CN202149336U - Dynamic-seal rotary lifting device - Google Patents

Dynamic-seal rotary lifting device Download PDF

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Publication number
CN202149336U
CN202149336U CN201120030629U CN201120030629U CN202149336U CN 202149336 U CN202149336 U CN 202149336U CN 201120030629 U CN201120030629 U CN 201120030629U CN 201120030629 U CN201120030629 U CN 201120030629U CN 202149336 U CN202149336 U CN 202149336U
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CN
China
Prior art keywords
rotating shaft
screw
worm
rotating
stepping motor
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Expired - Fee Related
Application number
CN201120030629U
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Chinese (zh)
Inventor
马玉顺
陆旭红
秦海瑞
邱冬雷
杜新光
杜艳青
杨迪
张春晖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Dongfang Marine Engineering Technology Co Ltd
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Shanghai Dongfang Marine Engineering Technology Co Ltd
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Priority to CN201120030629U priority Critical patent/CN202149336U/en
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Publication of CN202149336U publication Critical patent/CN202149336U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a lifting device, specifically to a dynamic-seal rotary lifting device. The dynamic-seal rotary lifting device comprises a base (1), a rotating mechanism (2) and a lifting mechanism (3), and is characterized in that the dynamic-seal rotary lifting device also comprises a rotary table (4), a square tail cover (5), a rotating shaft (6) and a sealing unit (7), a rotating fixed box (20) is fixed on the upper surface of the base (1), the rotary table (4) is fixed on the upper surface of the rotating fixed box (20), and a lifting fixed box (30) is fixed on the rotary table (4). The dynamic-seal rotary lifting device of the utility model is stable in performance, reliable in quality, high in control precision and low in test cost.

Description

The motive sealing rotating lifting gear
Technical field
The utility model relates to lifting device, is specially a kind of motive sealing rotating lifting gear.
Background technique
The current good development opportunity that is faced with of shipping industry, the boats and ships demand presents sustainable growth trend, and this just has higher requirement to ship performance.In the design and building course of boats and ships; Ship model or part are carried out structured testing be absolutely necessary, this test is through placing ship model or part in the pressure water drum and intending suffered hydrostatic pressure, the temperature environment of boats and ships at pressure water drum internal mold and launch.When doing structured testing at present, operations such as ship model or part lifting and the rotation in the pressure water drum are accomplished through handwork, and not only labor intensity is big, and efficient is low, and because the hand-guided precision is limited, has influenced precision of test result.
The model utility content
In order to overcome the defective of existing technology, a kind of easy to use, control accuracy is high, automaticity is high, operating efficiency is high lifting device is provided, the utility model discloses a kind of motive sealing rotating lifting gear.
The utility model reaches goal of the invention through following technological scheme:
A kind of motive sealing rotating lifting gear; Comprise base, rotating machinery and elevator mechanism; Rotating machinery comprises first worm gear and first worm screw of working in coordination; Elevator mechanism comprises second worm gear and second worm screw and the screw of working in coordination and the leading screw of working in coordination, and base, rotating machinery and elevator mechanism are connected from bottom to up successively, it is characterized in that: also comprise turntable, square hood, rotating shaft and seal arrangement; Rotating machinery also comprises rotational fixation case, slewing maneuver handwheel and rotation drive stepping motor, and elevator mechanism also comprises up-down fixed case, up-down hand wheel and up-down drive stepping motor.The upper surface of base is the rotational fixation case fixedly; First worm gear and first worm screw all are located in the rotational fixation case; The rotating shaft of slewing maneuver handwheel and rotation drive stepping motor all is connected to the central shaft of first worm screw, and the slewing maneuver handwheel all is located at outside the rotational fixation case with the rotation drive stepping motor.The upper surface of rotational fixation case is turntable fixedly, fixed elevated fixed case on the turntable, and second worm gear, second worm screw, screw and leading screw all are located in the up-down fixed case; The rotating shaft of up-down hand wheel and up-down drive stepping motor all is connected to the central shaft of second worm screw; Up-down hand wheel and up-down drive stepping motor all are located at outside the up-down fixed case, and second worm gear is connected with screw with one heart, and nut sleeve is outside leading screw; The upper end of leading screw upwards passes the upper surface of up-down fixed case; The lower ends downward of leading screw passes the lower surface of up-down fixed case and connects the central shaft of the turntable and first worm gear successively, a fixing square hood on the up-down fixed case, and square hood is enclosed within outside the leading screw; The two ends up and down of square hood are respectively equipped with upper limit position switch and lower position switch, and the lower end of leading screw is connected with rotating shaft.One end of rotating shaft is a flanged joint; The outside of rotating shaft is provided with seal arrangement; Seal arrangement is made up of two axial primary seal circles, axial secondary seal ring, end-face seal ring, two guiding elements and flange lining; The flange chassis of flange lining and the lower surface of base are fixedly connected, and rotating shaft passes the lower surface of base, and the through hole of flange lining neck flange is enclosed within outside the rotating shaft; And the through hole of rotating shaft and flange lining neck flange forms Spielpassung; Be embedded with two axial primary seal circles and an axial secondary seal ring between flange lining neck flange through hole and the rotating shaft, two guiding elements all bind round the outside in rotating shaft, and end-face seal ring is embedded between flange lining flange chassis and the base lower surface.Two axial primary seal circles and an axial secondary seal ring starting seal action, end face seal encloses the static seal effect.
Described motive sealing rotating lifting gear; It is characterized in that: also comprise control gear; Control gear is made up of displacement coder, zero-bit switch, touch screen and programmable controller; Displacement coder and zero-bit switch all are fixed on the upper surface of rotational fixation case and all are located at a side of turntable, and programmable controller is through order wire difference angle of attachment displacement encoder, zero-bit switch, touch screen and rotation drive stepping motor.
Described motive sealing rotating lifting gear is characterized in that: the velocity ratio of first worm gear and first worm screw is 50~100 in the rotating machinery, and the velocity ratio of second worm gear and second worm screw is 20~30 in the elevator mechanism.
When the utility model uses; Test specimen to be tested is fixed on the flanged joint of rotating shaft; Control the angle of swing of rotating machinery with slewing maneuver handwheel or rotation drive stepping motor with the control test specimen; Rotating machinery adopts first worm gear, the first worm drive mode, especially can adopt first worm gear, first worm screw of big speed ratio, to realize low-speed motion stably.Control the adjustable height of elevator mechanism with up-down hand wheel or up-down drive stepping motor, carry out position limitation protection by upper limit position switch and lower position switch when test specimen goes up and down with the control test specimen.Primary seal circle, secondary seal ring and the guiding element of dynamic seal apparatus all adopts special ultrahigh hardness polyurethane material to process, and it is strong to have a water-proofing performance, and ageing resistance is good, do not have the sticking sliding imagination, and has plumbago and self-lubricating effect is arranged, the advantage that friction factor is low.
For the accurate control that further realizes test specimen is handled; Can also comprise control gear, realize control automatically, realize human-computer dialogue with touch screen through programmable controller; Showing in real time that test specimen is current moves up and down and rotational position; Closed loop control has been adopted in driving to rotating machinery, is provided with the zero-bit switch in a side of turntable, selects the feedback signal of displacement coder as rotating machinery for use; Overcome rotation drive stepping motor and mechanical assemblage gap equal error, thereby improve system keeps track and locating accuracy.
The utility model provide a kind of based on dynamic sealing technology under water, integrate manually and the automatic high pressure resistant rotating lifting gear of motive sealing under water; Position adjustment in the time of can realizing the testing of test specimen under water; Can under higher hydraulic pressure, keep dynamic waterproof characteristic, be specially adapted to interior test specimen rotation adjusting of high pressure water tank and up-down regulatory function among a small circle.The beneficial effect of the utility model is: stable performance, and reliable in quality, aesthetic in appearance, simple in structure; Flexible operation, control is flexible, and control accuracy is high; Practice thrift experimentation cost, be applied to Ship Design and can shorten greatly from testing the practice time, for Ship Design provides important evidence.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of rotating machinery and elevator mechanism in the utility model;
Fig. 3 is the structural representation of dynamic seal apparatus in the utility model.
Fig. 4 is the schematic representation of control gear in the utility model;
Fig. 5 is the structural representation that is provided with the utility model of control gear.
Embodiment
Below further specify the utility model through specific embodiment.
Embodiment 1
A kind of motive sealing rotating lifting gear comprises base 1, rotating machinery 2, elevator mechanism 3, turntable 4, square hood 5, rotating shaft 6 and seal arrangement 7, and as depicted in figs. 1 and 2, concrete structure is:
Base 1, rotating machinery 2 and elevator mechanism 3 are connected from bottom to up successively, and the upper surface of base 1 is rotational fixation case 20 fixedly.
Rotating machinery 2 is as shown in Figure 2; Form by rotational fixation case 20, first worm gear 21 of working in coordination and first worm screw 22, slewing maneuver handwheel 23 and rotation drive stepping motor 24; First worm gear 21 and first worm screw 22 all are located in the rotational fixation case 20; The rotating shaft of slewing maneuver handwheel 23 and rotation drive stepping motor 24 all is connected to the central shaft of first worm screw 22, and slewing maneuver handwheel 23 all is located at outside the rotational fixation case 20 with rotation drive stepping motor 24.
The upper surface of rotational fixation case 20 is turntable 4 fixedly, fixed elevated fixed case 30 on the turntable 4.
Elevator mechanism 3 is as shown in Figure 2; Form by up-down fixed case 30, second worm gear 31 of working in coordination and second worm screw 32, screw 33 and leading screw 34, up-down hand wheel 35 and the up-down drive stepping motor 36 of working in coordination; Second worm gear 31, second worm screw 32, screw 33 and leading screw 34 all are located in the up-down fixed case 30; The rotating shaft of up-down hand wheel 35 and up-down drive stepping motor 36 all is connected to the central shaft of second worm screw 32; Up-down hand wheel 35 all is located at outside the up-down fixed case 30 with up-down drive stepping motor 36, and second worm gear 31 is connected with screw 33 with one heart, and screw 33 is enclosed within outside the leading screw 34; The upper end of leading screw 34 upwards passes the upper surface of up-down fixed case 30; The lower ends downward of leading screw 34 passes the lower surface of up-down fixed case 30 and connects the central shaft of the turntable 4 and first worm gear 21 successively, a fixing square hood 5 on the up-down fixed case 30, and square hood 5 is enclosed within outside the leading screw 34; The two ends up and down of square hood 5 are respectively equipped with upper limit position switch 51 and lower position switch 52, and the lower end of leading screw 34 is connected with rotating shaft 6.
One end of rotating shaft 6 is a flanged joint 61; The outside of rotating shaft 6 is provided with seal arrangement 7; Seal arrangement 7 is as shown in Figure 3, is made up of the axial secondary seal ring of two axial primary seal circles 71,72, end-face seal ring 73, two guiding elements 74 and flange lining 75, and the flange chassis of flange lining 75 is fixedly connected with the lower surface of base 1; Rotating shaft 6 passes the lower surface of base 1; The through hole of flange lining 75 neck flanges is enclosed within outside the rotating shaft 6, and the through hole formation Spielpassung of rotating shaft 6 and flange lining 75 neck flanges, is embedded with two axial primary seal circles 71 and an axial secondary seal ring 72 between flange lining 75 neck flange through holes and the rotating shaft 6; Two guiding elements 74 all bind round in the outside of rotating shaft 6, and end-face seal ring 73 is embedded between flange lining 75 flange chassis and base 1 lower surface.Two axial primary seal circles 71 and axial secondary seal ring 72 starting seal actions, end-face seal ring 73 plays the static seal effect.
The velocity ratio of first worm gear 21 and first worm screw 22 is 50~100 in the rotating machinery 2, and present embodiment gets 82; The velocity ratio of second worm gear 31 and second worm screw 32 is 20~30 in the elevator mechanism 3, and present embodiment gets 28.The primary seal circle 71 of dynamic seal apparatus 7, secondary seal ring 72 and guiding element 73 all adopt special ultrahigh hardness polyurethane material to process; It is strong to have water-proofing performance, and ageing resistance is good, no stick-slip phenomenon; And having plumbago has self-lubricating effect, the advantage that friction factor is low.When present embodiment uses; Test specimen to be tested is fixed on the flanged joint of rotating shaft 6; Control the angle of swing of rotating machinerys 2 with slewing maneuver handwheel 23 or rotation drive stepping motor 24 with the control test specimen; Rotating machinery 2 adopts first worm gear, the first worm drive mode, and first worm gear, first worm screw that especially can adopt big speed ratio is to realize low-speed motion stably.Control the adjustable height of elevator mechanisms 3 with up-down hand wheel 35 or up-down drive stepping motor 36, carry out position limitation protections by upper limit position switch 51 and lower position switch 52 when test specimen goes up and down with the control test specimen.
Embodiment 2
A kind of motive sealing rotating lifting gear; Comprise base 1, rotating machinery 2, elevator mechanism 3, turntable 4, square hood 5, rotating shaft 6, seal arrangement 7 and control gear 8; Control gear 8 is as shown in Figure 4; Form by displacement coder 81, zero-bit switch 82, touch screen 83 and programmable controller 84; Displacement coder 81 all is fixed on the upper surface of rotational fixation case 20 with zero-bit switch 82 and all is located at a side of turntable 4, and programmable controller 84 is through order wire difference angle of attachment displacement encoder 81, zero-bit switch 82, touch screen 83 and rotation drive stepping motor 24.Other structures are all same with embodiment 1.The structure of present embodiment is as shown in Figure 5.
The method for using of present embodiment is:
1. operating mode is selected: through touch screen interaction, can carry out manual tune or regulate two kinds of model selections automatically the test specimen operation.
2. manual tune: under the manual tune pattern, touch screen can show the residing position of test specimen in real time; In the adjustment process, can set the zero-bit coordinate, show relative position.
3. automatically regulate: if adopt automatic operating mode, calculate required perpendicular distance and angle after, through touch screen parameter is provided with; After setting the zero-bit coordinate and starting operation, rotating machinery and elevator mechanism can run to specified position automatically.
4. upper and lower protection: in order to prevent the people is misoperation, and present embodiment has the misoperation of preventing function, is provided with upper limit position switch and lower position switch; When test specimen during, can send warning near limit switch; After test specimen ran to limit switch, limit switch triggered, and test specimen is out of service.
5. parameter correction: under the adjusting pattern automatically, if desired Operational Limits is made amendment, can the operation of forced termination system.Revise after the parameters such as zero-bit coordinate, perpendicular distance and angle of swing, according to new initialization condition operation.
6. technical performance: the operation technique performance below present embodiment satisfies:
(1) maximum load: 2000kg;
(2) elevation rate is 100mm/min;
(3) stroke is ± 150mm;
(4) rotation angle range: 0~360 °, control accuracy :≤± 1 °;
(5) speed of rotation: 10 °/min.
(6) water tightness: water pressure resistance 6MPa.
(7) operating temperature: 0 ℃ ~ 35 ℃.
Above-described only is the preferred embodiment of the utility model.Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the principle of the invention, can also make some distortion and improvement,, also belong to the protection domain of the utility model such as change to mechanical transmission structure.

Claims (3)

1. motive sealing rotating lifting gear; Comprise base (1), rotating machinery (2) and elevator mechanism (3); Rotating machinery (2) comprises first worm gear (21) and first worm screw (22) of working in coordination; Elevator mechanism (3) comprises second worm gear (31) and second worm screw (32) and the screw (33) of working in coordination and the leading screw (34) of working in coordination; Base (1), rotating machinery (2) and elevator mechanism (3) are connected from bottom to up successively, it is characterized in that: also comprise turntable (4), square hood (5), rotating shaft (6) and seal arrangement (7), rotating machinery (2) also comprises rotational fixation case (20), slewing maneuver handwheel (23) and rotation drive stepping motor (24); Elevator mechanism (3) also comprises up-down fixed case (30), up-down hand wheel (35) and up-down drive stepping motor (36)
The upper surface of base (1) is rotational fixation case (20) fixedly,
First worm gear (21) and first worm screw (22) all are located in the rotational fixation case (20); The rotating shaft of slewing maneuver handwheel (23) and rotation drive stepping motor (24) all is connected to the central shaft of first worm screw (22); Slewing maneuver handwheel (23) and rotation drive stepping motor (24) all are located at outside the rotational fixation case (20)
The upper surface of rotational fixation case (20) is turntable (4) fixedly, and turntable (4) is gone up fixed elevated fixed case (30),
Second worm gear (31), second worm screw (32), screw (33) and leading screw (34) all are located in the up-down fixed case (30); The rotating shaft of up-down hand wheel (35) and up-down drive stepping motor (36) all is connected to the central shaft of second worm screw (32); Up-down hand wheel (35) and up-down drive stepping motor (36) all are located at outside the up-down fixed case (30); Second worm gear (31) is connected with screw (33) with one heart, and screw (33) is enclosed within outside the leading screw (34), and the upper end of leading screw (34) upwards passes the upper surface of up-down fixed case (30); The lower ends downward of leading screw (34) passes the lower surface of up-down fixed case (30) and connects the central shaft of turntable (4) and first worm gear (21) successively; Up-down fixed case (30) is gone up a fixing square hood (5), and square hood (5) is enclosed within outside the leading screw (34), and the two ends up and down of square hood (5) are respectively equipped with upper limit position switch (51) and lower position switch (52); The lower end of leading screw (34) is connected with rotating shaft (6)
One end of rotating shaft (6) is flanged joint (61); The outside of rotating shaft (6) is provided with seal arrangement (7); Seal arrangement (7) is made up of two axial primary seal circles (71), an axial secondary seal ring (72), an end-face seal ring (73), two guiding elements (74) and flange lining (75); The flange chassis of flange lining (75) is fixedly connected with the lower surface of base (1); Rotating shaft (6) passes the lower surface of base (1); The through hole of flange lining (75) neck flange is enclosed within outside the rotating shaft (6), and the through hole of rotating shaft (6) and flange lining (75) neck flange formation Spielpassung, is embedded with two axial primary seal circles (71) and an axial secondary seal ring (72) between flange lining (75) neck flange through hole and the rotating shaft (6); Two guiding elements (74) all bind round in the outside of rotating shaft (6), and end-face seal ring (73) is embedded between flange lining (75) flange chassis and base (1) lower surface.
2. motive sealing rotating lifting gear as claimed in claim 1; It is characterized in that: also comprise control gear (8); Control gear (8) is made up of displacement coder (81), zero-bit switch (82), touch screen (83) and programmable controller (84); Displacement coder (81) and zero-bit switch (82) all are fixed on the upper surface of rotational fixation case (20) and all are located at a side of turntable (4), and programmable controller (84) is through order wire difference angle of attachment displacement encoder (81), zero-bit switch (82), touch screen (83) and rotation drive stepping motor (24).
3. according to claim 1 or claim 2 motive sealing rotating lifting gear; It is characterized in that: the velocity ratio of first worm gear (21) and first worm screw (22) is 50~100 in the rotating machinery (2), and the velocity ratio of second worm gear (31) and second worm screw (32) is 20~30 in the elevator mechanism (3).
CN201120030629U 2011-01-28 2011-01-28 Dynamic-seal rotary lifting device Expired - Fee Related CN202149336U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120030629U CN202149336U (en) 2011-01-28 2011-01-28 Dynamic-seal rotary lifting device

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Application Number Priority Date Filing Date Title
CN201120030629U CN202149336U (en) 2011-01-28 2011-01-28 Dynamic-seal rotary lifting device

Publications (1)

Publication Number Publication Date
CN202149336U true CN202149336U (en) 2012-02-22

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103407746A (en) * 2013-08-12 2013-11-27 山东博润工业技术股份有限公司 Antifreezing dry powder scattering unit
CN106402383A (en) * 2016-11-18 2017-02-15 安徽中研理工仪器设备有限公司 High pressure vessel sealing method
CN110594385A (en) * 2019-10-23 2019-12-20 济南力冠电子科技有限公司 Vacuum chamber dynamic seal driving assembly
CN111775157A (en) * 2019-04-03 2020-10-16 沈阳新松机器人自动化股份有限公司 Rotary lifting mechanism of horizontal joint robot

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103407746A (en) * 2013-08-12 2013-11-27 山东博润工业技术股份有限公司 Antifreezing dry powder scattering unit
CN106402383A (en) * 2016-11-18 2017-02-15 安徽中研理工仪器设备有限公司 High pressure vessel sealing method
CN111775157A (en) * 2019-04-03 2020-10-16 沈阳新松机器人自动化股份有限公司 Rotary lifting mechanism of horizontal joint robot
CN111775157B (en) * 2019-04-03 2022-08-02 沈阳新松机器人自动化股份有限公司 Rotary lifting mechanism of horizontal joint robot
CN110594385A (en) * 2019-10-23 2019-12-20 济南力冠电子科技有限公司 Vacuum chamber dynamic seal driving assembly

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120222

Termination date: 20150128

EXPY Termination of patent right or utility model