CN201936623U - Multi-group double hinged supporting leg flexible rope opening and closing positioning device - Google Patents
Multi-group double hinged supporting leg flexible rope opening and closing positioning device Download PDFInfo
- Publication number
- CN201936623U CN201936623U CN2010206387392U CN201020638739U CN201936623U CN 201936623 U CN201936623 U CN 201936623U CN 2010206387392 U CN2010206387392 U CN 2010206387392U CN 201020638739 U CN201020638739 U CN 201020638739U CN 201936623 U CN201936623 U CN 201936623U
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- China
- Prior art keywords
- supporting leg
- hinged supporting
- flexible strand
- thin
- flexible
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model relates to an accurate positioning device for long rod examination and tool overhauling, in particular to a multi-group double hinged supporting leg flexible rope opening and closing positioning device. A worm and gear mechanism is utilized to drive a drum to rotate and simultaneously to drive four flexible ropes, two of the four ropes tightly haul toward up and down directions respectively, and the other two ropes release to up and down directions respectively; and two pulley wheels are utilized to change the directions of two of the flexible ropes to drive a double hinged supporting leg sliding seat to slide along a thin wall pipe, and two of the four flexible ropes simultaneously haul tightly toward the up and down directions respectively and the other two ropes simultaneously release to cause the double hinged supporting leg sliding seat to do stable movement along the pipe wall without seizing phenomenon. The device uses the flexible ropes to drive the double hinged supporting leg sliding seat to do movement to finish a number of operations of a long rod tool, and can realize remote control operation, and the device has a simple structure and light weight, facilitates the mounting and the operation of the long rod tool, can reduce the operation time of operators, and reduces received nuclear radiation dosage.
Description
Technical field
The utility model relates to the cannot-harm-detection device, is specifically related to a kind of many groups of two hinged supporting leg flexible strand that are used for nuclear power station one circuit system the cannot-harm-detection device location and opens and the gathering locating device.
Background technology
In the shutdown maintenance and checking process of nuclear power station, because of a circuit system has very strong nuclear radiation, therefore must use some stock instruments and some service kits and checking tool be positioned, sometimes bearing accuracy proposed higher requirement by straighforward operation.
For this class location structure, also carried out relevant research and development abroad, but its structure difference, the use airbag aeration that has opens the back instrument is carried out centralized positioning, and the use turning axle that has drives screw motion and drives opening and gathering of supporting leg.These structures and the utility model relatively all come with some shortcomings, and as using the open structure of air bag, because of air bag has elasticity, so bearing accuracy is not high; Use turning axle to drive screw motion and drive opening and the structure of drawing in of supporting leg, because of complex structure, weight is big, makes the installation difficulty of stock instrument, has brought great inconvenience to operation.
Summary of the invention
The purpose of this utility model is to provide a kind of stock inspection and service kit is accurately located, and many groups of two hinged supporting leg flexible strand that make the center of instrument be in the central axis of pipeline or container are opened and drawn locating device in.
Realize the technical scheme of the utility model purpose: the two hinged supporting leg flexible strand of a kind of many groups are opened and are drawn locating device in, and it comprises mount pad, and thin-walled tubulose stock is fixed on the mount pad center, and a plurality of flexible strand limit bases are separately fixed at about the thin-walled tubulose stock; Outside thin-walled tubulose stock, be with the two hinged supporting leg sliding seat that can slide, on the far-end tube wall of thin-walled tubulose stock, be fixed with two hinged supporting leg holders simultaneously on thin-walled tubulose stock surface; Two flexible strand deflection sheavies are separately fixed at about the thin-walled tubulose stock and between two hinged supporting leg holders and two hinged supporting leg sliding seat; The some groups of two hinged supporting legs of " X " shape evenly distribute along thin-walled tubulose stock spaced radial, and a supporting leg of every group of two hinged supporting legs is connected with two hinged supporting leg sliding seats, and another supporting leg is connected with two hinged supporting leg holders; Turbine-worm mechanism is fixed on the mount pad outside, and turbine-worm mechanism drives two cylinders and rotates synchronously; Two flexible long ropes are wrapped in respectively on two cylinders side by side, form four flexible strand; These four flexible strand are passed mount pad respectively; The flexible strand two of each cylinder bottom and flexible strand four are passed a plurality of flexible strand limit bases and are connected with two hinged supporting leg sliding seat near-ends along thin-walled tubulose stock tube wall is upper and lower respectively; The flexible strand one on each cylinder top, flexible strand three are passed a plurality of flexible strand limit bases along thin-walled tubulose stock tube wall is upper and lower respectively, change direction by flexible strand deflection sheave 1 respectively again, and are connected with two hinged supporting leg sliding seat far-ends.
The two hinged supporting leg flexible strand of aforesaid a kind of many groups are opened and are drawn locating device in, and the two hinged supporting legs of its described " X " shape have three groups, are 120 degree and are distributed in thin-walled tubulose stock radially.
Effect of the present utility model is:
The utility model device utilizes turbine and worm mechanism to drive the cylinder rotation and drives four flexible strand simultaneously, at cylinder when direction is rotated, two ropes wherein divide the above-below direction tension, two ropes divide above-below direction to lengthen in addition, utilize two pulleys to change the wherein direction of two flexible strand, driving two hinged supporting leg sliding seats slides along thin walled tube, two branch above-below directions in four flexible strand strain simultaneously with other two loosen simultaneously, make two hinged supporting leg sliding seats move steadily, stuck phenomenon can not occur along tube wall.
Flexible strand is at the canoe arranged side by side on the cylinder: make cylinder when driving two rope tensions, drive in addition that two ropes loosen simultaneously, the two hinged supporting leg sliding seats of pulling can move along tube wall; All four flexible strand all are in tensioning state always simultaneously, along the regular winding of cylinder, irregular winding can not occur, and making the phenomenon that flexible strand is pushed down mutually influences the rotation of cylinder.
Utilize flexible strand to drive the motion of two hinged supporting leg sliding seats, finish some actions of stock instrument, can realize the distant operation of long-distance, simple in structure, weight reduces greatly, makes stock instrument fitting operation convenient, reduce personnel's running time, reduced the nuclear radiation dosage of accepting.
Utilize many group (three groups) two hinged supporting legs to open the location, hinged supporting leg good rigidly forms two concentric circles supporting surfaces, and the face of cylinder that makes the end points of supporting leg form overlaps with cylindrical shell (or pipeline) inwall; the centerline of thin walled tube has guaranteed bearing accuracy on cylindrical shell (or pipeline) center line.
Two hinged supporting legs utilize flexible strand to open conveniently, and are simple in structure, in light weight, do not need other backup system and equipment, reduced the complicacy of set-up time and system.
Description of drawings
Fig. 1 opens for the two hinged supporting leg flexible strand of many groups and draws the positioning device structure synoptic diagram in;
Fig. 2 is thin-walled tubulose stock and two hinged supporting leg sliding seat side views;
Fig. 3 is the two hinged supporting leg master TV structure figure of many groups;
Fig. 4 twines synoptic diagram (turbine-worm drive) for flexible strand on cylinder.
Among the figure: 1. flexible strand deflection sheave; 2. thin-walled tubulose stock; 3. flexible strand limit base; 4. flexible strand; 5. mount pad; 6. turbine-worm mechanism; 7. cylinder; 8. two hinged supporting leg sliding seats; 9. the two hinged supporting legs of many groups; 10. two hinged supporting leg holders; 12. flexible strand one; 13. flexible strand two; 14. flexible strand four; 15. flexible strand three; 16. jointed shaft; 17. cylinder.
Embodiment
The two hinged supporting leg flexible strand of many groups described in the utility model are opened and draw locating device in and be further described below in conjunction with the drawings and specific embodiments.
In the inspection and maintenance process of nuclear power station, in order to reduce the nuclear radiation that the staff is subjected to, need be by some stock orientation tools, carry out straighforward operation after utilizing these tool positioned.For stock inspection and service kit are accurately located, make the center of instrument be in the central axis of pipeline or container, the utility model provides a kind of turbine and worm mechanism of utilizing to drive flexible strand, drive the two hinged supporting legs of many groups back and forth by flexible strand and open and draw in, the device that the stock instrument is positioned.
As depicted in figs. 1 and 2, the two hinged supporting leg flexible strand of many groups described in the utility model are opened and are drawn detent mechanism in and mainly comprise mount pad 5, turbine-worm mechanism 6, cylinder 17, two groups of totally four tractive flexible strand 4, thin-walled tubulose stock 2, a plurality of flexible strand limit base 3, two flexible strand deflection sheavies 1, three groups of two hinged supporting legs 9, two hinged supporting leg holder 10, two hinged supporting leg sliding seats 8 back and forth up and down.
It is the position that thin-walled tubulose stock 2 is fixed on mount pad 5 centers, and a plurality of flexible strand limit bases 3 are welded on the top and the below of thin-walled tubulose stock 2 respectively.Be with the two hinged supporting leg sliding seat 8 that can slide on thin-walled tubulose stock 2 surfaces on thin-walled tubulose stock 2, the far-end outer surface of tube wall at thin-walled tubulose stock 2 is welded with two hinged supporting leg holders 10 simultaneously.Two flexible strand deflection sheavies 1 lay respectively between two hinged supporting leg holders 10 and the two hinged supporting leg sliding seat 8, are symmetrically welded to be fixed on thin-walled tubulose stock outside surface about in the of 2.
As shown in Figure 3, long leg such as two connect at the center by jointed shaft 16, form one group of expansible and become the two hinged supporting legs 9 of " X " shape.Long leg such as totally six connect at the center by jointed shaft, form three groups of expansibles and become the two hinged supporting legs 9 of " X " shape.As shown in Figure 3, three groups of two hinged supporting legs 9 are 120 degree and are distributed in thin-walled tubulose stock 2 radially, and every group of two hinged supporting legs 9 all have a supporting leg to be connected with two hinged supporting leg sliding seats 8, and its another supporting leg is connected with two hinged supporting leg holders 10.
As shown in Figure 4, turbine-worm mechanism 6 is installed in the outside on the mount pad 5, and turbine-worm mechanism 6 drives two cylinders 17 and rotates synchronously.Two flexible long ropes are wrapped in side by side by on 6 drivings of turbine-worm mechanism and synchronous two cylinders 17 that rotate, and form four flexible strand 12,13,14,15 then.These four flexible strand 12,13,14,15 are passed mount pad 5 respectively.Two flexible strand 2 13 of each cylinder bottom, flexible strand 4 14 are passed a plurality of flexible strand limit bases 3 respectively and are connected with two hinged supporting leg sliding seat 9 near-ends along thin-walled tubulose stock 2 tube wall tops, bottom.Two flexible strand 1 on each cylinder top, flexible strand 3 15 are passed a plurality of flexible strand limit bases 3 along thin-walled tubulose stock 2 tube wall tops, bottom respectively, change direction thereby pass flexible strand deflection sheave 1 more respectively, be connected with two hinged supporting leg sliding seat 8 far-ends from opposite side (far-end).The connected mode exchange effect of flexible strand 1 and flexible strand 3 15, flexible strand 2 13 and flexible strand 4 14 is identical.By these two groups totally four flexible strand the time tractive with loosen, the two hinged supporting leg sliding seats 8 of pulling produce relative motion with two hinged supporting leg holders 10, make above-mentioned three groups of two hinged supporting legs 9 open or draw in, thereby the pipe of thin-walled tubulose stock 2 accurately is positioned on cylindrical shell or the tube axis.
The two hinged supporting leg flexible strand of many groups described in the utility model are opened when drawing locating device in and use: mount pad 5 is installed in by screw on the flange of cylindrical container or pipeline and locatees, turbine-worm mechanism 6 is installed in outside on the mount pad 5.With the crank of hand rotary worm, rotary worm, worm drive turbine rotation, turbine connects with two cylinders that are connected 17, rotates synchronously thereby drive two cylinders.Such four flexible strand, 12,13,14,15 motions, flexible strand 1 and flexible strand three are strained synchronously or are unclamped, and flexible strand 2 13 and flexible strand 4 14 are unclamped synchronously or are strained.At this moment, the two hinged supporting leg sliding seat 8 that is connected with these four flexible strand 12,13,14,15 slides outside thin-walled tubulose stock 2 tube walls, opens or draws in thereby drive three groups of two hinged supporting legs 9.When the two hinged supporting legs 9 of three group leaders open, play the location, utilize the supports on two round sections in 6 o'clock of six leg ends, the stock instrument accurately is fixed on the tubular axis.
The utility model device utilizes flexible strand to strain simultaneously in both sides respectively and loosens (two hinged supporting leg sliding seat 8 far-ends are strained and loosened the support change direction of flexible strand by flexible strand deflection sheave 1), two hinged supporting leg sliding seats 8 are produced with two hinged supporting leg holders 10 relatively move, control opening and gathering of the two hinged supporting legs of many groups.The utility model device can be widely used in nuclear power station or other industry the distant operation of some needs the stock instrument or the device on, fitting operation is simple, the bearing accuracy height.
Claims (2)
1. the two hinged supporting leg flexible strand of group more than a kind are opened and are drawn locating device in, it is characterized in that:
This device comprises mount pad (5), and thin-walled tubulose stock (2) is fixed on mount pad (5) center, and a plurality of flexible strand limit bases (3) are separately fixed at thin-walled tubulose stock (2) up and down; Outside thin-walled tubulose stock (2), be with the two hinged supporting leg sliding seat (8) that can slide, on the far-end tube wall of thin-walled tubulose stock (2), be fixed with two hinged supporting leg holders (10) simultaneously on thin-walled tubulose stock (2) surface; Two flexible strand deflection sheavies (1) are separately fixed at thin-walled tubulose stock (2) up and down and be positioned between two hinged supporting leg holders (10) and pair hinged supporting leg sliding seat (8); The some groups of two hinged supporting legs (9) of " X " shape evenly distribute along thin-walled tubulose stock (2) spaced radial, and a supporting leg of every group of two hinged supporting legs (9) is connected with two hinged supporting leg sliding seats (8), and another supporting leg is connected with two hinged supporting leg holders (10);
Turbine-worm mechanism (6) is fixed on mount pad (5) outside, and turbine-worm mechanism (6) drives two cylinders (17) and rotates synchronously; Two flexible long ropes are wrapped in respectively on two cylinders (17) side by side, form four flexible strand (12,13,14,15); These four flexible strand (12,13,14,15) are passed mount pad (5) respectively; The flexible strand two (13) of each cylinder (17) bottom is connected with two hinged supporting leg sliding seat (9) near-ends along the upper and lower a plurality of flexible strand limit bases (3) that pass of thin-walled tubulose stock (2) tube wall respectively with flexible strand four (14); The flexible strand one (12) on each cylinder (17) top, flexible strand three (15) are respectively along the upper and lower a plurality of flexible strand limit bases (3) that pass of thin-walled tubulose stock (2) tube wall, change direction by flexible strand deflection sheave 1 respectively again, and be connected with two hinged supporting leg sliding seats (8) far-end.
2. the two hinged supporting leg flexible strand of a kind of many groups according to claim 1 are opened and are drawn locating device in, and it is characterized in that: the two hinged supporting legs (9) of described " X " shape have three groups, are 120 degree and are distributed in thin-walled tubulose stock (2) radially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206387392U CN201936623U (en) | 2010-12-02 | 2010-12-02 | Multi-group double hinged supporting leg flexible rope opening and closing positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206387392U CN201936623U (en) | 2010-12-02 | 2010-12-02 | Multi-group double hinged supporting leg flexible rope opening and closing positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201936623U true CN201936623U (en) | 2011-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206387392U Expired - Lifetime CN201936623U (en) | 2010-12-02 | 2010-12-02 | Multi-group double hinged supporting leg flexible rope opening and closing positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201936623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102063946A (en) * | 2010-12-02 | 2011-05-18 | 核动力运行研究所 | Positioning device for folding and unfolding plurality of strands of double-twisted supporting leg flexible ropes |
-
2010
- 2010-12-02 CN CN2010206387392U patent/CN201936623U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102063946A (en) * | 2010-12-02 | 2011-05-18 | 核动力运行研究所 | Positioning device for folding and unfolding plurality of strands of double-twisted supporting leg flexible ropes |
| CN102063946B (en) * | 2010-12-02 | 2013-02-13 | 核动力运行研究所 | Positioning device for folding and unfolding plurality of strands of double-twisted supporting leg flexible ropes |
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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: 20110817 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |