Automatic cart positioning device capable of switching between high speed and low speed

Abstract

The utility model provides a cart automatic positioning device capable of switching between high speed and low speed, which relates to the technical field of carts, and comprises a weighbridge, a cart and a bucket wheel machine, the surface of the weighbridge is provided with a pressure sensor and a placement groove, the placement groove is internally provided with a hydraulic rod, the top end of the hydraulic rod is provided with a stop block, and the surface of the weighbridge is provided with a support rod. A ground weighbridge, pressure sensors, a stop block and an indicator light are adopted, when a cart slows down and backs up to enter the ground weighbridge, the pressure sensors embedded in the surface of the ground weighbridge in a linear array start to work, when the last wheel is detected to be rolled, a parking triggering signal is immediately sent to a cart control system, personnel control the cart to stop, and if the cart stops, the stop block stops working. When the pressure sensor detects that the last wheel is driven away and the last but one wheel is not on the pressure sensor, it is judged that parking positioning is accurate, a signal is transmitted to the prompting lamp to enable the prompting lamp to turn from red to green, a driver is informed of parking in place, and material loading and unloading difficulty caused by inaccurate parking positioning is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cart technical field especially relates to a high, low speed switching's cart automatic positioning device. BACKGROUND

[0002] According to the small coal transport cart of Chinese patent number CN212500067U, including the cart chassis, the end of cart chassis is rotatably connected with the bottom plate, the front end of bottom plate is fixedly connected with the front plate, the outer wall of front plate upper end is fixedly connected with the motor, the rotating shaft of motor is fixedly connected with the first rotating shaft, the first rotating shaft is connected on the second rotating shaft through the rubber band, the second rotating shaft is fixedly connected on the front end of threaded rod, the threaded rod is penetrated through the front plate and rear plate at both ends respectively near the side plate, the threaded rod is bolted with the nut, the outside of nut is fixedly connected on the end of X type folding rod middle rotating shaft, in the utility model, the roof is opened and closed through telescopic folding, when the roof is opened, it is convenient to fill coal into the carriage, when the roof is closed, it avoids the dust during coal transportation, when the cart door is automatically unlocked to unload goods, it is more safe, the use effect is very good, and it is worth promoting.

[0003] The above-mentioned file and the prior art have the following problems: the existing high-speed and low-speed switching cart is difficult to automatically position when receiving coal due to its large size, which may cause inaccurate loading and unloading of materials and reduce the safety and accuracy of parking. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a high-speed and low-speed switching cart automatic positioning device.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a high-speed and low-speed switching cart automatic positioning device, including a ground, a cart and a bucket wheel machine, the surface of the ground is provided with a pressure sensor, the surface of the ground is provided with a placing groove, the inside of the placing groove is provided with a hydraulic rod, the top end of the hydraulic rod is provided with a blocking piece, the surface of the ground is provided with a supporting rod, and the top end of the supporting rod is provided with a prompt lamp.

[0006] Preferably, the cart is arranged on the surface of the ground, and the shape and position of the cart are matched with the ground.

[0007] Preferably, the bucket wheel machine is arranged on one side of the ground, and the position of the bucket wheel machine is matched with the position of the cart.

[0008] Preferably, the surface of the cart is provided with a radar detector, and the surface of the cart is provided with an alarm lamp.

[0009] Preferably, the pressure sensor is embedded on the surface of the landfall, and the pressure sensor is arranged in a linear array on the surface of the landfall.

[0010] Preferably, the shape of the blocking block is arc-shaped, and the shape and position of the blocking block are matched with the placement groove.

[0011] Preferably, the blocking block is arranged on one side of the pressure sensor, and the shape of the blocking block is matched with the cart.

[0012] Advantages

[0013] In the utility model, when the cart enters the landfall at a reduced speed, the linearly arrayed embedded pressure sensor on the surface of the landfall starts to work, when the last wheel is detected to be rolled, a trigger parking signal is immediately sent to the cart control system, the personnel controls the cart to stop, if the cart stops, the pressure sensor detects that the last wheel drives away and the second last wheel is not on the pressure sensor, it is judged that the parking positioning is accurate, the signal is transmitted to the prompt lamp to change from red to green, the driver is informed that the parking is in place, and the difficulty of material loading and unloading caused by inaccurate parking positioning is avoided, when the cart retreats back due to inertia, the blocking block is blocked to prevent the cart from rushing out of the parking area due to inertia, and the safety and accuracy of the cart parking and material loading and unloading are improved in all directions. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the axial side view of the utility model;

[0015] Figure 2 It is the structure view of the landfall of the utility model;

[0016] Figure 3 It is the perspective view of the landfall of the utility model;

[0017] Figure 4 It is the utility model Figure 3 A is the enlarged view;

[0018] Figure 5 It is the utility model Figure 3 B is the enlarged view.

[0019] Legend:

[0020] 1, landfall; 2, cart; 3, bucket wheel machine; 4, pressure sensor; 5, placement groove; 6, hydraulic rod; 7, blocking block; 8, support rod; 9, prompt lamp; 10, radar detector; 11, alarm lamp. DETAILED DESCRIPTION

[0021] In order to make the technical means, creation characteristics, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] The specific embodiments of the utility model are described below in combination with the drawings. Embodiment one

[0024] Referring to Figures 1-5 A high-speed and low-speed switching large vehicle automatic positioning device, comprising a ground 1, a large vehicle 2 and a bucket wheel machine 3, the ground 1 is used as the base bearing platform of the whole device, provides a stable running and parking area for the large vehicle 2, the surface of the ground 1 is provided with a pressure sensor 4, a placing groove 5 and other key components, provides support for the positioning and loading and unloading operations of the large vehicle 2, the large vehicle 2 is arranged on the surface of the ground 1, and the shape and position of the large vehicle 2 are matched with the ground 1, the surface of the large vehicle 2 is provided with a radar detector 10, and the surface of the large vehicle 2 is provided with an alarm lamp 11, the large vehicle 2 is a carrier for transporting materials, and the shape and position of the large vehicle 2 are matched with the ground 1, so that the large vehicle 2 can normally run and stop on the ground 1, the radar detector 10 on the surface of the large vehicle 2 can monitor the surrounding environment of the vehicle in real time, when a person within a certain distance behind the vehicle is detected, the alarm lamp 11 cooperates with the radar detector 10 to issue an alarm when an abnormal situation is detected, reminds the relevant personnel to keep away from the working area, and ensures the safety of the reversing and parking process, the bucket wheel machine 3 is arranged on one side of the ground 1, and the position of the bucket wheel machine 3 is matched with the position of the large vehicle 2, the main function of the bucket wheel machine 3 is to efficiently carry out material loading and unloading operations through a conveying belt after the large vehicle 2 is accurately parked, and realizes the transfer of materials.

[0025] The surface of the land bump 1 is provided with a pressure sensor 4, the pressure sensor 4 is embedded in the surface of the land bump 1, and the pressure sensor 4 is arranged in a linear array on the surface of the land bump 1. The position information of the wheels of the cart 2 can be accurately detected through the pressure sensor 4. When the cart 2 enters the land bump 1 at a reduced speed, the pressure sensor 4 starts to work. When the last wheel is detected to be rolled, a trigger stop signal is immediately sent to the cart 2 control system. After the cart 2 stops, whether the parking positioning is accurate is determined by detecting whether the last wheel has left and whether the second last wheel is on the pressure sensor 4, and the signal is transmitted to the indicator light 9. The surface of the land bump 1 is provided with a placing groove 5 for accommodating the hydraulic rod 6 and the blocking block 7. When the blocking block 7 does not work, it provides a storage space so as not to affect the normal driving of the cart 2. The inside of the placing groove 5 is provided with the hydraulic rod 6. The hydraulic rod 6 controls the lifting of the blocking block 7 through the extension and retraction movement. The top end of the hydraulic rod 6 is provided with the blocking block 7. The shape of the blocking block 7 is arc-shaped, and the shape and position of the blocking block 7 are matched with the placing groove 5. When the cart 2 retreats due to inertia, the blocking block 7 can block the cart 2 to prevent it from rushing out of the parking area, thereby playing a safety protection role and ensuring the safety of the cart 2 during parking and material loading and unloading. The blocking block 7 is arranged on one side of the pressure sensor 4, and the shape of the blocking block 7 is matched with the cart 2. There is a certain distance between the blocking block 7 and the pressure sensor 4, which meets the parking area of the last wheel. The surface of the land bump 1 is provided with a supporting rod 8 for supporting the indicator light 9 so that it is at an appropriate height and is convenient for the driver to clearly observe. The top end of the supporting rod 8 is provided with the indicator light 9. The indicator light 9 receives the signal transmitted by the pressure sensor 4. When the cart 2 is not accurately parked at the specified position, the indicator light 9 displays red, prompting the driver that the parking position is not accurate. When the pressure sensor 4 determines that the parking positioning is accurate, the indicator light 9 turns green, informing the driver that the parking is in place, thereby avoiding the difficulty of material loading and unloading due to inaccurate parking positioning.

[0026] When the car 2 needs to carry out material loading and unloading operation, the driver drives the car 2 to reverse at a low speed to the ground 1, at this time, the linear array embedded pressure sensor 4 on the surface of the ground 1 starts to work and monitors the position of the wheels of the car 2 in real time, when the pressure sensor 4 detects the last wheel rolling, it sends a trigger parking signal to the control system of the car 2, the driver controls the car 2 to stop according to the signal, after the car 2 stops, the pressure sensor 4 continues to monitor, if it detects that the last wheel drives away and the second last wheel is also not on the pressure sensor 4, it is determined that the parking positioning is accurate, and the signal is transmitted to the indicator light 9, the indicator light 9 changes from red to green, informing the driver that the parking is in place, during the reversing process, the radar detector 10 on the surface of the car 2 monitors the surrounding environment in real time, once it detects that there is a person within a certain distance behind the car, it will cooperate with the alarm light 11 to issue an alarm to remind the relevant personnel to stay away, if the car 2 drives backward due to inertia, the arc-shaped blocking block 7 will play a blocking role to prevent the car 2 from running out of the parking area, after the car 2 is accurately parked, the bucket wheel machine 3 on one side of the ground 1 efficiently carries out material loading and unloading operation through the conveying belt to realize the transfer of materials. Specific embodiment two:

[0028] A high and low speed switching car automatic positioning device, based on the basic structure in specific embodiment one, further discloses the following content, when the car 2 does not reverse but enters the ground 1 in the normal driving direction, first, the blocking block 7 originally used for reversing is stored in the placing groove 5 through the hydraulic rod 6 to avoid affecting the normal driving of the car 2, during the driving of the car 2, the pressure sensor 4 on the ground 1 plays a key role, it detects the passing of the wheels of the car 2 in turn, when the first wheel passes, then the second wheel drives away, when the third wheel passes, the pressure sensor 4 will send a trigger parking signal to the control system of the car 2, at this time, the personnel control the car 2 to stop, when the pressure sensor 4 is in a specific position between the third wheel and the last wheel, this position state meets the preset condition of the parking area, so the pressure sensor 4 transmits the signal to the indicator light 9, the indicator light 9 changes from red to green, informing the driver that the parking is in place, realizing the automatic positioning parking function of the car 2 when it enters the ground 1 in the normal driving direction, greatly improving the flexibility of the positioning of the car 2 and the applicability of the device, no matter in which driving direction the car 2 enters the ground 1, it can be accurately positioned and parked, effectively avoiding the problems such as difficult material loading and unloading caused by inaccurate parking positioning, improving the efficiency and safety of the whole material loading and unloading operation.

[0029] In summary:

[0030] 1. The system employs a ground platform 1, pressure sensors 4, blocking blocks 7, and indicator lights 9. When the trolley 2 decelerates and reverses into the ground platform 1, the pressure sensors 4, which are embedded in a linear array on the surface of the ground platform 1, begin to operate. When the last wheel is detected running over the ground platform, a trigger stop signal is immediately sent to the trolley 2 control system, and the operator controls the trolley 2 to stop. If, after the trolley 2 stops, the pressure sensors 4 detect that the last wheel has moved away and the second-to-last wheel is not on the pressure sensor 4, the parking position is determined to be accurate. The signal is then sent to the indicator lights 9, causing them to change from red to green, informing the driver that the parking position is correct. This avoids difficulties in loading and unloading materials due to inaccurate parking positioning. When the trolley 2 reverses due to inertia, the blocking blocks 7 prevent the trolley 2 from rushing out of the parking area due to inertia. This comprehensively improves the safety and accuracy of parking the trolley 2 and loading and unloading materials.

[0031] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A high-low speed switching automatic positioning device for a large vehicle, comprising a ground (1), a large vehicle (2) and a bucket wheel machine (3), characterized in that: The surface of the land (1) is provided with a pressure sensor (4), the surface of the land (1) is provided with a placing groove (5), the inside of the placing groove (5) is provided with a hydraulic rod (6), the top end of the hydraulic rod (6) is provided with a blocking block (7), the surface of the land (1) is provided with a support rod (8), and the top end of the support rod (8) is provided with a prompt lamp (9).

2. The high-low speed switching trolley automatic positioning device according to claim 1, characterized in that: The cart (2) is arranged on the surface of the land (1), and the shape and position of the cart (2) are matched with the land (1).

3. The high-low speed switching trolley automatic positioning device according to claim 1, characterized in that: The bucket wheel machine (3) is arranged on one side of the land (1), and the position of the bucket wheel machine (3) is matched with the position of the cart (2).

4. The high-low speed switching trolley automatic positioning device according to claim 1, characterized in that: The surface of the cart (2) is provided with a radar detector (10), and the surface of the cart (2) is provided with an alarm lamp (11).

5. The high-low speed switching trolley automatic positioning device according to claim 1, characterized in that: The pressure sensor (4) is inlaid on the surface of the land (1), and the pressure sensor (4) is arranged in a linear array on the surface of the land (1).

6. The high-low speed switching trolley automatic positioning device according to claim 1, characterized in that: The shape of the blocking block (7) is arc-shaped, and the shape and position of the blocking block (7) are matched with the placing groove (5).

7. The high-low speed switching trolley automatic positioning device according to claim 1, characterized in that: The blocking block (7) is arranged on one side of the pressure sensor (4), and the shape of the blocking block (7) is matched with the cart (2).

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