CN100588843C - Hydraulic up-down swing mechanism - Google Patents
Hydraulic up-down swing mechanism Download PDFInfo
- Publication number
- CN100588843C CN100588843C CN200710188490A CN200710188490A CN100588843C CN 100588843 C CN100588843 C CN 100588843C CN 200710188490 A CN200710188490 A CN 200710188490A CN 200710188490 A CN200710188490 A CN 200710188490A CN 100588843 C CN100588843 C CN 100588843C
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- oil hydraulic
- hydraulic cylinder
- electrically connected
- servovalve
- operational amplifier
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Abstract
The invention belongs to the metallurgical equipment field, especially relating to a hydraulic lift-turn mechanism. The invention is characterized in that three sets of expansion connecting rods (3) are arranged around a hydraulic cylinder (12) with the interval of 120 degrees. The terminational cylinder lever of the hydraulic cylinder (12) and the terminational connecting rod of the three sets ofexpansion connecting rods (3) are fixed on a load platform (1). An upper support guide board (4) and a lower support guide board (2) are arranged on the hydraulic cylinder (12) and the expansion connecting rods (3). The three sets of expansion connecting rods (3) have a main support platform (5) which is connected with the hydraulic cylinder (12) by a bearing (6). A hydraulic motor (9) is fixed by a bracket (11). The output shaft end of the hydraulic motor (9) is provided with a gear, a gear pair (10) and a limit ring (7) which is fixed on the hydraulic cylinder (12) by a binding bolt. The hydraulic motor (9) rotates the gear of the output shaft end to be meshed with the gear pair (10). The invention has the advantages of good reliability, easy maintenance and operation, high control precision, strong carrying capacity and broad application range.
Description
Technical field
The invention belongs to field of metallurgical equipment, particularly relate to and a kind ofly not only can do lifting (straight line) motion but also can do forward and reverse hydraulic up-down swing mechanism that rotatablely moves along vertical surface Z axle around the Z axle.
Background technique
The mechanical ascending and descending swivel gear is used widely in the occasion of a lot of requirement control strokes, angle position.The mechanical ascending and descending swivel gear mainly is made up of feed screw nut or worm and gear and gear mechanism etc. at present.Its complex structure, rate of fault height, the installing space scope is big, bearing capacity is limited, control accuracy is low.
Summary of the invention
The purpose of this invention is to provide a kind of hydraulic up-down swing mechanism, little, the good reliability of its installing space, easy care, easy to operate, the control accuracy height, bearing capacity is strong, applied range.
Technological scheme of the present invention is: design a kind of hydraulic up-down swing mechanism, it is characterized in that: be distributed with three groups of shrinking connecting-rods 3 around oil hydraulic cylinder 12 with the hexagonal angle degree of being separated by around oil hydraulic cylinder 12, oil hydraulic cylinder 12 terminal cylinder bars are fixed on the load platform 1 with three groups of shrinking connecting-rod 3 tail end connecting rod; Upper support guide plate 4 and lower support guide plate 2 upper and lower sleeves are connected on oil hydraulic cylinder 12 and the shrinking connecting-rod 3; Round platform formula or band ear round platform formula master support platform 5 are arranged at three groups of shrinking connecting-rod 3 tops, round platform formula or band ear round platform formula master support platform 5 are connected with oil hydraulic cylinder 12 bearings by bearing 6, round platform formula or band ear round platform formula master support platform 5 are fixed with oil hydraulic motor 9 by support 11,9 output terminals of oil hydraulic motor have gear, gear pair 10 and baffle ring 7 are fixed on by clamping bolt on the cylinder body of oil hydraulic cylinder 12, the gear engagement gear pair 10 of oil hydraulic motor 9 rotary output axis ends.
Described oil hydraulic cylinder 12 is electrically connected with first group of control circuit.
Described oil hydraulic motor 9 is electrically connected with second group of control circuit.
Described first group of control circuit comprises at least: operational amplifier 14, servoamplifier 15, servovalve 16, oil hydraulic cylinder 12, displacement transducer 17,14 two one of them input ends of input end of operational amplifier are electrically connected with the output of displacement transducer 17 Displacement Feedback signals, and another road input end is electrically connected with the set positions unit; Operational amplifier 14 outputs are connected in series successively with servoamplifier 15, servovalve 16, oil hydraulic cylinder 12 and lifting load electricity respectively, and displacement transducer 17 carries out feedback signal output from the oil hydraulic cylinder No. of winning the confidence 12.
Described second group of control circuit comprises operational amplifier 18, servoamplifier 19, servovalve 20, oil hydraulic motor 9, gear pair 21, angular orientation encoder 22 at least; 18 two one of them input ends of input end of operational amplifier are electrically connected with the output of angular orientation encoder 22 angle displacement feedback signals, and another road input end is electrically connected with the set positions unit; Operational amplifier 18 outputs are electrically connected in series successively with servoamplifier 19, servovalve 20, oil hydraulic motor 9, gear pair 21 and revolution load respectively, and angular orientation encoder 22 carries out feedback signal output from the gear pair No. of winning the confidence 21.
Described servovalve 16 communicates with hydraulic power supply 23 with servovalve 20 simultaneously.
The invention has the beneficial effects as follows: the present invention mainly is made of two-part: lifting part and rotating part; The multistage sleeve-type hydraulic cylinder of single pole double-action that has high accuracy displacement sensor is partly adopted in lifting, constitute local linear position closed-loop system by operational amplifier, servoamplifier, servovalve, displacement transducer, hydraulic gyration joint and oil hydraulic cylinder etc., the lifting of High Accuracy Control load (straight line) is moved, and can effectively guarantee the linear position precision of load.Rotating part adopts the oil hydraulic motor that has the highi degree of accuracy rotating coder and have braking function, by pair of engaged gears, drives the rotation of hydraulic pressure cylinder assembly and load by oil hydraulic motor.By the local angle position closed loop of formation systems such as operational amplifier, servoamplifier, servovalve, oil hydraulic motor, engaging gear, encoders, the rotation motion of High Accuracy Control hydraulic pressure cylinder assembly and load can effectively guarantee the rotating angular orientation of load precision.Can adjust the output torque of bearing capacity of the present invention and oil hydraulic motor accordingly by the delivery pressure of adjusting hydraulic system.So just can finish the lifting (straight line) and rotating compound motion of load, and can effectively guarantee the control accuracy of arbitrary line and angular orientation according to given status requirement.
Adopt this structure to reduce the spatial altitude of lift rotary device, the torsion proof good rigidly, the position control accuracy height, bearing capacity is strong, operates steadily, and noise is little.
Description of drawings
The present invention will be further described below in conjunction with embodiment's accompanying drawing.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is principle of the invention figure.
Among the figure: 1, load platform; 2, lower support guide plate; 3, shrinking connecting-rod; 4, upper support guide plate; 5, main support platform; 6, bearing; 7, baffle ring; 8, hydraulic gyration joint; 9, oil hydraulic motor; 10, gear pair; 11, support; 12, oil hydraulic cylinder; 13, Z axle; 14, operational amplifier; 15, servoamplifier; 16, servovalve; 17, displacement transducer; 18, operational amplifier; 19, servoamplifier; 20, servovalve; 21, gear pair; 22, angular orientation encoder; 23, hydraulic power supply; 24, the given signal in position; 25, lifting load; 26, revolution load.
Embodiment
As shown in Figure 1 and Figure 2, be distributed with three groups of shrinking connecting-rods 3 around oil hydraulic cylinder 12 with the 120 ° of degree of being separated by around the multistage sleeve-type hydraulic cylinder 12 of multistage single pole double-action, oil hydraulic cylinder 12 terminal cylinder bars are fixed on the load platform 1 with three groups of shrinking connecting-rod 3 tail end connecting rod; Load platform 1 is mainly the connection platform of loading element.Upper support guide plate 4 and lower support guide plate 2 upper and lower sleeves are connected on oil hydraulic cylinder 12 and the shrinking connecting-rod 3,2 supportings of upper support guide plate 4 and lower support guide plate leading role.Oil hydraulic cylinder 12 liftings will drive shrinking connecting-rod 3 and load platform 1 one liftings.
Round platform formula or band ear round platform formula master support platform 5 are arranged at three groups of shrinking connecting-rod 3 tops, round platform formula or band ear round platform formula master support platform 5 are connected with oil hydraulic cylinder 12 bearings by bearing 6, round platform formula or band ear round platform formula master support platform 5 fixedly have the highi degree of accuracy rotating coder by support 11 and have the oil hydraulic motor 9 of braking function, 9 output terminals of oil hydraulic motor have gear, gear pair 10 and baffle ring 7 are fixed on by clamping bolt on the cylinder body of oil hydraulic cylinder 12, and the gear of oil hydraulic motor 9 rotary output axis ends drives oil hydraulic cylinder 12 by engaging tooth wheel set 10, upper support guide plate 4, lower support guide plate 2, shrinking connecting-rod 3 and load platform 1 are done rotation motion around Z axle 13.
As shown in Figure 3, provide the electrical schematic diagram that drives oil hydraulic motor 9 and oil hydraulic cylinder 12, constitute the highi degree of accuracy electro-hydraulic servo control circuit of a closed loop by the operational amplifier 14 in first group of control circuit, servoamplifier 15, servovalve 16, oil hydraulic cylinder 12, hydraulic gyration joint 8, displacement transducer 17 etc., the linear position of control oil hydraulic cylinder 12 lifting load is realized the desired displacement amount of the given signal of linear position accurately.14 two one of them input ends of input end of operational amplifier in first group of control circuit are electrically connected with the output of displacement transducer 17 Displacement Feedback signals, and another road input end is electrically connected with set positions unit 24.Operational amplifier 14 outputs are electrically connected in series successively with servoamplifier 15, servovalve 16, oil hydraulic cylinder 12 and lifting load 25 respectively, and displacement transducer 17 carries out feedback signal output from the oil hydraulic cylinder No. of winning the confidence 12.Lifting load 25 is that load platform 1 need move up and down load.
Constitute another road electro-hydraulic servo circuit of highi degree of accuracy by operational amplifier 18, servoamplifier 19, servovalve 20, oil hydraulic motor 9, gear pair 21, angular orientation encoder 22 in second group of control circuit, drive oil hydraulic motor 9 control revolution load 26 and rotate.Reprint load and oil hydraulic cylinder and assembly that lotus 26 comprises load platform 1.18 two one of them input ends of input end of operational amplifier in second group of control circuit are electrically connected with the output of angular orientation encoder 22 angle displacement feedback signals, and another road input end is electrically connected with set positions unit 24.Operational amplifier 18 outputs are electrically connected in series successively with servoamplifier 19, servovalve 20, oil hydraulic motor 9, gear pair 21 and revolution load respectively, and angular orientation encoder 22 carries out feedback signal output from the gear pair No. of winning the confidence 21.Servovalve 16 communicates with hydraulic power supply 23 with servovalve 20 simultaneously.
Claims (2)
1, hydraulic up-down swing mechanism, it is characterized in that: hydraulic up-down swing mechanism, it is characterized in that: be distributed with three groups of shrinking connecting-rods that are parallel to each other with oil hydraulic cylinder around oil hydraulic cylinder with the hexagonal angle degree of being separated by around oil hydraulic cylinder, oil hydraulic cylinder bottom cylinder bar is fixed on the load platform with three groups of shrinking connecting-rod bottom connecting rods; Upper support guide plate and lower support guide plate are parallel to each other up and down and are socketed on oil hydraulic cylinder and the shrinking connecting-rod; Round platform or band ear round platform master support platform are arranged at three groups of shrinking connecting-rod tops, round platform or band ear round platform master support platform are connected with the oil hydraulic cylinder bearing by bearing, round platform or band ear round platform master support platform are by support fixed hydraulic motor, oil hydraulic motor axle output terminal has gear, oil hydraulic motor axle output terminal and oil hydraulic cylinder are parallel to each other, gear pair and baffle ring are fixed on the cylinder body of oil hydraulic cylinder by clamping bolt, make the gear engagement gear pair of oil hydraulic motor axle output terminal;
Described oil hydraulic cylinder is electrically connected with first group of control circuit; First group of control circuit comprises at least: first operational amplifier, first servoamplifier, first servovalve, displacement transducer, an input end in two input ends of first operational amplifier is electrically connected with the output of displacement transducer Displacement Feedback signal, and another input end is electrically connected with the set positions unit; The output of first operational amplifier is electrically connected in series successively with first servoamplifier, first servovalve, oil hydraulic cylinder and lifting load respectively, and displacement transducer carries out feedback signal output from the oil hydraulic cylinder number of winning the confidence;
Described oil hydraulic motor is electrically connected with second group of control circuit; Second group of control circuit comprises second operational amplifier, second servoamplifier, second servovalve, angular orientation encoder at least; In two input ends of second operational amplifier one is electrically connected with the output of angular orientation encoder angle displacement feedback signal, and another input end is electrically connected with the set positions unit; The output of second operational amplifier is electrically connected in series successively with second servoamplifier, second servovalve, oil hydraulic motor, gear pair and revolution load respectively, and the angular orientation encoder carries out feedback signal output from the number of winning the confidence of gear vice division chief.
2, hydraulic up-down swing mechanism according to claim 1 is characterized in that: described first servovalve communicates with hydraulic power supply with second servovalve simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710188490A CN100588843C (en) | 2007-12-05 | 2007-12-05 | Hydraulic up-down swing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710188490A CN100588843C (en) | 2007-12-05 | 2007-12-05 | Hydraulic up-down swing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101201071A CN101201071A (en) | 2008-06-18 |
| CN100588843C true CN100588843C (en) | 2010-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710188490A Expired - Fee Related CN100588843C (en) | 2007-12-05 | 2007-12-05 | Hydraulic up-down swing mechanism |
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| Country | Link |
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| CN (1) | CN100588843C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533560B (en) * | 2018-03-30 | 2020-11-17 | 天津市天锻压力机有限公司 | Composite cylinder suitable for multidirectional die forging press |
| CN108728604B (en) * | 2018-05-30 | 2020-05-08 | 中冶南方工程技术有限公司 | Hydraulic driven sublance rotating device |
| CN114087119A (en) * | 2021-10-27 | 2022-02-25 | 赛克思液压科技股份有限公司 | Movement mechanism of oblique shaft type high-speed hydraulic motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2171094Y (en) * | 1993-09-07 | 1994-07-06 | 包头钢铁稀土公司设计院 | Lift rotary dust collector for electric furnace |
| CN2393952Y (en) * | 1999-10-22 | 2000-08-30 | 宝鸡市工程液压件厂 | Hydraulic lifting rotary stage |
| CN2678791Y (en) * | 2003-11-13 | 2005-02-16 | 中国第二重型机械集团公司 | Replacer lifting platform of roll bearing housing |
| CN2761768Y (en) * | 2004-12-28 | 2006-03-01 | 张文寿 | Multi-storey parking area |
| CN201125900Y (en) * | 2007-12-05 | 2008-10-01 | 中国重型机械研究院 | Hydraulic type elevating turning device |
| CN201154370Y (en) * | 2007-11-22 | 2008-11-26 | 中国第一重型机械集团公司 | Novel aluminium ingot turntable of aluminium plate hot mill set |
-
2007
- 2007-12-05 CN CN200710188490A patent/CN100588843C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2171094Y (en) * | 1993-09-07 | 1994-07-06 | 包头钢铁稀土公司设计院 | Lift rotary dust collector for electric furnace |
| CN2393952Y (en) * | 1999-10-22 | 2000-08-30 | 宝鸡市工程液压件厂 | Hydraulic lifting rotary stage |
| CN2678791Y (en) * | 2003-11-13 | 2005-02-16 | 中国第二重型机械集团公司 | Replacer lifting platform of roll bearing housing |
| CN2761768Y (en) * | 2004-12-28 | 2006-03-01 | 张文寿 | Multi-storey parking area |
| CN201154370Y (en) * | 2007-11-22 | 2008-11-26 | 中国第一重型机械集团公司 | Novel aluminium ingot turntable of aluminium plate hot mill set |
| CN201125900Y (en) * | 2007-12-05 | 2008-10-01 | 中国重型机械研究院 | Hydraulic type elevating turning device |
Non-Patent Citations (2)
| Title |
|---|
| 仿真转台***及重要部件性能的研究,吉林大学硕士学位论文. 尹新立.中国优秀博硕士学位论文全文数据库 (硕士) 工程科技Ⅱ辑，第2007 年 第 05 期. 2007 |
| 仿真转台***及重要部件性能的研究,吉林大学硕士学位论文. 尹新立.中国优秀博硕士学位论文全文数据库 (硕士) 工程科技Ⅱ辑，第2007 年 第 05 期. 2007 * |
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| CN101201071A (en) | 2008-06-18 |
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Owner name: CHINA NATIONAL HEAVY MACHINERY RESEARCH INSTITUTE Free format text: FORMER NAME: CHINA HEAVY MACHINERY INSTITUTE |
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| CP01 | Change in the name or title of a patent holder |
Address after: 710032 Shaanxi city in Xi'an province Xin Jiamiao Xi'an Heavy Machinery Research Institute Patentee after: CHINA NATIONAL HEAVY MACHINERY RESEARCH INSTITUTE Co.,Ltd. Address before: 710032 Shaanxi city in Xi'an province Xin Jiamiao Xi'an Heavy Machinery Research Institute Patentee before: China National Heavy Machinery Research Institute Co.,Ltd. Address after: 710032 Shaanxi city in Xi'an province Xin Jiamiao Xi'an Heavy Machinery Research Institute Patentee after: China National Heavy Machinery Research Institute Co.,Ltd. Address before: 710032 Shaanxi city in Xi'an province Xin Jiamiao Xi'an Heavy Machinery Research Institute Patentee before: China National Heavy Machinery Research Institute Co.,Ltd. |
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| 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: 20100210 Termination date: 20161205 |