Manned following device

Abstract

This utility model relates to the field of automotive manufacturing technology, and more specifically, to a manned accompanying device, comprising: a track, a trolley, moving wheels, drive wheels, a landmark detection sensor, a controller, a power supply, a following limit switch, a parts placement platform, a drive motor, and several position landmarks. The trolley is equipped with a work platform for carrying personnel. Using the trolley, the required fasteners can be placed on the trolley in advance, and all required parts can be simultaneously retrieved and placed on the trolley, avoiding the need to repeatedly retrieve fasteners or parts during installation. This reduces the workload of workers by minimizing the need for strenuous assembly work. Furthermore, when installing parts, workers can move along with the trolley and the vehicle body, resulting in a more stable installation. The elimination of the need for movement during installation further reduces workload and improves installation efficiency, ensuring a consistent work rhythm and preventing incorrect or missing parts, thus guaranteeing work quality.

Description

Technical Field

[0001] This utility model relates to the field of automobile manufacturing technology, and more specifically, to a passenger-carrying device. Background Technology

[0002] In the automotive final assembly process, the assembly of a single vehicle on the production line requires the assembly of multiple parts and the retrieval of various tools. Since there is a certain distance between the parts placement table and the production line, workers need to travel back and forth to retrieve fasteners or other parts required for assembly. This necessitates moving along the assembly line while performing the assembly, resulting in longer walking distances for repeated parts retrievals. This indirectly shortens the workers' assembly time, increases the difficulty and intensity of their work, and can easily lead to untimely parts retrieval, resulting in shift work and waiting time at downstream stations, thus affecting normal production. Furthermore, this chaotic assembly rhythm can easily lead to incorrect or missing parts, impacting the overall assembly quality. Utility Model Content

[0003] To overcome the shortcomings of the prior art in automobile assembly where workers have high workload, this utility model provides a passenger-carrying device to reduce the labor intensity of workers.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a manned following device, comprising: a track, a trolley, moving wheels, drive wheels and landmark detection sensors respectively installed at the bottom of the trolley, a controller, a power supply, a following limit switch and a parts placement platform respectively installed on the trolley, a drive motor connected to the drive wheels, and a plurality of location landmarks set beside the track. The trolley is provided with a work platform for carrying people. The landmark detection sensors are used to detect the location landmarks. The landmark detection sensors, the following limit switches and the drive motor are all electrically connected to the controller. The drive motor and the controller are all electrically connected to the power supply.

[0005] The trolley is equipped with track wheels that work in conjunction with a track, allowing it to slide along the track. The controller receives signals from the following limit switch and the landmark detection sensor, and issues control commands to the drive motor or other working devices according to a pre-programmed sequence. The following limit switch is located on the top of the trolley and is used to contact an external lifting device, which then triggers the switch. The landmark sensor detects the location of landmarks, providing travel limit information for the trolley's movement. The landmark detection sensor, following limit switch, drive motor, and controller are all powered by a power supply unit, which can be a standard battery or an external power source. A parts placement platform is used to place parts, allowing them to move with the trolley. Depending on the actual operation, parts can be placed directly on the platform to reduce the number of times workers need to retrieve parts, or fasteners such as screws or clips can be placed there. The trolley also has a work platform for workers to stand on, allowing them to move with the trolley for easy parts installation.

[0006] Specifically, in the production line, the external lifting device moves synchronously with the vehicle body, that is, it moves synchronously with the vehicle body. When the lifting device moves to the position of the trolley, it triggers the following limit switch. After receiving the signal, the controller issues a command to drive the drive motor to drive the drive wheel, thereby making the trolley move synchronously. When the trolley moves to the set position landmark, the landmark detection sensor detects the position landmark. After receiving the signal, the controller controls the drive motor to rotate in the reverse direction and disables the following limit switch, causing the trolley to move back to reset. The switch is reactivated after the trolley returns to the initial position or leaves the external lifting device, allowing the trolley to reset smoothly. During this process, with the assistance of the trolley, operators can place the required fasteners on the trolley in advance and simultaneously retrieve and place all necessary parts onto the trolley at once. This avoids the need to repeatedly retrieve fasteners or parts during installation, reduces the workload of operators by minimizing the need for strenuous assembly work, and allows operators to move along with the trolley and the vehicle body while installing parts, resulting in a more stable installation. This eliminates the need for operators to move while installing, further reducing workload and improving installation efficiency. It also ensures a consistent work rhythm, prevents incorrect or missing parts, and guarantees work quality.

[0007] Preferably, it also includes a control box mounted on the trolley, the control box being equipped with an emergency stop button, a movement button and a reset button, all of which are electrically connected to the controller.

[0008] The control box is electrically connected to the controller and is equipped with an emergency stop button, a movement button, and a reset button to improve the use and installation of the trolley, enhance operability, and make it more convenient to use.

[0009] Preferably, the location landmarks include in-situ landmarks and limit landmarks respectively set at both ends of the trolley's travel distance, and deceleration landmarks set between the in-situ landmarks and the limit landmarks, wherein the distance between the deceleration landmarks and the in-situ landmarks is less than the distance between the deceleration landmarks and the limit landmarks.

[0010] The in-situ landmark is set at the starting position of the trolley, and the limit landmark is set at the ending position to prevent the trolley from moving to the next work station. The deceleration landmark is set between the in-situ landmark and the limit landmark, and is closer to the in-situ landmark to trigger the deceleration movement of the trolley. When the trolley resets, the distance between the limit landmark and the deceleration landmark moves at a relatively fast speed to improve movement efficiency. After the landmark detection sensor detects the deceleration landmark, the trolley continues to move at a relatively slow speed to avoid collision with the rear lifting device during the movement of the trolley and ensure safety.

[0011] Preferably, the control box is further provided with a manual / automatic switching knob and a movement button, both of which are electrically connected to the controller.

[0012] The manual / automatic switching knob and movement buttons are provided to further facilitate operators in controlling the trolley. The manual / automatic switching knob switches the trolley to move automatically or manually, while the movement buttons are used to manually control the trolley to move forward and backward. There are two movement buttons, one for forward movement and one for backward movement.

[0013] Preferably, the device also includes grating sensors respectively disposed on the front and rear sides of the bottom of the trolley, and the grating sensors are electrically connected to the controller.

[0014] A grating sensor is installed to detect whether there are foreign objects within the travel distance of the trolley. Once the grating sensor detects a foreign object, the trolley stops moving to ensure operational safety. Grating sensors are installed on both the front and rear sides of the bottom of the trolley.

[0015] Preferably, the system also includes a safety mat installed on the workstation, the safety mat being electrically connected to the controller.

[0016] Safety mats are common devices in the industrial field. They are equipped with pressure sensors that can detect whether there are workers standing on the safety mat. Setting up safety mats can further improve work safety. After the workers get off the safety mat, the trolley can move in the reverse direction to reset, avoiding the danger of the workers being knocked over due to the trolley moving too fast during rapid reset.

[0017] Preferably, the device also includes a track detection sensor disposed at the bottom of the trolley, the track detection sensor being electrically connected to the controller.

[0018] Track detection sensors are used to detect whether the trolley has derailed, thereby improving the safety of trolley movement.

[0019] Preferably, the device also includes an alarm installed on the trolley, the alarm being electrically connected to the controller.

[0020] Alarm devices can be selected from three-color alarms or audible and visual alarms, etc.

[0021] Preferably, it also includes an emergency stop limit switch disposed on the top of the trolley, wherein the trigger end of the emergency stop limit switch is disposed at the same height as the following limit switch and is located in front of the following limit switch, and there are two following limit switches.

[0022] The emergency stop limit switch is connected to the signal of the external lifting equipment or the vehicle body. When the trolley stops moving due to a situation, the external lifting equipment continues to move forward, which will trigger the emergency stop limit switch, causing the external lifting equipment and the vehicle body to stop together, thus stopping the production line and ensuring the safety of the workers.

[0023] Preferably, it also includes a battery gun holder disposed on the trolley, the battery gun holder being located on one side of the parts placement platform.

[0024] Compared with the prior art, the beneficial effects of this utility model are:

[0025] With the assistance of the trolley, operators can pre-place the necessary fasteners on the trolley and simultaneously retrieve and place all required parts onto it at once. This avoids the need to repeatedly retrieve fasteners or parts during installation, reducing the workload and requiring operators to perform strenuous assembly work. Furthermore, when installing parts, operators can move along with the trolley and the vehicle body, resulting in a more stable installation. The elimination of the need to move while installing further reduces workload and improves efficiency, ensuring a consistent work pace and preventing incorrect or missing parts, thus guaranteeing work quality. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the working structure of a manned accompanying device according to this utility model;

[0027] Figure 2 yes Figure 1 Enlarged schematic diagram of part A;

[0028] Figure 3 This is a schematic diagram of the bottom structure of a manned accompanying device according to this utility model;

[0029] Figure 4 This is a schematic diagram of the trolley structure of a manned accompanying device according to this utility model.

[0030] In the diagram: 1. Track; 2. Trolley; 3. Moving wheel; 4. Drive wheel; 5. Landmark detection sensor; 6. Controller; 7. Power supply; 8. Following limit switch; 9. Parts placement platform; 10. Drive motor; 11. Position marker; 12. Work platform; 13. Emergency stop button; 14. Reset button; 15. Home position marker; 16. Limit marker; 17. Deceleration marker; 18. Manual / automatic switching knob; 19. Movement button; 20. Grating sensor; 21. Safety mat; 22. Track detection sensor; 23. Alarm; 24. Emergency stop limit switch; 25. Battery holder; 26. External lifting device. Detailed Implementation

[0031] The accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent. To better illustrate this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. The positional relationships described in the drawings are for illustrative purposes only and should not be construed as limiting this patent.

[0032] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," "right," "long," and "short" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0033] The technical solution of this utility model will be further described in detail below through specific embodiments and with reference to the accompanying drawings:

[0034] Example 1

[0035] like Figure 1-3 As shown, a manned following device includes: a track 1, a trolley 2, moving wheels 3, drive wheels 4 and a landmark detection sensor 5 respectively installed at the bottom of the trolley 2, a controller 6, a power supply 7, a following limit switch 8 and a parts placement platform 9 respectively installed on the trolley 2, a drive motor 10 connected to the drive wheels 4, and several position landmarks 11 set next to the track 1. The trolley 2 is provided with a work platform 12 for carrying people. The landmark detection sensor 5 is used to detect the position landmarks 11. The landmark detection sensor 5, the following limit switch 8 and the drive motor 10 are all electrically connected to the controller 6. The drive motor 10 and the controller 6 are all electrically connected to the power supply 7.

[0036] The movable wheel 3 is a track wheel 1 that works in conjunction with the track 1. The trolley 2 is mounted on the track 1 via the movable wheel 3 and can slide along the track 1. The controller 6 receives signals from the following limit switch 8 and the landmark detection sensor 5, and issues control commands to the drive motor 10 or other working devices according to the set program. The following limit switch 8 is located on the top of the trolley 2 and is used to contact the external lifting device 26, thereby triggering the following limit switch 8 using the external lifting device 26. The landmark sensor is used to detect the position of the landmark 11, thereby providing travel limit information for the movement of the trolley 2. The landmark detection sensor 5 and the following limit switch 11 are used to detect the position of the landmark 11, thereby providing travel limit information for the movement of the trolley 2. The power supply for switch 8, drive motor 10, and controller 6 all comes from power supply unit 7, which can be a regular battery or an external power source. Parts placement platform 9 is used to place parts so that they can move with the trolley 2. Depending on the actual operation, parts can be placed directly on the parts placement platform 9 to reduce the number of times operators need to pick up parts. Fasteners required for installing parts, such as screws or clips, can also be placed on it. The trolley 2 is also equipped with a work platform 12, which is used to carry operators so that they can stand on the work platform 12 and move with the vehicle body for easy parts installation.

[0037] Specifically, in the production line, the external lifting device 26 moves synchronously with the vehicle body, that is, it moves synchronously with the vehicle body. When the lifting device moves to the position of the trolley 2, it triggers the following limit switch 8. After receiving the signal, the controller 6 issues a command to drive the drive motor 10 to drive the drive wheel 4, thereby causing the trolley 2 to move synchronously. When the trolley 2 moves to the set position landmark 11, the landmark detection sensor 5 detects the position landmark 11. After receiving the signal, the controller 6 controls the drive motor 10 to rotate in the reverse direction and disables the following limit switch 8, causing the trolley 2 to move back to reset. The trolley 2 reactivates after returning to the initial position or leaving the external lifting device 26, so that the trolley 2 can be successfully reset.

[0038] The beneficial effects of this embodiment are as follows: With the assistance of the trolley 2, the operator can place the required fasteners on the trolley 2 in advance and simultaneously pick up and place all the required parts on the trolley 2 at once, avoiding the need to go back and forth to pick up fasteners or parts during the installation process, avoiding high-intensity assembly work for the operator, reducing the workload of the operator, and at the same time, when installing parts, the operator can move together with the trolley 2 and the vehicle body, making the installation state more stable, without having to walk while installing, further reducing the workload, while also effectively improving the installation efficiency, ensuring the work rhythm, avoiding incorrect installation or omissions, and ensuring the quality of work.

[0039] Example 2

[0040] This embodiment further defines the features of Embodiment 1, and its difference from Embodiment 1 lies in:

[0041] like Figure 4 As shown, it also includes a control box mounted on the trolley 2. The control box is equipped with an emergency stop button 13, a movement button 19, and a reset button 14, all of which are electrically connected to the controller 6. Figure 1-3 As shown, the position landmark 11 includes a home landmark 15 and a limit landmark 16 respectively set at both ends of the travel distance of the trolley 2, and a deceleration landmark 17 set between the home landmark 15 and the limit landmark 16. The distance between the deceleration landmark 17 and the home landmark 15 is less than the distance between the deceleration landmark 17 and the limit landmark 16. Figure 4 As shown, the control box is also equipped with a manual / automatic switching knob 18 and a movement button 19, both of which are electrically connected to the controller 6.

[0042] The control box is electrically connected to the controller 6 and is equipped with an emergency stop button 13, a movement button 19, and a reset button 14 to improve the installation and operability of the trolley 2, making it more convenient to use. The home position marker 15 is set at the starting position of the trolley 2, and the limit marker 16 is set at the ending position to prevent the trolley 2 from moving to the next workstation. The deceleration marker 17 is located between the home position marker 15 and the limit marker 16, and is closer to the home position marker 15. It is used to trigger the deceleration movement of the trolley 2. When the trolley 2 resets, the distance between the limit marker 16 and the deceleration marker 17 moves at a relatively fast speed to improve movement efficiency. After the marker detection sensor 5 detects the deceleration marker 17, the trolley 2 continues to move at a relatively slow speed to avoid collisions with the rear lifting device and ensure safety. The manual / automatic switching knob and the movement button 19 are provided to further facilitate the operation of the control cart 2. The manual / automatic switching knob can be used to switch the cart 2 to move automatically or manually, and the movement button 19 is used to manually control the cart 2 to move forward and backward. There are two movement buttons 19, one for forward movement and the other for backward movement.

[0043] The remaining features and working principles of this embodiment are the same as those of Embodiment 1.

[0044] Example 3

[0045] Based on Example 1 or Example 2, Example 1 or Example 2 are further defined, with the following differences:

[0046] like Figure 1-4As shown, the system also includes grating sensors 20 respectively installed on the front and rear sides of the bottom of the trolley 2, and the grating sensors 20 are electrically connected to the controller 6. It also includes a safety mat 21 installed on the work platform 12, and the safety mat 21 is electrically connected to the controller 6. It also includes a track detection sensor 22 installed at the bottom of the trolley 2, and the track detection sensor 22 is electrically connected to the controller 6. It also includes an alarm 23 installed on the trolley 2, and the alarm 23 is electrically connected to the controller 6. It also includes an emergency stop limit switch 24 installed on the top of the trolley 2, the trigger end of which is at the same height as the following limit switch 8 and located in front of the following limit switch 8. There are two following limit switches 8. Finally, it includes a battery gun holder 25 installed on the trolley 2, located on one side of the parts placement platform 9.

[0047] A grating sensor 20 is installed to detect the presence of foreign objects within the travel distance of the trolley 2. Upon detection of an object, the trolley 2 stops moving, ensuring operational safety. Grating sensors 20 are also installed on both the front and rear sides of the trolley 2's bottom. A safety mat 21, a common industrial device, contains a pressure sensor to detect whether a worker is standing on it. The safety mat 21 further enhances operational safety. The trolley 2 can only reverse and reset after the worker has stepped off, preventing the trolley 2 from moving too quickly and potentially causing the worker to fall. A track detection sensor 22 detects whether the trolley 2 has derailed, further improving its movement safety. An alarm 23 can be a three-color alarm 23 or an audible and visual alarm 23, etc. The emergency stop limit switch 24 is connected to the signal of the external lifting device 26 or the vehicle body. When the trolley 2 stops moving due to a situation, the external lifting device 26 continues to move forward, which will trigger the emergency stop limit switch 24, thereby stopping the external lifting device 26 and the vehicle body together, thus stopping the production line and ensuring the safety of the workers.

[0048] The remaining working principles and processes of this embodiment are the same as those of Embodiment 1 or Embodiment 2.

[0049] In the specific implementation of the above embodiments, the technical features can be combined in any non-contradictory way. For the sake of brevity, not all possible combinations of the above technical features are described. However, as long as the combination of these technical features is not contradictory, it should be considered to be within the scope of this specification.

[0050] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A manned companion device, characterized by, include: The system includes a track (1), a trolley (2), a moving wheel (3), a drive wheel (4), and a landmark detection sensor (5) installed at the bottom of the trolley (2), a controller (6), a power supply (7), a following limit switch (8), and a parts placement platform (9) installed on the trolley (2), a drive motor (10) connected to the drive wheel (4), and several location landmarks (11) set beside the track (1). The trolley (2) is equipped with a work platform (12) for carrying people. The landmark detection sensor (5) is used to detect the location landmarks (11). The landmark detection sensor (5), the following limit switch (8), and the drive motor (10) are all electrically connected to the controller (6). The drive motor (10) and the controller (6) are all electrically connected to the power supply (7).

2. The manned portable device according to claim 1, characterized in that: It also includes a control box installed on the trolley (2), which is equipped with an emergency stop button (13) and a reset button (14), both of which are electrically connected to the controller (6).

3. The manned portable device according to claim 1, wherein: The location landmark (11) includes an in-situ landmark (15) and a limiting landmark (16) respectively set at both ends of the travel of the trolley (2), and a deceleration landmark (17) set between the in-situ landmark (15) and the limiting landmark (16). The distance between the deceleration landmark (17) and the in-situ landmark (15) is less than the distance between the deceleration landmark (17) and the limiting landmark (16).

4. The manned portable device according to claim 2, wherein: The control box is also equipped with a manual / automatic switching knob (18) and a movement button (19), both of which are electrically connected to the controller (6).

5. The manned portable device according to claim 1, characterized in that: It also includes grating sensors (20) respectively installed on the front and rear sides of the bottom of the trolley (2), and the grating sensors (20) are electrically connected to the controller (6).

6. The manned portable device according to claim 1, wherein: It also includes a safety mat (21) installed on the work station (12), the safety mat (21) being electrically connected to the controller (6).

7. The manned portable device according to claim 1, wherein: It also includes a track detection sensor (22) installed at the bottom of the trolley (2), which is electrically connected to the controller (6).

8. The manned portable device according to claim 1, wherein: It also includes an alarm (23) installed on the trolley (2), which is electrically connected to the controller (6).

9. The manned portable device according to claim 1, wherein: It also includes an emergency stop limit switch (24) set on the top of the trolley (2). The trigger end of the emergency stop limit switch (24) is set at the same height as the following limit switch (8) and is located in front of the following limit switch (8). There are two following limit switches (8).

10. The manned portable device according to claim 1, characterized in that: It also includes a battery gun holder (25) mounted on the trolley (2), the battery gun holder (25) being located on one side of the parts placement table (9).

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