CN107326830A - A kind of liftable auto-guiding railing - Google Patents

A kind of liftable auto-guiding railing Download PDF

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Publication number
CN107326830A
CN107326830A CN201710784290.7A CN201710784290A CN107326830A CN 107326830 A CN107326830 A CN 107326830A CN 201710784290 A CN201710784290 A CN 201710784290A CN 107326830 A CN107326830 A CN 107326830A
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CN
China
Prior art keywords
water conservancy
conservancy diversion
head
bar
track
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Granted
Application number
CN201710784290.7A
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Chinese (zh)
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CN107326830B (en
Inventor
吴卫华
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Southwest University
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Southwest University
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Application filed by Southwest University filed Critical Southwest University
Priority to CN201710784290.7A priority Critical patent/CN107326830B/en
Publication of CN107326830A publication Critical patent/CN107326830A/en
Application granted granted Critical
Publication of CN107326830B publication Critical patent/CN107326830B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/02Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
    • E01F13/022Pedestrian barriers; Barriers for channelling or controlling crowds
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
    • G05D27/02Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Toys (AREA)

Abstract

The invention discloses a kind of liftable auto-guiding railing, its key is:The liftable auto-guiding railing include two be parallel to each other and S-type bending track, the crooked position on the track is provided with position induction device, and the arrival end of track is provided with guiding device;The guiding device includes water conservancy diversion head rod, a water conservancy diversion foot piece and is clipped in bar in multiple water conservancy diversion between water conservancy diversion head rod and water conservancy diversion foot piece.The present invention is simple in construction, guiding device is manipulated by single-chip microcomputer to move in track, automatically form water conservancy diversion region, the length in the water conservancy diversion region can be controlled according to the quantity of the current stream of people, manpower and time are greatly saved, and the occupancy of accommodation space can be reduced with automatic accomodation to track entry end, therefore, with very strong practical value.

Description

A kind of liftable auto-guiding railing
Technical field
The present invention relates to a kind of liftable auto-guiding railing.
Background technology
At scenic spot ticket office or scenic spot gateway, it is often necessary to which water conservancy diversion lifeline is set so that the crowded stream of people Can in the flow-guiding channel of S types ordered queue, prevent and the security incident such as trample.Existing flow-guiding channel device is usually By manually setting, according to the number of the stream of people, manually put two row be parallel to each other and S-type bending railing passage.Work as the stream of people After dispersing, railing is removed further through manual type.Such mode operating efficiency is relatively low, takes time and effort, and after dismounting Railing needs to be kept separately to compare space-consuming.
The content of the invention
It is an object of the invention to provide a kind of liftable auto-guiding railing.
To achieve these goals, using following technical scheme:A kind of liftable auto-guiding railing, its feature exists In:The liftable auto-guiding railing include two be parallel to each other and S-type bending track, the bending on the track Position is provided with position induction device, and the arrival end of track is provided with guiding device;The guiding device includes a water conservancy diversion Head rod, a water conservancy diversion foot piece and it is clipped in bar in multiple water conservancy diversion between water conservancy diversion head rod and water conservancy diversion foot piece;
The water conservancy diversion head rod, which includes being provided with inside the first head, the first head on the first Wind spring axle, first Wind spring axle, to be twined The first diversion belt is wound with, the end that pulls out of first diversion belt is pulled out from the first through hole of the first head side;First head bottom It is connected by first support with first base, first base both sides are provided with retainer ring, retainer ring and are arranged with bolt, the bolt For being fixedly connected with the ground, the first head side side lower section adjacent with bar in the water conservancy diversion of rear is additionally provided with the first magnet Control device is additionally provided with the top of piece, the first head, has inside the control device and is set on single-chip microcomputer, control device outer surface There are display screen and key panel;
The water conservancy diversion foot piece includes the second head, and the second head is internally provided with outside the second pull bar, the front of second head Ultrasonic sensor and alarm are additionally provided with surface;Second head bottom passes through second support and steering motor top casing phase Even, the output shaft of the steering motor bottom is provided with motor, second base with being connected at the top of second base inside second base Bottom is provided with the second roller, and second roller is slidably connected with corresponding track, and the output end of motor connects the second roller Drive shaft, second head it is adjacent with bar in the water conservancy diversion of front side side lower section be additionally provided with the second sheet metal;It is described The second through hole is further opened with second head;
Bar includes the 3rd head in the water conservancy diversion, and the 3rd head is internally provided with the 3rd pull bar and the 3rd Wind spring axle, wherein, the The 3rd diversion belt is wound with three Wind spring axles, the end that pulls out of the 3rd diversion belt is drawn by the third through-hole in the 3rd head Go out, fourth hole is additionally provided with the 3rd head;The first diversion belt on the water conservancy diversion head rod pulls out end and passes through first water conservancy diversion Fourth hole in 3rd head of middle bar enters inside the 3rd head and is fixedly connected with its 3rd internal pull bar, finally The 3rd diversion belt in one water conservancy diversion on bar pulls out end and then entered by the second through hole on water conservancy diversion foot piece inside water conservancy diversion foot piece simultaneously It is fixedly connected with its second internal pull bar, it is adjacent by its rear respectively that the 3rd diversion belt in remaining water conservancy diversion on bar pulls out end Water conservancy diversion in fourth hole on bar enter inside the 3rd head of correspondence and be fixedly connected with its 3rd internal pull bar;Described The 3rd sheet metal and the 3rd flat thin magnet are further respectively had below two sides of three heads;The 3rd head bottom passes through 3rd support is connected with the 3rd base, and the 3rd base bottom is provided with the 3rd roller, and the 3rd roller is also slided with corresponding track Dynamic connection;
The first support, second support are identical with the 3rd supporting structure, including upper fixed block, lower fixed block, corrugated casing And minitype cylinder;Fixed piece and lower fixed block be located at respectively first support, the top of second support and the 3rd support and Bottom, for being attached with top and with the corresponding component of lower section;The upper and lower ends of the corrugated casing respectively with upper fixation Block is fixedly connected with lower fixed block;The minitype cylinder is arranged inside corrugated casing and fixes company with the upper surface of lower fixed block Connect, the top output shaft of the minitype cylinder is upwardly extended and is fixedly connected with the lower surface of upper fixed block;
The position induction device, ultrasonic sensor and key panel connect the IO inputs of single-chip microcomputer, the single-chip microcomputer IO output ends connect display screen, steering motor, motor, minitype cylinder and alarm respectively.
The model of the single-chip microcomputer closes Thailand TTP250.
Drive module and magnetic valve are provided with the starter of the motor, steering motor and minitype cylinder, The model TB6600 4.5A MACH3 of the drive module, the IO output ends of single-chip microcomputer connect corresponding by drive module Magnetic valve.
The position induction device is arranged at curved in tracks position and close to one end of track entry.
The present invention is simple in construction, and manipulate guiding device by single-chip microcomputer moves in track, automatically forms water conservancy diversion region, can To control the length in the water conservancy diversion region according to the quantity of the current stream of people, manpower and time are greatly saved, and can be automatic Track entry end is received into, the occupancy of accommodation space is reduced, therefore, with very strong practical value.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the deployed configuration upward view of guiding device in Fig. 1;
Fig. 3 is the structural representation of water conservancy diversion head rod in Fig. 2;
Fig. 4 is the structural representation of water conservancy diversion foot piece in Fig. 2;
Fig. 5 is the structural representation of bar in water conservancy diversion in Fig. 2;
Fig. 6 is the structural representation of the first head;
Fig. 7 is the structural representation of the second head;
Fig. 8 is the structural representation of the 3rd head;
Fig. 9 is the internal structure schematic diagram of first support, second support and the 3rd support.
Embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 9, a kind of liftable auto-guiding railing, including two be parallel to each other and S-type bending Track 1, the track laying at the gateway of scenic spot or other need install the device porch so that track entry end with Scenic spot connects at gateway, and track upper surface is flushed with ground.
Crooked position on the track 1 is provided with position induction device 2, and the position induction device 2 is arranged at rail One end of the crooked position of road 1 and the close entrance of track 1.
The arrival end of every track 1 is provided with guiding device 3.
The guiding device 3 includes water conservancy diversion head rod 4, a water conservancy diversion foot piece 6 and is clipped in water conservancy diversion head rod 4 and water conservancy diversion foot piece Bar 5 in multiple water conservancy diversion between 6;Wherein, water conservancy diversion head rod 4 is arranged at the position of the adjacent arrival end of track 1, and water conservancy diversion foot piece 6 is then Away from the arrival end of track 1.
The water conservancy diversion head rod 4 includes the first head 401, and the inside of the first head 401 is provided with the first Wind spring axle 402, and this It is wound with the first diversion belt 412 on one Wind spring axle 402, first diversion belt 412 pulls out end from the side of the first head 401 First through hole 413 is pulled out;The bottom of first head 401 is connected by first support 403 with first base 404,401 liang of first base Side is provided with retainer ring 405, retainer ring 405 and is arranged with bolt 406, and the bolt 406 is used to be fixedly connected with the ground, the first bar The first 401 side side lower sections adjacent with bar 5 in the water conservancy diversion of rear are additionally provided with the first flat thin magnet 407, and the top of the first head 401 is also Control device 408 is provided with, with single-chip microcomputer 409 inside the control device 408, is provided with the outer surface of control device 408 aobvious Display screen 410 and key panel 411.
The water conservancy diversion foot piece 6 includes the second head 601, and the second head 601 is internally provided with the second pull bar 602, and described the Ultrasonic sensor 609 and alarm 610 are additionally provided with the front outer surface of two heads 601;The bottom of second head 601 passes through Two supports 603 are connected with the top casing of steering motor 604, output shaft and the top of second base 605 of the bottom of steering motor 604 It is connected, the inside of second base 605 is provided with motor 606, the bottom of second base 605 is provided with the second roller 607, second roller 607 are slidably connected with corresponding track 1, and the output end of motor 606 connects the drive shaft of the second roller 607, described second The side side lower section adjacent with bar 5 in the water conservancy diversion of front of head 601 is additionally provided with the second sheet metal 608;Second head 601 On be further opened with the second through hole 613.
Bar 5 includes the 3rd head 501 in the water conservancy diversion, and the 3rd head 501 is internally provided with the 3rd pull bar 502 and the 3rd bullet Spring spool 503, wherein, the 3rd diversion belt 509, the pull-out end of the 3rd diversion belt 509 are wound with the 3rd Wind spring axle 503 Pulled out by the third through-hole 513 in the 3rd head 501, fourth hole 512 is additionally provided with the 3rd head 501;The water conservancy diversion The fourth hole 512 that the first diversion belt 412 on head rod 4 is pulled out in the 3rd head 501 that end passes through bar 5 in first water conservancy diversion enters Enter the inside of the 3rd head 501 and be fixedly connected with its 3rd internal pull bar 502, in last water conservancy diversion on bar 5 the 3rd Diversion belt 512 pulls out end and then enters the inside of the second head 601 and internal with it by the second through hole 613 on water conservancy diversion foot piece 6 Second pull bar 602 is fixedly connected, and it is adjacent by its rear respectively that the 3rd diversion belt 509 in remaining water conservancy diversion on bar 5 pulls out end Fourth hole 512 in water conservancy diversion on bar 5 enters the inside of the 3rd head of correspondence 501 and fixed with its 3rd internal pull bar 502 and connected Connect;The 3rd sheet metal 507 and the 3rd flat thin magnet 508 are further respectively had below two sides of the 3rd head 501;It is described The bottom of 3rd head 501 is connected by the 3rd support 504 with the 3rd base 505, and the bottom of the 3rd base 505 is provided with the 3rd rolling Wheel 506, the 3rd roller 505 is also slidably connected with corresponding track 1
The first support 403, second support 603 are identical with the structure of the 3rd support 504, including upper fixed block 4031, lower solid Determine block 4032, corrugated casing 4033 and minitype cylinder 4034;Fixed piece 4031 and lower fixed block 4032 are located at the respectively The top and bottom of one support 403, the support 504 of second support 603 and the 3rd, for entering with top and with the corresponding component of lower section Row connection;The upper and lower ends of the corrugated casing 4033 are fixedly connected with upper fixed block 4031 and lower fixed block 4032 respectively;Institute Minitype cylinder 4034 is stated to be arranged at the inside of corrugated casing 4033 and be fixedly connected with the upper surface of lower fixed block 4032, the miniature gas The top output shaft of cylinder 4034 is upwardly extended and is fixedly connected with the lower surface of upper fixed block 4031;
The model of the single-chip microcomputer 409 closes Thailand TTP250.The position induction device 2, ultrasonic sensor 609 and key face Plate 411 connects the IO inputs of single-chip microcomputer 409, and the IO output ends of the single-chip microcomputer 409 connect display screen 410, turn to electricity respectively Machine 604, motor 606, minitype cylinder 4034 and alarm 610.
Drive module is provided with the starter of the motor 606, steering motor 604 and minitype cylinder 4034 And magnetic valve, the model TB6600 4.5A MACH3 of the drive module.The input of the drive module and the IO of single-chip microcomputer Output end is joined directly together, and the output end of the drive module is then by connecting corresponding starter after magnetic valve.In the present invention In specific embodiment, drive module is mainly used in the output control signal of single-chip microcomputer carrying out Current amplifier function, can Drive magnetic valve is opened, so that the starter of motor 606, steering motor 604 and minitype cylinder 4034 is opened And enter working condition.
The direction of arrow in Fig. 1 represents that the stream of people enters the direction in water conservancy diversion region.
The concrete operating principle and the course of work of the embodiment of the present invention are as follows:
At scenic spot, the stream of people is less, it is not necessary to during using the adaptive guiding device, and guiding device 3 is overall to be drawn in and scenic spot doorway The first flat thin magnet, the 3rd metal are passed sequentially through between bar and water conservancy diversion foot piece in water conservancy diversion head rod, multiple water conservancy diversion on place, guiding device Piece, the 3rd flat thin magnet and the second sheet metal carry out mutually absorption connection, prevent it from occurring slidably in track.It is same with this When, the minitype cylinder output shaft of first support, second support and the 3rd internal stent is retracted into most short position so that whole water conservancy diversion The height of device is also compressed to minimum, the occupancy in reduction space
When at scenic spot, the stream of people is more, staff orders according to the situation of current flow of the people by the way that key panel input is corresponding, Control guiding device deploys and slided on slide rail at corresponding position induction device.Its specific sliding process is as follows:
Single-chip microcomputer is instructed according to key panel input, output control order control motor work first, the motor The roller direction along ng a path motion of water conservancy diversion foot piece is driven, now, the driving force of motor can overcome water conservancy diversion foot piece to be led with adjacent Magnetic adsorptive power in stream between bar so that water conservancy diversion foot piece departs from bar in adjacent guide;During water conservancy diversion foot piece is moved, lead The 3rd diversion belt on bar in adjacent guide can be pulled out by flowing the second pull bar on foot piece, due to water conservancy diversion foot piece persistent movement forward Bar can overcome magnetic adsorptive power successively and be mutually disengaged from back to front in the motive force of generation, multiple water conservancy diversion, meanwhile, each water conservancy diversion Middle bar successively can also pull out the 3rd diversion belt of bar in its previous water conservancy diversion, until in a water conservancy diversion foremost bar by flow guiding head The first diversion belt in bar is pulled out.So, it is possible to realize the whole guiding device mesh that progressively direction along ng a path deploys successively 's.
Because staff has been previously entered the order that the guiding device is deployed at specified location induction installation, therefore, During water conservancy diversion foot piece is moved, each water conservancy diversion foot piece is just determined whether by a position induction device, single-chip microcomputer Specified location is reached, if so, then single-chip microcomputer controls motor to be stopped at once, it is ensured that water conservancy diversion foot piece is still in current location ;If it is not, then single-chip microcomputer controls motor continuous firing, driving water conservancy diversion foot piece is along track persistent movement, until motion Untill specified location.So, it is possible to according to controlling length that guiding device deploys and covering track the need for flow of the people Region;When flow of the people is very big, guiding device can be caused to be deployed into extreme position and whole orbital region is covered, so that shape Into longer flow-guiding channel;When the flow-guiding channel that flow of the people need not so be grown, then guiding device can be set as needed The position of expansion, covering part orbital region.
It is micro- in single-chip microcomputer control first support, second support and the 3rd support when water conservancy diversion foot piece reaches predeterminated position Type cylinder works asynchronously, the upper fixed block of upward jack-up so that first support, second support and the 3rd support are synchronously raised, so that Corresponding diversion belt is driven also synchronously to be increased to up to suitable height, so as to complete the automatic lifting work of whole guiding device.
In motion process, water conservancy diversion foot piece is moved at the position induction device at curved in tracks position every time, and single-chip microcomputer is equal Output control order control steering motor work, the second base and the second roller of steering motor control water conservancy diversion foot piece bottom is overall 90 degree are turned to, is being turned to simultaneously, single-chip microcomputer also controls motor to drive water conservancy diversion foot piece slowly to move so that water conservancy diversion foot piece is on one side Motion is while turn to, in order to preferably be adapted to curved in tracks direction and crooked radian.The bending direction set according to track, The steering direction instruction of determination is inputted in single-chip microcomputer in advance, it can be ensured that the angle turned to every time is adapted to completely with track.
In addition, in motion process, if the ultrasonic sensor on water conservancy diversion foot piece is determined in direction of motion certain distance There is barrier, then, single-chip microcomputer can control alarm to send alarm, on the one hand staff can be pointed out to clear up the obstacle Thing, on the other hand can point out the crowd on periphery to leave the position in order to avoid blocking the motion of the water conservancy diversion foot piece.
In the specific embodiment of the invention, the quantity of bar in water conservancy diversion can be set according to the length of track so that water conservancy diversion Middle bar, water conservancy diversion head rod and water conservancy diversion foot piece can cover the path set by track substantially after deploying successively.When on two tracks Guiding device is synchronously completed after above-mentioned work, it is possible to form a complete flow-guiding channel, facilitates scenic spot gateway end The stream of people carries out Methodistic management.
The present invention is simple in construction, and manipulate guiding device by single-chip microcomputer moves in track, automatically forms water conservancy diversion region, can To control the length in the water conservancy diversion region according to the quantity of the current stream of people, manpower and time are greatly saved, and can be automatic Track entry end is received into, the occupancy of accommodation space is reduced, therefore, with very strong practical value.

Claims (4)

1. a kind of liftable auto-guiding railing, it is characterised in that:The liftable auto-guiding railing includes two phases Crooked position on the track of mutual parallel and S-type bending, the track is provided with position induction device, the arrival end of track It is provided with guiding device;The guiding device includes water conservancy diversion head rod, a water conservancy diversion foot piece and is clipped in water conservancy diversion head rod and water conservancy diversion Bar in multiple water conservancy diversion between foot piece;
The water conservancy diversion head rod, which includes being provided with inside the first head, the first head on the first Wind spring axle, first Wind spring axle, to be twined The first diversion belt is wound with, the end that pulls out of first diversion belt is pulled out from the first through hole of the first head side;First head bottom It is connected by first support with first base, first base both sides are provided with retainer ring, retainer ring and are arranged with bolt, the bolt For being fixedly connected with the ground, the first head side side lower section adjacent with bar in the water conservancy diversion of rear is additionally provided with the first magnet Control device is additionally provided with the top of piece, the first head, has inside the control device and is set on single-chip microcomputer, control device outer surface There are display screen and key panel;
The water conservancy diversion foot piece includes the second head, and the second head is internally provided with outside the second pull bar, the front of second head Ultrasonic sensor and alarm are additionally provided with surface;Second head bottom passes through second support and steering motor top casing phase Even, the output shaft of the steering motor bottom is provided with motor, second base with being connected at the top of second base inside second base Bottom is provided with the second roller, and second roller is slidably connected with corresponding track, and the output end of motor connects the second roller Drive shaft, second head it is adjacent with bar in the water conservancy diversion of front side side lower section be additionally provided with the second sheet metal;It is described The second through hole is further opened with second head;
Bar includes the 3rd head in the water conservancy diversion, and the 3rd head is internally provided with the 3rd pull bar and the 3rd Wind spring axle, wherein, the The 3rd diversion belt is wound with three Wind spring axles, the end that pulls out of the 3rd diversion belt is drawn by the third through-hole in the 3rd head Go out, fourth hole is additionally provided with the 3rd head;The first diversion belt on the water conservancy diversion head rod pulls out end and passes through first water conservancy diversion Fourth hole in 3rd head of middle bar enters inside the 3rd head and is fixedly connected with its 3rd internal pull bar, finally The 3rd diversion belt in one water conservancy diversion on bar pulls out end and then entered by the second through hole on water conservancy diversion foot piece inside water conservancy diversion foot piece simultaneously It is fixedly connected with its second internal pull bar, it is adjacent by its rear respectively that the 3rd diversion belt in remaining water conservancy diversion on bar pulls out end Water conservancy diversion in fourth hole on bar enter inside the 3rd head of correspondence and be fixedly connected with its 3rd internal pull bar;Described The 3rd sheet metal and the 3rd flat thin magnet are further respectively had below two sides of three heads;The 3rd head bottom passes through 3rd support is connected with the 3rd base, and the 3rd base bottom is provided with the 3rd roller, and the 3rd roller is also slided with corresponding track Dynamic connection;
The first support, second support are identical with the 3rd supporting structure, including upper fixed block, lower fixed block, corrugated casing And minitype cylinder;Fixed piece and lower fixed block be located at respectively first support, the top of second support and the 3rd support and Bottom, for being attached with top and with the corresponding component of lower section;The upper and lower ends of the corrugated casing respectively with upper fixation Block is fixedly connected with lower fixed block;The minitype cylinder is arranged inside corrugated casing and fixes company with the upper surface of lower fixed block Connect, the top output shaft of the minitype cylinder is upwardly extended and is fixedly connected with the lower surface of upper fixed block;
The position induction device, ultrasonic sensor and key panel connect the IO inputs of single-chip microcomputer, the single-chip microcomputer IO output ends connect display screen, steering motor, motor, minitype cylinder and alarm respectively.
2. liftable auto-guiding railing as claimed in claim 1, it is characterised in that:The model of the single-chip microcomputer is closed safe TTP250。
3. liftable auto-guiding railing as claimed in claim 1 or 2, it is characterised in that:The motor, steering electricity Drive module and magnetic valve, the model TB6600 of the drive module are provided with the starter of machine and minitype cylinder 4.5A MACH3, the IO output ends of single-chip microcomputer connect corresponding magnetic valve by drive module.
4. liftable auto-guiding railing as claimed in claim 3, it is characterised in that:The position induction device is arranged at Curved in tracks position and one end of close track entry.
CN201710784290.7A 2017-09-04 2017-09-04 Liftable automatic water conservancy diversion railing Expired - Fee Related CN107326830B (en)

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CN107326830B CN107326830B (en) 2023-03-21

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Cited By (4)

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CN108004964A (en) * 2018-01-15 2018-05-08 柴葳崴 Railway station/subway station safety and protection system
CN110295824A (en) * 2019-06-20 2019-10-01 浙江大华技术股份有限公司 Electronic gate control method and device, door control system, storage device
CN110804966A (en) * 2019-09-23 2020-02-18 重庆特斯联智慧科技股份有限公司 Road pedestrian recognition passing regulation system and method for smart city
CN112900313A (en) * 2021-01-20 2021-06-04 潘申潮 Service visitor system of amusement equipment area

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