CN208833506U - A kind of experimental rig for simulating rotating machinery Rolling peculiar to vessel - Google Patents
A kind of experimental rig for simulating rotating machinery Rolling peculiar to vessel Download PDFInfo
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- CN208833506U CN208833506U CN201821641612.9U CN201821641612U CN208833506U CN 208833506 U CN208833506 U CN 208833506U CN 201821641612 U CN201821641612 U CN 201821641612U CN 208833506 U CN208833506 U CN 208833506U
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- rotating machinery
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Abstract
A kind of experimental rig for simulating rotating machinery Rolling peculiar to vessel, belongs to rotating machinery heel experimental technique field, and the utility model is in order to solve the problems, such as currently without the rotor-support-foundation system experimental provision that can be used to simulate Ship Swaying.Driving hydraulic cylinder is fixed on workbench, one end of rocking bar and workbench are articulated with C point, and it is located at the side of the output end of driving hydraulic cylinder, the other end and pedestal of rocking bar are fixedly connected on A point, one end of piston rod and connecting rod on driving hydraulic cylinder output end is articulated with D point, the other end and rocking bar of connecting rod are articulated with B point, and connecting rod and rocking bar can be overlapped.A kind of experimental rig for simulating rotating machinery Rolling peculiar to vessel of the utility model can be by the transmission pendulous device of hydraulic control, to control swinging for bottom plate, and then the operating conditions such as the heel of model rotor system, trim.
Description
Technical field
The utility model relates to a kind of experimental rigs, and in particular to a kind of test dress for simulating rotating machinery Rolling peculiar to vessel
It sets, belongs to rotating machinery heel experimental technique field.
Background technique
When ship rides the sea, buoyancy and gravity is not conllinear when making to top-up under external force or the effect of internal force factor, this meeting
So that front and rear, left and right inclination occurs for ship, the drinking water of two sides of a ship generates difference, causes ship trim or heel.Oscillatory characteristic can make
Rotating machinery power equipment peculiar to vessel shows different dynamic characteristics, influences its Stability and dependability or even induced malfunction.Cause
This, which establishes a kind of experimental simulation device for simulating rotating machinery Rolling peculiar to vessel, has Important Project practical significance and directive function.
Utility model content
It is above-mentioned to solve the purpose of the utility model is to provide a kind of experimental rig for simulating rotating machinery Rolling peculiar to vessel
Technical problem.
A kind of experimental rig for simulating rotating machinery Rolling peculiar to vessel, including driving hydraulic cylinder, piston rod, connecting rod, rocking bar,
Pedestal and rotating machinery peculiar to vessel；
Driving hydraulic cylinder is fixed on workbench, and one end of rocking bar and workbench are articulated with C point, and are located at driving liquid
The side of the output end of cylinder pressure, the other end and pedestal of rocking bar are fixedly connected on A point, the piston rod on driving hydraulic cylinder output end
It is articulated with D point with one end of connecting rod, the other end and rocking bar of connecting rod are articulated with B point, and connecting rod and rocking bar can be overlapped.
Preferred: slewing includes motor, shaft, first bearing seat, disk and second bearing seat；
The motor is fixedly mounted on pedestal, and the output end of motor is connected with one end of shaft, the other end of shaft
First bearing seat, disk and second bearing seat are sequentially passed through, first bearing seat and second bearing seat are fixedly mounted on pedestal.
Preferred: the upper end of rocking bar is fixedly connected with pedestal by multiple bolts, the rounded distribution of bolt.
The utility model has the effect that compared with existing product
It can be by the transmission pendulous device of hydraulic control, to control swinging for bottom plate, and then model rotor system
The operating conditions such as heel, trim；
The experimental rig of design controls swinging for bottom plate, Jin Ermo by hydraulic system drive link swing mechanism
Heel, the trim operating condition of quasi- rotor-support-foundation system；The apparatus structure is simple, and component is few, easy to process, and transmission efficiency is high.By hydraulic
The controllable heavily loaded device of system, and by the horizontal displacement output of control hydraulic cylinder, and then the pivot angle amplitude of control heel is adjusted,
Security reliability and stability are high；
The consolidation style of rocking bar and pedestal uses bolt, both makes consolidation cooperation, this mode consolidates, by demounting bolt,
Rotating base angle, any conversion of achievable rolling and pitching test.
Detailed description of the invention
Fig. 1 is a kind of knot of experimental rig "Left"-deviationist state for simulating rotating machinery Rolling peculiar to vessel described in the utility model
Structure schematic diagram；
Fig. 2 is the structural schematic diagram of experimental rig horizontality；
Fig. 3 is the structural schematic diagram of experimental rig Right deviation state；
Fig. 4 is the structural schematic diagram of pedestal Yu rocking bar consolidation style；
Fig. 5 is the quasi-static stress analysis schematic diagram of experimental rig.
In figure: 1- driving hydraulic cylinder, 2- piston rod, 3- connecting rod, 4- rocking bar, the upper end 41-, 5- pedestal, 6- rotation peculiar to vessel
Mechanical equipment, 7- bolt.
Specific embodiment
The utility model preferred embodiment is elaborated below according to attached drawing.
As shown in Figures 1 to 5, described in the utility model a kind of based on the test dress for simulating rotating machinery Rolling peculiar to vessel
The force analysis method set, comprising the following steps:
Step 1, the experimental rig for simulating rotating machinery Rolling peculiar to vessel is established, determining influences rotating machinery Rolling peculiar to vessel
Factor；
Step 2, it by the factor and torque theorem of the influence rotating machinery Rolling peculiar to vessel determined in step 1, establishes each
Point stress relation formula；
Step 3, the quasi-static force analysis equation of mechanism is derived according to each point stress relation formula in step 2；
Step 4, the quasi-static force analysis equation of the mechanism obtained by step 3 obtains the stress of experimental rig.
A kind of experimental rig for simulating rotating machinery Rolling peculiar to vessel, including driving hydraulic cylinder 1, piston rod 2, connecting rod 3, shake
Bar 4, pedestal 5 and rotating machinery peculiar to vessel 6；
Driving hydraulic cylinder 1 is fixed on workbench, and one end of rocking bar 4 and workbench are articulated with C point, and are located at driving
The side of the output end of hydraulic cylinder 1, the other end of rocking bar 4 and pedestal 5 are fixedly connected on A point, on 1 output end of driving hydraulic cylinder
One end of piston rod 2 and connecting rod 3 is articulated with D point, and the other end and rocking bar 4 of connecting rod 3 are articulated with B point, and connecting rod 3 and rocking bar 4 can
Overlapping.
Further, slewing 6 includes motor, shaft, first bearing seat, disk and second bearing seat；
The motor is fixedly mounted on pedestal 5, and the output end of motor is connected with one end of shaft, the other end of shaft
First bearing seat, disk and second bearing seat are sequentially passed through, first bearing seat and second bearing seat are fixedly mounted on pedestal 5.
Further, the upper end 41 of rocking bar 4 is fixedly connected with pedestal 5 by multiple bolts 7, the rounded distribution of bolt 7.
Working principle: hydraulic cylinder pushes piston rod to move horizontally as driving device, piston rod and connecting rod hingedly with point A,
Piston rod drives connecting rod swing, and connecting rod and rocking bar are articulated with point B, rocking bar and ground fixed hinge in point C, rocking bar drive connecting rod around
Fixed hinge point C swing, pedestal and rocking bar are consolidated in point A, and pedestal and rotating machinery peculiar to vessel are consolidated, driven by rocking bar
Pedestal, and then control rotating machinery Rolling.
As shown in Figure 1, control HYDRAULIC CONTROL SYSTEM piston rod pushes to the right, connecting rod counter-clockwise swing is driven, connecting rod drives
Rocking bar reaches horizontality around point C clockwise oscillation, as shown in Fig. 2, continue movement may ultimately reach it is as shown in Figure 3
Right deviation state.
As shown in figure 3, control HYDRAULIC CONTROL SYSTEM piston rod push to the left, drive connecting rod take advantage of a situation hour hands swing, connecting rod band
Shake bar around point C counter-clockwise swing, and then reach horizontality, as shown in Fig. 2, continuing movement may ultimately reach as shown in Figure 1
Right deviation state.
The length of connecting rod and rocking bar BC sections of equal length in mechanism, i.e., in the entire motion process of mechanism, triangle
BDC is isosceles triangle.
The consolidation style of rocking bar and pedestal is using as shown in figure 4, cooperate the two consolidation by bolt, in this way admittedly
Knot passes through demounting bolt, rotating base angle, any conversion of achievable rolling and pitching test.
The quasi-static force analysis of mechanism is as shown in figure 5, by force analysis and torque quantitative analysis, when in equilbrium position
When, it can obtain:
Gsinβ.lAC-FsinαlBC=0
Wherein: the β of α=2
It can finally obtain: G.lAC-2F cosβlBC=0
G represents the gravity of pedestal and slewing, and F represents the active force that connecting rod gives rocking bar, and α represents connecting rod and rocking bar
Angle, β represent connecting rod and vertical direction angle, lBCRocking bar hinge joint B is represented to hinge joint C section length, lACIt is total to represent rocking bar
Length.
Pass through above-mentioned quasi-static analysis, it is known that, when β value is smaller, the power that piston rod provides can be reduced, and be conducive to improve mechanism
Transmission efficiency.Therefore β value is not to be exceeded 20 °, i.e. α is not to be exceeded 40 °, lBCLength should be greater than lAC2/3rds of length.
This embodiment is just an exemplary description of this patent, does not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (3)
1. a kind of experimental rig for simulating rotating machinery Rolling peculiar to vessel, it is characterised in that: including driving hydraulic cylinder (1), piston
Bar (2), connecting rod (3), rocking bar (4), pedestal (5) and rotating machinery peculiar to vessel (6)；
The driving hydraulic cylinder (1) is fixed on workbench, and one end of rocking bar (4) and workbench are articulated with C point, and are located at
The side of the output end of driving hydraulic cylinder (1), the other end of rocking bar (4) and pedestal (5) are fixedly connected on A point, driving hydraulic cylinder
(1) one end of the piston rod on output end (2) and connecting rod (3) is articulated with D point, and the other end and the rocking bar (4) of connecting rod (3) are articulated with
B point, and connecting rod (3) and rocking bar (4) can be overlapped.
2. a kind of experimental rig for simulating rotating machinery Rolling peculiar to vessel according to claim 1, it is characterised in that: described
Rotating machinery (6) peculiar to vessel includes motor, shaft, first bearing seat, disk and second bearing seat；
The motor is fixedly mounted on pedestal (5), and the output end of motor is connected with one end of shaft, the other end of shaft according to
Secondary to pass through first bearing seat, disk and second bearing seat, first bearing seat and second bearing seat are fixedly mounted on pedestal (5).
3. a kind of experimental rig for simulating rotating machinery Rolling peculiar to vessel according to claim 2, it is characterised in that: described
The upper end (41) of rocking bar (4) is fixedly connected with pedestal (5) by multiple bolts (7), bolt (7) rounded distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821641612.9U CN208833506U (en) | 2018-10-10 | 2018-10-10 | A kind of experimental rig for simulating rotating machinery Rolling peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821641612.9U CN208833506U (en) | 2018-10-10 | 2018-10-10 | A kind of experimental rig for simulating rotating machinery Rolling peculiar to vessel |
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| Publication Number | Publication Date |
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| CN208833506U true CN208833506U (en) | 2019-05-07 |
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| CN201821641612.9U Active CN208833506U (en) | 2018-10-10 | 2018-10-10 | A kind of experimental rig for simulating rotating machinery Rolling peculiar to vessel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163898A (en) * | 2018-10-10 | 2019-01-08 | 哈尔滨电气股份有限公司 | A kind of experimental rig and method for simulating rotating machinery Rolling peculiar to vessel |
| CN110588882A (en) * | 2019-10-21 | 2019-12-20 | 中国船舶工业集团公司第七0八研究所 | Heavy-load rolling simulation platform test device |
-
2018
- 2018-10-10 CN CN201821641612.9U patent/CN208833506U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163898A (en) * | 2018-10-10 | 2019-01-08 | 哈尔滨电气股份有限公司 | A kind of experimental rig and method for simulating rotating machinery Rolling peculiar to vessel |
| CN110588882A (en) * | 2019-10-21 | 2019-12-20 | 中国船舶工业集团公司第七0八研究所 | Heavy-load rolling simulation platform test device |
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