Rail guided vehicle (RGV) capable of preventing false alarm

Abstract

The utility model relates to an RGV (Rail Guided Vehicle), in particular to an anti-false alarm RGV. The RGV with the false alarm prevention function comprises a frame, a controller, a servo wheel, a follower wheel, a track, a laser sensor, an alarm, a warning lamp, a contact block, a baffle, an induction block, an elastic piece and a conveying roller, the controller is installed on the rear portion of the frame, the servo wheel is rotationally connected to the front side of the lower portion of the frame and electrically connected with the controller, and the servo wheel is electrically connected with the track. A follower wheel is rotationally connected to the rear side of the lower portion of the frame, and a plurality of grooves are formed in the outer side ring of the follower wheel. The laser sensor detects an obstacle and sends a signal to the controller, the controller adjusts the servo wheels to slow down, when the contact block and the induction block are triggered, the alarm and the warning lamp are activated to give out alarm sound and the flashing lamp, the situation of false alarm is effectively reduced through the dual detection mechanism, and the safety of the servo wheels is improved. And the alarm can be given only when the obstacle is really encountered, so that the reliability and the accuracy are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of RGV trolley, in particular to a kind of RGV trolley of false alarm prevention alarm. BACKGROUND

[0002] RGV, the English abbreviation of rail-guided vehicle, also called rail shuttle trolley, has a wide range of applications in logistics system and station production line, and the vehicle is commonly used in the warehouse of various high-density storage systems, the trolley passage can be designed to any length as needed, and can carry out accurate material conveying according to predetermined plan and instruction, which not only significantly reduces transportation cost, but also improves the transportation efficiency of the entire warehouse, since fork truck does not need to enter the lane during operation, the use of RGV also improves the safety of operation.

[0003] The application occasion of RGV is relatively single, but can be classified according to different standards, according to function, RGV can be divided into two categories of assembly type and transportation type, which are suitable for material conveying and workshop assembly task respectively, and according to different movement modes, RGV can be divided into ring track type and straight line reciprocating type, ring track type RGV system has high efficiency, supports multiple trolleys to work simultaneously, while straight line reciprocating type RGV usually has only one trolley to execute straight line reciprocating motion, in order to prevent collision accidents during operation of RGV, usually a plurality of safety sensors are installed around it as preventive measures, such as photoelectric sensor, laser radar and emergency stop button, however, these safety devices may also cause false alarm due to external factors, for example, when the staff passes through the track area of RGV while maintaining a certain safety distance, photoelectric sensor may be triggered unintentionally, thereby causing unnecessary system interruption or alarm.

[0004] Therefore, it is necessary to design a kind of RGV trolley of false alarm prevention alarm, to solve the above technical problems. UTILITY MODEL CONTENT

[0005] In order to overcome the shortcoming that personnel or object may still cause unnecessary alarm or system stop when maintaining a certain safety distance from RGV trolley, the technical problem of the utility model is to provide a kind of RGV trolley of false alarm prevention alarm.

[0006] The technical scheme is: an anti-misreporting RGV trolley, comprising a trolley frame, a controller, a servo wheel, a follower wheel, a track, a laser sensor, an alarm, a warning light, a contact block, a baffle, a sensing block, an elastic member and a conveying roller, the controller is installed at the rear of the trolley frame, the servo wheel is rotatably connected to the front side of the lower part of the trolley frame, the servo wheel is electrically connected to the controller, the follower wheel is rotatably connected to the rear side of the lower part of the trolley frame, a plurality of grooves are formed in the outer side of the follower wheel, the RGV trolley is arranged on the track, and the servo wheel and the follower wheel slide on the track, two left and right laser sensors are symmetrically installed on the front and rear of the trolley frame, the alarm is installed on the front of the trolley frame, the laser sensor and the alarm are fixedly connected with the warning light at the top, the alarm and the warning light are electrically connected to the controller, two left and right contact blocks are symmetrically and slidably connected to the front and rear of the trolley frame, the baffles are fixedly connected between the same side contact blocks away from the trolley frame, two left and right sensing blocks are fixedly connected to the front and rear of the trolley frame, the elastic members are fixedly connected between the corresponding contact blocks and the corresponding sensing blocks, and the conveying roller is rotatably connected to the top of the trolley frame and electrically connected to the controller.

[0007] Further, the laser sensor and the contact block are blocked and extruded by external force and contacted with the sensing block, and the alarm is triggered.

[0008] Further, the laser sensor and the contact block are blocked and extruded by external force and contacted with the sensing block, and the alarm is triggered.

[0009] Further, the laser sensor and the contact block are blocked and extruded by external force and contacted with the sensing block, and the alarm is triggered.

[0010] Further, the laser sensor and the contact block are blocked and extruded by external force and contacted with the sensing block, and the alarm is triggered.

[0011] Further, the laser sensor and the contact block are blocked and extruded by external force and contacted with the sensing block, and the alarm is triggered.

[0012] Further, the laser sensor and the contact block are blocked and extruded by external force and contacted with the sensing block, and the alarm is triggered.

[0013] Beneficial effects: 1. The laser sensor detects the obstacle and sends a signal to the controller, so that the controller adjusts the servo wheel to slow down, when the contact block and the sensing block are triggered, the alarm and the warning light are activated to emit alarm sound and flashing light, such a double detection mechanism effectively reduces the false alarm situation, ensures that the alarm is only issued when a real obstacle is encountered, and improves the reliability and accuracy.

[0014] 2. The dust brush sweeps the track, keeps the track clean, and ensures the smoothness and safety of operation, the dust cover prevents dust from entering the inside of the controller, reduces the influence of dust and impurities on the product, and the trolley body is made of aluminum alloy material, so that the device is not easy to rust and the daily maintenance is relatively simple.

[0015] 3, The utility model discloses a stop the work of servo wheel through the alarm of 10 seconds continuously not stopping, control brake lever and follow wheel clamping simultaneously, protect the safety of equipment itself, operator and surrounding environment, avoid possible damage or accident. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0017] Figure 2 It is the three-dimensional structure schematic diagram of the utility model frame, track and baffle etc.

[0018] Figure 3 It is the three-dimensional structure schematic diagram of the utility model controller, follow wheel and laser sensor etc.

[0019] Figure 4 It is the three-dimensional structure schematic diagram of the utility model follow wheel, alarm and warning light etc.

[0020] Figure 5 It is the three-dimensional structure schematic diagram of the utility model laser sensor, contact block and dust brush etc. In the above drawing, 1-frame, 2-controller, 3-servo wheel, 4-follow wheel, 401-groove, 5-track, 6-laser sensor, 7-alarm, 8-warning light, 9-contact block, 10-baffle, 11-sensing block, 12-elastic member, 13-conveying roller, 14-dust brush, 15-dust cover, 16-brake lever. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0022] Embodiment: as Figures 1-5As shown, including the frame 1, controller 2, servo wheel 3, follow wheel 4, track 5, laser sensor 6, alarm 7, warning light 8, contact block 9, baffle 10, induction block 11, elastic member 12 and conveying roller 13, the rear of the frame 1 is provided with the controller 2 by screwing, the lower front side of the frame 1 is rotatably connected with the servo wheel 3, the servo wheel 3 is electrically connected with the controller 2, the lower rear side of the frame 1 is rotatably connected with the follow wheel 4, a plurality of grooves 401 are formed in the outer side of the follow wheel 4, the RGV trolley is arranged on the track 5, and the servo wheel 3 and the follow wheel 4 slide on the track 5, the frame 1 is symmetrically provided with two left and right laser sensors 6 by screwing, the front side of the frame 1 is provided with the alarm 7 by screwing, the top of the alarm 7 is welded with the warning light 8, the laser sensor 6, the alarm 7 and the warning light 8 are electrically connected with the controller 2, the frame 1 is symmetrically slidably connected with two left and right contact blocks 9, the same side contact blocks 9 are welded with the baffles 10 away from the frame 1, the frame 1 is symmetrically welded with two left and right induction blocks 11, the elastic members 12 are welded between the corresponding contact blocks 9 and the corresponding induction blocks 11, the top of the frame 1 is rotatably connected with the conveying roller 13, the conveying roller 13 is electrically connected with the controller 2, and the laser sensor 6 and the contact block 9 are blocked and extruded by external force and contacted with the induction block 11, so that the alarm is triggered.

[0023] In use, first, the goods to be transported are placed on the conveying roller 13, the controller 2 starts the conveying roller 13 to move the goods to a suitable position, then the controller 2 starts the servo wheel 3, the servo wheel 3 starts to rotate and drives the follow wheel 4 to rotate, so that the whole device can move stably along the predetermined track 5, the laser sensor 6 continuously emits a laser beam to detect whether there is an obstacle in the front path, if the laser sensor 6 detects that there is an obstacle in front, it will first send a signal to the controller 2, but at this time it will not trigger the alarm immediately, but allow the device to continue to slowly advance at a reduced speed, if the obstacle disappears, the laser sensor 6 sends a no-obstacle signal to the controller 2, the controller 2 makes the servo wheel 3 return to the normal driving speed, only when the device is in contact with the obstacle during the travel process, since the device is still slowly moving forward, the obstacle will extrude the contact block 9, so that the contact block 9 is displaced backward and contacted with the induction block 11, the elastic member 12 is compressed, the induction block 11 sends a signal to the controller 2, so that the alarm system is triggered, the controller 2 activates the alarm 7 to emit an alarm sound, and the warning light 8 starts to flash, so as to prompt the operator to pay attention or move the obstacle away.

[0024] As Figure 1 , Figure 3 and Figure 5As shown, it also includes a dust brush 14 and a dust cover 15, the bottom of the frame 1 is symmetrically welded with the dust brush 14, the controller 2 is slidably connected with the dust cover 15 away from the frame 1, and the dust brush 14 is a gap brush.

[0025] As shown, Figure 1 and Figure 3 As shown, it also includes a brake lever 16, the bottom of the frame 1 is rotatably connected with the brake lever 16 at the rear side, and the brake lever 16 is located directly above the follow-up wheel 4, the brake lever 16 is electrically connected with the controller 2, the groove 401 on the follow-up wheel 4 is the same size as the brake lever 16, and the vehicle body is made of aluminum alloy material.

[0026] In the running process of the device, the dust brush 14 can clean the track 5, ensuring that the track 5 remains clean, thereby ensuring the smoothness and safety of the device during operation. In addition, the controller 2 is protected by the sliding dust cover 15, preventing dust or impurities in the air from being absorbed on the controller 2. Dust accumulation can cause poor heat dissipation of the controller 2, thereby affecting performance and shortening service life. When the device alarm state lasts more than 10 seconds and still does not stop, the controller 2 will immediately stop the work of the servo wheel 3, and control the brake lever 16 to rotate downward, so that the brake lever 16 is clamped with the groove 401 of the follow-up wheel 4, to prevent further collision risk, protect the device itself, the operator and the safety of the surrounding environment, and avoid possible damage or accidents.

[0027] The above embodiments are only preferred embodiments of the present application, and are not intended to limit the scope of the present application. Therefore, any equivalent changes made in accordance with the content of the present application claims should be included within the scope of the present application claims.

Claims

1. A false alarm prevention RGV vehicle, characterized in that, The utility model relates to a kind of RGV trolley, including frame (1), controller (2), servo wheel (3), follow wheel (4), track (5), laser sensor (6), alarm (7), warning light (8), contact block (9), baffle (10), inductive block (11), elastic member (12) and conveying roller (13), controller (2) is installed in the rear part of frame (1), servo wheel (3) is rotatably connected in the lower front side of frame (1), servo wheel (3) is electrically connected with controller (2), follow wheel (4) is rotatably connected in the lower rear side of frame (1), a plurality of grooves (401) are all set in the outer side circle of follow wheel (4), RGV trolley is set on track (5), and servo wheel (3) and follow wheel (4) are all on track (5) sliding, left and right two laser sensors (6) are symmetrically installed in frame (1) front and back, alarm (7) is installed in the front part of frame (1), warning light (8) is fixedly connected on the top of alarm (7), laser sensor (6), alarm (7) and warning light (8) are electrically connected with controller (2), left and right two contact blocks (9) are symmetrically and slidingly connected in frame (1) front and back, baffle (10) is fixedly connected between the same side contact block (9) side away from frame (1), left and right two inductive blocks (11) are symmetrically and fixedly connected in frame (1) inside front and back, elastic member (12) is fixedly connected between corresponding contact block (9) and corresponding inductive block (11), conveying roller (13) is rotatably connected in the top of frame (1), conveying roller (13) is electrically connected with controller (2).

2. The false alarm prevention RGV trolley according to claim 1, characterized in that, Laser sensor (6) and contact block (9) are blocked and extruded by external force and contact inductive block (11), and only then alarm is triggered.

3. The false alarm prevention RGV trolley according to claim 2, characterized in that, It also includes dust brush (14) and dust cover (15), frame (1) bottom is fixedly connected with dust brush (14) front and back symmetrically, dust cover (15) is slidingly connected on the side of controller (2) away from frame (1).

4. The false alarm prevention RGV vehicle according to claim 3, characterized in that, Dust brush (14) is gap brush.

5. The false alarm prevention RGV vehicle according to claim 4, characterized in that, It also includes brake lever (16), frame (1) bottom is rotatably connected with brake lever (16), and brake lever (16) is located above follow wheel (4), brake lever (16) is electrically connected with controller (2).

6. The false alarm prevention RGV vehicle according to claim 5, characterized in that, The size of groove (401) on follow wheel (4) is same with brake lever (16).

7. The false alarm prevention RGV vehicle according to claim 6, characterized in that, Vehicle body adopts aluminum alloy material.

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