CN213226189U - Through type guide rail structure - Google Patents
Through type guide rail structure Download PDFInfo
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- CN213226189U CN213226189U CN202020947101.0U CN202020947101U CN213226189U CN 213226189 U CN213226189 U CN 213226189U CN 202020947101 U CN202020947101 U CN 202020947101U CN 213226189 U CN213226189 U CN 213226189U
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Abstract
The utility model belongs to the technical field of the nuclear power overhauls, concretely relates to run-through guide rail structure. The device is of a multi-section splicing structure and comprises a guide rail A, a guide rail B and a guide rail C; wherein, the guide rail A and the guide rail C are respectively one section, and the guide rail B is one section or a plurality of sections; the guide rail A, the guide rail B and the guide rail C are connected through connecting pieces and/or connecting hooks. Has the advantages that: the structure is simple, the installation and the operation are convenient, the connection is reliable, and the structural rigidity is good; by adopting a multi-section splicing structure, the device can be quickly connected, butted and installed on hand holes on two sides of a central pipe gallery of the steam generator, so that the problem of narrow field operation space is solved; the secondary side tube plate maintenance is realized through one-time installation, and the problems of high working intensity, high irradiation dose, low working efficiency and the like of operators can be solved; the mounting interface of the secondary maintenance robot of the steam generator of each type of nuclear power station can be matched.
Description
Technical Field
The utility model belongs to the technical field of the nuclear power overhauls, concretely relates to run-through guide rail structure.
Background
Steam generator (SG for short) is important primary circuit pressure boundary in the nuclear power station, and deposit mud sediment and foreign object easily on the secondary side tube sheet, can cause corruption or wearing and tearing to the steam generator heat-transfer pipe, influence SG operation safely and stably, so must regularly overhaul steam generator tube sheet secondary side, main work includes that secondary side tube sheet mud sediment water conservancy washes, secondary side cleanliness video inspection and foreign matter snatch etc. clear away the mud sediment and the foreign object of secondary side, in time eliminate latent harm, guarantee steam generator secondary side cleanliness. At present, most of work of overhauling a tube plate secondary side of a steam generator is completed by professional operators, the automation and the intelligent degree of overhauling equipment are low, the requirement on the professional skill of the operators is high, the borne irradiation dose is increased, in addition, the SG secondary side structure is complex, the space is narrow and small, the tightness is realized, a plurality of regions cannot be reached, and the manual overhauling region and the reliability are limited.
The steam generator that develops at present overhauls the robot and is mostly cantilever type or half side guide rail type, install on steam generator hand hole flange, once the installation can only realize half side tube sheet and overhaul, and accomplish half side tube sheet and overhaul the back, need shift equipment to installing again and overhauing to the offside hand hole, overhaul work until accomplishing full tube sheet, wherein need transfer equipment, erection equipment, produce a large amount of non-operating time, it is big to cause operating personnel working strength, the irradiation dose is high, and operating time is long. In order to improve the maintenance efficiency, a through type guide rail structure is needed to be provided, which passes through the hand hole of the steam generator and provides a moving track for the maintenance equipment. However, the diameter of the steam generator is large, the length of the penetrating guide rail needs to be larger than the diameter of SG, and the integrated penetrating guide rail has the problems of inconvenience in installation, transportation and storage and the like. In addition, the inside operating space of steam generator is very narrow and small, for reducing operating personnel radiation dose, need provide one kind can be in narrow and small space the quick butt joint installation, multistage mosaic structure's through type guide rail structure to solve that operating personnel working strength is big and the radiation dose is high, and the not high scheduling problem of work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a can install fast, the run-through guide rail structure of multistage concatenation to the inconvenient problem of guide rail structure of integration among the prior art.
The technical scheme of the utility model as follows:
a through type guide rail structure is a multi-section splicing structure and comprises a guide rail A, a guide rail B and a guide rail C; wherein, guide rail A and guide rail C are respectively one section, and guide rail B is one section or many sections.
Furthermore, the guide rail is provided with an opening along the axis direction, so that a sliding space is provided for the moving device; the sliding grooves are formed in the two sides of the inner wall of the opening along the axis direction of the guide rail, and a sliding space is provided for the moving device. The guide rail A, the guide rail B and the guide rail C are connected through connecting pieces and/or connecting hooks.
Further, guide rail A right-hand member face is equipped with a central groove, guide rail B's both sides terminal surface all is equipped with the central groove, guide rail C left end face is equipped with the central groove, and the both ends of connecting piece are installed in guide rail A, guide rail B or guide rail C's central groove. The inner wall of the central groove is provided with a groove along the axial direction of the guide rail, and the two sides of the connecting piece are symmetrically provided with convex structures which are matched with the groove on the inner wall of the central groove; the connecting piece is fixed in the central groove of the guide rail A, the guide rail B or the guide rail C through screws. The lateral wall of connecting piece one end is provided with the arc chute, and guide rail B and guide rail C's centre groove lateral wall is provided with the screw hole, and screw hole position and connecting piece arc chute phase-match, bulb screw install in the screw hole top tighten the arc chute on the connecting piece.
Furthermore, coupling hook fixed connection is in guide rail A or guide rail B's one end bottom, guide rail B and guide rail C's one end bottom bilateral symmetry are provided with heavy platform to sink and set up a locating pin on the platform in both sides for cooperate with the coupling hook. The connecting hook is of a Z-shaped long strip structure, the front end of the connecting hook is arc-shaped, and an open circular groove structure is arranged for being connected with the positioning pin.
Further, the guide rail A comprises a guide rail A body, a guide rail A connecting piece and a guide rail A connecting hook; the guide rail A body is of a long strip-shaped structure, one end of a guide rail A connecting piece is arranged in a long central groove of the end face of the guide rail A body, and the other end of the guide rail A connecting piece is arranged in a central groove of the guide rail B; the bottom of the end surface of one side of the guide rail A body is symmetrically provided with guide rail A connecting hooks which are used for connecting with a guide rail B; the guide rail B comprises a guide rail B body, a guide rail B connecting piece and a guide rail B connecting hook; one end of the guide rail B connecting piece is arranged in a central groove at the top of the guide rail B body, and the other end of the guide rail B connecting piece is arranged in a central groove of the guide rail B or the guide rail C; sinking platforms are symmetrically arranged on two sides of the end face of the guide rail B body, and positioning pins are arranged on the sinking platforms and are used for being connected and matched with the guide rail A connecting hooks 314; 2 guide rail B connecting hooks are symmetrically installed on two sides of the right end face of the guide rail B body through screws; the guide rail C comprises a guide rail C body, and the other end of the guide rail B connecting piece is arranged in a central groove of the guide rail C body to realize the connection of the guide rail B and the guide rail C.
Further, a base plate is arranged among the guide rail A, the guide rail B and the guide rail C and used for adjusting the assembling clearance.
The beneficial effects of the utility model reside in that:
the utility model discloses a steam generator secondary side overhauls penetrating type guide rail structure of robot's technical characterstic lies in: simple structure, installation convenient operation, the connection is reliable, and structural rigidity is good. The utility model discloses a run through formula guide rail structure adopts multistage mosaic structure, can connect the butt joint soon and install to steam generator center tube corridor both sides hand hole on, solve the narrow and small problem in on-the-spot operating space. Meanwhile, the guide rail is provided with a supporting structure, so that the secondary side overhaul of the steam generator can be carried out by matching with overhaul robots with various different functions. The secondary side tube plate maintenance is realized through one-time installation, and the problems that the working intensity of operators is high, the irradiation dose is high, the working efficiency is not high and the like can be solved. Additionally, the utility model discloses a steam generator secondary side overhauls penetrating formula guide rail structure's of robot technical characterstic lies in, can match the installation interface of the steam generator secondary maintenance robot of various nuclear power stations.
Drawings
Fig. 1 is a schematic view of the overall installation of the through guide rail of the present invention;
fig. 2 is a schematic structural view of the through guide rail of the present invention;
fig. 3 is a schematic cross-sectional view of the through guide rail of the present invention;
FIG. 4 is a schematic structural view of the guide rail A in FIG. 2;
FIG. 5 is a schematic structural view of the guide rail B in FIG. 2;
FIG. 6 is a schematic structural view of the guide rail C of FIG. 2;
in the figure: in the figure: 1-a steam generator, 2-a flange bracket, 3-a guide rail and 4-a maintenance robot;
31-guide a, 32-guide B, 33-guide C; 311-guide rail A body, 312-guide rail A connecting piece, 313-guide rail A backing plate and 314-guide rail A connecting hook; 321-guide rail B body, 322-guide rail B connecting piece, 323-guide rail B backing plate, 324-guide rail B connecting hook and 325-guide rail B ball head screw; 331-guide rail C body, 332-guide rail C backing plate and 333-guide rail C ball screw.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
This embodiment provides a through-type guide rail structure, which is configured as shown in figure 1,
it is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Combine shown in fig. 1, this embodiment provides a run-through guide rail structure, can be applicable to steam generator secondary side maintenance robot, but after the multistage concatenation quick mounting on the hand hole flange of 1 center tube corridor both sides of steam generator, the maintenance machine ware 4 people of the multiple different functions of mountable on the guide rail 3, maintenance machine ware 4 moves to offside hand hole along guide rail 3 from steam generator one side hand hole, accomplishes steam generator secondary side maintenance work step by step. The both ends of guide rail 3 are provided with flange bracket 2 or other similar bearing structure for with steam generator or other wait to overhaul the device and be connected, the through-type guide rail of this embodiment also can be applicable to other occasions that need adopt assembled stock structure.
As shown in fig. 2, the guide rail 3 is a strip-shaped multi-segment splicing structure, and can be divided into a guide rail a31, a guide rail B32 and a guide rail C33; the guide rail A31 and the guide rail C33 are respectively provided with a plurality of guide rails B32, and the length of each guide rail and the number of the guide rails B32 can be adjusted according to actual length requirements. And a connecting structure is arranged between each section of guide rail, and the guide rails are quickly connected section by section.
The guide rail 3 is provided with an opening along the axis thereof, so that the guide rail 3 forms a semi-annular cylinder structure, the cross section of the guide rail is as shown in fig. 3, sliding grooves can be arranged on two sides of the opening of the guide rail 3 and are matched with bosses on the maintenance robot 4 or other moving devices, the maintenance robot 4 can be hung on the guide rail 3, and the maintenance robot can move in the sliding grooves of the guide rail 3. The guide rail 3 may be provided with a flange at the bottom in the axial direction thereof as a slide rail of the moving device.
As shown in fig. 4, the guide rail a1 includes a guide rail a body 311, a guide rail a connector 312, a guide rail a pad 313, and a guide rail a connection hook 314. The guide rail A body 311 is of a long strip-shaped structure, the cross section of the guide rail A body is as shown in FIG. 4, a long strip-shaped central groove is formed in the top of the right end face along the length direction of the guide rail A body 311, and the guide rail A connecting piece 312 is installed in the long central groove of the right end face of the guide rail A body 311 and fixed by screws; two inner walls of the right central groove of the guide rail A body 311 are respectively provided with a strip-shaped groove for positioning and moving the guide rail A connecting piece 312.
The right end face of the guide rail A body 311 is provided with a guide rail A base plate 313 by adopting a screw; and 2 guide rail A connecting hooks 314 are symmetrically installed at the bottom of the right end surface of the guide rail A body 311 by adopting screws, so that the guide rail A connecting hooks 314 are of a symmetrical structure, and the guide rail A connecting hooks 314 are used for being connected with the guide rail B.
The guide rail A connecting piece 312 is of a long strip structure, protruding structures are symmetrically arranged on two sides of the left end of the guide rail A connecting piece and matched with a groove in a long central groove above the right end face of the guide rail A body 311, positioning of the guide rail A connecting piece 312 is achieved, and then the guide rail A connecting piece is connected and fastened through screws; an arc chute is arranged on one side surface of the right end of the guide rail A connecting piece 312 and is matched with a guide rail B ball head screw 325 on the guide rail B2.
The guide rail A connecting hook 314 is of a Z-shaped long strip structure and is installed on two sides of the right end face of the guide rail A body 311, the front end of the guide rail A connecting hook 314 is arc-shaped, and an open circular groove structure is arranged for being connected with a positioning pin at the left end of the guide rail B32.
Referring to fig. 5, the guide rail B32 includes a guide rail B body 321, a guide rail B connector 322, a guide rail B backing plate 323, a guide rail B connecting hook 324, and a guide rail B ball screw 325. The top center of the left end face of the guide rail B body 321 is provided with a long groove, the side face of the long groove is provided with a threaded hole, and a guide rail B ball head screw 325 is arranged in the threaded hole and used for tightly pushing an arc chute on the guide rail A connecting piece 312 on the right end face of the guide rail A31; the guide rail B connecting piece 322 is arranged in a long groove at the top of the right end face of the guide rail B body 321 and is fixed by screws; two end faces of the guide rail B32 are respectively provided with a guide rail B backing plate 323 by screws; sinking platforms are symmetrically arranged on two sides of the left end face of the guide rail B body 321, and two positioning pins are arranged on the sinking platforms and are used for being connected and matched with 2 guide rail A connecting hooks 314 at the right end of the guide rail A31; two sides of the right end face of the guide rail B body 321 are symmetrically provided with 2 guide rail B connecting hooks 324 by screws, and the guide rail B connecting hooks 324 are of a symmetrical structure.
As shown in fig. 6, the guide rail C33 includes a guide rail C body 331, a guide rail C backing plate 332, and a guide rail C ball screw 333, wherein a long groove is formed in the center of the upper portion of the left end face of the guide rail C body 331, a threaded hole is formed in the side face of the long groove, a guide rail B ball screw 325 is installed for tightly pushing against an arc-shaped chute on the guide rail B connecting piece 322 on the right end face of the guide rail B32, and the guide rail B backing plate 332 is mainly used for facilitating gap adjustment of assembly and ensuring connection accuracy.
The guide rail A connecting piece 312 and the guide rail B connecting piece 322 are parts with the same specification and size; the guide rail A base plate 313, the guide rail B base plate 323 and the guide rail C base plate 332 are all parts with the same specification and size; the guide rail A connecting hook 314 and the guide rail B connecting hook 324 are parts with the same specification and size; the guide rail B ball screw 325 and the guide rail C ball screw 333 are parts with the same specification and size.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. A run-through guide rail structure, its characterized in that: the multi-section splicing structure comprises a guide rail A (31), a guide rail B (32) and a guide rail C (33); wherein, the guide rail A (31) and the guide rail C (33) are respectively one section, and the guide rail B (32) is one section or a plurality of sections.
2. The pass-through rail structure of claim 1, wherein: the guide rail (3) is provided with an opening along the axis direction, and sliding grooves are formed in the two sides of the inner wall of the opening along the axis direction of the guide rail (3).
3. A through-going rail construction according to claim 1 or 2, characterized in that: the guide rail A (31), the guide rail B (32) and the guide rail C (33) are connected through connecting pieces and/or connecting hooks.
4. A through-going track structure according to claim 3, wherein: guide rail A (31) right-hand member face is equipped with a central groove, the both sides terminal surface of guide rail B (32) all is equipped with the central groove, guide rail C (33) left end face is equipped with the central groove, and the central inslot at guide rail A (31), guide rail B (32) or guide rail C (33) is installed at the both ends of connecting piece.
5. The pass-through rail structure of claim 4, wherein: a groove is formed in the inner wall of the central groove along the axial direction of the guide rail (3), and protruding structures are symmetrically arranged on two sides of the connecting piece and matched with the groove in the inner wall of the central groove; the connecting piece is fixed in a central groove of the guide rail A (31), the guide rail B (32) or the guide rail C (33) through screws.
6. The pass-through rail structure of claim 5, wherein: the lateral wall of connecting piece one end is provided with the arc chute, and the center slot lateral wall of guide rail B (32) and guide rail C (33) is provided with the screw hole, and screw hole position and connecting piece arc chute phase-match, ball screw install the arc chute on the tight connecting piece in screw hole top.
7. The pass-through rail structure of claim 4, wherein: connecting hook fixed connection is in the one end bottom of guide rail A (31) or guide rail B (32), the one end bottom bilateral symmetry of guide rail B (32) and guide rail C (33) is provided with heavy platform to set up a locating pin on heavy platform of both sides, be used for cooperating with the connecting hook.
8. The pass-through rail structure of claim 7, wherein: the connecting hook is of a Z-shaped long strip structure, the front end of the connecting hook is arc-shaped, and an open circular groove structure is arranged for being connected with the positioning pin.
9. The pass-through rail structure of claim 8, wherein: the guide rail A (31) comprises a guide rail A body (311), a guide rail A connecting piece (312) and a guide rail A connecting hook (314); the guide rail A body (311) is of a long strip-shaped structure, one end of a guide rail A connecting piece (312) is arranged in a long central groove of the end face of the guide rail A body (311), and the other end of the guide rail A connecting piece is arranged in a central groove of the guide rail B (32); guide rail A connecting hooks (314) are symmetrically arranged at the bottom of one side end surface of the guide rail A body (311) and are used for being connected with a guide rail B (32);
the guide rail B (32) comprises a guide rail B body (321), a guide rail B connecting piece (322) and a guide rail B connecting hook (324); one end of the guide rail B connecting piece (322) is arranged in a central groove at the top of the guide rail B body (321), and the other end of the guide rail B connecting piece is arranged in a central groove of the guide rail B (32) or the guide rail C (33); sinking platforms are symmetrically arranged on two sides of the end face of the guide rail B body (321), and positioning pins are arranged on the sinking platforms and are used for being connected and matched with the guide rail A connecting hooks 314; 2 guide rail B connecting hooks (324) are symmetrically installed on two sides of the right end face of the guide rail B body (321) by screws;
the guide rail C (33) comprises a guide rail C body (331), and the other end of the guide rail B connecting piece (322) is installed in a central groove of the guide rail C body (331) to realize the connection of the guide rail B (32) and the guide rail C (33).
10. The pass-through rail structure of claim 8, wherein: and backing plates are arranged among the guide rail A (31), the guide rail B (32) and the guide rail C (33) and are used for adjusting assembly gaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020947101.0U CN213226189U (en) | 2020-05-29 | 2020-05-29 | Through type guide rail structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020947101.0U CN213226189U (en) | 2020-05-29 | 2020-05-29 | Through type guide rail structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213226189U true CN213226189U (en) | 2021-05-18 |
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ID=75883954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020947101.0U Active CN213226189U (en) | 2020-05-29 | 2020-05-29 | Through type guide rail structure |
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| CN (1) | CN213226189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025672A (en) * | 2020-05-29 | 2020-12-04 | 中核武汉核电运行技术股份有限公司 | Through type guide rail structure |
-
2020
- 2020-05-29 CN CN202020947101.0U patent/CN213226189U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025672A (en) * | 2020-05-29 | 2020-12-04 | 中核武汉核电运行技术股份有限公司 | Through type guide rail structure |
| CN112025672B (en) * | 2020-05-29 | 2024-09-10 | 中核武汉核电运行技术股份有限公司 | Penetrating type guide rail structure |
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