CN111311764A

CN111311764A - Automatic ticket checking machine in garden based on face recognition

Info

Publication number: CN111311764A
Application number: CN202010215953.5A
Authority: CN
Inventors: 汪奇
Original assignee: Hangzhou Waxing Intelligent Technology Co ltd
Current assignee: Hangzhou Waxing Intelligent Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-06-19

Abstract

The invention discloses a park automatic ticket checker based on face recognition, which comprises a bottom plate, wherein the left and right positions of the upper end surface of the bottom plate are symmetrical and are fixedly provided with supporting blocks, an intercepting device is arranged between the supporting blocks, a buffer device is arranged in the supporting block, an alarm triggering device is arranged on the supporting block on the left side, when someone intends to break into the ticket forcibly, the alarm triggering device starts the alarm to give an alarm to inform workers to process the ticket in time, the ticket checking system can quickly check tickets for tourists entering a garden through database comparison, reduces the time for checking tickets and waiting in a queue, has ticket checking efficiency and improves the experience of the tourists, the tourists exceeding the weight limit of some projects in the garden can be automatically marked when passing through the system, the privacy is ensured, meanwhile, the weight is reported in case of false, the safety of the tourists is ensured, when the ticket-checking machine and the tourists break the ticket or the tourists break the ticket, the buffer device can protect the ticket-checking machine and the tourists from being damaged.

Description

Automatic ticket checking machine in garden based on face recognition

Technical Field

The invention relates to the technical field of ticket checking equipment, in particular to a park automatic ticket checking machine based on face recognition.

Background

Along with the improvement of economic level, people begin to pursue relaxation of amateur life, scenic spot plays or is the leisure mode that people selected most often such as amusement park, and the passenger flow volume during holidays is big, traditional ticket checking mode is the mode of checking up the inspection with the manual work, every gate all needs to arrange personnel to check up the ticket work, thereby cost a large amount of manpower resources and inefficiency, not only staff intensity of labour is big, and influence visitor's trip experience, and take place to flee the ticket occasionally or the condition of rushing into by force, cause the damage to visitor's safety or the interception equipment of entry, influence follow-up ticket checking efficiency. The present invention sets forth a device that solves the above problems.

Disclosure of Invention

The technical problem is as follows:

the traditional ticket checking mode is a mode of checking and checking manually, a large amount of human resources are spent, the efficiency is low, the labor intensity is high, the trip experience of tourists is influenced, and the safety of the tourists or the entrance intercepting equipment is damaged when ticket evasion or forced intrusion occurs, so that the follow-up ticket checking efficiency is influenced.

In order to solve the problems, the park automatic ticket checker based on face recognition is designed in the embodiment, and comprises a bottom plate, supporting blocks are symmetrically and fixedly arranged on the left and right sides of the upper end surface of the bottom plate, an intercepting device is arranged between the supporting blocks, the intercepting device comprises a turnover cavity arranged on the left end surface of the supporting block on the right side, the upper wall and the lower wall of the turnover cavity are symmetrically and communicated with a first sliding block cavity, a first sliding block is arranged in the first sliding block cavity in a front-back sliding manner, a cylindrical block is rotatably arranged between the first sliding blocks, three intercepting rods are uniformly distributed and fixedly arranged on the left end surface of the cylindrical block, a buffer device is arranged in the supporting block and comprises a locking cavity arranged on the right end surface of the supporting block on the left side, the left ends of the intercepting rods extend into the locking cavity and are jointly and fixedly provided with a fixing rod, the locking cavity left wall front side intercommunication is equipped with the second slider chamber, the gliding second slider that is equipped with in the second slider chamber, second slider right-hand member face is equipped with opening fixture block chamber to the right, the fixture block intracavity can the horizontal gliding fixture block that is equipped with, the fixture block with fixedly connected with first spring between the fixture block intracavity wall, the dead lever left end face is equipped with the draw-in groove of opening left, the fixture block right-hand member can stretch into block in the draw-in groove, it is left be equipped with alarm trigger device on the supporting shoe, alarm trigger device is including fixed locating left the siren of supporting shoe up end, when someone's intention breaks into by force, alarm trigger device starts the siren sends out the police dispatch newspaper, notifies the staff in time to handle. Preferably, a supporting rod is fixedly arranged on the rear side of the upper end face of the supporting block on the right side, a face recognition module is fixedly arranged at the upper end of the supporting rod, the face recognition module is connected to a database and checks the qualification of entering a garden according to face recognition information, a pedal cavity with an upward opening is arranged on the upper end face of the bottom plate, a third slider cavity is communicated with the lower wall of the pedal cavity, a pedal is arranged in the pedal cavity and can slide up and down, a third slider is fixedly arranged on the lower end face of the pedal, a slot is communicated with the lower wall of the third slider cavity, a first pressure sensor is fixedly arranged on the lower wall of the slot, a support rod capable of extending into the slot is fixedly arranged on the lower end face of the third slider, a support rod is fixedly connected between the third slider and the inner wall of the third slider cavity, and when tourists pass through the upper end face of the pedal, the tourists exceeding the weight limit, and then the support rod props against the first pressure sensor, and then the information of the tourist is marked in the database, so that the safety of the tourist is ensured while the privacy is ensured and the weight is reported in case of false.

Preferably, the intercepting device comprises a third spring fixedly arranged between the first slider and the inner wall of the first slider cavity, a slide rod is arranged in the right wall of the clamping groove in a leftward-rightward sliding manner, a push block is fixedly arranged at the left end of the slide rod in the clamping groove, a cam cavity is arranged in the cylindrical block and at the right side of the slide rod, the right end of the slide rod penetrates through the middle position, the intercepting rod extends into the cam cavity, an output shaft which is coaxial with the cylindrical block is arranged in the lower wall of the cam cavity in a rotating manner, a cam is fixedly arranged in the cam cavity at the upper end of the output shaft, a motor is fixedly arranged in the upper end of the first slider at the lower side, the lower end of the output shaft extends to the lower side of the cylindrical block, power is connected to the motor, and when the front end of the cam is turned to the left limit position, the cam pushes the slide, and the pushing block pushes the clamping block out of the clamping groove, and the cam abuts against the rear wall of the cam cavity at the moment.

Preferably, the buffer device comprises a limiting groove which is symmetrical up and down and is communicated with the upper wall and the lower wall of the second sliding block cavity, the upper end surface and the lower end surface of the second sliding block are symmetrically and fixedly provided with a limiting block, one end of the limiting block extends into the limiting groove, the supporting block on the left side is internally provided with a first toothed bar cavity, the first toothed bar cavity is internally provided with a first toothed bar capable of sliding back and forth, a first pull wire is fixedly connected between the front end of the first toothed bar and the left end of the second sliding block, the rear wall of the first toothed bar cavity is internally provided with a winding cavity, the rear wall of the winding cavity is rotatably provided with a winding wheel, the winding wheel is wound with a second pull wire, one end of the second pull wire is fixedly connected with the first toothed bar, a first torsion spring is fixedly connected between the front end surface of the winding wheel and the inner wall of the winding cavity, when a person intends to forcedly rush, the person, the first sliding block can slide backwards, and the third spring, when the first sliding block slides backwards, the second sliding block on the left side moves rightwards along with the first sliding block and slightly turns backwards, and therefore damage to tourists and ticket checking machines is avoided.

Preferably, the alarm triggering device is located including the intercommunication the ratchet chamber of first rack bar chamber right side wall front side, the rotatable pivot that is equipped with in the ratchet chamber upper wall, the fixed ratchet that is equipped with of pivot lower extreme can with first rack bar meshing, the fixed gear that is equipped with on the supporting shoe, the wall intercommunication is equipped with the second rack bar chamber behind the ratchet chamber, gliding second rack bar that is equipped with around the second rack bar intracavity, the second rack bar front end extends to ratchet intracavity and meshing in the gear, the fixed electric connection that is equipped with of second rack bar chamber rear wall in the second pressure sensor of siren.

Preferably, the gear with fixedly connected with second torsional spring between the ratchet chamber upper wall, work as when first rack is in back extreme position, first rack with the ratchet is in the state of not meshing, first rack slightly preceding slip can with ratchet meshing transmission, work as first rack when sliding forward with the ratchet meshing, at this moment the ratchet drives the pivot is rotated, and then the gear drives second rack slightly backward slides, when first rack is slided backward, the ratchet does not drive the pivot is rotated, if first rack only slides forward once and then regards as the mistake and touches, second rack can't backward slide to back extreme position, when someone forces in first rack slides back and forth, and can't backward slide to back extreme position in the clearance time that ticket checking machine received the collision, and then the ratchet constantly drives the pivot rotates until second rack slides backward to back extreme position and conflicts the second pressure And the sensor and the second pressure sensor send out an alarm signal, and after the first rack bar is positioned at the rear limit position again, the gear rotates reversely under the action of the second torsion spring, so that the second rack bar slides forwards to the front limit position.

The invention has the beneficial effects that: the ticket checking machine and the ticket checking method can quickly check tickets for tourists entering a park through database comparison, reduce ticket checking and queuing waiting time, improve ticket checking efficiency and improve the experience of the tourists, can automatically mark the tourists exceeding the weight limit of certain projects in the park when passing through the park, prevent the weight from being reported falsely while ensuring privacy, ensure the safety of the tourists, and can protect the ticket checking machine and the tourists from being damaged when the existing ticket evading or forcedly entering tourists are released.

Drawings

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

FIG. 1 is a schematic view of the overall structure of a park automatic ticket checker based on face recognition according to the present invention;

FIG. 2 is a sectional view taken in the direction "A-A" of FIG. 1;

FIG. 3 is an enlarged schematic view of "B" of FIG. 1;

FIG. 4 is an enlarged schematic view of "C" of FIG. 1;

FIG. 5 is an enlarged schematic view of "D" of FIG. 2;

FIG. 6 is an enlarged schematic view of "E" of FIG. 2;

FIG. 7 is a cross-sectional view taken in the direction "F-F" of FIG. 3;

fig. 8 is a sectional view in the direction of "G-G" of fig. 6.

Detailed Description

The invention will now be described in detail with reference to fig. 1-8, for ease of description, the orientations described below will now be 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.

The invention relates to a park automatic ticket checking machine based on face recognition, which is mainly applied to ticket checking work in places such as amusement park, and the like, and the invention is further explained by combining the attached drawings of the invention:

the invention relates to a park automatic ticket checker based on face recognition, which comprises a bottom plate 11, wherein the upper end surface of the bottom plate 11 is bilaterally symmetrical and is fixedly provided with supporting blocks 12, an intercepting device 101 is arranged between the supporting blocks 12, the intercepting device 101 comprises a turnover cavity 13 arranged on the left end surface of the supporting block 12 on the right side, the upper wall and the lower wall of the turnover cavity 13 are symmetrical and are communicated with a first slider cavity 14, the first slider cavity 14 is internally provided with a first slider 15 capable of sliding forwards and backwards, a cylindrical block 16 is rotatably arranged between the first sliders 15, three intercepting rods 20 are uniformly distributed and fixedly arranged on the left end surface of the cylindrical block 16, a buffer device 102 is arranged in the supporting block 12, the buffer device 102 comprises a locking cavity 21 arranged on the right end surface of the supporting block 12 on the left side, the left ends of the intercepting rods 20 extend into the locking cavity 21 and are jointly and fixedly provided with a fixing, locking chamber 21 left wall front side intercommunication is equipped with second slider chamber 22, second slider chamber 22 is equipped with second slider 23 that can slide, second slider 23 right-hand member face is equipped with opening right fixture block chamber 24, fixture block chamber 24 is interior horizontal gliding fixture block 25 that is equipped with, fixture block 25 with the first spring 26 of fixedly connected with between the fixture block chamber 24 inner wall, dead lever 61 left end face is equipped with opening left draw-in groove 27, fixture block 25 right-hand member goes into block 27 is interior to block, it is left be equipped with alarm trigger device 103 on the supporting shoe 12, alarm trigger device 103 is left including fixed locating the siren 60 of supporting shoe 12 up end, when someone's intention breaks through by force, alarm trigger device 103 starts siren 60 sends out the police dispatch newspaper, and the notice staff is accessible time handled.

Beneficially, a supporting rod 58 is fixedly arranged on the rear side of the upper end face of the supporting block 12 on the right side, a face recognition module 59 is fixedly arranged at the upper end of the supporting rod 58, the face recognition module 59 is connected to a database and qualified for entering a circle according to face recognition information check, a pedal cavity 50 with an upward opening is arranged on the upper end face of the bottom plate 11, a third slider cavity 51 is communicated with the lower wall of the pedal cavity 50, a pedal 52 is arranged in the pedal cavity 50 and can slide up and down, a third slider 53 is fixedly arranged on the lower end face of the pedal 52, a slot 54 is communicated with the lower wall of the third slider cavity 51, a first pressure sensor 55 is fixedly arranged on the lower wall of the slot 54, a resisting rod 56 capable of extending into the slot 54 is fixedly arranged on the lower end face of the third slider 53, a resisting rod 56 is fixedly connected between the third slider 53 and the inner wall of the third slider cavity 51, when, tourists who exceed the weight limit of some projects in the park can press down the pedal 52 to the lower limit position, then the abutting rod 56 abuts against the first pressure sensor 55, and then information of the tourists is marked in the database, so that the privacy is guaranteed, meanwhile, the weight is reported in case of false, and the safety of the tourists is guaranteed.

Beneficially, as described in detail below for the intercepting device 101, the intercepting device 101 includes a third spring 49 fixedly disposed between the first slider 15 and the inner wall of the first slider cavity 14, a slide rod 28 is disposed in the right wall of the slot 27 and capable of sliding left and right, a push block 29 is disposed at the left end of the slide rod 28 in the slot 27, a cam cavity 30 is disposed in the cylindrical block 16 and at the right side of the slide rod 28, the right end of the slide rod 28 penetrates through the blocking rod 20 passing through the middle position and extends into the cam cavity 30, an output shaft 18 coaxial with the cylindrical block 16 is disposed in the lower wall of the cam cavity 30 and capable of rotating, a cam 31 is fixedly disposed in the inner side of the cam cavity 30 at the upper end of the output shaft 18, a motor 17 is fixedly disposed in the upper end face of the first slider 15, the lower end of the output shaft 18 extends to the lower side of the cylindrical block 16 and is in power connection with the motor 17, when the front end of the cam 31 is turned to the left limit position, the cam 31 pushes the slide rod 28 to the left limit position, and the push block 29 pushes the clamping block 25 out of the clamping groove 27, at this time, the cam 31 is abutted to the rear wall of the cam cavity 30.

Beneficially, as will be described in detail below, the buffer device 102 includes a limiting groove 32 which is vertically symmetrical and is communicated with the front side of the upper wall and the lower wall of the second slider cavity 22, a limiting block 33 which is vertically symmetrical and is fixedly provided with an end extending into the limiting groove 32 is provided on the upper end and the lower end of the second slider 23, a first rack cavity 34 is provided in the support block 12 on the left side, a first rack 35 is provided in the first rack cavity 34 and is capable of sliding back and forth, a first pull wire 36 is fixedly connected between the front end of the first rack 35 and the left end of the second slider 23, a winding cavity 37 is provided in the rear wall of the first rack cavity 34, a winding wheel 38 is rotatably provided on the rear wall of the winding cavity 37, a second pull wire 39 which is fixedly connected with one end of the first rack 35 is wound on the winding wheel 38, a first torsion spring 40 is fixedly connected between the front end of the winding wheel 38 and the inner wall of the winding cavity 37, when people intend to force to break in, the first sliding block 15 can slide backwards, the third spring 49 provides buffering force for the first sliding block 15, and the second sliding block 23 on the left side moves rightwards and slightly turns backwards when the first sliding block 15 slides backwards, so that the tourists and the ticket checker are prevented from being damaged.

Beneficially, the alarm triggering device 103 is described in detail below, the alarm triggering device 103 includes a ratchet cavity 41 disposed in front of the right wall of the first gear cavity 34, a rotating shaft 42 is rotatably disposed in the upper wall of the ratchet cavity 41, a ratchet 43 engageable with the first gear 35 is fixedly disposed at the lower end of the rotating shaft 42, a gear 44 is fixedly disposed on the support block 12, a second gear cavity 45 is disposed in communication with the rear wall of the ratchet cavity 41, a second gear 46 is slidably disposed in the second gear cavity 45 in a front-back direction, a front end of the second gear 46 extends into the ratchet cavity 41 and is engaged with the gear 44, and a second pressure sensor 47 electrically connected to the alarm 60 is fixedly disposed on the rear wall of the second gear cavity 45.

Advantageously, a second torsion spring 48 is fixedly connected between the gear 44 and the upper wall of the ratchet cavity 41, when the first rack 35 is at the rear limit position, the first rack 35 and the ratchet 43 are in an unengaged state, the first rack 35 slides forward slightly to be in engagement transmission with the ratchet 43, when the first rack 35 slides forward, the first rack is engaged with the ratchet 43, the ratchet 43 drives the rotating shaft 42 to rotate, the gear 44 drives the second rack 46 to slide backward slightly, when the first rack 35 slides backward, the ratchet 43 does not drive the rotating shaft 42 to rotate, if the first rack 35 slides forward only once, it is considered as a mis-touch, the second rack 46 cannot slide backward to the rear limit position, when a person forcibly breaks in, the first rack 35 slides back and forth, and the first rack 35 cannot slide backward to the rear limit position within a gap time when the ticket checker is collided, and then the ratchet wheel 43 continuously drives the rotating shaft 42 to rotate until the second rack bar 46 slides backwards to the rear limit position and collides with the second pressure sensor 47, then the second pressure sensor 47 sends out an alarm signal, and after the first rack bar 35 is positioned at the rear limit position again, the gear 44 rotates reversely under the action of the second torsion spring 48, and then the second rack bar 46 slides forwards to the front limit position.

The following describes in detail the use steps of a campus automatic ticket checker based on face recognition with reference to fig. 1 to 8:

at the beginning, the first slider 15 is at the front limit position, the third spring 49 is always in a compressed state, the fixing rod 61 is in the locking cavity 21, the second slider 23 is at the left limit position, the right end of the clamping block 25 is clamped in the clamping groove 27, the sliding rod 28 is at the right limit position, the first rack 35 is at the rear limit position, the second rack 46 is at the front limit position, and the pedal 52 and the third slider 53 are at the upper limit position.

When the tourist is located in front of the intercepting rod 20, the face recognition module 59 collects face information and compares the face information with the information in the database, after the comparison is passed, the motor 17 is started to drive the output shaft 18 and the cam 31 to rotate, when the front end of the cam 31 is turned leftwards to the left limit position, the cam 31 pushes the slide bar 28 leftwards to the left limit position, the push block 29 pushes the fixture block 25 out of the fixture groove 27, the fixing rod 61 is unlocked, at the moment, the cam 31 is abutted against the rear wall of the cam cavity 30, the output shaft 18 continues to drive the cam 31 to rotate, the cylindrical block 16 and the intercepting rod 20 are further driven to turn backwards, the tourist can pass through the space between the pedals 12, when the tourist passes through the upper end surface of the pedal 52, the tourist exceeding the weight limit of some items in the supporting block circle can press the pedal 52 downwards to the lower limit position, the abutting rod 56 is abutted against the first pressure sensor 55, and then the information of the, when guaranteeing privacy nature in case prevent falsely reporting weight, guarantee visitor's safety, the visitor passes through the back, and motor 17 drives output shaft 18 reversal, and then cam 31 overturns earlier to support against with the right wall of cam chamber 30, and then drives cylinder piece 16 and rotate and reply to initial condition, and slide bar 28 right-hand member does not support against cam 31 this moment, and then under the effect of first spring 26 fixture block 25 right-hand member stretches into the draw-in groove 27 and blocks again.

When a person intends to force the blocking bar 20 to enter the park, the first slider 15 can slide backwards, the third spring 49 provides buffering force for the first slider 15, the left second slider 23 moves rightwards and turns backwards slightly when the first slider 15 slides backwards, so as to avoid damage to tourists and ticket detectors, the first toothed bar 35 is pulled forwards through the first pull wire 36 when the second slider 23 slides rightwards, the first toothed bar 35 slides forwards and is meshed with the ratchet wheel 43, at this time, the ratchet wheel 43 drives the rotating shaft 42 to rotate, the gear 44 drives the second toothed bar 46 to slide backwards slightly, when the first toothed bar 35 slides backwards, the ratchet wheel 43 does not drive the rotating shaft 42 to rotate, if the first toothed bar 35 slides forwards only once, the second toothed bar 46 cannot slide backwards to the rear limit position, the winding wheel 38 winds the second pull wire 39 to pull the first toothed bar 35 to slide backwards under the action of the first torsion spring 40, if the blocking bar 35 collides forwards and backwards to slide backwards due to the effect that the blocking bar 20 collides forwards and backwards, and the first rack bar 35 can not slide backwards to the rear limit position within the gap time when the intercepting bar 20 is collided, then the ratchet 43 continuously drives the rotating shaft 42 to rotate until the second rack bar 46 slides backwards to the rear limit position to collide with the second pressure sensor 47, then the second pressure sensor 47 sends out an alarm signal, after the processing of the working personnel is finished, the first slider 15 is reset under the action of the third spring 49, then the second slider 23 is reset, the second pull wire 39 is wound by the winding wheel 38 under the action of the first torsion spring 40, then the first rack bar 35 is pulled to be positioned at the rear limit position again, the gear 44 is reversed under the action of the second torsion spring 48, and then the second rack bar 46 slides forwards to the front limit position,

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides an automatic ticket checking machine in garden based on face identification, includes the bottom plate, bottom plate up end bilateral symmetry just fixedly is equipped with the supporting shoe, be equipped with intercepting device, its characterized in that between the supporting shoe: the intercepting device comprises an overturning cavity arranged on the left end face of the supporting block on the right side, the upper wall and the lower wall of the overturning cavity are symmetrically communicated and provided with a first slide block cavity, a first slide block is arranged in the first slide block cavity in a front-back sliding manner, a cylindrical block is rotatably arranged between the first slide blocks, three intercepting rods are uniformly distributed and fixedly arranged on the left end face of the cylindrical block, a buffer device is arranged in the supporting block and comprises a locking cavity arranged on the right end face of the supporting block on the left side, the left ends of the intercepting rods extend into the locking cavity and are jointly and fixedly provided with a fixed rod, the front side of the left wall of the locking cavity is communicated and provided with a second slide block cavity, a second slide block is arranged in the second slide block cavity in a sliding manner, the right end face of the second slide block is provided with a rightward clamping block cavity, a clamping block is arranged in the clamping block cavity in a left-, the left end face of the fixed rod is provided with a clamping groove with a left opening, the right end of the clamping block can extend into the clamping groove to be clamped, the left supporting block is provided with an alarm triggering device, the alarm triggering device comprises an alarm fixedly arranged on the upper end face of the left supporting block, and when people forcibly intrude, the alarm triggering device starts the alarm to give an alarm to inform a worker of timely processing.

2. The park automatic ticket gate based on face recognition of claim 1, characterized in that: a supporting rod is fixedly arranged on the rear side of the upper end face of the supporting block on the right side, a face recognition module is fixedly arranged at the upper end of the supporting rod, the face recognition module is connected to a database and checks the qualification of entering the garden according to face recognition information, a pedal cavity with an upward opening is arranged on the upper end face of the bottom plate, a third slider cavity is communicated with the lower wall of the pedal cavity, a pedal is arranged in the pedal cavity and can slide up and down, a third slider is fixedly arranged on the lower end face of the pedal, a slot is communicated with the lower wall of the third slider cavity, a first pressure sensor is fixedly arranged on the lower wall of the slot, a support rod capable of extending into the slot is fixedly arranged on the lower end face of the third slider, a support rod is fixedly connected between the third slider and the inner wall of the third slider cavity, and when a visitor passes through the upper end face of the pedal, the visitor exceeding the weight, and then the support rod props against the first pressure sensor, and then the information of the tourist is marked in the database, so that the safety of the tourist is ensured while the privacy is ensured and the weight is reported in case of false.

3. The park automatic ticket gate based on face recognition of claim 1, characterized in that: the intercepting device comprises a third spring fixedly arranged between the first slider and the inner wall of the first slider cavity, a slide rod is arranged in the right wall of the clamping groove and can slide left and right, a push block is fixedly arranged at the left end of the slide rod in the clamping groove, a cam cavity is arranged in the cylindrical block and at the right side of the slide rod, the right end of the slide rod penetrates through the intercepting rod at an intermediate position and extends into the cam cavity, an output shaft which is coaxial with the cylindrical block is arranged in the lower wall of the cam cavity in a rotating manner, a cam is fixedly arranged at the upper end of the output shaft in the cam cavity, a motor is fixedly arranged at the upper end of the first slider at the lower side, the lower end of the output shaft extends to the lower side of the cylindrical block and is in power connection with the motor, when the front end of the cam is turned to a left limit position, the cam pushes the left slide rod to the left limit position, and, at the moment, the cam abuts against the rear wall of the cam cavity.

4. The park automatic ticket gate based on face recognition of claim 1, characterized in that: the buffer device comprises limiting grooves which are symmetrical up and down and are communicated with the front sides of the upper wall and the lower wall of the second sliding block cavity, the upper end surface and the lower end surface of the second sliding block are symmetrically and fixedly provided with limiting blocks, one ends of the limiting blocks extend into the limiting grooves, a first rack rod cavity is arranged in the supporting block on the left side, a first rack rod is arranged in the first rack rod cavity in a front-back sliding manner, a first pull wire is fixedly connected between the front end of the first rack rod and the left end of the second sliding block, a winding cavity is arranged in the rear wall of the first rack rod cavity, a winding wheel is rotatably arranged on the rear wall of the winding cavity, a second pull wire is wound on the winding wheel, one end of the second pull wire is fixedly connected with the first rack rod, a first torsion spring is fixedly connected between the front end surface of the winding wheel and the inner wall of the winding cavity, when people intend to forcedly rush, the first sliding block can slide backwards, and a third spring provides buffering, when the first sliding block slides backwards, the second sliding block on the left side moves rightwards along with the first sliding block and slightly turns backwards, and therefore damage to tourists and ticket checking machines is avoided.

5. The park automatic ticket gate based on face recognition of claim 4, wherein: alarm trigger device locates including the intercommunication the ratchet chamber of first rack bar chamber right side wall front side, rotatable pivot that is equipped with in the ratchet chamber upper wall, the fixed being equipped with of pivot lower extreme can with the ratchet of first rack bar meshing, the fixed gear that is equipped with on the supporting shoe, the wall intercommunication is equipped with the second rack bar chamber behind the ratchet chamber, gliding second rack bar that is equipped with around the second rack bar intracavity, the second rack bar front end extends to ratchet intracavity and meshing in the gear, the fixed electric connection that is equipped with of second rack bar chamber rear wall in the second pressure sensor of siren.

6. The park automatic ticket gate based on face recognition of claim 5, wherein: a second torsion spring is fixedly connected between the gear and the upper wall of the ratchet cavity, when the first toothed bar is at the rear limit position, the first toothed bar and the ratchet are in a non-meshed state, the first toothed bar slightly slides forwards to be meshed with the ratchet for transmission, when the first toothed bar slides forwards, the first toothed bar is meshed with the ratchet, the ratchet drives the rotating shaft to rotate, the gear drives the second toothed bar to slightly slide backwards, when the first toothed bar slides backwards, the ratchet does not drive the rotating shaft to rotate, if the first toothed bar slides forwards only once, the first toothed bar is considered to be mistakenly touched, the second toothed bar cannot slide backwards to the rear limit position, when a person forcedly rushes in, the first toothed bar slides forwards and backwards in a reciprocating manner, and cannot slide backwards to the rear limit position within the clearance time when the ticket checker is collided, the ratchet further drives the rotating shaft to rotate until the second toothed bar slides backwards to the rear limit position to collide with the second pressure sensor, and then the second pressure sensor sends out an alarm signal, and after the first rack bar is positioned at the rear limit position again, the gear rotates reversely under the action of the second torsion spring, so that the second rack bar slides forwards to the front limit position.