Elevator for inspection robot

Abstract

The utility model discloses an elevator for an inspection robot, and relates to the technical field of elevators. The elevator for the inspection robot comprises stair steps, steel channels are arranged on the two sides of the stair steps, transmission racks are fixedly arranged at the bottoms of inner cavities of the two steel channels, guide rails are arranged on the surfaces of the tops of the two steel channels, and a plurality of stabilizing pieces are fixedly arranged at the bottoms of the two steel channels; wherein an upper limiting switch and a lower limiting switch are arranged at the top end and the bottom end of one steel channel and located on the opposite faces of the top end and the bottom end of the other steel channel respectively, and an upper emergency stop switch and a lower emergency stop switch are arranged at the top end and the bottom end of the other steel channel respectively. The installation space is greatly saved, a transmission mechanism adopts a worm gear and a worm to provide power, gear and rack transmission is achieved, operation is safe and stable, and noise is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of lifts and elevators, in particular to a lift and elevator for a patrol robot. Background Art

[0002] An inspection robot refers to a robot with intelligent capabilities that is used to perform inspections and realize autonomous and efficient inspection tasks. On the one hand, the inspection robot avoids unsafe factors such as high temperature, high voltage, strong electricity, and high dust concentration on site, which may cause personal injury to inspection personnel; on the other hand, it avoids safety production risks caused by equipment operation during inspections by inspection personnel.

[0003] Currently, due to terrain restrictions, most inspection robots are lifted using vertical lifting devices, which are bulky and require a dedicated space to operate. Most of them use chain transmission, which has high safety risks and loud noise. Therefore, we propose a lifting elevator for inspection robots to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a lifting elevator for an inspection robot, which solves the problem that most inspection robots are lifted by using vertical lifting devices, which are bulky and require a dedicated space to be set up for operation; and most use chain transmission, which has high safety risks and loud noise.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a lifting elevator for an inspection robot, comprising stair steps, channel steels are arranged on both sides of the stair steps, transmission racks are fixedly arranged at the bottom of the inner cavities of the two channel steels, guide rails are arranged on the top surfaces of the two channel steels, and a plurality of stabilizing members are fixedly arranged at the bottom of the two channel steels, an upper limit switch and a lower limit switch are respectively arranged at the top and bottom of one of the channel steels and located on the opposite side thereof, an upper emergency stop switch and a lower emergency stop switch are respectively arranged at the top and bottom of the other channel steel, and an outer cover is arranged at the top of the two channel steels and located above the guide rails;

[0006] A lifting frame is arranged between the two channel steels, a tray is arranged on the top surface of the lifting frame, blocking flaps are connected to both ends of the lifting frame through hinges, one side wall of the two blocking flaps is connected to the lifting frame through a flap push rod, a driving member is arranged in the inner cavity of the lifting frame, and both ends of the driving member are respectively meshed and connected with the two transmission racks, sliding members are arranged on both side walls of the lifting frame, and the sliding members are slidably connected to the guide rails, photoelectric switches are arranged on both sides of the two side walls of the tray, and a control electrical box is arranged on one side of the bottom of one of the channel steels.

[0007] Preferably, the driving member includes a worm gear motor arranged in the middle position of the bottom surface of the inner cavity of the lifting frame, and gear transmission shafts are installed at the output ends on both sides of the worm gear motor, and transmission gears are arranged at both ends of the two gear transmission shafts, and the transmission gears are meshed and connected with the transmission racks, and a manual part is installed at the input end of the worm gear motor.

[0008] Preferably, the manual part includes a hand-cranked transmission shaft, one end of the hand-cranked transmission shaft is connected to the input end of the worm gear motor through a coupling, a hand-cranked bearing seat is inserted in the middle of the hand-cranked transmission shaft, and the top surface of the hand-cranked bearing seat is connected to the bottom surface of the lifting frame, and a hand-cranked handle is fixedly provided at the other end of the hand-cranked transmission shaft.

[0009] Preferably, the sliding member includes a frame support plate arranged on the outer side wall of the lifting frame, a transmission connecting plate is arranged at the bottom of the outer wall of the frame support plate, a mounting plate is arranged on the outer wall of the transmission connecting plate, sliders are arranged on both sides of the bottom surface of the mounting plate, and the sliders are slidably connected to the guide rails.

[0010] Preferably, the stabilizing member comprises a supporting leg arranged on the bottom surface of the channel steel, and an adjusting supporting foot is fixedly arranged on the bottom end of the supporting leg.

[0011] Preferably, it also includes a status indicator light, which is arranged on the top of the channel steel on which the upper limit switch is installed.

[0012] Preferably, it further comprises an anti-intrusion grating, wherein a plurality of the anti-intrusion gratings are provided, and the plurality of the anti-intrusion gratings are provided on each level of the stair steps.

[0013] Beneficial Effects

[0014] The utility model provides a lifting elevator for inspection robots. Compared with the prior art, it has the following beneficial effects:

[0015] The lifting elevator for the inspection robot controls the operation of the worm gear motor through the control electric box, so that the worm gear motor can drive the two transmission gears to move on the two transmission racks respectively through the two gear transmission shafts. The frame support plate can be fixed on the lifting frame, and the two sliders can be installed and fixed through the transmission connection plate and the mounting plate. Since the slider is slidably connected with the guide rail, the lifting frame can move up and down smoothly, and then the tray can be driven to rise smoothly synchronously. After the upper limit switch detects the tray, it automatically stops at the highest point, the flap push rod retracts, and the blocking flap is pulled to be level with the tray.

[0016] The inspection robot walks from the top of the stair steps to the pallet. After the photoelectric switch detects that the inspection robot has landed, the flap push rod pushes the blocking flap. The blocking flap forms a 90-degree angle with the pallet to prevent the robot from falling. The lifting pallet is lowered by remote control. After the lower limit switch detects the pallet, the lifting pallet automatically stops at the lowest point. The flap push rod contracts, pulling the blocking flap to be level with the pallet. The inspection robot drives out from the pallet to the ground under the stair steps. The inspection robot completes the movement from top to bottom. The process of the inspection robot from bottom to top is the same as that from top to bottom, and will not be repeated. The guide rail can be protected by the outer cover, thereby protecting the guide rail and ensuring the safe use of the guide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the side structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the support structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the lifting tray of the utility model;

[0021] Figure 5 This is a schematic diagram of the internal structure of the lifting tray of the utility model.

[0022] In the figure: 1. Channel steel; 2. Transmission rack; 3. Guide rail; 4. Slider; 5. Status indicator light; 6. Upper limit switch; 7. Support leg; 8. Upper emergency stop switch; 9. Outer cover; 10. Adjustment support foot; 11. Lower emergency stop switch; 12. Lower limit switch; 13. Tray; 14. Blocking flap; 15. Lifting frame; 16. Transmission gear; 17. Mounting plate; 18. Transmission connecting plate; 19. Frame support plate; 20. Photoelectric switch; 21. Hand-cranked bearing seat; 22. Hand-cranked handle; 23. Flap push rod; 24. Worm gear motor; 25. Gear transmission shaft; 26. Hand-cranked transmission shaft; 27. Stair step; 28. Control electric box; 29. ​​Anti-intrusion grating. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5The utility model provides a technical solution: a lifting elevator for an inspection robot, comprising a stair step 27, channel steels 1 are arranged on both sides of the stair step 27, transmission racks 2 are fixedly arranged at the bottom of the inner cavity of the two channel steels 1, guide rails 3 are arranged on the top surfaces of the two channel steels 1, and a plurality of stabilizing members are fixedly arranged at the bottom of the two channel steels 1, an upper limit switch 6 and a lower limit switch 12 are respectively arranged at the top and bottom ends of one channel steel 1 and located on its opposite sides, an upper emergency stop switch 8 and a lower emergency stop switch 11 are respectively arranged at the top and bottom ends of the other channel steel 1, and an outer cover 9 is arranged on the top of the two channel steels 1 and above the guide rails 3; a lifting frame 15 is arranged between the two channel steels 1, a tray 13 is arranged on the top surface of the lifting frame 15, both ends of the lifting frame 15 are connected with blocking flaps 14 through hinges, one side wall of the two blocking flaps 14 is connected to the lifting frame 15 through a flap push rod 23, a driving member is arranged in the inner cavity of the lifting frame 15, and the driving member The two ends are respectively meshed and connected with two transmission racks 2, and sliding parts are provided on both side walls of the lifting frame 15, and the sliding parts are slidably connected with the guide rails 3. Photoelectric switches 20 are provided on both sides of the two side walls of the tray 13, and a control electric box 28 is provided on one side of the bottom of one of the channel steels 1. The driving part includes a worm gear motor 24 arranged in the middle position of the bottom surface of the inner cavity of the lifting frame 15, and the output ends of both sides of the worm gear motor 24 are installed with gear transmission shafts 25, and both ends of the two gear transmission shafts 25 are provided with transmission gears 16, and the transmission gears 16 are meshed and connected with the transmission racks 2, and the input end of the worm gear motor 24 is installed with a manual part, and the sliding part includes a frame support plate 19 arranged on the outer side wall of the lifting frame 15, and a transmission connecting plate 18 is provided at the bottom of the outer wall of the frame support plate 19, and a mounting plate 17 is provided on the outer wall of the transmission connecting plate 18, and sliders 4 are provided on both sides of the bottom surface of the mounting plate 17, and the sliders 4 are slidably connected with the guide rails 3;

[0025] The worm gear motor 24 is controlled by the control box 28, so that the worm gear motor 24 can drive the two transmission gears 16 to move on the two transmission racks 2 respectively through the two gear transmission shafts 25. Through the frame support plate 19, it can be fixed on the lifting frame 15, and the two sliders 4 can be installed and fixed through the transmission connecting plate 18 and the mounting plate 17. Since the slider 4 is slidably connected to the guide rail 3, the lifting frame 15 can move up and down smoothly, and then the tray 13 can be driven to rise smoothly synchronously. After the upper limit switch 6 detects the tray 13, it automatically stops at the highest point, the flap push rod 23 retracts, and the blocking flap 14 is pulled to be level with the tray 13, and the inspection robot is lifted from the top of the stair step 27 After walking onto the pallet 13, the photoelectric switch 20 detects that the inspection robot has landed, and the flap push rod 23 pushes the blocking flap 14. The blocking flap 14 forms a 90-degree angle with the pallet 13 to prevent the robot from falling. The lifting pallet 13 is lowered by remote control. After the lower limit switch 12 detects the pallet, the lifting pallet 13 automatically stops at the lowest point, and the flap push rod 23 contracts, pulling the blocking flap 14 to be level with the pallet 13. The inspection robot drives out from the pallet 13 to the ground under the stair step 27. The inspection robot completes the movement from top to bottom. The process of the inspection robot from bottom to top is the same as that from top to bottom, and will not be repeated. The guide rail 3 can be protected by the outer cover 9, thereby protecting the guide rail 3 and ensuring the safe use of the guide rail 3.

[0026] See also Figure 2 , Figure 3 The manual part includes a hand-cranked transmission shaft 26, one end of which is connected to the input end of the worm gear motor 24 through a coupling, a hand-cranked bearing seat 21 is inserted in the middle of the hand-cranked transmission shaft 26, and the top surface of the hand-cranked bearing seat 21 is connected to the bottom surface of the lifting frame 15, and a hand-cranked handle 22 is fixedly provided on the other end of the hand-cranked transmission shaft 26. In case of an electrical failure, the lifting tray 13 can be shaken by the hand-cranked handle 22 to release the inspection robot, which is convenient for maintenance.

[0027] See also Figure 2 , Figure 3 The stabilizing member includes a support leg 7 arranged on the bottom surface of the channel steel 1, and an adjustable support foot 10 is fixedly arranged at the bottom end of the support leg 7. Through the support leg 7 and the adjustable support foot 10, a stable support can be provided to the channel steel 1, thereby improving the stability of the channel steel 1 during use.

[0028] See also Figure 3 , and also includes a status indicator light 5, which is arranged at the top of the channel steel 1 on which the upper limit switch 6 is installed, and also includes an anti-intrusion grating 29, and a plurality of anti-intrusion gratings 29 are arranged, and a plurality of anti-intrusion gratings 29 are arranged on each level of the stair steps 27. During the lifting process, if there are debris or people occupying the steps, the grating 29 detects the presence of debris, the lifting elevator stops immediately, and the status indicator light 5 lights up red to ensure safety.

[0029] During operation, the worm gear motor 24 is controlled by the control box 28, so that the worm gear motor 24 can drive the two transmission gears 16 to move on the two transmission racks 2 respectively through the two gear transmission shafts 25. Through the frame support plate 19, it can be fixed on the lifting frame 15, and the two sliders 4 can be installed and fixed through the transmission connecting plate 18 and the mounting plate 17. Since the slider 4 is slidably connected to the guide rail 3, the lifting frame 15 can move up and down smoothly, and then the tray 13 can be driven to rise smoothly synchronously. After the upper limit switch 6 detects the tray 13, it automatically stops at the highest point, the flap push rod 23 retracts, and the blocking flap 14 is pulled to be level with the tray 13, and the inspection robot is at the highest point of the stair step 27. The upper end moves onto the tray 13, and after the photoelectric switch 20 detects that the inspection robot has landed, the flap push rod 23 pushes the blocking flap 14, and the blocking flap 14 forms a 90-degree angle with the tray 13 to prevent the robot from falling. The lifting tray 13 is lowered by remote control, and after the lower limit switch 12 detects the tray, the lifting tray 13 automatically stops at the lowest point, and the flap push rod 23 contracts, pulling the blocking flap 14 to be level with the tray 13, and the inspection robot drives out from the tray 13 to the ground under the stair step 27, and the inspection robot completes the movement from top to bottom. The process of the inspection robot from bottom to top is the same as that from top to bottom, and will not be repeated here. The guide rail 3 can be protected by the outer cover 9, thereby protecting the guide rail 3 and ensuring the safe use of the guide rail 3.

[0030] In case of electrical failure, the lifting tray 13 can be shaken by the hand crank handle 22 to release the inspection robot for easy repair and maintenance. The support legs 7 and the adjustable support feet 10 can provide stable support for the channel steel 1, thereby improving the stability of the use of the channel steel 1. During the lifting process, if there are debris or people occupying the steps, the grating 29 detects the debris, the elevator stops immediately, and the status indicator light 5 turns red to ensure safety.

[0031] In summary, the device utilizes the space above the steps to achieve elevator lifting without affecting the use of the steps, greatly saving installation space; the transmission mechanism uses a worm gear to provide power and a rack and pinion transmission, which ensures safe and stable operation and reduces noise generation.

[0032] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A lift for an inspection robot, comprising a stair step (27), characterized in that: Channel steels (1) are provided on both sides of the stair steps (27), transmission racks (2) are fixedly provided at the bottom of the inner cavities of the two channel steels (1), guide rails (3) are provided on the top surfaces of the two channel steels (1), and a plurality of fixing members are fixedly provided at the bottom of the two channel steels (1), an upper limit switch (6) and a lower limit switch (12) are provided at the top and bottom ends of one of the channel steels (1) and on the opposite sides thereof, respectively, an upper emergency stop switch (8) and a lower emergency stop switch (11) are provided at the top and bottom ends of the other channel steel (1), respectively, and an outer cover (9) is provided at the top of the two channel steels (1) and above the guide rails (3); A lifting frame (15) is arranged between the two channel steels (1), a tray (13) is arranged on the top surface of the lifting frame (15), both ends of the lifting frame (15) are connected to blocking flaps (14) through hinges, one side wall of the two blocking flaps (14) is connected to the lifting frame (15) through a flap push rod (23), a driving member is arranged in the inner cavity of the lifting frame (15), and both ends of the driving member are respectively meshed and connected with the two transmission racks (2), both side walls of the lifting frame (15) are arranged with sliding members, and the sliding members are slidably connected with the guide rails (3), both sides of the two side walls of the tray (13) are arranged with photoelectric switches (20), and a control electric box (28) is arranged on one side of the bottom of one of the channel steels (1).

2. The lifting elevator for an inspection robot according to claim 1, characterized in that: The driving member comprises a worm gear motor (24) arranged at a middle position of the bottom surface of the inner cavity of the lifting frame (15), the output ends on both sides of the worm gear motor (24) are both equipped with gear transmission shafts (25), both ends of the two gear transmission shafts (25) are both equipped with transmission gears (16), and the transmission gears (16) are meshed and connected with the transmission rack (2), and the input end of the worm gear motor (24) is equipped with a manual part.

3. The lifting elevator for the inspection robot according to claim 2, characterized in that: The manual part comprises a hand-cranked transmission shaft (26), one end of the hand-cranked transmission shaft (26) is connected to the input end of the worm gear motor (24) via a coupling, a hand-cranked bearing seat (21) is inserted into the middle of the hand-cranked transmission shaft (26), and the top surface of the hand-cranked bearing seat (21) is connected to the bottom surface of the lifting frame (15), and the other end of the hand-cranked transmission shaft (26) is fixedly provided with a hand-cranked handle (22).

4. The lifting elevator for an inspection robot according to claim 1, characterized in that: The sliding member comprises a frame support plate (19) arranged on the outer side wall of the lifting frame (15); a transmission connecting plate (18) is arranged at the bottom of the outer side wall of the frame support plate (19); a mounting plate (17) is arranged on the outer side wall of the transmission connecting plate (18); sliding blocks (4) are arranged on both sides of the bottom surface of the mounting plate (17); and the sliding blocks (4) are slidably connected to the guide rail (3).

5. The lifting elevator for an inspection robot according to claim 1, characterized in that: The stabilizing member comprises a support leg (7) arranged on the bottom surface of the channel steel (1), and an adjustable support foot (10) is fixedly arranged at the bottom end of the support leg (7).

6. The lifting elevator for an inspection robot according to claim 1, characterized in that: It also includes a status indicator light (5), which is arranged on the top of the channel steel (1) on which the upper limit switch (6) is installed.

7. The lifting elevator for an inspection robot according to claim 1, characterized in that: It also includes an anti-intrusion grating (29), wherein a plurality of the anti-intrusion gratings (29) are provided, and the plurality of the anti-intrusion gratings (29) are provided on each level of the staircase steps (27).

Images