KR200477125Y1 - Tool for pipe type bolt - Google Patents

Tool for pipe type bolt Download PDF

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Publication number
KR200477125Y1
KR200477125Y1 KR2020130009589U KR20130009589U KR200477125Y1 KR 200477125 Y1 KR200477125 Y1 KR 200477125Y1 KR 2020130009589 U KR2020130009589 U KR 2020130009589U KR 20130009589 U KR20130009589 U KR 20130009589U KR 200477125 Y1 KR200477125 Y1 KR 200477125Y1
Authority
KR
South Korea
Prior art keywords
pipe
bolt
tool
temperature sensor
type bolt
Prior art date
Application number
KR2020130009589U
Other languages
Korean (ko)
Inventor
조문기
송훈
Original Assignee
한전케이피에스 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한전케이피에스 주식회사 filed Critical 한전케이피에스 주식회사
Priority to KR2020130009589U priority Critical patent/KR200477125Y1/en
Application granted granted Critical
Publication of KR200477125Y1 publication Critical patent/KR200477125Y1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00—Screwdrivers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B33/00—Hand tools not covered by any other group in this subclass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The present invention relates to a pipe-type bolt-dedicated tool for separating a temperature sensor mounted on a turbine generator bearing.
The present invention relates to a special tool for joining or separating a pipe type bolt having a hollow pipe shape through which a temperature sensor line is connected to a hollow part and having a screw thread formed on the outer peripheral surface and a groove for tool insertion at one end thereof, A cutout portion that is cut along the length of the body to allow the temperature sensor line to enter and exit the body, and a cutout portion that protrudes from one end of the body and is inserted into the tool insertion groove of the pipe bolt. And a fitting protrusion for rotating the pipe bolt as the body rotates.

Description

{TOOL FOR PIPE TYPE BOLT}

The present invention relates to a pipe-type bolt-dedicated tool, and more particularly to a pipe-type bolt-dedicated tool for separating a temperature sensor mounted on a turbine generator bearing.

FIG. 1 is a schematic view showing a temperature sensor installed inside a turbine generator bearing of a nuclear power plant, and FIG. 2 is a perspective view schematically showing the temperature sensor of FIG. 1 separated from a turbine generator bearing .

1 and 2, in general, in order to check the turbine generator bearing of a nuclear power plant, the turbine generator bearing must be lifted after the temperature sensor 2 attached to the bearing 1 is detached.

The temperature sensor 2 of the turbine generator bearing 1 is fixed by a pipe type bolt 3 which is inserted into the inlet 5 of the temperature sensor insertion hole 4, do.

However, such a pipe-type bolt 3 does not have a dedicated tool for coupling and separation, and a flat-type driver is used to join and separate the pipe. The line 6 of the temperature sensor 2 penetrates the center of the pipe- So that the line 6 of the temperature sensor 2 is damaged or the pipe-type bolt 3 is easily worn, thereby deteriorating the maintenance quality.

Also, there is a problem that it is difficult to check and the maintenance time is excessively required.

A bolt fastening tool for a pipe-type bolt has been conventionally known from the registered utility model No. 0122045.

However, the above-described conventional bolt tightening tool has a problem in that it can not be used in a structure in which the line of the temperature sensor is connected through the center of the pipe-shaped bolt.

Accordingly, the present invention has been made to solve the above problems, and it is an object of the present invention to provide a pipe-type bolt-dedicated tool capable of easily joining and separating a pipe-type bolt for fixing a temperature sensor of a turbine generator bearing of a nuclear power plant There is a purpose.

In order to accomplish the above object, one aspect of the present invention is a pipe-shaped bolt having a hollow pipe shape through which a temperature sensor line is connected to a hollow portion, a thread is formed on an outer circumferential surface thereof, Wherein the temperature sensor line is cut along a length of the body so as to allow the temperature sensor line to flow into and out of the body, and a protruding part at one end of the body, And a fitting protrusion inserted into the tool insertion groove of the pipe-type bolt to rotate the pipe-type bolt as the body rotates.

And a step portion formed at one end of the body in a stepwise manner and inserted into the hollow portion of the pipe bolt.

And the fitting protrusion is formed to protrude from the outer periphery of the step portion.

The incision part is formed along one side of one side of both sides of the body, and the fitting protrusion is protruded from the upper side and the lower side of the body.

The body is formed in an elliptical shape in cross section and has a length longer than the length of the inner circumference. When the pressing force is applied to the upper and lower sides, the body is contracted by elasticity and is restored when the pressing force is removed.

According to the present invention as described above, the pipe-shaped bolt can be coupled to and detached from the hole for inserting the temperature sensor while the temperature sensor line is housed therein, thereby preventing damage to the temperature sensor line.

Further, the maintenance can be facilitated and the maintenance time can be shortened.

In addition, there is an effect that the wear of the pipe-type bolt is prevented and the reliability of the maintenance quality is secured.

FIG. 1 is a schematic view of a temperature sensor installed inside a turbine generator bearing of a nuclear power plant. Referring to FIG.
2 is a perspective view schematically showing that the temperature sensor of Fig. 1 is separated from a turbine generator bearing.
3 is a perspective view showing a pipe-type bolt-dedicated tool according to an embodiment of the present invention.
FIG. 4 is a state diagram showing the use of a pipe-type bolt-dedicated tool according to an embodiment of the present invention to connect the pipe-type bolt to a temperature sensor line for coupling or detaching.
FIG. 5A is a front view of FIG. 3; FIG.
5B is a state diagram showing a state in which the upper and lower sides of FIG. 5A are pressed.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, the following examples can be modified in various other forms, and the scope of the present invention is not limited to the following examples.

FIG. 3 is a perspective view illustrating a pipe-type bolt-dedicated tool according to an embodiment of the present invention, FIG. 4 is a cross-sectional view of a pipe- And a temperature sensor connected to the temperature sensor line.

3 to 4, the pipe-type bolt-dedicated tool 10 according to a preferred embodiment of the present invention has a hollow pipe shape through which the temperature sensor line 6 is connected to the hollow portion, A special tool for joining or separating a pipe bolt (3) having a tool insertion groove (3a) formed at one end thereof to an object, comprising a hollow cylindrical body (11) A cutout 13 for cutting the temperature sensor line 6 into and out of the body 11 and a cutout 13 protruding from one end of the body 11 for inserting the tool bolts (Not shown).

The body 11 includes a step portion 17 formed at one end in a stepped manner and the fitting protrusions 15 protrude from the upper and lower sides of the outer surface of the step portion 17, respectively.

Therefore, in the state where the stepped portion 17 is inserted into the hollow portion of the pipe-shaped bolt 3 when the pipe-shaped bolt 3 is joined or separated by using the pipe-type bolt dedicated tool 10 of the present invention So that the fitting protrusion 15 is inserted into the tool insertion groove 3a of the pipe bolt 3.

In other words, the step portion 17 is formed in such a manner that the tool-specific bolt-dedicated tool 10 of the present invention is stably connected to the pipe-shaped bolt 3, Thereby guiding insertion into the insertion groove 3a.

The fitting protrusion 15 is inserted into the tool insertion groove 3a to allow the pipe bolt 3 to be rotated when the operator rotates the body 11 so that the bolt- Thereby enabling separation.

4, the incision part 13 is formed on one side of both sides of the body 11 along the length of the body 11 so that the stepped part 17 is connected to the pipe bolt 3 so that the temperature sensor line 6 is drawn into the interior of the body 11.

FIG. 5A is a front view of FIG. 3; FIG.

As shown in FIG. 5A, the body 11 has an oval cross-section and a longer length than a length of the body. The body 11 is made of aluminum, iron, or the like having elasticity. It is made of metal. At this time, it is preferable that the length of the inner diameter of the body 11 is longer than the length of the inner diameter of the pipe bolt 3.

5B is a state diagram showing a state in which the upper and lower sides of FIG. 5A are pressed.

5b, in order to insert the step portion 17 into the hollow portion of the pipe bolt 3, the body 11 is pressurized from the upper side and the lower side so that the inner diameter of the step portion 17 The bolt 3 is inserted into the hollow portion of the pipe bolt 3 in a state in which the longitudinal length of the bolt 3 is deformed to be smaller than the length of the inside diameter of the pipe bolt 3. [

In the state where the step portion 17 is inserted into the hollow portion of the pipe bolt 3 and the fitting projection 15 is inserted into the tool insertion groove 3a of the pipe bolt 3, When the pressing force for pressing the tubular bolt 11 is removed, the step portion 17 is constrained to the hollow portion of the pipe bolt 3 by the restoring force of the body 11, Is stably fixed to the pipe-shaped bolt (3).

With the above-described structure, an operator can easily work to join and disassemble the pipe bolt 3 by using the tool 10 dedicated to the pipe bolt according to the present invention.

 A method of joining or separating the pipe-type bolt 3 using the pipe-type bolt dedicated tool 10 of the present invention will be described in detail with reference to Figs. 4 to 5B.

The temperature sensor line 6 is drawn into the inside of the body 11 through the cutout 13.

The hollow portion of the pipe-shaped bolt 3 and the center line of the step portion 17 coincide with each other.

The stepped portion 17 is inserted into the hollow portion of the pipe bolt 3 while the upper and lower sides of the body 11 are pressed and the fitting protrusion 15 is successively inserted into the hollow portion of the pipe bolt 3, And inserted into the insertion groove 3a.

The pressing force exerted on the body 11 is removed so that the hollow portion of the stepped portion 17 and the pipe-shaped bolt 3 is forced to be restrained by the restoring force of the body 11.

The body 11 is rotated to bolt the pipe bolt 3 to the turbine generator bearing 1 or to separate it from the turbine generator bearing 1.

The body 11 is pressed upward and downward to separate the step portion 17 from the hollow portion of the pipe bolt 3.

According to the present invention as described above, the pipe-type bolt can be coupled to and detached from the hole for inserting the temperature sensor while the temperature sensor line is housed therein, thereby preventing damage to the temperature sensor line. And the maintenance time can be shortened. Further, it is possible to prevent the wear of the pipe-type bolt and to secure the reliability of the maintenance quality.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It can be understood that

1: turbine generator bearing 3: pipe type bolt
3a: groove for tool insertion 6: temperature sensor line
10: Tool for pipe type bolt 11: Body
13: incision part 15:
17:

Claims (5)

A special tool for joining or separating a pipe type bolt having a hollow pipe shape in which a temperature sensor line is connected to a hollow part through a thread formed on an outer circumferential surface thereof and a groove for tool insertion at one end thereof,
The body being hollow and having a cross section of an elliptical shape and having a length longer than a length of an inner circumference of the tubular body and being restored when the pressing force is applied to the upper side and the lower side when the pressing force is applied and the pressing force is removed;
A cutout portion cut along the length of the body to allow the temperature sensor line to enter and exit the body; And
A fitting protrusion protruding from one end of the body and inserted into a tool insertion groove of the pipe bolt to allow the pipe bolt to rotate as the body rotates; Wherein the tool is a tool for a pipe-type bolt. The method according to claim 1,
And a step portion formed at one end of the body so as to be stepped inward and inserted into the hollow portion of the pipe bolt. The method of claim 2,
Wherein the fitting protrusion is formed to protrude from an outer periphery of the step portion. The method according to any one of claims 1 to 3,
The incision portion is formed on one side of both sides of the body along the length,
Wherein the fitting protrusions are formed on the upper and lower sides of the body, respectively. delete
KR2020130009589U 2013-11-21 2013-11-21 Tool for pipe type bolt KR200477125Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020130009589U KR200477125Y1 (en) 2013-11-21 2013-11-21 Tool for pipe type bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020130009589U KR200477125Y1 (en) 2013-11-21 2013-11-21 Tool for pipe type bolt

Publications (1)

Publication Number Publication Date
KR200477125Y1 true KR200477125Y1 (en) 2015-05-07

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ID=53434775

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2020130009589U KR200477125Y1 (en) 2013-11-21 2013-11-21 Tool for pipe type bolt

Country Status (1)

Country Link
KR (1) KR200477125Y1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106840681A (en) * 2017-03-24 2017-06-13 中国北方发动机研究所(天津) A kind of cylinder pressure sensor dismantling device for automotive engine test bench
CN110856912A (en) * 2018-08-24 2020-03-03 中电华元核电工程技术有限公司 Device and method for disassembling and assembling dynamic pressure sensor of PCB for nuclear power station

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928455U (en) * 1982-08-10 1984-02-22 三菱重工業株式会社 Wire gland tightening tool
JPS62192873U (en) * 1986-05-29 1987-12-08
JPH0588872U (en) * 1992-01-13 1993-12-03 三菱マテリアル株式会社 Nut twisting jig
US5723818A (en) * 1993-08-24 1998-03-03 Yeh; Ming-Hwa Structure of a safety plug for coaxial cable

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928455U (en) * 1982-08-10 1984-02-22 三菱重工業株式会社 Wire gland tightening tool
JPS62192873U (en) * 1986-05-29 1987-12-08
JPH0588872U (en) * 1992-01-13 1993-12-03 三菱マテリアル株式会社 Nut twisting jig
US5723818A (en) * 1993-08-24 1998-03-03 Yeh; Ming-Hwa Structure of a safety plug for coaxial cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106840681A (en) * 2017-03-24 2017-06-13 中国北方发动机研究所(天津) A kind of cylinder pressure sensor dismantling device for automotive engine test bench
CN110856912A (en) * 2018-08-24 2020-03-03 中电华元核电工程技术有限公司 Device and method for disassembling and assembling dynamic pressure sensor of PCB for nuclear power station

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