Split type supporting device of semitrailer
By designing a split-type support device, the angle and height of the support arm and foot assembly are adjusted using a motor and cylinder, solving the problem of unstable support for semi-trailers on slopes and achieving stable support and convenient maintenance.
Patent Information
- Application Number
- CN202520413298.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Existing semi-trailer support devices are unstable on slopes and are inconvenient to inspect and maintain.
A split-type support device was designed, including a support arm mechanism, an adjustment component, and a support foot component. Through the cooperation of a motor, a cylinder, and a connecting shaft, the angle and height can be adjusted to adapt to different slopes and improve the support stability.
It achieves stable support for semi-trailers on slopes, improves the stability of loading and unloading cargo, and facilitates daily inspection and maintenance.
Smart Images

Figure CN223750828U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to supporting device technical field especially relates to a kind of semi-trailer split type supporting device. BACKGROUND
[0002] Semi-trailer is axle is placed in the center of gravity of vehicle rear, and is equipped with the coupling device of the horizontal and vertical force transmission to tractor trailer. Semi-trailer is generally three-axle semi-trailer, its kind is divided into eleven meters warehouse fence semi-trailer, thirteen meters warehouse fence, low flatbed semi-trailer and many kinds. It is through the traction pin and semi-trailer head connection a kind of heavy transport vehicle.
[0003] The existing semi-trailer supporting device, generally including telescopic support leg driven by power mechanism and support leg bottom setting support leg, in actual production process, support leg is often fixedly welded with support leg into integral, it is inconvenient to daily overhaul and maintenance to supporting device, while the existing semi-trailer supporting device is mostly supported vertically, and semi-trailer is also encountered slope section when loading and unloading goods, vertical support cannot be well adapted to the slope of road surface when slope road surface, to cause the situation that semi-trailer is not supported enough stably. For this reason, we specially propose a kind of semi-trailer split type supporting device. SUMMARY
[0004] The utility model aims at the problems in the background art, proposes a kind of semi-trailer split type supporting device.
[0005] The utility model discloses a kind of semi-trailer split type supporting device, including supporting arm mechanism, the supporting arm mechanism includes motor, the output end of the motor is connected with stress block, the stress block one side is provided with reinforcing connection shaft, the reinforcing connection shaft is provided with adjusting assembly on the end far from stress block, the adjusting assembly includes connecting block, the both sides of the connecting block are provided with limit side plate, the bottom of the connecting block both sides is provided with pneumatic cylinder, the pneumatic cylinder is provided with supporting foot assembly on the end far from connecting block, the supporting foot assembly includes stress foot body, the bottom of the stress foot body is provided with bottom shell.
[0006] Preferably, the motor is provided with a protective shell outside, and the mounting end of the motor is installed in the inner cavity of the protective shell. One end of the protective shell is provided with an assembly ring, which can be assembled with the semi-trailer.
[0007] Preferably, one end of the reinforcing connection shaft is installed on one side of the stress block, and the other end of the reinforcing connection shaft is installed on one side of the connecting block.
[0008] Preferably, the connecting block is provided with a connecting side ear on both sides, and one end of the two sets of limit side plates is installed in the inner wall of the connecting side ear. The limit side plates are arranged in a rhombus shape.
[0009] Preferably, a mounting slot is arranged at the middle position of the force receiving foot body, a connecting rotating shaft is arranged in the mounting slot, a mounting hole is arranged at the end of the limiting side plate away from the connecting block, and the mounting hole is arranged in correspondence with one end of the connecting rotating shaft.
[0010] Preferably, a bearing is arranged at the outer ring of one end of the connecting rotating shaft, and the outer ring of the bearing is arranged in correspondence with the inner wall of the mounting slot.
[0011] Preferably, a mounting block is arranged at the lower side of the connecting block, a connecting hole is arranged in the mounting block, and the output end of the air cylinder is arranged in correspondence with the connecting hole.
[0012] Preferably, a mounting hole is arranged at the two sides of the mounting slot of the force receiving foot body, and the mounting end of the air cylinder is arranged in correspondence with the mounting hole.
[0013] Preferably, the bottom shell is arranged in a U shape, a plurality of bearings are arranged at the two sides of the force receiving foot body, a positioning hole is arranged at the position of the bearing in the inner wall of the bottom shell, and the bearing is arranged in correspondence with the positioning hole.
[0014] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:
[0015] The utility model discloses a whole simple structure, through the setting of the supporting arm mechanism, the adjusting assembly and the supporting foot assembly in the split state, the routine overhaul and maintenance of the supporting device are convenient, and the supporting arm mechanism, the adjusting assembly and the supporting foot assembly are set in the ergonomics state, so that the supporting device can adapt to different slope surfaces and support the semitrailer for operation, and compared with the traditional vertical supporting device, the semitrailer can be better supported with strong supporting capacity, thereby improving the stability of the semitrailer in loading and unloading goods on the slope surface. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the whole structural schematic diagram of the utility model;
[0017] Figure 2 It is the structural schematic diagram of the supporting arm mechanism in the utility model;
[0018] Figure 3 It is the structural schematic diagram of the adjusting assembly in the utility model;
[0019] Figure 4 It is the structural schematic diagram of the supporting foot assembly in the utility model.
[0020] Label: 1, support arm mechanism; 11, motor; 12, stress block; 13, reinforcing connecting shaft; 14, protective shell; 15, assembly ring; 2, adjusting assembly; 21, connecting block; 22, limiting side plate; 23, air cylinder; 24, assembly block; 25, connecting side ear; 26, assembly hole; 3, support foot assembly; 31, stress foot body; 32, bottom shell; 33, connecting rotating shaft; 34, bearing; 35, mounting hole. DETAILED DESCRIPTION
[0021] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments. EMBODIMENT
[0022] As Figures 1-4 shown, the utility model provides a kind of semitrailer split type supporting device, including support arm mechanism 1, support arm mechanism 1 includes motor 11, the outside of motor 11 is provided with protective shell 14, the mounting end of motor 11 is installed with the inner cavity of protective shell 14, the mounting end of motor 11 is fixedly connected with protective shell 14, the setting of protective shell 14 can protect motor 11, one end of protective shell 14 is provided with assembly ring 15, the mounting end of assembly ring 15 is fixedly connected with one side of protective shell 14, assembly ring 15 can be assembled with semitrailer, the setting of assembly ring 15 is convenient for operator to quickly disassemble and assemble this device, it is convenient for routine overhaul and maintenance, the output end of motor 11 is connected with stress block 12, the output end of motor 11 is fixedly connected with one side of stress block 12, one side of stress block 12 is provided with reinforcing connecting shaft 13, one end of reinforcing connecting shaft 13 is installed with one side of stress block 12, one end of reinforcing connecting shaft 13 is fixedly connected with one side of stress block 12, the setting of reinforcing connecting shaft 13 can make support arm mechanism 1 and adjusting assembly 2 more stable when being assembled, the setting of support arm mechanism 1 can make this device angle adjustment by motor 11, so that it can better adapt to different operation conditions required;
[0023] The end of the reinforced connecting shaft 13 away from the stress block 12 is provided with an adjusting assembly 2, the adjusting assembly 2 comprises a connecting block 21, the other end of the reinforced connecting shaft 13 is installed on one side of the connecting block 21 in correspondence, one end of the reinforced connecting shaft 13 is fixedly connected with one side of the connecting block 21, both sides of the connecting block 21 are provided with limiting side plates 22, both sides of the connecting block 21 are provided with connecting side ears 25, the connecting side ears 25 are fixedly connected with the connecting block 21, one end of the two sets of limiting side plates 22 is installed on the inner wall of the connecting side ear 25 in correspondence, one end of the limiting side plate 22 is fixedly connected with the connecting side ear 25 and the connecting block 21 respectively, the connecting side ear 25 leaves an assembly gap between the connecting block 21 when in an assembled state, the connecting side ear 25 can make the limiting side plate 22 and the connecting block 21 more stable when in an assembled state, the limiting side plate 22 is in a rhombus shape, the rhombus-shaped limiting side plate 22 has better compression resistance, thereby better supporting the semitrailer, the bottom of the connecting block 21 is provided with air cylinders 23 on both sides, the lower side of the connecting block 21 is provided with assembly blocks 24 on both sides, the installation end of the assembly block 24 is fixedly connected with the connecting block 21, the assembly block 24 is provided with a connecting hole, the output end of the air cylinder 23 is installed on the connecting hole in correspondence, the output end of the air cylinder 23 is rotatably connected with the connecting hole, the two sets of air cylinders 23 can cooperate with each other to adjust the supporting angle of the supporting foot assembly 3, thereby the supporting foot assembly 3 can better adapt to different lower slopes, thereby the semitrailer can be more stable when loading and unloading goods;
[0024] A support foot assembly 3 is provided at the end of the cylinder 23 away from the connecting block 21. The support foot assembly 3 includes a force-bearing foot body 31. An assembly groove is provided at the middle position of the force-bearing foot body 31. A connecting shaft 33 is provided in the assembly groove. An assembly hole 26 is provided at the end of the limiting side plate 22 away from the connecting block 21. The assembly hole 26 is installed corresponding to one end of the connecting shaft 33. The inner wall of the assembly hole 26 is fixedly connected to the outer ring of one end of the connecting shaft 33. A sleeve is provided on the outer ring of one end of the connecting shaft 33. Bearing 34, the inner ring of bearing 34 is fixedly connected to the outer ring of one end of connecting shaft 33, and the outer ring of bearing 34 is installed correspondingly to the inner wall of the assembly groove. Mounting holes 35 are provided on both sides of the mounting groove on the force-bearing foot 31. The mounting end of cylinder 23 is installed correspondingly to the mounting hole 35 and is rotatably connected to the mounting hole 35. The two sets of cylinders 23 can adjust the tilt angle of the force-bearing foot 31 through the mounting holes 35. The support foot assembly 31 is ergonomically designed with a base shell 32 below it. The base shell 32 is U-shaped, and multiple sets of bearings 34 are provided on both sides of the support foot assembly 31. The mounting ends of the bearings 34 are fixedly connected to the support foot assembly 31. The inner wall of the base shell 32 has positioning holes corresponding to the positions of the bearings 34. The bearings 34 are installed in accordance with the positioning holes and are fixedly connected to them. The base shell 32 increases the contact area between the support foot assembly 31 and the ground, making the support foot assembly 3 more stable when supporting the semi-trailer. The support foot assembly 3 can be tilted by adjusting the tilt angle of the adjustment component 2, so as to better adapt to different slopes and provide better stable support for the semi-trailer. The ergonomic arrangement of the support arm mechanism 1, the adjustment component 2, and the support foot assembly 3 provides stronger support for the semi-trailer than traditional vertical support devices, thereby improving the stability of the semi-trailer when loading and unloading goods on slopes.
[0025] In this embodiment, when the semi-trailer needs to load and unload goods, the operator first powers on the motor 11 and cylinder 23. The motor 11 drives the force block 12 to rotate. The rotation of the force block 12 drives the adjustment component 2 and the support foot component 3 to rotate through the reinforcing connecting shaft 13. This causes the bottom shell 32 to rotate to an angle that matches the ground slope, after which the motor 11 stops working. At this time, the cylinder 23 works, and the two sets of cylinders 23 adjust the height of the support foot component 3. Then, through the cooperation of the two sets of cylinders 23, the angle of the force foot 31 is adjusted by the limiting side plate 22, so that the force foot 31 drives the bottom surface of the bottom shell 32 to fit together. At this time, the tilt angle of the bottom shell 32 matches the ground slope. Finally, the two sets of cylinders 23 extend at the same time to provide stable support for the semi-trailer, thereby completing the support operation for the semi-trailer when loading and unloading goods.
[0026] The above specific embodiments are only preferred embodiments of the present application, and based on the technical scheme of the present application and the related enlightenment of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.
Claims
1. A semi-trailer split bearing arrangement comprising a bearing arm mechanism (1), characterised in that: The supporting arm mechanism (1) comprises a motor (11), the output end of the motor (11) is connected with a stress block (12), one side of the stress block (12) is provided with a reinforcing connecting shaft (13), one end of the reinforcing connecting shaft (13) away from the stress block (12) is provided with an adjusting assembly (2), the adjusting assembly (2) comprises a connecting block (21), both sides of the connecting block (21) are provided with limiting side plates (22), both sides of the bottom of the connecting block (21) are provided with air cylinders (23), one end of the air cylinder (23) away from the connecting block (21) is provided with a supporting foot assembly (3), the supporting foot assembly (3) comprises a stress foot body (31), the bottom of the stress foot body (31) is provided with a bottom shell (32).
2. A semi-trailer split bearing assembly according to claim 1 wherein, The motor (11) is externally provided with a protective shell (14), the mounting end of the motor (11) is correspondingly mounted in the inner cavity of the protective shell (14), one end of the protective shell (14) is provided with an assembly ring (15), the assembly ring (15) can be assembled with a semitrailer.
3. A semi-trailer split bearing assembly according to claim 1 wherein, One end of the reinforcing connecting shaft (13) is correspondingly mounted on one side of the stress block (12), the other end of the reinforcing connecting shaft (13) is correspondingly mounted on one side of the connecting block (21).
4. A semi-trailer split bearing assembly according to claim 1 wherein, Both sides of the connecting block (21) are provided with connecting side ears (25), one end of the two groups of limiting side plates (22) is correspondingly mounted on the inner wall of the connecting side ear (25), and the limiting side plate (22) is in a rhombus shape.
5. A semi-trailer split bearing assembly as claimed in claim 1, wherein, A connecting shaft (33) is arranged in the assembly groove in the middle position of the stress foot body (31), an assembly hole (26) is formed in one end of the limiting side plate (22) away from the connecting block (21), and the assembly hole (26) is correspondingly mounted on one end of the connecting shaft (33).
6. A semi-trailer split bearing assembly according to claim 5 wherein, A bearing (34) is arranged on the outer ring of one end of the connecting shaft (33), and the outer ring of the bearing (34) is correspondingly mounted on the inner wall of the assembly groove.
7. The semi-trailer split support device of claim 1, wherein, Both sides of the bottom of the connecting block (21) are provided with assembly blocks (24), the assembly blocks (24) are provided with connecting holes, and the output ends of the air cylinders (23) are correspondingly mounted in the connecting holes.
8. The semi-trailer split support device of claim 1, wherein, Mounting holes (35) are formed in both sides of the assembly groove in the stress foot body (31), and the mounting ends of the air cylinders (23) are correspondingly mounted in the mounting holes (35).
9. The semi-trailer split support device of claim 1, wherein, The bottom shell (32) is in a "U" shape, a plurality of bearings (34) are arranged on both sides of the stress foot body (31), positioning holes are formed in the inner wall of the bottom shell (32) at positions corresponding to the bearings (34), and the bearings (34) are correspondingly mounted in the positioning holes.