阅读说明：本技术 一种防止夹手的安检设备 (Security inspection equipment capable of preventing hand from being clamped ) 是由 金长义 于 2020-05-27 设计创作，主要内容包括：本发明公开了一种防止夹手的安检设备,包括检测箱,所述检测箱后侧端面上固定设有后固定块,所述后固定块前侧端面上固定设有位于所述检测箱下侧的固定板以及位于所述固定板下侧的清洁箱,所述清洁箱前侧端面上固定设有前挡板,所述清洁箱内设有清洁机构,所述后固定块内设有卡死反转腔,所述卡死反转腔后侧内壁上设有动力机构；本发明结构简单,操作便捷,实现了当出现人员手被卡在传送带里时,传送带自动反转,使人员能轻易的将手取出,保证人员的人生安全,同时在安检过程中能自动对传送带进行清洁风干,保证传送带的清洁卫生,本发明适合于各大公共交通枢纽进行推广。(The invention discloses security inspection equipment for preventing hand clamping, which comprises a detection box, wherein a rear fixed block is fixedly arranged on the end surface of the rear side of the detection box, a fixed plate positioned on the lower side of the detection box and a cleaning box positioned on the lower side of the fixed plate are fixedly arranged on the end surface of the front side of the rear fixed block, a front baffle is fixedly arranged on the end surface of the front side of the cleaning box, a cleaning mechanism is arranged in the cleaning box, a clamping reverse rotation cavity is arranged in the rear fixed block, and a power mechanism is arranged on the inner wall of the rear side of the clamping reverse rotation cavity; the invention has simple structure and convenient operation, realizes automatic reverse rotation of the conveyor belt when the hands of the personnel are clamped in the conveyor belt, ensures the personnel safety, can automatically clean and air-dry the conveyor belt in the security inspection process, and ensures the cleanness and sanitation of the conveyor belt.)

1. A security inspection device for preventing hand clamping comprises a mobile station, and is characterized in that: a rear fixing block is fixedly arranged on the end face of the rear side of the detection box, a fixing plate positioned on the lower side of the detection box and a cleaning box positioned on the lower side of the fixing plate are fixedly arranged on the end face of the front side of the rear fixing block, a front baffle is fixedly arranged on the end face of the front side of the cleaning box, a cleaning mechanism is arranged in the cleaning box, a clamping reverse rotation cavity is arranged in the rear fixing block, and a power mechanism is arranged on the inner wall of the rear side of the clamping reverse rotation cavity; the safety inspection transmission shafts are positioned on the left side and the right side of the fixed plate and are in bilateral symmetry in a rotating mode, the safety inspection transmission shafts are fixedly provided with transmission wheels, the transmission wheels are connected in a transmission fit mode through a transmission belt, the safety inspection transmission shaft on the right side extends backwards to penetrate through the inner wall of the front side of the clamping reverse rotation cavity and is in rotating fit connection with the inner wall of the front side of the clamping reverse rotation cavity, the upper inner wall and the lower inner wall of the clamping reverse rotation cavity are provided with rotating wheel cavities with openings facing the circle center of the first rotating wheel, a second rotating wheel is arranged in the rotating wheel cavities in a friction mode, a rotating wheel inner cavity is arranged in the second rotating wheel in a front-back through mode, a fixture block sliding groove with an upward opening is formed in the bottom wall in the rotating wheel inner cavity, a fixture block spring fixedly connected with the inner bottom wall of the fixture block, a convex block fixedly connected with the top end face of the rotating wheel cavity is arranged in the convex block pull rope cavity in a sliding manner, a first pull rope is fixedly connected with the right end face of the convex block, a first rotating wheel positioned in the rotating wheel cavity is fixedly arranged on the part, positioned in the reverse rotation clamping cavity, of the security inspection transmission shaft on the right side, a stop block pull rope cavity with a backward opening is arranged on the rear end face of the first rotating wheel, a pressed block sliding groove is formed in the top wall of the stop block pull rope cavity in an up-down penetrating manner, a pressed block matched with the clamping block is arranged in the pressed block sliding groove in a sliding manner, limiting sliding grooves with symmetrical front and back and mutually close openings are arranged on the front and back inner walls of the pressed block sliding groove, a limiting block fixedly connected with the pressed block is arranged in the limiting sliding groove in a sliding manner, a reset spring fixedly connected with the top wall of the limiting sliding groove is arranged on the top, the power transmission shaft is fixedly provided with a third rotating wheel, the front end face of the third rotating wheel and the rear end face of the first rotating wheel are fixedly provided with first magnets which are symmetrical in front and back and mutually attracted, the front end face of the third rotating wheel is fixedly provided with a stop block which is positioned at the rear side and the upper side of the first magnet extends forwards into the stop block pull rope cavity, and the left end face of the part of the stop block extending into the stop block pull rope cavity is fixedly connected with a second pull rope.

2. The security inspection apparatus for preventing hand from being pinched according to claim 1, wherein: the power mechanism comprises a power cavity arranged on the inner wall of the rear side of the clamping reverse rotation cavity, a motor is fixedly arranged on the inner wall of the rear side of the power cavity, a spline shaft which extends forwards and is connected with the inner wall of the front side of the power cavity in a rotating fit manner is connected to the end face of the front side of the motor in a power connection manner, a driving belt wheel and a first transmission gear arranged on the front side of the driving belt wheel are rotatably arranged on the spline shaft, a spline sleeve arranged between the driving belt wheel and the first transmission gear is in spline fit on the spline shaft, an annular shifting block is fixedly arranged on the annular end face of the spline sleeve, a moving block sliding groove with a downward opening is arranged on the top wall in the power cavity, a moving block is arranged in the moving block sliding groove in a friction sliding manner, an inner cavity of the moving block is vertically communicated with the moving block, the end face of the left side of the moving block is fixedly connected with the other end of the second pull rope far away from the stop block, the end face of the right side of the moving block is fixedly connected with the other end of the first pull rope far away from the convex block, a shifting block chute with a downward opening is arranged on the inner top wall of the sliding block chute of the moving block, a shifting block with a downward opening is arranged in the shifting block chute in a sliding manner, the downward opening of the shifting block is connected with the annular shifting block in a rotating fit manner through a bearing, third magnets which are symmetrical front and back and are matched with the second magnets are fixedly arranged on the front and back end faces of the shifting block, the part of the motor, which is positioned in the power cavity, extends backwards penetrates through the front and back inner walls of the power cavity and is connected with the front and back inner walls of the power cavity in a rotating fit manner, and a first bevel gear, a, the driven belt wheel is connected with the driving belt wheel in a transmission fit mode through a first transmission belt, a power belt wheel shaft extending downwards is rotatably connected to the inner bottom wall of the power cavity, a second bevel gear meshed with the first bevel gear is fixedly arranged on the power belt wheel shaft, a power belt wheel cavity is formed in the inner bottom wall of the power cavity, the power belt wheel shaft penetrates through the upper inner wall and the lower inner wall of the power belt wheel cavity and is connected with the power belt wheel shaft in a transmission fit mode, and the portion, located in the power belt wheel cavity, of the power belt wheel shaft is fixedly provided with the power belt wheel.

3. The security inspection apparatus for preventing hand from being pinched according to claim 2, wherein: the front and rear inner walls of the spline housing are fixedly provided with first meshing teeth which are symmetrical front and rear, and the front end face of the driving pulley and the rear end face of the first transmission gear are fixedly provided with second meshing teeth which are symmetrical front and rear and matched with the first meshing teeth.

4. The security inspection apparatus for preventing hand from being pinched according to claim 1, wherein: the cleaning mechanism comprises a cleaning cavity with an upward opening, which is arranged in the cleaning box, a cleaning belt wheel cavity and a fan belt wheel cavity which is positioned on the right side of the cleaning belt wheel cavity are arranged on the inner bottom wall, a fan transmission shaft which extends upwards is rotatably connected to the upper inner wall and the lower inner wall of the fan belt wheel cavity, fan belt wheels which are symmetrical up and down are fixedly arranged on the fan transmission shaft, the fan belt wheels on the lower side are connected with the power belt wheels in a transmission fit manner through a second transmission belt, a fan is fixedly arranged on the part, which extends upwards into the cleaning cavity, of the fan transmission shaft, an upward extending cleaning transmission shaft is rotatably connected to the upper inner wall and the lower inner wall of the cleaning belt wheel cavity, a cleaning belt wheel is fixedly arranged on the cleaning transmission shaft, the cleaning belt wheels are connected with the power belt wheels on the upper side in a transmission fit manner through a third, and a cleaning disc which is abutted against the conveyor belt is fixedly arranged on the end surface of the top of the cleaning turntable.

Technical Field

The invention relates to the field of security inspection equipment, in particular to security inspection equipment for preventing hand clamping.

Background

The safety inspection is to inspect whether the passengers and their luggage carry dangerous articles such as firearms, ammunition, flammability, explosiveness, corrosion, toxic radioactivity, etc., so as to ensure the personal and property safety of the carriers and passengers.

At present, in order to ensure the personal and property safety of a carrier and passengers, security inspection equipment is widely applied to various large transportation hubs, and during the operation process of the security inspection equipment, the situation that the hands of individual personnel are clamped in a conveyor belt occurs, so that potential safety hazards exist to a certain degree.

Disclosure of Invention

The invention aims to solve the technical problem of providing the safety inspection equipment for preventing hands from being clamped, which realizes that the conveyor belt automatically rotates reversely when the hands of people are clamped in the conveyor belt, so that the people can easily take out the hands, the life safety of the people is ensured, meanwhile, the conveyor belt can be automatically cleaned and dried in the safety inspection process, and the cleanness and the sanitation of the conveyor belt are ensured.

The safety inspection equipment for preventing hand clamping comprises a detection box, wherein a rear fixed block is fixedly arranged on the end face of the rear side of the detection box, a fixed plate positioned on the lower side of the detection box and a cleaning box positioned on the lower side of the fixed plate are fixedly arranged on the end face of the front side of the rear fixed block, a front baffle is fixedly arranged on the end face of the front side of the cleaning box, a cleaning mechanism is arranged in the cleaning box, a clamping reverse rotation cavity is arranged in the rear fixed block, and a power mechanism is arranged on the inner wall of the rear side of the clamping reverse rotation cavity; the safety inspection transmission shafts are positioned on the left side and the right side of the fixed plate and are in bilateral symmetry in a rotating mode, the safety inspection transmission shafts are fixedly provided with transmission wheels, the transmission wheels are connected in a transmission fit mode through a transmission belt, the safety inspection transmission shaft on the right side extends backwards to penetrate through the inner wall of the front side of the clamping reverse rotation cavity and is in rotating fit connection with the inner wall of the front side of the clamping reverse rotation cavity, the upper inner wall and the lower inner wall of the clamping reverse rotation cavity are provided with rotating wheel cavities with openings facing the circle center of the first rotating wheel, a second rotating wheel is arranged in the rotating wheel cavities in a friction mode, a rotating wheel inner cavity is arranged in the second rotating wheel in a front-back through mode, a fixture block sliding groove with an upward opening is formed in the bottom wall in the rotating wheel inner cavity, a fixture block spring fixedly connected with the inner bottom wall of the fixture block, a convex block fixedly connected with the top end face of the rotating wheel cavity is arranged in the convex block pull rope cavity in a sliding manner, a first pull rope is fixedly connected with the right end face of the convex block, a first rotating wheel positioned in the rotating wheel cavity is fixedly arranged on the part, positioned in the reverse rotation clamping cavity, of the security inspection transmission shaft on the right side, a stop block pull rope cavity with a backward opening is arranged on the rear end face of the first rotating wheel, a pressed block sliding groove is formed in the top wall of the stop block pull rope cavity in an up-down penetrating manner, a pressed block matched with the clamping block is arranged in the pressed block sliding groove in a sliding manner, limiting sliding grooves with symmetrical front and back and mutually close openings are arranged on the front and back inner walls of the pressed block sliding groove, a limiting block fixedly connected with the pressed block is arranged in the limiting sliding groove in a sliding manner, a reset spring fixedly connected with the top wall of the limiting sliding groove is arranged on the top, the power transmission shaft is fixedly provided with a third rotating wheel, the front end face of the third rotating wheel and the rear end face of the first rotating wheel are fixedly provided with first magnets which are symmetrical in front and back and mutually attracted, the front end face of the third rotating wheel is fixedly provided with a stop block which is positioned at the rear side and the upper side of the first magnet extends forwards into the stop block pull rope cavity, and the left end face of the part of the stop block extending into the stop block pull rope cavity is fixedly connected with a second pull rope.

Further, the power mechanism comprises a power cavity arranged on the inner wall of the rear side of the clamping reverse rotation cavity, a motor is fixedly arranged on the inner wall of the rear side of the power cavity, a spline shaft which extends forwards and is connected with the inner wall of the front side of the power cavity in a rotating fit manner is connected to the end face of the front side of the motor in a power connection manner, a driving pulley and a first transmission gear arranged on the front side of the driving pulley are rotatably arranged on the spline shaft, a spline sleeve arranged between the driving pulley and the first transmission gear is in spline fit on the spline shaft, an annular shifting sheet is fixedly arranged on the annular end face of the spline sleeve, a moving block sliding groove with a downward opening is arranged on the top wall in the power cavity, a moving block is arranged in the moving block sliding groove in a friction sliding manner, a moving block inner cavity is vertically arranged in the moving block in a penetrating manner, and second magnets, the end face of the left side of the moving block is fixedly connected with the other end of the second pull rope far away from the stop block, the end face of the right side of the moving block is fixedly connected with the other end of the first pull rope far away from the convex block, a shifting block chute with a downward opening is arranged on the inner top wall of the sliding block chute of the moving block, a shifting block with a downward opening is arranged in the shifting block chute in a sliding manner, the downward opening of the shifting block is connected with the annular shifting block in a rotating fit manner through a bearing, third magnets which are symmetrical front and back and are matched with the second magnets are fixedly arranged on the front and back end faces of the shifting block, the part of the motor, which is positioned in the power cavity, extends backwards penetrates through the front and back inner walls of the power cavity and is connected with the front and back inner walls of the power cavity in a rotating fit manner, and a first bevel gear, a, the driven belt wheel is connected with the driving belt wheel in a transmission fit mode through a first transmission belt, a power belt wheel shaft extending downwards is rotatably connected to the inner bottom wall of the power cavity, a second bevel gear meshed with the first bevel gear is fixedly arranged on the power belt wheel shaft, a power belt wheel cavity is formed in the inner bottom wall of the power cavity, the power belt wheel shaft penetrates through the upper inner wall and the lower inner wall of the power belt wheel cavity and is connected with the power belt wheel shaft in a transmission fit mode, and the portion, located in the power belt wheel cavity, of the power belt wheel shaft is fixedly provided with the power belt wheel.

Furthermore, the front inner wall and the rear inner wall of the spline housing are fixedly provided with first meshing teeth which are symmetrical front and back, and the front side end face of the driving pulley and the rear side end face of the first transmission gear are fixedly provided with second meshing teeth which are symmetrical front and back and matched with the first meshing teeth.

Furthermore, the cleaning mechanism comprises a cleaning cavity with an upward opening arranged in the cleaning box, a cleaning belt wheel cavity and a fan belt wheel cavity positioned on the right side of the cleaning belt wheel cavity are arranged on the inner bottom wall, a fan transmission shaft extending upwards is rotatably connected to the upper inner wall and the lower inner wall of the fan belt wheel cavity, vertically symmetrical fan belt wheels are fixedly arranged on the fan transmission shaft, the fan belt wheels on the lower side are in transmission fit connection with the power belt wheels through a second transmission belt, a fan is fixedly arranged on the part, extending upwards, of the fan transmission shaft in the cleaning cavity, a cleaning transmission shaft extending upwards is rotatably connected to the upper inner wall and the lower inner wall of the cleaning belt wheel cavity, a cleaning belt wheel is fixedly arranged on the cleaning transmission shaft, the cleaning belt wheel is in transmission fit connection with the power belt wheels on the upper side through a third transmission belt, and a cleaning turntable is fixedly arranged on the top end face of the, and a cleaning disc which is abutted against the conveyor belt is fixedly arranged on the end surface of the top of the cleaning turntable.

The invention has the beneficial effects that: the invention has simple structure and convenient operation, realizes automatic reverse rotation of the conveyor belt when the hands of the personnel are clamped in the conveyor belt, ensures the personnel safety, can automatically clean and air-dry the conveyor belt in the security inspection process, and ensures the cleanness and sanitation of the conveyor belt.

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 a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram at B-B in FIG. 2 according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram at C-C 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.

The security inspection device for preventing hand clamping, which is described in conjunction with the accompanying drawings 1-4, comprises a detection box 10, wherein a rear fixed block 11 is fixedly arranged on the rear end face of the detection box 10, a fixed plate 15 positioned on the lower side of the detection box 10 and a cleaning box 27 positioned on the lower side of the fixed plate 15 are fixedly arranged on the front end face of the rear fixed block 11, a front baffle 44 is fixedly arranged on the front end face of the cleaning box 27, a cleaning mechanism is arranged in the cleaning box 27, a dead-blocking reverse rotation cavity 40 is arranged in the rear fixed block 11, a power mechanism is arranged on the inner wall of the rear side of the dead-blocking reverse rotation cavity 40, security inspection transmission shafts 14 which are positioned on the left and right sides of the fixed plate 15 are rotatably connected between the front end face of the rear fixed block 11 and the rear end face of the front baffle 44, transmission wheels 13 are fixedly arranged on the security inspection transmission, the security inspection transmission shaft 14 on the right side extends backwards to penetrate through the inner wall of the front side of the dead-locking reverse rotation cavity 40 and is connected with the inner wall in a rotating matching manner, the inner walls of the upper and lower sides of the inner wall of the dead-locking reverse rotation cavity 40 are provided with a rotating wheel cavity 50 with an opening facing the center of the first rotating wheel 45, a second rotating wheel 43 is arranged in the rotating wheel cavity 50 in a friction manner, a rotating wheel inner cavity 61 is arranged in the second rotating wheel 43 in a front-back penetrating manner, a fixture block sliding groove 57 with an upward opening is arranged on the inner bottom wall of the rotating wheel inner cavity 61, a fixture block 59 is arranged in the fixture block sliding groove 57 in a sliding manner, a fixture block spring 58 fixedly connected with the inner bottom wall of the fixture block sliding groove 57 is fixedly arranged on the bottom end face of the fixture block 59, a lug pull rope cavity 49 with a downward opening is arranged on the inner top wall of the rotating, the part of the security inspection transmission shaft 14 on the right side, which is located in the blocking reverse rotation cavity 40, is fixedly provided with a first rotating wheel 45 located in the rotating wheel inner cavity 61, the rear end face of the first rotating wheel 45 is provided with a block pull rope cavity 66 with a backward opening, the top wall in the block pull rope cavity 66 is provided with a pressed block sliding groove 62 in a penetrating manner from top to bottom, the pressed block sliding groove 62 is internally provided with a pressed block 63 matched with the clamping block 59 in a sliding manner, the front inner wall and the rear inner wall of the pressed block sliding groove 62 are provided with limiting sliding grooves 46 which are symmetrical from front to back and have mutually close openings, the limiting sliding groove 46 is internally provided with a limiting block 47 fixedly connected with the pressed block 63 in a sliding manner, the top end face of the limiting block 47 is provided with a reset spring 48 fixedly connected with the top wall in the limiting sliding groove 46 in a ancient manner, the rear inner wall of the blocking reverse rotation cavity 40, the front end face of the third runner 41 and the rear end face of the first runner 45 are fixedly provided with first magnets 42 which are symmetrical in front and back and mutually attracted, the front end face of the third runner 41 is fixedly provided with a stopper 51 which is positioned at the rear side and extends forwards into the stopper rope cavity 66 from the upper side of the first magnet 42, and the left end face of the part of the stopper 51 extending into the stopper rope cavity 66 is fixedly connected with a second rope 60.

Advantageously, the power mechanism includes a power cavity 56 formed in the inner wall of the rear side of the locking reverse rotation cavity 40, a motor 28 is fixedly disposed on the inner wall of the rear side of the power cavity 56, a spline shaft 29 extending forward and connected with the inner wall of the front side of the power cavity 56 in a rotationally matched manner is dynamically connected to the end face of the front side of the motor 28, a driving pulley 30 and a first transmission gear 52 located in the front side of the driving pulley 30 are rotationally disposed on the spline shaft 29, a spline housing 54 located between the driving pulley 30 and the first transmission gear 52 is in spline fit on the spline shaft 29, an annular shifting piece is fixedly disposed on the annular end face of the spline housing 54, a moving block sliding groove 67 with a downward opening is disposed on the inner top wall of the power cavity 56, a moving block 68 is disposed in the moving block sliding groove 67 in a frictional and sliding manner, a moving block inner cavity 70 is disposed in the moving block 68 and vertically penetrates through the moving block inner cavity 70, and second, the other end of the second pulling rope 60 far away from the stopper 51 is fixedly connected to the end face of the left side of the moving block 68, the other end of the first pulling rope 65 far away from the protrusion 64 is fixedly connected to the end face of the right side of the moving block 68, a shifting block sliding groove 53 with a downward opening is formed in the top wall of the inner wall of the moving block sliding groove 67, a shifting block 55 with a downward opening is slidably arranged in the shifting block sliding groove 53, the downward opening of the shifting block 55 is connected with the annular shifting block through a bearing in a rotating fit manner, third magnets 71 which are matched with the second magnets 69 in a front-back symmetrical manner are fixedly arranged on the front end face and the rear end face of the shifting block 55, the backward extending portion of the power transmission shaft 38 penetrates through the front-back inner wall of the power cavity 56 and is connected with the front-back inner wall of the power cavity 56 in a rotating fit manner, and a first bevel gear 31, a driven pulley 36 located on the front side of the first bevel The driven pulley 36 is in transmission fit connection with the driving pulley 30 through a first transmission belt 37, a power pulley shaft 35 extending downwards is rotatably connected to the inner bottom wall of the power cavity 56, a second bevel gear 32 meshed with the first bevel gear 31 is fixedly arranged on the power pulley shaft 35, a power pulley cavity 33 is arranged on the inner bottom wall of the power cavity 56, the power pulley shaft 35 penetrates through the upper inner wall and the lower inner wall of the power pulley cavity 33 and is in transmission fit connection with the power pulley cavity 33, and a power pulley 34 is fixedly arranged on the portion, located in the power pulley cavity 33, of the power pulley shaft 35.

Advantageously, the spline housing 54 is fixed with front and rear symmetrical first engaging teeth on the front and rear inner walls, and the front end face of the driving pulley 30 and the rear end face of the first transmission gear 52 are fixed with front and rear symmetrical second engaging teeth matched with the first engaging teeth.

Advantageously, the cleaning mechanism includes a cleaning chamber 16 with an upward opening and arranged in the cleaning box 27, a cleaning pulley chamber 18 and a fan pulley chamber 22 located on the right side of the cleaning pulley chamber 18 are arranged on the inner bottom wall, a fan transmission shaft 23 extending upward is rotatably connected to the upper and lower inner walls of the fan pulley chamber 22, fan pulleys 24 symmetrical up and down are fixedly arranged on the fan transmission shaft 23, the fan pulley 24 on the lower side is in transmission fit connection with the power pulley 34 through a second transmission belt 25, a fan 26 is fixedly arranged on the portion of the fan transmission shaft 23 extending upward into the cleaning chamber 16, a cleaning transmission shaft 20 extending upward is rotatably connected to the upper and lower inner walls of the cleaning pulley chamber 18, a cleaning pulley 19 is fixedly arranged on the cleaning transmission shaft 20, and the cleaning pulley 19 is in transmission fit connection with the power pulley 34 on the upper side through a third transmission belt 21, the top end face of the part of the cleaning transmission shaft 20 extending into the cleaning cavity 16 is fixedly provided with a cleaning turntable 17, and the top end face of the cleaning turntable 17 is fixedly provided with a cleaning disc abutted against the conveyor belt 12.

In an initial state, the stopper 51 abuts against the inner wall of the left side of the stopper rope cavity 66 to loosen the second rope 60, and abuts against the pressed block 63, so that the top end face of the pressed block 63 extends into the inner cavity 61 of the rotating wheel, at this time, the return spring 48 is in a pressed state, the protrusion 64 abuts against the inner wall of the left side of the protrusion rope cavity 49 to tighten the first rope 65, so that the moving block 68 is located at a limit position, the third magnet 71 drives the shifting block 55 to be located at a rear limit position under the action of the second magnet 69 on the left side, so that the spline housing 54 is located at a rear limit position, the first engaging teeth on the front side are disengaged from the second engaging teeth on the front side, and the first engaging teeth on the rear side are engaged with the second engaging teeth on the rear side.

In operation, an article to be security checked is placed on the top end surface of the conveyor belt 12 on the left side of the detection box 10, the motor 28 drives the spline shaft 29 and the spline housing 54 to rotate, thereby driving the driving pulley 30 engaged with the spline housing 54 to rotate forwardly, the driving pulley 30 rotates forwardly to drive the driven pulley 36 to rotate forwardly, thereby driving the first bevel gear 31 and the third pulley 41 coaxial therewith to rotate forwardly, the third pulley 41 rotates forwardly to drive the first pulley 45 to rotate forwardly through the first magnet 42, the first pulley 45 rotates forwardly to drive the conveying wheel 13 coaxial therewith to rotate forwardly, thereby driving the article to be security checked placed on the conveyor belt 12 to move rightwards to complete security check through the detection box 10, the first bevel gear 31 rotates to drive the second bevel gear 32 engaged therewith to rotate, thereby driving the power pulley 34 coaxial with the second bevel gear 32 to rotate, the power pulley 34 rotates to drive the fan pulley 24 on the lower side to rotate, thereby driving the upper fan belt wheel 24 and the fan 26 which are coaxial with the lower fan belt wheel 24 to rotate, the upper fan belt wheel 24 rotates to drive the cleaning belt wheel 19 to rotate, so as to drive the cleaning turntable 17 which is coaxial with the cleaning belt wheel 19 to rotate, the cleaning turntable 17 rotates to drive the cleaning disc to complete cleaning of the conveyor belt 12, and the fan 26 rotates to complete air drying operation of the cleaned conveyor belt 12; when a person's hand or a card is clamped on the conveyor belt 12, the conveyor wheel 13 is prevented from continuing to rotate, so that the security inspection transmission shaft 14 on the right side is prevented from continuing to rotate, the first rotary wheel 45 is prevented from continuing to rotate, the third rotary wheel 41 continues to rotate forward under the driving of the power transmission shaft 38, so that the two first magnets 42 are separated from adsorption and butt joint, the third rotary wheel 41 rotates forward relative to the first rotary wheel 45, the stop block 51 moves rightwards relative to the stop block pull rope cavity 66 to pull the second pull rope 60, the stop block 51 moves rightwards relative to the stop block pull rope cavity 66 to be separated from butt joint with the pressure block 63, the limiting block 47 drives the pressure block 63 to move towards the circle center of the first rotary wheel 45 under the action of the return spring 48, so that the part of the pressure block 63 extending into the rotary wheel inner cavity 61 is contracted into the pressure block sliding groove 62, the second pull rope 60 is pulled to, the bump 64 is moved backwards to the position where the bump 64 abuts against the inner wall of the right side of the bump pull rope cavity 49 and drives the second rotating wheel 43 to rotate forwards, the moving block 68 is moved leftwards to the left limit position and makes the third magnet 71 drive the shifting block 55 to move forwards to the front limit position under the action of the second magnet 69 on the right side, so that the spline housing 54 is moved forwards to the front limit position, the first meshing tooth on the rear side is disengaged from the second meshing tooth on the rear side, and the first meshing tooth on the front side is meshed with the second meshing tooth on the front side, so that the spline housing 54 rotates to drive the first transmission gear 52 meshed with the spline housing to rotate forwards, the first transmission gear 52 rotates forwards to drive the second transmission gear 39 meshed with the first transmission gear to rotate backwards, so as to drive the third rotating wheel 41 coaxial with the second transmission gear 39 to rotate backwards, so that the stopper 51 is moved leftwards relative to the stopper pull rope cavity 66 to loosen the second pull rope 60, and the stopper 51 extrudes the pressed block 63 in a direction far away from the first rotating wheel 45 and in the state, after the third rotating wheel 41 rotates reversely until the two first magnets 42 are again contacted and adsorbed, the third rotating wheel 41 drives the first rotating wheel 45 to rotate reversely, so that the right conveying wheel 13 coaxial with the first rotating wheel 45 rotates reversely, and the clamped article is discharged; when the first rotating wheel 45 rotates reversely to the pressed block 63 and the clamping block 59, the first rotating wheel 45 rotates reversely to drive the second rotating wheel 43 to rotate reversely, so that the convex block 64 moves leftwards relative to the convex block rope cavity 49 to restore the initial state and strain the first rope 65, the moving block 68 moves rightwards to restore the initial position, the third magnet 71 drives the shifting block 55 to move backwards under the action of the left second magnet 69 to restore the initial state, the spline sleeve 54 moves backwards, the first meshing tooth on the rear side is meshed with the second meshing tooth on the rear side, the spline shaft 29 rotates to drive the security inspection transmission shaft 14 on the right side to rotate forwards, and the equipment restores to the normal working state.

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.