CN111341001A

CN111341001A - District import and export resident information recording device

Info

Publication number: CN111341001A
Application number: CN202010252135.2A
Authority: CN
Inventors: 陈晓畅
Original assignee: Wuyi Xianhe Electronic Co ltd
Current assignee: Wuyi Xianhe Electronic Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-06-26

Abstract

The invention discloses a residential information recording device for an entrance and an exit of a community, which comprises a base, wherein a detection mechanism capable of identifying and inputting information is arranged on the upper side of the base, two support columns are fixed on the upper end surface of the base, a left end wall, a right end wall and a rotating cavity with one end wall communicated with the outside are arranged in each support column, a first fence mechanism is arranged in each support column on the front side, a second barrier mechanism is arranged in each support column on the rear side, and each barrier mechanism comprises a rotating groove which is positioned in the rear end wall of the rotating cavity on the rear side and has a forward opening. So as not to affect the identification and entry of subsequent information.

Description

District import and export resident information recording device

Technical Field

The invention relates to the technical field of information, in particular to a device for recording information of residents at an import and an export of a community.

Background

For the safety of community residents, numerous community properties set inspection stations at the entrances and exits of the community to register the entrance and exit information of people;

in order to facilitate the collection of resident business turn over information, set up face identification device mostly in entrance and exit department to be convenient for discern the district resident or external population, nevertheless because face identification, need one-to-one discernment, consequently probably someone can be because of the trouble, follow when the former recognizer leaves and leave, lead to information identification disappearance, be unfavorable for the adoption of information.

Disclosure of Invention

The invention aims to solve the technical problem of providing a device for recording the information of residents at the entrance and the exit of a community, which overcomes the possible problems of information acquisition deficiency and the like, thereby ensuring the completeness of information input.

The invention is realized by the following technical scheme.

The invention relates to a residential information recording device for an entrance and an exit of a residential area, which comprises a base, wherein a detection mechanism capable of identifying and inputting information is arranged on the upper side of the base, two support columns are fixed on the upper end surface of the base, a left end wall and a right end wall as well as one end wall are arranged in each support column and communicated with an external rotating cavity, a first fence mechanism is arranged in each support column on the front side, a second barrier mechanism is arranged in each support column on the rear side, each barrier mechanism comprises a rotating groove which is positioned in the rear end wall of the rotating cavity on the rear side and is provided with a forward opening, lifting cavities which are close to the end walls of the rotating grooves and communicated with the rotating grooves are arranged in the left end wall and the right end wall of the rotating groove, two lifting blocks are connected in the lifting cavity on the right side in a sliding manner, the lifting blocks on the, a driven gear is fixed at the left end of the driven shaft, a rack with the front end meshed with the driven gear is fixed at the rear end wall of the lifting cavity at the left side, a blocking rod is fixedly connected to the driven shaft positioned in the rotating groove, a lifting spring with the upper end fixedly connected with the upper end wall of the lifting cavity is fixed at the upper end of the lifting block at the upper side, a rope is fixed at the lower end of the lifting block at the lower side, a friction cavity with a leftward opening is arranged in the right end wall of the lifting cavity at the right side, two friction blocks are connected in the friction cavity in a sliding manner, a return spring with the upper end fixed with the upper end of the friction block is fixed at the upper end of the friction block at the upper side, a supporting spring for supporting the friction block is fixed at the lower end of the friction block at the lower side, a friction cavity is fixed at the upper ends of the two friction blocks, and the upper, an electromagnet controlled by the detection mechanism is fixed on the upper end wall of the rotating cavity on the rear side, a spring groove with a forward opening is arranged in the upper end wall of the rotating groove, an iron block with a front end positioned in the rotating cavity and attracted with the electromagnet and a compression spring capable of resetting the iron block are arranged in the spring groove, a chain is fixedly connected to the rear end of the iron block, and a blocking mechanism convenient to leave between the detection mechanism and the blocking mechanism is arranged between the blocking mechanism and the detection mechanism.

Further, detection mechanism is including being located in the ascending sliding tray of base and opening, sliding connection has the upper end to be located outside brace table in the sliding tray, be fixed with the dead lever just between the end wall about the sliding tray the dead lever runs through the brace table lower extreme, the brace table lower extreme be fixed with the right-hand member with sliding tray right-hand member wall fixed connection's expanding spring, the rope lower extreme runs through detection mechanism lower extreme end wall with sliding tray right-hand member wall and with brace table fixed connection, be equipped with in the brace table upper end and run through the chamber that link up of end wall about the brace table, link up and be equipped with the opening forward and control the outside discernment chamber of end wall intercommunication about just in the chamber upper end wall, be fixed with the fixed axle between the end wall about the discernment chamber, be fixed with the face identification ware that.

Furthermore, the fence mechanism comprises a monitor fixed at the upper end of the supporting column at the front side and used for detecting whether to follow the entering and exiting, a driving cavity is arranged in the base, a moving groove with an upward opening is arranged in the lower end wall of the driving cavity, a sliding block and a sliding spring for connecting the sliding block and the front end wall of the moving groove are connected in the moving groove in a sliding manner, a driving motor is fixed at the upper end of the sliding block, a driving shaft is connected to the upper end of the driving motor in a power connection manner, a driving gear is fixed at the upper end of the driving shaft, the rear end of the chain penetrates through the rear end wall of the spring groove and the rear end wall of the moving groove and is fixedly connected with the sliding block, two transmission shafts are connected to the lower end wall of the driving cavity in a rotating manner, the upper ends of the transmission shafts penetrate through the, the transmission shaft upper end be fixed with the upper end with rotate chamber upper end wall fixed connection's first torsion spring, the transmission shaft lower extreme be fixed with can with drive gear meshing's drive gear, rear side the transmission shaft lower extreme still is fixed with the rope winding wheel, the upper end runs through lifting chamber upper end wall with drive chamber rear end wall and winding are in on the rope winding wheel, the front side the transmission shaft upper end still is fixed with the rear end and is located the rear side rotate the intracavity and with the fence that the electro-magnet was inhaled mutually.

Furthermore, the stopping mechanism comprises two fixed tables fixed on the left end face of the support column at the rear side, a rotating shaft is rotatably connected between the two fixed tables, the rotating shaft is fixedly connected with the fixed tables through a second torsion spring, a stopping plate is fixedly connected to the rotating shaft, a limiting groove with an upward opening is formed in the stopping plate, a lifting cavity with a right end wall communicated with the outside is formed in the upper end wall of the through cavity, a lifting block and a lifting spring connected with the lifting block and the upper end wall of the lifting cavity are slidably connected in the lifting cavity, a connecting rod with a right end located at the outside is fixed at the right end of the lifting block, a limiting rod with a lower end located in the limiting groove is fixed at the right end of the connecting rod, a limiting hole with a left opening is formed in the lifting block, a translation groove with a right opening is formed in the left end wall of the lifting cavity, a limiting block and a flat plate connecting the limiting block and and the upper end of the pull rope fixed on the friction block at the lower side penetrates through the upper end wall of the friction cavity, the left end wall of the translation groove and is fixedly connected with the limiting block, and the upper end of the pull rope fixed on the friction block at the upper side penetrates through the upper end wall of the friction cavity, the lower end wall of the lifting cavity and is fixedly connected with the lifting block.

Furthermore, the pulling rope fixed with the lifting blocks is elastic, the magnetic force between the two lifting blocks is greater than the elastic force of the telescopic spring, and the magnetic force between the lifting blocks and the friction block is greater than the sum of the elastic force of the reset spring, the elastic force of the pulling rope, the elastic force of the lifting spring and the elastic force of the support spring.

The invention has the beneficial effects that: the device simple structure, the simple operation accomplishes the discernment automatically through the transmission of machinery and is convenient for information input, and blocks the facility through setting up two, prevents to follow and leaves, avoids business turn over people's information input to lack to guarantee information input's integrality, and exit the passageway in the setting, be convenient for can not business turn over personnel and leave the discernment passageway, from not influencing the discernment and the type of follow-up information.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is an enlarged view of the structure C-C shown in FIG. 2 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Combine accompanying drawings 1-4 resident information recorder is imported and exported to district, including base 10, base 10 upside is equipped with distinguishable detection mechanism 68 with input information, base 10 up end still is fixed with two support columns 22, be equipped with in the support column 22 about end wall and one side end wall intercommunication outside rotation chamber 23, the front side be equipped with first fence mechanism 71 in the support column 22, the rear side be equipped with second way stop mechanism 70 in the support column 22, stop mechanism 70 including being located the rear side rotate in the 23 rear end wall of chamber and the antecedent rotation groove 24 of opening, it is close to all to be equipped with in the end wall about rotation groove 24 the end wall intercommunication of rotation groove 24 the lifting chamber 65 of rotation groove 24, right side sliding connection has two lifting pieces 61 and downside in the lifting chamber 65 lifting piece 61 lifting piece can take magnetism, upside lifting piece 61 left end is rotated and is connected with the left end and runs through it just is located to rotate the end wall about rotation groove 24 the lifting piece The driven shaft 26 in the cavity 65, a driven gear 67 is fixed at the left end of the driven shaft 26, a rack 66 with the front end meshed with the driven gear 67 is fixed at the rear end wall of the lifting cavity 65 at the left side, a blocking rod 25 is fixedly connected to the driven shaft 26 in the rotating groove 24, a lifting spring 64 with the upper end fixedly connected with the upper end wall of the lifting cavity 65 is fixed at the upper end of the lifting block 61 at the upper side, a rope 29 is fixed at the lower end of the lifting block 61 at the upper side, a friction cavity 62 with a leftward opening is arranged in the right end wall of the lifting cavity 65 at the right side, two friction blocks 60 are slidably connected in the friction cavity 62, a return spring 63 with the upper end fixed with the upper end wall of the friction block 60 is fixed at the upper end of the friction block 60 at the upper side, and a supporting spring 59 for supporting the friction block 60 is fixed at the lower end of the, the upper ends of the two friction blocks 60 are respectively fixed with a friction cavity 62, the lower side of the upper end of the pull rope 52 fixedly connected with the friction blocks 60 penetrates through the upper side of the friction block 60, the upper end wall of the rotating cavity 23 at the rear side is fixed with an electromagnet 36 controlled by the detection mechanism 68, the upper end wall of the rotating groove 24 is provided with a spring groove 38 with a forward opening, the spring groove 38 is internally provided with an iron block 35 with the front end positioned in the rotating cavity 23 and attracted with the electromagnet 36 and a compression spring 37 capable of resetting the iron block 35, the rear end of the iron block 35 is fixedly connected with a lock chain 40, and a blocking mechanism 69 convenient for leaving between the detection mechanism 68 and the blocking mechanism 70 is arranged between the blocking mechanism 70 and the detection mechanism 68.

Advantageously, the detection means 68 comprise a sliding slot 28, open upwards, in the base 10, a supporting table 12 with the upper end positioned outside is connected in the sliding groove 28 in a sliding way, a fixing rod 11 is fixed between the left end wall and the right end wall of the sliding groove 28, the fixing rod 11 penetrates through the lower end of the supporting table 12, an extension spring 27 is fixed at the lower end of the support platform 12, the right end of the extension spring is fixedly connected with the right end wall of the sliding groove 28, the lower end of the rope 29 penetrates through the lower end wall of the detection mechanism 68 and the right end wall of the sliding groove 28 and is fixedly connected with the support platform 12, a through cavity 14 penetrating through the left end wall and the right end wall of the supporting platform 12 is arranged in the upper end of the supporting platform 12, an identification cavity 17 with a forward opening and a left end wall and a right end wall communicated with the outside is arranged in the upper end wall of the through cavity 14, a fixed shaft 15 is fixed between the upper end wall and the lower end wall of the recognition cavity 17, and a face recognizer 16 for recognition and information input is fixed on the fixed shaft 15.

Advantageously, the barrier mechanism 71 includes a monitor 33 fixed on the upper end of the supporting column 22 at the front side and used for detecting whether to follow the entrance or exit, a driving cavity 47 is provided in the base 10, a moving slot 45 with an upward opening is provided in the lower end wall of the driving cavity 47, a sliding block 43 and a sliding spring 44 connecting the sliding block 43 and the front end wall of the moving slot 45 are slidably connected in the moving slot 45, a driving motor 42 is fixed on the upper end of the sliding block 43, a driving shaft 41 is connected to the upper end of the driving motor 42 by power, a driving gear 46 is fixed on the upper end of the driving shaft 41, the rear end of the chain 40 penetrates through the rear end wall of the spring slot 38 and the rear end wall of the moving slot 45 and is fixedly connected to the sliding block 43, two transmission shafts 31 are rotatably connected to the lower end wall of the driving cavity 47, and the upper end of the transmission shaft 31 penetrates through the upper end wall of the driving cavity 47 and the, the transmission shaft 31 upper end be fixed with the upper end with rotate chamber 23 upper end wall fixed connection's a torsion spring 34, the transmission shaft 31 lower extreme be fixed with can with drive gear 46 meshed transmission gear 30, the rear side the transmission shaft 31 lower extreme still is fixed with

rope wheel

39, 49 upper ends run through lifting chamber 65 upper end wall with drive chamber 47 rear end wall and winding are in on the rope wheel 39, the front side the transmission shaft 31 upper end still is fixed with the rear end and is located the rear side rotate the chamber 23 in and with the fence 32 that the electro-magnet 36 was inhaled mutually.

Advantageously, the arresting mechanism 69 comprises two fixed tables 21 fixed on the left end surface of the supporting column 22 on the rear side, a rotating shaft 19 is rotatably connected between the two fixed tables 21, the rotating shaft 19 is fixedly connected with the fixed tables 21 through a second torsion spring 20, an arresting plate 13 is fixedly connected to the rotating shaft 19, a limiting groove 18 with an upward opening is formed in the arresting plate 13, a lifting cavity 55 with a right end wall communicated with the outside is formed in the upper end wall of the through cavity 14, a lifting block 48 and a lifting spring 56 connected with the lifting block 48 and the upper end wall of the lifting cavity 55 are slidably connected in the lifting cavity 55, a connecting rod 57 with a right end located at the outside is fixed at the right end of the lifting block 48, a limiting rod 58 with a lower end located in the limiting groove 18 is fixed at the right end of the connecting rod 57, a limiting hole 73 with a left opening is formed in the lifting block 48, a translation groove 53 with a rightward opening is formed in the left end wall of the lifting cavity 55, a limiting block 51 and a translation spring 54 for connecting the limiting block 51 with the left end wall of the translation groove 53 are connected in the translation groove 53 in a sliding manner, the upper end of the pull rope 52 fixed on the friction block 60 at the lower side penetrates through the upper end wall of the friction cavity 62 and the left end wall of the translation groove 53 and is fixedly connected with the limiting block 51, and the upper end of the pull rope 52 fixed on the friction block 60 at the upper side penetrates through the upper end wall of the friction cavity 62 and the lower end wall of the lifting cavity 55 and is fixedly connected with the lifting block 48.

Advantageously, the pulling rope 52 fixed to the lifting block 48 is elastic, the magnetic force between the two lifting blocks 61 is greater than the elastic force of the extension spring 27, and the magnetic force between the lifting blocks 61 and the friction block 60 is greater than the sum of the elastic force of the return spring 63, the elastic force of the pulling rope 52, the elastic force of the lifting spring 56 and the elastic force of the support spring 59.

In the initial state, the first torsion spring 34 is twisted, the compression spring 37, the slide spring 44, the lift spring 56, and the pull cord 52 are extended, and the translation spring 54 is compressed.

When a person is positioned at the front side of the face recognizer 16, the face recognizer 16 performs face recognition, the electromagnet 36 is controlled to operate after information is input, so that the electromagnet 36 is not attracted to the barrier 32 any more, the first torsion spring 34 is reset to drive the transmission shaft 31 at the front side to rotate, so that the barrier 32 rotates, so that the person can conveniently leave or enter, the electromagnet 36 loses magnetism, so that the compression spring 37 and the sliding spring 44 are reset, so that the iron block 35 moves backwards and releases the chain 40, so that the sliding block 43 moves forwards, so that the driving gear 46 is meshed with the transmission gear 30 at the front side, when the person leaves between the two support columns 22, the driving motor 42 operates to drive the driving shaft 41 to rotate, so that the driving gear 46 and the transmission gear 30 at the front side rotate, so that the barrier 32 rotates and resets, when the barrier 32 is in contact with the electromagnet 36, the electromagnet 36 operates to attract with the barrier 32, the first torsion spring 34 is twisted and the iron block 35 moves forward by the magnetic force of the electromagnet 36 to pull the chain 40, thereby moving the slide block 43 rearward and stretching the slide spring 44, thereby moving the driving gear 46 rearward to engage with the rear transmission gear 30;

when the monitor 33 detects that a person not recognized by the face recognizer 16 passes between the two support posts 22, the electromagnet 36 is operated to attract the iron block 35, so that the slide block 43 moves backward, so that the driving gear 46 engages with the rear transmission gear 30, and at this time, the driving motor 42 is operated to rotate the driving shaft 41, so that the driving gear 46 rotates with the rear transmission gear 30, so that the rear transmission shaft 31 rotates with the winding wheel 39, so that the winding wheel 49 winds up, so that the two lifting blocks 61 and the two friction blocks 60 move upward, so that the lifting springs 64 and the return springs 63 are compressed, the supporting springs 59 are stretched, so that the ropes 29 are tensioned, and the pulling ropes 52 are loosened, the lifting of the lifting blocks 61 drives the driven shaft 26 to lift, so that the driven gear 67 and the blocking rod 25 lift, the driven gear 67 lifts to rotate under the action of the rack 66, so that the driven shaft 26 and the blocking rod 25 rotate, so that the blocking rod 25 blocks the follower, the two pull ropes 52 become loose, and when the pull ropes 52 fixed with the lifting block 48 become loose, the translation spring 54 resets to drive the limiting block 51 to move rightwards and enter the limiting hole 73, so that the lifting block 48 is prevented from rising, and the rope 29 becomes tight to drive the supporting table 12 to move rightwards and compress the telescopic spring 27, so that the face recognizer 16 moves rightwards to bring the rear side of the follower, and the follower is detected and recognized;

if it does not conform to the requirement of business turn over to detect the follower, then control downside lifting piece 61 no longer with the lifting piece 61 of upside inhale mutually, thereby make expanding spring 27 reset and drive a supporting bench 12 and move left, thereby drive the lifting piece 61 decline of downside, thereby make the clutch blocks 60 of downside descend, thereby taut stay cord 52 fixed with stopper 51, thereby make stopper 51 right-hand member leave in spacing hole 73, thereby make the lifter 48 lose the restriction, thereby make the lifting spring 56 reset and drive the lifter 48 and rise, thereby make connecting rod 57 and gag lever post 58 rise and make the gag lever post 58 leave the spacing inslot 18, the follower promotes to hinder the sideboard 13 and can leave between supporting bench 12 and the support column 22 and do not influence subsequent discernment this moment.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a resident information recording device is imported and exported to district, includes the base, its characterized in that: the upper side of the base is provided with a detection mechanism capable of identifying and inputting information, the upper end surface of the base is further fixed with two support columns, a left end wall, a right end wall and a rotating cavity with a side end wall communicated with the outside are arranged in the support columns, a first fence mechanism is arranged in the support columns at the front side, a second blocking mechanism is arranged in the support columns at the rear side, the blocking mechanism comprises a rotating groove which is positioned in the rear end wall of the rotating cavity at the rear side and has a forward opening, lifting cavities which are close to the end walls of the rotating groove and communicated with the rotating groove are arranged in the left end wall and the right end wall of the rotating groove, two lifting blocks are connected in the lifting cavity at the right side in a sliding mode, the lifting blocks at the lower side can be magnetic, the left end of the lifting blocks at the upper side is rotatably connected with a driven shaft, the left end of the driven shaft penetrates through the left end, a stopping rod is fixedly connected to the driven shaft in the rotating groove, a lifting spring with the upper end fixedly connected with the upper end wall of the lifting cavity is fixed to the upper end of the lifting block on the upper side, a rope is fixed to the upper end of the lifting block on the upper side and the lower end of the lifting block on the lower side, a friction cavity with a left opening is arranged in the right end wall of the lifting cavity on the right side, two friction blocks are connected in the friction cavity in a sliding mode, a return spring with the upper end fixed with the upper end of the friction block on the upper side is fixed to the upper end of the friction block on the upper side, a supporting spring for supporting the friction block is fixed to the lower end of the friction block on the lower side, a friction cavity is fixed to the upper end of each friction block on the upper side, an electromagnet controlled by the detection mechanism is fixed to the upper end wall of the rotating cavity on the rear side, and a spring groove with a forward opening, an iron block with the front end positioned in the rotating cavity and attracted with the electromagnet and a compression spring capable of resetting the iron block are arranged in the spring groove, a chain is fixedly connected to the rear end of the iron block, and a blocking mechanism convenient to leave between the detection mechanism and the blocking mechanism is arranged between the blocking mechanism and the detection mechanism.

2. The apparatus for recording the information of residents at the entrance and exit of a residential area as claimed in claim 1, wherein: detection mechanism is including being located in the ascending sliding tray of base and opening, sliding connection has the upper end to be located outside brace table about the sliding tray, the sliding tray is fixed with the dead lever just between the end wall about, the dead lever runs through the brace table lower extreme, the brace table lower extreme be fixed with the right-hand member with sliding tray right-hand member wall fixed connection's expanding spring, the rope lower extreme runs through detection mechanism lower extreme end wall with sliding tray right-hand member wall and with brace table fixed connection, be equipped with in the brace table upper end and run through the chamber that link up of end wall about the brace table, link up and be equipped with the opening in the chamber upper end wall forward and about the outside discernment chamber of end wall intercommunication, be fixed with the fixed axle between the end wall about the discernment chamber, be fixed with the face identification ware.

3. The apparatus for recording the information of residents at the entrance and exit of a residential area as claimed in claim 2, wherein: the fence mechanism comprises a monitor fixed at the upper end of the supporting column at the front side and used for detecting whether to follow the entering and exiting, a driving cavity is arranged in the base, a moving groove with an upward opening is arranged in the lower end wall of the driving cavity, a sliding block and a sliding spring are connected in the moving groove and connected with the front end wall of the moving groove, a driving motor is fixed at the upper end of the sliding block, a driving shaft is connected with the upper end of the driving motor in a power connection manner, a driving gear is fixed at the upper end of the driving shaft, the rear end of a chain penetrates through the rear end wall of the spring groove and the rear end wall of the moving groove and is fixedly connected with the sliding block, two transmission shafts are rotatably connected at the lower end wall of the driving cavity and the upper end wall of the transmission shaft penetrates through the lower end wall of the driving cavity and the front side and is rotatably connected with the upper end wall of the rotating cavity, and a first, the transmission shaft lower extreme be fixed with can with drive gear meshing's drive gear, rear side the transmission shaft lower extreme still is fixed with the rope sheave, the upper end runs through lifting chamber upper end wall with drive chamber rear end wall and winding are in on the rope sheave, the front side the transmission shaft upper end still is fixed with the rear end and is located the rear side rotate the intracavity and with the fence that the electro-magnet was inhaled mutually.

4. The apparatus according to claim 3, wherein: the stopping mechanism comprises two fixed tables fixed on the left end surface of the supporting column at the rear side, a rotating shaft is rotatably connected between the two fixed tables, the rotating shaft is fixedly connected with the fixed tables through a second torsion spring, a stopping plate is fixedly connected onto the rotating shaft, a limiting groove with an upward opening is arranged in the stopping plate, a lifting cavity with a right end wall communicated with the outside is arranged in the upper end wall of the through cavity, a lifting block and a lifting spring for connecting the lifting block with the upper end wall of the lifting cavity are slidably connected in the lifting cavity, a connecting rod with a right end positioned at the outside is fixed at the right end of the lifting block, a limiting rod with a lower end positioned in the limiting groove is fixed at the right end of the connecting rod, a limiting hole with a leftward opening is arranged in the lifting block, a translation groove with a rightward opening is arranged in the left end wall of the lifting cavity, a limiting block and a translation spring for connecting the limiting block, the upper end of the pull rope fixed on the friction block at the lower side penetrates through the upper end wall of the friction cavity, the left end wall of the translation groove and the limiting block and is fixedly connected with the translation groove, and the upper end of the pull rope fixed on the friction block at the upper side penetrates through the upper end wall of the friction cavity, the lower end wall of the lifting cavity and the lifting block and is fixedly connected with the lifting block.

5. The apparatus according to claim 4, wherein: the pull rope fixed with the lifting blocks is elastic, the magnetic force between the two lifting blocks is larger than the elastic force of the telescopic spring, and the magnetic force between the lifting blocks and the friction block is larger than the sum of the elastic force of the reset spring, the elastic force of the pull rope, the elastic force of the lifting spring and the elastic force of the support spring.