Vehicle-mounted six-degree-of-freedom platform

Abstract

The utility model relates to the technical field of vehicle-mounted platforms, and discloses a vehicle-mounted six-degree-of-freedom platform which comprises a bottom plate and a butt-joint plate, a lifting assembly is installed at the top of the bottom plate, a lower platform is arranged at the top of the lifting assembly, universal hinges are installed at the top of the lower platform and the bottom of the butt-joint plate, and the bottom of the butt-joint plate is provided with a lifting assembly. Wherein an electric cylinder is arranged at the connecting end of one universal hinge, the other end of the electric cylinder is arranged at the connecting end of the other universal hinge, a quick-change assembly is installed in the butt-joint plate, and an upper platform is slidably connected to the top of the butt-joint plate. The quick-change assembly comprises a sliding rod, and the sliding rod is connected into the butt joint plate in a sliding mode. According to the six-degree-of-freedom platform, the sliding rod is controlled to move by rotating the handle, so that the clamping block is separated from or clamped into the clamping groove of the upper platform, the upper platform is quickly mounted and dismounted, the replacement process is simplified, the adaptability of the six-degree-of-freedom platform in different application scenes is improved, and the operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle-mounted platform technical field especially relates to a vehicle-mounted six degrees of freedom platform. BACKGROUND

[0002] Six degrees of freedom platform mainly comprises upper platform, lower platform, six groups of drive execution mechanism (electric cylinder), universal hinge and control system, and its working principle is based on parallel mechanism kinematics, six telescopic drivers are connected to upper and lower platforms through universal hinge, and the length is adjusted in cooperation, X, Y, Z three direction translation and rotation around three axes are realized, the control system receives instruction, calculates the motion trail of each execution mechanism, and the telescopic length is accurately adjusted, so that the platform reaches the set posture.

[0003] Vehicle-mounted six degrees of freedom platform is installed on engineering vehicle or AGV car, is used for carrying equipment or goods, and realizes X, Y, Z direction translation and rotation around three axes through six independent telescopic drive mechanisms, is widely used in special transportation, automation handling, precision equipment carrying and other fields, and the adaptability and safety of load are improved.

[0004] The existing vehicle-mounted six degrees of freedom platform can freely translate or rotate in six dimensions, improve the flexibility of the platform, but the upper platform of the six degrees of freedom platform is usually fixed by bolts, when different size upper platforms need to be replaced, it involves complicated dismounting and mounting process, which increases the working time and complexity, thereby reduces the overall working efficiency, therefore a vehicle-mounted six degrees of freedom platform is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a vehicle-mounted six degrees of freedom platform, which aims at improving the process of replacing different size upper platforms in the prior art, increasing the working time and reducing the overall working efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A vehicle-mounted six degrees of freedom platform, including bottom plate and butt joint plate, the top of the bottom plate is provided with lifting assembly, the top of the lifting assembly is provided with lower platform, the top of the lower platform and the bottom of the butt joint plate are provided with universal hinge, the connecting end of one of the universal hinge is provided with electric cylinder, the other end of the electric cylinder is provided in the connecting end of the other universal hinge, the inside of the butt joint plate is provided with quick-change assembly, the top of the butt joint plate is slidably connected with upper platform;The quick-change assembly includes slide rod, the slide rod is slidably connected in the inside of the butt joint plate, one end of the slide rod is fixedly connected with clamping block, the other end of the slide rod is rotatably connected with rotary handle;

[0008] As a further description of the above technical scheme:

[0009] The bottom of the upper platform is provided with a clamping groove, and the clamping block is clamped with the clamping groove;

[0010] As a further description of the above technical solution:

[0011] The lifting assembly comprises a threaded rod, the threaded rod is rotationally connected to the top of the bottom plate, the top of the bottom plate is slidably connected with a first connecting rod, the first connecting rod is threadedly connected to the outer side of the threaded rod, the top of the bottom plate is fixedly connected with a second connecting rod, the bottom of the lower platform is slidably connected with a third connecting rod, the bottom of the lower platform is fixedly connected with a fourth connecting rod, the outer periphery of the first connecting rod is rotationally connected with a first moving rod, the end of the first moving rod is rotationally connected to the outer side of the fourth connecting rod, the outer side of the second connecting rod is rotationally connected with a second moving rod, the end of the second moving rod is rotationally connected to the outer side of the third connecting rod, and the second moving rod is rotationally connected to the side surface of the first moving rod;

[0012] As a further description of the above technical solution:

[0013] The rear side of the bottom plate is provided with a motor, and the first connecting rod is fixedly connected to the output end of the motor;

[0014] As a further description of the above technical solution:

[0015] The bottom of the butt joint plate is fixedly connected with a baffle, and the sliding rod is slidably connected in the inner part of the baffle;

[0016] As a further description of the above technical solution:

[0017] The outer periphery of the sliding rod is provided with a spring, and the spring is arranged between the clamping block and the baffle;

[0018] As a further description of the above technical solution:

[0019] The inner part of the rotating handle is provided with a limiting groove, and the sliding rod is rotationally connected in the inner part of the limiting groove;

[0020] As a further description of the above technical solution:

[0021] The bottom of the upper platform is fixedly connected with a sliding block, the top of the butt joint plate is provided with a sliding groove, and the sliding block is slidably connected in the inner part of the sliding groove.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. The utility model discloses a rotating handle is through the slide bar control card block and is separated or is clamped into the upper platform card slot, makes the installation and dismounting of upper platform more efficient convenient, this design improves the adaptability of six degrees of freedom platform under different application scene, reduces the replacement time, promotes the operation efficiency, is applicable to the work environment that needs frequently replacing different size upper platform.

[0024] 2. The utility model discloses a motor drive screw rod rotation, combines the coordinated movement of connecting rod mechanism, realizes the lifting adjustment of lower platform, makes six degrees of freedom platform can adjust height according to different working condition demand, this design has strengthened the adaptive capacity of platform to different equipment or load, improved operation flexibility and stability, makes it can adapt to a variety of complex working environment, improves overall use efficiency and convenience. DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic view of a vehicle-mounted six-degree-of-freedom platform proposed by the utility model;

[0026] Figure 2 It is a structure schematic view of a docking plate of a vehicle-mounted six-degree-of-freedom platform proposed by the utility model;

[0027] Figure 3 It is a structure schematic view of a slide rod of a vehicle-mounted six-degree-of-freedom platform proposed by the utility model;

[0028] Figure 4 It is a structure schematic view of a screw rod of a vehicle-mounted six-degree-of-freedom platform proposed by the utility model.

[0029] Legend:

[0030] 1, bottom plate, 2, lower platform, 3, docking plate, 4, universal hinge, 5, electric cylinder, 6, upper platform, 7, slide rod, 8, card block, 9, rotating handle, 10, card slot, 11, baffle, 12, spring, 13, limit slot, 14, sliding block, 15, sliding slot, 16, screw rod, 17, connecting rod one, 18, connecting rod two, 19, connecting rod three, 20, connecting rod four, 21, moving rod one, 22, moving rod two, 23, motor. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Reference Figure 1 - Figure 3The utility model provides an embodiment: a vehicle six degree of freedom platform, including bottom plate 1 and butt joint board 3, the top of bottom plate 1 is installed with lifting assembly, fixes bottom plate 1 on the load platform of vehicle, the top of lifting assembly is provided with lower platform 2, the top of lower platform 2 and the bottom of butt joint board 3 are installed with universal hinge 4, and the connecting end of one of universal hinge 4 is provided with electric cylinder 5, and the other end of electric cylinder 5 is arranged at the connecting end of another universal hinge 4, and the inside of butt joint board 3 is installed with quick change assembly, and the top of butt joint board 3 is slidably connected with upper platform 6;Quick change assembly includes slide rod 7, and slide rod 7 is slidably connected in the inside of butt joint board 3, and each structure is connected using slide rod 7, and one end of slide rod 7 is fixedly connected with clamping block 8, and the other end of slide rod 7 is rotatably connected with rotating handle 9, and rotating handle 9 is rotated, and slide rod 7 and clamping block 8 are controlled to move.

[0033] Referring to Figure 1 And Figure 4 , lifting assembly includes threaded rod 16, threaded rod 16 rotatably connected at the top of bottom plate 1, the top of bottom plate 1 is slidably connected with connecting rod one 17, connecting rod one 17 is screw connected on the outside of threaded rod 16, rotating threaded rod 16, drives connecting rod one 17 to move, the top of bottom plate 1 is fixedly connected with connecting rod two 18, the bottom of lower platform 2 is slidably connected with connecting rod three 19, the bottom of lower platform 2 is fixedly connected with connecting rod four 20, the periphery of connecting rod one 17 is rotatably connected with moving rod one 21, the end of moving rod one 21 is rotatably connected on the outside of connecting rod four 20, and connecting rod one 17 and connecting rod four 20 are connected using moving rod one 21, the outside of connecting rod two 18 is rotatably connected with moving rod two 22, the end of moving rod two 22 is rotatably connected on the outside of connecting rod three 19, and connecting rod two 18 and connecting rod three 19 are connected using moving rod two 22, moving rod two 22 is rotatably connected on the side surface of moving rod one 21, when moving rod one 21 and moving rod two 22 move, relative rotation movement is carried out.The rear side of bottom plate 1 is installed with motor 23, and connecting rod one 17 is fixedly connected on the output end of motor 23, and motor 23 drives threaded rod 16 to rotate, and finally controls the top of moving rod one 21 and moving rod two 22 to move up and down.

[0034] Referring to Figure 1 And Figure 3The bottom of the docking plate 3 is fixedly connected with a baffle 11, the sliding rod 7 is slidingly connected in the inside of the baffle 11, and the baffle 11 is used for protecting the internal structure. The outer periphery of the sliding rod 7 is sleeved with a spring 12, the spring 12 is arranged between the clamping block 8 and the baffle 11, the clamping block 8 is pressed to move upward through cooperation of the spring 12 and the baffle 11. The inside of the rotating handle 9 is provided with a limiting groove 13, the sliding rod 7 is rotatably connected in the inside of the limiting groove 13, and the limiting groove 13 is arranged to limit the rotating position of the rotating handle 9. The bottom of the upper platform 6 is fixedly connected with a sliding block 14, the top of the docking plate 3 is provided with a sliding groove 15, and the sliding block 14 is slidingly connected in the inside of the sliding groove 15. The installation position of the upper platform 6 is fixed through cooperation of the sliding block 14 and the sliding groove 15.

[0035] Working principle: rotate the rotating handle 9, drive the clamping block 8 to move downward through the sliding rod 7, and separate from the clamping groove 10 of the upper platform 6, so that the currently used upper platform 6 can be disassembled. The upper platform 6 to be replaced is placed on the docking plate 3, the rotating handle 9 is reversely rotated, and the pressure applied by the spring 12 is cooperated, so that the clamping block 8 moves upward and is clamped into the inside of the clamping groove 10, the position of the upper platform 6 is fixed, different sizes of the upper platform 6 are quickly replaced, and the working efficiency is improved.

[0036] The motor 23 is started to drive the threaded rod 16 to rotate, the rotating threaded rod 16 controls the sliding of the connecting rod one 17, the moving rod one 21 and the moving rod two 22 are rotated through cooperation of the connecting rod two 18, the connecting rod four 20 and the connecting rod three 19 at the upper ends of the two are lifted, the height of the six-degree-of-freedom platform is adjusted, and the flexibility of the six-degree-of-freedom platform is improved.

[0037] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A vehicle-mounted six-degree-of-freedom platform comprising a base plate (1) and a docking plate (3), characterized in that: The top of the bottom plate (1) is provided with a lifting assembly, the top of the lifting assembly is provided with a lower platform (2), the top of the lower platform (2) and the bottom of the docking plate (3) are provided with universal hinges (4), one end of one of the universal hinges (4) is provided with an electric cylinder (5), the other end of the electric cylinder (5) is arranged at the connecting end of the other universal hinge (4), the inside of the docking plate (3) is provided with a quick change assembly, and the top of the docking plate (3) is slidably connected with an upper platform (6). The quick change assembly comprises a sliding rod (7), one end of the sliding rod (7) is fixedly connected with a clamping block (8), and the other end of the sliding rod (7) is rotatably connected with a rotating handle (9).

2. The six degree-of-freedom platform according to claim 1, wherein: The bottom of the upper platform (6) is provided with a clamping groove (10), and the clamping block (8) and the clamping groove (10) are clamped with each other.

3. The six degree-of-freedom platform of claim 1, wherein: The lifting assembly comprises a threaded rod (16), the threaded rod (16) is rotatably connected to the top of the bottom plate (1), the top of the bottom plate (1) is slidably connected with a connecting rod one (17), the connecting rod one (17) is threadedly connected to the outer side of the threaded rod (16), the top of the bottom plate (1) is fixedly connected with a connecting rod two (18), the bottom of the lower platform (2) is slidably connected with a connecting rod three (19), the bottom of the lower platform (2) is fixedly connected with a connecting rod four (20), the outer periphery of the connecting rod one (17) is rotatably connected with a moving rod one (21), the end of the moving rod one (21) is rotatably connected to the outer side of the connecting rod four (20), the outer side of the connecting rod two (18) is rotatably connected with a moving rod two (22), the end of the moving rod two (22) is rotatably connected to the outer side of the connecting rod three (19), and the moving rod two (22) is rotatably connected to the side surface of the moving rod one (21).

4. The six degree-of-freedom platform of claim 3, wherein: The rear side of the bottom plate (1) is provided with a motor (23), and the connecting rod one (17) is fixedly connected to the output end of the motor (23).

5. The six degree-of-freedom platform of claim 1, wherein: The bottom of the docking plate (3) is fixedly connected with a baffle (11), and the sliding rod (7) is slidably connected in the inside of the baffle (11).

6. The six degree-of-freedom platform of claim 5, wherein: The outer periphery of the sliding rod (7) is provided with a spring (12), and the spring (12) is arranged between the clamping block (8) and the baffle (11).

7. The six degree-of-freedom platform of claim 1, wherein: The inside of the rotating handle (9) is provided with a limiting groove (13), and the sliding rod (7) is rotatably connected in the inside of the limiting groove (13).

8. The six degree-of-freedom platform of claim 1, wherein: The bottom of the upper platform (6) is fixedly connected with a sliding block (14), the top of the docking plate (3) is provided with a sliding groove (15), and the sliding block (14) is slidably connected in the inside of the sliding groove (15).

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