Semitrailer supporting device
By designing the hydraulic pressure relief and telescopic structure in the box and combining with the pressure detector, the pressure dispersion and real-time adjustment of the semi-trailer support device when the locking member fails, the stability and safety of the device are improved.
Patent Information
- Application Number
- CN202421837184.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The existing semi-trailer support device cannot disperse the pressure when the locking member fails, and lacks real-time pressure detection and adjustment functions.
A semi-trailer support device including a box, a support frame, a hydraulic shaft, a support plate, a telescopic shaft, a pressure detector and other components is designed. Through hydraulic shaft pressure relief, a telescopic shaft height adjustment, a pressure detector real-time monitoring, and a radiator and a temperature and humidity detector, pressure dispersion and real-time adjustment are achieved.
Effectively disperse pressure, ensure device stability, prevent rollover, provide real-time pressure detection and adjustment, and improve operational safety and efficiency.
Smart Images

Figure CN223132036U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of semi-trailer supports, and particularly relates to a semi-trailer support device. Background Art
[0002] The semi-trailer support device plays an important role in large freight vehicles. Especially when parking and loading, it can effectively support the stability and safety of the vehicle. The support device must be designed to be able to firmly support the semi-trailer and prevent tilting or collapse when parked or not connected to the trailer. This requires considering the structural strength, stability and weight distribution of the device. Most support devices are designed to be height-adjustable to adapt to different types of ground and trailer connection points at different heights. This design allows the driver to adjust the height as needed to ensure the stability of the semi-trailer on different terrains. The support device is usually made of high-strength steel or aluminum alloy to ensure sufficient load-bearing capacity and durability. These materials can maintain stability and long service life under heavy loads and harsh environmental conditions. The design should take into account the convenience and safety of the operator, and usually includes an easily accessible manual operation mechanism or an electric adjustment system. This makes it simple and fast to adjust the height of the support device. Considering that semi-trailers often face various weather conditions and road environments, the surface of the support device is usually treated against corrosion and rust to extend its service life and reduce maintenance requirements. To ensure that the support device will not accidentally fold or loosen during use, the design usually includes a safety locking mechanism. These mechanisms can keep the support device safely locked at the selected height to prevent accidental movement or change. Some advanced support devices may integrate intelligent sensors and remote monitoring technologies so that the operator can remotely monitor the status of the support device and the adjustment needs, improving operation efficiency and safety. The design and technological progress of the semi-trailer support device not only improve the operation efficiency and safety of freight vehicles, but also provide a more convenient and safe working environment for drivers and operators. Therefore, a semi-trailer support device is proposed.
[0003] According to the search, the Chinese utility model publication number: CN118025085A discloses a semi-trailer support device, including a support base, a hydraulic cylinder is fixed on the support base, a support block is fixedly connected to the piston rod of the hydraulic cylinder, and the shape of the support base is trapezoidal; an inclined rod is slidably installed on the bottom surface of the support block, the inclined rod is located on one side of the hydraulic rod, an inclined block is fixed at the bottom end of the inclined rod, and the inclined block is parallel to one inclined surface of the trapezoid; a limiting device for restricting the sliding of the inclined rod is arranged on the support block. When this semi-trailer support device is in use, when the locking part of one of the support devices fails and the frame compresses the piston of the hydraulic cylinder to move downward, the inclined block will quickly abut against the inclined surface of the base of the opposite support device, and the inclined rod, the opposite support device and the frame form a triangular structure, so that the support frame cannot continue to move downward, thus effectively solving the technical problems mentioned in the background art.
[0004] However, when implementing the above technical solutions, the following problems exist: First, when the locking part of one of the support devices fails and the frame compresses the piston of the hydraulic cylinder to move downward, the inclined block will quickly abut against the inclined surface of the base of the opposite support device, and the inclined rod, the opposite support device and the frame form a triangular structure, so that the support frame cannot continue to move downward. However, this device does not have a sufficient hydraulic device to disperse the pressure borne by the device, resulting in a low pressure borne by the device; Second, the existing device does not have a device for real-time detection of the pressure borne by the device, and it is impossible to make timely adjustments to the pressure changes. Utility Model Content
[0005] The purpose of the present utility model is to provide a semi-trailer support device to solve the problems raised in the above background art.
[0006] To achieve the above object, the present utility model provides the following technical solution: A semi-trailer support device, including a box body and a support device, a support frame is arranged on the bottom surface of the box body, support devices are arranged inside and outside the box body, a limit base is arranged in the middle of the top surface of the box body, a hydraulic shaft is arranged on the top surface of the limit base, a support plate is arranged on the top surface of the hydraulic shaft, a telescopic shaft is arranged on the top surface of the support plate, a pressure detector is arranged on the bottom surface of the support frame, and a radiator is arranged on the bottom surface inside the box body.
[0007] Preferably, the support frame is welded to the bottom surface of the box body, a display screen is fixedly installed on the front surface of the box body, and an operation button is fixedly installed on the right side of the display screen.
[0008] Preferably, a support pile is welded to the top surface of the box body, a limit base is fixedly installed in the middle of the top surface of the box body, the hydraulic shaft is inserted and connected to the top surface of the limit base, and the support plate is welded to the top surface of the hydraulic shaft.
[0009] Preferably, a telescopic shaft is inserted and connected to the top surface of the support plate. A balance rod is sleeved outside the telescopic shaft. Clamping blocks are fixedly installed on both sides of the balance rod. A buffer shaft is inserted and connected to the end of the balance rod. A connecting block is welded to the top surface of the telescopic shaft. Support rods are inserted and connected to both sides of the connecting block.
[0010] Preferably, a pressure detector is fixedly installed on the bottom surface of the support frame. A telescopic block is welded to the end of the support frame. A support leg is inserted and connected to the inside of the telescopic block. An anti-slip pad is adhesively connected to the bottom surface of the support leg.
[0011] Preferably, a radiator is fixedly installed on the bottom surface inside the box body. A temperature and humidity detector is fixedly installed on the right side of the radiator.
[0012] Preferably, a motor is fixedly installed behind the temperature and humidity detector. A power box is fixedly installed on the left side of the motor. A transmission shaft is fixedly installed inside the power box.
[0013] Preferably, a frequency converter is fixedly installed on the left side of the power box. A power supply is fixedly installed behind the frequency converter.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] 1. The present utility model dissipates heat inside the device through the radiator. The temperature and humidity detector is used to detect the temperature and humidity changes inside the device and the surrounding environment. The motor is used to provide the required kinetic energy for the device. The power box is used to control the required kinetic energy of the device. The transmission shaft is used for the conduction of kinetic energy. The frequency converter is used to control the required voltage frequency of the device. The power supply is used to provide the required electric energy for the device. The support frame at the bottom of the device is used to increase the stability of the bottom surface of the device. The telescopic block is used to control the telescoping of the support leg to adjust the height of the device. The support leg is used to support the whole device to increase the stability of the device. The anti-slip pad is used to prevent the device from sliding.
[0016] 2. The present utility model controls the device through the operation button. The display screen is used to display the operating state of the device and the change of the pressure borne by the device. The support pile is used to support the support plate to increase its stability. The limit base is used to fixedly connect the hydraulic shaft. The hydraulic shaft is used to relieve the pressure on the upper support plate. The support plate is used to increase the smoothness of the device. The telescopic shaft is used to adjust the height of the support rod. The balance rod is used to ensure the level of the device and prevent tipping. The clamping block is used for clamping and limiting between the device and the vehicle. The buffer shaft is used for buffering the pressure borne by the device. The connecting block is used for connecting the telescopic shaft and the support rod. The support rod can be inserted into the connection hole of the vehicle. The pressure detector is used to detect the change of the pressure borne by the device, which is convenient for timely controlling and adjusting the device. Description of the Drawings
[0017] Figure 1 This is the schematic diagram of the overall structure of the present utility model.
[0018] Figure 2 This is the schematic diagram of the top surface structure of the present utility model.
[0019] Figure 3 This is the schematic diagram of the bottom surface structure of the present utility model.
[0020] Figure 4 This is the schematic diagram of the internal structure of the present utility model.
[0021] In the figure: 1, box body; 2, support frame; 3, support device; 301, display screen; 302, operation button; 303, limit base; 304, hydraulic shaft; 305, support pile; 306, support plate; 307, telescopic shaft; 308, balance bar; 309, clamping block; 310, buffer shaft; 311, connecting block; 312, support rod; 313, pressure detector; 314, telescopic block; 315, support leg; 316, anti-slip pad; 317, radiator; 318, temperature and humidity detector; 319, motor; 320, power box; 321, transmission shaft; 322, frequency converter; 323, power supply. Specific embodiments
[0022] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0023] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0024] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0025] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0026] Please refer to Figures 1-4 , an embodiment provided by the present utility model: a semi-trailer support device, including a box body 1 and a support device 3. A support frame 2 is provided on the bottom surface of the box body 1, and a support device 3 is provided inside and outside the box body 1. A limit base 303 is provided in the middle of the top surface of the box body 1. A hydraulic shaft 305 is provided on the top surface of the limit base 304. A support plate 306 is provided on the top surface of the hydraulic shaft 305. A telescopic shaft 307 is provided on the top surface of the support plate 306. A pressure detector 313 is provided on the bottom surface of the support frame 2. A radiator 317 is provided on the bottom surface inside the box body 1.
[0027] Specifically, the support frame 2 is welded and connected to the bottom surface of the box body 1. A display screen 301 is fixedly installed on the front surface of the box body 1. An operation button 302 is fixedly installed on the right side of the display screen 301. The support frame 2 is used to increase the stability of the bottom surface of the device. The display screen 301 is used to display the operating state of the device and the change in the pressure borne by the device. The operation button 302 is used to control the device.
[0028] Specifically, a support pile 303 is welded and connected to the top surface of the box body 1. A limit base 304 is fixedly installed in the middle of the top surface of the box body 1. The hydraulic shaft 305 is inserted and connected to the top surface of the limit base 304. The support plate 306 is welded and connected to the top surface of the hydraulic shaft 305. The support pile 303 is used to support the support plate 306 and increase its stability. The limit base 304 is used to fixedly connect the hydraulic shaft 305. The hydraulic shaft 305 is used to relieve pressure on the upper support plate 306. The support plate 306 is used to increase the smoothness of the device.
[0029] Specifically, the telescopic shaft 307 is inserted and connected to the top surface of the support plate 306. A balance rod 308 is sleeved outside the telescopic shaft 307. Clamping blocks 309 are fixedly installed on both sides of the balance rod 308. A buffer shaft 310 is inserted and connected to the end of the balance rod 308. A connecting block 311 is welded and connected to the top surface of the telescopic shaft 307. Support rods 312 are inserted and connected to both sides of the connecting block 311. The telescopic shaft 307 is used to adjust the height of the support rods 312. The balance rod 308 is used to ensure the level of the device and prevent rollover. The clamping blocks 309 are used for clamping and limiting between the device and the vehicle. The buffer shaft 310 is used for buffering the pressure borne by the device. The connecting block 311 is used for connecting the telescopic shaft 307 and the support rods 312. The support rods 312 can be inserted into the connection holes of the vehicle.
[0030] Specifically, a pressure detector 313 is fixedly installed on the bottom surface of the support frame 2. A telescopic block 314 is welded to the end of the support frame 2. A support leg 315 is inserted and connected to the inside of the telescopic block 314. An anti-slip pad 316 is adhesively connected to the bottom surface of the support leg 315. The pressure detector 313 is used to detect the change in pressure borne by the device. The telescopic block 314 is used to control the telescoping of the support leg 315 to adjust the height of the device. The support leg 315 is used to support the entire device to increase the stability of the device. The anti-slip pad 316 is used to prevent the device from sliding.
[0031] Specifically, a radiator 317 is fixedly installed on the bottom surface inside the box body 1. A temperature and humidity detector 318 is fixedly installed on the right side of the radiator 317. The radiator 317 is used to dissipate heat inside the device. The temperature and humidity detector 318 is used to detect the changes in temperature and humidity inside the device and the surrounding environment.
[0032] Specifically, a motor 319 is fixedly installed behind the temperature and humidity detector 318. A power box 320 is fixedly installed on the left side of the motor 319. A transmission shaft 321 is fixedly installed inside the power box 320. The motor 319 is used to provide the required kinetic energy for the device. The power box 320 is used to control the required kinetic energy of the device. The transmission shaft 321 is used to conduct the kinetic energy.
[0033] Specifically, a frequency converter 322 is fixedly installed on the left side of the power box 320. A power supply 323 is fixedly installed behind the frequency converter 322. The frequency converter 322 is used to control the voltage frequency required by the device. The power supply 323 is used to provide the required electric energy for the device.
[0034] Working principle: The device dissipates heat inside the device through the internal radiator 317. The temperature and humidity detector 318 is used to detect the changes in temperature and humidity inside the device and the surrounding environment. The motor 319 is used to provide the required kinetic energy for the device. The power box 320 is used to control the required kinetic energy of the device. The transmission shaft 321 is used to conduct the kinetic energy. The frequency converter 322 is used to control the voltage frequency required by the device. The power supply 323 is used to provide the required electric energy for the device. The support frame 2 at the bottom of the device is used to increase the stability of the bottom surface of the device. The telescopic block 314 is used to control the telescoping of the support leg 315 to adjust the height of the device. The support leg 315 is used to support the entire device to increase the stability of the device. The anti-slip pad 316 is used to prevent the device from sliding;
[0035] The device is controlled by the operation button 302. The display screen 301 is used to display the operating state of the device and the change in the pressure borne by the device. The support pile 303 is used to support the support plate 306 to increase its stability. The limit base 304 is used to fixedly connect the hydraulic shaft 305. The hydraulic shaft 305 is used to relieve the pressure on the upper support plate 306. The support plate 306 is used to increase the stability of the device. The telescopic shaft 307 is used to adjust the height of the support rod 312. The balance rod 308 is used to ensure the level of the device and prevent it from tipping over. The clamping block 309 is used for clamping and limiting between the device and the vehicle. The buffer shaft 310 is used for buffering the pressure borne by the device. The connecting block 311 is used for connecting the telescopic shaft 307 and the support rod 312. The support rod 312 can be inserted into the connection hole of the vehicle. The pressure detector 313 is used to detect the change in the pressure borne by the device, which is convenient for timely controlling and adjusting the device.
[0036] The above are only the embodiments of the present invention. Specific structures and common knowledge such as characteristics known in the solution are not described in detail here. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A semi-trailer support device, comprising a box body (1) and a support device (3), characterized in that: The bottom surface of the box body (1) is provided with a support frame (2), a support device (3) is arranged inside and outside the box body (1), a limit base (303) is arranged in the middle of the top surface of the box body (1), a hydraulic shaft (305) is arranged on the top surface of the limit base (304), a support plate (306) is arranged on the top surface of the hydraulic shaft (305), a telescopic shaft (307) is arranged on the top surface of the support plate (306), a pressure detector (313) is arranged on the bottom surface of the support frame (2), and a radiator (317) is arranged on the bottom surface inside the box body (1).
2. The semi-trailer support device according to claim 1, characterized in that: The support frame (2) is welded to the bottom surface of the box body (1), a display screen (301) is fixedly installed on the front surface of the box body (1), and an operation button (302) is fixedly installed on the right side of the display screen (301).
3. The semi-trailer support device according to claim 1, wherein: A support pile (303) is welded to the top surface of the box body (1), a limit base (304) is fixedly installed in the middle of the top surface of the box body (1), a hydraulic shaft (305) is inserted and connected to the top surface of the limit base (304), and a support plate (306) is welded to the top surface of the hydraulic shaft (305).
4. A semi-trailer support device according to claim 1, characterized in that: A telescopic shaft (307) is inserted and connected to the top surface of the support plate (306), a balance rod (308) is sleeved outside the telescopic shaft (307), clamping blocks (309) are fixedly installed on both sides of the balance rod (308), a buffer shaft (310) is inserted and connected to the end of the balance rod (308), a connecting block (311) is welded to the top surface of the telescopic shaft (307), and support rods (312) are inserted and connected to both sides of the connecting block (311).
5. The semi-trailer support device according to claim 1, wherein: A pressure detector (313) is fixedly installed on the bottom surface of the support frame (2), a telescopic block (314) is welded to the end of the support frame (2), a support leg (315) is inserted and connected to the inside of the telescopic block (314), and an anti-slip pad (316) is adhesively connected to the bottom surface of the support leg (315).
6. The semi-trailer support device according to claim 1, characterized in that: A radiator (317) is fixedly installed on the bottom surface inside the box body (1), and a temperature and humidity detector (318) is fixedly installed on the right side of the radiator (317).
7. The semi-trailer support device according to claim 6, characterized in that: A motor (319) is fixedly installed behind the temperature and humidity detector (318), a power box (320) is fixedly installed on the left side of the motor (319), and a transmission shaft (321) is fixedly installed inside the power box (320).
8. The semi-trailer support device according to claim 7, characterized in that: A frequency converter (322) is fixedly installed on the left side of the power box (320), and a power supply (323) is fixedly installed behind the frequency converter (322).
Citation Information
Patent Citations
Semitrailer supporting device
CN118025085A