阅读说明：本技术 一种带有报警功能的电子围栏防护装置 (Fence protector with alarming function ) 是由 刘建伟 于 2019-10-18 设计创作，主要内容包括：本发明公开了一种带有报警功能的电子围栏防护装置,其特征在于:包括防护装置,所述防护装置包括电子开关装置、紧急开关装置和防护栏,所述防护装置由若干个防护栏、电子开关装置以及紧急开关装置相互连接而成；本发明主要用于一些露天的农贸市场中,可以将本发明设于农贸市场的外部,依次将所有摊位限制在一定范围内,防止摊位的位置不恰当而影响交通,另外本发明中设有电子开关装置,可以规范进入的车辆,根据车辆进入的必要性降低车辆进入数量,保证农贸市场的秩序；除此之外,由于农贸市场较大的人流量,可以根据农贸市场的面积设置多个紧急开关装置,在突发情况下,可以迅速打开,方便人群的疏散。(The invention discloses an electronic fence protection device with an alarm function, which is characterized by comprising a protection device, wherein the protection device comprises an electronic switch device, an emergency switch device and a protective guard; the invention is mainly used in some open farmer markets, can locate the invention outside the farmer market, limit all booths in a certain range sequentially, prevent the improper position of the booths from influencing the traffic, in addition the invention is equipped with the electronic switchgear, can standardize the vehicle that enters, reduce the vehicle entering quantity according to the necessity that the vehicle enters, guarantee the order of the farmer market; in addition, because the great flow of people in farm trade market, can set up a plurality of emergency switch device according to the area in farm trade market, under emergency, can open rapidly, make things convenient for crowd's evacuation.)

1. The utility model provides an fence protector with alarming function which characterized in that: the protective device comprises an electronic switch device, an emergency switch device and protective railings (1), wherein the protective device is formed by mutually connecting a plurality of protective railings (1), the electronic switch device and the emergency switch device;

the electronic switch device comprises two sets of switch devices, the two sets of switch devices are symmetrically arranged, one side of each switch device is provided with a fixing plate (3), a fixing shaft (26) is arranged below the fixing plate (3), each switch device comprises a fan plate and a stepping motor (22), each fan plate comprises a fan plate I (115), a fan plate II (114), a fan plate III (113), a fan plate IV (112) and a fan plate V (111), one end of each fan plate I (115), the fan plate II (114), the fan plate III (113), the fan plate IV (112) and one end of each fan plate V (111) are respectively provided with a connector (20), the connectors (20) are sequentially movably connected with the fixing shaft (26), teeth (21) are arranged outside the connectors (20) on the fan plate V (111), a gear (24) is arranged on a motor shaft of the stepping motor (22), and the gear (24) is meshed with the teeth (21), a waterproof box (9) is arranged outside the stepping motor (22); the fan plate I (115), the fan plate II (114), the fan plate III (113), the fan plate IV (112) and the fan plate V (111) are spliced and unfolded mutually to form a rectangle (4), and an arc-shaped slideway (16) is arranged on one side of the rectangle (4);

the emergency switch device comprises a switch rail (8), a hydraulic cylinder (18) and four groups of power devices, wherein an upper connecting seat (31) and a lower connecting seat (30) are respectively arranged on two sides of the switch rail (8), the power devices are arranged on guard rails (1) on two sides of the switch rail (8), an upper group of power devices and a lower group of power devices are respectively arranged on each guard rail (1), an upper fixing column (36), a lower fixing column (39), a first fixing column (37) and a second fixing column (38) are respectively arranged on each guard rail (1), the power device on the upper portion is fixed through the upper fixing column (36) and the first fixing column (37) and is connected with the upper connecting seat (31), and the power device on the lower portion is fixed through the lower fixing column (39) and the second fixing column (38) and is connected with the lower connecting; the pneumatic cylinder (18) is arranged below the switch door, and a protection box (33) is arranged outside the pneumatic cylinder (18).

2. An electronic fence protection device with alarm function as claimed in claim 1, wherein: arc slide (16) distribute in proper order on fan board (115), fan board two (114), fan board three (113), fan board four (112), fan board five (111), all be equipped with baffle (14) on fan board one (115), fan board two (114), fan board three (113), fan board four (112), fan board five (111), baffle (14) are located the both ends of arc slide (16) on every fan board, all be equipped with slider (15) on fan board two (114), fan board three (113), fan board four (112), the fan board five (111), the upper and lower both sides of slider (15) are the arc, slider (15) are located one side of baffle (14), slider (15) and arc slide (16) sliding connection.

3. An electronic fence protection device with alarm function as claimed in claim 2, wherein: arc card strip (17) are equipped with to the both sides of arc slide (16), the both ends of slider (15) are equipped with dop (19), dop (19) and arc card strip (17) joint.

4. An electronic fence protection device with alarm function as claimed in claim 1, wherein: the upper portion of the first fan plate (115) is provided with a clamping block (13), the upper portion of the fixing plate (3) is provided with an arc-shaped clamping groove (12), a groove (27) is formed in the clamping groove (12), the two ends of the clamping block (13) are connected with the groove (27) in a clamping mode, the clamping block (13) is connected with the clamping groove (12) in a sliding mode, and the clamping groove (12) and the arc-shaped slide way (16) are arranged concentrically.

5. An electronic fence protection device with alarm function as claimed in claim 1, wherein: the power device comprises bent rods (28), straight rods (29) and connecting rods (34), wherein the end parts of the four straight rods (29) are movably connected to form a diamond structure (23), one ends of the two bent rods (28) are movably connected with each other, the other two ends of the four bent rods are movably connected with the upper end and the lower end of the diamond structure (23) respectively, one end of each straight rod (29) is movably connected with a first fixing column (37), one end of each straight rod is movably connected with one end of the diamond structure (23), and the other end of the diamond structure (23) is movably connected with an upper connecting seat (31).

6. An electronic fence protection device with alarm function as claimed in claim 1, wherein: the protective guard is characterized in that a connecting plate (2) is arranged between every two protective guards (1), the two connecting plates (2) are symmetrically clamped outside the protective guards (1), and the connecting plates (2) are connected through bolts.

7. An electronic fence protection device with alarm function as claimed in claim 1, wherein: the protective guard is characterized in that a support post (7) and a base (6) are arranged at the bottom of the protective guard (1), the support post (7) is arranged inside the base (6), threaded holes are formed in the side faces of the base (6) and the support post (7) respectively, a screw rod (35) is arranged inside each threaded hole, and the screw rod (35) is in threaded connection with the threaded holes.

8. An electronic fence protection device with alarm function as claimed in claim 1, wherein: the fixed plate (3) is provided with an alarm (11), a card reader (5) and a controller (10), and the card reader (5) and the stepping motor (22) are connected with the controller (10) through a circuit respectively.

9. An electronic fence protection device with alarm function as claimed in claim 1, wherein: be equipped with emergency switch button (32) on switch door one side rail guard (1), emergency switch button (32) outside is equipped with the safety cover, hydraulic cylinder (18) are connected in emergency switch button (32).

Technical Field

The invention relates to the field of protective devices, in particular to an electronic fence protective device with an alarm function.

Background

The farmer market has obvious economic attributes, is used as a main place for supplying shopping in vegetable baskets for urban and rural residents, and also has sociality and strong public welfare. In some open-air farm trade markets, the environment blocks up, does not have the order, because there is not facilities such as some fences, and the stall locating place is mixed and disorderly, influences peripheral traffic, and the farm trade market is exactly the intensive place of a number of people originally, owing to do not enclose and keep off the facility, and the random business turn over of each type vehicle has caused the order to block up more, does not have the standard.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the electronic fence protection device with the alarm function.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

an electronic fence protection device with an alarm function is characterized by comprising a protection device, wherein the protection device comprises an electronic switch device, an emergency switch device and guard rails, and the protection device is formed by interconnecting a plurality of guard rails, the electronic switch device and the emergency switch device;

the electronic switch device comprises two groups of switch devices, the two groups of switch devices are symmetrically arranged, a fixed plate is arranged on one side of each switch device, a fixed shaft is arranged below the fixed plate, each switch device comprises a fan plate I, a fan plate II, a fan plate III, a fan plate IV and a fan plate V, connectors are arranged at one ends of the fan plate I, the fan plate II, the fan plate III, the fan plate IV and the fan plate V, the connectors are sequentially and movably connected with the fixed shaft, teeth are arranged on the outer portions of the connectors on the fan plate V, a gear wheel is arranged on a motor shaft of the stepping motor, the gear wheel is meshed with the teeth, and a waterproof box is arranged on the outer portion of the stepping motor; the fan plate I, the fan plate II, the fan plate III, the fan plate IV and the fan plate V are spliced and unfolded mutually to form a rectangle, and an arc-shaped slideway is arranged on one side of the rectangle;

the emergency switch device comprises a switch fence, a hydraulic cylinder and four groups of power devices, wherein an upper connecting seat and a lower connecting seat are respectively arranged on two sides of the switch fence, the power devices are arranged on guard railings on two sides of the switch fence, an upper group of power device and a lower group of power devices are respectively arranged on each guard railing, an upper fixing column, a lower fixing column, a first fixing column and a second fixing column are respectively arranged on each guard railing, the power device on the upper part is fixed through the upper fixing column and the first fixing column and is connected with the upper connecting seat, and the power device on the lower part is fixed through the lower fixing column and the second fixing column and is connected with; the pneumatic cylinder is arranged below the switch door, and a protection box is arranged outside the pneumatic cylinder.

The further technical scheme is as follows: the arc slide distributes in proper order on fan board one, fan board two, fan board three, fan board four, fan board five, all be equipped with the baffle on fan board one, fan board two, fan board three, fan board four, the fan board five, the both ends of the arc slide on every fan board are located to the baffle, all be equipped with the slider on fan board two, fan board three, fan board four, the fan board five, the upper and lower two sides of slider are the arc, the slider is located one side of baffle, slider and arc slide sliding connection.

The further technical scheme is as follows: arc-shaped clamping strips are arranged on two sides of the arc-shaped slide way, clamping heads are arranged at two ends of the slide block, and the clamping heads are clamped with the arc-shaped clamping strips.

The further technical scheme is as follows: the upper portion of the first fan plate is provided with a clamping block, the upper portion of the fixing plate is provided with an arc-shaped clamping groove, a groove is formed in the clamping groove, the two ends of the clamping block are clamped with the groove, the clamping block is connected with the clamping groove in a sliding mode, and the clamping groove and the arc-shaped slide way are arranged concentrically.

The further technical scheme is as follows: the power device comprises bent rods, straight rods and connecting rods, the end parts of the four straight rods are movably connected to form a diamond structure, one ends of the two bent rods are movably connected with each other, the other two ends of the two bent rods are movably connected with the upper end and the lower end of the diamond structure respectively, one end of each straight rod is movably connected with one fixed column, one end of each straight rod is movably connected with one end of the diamond structure, and the other end of the diamond structure is movably connected with the upper connecting seat.

The further technical scheme is as follows: and a connecting plate is arranged between every two guard railings, the two connecting plates are symmetrically clamped outside the guard railings, and the connecting plates are connected through bolts.

The further technical scheme is as follows: the bottom of the protective guard is provided with a support column and a base, the support column is arranged inside the base, the side faces of the base and the support column are respectively provided with a threaded hole, a screw rod is arranged inside the threaded hole, and the screw rod is in threaded connection with the threaded hole.

The further technical scheme is as follows: the fixed plate is provided with an alarm, a card reader and a controller, and the card reader and the stepping motor are connected with the controller through lines respectively.

The further technical scheme is as follows: the protective guard on one side of the switch door is provided with an emergency switch button, a protective cover is arranged outside the emergency switch button, and the emergency switch button is connected with a hydraulic cylinder.

The invention has the beneficial effects that: the invention is mainly used in some open farmer markets, can locate the invention outside the farmer market, limit all booths in a certain range sequentially, prevent the improper position of the booths from influencing the traffic, in addition the invention is equipped with the electronic switchgear, can standardize the vehicle that enters, reduce the vehicle and enter the quantity according to the necessity that the vehicle enters, guarantee the order of the farmer market; in addition, due to the large people flow in the farmer market, a plurality of emergency switch devices can be arranged according to the area of the farmer market, and can be quickly opened under emergency conditions, so that people can be conveniently evacuated, and the emergency switch devices can serve as guard rails in daily states to maintain order and safety; in addition, an alarm is arranged, and the alarm can be pressed to give an alarm in emergency.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

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

FIG. 2 is a schematic view of the switching device fully closed;

FIG. 3 is a schematic view of the switching device semi-closed;

FIG. 4 is a schematic view of the switching device fully open;

fig. 5 is a partially enlarged view of a connection portion of a connector in the switchgear;

FIG. 6 is a schematic view of a fan plate five of the switchgear;

FIG. 7 is a schematic view of a fan plate in the switchgear;

FIG. 8 is a schematic view of a stationary plate in the switchgear;

FIG. 9 is a schematic diagram of the emergency switching device being closed;

FIG. 10 is a schematic view of the emergency switching device in a semi-open position;

FIG. 11 is a schematic view of the emergency switching device fully open;

fig. 12 is a schematic view of the guard rail connection;

fig. 13 is a schematic view of a guard rail on one side of an emergency opening and closing apparatus.

Wherein: 1. protecting the fence; 2. a connecting plate; 3. a fixing plate; 4. a rectangle shape; 5. a card reader; 6. a base; 7. a pillar; 8. a switch fence; 9. a waterproof box; 10. a controller; 11. an alarm; 12. a card slot; 13. a clamping block; 14. a baffle plate; 15. a slider; 16. an arc-shaped slideway; 17. An arc-shaped clamping strip; 18. a hydraulic cylinder; 19. clamping a head; 20. a connector; 21. teeth; 22. a stepping motor; 23. a diamond structure; 24. a gear; 26. a fixed shaft; 27. a trench; 28. bending a rod; 29. a straight rod; 30. a lower connecting seat; 31. an upper connecting seat; 32. an emergency switch button; 33. A protection box; 34. a connecting rod; 35. a screw; 36. an upper fixing column; 37. fixing a first column; 38. Fixing a second column; 39. a lower fixing column; 111. a fan plate V; 112. a fan plate IV; 113. a third fan plate; 114. a second fan plate; 115. and a first fan plate.

Detailed Description

The technical solutions in the embodiments of the present invention are 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.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention and the scope of the present invention is therefore not limited to the specific embodiments disclosed below.

As shown in fig. 1-13, an electronic fence protection device with alarm function is characterized in that: the protective device comprises an electronic switch device, an emergency switch device and a protective guard 1, wherein the protective device is formed by mutually connecting a plurality of protective guards 1, the electronic switch device and the emergency switch device; the electronic switch device comprises two groups of switch devices, the two groups of switch devices are symmetrically arranged, one side of each switch device is provided with a fixing plate 3, a fixing shaft 26 is arranged below the fixing plate 3, each switch device comprises a fan plate and a stepping motor 22, each fan plate comprises a fan plate I115, a fan plate II 114, a fan plate III 113, a fan plate IV 112 and a fan plate V111, one ends of the fan plate I115, the fan plate II 114, the fan plate III 113, the fan plate IV 112 and the fan plate V111 are respectively provided with a connector 20, the connectors 20 are movably connected with the fixing shaft 26 in sequence, the fan plate I115, the fan plate II 114, the fan plate III 113, the fan plate IV 112 and the fan plate V111 are sequentially stacked and arranged, the fan plate II 114 is arranged behind the fan plate I115, the fan plate III 113 is arranged behind the fan plate II 114, the fan plate IV 112 is arranged behind the fan plate III 113, the fan plate IV 111 is arranged behind the fan plate IV 112, and the fan plate IV 111 is, the fan plate I115, the fan plate II 114, the fan plate III 113, the fan plate IV 112 and the fan plate V111 are spliced and unfolded mutually to form a rectangle 4, and an arc-shaped slideway 16 is arranged on one side of the rectangle 4; the arc-shaped slide ways 16 are sequentially distributed on a first fan plate 115, a second fan plate 114, a third fan plate 113, a fourth fan plate 112 and a fifth fan plate 111, the first fan plate 115, the second fan plate 114, the third fan plate 113, the fourth fan plate 112 and the fifth fan plate 111 are respectively provided with a baffle 14, the baffles 14 are arranged at two ends of the arc-shaped slide ways 16 on each fan plate, the second fan plate 114, the third fan plate 113, the fourth fan plate 112 and the fifth fan plate 111 are respectively provided with a slide block 15, the upper surface and the lower surface of each slide block 15 are arc-shaped, each slide block 15 is positioned at one side of each baffle 14, each slide block 15 is in sliding connection with the arc-shaped slide ways 16, the two sides of each arc-shaped slide way 16 are provided with arc-shaped clamping strips 17, the two ends of each slide block 15 are provided with clamping heads 19, the clamping heads 19 are clamped with the arc-shaped clamping strips 17, the upper part of the first fan plate 115 is provided with a clamping block 13, the upper, the two ends of the clamping block 13 are clamped with the grooves 27, the clamping block 13 is connected with the arc-shaped clamping groove 12 in a sliding mode, and each fan plate is attached together through clamping between the clamping strip and the clamping head 19; the first fan plate 115 is attached to the fixed plate 3 through the clamping of the clamping block 13 and the groove 27, so that the second fan plate 114, the third fan plate 113, the fourth fan plate 112, the fifth fan plate 111 and the first fan plate 115 form a whole and are attached to the fixed plate 3; the arc-shaped clamping groove 12 and the arc-shaped slideway 16 are concentrically arranged; the outer part of the connector 20 of the fan plate five 111 is provided with teeth 21, a motor shaft of the stepping motor 22 is provided with a gear 24, the gear 24 is meshed with the teeth 21, the outer part of the stepping motor 22 is provided with a waterproof box 9, and the waterproof box 9 is used for protecting the stepping motor 22;

the emergency switch device comprises a switch fence 8, a hydraulic cylinder 18 and four groups of power devices, wherein an upper connecting seat 31 and a lower connecting seat 30 are respectively arranged on two sides of the switch fence 8, the power devices are arranged on guard railings 1 on two sides of the switch fence 8, an upper group of power devices and a lower group of power devices are arranged on each guard railing 1, an upper fixing column 36, a lower fixing column 39, a first fixing column 37 and a second fixing column 38 are respectively arranged on each guard railing 1, the power device on the upper part is fixed through the upper fixing column 36 and the first fixing column 37 and is connected with the upper connecting seat 31, the power device on the lower part is fixed through the lower fixing column 39 and the second fixing column 38 and is connected with the lower connecting seat 30, the hydraulic cylinder 18 is arranged below the switch fence 8, a hydraulic rod on the hydraulic cylinder 18 is fixed with the bottom of, an emergency switch button 32 is arranged on the protective guard 1 on one side of the switch fence 8, and a protective cover is arranged outside the emergency switch button 32; the power device comprises bent rods 28, straight rods 29 and connecting rods 34, the end parts of the four straight rods 29 are movably connected to form a diamond-shaped structure 23, one ends of the two bent rods 28 are movably connected with each other, the other two ends of the two bent rods are movably connected with the upper end and the lower end of the diamond-shaped structure 23 respectively, one end of each straight rod 29 is movably connected with a first fixed column 37, one end of each straight rod is movably connected with one end of the diamond-shaped structure 23, and the other end of the diamond-shaped structure 23 is movably connected with an upper connecting seat 31; the power device at the lower part is fixed by a corresponding lower fixing column 39 and a corresponding second fixing column 38, and one end of the diamond-shaped structure 23 is movably connected with the lower connecting seat 30; a connecting plate 2 is arranged between every two guard railings 1, the connecting plate 2 is clamped outside the guard railings 1, and the connecting plates 2 are connected through bolts; the bottom of the guard rail 1 is provided with a support post 7 and a base 6, the support post 7 is arranged inside the base 6, the side surfaces of the base 6 and the support post 7 are respectively provided with a threaded hole, a screw rod 35 is arranged inside the threaded hole, and the base 6 and the support post 7 are connected through the screw rod 35 and the threaded hole; the fixed plate 3 is provided with an alarm 11, a card reader 5 and a controller 10, and the card reader 5 and the stepping motor 22 are respectively connected with the controller 10 through a circuit.

The working process of the invention is as follows:

the invention is mainly used in some open farmer markets, can locate the invention outside the farmer market, limit all booths in a certain range sequentially, prevent the position of the booths from being improper and influence the traffic, in addition the invention is equipped with the electronic switching device, can standardize the vehicle that enters, reduce the vehicle entering quantity according to the necessity that the vehicle enters, guarantee the rank order of the farmer market; in addition, due to the large flow of people in the farmer market, a plurality of emergency switch devices can be arranged according to the area of the farmer market, and can be quickly opened under emergency conditions, so that people can be conveniently evacuated, and the emergency switch devices can be used as the protective fence 1 in daily state to maintain order and safety; in addition, an alarm 11 is arranged, and the alarm 11 can be pressed to give an alarm in case of emergency.

Working principle of the emergency switching device: the emergency switch device mainly comprises the steps of smashing a protective cover in emergency, starting a hydraulic cylinder 18 by pressing an emergency switch button 32, burying the lower part of the hydraulic cylinder 18 underground, pushing a switch fence 8 upwards through the hydraulic cylinder 18, vertically limiting the switch fence 8 through power devices at two sides, positioning the switch fence 8 through the mutual connection and matching of a bent rod 28, a straight rod 29 and a connecting rod 34 by the power devices, wherein each bent rod 28, the straight rod 29 and the connecting rod 34 in the power devices are movably connected, each group of power devices rotate upwards when the switch fence 8 moves upwards, a diamond-shaped structure 23 changes from a flat diamond shape to a regular diamond shape to a flat diamond shape, as shown in figures 9-11, figures 9-11 are schematic diagrams of three states in the process of the power devices moving on the switch fence 8, wherein the power device at the upper part is connected with an upper connecting seat 31, the lower power device is connected with the lower connecting seat 30, the lower connecting seat 30 is positioned at the bottom of the switch fence 8, and the upper connecting seat 31 is arranged below the middle of the switch fence 8, so that the switch fence 8 can be completely lifted and opened when the switch fence 8 is lifted, and the length of the power device is saved; when the switch fence 8 is closed, the hydraulic cylinder 18 is retracted, and the power device rotates downwards along with the switch fence; in the closed state at ordinary times, the arrangement of the connecting rod 34 can prevent the switch rail 8 from sliding left and right, so that the switch rail 8 is fixed and can be used as the protective guard 1; emergency switch device's setting can be filled as safety protective guard 1 in the ordinary day and use in crowd intensive places such as farmer's market, vegetable market, plays maintenance order, guarantees safe effect, when taking place emergency, opens switch fence 8, makes things convenient for crowd evacuation and flees.

The working principle of the electronic switching device is as follows: the electronic switch device mainly realizes the folding and unfolding of the fan plate by controlling the card reader 5 and the stepping motor 22 through the controller 10, wherein the card reader 5 is arranged at the inner side and the outer side of the fixed plate 3, when in use, IC cards can be issued to managers in farmer markets or vegetable markets and booters of each booth, when the booters get in stock or the managers carry out management work, through swiping the cards, after the IC cards are identified by the card reader 5, signals are transmitted to the control center, the control center transmits signals to the stepping motor 22 through a line, the stepping motor 22 is controlled to be started, the stepping motor 22 drives the gear 24 to rotate, the gear 24 is meshed with the teeth 21, so as to drive the fan plate five 111 to rotate, when the fan plate five 111 rotates upwards, the slide block 15 on the fan plate five 111 slides along the arc slide way 16 on the fan plate four 112, when the slide block 15 on the fan plate five 111 slides to the baffle plate 14 on one side of the fan plate four 112, the fifth fan plate 111 drives the fourth fan plate 112 to rotate upwards, the sliding block 15 of the fourth fan plate 112 slides on the arc-shaped slideway 16 on the third fan plate 113, when the sliding block 15 on the third fan plate 113 slides to the baffle plate 14 on one side of the second fan plate 114, the third fan plate 113 drives the second fan plate 114 to rotate upwards, the sliding block 15 of the second fan plate 114 slides on the arc-shaped slideway 16 on the first fan plate 115, when the sliding block 15 on the second fan plate 114 slides to the baffle plate 14 on one side of the first fan plate 115, the second fan plate 114 drives the first fan plate 115 to rotate upwards, the chuck 19 on the first fan plate 115 slides to the lowest end of the arc-shaped clamping groove 12 along the arc-shaped clamping groove 12, at the moment, the stepping motor 22 is closed, the switch device is fully opened, the controller 10 controls the revolution number of the stepping motor 22 to open and close the stepping motor 22, so that the fan plates are fully folded, opening of the switching device; in the electronic switch device, the stepping motors 22 in the switch devices on both sides are all connected to the controller 10, and the controller 10 controls the two stepping motors 22 separately, and the rest of the two stepping motors 22 are arranged identically except that the rotation directions are always opposite; and the controller 10 is provided with the opening time of the switch device, and after the switch device is opened for a certain time, the stepping motor 22 rotates reversely to close the switch device; when the switch device is closed, the stepping motor 22 rotates reversely to drive the gear 24 to rotate, the gear 24 drives the fan plate five 111 to rotate reversely, the sliding block 15 on the fan plate five 111 slides reversely along the arc-shaped slide way 16 on the fan plate four 112, when the sliding block slides to the position of the baffle 14, the sliding block is clamped with the baffle 14, the fan plate four 112 is immediately driven to rotate reversely, the fan plate four 112, the fan plate three 113, the fan plate two 114 and the fan plate one 115 rotate downwards in sequence, the switch device is closed, and the clamping block 13 on the fan plate one 115 is finally clamped with the uppermost end of the arc-shaped clamping groove 12.

The electronic switch device can prohibit any access of vehicles, and only vehicles meeting the regulations can enter, so that vehicles in farmer markets or vegetable markets are reduced to the maximum extent, good order in the farmer markets is kept, and congestion is avoided; in addition, the switch device realizes intellectualization, and is switched on and off by swiping a card, so that the access is convenient.

The bottom of the guard rail 1 is provided with a strut 7 and a base 6, the strut 7 and the base 6 are arranged separately, the strut 7 and the base 6 are fixed through a threaded hole by a screw 35, when the guard rail is installed, the base 6 is buried underground, the base 6 can be made of iron, the guard rail 1 is fixed through the weight and the burying, each guard rail 1 is clamped and connected through two symmetrical connecting plates 2, and then the guard rails 1 are fixed through bolts, so that the connection between the guard rails 1 can be realized; in addition, the fixed plate 3 is connected with the guard rail 1 in a welding mode; the support 7 and the base 6 are separately arranged, so that the weight of the protective guard 1 can be reduced, and each protective guard 1 can be conveniently moved when being installed; the other two guard rails 1 are fixed from top to bottom through the connecting plates 2, and the effect of reinforcing connection can be achieved.

The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the invention belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.