A mobile distance acquisition device

Abstract

The utility model provides a kind of mobile distance acquisition device, belong to distance acquisition technical field;Mobile distance acquisition device is installed at the bottom of vehicle body, and mobile distance acquisition device includes: mounting bracket, connecting frame, first pivot, rolling wheel, second pivot, acquisition shell, third pivot, fourth pivot, acquisition disc and slot type photoelectric coupler;By the acquisition disc is encased in the outside of fourth pivot, and make slot type photoelectric coupler be around and be located in the outside of acquisition disc, to realize fourth pivot drive acquisition disc rotates in slot type photoelectric coupler, to realize so that slot type photoelectric coupler carries out the number of acquisition slot on acquisition disc, to calculate the angle of acquisition disc rotation (or the number of turns of acquisition disc rotation), and the distance of vehicle body movement is calculated, to realize the actual moving distance of vehicle body according to the route of vehicle body movement is collected, not just linear moving distance is collected, to improve the use experience of product.

Description

Technical Field

[0001] This utility model belongs to the field of distance acquisition technology, and specifically relates to a mobile distance acquisition device. Background Technology

[0002] In related technologies, when a vehicle moves on the ground, infrared sensors are typically used to measure the distance the vehicle has moved.

[0003] However, using infrared sensors to measure the vehicle's movement distance can only measure the straight-line distance the vehicle moves, and cannot measure the actual movement route of the vehicle, thus making it impossible to measure the actual distance the vehicle moves. Utility Model Content

[0004] To address the problem in existing technologies where infrared sensors can only measure the straight-line distance of vehicle movement and cannot measure the actual distance traveled along the vehicle's path, this invention provides a movement distance acquisition device. This device uses a rolling wheel on the ground to rotate a fourth shaft within a slotted optical coupler. The optical coupler counts the slots on the acquisition plate to calculate the angle of rotation (or the number of rotations) and the distance traveled by the vehicle. This allows for the acquisition of the actual distance traveled based on the vehicle's path, rather than just the straight-line distance, thus improving the user experience. The specific technical solution is as follows:

[0005] A mobile distance acquisition device is installed on the bottom of a vehicle body. The device includes: a mounting frame, a connecting frame, a first rotating shaft, a rolling wheel, a second rotating shaft, a acquisition housing, a third rotating shaft, a fourth rotating shaft, an acquisition disk, and a slotted optocoupler. The mounting frame has an acquisition slot and is installed on the bottom of the vehicle body. The connecting frame is embedded in the acquisition slot, and one end of the connecting frame is rotatably connected to the mounting frame. The first rotating shaft passes through the other end of the connecting frame and is rotatably connected to the connecting frame. The rolling wheel is fitted onto the outside of the first rotating shaft and is located on one side of the connecting frame. The second rotating shaft passes through the middle of the connecting frame and is rotatably connected to the connecting frame. Next, the second rotating shaft is located above the first rotating shaft and is connected to the first rotating shaft; the acquisition shell is a hollow cavity, and the acquisition shell is installed on the side wall of the connecting frame, with at least part of the second rotating shaft embedded in the acquisition shell; the third rotating shaft is located inside the acquisition shell, and is rotatably connected to the acquisition shell, and is also connected to the second rotating shaft; the fourth rotating shaft is located inside the acquisition shell, and is rotatably connected to the acquisition shell, and is also connected to the third rotating shaft; the acquisition disk has multiple acquisition slots arranged circumferentially, the acquisition disk is located inside the acquisition shell, and the acquisition disk is fitted on the outside of the fourth rotating shaft; the slotted optical coupler is installed inside the acquisition shell, and is wound around the outside of the acquisition disk.

[0006] In addition, the mobile distance acquisition device in the above-mentioned technical solution provided by this utility model may also have the following additional technical features:

[0007] In the above technical solution, the moving distance acquisition device further includes: a first sprocket, a second sprocket, and a chain; the first sprocket is fitted on the outside of the first rotating shaft and is located on the other side of the connecting frame; the second sprocket is fitted on the outside of the second rotating shaft and is located on the other side of the connecting frame; the chain is fitted on the outside of both the first sprocket and the second sprocket.

[0008] In the above technical solution, the moving distance acquisition device further includes: a first gear and a second gear; the first gear is located inside the acquisition housing and is mounted on the outside of the third rotating shaft; the second gear is located inside the acquisition housing and is mounted on the outside of the fourth rotating shaft, and the second gear meshes with the first gear.

[0009] In the above technical solution, the moving distance acquisition device further includes: a connecting hole and a connector; the connecting hole is hexagonal and is located at the end of the third rotating shaft; the connector is hexagonal and is connected to the end of the second rotating shaft, and the connector is embedded in the connecting hole.

[0010] In the above technical solution, the moving distance acquisition device also includes: an adjustment frame and a spring; the adjustment frame is triangular and is installed on the side wall of the connecting frame; one end of the spring is connected to the adjustment frame and the other end of the spring is connected to the mounting frame.

[0011] In the above technical solution, the moving distance acquisition device further includes: acquisition plates; multiple acquisition plates are circumferentially connected to the rolling wheel; wherein the multiple acquisition plates are evenly distributed along the center line of the rolling wheel.

[0012] In the above technical solution, the moving distance acquisition device further includes: a first clearance groove and a second clearance groove; the first clearance groove is elongated, and multiple first clearance grooves are arranged inside the rolling wheel, and multiple first clearance grooves are arranged around the outside of the first rotating shaft; the second clearance groove is trapezoidal, and multiple second clearance grooves are arranged inside the rolling wheel, and multiple second clearance grooves are arranged around the outside of the multiple first clearance grooves.

[0013] The mobile distance acquisition device of this utility model has the following advantages compared with the prior art:

[0014] 1. By making the rollers roll on the ground, the first rotating shaft is connected to the second rotating shaft, the second rotating shaft is connected to the third rotating shaft, and the third rotating shaft is connected to the fourth rotating shaft. This allows the rollers to roll along with the movement of the vehicle body, enabling the first, second, and third rotating shafts to drive the fourth rotating shaft to rotate. By fitting the data collection disk onto the outside of the fourth rotating shaft and wrapping the slotted optical coupler around the outside of the data collection disk, the fourth rotating shaft drives the data collection disk to rotate within the slotted optical coupler. This allows the slotted optical coupler to count the data collection slots on the data collection disk to calculate the angle of rotation of the data collection disk (or the number of rotations of the data collection disk) and the distance the vehicle body has moved. This allows the system to collect the actual distance the vehicle body has moved based on its route, rather than just the straight-line distance, thus improving the user experience.

[0015] 2. By simultaneously mounting the chain on the outside of both the first and second sprockets, when the rolling wheel drives the first shaft to rotate, the first shaft, through the first sprocket, the second sprocket, and the chain, drives the second shaft to rotate. This connects the first and second shafts together.

[0016] 3. By placing the second gear inside the collection housing, mounting the second gear on the outside of the fourth rotating shaft, and meshing the second gear with the first gear, the first gear will mesh with the second gear and rotate when the third rotating shaft drives the first gear to rotate, thereby driving the fourth rotating shaft to rotate.

[0017] 4. By setting a hexagonal connecting hole at the end of the third rotating shaft, connecting a hexagonal connector to the end of the second rotating shaft, and embedding the connector into the connecting hole, the second rotating shaft is engaged with the third rotating shaft through the connector, thereby enabling the second rotating shaft to drive the third rotating shaft to rotate.

[0018] 5. By installing a triangular adjusting bracket on the side wall of the connecting bracket, connecting one end of a spring to the adjusting bracket and the other end to the mounting bracket, the mounting bracket supports the connecting bracket via the spring. This ensures the rollers maintain contact with the ground. Simultaneously, when the rollers come into contact with protruding stones, the connecting bracket can rotate relative to the mounting bracket to prevent rigid contact between the rollers and the stones, thus avoiding damage and improving product quality. When the connecting bracket rotates relative to the mounting bracket, the spring is compressed. When the rollers are not in contact with stones, the spring returns to its original position, ensuring the rollers remain in contact with the ground, thus enhancing the user experience.

[0019] 6. By connecting multiple collection plates to the circumference of the rolling wheel and distributing the collection plates evenly along the center line of the rolling wheel, the rolling wheel and the collection plates rotate synchronously. This allows the collection plates to embed into the soil when the vehicle moves on the soil, thus ensuring the rotation of the rolling wheel and improving the effectiveness of distance collection.

[0020] 7. By setting multiple elongated first clearance grooves inside the rolling wheel, the weight of the rolling wheel is reduced, thereby reducing the difficulty of rotating the rolling wheel; by setting multiple trapezoidal second clearance grooves inside the rolling wheel, the weight of the rolling wheel is further reduced, thereby reducing the difficulty of rotating the rolling wheel and improving the user experience of the product. Attached Figure Description

[0021] Figure 1 This is one of the perspective views of a mobile distance acquisition device according to this utility model;

[0022] Figure 2 This is a second perspective view of a mobile distance acquisition device according to the present invention;

[0023] Figure 3 This is the third perspective view of a mobile distance acquisition device according to this utility model;

[0024] Figure 4 This is the fourth perspective view of a mobile distance acquisition device according to the present invention;

[0025] in, Figures 1 to 4 The correspondence between the reference numerals and component names in the attached drawings is as follows:

[0026] 10 Mounting bracket, 11 Connecting bracket, 12 First rotating shaft, 13 Rolling wheel, 14 Second rotating shaft, 15 Acquisition housing, 16 Third rotating shaft, 17 Fourth rotating shaft, 18 Acquisition disk, 19 Slotted optocoupler, 20 First sprocket, 21 Second sprocket, 22 Chain, 23 First gear, 24 Second gear, 25 Connecting hole, 27 Adjusting bracket, 28 Spring, 29 Acquisition plate, 30 First clearance groove, 31 Second clearance groove, 32 Acquisition groove. Detailed Implementation

[0027] The following are specific implementation cases and appendices. Figures 1 to 4 The present invention will be further described below, but the present invention is not limited to these embodiments.

[0028] A mobile distance acquisition device, such as Figures 1 to 4 As shown, the mobile distance acquisition device is installed at the bottom of the vehicle body. The mobile distance acquisition device includes: a mounting frame 10, a connecting frame 11, a first rotating shaft 12, a rolling wheel 13, a second rotating shaft 14, a acquisition housing 15, a third rotating shaft 16, a fourth rotating shaft 17, an acquisition disk 18, and a slotted optical coupler 19. The mounting frame 10 has an installation slot and is installed at the bottom of the vehicle body. The connecting frame 11 is embedded in the installation slot, and one end of the connecting frame 11 is rotatably connected to the mounting frame 10. The first rotating shaft 12 passes through the other end of the connecting frame 11 and is rotatably connected to the connecting frame 11. The rolling wheel 13 is fitted onto the outside of the first rotating shaft 12 and is located on one side of the connecting frame 11. The second rotating shaft 14 passes through the middle of the connecting frame 11 and is rotatably connected to the connecting frame 11. The second rotating shaft 14 is located above the first rotating shaft 12 and is connected to the first rotating shaft 12. The collection shell 15 is a hollow cavity, which is installed on the side wall of the connecting frame 11, and at least part of the second rotating shaft 14 is embedded in the collection shell 15. The third rotating shaft 16 is located inside the collection shell 15, and is rotatably connected to the collection shell 15 and connected to the second rotating shaft 14. The fourth rotating shaft 17 is located inside the collection shell 15, and is rotatably connected to the collection shell 15 and connected to the third rotating shaft 16. The collection disk 18 is circumferentially provided with multiple collection slots 33. The collection disk 18 is located inside the collection shell 15 and is fitted on the outside of the fourth rotating shaft 17. The slotted optical coupler 19 is installed inside the collection shell 15 and is wound around the outside of the collection disk 18.

[0029] By embedding the connecting frame 11 into the mounting slot of the mounting bracket 10 and rotatably connecting one end of the connecting frame 11 to the mounting bracket 10, the mounting bracket 10 supports the connecting frame 11. By rotatably connecting the first rotating shaft 12 to the connecting frame 11 and fitting the roller 13 onto the outside of the first rotating shaft 12, the connecting frame 11 supports the roller 13 through the first rotating shaft 12, thereby enabling the roller 13 to rotate synchronously with the first rotating shaft 12. By rotatably connecting the second rotating shaft 14 to the connecting frame 11 and connecting the second rotating shaft 14 to the first rotating shaft 12, the connecting frame 11 can support the second rotating shaft 14, thereby enabling the first rotating shaft 12 to drive the second rotating shaft 14 to rotate when the first rotating shaft 12 rotates. By mounting the collection shell 15 on the side wall of the connecting frame 11 and embedding at least a portion of the second rotating shaft 14 within the collection shell 15, the connecting frame 11 supports the collection shell 15, thereby enabling a portion of the second rotating shaft 14 to rotate within the collection shell 15. By placing the third rotating shaft 16 within the collection shell 15, rotatably connecting the third rotating shaft 16 to the collection shell 15, and connecting the third rotating shaft 16 to the second rotating shaft 14, the collection shell 15 supports the third rotating shaft 16, thereby enabling the second rotating shaft 14 to drive the third rotating shaft 16 to rotate within the collection shell 15. By placing the fourth rotating shaft 17 within the collection shell 15, rotatably connecting the fourth rotating shaft 17 to the collection shell 15, and connecting the fourth rotating shaft 17 to the third rotating shaft 16, the collection shell 15 supports the fourth rotating shaft 17, thereby enabling the third rotating shaft 16 to drive the fourth rotating shaft 17 to rotate within the collection shell 15. By arranging multiple acquisition slots 33 around the acquisition disk 18 and fitting the acquisition disk 18 onto the outside of the fourth rotating shaft 17, the fourth rotating shaft 17 can drive the acquisition disk 18 to rotate within the acquisition housing 15. By installing a slotted optical coupler 19 inside the acquisition housing 15 and surrounding the acquisition disk 18, the acquisition disk 18 can rotate within the slotted optical coupler 19 when the fourth rotating shaft 17 drives the acquisition disk 18 to rotate. This allows the slotted optical coupler 19 to count the acquisition slots 33, thereby calculating the angle of rotation of the acquisition disk 18 (or the number of rotations of the acquisition disk 18) and thus calculating the distance the vehicle body moves.

[0030] When using the product, first install the mounting bracket 10 at the bottom of the vehicle body, and make the rollers 13 fit in contact with the ground (soil). When the vehicle body moves, the rollers 13 will roll on the ground, thereby causing the rollers 13 to drive the first rotating shaft 12 to rotate, which in turn causes the first rotating shaft 12 to drive the second rotating shaft 14 to rotate. When the second rotating shaft 14 rotates, it will drive the third rotating shaft 16 to rotate, which in turn causes the third rotating shaft 16 to drive the fourth rotating shaft 17 to rotate. When the fourth rotating shaft 17 rotates, it will drive the collection plate 18 to rotate, which will cause the collection plate 18 to rotate within the slotted optical coupler 19. This will cause the slotted optical coupler 19 to count the collection slot 33 and calculate the angle of rotation of the collection plate 18 (or the number of rotations of the collection plate 18) to calculate the distance the vehicle body has moved.

[0031] Using the above structure, by making the rolling wheel 13 roll on the ground, the first rotating shaft 12 is connected to the second rotating shaft 14, the second rotating shaft 14 is connected to the third rotating shaft 16, and the third rotating shaft 16 is connected to the fourth rotating shaft 17, so that the rolling wheel 13 can drive the fourth rotating shaft 17 to rotate through the first rotating shaft 12, the second rotating shaft 14, and the third rotating shaft 16. By fitting the collection disk 18 on the outside of the fourth rotating shaft 17 and having the slotted optical coupler 19 wrapped around the outside of the collection disk 18, the fourth rotating shaft 17 drives the collection disk 18 to rotate within the slotted optical coupler 19, thereby enabling the slotted optical coupler 19 to count the collection slots 33 on the collection disk 18, and then calculate the angle of rotation of the collection disk 18 (or the number of rotations of the collection disk 18), and calculate the distance moved by the vehicle body, so as to complete the collection of the distance moved by the vehicle body.

[0032] In embodiments of this utility model, such as Figures 1 to 4 As shown, the moving distance acquisition device also includes: a first sprocket 20, a second sprocket 21, and a chain 22; the first sprocket 20 is fitted on the outside of the first rotating shaft 12 and is located on the other side of the connecting frame 11; the second sprocket 21 is fitted on the outside of the second rotating shaft 14 and is located on the other side of the connecting frame 11; the chain 22 is fitted on the outside of both the first sprocket 20 and the second sprocket 21.

[0033] By mounting the first sprocket 20 on the outside of the first shaft 12 and the second sprocket 21 on the outside of the second shaft 14, the first shaft 12 and the first sprocket 20 rotate synchronously, thereby enabling the second shaft 14 and the second sprocket 21 to rotate synchronously. By mounting the chain 22 on the outside of both the first sprocket 20 and the second sprocket 21, when the roller 13 drives the first shaft 12 to rotate, the first shaft 12, through the first sprocket 20, the second sprocket 21, and the chain 22, drives the second shaft 14 to rotate. This connects the first shaft 12 and the second shaft 14 together.

[0034] In embodiments of this utility model, such as Figures 1 to 4 As shown, the moving distance acquisition device also includes: a first gear 23 and a second gear 24; the first gear 23 is located inside the acquisition housing 15 and is fitted on the outside of the third rotating shaft 16; the second gear 24 is located inside the acquisition housing 15 and is fitted on the outside of the fourth rotating shaft 17, and the second gear 24 meshes with the first gear 23.

[0035] By positioning the first gear 23 inside the collection housing 15 and mounting it on the outside of the third rotating shaft 16, the third rotating shaft 16 will drive the first gear 23 to rotate inside the collection housing 15 when it rotates. By positioning the second gear 24 inside the collection housing 15 and mounting it on the outside of the fourth rotating shaft 17, and making the second gear 24 mesh with the first gear 23, the first gear 23 will mesh with the second gear 24 to rotate when the third rotating shaft 16 drives the first gear 23 to rotate, thereby driving the fourth rotating shaft 17 to rotate.

[0036] In embodiments of this utility model, such as Figures 1 to 4 As shown, the moving distance acquisition device also includes: a connecting hole 25 and a connector; the connecting hole 25 is hexagonal and is located at the end of the third rotating shaft 16; the connector is hexagonal and is connected to the end of the second rotating shaft 14, and the connector is embedded in the connecting hole 25.

[0037] By setting the hexagonal connecting hole 25 at the end of the third rotating shaft 16, connecting the hexagonal connector to the end of the second rotating shaft 14, and embedding the connector into the connecting hole 25, the second rotating shaft 14 is engaged with the third rotating shaft 16 through the connector, thereby enabling the second rotating shaft 14 to drive the third rotating shaft 16 to rotate.

[0038] In embodiments of this utility model, such as Figures 1 to 4 As shown, the moving distance acquisition device also includes: an adjustment frame 27 and a spring 28; the adjustment frame 27 is triangular and is installed on the side wall of the connecting frame 11; one end of the spring 28 is connected to the adjustment frame 27 and the other end of the spring 28 is connected to the mounting frame 10.

[0039] By mounting a triangular adjustment bracket 27 on the side wall of the connecting bracket 11, connecting one end of a spring 28 to the adjustment bracket 27, and connecting the other end of the spring 28 to the mounting bracket 10, the mounting bracket 10 supports the connecting bracket 11 via the spring 28. This ensures that the rolling wheel 13 is in contact with the ground. Simultaneously, when the rolling wheel 13 comes into contact with a protruding stone on the ground, the connecting bracket 11 can rotate relative to the mounting bracket 10 to prevent rigid contact between the rolling wheel 13 and the stone, thus avoiding damage to the rolling wheel 13 and improving product quality. When the connecting bracket 11 rotates relative to the mounting bracket 10, the spring 28 is compressed. This ensures that when the rolling wheel 13 is not in contact with a stone, the spring 28 returns to its original position and ensures that the rolling wheel 13 remains in contact with the ground, improving the user experience.

[0040] In embodiments of this utility model, such as Figures 1 to 4 As shown, the moving distance acquisition device also includes: acquisition plate 29; multiple acquisition plates 29 are circumferentially connected to the rolling wheel 13; wherein, the multiple acquisition plates 29 are evenly distributed along the center line of the rolling wheel 13.

[0041] By connecting multiple collection plates 29 circumferentially to the rolling wheel 13 and distributing the multiple collection plates 29 evenly along the center line of the rolling wheel 13, the rolling wheel 13 and the multiple collection plates 29 rotate synchronously. This allows the collection plates 29 to embed into the soil when the vehicle moves on the soil, thereby ensuring the rotation of the rolling wheel 13 and improving the distance collection effect.

[0042] In embodiments of this utility model, such as Figures 1 to 4 As shown, the moving distance acquisition device further includes: a first clearance groove 30 and a second clearance groove 31; the first clearance groove 30 is elongated, and multiple first clearance grooves 30 are arranged inside the rolling wheel 13, and multiple first clearance grooves 30 are arranged around the outside of the first rotating shaft 12; the second clearance groove 31 is trapezoidal, and multiple second clearance grooves 31 are arranged inside the rolling wheel 13, and multiple second clearance grooves 31 are arranged around the outside of multiple first clearance grooves 30.

[0043] By setting multiple elongated first clearance grooves 30 inside the roller 13, the weight of the roller 13 is reduced, thereby reducing the difficulty of rotating the roller 13; by setting multiple trapezoidal second clearance grooves 31 inside the roller 13, the weight of the roller 13 is further reduced, thereby reducing the difficulty of rotating the roller 13 and improving the user experience of the product.

[0044] In the description of this utility model, the term "multiple" refers to two or more. Unless otherwise explicitly defined, the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The terms "connection," "installation," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0045] In the description of this utility model, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this utility model, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0046] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A motion distance acquisition device, wherein the motion distance acquisition device is installed at the bottom of a vehicle body, characterized in that, The movement distance acquisition device includes: Mounting bracket, which has a mounting groove, is installed on the bottom of the vehicle body; A connecting bracket, wherein the connecting bracket is embedded in the mounting slot, and one end of the connecting bracket is rotatably connected to the mounting bracket; A first rotating shaft passes through the other end of the connecting frame and is rotatably connected to the connecting frame; A rolling wheel is fitted onto the outside of the first rotating shaft and is located on one side of the connecting frame; The second rotating shaft passes through the middle of the connecting frame and is rotatably connected to the connecting frame. The second rotating shaft is located above the first rotating shaft and is connected to the first rotating shaft. The collection shell is a hollow cavity, and the collection shell is installed on the side wall of the connecting frame, with at least a portion of the second rotating shaft embedded in the collection shell; A third rotating shaft is located inside the collection shell, is rotatably connected to the collection shell, and is connected to the second rotating shaft; A fourth rotating shaft is located inside the acquisition housing, is rotatably connected to the acquisition housing, and is connected to the third rotating shaft. A collection plate, which has multiple collection slots arranged around its circumference, is located inside the collection shell and is fitted onto the outside of the fourth rotating shaft; A slotted optical coupler is installed inside the acquisition housing and is arranged around the outside of the acquisition disk.

2. The mobile distance acquisition device according to claim 1, characterized in that, The movement distance acquisition device also includes: The first sprocket is mounted on the outside of the first shaft, and the first sprocket is located on the other side of the connecting frame; The second sprocket is fitted onto the outside of the second shaft, and the second sprocket is located on the other side of the connecting frame; The chain is fitted onto the outside of both the first sprocket and the second sprocket.

3. The mobile distance acquisition device according to claim 1, characterized in that, The movement distance acquisition device also includes: The first gear is located inside the acquisition housing and is fitted onto the outside of the third rotating shaft; The second gear is located inside the collection housing and is fitted onto the outside of the fourth rotating shaft, and meshes with the first gear.

4. The mobile distance acquisition device according to claim 3, characterized in that, The movement distance acquisition device also includes: A connecting hole, which is hexagonal, is located at the end of the third rotating shaft; The connector is hexagonal and is connected to the end of the second rotating shaft, and is embedded in the connecting hole.

5. The mobile distance acquisition device according to claim 1, characterized in that, The movement distance acquisition device also includes: An adjusting frame, the adjusting frame being triangular in shape, is mounted on the side wall of the connecting frame; A spring, one end of which is connected to the adjusting bracket, and the other end of which is connected to the mounting bracket.

6. The mobile distance acquisition device according to claim 5, characterized in that, The movement distance acquisition device also includes: A collection plate, wherein multiple collection plates are circumferentially connected to the rolling wheel; The multiple acquisition plates are evenly distributed along the center line of the rolling wheel.

7. The mobile distance acquisition device according to claim 6, characterized in that, The movement distance acquisition device also includes: The first clearance groove is elongated, and a plurality of the first clearance grooves are disposed inside the rolling wheel and are arranged around the outside of the first rotating shaft. The second clearance groove is trapezoidal, and a plurality of the second clearance grooves are disposed inside the rolling wheel, and the plurality of the second clearance grooves are arranged around the outside of the plurality of the first clearance grooves.

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