An attitude adjustment vehicle based on bottom surface support

Abstract

The utility model provides a kind of based on bottom surface support's posture adjusting vehicle belongs to posture adjusting vehicle technical field, this based on bottom surface support's posture adjusting vehicle includes vehicle body, support backing plate and disc spring array;The disc spring array is set between vehicle body bottom and support backing plate, the disc spring array is made of multiple disc springs, and the upper end of each disc spring is fixedly connected with vehicle body bottom, and lower end is fixedly connected with support backing plate;Disc spring array both sides are equipped with wedge-shaped press block respectively, and wedge-shaped press block is abutted with disc spring side, and wedge-shaped press block is equipped with adjusting bolt, and adjusting bolt is connected with wedge-shaped press block by thread through vehicle body, and the bottom of vehicle body is equipped with the installation groove for installing disc spring, and the upper end of disc spring is embedded in installation groove and is fixedly connected with installation groove groove bottom by first fixed part, solve the problem that traditional posture adjusting vehicle based on bottom surface support exists structural stability is poor, and posture adjusting precision is low.

Description

Technical Field

[0001] This utility model belongs to the field of attitude adjustment vehicle technology, specifically, it relates to an attitude adjustment vehicle based on bottom support. Background Technology

[0002] In many fields such as industrial production, logistics and transportation, and equipment installation, attitude-adjustable vehicles based on bottom support play an indispensable role. By adjusting the bottom support structure of the vehicle body, these vehicles can adjust their posture under different working conditions, such as maintaining a level position on uneven ground and adapting to different loading and unloading height requirements, thus meeting diverse operational needs.

[0003] Traditional attitude adjustment vehicles based on bottom support often employ a single spring, hydraulic rod, or simple mechanical support structure. Taking a single spring structure as an example, ordinary springs are prone to elastic fatigue and unstable deformation under heavy loads, leading to decreased attitude adjustment accuracy and difficulty in handling complex and variable load conditions. While hydraulic rod support structures offer some load-bearing capacity, the hydraulic system suffers from potential failure risks such as aging seals and oil leaks, resulting in high maintenance costs. Furthermore, the hydraulic control process is complex and inconvenient to operate. Some attitude adjustment vehicles using simple mechanical support structures, such as those relying solely on screw lifting, not only have low attitude adjustment efficiency but also require separate operation of each support point for multi-directional attitude adjustments, making coordinated attitude adjustment difficult and resulting in poor vehicle stability, failing to meet the demands for efficient and precise attitude adjustment. In addition, the component connection methods and structural layouts of traditional attitude adjustment vehicles are often inefficient, leading to low force transmission efficiency between components and uneven force distribution during attitude adjustment, further affecting the adjustment effect and vehicle lifespan. Utility Model Content

[0004] In view of this, the present invention provides a posture adjustment vehicle based on bottom support, which solves the problems of poor structural stability and low posture adjustment accuracy of traditional posture adjustment vehicles based on bottom support.

[0005] This utility model is implemented as follows:

[0006] This utility model provides a posture adjustment vehicle based on bottom support, comprising a vehicle body, a support pad, and a disc spring array; the disc spring array is disposed between the bottom of the vehicle body and the support pad, and the disc spring array is composed of multiple disc springs, the upper end of each disc spring being fixedly connected to the bottom of the vehicle body, and the lower end being fixedly connected to the support pad; wedge-shaped pressure blocks are respectively provided on both sides of the disc spring array, the wedge-shaped pressure blocks abut against the sides of the disc springs, and the wedge-shaped pressure blocks are provided with adjusting bolts, the adjusting bolts passing through the vehicle body and threadedly connected to the wedge-shaped pressure blocks.

[0007] The disc spring array utilizes the stronger load-bearing capacity and more even pressure distribution characteristics of disc springs compared to ordinary springs, effectively ensuring the stability of the attitude adjustment vehicle when subjected to large loads. By using wedge-shaped pressure blocks and adjusting bolts to compress the disc springs, the height of the support plate can be adjusted, thereby completing the attitude adjustment of the vehicle. The structure is simple and easy to operate, eliminating the need for a complex electronic control system, reducing costs while improving reliability.

[0008] Based on the above technical solution, the attitude adjustment vehicle based on bottom support of this utility model can be further improved as follows:

[0009] The bottom of the vehicle body is provided with a mounting groove for installing a disc spring. The upper end of the disc spring is embedded in the mounting groove and fixedly connected to the bottom of the mounting groove by a first fastener, which includes one of bolts, rivets or welding.

[0010] The fastener that secures the upper end of the disc spring to the mounting slot:

[0011] Bolt and nut assembly: Through holes are drilled at the corresponding positions on the upper end of the disc spring and the bottom of the mounting groove. Bolts are passed through these through holes, and nuts are tightened on the other side. The tightening force of the bolts and nuts securely fixes the upper end of the disc spring in the mounting groove. This method is relatively convenient for installation and disassembly, and facilitates later maintenance and replacement of the disc spring.

[0012] Rivets: Rivets are passed through holes in the upper end of the disc spring and the bottom of the mounting slot. The rivet is deformed through a riveting process, thus fixing the disc spring to the mounting slot. Rivet fixing offers high strength and stability, making it suitable for applications requiring high connection strength and where frequent disassembly is not necessary.

[0013] Welding: Welding techniques such as argon arc welding and resistance welding are used to directly weld the upper end of the disc spring to the bottom of the mounting slot. Welding can form a strong connection, ensuring that the disc spring will not loosen during operation. However, the disadvantage is that disassembly is relatively difficult once the welding is completed. It is suitable for structures that do not need to be disassembled after being fixed.

[0014] The bottom of the vehicle body is equipped with a mounting slot and a fastener connects to the upper end of the disc spring. The mounting slot provides precise positioning for the disc spring, which is convenient for installation and ensures that the disc spring array is neatly arranged, ensuring uniform force during attitude adjustment. The connection method of the fastener ensures that the disc spring is firmly connected to the vehicle body, preventing the attitude adjustment effect and vehicle stability from being affected by the spring loosening during attitude adjustment.

[0015] Furthermore, the support pad is provided with a groove that matches the lower end of the disc spring. The lower end of the disc spring is embedded in the groove and fixedly connected to the bottom of the groove by a second fastener. The second fastener includes one of a snap ring, a pin, or an adhesive.

[0016] The fixing component that secures the lower end of the disc spring to the groove:

[0017] Snap ring: A ring-shaped groove is machined into the bottom of the groove, and the snap ring is installed in the groove. After the lower end of the disc spring is embedded in the groove, the snap ring can restrict its axial movement and achieve fixation. Snap rings are simple to install, occupy little space, and facilitate the disassembly and replacement of the disc spring.

[0018] Pin: A pin hole is machined at a suitable position at the lower end of the disc spring and the bottom of the groove. The pin is inserted into the pin hole, and the disc spring is fixed by the limiting action of the pin. The pin fixing method has a simple structure and accurate positioning, and is often used in occasions that require precise positioning and fixation.

[0019] Adhesive: Use a high-strength adhesive and apply it to the lower end of the disc spring and the bottom surface of the groove. After the adhesive has cured, firmly fix the disc spring in the groove. Adhesive fixing is suitable for some situations where high connection accuracy is required and excessive load is not necessary. Its advantages are that it will not damage the components and the connection surface is relatively smooth.

[0020] The groove on the support plate is adapted to the lower end of the disc spring and connected by a fastener. The groove can prevent the lower end of the disc spring from shifting when under force, ensuring that the disc spring is subjected to vertical force and improving the posture adjustment accuracy. The fixed connection ensures that the support plate and the disc spring are stably matched, so that the posture adjustment action can be accurately transmitted to the support plate, realizing the precise adjustment of the posture of the posture adjustment vehicle.

[0021] Furthermore, the wedge-shaped pressure block is in the shape of a right-angled trapezoid, with its inclined surface fitting against the side of the disc spring, and its right-angled side connected to the adjusting bolt.

[0022] The beneficial effects of adopting the above-mentioned improved scheme are as follows: The wedge-shaped pressure block is designed in the shape of a right-angled trapezoid, and its inclined surface is in contact with the side of the disc spring. Under the push of the adjusting bolt, the thrust can be effectively converted into the squeezing force on the disc spring, thereby improving the force transmission efficiency; the right-angled side is connected to the adjusting bolt, which facilitates the installation and application of the adjusting bolt, allowing the operator to more easily and accurately control the moving distance of the wedge-shaped pressure block, thereby precisely adjusting the compression of the disc spring and realizing the fine adjustment of the posture of the attitude adjustment vehicle.

[0023] Furthermore, a through hole is provided at the bottom of the vehicle body corresponding to the position of the adjusting bolt. The adjusting bolt passes through the through hole and is threadedly connected to the wedge-shaped pressure block. The diameter of the through hole is larger than the outer diameter of the adjusting bolt, so as to allow the wedge-shaped pressure block to move under the action of the adjusting bolt.

[0024] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the diameter of the through hole at the bottom of the vehicle body is larger than the outer diameter of the adjusting bolt, which provides space for the wedge-shaped pressure block to move during the adjustment process, ensuring that the wedge-shaped pressure block can move smoothly under the drive of the adjusting bolt to squeeze the disc spring; this design avoids the limitation of the wedge-shaped pressure block movement due to the small hole diameter, ensuring the smoothness and reliability of the posture adjustment operation, and making the posture adjustment process more flexible.

[0025] Furthermore, the disc spring array is arranged in a matrix, and the multiple disc springs are arranged parallel to each other.

[0026] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the disc spring array is distributed in a matrix and is parallel to each other, so that the force on the bottom surface of the vehicle is uniform and the stability of the vehicle is enhanced during the attitude adjustment process; the matrix distribution method makes it easy to reasonably arrange multiple disc springs, make full use of the space under the vehicle body, and at the same time, multiple springs work together during attitude adjustment, which can achieve a more stable and precise attitude adjustment effect and meet the needs of different attitude adjustment.

[0027] Furthermore, the wedge-shaped pressure block has anti-slip protrusions on the side near the disc spring to increase the friction between it and the disc spring.

[0028] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the anti-slip protrusion on the side of the wedge-shaped pressure block near the disc spring increases the friction between the wedge-shaped pressure block and the disc spring, prevents the wedge-shaped pressure block from slipping during the compression of the disc spring, ensures that the wedge-shaped pressure block can accurately transmit the thrust of the adjusting bolt to the disc spring, improves the reliability and stability of the posture adjustment operation, and makes the posture adjustment effect more accurate.

[0029] Furthermore, the end of the adjusting bolt is provided with a knob for easy operation.

[0030] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the knob at the end of the adjusting bolt is easy for the operator to operate directly by hand without the need for additional tools, making the posture adjustment operation more convenient and faster; the design of the knob increases the contact area between the operator and the adjusting bolt, making it easier to apply force and more easily and accurately control the rotation angle and number of turns of the adjusting bolt, thereby achieving precise control of the posture adjustment of the posture adjustment vehicle.

[0031] Furthermore, the wedge-shaped pressure blocks on both sides of the disc spring array are connected by guide rods, which pass through the vehicle body and are slidably connected to the vehicle body to limit the movement direction of the wedge-shaped pressure blocks.

[0032] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the anti-slip texture on the bottom of the support pad increases the friction between the support pad and the ground, preventing the vehicle from sliding during or after the adjustment process due to uneven ground or uneven force, thus improving the safety and stability of the vehicle when parking and working, ensuring that the adjustment effect can be maintained, and preventing the vehicle's posture from changing due to sliding.

[0033] Furthermore, the bottom surface of the support pad is provided with anti-slip texture.

[0034] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the guide rod connects the wedge-shaped pressure blocks on both sides of the disc spring array and slides with the vehicle body, providing guidance for the movement of the wedge-shaped pressure blocks, restricting the wedge-shaped pressure blocks to move only in the set direction, avoiding the wedge-shaped pressure blocks from deviating or shaking during the movement, ensuring that the wedge-shaped pressure blocks can accurately squeeze the disc springs, improving the accuracy and stability of the posture adjustment operation, and making the posture adjustment process more reliable.

[0035] Compared with the prior art, the beneficial effects of the attitude adjustment vehicle based on bottom support provided by this utility model are:

[0036] This invention, through innovative design of the disc spring array and related components, exhibits significant beneficial effects in multiple aspects. From a structural stability perspective, the disc spring array, with its strong load-bearing capacity and pressure dispersion characteristics, can better handle heavy load conditions compared to traditional spring structures. It maintains stable elastic deformation even under heavy loads, preventing vehicle attitude loss due to spring failure. The matrix-distributed spring array ensures uniform stress distribution on the vehicle's underside, reducing localized stress concentration and effectively improving the overall structural stability and reliability of the vehicle, thus extending the service life of the attitude-adjustable vehicle.

[0037] In terms of attitude adjustment accuracy, the design of the wedge-shaped pressure block and the adjusting bolt, combined with the non-linear elastic characteristics of the disc spring, enables precise control of the spring compression. The right-angled trapezoidal wedge-shaped pressure block efficiently converts the thrust of the adjusting bolt into the compressive force on the disc spring. By rotating the knob at the end of the adjusting bolt, the operator can precisely control the movement distance of the wedge-shaped pressure block, thereby accurately adjusting the degree of compression of the disc spring and causing the support plate to achieve minute height changes, meeting the requirements of high-precision attitude adjustment. At the same time, the guide rod and anti-slip protrusion further ensure the accuracy and stability of the wedge-shaped pressure block movement, avoiding attitude adjustment errors caused by component shaking or slippage, enabling the attitude adjustment vehicle to achieve precise attitude adjustment under complex working conditions.

[0038] In terms of ease of operation, this invention eliminates the complex electronic control system and cumbersome hydraulic operation process, allowing for posture adjustment simply by manually rotating the adjusting bolt. The knob design at the end of the adjusting bolt allows operators to easily apply force by hand without the need for additional tools. Furthermore, the rotation range of the knob can be flexibly controlled according to actual posture adjustment needs, making the operation simple and easy to understand, greatly reducing the skill threshold for operators and improving posture adjustment efficiency. In addition, the connection methods and structural layout between the components are reasonable; for example, the cooperation between the mounting slots, grooves, and fixing parts facilitates the installation and disassembly of the disc spring, making later maintenance and component replacement easier, further enhancing the convenience of use. Attached Figure Description

[0039] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0040] Figure 1 This is an example diagram of a posture adjustment vehicle based on bottom support;

[0041] Figure 2 This is a bottom view of a tilting vehicle based on bottom support;

[0042] Figure 3 for Figure 2 Enlarged view of section A in the middle;

[0043] The attached diagram lists the components represented by each number as follows:

[0044] 10. Vehicle body; 20. Support pad; 30. Disc spring array; 31. Wedge-shaped pressure block; 32. Guide rod. Detailed Implementation

[0045] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0046] like Figure 1-3The figure shown is a first embodiment of a posture adjustment vehicle based on bottom support provided by this utility model. In this embodiment, it includes a vehicle body 10, a support pad 20, and a disc spring array 30. The disc spring array 30 is disposed between the bottom of the vehicle body 10 and the support pad 20. The disc spring array 30 is composed of multiple disc springs. The upper end of each disc spring is fixedly connected to the bottom of the vehicle body 10, and the lower end is fixedly connected to the support pad 20. Wedge-shaped pressure blocks 31 are respectively provided on both sides of the disc spring array 30. The wedge-shaped pressure blocks 31 abut against the sides of the disc springs. The wedge-shaped pressure blocks 31 are provided with adjusting bolts. The adjusting bolts pass through the vehicle body 10 and are threadedly connected to the wedge-shaped pressure blocks 31.

[0047] When the attitude adjustment vehicle needs to be adjusted, the operator uses a tool to turn the adjusting bolt. The adjusting bolt pushes the wedge-shaped pressure block towards the disc spring. The wedge-shaped pressure block squeezes the disc spring, changing the degree of compression of the disc spring, thereby driving the support plate to rise and fall, thus adjusting the attitude of the attitude adjustment vehicle. After the attitude adjustment is completed, stop turning the adjusting bolt.

[0048] A typical attitude adjustment vehicle includes a body frame, support components, transmission components, connecting components, and auxiliary components. The body frame is the main structure of the attitude adjustment vehicle, serving to support cargo, equipment, and other components. It is generally made of metal materials, such as steel or aluminum alloy. Support components are the foundation for the attitude adjustment vehicle's posture adjustment; common types include support legs and support feet. Transmission components transmit power to the support components to achieve posture adjustment; common types include hydraulic or mechanical transmission mechanisms. Connecting components are used to fix and connect various components, ensuring the stability of the attitude adjustment vehicle structure; these include bolts, nuts, and hinges. Auxiliary components improve the performance and safety of the attitude adjustment vehicle, mainly including: guide devices: commonly a combination of guide rails and sliders, installed between the support legs and the body frame, limiting the direction of movement of the support legs, preventing swaying or deviation during lifting and lowering, and improving the stability and accuracy of posture adjustment. Limit devices: including limit switches and limit blocks. Limit switches detect the extreme positions of the support legs, preventing excessive lifting and lowering and damage to components; limit blocks mechanically limit the range of movement of the support legs. Protective components: such as protective covers, are used to protect hydraulic lines, transmission components, etc., to prevent dust and debris from entering and affecting the normal operation of the components, and at the same time play a certain role in safety protection.

[0049] Hydraulic transmission mechanism: Composed of a hydraulic pump, hydraulic cylinder, hydraulic lines, and control valves. The hydraulic pump provides power, delivering hydraulic oil through the lines to the hydraulic cylinder, pushing the piston to move, thereby raising and lowering the support leg. The control valve is used to regulate the flow and pressure of the hydraulic oil, controlling the speed and precision of the posture adjustment. Mechanical transmission mechanism: Such as screw and nut drive, where the screw is rotated by a motor or manually, causing the nut to move up and down along the screw, thus raising and lowering the support leg; there is also gear and rack drive, where the rotation of the gear drives the meshing rack to move linearly, achieving the adjustment of the support leg.

[0050] In the above technical solution, the bottom of the vehicle body 10 is provided with a mounting groove for installing a disc spring. The upper end of the disc spring is embedded in the mounting groove and is fixedly connected to the bottom of the mounting groove through a first fastener. The first fastener includes one of bolts, rivets or welding.

[0051] When installing a disc spring, align the upper end of the disc spring with the mounting groove and insert it. Then, use appropriate fasteners (such as bolts and nuts, rivets, etc.) to fix the disc spring to the bottom of the mounting groove.

[0052] Furthermore, in the above technical solution, the support pad 20 is provided with a groove that matches the lower end of the disc spring. The lower end of the disc spring is embedded in the groove and fixedly connected to the bottom of the groove by a second fastener. The second fastener includes one of a snap ring, a pin, or an adhesive.

[0053] During installation, the lower end of the disc spring is embedded into the groove of the support plate 20 and fixed with fasteners (such as snap ring installation, pin insertion, etc.); during the posture adjustment process, the compression degree of the disc spring is changed by adjusting the bolts, which drives the support plate 20 to rise and fall.

[0054] Furthermore, in the above technical solution, the wedge-shaped pressure block 31 is in the shape of a right-angled trapezoid, its inclined surface is in contact with the side of the disc spring, and the right-angled side is connected to the adjusting bolt.

[0055] Furthermore, in the above technical solution, a through hole is provided at the bottom of the vehicle body 10 corresponding to the position of the adjusting bolt. The adjusting bolt passes through the through hole and is threadedly connected to the wedge-shaped pressure block 31. The diameter of the through hole is larger than the outer diameter of the adjusting bolt, so as to allow the wedge-shaped pressure block 31 to move under the action of the adjusting bolt.

[0056] Furthermore, in the above technical solution, the disc spring array 30 is distributed in a matrix manner, with multiple disc springs arranged in parallel to each other.

[0057] Furthermore, in the above technical solution, the wedge-shaped pressure block 31 has an anti-slip protrusion on the side near the disc spring to increase the friction between it and the disc spring.

[0058] Furthermore, in the above technical solution, the end of the adjusting bolt is provided with a knob for easy operation.

[0059] Furthermore, in the above technical solution, the wedge-shaped pressure blocks 31 on both sides of the disc spring array 30 are connected by guide rods 32. The guide rods 32 pass through the vehicle body 10 and are slidably connected to the vehicle body 10 to limit the movement direction of the wedge-shaped pressure blocks 31.

[0060] Furthermore, in the above technical solution, the bottom surface of the support pad 20 is provided with anti-slip texture.

[0061] Specifically, the principle of this invention is as follows: This invention uses a disc spring array as the core attitude adjustment component. Its technical principle is based on the unique mechanical properties and ingenious mechanical structure design of disc springs. Compared with ordinary helical springs, disc springs can withstand greater loads in the same space and have non-linear elastic characteristics. During compression, as the load increases, the deformation of the spring gradually stabilizes, effectively dispersing pressure and ensuring stability during attitude adjustment.

[0062] The disc spring array at the bottom of the attitude adjustment vehicle consists of multiple disc springs arranged in a matrix and parallel to each other. This layout ensures uniform force distribution on the vehicle's underside. Each disc spring is fixedly connected to the vehicle body and support plate via mounting slots and grooves, ensuring stable position and accurate force direction during operation. Wedge-shaped pressure blocks are located on both sides of the disc spring array. These wedge-shaped pressure blocks are designed in a right-angled trapezoidal shape, with their inclined surfaces fitting against the sides of the disc springs, and their right-angled sides connected to adjusting bolts. When the adjusting bolts are rotated, they push the wedge-shaped pressure blocks along the inclined surfaces, converting the thrust into compressive force on the disc springs, thus changing their compression level. This change in spring compression causes the support plate to rise and fall, thereby adjusting the attitude of the attitude adjustment vehicle.

Claims

1. A posture adjustment vehicle based on bottom support, characterized in that, The system includes a vehicle body, a support pad, and a disc spring array. The disc spring array is located between the bottom of the vehicle body and the support pad. The disc spring array consists of multiple disc springs, with the upper end of each disc spring fixedly connected to the bottom of the vehicle body and the lower end fixedly connected to the support pad. Wedge-shaped pressure blocks are provided on both sides of the disc spring array. The wedge-shaped pressure blocks abut against the sides of the disc springs. Each wedge-shaped pressure block is equipped with an adjusting bolt, which passes through the vehicle body and is threadedly connected to the wedge-shaped pressure block.

2. The attitude adjustment vehicle based on bottom support according to claim 1, characterized in that, The bottom of the vehicle body is provided with a mounting groove for installing a disc spring. The upper end of the disc spring is embedded in the mounting groove and is fixedly connected to the bottom of the mounting groove by a first fastener. The first fastener includes one of bolts, rivets or welding.

3. The attitude adjustment vehicle based on bottom support according to claim 2, characterized in that, The support pad is provided with a groove that fits the lower end of the disc spring. The lower end of the disc spring is embedded in the groove and fixedly connected to the bottom of the groove by a second fastener. The second fastener includes one of a snap ring, a pin, or an adhesive.

4. The attitude adjustment vehicle based on bottom support according to claim 3, characterized in that, The wedge-shaped pressure block is in the shape of a right-angled trapezoid, with its inclined surface fitting against the side of the disc spring, and its right-angled side connected to the adjusting bolt.

5. The attitude adjustment vehicle based on bottom support according to claim 4, characterized in that, The bottom of the vehicle body has a through hole corresponding to the position of the adjusting bolt. The adjusting bolt passes through the through hole and is threadedly connected to the wedge-shaped pressure block. The diameter of the through hole is larger than the outer diameter of the adjusting bolt to allow the wedge-shaped pressure block to move under the action of the adjusting bolt.

6. The attitude adjustment vehicle based on bottom support according to claim 5, characterized in that, The disc spring array is arranged in a matrix, and the multiple disc springs are arranged parallel to each other.

7. The attitude adjustment vehicle based on bottom support according to claim 6, characterized in that, The wedge-shaped pressure block has anti-slip protrusions on the side near the disc spring to increase the friction between it and the disc spring.

8. The attitude adjustment vehicle based on bottom support according to claim 7, characterized in that, The end of the adjusting bolt is equipped with a knob for easy operation.

9. A posture adjustment vehicle based on bottom support according to claim 8, characterized in that, The wedge-shaped pressure blocks on both sides of the disc spring array are connected by guide rods, which pass through the vehicle body and slide in connection with the vehicle body to limit the movement direction of the wedge-shaped pressure blocks.

10. A posture adjustment vehicle based on bottom support according to claim 9, characterized in that, The bottom surface of the support pad is provided with anti-slip texture.

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