CN205290311U - Diesel engine crankshaft vibration damper is installed and removed and is used supporting platform - Google Patents
Diesel engine crankshaft vibration damper is installed and removed and is used supporting platform Download PDFInfo
- Publication number
- CN205290311U CN205290311U CN201620008248.7U CN201620008248U CN205290311U CN 205290311 U CN205290311 U CN 205290311U CN 201620008248 U CN201620008248 U CN 201620008248U CN 205290311 U CN205290311 U CN 205290311U
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- amortisseur
- platform
- diesel engine
- slide block
- crankshaft
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Abstract
The utility model discloses a diesel engine crankshaft vibration damper is installed and removed and is used supporting platform, hydraulic pressure elevating gear below being used for supporting axial V type groove, the horizontal migration platform of bumper shock absorber and being located the horizontal migration platform, extend the below in axial V type groove has first slider, is equipped with the first spout that uses with the cooperation of first slider at the horizontal migration bench. The utility model discloses a diesel engine crankshaft vibration damper is installed and removed and is used supporting platform has advantages such as simple structure, convenient operation, installation effectiveness are high, the security is good, utilizes supporting platform to support and fix the bumper shock absorber, has strengthened the equilibrium of bumper shock absorber installation, has avoided the hoist and mount of bumper shock absorber, the lateral shifting and the elevating system in axial V type groove can realize bumper shock absorber hole and bent axle axis left and right sides automatic centering from top to bottom, accomplish the axiality cooperation of bumper shock absorber hole and bent axle fast.
Description
Technical field
The present invention relates to a kind of crankshaft of diesel engine amortisseur mounting or dismounting and support platform, belong to the support platform field of big marine diesel engine crankshaft vibration damper mounting or dismounting.
Background technology
Being one of most effective measure slowing down crankshaft vibration at crankshaft front end mounting shock absorber, conventional damper of diesel engine includes the types such as low speed silicon oil shock absorber, middle high spring damper and high speed film chip amortisseur. When diesel engine works, amortisseur can the energy of substantial amounts of absorption crankshaft system twisting vibration, thus slowing down the twisting vibration of bent axle, generally adopt circular cone interference fit connected mode. The stability of amortisseur assembling and dissembling process is conducive to improving efficiency of assembling, and especially with the crankshaft of diesel engine amortisseur that circular cone interference fit couples, amortisseur is installed has phase requirements with bent axle original state. The stability of its assembling and dissembling process and location are significant to improving efficiency of assembling. Amortisseur mounting or dismounting axiality is notable 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 balances is poor, it is easy to cause crankshaft surface and the scratch of amortisseur endoporus. Especially in the amortisseur assembling process adopting circular cone interference fit to connect, along with the increase of the axial amount of pushing, crankshaft surface and amortisseur endoporus are gradually converted into interference fit from matched in clearance. Being badly in need of a kind of stability platform can make amortisseur can move freely and centering left and right in axial push-on process. When crankshaft vibration damper is installed, on amortisseur 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 difficulty with being accurately positioned of pin-and-hole, positioning tool is needed to carry out the second positioning of pin-and-hole, when error is bigger, also need manual rotation's amortisseur, operating process is complicated, inefficient, especially with bent axle and the amortisseur of the connection of circular cone interference fit, easily cause bent axle and the scratch of amortisseur endoporus, be badly in need of the adjustable workbench in a kind of locus.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of crankshaft of diesel engine amortisseur mounting or dismounting to support platform, the location of the bent axle automatic centering with amortisseur and crankshaft vibration damper end face pin hole be can quick and precisely realize, efficiency of assembling and quality improved.
Technical scheme: for achieving the above object, a kind of crankshaft of diesel engine amortisseur mounting or dismounting of the present invention support platform, including for support shock absorber axial V-groove, move horizontally platform and be positioned at the hydraulic lift moved horizontally below platform, described axial V-groove extended below 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 includes two pairs of connecting rods, piston rod and hydraulic cylinder, pair of links comprises a slide link and a pivot link, slide link is hinged at joining place with pivot link, two joinings are connected by support bar, pivot link one end is hinged on mobile 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 edge moves horizontally the guide-track groove below platform and moves, and described 3rd slide block guide-track groove along mobile base moves; Described support bar is connected with piston rod, and piston rod is connected with hydraulic cylinder, and hydraulic cylinder is fixed on mobile base.
As preferably, described V-groove is provided with Bolt to position bayonet socket, is provided with bolt on the pin-and-hole of amortisseur, it may be achieved phase place quick lock in installed by amortisseur.
As preferably, the first slide block that described axial V-groove extends below, can in the first chute moved horizontally on platform slidably, and the first chute two ends are provided with safety locking mechanism, it is prevented that the first slide block skids off the first chute.
Gradated as in the process of interference fit at crankshaft vibration damper by matched in clearance, axial V-groove of the present invention can when crankshaft surface and amortisseur endoporus cone match under mutual squeezing action power left and right move freely and automatic centering.
Bolt bayonet socket on axial V-groove of the present invention coordinates with bolt can make crankshaft vibration damper end face pin hole quick and precisely position, it is achieved the PGC demodulation of crankshaft vibration damper. The position of amortisseur outer surface positioning bolt hole installs phase requirements according to dissimilar amortisseur and construction features is determined.
Beneficial effect: the crankshaft of diesel engine amortisseur mounting or dismounting of the present invention are with supporting platform, the advantage such as there is simple in construction, easy to operate, installation effectiveness is high, safety is good, utilize and support platform and fix amortisseur, enhance the balance of amortisseur installation process, it is to avoid the lifting of amortisseur; The transverse shifting of axial V-groove and hydraulic lift can realize amortisseur endoporus and axis self-centering up and down, are rapidly completed the cooperation of amortisseur endoporus and bent axle; The pin-and-hole bolt of amortisseur outer shroud is arranged in the bolt bayonet socket of axial V-groove inner surface, it is possible not only to realize the fixing of amortisseur, and can make on amortisseur the pin-and-hole of pin-and-hole and crankshaft end-face on same Radius, make amortisseur PGC demodulation, avoid the second positioning adopting positioning tool to carry out pin-and-hole, simplify the installation process of amortisseur, especially when carrying out the installation adopting the bent axle of circular cone interference fit and amortisseur, it is possible to avoid amortisseur endoporus and the damage of bent axle cooperation section.
Accompanying drawing explanation
Fig. 1 is crankshaft of diesel engine amortisseur mounting or dismounting support platform is structural representation during diesel engine assembling amortisseur;
Fig. 2 is crankshaft of diesel engine leading section bit architecture schematic overview;
Fig. 3 is the outer collar bolt of amortisseur and axial V-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 amortisseur and the structural representation of outer surface bolt thereof.
In figure: position, crankshaft of diesel engine front end 1, amortisseur shell 10, bent axle 11, amortisseur 2, axial V-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, mobile 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 it is shown in figure 1, crankshaft of diesel engine amortisseur mounting or dismounting support platform of the present invention includes axial V-groove 3, move horizontally platform 4, hydraulic lift 5, there is the mobile base 9 of locking function.
As shown in figures 1 and 3, described axial V-groove 3 is used for supporting fixing amortisseur 2. The size of axial V-groove 3 is designed according to the physical dimension of amortisseur 2, designs the axial V-groove 3 of 3 kinds of sizes altogether, it is possible to adapt to the installation of different model amortisseur 2. Described axial V-groove lower end the first slide block is embedded in the first chute moving horizontally platform, coordinated by smooth surface, make amortisseur can move freely and automatic centering left and right under cone match active force, and first chute two ends be 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-groove 3 has Bolt to position bayonet socket 12. By the bolt 15 on fixing amortisseur 2 outer surface, Bolt to position bayonet socket 12 can by the PGC demodulation of amortisseur, it is possible to the pin-and-hole made on amortisseur on pin-and-hole and crankshaft end-face is on a radius, it is achieved being accurately positioned of pin-and-hole. The position of bolt 15 installs phase place according to dissimilar amortisseur and construction features is determined, it is possible to the amortisseur adapting to different size is installed. As in figure 2 it is shown, position, crankshaft of diesel engine front end 1 comprises amortisseur shell 10 and bent axle 11, bent axle 11 is assembled in amortisseur 2.
As shown in Figure 1 and Figure 4, in the preferred version of the present invention, hydraulic lift 5 is made up of the paired cross-articulation of four connecting rods 14, parallelogram groove it 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-groove. The weight capacity of hydraulic lift 5 is calculated checking design according to structure and the quality of large-scale diesel engine crankshaft vibration damper, it is ensured 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 threeth slide block hinged with connecting rod lower end is embedded in the guide-track groove of mobile base. Slide block and guide rail surface required precision are significantly high, to reduce friction during hydraulic lift motion. In the 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 the preferred version of the present invention, for driving the driver part of lifting to be made up of hydraulic cylinder, hydraulic regulating device, oil pipe, fuel tank etc. Described hydraulic cylinder includes piston rod 6, hydraulic cylinder 7; Hydraulic regulating device 8 is made up of the control and regulation element of oil liquid pressure, flow and the flow direction in hydraulic pump, the driving motor of hydraulic pump, control system.When mounting shock absorber, hydraulic regulating device controls Driven by Hydraulic Cylinder hydraulic lift 5 and moves up and down, and makes amortisseur endoporus axle center quickly and crankshaft front end axle center reaches sustained height.
As it is shown in figure 1, crankshaft of diesel engine amortisseur mounting or dismounting of the present invention support platform is as follows in the specific works method of mounting shock absorber:
(1) select axial V-groove 3 according to different model amortisseur 2 and be installed to and move horizontally on platform 4, bolt 15 is arranged in the bolt hole of amortisseur 2 outer shroud.
(2) platform 4 will be moved horizontally and be preferably minimized position, amortisseur will be fixed in axial V-groove, and promote mobile base 9 to band assembling crankshaft of diesel engine front end, and lock mobile base 9. During installation, pin-and-hole bolt 15 is fixed in the Bolt to position bayonet socket 12 of axial V-groove inner surface, the phase place of fixing amortisseur 2, it is ensured that during mounting shock absorber 2, it is possible to make amortisseur 2 and bent axle 11 pin-and-hole on same Radius, it is achieved being accurately positioned of pin-and-hole.
(3) hydraulic regulating device 8 is controlled, in hydraulic cylinder 7, hydraulic oil is passed into by hydraulic pump, piston rod 6 is made to move, hydraulic lift 5 is driven to make amortisseur move up, when amortisseur endoporus axle center and crankshaft front end axle center arrive sustained height, the conveying also pressurize of hydraulic regulating device 8 turbine shutdown oil pressure. Axially promoting amortisseur, when enabling amortisseur by crankshaft surface and amortisseur endoporus conical surface mating reaction power, left and right moves freely and automatic centering, completes the cooperation of amortisseur endoporus and crankshaft front end.
(4) amortisseur 2 is pushed bent axle 11 front end to specifying position. Guarantee that amortisseur 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 be pushed further into, complete the installation of amortisseur.
The above is only the preferred embodiment of the present invention; it is noted that, for those skilled in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (4)
1. crankshaft of diesel engine amortisseur mounting or dismounting are with supporting platform, it is characterized in that: include the axial V-groove for support shock absorber, move horizontally platform and be positioned at the hydraulic lift moved horizontally below platform, described axial V-groove extended below 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 amortisseur mounting or dismounting according to claim 1 support platform, it is characterized in that: described hydraulic lift includes two pairs of connecting rods, piston rod and hydraulic cylinder, pair of links comprises a slide link and a pivot link, slide link is hinged at joining place with pivot link, two joinings are connected by support bar, pivot link one end is hinged on mobile 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 edge moves horizontally the guide-track groove below platform and moves, described 3rd slide block guide-track groove along mobile base moves, described support bar is connected with piston rod, and piston rod is connected with hydraulic cylinder, and hydraulic cylinder is fixed on mobile base.
3. crankshaft of diesel engine amortisseur mounting or dismounting according to claim 1 support platform, it is characterised in that: described V-groove is provided with Bolt to position bayonet socket, is provided with bolt on the pin-and-hole of amortisseur, it may be achieved phase place quick lock in installed by amortisseur.
4. crankshaft of diesel engine amortisseur mounting or dismounting according to claim 1 support platform, it is characterised 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 |
|---|---|---|---|
| CN201620008248.7U CN205290311U (en) | 2016-01-06 | 2016-01-06 | Diesel engine crankshaft vibration damper is installed and removed and is used supporting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620008248.7U CN205290311U (en) | 2016-01-06 | 2016-01-06 | Diesel engine crankshaft vibration damper is installed and removed and is used supporting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205290311U true CN205290311U (en) | 2016-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620008248.7U Withdrawn - After Issue CN205290311U (en) | 2016-01-06 | 2016-01-06 | Diesel engine crankshaft vibration damper is installed and removed and is used supporting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205290311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436869A (en) * | 2016-01-06 | 2016-03-30 | 江苏科技大学 | Support platform for installing and disassembling diesel engine crankshaft vibration reducer |
-
2016
- 2016-01-06 CN CN201620008248.7U patent/CN205290311U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436869A (en) * | 2016-01-06 | 2016-03-30 | 江苏科技大学 | Support platform for installing and disassembling diesel engine crankshaft vibration reducer |
| CN105436869B (en) * | 2016-01-06 | 2017-10-17 | 江苏科技大学 | Crankshaft of diesel engine damper assembly and disassembly support platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160608 Effective date of abandoning: 20171017 |
|
| AV01 | Patent right actively abandoned |