CN209001156U - A kind of earthing clamp and temporary ground wire based on shield locking - Google Patents

Abstract

A kind of earthing clamp and temporary ground wire based on shield locking, belongs to power transmission line service technique field.It include the adjustable side that the clamped condition of clamping component is adjusted in clamping component including the clamp (4) equipped with clamp port, it is characterised in that: be provided with earthing clamp pedestal, the clamp (4) is fixed on ground line pedestal top and exposes clamp port；It is equipped with shield (1), is provide with the adjustable side inside it after shield (1) and the installation of earthing clamp pedestal, and the lock body by earthing clamp chassis interior is arranged in is locked on the top of earthing clamp pedestal.In the earthing clamp and temporary ground wire for originally having lock function, by the way that shield is arranged, effectively avoid temporary ground wire mixed and the course of work in temporary ground wire surprisingly removed, so that industry operating provision is implemented, the earthing clamp and temporary ground wire based on shield locking of security risk when greatly reducing work.

Description

A kind of earthing clamp and temporary ground wire based on shield locking

Technical field

A kind of earthing clamp and temporary ground wire based on shield locking, belongs to power transmission line service technique field.

Background technique

The tour of electric power transmission line is to guarantee the important means of power grid security, and main purpose is to grasp transmission line of electricity Working condition, find defect in time, defect eliminated, to guarantee safety.All a certain section of transmission lines of electricity are carried out in staff It when inspection, needs to power off this section of transmission line of electricity, for the personal safety for being further ensured that staff, needs making an inspection tour line The both ends on road mount a plurality of temporary ground wire respectively, and ground line includes one end conducting wire, are respectively arranged with wiring at the both ends of conducting wire Folder and earth clip, binding clip are articulated in the predetermined position of transmission line of electricity, earth clip by conducting wire lead to ground and on ground Ground terminal is reliably connected, once the high-voltage electricity maked an inspection tour on route by unexpected power transmission, in transmission line of electricity is drawn by temporary ground wire Enter the earth, staff is avoided to get an electric shock.

It fails if be grounded in maintenance process because of dismounting, once the favorite outer power transmission of transmission line of electricity, will cause serious Safety accident advised so being operated according to industry therefore due to the personal safety tight association of temporary ground wire and staff It is fixed, ground line should special messenger it is dedicated while requiring " whom who, which hangs, is torn open ", however in actual use, be grounded quilt due to various reasons The case where malice or unintentionally dismounting, happens occasionally, therefore is grounded temporary ground wire and is difficult to operate rule according to industry when in use It is fixed to implement, to cause biggish security risk.

Summary of the invention

Technical problem to be solved by the utility model is: overcoming the deficiencies of the prior art and provide a kind of by being arranged to folder The shield that the adjustable side of body is provide with, effectively avoid temporary ground wire mixed and the course of work in temporary ground wire by accident It removes, so that industry operating provision is implemented, the ground line based on shield locking of security risk when greatly reducing work Folder and temporary ground wire.

The technical scheme adopted by the utility model to solve the technical problem is as follows: the earthing clamp that should be locked based on shield, Including the clamp equipped with clamp port, it is provided with the clamping component clamped to ground terminal in clamp port, includes in clamping component The adjustable side that the clamped condition of clamping component is adjusted, it is characterised in that: be provided with earthing clamp pedestal, the clamp is solid It is scheduled on ground line pedestal top and exposes clamp port；Shield, shield and ground line are installed on the top of earthing clamp pedestal The adjustable side is provide with inside it after folder pedestal installation, the lock body of locking shield is equipped in earthing clamp pedestal.

Preferably, the earthing clamp pedestal includes base housing, and the lock body is to be arranged in base housing inner cavity Electromagnetic lock, outside and control circuit by be similarly positioned in base housing inner cavity control of the lock tongue of electromagnetic lock towards base housing It opens.

Preferably, shield includes lockplate, and the inserting groove opened up downwards is provided in the side of base housing, and inserting groove prolongs At the lock tongue for extending to the electromagnetic lock, locking is completed in the lockhole of its bottom and lock tongue cooperation after lockplate loading inserting groove, is being locked Fixed board upper end is provided with the cover that Open Side Down is provide with clamp.

Preferably, the control circuit includes microprocessor, fingerprint module, key switch, key and the electromagnetism Lock, the signal output end of key, key switch and fingerprint module are connected with the signal input part of microprocessor, microprocessor Signal output end is connected with electromagnetic lock；Control circuit further includes locating module and wireless communication module, locating module, channel radio News module is bi-directionally connected with microprocessor.

Preferably, the key mouth of the key, the fingerprint recognition window of fingerprint module and key switch is provided with bottom In two end side surfaces of seat shell body.

Preferably, it is also placed with battery in the bottom of the base housing inner cavity, is provided on the side of base housing The charge port to charge for battery.

Preferably, the front end face of the base housing is provided with the front shroud blocked to the inner cavity of base housing.

Preferably, the clamp includes clamp frame, the clamp arm of two clamp arm of upper and lower two clamp arm and connection in clamp frame Linkage section forms the clamp port, and the clamping component enters in clamp port after the clamp arm of upper end, and the folder with lower end Arm is matched for clamping tightly；The clamp arm of lower end is fitted into the groove of earthing clamp susceptor surface and is fixed by more clamp fixing bolts.

Preferably, the clamping component includes the fixture block in clamp port, and adjustable side includes threaded rod and auxiliary Rotating bar, threaded rod vertically pass through upper end clamp arm and are threadedly coupled with upper end clamp arm, and threaded rod lower end is flexibly connected with fixture block, auxiliary Help rotating bar horizontal through threaded rod.

It is a kind of to utilize temporary ground wire made of the earthing clamp locked based on shield, it is characterised in that: to be provided with ground connection Conducting wire, the side that earth lead is fixed on clamp by the way that the ground line terminal of one end is arranged in.

Compared with prior art, beneficial effect possessed by the utility model is:

1, it in the earthing clamp and temporary ground wire for originally having lock function, by the way that shield is arranged, effectively avoids interim It is grounded temporary ground wire in the mixed and course of work surprisingly to be removed, so that industry operating provision is implemented, drop significantly The earthing clamp and temporary ground wire based on shield locking of security risk when low work.

2, it is located at the part on the outside of clamp arm in threaded rod and is provided with radial through-hole, auxiliary rotating bar passes through the through-hole, leads to Setting auxiliary rotating bar is crossed, can be convenient circumferentially rotates threaded rod.

3, by setting fingerprint module, microprocessor can just drive electromagnetic lock to open, be truly realized after verifying fingerprint " special messenger is dedicated ".

4, in maintenance process, the location information that locating module obtains is sent constantly into microprocessor, and microprocessor passes through Wireless communication module constantly transmits location information outward, and receiving end passes through the information received and judges based on shield locking Earthing clamp uses position, realizes supervision.

Detailed description of the invention

Fig. 1 is the earthing clamp perspective view locked based on shield.

Fig. 2 is the earthing clamp front view locked based on shield.

Fig. 3 is the earthing clamp top view locked based on shield.

Fig. 4 is sectional view along A-A in Fig. 3.

Fig. 5 is the earthing clamp clamp front view locked based on shield.

Fig. 6 is the earthing clamp control circuit principle block diagram locked based on shield.

Wherein: 1, shield 2, ground line terminal 3, anti-lost tapered end 4, clamp 5, front shroud 6, fingerprint module 7, instruction Lamp 8, base housing 9, charge port 10, clamp fixing bolt 11, key switch 12, key 13, electromagnetic lock 14, circuit Plate 15, battery 16, ground line fixing bolt 17, threaded rod 18, auxiliary rotating bar 19, clamp frame 20, fixture block.

Specific embodiment

Fig. 1 ~ 6 are the most preferred embodiments of the utility model, and 1 ~ 6 pair of the utility model is done furtherly with reference to the accompanying drawing It is bright.

As shown in Fig. 1 ~ 3, a kind of earthing clamp (hereinafter referred to as earthing clamp) based on shield locking, including earthing clamp Pedestal is fixed on the clamp 4 of earthing clamp pedestal upper end and is located at the shield 1 on 4 top of clamp.Shield 1 is bottom opening Cylindrical shape, be vertically arranged with locking level in one side, the lockplate that shield 1 is located at after 4 upper end of clamp on the left of it protrudes into It is locked in earthing clamp pedestal.

In conjunction with Fig. 4, earthing clamp pedestal includes the base housing 8 of cuboid shape, offers peace in the upper end of base housing 8 Tankage, clamp 4 are packed into mounting groove and will by the more clamp fixing bolts 10 also cross clamp 4 and base housing 8 Clamp 4 is fixed on the upper end of base housing 8.It is fixed with ground line terminal 2 in the side of clamp 4, is grounded (being not drawn into figure) One end is fixed on the inside of ground line terminal 2, and the other end is free end.Will be grounded terminal 2 be fixed on 4 side of clamp it Afterwards, the temporary ground wire based on earthing clamp is formed.In actual use, the free end of ground line is articulated on power transmission line, The other end is clamped by the ground terminal of clamp 4 and ground reliable ground, then shield 1 is located to upper end and the locking of clamp 4, Prevent other people from removing clamp from ground terminal.Make to be grounded reliable ground without in base housing 8 by clamp 4 to realize Circuit structure impacts, and clamp 4 uses metal material, and base housing 8 is realized using isolation material, preferably plastic material.

8 front opening of base housing is being provided with front shroud 5 at its front opening, and front shroud 5 passes through more of border Screw is fixed with base housing 8 and blocks the inner cavity of base housing 8.The inner cavity interval of base housing 8 forms multiple only Vertical accommodating chamber, wherein being provided with battery cavities in the bottom of base housing 8, battery 15 is fixed in battery cavities.In battery cavities Top is electrical chamber, and the circuit board 14 of this earthing clamp control circuit is fixed on electrical intracavitary.

It is latch well above electrical chamber, is fixed with electromagnetic lock 13 in latch well, the lock tongue of electromagnetic lock 13 is towards pedestal shell The outside of body 8 offers the inserting groove being connected to latch well, the locking of above-mentioned shield 1 at the top of base housing 8 from top to bottom Plate is packed by inserting groove and is extended downward at electromagnetic lock 13, is provided in the bottom of lockplate and is matched with the lock tongue of electromagnetic lock 13 The lockhole of conjunction, to realize the locking to shield 1.Electromagnetic lock 13 is connected on circuit board 14, passes through the control electricity on circuit board 14 The movement of road realization electromagnetic lock 13.

It is fingerprint recognition chamber on the right side of electrical chamber, fingerprint module 6 is fixed on that fingerprint recognition is intracavitary, in base housing 8 Opening is provided on right side, be open exposing certainly at the fingerprint recognition of fingerprint module 6, knows convenient for the finger print information to personnel Not.The lower part of fingerprint module 6 is provided with charge port 9, charge port 9 is connected with circuit board 14 in the inside of base housing 8, passes through Charge-discharge control circuit on circuit board 14 charges to battery 15.The signal wire of fingerprint module 6 is simultaneously in base housing 8 Inside is connected with circuit board 14, for the finger print information of identification to be sent to control circuit.

Being arranged side by side on the left side of base housing 8 has key 12 and key switch 11, key 12 and key switch 11 It is connected simultaneously in the inside of base housing 8 with circuit board 14.It is also provided with indicator light aperture on the surface of front shroud 5, is connected to 7 self-indication lamp tapping of indicator light on circuit board 14 exposes, and indicates convenient for the working condition to control circuit.

It is also respectively provided with anti-lost tapered end 3 in the bottom of shield 1 and the bottom of base housing 8, is connected by a chain Two anti-lost tapered ends 3 are connect, shield 1 and base housing 8 are attached by chain, effectively prevent the loss of shield 1.Anti-lost lock First 3 can be realized by arbitrary form, such as connection ring.In this earthing clamp, anti-lost tapered end 3, which includes spaced one group, to be fixed Block, and formed also cross the bolt of two sides fixed block, chain is locked by bolt.

As shown in figure 5, clamp 4 includes the clamp frame 19 of " Contraband " type, clamp frame 19 includes upper and lower two clamp arm and connection The clamp arm linkage section of two clamp arm, the opening of clamp frame 19 are the clamp port being clamped with above-mentioned ground terminal.In clamp 4 and pedestal shell When body 8 is installed, the clamp arm of its underpart is packed into the mounting groove at 8 top of base housing, and clamp port is integrally located at 8 top surface of base housing Top.The ground line fixing bolt 16 through its front/rear end, above-mentioned ground line terminal 2 are provided on clamp arm linkage section The side for being fixed on clamp 4 by being grounded fixing bolt 16.

The threaded hole through its upper and lower end face is provided in a wherein clamp arm, 17 one end of threaded rod and threaded hole cooperate Enter grasping part after the clamp arm, is provided with fixture block 20 in grasping part between two clamp arm, threaded rod 17 enters It is rotatablely connected after grasping part with fixture block 20, therefore is moved back and forth in corresponding clamp arm when threaded rod 17 rotates forward or backwards While will drive fixture block 20 and moved back and forth between two clamp arm.The part that threaded rod 17 is located on the outside of clamp arm is provided with diameter To through-hole, auxiliary rotating bar 18 pass through the through-hole, by setting assist rotating bar 18, can be convenient makes threaded rod 17 carry out week To rotation.The both ends of auxiliary rotating bar 18 are provided with plug, prevent auxiliary rotating bar 18 from dropping out from threaded rod 17.Auxiliary turns The length of lever 18 is less than the internal diameter of shield 1.

As shown in fig. 6, the control circuit being arranged on circuit board 14 includes: microprocessor, indicator light 7, electromagnetic lock 13, refers to Line module 6, wireless communication module, key 12, key switch 11 and locating module.Key 12, key switch 11 and fingerprint The signal output end of module 6 is connected with the signal input part of microprocessor, the signal output end of microprocessor and indicator light 7 and Electromagnetic lock 13 is connected, and the input/output port of microprocessor is bi-directionally connected with locating module and wireless communication module simultaneously.

In this earthing clamp, microprocessor uses commercially available common chip microcontroller；Locating module can be used common Positioning system realizes that such as GPS, the systems such as Beidou such as use dipper system for determining the position of this earthing clamp, can be with The communication with microprocessor is realized using the message sending function of dipper system itself institute band.GPRS can be used in wireless communication module Module is realized.Indicator light 7 is for indicating the worker state machine of control circuit.

Fingerprint module 6 realizes that the fingerprint of staff, key 12 are opened with key for identification using commercially available normally opened product 11 are closed to be used cooperatively with fingerprint module 6.Under normal operating condition, finger is pressed the fingerprint in fingerprint module 6 by staff In identification window, if finger print information matches, the unlocking to electromagnetic lock 13 can be realized by key switch 11, is rotated at this time When key switch 11, key switch 11 issues control signal to microprocessor, under the premise of fingerprint matching, microprocessor control Electromagnetic lock 13 is opened, and shield 1 can be removed, and fail to open electromagnetic lock 13 if fingerprint mismatches.Key 12 is in typing and deletes It is used cooperatively when except finger print information with fingerprint module 6, by the long-pressing and short-press to key 12, fingerprint module 6 is cooperated to be referred to The typing and deletion of line, when carrying out the typing and deletion of fingerprint, microprocessor is needed through wireless communication module and distal end Server realizes communication, and after authorized information, microprocessor can carry out typing or deletion to finger print information.

Specific work process and working principle are as follows:

This earthing clamp when not in use, shield 1 is locked in base housing 8.When staff needs to use this ground connection When the temporary ground wire of wire clamp composition is worked, finger is placed at the fingerprint recognition window of fingerprint module 6 by staff, so Key turns key switch 11 is used afterwards, and under the premise of fingerprint matching, microprocessor controls electromagnetic lock 13 and opens completion to shield The unlocking of cover 1, unlocking rear shield 1 can be removed, and fail to open electromagnetic lock 13 if fingerprint mismatches, therefore avoid work people Member arbitrarily takes to this earthing clamp.

After shield 1 is removed, staff makes threaded rod 17 rotate (being defined as rotating forward) by auxiliary rotating bar 18, this When threaded rod 17 constantly screw out grasping part, and between being further driven to fixture block 20 and fitting closely the inside of clamp arm far from being formed Away from when spacing enough clamps the ground terminal of bottom surface, fixture block 20 clamps ground terminal with corresponding clamp arm, then Auxiliary rotating bar 18 is rotated backward, so that fixture block 20 is being promoted in clamped condition and is being pressed from both sides ground terminal by threaded rod 17 Tightly.

After fixture block 20 clamps the ground terminal on ground, needs to threaded rod 17 and carry out the auxiliary progress of rotating bar 18 Locking, staff is by the inserting groove of 8 upper end of lockplate inserted base shell of shield 1, when the lockhole of lockplate bottom passes through When at the lock tongue of electromagnetic lock 13, electromagnetic lock 13 locks shield 1, and shield 1 is by the auxiliary rotating bar 18 of 4 upper end of clamp at this time It is provide with inside it, other people is avoided to rotate auxiliary connecting rod at any time.Then staff is by the wire clamp of the earth lead other end It is articulated on power transmission line, completes the installation of temporary ground wire, start the tour or maintenance that carry out power transmission line.In maintenance process, Locating module obtain location information send constantly into microprocessor, microprocessor by wireless communication module by location information not Disconnected transmission outward, what receiving end passed through that the information received judges this earthing clamp uses position, realizes supervision.

After maintenance finishes, staff removes the wire clamp being articulated on power transmission line from power transmission line, then according to Above-mentioned identical mode is unlocked, and removes shield 1 after unlocking, then by assisting rotating bar 18 by clamp 4 and ground terminal Separation, and again lock shield 1 and base housing 8, complete entire maintenance process.

The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent The equivalent embodiment of variation.But it is all without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real Matter any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the guarantor of technical solutions of the utility model Protect range.

Claims (10)

1. a kind of earthing clamp based on shield locking is provided in clamp port to ground connection including the clamp (4) equipped with clamp port The clamping component clamped is held, includes the adjustable side that the clamped condition of clamping component is adjusted in clamping component, it is special Sign is: being provided with earthing clamp pedestal, the clamp (4) is fixed on ground line pedestal top and exposes clamp port；It is connecing The top of ground clamp pedestal is equipped with shield (1), and the adjustable side is located at it after shield (1) and the installation of earthing clamp pedestal Inside, the interior lock body for being equipped with locking shield (1) of earthing clamp pedestal.

2. the earthing clamp according to claim 1 based on shield locking, it is characterised in that: the earthing clamp pedestal packet It includes base housing (8), the lock body is the electromagnetic lock (13) being arranged in base housing (8) inner cavity, the lock tongue of electromagnetic lock (13) Outside and the control unlatching of the control circuit by being similarly positioned in base housing (8) inner cavity towards base housing (8).

3. the earthing clamp according to claim 2 based on shield locking, it is characterised in that: shield (1) includes lockplate, The side of base housing (8) is provided with the inserting groove opened up downwards, inserting groove extends at the lock tongue of the electromagnetic lock (13), Lockplate is packed into the lockhole of its bottom and lock tongue cooperation after inserting groove and completes locking, and it is right that lockplate upper end is provided with that Open Side Down The cover that clamp (4) is provide with.

4. the earthing clamp according to claim 2 based on shield locking, it is characterised in that: the control circuit includes Microprocessor, fingerprint module (6), key switch (11), key (12) and the electromagnetic lock (13), key (12), key are opened The signal output end for closing (11) and fingerprint module (6) is connected with the signal input part of microprocessor, and the signal of microprocessor is defeated Outlet is connected with electromagnetic lock (13)；Control circuit further includes locating module and wireless communication module, locating module, wireless telecommunications Module is bi-directionally connected with microprocessor.

5. the earthing clamp according to claim 4 based on shield locking, it is characterised in that: the key (12) refers to The fingerprint recognition window of line module (6) and the key mouth of key switch (11) are provided in two end side surfaces of base housing (8).

6. the earthing clamp according to claim 2 based on shield locking, it is characterised in that: in the base housing (8) The bottom of inner cavity is also placed with battery (15), and be arranged that promising battery (15) charges on the side of base housing (8) fills Power port (9).

7. the earthing clamp according to claim 2 based on shield locking, it is characterised in that: in the base housing (8) Front end face be provided with the front shroud (5) blocked to the inner cavity of base housing (8).

8. the earthing clamp according to claim 1 based on shield locking, it is characterised in that: the clamp (4) includes Clamp frame (19) two clamp arm and connects the clamp arm linkage sections of two clamp arm and forms the clamping in clamp frame (19) up and down Mouthful, the clamping component enters in clamp port after the clamp arm of upper end, and is matched for clamping tightly with the clamp arm of lower end；The clamp arm of lower end It is fitted into the groove of earthing clamp susceptor surface and fixed by more clamp fixing bolts (10).

9. the earthing clamp according to claim 8 based on shield locking, it is characterised in that: the clamping component includes Fixture block (20) in clamp port, adjustable side include threaded rod (17) and auxiliary rotating bar (18), and threaded rod (17) is vertical It is threadedly coupled across upper end clamp arm and with upper end clamp arm, threaded rod (17) lower end is flexibly connected with fixture block (20), assists rotating bar (18) horizontal through threaded rod (17).

10. a kind of utilize temporary ground wire made of the described in any item earthing clamps based on shield locking of claim 1 ~ 9, It is characterized by: being provided with earth lead, earth lead is fixed on clamp by the way that the ground line terminal (2) of one end is arranged in (4) side.