Anti-explosion freight elevator capable of preventing forklift collision

Abstract

The anti-explosion freight elevator capable of preventing the forklift from colliding comprises a lift car and a landing door, a control panel electrically connected to a main control computer is arranged in the lift car, and an anti-explosion detector electrically connected to the main control computer is installed on a wall body above the landing door; anti-skid lines are evenly arranged on the surface of the bottom of the lift car. A monitor and an alarm lamp which are electrically connected to the control panel are mounted in the lift car; fixing units are arranged on the left side wall and the right side wall in the lift car, and an anti-collision unit is arranged on the rear side wall in the lift car. The anti-explosion detector is arranged on the wall body above the landing door, and the arrival and the arrival speed of the forklift can be detected when the external forklift reaches the outer side of the landing door by a certain distance, so that the landing door and the car door are automatically controlled to be opened in time through the main control computer, and the forklift is prevented from colliding with the landing door and the car door; and by arranging the anti-skid lines and matching the anti-skid lines with the fixing unit and the anti-collision unit, the problem of collision caused by maloperation of the forklift in the lift car can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of freight elevators, in particular to an explosion-proof freight elevator capable of preventing forklift collisions. Background Art

[0002] Freight elevators are large-scale electromechanical equipment with a high degree of automation. Scientific maintenance can greatly extend the service life of freight elevators. As a precision means of transportation, elevators cannot be worn out forever no matter how good the quality of the product is. For a new freight elevator that has passed the installation and commissioning inspection, whether it can operate safely and reliably after delivery and use depends on the user unit's safety management, perfect maintenance and reasonable use of the freight elevator. Freight elevators may affect their performance due to their working characteristics, normal wear and tear of equipment, aging of electrical appliances, and improper use by humans. During the use of freight elevators, empty forklifts often need to enter and exit the freight elevators, as well as forklifts loaded with goods. During the use of current freight elevators, forklifts often collide with the floor doors when entering and exiting the elevators, causing damage. For this reason, an explosion-proof freight elevator that prevents forklift collisions is proposed. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide an explosion-proof freight elevator that can prevent forklift collisions. An explosion-proof detector can be used to detect the process of forklifts entering and exiting the elevator, thereby preventing the forklifts from colliding with the floor doors. The provided locking frame can lock the wheels of the forklift to prevent the forklift from malfunctioning during the elevator lifting process and causing damage to the interior of the car, which can effectively solve the problems in the background technology.

[0004] To achieve the above object, the utility model provides the following technical solution: an explosion-proof freight elevator for preventing forklift collision, comprising a car and a landing door, a control panel is arranged inside the car, an explosion-proof detector is installed on the wall above the landing door and the explosion-proof detector is electrically connected to the control panel;

[0005] The surface of the car bottom is evenly provided with anti-slip patterns;

[0006] A monitor and an alarm light are installed inside the car, and the monitor and the alarm light are electrically connected to the control panel;

[0007] The left and right side walls inside the car are provided with fixing units, and the rear side wall inside the car is provided with an anti-collision unit.

[0008] Furthermore, the fixing unit includes a locking frame, an electric telescopic rod, a linear motor, a main motor, a support frame, a mounting seat and an insert block, the insert block has two and is fixed to the bottom surface of the interior of the car on the left and right sides, the insert block is plugged into the slot in the middle of the mounting seat, the linear motors are fixed in the grooves at both ends of the inner side surface of the mounting seat, the support frame is fixed to the inner side surface of the linear motor mover seat, the top surface of the support frame is provided with a main motor, the bottom end of the main motor output shaft is connected to the top surface of the electric telescopic rod, the inner end of the electric telescopic rod is installed with a locking frame, the input ends of the electric telescopic rod, the linear motor and the main motor are electrically connected to the output end of the control panel, the insert block is plugged into the slot to facilitate the fixation of the mounting seat, the main motor and the electric telescopic rod are used to adjust the position of the locking frame, and the linear motor drives the locking frame to clamp and fix the wheels of the forklift to prevent the forklift from malfunctioning inside the car and causing bumps.

[0009] Furthermore, the fixing unit also includes a clamping block and a clamping hole, wherein the clamping block is fixed in a slot in the middle of the mounting seat, and the clamping hole is provided in the middle of the insert block, and the clamping block and the clamping hole are correspondingly clamped, thereby facilitating the disassembly and assembly of the mounting seat.

[0010] Furthermore, the anti-collision unit includes a motor, a connecting plate, a screw, a fixing seat, a spring and a buffer plate. The connecting plate is arranged on the rear side surface of the car, and the top surface of the connecting plate is provided with a motor. The bottom end of the motor output shaft is connected to the top end of the screw, and the screw is threadedly connected to the screw hole in the middle of the fixing seat. Springs are evenly distributed inside the fixing seat, and the front end of the spring is connected to the rear side surface of the buffer plate. The input end of the motor is electrically connected to the output end of the control panel. The motor drives the screw to rotate to adjust the height of the buffer plate. The spring can prevent the forklift's fork from directly colliding with the inner wall of the car and causing damage.

[0011] Furthermore, the anti-collision unit also includes a limit frame and a rubber pad. There are two limit frames and they are respectively fixed on the rear side of the buffer plate. The limit frame is slidably connected to the limit groove on the side of the fixed seat. The rubber pad is bonded to the front side of the buffer plate. The limit frame slides with the limit groove to prevent the buffer plate from being displaced by pressure, and the rubber pad can play a protective role.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By installing an explosion-proof detector on the wall above the landing door, the arrival and speed of the forklift can be detected when the forklift reaches a certain distance outside the landing door, so that the opening of the landing door and the car door can be automatically controlled in time through the control panel, thereby avoiding collision between the forklift and the landing door and the car door;

[0014] 2. By setting anti-slip grooves and cooperating with fixing units and anti-collision units, it is possible to prevent the forklift from accidentally moving inside the car and causing bumps. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the fixed unit of the utility model;

[0017] Figure 3 It is a partial enlarged structural schematic diagram of point A of the utility model.

[0018] In the figure: 1 car, 2 fixing unit, 21 locking frame, 22 electric telescopic rod, 23 linear motor, 24 main motor, 25 support frame, 26 mounting seat, 27 plug block, 28 clamp block, 29 clamp hole, 3 anti-collision unit, 31 motor, 32 connecting plate, 33 screw rod, 34 fixing seat, 35 spring, 36 buffer plate, 37 limit frame, 38 rubber pad, 4 explosion-proof detector, 5 monitor, 6 alarm light, 7 anti-slip pattern, 8 control panel, 9 floor door, 10 wall. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-3 The present embodiment provides an explosion-proof freight elevator for preventing forklift collision, including a car 1 and a floor door 9, a control panel 8 is arranged inside the car 1, an explosion-proof detector 4 is installed on the wall 10 above the floor door 9, and the explosion-proof detector 4 is electrically connected to the control panel 8; anti-slip grooves 7 are evenly arranged on the bottom surface of the car 1; a monitor 5 and an alarm light 6 are installed inside the car 1, and the monitor 5 and the alarm light 6 are electrically connected to the control panel 8; a fixing unit 2 is arranged on the left and right side walls inside the car 1, and an anti-collision unit 3 is arranged on the rear side wall inside the car 1.

[0021] Among them, the interior of the car 1 is provided with a fixing unit 2, and the fixing unit 2 includes a locking frame 21, an electric telescopic rod 22, a linear motor 23, a main motor 24, a support frame 25, a mounting seat 26 and an insert block 27. There are two insert blocks 27, which are fixed to the bottom surface of the interior of the car 1 on the left and right sides respectively. The insert block 27 is plugged into the slot in the middle of the mounting seat 26. The linear motor 23 is fixed in the grooves at both ends of the inner side surface of the mounting seat 26. The inner side surface of the moving seat of the linear motor 23 is fixed with a support frame 25. The top surface of the support frame 25 is provided with a main motor 24. The bottom end of the output shaft of the main motor 24 is connected to the top surface of the electric telescopic rod 22. The inner side end of the electric telescopic rod 22 is installed with a locking frame 21 The input ends of the electric telescopic rod 22, the linear motor 23 and the main motor 24 are electrically connected to the output end of the control panel 8, and the plug block 27 is plugged into the slot to facilitate the fixation of the mounting seat 26. The main motor 24 and the electric telescopic rod 22 are used to adjust the position of the locking frame 21. At the same time, the linear motor 23 drives the locking frame 21 to clamp and fix the wheels of the forklift to prevent the forklift from malfunctioning inside the car 1 and causing collisions; the fixing unit 2 also includes a clamping block 28 and a clamping hole 29. The clamping block 28 is fixed in the slot in the middle of the mounting seat 26, and the clamping hole 29 is provided in the middle of the plug block 27. The clamping block 28 is correspondingly clamped with the clamping hole 29, so as to facilitate the disassembly and assembly of the mounting seat 26.

[0022] Among them, an anti-collision unit 3 is provided at the rear side of the interior of the car 1, and the anti-collision unit 3 includes a motor 31, a connecting plate 32, a screw 33, a fixing seat 34, a spring 35 and a buffer plate 36. The connecting plate 32 is arranged on the rear side of the interior of the car 1, and the top surface of the connecting plate 32 is provided with a motor 31. The bottom end of the output shaft of the motor 31 is connected to the top end of the screw 33, and the screw 33 is threadedly connected to the screw hole in the middle of the fixing seat 34. Springs 35 are evenly distributed inside the fixing seat 34, and the front side end of the spring 35 is connected to the rear side of the buffer plate 36. The input end of the motor 31 is electrically connected to the control panel At the output end of 8, the motor 31 drives the screw 33 to rotate to adjust the height of the buffer plate 36, which can be prevented from being damaged by the forklift's fork directly hitting the inner wall of the car 1. The anti-collision unit 3 also includes a limit frame 37 and a rubber pad 38. There are two limit frames 37, which are respectively fixed on the rear side of the buffer plate 36. The limit frame 37 is slidably connected with the limit groove on the side of the fixed seat 34. The rubber pad 38 is bonded to the front side of the buffer plate 36. The limit frame 37 slides with the limit groove to prevent the buffer plate 36 from being displaced by pressure, and the rubber pad 38 can play a protective role.

[0023] The working principle of the utility model is as follows:

[0024] Firstly, by arranging the explosion-proof detector 4 on the wall 10 above the landing door 9, the arrival and speed of the forklift can be detected when the forklift reaches a certain distance outside the landing door 9, so as to realize the automatic control of the opening of the landing door 9 and the car door through the control panel 8 in time, thereby avoiding the collision between the forklift and the landing door 9 and the car door;

[0025] At the same time, the starter motor 31 drives the screw rod 33 to rotate to adjust the height of the buffer plate 36, which can prevent the forklift's fork from directly hitting the inner wall of the car 1 and causing damage, while the rubber pad 38 can play a protective role;

[0026] Then, drive the forklift into the interior of the car 1 and prevent the forklift from sliding by setting the anti-skid grooves 7, and at the same time start the main motor 24 and the electric telescopic rod 22 to adjust the position of the locking frame 21, and at the same time the linear motor 23 drives the locking frame 21 to clamp and fix the wheels of the forklift to prevent the forklift from malfunctioning inside the car 1 and causing bumps. According to the height of the forklift, it slides on the outside, and the elastic protrusion 11 is engaged with the fixing hole 10 to facilitate the adjustment and fixation of the position. In this way, the explosion-proof detector 4 cooperates with the monitor 5 to detect the process of the forklift entering and exiting the elevator in real time, and starts the alarm light 6 to flash when the distance between the forklift and the floor door is close, thereby reminding personnel to prevent the forklift from colliding with the floor door, and when it senses the arrival of the forklift, it can open the floor door and the car door in time to prevent the forklift from hitting the floor door and the car door.

[0027] It is worth noting that the control panel 8 disclosed in the above embodiment uses the model S7-200, the main motor 24 and the motor 31 can be freely configured according to the actual application scenario, and it is recommended to use the servo motor model 80M-03230C10-C, the monitor 5 can use the monitor model YTH-SJJ-100, and the alarm light 6 can use the alarm light model YJ4870. The control panel 8 controls the electric telescopic rod 22, the linear motor 23, the main motor 24, the motor 31, the explosion-proof detector 4, the monitor 5 and the alarm light 6 using the methods commonly used in the prior art.

[0028] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An explosion-proof freight elevator for preventing forklift collision, characterized in that: The invention comprises a car (1) and a landing door (9), wherein a control panel (8) is arranged inside the car (1) and the control panel (8) is electrically connected to a main control machine, and an explosion-proof detector (4) is installed on a wall (10) above the landing door (9) and the explosion-proof detector (4) is electrically connected to the main control machine; The floor surface of the car (1) is evenly provided with anti-slip patterns (7); A monitor (5) and an alarm light (6) are installed inside the car (1), and the monitor (5) and the alarm light (6) are electrically connected to the control panel (8); The left and right side walls inside the elevator car (1) are provided with fixing units (2), and the rear side wall inside the elevator car (1) is provided with an anti-collision unit (3).

2. The explosion-proof freight elevator for preventing forklift collision according to claim 1, characterized in that: The fixing unit (2) comprises a locking frame (21), an electric telescopic rod (22), a linear motor (23), a main motor (24), a support frame (25), a mounting seat (26) and an insert block (27). The insert block (27) has two and is fixed to the bottom surface of the interior of the car (1) on the left and right sides respectively. The insert block (27) is plugged into a slot in the middle of the mounting seat (26). The linear motor (23) is fixed in the grooves at both ends of the inner side surface of the mounting seat (26). The inner side surface of the moving element seat of the linear motor (23) is fixed with a support frame (25). The top surface of the support frame (25) is provided with a main motor (24). The bottom end of the output shaft of the main motor (24) is connected to the top surface of the electric telescopic rod (22). The inner side end of the electric telescopic rod (22) is installed with a locking frame (21). The input ends of the electric telescopic rod (22), the linear motor (23) and the main motor (24) are electrically connected to the output end of the control panel (8).

3. The explosion-proof freight elevator for preventing forklift collision according to claim 2, characterized in that: The fixing unit (2) further comprises a clamping block (28) and a clamping hole (29), wherein the clamping block (28) is fixed in a slot in the middle of the mounting seat (26), and the clamping hole (29) is provided in the middle of the inserting block (27).

4. The explosion-proof freight elevator for preventing forklift collision according to claim 1, characterized in that: The anti-collision unit (3) comprises a motor (31), a connecting plate (32), a screw (33), a fixing seat (34), a spring (35) and a buffer plate (36); the connecting plate (32) is arranged on the rear side of the interior of the car (1); the top surface of the connecting plate (32) is provided with a motor (31); the bottom end of the output shaft of the motor (31) is connected to the top end of the screw (33); the screw (33) is threadedly connected to a screw hole in the middle of the fixing seat (34); springs (35) are evenly distributed inside the fixing seat (34); the front side end of the spring (35) is connected to the rear side of the buffer plate (36); the input end of the motor (31) is electrically connected to the output end of the control panel (8).

5. The explosion-proof freight elevator for preventing forklift collision according to claim 4, characterized in that: The anti-collision unit (3) further comprises a limiting frame (37) and a rubber pad (38), wherein the limiting frames (37) are provided in two portions and are respectively fixed to the rear side of the buffer plate (36), the limiting frames (37) are slidably connected to the limiting grooves on the side of the fixing seat (34), and the rubber pad (38) is bonded to the front side of the buffer plate (36).

Images