended with the first slide block, move horizontally platform is provided with the first slide block with the use of the first chute.
As preferably, hydraulic lift comprises two pairs of connecting rods, piston rod and hydraulic cylinders, a slide link and a pivot link is comprised in pair of links, slide link and pivot link hinged at joining place, two joinings are connected by support bar, pivot link one end is hinged on movable base, the other end is hinged on and moves horizontally on platform, the two ends of slide link are provided with the second slide block and the 3rd slide block, described second slide block moves along the guide-track groove moved horizontally below platform, and described 3rd slide block moves along the guide-track groove on movable base; Described support bar is connected with piston rod, and piston rod is connected with hydraulic cylinder, and hydraulic cylinder is fixed on movable base.
As preferably, described V-type groove is provided with Bolt to position bayonet socket, and the pin-and-hole of damper is provided with bolt, can realize damper and install phase place quick lock in.
As preferably, the first slide block extended below described axial V-type groove, can be free to slide moving horizontally in the first chute on platform, and the first chute two ends is provided with safety locking mechanism, prevent the first slide block from skidding off the first chute.
In the process that crankshaft vibration damper to be gradated by matched in clearance as interference fit, axial V-type groove of the present invention can when bent axle surface and damper endoporus cone match under mutual squeezing action power about move freely and automatic centering.
Bolt bayonet socket on axial V-type groove of the present invention coordinates with bolt can make crankshaft vibration damper end face pin hole quick and precisely locate, and realizes the PGC demodulation of crankshaft vibration damper.The position of damper outer surface positioning bolt hole installs phase requirements according to dissimilar damper and design feature is determined.
Beneficial effect: crankshaft of diesel engine damper mounting or dismounting support platform of the present invention, there is the advantages such as structure is simple, easy to operate, installation effectiveness is high, security is good, utilize support platform to support and fix damper, enhancing the balance of damper installation process, avoiding the lifting of damper; Transverse shifting and the hydraulic lift of axial V-type groove can realize damper endoporus and axis self-centering up and down, complete the cooperation of damper endoporus and bent axle fast; The pin-and-hole bolt of damper outer shroud is arranged in the bolt bayonet socket of axial V-type groove inner surface, not only can realize the fixing of damper, and can make the pin-and-hole of pin-and-hole and crankshaft end-face on damper on same Radius, make damper PGC demodulation, avoid adopting positioning tool to carry out the secondary location of pin-and-hole, simplify the installation process of damper, especially when carrying out adopting the installation of the bent axle of circular cone interference fit and damper, the damage that damper endoporus and bent axle coordinate section can be avoided.
Accompanying drawing explanation
Structural representation during Fig. 1 to be crankshaft of diesel engine damper mounting or dismounting support platform be diesel engine assembling damper;
Fig. 2 is crankshaft of diesel engine leading section bit architecture schematic overview;
Fig. 3 is the outer collar bolt of damper and axial V-type groove inner surface Bolt to position bayonet fittings structural representation;
Fig. 4 is the structural representation of hydraulic lift and driver part;
Fig. 5 is the structural representation of damper and outer surface bolt thereof.
In figure: position, crankshaft of diesel engine front end 1, damper shell 10, bent axle 11, damper 2, axial V-type groove 3, Bolt to position bayonet socket 12, moves horizontally platform 4, hydraulic lift 5, piston rod 6, hydraulic cylinder 7, hydraulic regulating device 8, movable base 9, the second slide block 13, connecting rod 14, bolt 15.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, crankshaft of diesel engine damper mounting or dismounting support platform of the present invention comprises axial V-type groove 3, moves horizontally platform 4, hydraulic lift 5, has the movable base 9 of locking function.
As shown in figures 1 and 3, described axial V-type groove 3 is for supporting fixing damper 2.The size of axial V-type groove 3 designs according to the physical dimension of damper 2, designs the axial V-type groove 3 of 3 kinds of sizes altogether, can adapt to the installation of different model damper 2.Described axial V-type groove lower end first slide block is embedded in and moves horizontally in the first chute of platform, coordinated by smooth surface, damper can be moved freely and automatic centering left and right under cone match active force, and the first chute two ends are provided with safety locking mechanism, prevent the first slide block from skidding off the first chute, safety locking mechanism is preferably baffle plate, and baffle plate is arranged on the two ends of the first chute by screw.
As shown in Figure 3 and Figure 5, described axial V-type groove 3 has Bolt to position bayonet socket 12.By the bolt 15 on fixing damper 2 outer surface, Bolt to position bayonet socket 12 can by the PGC demodulation of damper, the pin-and-hole on damper on pin-and-hole and crankshaft end-face can be made to be on a radius, realize the accurate location of pin-and-hole.The position of bolt 15 installs phase place according to dissimilar damper and design feature is determined, the damper that can adapt to different size is installed.As shown in Figure 2, position, crankshaft of diesel engine front end 1 comprises damper shell 10 and bent axle 11, and bent axle 11 is assembled in damper 2.
As shown in Figure 1 and Figure 4, in preferred version of the present invention, hydraulic lift 5 is made up of the paired cross-articulation of four connecting rods 14, parallelogram groove is provided with in hinged place, enable the revolute pair consistency from top to bottom at interlinking lever end place, improve the hinged performance of two bars and add the stability of axial V-type groove.The weight capacity of hydraulic lift 5 is carried out calculating according to the structure of large-scale diesel engine crankshaft vibration damper and quality and is checked design, guarantees that it can support various types of large-scale diesel engine crankshaft vibration damper.Second slide block 13 hinged with connecting rod top is embedded in the guide-track groove moving horizontally platform 4 lower end, and three slide block hinged with connecting rod lower end is embedded in the guide-track groove of movable base.Slide block and guide rail surface required precision very high, with reduce hydraulic lift motion time friction.In preferred version of the present invention, the second slide block and the 3rd slide block structure are trapezoidal, and guide-track groove structure matches.
As shown in Figure 1 and Figure 4, in preferred version of the present invention, be made up of hydraulic cylinder, hydraulic regulating device, oil pipe, fuel tank etc. for driving the driver part of lifting.Described hydraulic cylinder comprises piston rod 6, hydraulic cylinder 7; Hydraulic regulating device 8 by hydraulic pump, drive the control and regulation element of oil liquid pressure, flow and the flow direction in the motor of hydraulic pump, control system to form.When mounting shock absorber, hydraulic regulating device hydraulic control cylinder drives hydraulic lift 5 to move up and down, make damper endoporus axle center fast and crankshaft front end axle center reach sustained height.
As shown in Figure 1, crankshaft of diesel engine damper mounting or dismounting support platform of the present invention is as follows in the specific works method of mounting shock absorber:
(1) be installed to according to different model damper 2 chosen axis move horizontally on platform 4 to V-type groove 3, bolt 15 is arranged in the bolt hole of damper 2 outer shroud.
(2) platform 4 will be moved horizontally and drop to extreme lower position, damper will be fixed in axial V-type groove, and promote movable base 9 to band assembling crankshaft of diesel engine front end, and lock movable base 9.During installation, pin-and-hole bolt 15 is fixed in the Bolt to position bayonet socket 12 of axial V-type groove inner surface, and the phase place of fixing damper 2, when guaranteeing mounting shock absorber 2, can make damper 2 and bent axle 11 pin-and-hole on same Radius, realize the accurate location of pin-and-hole.
(3) hydraulic control adjusting device 8, in hydraulic cylinder 7, hydraulic oil is passed into by hydraulic pump, piston rod 6 is moved, drive hydraulic lift 5 that damper is moved up, when damper endoporus axle center and crankshaft front end axle center arrive sustained height, hydraulic regulating device 8 turbine shutdown oil pressure conveying also pressurize.Axially promote damper, damper is moved freely and automatic centering by left and right when bent axle surface and damper endoporus conical surface mating reaction power, completes the cooperation of damper endoporus and crankshaft front end.
(4) damper 2 is pushed bent axle 11 front end to assigned address.Guarantee that damper and bent axle meet phase requirements, hydraulic pressure load push-pull and phase place pin are installed, unload bolt 15, utilize hydraulic pressure load push-pull to continue to push, complete the installation of damper.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. a crankshaft of diesel engine damper mounting or dismounting support platform, it is characterized in that: comprise for support shock absorber axial V-type groove, move horizontally platform and be positioned at the hydraulic lift moved horizontally below platform, the below of described axial V-type groove is extended with the first slide block, move horizontally platform is provided with the first slide block with the use of the first chute.
2. crankshaft of diesel engine damper mounting or dismounting support platform according to claim 1, it is characterized in that: described hydraulic lift comprises two pairs of connecting rods, piston rod and hydraulic cylinder, a slide link and a pivot link is comprised in pair of links, slide link and pivot link hinged at joining place, two joinings are connected by support bar, pivot link one end is hinged on movable base, the other end is hinged on and moves horizontally on platform, the two ends of slide link are provided with the second slide block and the 3rd slide block, described second slide block moves along the guide-track groove moved horizontally below platform, described 3rd slide block moves along the guide-track groove on movable base, described support bar is connected with piston rod, and piston rod is connected with hydraulic cylinder, and hydraulic cylinder is fixed on movable base.
3. crankshaft of diesel engine damper mounting or dismounting support platform according to claim 1, is characterized in that: described V-type groove is provided with Bolt to position bayonet socket, and the pin-and-hole of damper is provided with bolt, can realize damper and install phase place quick lock in.
4. crankshaft of diesel engine damper mounting or dismounting support platform according to claim 1, is characterized in that: described first chute two ends are provided with the safety locking mechanism preventing the first slide block from skidding off the first chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007859.4A CN105436869B (en) | 2016-01-06 | 2016-01-06 | Crankshaft of diesel engine damper assembly and disassembly support platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007859.4A CN105436869B (en) | 2016-01-06 | 2016-01-06 | Crankshaft of diesel engine damper assembly and disassembly support platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105436869A true CN105436869A (en) | 2016-03-30 |
| CN105436869B CN105436869B (en) | 2017-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610007859.4A Active CN105436869B (en) | 2016-01-06 | 2016-01-06 | Crankshaft of diesel engine damper assembly and disassembly support platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN105436869B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363423A (en) * | 2016-05-11 | 2017-11-21 | 中车青岛四方机车车辆股份有限公司 | A kind of tooling platform switching system |
| CN108032253A (en) * | 2017-12-29 | 2018-05-15 | 青岛软控机电工程有限公司 | Shaft element handler |
| CN109760799A (en) * | 2019-02-14 | 2019-05-17 | 江苏科技大学 | The intelligent moulding bed system built towards boat segmental |
| CN111687614A (en) * | 2020-06-23 | 2020-09-22 | 东北电力大学 | Automatic dismouting device of hot press pressure head |
| CN112790568A (en) * | 2021-03-19 | 2021-05-14 | 铂悦佳业(无锡)科技有限公司 | High-expansion-ratio structure and expansion device for deformable model |
| CN112935338A (en) * | 2021-01-29 | 2021-06-11 | 山东源运通矿山装备科技有限公司 | Frame support pneumatic hand-held drilling machine |
| CN114749889A (en) * | 2022-05-13 | 2022-07-15 | 江苏兴锻智能装备科技有限公司 | Method for mounting large eccentric shaft |
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| KR100623075B1 (en) * | 2005-04-12 | 2006-09-13 | 조재인 | Method for making a crank shaft |
| CN104097175A (en) * | 2014-07-09 | 2014-10-15 | 中船动力有限公司 | Demounting tool and method for shock absorber for diesel engine crankshaft |
| CN203875576U (en) * | 2014-05-15 | 2014-10-15 | 夏新智 | Crankshaft automatic pressing key pin fixture |
| CN205290311U (en) * | 2016-01-06 | 2016-06-08 | 江苏科技大学 | Diesel engine crankshaft vibration damper is installed and removed and is used supporting platform |
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2016
- 2016-01-06 CN CN201610007859.4A patent/CN105436869B/en active Active
Patent Citations (5)
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| JP2000033902A (en) * | 1998-07-21 | 2000-02-02 | Honda Motor Co Ltd | Loading device for parts package to packaging case |
| KR100623075B1 (en) * | 2005-04-12 | 2006-09-13 | 조재인 | Method for making a crank shaft |
| CN203875576U (en) * | 2014-05-15 | 2014-10-15 | 夏新智 | Crankshaft automatic pressing key pin fixture |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363423A (en) * | 2016-05-11 | 2017-11-21 | 中车青岛四方机车车辆股份有限公司 | A kind of tooling platform switching system |
| CN108032253A (en) * | 2017-12-29 | 2018-05-15 | 青岛软控机电工程有限公司 | Shaft element handler |
| CN109760799A (en) * | 2019-02-14 | 2019-05-17 | 江苏科技大学 | The intelligent moulding bed system built towards boat segmental |
| CN111687614A (en) * | 2020-06-23 | 2020-09-22 | 东北电力大学 | Automatic dismouting device of hot press pressure head |
| CN111687614B (en) * | 2020-06-23 | 2021-10-15 | 东北电力大学 | Automatic dismouting device of hot press pressure head |
| CN112935338A (en) * | 2021-01-29 | 2021-06-11 | 山东源运通矿山装备科技有限公司 | Frame support pneumatic hand-held drilling machine |
| CN112790568A (en) * | 2021-03-19 | 2021-05-14 | 铂悦佳业(无锡)科技有限公司 | High-expansion-ratio structure and expansion device for deformable model |
| CN112790568B (en) * | 2021-03-19 | 2023-10-10 | 铂悦佳业(无锡)科技有限公司 | High expansion ratio structure and expansion device for deformation model |
| CN114749889A (en) * | 2022-05-13 | 2022-07-15 | 江苏兴锻智能装备科技有限公司 | Method for mounting large eccentric shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105436869B (en) | 2017-10-17 |
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Application publication date: 20160330 Assignee: ZHENJIANG JINDING GEARBOX Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2020980007285 Denomination of invention: Support platform for assembling and disassembling crankshaft shock absorber of diesel engine Granted publication date: 20171017 License type: Common License Record date: 20201102 |
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Assignee: ZHENJIANG JINDING GEARBOX Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2020980007285 Date of cancellation: 20201223 |
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Application publication date: 20160330 Assignee: Jiangsu University of Science and Technology Technology Transfer Center Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2022980022975 Denomination of invention: Support platform for assembly and disassembly of diesel engine crankshaft shock absorber Granted publication date: 20171017 License type: Common License Record date: 20221128 |
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Assignee: Jiangsu University of Science and Technology Technology Transfer Center Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2022980022975 Date of cancellation: 20230310 |
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