CN211629486U - Safe type short circuit device is used to bank bridge electric circuit - Google Patents
Safe type short circuit device is used to bank bridge electric circuit Download PDFInfo
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- CN211629486U CN211629486U CN202020601197.5U CN202020601197U CN211629486U CN 211629486 U CN211629486 U CN 211629486U CN 202020601197 U CN202020601197 U CN 202020601197U CN 211629486 U CN211629486 U CN 211629486U
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- circuit board
- cutter body
- circuit
- wiring nut
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Abstract
The utility model discloses a bank bridge is safe type short circuit device for electric circuit, including insulating casing, be equipped with the wiring nut on the rear end of insulating casing, the inside of insulating casing is equipped with the circuit board, even there is the spring on the rear end of circuit board, the other end of spring is connected to the wiring nut, the wiring nut even has the earthing terminal through the wire; the rear end of the cutter body probe is arranged in the insulating shell and connected with the front end part of the circuit board, and the front end part of the cutter body probe is in a screwdriver head shape; the circuit board comprises a patch fuse providing overcurrent fusing, and a resistor and a light emitting diode which are connected in parallel with the patch fuse. The utility model discloses in order to solve the defect among the prior art.
Description
Technical Field
The utility model relates to a harbour container crane bank bridge electrician's technique, more specifically say, relate to a bank bridge electric circuit is with safe type short circuit device.
Background
In shore bridge electrical systems, the electrical circuit is divided into a number of sections, due to the height and structure of the shore bridge, and therefore inspection of the electrical lines is necessary. The operation on the shore bridge belongs to high altitude special type operation, and the labour protection articles for use are worn more, and instrument safety in utilization requires highly, carries out ground connection short circuit to cable one end implementing, and the inspection during operation of resistance is measured to the other end, often discovers following condition:
1) lack of an effective ground shorting device and then having to use temporary cable shorts;
2) the temporary cable short circuit is unreliable and is switched on and off;
3) the circuit detection is frequently carried out by using a screwdriver when the circuit is grounded and short-circuited, the circuit is electrified, the circuit is wrong and the like.
The problems cause the consequences that the inspection work efficiency of the electric circuit is low and the work safety cannot be guaranteed, so that the safety of the electric circuit inspection must be improved, the probability of the ground short circuit fault of the electric system is reduced, and the personal safety and the equipment safety are guaranteed; the reliability of the grounding short circuit of the electric line is improved, and the short circuit detection device can reliably short-circuit grounding metal or a plug and a terminal required by short circuit; the convenience of checking the electric circuit is improved, and the use amount of other tools is reduced to the maximum extent to adapt to various application occasions on a shore bridge.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect that exists among the prior art, the utility model aims at providing a bank bridge is safe type short circuit device for electric circuit to solve the defect among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a safe short circuit device for shore bridge electric lines comprises an insulating shell, wherein a wiring nut is arranged at the rear end of the insulating shell, a circuit board is arranged in the insulating shell, a spring is connected to the rear end of the circuit board, the other end of the spring is connected to the wiring nut, and the wiring nut is connected with a grounding end through a lead;
the rear end of the cutter body probe is arranged in the insulating shell and connected with the front end part of the circuit board, and the front end part of the cutter body probe is in a screwdriver head shape;
the circuit board comprises a patch fuse providing overcurrent fusing, and a resistor and a light emitting diode which are connected in parallel with the patch fuse.
The grounding end is a clamp and/or a probe.
The lead is connected with the wiring nut and the grounding end in a plug-in mode.
The plug-in type is connected for the both ends setting of wire is banana head formula terminal, wiring nut, the earthing terminal seted up with the wiring hole of terminal looks adaptation.
The cutter body probe is connected with the circuit board through a metal cushion block.
The front end part of the cutter body probe is in a shape of a straight screwdriver head.
In foretell technical scheme, the utility model provides a bank bridge is safe type short circuit device for electric circuit to not confine to the application on the harbour container bank bridge, also be adapted to other places that need inspect electric circuit, have general realistic meaning and practical value, can effectively improve efficiency, reliability and the security of inspection work.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the short-circuit device of the present invention;
fig. 2 is a schematic circuit diagram of the circuit board in the embodiment of the short-circuit device of the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
As shown in fig. 1 to fig. 2, the utility model provides a bank bridge is safe type short circuit device for electric circuit, including insulating casing 1, its insulation design, do the utility model discloses a major structure.
The rear end of the insulating housing 1 is connected with a wiring nut 5, the circuit board 3 is installed in the insulating housing 1, the rear end of the circuit board 3 is connected with a spring 6, the other end of the spring 6 is connected with the wiring nut 5 to fix the circuit board 3, and the wiring nut 5 is connected with a grounding end through a wire 7.
The cutter body probe is characterized by further comprising a cutter body probe 2, the front end of the insulating shell 1 is wrapped on the rear end of the cutter body probe 2, the rear end of the cutter body probe 2 is connected with the front end of the circuit board 3 through a metal cushion block 4, and the contact area between the cutter body probe 2 and the circuit board 3 is increased.
The front end part of the cutter body probe 2 is designed into a shape of a straight screwdriver head, so that the functions of wire selection, grounding and screw screwing are realized.
The grounding end is a clamp 8 and/or a probe 9, the clamp 8 can clamp reliable grounding metal such as a grounding nut, and the probe 9 can be inserted into a terminal and a plug to wait for measuring equipment.
The circuit board 3 includes a chip fuse FU1 for providing overcurrent fuse, and a resistor R1 and a light emitting diode D1 connected in parallel therewith. The protection function when electrified circuit misconnection ground short circuit is increased through paster fuse FU1, and paster fuse FU1 can reduce circuit board 3 volume moreover, and when paster fuse FU1 fuses the back, emitting diode D1 work. Fusing when paster fuse FU1 is used for the overcurrent can improve the utility model discloses short circuit device's fail safe nature, when the circuit is electrified, the utility model discloses short circuit device ground connection short circuit can produce instantaneous overcurrent fusing paster fuse FU1, and emitting diode D1 work is luminous, can indicate that the staff's circuit is dangerous electrified.
The lead 7 is connected with the wiring nut 5 and the grounding end in a plug-in type.
The plug-in type connection is characterized in that two end parts of the lead 7 are provided with banana head type binding posts, and the connection positions of the wiring nut 5 and the grounding end are provided with wiring holes matched with the binding posts. The plug-in type connection mode is fast and convenient, the expansibility is strong, and the electric circuit inspection work under different environments can be adapted through various combinations.
When the wire 7 is connected with the clamp 8, the clamp 8 can be clamped on any grounding metal part, after the cutter body probe 2 is inserted into the wiring terminal, the terminal can be reliably grounded and short-circuited, and the other end of the circuit is measured to have a corresponding resistance value by an operator by using an ohmic baffle on a multimeter.
When 7 connection probes 9 of wire, can insert a binding post or wiring plug with probe 9, cutter body probe 2 inserts other binding post, conveniently realizes the reliable short circuit between two terminals, and the corresponding resistance value is measured to the ohmic fender that the circuit other end used on the universal meter by the staff.
When the wire 7 is connected with the clamp 8 and the probe 9, the clamp 8 can be clamped on any grounding metal part, the probe 9 is inserted into a cable plug, a sensor socket and other precise and fine electric elements to realize the grounding short circuit function, and the other end of the circuit is used by a worker to measure the corresponding resistance value by using an ohmic baffle on a multimeter.
The cutter body probe 2 can be used as a straight screwdriver, can be used for disconnecting, connecting and screwing screws, can improve the adaptability of the device, simplifies required tools and improves the working efficiency.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a bank bridge is safe type short circuit device for electric circuit which characterized in that: the circuit board is characterized by comprising an insulating shell, wherein a wiring nut is arranged on the rear end part of the insulating shell, a circuit board is arranged in the insulating shell, a spring is connected to the rear end part of the circuit board, the other end of the spring is connected to the wiring nut, and the wiring nut is connected with a grounding end through a wire;
the rear end of the cutter body probe is arranged in the insulating shell and connected with the front end part of the circuit board, and the front end part of the cutter body probe is in a screwdriver head shape;
the circuit board comprises a patch fuse providing overcurrent fusing, and a resistor and a light emitting diode which are connected in parallel with the patch fuse.
2. The safe shorting device for shore bridge electrical lines of claim 1, wherein: the grounding end is a clamp and/or a probe.
3. The safe shorting device for shore bridge electrical lines of claim 2, wherein: the lead is connected with the wiring nut and the grounding end in a plug-in mode.
4. The safe shorting device for shore bridge electrical lines of claim 3, wherein: the plug-in type is connected for the both ends setting of wire is banana head formula terminal, wiring nut, the earthing terminal seted up with the wiring hole of terminal looks adaptation.
5. The safe shorting device for shore bridge electrical lines of claim 1, wherein: the cutter body probe is connected with the circuit board through a metal cushion block.
6. The safe shorting device for shore bridge electrical circuits according to claim 5, wherein: the front end part of the cutter body probe is in a shape of a straight screwdriver head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020601197.5U CN211629486U (en) | 2020-04-21 | 2020-04-21 | Safe type short circuit device is used to bank bridge electric circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020601197.5U CN211629486U (en) | 2020-04-21 | 2020-04-21 | Safe type short circuit device is used to bank bridge electric circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211629486U true CN211629486U (en) | 2020-10-02 |
Family
ID=72622449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020601197.5U Active CN211629486U (en) | 2020-04-21 | 2020-04-21 | Safe type short circuit device is used to bank bridge electric circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211629486U (en) |
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2020
- 2020-04-21 CN CN202020601197.5U patent/CN211629486U/en active Active
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