CN202710090U - Hydraulic servo driving balancing unit for swing table heaving motion - Google Patents
Hydraulic servo driving balancing unit for swing table heaving motion Download PDFInfo
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- CN202710090U CN202710090U CN 201220275646 CN201220275646U CN202710090U CN 202710090 U CN202710090 U CN 202710090U CN 201220275646 CN201220275646 CN 201220275646 CN 201220275646 U CN201220275646 U CN 201220275646U CN 202710090 U CN202710090 U CN 202710090U
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Abstract
The utility model relates to a hydraulic servo driving balancing unit for swing table heaving motion, belonging to the field of the hydraulic servo balancing technology. The hydraulic servo driving balancing unit for swing table heaving motion is characterized in that the hydraulic servo driving balancing unit includes a hydraulic servo cylinder, a balancing oil cylinder and a capsule type accumulator; the balancing oil cylinder and the capsule type accumulator are connected so as to form an oil and gas spring; and the hydraulic servo cylinder and the balancing oil cylinder support the balancing table body of the detected device. The hydraulic servo driving balancing unit for swing table heaving motion has the advantages of being simple in structure, being compact in assembling, being convenient to adjust, having wide adjusting range, being lower in the cost for maintenance, having good versatility, reducing the gravity impact, satisfying the driving requirements for high precision and large weight measurement, and being able to be applied to the laboratory environment to simulate heaving motion of warships, ships, boats on the sea and the motion environment for heaving when a helicopter is landed on a deck.
Description
Technical field
The utility model belongs to hydraulic servo balancing technique field, particularly relates to a kind of tilter heave movement Hydraulic servo drive balance device.
Background technology
At present, existing heave movement Hydrauservo System generally adopts servo-cylinder directly to drive, and this driving pattern advantage is simple in structure, easy to maintenance.But load-carrying is less, and robust motion is poor, and system power is larger, can not satisfy the requirement of large weight high precision measuring system.Existence can't the analogue simulation warship, the technical matterss such as movement environment of heave when ship, the afloat heave movement of ship and helicopter deck land.
Summary of the invention
The utility model provides a kind of tilter heave movement Hydraulic servo drive balance device for solving the technical matters that exists in the known technology.
The purpose of this utility model provides a kind ofly to be had simple in structurely, and assembling is compact, and is easy to adjust, range of adjustment is large, and maintenance cost is low, and versatility is good, reduce gravity and impact, satisfy the tilter heave movement Hydraulic servo drive balance device of the characteristics such as driving requirement of the large weight measurement of high precision.
The common mode that drives of the utility model servo apply hydraulic pressure oil cylinder and balancing cylinder.The balancing cylinder composition hydro-pneumatic spring that is connected with bladder type hydropneumatic accumulator, the weight of balancer body structure and tested device reduces gravity and impacts, and reduces system drive power, reduces investment and maintenance cost, improves kinetic stability.Can satisfy the driving requirement of the large balance meassurement of modern high precision system.
The technical scheme that the utility model tilter heave movement Hydraulic servo drive balance device is taked is:
A kind of tilter heave movement Hydraulic servo drive balance device, be characterized in: the Hydraulic servo drive balance device comprises hydraulic servo oil cylinder, balancing cylinder and bladder type hydropneumatic accumulator; The balancing cylinder composition hydro-pneumatic spring that is connected with bladder type hydropneumatic accumulator, hydraulic servo oil cylinder and balancing cylinder support the balance stage body of tested device.
The utility model tilter heave movement Hydraulic servo drive balance device can also adopt following technical scheme:
Described tilter heave movement Hydraulic servo drive balance device, be characterized in: the hydro-pneumatic spring structure that balancing cylinder and bladder type hydropneumatic accumulator form is, article four, balancing cylinder links to each other with four bladder type hydropneumatic accumulators respectively, and each hydraulic fluid port of accumulator is composed in series whole hydro-pneumatic spring.
Described tilter heave movement Hydraulic servo drive balance device, be characterized in: balancing cylinder is connected for the series connection oil circuit with accumulator, after its hydraulic oil pressurizes via the control pump group, behind filter, ball valve, reduction valve, throttling valve, enter the series connection oil circuit that balancing cylinder and accumulator form.
Described tilter heave movement Hydraulic servo drive balance device, be characterized in: control pump is provided with the pressure setting electromagnetic relief valve; The oil circuit of balancing cylinder is provided with the reduction valve of pressure setting and prevents the stop valve that the balance oil circuit leaks.
Described tilter heave movement Hydraulic servo drive balance device, be characterized in: hydraulic oil pipeline connects constant pressure variable displacement pump through oil absorption filter, and constant pressure variable displacement pump connects the servo-valve of servo-cylinder through filter; The servo-valve outlet links to each other with hydraulic control one-way valve, and hydraulically-controlled one-way valve is opened and closed by solenoid directional control valve control.
Described tilter heave movement Hydraulic servo drive balance device is characterized in: servo-cylinder two chambeies are communicated with solenoid valve, and the oil circuit of servo-cylinder is provided with pressure setting electromagnetic relief valve and pressure transducer.
Advantage and the good effect that the utlity model has are:
Tilter heave movement Hydraulic servo drive balance device is owing to adopted the brand-new technical scheme of the utility model, and compared with prior art, the utility model balance oil circuit adopts the reduction valve fuel feeding, equilibrant be easy to regulate and range of adjustment larger.The present invention can effectively reduce gravity and impact, out-of-balance force and investment maintenance cost when reducing the servo-cylinder driving.Maintenance workload is little and energy consumption is low, reduces system drive power.Satisfy the driving requirement of the large weight measurement of modern high precision system.Can be applicable to the movement environment of testing laboratory's environment Imitating warship, ship, the afloat heave movement of ship and helicopter deck heave when landing.
Description of drawings
Fig. 1 is the utility model system principle structural representation.
Among the figure: 1, fuel tank; 2, main pump oil absorption filter; 3, constant pressure variable displacement pump group; 4, main pump high pressure filter; 5, retaining valve; 6, main pump electromagnetic relief valve; 7, tensimeter; 8, pressure transducer; 9, accumulator; 10, servo-valve; 11, hydraulic control one-way valve; 12, solenoid directional control valve; 13, be communicated with solenoid valve; 14, servo hydraulic cylinder; 15, accumulator; 16, balance hydraulic cylinder; 17, pressure transducer; 18, tensimeter; 19, stop valve; 20, draining throttling valve; 21, reduction valve; 22, high-pressure ball valve; 23, pump discharge pressure table; 24, electromagnetic relief valve; 25, high pressure filter; 26, control pump group; 27, air strainer, 28, the heave stage body, 29, load.
Embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
Consult accompanying drawing 1.
Embodiment 1
A kind of tilter heave movement Hydraulic servo drive balance device comprises hydraulic servo oil cylinder, balancing cylinder and bladder type hydropneumatic accumulator; The balancing cylinder composition hydro-pneumatic spring that is connected with bladder type hydropneumatic accumulator, hydraulic servo oil cylinder and balancing cylinder support the balance stage body of tested device.
The hydro-pneumatic spring structure that balancing cylinder and bladder type hydropneumatic accumulator form is, four balancing cylinders link to each other with four bladder type hydropneumatic accumulators respectively, and each hydraulic fluid port of accumulator is composed in series the hydro-pneumatic spring of integral body.Balancing cylinder is connected for the series connection oil circuit with accumulator, and its hydraulic oil behind filter, ball valve, reduction valve, throttling valve, enters the series connection oil circuit that balancing cylinder and accumulator form after pressurizeing via the control pump group.Control pump is provided with the pressure setting electromagnetic relief valve; The oil circuit of balancing cylinder is provided with the reduction valve of pressure setting and prevents the stop valve that the balance oil circuit leaks.Hydraulic oil pipeline connects constant pressure variable displacement pump through oil absorption filter, and constant pressure variable displacement pump connects the servo-valve of servo-cylinder through filter; The servo-valve outlet links to each other with hydraulic control one-way valve, and hydraulically-controlled one-way valve is opened and closed by solenoid directional control valve control.Servo-cylinder two chambeies are communicated with solenoid valve, and the oil circuit of servo-cylinder is provided with pressure setting electromagnetic relief valve and pressure transducer.
The principle of work of present embodiment and implementation process:
The utility model adopts two two rod servo-cylinders and four balancing cylinders jointly to drive, and servo-cylinder has higher response speed and control stiffness.Article four, balancing cylinder links to each other with four accumulators respectively, each hydraulic fluid port of accumulator is composed in series whole hydro-pneumatic spring, the weight of balance stage body self structure and tested device again.The balance oil circuit adopts the reduction valve fuel feeding, equilibrant be easy to regulate and range of adjustment larger.The present invention can effectively reduce gravity and impact, out-of-balance force and investment maintenance cost when reducing the servo-cylinder driving.Maintenance workload is little and energy consumption is low, reduces system drive power.Satisfy the driving requirement of the large weight measurement of modern high precision system.Can be applicable to the movement environment of testing laboratory's environment Imitating warship, ship, the afloat heave movement of ship and helicopter deck heave when landing.
1, principle of work
The balance oil circuit is analyzed:
Hydraulic oil behind high pressure filter 25, high-pressure ball valve 22, reduction valve 21, throttling valve stop valve 19, enters the series connection oil circuit that balance hydraulic cylinder 16 and accumulator 15 form after 26 pressurizations of control pump group.Control pump pressure is set up through electromagnetic relief valve 24, and balance oil circuit pressure is set up through reduction valve 21, and reduction valve pressure range of adjustment is larger, can try out and the requirement of unequally loaded balance.Other establishes throttling valve stop valve 19 and prevents that the balance oil circuit from leaking, and throttling valve 20 makes balanced system fluid oil sump tank when changing hydraulic oil.System establishes equalized pressure sensor 17 and tensimeter 18, the variation of Real-Time Monitoring balanced system pressure.
Servo oil circuit is analyzed:
Hydraulic oil filters through main pump oil absorption filter 2 and enters constant pressure variable displacement pump, the laggard main pump high pressure filter 4(of entering filtering accuracy≤3 μ m pressurize), guarantee that like this pressure oil that enters servo-valve definitely cleans, enter servo-valve 10 through retaining valve 5 again, the servo-valve outlet links to each other with hydraulic control one-way valve 11 respectively, and hydraulically-controlled one-way valve is opened and closed by solenoid directional control valve 12 controls.When hydraulic control one-way valve is opened, pressure oil enters respectively two chambeies of servo hydraulic cylinder, servo-valve dynamically changes the opening amount size of its spool according to the analog electrical signal of accepting, thereby the fluid of control process servo-valve realizes finally that according to given rule continuous wave output servo-cylinder promotes the analog output of stage body heave position.But accumulator 9 replenishment system flows and absorption flow rate fluctuation.When hydraulic control one-way valve is closed, make servo-cylinder keep the optional position of stage body in stroke to park.Servo-cylinder two chambeies are established and are communicated with solenoid valve 13, are implemented in time low level of connected sum stage body when not playing pump in oil cylinder two chambeies when manually setting.System pressure is set up through main pump electromagnetic relief valve 6, and electromagnetic relief valve also can be realized the off-load of pump when zero load.System establishes pressure transducer 8 and tensimeter 7, the variation of real-time monitoring system pressure in addition.
2, specific implementation process
(1) to each balance energy accumulator 15 inflated with nitrogen, all is charged to suitable unified force value (needing specifically to calculate according to stage body weight).Control pump electromagnetic relief valve 24 adjusting pressuring handles are outwarded winding to maximum, making the electromagnetic relief valve set pressure is zero, close high-pressure ball valve 22, start the control pump group, slowly regulate the electromagnetic relief valve handle, make the system pressure required controlled pressure of the system that reaches that slowly raises, write down reading shown in the pump discharge pressure table 23, stop the control pump group.
(2) opening high pressure ball valve 22 and throttling valve stop valve 19, close draining throttling valve 20, reduction valve 21 adjusting pressuring handles are outwarded winding to maximum, start the control pump group, slowly regulate the reduction valve adjusting pressuring handle, the balance oil pressure is slowly raise, when stage body and load just will move upward, close rapidly throttling valve stop valve 19, write down tensimeter 18 readings, this pressure is the required equilibrium oil pressure pressure of balance stage body and load.
(3) start the main pump group, servo-valve 10 dynamically changes the opening amount size of its spool according to the analog electrical signal of accepting, thereby the fluid of control process servo-valve realizes finally that according to given rule continuous wave output servo-cylinder promotes the analog output of stage body heave position.
Claims (6)
1. tilter heave movement Hydraulic servo drive balance device, it is characterized in that: the Hydraulic servo drive balance device comprises hydraulic servo oil cylinder, balancing cylinder and bladder type hydropneumatic accumulator; The balancing cylinder composition hydro-pneumatic spring that is connected with bladder type hydropneumatic accumulator, hydraulic servo oil cylinder and balancing cylinder support the balance stage body of tested device.
2. tilter heave movement Hydraulic servo drive balance device according to claim 1, it is characterized in that: the hydro-pneumatic spring structure that balancing cylinder and bladder type hydropneumatic accumulator form is, article four, balancing cylinder links to each other with four bladder type hydropneumatic accumulators respectively, and each hydraulic fluid port of accumulator is composed in series whole hydro-pneumatic spring.
3. tilter heave movement Hydraulic servo drive balance device according to claim 1, it is characterized in that: balancing cylinder is connected for the series connection oil circuit with accumulator, after its hydraulic oil pressurizes via the control pump group, behind filter, ball valve, reduction valve, throttling valve, enter the series connection oil circuit that balancing cylinder and accumulator form.
4. tilter heave movement Hydraulic servo drive balance device according to claim 3, it is characterized in that: control pump is provided with the pressure setting electromagnetic relief valve; The oil circuit of balancing cylinder is provided with the reduction valve of pressure setting and prevents the stop valve that the balance oil circuit leaks.
5. tilter heave movement Hydraulic servo drive balance device according to claim 3, it is characterized in that: hydraulic oil pipeline connects constant pressure variable displacement pump through oil absorption filter, and constant pressure variable displacement pump connects the servo-valve of servo-cylinder through filter; The servo-valve outlet links to each other with hydraulic control one-way valve, and hydraulically-controlled one-way valve is opened and closed by solenoid directional control valve control.
6. tilter heave movement Hydraulic servo drive balance device according to claim 1 is characterized in that: servo-cylinder two chambeies are communicated with solenoid valve, and the oil circuit of servo-cylinder is provided with pressure setting electromagnetic relief valve and pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220275646 CN202710090U (en) | 2012-06-12 | 2012-06-12 | Hydraulic servo driving balancing unit for swing table heaving motion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220275646 CN202710090U (en) | 2012-06-12 | 2012-06-12 | Hydraulic servo driving balancing unit for swing table heaving motion |
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| CN202710090U true CN202710090U (en) | 2013-01-30 |
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| CN 201220275646 Expired - Fee Related CN202710090U (en) | 2012-06-12 | 2012-06-12 | Hydraulic servo driving balancing unit for swing table heaving motion |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091707A (en) * | 2017-06-18 | 2017-08-25 | 浙江大学舟山海洋研究中心 | Can fictitious load impact force testing device |
| CN107436241A (en) * | 2017-08-04 | 2017-12-05 | 天津鼎成高新技术产业有限公司 | A kind of roll and the detection experimental rig for protection of tumbling |
| CN109256009A (en) * | 2018-11-01 | 2019-01-22 | 燕山大学 | A kind of energy-conserving hydraulic six-freedom motion analog platform |
-
2012
- 2012-06-12 CN CN 201220275646 patent/CN202710090U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091707A (en) * | 2017-06-18 | 2017-08-25 | 浙江大学舟山海洋研究中心 | Can fictitious load impact force testing device |
| CN107091707B (en) * | 2017-06-18 | 2020-08-28 | 浙江大学舟山海洋研究中心 | Impact force testing device capable of simulating load |
| CN107436241A (en) * | 2017-08-04 | 2017-12-05 | 天津鼎成高新技术产业有限公司 | A kind of roll and the detection experimental rig for protection of tumbling |
| CN107436241B (en) * | 2017-08-04 | 2023-07-07 | 天津鼎成高新技术产业有限公司 | Detection test device for rollover and rollover protection |
| CN109256009A (en) * | 2018-11-01 | 2019-01-22 | 燕山大学 | A kind of energy-conserving hydraulic six-freedom motion analog platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20180612 |