CN212553625U - Installation guiding tool for built-in control rod drive wire spring box - Google Patents
Installation guiding tool for built-in control rod drive wire spring box Download PDFInfo
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- CN212553625U CN212553625U CN202021831815.1U CN202021831815U CN212553625U CN 212553625 U CN212553625 U CN 212553625U CN 202021831815 U CN202021831815 U CN 202021831815U CN 212553625 U CN212553625 U CN 212553625U
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Abstract
The utility model relates to an installation guiding tool technical field especially relates to a built-in control rod drive wire spring case installation guiding tool. The built-in control rod drive wire spring box installation guide tool comprises a guide tool upper section and a guide tool lower section, wherein the guide tool upper section comprises an upper guide pipe; the lower section of the guide tool comprises a lower guide pipe, an adapter and a connecting pipe, wherein the lower guide pipe, the adapter and the connecting pipe are sequentially connected; the upper guide pipe is detachably connected with the lower guide pipe. The built-in control rod drive wire spring box installation guiding tool can solve the problem of remote hole recognition between a buffer lock center hole and a rod position measuring rod in a cross wing control rod assembly in the spring box installation process, simultaneously realizes the hole recognition function under the condition of limited space, has a simple structure, is convenient to operate, and improves the spring box installation efficiency.
Description
Technical Field
The utility model relates to an installation guiding tool technical field especially relates to a built-in control rod drive wire spring case installation guiding tool.
Background
When the built-in control rod drive wire is installed, the spring box needs to be installed, and the buffer lock penetrates through the rod position measuring rod of the cross wing control rod assembly to reach the position of the drive shaft of the cross wing control rod assembly. However, the prior art has no special installation guide tool, and the problem of remote hole recognition between the center hole of the buffer lock and the rod position measuring rod of the cross wing control rod assembly in the installation process of the spring box is difficult to solve, so that the spring box is inconvenient to install, and the installation efficiency of the built-in control rod drive wire is influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing a built-in control rod drive wire spring case installation guiding tool can solve the remote hole problem of recognising between the centre bore of buffering lock and the excellent position measuring stick of cross wing control rod subassembly in the spring case installation.
(II) technical scheme
In order to solve the technical problem, the utility model provides a built-in type control rod drive wire spring box installation guiding tool, which comprises an upper guiding tool section and a lower guiding tool section, wherein the upper guiding tool section comprises an upper guiding pipe; the lower section of the guide tool comprises a lower guide pipe, an adapter and a connecting pipe, wherein the lower guide pipe, the adapter and the connecting pipe are sequentially connected; the upper guide pipe is detachably connected with the lower guide pipe.
Further, the guiding tool upper section also comprises a hanging ring, and the hanging ring is fixedly connected with the first end of the upper guide pipe.
Further, the guiding tool upper section further comprises a connecting nut, and the connecting nut is fixedly connected with the second end of the upper guide pipe; the outer peripheral surface of the connecting nut is circular, and the outer diameter of the connecting nut is equal to that of the upper guide pipe.
Further, the lower section of the guiding tool further comprises a connecting bolt, and the connecting bolt is fixedly connected with the first end of the lower guide pipe; the connecting bolt can be in threaded connection with the connecting nut.
The connecting bolt comprises a threaded connecting part, an intermediate connecting part, a bolt head part and a fixed connecting part which are sequentially connected from top to bottom, wherein the threaded connecting part is provided with an external thread matched with the connecting nut, and the external diameter of the threaded connecting part is smaller than that of the intermediate connecting part; the fixed connecting part is arranged in the lower guide pipe and is fixedly connected with the lower guide pipe; the bolt head is disposed outside the downcomer.
Specifically, the outer peripheral surface of the bolt head is circular, and the outer diameter of the bolt head is equal to the outer diameter of the lower guide pipe; the outer diameter of the intermediate connecting part is equal to the outer diameter of the bolt head.
Specifically, the adapter comprises a first connecting part, a second connecting part and a third connecting part which are sequentially connected from top to bottom, the first connecting part is arranged inside the lower guide pipe, and the first connecting part is fixedly connected with the lower guide pipe; the second connecting part is arranged between the lower guide pipe and the connecting pipe, and the outer diameter of the second connecting part is larger than that of the lower guide pipe; the third connecting part is arranged inside the connecting pipe and is fixedly connected with the connecting pipe; the outer diameter of the second connecting portion is larger than that of the third connecting portion, and the outer diameter of the third connecting portion is larger than that of the first connecting portion.
Specifically, the connecting pipe is an equal-diameter pipe, and the outer diameter of the connecting pipe is equal to the outer diameter of the second connecting part.
Specifically, the upper guide pipe and the lower guide pipe are both equal-diameter pipes, and the outer diameter of the upper guide pipe is equal to that of the lower guide pipe.
Furthermore, the lower guide pipe is provided with a plurality of guide pipe through hole assemblies, each guide pipe through hole assembly is sequentially arranged at intervals along the extending direction of the lower guide pipe, each guide pipe through hole assembly comprises two guide pipe through holes, the two guide pipe through holes are formed in two opposite sides of the lower guide pipe, the axes of the two guide pipe through holes are overlapped, and the axis of each guide pipe through hole is perpendicular to the axis of the lower guide pipe.
(III) advantageous effects
The above technical scheme of the utility model has following advantage:
the utility model provides a built-in control rod drive wire spring box installation guiding tool, including guiding tool upper segment and guiding tool hypomere, when using, the last pipe in the guiding tool upper segment is connected with the lower catheter in the guiding tool hypomere, be connected the connecting pipe in the guiding tool hypomere and the stick position measuring stick upper end in the cross wing control stick subassembly again, then establish the buffering lock sleeve on last pipe, make the buffering lock pass the guiding tool upper segment in proper order, stick position measuring stick in guiding tool hypomere and cross wing control stick subassembly, finally reach the drive shaft position department in the cross wing control stick subassembly, wherein can dismantle the last pipe in the guiding tool upper segment and the lower catheter in the guiding tool hypomere and be connected, the installation operation of not only being convenient for, and can increase the whole length of installation guiding tool when using, be convenient for realize under the finite space condition between the centre bore of buffering lock and the stick position measuring stick in the cross wing control stick subassembly in the spring box installation The remote hole recognition requirement. Therefore, the utility model provides a built-in control rod drive wire spring case installation guiding tool can satisfy the remote hole problem of recognising between the excellent position measuring stick in buffering lock centre bore and the cross wing control rod subassembly in the spring case installation, has realized recognising the hole function under the finite space condition simultaneously, simple structure, and convenient operation has improved spring case installation effectiveness.
Drawings
FIG. 1 is a schematic structural diagram of a built-in control rod drive wire spring box installation guide tool according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection of the upper duct and the lower duct according to the embodiment of the present invention;
FIG. 3 is a schematic structural view of a lower section of a guiding tool according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a first state of an embodiment of the present invention when the built-in control rod drive wire spring box is installed and guided in use;
FIG. 5 is a schematic diagram of a second state of the built-in control rod drive wire spring box installation guide tool of the embodiment of the present invention in use;
FIG. 6 is a schematic view of a third state of the built-in control rod drive wire spring box of the embodiment of the present invention during installation and guiding of the tool;
fig. 7 is a schematic diagram of a fourth state of the built-in control rod drive wire spring box installation guiding tool according to the embodiment of the present invention.
In the figure: 1: an upper duct; 2: a lower conduit; 201: a conduit through hole; 3: an adapter; 301: a first connection portion; 302: a second connecting portion; 303: a third connecting portion; 4: a connecting pipe; 5: a hoisting ring; 6: a connecting nut; 7: a connecting bolt; 701: a threaded connection; 702: an intermediate connecting portion; 703: a bolt head; 704: a fixed connection part; 8: a rod position measuring rod; 9: a buffer lock; 10: installing a guide tool; 11: a drive shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the embodiment of the utility model provides a built-in control rod drive wire spring box installation guiding tool, including guiding tool upper segment and guiding tool hypomere, the guiding tool upper segment includes upper guide pipe 1, and the guiding tool hypomere includes downcomer 2, adapter 3 and connecting pipe 4, and downcomer 2, adapter 3 and connecting pipe 4 connect gradually. Wherein, the upper conduit 1 and the lower conduit 2 are detachably connected.
Wherein, connecting pipe 4 is arranged in being connected with stick position measuring stick 8 in the cross wing control stick subassembly, adapter 3 is used for realizing being connected between the downcomer 2 and the connecting pipe 4 of different diameters, go up and to dismantle between pipe 1 and the downcomer 2 and be connected, not only conveniently install and remove the use, and will go up pipe 1 and be connected the back with downcomer 2, can effectively increase the whole length of this installation guiding tool, and then be convenient for realize under the finite space condition the long distance of the stick position measuring stick 8 among the centre bore of buffering lock 9 and the cross wing control stick subassembly in the spring box installation.
Therefore, the embodiment of the utility model provides a built-in control rod drive wire spring case installation guiding tool can satisfy the remote hole problem of recognising between the centre bore of buffer lock 9 and the stick position measuring stick 8 in the cross wing control rod subassembly in the spring case installation, has realized recognising the hole function under the finite space condition simultaneously, simple structure, and convenient operation has improved spring case installation effectiveness.
Specifically, the detachable connection between the upper conduit 1 and the lower conduit 2 may be set according to actual use requirements, for example, a threaded connection, a spline connection, or a hook connection may be adopted. In this embodiment, the upper duct 1 and the lower duct 2 are connected by a screw thread, so that the operation is more convenient.
In a further embodiment of the present invention, the guiding tool upper section further comprises a hanging ring 5, and the hanging ring 5 is fixedly connected with the upper end of the upper guiding pipe 1. When the spring box is installed in a limited space, the lifting ring 5 is used for penetrating a safety rope, so that the end head of the safety rope is arranged outside the limited space for positioning, and the upper guide pipe 1 is prevented from falling into a reactor core of the built-in control rod driving wire in the installation process.
The hanging ring 5 is annular, the outer diameter of the hanging ring 5 is smaller than or equal to that of the upper guide pipe 1, and therefore installation operation of the upper section of the guide tool in a limited space is facilitated.
In a further embodiment of the present invention, the guiding tool upper section further comprises a coupling nut 6, the coupling nut 6 being fixedly connected to the lower end of the upper guide tube 1. By arranging the connecting nut 6, the threaded fit between the upper guide pipe 1 and the lower guide pipe 2 is convenient to realize.
Wherein, the outer peripheral surface of the connecting nut 6 is circular, and the outer diameter of the connecting nut 6 is equal to the outer diameter of the upper guide pipe 1, so that the outer diameter of the upper section of the guiding tool is kept consistent as a whole, and the upper section of the guiding tool is convenient to install in a limited space.
In a further embodiment of the invention, the guiding means lower section further comprises a connecting bolt 7, which connecting bolt 7 is fixedly connected with the upper end of the downcomer 2, wherein the connecting bolt 7 can be in threaded connection with the connecting nut 6. That is, the upper guide pipe 1 and the lower guide pipe 2 are detachably assembled by arranging the coupling nut 6 and the coupling bolt 7 which are engaged with each other.
Specifically, the connecting bolt 7 includes a threaded connecting portion 701, an intermediate connecting portion 702, a bolt head portion 703, and a fixed connecting portion 704 connected in this order from top to bottom. The threaded connection part 701 is provided with an external thread matched with the connecting nut 6, and the outer diameter of the threaded connection part 701 is smaller than that of the intermediate connection part 702, so that when the connecting nut 6 is in threaded connection with the connecting bolt 7, the rotating position of the connecting nut 6 on the connecting bolt 7 can be limited through the intermediate connection part 702.
Wherein the fixed connection part 704 is disposed inside the downcomer 2, and the fixed connection part 704 is fixedly connected with the downcomer 2, thereby realizing the fixed mounting between the connecting bolt 7 and the downcomer 2.
The bolt head 703 is arranged outside the downcomer 2, and the bolt head 703 is used for facilitating the operation of threaded connection between the connecting nut 6 and the connecting bolt 7.
Specifically, the outer circumferential surface of the bolt head 703 is circular, and the outer diameter of the bolt head 703 is equal to the outer diameter of the downcomer 2. The outer diameter of the intermediate connecting portion 702 is equal to the outer diameter of the bolt head 703. That is, the outer diameters of the intermediate connection part 702, the bolt head 703 and the fixing connection part 704 are all the same as the outer diameter of the downcomer 2, which facilitates the installation operation of the lower section of the guide tool in a limited space.
In the embodiment of the present invention, the adapter 3 includes a first connecting portion 301, a second connecting portion 302 and a third connecting portion 303 which are connected in sequence from top to bottom, wherein the first connecting portion 301 is disposed inside the lower pipe 2, and the first connecting portion 301 is fixedly connected to the lower pipe 2, so as to realize the fixed mounting between the adapter 3 and the lower pipe 2.
Wherein, the third connecting portion 303 is disposed inside the connecting pipe 4, and the third connecting portion 303 is fixedly connected to the connecting pipe 4, thereby realizing the fixed mounting between the adapter 3 and the connecting pipe 4.
Wherein the second connecting portion 302 is disposed between the downcomer 2 and the connecting pipe 4, the outer diameter of the second connecting portion 302 is greater than the outer diameter of the downcomer 2, and the outer diameter of the second connecting portion 302 is greater than the outer diameter of the third connecting portion 303, and the outer diameter of the third connecting portion 303 is greater than the outer diameter of the first connecting portion 301. That is, by this arrangement of the second connection portion 302, the transitional connection between the downcomers 2 and the connecting pipe 4 having different diameters is facilitated.
In the embodiment of the present invention, the connecting pipe 4 is a constant diameter pipe, and the outer diameter of the connecting pipe 4 is equal to the outer diameter of the second connecting portion 302. That is, the second connecting portion 302 corresponds to the outer diameter of the connecting pipe 4, so that the connecting pipe 4 can be conveniently positioned when being installed on the adapter 3.
Wherein, the internal diameter or the external diameter of connecting pipe 4 need with stick position measuring stick 8's external diameter or internal diameter looks adaptation to be convenient for realize the grafting assembly between connecting pipe 4 and the stick position measuring stick 8.
In the embodiment of the present invention, the upper duct 1 and the lower duct 2 are equal diameter pipes, and the outer diameter of the upper duct 1 is equal to the outer diameter of the lower duct 2. That is, the outer diameter of the upper guide pipe 1 is identical to the outer diameter of the lower guide pipe 2, so that the installation operation of the whole installation guide tool formed after the upper guide pipe 1 and the lower guide pipe 2 are connected by screw threads can be conveniently carried out in a limited space.
In the utility model discloses a further embodiment, downcomer 2 is equipped with a plurality of pipe through-hole subassemblies, and each pipe through-hole subassembly sets up along downcomer 2's extending direction interval in proper order, and each pipe through-hole subassembly all includes two pipe through-holes 201, and two pipe through-holes 201 set up in downcomer 2's relative both sides, and the axis coincidence of two pipe through-holes 201, and the axis of each pipe through-hole 201 all is mutually perpendicular with downcomer 2's axis. When the spring box is installed in a limited space, the guide pipe through hole assembly is used for penetrating a safety rope, and after the safety rope sequentially penetrates through the two guide pipe through holes 201 of the guide pipe through hole assembly, the end of the safety rope is arranged outside the limited space to be positioned, so that the lower guide pipe 2 is prevented from falling into a reactor core of the built-in control rod driving wire in the installation process.
As shown in fig. 4 to 7, the use process of the installation guiding tool for the built-in control rod drive wire spring box according to the embodiment of the present invention is as follows:
the upper pipe 1 is first screwed to the lower pipe 2 to form the complete installation guide tool 10.
And then the installation guide tool 10 extends downwards into the limited installation space of the built-in control rod drive wire, so that the connecting pipe 4 in the lower section of the guide tool is spliced with the upper end of the rod position measuring rod 8 in the cross wing control rod assembly.
Then, the buffer lock 9 is sleeved on the upper guide pipe 1 from the upper end of the upper guide pipe 1, so that the buffer lock 9 can slide downwards along the upper guide pipe 1, and then the buffer lock 9 can sequentially pass through the upper guide tool section, the lower guide tool section and the rod position measuring rod 8 of the cross wing control rod assembly, and finally reaches the position of the driving shaft 11 of the cross wing control rod assembly.
To sum up, the embodiment of the utility model provides a built-in control rod drive wire spring case installation guiding tool, can satisfy the remote hole problem of recognising between the centre bore of buffer lock 9 and the stick position measuring stick 8 in the cross wing control rod subassembly in the spring case installation, realized recognising the hole function under the finite space condition simultaneously, simple structure, convenient operation has improved spring case installation effectiveness.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., 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; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a built-in control rod drive wire spring box installation guiding tool which characterized in that: comprises an upper guiding tool section and a lower guiding tool section, wherein the upper guiding tool section comprises an upper guide pipe; the lower section of the guide tool comprises a lower guide pipe, an adapter and a connecting pipe, wherein the lower guide pipe, the adapter and the connecting pipe are sequentially connected; the upper guide pipe is detachably connected with the lower guide pipe.
2. The built-in control rod drive wire spring box installation guide tool of claim 1, wherein: the guide tool upper section also comprises a hanging ring, and the hanging ring is fixedly connected with the first end of the upper guide pipe.
3. The built-in control rod drive wire spring box installation guide tool of claim 1, wherein: the upper section of the guiding tool also comprises a connecting nut which is fixedly connected with the second end of the upper guide pipe; the outer peripheral surface of the connecting nut is circular, and the outer diameter of the connecting nut is equal to that of the upper guide pipe.
4. The built-in control rod drive wire spring box installation guide tool of claim 3, wherein: the lower section of the guiding tool also comprises a connecting bolt which is fixedly connected with the first end of the lower guide pipe; the connecting bolt can be in threaded connection with the connecting nut.
5. The built-in control rod drive wire spring box installation guide tool of claim 4, wherein: the connecting bolt comprises a threaded connecting part, a middle connecting part, a bolt head part and a fixed connecting part which are sequentially connected from top to bottom, the threaded connecting part is provided with an external thread matched with the connecting nut, and the external diameter of the threaded connecting part is smaller than that of the middle connecting part; the fixed connecting part is arranged in the lower guide pipe and is fixedly connected with the lower guide pipe; the bolt head is disposed outside the downcomer.
6. The built-in control rod drive wire spring box installation guide tool of claim 5, wherein: the outer peripheral surface of the bolt head is circular, and the outer diameter of the bolt head is equal to that of the lower guide pipe; the outer diameter of the intermediate connecting part is equal to the outer diameter of the bolt head.
7. The built-in control rod drive wire spring box installation guide tool of claim 1, wherein: the adapter comprises a first connecting part, a second connecting part and a third connecting part which are sequentially connected from top to bottom, wherein the first connecting part is arranged inside the lower guide pipe and is fixedly connected with the lower guide pipe; the second connecting part is arranged between the lower guide pipe and the connecting pipe, and the outer diameter of the second connecting part is larger than that of the lower guide pipe; the third connecting part is arranged inside the connecting pipe and is fixedly connected with the connecting pipe; the outer diameter of the second connecting portion is larger than that of the third connecting portion, and the outer diameter of the third connecting portion is larger than that of the first connecting portion.
8. The built-in control rod drive wire spring box installation guide tool of claim 7, wherein: the connecting pipe is an equal-diameter pipe, and the outer diameter of the connecting pipe is equal to that of the second connecting part.
9. The built-in control rod drive wire spring box installation guide tool of any one of claims 1 to 8, wherein: the upper guide pipe and the lower guide pipe are equal-diameter pipes, and the outer diameter of the upper guide pipe is equal to that of the lower guide pipe.
10. The built-in control rod drive wire spring box installation guide tool of any one of claims 1 to 8, wherein: the lower guide pipe is provided with a plurality of guide pipe through hole assemblies, each guide pipe through hole assembly is arranged along the extending direction of the lower guide pipe at intervals in sequence, each guide pipe through hole assembly comprises two guide pipe through holes, the two guide pipe through holes are arranged on two opposite sides of the lower guide pipe, the axes of the guide pipe through holes are overlapped, and the axes of the guide pipe through holes are perpendicular to the axis of the lower guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021831815.1U CN212553625U (en) | 2020-08-27 | 2020-08-27 | Installation guiding tool for built-in control rod drive wire spring box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021831815.1U CN212553625U (en) | 2020-08-27 | 2020-08-27 | Installation guiding tool for built-in control rod drive wire spring box |
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| Publication Number | Publication Date |
|---|---|
| CN212553625U true CN212553625U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021831815.1U Active CN212553625U (en) | 2020-08-27 | 2020-08-27 | Installation guiding tool for built-in control rod drive wire spring box |
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| Country | Link |
|---|---|
| CN (1) | CN212553625U (en) |
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- 2020-08-27 CN CN202021831815.1U patent/CN212553625U/en active Active
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