CN218226455U

CN218226455U - Special tool for disassembling and assembling high-temperature gas cooled reactor main helium fan main bolt stretching measurement base block

Info

Publication number: CN218226455U
Application number: CN202222245805.5U
Authority: CN
Inventors: 张振; 鲍学斌; 王震; 赵松雷; 盛恒
Original assignee: Huaneng Shandong Shidaobay Nuclear Power Co Ltd
Current assignee: Huaneng Shandong Shidaobay Nuclear Power Co Ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-01-06
Anticipated expiration: 2032-08-25

Abstract

The utility model provides a special tool for disassembling and assembling a high-temperature gas cooled reactor main helium fan main bolt stretching measurement base block, which comprises a fastening ring and a fastening bolt; the inner part of the fastening ring is hollow to form a fixing hole for the measurement base block to penetrate through, and two opposite sides of the outer surface of the fastening ring are respectively provided with a clamping plane; the fastening ring is provided with a connecting hole penetrating through the inner surface and the outer surface of the fastening ring, and the hole wall of the connecting hole is provided with an internal thread; the fastening bolt is provided with an external thread matched with the internal thread, and the fastening bolt is in threaded connection with the fastening ring and abuts against the measuring base block penetrating into the fixing hole. The utility model discloses a technological effect lies in, structural design is reasonable, not only is convenient for realize the installation and the dismantlement of high temperature gas cooled reactor helium circulator king bolt tensile measurement base block, also is convenient for beat moment, easy operation to measuring the base block.

Description

Special tool for disassembling and assembling main bolt tensile measurement base block of high-temperature gas cooled reactor main helium fan

Technical Field

The utility model belongs to the technical field of the nuclear power, concretely relates to tensile measurement base block dismouting specialized tool of high temperature gas cooled reactor main helium fan kingbolt.

Background

In the process of installing the main bolt of the high-temperature gas cooled reactor main helium fan, a bolt stretching tool is required to stretch the main bolt. In order to measure the elongation of the main bolt, a stretching measurement base block is arranged at the top of the main bolt, a stretching measurement rod connected with the measurement base block is arranged inside the main bolt, and the stretching length of the main bolt is measured through the stretching measurement rod.

Because it is cylindrical to measure the base block, it passes through the screw fastening at the kingbolt top to have certain requirement to fastening torque, this results in measuring the base block every dismouting very inconvenient, still can't directly use the open torque spanner to beat the moment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, provide a high temperature gas cooled reactor helium circulator king bolt tensile measurement base block dismouting specialized tool's new technical scheme.

According to one aspect of the application, a special tool for disassembling and assembling a high-temperature gas cooled reactor main helium fan main bolt tensile measurement base block is provided, and comprises:

the inner part of the fastening ring is hollow to form a fixing hole for the measurement base block to penetrate through, and two opposite sides of the outer surface of the fastening ring are respectively provided with a clamping plane; the fastening ring is provided with a connecting hole penetrating through the inner surface and the outer surface of the fastening ring, and the hole wall of the connecting hole is provided with an internal thread;

and the fastening bolt is provided with an external thread matched with the internal thread, is in threaded connection with the fastening ring and is used for abutting against the measuring base block penetrating into the fixing hole.

Optionally, the fixing hole is a cylindrical hole.

Optionally, the diameter of the fixing hole is the same as the diameter of the measurement base block.

Optionally, the clamping planes on opposite sides of the outer surface of the fastening ring are parallel to each other.

Optionally, the portion of the fastening ring connected between the two clamping planes is curved.

Optionally, the connection hole is located in the middle of the curved surface between the two clamping planes.

Optionally, the clamping plane extends from an upper end to a lower end of the outer surface of the fastening ring.

Optionally, the depth of the fixing hole is smaller than the height of the measurement base block.

One technical effect of this application lies in:

in the embodiment of the application, the fastening ring is hollow inside to form a fixing hole for the measurement base block to penetrate through, and two opposite sides of the outer surface of the fastening ring are respectively provided with a clamping plane; the tighrening ring is provided with the connecting hole that runs through the inside and outside surface of tighrening ring, is provided with the internal thread on the pore wall of connecting hole, and fastening bolt supports with tighrening ring threaded connection and presses the locking to wearing the measurement base block of establishing in the fixed orifices.

Therefore, when the measuring base block is disassembled, the fastening ring is fixed on the measuring base block only through the fastening bolt, and the disassembling of the measuring base block is realized through the matching of the open end wrench and the two clamping planes, so that the operation is very convenient. Similarly, the measurement base block is installed and fixed on the top of the main bolt through the matching of the open spanner and the two clamping planes.

In addition, through the cooperation of open torque spanner and two clamping plane, realize beating moment to measuring the base block, easy operation.

Drawings

FIG. 1 is a schematic structural view of a conventional measurement base block mounted on a main bolt;

fig. 2 is a schematic structural diagram of a special tool for disassembling and assembling a main bolt tension measurement base block of a helium circulator of a high temperature gas cooled reactor according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a special tool for disassembling and assembling a high temperature gas cooled reactor main helium fan main bolt tension measurement base block and a measurement base block according to an embodiment of the present invention.

In the figure: 1. a fastening ring; 101. a fixing hole; 102. clamping a plane; 2. fastening a bolt; 3. measuring the base block; 4. a main bolt.

Detailed Description

Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.

Reference will now be made in detail to embodiments of the present application, 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 only for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present application, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1 to 3, the embodiment of the present application provides a special tool for disassembling and assembling a high temperature gas cooled reactor main helium fan main bolt 4 tensile measurement base block 3, which is used for rapidly assembling and disassembling the high temperature gas cooled reactor main helium fan main bolt 4 tensile measurement base block 3, and can also achieve torque striking on the measurement base block 3, so that the operation is simple, a suitable torque is formed between the measurement base block 3 and the main bolt 4, and the accuracy of tensile measurement on the main bolt 4 is favorably ensured.

Specifically, the special tool for disassembling and assembling the tension measurement base block 3 of the main bolt 4 of the high-temperature gas-cooled reactor helium circulator comprises a fastening ring 1 and a fastening bolt 2. Wherein, through adjusting fastening bolt 2 with tighrening ring 1 firmly fixed at measuring base block 3 to realize the installation and the dismantlement to measuring base block 3, easy operation.

More specifically, the fastening ring 1 is hollow inside to form a fixing hole 101 for the measurement base block 3 to penetrate through, and two opposite sides of the outer surface of the fastening ring 1 are respectively formed with a clamping plane 102; the fastening ring 1 is provided with a connecting hole penetrating through the inner surface and the outer surface of the fastening ring 1, and an internal thread is arranged on the hole wall of the connecting hole.

The fastening bolt 2 is provided with an external thread matched with the internal thread, and the fastening bolt 2 is in threaded connection with the fastening ring 1 and is used for pressing and locking the measuring base block 3 penetrating in the fixing hole 101.

In this application embodiment, because the inside cavity of tighrening ring 1 forms the fixed orifices 101 that supplies to measure base block 3 and wear to establish, the relative both sides of tighrening ring 1 surface are formed with clamping plane 102 respectively, consequently, can wear to establish in fixed orifices 101 measuring base block 3, then use the open spanner to install measuring base block 3 on king bolt 4 or follow king bolt 4 and dismantle, it is very convenient to operate. Further, the tighrening ring 1 is provided with the connecting hole that runs through the internal and external surface of tighrening ring 1, be provided with the internal thread on the pore wall of connecting hole, fastening bolt 2 supports with tighrening ring 1 threaded connection and presses the locking to wearing to establish measurement base block 3 in fixed orifices 101, through the screw-thread fit of fastening bolt 2 and connecting hole, what be can realize fastening bolt 2 to measuring the locking of supporting of base block 3 through adjusting fastening bolt 2, thereby firmly fix tighrening ring 1 on measuring base block 3, and then realize measuring the installation or the dismantlement of base block 3 through the open-end wrench.

Therefore, when the measuring base block 3 is disassembled, the fastening ring 1 is only required to be fixed on the measuring base block 3 through the fastening bolt 2, and the disassembling of the measuring base block 3 is realized through the matching of the open-end wrench and the two clamping planes 102, so that the operation is very convenient. Similarly, the measurement base block 3 is fixed on the top of the main bolt 4 by the matching of the open spanner and the two clamping planes 102.

In addition, the moment of the measuring base block 3 is achieved through the matching of the open moment wrench and the two clamping planes 102, and the operation is simple.

Optionally, the fixing hole 101 is a cylindrical hole. This helps to achieve a close fit of the fixing hole 101 with the measuring base block 3, so that the fastening ring 1 is firmly sleeved outside the measuring base block 3, so as to fix the measuring base block 3 on the top of the main bolt 4, or detach the measuring base block 3 from the top of the main bolt 4, and then achieve torque application to the measuring base block 3, either through the fit of an open torque wrench with the two clamping planes 102.

Alternatively, the diameter of the fixing hole 101 is the same as the diameter of the measuring base block 3. This helps to further sleeve the fastening ring 1 outside the measurement base block 3, helping to achieve a quick, stable connection of the measurement base block 3 to the fastening ring 1.

Alternatively, the clamping planes 102 on opposite sides of the outer surface of the fastening ring 1 are parallel to each other. The measurement base block 3 can be conveniently disassembled by matching the open end wrench with the two clamping planes 102, and the operation is very convenient; and the matching of the open torque wrench and the two clamping planes 102 is facilitated, the torque of the measuring base block 3 is realized, and the operation is simple.

Alternatively, the portion of the fastening ring 1 connected between the two clamping planes 102 is curved. This facilitates the processing of the structure of the fastening ring 1, and is convenient to operate and cost-effective.

Alternatively, the connection hole is located in the middle of the curved surface between the two clamping planes 102. This facilitates the passage of the fastening bolt 2 through the connecting hole, thereby press-locking the measuring base block 3 to firmly fix the measuring base block 3 to the fastening ring 1.

Optionally, the clamping plane 102 extends from the upper end to the lower end of the outer surface of the fastening ring 1. This facilitates the cooperation of the open-ended wrench with the two clamping planes 102 and the open-ended torque wrench with the two clamping planes 102, thereby facilitating the mounting and dismounting of the measuring base block 3.

Optionally, the depth of the fixing hole 101 is smaller than the height of the measurement base block 3. This helps establishing the fastening ring 1 cover in the outside of measuring basic block 3, is convenient for realize fastening ring 1 and the firm cooperation of measuring basic block 3 to the realization is to the installation of measuring basic block 3, is dismantled and is beaten the moment, easy operation.

It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. A high temperature gas cooled reactor helium circulator king bolt tensile measurement base block dismouting specialized tool which characterized in that includes:

2. The special tool for disassembling and assembling the tension measurement base block of the main bolt of the helium circulator of the high temperature gas cooled reactor according to claim 1, wherein the fixing hole is a cylindrical hole.

3. The special tool for disassembling and assembling the tension measurement base block of the main bolt of the helium circulator of the high temperature gas-cooled reactor according to claim 2, wherein the diameter of the fixing hole is the same as that of the measurement base block.

4. The special tool for disassembling and assembling the tension measurement base block of the main bolt of the helium circulator of the high temperature gas-cooled reactor according to claim 1, wherein clamping planes on two opposite sides of the outer surface of the fastening ring are parallel to each other.

5. The tool special for disassembling and assembling the tensile measurement base block of the main bolt of the helium circulator of the high temperature gas cooled reactor according to claim 1, wherein the part of the fastening ring connected between the two clamping planes is a curved surface.

6. The tool special for disassembling and assembling the tension measurement base block of the main bolt of the helium circulator of the high temperature gas cooled reactor according to claim 5, wherein the connecting hole is located in the middle of a curved surface between the two clamping planes.

7. The tool special for disassembling and assembling the tensile measurement base block of the main bolt of the helium circulator of the high temperature gas cooled reactor as claimed in claim 1, wherein the clamping plane extends from the upper end to the lower end of the outer surface of the fastening ring.

8. The special tool for disassembling and assembling the tension measurement base block of the main bolt of the helium circulator of the high temperature gas-cooled reactor according to claim 1, wherein the depth of the fixing hole is smaller than the height of the measurement base block.