CN108417454B

CN108417454B - Information protection system

Info

Publication number: CN108417454B
Application number: CN201810209322.5A
Authority: CN
Inventors: 曾欢; 赖建明; 黄文琪
Original assignee: Nanjing Qinhuai Ziyun Chuangyi Enterprise Service Co Ltd
Current assignee: Nanjing Qinhuai Ziyun Chuangyi Enterprise Service Co., Ltd
Priority date: 2018-03-14
Filing date: 2018-03-14
Publication date: 2019-12-06
Anticipated expiration: 2038-03-14
Also published as: CN108417454A

Abstract

The invention discloses an information protection system, which comprises a machine body and a hardware storage cavity, wherein the hardware storage cavity is arranged in the end surface of the left end of the machine body and has a left opening, a first cavity positioned at the right end of the hardware storage cavity is arranged in the machine body, a groove with a downward opening is formed in the inner wall of the top of the hardware storage cavity in a communicating manner, a first guide chute positioned between the first cavity and the hardware storage cavity is formed in the inner wall of the right end of the hardware storage cavity in a communicating manner, a second guide chute extending downwards is formed in the inner wall of the bottom of the first guide chute in a communicating manner, and a second cavity is formed in the inner wall of the right end of the first cavity in; the invention has simple structure, convenient operation, convenient storage, convenient movement and transportation and improves the protection efficiency and effect of the information system.

Description

Information protection system

Technical Field

The invention relates to the technical field of information protection systems, in particular to an information protection system.

background

With the development of science and technology and social progress, the state promotes the development of high technology, and in the field of information protection systems, a technical problem that the protection of system hardware cannot be optimized exists, generally, hardware is mostly stored in a common machine room, more dust is generated for a long time, a hardware system and a protection system are installed in a split mode, a protection device is too complex, the implementation is difficult, a series of misoperation such as false reporting and false reporting is easy to generate, and the device effectively solves the problem.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide an information protection system, which can solve the above-mentioned problems in the prior art.

The invention is realized by the following technical scheme: the invention relates to an information protection system, which comprises a machine body and a hardware storage cavity which is arranged in the end surface of the left end of the machine body and has a left opening, wherein a first cavity which is positioned at the right end of the hardware storage cavity is arranged in the machine body, a groove with a downward opening is arranged in the inner wall of the top of the hardware storage cavity in a communication way, a first guide chute which is positioned between the first cavity and the hardware storage cavity is arranged in the inner wall of the right end of the hardware storage cavity in a communication way, a second guide chute which extends downwards is arranged in the inner wall of the bottom of the first guide chute in a communication way, a second cavity is arranged in the inner wall of the right end of the first cavity in a communication way, a third guide chute with a downward opening is arranged in the inner wall of the top of the first cavity in a communication way, a fourth guide chute is arranged in the inner wall of the left end of the third guide chute in a, a fifth guide chute is arranged at the top of the second cavity, a third cavity is arranged between the fifth guide chute and the second cavity, a fourth cavity with a downward opening and a top end communicated with the second guide chute is arranged in the end surface of the bottom of the machine body, an information identification electromagnet is arranged in the inner wall of the top of the third guide chute, a permanent magnet is connected in the third guide chute in a sliding fit manner, a first jacking spring positioned at the top of the permanent magnet is jacked in the third guide chute, a first connecting rod extending downwards is hinged and connected on the end surface of the bottom of the permanent magnet, the extending tail end of the bottom of the first connecting rod extends into the first cavity, a swing rod extending leftwards and rightwards is arranged in the second cavity, a supporting rod extending forwards and backwards is arranged on the part of the swing rod positioned in the second cavity, the extending tail end of the left end of the swing rod extends into the first cavity and is hinged and connected with the tail end of the bottom of the first connecting rod, the swing rod is provided with a jacking rod which is positioned in the first cavity and extends downwards, the second cavity is internally provided with a spring-connected power-off mechanism which is positioned at the bottom of the swing rod, the fifth guide chute is connected with a first guide slide block in a sliding fit manner, the first guide slide block is internally connected with a regulating threaded rod which extends leftwards and rightwards in a threaded fit manner, the extending tail end of the right end of the regulating threaded rod is connected with the inner wall of the right end of the fifth guide chute in a rotating fit manner, the extending tail end of the left end of the regulating threaded rod is connected with a first motor in a power connection manner, the outer surface of the first motor is embedded in the inner wall of the left end of the fifth guide chute and fixedly connected with the fifth guide chute, the inner wall of the right end of the fifth guide chute is internally provided with a butt inductor, the inner wall of the bottom of the fifth guide chute is connected with a push rod which extends upwards, the extending tail end of the top of the push rod extends into the fifth guide chute and is connected with an inclined plane on the first guide slide block in a sliding fit manner, the extending tail end of the bottom of the push rod extends into the second cavity and is positioned right above the swing rod, the fourth guide chute is connected with a second guide slide block in a sliding fit manner, the right end face of the second guide slide block is fixedly connected with the left end face of the permanent magnet, the second guide chute is connected with a third guide slide block which moves up and down in a sliding fit manner, the extending tail end of the top of the third guide slide block extends into the second guide chute and is fixedly connected with the bottom end face of the second guide slide chute, the first guide chute is connected with a fourth guide slide block which extends left and right in a sliding fit manner, the extending tail end of the right end of the fourth guide slide block is fixedly connected with the left end face of the third guide slide block, and the gate plate is connected, the end face of the right end of the gate plate is fixedly connected with the end face of the left end of the fourth guide sliding block.

Preferably, the front and rear extending ends of the support rod are connected with the front and rear inner walls of the second cavity in a rotating fit manner.

As a preferred technical solution, the elastic connection and disconnection mechanism includes an insulating support seat disposed on the inner wall of the bottom of the second cavity and extending upward, and a first conductive rod disposed in the insulating support seat and extending leftward and rightward, a first connection screw disposed at the right end of the insulating support seat is disposed on the first conductive rod, a first connection terminal disposed at the left end of the insulating support seat is disposed on the end surface of the bottom of the first conductive rod, a second conductive rod disposed at the bottom of the first conductive rod and extending rightward is disposed on the end surface of the right end of the insulating support seat, a second connection screw is disposed on the second conductive rod, an elastic rod extending leftward is disposed on the end surface of the right end of the insulating support seat, the extending end of the left end of the elastic rod extends into the first cavity and is connected with the top pressing rod in a pressing fit manner, a second connection terminal disposed on the end surface of the top of the elastic rod and used for being connected with the first connection terminal, and a fuse is electrified between the first wiring screw and the second wiring screw.

As preferred technical scheme, the third is led the slider bottom and is equipped with the wedge groove, be equipped with the friction disc in the wedge inslot wall, fourth cavity internal rotation cooperation is connected with the first axis of rotation of extending and bilateral symmetry around, and is left first axis of rotation is located under the second guide chute, the wheel of symmetry around being equipped with on the first axis of rotation, it is left be equipped with on the first axis of rotation and be located two between the wheel and be used for with the brake block of wedge groove looks scarf joint.

As a preferable technical scheme, the abutting inductor is electrically connected with the first motor, so that automatic recovery work is facilitated, an information identification instrument is arranged in the end face of the top of the machine body, and the information identification instrument is electrically connected with the information identification electromagnet.

The invention has the beneficial effects that: because the information identification electromagnet is in a magnetic force state when being electrified in the initial state of the equipment of the invention, the permanent magnet is positioned at the maximum stroke position of the third guide chute, at the moment, the elastic rod rebounds to enable the first connector lug to be in contact with the second connector lug, so that the system is in a power-on state, the second connector lug is connected with an internal circuit of a hardware system, the first connector lug is connected with an external circuit, the second guide slide block is positioned at the topmost part of the fourth guide slide groove, the third guide slide block is completely positioned in the second guide slide groove, and the device can freely move without being locked, the fourth guide sliding block is positioned at the topmost part of the first guide sliding groove, and the gate plate is positioned at the topmost part of the groove, so that the hardware storage cavity is completely exposed, and the maintenance and the repair of the device in the operation work are facilitated.

When the equipment is put into the work of an information protection system, firstly, hardware to be protected is placed in the hardware storage cavity, then the equipment is moved to a machine room, when the information recognition instrument recognizes that the information is wrong or a dangerous source exists, the information recognition instrument controls the information recognition electromagnet to stop supplying power and demagnetizing, the permanent magnet moves downwards under the jacking force of the first jacking spring and finally drives the jacking rod to move downwards, the jacking rod jacks the elastic rod to bend downwards to separate the first wire connector from the second wire connector, so that the system is directly powered off, meanwhile, the right end of the oscillating rod is in jacking connection with the push rod, the second guide slide block is positioned at the top of the fourth guide slide groove, the third guide slide block completely extends into the fourth cavity, and the wedge-shaped groove is in jacking connection with the brake pad, simultaneously, the fourth guide sliding block is located the first guide sliding groove bottommost, the gate plate completely seals the hardware storage cavity to improve the practicality and the stability of the device.

When the device needs to be restarted after being stopped, the first motor is started to drive the adjusting threaded rod to rotate, the adjusting threaded rod drives the first guide slide block to move rightwards, the inclined plane at the bottom of the first guide slide block is pressed against the push rod to enable the swing rod to rotate clockwise, the swing rod drives the permanent magnet to move upwards through the first connecting rod, at the moment, the recovered information identification electromagnet is in a magnetic state, the permanent magnet is attracted by the information identification electromagnet, when the first guide slide block moves to the rightmost end of the fifth guide slide groove, the butt inductor is electrically connected with the first motor, the butt inductor controls the first motor to drive the adjusting threaded rod to rotate reversely, the first guide slide block moves leftwards to the leftmost end of the fifth guide slide groove, and at the moment, the first motor is automatically controlled to stop rotating, meanwhile, the third guide sliding block completely enters the second guide sliding groove, so that the device can be in a free moving state, the gate plate is completely positioned in the groove, the hardware is completely exposed, and the device is restarted in sequence, so that the safety performance of the device is improved, and the convenience of restarting is improved.

the device has the advantages of simple structure and convenient operation, and all working procedures are mutually connected without interference by integrating information monitoring, automatic protection power-off, device locking and theft prevention and hardware protection theft prevention, so that the practicability of the device is improved, and the safety performance of the device is also improved.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic structural diagram of an information protection system according to the present invention during normal operation;

FIG. 2 is a schematic diagram of a protection state of an information protection system according to the present invention;

Fig. 3 is a schematic structural diagram of a in fig. 2.

Detailed Description

As shown in fig. 1, fig. 2 and fig. 3, an information protection system of the present invention includes a main body 100 and a hardware storage chamber 106 disposed in a left end surface of the main body 100 and having a left opening, a first cavity 111 disposed at a right end of the hardware storage chamber 106 is disposed in the main body 100, a downward opening groove 101 is disposed in a top inner wall of the hardware storage chamber 106, a first guide chute 104 disposed between the first cavity 111 and the hardware storage chamber 106 is disposed in a right end inner wall of the hardware storage chamber 106, a downward extending second guide chute 142 is disposed in a bottom inner wall of the first guide chute 104, a second cavity 124 is disposed in a right end inner wall of the first cavity 111, a downward opening third guide chute 135 is disposed in a top inner wall of the first cavity 111, a fourth guide chute 139 is disposed in a left end inner wall of the third guide chute 135, the bottom of the fourth sliding guide slot 139 is communicated with the inner wall of the top of the first sliding guide slot 104, the top of the second cavity 124 is provided with a fifth sliding guide slot 130, a third cavity 126 is arranged between the fifth sliding guide slot 130 and the second cavity 124, the end surface of the bottom of the machine body 100 is provided with a fourth cavity 107 with a downward opening and a top end communicated with the second sliding guide slot 142, the inner wall of the top of the third sliding guide slot 135 is provided with an information identification electromagnet 136, the third sliding guide slot 135 is connected with a permanent magnet 134 in a sliding fit manner, the third sliding guide slot 135 is internally provided with a first jacking spring 137 positioned at the top of the permanent magnet 134 in a jacking manner, the end surface of the bottom of the permanent magnet 134 is hinged and connected with a first connecting rod 133 extending downwards, the extending tail end of the bottom of the first connecting rod 133 extends into the first cavity 111, and the second cavity 124 is provided with a swing, a supporting rod 121 extending forwards and backwards is arranged at the part of the swing rod 123 located in the second cavity 124, the extending tail end of the left end of the swing rod 123 extends into the first cavity 111 and is hinged with the tail end of the bottom of the first connecting rod 133, a jacking rod 112 extending downwards and located in the first cavity 111 is arranged on the swing rod 123, a spring connection power-off mechanism located at the bottom of the swing rod 123 is arranged in the second cavity 124, a first guide sliding block 131 is connected in a sliding fit manner in the fifth guide sliding groove 130, a left-right extending adjusting threaded rod 128 is connected in a threaded fit manner in the first guide sliding block 131, the extending tail end of the right end of the adjusting threaded rod 128 is connected with the inner wall of the right end of the fifth guide sliding groove 130 in a rotating fit manner, a first motor 132 is connected at the power-extending tail end of the left end of the adjusting threaded rod 128, and the outer surface of the first motor 132 is embedded in and, a butting inductor 129 is arranged in the inner wall of the right end of the fifth guide sliding groove 130, a push rod 127 which extends up and down and penetrates through the third cavity 126 is connected to the inner wall body of the bottom of the fifth guide sliding groove 130 in a sliding fit manner, a second jacking spring 125 fixedly connected with the push rod 127 is arranged in the third cavity 126 in a jacking manner, the extending tail end of the top of the push rod 127 extends into the fifth guide sliding groove 130 and is connected with an inclined plane on the first guide sliding block 131 in a sliding fit manner, the extending tail end of the bottom of the push rod 127 extends into the second cavity 124 and is positioned right above the swing rod 123, a second guide sliding block 138 is connected to the fourth guide sliding groove 139 in a sliding fit manner, the right end face of the second guide sliding block 138 is fixedly connected with the left end face of the permanent magnet 134, a third guide sliding block 105 which moves up and down is connected to the second guide sliding groove 142 in a sliding fit manner, and the extending tail end of the top of the third guide sliding block 105 138 bottom terminal surface fixed connection, first guide chute 104 sliding fit is connected with the fourth that extends about and leads slider 103, fourth lead slider 103 right end extend terminal with third lead slider 105 left end terminal surface fixed connection, sliding fit is connected with gate board 102 in recess 101, gate board 102 right-hand member terminal surface with fourth lead slider 103 left end terminal surface fixed connection.

Advantageously, the front and rear extending ends of the support rod 121 are pivotally engaged with the front and rear inner walls of the second cavity 124.

Beneficially, the elastic connection and disconnection mechanism includes an insulating support base 115 disposed on the inner wall of the bottom of the second cavity 124 and extending upward, and a first conductive rod 117 disposed in the insulating support base 115 and extending left and right, a first connection screw 120 disposed on the first conductive rod 117 and located at the right end of the insulating support base 115, a first connection head 143 disposed on the bottom end of the first conductive rod 117 and located at the left end of the insulating support base 115, a second conductive rod 116 disposed on the right end of the insulating support base 115 and extending right and located at the bottom of the first conductive rod 117, a second connection screw 118 disposed on the second conductive rod 116, an elastic rod 113 extending left and disposed on the right end of the insulating support base 115, and an extending end of the left end of the elastic rod 113 extends into the first cavity 111 and is connected with the top pressure rod 112 in a pressing fit manner, the second electric connector 114 which is used for being in butt joint with the first electric connector 143 is arranged on the end face of the top of the elastic rod 113, and a fuse 119 is arranged between the first wiring screw 120 and the second wiring screw 118 in an electrified mode, so that automatic power off is facilitated, and reliability and stability of the device are improved.

Beneficially, third guide sliding block 105 bottom is equipped with the wedge groove, be equipped with friction disc 141 in the wedge groove inner wall, fourth cavity 107 internal rotation cooperation is connected with first axis of rotation 109 that extends and bilateral symmetry from beginning to end, and is left first axis of rotation 109 is located under second guide sliding groove 142, be equipped with symmetrical wheel 110 in the front and back on first axis of rotation 109, it is left be equipped with on the first axis of rotation 109 be located two between the wheel 110 and be used for with the brake block 108 that the wedge groove looks scarf joint, the realization device is automatic to be locked, prevents to be stolen.

Advantageously, the abutting inductor 129 is electrically connected to the first motor 132 for facilitating automatic recovery of operation, and an information identifier 140 is disposed in the top end surface of the body 100, and the information identifier 140 is electrically connected to the information identifying electromagnet 136 for facilitating maintaining a permanent on-state operation.

When the device of the present invention is in an initial state, the information recognition electromagnet 136 is in a state of being energized and having magnetic force, the permanent magnet 134 is located at the position of the third guiding chute 135 which moves up by the maximum stroke, at this time, the elastic rod 113 rebounds, so that the first wire connector 143 contacts with the second wire connector 114, the system is in an energized state, the second wire connector 114 is connected with the internal circuit of the hardware system, the first wire connector 143 is connected with the external circuit, the second guiding slider 138 is located at the top of the fourth guiding chute 139, the third guiding slider 105 is completely located in the second guiding chute 142, at this time, the device is not locked and can move freely, the fourth guiding slider 103 is located at the top of the first guiding chute 104, and the shutter plate 102 is located at the top of the groove 101, so that the hardware storage cavity 106 is completely exposed.

When the equipment of the invention is put into the work of an information protection system, firstly, hardware to be protected is placed in the hardware storage cavity 106, then the equipment is moved to a machine room, when the information recognition instrument 140 recognizes that information is wrong or a dangerous source exists, the information recognition instrument 140 controls the information recognition electromagnet 136 to stop supplying power and demagnetizing, the permanent magnet 134 moves downwards under the jacking force of the first jacking spring 137 and finally drives the jacking rod 112 to move downwards, the jacking rod 112 jacks the elastic rod 113 to bend downwards, so that the first wire connecting head 143 is separated from the second wire connecting head 114, the system is directly powered off, meanwhile, the right end of the swing rod 123 is in jacking connection with the push rod 127, the second guide block 138 is positioned at the top of the fourth guide chute 139, the third guide block 105 fully extends into the fourth cavity 107 and the wedge-shaped groove is in jacking connection with the brake pad 108, meanwhile, the fourth guide slide 103 is located at the bottom of the first guide slide groove 104, and the shutter plate 102 completely seals the hardware storage cavity 106.

When the device needs to be restarted after being stopped, the first motor 132 is started to drive the adjusting threaded rod 128 to rotate, the adjusting threaded rod 128 drives the first guide slide block 131 to move rightwards, the inclined plane at the bottom of the first guide slide block 131 presses against the push rod 127, so that the swing rod 123 rotates clockwise, the swing rod 123 drives the permanent magnet 134 to move upwards through the first connecting rod 133, at this time, the recovered information identification electromagnet 136 is in a magnetic state, the permanent magnet 134 is attracted by the information identification electromagnet 136, when the first guide slide block 131 moves to the rightmost end of the fifth guide chute 130, because the abutting inductor 129 is electrically connected with the first motor 132, the abutting inductor 129 controls the first motor 132 to drive the adjusting threaded rod 128 to rotate reversely, so that the first guide slide block 131 moves leftwards to the leftmost end of the fifth guide chute 130, at this time, the first motor 132 is automatically controlled to stop rotating, and at the same time, the third guide slider 105 completely enters the second guide chute 142, so that the device can move freely, the shutter plate 102 is completely located in the groove 101, so that the hardware is completely exposed, and the device is restarted in turn.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides an information protection system, includes the fuselage and sets up in the fuselage left end terminal surface and the opening hardware storage chamber to the left, its characterized in that: the internal first cavity that is located hardware storage chamber right-hand member that is equipped with of fuselage, it is equipped with the recess that the opening is decurrent to communicate with each other in the internal wall of hardware storage chamber top, it is equipped with and is located to communicate with each other in the internal wall of hardware storage chamber right-hand member first guide chute between first cavity and the hardware storage chamber, communicate with each other in the internal wall of first guide chute bottom and be equipped with the second guide chute that downwardly extends, it is equipped with the second cavity to communicate with each other in the internal wall of first cavity right-hand member, it is equipped with the third guide chute that the opening is decurrent to communicate with each other in the internal wall of first cavity top, it is equipped with the fourth guide chute to communicate with each other in the internal wall of third guide chute left end, fourth guide chute bottom with the internal wall of first guide chute top, the second cavity top is equipped with the fifth guide chute, be equipped with the third cavity between the fifth guide chute and the second cavity, be equipped with the opening downwards in the, an information identification electromagnet is arranged in the inner wall of the top of the third guide chute, a permanent magnet is connected in the third guide chute in a sliding fit manner, a first jacking spring positioned at the top of the permanent magnet is jacked in the third guide chute, a first connecting rod extending downwards is hinged to the end face of the bottom of the permanent magnet, the extending tail end of the bottom of the first connecting rod extends into the first cavity, a swing rod extending leftwards and rightwards is arranged in the second cavity, a supporting rod extending forwards and backwards is arranged on the part of the swing rod positioned in the second cavity, the extending tail end of the left end of the swing rod extends into the first cavity and is hinged to the tail end of the bottom of the first connecting rod, a jacking rod positioned in the first cavity and extending downwards is arranged on the swing rod, and a spring connection power-off mechanism positioned at the bottom of the swing rod is arranged in the second cavity, the fifth guide sliding groove is connected with a first guide sliding block in a sliding fit manner, the first guide sliding block is connected with a regulating threaded rod which extends leftwards and rightwards in a threaded fit manner, the extending tail end of the right end of the regulating threaded rod is connected with the inner wall of the right end of the fifth guide sliding groove in a rotating fit manner, the extending tail end of the left end of the regulating threaded rod is connected with a first motor in a power connection manner, the outer surface of the first motor is embedded in and fixedly connected with the inner wall of the left end of the fifth guide sliding groove, a butt sensor is arranged in the inner wall of the right end of the fifth guide sliding groove, a push rod which extends upwards and downwards and penetrates through the third cavity is connected in a sliding fit manner in the inner wall of the bottom of the fifth guide sliding groove, a second jacking spring fixedly connected with the push rod is arranged in the third cavity in a jacking manner, and the extending tail end of the top, the extension end of the bottom of the push rod extends into the second cavity and is located right above the swing rod, a second guide sliding block is connected to a fourth guide sliding groove in a sliding fit mode, the end face of the right end of the second guide sliding block is fixedly connected with the end face of the left end of the permanent magnet, a third guide sliding block which moves up and down is connected to the second guide sliding groove in a sliding fit mode, the extension end of the top of the third guide sliding block extends into the second guide sliding groove and is fixedly connected with the end face of the bottom of the second guide sliding groove, a fourth guide sliding block which extends left and right is connected to the first guide sliding groove in a sliding fit mode, the extension end face of the right end of the fourth guide sliding block is fixedly connected with the end face of the left end of the third guide sliding block, a gate plate is connected to the groove in a sliding fit mode, and the end face.

2. An information protection system according to claim 1, characterized in that: the front and rear extending tail ends of the supporting rod are connected with the front and rear inner walls of the second cavity in a rotating fit mode.

3. An information protection system according to claim 1, characterized in that: the elastic connection and disconnection mechanism comprises an insulation support seat which is arranged on the inner wall of the bottom of the second cavity and extends upwards, and a first conductive rod which extends leftwards and rightwards is arranged in the insulation support seat, a first wiring screw which is arranged at the right end of the insulation support seat is arranged on the first conductive rod, a first power connection head which is arranged at the left end of the insulation support seat is arranged on the end face of the bottom of the first conductive rod, a second conductive rod which is arranged at the bottom of the first conductive rod and extends rightwards is arranged on the end face of the right end of the insulation support seat, a second wiring screw is arranged on the second conductive rod, an elastic rod which extends leftwards is arranged on the end face of the right end of the insulation support seat, the extending tail end of the left end of the elastic rod extends into the first cavity and is connected with the jacking rod in a jacking and matched manner, and a second power connection head which is used for, and a fuse is electrified between the first wiring screw and the second wiring screw.

4. An information protection system according to claim 1, characterized in that: the third is led the slider bottom and is equipped with the wedge groove, be equipped with the friction disc in the wedge inslot wall, fourth cavity internal rotation cooperation is connected with the first axis of rotation of extending and controlling symmetry around and, and is left first axis of rotation is located under the second guide chute, be equipped with the wheel of front and back symmetry on the first axis of rotation, it is left be equipped with in the first axis of rotation and be located two between the wheel and be used for with the brake block that the wedge groove was rabbeted mutually.

5. An information protection system according to claim 1, characterized in that: the butt inductor is electrically connected with the first motor, so that automatic recovery work is facilitated, an information identification instrument is arranged in the end face of the top of the machine body, and the information identification instrument is electrically connected with the information identification electromagnet.