Positioning structure of logistics transport vehicle

Abstract

This invention discloses a positioning structure for a logistics transport vehicle, relating to the technical field of logistics transport vehicles. It includes a base plate, with movable rods connected to both sides of the base plate via telescopic rods. Above each set of movable rods are constraint components that limit the movement of goods on both sides. Each constraint component includes a movable block, with a groove at its bottom end. Two sets of movable blocks are slidably connected to the inner wall of the groove, and a first spring is fixedly connected between the two sets of movable blocks. This invention, through the cooperation of the constraint components and the positioning components, achieves positioning and protection during the loading and transportation of goods. Simultaneously, with the cooperation of a first magnetic block and a second magnetic block, it reduces the lateral inertial force generated when the transport vehicle adjusts its driving posture, such as turning, starting, and stopping, thus avoiding the risk of goods tipping over, shifting, or sliding sideways due to inertia. It offers high flexibility and strong adaptability.

Description

Technical Field

[0001] This invention relates to the field of logistics transportation material cart technology, specifically a positioning structure for a logistics transportation material cart. Background Technology

[0002] In logistics and transportation, it is often necessary to transfer goods in simple scenarios using trolleys, which are mostly used in areas such as factories, warehouses, and logistics parks. In existing technologies, most of them lack effective lateral restraint mechanisms. When the transport trolley performs turning or other driving posture adjustment operations, the goods will be subjected to lateral inertial forces. These inertial forces cause the goods to tend to deviate from their initial placement position. If the displacement exceeds the bearing limit, it is very easy to cause the goods to slip off the side of the trolley, which will result in structural damage or functional failure of the goods, directly affecting the quality of the goods and their reliability in use.

[0003] Meanwhile, during the cargo loading stage, when workers stack the cargo onto the carrying platform, it is difficult to achieve orderly arrangement and positioning of the cargo, resulting in an irregular distribution of the cargo on the carrying surface. During the movement of the material cart, the weight of the cargo will decompose and generate lateral torque, causing the cargo to "slip" on the material cart. This may exacerbate the left and right swaying of the cargo during movement and further cause the stacked cargo to become unstable. This not only increases the difficulty of handling operations but also reduces the safety and efficiency of the transportation process, affecting the overall reliability of cargo transfer. Summary of the Invention

[0004] Therefore, the purpose of this invention is to provide a positioning structure for a logistics transport vehicle to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a positioning structure for a logistics transport material cart, comprising a base plate, wherein movable rods are connected to both sides of the base plate via telescopic rods, and constraint components for limiting the movement of goods on both sides are provided above the two sets of movable rods, each constraint component comprising a movable block, wherein a groove is provided at the bottom end of the movable block, and two sets of movable blocks are slidably connected to the inner wall of the groove, wherein a first spring is fixedly connected between the two sets of movable blocks, and a connecting rod is rotatably connected to the end of each set of movable blocks away from the first spring, wherein a fixed block is rotatably connected to the other end of the connecting rod and slidably connected to the movable rod, wherein two sets of positioning components for moving the movable rods are provided on the inner wall of the base plate, and two sets of fixed components for positioning the movable blocks are provided on the inner wall of each set of movable rods.

[0006] Preferably, a first magnetic block is fixedly installed on the upper surface of both sets of movable blocks, and a baffle is provided on the side surface of the movable block near the bottom plate. Two sets of second magnetic blocks are symmetrically fixedly connected on the side surface of the baffle near the movable block, and the second magnetic blocks are parallel to the first magnetic blocks.

[0007] Preferably, a sliding rod is fixedly connected at the center of the baffle surface, and the other end of the sliding rod is slidably connected to the center of the movable block and located above the first spring.

[0008] Preferably, the surfaces of the first magnetic block and the second magnetic block that are close to each other are provided with inclined surfaces, and the inclined surfaces of the first magnetic block and the second magnetic block are in opposite directions. The upper surface of the movable block is provided with two sets of through slots for the movable block to move, and the upper surface of the movable rod is provided with two sets of guide slots for the fixed block to move.

[0009] Preferably, the positioning component includes a cylinder installed on the inner wall of the moving rod, one end of the cylinder being fixedly connected to a fixed block, a fixed cylinder being fixedly connected inside the base plate, a push rod being slidably connected to the inner wall of the fixed cylinder, and the end of the push rod away from the fixed cylinder extending to the outside of the base plate and being fixedly connected to the moving rod.

[0010] Preferably, the end of the fixed cylinder away from the push rod is fixedly connected to a connecting pipe, and the other end of the connecting pipe extends into the interior of the moving rod and is fixedly connected to the cylinder. The fixed cylinder, the connecting pipe, and the cylinder are all filled with oil.

[0011] Preferably, a spring clip is connected to one side surface of the fixing block, and the end of the spring clip is provided with an inclined surface. The fixing assembly includes two sets of mounting blocks symmetrically connected to the inner wall of the moving rod. Multiple sets of slots matching the spring clip are opened on one side surface of the mounting block, and the inner wall of the slot is provided with an inclined surface that fits against the spring clip.

[0012] Preferably, the mounting block has a notch on the side surface near the moving rod, and a pressure plate is connected to the outer wall of the moving rod by a second spring. Multiple sets of abutment rods are fixedly connected to one side surface of the pressure plate, and the multiple sets of abutment rods extend to the inner wall of the slot through the notch.

[0013] In summary, the present invention has the following main beneficial effects:

[0014] 1. This invention achieves positioning and protection during cargo loading and transportation through the cooperation of constraint components and positioning components, improving the overall safety of transportation operations. The movement of the movable block allows for the extraction of oil from the fixed cylinder and cylinder, thereby enabling flexible extension and retraction of the movable rod to accommodate the loading needs of cargoes of different widths. After the cargo is loaded, pulling the movable block upwards causes the connecting rod and fixed block to move synchronously. The hydraulic oil return drives the movable rod to move, resulting in a uniform lateral pressure on the cargo by the baffle, guiding the cargo to align with the geometric center of the base plate. This avoids, to some extent, the problem of center of gravity shift caused by uneven cargo placement in traditional transport carts, reducing the risk of lateral torque generated by gravity during transportation and effectively preventing the phenomenon of cargo "flow slippage". At the same time, the automatic locking of the spring block and the slot can fix the position of the movable block, preventing positioning failure due to vibration and bumps during transportation, providing continuous and stable lateral constraint for the cargo, significantly reducing the probability of cargo displacement and falling, and ensuring the quality of cargo transportation.

[0015] 2. This invention achieves a tight fit between the baffle and the surface of the goods through the cooperation of the constraint component and the positioning component. Then, the goods are clamped by the principle of like poles repulsion between the first and second magnetic blocks. When the goods are large and heavy, the moving distance of the movable block increases. At this time, the overlapping area of ​​the first and second magnetic blocks increases simultaneously, and the repulsive force is strengthened. This causes the clamping force of the baffle on the goods to increase adaptively, which facilitates the positioning of large and heavy goods. To a certain extent, it reduces the lateral inertial force generated when the transport vehicle is turning, starting and stopping, and other driving posture adjustments. It avoids the risk of the goods overturning, shifting or sliding sideways due to inertia. It has high flexibility and strong adaptability, and significantly improves the practicality of the transport vehicle. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the overall structure of the present invention;

[0017] Figure 2 This is a three-dimensional schematic diagram of part of the structure of the present invention;

[0018] Figure 3 This is a three-dimensional schematic diagram of the overall structure of the positioning component of the present invention;

[0019] Figure 4 This is a three-dimensional schematic diagram of the movable block structure from below in this invention;

[0020] Figure 5 This is a three-dimensional structural diagram of the disassembled constraint component of the present invention;

[0021] Figure 6 This is a three-dimensional structural diagram of the disassembled fixing component of the present invention.

[0022] In the diagram: 1. Base plate; 2. Moving rod; 31. Movable block; 32. Connecting rod; 33. Fixed block; 34. Moving block; 35. First magnetic block; 36. Baffle; 361. Slide rod; 37. Second magnetic block; 41. Mounting block; 42. Slot; 43. Pressure plate; 44. Support rod; 51. Push rod; 52. Fixed cylinder; 53. Connecting pipe; 54. Cylinder; 6. Spring block. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0024] The embodiments of the present invention will now be described.

[0025] A positioning structure for a logistics transport vehicle, such as Figure 1 - Figure 6 As shown, the device includes a base plate 1. Movable rods 2 are connected to both sides of the base plate 1 via telescopic rods. Each set of movable rods 2 has a constraint assembly above it to limit the movement of the goods on both sides. The constraint assembly includes a movable block 31. A groove is formed on the side of the movable block 31 away from the baffle 36, allowing the movable block 31 to be moved by pulling through the groove. A sliding groove is formed at the bottom of the movable block 31, and two sets of movable blocks 34 are slidably connected to the inner wall of the sliding groove. The sliding groove guides the movement direction of the movable blocks 34. A first spring is fixedly connected between the two sets of movable blocks 34. A connecting rod 32 is rotatably connected to the end of each set of movable blocks 34 away from the first spring. A fixed block 33, slidably connected to the movable rod 2, is rotatably connected to the other end of the connecting rod 32.

[0026] See Figure 2 and Figure 5 It can be seen that the upper surfaces of the two sets of moving blocks 34 are fixedly installed with first magnetic blocks 35. The side surface of the movable block 31 near the bottom plate 1 is provided with a baffle 36. The side surface of the baffle 36 near the movable block 31 is symmetrically connected with two sets of second magnetic blocks 37. The second magnetic blocks 37 are parallel to the first magnetic blocks 35. The magnetic repulsion between the first magnetic blocks 35 and the second magnetic blocks 37 facilitates the clamping of goods and can also achieve a certain damping effect on the goods during the movement.

[0027] A sliding rod 361 is fixedly connected to the center of the surface of the baffle 36. The other end of the sliding rod 361 is slidably connected to the center of the movable block 31 and is located above the first spring. The sliding rod 361 facilitates the sliding connection between the baffle 36 and the movable block 31. Under the action of the first magnetic block 35 and the second magnetic block 37, the baffle 36 can be pushed to move, which facilitates the baffle 36 to grip the goods and the vibration damping effect.

[0028] The surfaces of the first magnetic block 35 and the second magnetic block 37 that are close to each other are provided with inclined surfaces, and the inclined surfaces of the first magnetic block 35 and the second magnetic block 37 are in opposite directions. Since the inclined surfaces of the first magnetic block 35 and the second magnetic block 37 are opposite, no matter how the first magnetic block 35 moves, the first magnetic block 35 always remains parallel and aligned with the second magnetic block 37, ensuring that the magnetic coupling gap between the first magnetic block 35 and the second magnetic block 37 is always uniform and consistent, thereby achieving continuous and stable magnetic force. The upper surface of the movable block 31 is provided with two sets of through slots for the moving block 34 to move, and the upper surface of the moving rod 2 is provided with two sets of guide slots for the fixed block 33 to move.

[0029] See Figure 2 and Figure 3 It is known that the inner wall of the base plate 1 is provided with two sets of positioning components that drive the moving rod 2 to move. The positioning components include a cylinder 54 installed on the inner wall of the moving rod 2. One end of the cylinder 54 is fixedly connected to the fixed block 33. A fixed cylinder 52 is fixedly connected inside the base plate 1. A push rod 51 is slidably connected to the inner wall of the fixed cylinder 52. The end of the push rod 51 away from the fixed cylinder 52 extends to the outside of the base plate 1 and is fixedly connected to the moving rod 2. A connecting pipe 53 is fixedly connected to the end of the fixed cylinder 52 away from the push rod 51. The other end of the connecting pipe 53 extends into the moving rod 2 and is fixedly connected to the cylinder 54. The fixed cylinder 52, the connecting pipe 53, and the cylinder 54 are all filled with oil. When the moving block 31 moves up and down, it can drive the fixed block 33 to reciprocate linearly by cooperating with the connecting rod 32. The fixed block 33 can extract and squeeze the oil inside the cylinder 54, and then cooperate with the fixed cylinder 52 and the push rod 51 to realize the parallel movement of the moving rod 2.

[0030] See Figures 3-6 It can be seen that a spring-loaded block 6 is connected to one side surface of the fixed block 33. The end of the spring-loaded block 6 is provided with an inclined surface. The inner walls of both sets of moving rods 2 are provided with fixing components for positioning the movable block 31. The fixing components include two sets of mounting blocks 41 symmetrically connected to the inner walls of the moving rods 2. Multiple sets of slots 42 that match the spring-loaded block 6 are opened on one side surface of the mounting block 41. The inner wall of the slot 42 is provided with an inclined surface that fits against the spring-loaded block 6. When the spring-loaded block 6 is engaged with the inner wall of the slot 42, the position of the movable block 31 can be fixed. The setting of the spring-loaded block 6 and the inclined surface of the slot 42 facilitates the rapid movement of the fixed block 33 when the movable block 31 moves upward.

[0031] The mounting block 41 has a notch on the side surface near the moving rod 2. The outer wall of the moving rod 2 is connected to a pressure plate 43 via a second spring. Multiple sets of abutment rods 44 are fixedly connected to one side surface of the pressure plate 43. The multiple sets of abutment rods 44 extend to the inner wall of the slot 42 through the notch. When it is necessary to adjust the position of the movable block 31, by pressing the pressure plate 43, the pressure plate 43 and the abutment rods 44 can push the spring block 6 out of the inner wall of the slot 42, thereby making it easier to release the lock of the slot 42 on the spring block 6.

[0032] The working principle of this invention is as follows: Before the loading operation of the goods begins, the operator first applies pressure to the pressure plate 43 continuously, and then inserts the abutment rod 44 into the inner wall of the slot 42, pushing the spring block 6 to move, thereby releasing the locking state between the spring block 6 and the slot 42, so that the fixed block 33 can move in the predetermined track. When the fixed block 33 moves into place, the pressure on the pressure plate 43 is released. At this time, the pressure plate 43 resets under the elastic force of the second spring. Then, downward pressure is applied to the movable block 31, which causes the two sets of connecting rods 32 to move relative to each other and squeeze the first spring. At this time, the connecting rod 32 applies pressure to the fixed block 33, so that the fixed block 33 squeezes the oil inside the cylinder 54 into the fixed cylinder 52 through the connecting pipe 53. At this time, the push rod 51 pushes the moving rod 2 to extend outward in the horizontal direction under the action of the oil until the lower surface of the movable block 31 is completely in contact with the upper surface of the moving rod 2. At this time, the moving rod 2 reaches its maximum stroke position.

[0033] Then, the operator places the goods to be transported on the bearing surface of the base plate 1. After loading, adjustments are made according to the actual width of the goods. The movable block 31 is pulled upwards through the groove. During the movement of the movable block 31, the connecting rod 32 moves synchronously. The fixed block 33 moves together under the action of the connecting rod 32. At this time, the oil inside the fixed cylinder 52 is drawn into the cylinder 54 through the connecting pipe 53. At this time, the moving rod 2 gradually moves closer to the base plate 1. When the baffle 36 on the movable block 31 contacts the surface of the goods, the baffle 36 will generate a force on the goods. Lateral extrusion force guides the goods to be aligned with the geometric center of the base plate 1, effectively avoiding the center of gravity shift caused by uneven distribution of goods on the base plate 1. This reduces the risk of lateral torque caused by gravity during transportation, facilitating safe transportation. When the baffle 36 is tightly attached to the side surface of the goods, the pulling of the movable block 31 is stopped, and the spring block 6 is precisely engaged in the corresponding slot 42 under its own elastic force, thereby fixing the position of the fixed block 33 and locking and limiting the position of the moving rod 2 and the baffle 36.

[0034] As the movable block 31 moves upward, the movable block 34 connected to the connecting rod 32 and its first magnetic block 35 also move synchronously. Since the first magnetic block 35 and the second magnetic block 37 have the same magnetic poles, under the magnetic principle of "like poles repel and unlike poles attract," when the distance the movable block 31 moves upward increases (indicating that the cargo volume is larger and the weight is heavier, and the increase in cargo weight will directly lead to an increase in the inertial force generated when its motion state changes), the overlapping area of ​​the first magnetic block 35 and the second magnetic block 37 also increases, thereby making the first magnetic block 35... The repulsive force between the magnetic block 35 and the second magnetic block 37 is enhanced. Therefore, the heavier the cargo, the greater the clamping force of the baffle 36 on the cargo, and the more secure the positioning effect. This effectively resists the huge lateral inertial force generated when the transport vehicle adjusts its driving posture, such as when turning, preventing the cargo from tipping over or shifting. It significantly reduces the risk of the cargo sliding sideways from the bottom plate 1 and avoids quality problems caused by cargo damage. This greatly improves the safety and reliability of the entire transportation process. The contents not described in detail in this description are prior art known to those skilled in the art.

[0035] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the invention and are not intended to limit it. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the invention, but such modifications, substitutions, and variations are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A positioning structure of a logistic transport vehicle, comprising a base plate (1), characterized in that: The bottom plate (1) has two movable rods (2) connected to its two sides by telescopic rods. Each of the two movable rods (2) is equipped with a constraint component that limits the movement of the goods on both sides. The constraint component includes a movable block (31). The bottom of the movable block (31) is provided with a groove, and two movable blocks (34) are slidably connected to the inner wall of the groove. A first spring is fixedly connected between the two movable blocks (34). A connecting rod (32) is rotatably connected to the end of each of the two movable blocks (34) away from the first spring. A fixed block (33) is rotatably connected to the other end of the connecting rod (32) and slidably connected to the movable rod (2). The inner wall of the bottom plate (1) is provided with two sets of positioning components that drive the movable rods (2) to move. The inner wall of each of the two movable rods (2) is provided with a fixed component that positions the movable block (31). The positioning component includes a cylinder (54) installed on the inner wall of the moving rod (2). One end of the cylinder (54) is fixedly connected to the fixed block (33). The bottom plate (1) is fixedly connected to a fixed cylinder (52). A push rod (51) is slidably connected to the inner wall of the fixed cylinder (52). The end of the push rod (51) away from the fixed cylinder (52) extends to the outside of the bottom plate (1) and is fixedly connected to the moving rod (2). The fixing block (33) has a spring clip (6) connected to one side surface. The end of the spring clip (6) is provided with an inclined surface. The fixing component includes two sets of mounting blocks (41) symmetrically connected to the inner wall of the moving rod (2). The mounting block (41) has multiple sets of slots (42) that match the spring clip (6) on one side surface. The inner wall of the slot (42) is provided with an inclined surface that fits against the spring clip (6).

2. The positioning structure of a logistics transport vehicle according to claim 1, characterized in that: The upper surfaces of the two sets of movable blocks (34) are fixedly equipped with first magnetic blocks (35). A baffle (36) is provided on the side surface of the movable block (31) near the bottom plate (1). Two sets of second magnetic blocks (37) are symmetrically fixedly connected on the side surface of the baffle (36) near the movable block (31). The second magnetic blocks (37) are parallel to the first magnetic blocks (35).

3. The positioning structure of a logistics transport vehicle according to claim 2, characterized in that: A slide rod (361) is fixedly connected at the center of the surface of the baffle (36), and the other end of the slide rod (361) is slidably connected at the center of the movable block (31) and located above the first spring.

4. The positioning structure for a logistics transport vehicle according to claim 3, characterized in that: The first magnetic block (35) and the second magnetic block (37) are both provided with inclined surfaces on the side that are close to each other, and the inclined surfaces of the first magnetic block (35) and the second magnetic block (37) are in opposite directions. The upper surface of the movable block (31) is provided with two sets of through slots for the moving block (34) to move, and the upper surface of the moving rod (2) is provided with two sets of guide slots for the fixed block (33) to move.

5. The positioning structure for a logistics transport vehicle according to claim 4, characterized in that: The fixed cylinder (52) is fixedly connected to a connecting pipe (53) at one end away from the push rod (51). The other end of the connecting pipe (53) extends into the moving rod (2) and is fixedly connected to the cylinder (54). The fixed cylinder (52), the connecting pipe (53), and the cylinder (54) are all filled with oil.

6. The positioning structure for a logistics transport vehicle according to claim 5, characterized in that: The mounting block (41) has a notch on one side of the moving rod (2). The outer wall of the moving rod (2) is connected to a pressure plate (43) by a second spring. Multiple sets of abutments (44) are fixedly connected to one side of the pressure plate (43). The multiple sets of abutments (44) extend to the inner wall of the slot (42) through the notch.

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