Safety detection device of unmanned laser forklift

Abstract

The safety detection device of the unmanned laser forklift comprises a bearing box and a containing box, the containing box is installed at the top end of the bearing box, an integrated board is installed in the containing box in a sliding mode, a sliding rail is installed at the top end of the integrated board, and a driving block is installed on the surface of the sliding rail in a sliding mode. An electric push rod is installed on the side wall of the integrated plate, the output end of the electric push rod is connected with a driving block, a rack is installed on the side wall of the driving block, a connecting shaft is movably installed in the portion, on one side of the sliding rail, of the integrated plate, the surface of the connecting shaft is sleeved with a second gear, and the second gear is meshed with the rack; and a swing frame is mounted at the bottom end of the connecting shaft. According to the device, convenient swing type distance sensing and convenient reciprocating swing abutting type dust scraping are achieved, the sensing height can be conveniently adjusted and matched, and the effects of sensing detection and dust scraping are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of safety detection devices, in particular to a safety detection device for an unmanned laser forklift. Background Art

[0002] Unmanned laser forklifts have a strong carrying capacity and can directly pick up material pallets for transportation. They can automatically slow down when turning and have functions such as automatically identifying obstacles and stopping in time. They are safe and reliable to travel. They are mainly used for raw material distribution on production lines, transportation of semi-finished products and finished products, and palletizing in factory warehouses. In industrial production, they can replace people to do certain monotonous, frequent, labor-intensive, repetitive and long-term operations or operations in dangerous and harsh environments. Unmanned laser forklifts need to use sensors, radars and other detection devices during driving to facilitate scanning and alarming of obstacles on the forward route. Traditional sensors are mostly installed directly and often have no protective devices. In order to better use the safety detection device, a safety detection device for an unmanned laser forklift is proposed.

[0003] For example, a laser forklift safety detection device disclosed in authorization announcement number CN214243729U includes a fixed plate, an area scanner is fixedly mounted on the fixed plate, a protective shell is fixedly mounted on the periphery of the area scanner, a dust box is fixedly mounted on the protective shell, an air pump is fixedly mounted on the dust box, the air pump is connected to the dust box, an air extraction pipe is connected to the air extraction pipe, a tap is connected to the tap, and the tap is fixedly connected to the protective shell via a fixed bracket. The area scanner and the air extraction pump are both electrically connected to a controller, and the controller is connected to an alarm.

[0004] Although it has the function of protecting the area scanner and reducing the accumulation of dust on the detection surface of the area scanner, thus avoiding the accumulation of a large amount of dust on the detection surface of the area scanner affecting the normal use of the area scanner, it does not solve the problem that the existing safety detection device is not conducive to convenient swing-type distance sensing and convenient reciprocating swing-type dust scraping when in use, and is not conducive to adjusting and adapting the sensing height, thereby affecting the effect of sensing detection and dust scraping. Utility Model Content

[0005] The purpose of the present utility model is to provide a safety detection device for an unmanned laser forklift to solve the problem in the above-mentioned background technology that the safety detection device is not convenient for convenient swing-type distance sensing and convenient reciprocating swing-type dust scraping, is not conducive to adjusting and adapting the sensing height, and affects the effect of sensing detection and dust scraping.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety detection device for an unmanned laser forklift, comprising a carrying box and a placing box, a placing box being installed on the top of the carrying box, an integrated board being slidably installed inside the placing box, a slide rail being installed on the top of the integrated board, a driving block being slidably installed on the surface of the slide rail, an electric push rod being installed on the side wall of the integrated board, and the output end of the electric push rod being connected to the driving block, a rack being installed on the side wall of the driving block, a connecting shaft being movably installed inside the integrated board on one side of the slide rail, a second gear being fitted on the surface of the connecting shaft, and the second gear and the rack being meshed with each other, a swing frame being installed on the bottom end of the connecting shaft, and a plurality of sets of distance sensors being installed on the side wall of the swing frame.

[0007] Preferably, transparent glass is installed on the side wall of the placement box, a lifting motor is installed on the inner wall of the placement box, a threaded rod is installed on the output end of the lifting motor, and the threaded rod is movably connected to the placement box.

[0008] Preferably, a threaded block is mounted on the surface of the threaded rod, and the threaded block is threadedly connected to the threaded rod, and the threaded block is slidingly connected to the placement box, and the threaded block is connected to the integrated board.

[0009] Preferably, a servo motor is installed on the outer wall of the carrying box, a worm is installed at the output end of the servo motor, a movable shaft is movably installed inside the carrying box on one side of the worm, a first gear is mounted on the surface of the movable shaft, and the first gear and the movable shaft are meshed with each other.

[0010] Preferably, a long connecting arm is installed on the side wall of the first gear, a right hinge shaft is installed at one end of the long connecting arm close to the first gear, and the long connecting arm is movably connected to the first gear through the right hinge shaft.

[0011] Preferably, a short connecting arm is installed at one end of the long connecting arm away from the right hinge shaft, a left hinge shaft is installed at one end of the short connecting arm close to the long connecting arm, and the short connecting arm is movably connected to the long connecting arm through the left hinge shaft.

[0012] Preferably, a pin is installed at one end of the short connecting arm away from the left hinge shaft, and the pin is movably connected to the carrying box, and the pin extends to the outside of the carrying box.

[0013] Preferably, a swing arm is installed at the top end of the pin shaft, a telescopic scraper is slidably installed inside the swing arm, and multiple groups of springs are installed on one side of the telescopic scraper, and the springs are connected to the swing arm.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the safety detection device not only realizes convenient swing-type distance sensing and convenient reciprocating swing-type dust scraping, facilitates the adjustment and adaptation of the sensing height, but also improves the effect of sensing detection and dust scraping;

[0015] (1) The electric push rod drives the driving block to move, the driving block drives the rack to move on the slide rail, the rack drives the second gear to rotate, the second gear drives the connecting shaft to rotate, and the connecting shaft drives the swing frame and the distance sensor to rotate, so that the distance sensor can swing to sense obstacles on the road ahead, thereby increasing the sensing range and improving the sensing effect. The lifting motor drives the threaded rod to rotate, the threaded rod drives the threaded block to move, and the threaded block drives the distance sensor to move up and down through the integrated board to adjust its height, so as to better sense and detect obstacles on the forward route, realize convenient swing-type rotation distance sensing, facilitate the adjustment and adaptation of the sensing height, and improve the sensing detection effect;

[0016] (2) The worm is driven to rotate by the servo motor, and the worm drives the first gear to rotate, and the first gear drives the right hinge shaft to rotate. Since the right hinge shaft is located at the eccentric position of the first gear, the long connecting arm is driven by the right hinge shaft to swing back and forth, and the short connecting arm is driven to swing back and forth through the left hinge shaft by the long connecting arm, and the swing arm is driven to swing back and forth through the pin shaft by the short connecting arm, and the swing arm drives the telescopic scraper to swing back and forth. Under the elastic action provided by the spring, the telescopic scraper is always in close contact with the surface of the transparent glass, so that the telescopic scraper can better scrape the dust on the surface of the transparent glass, thereby improving its scraping effect, realizing convenient reciprocating swinging and pressing type dust scraping, and improving the dust scraping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the storage box of the present invention;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the carrying box of the present invention;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the integrated board of the present utility model;

[0021] Figure 5 It is a side cross-sectional structural diagram of the swing arm of the utility model.

[0022] In the figure: 1. Carrying box; 2. Placement box; 3. Servo motor; 4. Swing arm; 5. Transparent glass; 6. Lifting motor; 7. Threaded rod; 8. Threaded block; 9. Integrated board; 10. Worm; 11. First gear; 12. Movable shaft; 13. Right hinge shaft; 14. Long connecting arm; 15. Left hinge shaft; 16. Short connecting arm; 17. Pin shaft; 18. Second gear; 19. Connecting shaft; 20. Rack; 21. Electric push rod; 22. Drive block; 23. Slide rail; 24. Swing frame; 25. Distance sensor; 26. Telescopic scraper; 27. Spring. DETAILED DESCRIPTION

[0023] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] See also Figure 1-5 , the utility model provides an embodiment: a safety detection device for an unmanned laser forklift, comprising a carrying box 1 and a placing box 2, the placing box 2 is installed on the top of the carrying box 1, an integrated board 9 is slidably installed inside the placing box 2, a slide rail 23 is installed on the top of the integrated board 9, a driving block 22 is slidably installed on the surface of the slide rail 23, an electric push rod 21 is installed on the side wall of the integrated board 9, the electric push rod 21 plays a role of power drive, and the output end of the electric push rod 21 is connected to the driving block 22, a rack 20 is installed on the side wall of the driving block 22, a connecting shaft 19 is movably installed inside the integrated board 9 on one side of the slide rail 23, a second gear 18 is fitted on the surface of the connecting shaft 19, and the second gear 18 and the rack 20 are meshed with each other, a swing frame 24 is installed at the bottom end of the connecting shaft 19, and a plurality of groups of distance sensors 25 are installed on the side wall of the swing frame 24;

[0025] First, the device is installed on the unmanned laser forklift, and the circuit of the device is connected to the unmanned laser forklift. At the same time, the device is connected to the controller of the unmanned laser forklift. When the unmanned laser forklift is moving, the distance sensor 25 senses the distance of obstacles on the road ahead through the transparent glass 5, and the data is transmitted to the controller on the unmanned laser forklift. The controller analyzes and judges the safety of the road, opens the electric push rod 21, and the electric push rod 21 drives the driving block 22 to move. The driving block 22 drives the rack 20 to move on the slide rail 23. Under the mutual meshing of the rack 20 and the second gear 18, the rack 20 drives the second gear 18 to rotate, and the second gear 18 drives the connecting shaft 19 to rotate. , the connecting shaft 19 drives the swing frame 24 and the distance sensor 25 to rotate, so that the distance sensor 25 performs a swing-type sensing of obstacles on the road ahead, thereby increasing the sensing range and improving the sensing effect. At the same time, the lifting motor 6 is turned on, and the lifting motor 6 drives the threaded rod 7 to rotate. Under the threaded connection between the threaded rod 7 and the threaded block 8, and under the sliding cooperation between the threaded block 8 and the placement box 2, the threaded rod 7 drives the threaded block 8 to move, and the threaded block 8 drives the distance sensor 25 to move up and down through the integrated board 9 to adjust its height, so as to better sense and detect obstacles on the forward route, realize convenient swing-type rotation distance sensing, facilitate the adjustment and adaptation of the sensing height, and improve the sensing detection effect;

[0026] A transparent glass 5 is installed on the side wall of the placement box 2, and a lifting motor 6 is installed on the inner wall of the placement box 2. The lifting motor 6 plays the role of power drive. A threaded rod 7 is installed on the output end of the lifting motor 6, and the threaded rod 7 is movably connected to the placement box 2;

[0027] The surface of the threaded rod 7 is covered with a threaded block 8, and the threaded block 8 is threadedly connected to the threaded rod 7, and the threaded block 8 is slidably connected to the placement box 2, and the threaded block 8 is connected to the integrated board 9. A servo motor 3 is installed on the outer wall of the carrying box 1, and the servo motor 3 plays a role of power drive. A worm 10 is installed at the output end of the servo motor 3. A movable shaft 12 is movably installed inside the carrying box 1 on one side of the worm 10. The surface of the movable shaft 12 is covered with a first gear 11, and the first gear 11 and the movable shaft 12 are meshed with each other;

[0028] A long connecting arm 14 is mounted on the side wall of the first gear 11. A right hinge shaft 13 is mounted on one end of the long connecting arm 14 close to the first gear 11. The long connecting arm 14 is movably connected to the first gear 11 via the right hinge shaft 13.

[0029] A short connecting arm 16 is mounted on one end of the long connecting arm 14 away from the right hinge shaft 13, and a left hinge shaft 15 is mounted on one end of the short connecting arm 16 close to the long connecting arm 14. The short connecting arm 16 is movably connected to the long connecting arm 14 via the left hinge shaft 15. A pin 17 is mounted on one end of the short connecting arm 16 away from the left hinge shaft 15, and the pin 17 is movably connected to the carrying box 1, and the pin 17 extends to the outside of the carrying box 1.

[0030] The top of the pin 17 is mounted with a swing arm 4, and a telescopic scraper 26 is slidably mounted inside the swing arm 4. One side of the telescopic scraper 26 is mounted with multiple sets of springs 27, and the springs 27 are connected to the swing arm 4;

[0031] When the device is used for a long time, the surface of the transparent glass 5 is covered with dust. In order not to affect the sensing effect of the distance sensor 25, the servo motor 3 is turned on, and the servo motor 3 drives the worm 10 to rotate. Under the mutual engagement of the worm 10 and the first gear 11, the worm 10 drives the first gear 11 to rotate, and the first gear 11 drives the right hinge shaft 13 to rotate. Because the right hinge shaft 13 is located at the eccentric position of the first gear 11, the right hinge shaft 13 drives the long connecting arm 14 to swing back and forth, and the long connecting arm 14 drives the short connecting arm 16 to swing back and forth through the left hinge shaft 15, and the short connecting arm 16 drives the swing arm 4 to swing back and forth through the pin 17, and the swing arm 4 drives the telescopic scraper 26 to swing back and forth. Under the elastic action provided by the spring 27, the telescopic scraper 26 is always in close contact with the surface of the transparent glass 5, so that the telescopic scraper 26 can better scrape the dust on the surface of the transparent glass 5, thereby improving its scraping effect, realizing convenient reciprocating swing and tight scraping of dust, and improving the effect of scraping dust.

[0032] Working principle: First, the electric push rod 21 drives the driving block 22 to move, and the driving block 22 drives the rack 20 to move on the slide rail 23, and the rack 20 drives the second gear 18 to rotate, and the second gear 18 drives the connecting shaft 19 to rotate, and the connecting shaft 19 drives the swing frame 24 and the distance sensor 25 to rotate, so that the distance sensor 25 can swing to sense obstacles on the road ahead, thereby increasing the sensing range and improving the sensing effect. The lifting motor 6 drives the threaded rod 7 to rotate, and the threaded rod 7 drives the threaded block 8 to move, and the threaded block 8 drives the distance sensor 25 to move up and down through the integrated board 9 to adjust its height, so as to better sense and detect obstacles on the forward route. After the device has been used for a long time, the surface of the transparent glass 5 is covered with dust. In order not to affect the distance The sensing effect of the sensor 25 is driven by the servo motor 3 to drive the worm 10 to rotate, and the worm 10 drives the first gear 11 to rotate, and the first gear 11 drives the right hinge shaft 13 to rotate. Because the right hinge shaft 13 is located at the eccentric position of the first gear 11, the long connecting arm 14 is driven by the right hinge shaft 13 to swing back and forth, and the long connecting arm 14 drives the short connecting arm 16 to swing back and forth through the left hinge shaft 15, and the short connecting arm 16 drives the swing arm 4 to swing back and forth through the pin 17, and the swing arm 4 drives the telescopic scraper 26 to swing back and forth. Under the elastic action provided by the spring 27, the telescopic scraper 26 is always in close contact with the surface of the transparent glass 5, so that the telescopic scraper 26 can better scrape the dust on the surface of the transparent glass 5, thereby improving its scraping effect and completing the use of the safety detection device of the unmanned laser forklift.

Claims

1. A safety detection device for an unmanned laser forklift, comprising a carrying box (1) and a placement box (2), characterized in that: The top of the carrying box (1) is provided with a placement box (2), the interior of the placement box (2) is slidably provided with an integrated board (9), the top of the integrated board (9) is provided with a slide rail (23), the surface of the slide rail (23) is slidably provided with a driving block (22), the side wall of the integrated board (9) is provided with an electric push rod (21), and the output end of the electric push rod (21) is connected to the driving block (22), the side wall of the driving block (22) is provided with a rack (20), the inside of the integrated board (9) on one side of the slide rail (23) is movably provided with a connecting shaft (19), the surface of the connecting shaft (19) is provided with a second gear (18), and the second gear (18) and the rack (20) are meshed with each other, the bottom end of the connecting shaft (19) is provided with a swing frame (24), and the side wall of the swing frame (24) is provided with multiple groups of distance sensors (25).

2. The safety detection device for an unmanned laser forklift according to claim 1, characterized in that: Transparent glass (5) is installed on the side wall of the placement box (2), a lifting motor (6) is installed on the inner wall of the placement box (2), a threaded rod (7) is installed on the output end of the lifting motor (6), and the threaded rod (7) is movably connected to the placement box (2).

3. The safety detection device for an unmanned laser forklift according to claim 2, characterized in that: The surface of the threaded rod (7) is covered with a threaded block (8), and the threaded block (8) is threadedly connected to the threaded rod (7), and the threaded block (8) is slidably connected to the placement box (2), and the threaded block (8) is connected to the integrated board (9).

4. The safety detection device for an unmanned laser forklift according to claim 1, characterized in that: A servo motor (3) is mounted on the outer wall of the carrying box (1), a worm (10) is mounted on the output end of the servo motor (3), a movable shaft (12) is movably mounted inside the carrying box (1) on one side of the worm (10), a first gear (11) is mounted on the surface of the movable shaft (12), and the first gear (11) and the movable shaft (12) are meshed with each other.

5. The safety detection device for an unmanned laser forklift according to claim 4, characterized in that: A long connecting arm (14) is installed on the side wall of the first gear (11), and a right hinge shaft (13) is installed on one end of the long connecting arm (14) close to the first gear (11), and the long connecting arm (14) is movably connected to the first gear (11) through the right hinge shaft (13).

6. The safety detection device for an unmanned laser forklift according to claim 5, characterized in that: A short connecting arm (16) is installed at one end of the long connecting arm (14) away from the right hinge shaft (13), and a left hinge shaft (15) is installed at one end of the short connecting arm (16) close to the long connecting arm (14), and the short connecting arm (16) is movably connected to the long connecting arm (14) through the left hinge shaft (15).

7. The safety detection device for an unmanned laser forklift according to claim 6, characterized in that: A pin shaft (17) is installed at one end of the short connecting arm (16) away from the left hinge shaft (15), and the pin shaft (17) is movably connected to the carrying box (1), and the pin shaft (17) extends to the outside of the carrying box (1).

8. The safety detection device for an unmanned laser forklift according to claim 7, characterized in that: A swing arm (4) is installed at the top end of the pin shaft (17), a telescopic scraper (26) is slidably installed inside the swing arm (4), and multiple groups of springs (27) are installed on one side of the telescopic scraper (26), and the springs (27) are connected to the swing arm (4).

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