CN111883333B

CN111883333B - Transformer anti-theft device

Info

Publication number: CN111883333B
Application number: CN202010804433.8A
Authority: CN
Inventors: 陈骏
Original assignee: Zhejiang Guangxia Construction Vocational and Technical University
Current assignee: Guangdong Yuete Transformer Co ltd; Hefei Jiuzhou Longteng Scientific And Technological Achievement Transformation Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-05-04
Anticipated expiration: 2040-08-12
Also published as: CN111883333A

Abstract

A transformer anti-theft device comprises an anti-theft shell and a cover body, wherein four internal thread holes with downward openings and distributed in a matrix are formed in the cover body, an installation cavity with an upward opening and used for installing a transformer is formed in the anti-theft shell, four transmission cavities distributed in a matrix are formed in the upper portion of the anti-theft shell, and bolts with upper ends extending out of the anti-theft shell and matched with the internal thread holes are rotatably installed in the top wall of each transmission cavity; after the transformer is installed, the device can complete the rotation of the four bolts and screw the bolts into the internal thread holes only by screwing the outer hexagonal end part, so that the cover body can be quickly closed, and a lawless person can hardly open the cover body to destroy or steal the transformer because the bolts are not exposed outside.

Description

Transformer anti-theft device

Technical Field

The invention relates to the field of transformers, in particular to an anti-theft device for a transformer.

Background

The transformer of outdoor usefulness often installs on the support to can carry out voltage control to nearby consumer, but outdoor transformer often is unattended, and a lot of lids are direct with a lot of bolt fastening, need spend a lot of time and manpower when installation and dismantlement on the one hand, and on the other hand, this kind of bolt generally all exposes outside, very easily by lawless persons dismantlement or destruction, the transformer can suffer thief often and steal, this can influence the use of consumer, for example traffic signal lamp, street lamp etc..

Disclosure of Invention

The invention aims to provide an anti-theft device for a transformer, which is used for overcoming the defects in the prior art.

The invention relates to a transformer anti-theft device, which comprises an anti-theft shell and a cover body, wherein four internal thread holes with downward openings and distributed in a matrix are arranged in the cover body, an installation cavity with an upward opening and used for installing a transformer is arranged in the anti-theft shell, four transmission cavities distributed in a matrix are arranged at the upper part of the anti-theft shell, bolts with upper ends extending out of the anti-theft shell and matched with the internal thread holes are rotatably arranged in the top wall of the transmission cavities, first bevel gears fixedly connected with the bolts are arranged in the transmission cavities, a first rotating shaft is rotatably arranged between the two transmission cavities at the front side, the first rotating shaft extends into the transmission cavities and is fixedly provided with second bevel gears meshed with the first bevel gears, a second rotating shaft is rotatably arranged between the transmission cavities at the front side and the transmission cavities at the rear side, the second rotating shaft extends into the transmission cavities and is fixedly provided with third bevel gears meshed with the first, the transmission chamber below of left front side is provided with the operation chamber, left front side the bolt downwardly extending extremely in the operation chamber and fixed mounting have the worm wheel, operation chamber left side is provided with and is used for the drive worm wheel pivoted drive assembly, the drive assembly below is provided with the adsorption component who adsorbs the instrument of doing a case, alarm device is installed to theftproof casing left side lower part.

According to a further technical scheme, the driving assembly comprises a rotating groove which is positioned on the left side of the operation cavity, a spline shaft is rotatably arranged between the rotating groove and the operation cavity, a spline sleeve which is in spline fit with the spline shaft is arranged in the rotating groove, the left end of the spline sleeve is provided with an outer hexagonal end part, the right end of the spline sleeve is provided with an annular groove, the right end of the spline shaft extends into the operation cavity and is fixedly provided with a fourth bevel gear, a worm shaft which is in spline fit with the worm wheel is rotatably arranged between the front end wall and the rear end wall of the operation cavity, a fifth bevel gear which is meshed with the fourth bevel gear is also fixedly arranged on the worm shaft, a first limiting groove is arranged above the rotating groove, a first limiting block is slidably arranged in the first limiting groove, a rotating block which is fixedly connected with the first limiting block is rotatably arranged in the annular groove, and a first jacking spring which is abutted against the first limiting block, and a sealing component for sealing the rotating groove is further arranged on the left side of the operating cavity.

Further technical scheme, the seal assembly includes the perpendicular to the sliding tray that rotates the groove, slidable mounting has the seal plate that the right-hand member face has the rack in the sliding tray, be provided with opening thread groove up in the seal plate, screw-thread fit installs the screw thread axle in the thread groove, screw thread axle upper end and fixed mounting are in motor power in the sliding tray roof is connected, seal plate left end face downside be provided with the same size's of rotation groove trigger switch, the sliding tray right side is provided with and is used for the drive the spline housing slides left and makes outer hexagonal tip stretches out the pulling subassembly of theftproof casing, the motor top is provided with bluetooth connection module.

A further technical scheme, the pulling subassembly is including setting up the wire winding groove of sliding tray right-hand member wall upside, rotate between the end wall around the wire winding groove and install the third axis of rotation, fixed mounting in the third axis of rotation can with rack toothing's on the closing plate gear, the gear front side still be provided with third axis of rotation fixed connection's reel, first spacing groove left side intercommunication is provided with the pulley chamber, install the fixed pulley in the pulley chamber, the pulley chamber with the intercommunication is provided with the wire winding groove between the wire winding groove, fixed mounting has the rope on the reel, the rope passes the wire winding groove and walk around the fixed pulley and with first stopper fixed connection.

Further technical scheme, the adsorption component includes the flexible groove of opening towards left, slidable mounting has the electro-magnet of being connected with trigger switch in the flexible groove, the electro-magnet left end sets up to globular, flexible groove top is provided with the second spacing groove, second spacing inslot slidable mounting have with electro-magnet fixed connection's second stopper, second spacing groove left end wall fixed mounting have with the second roof pressure spring that the second stopper offseted, flexible groove below is provided with the safety net subassembly that prevents the implement of doing a case and drop.

In a further technical scheme, the safety net component comprises a containing groove which is positioned below the telescopic groove and has an opening facing to the left, swing rods are symmetrically hinged at the front and the back of the left side of the bottom wall of the containing groove, a safety net is arranged between the two swing rods, a lifting groove is arranged between the accommodating groove and the telescopic groove, a lifting block is slidably arranged in the lifting groove, a ball is rotatably arranged in the upper end surface of the lifting block, a third limiting groove is arranged in the right end wall of the accommodating groove, a third limiting block fixedly connected with the lifting block is slidably arranged in the third limiting groove, a third top pressure spring abutting against the third limiting block is fixedly arranged on the top wall of the third limiting groove, the connecting rod is installed in the symmetry rotation around the lifter left end face downside, the connecting rod is kept away from the one end rotation of lifter is installed the swinging arms right-hand member face upside.

In a further technical scheme, the alarm device comprises a communication module for sending alarm information and positioning to a public security system and an alarm for generating alarm sound.

According to a further technical scheme, a storage battery powered by mains supply is further installed in the anti-theft shell, and the storage battery is connected with the alarm device, the motor, the electromagnet, the Bluetooth connecting module and the trigger switch.

The beneficial effects are that: after the transformer is installed, the four bolts can be rotated and screwed into the internal thread hole only by screwing the outer hexagonal end part, so that the cover of the cover body can be quickly closed, and the bolts are not exposed outside, so that a lawless person can hardly open the cover body to destroy or steal the transformer, the lawless person can trigger the alarm device and the electromagnet to generate magnetism when destroying the sealing plate, the electromagnet can adsorb a tool to prevent the lawless person from being damaged, and the electromagnet can slide leftwards, so that the injury caused by the fact that the hands or other parts of the lawless person are clamped between the tool and the antitheft shell can be avoided.

Drawings

FIG. 1 is a schematic structural diagram of the anti-theft device for transformer of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in the direction of the arrows;

fig. 3 is an enlarged view of the closure plate 28 of fig. 1.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1-3, an anti-theft device for a transformer according to an embodiment of the present invention includes an anti-theft housing 10 and a cover 36, wherein four internal threaded holes with downward openings and distributed in a matrix are formed in the cover 36, an installation cavity 38 with an upward opening and used for installing a transformer is formed in the anti-theft housing 10, four transmission cavities 34 distributed in a matrix are formed in an upper portion of the anti-theft housing 10, a bolt 33 with an upper end extending out of the anti-theft housing 10 and matching with the internal threaded hole is rotatably installed in a top wall of the transmission cavity 34, a first bevel gear 32 fixedly connected to the bolt 33 is arranged in the transmission cavity 34, a first rotating shaft 37 is rotatably installed between two transmission cavities 34 on a front side, the first rotating shaft 37 extends into the transmission cavity 34 and is fixedly installed with a second bevel gear 35 engaged with the first bevel gear 32, and a second rotating shaft 39 is rotatably installed between the transmission cavity 34 on the front side and the transmission cavity, the second rotating shaft 39 extends into the transmission cavity 34 and is fixedly provided with a third bevel gear 29 meshed with the first bevel gear 32, an operation cavity 54 is arranged below the transmission cavity 34 on the left front side, the bolt 33 on the left front side extends downwards into the operation cavity 54 and is fixedly provided with a worm wheel 55, a driving assembly used for driving the worm wheel 55 to rotate is arranged on the left side of the operation cavity 54, an adsorption assembly used for adsorbing a case making tool is arranged below the driving assembly, and an alarm device 11 is arranged on the lower portion of the left side of the anti-theft shell 10.

Advantageously or exemplarily, the driving assembly includes a rotating groove 27 located at the left side of the operating chamber 54, a spline shaft 50 is rotatably installed between the rotating groove 27 and the operating chamber 54, a spline housing 49 spline-engaged with the spline shaft 50 is disposed in the rotating groove 27, the spline housing 49 is provided at the left end with an outer hexagonal end portion 48, an annular groove 81 is disposed at the right end of the spline housing 49, the spline shaft 50 extends into the operating chamber 54 at the right end and is fixedly installed with a fourth bevel gear 51, a worm shaft 53 engaged with the worm gear 55 is rotatably installed between the front and rear end walls of the operating chamber 54, a fifth bevel gear 52 engaged with the fourth bevel gear 51 is further fixedly installed on the worm shaft 53, a first limiting groove 57 is disposed above the rotating groove 27, a first limiting block 56 is slidably installed in the first limiting groove 57, a rotating block 82 fixedly connected with the first limiting block 56 is rotatably installed in the annular groove 81, a first top pressure spring 58 which is abutted against the first limiting block 56 is installed on the left end wall of the first limiting groove 57, and a sealing component for sealing the rotating groove 27 is further arranged on the left side of the operating cavity 54.

Beneficially or exemplarily, the closing assembly comprises a sliding groove 40 perpendicular to the rotating groove 27, a closing plate 28 with a rack on the right end face is slidably mounted in the sliding groove, a threaded groove 44 with an upward opening is formed in the closing plate 28, a threaded shaft 41 is threadedly mounted in the threaded groove 44 in a matching manner, the upper end of the threaded shaft 41 is in power connection with a motor 30 fixedly mounted in the top wall of the sliding groove 40, a trigger switch 47 with the same size as the rotating groove 27 is arranged on the lower side of the left end face of the closing plate 28, a pulling assembly for driving the spline sleeve 49 to slide leftwards to enable the outer hexagonal end 48 to extend out of the antitheft housing 10 is arranged on the right side of the sliding groove 40, and a bluetooth connection module 31 is arranged above the motor 30.

Beneficially or exemplarily, the pulling assembly includes a wire winding groove 60 disposed on an upper side of a right end wall of the sliding groove 40, a third rotating shaft 59 is rotatably mounted between front and rear end walls of the wire winding groove 60, a gear 62 which can be engaged with the rack on the closing plate 28 is fixedly mounted on the third rotating shaft 59, a reel 61 fixedly connected with the third rotating shaft 59 is further disposed on a front side of the gear 62, a pulley cavity 46 is disposed on a left side of the first limiting groove 57 in a communicating manner, a fixed pulley 45 is mounted in the pulley cavity 46, a wire passing groove 42 is disposed between the pulley cavity 46 and the wire winding groove 60 in a communicating manner, a rope 43 is fixedly mounted on the reel 61, and the rope 43 passes through the wire passing groove 42 and bypasses the fixed pulley 45 to be fixedly connected with the first limiting block 56.

Beneficially or exemplarily, the adsorption assembly includes a telescopic groove 22 with an opening facing left, an electromagnet 23 connected to a trigger switch 47 is slidably mounted in the telescopic groove 22, the left end of the electromagnet 23 is set to be spherical, a second limit groove 24 is disposed above the telescopic groove, a second limit block 26 fixedly connected to the electromagnet 23 is slidably mounted in the second limit groove 24, a second jacking spring 25 abutting against the second limit block 26 is fixedly mounted on the left end wall of the second limit groove 24, and a safety net assembly for preventing the case implement from falling is disposed below the telescopic groove 22.

Advantageously or exemplarily, wherein the safety net assembly comprises a receiving groove 14 which is positioned below the telescopic groove 22 and opens to the left, swing rods 19 are symmetrically hinged at the front and the back of the left side of the bottom wall of the containing groove 14, a safety net 18 is arranged between the two swing rods 19, a lifting groove 21 is arranged between the accommodating groove 14 and the telescopic groove 22, a lifting block 13 is slidably arranged in the lifting groove 21, a ball 20 is rotatably arranged in the upper end surface of the lifting block 13, a third limit groove 15 is arranged in the right end wall of the accommodating groove 14, a third limiting block 12 fixedly connected with the lifting block 13 is slidably mounted in the third limiting groove 15, a third top pressure spring 16 which is propped against the third limiting block 12 is fixedly arranged on the top wall of the third limiting groove 15, the connecting rod 17 is installed in the symmetry rotation around the left end face downside of lifter 13, the connecting rod 17 is kept away from the one end rotation of lifter 13 is installed the right-hand member face upside of swinging arms 19.

Advantageously or exemplarily, the alarm device 11 comprises a communication module for sending alarm messages and positioning to the public security system and an alarm for generating an alarm sound.

Advantageously or exemplarily, a storage battery powered by the mains supply is further installed in the anti-theft housing 10, and the storage battery is connected with the alarm device 11, the motor 30, the electromagnet 23, the bluetooth connection module 31 and the trigger switch 47, so that the storage battery provides the alarm device 11, the motor 30, the electromagnet 23, the bluetooth connection module 31 and the trigger switch 47 with the required power.

In an initial state, under the action of the third jacking spring 16, the lifting block 13 abuts against the bottom wall of the accommodating groove 14, the safety net 18 is located in the accommodating groove 14, the electromagnet 23 is in a power-off state, under the action of the second limiting block 26, the electromagnet 23 is contracted in the telescopic groove 22, the closing plate 28 abuts against the bottom wall of the sliding groove 40, and under the action of the first jacking spring 58, the spline sleeve 49 abuts against the right end wall of the rotating groove 27.

After the transformer is installed in the installation cavity 38, an electric power worker connects the bluetooth connection module 31 by using a terminal, controls the motor 30 to operate by the terminal, the motor 30 drives the threaded shaft 41 to rotate, thereby driving the closing plate 28 to slide upwards to open the rotating slot 27, after the closing plate 28 slides upwards, the rack thereon is matched with the gear 62, thereby driving the gear 62 to rotate clockwise, the reel 61 winds the rope 43, thereby driving the first stopper 56 to slide leftwards to make the outer hexagonal end portion 48 extend out of the anti-theft housing 10, then covers the cover 36 on the anti-theft housing 10 with the internal threaded hole aligned with the bolt 33, then tightens the outer hexagonal end portion 48 by using a wrench to rotate the spline housing 49, the spline housing 49 drives the spline shaft 50 to rotate, and the spline shaft 50 drives the worm shaft 53 to rotate by using a fourth bevel gear 51 and a fifth bevel gear 52, the worm shaft 53 drives the bolts 33 to rotate through the worm wheel 55, the four bolts 33 simultaneously rotate under the action of the second bevel gear 35, the first rotating shaft 37, the third bevel gear 29 and the second rotating shaft 39, and can be screwed into the internal threaded holes, when the cover 36 abuts against the antitheft housing 10, the motor 30 is reversely started to make the closing plate 28 slide downwards in the downward sliding process of the closing plate 28, the spline shaft 50 slides rightwards under the action of the first jacking spring 58, and after the spline shaft 50 abuts against the right end wall of the rotating groove 27, the closing plate 28 passes through the rotating groove 27 to block the rotating groove 27;

when a lawless person wants to open the cover 36, the bolt 33 is not exposed outside, so that the lawless person cannot get down the hand, and the lawless person wants to break the closing plate 28, the trigger switch 47 is triggered when the lawless person wants to break the closing plate 28, when the trigger switch 47 is triggered, the alarm device 11 operates, the electromagnet 23 is energized to generate magnetism, the electromagnet 23 attracts tools of the lawless person, when the electromagnet 23 generates magnetism, the ball 20 is attracted to slide upwards, the lifting block 13 also slides upwards, and the swinging rod 19 is overturned outwards by the action of the connecting rod 17 of the lifting block 13, so that the safety net 18 can be overturned outwards, and the tools can be prevented from falling.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. The utility model provides a transformer anti-theft device, includes theftproof casing and lid, its characterized in that: four internal thread holes with downward openings and distributed in a matrix are arranged in the cover body, an installation cavity with upward openings and used for installing a transformer is arranged in the anti-theft shell, four transmission cavities distributed in a matrix are arranged at the upper part of the anti-theft shell, a bolt with the upper end extending out of the anti-theft shell and matched with the internal thread hole is rotatably arranged in the top wall of the transmission cavity, a first bevel gear fixedly connected with the bolt is arranged in the transmission cavity, a first rotating shaft is rotatably arranged between the two transmission cavities at the front side, the first rotating shaft extends into the transmission cavity and is fixedly provided with a second bevel gear meshed with the first bevel gear, a second rotating shaft is rotatably arranged between the transmission cavity at the front side and the transmission cavity at the rear side, the second rotating shaft extends into the transmission cavity and is fixedly provided with a third bevel gear meshed with the first bevel gear, an operation cavity is arranged below the transmission cavity at the left front, the bolt on the left front side extends downwards into the operation cavity and is fixedly provided with a worm wheel, a driving assembly for driving the worm wheel to rotate is arranged on the left side of the operation cavity, an adsorption assembly for adsorbing a counter tool is arranged below the driving assembly, and an alarm device is arranged on the lower portion of the left side of the anti-theft shell;

the driving assembly comprises a rotating groove positioned on the left side of the operation cavity, a spline shaft is rotatably arranged between the rotating groove and the operation cavity, a spline housing in spline fit with the spline shaft is arranged in the rotating groove, the left end of the spline housing is provided with an outer hexagonal end part, the right end of the spline housing is provided with an annular groove, the right end of the spline shaft extends into the operation cavity and is fixedly provided with a fourth bevel gear, a worm shaft matched with the worm gear is rotatably arranged between the front end wall and the rear end wall of the operation cavity, a fifth bevel gear meshed with the fourth bevel gear is also fixedly arranged on the worm shaft, a first limiting groove is arranged above the rotating groove, a first limiting block is slidably arranged in the first limiting groove, a rotating block fixedly connected with the first limiting block is rotatably arranged in the annular groove, and a first jacking spring abutting against the first limiting block is arranged on the left end wall of the first limiting groove, a sealing component for sealing the rotating groove is further arranged on the left side of the operating cavity;

the sealing assembly comprises a sliding groove perpendicular to the rotating groove, a sealing plate with a rack on the right end face is slidably mounted in the sliding groove, a threaded groove with an upward opening is formed in the sealing plate, a threaded shaft is mounted in the threaded groove in a threaded fit manner, the upper end of the threaded shaft is in power connection with a motor fixedly mounted in the top wall of the sliding groove, a trigger switch with the same size as the rotating groove is arranged on the lower side of the left end face of the sealing plate, a pulling assembly used for driving the spline sleeve to slide leftwards to enable the outer hexagonal end portion to extend out of the anti-theft shell is arranged on the right side of the sliding groove, and a Bluetooth connecting module is arranged above the motor;

the pulling assembly comprises a wire winding groove arranged on the upper side of the right end wall of the sliding groove, a third rotating shaft is rotatably arranged between the front end wall and the rear end wall of the wire winding groove, a gear which can be meshed with the rack on the closing plate is fixedly arranged on the third rotating shaft, a wire winding wheel fixedly connected with the third rotating shaft is further arranged on the front side of the gear, a pulley cavity is communicated with the left side of the first limiting groove, a fixed pulley is arranged in the pulley cavity, a wire passing groove is communicated between the pulley cavity and the wire winding groove, a rope is fixedly arranged on the wire winding wheel, and the rope passes through the wire passing groove and bypasses the fixed pulley to be fixedly connected with the first limiting block;

the adsorption assembly comprises a telescopic groove with an opening facing left, an electromagnet connected with a trigger switch is slidably mounted in the telescopic groove, the left end of the electromagnet is spherical, a second limiting groove is arranged above the telescopic groove, a second limiting block fixedly connected with the electromagnet is slidably mounted in the second limiting groove, a second jacking spring abutting against the second limiting block is fixedly mounted on the left end wall of the second limiting groove, and a safety net assembly for preventing a case tool from falling is arranged below the telescopic groove;

safety net subassembly is including being located flexible groove below and opening are towards the groove of accomodating of a left side, accomodate the articulated swinging arms of symmetry around the groove diapire left side, install the safety net between two swinging arms, accomodate the groove with be provided with the lift groove between the flexible groove, slidable mounting has the elevator in the lift groove, the ball is installed in the rotation in the elevator up end, accomodate and be provided with the third spacing groove in the groove right-hand member wall, slidable mounting has in the third spacing groove with elevator fixed connection's third stopper, third spacing groove roof fixed mounting have with the third roof pressure spring that the third stopper offseted, the connecting rod is installed in the symmetry rotation around the elevator left end face downside, the connecting rod is kept away from the one end of elevator is rotated and is installed the swinging arms right-hand member face upside.

2. The transformer antitheft device according to claim 1, characterized in that: the alarm device comprises a communication module for sending alarm information and positioning to a public security system and an alarm for generating alarm sound.

3. The transformer antitheft device according to claim 1, characterized in that: still install the battery by commercial power supply in the theftproof casing, the battery with alarm device, motor, electro-magnet, bluetooth connection module and trigger switch are connected.