Logistics bogie with one-way limiting function

Abstract

The utility model discloses a logistics bogie with a one-way limiting function, which relates to the technical field of logistics transportation and comprises a support plate, a hub arranged at the bottom of the support plate, a bearing plate arranged at the top of the support plate and a limiting component, the limiting component comprises a sleeve shell sleeved on the hub, the top of the sleeve shell is rotatably connected with a cardan shaft, and the cardan shaft is rotatably connected with the cardan shaft. A limiting shell is rotationally connected to the universal shaft, a push rod and a buffer assembly are arranged on the side, close to the limiting shell, of the support plate, the buffer assembly comprises a connecting plate arranged at the bottom of the push rod, a first spring is connected to the connecting plate, a buffer plate is connected to the first spring, an extension plate is connected to the buffer plate, and supporting rods are connected to the push rod and the connecting plate correspondingly; the buffering assembly is arranged, impact energy is absorbed, the stress cycle frequency of the limiting assembly is reduced, structural fatigue is delayed, and material hardening or embrittlement caused by high-frequency impact is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of logistics transportation, specifically is a logistics turning frame with one -way limiting function. BACKGROUND

[0002] In the field of logistics transportation, efficient and safe transportation of goods is crucial, and the performance of the logistics turning frame, as a key component of the logistics transportation equipment, directly affects the efficiency and safety of logistics operations.

[0003] When heavy goods are carried, the impact force generated by the inertia of the turning frame is greater, and rigid limiting may cause the goods to tip over or the frame to break, and the impact force will be transmitted to the goods through the turning frame, especially for precision instruments, fragile goods, etc., which may cause the internal parts of the goods to loosen, the shell to break or the function to fail, and the rigid limiting without buffer may bounce or slip under the impact, therefore, we propose a logistics turning frame with one-way limiting function. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a logistics turning frame with one-way limiting function to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a logistics turning frame with one-way limiting function, comprising a support plate, a hub provided at the bottom of the support plate, and a receiving plate provided at the top of the support plate, further comprising:

[0006] A limiting assembly, the limiting assembly comprises a sleeve shell sleeved on the hub, a universal shaft is rotatably connected to the top of the sleeve shell, a limiting shell is rotatably connected to the universal shaft, and a push rod is provided on one side of the support plate close to the limiting shell;

[0007] A buffer assembly, the buffer assembly comprises a connecting plate provided at the bottom of the push rod, a first spring is connected to the connecting plate, a buffer plate is connected to the first spring, an extension plate is connected to the buffer plate, a support rod is connected to the push rod and the connecting plate, an air cylinder is connected to the support rod, and a piston rod is slidably connected in the air cylinder.

[0008] Further, a transmission assembly is provided on the connecting plate, the transmission assembly comprises a connecting piece connected to the connecting plate, a rotating shaft is rotatably connected to the connecting piece, a lever plate is rotatably connected to the rotating shaft, and the lever plate is rotatably connected to the piston rod on the side away from the rotating shaft.

[0009] The above technical scheme is adopted: the transmission assembly is provided for transmitting the gravity of the buffer plate sliding downward to the piston rod for piston movement.

[0010] Further, the support plate is provided with an adjusting assembly, the adjusting assembly comprises a sliding rail, a screw rod is rotationally connected in the sliding rail, a sliding block is threadedly connected to the screw rod, a connecting rod is connected to the sliding block, and the connecting rod is connected with a push rod.

[0011] By adopting the technical scheme, the adjusting assembly can be pushed to be in close contact with the wheel hub, and back sliding is prevented.

[0012] Further, the sliding rail is provided with a mounting shell, a motor is arranged in the mounting shell, and the screw rod is connected with an output end of the motor.

[0013] By adopting the technical scheme, the motor is arranged as a power source of the adjusting assembly, and drives the screw rod to rotate.

[0014] Further, the support plate is provided with an auxiliary assembly, the auxiliary assembly comprises a groove arranged on the support plate, a second spring is arranged in the groove, a top plate is connected to a top of the second spring, the top plate is connected with a receiving plate, and a damper is arranged in the second spring.

[0015] By adopting the technical scheme, the auxiliary assembly is arranged to buffer the vibration borne by the receiving plate during transportation.

[0016] Further, a convex ball is arranged on one side of the sleeve shell close to the wheel hub.

[0017] By adopting the technical scheme, the convex ball is arranged to increase the friction between the limiting shell and the wheel hub, thereby increasing the limiting effect.

[0018] Compared with the prior art, the advantages and positive effects of the utility model are as follows:

[0019] In the utility model, the buffer assembly is arranged to absorb impact energy, reduce the stress cycle times of the limiting assembly, delay structural fatigue, avoid material hardening or embrittlement caused by high-frequency impact, solve the problem that when heavy goods are transported, the impact force generated by inertia of the bogie is larger, rigid limiting may cause the goods to fall or the frame to break, the impact force is transmitted to the goods through the bogie, especially for precision instruments, fragile goods, etc., which may cause the internal parts of the goods to loosen, the shell to break or the function to fail, and the rigid limiting without buffer may bounce or slip under the impact. DRAWINGS

[0020] Figure 1 It is a kind of logistics bogie main view with one-way limiting function.

[0021] Figure 2 It is a kind of logistics bogie side view with one-way limiting function.

[0022] Figure 3 This is a rear view of a logistics bogie with a one-way limiting function.

[0023] Figure 4 This is a structural diagram of a buffer assembly in a logistics bogie with a one-way limiting function.

[0024] Figure 5 This is a split diagram of a logistics bogie with a one-way limit function.

[0025] Numbering on the map:

[0026] 1. Bracket plate; 2. Wheel hub; 3. Support plate;

[0027] 4. Limiting assembly; 41. Limiting housing; 42. Push rod; 43. Universal joint; 44. Sleeve;

[0028] 5. Adjustment assembly; 51. Slide rail; 52. Lead screw; 53. Mounting housing; 54. Slider; 55. Connecting rod;

[0029] 6. Buffer assembly; 61. Connecting plate; 62. First spring; 63. Buffer plate; 64. Extension plate; 65. Air cylinder; 66. Piston rod; 67. Support rod;

[0030] 7. Transmission components; 71. Connecting parts; 72. Rotating shaft; 73. Screw plate;

[0031] 8. Auxiliary components; 81. Groove; 82. Second spring; 83. Top plate;

[0032] 9. Raised ball. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] like Figures 1-5 As shown, this utility model provides a technical solution: a logistics bogie with a one-way limiting function, including a support plate 1, a wheel hub 2 disposed at the bottom of the support plate 1, and a receiving plate 3 disposed at the top of the support plate 1, and further including:

[0035] Limiting component 4 includes a sleeve 44 fitted on the hub 2, a universal joint 43 rotatably connected to the top of the sleeve 44, a limiting shell 41 rotatably connected to the universal joint 43, and a push rod 42 provided on the side of the bracket plate 1 near the limiting shell 41.

[0036] The buffer assembly 6 comprises a connecting plate 61 arranged at the bottom of the push rod 42, a first spring 62 connected to the connecting plate 61, a buffer plate 63 connected to the first spring 62, an extension plate 64 connected to the buffer plate 63, a support rod 67 connected to the push rod 42 and the connecting plate 61, and a gas cylinder 65 connected to the support rod 67, wherein the piston rod 66 is slidably connected in the gas cylinder 65;

[0037] The connecting plate 61 is provided with a transmission assembly 7, which comprises a connecting piece 71 connected to the connecting plate 61, a rotating shaft 72 rotatably connected to the connecting piece 71, and a lever plate 73 rotatably connected to the rotating shaft 72, wherein one side of the lever plate 73 away from the rotating shaft 72 is rotatably connected to the piston rod 66;

[0038] Specifically, when the limiting shell 41 is subjected to vibration caused by impact force, the buffer plate 63 will contract through the first spring 62, and in the contraction process, the extension plate 64 will be moved synchronously, the extension plate 64 drives the lever plate 73 to rotate through the rotating shaft 72, and in the rotation process, the piston rod 66 will perform piston movement in the gas cylinder 65, when the piston approaches the end of the stroke, the closed gas chamber is compressed, the air pressure rises sharply, forming an air cushion effect, and the kinetic energy is absorbed by the compression deformation of the gas, thereby buffering the limiting shell 41.

[0039] Further, as shown in the figure: Figure 2 The side of the sleeve shell 44 close to the hub 2 is provided with a protruding ball 9, by arranging the protruding ball 9, the friction between the limiting shell 41 and the hub 2 is increased, thereby increasing the limiting effect;

[0040] In the above scheme, the limiting assembly 4 cannot automatically move and fit with the hub 2, as shown in the figure: Figure 1 The bracket plate 1 is provided with an adjusting assembly 5, which comprises a sliding rail 51, a lead screw 52 rotatably connected in the sliding rail 51, a sliding block 54 threadedly connected to the lead screw 52, a connecting rod 55 connected to the sliding block 54, the connecting rod 55 being connected to the push rod 42, an installation shell 53 provided on the sliding rail 51, a motor arranged in the installation shell 53, the lead screw 52 being connected to the output end of the motor, the motor being turned on to drive the lead screw 52 to rotate in the sliding rail 51, the lead screw 52 driving the sliding block 54 to slide in the sliding rail 51, the sliding block 54 driving the push rod 42 to move, the push rod 42 driving the limiting shell 41 to rotate through the universal shaft 43, so that the protruding ball 9 fits with the hub 2 to one-way limit the hub 2;

[0041] In the above scheme, the vibration of the goods during the logistics transportation is transmitted to the bracket plate 1 through the supporting plate 3, which is easy to cause damage to the parts, as shown in the figure: Figure 2As shown: the support plate 1 is provided with auxiliary assembly 8, auxiliary assembly 8 includes recess 81 in the support plate 1, the recess 81 is provided with the second spring 82, the top of second spring 82 is connected with the top plate 83, the top of top plate 83 is connected with the bearing plate 3, the second spring 82 is provided with damping, through the damping inside the second spring 82, the impact force caused by goods can be effectively buffered;

[0042] The working principle of the utility model provides: Figures 1-5 As shown: first, the motor is started to drive the screw rod 52 to rotate in the slide rail 51, the screw rod 52 drives the sliding block 54 to slide in the slide rail 51, the sliding block 54 drives the push rod 42 to move, the push rod 42 drives the limiting shell 41 to rotate through the universal shaft 43, so that the convex ball 9 is attached to the wheel hub 2 and the wheel hub 2 is unidirectionally limited, when the limiting shell 41 is impacted and vibrates, the buffer plate 63 will be driven to shrink through the first spring 62, in the shrinking process, the extension plate 64 will be synchronously driven to move, the extension plate 64 drives the lever plate 73 to rotate through the rotating shaft 72, in the rotating process, the piston rod 66 will be driven to move in the air cylinder 65, when the piston approaches the end of stroke, the closed air chamber is compressed, the air pressure is sharply increased, the air cushion effect is formed, the kinetic energy is absorbed through the compression deformation of the gas, so that the limiting shell 41 is buffered.

[0043] The above only is the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed as above with the preferred embodiment, however, is not used to limit the utility model, any person skilled in the art can make some changes or modifications to the equivalent embodiment of equivalent change within the scope of the technical scheme of the utility model by the above prompt technical content, the implementation scheme in the above embodiment can be further combined or replaced, but as long as it does not deviate from the technical scheme of the utility model, according to the technical essence of the utility model, any simple modification, equivalent change and modification of the above embodiment are still within the scope of the utility model.

Claims

1. A logistics turning frame with one-way limiting function, comprising a support plate (1), a hub (2) arranged at the bottom of the support plate (1), and a receiving plate (3) arranged at the top of the support plate (1), characterized in that, Also includes: The limiting assembly (4) includes a sleeve shell (44) sleeved on the hub (2), a universal shaft (43) is rotatably connected to the top of the sleeve shell (44), and a limiting shell (41) is rotatably connected to the universal shaft (43); a push rod (42) is arranged on one side of the support plate (1) close to the limiting shell (41); The buffer assembly (6) includes a connecting plate (61) arranged at the bottom of the push rod (42), a first spring (62) connected to the connecting plate (61), a buffer plate (63) connected to the first spring (62), an extension plate (64) connected to the buffer plate (63), and a support rod (67) connected to the push rod (42) and the connecting plate (61), a gas cylinder (65) connected to the support rod (67), and a piston rod (66) slidably connected in the gas cylinder (65).

2. The logistics turning frame with one-way limiting function according to claim 1, characterized in that: The connecting plate (61) is provided with a transmission assembly (7), the transmission assembly (7) includes a connecting piece (71) connected to the connecting plate (61), a rotating shaft (72) rotatably connected to the connecting piece (71), and a lever plate (73) rotatably connected to the rotating shaft (72), and the lever plate (73) is rotatably connected to the piston rod (66) away from the rotating shaft (72).

3. The one-way limiting function logistics turning frame according to claim 1, characterized in that: The support plate (1) is provided with an adjusting assembly (5), the adjusting assembly (5) includes a sliding rail (51), a lead screw (52) rotatably connected in the sliding rail (51), a sliding block (54) threadedly connected to the lead screw (52), a connecting rod (55) connected to the sliding block (54), and the connecting rod (55) is connected to the push rod (42).

4. The logistics turning frame with one-way limiting function according to claim 3, characterized in that: The sliding rail (51) is provided with a mounting shell (53), a motor is arranged in the mounting shell (53), and the lead screw (52) is connected to the output end of the motor.

5. The one-way limiting function logistics turning frame according to claim 1, characterized in that: The support plate (1) is provided with an auxiliary assembly (8), the auxiliary assembly (8) includes a recess (81) opened in the support plate (1), a second spring (82) arranged in the recess (81), a top plate (83) connected to the top of the second spring (82), and the top plate (83) is connected to the receiving plate (3), and the second spring (82) is provided with a damper.

6. The one-way limiting function logistics turning frame according to claim 1, characterized in that: The sleeve shell (44) is provided with a convex ball (9) close to the hub (2).

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