Four-degree-of-freedom dynamic simulation device

Abstract

The utility model provides a four-degree-of-freedom dynamic simulation device, which relates to the technical field of low-degree-of-freedom motion platforms, and comprises a device body, two handles are arranged at the top of the device body, fixed racks are arranged at four corners of the top of the device body, first electric cylinders are arranged on the inner sides of the fixed racks, and a second electric cylinder is arranged on the inner side of the first electric cylinders. The output end of the first electric cylinder movably penetrates through the device body to be connected with a wheel frame, trundles are rotationally connected to the inner side of the wheel frame, and storage grooves are formed in the four corners of the bottom of the device body. Manual grabbing and lifting can be achieved through the handle for short-distance carrying, so that the carrying difficulty is reduced, the first electric cylinder can be fixed through the fixing rack, stable operation of the first electric cylinder is maintained, the wheel frame can be pushed to pop out from the inner side of the containing groove through the first electric cylinder, and the wheel frame rotates through friction between the trundles and the ground. And the device body can be driven to move, so that the transportation efficiency is improved, the transportation difficulty is reduced, the labor cost is saved, and the safety coefficient is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a low-freedom motion platform, in particular to a four-freedom dynamic simulation device. Background Art

[0002] With the rapid development of science and technology, dynamic platforms with multiple degrees of freedom in space have gradually penetrated into various fields of human life, such as multi-degree-of-freedom machine tools in the machining field, industrial handling mechanisms, racing and flying games with virtual dynamics, and dynamic platforms related to film and television, etc. These dynamic platforms bring convenience to the manufacturing industry and bring a real sense of experience to our lives. Compared with the six-degree-of-freedom multi-motion platform, the three-degree-of-freedom and four-degree-of-freedom low-degree-of-freedom motion platforms have the characteristics of simple structure, low cost, large working space, etc., and have broader application prospects.

[0003] When using the existing four-degree-of-freedom motion simulation device, the device is usually moved and transported manually. However, the existing motion simulation device is large in size, and manual transportation is difficult and inefficient. In addition, due to the heavy weight of the motion simulation device, personal injury and device damage are easily caused during transportation, thereby increasing the transportation cost. Utility Model Content

[0004] The purpose of the utility model is to solve the problems in the prior art that the device is large in size, difficult to carry manually, and inefficient, and because the dynamic simulation device is heavy, it is easy to cause personal injury and damage to the device during transportation, thereby increasing the transportation cost, and a four-degree-of-freedom dynamic simulation device is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a four-degree-of-freedom dynamic simulation device, including a device body, two handles are arranged on the top of the device body, fixed frames are arranged at the four corners of the top of the device body, a first electric cylinder is arranged on the inner side of the fixed frame, the output end of the first electric cylinder movably passes through the device body and is connected to a wheel frame, the inner side of the wheel frame is rotatably connected to casters, storage grooves are opened at the four corners of the bottom of the device body, and the wheel frame and the casters are both provided with the inner side of the storage grooves.

[0006] Preferably, a plurality of dampers are arranged on the top of the device body, shock-absorbing springs are sleeved on the outer sides of the dampers, a tray is arranged on the top of the dampers, three triangular plates are arranged on the top of the tray, and three mounting bolts are threadedly installed on the top of each triangular plate.

[0007] Preferably, a second electric cylinder is disposed on the top of each of the triangular plates, and a universal joint is connected to the top of the second electric cylinder.

[0008] Preferably, a mounting plate is provided on the top of the universal joint, and a fixed shaft is provided on the top of the mounting plate.

[0009] Preferably, a turntable is rotatably connected to the outer side of the fixed shaft, and a bracket is provided on the outer side of the turntable.

[0010] Preferably, an ear seat is provided on one side of the bracket.

[0011] Preferably, a cylinder is provided on the top of the mounting plate, and an output end of the cylinder is rotatably connected to the ear seat.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, a handle, a first electric cylinder and casters are provided. When in use, the handle can be used to manually grasp and lift for short-distance transportation, thereby reducing the difficulty of transportation. The first electric cylinder can be fixed by a fixed frame to maintain its stable operation. The first electric cylinder can push the wheel frame to pop out from the inside of the storage groove. The casters can rotate by friction with the ground to drive the device body to move, thereby improving transportation efficiency, reducing transportation difficulty, saving labor costs, and improving safety factors. At the same time, the wheel frame and casters can be hidden and stored through the storage groove to ensure the beauty and stability of the device body when in use.

[0014] 2. In the utility model, by providing a damper, a shock-absorbing spring and a triangular plate, when in use, the telescopic characteristics of the damper and the elasticity of the shock-absorbing spring can effectively reduce the vibration generated during the use or transportation of the device and improve stability. The triangular plate can increase the fulcrum of the second electric cylinder and the triangular plate can be fixed to the pallet by installing bolts, thereby improving the connection strength, improving the stability of the device and improving the safety factor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic diagram of a four-degree-of-freedom dynamic simulation device is proposed for the utility model;

[0016] Figure 2 A schematic diagram of one side structure of a four-degree-of-freedom dynamic simulation device is provided for the utility model;

[0017] Figure 3 A schematic diagram of the caster structure of a four-degree-of-freedom dynamic simulation device is provided for the utility model;

[0018] Figure 4 The utility model provides a schematic diagram of a shock absorbing spring structure of a four-degree-of-freedom dynamic simulation device.

[0019] Legend: 1. Device body; 2. Handle; 3. Fixed frame; 4. First electric cylinder; 5. Storage slot; 6. Wheel frame; 7. Caster; 8. Damper; 9. Shock-absorbing spring; 10. Tray; 11. Triangle plate; 12. Mounting bolt; 13. Second electric cylinder; 14. Universal joint; 15. Mounting plate; 16. Fixed shaft; 17. Turntable; 18. Bracket; 19. Ear seat; 20. Cylinder. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Example 1

[0023] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a four-degree-of-freedom dynamic simulation device, including a device body 1, two handles 2 are arranged on the top of the device body 1, fixed frames 3 are arranged at the four corners of the top of the device body 1, a first electric cylinder 4 is arranged on the inner side of the fixed frame 3, the output end of the first electric cylinder 4 movably passes through the device body 1 and is connected to a wheel frame 6, the inner side of the wheel frame 6 is rotatably connected to a caster 7, the four corners of the bottom of the device body 1 are provided with storage grooves 5, and the wheel frame 6 and the caster 7 are both provided with the inner side of the storage groove 5.

[0024] In this embodiment, the handle 2 can be used to manually grasp and lift for short-distance transportation, thereby reducing the difficulty of transportation. The first electric cylinder 4 can be fixed by fixing the frame 3 to maintain its stable operation. The first electric cylinder 4 can push the wheel frame 6 to pop out from the inside of the storage groove 5, and the casters 7 can rotate by friction with the ground to drive the device body 1 to move, thereby improving transportation efficiency, reducing transportation difficulty, saving labor costs, and increasing safety factors. At the same time, the wheel frame 6 and the casters 7 can be hidden and stored through the storage groove 5 to ensure the beauty and stability of the device body 1 when in use.

[0025] Example 2

[0026] like Figure 1-Figure 4As shown, a plurality of dampers 8 are arranged on the top of the device body 1, and shock-absorbing springs 9 are sleeved on the outer side of the damper 8. A tray 10 is arranged on the top of the damper 8, and three triangular plates 11 are arranged on the top of the tray 10. Three mounting bolts 12 are threadedly installed on the top of each triangular plate 11, and a second electric cylinder 13 is arranged on the top of each triangular plate 11. A universal joint 14 is connected to the top of the second electric cylinder 13, and a mounting plate 15 is arranged on the top of the universal joint 14. A fixed shaft 16 is arranged on the top of the mounting plate 15, and a turntable 17 is rotatably connected to the outer side of the fixed shaft 16. A bracket 18 is arranged on the outer side of the turntable 17, and an ear seat 19 is arranged on one side of the bracket 18. A cylinder 20 is arranged on the top of the mounting plate 15, and the output end of the cylinder 20 is rotatably connected to the ear seat 19.

[0027] In this embodiment, the telescopic characteristics of the damper 8 and the elasticity of the shock-absorbing spring 9 can effectively reduce the vibration generated during the use or transportation of the device and improve the stability. The triangle plate 11 can increase the fulcrum of the second electric cylinder 13, and the triangle plate 11 can be fixed to the pallet 10 by installing the bolts 12, so as to improve the connection strength, improve the stability of the device, and improve the safety factor. The device body 1 can be lifted and lowered normally by the second electric cylinder 13, and the three second electric cylinders 13 operate independently. The device body 1 can be adjusted in multiple directions by the universal joint 14, and the turntable 17 can be pushed to rotate on the fixed shaft 16 by the cylinder 20, so as to perform a four-degree-of-freedom dynamic simulation.

[0028] The working principle of this embodiment is as follows: when in use, first, when carrying the device over a short distance, the handle 2 can be grasped and pulled upwards to move the device body 1. Then, when the device body 1 is in operation, the first electric cylinder 4 can be driven to push the wheel frame 6 to pop out of the storage slot 5, and the caster 7 rotates by friction with the ground to drive the device body 1 to move. Finally, during the transportation and use of the device body 1, the damper 8 and the shock-absorbing spring 9 continuously expand and contract and rebound to absorb most of the vibration and impact force, thereby maintaining the stability of the device body 1.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A four-degree-of-freedom dynamic simulation device, comprising a device body (1), characterized in that: Two handles (2) are arranged on the top of the device body (1); fixed frames (3) are arranged at the four corners of the top of the device body (1); a first electric cylinder (4) is arranged on the inner side of the fixed frame (3); an output end of the first electric cylinder (4) movably passes through the device body (1) and is connected to a wheel frame (6); a caster (7) is rotatably connected to the inner side of the wheel frame (6); storage grooves (5) are arranged at the four corners of the bottom of the device body (1); and the inner side of the storage groove (5) is provided on the wheel frame (6) and the caster (7).

2. The four-degree-of-freedom dynamic simulation device according to claim 1, characterized in that: A plurality of dampers (8) are arranged on the top of the device body (1), shock-absorbing springs (9) are sleeved on the outer sides of the dampers (8), a tray (10) is arranged on the top of the dampers (8), three triangular plates (11) are arranged on the top of the tray (10), and three mounting bolts (12) are threadedly installed on the top of each triangular plate (11).

3. The four-degree-of-freedom dynamic simulation device according to claim 2, characterized in that: A second electric cylinder (13) is provided on the top of each triangular plate (11), and a universal joint (14) is connected to the top of the second electric cylinder (13).

4. The four-degree-of-freedom dynamic simulation device according to claim 3, characterized in that: A mounting plate (15) is arranged on the top of the universal joint (14), and a fixed shaft (16) is arranged on the top of the mounting plate (15).

5. The four-degree-of-freedom dynamic simulation device according to claim 4, characterized in that: The outer side of the fixed shaft (16) is rotatably connected to a rotating disk (17), and a bracket (18) is arranged on the outer side of the rotating disk (17).

6. The four-degree-of-freedom dynamic simulation device according to claim 5, characterized in that: An ear seat (19) is provided on one side of the bracket (18).

7. The four-degree-of-freedom dynamic simulation device according to claim 4, characterized in that: A cylinder (20) is arranged on the top of the mounting plate (15), and an output end of the cylinder (20) is rotatably connected to the ear seat (19).

Images