Digital speckle synchronous acquisition equipment

Abstract

The utility model discloses digital speckle synchronous acquisition equipment, which comprises a transport vehicle body, a first roller and a roller assembly, the bottom of the transport vehicle body is connected with first rollers, a mounting cavity is formed below a bottom plate of the transport vehicle body, the top end of a liftable roller assembly is connected to the bottom plate, and the roller assembly is located in the mounting cavity. The roller assembly has the beneficial effects that the roller assembly can share the pressure when the roller passes through a curve, so that the pressure of the first roller is greatly reduced, the friction force between the first roller and the track is reduced, and the service life of the first roller is ensured.

Description

Technical Field

[0001] This utility model relates to an optical measurement technology, and more particularly to a digital speckle synchronous acquisition device. Background Technology

[0002] With the continuous advancement of optical measurement technology, digital speckle correlation (DSC) has been widely applied in the fields of materials mechanics, biomechanics, and civil engineering as a non-contact optical measurement technique. DSC synchronous acquisition equipment is used to acquire speckle image sequences of an object's surface during deformation to analyze the object's displacement and strain mechanical parameters. To ensure the acquisition of high-quality, high-precision speckle images, a stable and precise track structure is needed to support and move the acquisition equipment. With the development of automated control technology, the collaborative work between the track structure and the data acquisition system has become possible. In the past, the movement of the acquisition equipment and data acquisition were usually manual operations, which were inefficient and prone to human error. Now, through automated control systems, the speed, position, and acquisition time of the acquisition equipment on the track can be precisely set.

[0003] In many real-world scenarios, space is limited and irregularly shaped. Curves allow tracks to better adapt to these complex shapes, making more efficient use of space. In a factory workshop, due to the layout constraints of various production equipment, warehouses, and passageways, curves are needed on the track to bypass obstacles and prevent excessively long straight tracks from occupying valuable workshop space. However, failure to reduce speed in time when turning can cause the equipment to deviate from the track and become unusable. Existing technologies use a protruding shape on the wheel's edge to maintain lateral constraint at turns. When the wheel turns, the rim contacts the side of the track, generating a lateral force that prevents the wheel from shifting further outward, ensuring the wheel travels along the track. However, this method causes friction between the wheel and track, leading to wheel wear and ultimately affecting normal wheel use and reducing its lifespan.

[0004] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0005] The technical problem to be solved by this utility model is: how to solve the problem in the prior art that the wheel rubs at the bend of the track, resulting in severe wheel wear and reduced wheel service life.

[0006] This utility model solves the above-mentioned technical problems through the following technical means:

[0007] The digital speckle synchronous acquisition device includes a transport vehicle body, a first roller, and a roller assembly. The bottom of the transport vehicle body is connected to the first roller, and an installation cavity is formed below the bottom plate of the transport vehicle body. The top of the roller assembly, which can be raised and lowered, is connected to the bottom plate, and the roller assembly is located inside the installation cavity.

[0008] In this invention, when the transport vehicle reaches a turning position, the roller assembly descends from the mounting cavity and engages with the track. The roller assembly can share the pressure when turning, which greatly reduces the pressure on the first roller, reduces the friction between the first roller and the track, and ensures the service life of the first roller.

[0009] Preferably, there are at least two roller assemblies, and the two roller assemblies are evenly distributed at intervals along the forward direction of the transport vehicle.

[0010] Multiple roller assemblies enable greater stability when driving on curves.

[0011] Preferably, each roller assembly includes a telescopic rod, a support rod, and a second roller. The fixed end of the telescopic rod is fixedly connected to the bottom plate of the transport vehicle body, the telescopic end of the telescopic rod is connected to the support rod, and the two ends of the support rod are rotatably connected to the second roller.

[0012] Preferably, the distance between the second rollers at both ends and the distance between the first rollers on both sides does not differ by more than 20mm.

[0013] Preferably, the roller assembly further includes a push plate and a fixed plate, the telescopic end of the telescopic rod is connected to the push plate, the top of the fixed plate is slidably connected to the bottom surface of the push plate, and the bottom end of the fixed plate is connected to the support rod.

[0014] Since the top of the fixed plate is slidably connected to the bottom of the push plate, the distance between the second rollers in the two roller assemblies can be adjusted to meet the needs of curves with different radii. Multiple bolt holes can also be provided from the top of the push plate downwards, so that after the fixed plate slides to the appropriate position, the position of the fixed plate can be locked and fixed by the locking bolts.

[0015] Preferably, the end of the push plate is slidably connected to the side of the transport vehicle body.

[0016] The side of the push plate can slide to the side of the transport vehicle body via a slide rail, which guides the push plate as it moves up and down, making the movement more stable.

[0017] Preferably, it also includes a sensor, which is mounted on the side panel of the transport vehicle body and electrically connected to the roller assembly.

[0018] Preferably, the roller assembly further includes an L-shaped rod, a connecting rod, and a bottom cover; the connecting rod is located on both sides of the support rod, the connecting rod is parallel to the support rod, the connecting rod is fixedly connected to the side plate of the transport vehicle body, one end of the L-shaped rod is movably connected to the push plate or the fixed plate, the bend of the L-shaped rod is rotatably connected to the connecting rod, and the other end of the L-shaped rod is movably connected to the bottom cover.

[0019] The bottom covers on both sides open only when the second roller needs to descend, forming a channel to allow the second roller to descend smoothly. When the second roller is not in use, the bottom covers are closed to prevent external obstacles from hitting the second roller and to reduce some dust from entering the second roller, which can reduce wear and improve the service life of the bearing.

[0020] Preferably, the transport vehicle body also includes a top cover, a baffle, and springs. The side panels of the transport vehicle body form a rectangular structure with an open top. One side of the top cover is rotatably connected to the top of the side panel. The bottom surface of the top cover is connected to the top of multiple springs. The bottom end of the springs is connected to the baffle, which is located within the rectangular structure.

[0021] Baffles and springs help prevent items from slipping during transport, thus ensuring the safety of the transport process.

[0022] Preferably, the transport vehicle body also includes a handle, which is connected to the outside of the top cover and has an anti-slip sleeve attached to it.

[0023] The advantages of this utility model are:

[0024] (1) In this utility model, when the transport vehicle travels to the turning position, the roller assembly descends from the mounting cavity and engages with the track. The roller assembly can share the pressure when going through the curve, which greatly reduces the pressure on the first roller, reduces the friction between the first roller and the track, and ensures the service life of the first roller.

[0025] (2) Multiple roller assemblies make driving more stable when turning.

[0026] (3) Since the top of the fixed plate is slidably connected to the bottom of the push plate, the distance between the second rollers in the two roller assemblies can be adjusted to meet the needs of curves with different radii.

[0027] (4) The side of the push plate can be slidably connected to the side of the transport vehicle body through a slide rail. During the up and down movement of the push plate, it plays a guiding role, making the movement more stable.

[0028] (5) The bottom covers on both sides open only when the second roller needs to descend, forming a channel so that the second roller can descend smoothly. When the second roller is not in use, the bottom covers are closed to prevent external obstacles from hitting the second roller and to reduce some dust from entering the second roller, which can reduce wear and improve the service life of the bearing.

[0029] (6) The baffle and spring help prevent items from slipping during transportation, thus ensuring the safety of the transportation process. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of the digital speckle synchronous acquisition device according to an embodiment of this utility model;

[0031] Figure 2 This is a schematic diagram of the structure of the digital speckle synchronous acquisition device according to an embodiment of this utility model;

[0032] Figure 3 This is an exploded view of the digital speckle synchronous acquisition device according to an embodiment of this utility model;

[0033] Figure 4 This is a schematic diagram of the roller assembly according to an embodiment of the present invention;

[0034] Figure 5 This is a schematic diagram of the roller assembly according to another embodiment of the present invention;

[0035] Figure 6 This is a schematic diagram of the roller assembly according to another embodiment of the present invention;

[0036] Figure 7 This is an exploded schematic diagram of the transport vehicle body of this utility model;

[0037] Numbering on the map:

[0038] 1. Digital speckle synchronous acquisition device; 11. Transport vehicle body; 111. Base plate; 112. Side plate; 113. Top cover; 114. Baffle; 115. Spring; 116. Handle; 117. First slide rail; 12. First roller; 13. Sensor;

[0039] 2. Roller assembly; 21. Telescopic rod; 22. Push plate; 23. Fixing plate; 24. Support rod; 25. Second roller; 26. L-shaped rod; 27. Connecting rod; 28. Bottom cover;

[0040] 3. Rail assembly; 31. Rail body; 32. Pad; 33. Rail screw; 34. Washer. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below in conjunction with the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0042] Example 1:

[0043] like Figure 1 , Figure 2 As shown, the digital speckle synchronous acquisition device 1 includes a transport vehicle body 11, and first rollers 12 are rotatably connected to the front and rear sides of the bottom of the transport vehicle body 11. The first rollers 12 can run on the track assembly 3.

[0044] The track assembly 3 includes a track body 31, a pad 32, a track screw 33, and a washer 34. The bottom end of the first roller 12 rolls along the track body 31. Specifically, the top end of the track body 31 has a groove-shaped channel, and the first roller 12 rolls along the channel, ensuring smooth movement and stable force transmission between the two. The bottom end of the track body 31 is fixedly connected to the pad 32, and the top end of the pad 32 is threadedly connected to the track screw 33. The bottom of the nut of the track screw 33 is connected to the washer 34. The pad 32 not only ensures the stability of the structure but also allows for fine-tuning when necessary to adapt to different working conditions and requirements.

[0045] The transport vehicle body 11 has a cavity structure, formed by four side plates 112 connected end to end, and its interior can be used for transporting materials. The bottom plate 111 of the transport vehicle body 11 is connected to the bottom of the side plates 112, but the bottom plate 111 is not flush with the bottom edge of the transport vehicle body 11. The bottom plate 111 is connected to the lower middle part of the side plates 112, so that a mounting cavity is formed below the bottom plate 111. This mounting cavity is used to mount the roller assembly 2. The top end of the roller assembly 2 is connected to the bottom plate 111 of the transport vehicle body 11.

[0046] Specifically, such as Figure 3 As shown, there are two roller assemblies 2, which are spaced apart along the forward direction of the transport vehicle body 11. Preferably, they are arranged symmetrically in a vertical plane along the middle of the transport vehicle body 11. If there are multiple roller assemblies 2, preferably, the multiple roller assemblies 2 are evenly distributed.

[0047] like Figure 4As shown, each roller assembly 2 includes a telescopic rod 21, a push plate 22, a fixed plate 23, a support rod 24, and a second roller 25. The fixed end (top) of the telescopic rod 21 is fixedly connected to the bottom surface of the base plate 111 of the transport vehicle body 11, and the telescopic end (bottom) of the telescopic rod 21 is connected to the push plate 22. The bottom surface of the push plate 22 is provided with a slide rail, and the top of the fixed plate 23 is slidably connected to the bottom surface of the push plate 22. This allows adjustment of the distance between the second rollers 25 in the two roller assemblies 2 to accommodate different degrees of curvature of the track body 31, ensuring smooth movement of the transport vehicle body 11 when turning. The bottom end of the fixed plate 23 is fixedly connected to the support rod 24. The fixed plates 23 at both ends of each roller assembly 2 are connected to the same support rod 24 to support both ends of the same support rod 24. Each end of the support rod 24 is movably connected to a second roller 25. The positions of the second rollers 25 and the first rollers 12 are linearly arranged along the track body 31. The edge of the second roller 25 is designed to protrude, so that the second roller 25 maintains a certain lateral constraint at the turning point, and the rim contacts the side of the track to generate a lateral force.

[0048] The distance between the second rollers at both ends and the distance between the first rollers on both sides should not differ by more than 20mm. Preferably, the distance between the second rollers 25 at both ends is equal to the distance between the first rollers 12 on both sides, to ensure that a rolling connection is formed when the second rollers 25 move down to contact the track body 31. It should be noted that a slight error is allowed in this equality, as long as the second rollers 25 can engage with the track body 31.

[0049] The side of the push plate 22 can be slidably connected to the side of the transport vehicle body 11 via a slide rail, serving as a guide during the up-and-down movement of the push plate 22, making the movement more stable. Figure 7 As shown, the left and right side plates 112 of the inner wall of the transport vehicle body 11 each have two vertically arranged first slide rails 117. The outer wall of the push plate 22 is slidably connected to the inner wall of the transport vehicle body 11 in order to realize the smooth movement of the push plate 22 inside the transport vehicle body 11.

[0050] Since the top of the fixed plate 23 is slidably connected to the bottom of the push plate 22, the distance between the second rollers 25 in the two roller assemblies 2 can be adjusted to meet the needs of curves with different radii. Multiple bolt holes can also be provided from the top of the push plate 22 downwards, so that after the fixed plate 23 slides to a suitable position, the position of the fixed plate 23 can be locked and fixed by the locking bolts.

[0051] A sensor 13 is also connected to the transport vehicle body 11. The sensor 13 is used to obtain the image ahead and determine whether a turn has been reached. In this embodiment, the sensor 13 obtains the distance to the curve and triggers the extension and retraction of the telescopic pole 21, which can be achieved using existing technology. The sensor 13 can also monitor the surrounding environment in real time to ensure that the transport vehicle body 11 can respond promptly to external changes during movement, thereby avoiding potential collisions or obstacles.

[0052] The working process of this embodiment:

[0053] When the transport vehicle 11 moves along the first roller 12, the sensor 13 acquires information about the road conditions ahead. When the sensor 13 is a certain distance from the curve, it sends a signal to the telescopic rod 21. The telescopic rod 21 then moves the push plate 22 and the fixed plate 23 downwards, and the support rod 24 and the second roller 25 also move downwards. The telescopic rod 21 stops when the second roller 25 contacts the track body 31 and achieves a good fit. The specific extension length of the telescopic rod 21 can be determined through debugging or other methods. When turning, the second roller 25 can share the pressure when going through the curve, which greatly reduces the pressure on the first roller 12, reduces the friction between the first roller 12 and the track body 31, and ensures the service life of the first roller 12. After passing through the curve, the telescopic rod 21 is retracted, and the second roller 25 returns to its initial position. When on a straight track, the first roller 12 is used as the main moving part.

[0054] Example 2:

[0055] Based on the above embodiment 1, the roller assembly 2 also includes an L-shaped rod 26, a connecting rod 27, and a bottom cover 28;

[0056] like Figure 5 , Figure 6 As shown, connecting rods 27 are located on both sides of fixed plate 23, parallel to support rod 24, and fixedly connected to side plate 112 of transport vehicle body 11. One end of L-shaped rod 26 is movably connected to push plate 22 or fixed plate 23, and the bend of L-shaped rod 26 is rotatably connected to connecting rod 27. The other end of L-shaped rod 26 is movably connected to bottom cover 28. When the second roller 25 is not in use, the two bottom covers 28 are close together and located below the second roller 25, which can prevent external obstacles from hitting the second roller 25 and correspondingly reduce some dust entering the second roller 25. Since the second roller 25 contains bearings, reducing dust entry can reduce wear and improve bearing life.

[0057] The working process of this embodiment:

[0058] When the transport vehicle 11 moves via the first roller 12, the sensor 13 acquires the road conditions ahead. When the sensor 13 is a certain distance from the curve, it sends a signal to the telescopic rod 21. The telescopic rod 21 then drives the push plate 22 and the fixed plate 23 to move downwards. The top of the L-shaped rod 26 also moves downwards with the push plate 22. At this time, the middle part of the L-shaped rod 26 will rotate around the connecting rod 27. The bottom end of the L-shaped rod 26 will drive the bottom cover 28 to rotate to one side. The bottom cover 28 rotates to both sides, and the two bottom covers 28 separate. The support rod 24 and the second roller 25 also move downwards through the separated bottom covers 28. The telescopic rod 21 stops when the second roller 25 contacts the track body 31 and achieves a good fit.

[0059] After passing through the bend, the telescopic rod 21 is retracted, which in turn drives the push plate 22 and the fixed plate 23 to move upward. The top of the L-shaped rod 26 also moves upward with the push plate 22. At this time, the middle part of the L-shaped rod 26 will rotate around the connecting rod 27, and the bottom end of the L-shaped rod 26 will drive the bottom cover 28 to rotate inward. The two bottom covers 28 will then be roughly on the same horizontal plane again.

[0060] Example 3:

[0061] like Figure 7 As shown, the transport vehicle body 11 also includes a top cover 113, a baffle 114, a spring 115, and a handle 116;

[0062] The side panels 112 of the transport vehicle body 11 form a rectangular structure with an open top. One side of the top cover 113 is rotatably connected to the top of the side panel 112 via a pivot. A handle 116 is also connected to the top of the top cover 113. The handle 116 allows the operator to easily open or close the top cover 113 when needed. A pivot is rotatably connected to the left end of the top cover 113, which not only enhances the stability of the top cover 113, but also allows the top cover 113 to perform necessary rotation operations under specific conditions.

[0063] Multiple springs 115 are connected to the bottom surface of the top cover 113, and the other end of each spring 115 is connected to a baffle 114. The baffle 114 is located within a rectangular structure. The baffle 114 and the springs 115 help prevent items from accidentally slipping during transportation, thus ensuring the safety of the transportation process.

[0064] The side panel 112 at the rear of the transport vehicle body 11 is fixedly connected with a label to facilitate quick identification and management in a busy logistics environment.

[0065] A decorative strip is fixedly connected to the top of the top cover 113, and an anti-slip sleeve is fixedly connected to the outside of the handle 116. This not only improves the user's grip comfort during use, but also effectively prevents safety accidents caused by slipping hands.

[0066] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A digital speckle synchronous acquisition device, characterized in that, It includes a transport vehicle body, a first roller, and a roller assembly; the bottom of the transport vehicle body is connected to the first roller, and an installation cavity is formed below the bottom plate of the transport vehicle body. The top of the roller assembly, which can be raised and lowered, is connected to the bottom plate, and the roller assembly is located inside the installation cavity.

2. The digital speckle synchronous acquisition device according to claim 1, characterized in that, There are at least two roller assemblies, and the two roller assemblies are evenly distributed at intervals along the forward direction of the transport vehicle.

3. The digital speckle synchronous acquisition device according to claim 1, characterized in that, Each roller assembly includes a telescopic rod, a support rod, and a second roller. The fixed end of the telescopic rod is fixedly connected to the floor of the transport vehicle, the telescopic end of the telescopic rod is connected to the support rod, and the two ends of the support rod are rotatably connected to the second roller.

4. The digital speckle synchronous acquisition device according to claim 3, characterized in that, The distance between the second rollers at both ends and the distance between the first rollers on both sides shall not differ by more than 20mm.

5. The digital speckle synchronous acquisition device according to claim 3, characterized in that, The roller assembly also includes a push plate and a fixed plate. The telescopic end of the telescopic rod is connected to the push plate, the top of the fixed plate is slidably connected to the bottom surface of the push plate, and the bottom of the fixed plate is connected to the support rod.

6. The digital speckle synchronous acquisition device according to claim 5, characterized in that, The end of the push plate is slidably connected to the side of the transport vehicle body.

7. The digital speckle synchronous acquisition device according to claim 1, characterized in that, It also includes sensors, which are mounted on the side panels of the transport vehicle and electrically connected to the roller assembly.

8. The digital speckle synchronous acquisition device according to claim 3, characterized in that, The roller assembly also includes an L-shaped rod, a connecting rod, and a bottom cover; the connecting rod is located on both sides of the support rod, the connecting rod is parallel to the support rod, the connecting rod is fixedly connected to the side plate of the transport vehicle body, one end of the L-shaped rod is movably connected to the push plate or the fixed plate, the bend of the L-shaped rod is rotatably connected to the connecting rod, and the other end of the L-shaped rod is movably connected to the bottom cover.

9. The digital speckle synchronous acquisition device according to claim 1, characterized in that, The transport vehicle body also includes a top cover, baffles, and springs. The side panels of the transport vehicle body form a rectangular structure with an open top. One side of the top cover is rotatably connected to the top of the side panel. The bottom surface of the top cover is connected to the top of multiple springs. The bottom end of the springs is connected to the baffle, which is located inside the rectangular structure.

10. The digital speckle synchronous acquisition device according to claim 9, characterized in that, The transport vehicle also includes handles, which are attached to the outside of the top cover and have anti-slip sleeves attached to them.

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