CN214754644U - Special tool for disconnecting and connecting wire based on safety control - Google Patents

Special tool for disconnecting and connecting wire based on safety control Download PDF

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Publication number
CN214754644U
CN214754644U CN202120634321.2U CN202120634321U CN214754644U CN 214754644 U CN214754644 U CN 214754644U CN 202120634321 U CN202120634321 U CN 202120634321U CN 214754644 U CN214754644 U CN 214754644U
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China
Prior art keywords
special tool
safety control
wire
insulating shell
disconnecting
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CN202120634321.2U
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Chinese (zh)
Inventor
王征勇
曹培根
郑媛媛
万舒
李晓振
杨宝松
刘仁朋
李本荣
尤兵
周杨
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CNNC Fujian Nuclear Power Co Ltd
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CNNC Fujian Nuclear Power Co Ltd
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Abstract

The utility model relates to the technical field of control system operation maintenance, in particular to a special tool for disconnecting and connecting wires based on safety control.A wire testing loop is arranged in an insulating shell and is connected in sequence by a female head of a quick connector, a resistor, an indicator light and a grounding terminal through a wire; the lamp cap of the indicator lamp passes through the lamp cap preformed hole on the front side wall of the insulating shell and is positioned on the front side of the insulating shell; when the voltage exists in the electroscope loop, the indicator light is lighted. The utility model discloses the instrument makes the work of taking out stitches more normal, reduces because of the error risk, improves the security; the method can be used for simplifying the wire detaching process, eliminates the risk of foreign matters introduced by using an insulating tape in the conventional wire detaching process, and greatly reduces the risk of wire detaching error, grounding and short circuit caused by human factors.

Description

Special tool for disconnecting and connecting wire based on safety control
Technical Field
The utility model belongs to the technical field of control system operation maintenance, concretely relates to special tool for taking out stitches based on safety control.
Background
Large control system cabinets have numerous terminal blocks with dense terminal blocks cores to which numerous on-site devices are connected. In the process of operation maintenance or problem troubleshooting of a control system, terminal row disconnection and wiring are often needed on the side of a cabinet and the side of an instrument to simulate test signals or troubleshoot signal connection correctness.
When the control system is in operation, in order to prevent the problems of short circuit, on-site equipment damage and the like caused by improper wire removing work of the terminal block, each removed wire needs to be bound by using an insulating tape, and meanwhile, the termination relation is recorded by memory or a paper pen.
The conventional working mode is time-consuming and labor-consuming, and is easy to cause safety problems of equipment misoperation or damage to the clamping piece due to grounding and short circuit caused by improper operation of personnel, falling of the insulating adhesive tape, wrong wiring recovery and the like.
In addition, the state change of the wiring signal cannot be monitored in real time in the current wiring disconnection process, so that great difficulty is caused to equipment debugging and maintenance.
Therefore, it is desirable to design a new special tool for removing the wire to solve the above problems.
Disclosure of Invention
An object of the utility model is to provide a special tool of joint removal line based on safety control improves the safety of joint removal line, can obviously promote work efficiency simultaneously.
The technical scheme of the utility model as follows:
a special tool for disconnecting and connecting wires based on safety control comprises an insulating shell, an electricity testing loop, an extension wire and a wire clip;
a lamp holder preformed hole is processed on the front side wall of the insulating shell;
an electricity testing loop is arranged in the insulating shell and is sequentially connected with a female head of a quick connector, a resistor, an indicator light and a grounding terminal through a lead;
the other end of the grounding terminal is connected with a ground wire of the working area;
the female head is fixed on the side wall of the insulating shell, and the lamp cap of the indicator lamp penetrates through a lamp cap preformed hole in the front side wall of the insulating shell and is positioned on the front side of the insulating shell;
when the voltage exists in the electricity testing loop, the indicator light is turned on;
one end of the extension line is connected with the male head of the quick connector, and the other end of the extension line is connected with the wire clip;
the female head and the male head of the quick connector are matched for use and are communicated with the extension line and the electricity testing loop.
An erasable recording plate is arranged on the front side wall of the insulating shell and on one side of the lamp holder preformed hole;
the erasable recording board can be erased and written repeatedly and is used for recording the information of the termination position of the electroscopic circuit inside the insulating shell at the side of the cabinet and the serial number of the signal wire and the cable planned to be removed.
The hook is welded right above the insulating shell and used for hanging in the using process.
The electricity checking loop has a plurality of groups and can be simultaneously disconnected with a plurality of signal wires.
The wire clip is used for clamping the signal wire detached from the working site.
The wire clip can clamp 0.5-6 mm detached from a working site2The signal line of (2).
The inner metal end of the wire clip is connected with the extension line, and the outer insulating layer is convenient for workers to handle and operate.
The length of the extension line has various specifications so as to be suitable for different working conditions.
The insulating housing can ensure that the internal electricity testing loop is insulated from the outside.
In the process of disconnecting and connecting, the wire nose of the signal wire detached from the cabinet side is inserted into the wire clip.
The utility model discloses a show the effect and lie in:
(1) the utility model discloses the instrument makes the work of taking out stitches more normal, reduces because of the error risk, improves the security;
the method can be used for simplifying the wire detaching process, eliminates the risk of foreign matters introduced by using an insulating tape in the conventional wire detaching process, and greatly reduces the risk of wire detaching error, grounding and short circuit caused by human factors.
(2) The utility model discloses the instrument makes control system rack terminal row disconnect work become succinctly high-efficient, obviously promotes work efficiency.
Drawings
FIG. 1 is a schematic view of the interior of a tool;
FIG. 2 is a schematic front view of the tool;
fig. 3 is an extension line schematic diagram.
In the figure: 1 an insulating housing; 2, hooking; 3-1 female head; 3-2 male; 4, resistance; 5 an indicator light; 6 a ground terminal; 7, conducting wires; 8, extending lines; 9, a lead wire clip; 10 rewritable recording board.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1-2 show a special tool for wire disconnection based on safety control, which comprises an insulating housing 1, a hook 2, a quick connector, a resistor 4, an indicator lamp 5, a grounding terminal 6, a wire 7, an extension line 8, a wire clip 9 and an erasable recording board 10.
The hook 2 is welded right above the insulating shell 1 and used for hanging the device in the using process.
Four lamp cap preformed holes are processed on the front side wall of the insulating shell 1, and four erasable recording plates 10 are respectively arranged on one side of each lamp cap preformed hole.
The erasable recording board 10 can be erased and written repeatedly and is used for recording information such as the terminating positions of four groups of corresponding electricity checking circuits inside the insulating shell 1 at the side of the cabinet.
Four groups of same electricity checking circuits are arranged in the insulating shell 1, and each group of electricity checking circuits are sequentially connected through a female head 3-1 of a quick connector, a resistor 4, an indicator lamp 5 and a grounding terminal 6 through a lead 7. The other end of the ground terminal 6 is connected to the ground line of the working area.
The female head 3-1 is fixed on the side wall of the insulating shell 1, and the lamp cap of the indicator lamp 5 penetrates through a lamp cap reserved hole in the front side wall of the insulating shell 1 and is positioned on the front side of the insulating shell 1. When the voltage exists in the electricity testing loop, the indicator lamp 5 is turned on to prompt workers.
Insulating housing 1 can guarantee that inside test circuit is insulating with the external world.
As shown in FIG. 3, one end of the extension line 8 is connected with the male connector 3-2 of the quick connector, and the other end is connected with the wire clip 9.
The wire clip 9 is used for clamping 0.5-6 mm detached from a working site2The inner metal end of the wire clip 9 is connected with the extension line 8, and the outer insulating layer is convenient for the worker to operate by hand.
The length of the extension line 8 has four specifications of 0.5m, 1m, 1.5m and 2m, so that the extension line is suitable for different working conditions.
The female head 3-1 and the male head 3-2 of the quick connector are matched for use and are communicated with the extension line 8 and the electricity testing loop.
In the process of disconnecting and connecting wires, firstly, the grounding terminal 6 is connected with a ground wire of a working area, then an extension line 8 with a proper length is selected and is connected with an electricity testing loop in the insulating shell 1 through a quick connector; recording the serial number of the signal line cable planned to be dismantled and the terminating position information of the machine cabinet side on an erasable recording board 10 corresponding to an electricity testing loop;
the signal wire is detached from the cabinet side, and the wire nose of the signal wire is inserted into the wire clip 9;
whether the signal line is electrified or not is judged by checking whether the indicator lamp 5 corresponding to the electricity checking circuit emits light or not, and the signal line is recorded on the erasable recording board 10;
meanwhile, the state of the signal line is monitored in real time through the state of the indicator lamp 5;
removing and connecting the signal lines one by one according to the method;
after the work is finished, the signal lines are restored and connected to the corresponding connecting terminals one by one according to the cabinet side end connecting position information recorded on the erasable recording board 10.

Claims (10)

1. The utility model provides a special tool of disconnect line based on safety control which characterized in that: comprises an insulating shell (1), an electricity testing loop, an extension line (8) and a lead clip (9);
a lamp holder preformed hole is processed on the front side wall of the insulating shell (1);
an electricity testing loop is arranged in the insulating shell (1), and the electricity testing loop is formed by sequentially connecting a female head (3-1) of a quick connector, a resistor (4), an indicator lamp (5) and a grounding terminal (6) through a lead (7);
the other end of the grounding terminal (6) is connected with a ground wire of a working area;
the female head (3-1) is fixed on the side wall of the insulating shell (1), and the lamp cap of the indicator lamp (5) penetrates through a lamp cap preformed hole in the front side wall of the insulating shell (1) and is positioned on the front side of the insulating shell (1);
when the voltage exists in the electroscopy loop, the indicator lamp (5) is turned on;
one end of the extension line (8) is connected with a male head (3-2) of the quick connector, and the other end of the extension line is connected with a lead wire clip (9);
the female head (3-1) and the male head (3-2) of the quick connector are matched for use and are communicated with the extension line (8) and the electricity testing loop.
2. A safety control based special tool for disconnecting lines according to claim 1, characterized in that: an erasable recording plate (10) is arranged on the front side wall of the insulating shell (1) and on one side of the lamp holder preformed hole;
the rewritable recording board (10) can be repeatedly erased and written and is used for recording the termination position information of the electric testing circuit in the insulating shell (1) at the side of the cabinet and the serial number of the signal line cable planned to be removed.
3. A safety control based special tool for disconnecting lines according to claim 1, characterized in that: still include couple (2), couple (2) weld directly over insulating casing (1) for hang in the use.
4. A safety control based special tool for disconnecting lines according to claim 1, characterized in that: the electricity checking loop has a plurality of groups and can be simultaneously disconnected with a plurality of signal wires.
5. A safety control based special tool for disconnecting lines according to claim 1, characterized in that: the lead clip (9) is used for clamping a signal wire detached from a working site.
6. A safety control-based special tool for disconnecting wires according to claim 5, wherein: the wire clip (9) can clamp 0.5-6 mm detached from a working site2The signal line of (2).
7. A safety control based special tool for disconnecting lines according to claim 1, characterized in that: the inner metal end of the wire clip (9) is connected with the extension line (8), and the outer insulating layer is convenient for workers to handle.
8. A safety control based special tool for disconnecting lines according to claim 1, characterized in that: the length of the extension line (8) has various specifications so as to be suitable for different working conditions.
9. A safety control based special tool for disconnecting lines according to claim 1, characterized in that: the insulation shell (1) can ensure that an internal electricity testing loop is insulated from the outside.
10. The special tool for disconnecting and connecting lines based on safety control as claimed in any one of claims 1 to 9, wherein: in the process of disconnecting and connecting, the wire nose of the signal wire detached from the cabinet side is inserted into the wire clip (9).
CN202120634321.2U 2021-03-29 2021-03-29 Special tool for disconnecting and connecting wire based on safety control Active CN214754644U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120634321.2U CN214754644U (en) 2021-03-29 2021-03-29 Special tool for disconnecting and connecting wire based on safety control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120634321.2U CN214754644U (en) 2021-03-29 2021-03-29 Special tool for disconnecting and connecting wire based on safety control

Publications (1)

Publication Number Publication Date
CN214754644U true CN214754644U (en) 2021-11-16

Family

ID=78597854

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120634321.2U Active CN214754644U (en) 2021-03-29 2021-03-29 Special tool for disconnecting and connecting wire based on safety control

Country Status (1)

Country Link
CN (1) CN214754644U (en)

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