A battery push-pull trolley with safety protection function

Abstract

The present invention discloses a battery push-pull trolley with a safety protection function, including a battery trolley frame, an electromagnetic clutch fixing seat fixedly installed at the bottom of the battery trolley frame, a driven roller assembly fixedly installed inside the electromagnetic clutch fixing seat, a trolley shield fixedly installed at the top of the battery trolley frame, a stair tread weldment fixedly installed on the side wall of the trolley shield, a spring butterfly hinge fixedly installed on the side wall of the stair tread weldment, and a micro-travel switch fixedly installed at the bottom of the stair tread weldment; the present invention provides triple protection to ensure the safety of personnel through the cooperation of internally arranged components. The trolley shield is detachable, easy to maintain and has steps, which can realize the functions of allowing people to climb and avoid in narrow spaces; the trolley is easy to operate and has the advantages of simple structure, small size, high safety, low manufacturing cost and low operating cost.

Description

Technical Field

[0001] The invention relates to the technical field of battery trolleys, in particular to a battery push-pull trolley with a safety protection function. Background Art

[0002] A handcart is a transport vehicle that is pushed and pulled by manpower. It is widely used in production and life because it is low in cost, simple in maintenance, easy to operate, light in weight, can work in places where motor vehicles are inconvenient to use, and is very convenient for transporting lighter items over short distances.

[0003] With the continuous development of trolley material handling technology, electric trolleys have emerged that use electricity instead of manpower as power. However, although electric-driven trolleys provide great convenience, they also increase their uncontrollability, which can easily cause production accidents at the production site. Summary of the invention

[0004] The purpose of the present invention is to provide a battery push-pull trolley with a safety protection function to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a battery push-pull trolley with a safety protection function, comprising a battery trolley frame, an electromagnetic clutch fixing seat is fixedly installed at the bottom of the battery trolley frame, a driven roller assembly is fixedly installed inside the electromagnetic clutch fixing seat, a trolley shield is fixedly installed at the top of the battery trolley frame, a stair tread weldment is fixedly installed on the side wall of the trolley shield, a spring butterfly hinge is fixedly installed on the side wall of the stair tread weldment, a micro-travel switch is fixedly installed at the bottom of the stair tread weldment, a steel plate is fixedly installed on the side wall of the spring butterfly hinge, a sponge strip is fixedly installed on the side wall of the steel plate, and the top of the battery trolley frame is fixedly installed with a spring butterfly hinge. A battery is fixedly installed on the top, an electric box bracket is fixedly installed on the periphery of the battery, a distribution box is fixedly installed on the top of the electric box bracket, an electric push rod assembly is fixedly installed on one side of the distribution box, a controller bracket is fixedly installed on one side of the electric push rod assembly, a drive assembly is fixedly installed on the bottom of the battery trolley frame, an emergency button box is fixedly installed on the upper right corner of the controller bracket, an audible and visual alarm is fixedly installed on the upper left corner of the electric push rod assembly, a wire trough bracket is fixedly installed between the electric box bracket and the electric push rod assembly, an inductive proximity switch is arranged inside the electric push rod assembly, and a roller limit switch is fixedly installed on the bottom of the stair tread weldment.

[0006] Preferably, an electromagnetic clutch is fixedly installed inside the electromagnetic clutch fixing seat.

[0007] Preferably, a ratchet mechanism is provided at one end of the electric push rod assembly.

[0008] Preferably, the number of the stair tread weldments is two, and the two stair tread weldments are respectively arranged at the front and rear ends of the battery trolley frame.

[0009] Preferably, the number of the one-position emergency button boxes is two, and the two one-position emergency button boxes are respectively arranged at two ends of the battery vehicle frame.

[0010] Preferably, the top of the trolley shield is provided with through holes whose number and position are respectively compatible with an emergency button box and an audible and visual alarm.

[0011] Preferably, the steel plate and the sponge strip are fixed by gluing with high-strength glue.

[0012] Preferably, there is a gap between the micro travel switch and the steel plate, and the installation position of the spring butterfly hinge is arranged inside the above gap.

[0013] Preferably, a motor is provided inside the driving assembly, and the motor is transmission-connected to the driven roller assembly via a chain.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the battery push-pull trolley with safety protection function can realize the movement of the curing vehicle and accurately arrange it, can implement a higher degree of semi-automation and has the functions of protecting personnel safety, etc., through manual remote control to the required position, the travel switches at both ends are used to slow down the detection switch on the ratchet mechanism to grab the limit, the trolley automatically moves in the opposite direction of the entry direction to pull the curing vehicle to move, and the travel switches at both ends are triggered to stop at the designated position, and then it moves in the opposite direction again to return to the manual remote control position to realize the next round of action; if there are people in the working area during the operation of the trolley, the sound and light alarm will emit sound and light to provide preliminary safety protection; an emergency stop switch is provided at each end of the battery trolley, and the emergency stop motor is powered off with one click. The electromagnetic clutch on the main walking shaft is energized to achieve emergency braking, which is the second level of protection. On this basis, there is also a third level of protection. A micro-travel switch is provided at each end of the trolley, which is triggered by a lever mechanism. However, since the mechanical mechanism is relatively rigid, a sponge strip is provided to provide a certain buffering effect. The micro-travel switch triggers the motor to cut off power, and the electromagnetic clutch on the main walking shaft is energized to achieve emergency braking, which is the third level of protection. Both the emergency stop and the travel switch triggering require personnel to reset before restarting, ensuring the safety of personnel. The trolley cover is detachable, easy to maintain, and has steps, which can enable personnel to climb and avoid in a narrow space. This makes the trolley easy to operate, and at the same time has the advantages of simple structure, compact size, high safety, low manufacturing cost and low operating cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention;

[0016] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of the middle A part;

[0017] Figure 3 It is a schematic diagram of the internal structure of the present invention;

[0018] Figure 4 It is a top view schematic diagram of the internal structure of the present invention;

[0019] Figure 5 It is a side view of the internal structure of the present invention;

[0020] Figure 6 for Figure 3 Schematic diagram of the enlarged structure of part B in the middle.

[0021] In the figure: 1. Battery trolley frame; 2. Electromagnetic clutch fixing seat; 3. Driven roller assembly; 4. Stair tread weldment; 5. Micro travel switch; 6. Spring butterfly hinge; 7. Steel plate; 8. Sponge strip; 9. Battery; 10. Electric box bracket; 11. Distribution box; 12. Electric push rod assembly; 13. Drive assembly; 14. One-position emergency button box; 15. Controller bracket; 16. Sound and light alarm; 17. Wire trough bracket; 18. Inductive proximity switch; 19. Trolley cover; 20. Roller limit switch. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-6The present invention provides an embodiment: a battery push-pull trolley with a safety protection function, comprising a battery trolley frame 1, an electromagnetic clutch fixing seat 2 is fixedly installed at the bottom of the battery trolley frame 1, an electromagnetic clutch is fixedly installed inside the electromagnetic clutch fixing seat 2, a driven roller assembly 3 is fixedly installed inside the electromagnetic clutch fixing seat 2, a trolley shield 19 is fixedly installed on the top of the battery trolley frame 1, and the top of the trolley shield 19 is provided with through holes whose number and position are respectively matched with an emergency button box 14 and an audible and visual alarm 16, and the side of the trolley shield 19 A stair tread weldment 4 is fixedly installed on the wall. The number of stair tread weldments 4 is two. The two stair tread weldments 4 are respectively arranged at the front and rear ends of the battery trolley frame 1. A spring butterfly hinge 6 is fixedly installed on the side wall of the stair tread weldment 4. A micro-travel switch 5 is fixedly installed on the bottom of the stair tread weldment 4. A steel plate 7 is fixedly installed on the side wall of the spring butterfly hinge 6. There is a gap between the micro-travel switch 5 and the steel plate 7. The installation position of the spring butterfly hinge 6 is arranged inside the above-mentioned gap. A sponge strip 8 is fixedly installed on the side wall of the steel plate 7. There is a gap between the steel plate 7 and the sponge strip 8. The battery trolley frame 1 is fixed with a high-strength glue and glued together. A battery 9 is fixedly installed on the top of the battery trolley frame 1. An electric box bracket 10 is fixedly installed on the periphery of the battery 9. A distribution box 11 is fixedly installed on the top of the electric box bracket 10. An electric push rod assembly 12 is fixedly installed on one side of the distribution box 11. A ratchet mechanism is provided at one end of the electric push rod assembly 12. A controller bracket 15 is fixedly installed on one side of the electric push rod assembly 12. A drive assembly 13 is fixedly installed on the bottom of the battery trolley frame 1. A motor is provided inside the drive assembly 13, and the motor is fixedly installed on the bottom of the battery trolley frame 1. The chain is transmission connected to the driven roller assembly 3, an emergency button box 14 is fixedly installed on the upper right corner of the controller bracket 15, and the number of emergency button boxes 14 is two, and the two emergency button boxes 14 are respectively arranged at both ends of the battery trolley frame 1, an audible and visual alarm 16 is fixedly installed on the upper left corner of the electric push rod assembly 12, a wire trough bracket 17 is fixedly installed between the electric box bracket 10 and the electric push rod assembly 12, an inductive proximity switch 18 is arranged inside the electric push rod assembly 12, and a roller limit switch 20 is fixedly installed on the bottom of the stair tread weldment 4.

[0024] Embodiment 1, according to Figure 1 , Figure 3 and Figure 5When the trolley is operated to move, it is controlled manually with the help of an external controller, and moves under the joint action of the driven roller assembly 3, the electromagnetic clutch set inside the electromagnetic clutch fixing seat 2, and the driving assembly 13. When the trolley is operated, the ratchet mechanism set at the front end is extended and retracted under the action of the electric push rod assembly 12 and the inductive proximity switch 18, and the curing vehicle is grasped. Under the action of the roller limit switch 20, the trolley automatically moves in the opposite direction of the entry direction to pull the curing vehicle to move. When it reaches the designated position, the micro-stroke switches 5 at both ends are triggered to stop. At this time, the installed ratchet mechanism is retracted under the action of the electric push rod assembly 12, and then moves in the opposite direction again to return to the manual remote control position to realize the next round of action. No personnel participation is required during the operation of the trolley, and then it is necessary to press the first direction key, and the rest is completed automatically by the machine to realize automatic operation.

[0025] Embodiment 2, according to Figure 3 , Figure 4 and Figure 6 If there are people in the working area, the sound and light alarm 16 of the battery trolley will emit sound and light during operation, which provides preliminary safety protection. An emergency button box 14 is provided at each end of the battery trolley, and an emergency stop switch is arranged inside. The height of the setting is moderate and ergonomic. By pressing the emergency stop, the drive assembly 13 is powered off, and the electromagnetic clutch arranged inside the electromagnetic clutch fixing seat 2 is energized, thereby realizing emergency braking; this is the second layer of protection, and on this basis, a third layer of protection is also provided. A micro-travel switch 5 is provided at each end of the trolley, which is triggered by a lever mechanism. However, since the mechanical mechanism is relatively hard, a sponge strip 8 is provided to play a certain buffering role. The micro-travel switch 5 triggers the drive assembly 13 to power off, and the electromagnetic clutch in the electromagnetic clutch fixing seat 2 is energized, thereby realizing emergency braking. This is the third layer of protection.

[0026] Embodiment 3, according to Figure 1 , Figure 3 and Figure 4 The top of the battery trolley frame 1 is fixed with a trolley shield 19 by bolts, and the trolley shield 19 is detachable for easy maintenance, and the stair tread weldment 4 can realize the functions of allowing people to climb and avoid in a narrow space.

[0027] Working principle: The battery push-pull trolley moves through the joint action of the driven roller assembly 3 set at the bottom, the electromagnetic clutch set inside the electromagnetic clutch fixing seat 2, and the driving assembly 13, and moves under the control of an external controller. When the trolley is operated by the ratchet mechanism set at the front end, it is extended and retracted and the curing vehicle is grasped under the action of the electric push rod assembly 12 and the inductive proximity switch 18, and the trolley automatically moves in the opposite direction of the entry direction under the action of the roller limit switch 20, thereby pulling the curing vehicle to move, and stops when the micro-stroke switches 5 at both ends are triggered at the designated position. At this time, the installed ratchet mechanism is retracted under the action of the electric push rod assembly 12, and then moves in the opposite direction again to return to the manual remote control position to realize the next round of action. No personnel participation is required during the operation of the trolley. If there are personnel in the working area, the battery trolley will sound and light alarm 1 during operation. 6 will emit sound and light, which provides preliminary safety protection. An emergency button box 14 is provided at each end of the battery trolley, and an emergency stop switch is provided inside. The setting height is moderate and ergonomic. By pressing the emergency stop, the drive assembly 13 is powered off, and the electromagnetic clutch provided inside the electromagnetic clutch fixing seat 2 is powered, thereby realizing emergency braking; this is the second layer of protection, and on this basis, a third layer of protection is also provided. A micro-travel switch 5 is provided at each end of the trolley, which is triggered by a lever mechanism. However, since the mechanical mechanism is relatively hard, a sponge strip 8 is provided to play a certain buffering role. The micro-travel switch 5 triggers the drive assembly 13 to power off, and the electromagnetic clutch in the electromagnetic clutch fixing seat 2 is powered, thereby realizing emergency braking, which is the third layer of protection; both the emergency stop and the travel switch triggering require personnel to reset before restarting, so as to ensure the safety of personnel; the trolley shield 19 is detachable for easy maintenance and has stair tread weldments 4 to realize the functions of the trolley being able to climb and avoid in a narrow space.

[0028] For those skilled in the art, the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or scope of the present invention. Therefore, the embodiments of the present invention are exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numerals in the claims should not be regarded as limiting the claims involved.

Claims

1. A battery push-pull trolley with safety protection function, comprising a battery trolley frame (1), characterized in that: The bottom of the battery trolley frame (1) is fixedly mounted with an electromagnetic clutch fixing seat (2), a driven roller assembly (3) is fixedly mounted inside the electromagnetic clutch fixing seat (2), the top of the battery trolley frame (1) is fixedly mounted with a trolley shield (19), the side wall of the trolley shield (19) is fixedly mounted with a stair tread weldment (4), the side wall of the stair tread weldment (4) is fixedly mounted with a spring butterfly hinge (6), the bottom of the stair tread weldment (4) is fixedly mounted with a micro travel switch (5), the side wall of the spring butterfly hinge (6) is fixedly mounted with a steel plate (7), the side wall of the steel plate (7) is fixedly mounted with a sponge strip (8), the top of the battery trolley frame (1) is fixedly mounted with a battery (9), the periphery of the battery (9) is fixedly mounted with an electric box bracket (10), A distribution box (11) is fixedly mounted on the top of the electric box bracket (10), an electric push rod assembly (12) is fixedly mounted on one side of the distribution box (11), a controller bracket (15) is fixedly mounted on one side of the electric push rod assembly (12), a drive assembly (13) is fixedly mounted on the bottom of the battery trolley frame (1), an emergency button box (14) is fixedly mounted on the upper right corner of the controller bracket (15), an audible and visual alarm (16) is fixedly mounted on the upper left corner of the electric push rod assembly (12), a wire trough bracket (17) is fixedly mounted between the electric box bracket (10) and the electric push rod assembly (12), an inductive proximity switch (18) is arranged inside the electric push rod assembly (12), and a roller limit switch (20) is fixedly mounted on the bottom of the stair tread weldment (4); A ratchet mechanism is provided at one end of the electric push rod assembly (12); There is a gap between the micro-travel switch (5) and the steel plate (7), and the installation position of the spring butterfly hinge (6) is arranged inside the gap.

2. A battery push-pull trolley with safety protection function according to claim 1, characterized in that: An electromagnetic clutch is fixedly installed inside the electromagnetic clutch fixing seat (2).

3. The battery push-pull trolley with safety protection function according to claim 1 is characterized in that: The number of the stair tread weldments (4) is two, and the two stair tread weldments (4) are respectively arranged at the front and rear ends of the battery trolley frame (1).

4. The battery push-pull trolley with safety protection function according to claim 1, characterized in that: The number of the one-position emergency button boxes (14) is two, and the two one-position emergency button boxes (14) are respectively arranged at two ends of the battery trolley frame (1).

5. The battery push-pull trolley with safety protection function according to claim 1 is characterized in that: The top of the trolley shield (19) is provided with through holes whose number and position are respectively matched with an emergency button box (14) and an audible and visual alarm (16).

6. The battery push-pull trolley with safety protection function according to claim 1, characterized in that: The steel plate (7) and the sponge strip (8) are fixed by gluing with high-strength glue.

7. The battery push-pull trolley with safety protection function according to claim 1 is characterized in that: The driving assembly (13) is provided with a motor inside, and the motor is transmission-connected to the driven roller assembly (3) via a chain.

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