CN221141067U - Crank structure platform with 6 degrees of freedom at low height - Google Patents

Abstract

The utility model discloses a crank structure platform with a height of 6 degrees of freedom, and particularly relates to the technical field of platforms. The crank support shaft, the main crank arm, the first main rotating shaft and the second rotating shaft are arranged, the main support connecting rod swing arm and the three connecting rod swing arms rotate and change shafts, the motor is matched with the speed reducer, the main crank arm can be driven to rotate, the main crank arm drives the main support connecting rod swing arm to move, so that the upper frame platform can be driven to lift under the assistance of the first main rotating shaft and the second main rotating shaft, three groups of motors are synchronously started, the upper frame platform can be stably driven to move up and down, left and right displacement, front and back displacement, pitching, rolling, yawing and other 6-degree-of-freedom actions and combined actions, and the remarkable characteristics of convenience, precision, high bearing capacity, large angle displacement and other parameters when the high-low 6-degree-of-freedom crank structure platform is used are realized.

Description

Crank structure platform with 6 degrees of freedom at low height

Technical Field

The utility model relates to the technical field of platforms, in particular to a crank structure platform with a height of 6 degrees of freedom.

Background

The lifting platform is a multifunctional lifting and loading and unloading mechanical device, and can be divided into a fixed type lifting platform and a movable type lifting and loading platform, wherein the movable type lifting and loading mechanical device is divided into a straight arm type lifting platform, a crank arm type lifting platform, a scissor type lifting platform, a mast type lifting platform, an aluminum alloy lifting platform, a sleeve cylinder type lifting platform, a fixed type lifting platform with a scissor type lifting platform, a chain type lifting platform, a loading platform, an attached electric construction platform and the like;

When the platform is used in lifting by mechanical energy, lifting and descending operations are mostly carried out through a driving piece at the center of the bottom. When in use, the stability is poor, and the use is inconvenient, so that the stability needs to be improved, and the use is more convenient.

Disclosure of Invention

The utility model aims to provide a crank structure platform with a height of 6 degrees of freedom, which solves the problem that the stability of the platform is poor when the platform is used in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the upper frame platform is characterized in that six groups of crank bases are arranged at the top end of the lower frame platform, a speed reducer and a servo motor are arranged on the crank bases, the output end of the servo motor is connected with a speed reducer shaft, the output end of the speed reducer is connected with a crank rotary supporting shaft, the crank rotary supporting shaft is connected with a crank, one side of the crank is movably connected with a first crank rotating shaft, one side of the first crank rotating shaft is movably connected with a second crank rotating shaft and a connecting rod swing arm assembly, the connecting rod swing arm assembly is fixedly rotated through the second crank rotating shaft and the first crank rotating shaft, the top end of the connecting rod swing arm assembly is movably connected with a third connecting rod swing arm rotary conversion shaft, the top end of the third connecting rod swing arm rotary conversion shaft is movably connected with a first connecting rod swing arm rotary conversion shaft and a second connecting rod swing arm rotary conversion shaft, movable hinges between the first connecting rod swing arm rotary conversion shaft and the second connecting rod swing arm rotary conversion shaft, and the top end of the second connecting rod swing arm rotary conversion shaft is fixedly connected with the upper frame platform.

Preferably, the surface of the upper frame platform is provided with a plurality of positioning holes, and the plurality of positioning holes are distributed at equal intervals.

Preferably, the cross section of the upper frame platform is smaller than that of the lower frame platform, and the upper frame platform and the lower frame platform are distributed in parallel.

Preferably, a reserved groove is formed in the middle of the upper frame platform, six groups of reinforcing frames are arranged at the bottom end of the upper frame platform, and mounting locating pieces are arranged on the inner sides between the reinforcing frames.

Compared with the prior art, the utility model has the beneficial effects that:

The three groups of servo motors are synchronously started, namely, the upper frame platform can be stably driven to move up and down, left and right displacement, front and back displacement, pitching, rolling, yaw and other 6-degree-of-freedom actions and combined actions are realized, and the remarkable characteristics of convenience, precision, large bearing capacity, large angular displacement and other parameters when the high-low 6-degree-of-freedom crank structure platform is used are realized;

The reinforcing frames and the mounting locating pieces are arranged, the reinforcing frames are annularly arranged at the bottom of the upper frame platform, the mounting locating pieces are arranged between the reinforcing frames to assist in locating and fixing, the reinforcing frames are arranged at the bottom of the upper frame platform, the strength of the upper frame platform can be enhanced from the bottom side, the deformation of the upper frame platform is avoided, the use is influenced, and the strength of the upper frame platform of the high-low 6-degree-of-freedom crank structure platform is enhanced when the upper frame platform is used;

Drawings

FIG. 1 is a schematic three-dimensional structure of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

Fig. 4 is a schematic side view of the present utility model.

In the figure: 1. a racking platform; 2. the third connecting rod swing arm rotates the conversion shaft; 3. a crank; 4. a second crank rotation shaft; 5. a first crank rotation shaft; 6. a crank rotation support shaft; 7. a lower frame platform; 8. a servo motor; 9. a speed reducer; 10. a crank base; 11. a link swing arm assembly; 12. the first connecting rod swing arm rotates the conversion shaft; 13. the second connecting rod swing arm rotates the conversion shaft; 14. a reserved groove; 15. a reinforcing frame; 16. and (5) installing a locating plate.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the top of lower frame platform 7 is provided with six groups crank base 10, and all install speed reducer 9 and servo motor 8 on the crank base 10, servo motor 8's output and speed reducer 9 hub connection, speed reducer 9's output is connected with crank rotation back shaft 6, be connected with on the crank rotation back shaft 6 crank 3, one side swing joint of crank 3 has first crank rotation axis 5, one side swing joint of first crank rotation axis 5 has second crank rotation axis 4 and connecting rod swing arm assembly 11, connecting rod swing arm assembly 11 rotates fixedly between through second crank rotation axis 4 and first crank rotation axis 5, connecting rod swing arm assembly 11's top swing joint has third connecting rod swing arm rotation conversion axle 2, the top swing joint of third connecting rod swing arm rotation conversion axle 2 has first connecting rod swing arm rotation conversion axle 12 and second connecting rod swing arm rotation conversion axle 13, swing joint between first connecting rod swing arm rotation conversion axle 12 and the second connecting rod swing arm rotation conversion axle 13, fixedly connected with upper frame platform 1 between the top of second connecting rod swing arm rotation conversion axle 13.

The surface of the upper frame platform 1 is provided with a plurality of positioning holes which are distributed at equal intervals; the cross section of the upper frame platform 1 is smaller than that of the lower frame platform 7, and the upper frame platform 1 and the lower frame platform 7 are distributed in parallel;

Specifically, as shown in fig. 1, 2, 3 and 4, when in use, the servo motor 8 is matched with the speed reducer 9, and can drive the crank 3 to rotate, the crank 3 drives the crank 11 to move, so that the upper frame platform 1 can be driven to lift and fall under the assistance of 12 and 13, and three groups of servo motors 8 are synchronously started to drive the upper frame platform 1 to move up and down, move left and right, displace back and forth, pitch, roll, yaw and other 6-degree-of-freedom actions and combined actions;

Example 2: a reserved groove 14 is formed in the middle of the upper frame platform 1, six groups of reinforcing frames 15 are arranged at the bottom end of the upper frame platform 1, and mounting positioning sheets 16 are arranged on the inner sides between the reinforcing frames 15;

Specifically, as shown in fig. 1 and 3, in use, six groups of reinforcing frames 15 are installed at the bottom of the upper frame platform 1 and distributed in a ring shape, and meanwhile, installation positioning pieces 16 are installed between the six groups of reinforcing frames for positioning and reinforcing treatment;

Working principle: when the device is used, by means of the plurality of groups of positioning holes on the surface of the upper frame platform 1, the upper frame platform 1 can be installed and fixed in an auxiliary mode through the matching of corresponding anchoring pieces and the positioning holes, the servo motor 8 is matched with the speed reducer 9, the crank 3 can be driven to rotate, the crank 3 drives the crank 11 to move, the upper frame platform 1 can be driven to lift under the assistance of 12 and 13, the three groups of servo motors 8 are synchronously started to drive the upper frame platform 1 to move up and down, and the upper frame platform 1 moves in a left-right displacement mode, a front-back displacement mode, a pitching mode, a rolling mode, a yawing mode and the like, the six groups of reinforcing frames 15 are installed at the bottom position of the upper frame platform 1 and distributed in a ring mode, and meanwhile installation positioning pieces 16 are installed among the six groups of reinforcing frames to perform positioning reinforcing treatment.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (4)

1. The utility model provides a high low 6 degrees of freedom crank structure platforms, includes upper frame platform (1) and lower frame platform (7), its characterized in that: the top of lower frame platform (7) is provided with six groups crank base (10), and all installs speed reducer (9) and servo motor (8) on crank base (10), the output and the speed reducer (9) hub connection of servo motor (8), the output of speed reducer (9) is connected with crank rotation back shaft (6), is connected with on crank rotation back shaft (6) crank (3), one side swing joint of crank (3) has first crank rotation axis (5), one side swing joint of first crank rotation axis (5) has second crank rotation axis (4) and connecting rod swing arm subassembly (11), the rotation is fixed between connecting rod swing arm subassembly (11) and first crank rotation axis (5) through second crank rotation axis (4), the top swing joint of connecting rod swing arm subassembly (11) has third connecting rod rotation conversion axle (2), the top swing joint of third connecting rod rotation conversion axle (2) has first connecting rod rotation conversion axle (12) and second connecting rod rotation conversion axle (13), one side swing joint of first crank rotation axis (3) has between swing arm rotation platform (13) rotation axis (13).

2. A low 6 degree of freedom crank construction platform according to claim 1 wherein: the surface of the upper frame platform (1) is provided with a plurality of positioning holes which are distributed at equal intervals.

3. A low 6 degree of freedom crank construction platform according to claim 1 wherein: the cross section of the upper frame platform (1) is smaller than that of the lower frame platform (7), and the upper frame platform (1) and the lower frame platform (7) are distributed in parallel.

4. A low 6 degree of freedom crank construction platform according to claim 1 wherein: the middle position of the upper frame platform (1) is provided with a reserved groove (14), six groups of reinforcing frames (15) are arranged at the bottom end of the upper frame platform (1), and mounting locating pieces (16) are arranged on the inner sides between the reinforcing frames (15).