Container skeleton transport semitrailer tail shifter
By designing a protective frame and partition assembly at the rear of a container skeleton transport semi-trailer, and using a motor-driven pulley assembly to drive a bidirectional screw, the partition can be moved to form a protective space, thus solving the problem of poor protective effect of existing devices and extending their service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YOST (SHANDONG) AUTOMOBILE MANUFACTURING CO LTD
- Filing Date
- 2025-09-03
- Publication Date
- 2026-06-19
AI Technical Summary
When using existing container skeleton semi-trailers, the rear-end maneuvering device is exposed to the external environment, resulting in poor protection and affecting its service life.
A rear-end repositioning device for a container skeleton transport semi-trailer was designed, comprising components such as a protective frame, mounting plate, support components, hydraulic cylinder, air cylinder, partition, and motor. The motor drives a pulley assembly to drive a bidirectional screw, thereby enabling the horizontal movement of the partition, forming a protective space to protect the hydraulic cylinder, air cylinder, and other components. The partition is then fixed to the rear of the semi-trailer by a bolt and nut assembly.
The lifespan of the device is improved by protecting the components from damage caused by the external environment through the protective frame and partitions.
Smart Images

Figure CN224375550U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vehicle technology, specifically to a rear-end repositioning device for a container skeleton transport semi-trailer. Background Technology
[0002] During the turning process of a semi-trailer, a corresponding vehicle-moving device is required. Referring to the authorization announcement number CN211468405U, a hydraulic self-moving device for the rear of a semi-trailer includes a mounting plate, a lifting mechanism, and an adjustment mechanism. The mounting plate is set between the two longitudinal beams of the semi-trailer to facilitate the movement of the rear of the semi-trailer, and also has the function of adjusting the position of the lifting mechanism. As described in the above patent, when using existing container skeleton transport semi-trailer rear-moving devices, most of the devices are difficult to store and protect the moving end before and after moving the vehicle according to the user's needs. The moving end of the device is directly exposed to the external environment, which affects the service life of the device. Utility Model Content
[0003] To address the shortcomings of existing technologies, this utility model provides a rear-end repositioning device for container skeleton transport semi-trailers, which solves problems such as poor protection at the repositioning end of the device and reduced service life.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a rear-end repositioning device for a container skeleton transport semi-trailer, comprising a protective frame installed at the rear of the semi-trailer, wherein the protective frame is connected to auxiliary components for assisting in repositioning the rear of the container skeleton transport semi-trailer, the auxiliary components comprising:
[0005] The mounting plate is fixedly connected to the top of the protective frame for device installation;
[0006] A support component, installed on a protective frame for adjusting the position of the moving end, includes an array of bolt and nut assemblies installed on the edge of the protective frame. A hydraulic cylinder is rotatably connected to the bottom right end of the mounting plate. A pneumatic cylinder connected to the cylinder barrel end of the hydraulic cylinder is rotatably connected to the lower center of the mounting plate. Two sets of partitions are slidably connected to the bottom of the protective frame. An adjusting component for adjusting the horizontal position of the two sets of partitions is connected to the right side of the protective frame. The adjusting component includes a bidirectional screw rod rotatably connected to the protective frame and threadedly connected to the two sets of partitions respectively. A motor is fixedly connected to the inner right end of the protective frame. A pulley assembly connected to the bidirectional screw rod is connected to the rear output end of the motor.
[0007] A support plate is rotatably connected to the bottom of the extended end of the hydraulic cylinder to support the ground.
[0008] The support frame is installed on the outside of the protective frame and connected to the bolt and nut assembly.
[0009] Preferably, the bolts in the bolt and nut assembly are slidably connected to the mounting plate and the support frame, respectively, and the nuts in the bolt and nut assembly are threadedly connected to the bottom of the bolts.
[0010] Preferably, both the hydraulic cylinder and the pneumatic cylinder are inclinedly arranged on the underside of the mounting plate, and the extended end of the pneumatic cylinder is rotatably connected to the cylinder barrel end of the hydraulic cylinder.
[0011] Preferably, the support plate is located on the upper side of the partition, and a set of anti-detachment blocks are respectively provided on the front and rear sides of the partition.
[0012] Preferably, the motor output end is coaxially and fixedly connected to the driving pulley in the pulley assembly, the driven pulley in the pulley assembly is coaxially and fixedly connected to the bidirectional screw, and the pulley assembly is located at the rear end of the outer side of the protective frame.
[0013] Preferably, the motor is a servo motor, and the bidirectional screw is made of stainless steel and located inside the protective frame.
[0014] Beneficial effects
[0015] This utility model provides a rear-end maneuvering device for a container skeleton transport semi-trailer. Compared with the prior art, it has the following advantages:
[0016] (1) The container skeleton transport semi-trailer rear moving device, by setting adjustment parts and partitions in the device, allows the motor and pulley assembly to cooperate to drive the bidirectional screw to rotate and drive the two sets of partitions to move horizontally, thereby adjusting the opening state of the bottom of the protective frame, which helps the hydraulic cylinder and support plate to extend and retract. The protective frame, mounting plate and the two sets of partitions form a protective space to protect the hydraulic cylinder, air cylinder and support plate, and improve the service life of the equipment.
[0017] (2) The container skeleton transport semi-trailer rear moving device, by setting bolt and nut assembly in the device, allows the bolt and nut assembly to cooperate with the mounting plate and support frame to fix the entire device in a suitable position at the rear of the semi-trailer, which facilitates the overall loading and unloading of the device. Attached Figure Description
[0018] Figure 1 This is a sectional perspective view of the present invention;
[0019] Figure 2 This is an enlarged view of the adjusting component of this utility model;
[0020] Figure 3 This is an enlarged view of the partition of this utility model;
[0021] Figure 4 This is a perspective view of the present invention.
[0022] In the diagram: 1. Protective frame; 2. Mounting plate; 3. Support component; 31. Bolt and nut assembly; 32. Hydraulic cylinder; 33. Pneumatic cylinder; 34. Adjusting component; 341. Motor; 342. Pulley assembly; 343. Double-acting screw; 35. Partition plate; 4. Support plate; 5. Support frame. Detailed Implementation
[0023] 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.
[0024] refer to Figure 1-4 This utility model provides the following two technical solutions:
[0025] First implementation: A container skeleton transport semi-trailer rear relocation device includes a protective frame 1 installed at the rear of the semi-trailer. The protective frame 1 is connected to an auxiliary component for assisting in relocating the rear of the container skeleton transport semi-trailer. The auxiliary component includes a mounting plate 2, which is fixedly connected to the top of the protective frame 1 for device installation.
[0026] Support component 3 is installed on the protective frame 1 for adjusting the position of the moving end. Support component 3 includes a series of bolt and nut assemblies 31 installed on the edge of the protective frame 1. A hydraulic cylinder 32 is rotatably connected to the bottom right end of the mounting plate 2. A cylinder 33 connected to the cylinder end of the hydraulic cylinder 32 is rotatably connected to the lower middle part of the mounting plate 2. Two sets of partitions 35 are slidably connected to the bottom of the protective frame 1. An adjusting component 34 for adjusting the horizontal position of the two sets of partitions 35 is connected to the right side of the protective frame 1. The adjusting component 34 includes a bidirectional screw 343 that is rotatably connected to the protective frame 1 and threadedly connected to the two sets of partitions 35 respectively. A motor 341 is fixedly connected to the inner right end of the protective frame 1. A pulley assembly 342 connected to the bidirectional screw 343 is connected to the rear output end of the motor 341.
[0027] Support plate 4 is rotatably connected to the bottom of the extended end of hydraulic cylinder 32 to support the ground; support frame 5 is installed on the outside of protective frame 1 and connected to bolt and nut assembly 31; hydraulic cylinder 32 and air cylinder 33 are both inclinedly arranged on the lower side of mounting plate 2, and the extended end of air cylinder 33 is rotatably connected to the cylinder end of hydraulic cylinder 32; support plate 4 is located on the upper side of partition plate 35, and a set of anti-detachment block motor 341 is provided on the front and rear sides of partition plate 35, and the output end of motor 341 is coaxially and fixedly connected to the active belt pulley in pulley assembly 342; the driven belt pulley in pulley assembly 342 is coaxially and fixedly connected to bidirectional screw 343; pulley assembly 342 is located at the rear end of the outer side of protective frame 1.
[0028] Motor 341 is a servo motor. The bidirectional screw 343 is made of stainless steel and is located inside the protective frame 1. The hydraulic cylinder 32, air cylinder 33, and motor 341 are all electrically connected to the control console inside the semi-trailer. The air supply and oil supply ends for controlling the operation of air cylinder 33 and hydraulic cylinder 32 are existing technologies, so their specific connection steps, connecting components, and working principles will not be described in detail. Motor 341 works with pulley assembly 342 to drive the bidirectional screw 343 to rotate. Rotating the bidirectional screw 343 drives the two sets of partitions 35 to move horizontally, thereby adjusting the opening state at the bottom of the protective frame 1. The protective frame 1, mounting plate 2, and two sets of partitions 35 form a protective space to protect the hydraulic cylinder 32, air cylinder 33, and support plate 4.
[0029] The main difference between the second implementation method and the first implementation method is that:
[0030] The bolts inside the bolt and nut assembly 31 are slidably connected to the mounting plate 2 and the support frame 5 respectively. The nuts inside the bolt and nut assembly 31 are threadedly connected to the bottom of the bolts, so that the bolt and nut assembly 31, the mounting plate 2, and the support frame 5 cooperate with each other to fix the entire device in a suitable position at the rear of the semi-trailer.
[0031] Furthermore, all content not described in detail in this specification is existing technology known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited; conventional equipment can be used.
[0032] In use, the user starts the motor 341, which drives the pulley assembly 342 to operate. The pulley assembly 342 drives the bidirectional screw 343 to rotate. The rotating bidirectional screw 343 drives the two sets of partitions 35 to move in opposite directions. After the bottom of the protective frame 1 is opened, the cylinder 33 drives the hydraulic cylinder 32 and the support plate 4 to rotate. The hydraulic cylinder 32 rotates to a suitable angle and is activated. The hydraulic cylinder 32 drives the support plate 4 to extend. After the support plate 4 contacts the ground and lifts the entire device and the rear of the semi-trailer, the rear of the semi-trailer is turned. This is existing technology, so the specific turning operation steps and principles will not be described in detail. After the turning is completed, all parts are reset.
[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A rear-end maneuvering device for a container skeleton transport semi-trailer, comprising a protective frame (1) installed at the rear of the semi-trailer, characterized in that: The protective frame (1) is connected to an auxiliary component for assisting in the rear movement of the container skeleton transport semi-trailer, the auxiliary component including: Mounting plate (2) is fixedly connected to the top of the protective frame (1) for device installation; A support component (3) is installed on the protective frame (1) for adjusting the position of the moving end. The support component (3) includes a series of bolt and nut assemblies (31) installed on the edge of the protective frame (1). A hydraulic cylinder (32) is rotatably connected to the bottom right end of the mounting plate (2). A cylinder (33) connected to the cylinder end of the hydraulic cylinder (32) is rotatably connected to the middle of the lower side of the mounting plate (2). Two sets of partitions (35) are slidably connected to the bottom of the protective frame (1). An adjusting component (34) for adjusting the horizontal position of the two sets of partitions (35) is connected to the right side of the protective frame (1). The adjusting component (34) includes a bidirectional screw (343) rotatably connected to the protective frame (1) and threadedly connected to the two sets of partitions (35) respectively. A motor (341) is fixedly connected to the inner right end of the protective frame (1). A pulley assembly (342) connected to the bidirectional screw (343) is connected to the rear output end of the motor (341). The support plate (4) is rotatably connected to the bottom of the extended end of the hydraulic cylinder (32) to support the ground; The support frame (5) is installed on the outside of the protective frame (1) and connected to the bolt and nut assembly (31).
2. The container skeleton transport semi-trailer rear-end repositioning device according to claim 1, characterized in that: The bolts in the bolt and nut assembly (31) are slidably connected to the mounting plate (2) and the support frame (5), respectively, and the nuts in the bolt and nut assembly (31) are threadedly connected to the bottom of the bolts.
3. The container skeleton transport semi-trailer rear-end repositioning device according to claim 1, characterized in that: The hydraulic cylinder (32) and the air cylinder (33) are both inclinedly arranged on the lower side of the mounting plate (2), and the extended end of the air cylinder (33) is rotatably connected to the cylinder end of the hydraulic cylinder (32).
4. The container skeleton transport semi-trailer rear-end repositioning device according to claim 1, characterized in that: The support plate (4) is located on the upper side of the partition (35), and a set of anti-detachment blocks are provided on the front and rear sides of the partition (35).
5. The container skeleton transport semi-trailer rear-end repositioning device according to claim 1, characterized in that: The output end of the motor (341) is coaxially and fixedly connected to the active pulley in the pulley assembly (342). The driven pulley in the pulley assembly (342) is coaxially and fixedly connected to the bidirectional screw (343). The pulley assembly (342) is located at the rear end of the outer side of the protective frame (1).
6. The container skeleton transport semi-trailer rear-end repositioning device according to claim 5, characterized in that: The motor (341) is a servo motor, and the bidirectional screw (343) is made of stainless steel and is located inside the protective frame (1).
Citation Information
Patent Citations
Hydraulic self-moving device at tail of semitrailer
CN211468405U