CN114488342A

CN114488342A - Safety detection door for channel entrance

Info

Publication number: CN114488342A
Application number: CN202210092350.XA
Authority: CN
Inventors: 康熙岳
Original assignee: Zhejiang Qinfushi Biotechnology Co ltd
Current assignee: Zhejiang Qinfushi Biotechnology Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-05-13

Abstract

The invention discloses a safety detection door for a channel entrance, which relates to the technical field of safety detection doors and solves the problem of high labor intensity of workers, and comprises a first channel, a second channel, a platform, a metal detector and a lifting assembly, wherein one sides of the first channel and the second channel are fixedly connected, the middle of the platform is provided with a rotating assembly, the rotating assembly is used for rotating pedestrians passing through the first channel, the metal detector is arranged at two sides of the first channel and is used for detecting metal objects on the pedestrians passing through the first channel, and the lifting assembly is arranged at one side of the metal detector. The safety of the working environment is effectively improved.

Description

Safety detection door for channel entrance

Technical Field

The invention relates to the technical field of safety detection doors, in particular to a safety detection door for a channel entrance.

Background

The safety detection door is generally installed in the interior of a subway, a railway station, a high-speed railway station or an airport, and needs to detect luggage carried by passengers and dangerous articles on the body, so that the safety of the passengers in the process of travel is improved.

When passing through the interior of a subway, a railway station, a high-speed railway station or an airport, articles carried by passengers and metal articles carried by passengers are mostly required to be detected, the metal detector is a long-term metal detector for detecting the metal on the passengers by field workers, the metal detector inherently has certain radiation, but the metal detector is harmless to the human body, meanwhile, the X-ray machine is an instrument for detecting the metal articles carried by the passengers in luggage bags, both the metal detector and the X-ray machine can realize the detection of the metal articles, when the metal detector is installed and placed, the workers for detecting the passengers on the field need to stand near one side of the X-ray machine, but when the metal detector is near the X-ray machine, the metal detector can generate radiation to cause radiation influence on the workers on the field and the passengers to be detected, and the passengers are in transient contact, however, the field workers need to be held in the hands for a long time, the influence on the field workers is caused, the long-time handheld detection work intensity is high, and the work intensity is increased.

To this end, we propose a security inspection door for the entrance of a passageway.

Disclosure of Invention

The invention aims to provide a safety detection door for a passageway entrance, which can reduce the influence of radiation on the health of workers and solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a passageway entry is with safety inspection door, includes first passageway, second passageway, platform, metal detector and lifting unit, first passageway with one side fixed connection of second passageway, the centre of platform is equipped with rotating assembly, rotating assembly is used for rotating the pedestrian through first passageway, the metal detector is installed in the both sides of first passageway for metal article through first passageway pedestrian on one's body detects, lifting unit install in one side of metal detector is used for right the metal detector carries out elevating movement, just the metal detector through the installation component with lifting unit connects, lifting unit with connect through the linkage subassembly between the rotating assembly.

Preferably, the rotating assembly comprises a turntable arranged on one side above the platform, a first pressure sensor is fixedly arranged in the middle of the turntable, a rotating seat is arranged on one side below the turntable and is arranged inside the platform, a first gear is fixedly sleeved on the rotating seat, a second gear is arranged on one side of the first gear and is positioned outside the first channel, the second gear is meshed with the first gear through a first toothed belt, one side above the second gear is connected with the output end of a double-shaft motor, the double-shaft motor and the first pressure sensor are electrically connected with a controller fixedly arranged on the outer side wall of the first channel, the rotation of a pedestrian standing on the platform can be realized by additionally arranging the rotating assembly, then the pedestrian is detected by a metal tester on the body, and the use convenience is increased, the influence on the physical health of workers caused by the close proximity of the metal detector and the X-ray machine is avoided, and the safety of the workers is effectively improved.

Preferably, the lifting assembly comprises a screw rod rotatably arranged at two sides in the first channel, the screw rod is sleeved on the screw cylinder in a threaded manner, the screw cylinder is fixedly arranged at one end of the lifting block, the other end of the lifting block is sleeved with a guide rod, two ends of the guide rod are respectively and fixedly connected with the platform and the inner wall of the first channel, the metal detector is connected with the lifting block through a mounting component, wherein one end of each of the two screw rods penetrates through the first channel and extends towards the outside of the first channel to be connected with the linkage assembly, the both ends of guide bar all are fixed and are equipped with second pressure sensor, second pressure sensor with metal detector all with controller electric connection, lifting unit can drive the elevating movement of metal tester, realizes detecting the different positions of pedestrian's health, has increased the security that detects.

Preferably, the linkage assembly comprises two third gears which are fixedly sleeved at one end of each screw, each third gear is located on one side of the upper portion of the corresponding first channel, two boxes are fixedly arranged between the screws, the third gears are connected through a second toothed belt in a meshed mode, one of the third gears is sleeved on the screw, a fifth gear is arranged on one side of the fourth gear in a meshed mode, a rotating shaft is fixedly arranged on one side of the fifth gear, the other end of the rotating shaft is connected with the other output end of the double-shaft motor, the linkage assembly can enable the rotating assembly and the lifting assembly to jointly use the double-shaft motor, the investment of equipment is reduced, the cost investment of the device is reduced, and the use convenience is improved.

Preferably, the installation component is including fixed locating the U type mounting bracket at metal detector one side both ends, the elevator is located the inside of U type mounting bracket, just the both ends of U type mounting bracket with through construction bolt fixed connection between the elevator, the installation component can make things convenient for the installation between metal detector and the elevator to dismantle, conveniently dismantles the maintenance change to it, has increased the convenience of use maintenance.

Preferably, a circular groove is formed in the middle of the upper portion of the platform, the rotary table is arranged inside the circular groove, a cavity is formed in one side of the lower portion of the circular groove, the first toothed belt extends outwards through the cavity, the second gear is connected with the first toothed belt, the rotary seat is arranged inside the cavity, the circular groove facilitates placement of the rotary table, and attractiveness of the platform is improved.

Preferably, the first passageway with one side of second passageway all is equipped with the interception subassembly, the interception subassembly is located including fixed the first passageway and second passageway junction fixed block, the both sides of fixed block are all fixed and are equipped with the riser, the incision has been seted up in the middle of the top of riser, and notched inside rotates and is equipped with the interception pole, the interception pole passes through the pivot and is connected with notched inner wall rotation, the fixed pressing handle that is equipped with of one end of interception pole, the interception subassembly can play the effect of intercepting one by one to the pedestrian, avoids many people together through first passageway, increases the accuracy that detects.

Preferably, one side of the intercepting rod and the side of the end part of the vertical plate are fixedly provided with a stop plate, the pressing handle is in contact with one side of the stop plate, the stop plate can limit the intercepting rod, and the placing stability of the intercepting rod is improved.

Preferably, the fixed seat that is equipped with in top one side of fixed block, one side of seat just is located the fixed L type that is equipped with radiation protection board on the fixed block, just the L type radiation protection board is fixed in and is close to one side of first passageway, seat make things convenient for on-the-spot staff's seat down, avoid standing for a long time and cause the discomfort of shank, the L type radiation protection board can shield the radiation that produces between metal detector and the X-ray machine, increases the security that on-the-spot staff worked.

Preferably, the cover is equipped with the bearing bracket in the pivot, the one end of bearing bracket with the lateral wall fixed connection of first passageway, the bearing bracket can play the effect of support to the pivot, has increased the stability that the pivot rotated the in-process.

Compared with the prior art, the invention has the beneficial effects that:

the invention optimizes the existing safety detection door, realizes the multi-position detection of the pedestrian standing on the turntable in the lifting process of the metal detector by additionally arranging the rotating assembly, the lifting assembly and the linkage assembly, increases the convenience of the detection, reduces the difficulty of field workers, simultaneously reduces the influence of radiation on the body health of the field workers, and effectively improves the safety of the working environment.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the lifting assembly of the present invention;

FIG. 3 is a front view of the lift assembly of the present invention;

FIG. 4 is a bottom view of the rotating assembly of the present invention;

FIG. 5 is a schematic view of the connection between the elevator block and the screw in the present invention;

FIG. 6 is a schematic view of the connection structure of the elevator block and the metal detector according to the present invention;

fig. 7 is a schematic diagram of a docking station according to the present invention;

fig. 8 is a schematic structural diagram of the intercepting component of the present invention.

In the figure: 1-a first channel; 2-a second channel; 3-a station; 4-a rotating assembly; 5-a metal detector; 6-a lifting assembly; 7-mounting the assembly; 8-a linkage assembly; 9-a turntable; 10-a rotating seat; 11-a first gear; 12-a second gear; 13-a first toothed belt; 14-a two-shaft motor; 15-screw rod; 16-a screw cylinder; 17-a lifting block; 18-a guide bar; 19-a third gear; 20-a second toothed belt; 21-a fourth gear; 22-fifth gear; 23-a rotating shaft; 24-a second pressure sensor; 25-a controller; 26-a first pressure sensor; a 27-U-shaped mounting bracket; 28-mounting bolts; 29-circular grooves; 30-a cavity; 31-an interception component; 32-fixed block; 33-a riser; 34-a catch bar; 35-axle pin; 36-pressing handle; 37-a stop plate; 38-a seat; 39-L type radiation protection plate; 40-bearing frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 7, the security detection door for the entrance of the passageway in the figure includes a first passageway 1, a second passageway 2, a platform 3, a metal detector 5, and a lifting assembly 6, one side of the first passageway 1 and one side of the second passageway 2 are fixedly connected, a rotating assembly 4 is disposed in the middle of the platform 3, the rotating assembly 4 is used for rotating pedestrians passing through the first passageway 1, the metal detector 5 is mounted on both sides of the first passageway 1 and used for detecting metal objects on the pedestrians passing through the first passageway 1, the lifting assembly 6 is mounted on one side of the metal detector 5 and used for lifting the metal detector 5, the metal detector 5 is connected with the lifting assembly 6 through a mounting assembly 7, and the lifting assembly 6 is connected with the rotating assembly 4 through a linkage assembly 8.

Referring to fig. 2 and 4, the rotating assembly 4 shown in the figure includes a turntable 9 disposed on one side above the platform 3, a first pressure sensor 26 is fixedly disposed in the middle of the turntable 9, a rotating base 10 is disposed on one side below the turntable 9, the rotating base 10 is disposed inside the platform 3, a first gear 11 is fixedly sleeved on the rotating base 10, a second gear 12 is disposed on one side of the first gear 11 and located on the outer side of the first channel 1, the second gear 12 is engaged with the first gear 11 through a first toothed belt 13, the upper side of the second gear 12 is connected to an output end of a dual-shaft motor 14, and the dual-shaft motor 14 and the first pressure sensor 26 are electrically connected to a controller 25 fixedly disposed on the outer side wall of the first channel 1.

Referring to fig. 2, the illustrated lifting assembly 6 includes screws 15 rotatably disposed at two sides inside the first channel 1, the screws 15 are threadedly sleeved on screw barrels 16, the screw barrels 16 are fixedly disposed at one end of a lifting block 17, the other end of the lifting block 17 is sleeved with a guide rod 18, two ends of the guide rod 18 are respectively fixedly connected to the inner walls of the platform 3 and the first channel 1, the metal detector 5 is connected to the lifting block 17 through a mounting assembly 7, wherein one end of each of the two screws 15 penetrates through the first channel 1 and extends to the outside of the first channel to be connected to the linkage assembly 8, two ends of the guide rod 18 are both fixedly disposed with second pressure sensors 24, and the second pressure sensors 24 and the metal detector 5 are both electrically connected to a controller 25.

Referring to fig. 7, a circular groove 29 is formed in the middle of the upper portion of the platform 3, the turntable 9 is disposed inside the circular groove 29, a cavity 30 is formed at one side of the lower portion of the circular groove 29, the first toothed belt 13 extends outwards through the cavity 30 and is connected to the second gear 12, and the rotary base 10 is disposed inside the cavity 30.

When the pedestrian is detected to carry out personal article: firstly, a pedestrian walks on a turntable 9 in the middle of a platform 3, and then steps on a second pressure sensor 24 on the turntable 9, at the moment, the second pressure sensor 24 transmits a pressure signal to a controller 25, the controller 25 controls a double-shaft motor 14 to start at the moment, the start of the double-shaft motor 14 drives a second gear 12 at one end to rotate, the second gear 12 is meshed with a first gear 11 through a first toothed belt 13, so that the first gear 11 can be driven to rotate, the first gear 11 is fixedly sleeved on a rotary seat 10, and meanwhile, one end of the rotary seat 10 is connected with the turntable 9, so that the turntable 9 can be driven to rotate, and the pedestrian on the turntable 9 can be driven to rotate;

the double-shaft motor 14 drives the lifting component 6 to lift through the linkage component 8, when the lifting component 6 lifts, the screw rod 15 rotates, the screw rod 15 drives the screw barrel 16 to move when rotating, because the screw barrel 16 is fixedly arranged on the lifting block 17, and one end of the lifting block 17 is slidably sleeved on the guide rod 18, the screw barrel 16 can be limited at the moment, so that the screw barrel 16 can lift on the screw rod 15, the metal detector 5 is arranged at one side of the lifting block 17, the metal detector 5 can be driven to detect pedestrians rotating by the rotary disc in the lifting process of the lifting block 17, multi-angle and multi-direction detection of the pedestrians can be realized, the detection accuracy is realized, meanwhile, the controller is electrically connected with the buzzer and the signal alarm lamp on the side wall of the first channel, when the metal detector detects that the pedestrians carry metal articles on the body, the controller can control the buzzer and the signal alarm lamp to work simultaneously, prompting field workers to check the metal articles;

when the lifting block 17 is lifted to the two ends of the guide rod 18, the first pressure sensor 26 is extruded, and at the moment, the controller 25 controls the double-shaft motor 14 to stop starting, so that the detection of the pedestrian standing on the turntable 9 is realized; the second gear 12 is driven to rotate for a plurality of circles while the first gear 11 rotates for one circle, the number of circles drives the fifth gear 22 to be meshed to drive the fourth gear 21 to rotate to drive the screw barrel 16 to move on the screw rod 15, the moving distance is the distance between the two first pressure sensors 26, one-time detection is achieved, the use convenience is improved, and the labor intensity of workers is reduced;

wherein one side at first passageway 1 is equipped with second passageway 2, and this second passageway 2 is convenient to be passed through to the pregnant woman, avoids metal detector 5 to cause the radiation influence to the pregnant woman, can be effectual to the protection of pregnant woman fetus in the abdomen, increases the security through the safety inspection door.

Example 2

Referring to fig. 2 to 4, in this embodiment, as further described in embodiment 1, the lifting assembly 6 in the figure includes screws 15 rotatably disposed at two sides inside the first channel 1, and the screws 15 are threadedly sleeved on screw barrels 16, the screw barrels 16 are fixedly disposed at one ends of lifting blocks 17, the other ends of the lifting blocks 17 are sleeved with guide rods 18, two ends of the guide rods 18 are respectively fixedly connected with the inner walls of the platform 3 and the first channel 1, the metal detector 5 is connected with the lifting blocks 17 through the mounting assembly 7, wherein one ends of the two screws 15 penetrate through the first channel 1 and extend outward to be connected with the linkage assembly 8, two ends of the guide rods 18 are both fixedly disposed with second pressure sensors 24, and the second pressure sensors 24 and the metal detector 5 are both electrically connected with the controller 25;

referring to fig. 3, the linkage assembly 8 shown in the figure includes a third gear 19 fixedly sleeved at one end of each of the two screws 15, the third gear 19 is located at one side above the first channel 1, the third gear 19 is fixedly arranged between the two screws 15 and is engaged and connected with each other through a second toothed belt 20, a fourth gear 21 is sleeved on one of the screws 15, a fifth gear 22 is engaged and arranged at one side of the fourth gear 21, a rotating shaft 23 is fixedly arranged at one side of the fifth gear 22, and the other end of the rotating shaft 23 is connected with the other output end of the dual-shaft motor 14;

referring to fig. 6, the illustrated mounting assembly 7 includes a U-shaped mounting bracket 27 fixedly disposed at two ends of one side of the metal detector 5, the lifting block 17 is disposed inside the U-shaped mounting bracket 27, and two ends of the U-shaped mounting bracket 27 are fixedly connected to the lifting block 17 through a mounting bolt 28.

Referring to fig. 2, a bearing bracket 40 is sleeved on the rotating shaft 23, and one end of the bearing bracket 40 is fixedly connected to an outer side wall of the first channel 1.

In this embodiment, when starting double-shaft motor 14, double-shaft motor 14 will drive pivot 23 rotation of other end output when starting, pivot 23 pivoted will drive the fifth gear 22 rotation of one end simultaneously, fifth gear 22 rotates the meshing and drives fourth gear 21 and rotate, fourth gear 21 and third gear 19 are all fixed to be located on one of them screw rod 15, can drive screw rod 15 and rotate, be equipped with third gear 19 on another screw rod 15, connect through the meshing of second cingulum 20 between two third gear 19, thereby can realize driving two screw rod 15 synchronous motion, can realize that same double-shaft motor 14 drives rotating assembly 4 and lifting unit 6 and carry out synchronous motion, reduce the use that lets in of equipment, reduce the input of cost.

Example 3

Referring to fig. 8, in the present embodiment, for further explanation of other embodiments, in the illustration, a first channel 1, a second channel 2, a platform 3, a metal detector 5, and a lifting assembly 6 are shown, one side of the first channel 1 and one side of the second channel 2 are fixedly connected, a rotating assembly 4 is disposed in the middle of the platform 3, the rotating assembly 4 is used for rotating a pedestrian passing through the first channel 1, the metal detector 5 is installed at both sides of the first channel 1 and is used for detecting metal objects on the pedestrian passing through the first channel 1, the lifting assembly 6 is installed at one side of the metal detector 5 and is used for lifting the metal detector 5, the metal detector 5 is connected with the lifting assembly 6 through an installation assembly 7, and the lifting assembly 6 is connected with the rotating assembly 4 through a linkage assembly 8.

Referring to fig. 8, in the figure, one side of each of the first passage 1 and the second passage 2 is provided with an intercepting component 31, each intercepting component 31 includes a fixing block 32 fixedly arranged at a joint of the first passage 1 and the second passage 2, two sides of each fixing block 32 are respectively and fixedly provided with a vertical plate 33, a notch is formed in the middle of the upper portion of each vertical plate 33, a blocking rod 34 is rotatably arranged inside the notch, each blocking rod 34 is rotatably connected with the inner wall of the notch through a shaft pin 35, and one end of each blocking rod 34 is fixedly provided with a pressing handle 36;

referring to fig. 8, a stop plate 37 is fixed to one side of the catch bar 34 and one side of the end of the vertical plate 33, and the pressing handle 36 contacts one side of the stop plate 37.

Referring to fig. 8, a seat 38 is fixedly disposed on one side of the upper portion of the fixing block 32, an L-shaped radiation-proof plate 39 is fixedly disposed on the fixing block 32 on one side of the seat 38, and the L-shaped radiation-proof plate 39 is fixed on one side close to the first channel 1.

In the embodiment, the intercepting component is arranged on one side of the first channel and the second channel, so that passing pedestrians can pass through the intercepting component one by one, the pedestrians are prevented from passing through the first channel and the second channel in a piled manner, the walking order of the pedestrians on the site is increased, the confusion of the site is reduced, the intercepting component 31 is used, a worker sits on the seat 38 on the fixed block, the L-shaped radiation-proof plate 39 on one side of the seat 38 can shield the radiation generated by the metal detector 5 in the first channel 1, the safety of the worker sitting on the seat 38 on the site is increased, when a pregnant woman needs to pass through the seat, the intercepting component 31 on one side of the second channel 2 is opened, when a non-pregnant woman passes through the seat, the intercepting component 31 on one side of the first channel 1 is opened, the pregnant woman can pass through the seat separately, and the protection of the fetus in the abdomen is realized;

when the intercepting component 31 is used, a worker sitting on the seat 38 on the spot presses the pressing handle 36, when the pressing handle 36 is pressed, the intercepting rod 34 is driven to rotate around the shaft pin 35 at the moment, the front sides of the first channel and the second channel can be opened in the rotating process of the shaft pin 35, a pedestrian can pass conveniently, the pedestrian presses the pressing handle 36 through loosening, the intercepting rod 34 falls, the stop plate 37 can realize limiting shielding of the pressing handle 36 at the moment, and the safety of the intercepting rod 34 is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A security inspection door for a passageway entrance, comprising:

the device comprises a first channel (1) and a second channel (2), wherein one side of the first channel (1) is fixedly connected with one side of the second channel (2);

the device comprises a platform (3), wherein a rotating assembly (4) is arranged in the middle of the platform (3), and the rotating assembly (4) is used for rotating pedestrians passing through a first channel (1);

the metal detectors (5) are arranged on two sides of the first channel (1) and used for detecting metal objects on the body of a pedestrian passing through the first channel (1);

the lifting assembly (6) is installed on one side of the metal detector (5) and used for moving the metal detector (5) up and down, the metal detector (5) is connected with the lifting assembly (6) through the installation assembly (7), and the lifting assembly (6) is connected with the rotating assembly (4) through the linkage assembly (8).

2. The security inspection door for an entrance of a passageway according to claim 1, wherein: the rotating component (4) comprises a turntable (9) arranged on one side above the platform (3), a first pressure sensor (26) is fixedly arranged in the middle of the rotary table (9), a rotary seat (10) is arranged on one side below the rotary table (9), the rotating base (10) is arranged inside the platform (3), a first gear (11) is fixedly sleeved on the rotating base (10), a second gear (12) is arranged on one side of the first gear (11) and positioned on the outer side of the first channel (1), the second gear (12) is meshed with the first gear (11) through a first toothed belt (13), and one side above the second gear (12) is connected with the output end of a double-shaft motor (14), the double-shaft motor (14) and the first pressure sensor (26) are both electrically connected with a controller (25) fixedly arranged on the outer side wall of the first channel (1).

3. The security inspection door for an entrance of a passageway according to claim 2, wherein: the lifting component (6) comprises screw rods (15) which are rotatably arranged at two sides in the first channel (1), and the screw rod (15) is sleeved on the screw cylinder (16) in a threaded manner, the screw cylinder (16) is fixedly arranged at one end of the lifting block (17), the other end of the lifting block (17) is sleeved with a guide rod (18), the two ends of the guide rod (18) are respectively fixedly connected with the platform (3) and the inner wall of the first channel (1), the metal detector (5) is connected with the lifting block (17) through a mounting component (7), wherein one end of each of the two screw rods (15) penetrates through the first channel (1) and extends towards the outside of the first channel to be connected with the linkage component (8), two ends of the guide rod (18) are fixedly provided with a second pressure sensor (24), the second pressure sensor (24) and the metal detector (5) are both electrically connected with the controller (25).

4. A security inspection door for an entrance to a passageway according to claim 3, wherein: linkage subassembly (8) are located two including fixed cover third gear (19) of screw rod (15) one end, just third gear (19) are located top one side of first passageway (1), two boxes go up fixed being equipped with between screw rod (15) connect through second cingulum (20) meshing between third gear (19), one of them the cover is equipped with fourth gear (21) on screw rod (15), one side meshing of fourth gear (21) is equipped with fifth gear (22), one side of fifth gear (22) is fixed and is equipped with pivot (23), the other end of pivot (23) with another output of double-shaft motor (14) is connected.

5. A security inspection door for an entrance to a passageway according to claim 3, wherein: installation component (7) are including fixed locating U type mounting bracket (27) at metal detector (5) one side both ends, elevator (17) are located the inside of U type mounting bracket (27), just the both ends of U type mounting bracket (27) with through construction bolt (28) fixed connection between elevator (17).

6. The security inspection door for an entrance of a passageway according to claim 2, wherein: circular recess (29) have been seted up in the middle of the top of platform (3), just carousel (9) are located the inside of circular recess (29), cavity (30) have been seted up to below one side of circular recess (29), first cingulum (13) outwards extend through cavity (30) second gear (12) are connected, just roating seat (10) are located the inside of cavity (30).

7. The security inspection door for an entrance of a passageway according to claim 1, wherein: first passageway (1) with one side of second passageway (2) all is equipped with interception subassembly (31), interception subassembly (31) are located including fixed first passageway (1) and second passageway (2) junction fixed block (32), the both sides of fixed block (32) are all fixed and are equipped with riser (33), the incision has been seted up in the middle of the top of riser (33), and notched inside rotates and is equipped with interception pole (34), interception pole (34) are connected through pivot (35) and notched inner wall rotation, the fixed pressure handle (36) that is equipped with of one end of interception pole (34).

8. The security inspection door for an entrance of a passageway according to claim 7, wherein: a stop plate (37) is fixedly arranged on one side of the interception rod (34) and on one side of the end part of the vertical plate (33), and the pressing handle (36) is in contact with one side of the stop plate (37).

9. The security inspection door for an entrance of a passageway according to claim 8, wherein: fixed seat (38) that are equipped with in top one side of fixed block (32), one side of seat (38) just is located fixed L type radiation protection board (39) that are equipped with on fixed block (32), just L type radiation protection board (39) are fixed in and are close to one side of first passageway (1).

10. The security inspection door for entrance of passageway according to claim 4, wherein: the rotating shaft (23) is sleeved with a bearing frame (40), and one end of the bearing frame (40) is fixedly connected with the outer side wall of the first channel (1).