CN212359396U - Grading anti-misoperation ground wire lock with states - Google Patents

Abstract

The utility model relates to the technical field of power equipment, and discloses a grading mistake-proof ground wire lock with states, which comprises a lock body and a lock core arranged in the lock body, wherein a ground wire hole for inserting a ground wire joint is formed in the lock body; the lock core comprises a lock core shell, a rotating core arranged in the lock core shell and a plurality of pin assemblies axially arranged in the lock core shell, wherein the pin assemblies are used for preventing or releasing the limit of the rotating core relative to the lock core shell, and the lock core can be graded in the axial direction by setting the positions and the depths of the pin assemblies; the outer end of the lock cylinder shell is provided with an unlocking hole, the hole wall of the unlocking hole is provided with at least one limiting clamping groove and/or limiting clamping block, and combinations of different numbers and positions can be set so as to realize grading of the lock cylinder in the circumferential direction, and mutual combination of grading in the axial direction and the circumferential direction, thereby facilitating field management.

Description

Grading anti-misoperation ground wire lock with states

Technical Field

The utility model relates to a power equipment technical field especially relates to a mistake ground wire lock is prevented in grading of taking state.

Background

In order to maintain the safety of the operation of the power grid, the lines and electrical equipment need to be detected or periodically overhauled and maintained before being put into operation. In the detection and maintenance operations of the electrical equipment, temporary ground wires are required to be hung before maintenance and detection for ensuring the life safety of operators, and meanwhile, the operation safety of the whole power grid in the power transmission process after maintenance can be ensured. In the prior art, a ground wire lock is usually installed at a ground wire connector or a ground pile hole, the ground wire lock is opened when a ground wire is hung and removed, and the ground wire lock is closed when electrical equipment is overhauled and maintained. However, the existing ground line lock generally has no grading function, so that one key can unlock the ground line lock in all areas, which brings inconvenience to field management.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of above-mentioned prior art, the utility model provides a mistake ground wire lock is prevented in grading of band status has solved the problem that current ground wire lock does not possess the grading function in one aspect of it.

The utility model provides a technical scheme that its technical problem adopted does:

a grading error-preventing ground wire lock with states comprises a lock body and a lock cylinder arranged in the lock body, wherein a ground wire hole for inserting a ground wire joint is formed in the lock body, an unlocking and locking assembly is arranged in the lock body, a clamping block is arranged at the output end of the unlocking and locking assembly, and the output end of the lock cylinder can control the clamping block to extend into or withdraw from the ground wire hole; the lock core comprises a lock core shell, a rotating core arranged in the lock core shell and a plurality of spring assemblies axially arranged in the lock core shell, wherein the spring assemblies are used for preventing or releasing the limit of the rotating core relative to the lock core shell, the outer end of the lock core shell is provided with an unlocking hole, and the hole wall of the unlocking hole is provided with at least one limit clamping groove and/or a limit clamping block.

As an improvement of the above technical scheme, a transmission member is arranged between the unlocking and locking assembly and the lock cylinder, an on-off control part is arranged at the inner end of the rotating cylinder, the on-off control part is positioned outside the lock cylinder shell, the on-off control part is inserted in the transmission member, the on-off control part can drive the transmission member to rotate, and the lock cylinder drives the transmission member to control the clamping block to stretch into or withdraw from the ground wire hole.

As an improvement of the above technical scheme, the transmission member includes a transmission member main body and a connection groove provided in the transmission member main body, the switch control portion is inserted in the connection groove, the switch control portion is a polygonal block, and the connection groove is a polygonal groove.

As an improvement of the technical scheme, the transmission part main body is a cylindrical block, and the connecting groove is axially arranged in the center of the cylinder.

As an improvement of the above technical solution, the unlocking and locking assembly includes an unlocking and locking bolt inserted into the lock body, the fixture block is disposed on the unlocking and locking bolt, a shifting groove is formed in the unlocking and locking bolt, a bolt shifting portion is disposed on the transmission member, the bolt shifting portion is inserted into the shifting groove, and the switch control portion can drive the bolt shifting portion to shift the unlocking and locking bolt to move in a direction close to or far away from the ground wire hole, so that the fixture block extends into or withdraws from the ground wire hole.

As an improvement of the above technical solution, the plug pin shifting part is a cylindrical shifting block, the cylindrical shifting block is eccentrically arranged relative to the rotation center of the transmission member, the width of the shifting groove perpendicular to the movement direction of the unlocking and locking plug pin is greater than the diameter of the cylindrical shifting block, and the cylindrical shifting block can slide in the shifting groove; or the bolt shifting part is a cam, the rotating central shaft of the cam is collinear with the rotating central shaft of the transmission part, and the cam can rotate in the shifting groove.

As an improvement of the above technical solution, the unlocking and locking assembly further includes a return spring, an inner end of the return spring abuts against an outer end of the unlocking and locking bolt, and the return spring is used for driving the unlocking and locking bolt to move towards a direction close to the ground wire hole.

As the improvement of above-mentioned technical scheme, be equipped with the bolt pilot hole that communicates each other with the ground wire hole in the lock body, unblock bolt and reset spring all set up in the bolt pilot hole, be equipped with the plug member in the bolt pilot hole, reset spring's outer end butt plug member.

As an improvement of the above technical solution, a ground wire detection assembly is disposed in the lock body, the ground wire detection assembly includes a code piece and a sensing unit for sensing a ground wire connector, the code piece includes an antenna, the antenna is connected with a first radio frequency chip and a second radio frequency chip, the first radio frequency chip and the second radio frequency chip respectively store two different code values representing a ground wire hooking state and a removal state, the sensing unit is electrically connected with the first radio frequency chip and the second radio frequency chip, and the first radio frequency chip or the second radio frequency chip is switched to be electrically connected with the antenna according to whether the sensing unit senses the ground wire connector.

As an improvement of the above technical solution, the sensing unit includes a reed pipe disposed beside the ground wire hole, a part of the reed pipe is located in the ground wire hole, the lock body is provided with a lock cylinder hole communicated with the ground wire hole, the lock cylinder is inserted into the lock cylinder hole, and the code sheet is disposed at an outer end of the lock cylinder.

The beneficial effects of the utility model are that:

the ground wire lock adopts the lock cylinder to control the fixture block to extend into or withdraw from the ground wire hole so as to lock or unlock the ground wire joint, wherein the lock cylinder is internally provided with a plurality of pin assemblies, and the grading of the lock cylinder in the axial direction can be realized by setting the positions and the depths of the pin assemblies; the limiting clamping grooves and the limiting clamping blocks on the hole wall of the unlocking hole can be combined in different numbers and positions according to requirements so as to realize the grading of the lock cylinder in the circumferential direction; the positions of the limiting clamping groove, the limiting clamping block and the projectile component are different, mutual interference cannot occur, and therefore axial grading and circumferential grading can be combined with each other, so that a more accurate and more-layered partition grading function is achieved, and field management is facilitated. And because the limiting clamping groove or the limiting clamping block is arranged on the hole wall of the unlocking hole, the spring component, the limiting clamping groove and the limiting clamping block can be visually observed from the unlocking hole, so that a user can conveniently search a corresponding key and determine a corresponding level.

Drawings

The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:

fig. 1 is a schematic perspective view of one embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure of one embodiment of the present invention;

fig. 3 is an exploded schematic view of one embodiment of the present invention;

fig. 4 is a partial schematic structural view of one embodiment of the present invention;

fig. 5 is another partial schematic structural diagram of one embodiment of the present invention.

Detailed Description

Referring to fig. 1-5, the staged misoperation prevention ground wire lock with state of the present invention includes a lock body 1 and a lock cylinder 2 disposed in the lock body 1, wherein the lock body 1 is provided with a ground wire hole 11 for inserting a ground wire connector, an unlocking and locking assembly 3 is disposed in the lock body 1, an output end of the unlocking and locking assembly 3 is provided with a fixture block 31, and an output end of the lock cylinder 2 can control the fixture block 31 to extend into or withdraw from the ground wire hole 11; the lock core 2 comprises a lock core shell 21, a rotating core 22 arranged in the lock core shell 21 and a plurality of spring assemblies 23 axially arranged in the lock core shell 21, wherein the spring assemblies 23 are used for preventing or releasing the limit of the rotating core 22 relative to the lock core shell 21, the outer end of the lock core shell 21 is provided with an unlocking hole, the hole wall of the unlocking hole is provided with at least one limit clamping groove 211 and/or a limit clamping block 212, and the axial direction of the lock core 2 is taken as a reference.

Wherein, the bullet assemblies 23 can be provided with a plurality of sets as required, four sets in fig. 4, the bullet assemblies 23 are used for moving under the conflict of the key and enabling the rotary core 22 to rotate relative to the lock core shell 21, the grading of the lock core in the axial direction is realized by setting the position and the depth of the bullet assemblies 23, the specific mechanism of the bullet assemblies can be various, such as the structure of a clutch disc disclosed in patent CN105545103A or the scheme disclosed in patent CN107178250A, and the description of the bullet assemblies will not be further expanded in the present application.

Furthermore, the combination of different numbers and positions of the limiting clamping grooves 211 and the limiting clamping blocks 212 can be set according to requirements, so that the grading of the lock cylinder in the circumferential direction is realized, that is, the specific numbers and positions of the limiting clamping grooves 211 and the limiting clamping blocks 212 can be various, for example, the following ones.

Referring to fig. 4 again, the hole wall of the unlocking hole is provided with one limiting clamping groove 211 and three limiting clamping blocks 212, the one limiting clamping groove 211 and the three limiting clamping blocks 212 are uniformly distributed along the hole wall of the unlocking hole, the limiting clamping grooves 211, the limiting clamping blocks 212 and the spring assembly 23 are arranged in a staggered mode in the axial direction, and the axial direction of the limiting clamping groove 211, the limiting clamping blocks 212 and the spring assembly 23 is the axial direction of the lock cylinder 2 as a reference. The lock cylinder is defined as a first lock cylinder, a key for opening the lock cylinder is defined as a first key, and three avoidance grooves corresponding to the positions of the limiting fixture blocks 212 are formed in the first key.

Or, a limiting clamping groove 211 and two limiting clamping blocks 212 are arranged on the hole wall of the unlocking hole, the position relation between the limiting clamping groove 211 and the two limiting clamping blocks 212 is that, on the basis of the first lock cylinder structure, one limiting clamping block 212 is arbitrarily removed, so that two different lock cylinder structures can be formed, the two lock cylinders are defined as a second lock cylinder and a third lock cylinder respectively, keys for opening the second lock cylinder and the third lock cylinder are defined as a second key and a third key respectively, and two avoiding grooves corresponding to the positions of the limiting clamping blocks 212 are arranged on the second key and the third key respectively.

Specifically, the first key is provided with three avoiding grooves, and the three avoiding grooves can avoid two limiting clamping blocks 212 of the second lock cylinder and two limiting clamping blocks 212 of the third lock cylinder, so that the first key can open the second lock cylinder and the third lock cylinder. And the second key and the third key can not avoid one of the limiting fixture blocks 212 of the first lock cylinder, so that the first lock cylinder can not be opened by the second key and the third key. And because the positions of the limiting clamping blocks 212 on the second lock cylinder and the third lock cylinder are different, the second key cannot unlock the second lock cylinder, and the third key cannot unlock the third lock cylinder. Therefore, the grading of the lock cylinders in the circumferential direction is realized through the combination of different numbers and positions of the limiting clamping grooves 211 and the limiting clamping blocks 212, and the management is convenient.

Moreover, the outer end of the rotary core 22 is provided with a key positioning post 221, the outer end of the key positioning post 221 is located in the unlocking hole, and the key positioning post 221 may not extend to the unlocking hole.

In this embodiment, the lock body 1 is provided with a lock cylinder hole 13 communicated with the ground wire hole 11, the lock cylinder 2 is inserted into the lock cylinder hole 13, the lock body 1 is provided with a bolt assembly hole 12 communicated with the ground wire hole 11, and the unlocking and locking assembly 3 is installed in the bolt assembly hole 12. And the axis of the ground wire hole 11, the axis of the plug pin fitting hole 12 and the axis of the cylinder hole 13 are perpendicular to each other two by two.

Further, a positioning block 213 is arranged on the lock cylinder shell 21, a positioning groove is correspondingly arranged in the lock cylinder hole 13, the positioning block 213 is inserted into the positioning groove, a threaded hole is formed in the positioning block 213, a through hole is formed in the lock body 1, and the lock cylinder 2 and the lock body 1 are connected in a mode that the through hole and the threaded hole are penetrated through by screws.

Referring to fig. 2 and 4 again, a transmission member 4 is arranged between the unlocking and locking assembly 3 and the lock cylinder 2, a transmission member mounting hole is arranged on the lock body 1, the transmission member 4 is arranged in the transmission member mounting hole, the transmission member mounting hole is arranged at the inner end of the lock cylinder hole 13, and the transmission member mounting hole is communicated with the lock cylinder hole 13, the bolt assembling hole 12 and the ground wire hole 11. The inner end of the rotating core 22 is provided with a switch control part 24, the switch control part 24 is positioned outside the lock core shell 21, and the switch control part 24 is inserted in the transmission member 4. The specific structure is that the transmission member 4 includes a transmission member main body 41 and a connection groove 42 provided in the transmission member main body 41, and the switch control portion 24 is inserted in the connection groove 42. The switch control portion 24 can drive the transmission member 4 to rotate, and the lock cylinder 2 drives the transmission member 4 to control the latch 31 to extend into or withdraw from the ground wire hole 11.

Specifically, the switch control portion 24 is a polygonal block, and the connecting groove 42 is a polygonal groove into which the polygonal block is inserted. The polygon herein includes a straight line polygon and a curved line polygon. The transmission body 41 is a cylindrical block, and the connecting groove 42 is axially arranged in the center of the cylindrical block. The driving medium mounting hole is a cylindrical hole.

Furthermore, the unlocking and locking assembly 3 comprises an unlocking and locking bolt 32 inserted into the bolt assembling hole 12, the unlocking and locking bolt 32 comprises a bolt main body 323 and a bolt engaging part 322 arranged on one side of the inner end of the bolt main body 323, the bolt main body 323 and the bolt engaging part 322 are in a 7 shape, a notch avoiding the ground wire hole 11 is formed between the bolt main body 323 and the bolt engaging part 322, the fixture block 31 is integrally arranged on the other side of the inner end of the bolt main body 323, and the fixture block 31 is positioned in the notch. The bolt engaging portion 322 is provided with a shifting groove 321, the transmission member body 41 is provided with a bolt shifting portion 43, the bolt shifting portion 43 is inserted into the shifting groove 321, and the switch control portion 24 can drive the bolt shifting portion 43 to shift the unlocking and locking bolt 32 to move towards a direction close to or far away from the ground wire hole 11, so that the fixture block 31 extends into or exits from the ground wire hole 11.

Specifically, the plug pin shifting part 43 is a cylindrical shifting block, the cylindrical shifting block is eccentrically arranged relative to the rotation center of the transmission member 4, the width of the shifting groove 321 perpendicular to the movement direction of the unlocking plug pin 32 is larger than the diameter of the cylindrical shifting block, and the cylindrical shifting block can slide in the shifting groove 321; or the bolt toggle part 43 is a cam, the rotation central axis of the cam is collinear with the rotation central axis of the transmission piece 4, and the cam can rotate in the toggle groove 321.

Moreover, it still includes reset spring 33 to separate shutting subassembly 3, reset spring 33 sets up in bolt pilot hole 12, be equipped with the plug member 5 in the bolt pilot hole 12, reset spring 33's the outer end that the internal butt was separated shutting bolt 32, reset spring 33's the outer end butt plug member 5, reset spring 33 is used for the drive to separate shutting bolt 32 and removes to the direction that is close to ground wire hole 11. The return spring 33 is a compression spring.

In addition, referring to fig. 3, a ground wire detection assembly 6 is disposed in the lock body 1, the ground wire detection assembly 6 includes a code sheet 62 and a sensing unit 61 for sensing a ground wire connector, the code sheet 62 includes an antenna, the antenna is connected with a first radio frequency chip and a second radio frequency chip, the first radio frequency chip and the second radio frequency chip respectively store two different code values representing a ground wire hanging state and a dismounting state, the sensing unit 61 is electrically connected with the first radio frequency chip and the second radio frequency chip, and the first radio frequency chip or the second radio frequency chip is switched to be electrically connected with the antenna according to whether the sensing unit 61 senses the ground wire connector.

Further, the sensing unit 61 includes a reed pipe 611 disposed beside the ground wire hole 11, a part of the reed pipe 611 is located in the ground wire hole 11, the code piece 62 is disposed at the outer end of the lock cylinder 2, a dust cover 65 is disposed outside the code piece 62, and both the code piece 62 and the dust cover 65 are mounted on the lock cylinder housing 21 by screws. An antenna slot communicating with the cylinder hole 13 is provided beside the cylinder hole 13, and the antenna of the code piece 62 is accommodated in the antenna slot.

Specifically, the lock body 1 is further provided with a detection assembly cavity, the detection assembly cavity and the lock cylinder hole 13 are respectively located on two sides of the ground wire hole 11, and the lock body 1 is provided with a cover plate 14 used for covering the detection assembly cavity. The ground wire detection assembly 6 further comprises a mounting seat 63 and a circuit board 64, the mounting seat 63 is fixedly mounted in the detection assembly cavity and is located inside the cover plate 14, the reed pipe 611 and the circuit board 64 are electrically connected and are arranged on the mounting seat 63 together, a convex column 612 is arranged on one surface of the mounting seat 63 facing the ground wire hole 11, the reed pipe 611 is arranged in the convex column 612, a part of the convex column 612 is located in the ground wire hole 11, a circuit board assembly groove is formed in the mounting seat 63, the circuit board 64 is assembled in the circuit board assembly groove, and the circuit board 64 is used for installing various electronic components and corresponding circuits. The circuit board 64 is provided with a state switching circuit.

Furthermore, the circuit board 64 can obtain a trigger signal of the reed switch 611, thereby realizing the detection of the state of whether the ground wire connector is inserted into the ground wire hole 11. The first radio frequency chip and the second radio frequency chip respectively store two different code values representing a ground wire hanging state and a dismounting state, the code value stored by the second radio frequency chip can be defined as a code value of a ground wire non-hanging state (or a ground wire dismounting state code), and the code value stored by the first radio frequency chip is defined as a code value of a ground wire hanging state. The ground wire connector can be provided with a magnetic element, when the ground wire is not connected, the second radio frequency chip is electrically connected with the antenna to form an electronic tag (or a circuit with the function similar to that of the electronic tag), and a user can read the code value of the second radio frequency chip through the code reading device to obtain the current non-connected state (namely the detached state) of the ground wire. When the ground wire joint of the ground wire is inserted into the ground wire hole 11, the reed switch 611 is triggered by the magnetic element, the circuit board 64 acquires the trigger signal of the reed switch, and the state switching circuit electrically connects the first radio frequency chip with the antenna and simultaneously disconnects the second radio frequency chip from the antenna. The first radio frequency chip and the antenna form another electronic tag (or a circuit with a function similar to that of the electronic tag), and a user can read the code value of the first radio frequency chip through the code reading device so as to obtain the current hanging state of the ground wire.

In addition, the state switching circuit can be implemented by various methods, in addition to the state detection by the cooperation of the reed switch and the state switching circuit on the circuit board (for example, the state acquisition circuit described in the invention patent with the patent number "2019104721420" filed by the applicant on 31/5/2019 for detecting the ground wire hanging state is adopted as the state switching circuit of the present application, and the whole content of the patent is incorporated into the present application by reference). For example, in an embodiment, the reed switch 611 may adopt a normally-closed three-terminal reed switch (corresponding to a three-terminal switch) to electrically connect with the antenna and the first and second rf chips, respectively, the first and second rf chips are electrically connected with the antenna after being connected in parallel, and the normally-closed three-terminal reed switch (also referred to as a normally-closed three-pin reed switch) is used as a switch (corresponding to a state switching circuit) to switch the first and second rf chips to be electrically connected with the antenna under different magnetic induction states. In a normal state (i.e., when the ground wire is not hooked), the normally closed three-terminal reed switch is connected to the second radio frequency chip, and after the ground wire is hooked, the normally closed three-terminal reed switch 611 is connected to the first radio frequency chip.

In general, the lock cylinder 2 can be integrated into a module, which is convenient for installation. The unlocking and locking component 3 and the transmission part 4 are simple in structure, convenient to manufacture and low in cost. The lock cylinder 2, the unlocking and locking component 3, the transmission component 4 and the ground wire detection component 6 are respectively installed in a lock cylinder hole 13, a bolt assembling hole 12, a transmission component installing hole and a detection component assembling cavity of the lock body 1, the assembly is simple, and the lock body 1 is easy to process.

The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be all included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.

Claims (10)

1. The utility model provides a hierarchical mistake ground wire lock of preventing of in-band state which characterized in that: the ground wire unlocking device comprises a lock body (1) and a lock cylinder (2) arranged in the lock body (1), wherein a ground wire hole (11) for inserting a ground wire joint is formed in the lock body (1), an unlocking component (3) is arranged in the lock body (1), a clamping block (31) is arranged at the output end of the unlocking component (3), and the clamping block (31) can be controlled by the output end of the lock cylinder (2) to stretch into or withdraw from the ground wire hole (11); the lock cylinder (2) comprises a lock cylinder shell (21), a rotating core (22) arranged in the lock cylinder shell (21) and a plurality of spring assemblies (23) axially arranged in the lock cylinder shell (21), wherein the spring assemblies (23) are used for preventing or releasing the relative spacing of the rotating core (22) relative to the lock cylinder shell (21), an unlocking hole is formed in the outer end of the lock cylinder shell (21), and at least one spacing clamping groove (211) and/or spacing clamping block (212) are formed in the hole wall of the unlocking hole.

2. The staged mistake preventing ground wire lock with state as claimed in claim 1, wherein: be equipped with driving medium (4) between unblock subassembly (3) and lock core (2), the inner of changeing core (22) is equipped with on-off control portion (24), on-off control portion (24) are located outside lock core shell (21), on-off control portion (24) are inserted and are located driving medium (4), on-off control portion (24) can drive driving medium (4) rotatory, lock core (2) stretch into or withdraw from ground line hole (11) with control fixture block (31) through drive driving medium (4).

3. The staged mistake preventing ground wire lock with state as claimed in claim 2, wherein: the transmission piece (4) comprises a transmission piece main body (41) and a connecting groove (42) formed in the transmission piece main body (41), the switch control portion (24) is inserted into the connecting groove (42), the switch control portion (24) is a polygonal block, and the connecting groove (42) is a polygonal groove.

4. The staged mistake preventing ground wire lock with state as claimed in claim 3, wherein: the transmission piece main body (41) is a cylindrical block, and the connecting groove (42) is axially arranged in the center of the cylinder.

5. The staged mistake preventing ground wire lock with state as claimed in claim 2, wherein: the unlocking and locking assembly (3) comprises an unlocking and locking bolt (32) inserted into the lock body (1), the clamping block (31) is arranged on the unlocking and locking bolt (32), a shifting groove (321) is formed in the unlocking and locking bolt (32), a bolt shifting portion (43) is arranged on the transmission piece (4), the bolt shifting portion (43) is inserted into the shifting groove (321), and the switch control portion (24) can drive the bolt shifting portion (43) to shift the unlocking and locking bolt (32) to move towards the direction close to or far away from the ground wire hole (11) so that the clamping block (31) stretches into or withdraws from the ground wire hole (11).

6. The staged mistake preventing ground wire lock with state as claimed in claim 5, wherein: the plug pin shifting part (43) is a cylindrical shifting block, the cylindrical shifting block is eccentrically arranged relative to the rotating center of the transmission piece (4), the width of the shifting groove (321) perpendicular to the moving direction of the unlocking and locking plug pin (32) is larger than the diameter of the cylindrical shifting block, and the cylindrical shifting block can slide in the shifting groove (321); or the bolt toggle part (43) is a cam, the rotating central shaft of the cam is collinear with the rotating central shaft of the transmission piece (4), and the cam can rotate in the toggle groove (321).

7. The staged mistake preventing ground wire lock with state as claimed in claim 5, wherein: the unlocking and locking assembly (3) further comprises a return spring (33), the inner end of the return spring (33) abuts against the outer end of the unlocking and locking bolt (32), and the return spring (33) is used for driving the unlocking and locking bolt (32) to move towards the direction close to the ground wire hole (11).

8. The staged mistake preventing ground wire lock with state as claimed in claim 5, wherein: be equipped with in lock body (1) bolt pilot hole (12) that communicate each other with ground line hole (11), unblock bolt (32) and reset spring (33) all set up in bolt pilot hole (12), be equipped with plug member (5) in bolt pilot hole (12), outer end butt plug member (5) of reset spring (33).

9. The staged mistake preventing ground wire lock with state as claimed in claim 1, wherein: the lock body (1) is internally provided with a ground wire detection assembly (6), the ground wire detection assembly (6) comprises a code sheet (62) and a sensing unit (61) used for sensing a ground wire joint, the code sheet (62) comprises an antenna, the antenna is connected with a first radio frequency chip and a second radio frequency chip, the first radio frequency chip and the second radio frequency chip respectively store two different code values representing a ground wire hanging state and a dismounting state, the sensing unit (61) is electrically connected with the first radio frequency chip and the second radio frequency chip, and the first radio frequency chip or the second radio frequency chip is switched to be electrically connected with the antenna according to whether the sensing unit (61) senses the ground wire joint.

10. The staged mistake preventing ground wire lock with state as claimed in claim 9, wherein: the sensing unit (61) comprises a reed pipe (611) arranged beside a ground wire hole (11), one part of the reed pipe (611) is located in the ground wire hole (11), the lock body (1) is provided with a lock cylinder hole (13) communicated with the ground wire hole (11), the lock cylinder (2) is inserted in the lock cylinder hole (13), and the code sheet (62) is arranged at the outer end of the lock cylinder (2).

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