CN211628711U - Positioning device for nuclear power station - Google Patents
Positioning device for nuclear power station Download PDFInfo
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- CN211628711U CN211628711U CN201922010362.XU CN201922010362U CN211628711U CN 211628711 U CN211628711 U CN 211628711U CN 201922010362 U CN201922010362 U CN 201922010362U CN 211628711 U CN211628711 U CN 211628711U
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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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Abstract
The utility model relates to the technical field of special tools for nuclear power plants, and provides a positioning device for a nuclear power plant, which is used for installing a neutron detector on a nuclear power pressure vessel and comprises a bracket component and a positioning component, wherein the bracket component comprises a first telescopic rod arranged along the vertical direction, and a second telescopic rod and a third telescopic rod which are respectively and vertically connected with the first telescopic rod, the positioning component comprises a positioning plate with an indicating hole, the positioning plate can be connected with the second telescopic rod and/or the third telescopic rod in a relatively moving way on the first telescopic rod, the positioning device for the nuclear power plant can avoid the measurement and positioning operation of an installer in a reactor core field, effectively reduce the stay time of the installer in the reactor core field, avoid the installer from receiving excessive radiation, improve the working efficiency, and simultaneously, the positioning device for the nuclear power plant determines the installation position of an installation bracket through a telescopic adjustment mode, therefore, the mounting position precision of the neutron detector is effectively improved.
Description
Technical Field
The utility model relates to a nuclear power station specialized tool technical field especially provides a positioner for nuclear power station.
Background
For a nuclear power plant, the neutron flux density of a reactor core is a very important parameter, which is closely related to nuclear safety, and for this reason, a nuclear power pressure vessel is usually provided with a neutron detector, so that a worker can know the neutron flux density of the reactor core in time to prevent nuclear safety accidents.
Before installing the neutron detector, a support is generally required to be installed on the wall surface of a heat insulation layer of a pressure vessel, and when the support is installed, an installer is required to use a measuring tape, a level ruler with a right angle, a plumb line, a marking pen and other tools to measure, mark and mark so as to mark the installation position of the support, so that the installation position precision of the neutron detector is ensured, however, the installation mode is complex in process and low in working efficiency, and the installer needs to stay near a reactor core for a long time, so that the installer receives a large amount of nuclear radiation, and the safety and health of the human body of the installer are seriously affected; moreover, the installation mode is carried out through a manual measurement mode, so that measurement errors are easy to occur, and the installation position precision of the neutron detector is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a positioner for nuclear power station aims at solving the equal lower technical problem of installation effectiveness and the mounted position precision of current neutron detector.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a positioner for nuclear power station for install neutron detector on nuclear power pressure vessel, includes bracket component and locating component, the bracket component include along the first telescopic link of vertical direction setting, respectively with second telescopic link and the third telescopic link of first telescopic link perpendicular connection, locating component is including the locating plate that is equipped with the instruction hole, the locating plate can with the second telescopic link and/or the third telescopic link relatively move ground connect in on the first telescopic link.
The utility model provides a positioner for nuclear power station has following beneficial effect at least: when the telescopic type telescopic device is used, an installer firstly adjusts the telescopic sizes of the first telescopic rod, the second telescopic rod and the third telescopic rod outside a reactor core field according to the distance size between reference points on the support ring of the pressure vessel and the size of the installation position of the installation support obtained through measurement and calculation; after the adjustment is finished, an installer carries the positioning device for the nuclear power station to enter the reactor core field, then places the second telescopic rod and the third telescopic rod between two adjacent reference points on the support ring of the pressure vessel, enables the end part of the second telescopic rod far away from the first telescopic rod to be abutted against one reference point, and enables the end part of the third telescopic rod far away from the first telescopic rod to be abutted against the other reference point; at the moment, the positioning plate is tightly attached to the wall surface of the heat insulation layer of the pressure container, then the positioning plate penetrates through the indicating hole to drill the mounting hole in the heat insulation layer, the mounting bracket is installed on the wall surface of the heat insulation layer in a matched mode through the fastening piece and the mounting hole, and finally an installer installs the neutron detector on the mounting bracket, namely the installation of the neutron detector is completed. In the installation process, the positioning device for the nuclear power station can be adjusted in size outside the reactor core field, so that the retention time of installation personnel in the reactor core field is effectively reduced, and the installation personnel are prevented from receiving excessive radiation; meanwhile, after entering the reactor core field, an installer can determine the installation position of the installation support by only placing the positioning device for the nuclear power station at the corresponding position, so that the measurement positioning operation is avoided, the working efficiency is effectively improved, the retention time of the installer in the reactor core field is further reduced, and the installer is more effectively prevented from receiving excessive radiation; moreover, the positioning device for the nuclear power station determines the installation position of the installation support through a telescopic adjustment mode, and compared with a manual measurement mode, the positioning device is high in adjustment precision, so that the installation position precision of the installation support is effectively improved, namely the installation position precision of the neutron detector is improved.
In one embodiment, the second telescoping rod is foldably connected to the first telescoping rod and the third telescoping rod is foldably connected to the first telescoping rod.
In one embodiment, the bracket assembly further includes a connecting seat, the first telescopic rod is fixedly installed on the connecting seat, one end of the connecting seat is rotatably connected to the second telescopic rod, so that the second telescopic rod and the first telescopic rod can be folded, and the other end of the connecting seat is rotatably connected to the third telescopic rod, so that the third telescopic rod and the first telescopic rod can be folded.
In one embodiment, the connecting seat includes a first seat body and a second seat body, and the first seat body is rotatably connected to the second seat body, so that the first seat body and the second seat body can rotate relatively along a horizontal plane.
In one embodiment, the first telescopic rod comprises a first rod body and a first sleeve sleeved on the first rod body, the first sleeve is provided with a first fastening hole for fixing the first rod body, and the first rod body is provided with a first scale mark part; and/or the second telescopic rod comprises a second rod body and a second sleeve sleeved on the second rod body, the second sleeve is provided with a second fastening hole for fixing the second rod body, and the second rod body is provided with a second scale identification part; and/or the third telescopic rod comprises a third rod body and a third sleeve sleeved on the third rod body, the third sleeve is provided with a third fastening hole used for fixing the third rod body, and a third scale mark part is arranged on the third rod body.
In one embodiment, the positioning assembly further includes a fourth telescopic rod and a fifth telescopic rod respectively vertically connected to the first rod, the positioning plate includes a first plate and a second plate, the first plate is connected to the movable end of the fourth telescopic rod, and the second plate is connected to the movable end of the fifth telescopic rod.
In one embodiment, the fourth telescopic rod is foldably connected to the first rod, and the fifth telescopic rod is foldably connected to the first rod.
In one embodiment, the positioning assembly further includes a limiting seat fixedly disposed on the first rod, one side of the limiting seat is provided with a first branch top portion, and the other side of the limiting seat is provided with a second branch top portion; a first limiting block used for being abutted against the top of the first support is arranged at one end, far away from the first plate body, of the fourth telescopic rod; one end, far away from the second plate body, of the fifth telescopic rod is provided with a second limiting block which is used for being abutted to the top of the second support.
In one embodiment, the fourth telescopic rod comprises a fourth rod body and a fourth sleeve sleeved on the fourth rod body, the fourth sleeve is provided with a fourth fastening hole for fixing the fourth rod body, and the fourth rod body is provided with a fourth scale mark part; and/or the fifth telescopic rod comprises a fifth rod body and a fifth sleeve sleeved on the fifth rod body, the fifth sleeve is provided with a fifth fastening hole used for fixing the fifth rod body, and the fifth rod body is provided with a fifth scale identification part.
In one embodiment, the positioning device for the nuclear power station further comprises a horizontal bubble arranged on the first telescopic rod.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a positioning device for a nuclear power station in an expanded state according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a positioning device for a nuclear power station in a folded state according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a limiting seat according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fourth sleeve according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fifth sleeve according to an embodiment of the present invention;
fig. 6 is a schematic view of a use state of the positioning device for a nuclear power station according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10. a positioning device for a nuclear power station, 11, a bracket assembly, 111, a first telescopic rod, 1111, a first rod body, 1112, a first sleeve, 1113, a first fastening hole, 112, a second telescopic rod, 1121, a second rod body, 1122, a second sleeve, 1123, a second fastening hole, 113, a third telescopic rod, 1131, a third rod body, 1132, a third sleeve, 1133, a third fastening hole, 114, a connecting seat, 1141, a first seat, 1142, a second seat, 1143, a third seat, 12, a positioning assembly, 121, a first plate body, 122, a second plate body, 123, a fourth telescopic rod, 1231, a fourth rod body, 1232, a fourth sleeve, 1233, a fourth fastening hole, 1234, a first stopper, 124, a fifth telescopic rod, 1241, a fifth rod body, 1242, a fifth sleeve, 1243, a fifth fastening hole, 1244, a second stopper, 125, a stopper, 1251, a first fulcrum portion, 1252, a second fulcrum portion, 126, an indicating hole, 13. horizontal bubble, 20, pressure vessel, 21, insulating layer, 22, support ring, 221, reference point.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, a positioning device 10 for a nuclear power plant is used for mounting a neutron detector on a nuclear power pressure vessel 20, and includes a bracket assembly 11 and a positioning assembly 12, where the bracket assembly 11 includes a first telescopic rod 111 disposed along a vertical direction, a second telescopic rod 112 and a third telescopic rod 113 vertically connected to the first telescopic rod 111, respectively, and the positioning assembly 12 includes a positioning plate having an indication hole 126, and the positioning plate is connected to the first telescopic rod 111 in a manner of being movable relative to the second telescopic rod 112 and/or the third telescopic rod 113.
Specifically, please continue to refer to fig. 1, one end of the second telescopic rod 112 and one end of the third telescopic rod 113 are both connected to the fixed end of the first telescopic rod 111, and the positioning plate is connected to the movable end of the first telescopic rod 111, so that the positioning plate can move relative to the second telescopic rod 112 and/or the third telescopic rod 113; the second telescopic rod 112 extends in one direction, the third telescopic rod 113 extends in the other direction, and particularly, the second telescopic rod 112 and the third telescopic rod 113 extend in opposite directions, but of course, the second telescopic rod 112 and the third telescopic rod 113 may also be disposed at an included angle with each other on a horizontal plane.
Referring to fig. 6, when the positioning apparatus 10 for a nuclear power plant is used, an installer firstly adjusts the extension and contraction dimensions of the first telescopic rod 111, the second telescopic rod 112 and the third telescopic rod 113 outside the reactor core field according to the distance dimension between the reference points 221 on the support ring 22 of the pressure vessel 20 and the installation position dimension of the installation support obtained through measurement and calculation; after the adjustment is completed, an installer carries the positioning device 10 for the nuclear power plant to enter the core yard, and then places the second telescopic rod 112 and the third telescopic rod 113 between two adjacent reference points 221 on the support ring 22 of the pressure vessel 20, so that the end of the second telescopic rod 112 away from the first telescopic rod 111 is abutted against one reference point 221, and the end of the third telescopic rod 113 away from the first telescopic rod 111 is abutted against the other reference point 221; at this moment, the positioning plate is tightly attached to the wall surface of the heat insulation layer 21 of the pressure vessel 20, then the positioning plate penetrates through the indicating hole 126 to drill a mounting hole in the heat insulation layer 21, the mounting bracket is installed on the wall surface of the heat insulation layer 21 in a matched mode through a fastener and the mounting hole, and finally an installer installs the neutron detector on the mounting bracket, namely the installation of the neutron detector is completed. In the installation process, the positioning device 10 for the nuclear power station can be adjusted in size outside the reactor core field, so that the retention time of installation personnel in the reactor core field is effectively reduced, and the installation personnel are prevented from receiving excessive radiation; meanwhile, after entering the reactor core field, an installer can determine the installation position of the installation support by only placing the positioning device 10 for the nuclear power station at the corresponding position, so that the measurement positioning operation is avoided, the working efficiency is effectively improved, the retention time of the installer in the reactor core field is further reduced, and the installer is more effectively prevented from receiving excessive radiation; furthermore, the positioning device 10 for the nuclear power station determines the installation position of the installation support through a telescopic adjustment mode, and compared with a manual measurement mode, the adjustment precision is higher, so that the installation position precision of the installation support is effectively improved, namely the installation position precision of the neutron detector is improved.
In an embodiment, please refer to fig. 1 and 2, the second telescopic rod 112 is foldably connected to the first telescopic rod 111, and the third telescopic rod 113 is foldably connected to the first telescopic rod 111. Before an installer carries the positioning device 10 for the nuclear power plant to enter the reactor core field, the second telescopic rod 112 and the third telescopic rod 113 can be folded firstly, so that the positioning device 10 for the nuclear power plant can adapt to a narrow space in the reactor core field, the installer can more easily bring the positioning device 10 for the nuclear power plant into the reactor core field, the working efficiency is further improved, meanwhile, when the positioning device 10 for the nuclear power plant is not used, the second telescopic rod 112 and the third telescopic rod 113 can also be folded, and the storage space of the positioning device 10 for the nuclear power plant can be saved.
Specifically, as shown in fig. 1 and fig. 2, the bracket assembly 11 further includes a connecting seat 114, the first telescopic rod 111 is fixedly installed on the connecting seat 114, one end of the connecting seat 114 is rotatably connected to the second telescopic rod 112, so that the second telescopic rod 112 and the first telescopic rod 111 are folded, and the other end of the connecting seat is rotatably connected to the third telescopic rod 113, so that the third telescopic rod 113 and the first telescopic rod 111 are folded. Specifically, please continue to refer to fig. 2, the first telescopic rod 111 is fixedly installed on the connecting seat 114 along the vertical direction, and the second telescopic rod 112 and the third telescopic rod 113 both rotate along the vertical plane until they are close to the first telescopic rod 111, so as to complete the folding of the positioning device 10 for the nuclear power station.
Further, as shown in fig. 1, the connecting seat 114 includes a first seat 1141 and a second seat 1142, and the first seat 1141 is rotatably connected to the second seat 1142, so that the first seat 1141 and the second seat 1142 can rotate relatively along a horizontal plane. Because the wall surface of the heat insulation layer 21 of the pressure vessel 20 is mostly a curved surface, when the positioning device 10 for the nuclear power station is placed, the first seat 1141 or the second seat 1142 can be rotated, so that the second telescopic rod 112 and the third telescopic rod 113 are tangent to the wall surface of the heat insulation layer 21, the positioning device 10 for the nuclear power station is suitable for most of the pressure vessels 20, and the universality of the positioning device 10 for the nuclear power station is improved.
Further, please continue to refer to fig. 1, the connection seat 114 further includes a third seat 1143, the third seat 1143 is fixedly mounted on the first seat 1141 or the second seat 1142, and the first telescopic rod 111 is fixedly mounted on the third seat 1143 along the vertical direction.
In an embodiment, please refer to fig. 1, the first telescopic rod 111 includes a first rod 1111 and a first sleeve 1112 sleeved on the first rod 1111, the first sleeve 1112 is provided with a first fastening hole 1113 for fixing the first rod 1111, and the first rod 1111 is provided with a first scale mark portion (not shown); and/or the second telescopic rod 112 comprises a second rod body 1121 and a second sleeve 1122 sleeved on the second rod body 1121, the second sleeve 1122 is provided with a second fastening hole 1123 for fixing the second rod body 1121, and the second rod body 1121 is provided with a second scale mark part (not shown); and/or the third telescopic rod 113 comprises a third rod body 1131 and a third sleeve 1132 sleeved on the third rod body 1131, the third sleeve 1132 is provided with a third fastening hole 1133 for fixing the third rod body 1131, and the third rod body 1131 is provided with a third scale mark part (not shown). First scale identification portion is observed to installer accessible, second scale identification portion and third scale identification portion are respectively to first telescopic link 111, the flexible size of second telescopic link 112 and third telescopic link 113 is adjusted, it is more convenient to make the regulation operation, further improve work efficiency, accomplish and adjust the operation back, make first fastening hole 1113, second fastening hole 1123 and third fastening hole 1133 cooperate with a fastener respectively, thereby with first body of rod 1111, the locking of second body of rod 1121 and the third body of rod 1131, avoid first body of rod 1111, the aversion takes place for second body of rod 1121 and the third body of rod 1131, thereby guarantee the positioning accuracy of positioner 10 for the nuclear power station.
In particular, the fastening member may be selected from a screw, a bolt, and the like.
In an embodiment, please refer to fig. 1, the positioning assembly 12 further includes a fourth telescopic rod 123 and a fifth telescopic rod 124 respectively connected to the first rod 1111 vertically, the positioning plate includes a first plate 121 and a second plate 122, the first plate 121 is connected to the movable end of the fourth telescopic rod 123, and the second plate 122 is connected to the movable end of the fifth telescopic rod 124. Specifically, the first rod 1111 is connected to a fixed end of the fourth telescopic rod 123, so that the first plate 121 can move relative to the first rod 1111; meanwhile, the first rod 1111 is also connected to the fixed end of the fifth telescopic rod 124, so that the second plate 122 can move relative to the first rod 1111. When an obstacle appears at a preset mounting position of the mounting bracket, an installer can operate the fourth telescopic rod 123 or the fifth telescopic rod 124 to move the first plate body 121 or the second plate body 122, so that the first plate body 121 or the second plate body 122 avoids the obstacle, the mounting position of the mounting bracket is determined again, meanwhile, the installer measures and obtains the movement amount of the first plate body 121 or the second plate body 122, and when the neutron detector is mounted on the mounting bracket, the mounting position of the neutron detector on the mounting bracket can be adjusted according to the movement amount, so that the mounting position of the neutron detector is ensured to be unchanged.
In an embodiment, please refer to fig. 1 and 2, the fourth telescopic rod 123 is foldably connected to the first rod 1111, and the fifth telescopic rod 124 is foldably connected to the first rod 1111. Before an installer carries the positioning device 10 for a nuclear power plant to enter the reactor core field, the fourth telescopic rod 123 and the fifth telescopic rod 124 can be folded, so that the positioning device 10 for the nuclear power plant can adapt to a narrow space in the reactor core field, the installer can more easily bring the positioning device 10 for the nuclear power plant into the reactor core field, the working efficiency is further improved, and meanwhile, when the positioning device 10 for the nuclear power plant is not used, the fourth telescopic rod 123 and the fifth telescopic rod 124 can also be folded, so that the storage space of the positioning device 10 for the nuclear power plant can be saved.
In combination with the foregoing embodiment, as shown in fig. 2, before the installer carries the positioning device 10 for a nuclear power plant into the core yard, the second telescopic rod 112, the third telescopic rod 113, the fourth telescopic rod 123, and the fifth telescopic rod 124 may be folded at the same time, so that the positioning device 10 for a nuclear power plant is adapted to a narrow space in the core yard, and the installer may more easily bring the positioning device 10 for a nuclear power plant into the core yard, thereby further improving the work efficiency, and at the same time, when the positioning device 10 for a nuclear power plant is not used, the second telescopic rod 112, the third telescopic rod 113, the fourth telescopic rod 123, and the fifth telescopic rod 124 may be folded at the same time, thereby saving the storage space of the positioning device 10 for a nuclear power plant.
Further, as shown in fig. 1, fig. 3, fig. 4 and fig. 5, the positioning assembly 12 further includes a limiting seat 125 fixedly disposed on the first telescopic rod 111, one side of the limiting seat 125 is provided with a first supporting top 1251, and the other side is provided with a second supporting top 1252; a first limit block 1234 used for abutting against the first supporting top portion 1251 is arranged at one end, away from the first plate body 121, of the fourth telescopic rod 123, so as to keep the fourth telescopic rod 123 perpendicular to the first telescopic rod 111; a second limiting block 1244 for abutting against the second supporting top 1252 is disposed at an end of the fifth telescopic rod 124 away from the second plate 122, so as to keep the fifth telescopic rod 124 and the first telescopic rod 111 perpendicular to each other. Specifically, one end of the fourth telescopic rod 123 far away from the first board 121 is rotatably connected to the first telescopic rod 111, and one end of the fifth telescopic rod 124 far away from the second board 122 is rotatably connected to the first telescopic rod 111. When the positioning device 10 for the nuclear power station is used, the fourth telescopic rod 123 and the fifth telescopic rod 124 are rotated, so that the fourth telescopic rod 123 and the fifth telescopic rod 124 are switched from the folded state to the unfolded state, at this time, the first limit block 1234 is abutted to the first supporting top 1251, the fourth telescopic rod 123 and the first telescopic rod 111 are kept perpendicular to each other, the second limit block 1244 is abutted to the second supporting top 1252, the fifth telescopic rod 124 and the first telescopic rod 111 are kept perpendicular to each other, the fourth telescopic rod 123 and the fifth telescopic rod 124 are effectively prevented from shifting, and therefore the positioning accuracy of the positioning device 10 for the nuclear power station is ensured.
Further, referring to fig. 1, the fourth telescopic rod 123 includes a fourth rod 1231 and a fourth sleeve 1232 sleeved on the fourth rod 1231, the fourth sleeve 1232 is provided with a fourth fastening hole 1233 for fixing the fourth rod 1231, and the fourth rod 1231 is provided with a fourth scale mark portion (not shown); and/or, the fifth telescopic rod 124 includes a fifth rod body 1241 and a fifth sleeve 1242 sleeved on the fifth rod body 1241, the fifth sleeve 1242 is provided with a fifth fastening hole 1243 for fixing the fifth rod body 1241, and the fifth rod body 1241 is provided with a fifth scale mark part (not shown). Installer is behind operation fourth telescopic link 123 and fifth telescopic link 124, the accessible is observed fourth scale identification portion and fifth scale identification portion and is obtained the amount of movement of first plate body 121 and second plate body 122, the trouble of artifical measurement has been avoided, it is more convenient to make the operation, further improve work efficiency, accomplish flexible operation back, make fourth fastening hole 1233 and fifth fastening hole 1243 cooperate with a fastener respectively, thereby lock fourth rod 1231 and the fifth body of rod 1241, avoid fourth rod 1231 and the fifth body of rod 1241 to take place the aversion, thereby guarantee the positioning accuracy of positioner 10 for the nuclear power station.
In particular, the fastening member may be selected from a screw, a bolt, and the like.
In an embodiment, please refer to fig. 1, the positioning device 10 for a nuclear power plant further includes a horizontal bubble 13 disposed on the first telescopic rod 111. After the positioning device 10 for the nuclear power station is placed by an installer, the horizontal bubble 13 can be observed, if the horizontal bubble 13 is not horizontal, the position of the positioning device 10 for the nuclear power station can be finely adjusted until the horizontal bubble 13 displays a horizontal state, so that the first telescopic rod 111 is vertical, and the positioning accuracy of the positioning device 10 for the nuclear power station is further improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a positioner for nuclear power station for install neutron detector on nuclear power pressure vessel, its characterized in that: including bracket component and locating component, the bracket component include along the first telescopic link of vertical direction setting, respectively with second telescopic link and the third telescopic link of first telescopic link vertical connection, locating component is including being equipped with the locating plate of instructing the hole, the locating plate can with the second telescopic link and/or the third telescopic link relative movement ground connect in on the first telescopic link.
2. The positioning device for nuclear power plant according to claim 1, characterized in that: the second telescopic rod is foldably connected with the first telescopic rod, and the third telescopic rod is foldably connected with the first telescopic rod.
3. The positioning device for nuclear power plant according to claim 2, characterized in that: the bracket component further comprises a connecting seat, the first telescopic rod is fixedly arranged on the connecting seat, one end of the connecting seat is rotatably connected with the second telescopic rod, so that the second telescopic rod and the first telescopic rod are mutually folded, and the other end of the connecting seat is rotatably connected with the third telescopic rod, so that the third telescopic rod and the first telescopic rod are mutually folded.
4. The positioning device for nuclear power plant according to claim 3, characterized in that: the connecting seat comprises a first seat body and a second seat body, wherein the first seat body is rotatably connected with the second seat body so that the first seat body and the second seat body can relatively rotate along a horizontal plane.
5. The positioning device for nuclear power plant according to claim 1, characterized in that: the first telescopic rod comprises a first rod body and a first sleeve sleeved on the first rod body, the first sleeve is provided with a first fastening hole for fixing the first rod body, and the first rod body is provided with a first scale identification part; and/or the second telescopic rod comprises a second rod body and a second sleeve sleeved on the second rod body, the second sleeve is provided with a second fastening hole for fixing the second rod body, and the second rod body is provided with a second scale identification part; and/or the third telescopic rod comprises a third rod body and a third sleeve sleeved on the third rod body, the third sleeve is provided with a third fastening hole used for fixing the third rod body, and a third scale mark part is arranged on the third rod body.
6. The positioning device for nuclear power plant according to claim 5, characterized in that: the positioning assembly further comprises a fourth telescopic rod and a fifth telescopic rod which are vertically connected with the first rod body respectively, the positioning plate comprises a first plate body and a second plate body, the first plate body is connected with the movable end of the fourth telescopic rod, and the second plate body is connected with the movable end of the fifth telescopic rod.
7. The positioning device for nuclear power plant according to claim 6, characterized in that: the fourth telescopic rod is connected with the first rod body in a foldable mode, and the fifth telescopic rod is connected with the first rod body in a foldable mode.
8. The positioning device for nuclear power plant according to claim 7, characterized in that: the positioning assembly further comprises a limiting seat fixedly arranged on the first rod body, and one side of the limiting seat is provided with a first branch top part and the other side of the limiting seat is provided with a second branch top part; a first limiting block used for being abutted against the top of the first support is arranged at one end, far away from the first plate body, of the fourth telescopic rod; one end, far away from the second plate body, of the fifth telescopic rod is provided with a second limiting block which is used for being abutted to the top of the second support.
9. The positioning device for nuclear power plant according to claim 6, characterized in that: the fourth telescopic rod comprises a fourth rod body and a fourth sleeve sleeved on the fourth rod body, the fourth sleeve is provided with a fourth fastening hole used for fixing the fourth rod body, and the fourth rod body is provided with a fourth scale identification part; and/or the fifth telescopic rod comprises a fifth rod body and a fifth sleeve sleeved on the fifth rod body, the fifth sleeve is provided with a fifth fastening hole used for fixing the fifth rod body, and the fifth rod body is provided with a fifth scale identification part.
10. The positioning device for nuclear power plant according to any one of claims 1 to 9, characterized in that: the positioning device further comprises a horizontal bubble arranged on the first telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922010362.XU CN211628711U (en) | 2019-11-19 | 2019-11-19 | Positioning device for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922010362.XU CN211628711U (en) | 2019-11-19 | 2019-11-19 | Positioning device for nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211628711U true CN211628711U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922010362.XU Active CN211628711U (en) | 2019-11-19 | 2019-11-19 | Positioning device for nuclear power station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029388A (en) * | 2021-02-24 | 2021-06-25 | 中国核动力研究设计院 | Positioning device capable of improving positioning precision of reactor core detector assembly sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029388A (en) * | 2021-02-24 | 2021-06-25 | 中国核动力研究设计院 | Positioning device capable of improving positioning precision of reactor core detector assembly sensor |
| CN113029388B (en) * | 2021-02-24 | 2022-03-25 | 中国核动力研究设计院 | Positioning device capable of improving positioning precision of reactor core detector assembly sensor |
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