CN215474255U

CN215474255U - Universal wheel lifting structure of biochemical laboratory test bed

Info

Publication number: CN215474255U
Application number: CN202121659206.7U
Authority: CN
Inventors: 周秋实
Original assignee: Qingdao Jintianqi Technology Development Co ltd
Current assignee: Qingdao Jintianqi Technology Development Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-01-11
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a universal wheel lifting structure of a biochemical laboratory test bed, which relates to the field of laboratory equipment and comprises a test bed, a supporting shell, a supporting frame, a driving mechanism and a universal wheel lifting mechanism, wherein the driving mechanism comprises a motor groove, a motor, a speed reducer, a fixing frame, a screw rod, a guide sliding groove and a threaded sliding block, and the universal wheel lifting mechanism comprises a side mounting frame, a hinged wheel, a transposition arm, a universal wheel seat, a universal wheel, a guide wheel, a steel wire rope and a reset spring. According to the design scheme, the universal wheel of the test bed realizes an automatic lifting function through the design of the universal wheel lifting mechanism and the driving mechanism, the test bed can be reliably positioned in the experimental use process, the universal wheel can be dropped and the whole test bed can be lifted to move when the test bed needs to move, and the practicability of the test bed is greatly improved.

Description

Universal wheel lifting structure of biochemical laboratory test bed

Technical Field

The utility model relates to the field of laboratory equipment, in particular to a universal wheel lifting structure of a biochemical laboratory test bed.

Background

At present biochemical laboratory test bench is for removing convenient generally at support frame lower extreme installation universal wheel, and in the in-service use process, although the universal wheel can realize automatic positioning, nevertheless because wheel body and ground area of contact undersize can not provide sufficient frictional force and fix a position whole test bench, lead to the test bench to fix a position unstably when using, influence the practicality.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a universal wheel lifting structure of a biochemical laboratory test bed.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a universal wheel lifting structure of a biochemical laboratory test bed comprises a test bed, a supporting shell, a supporting frame, a driving mechanism and a universal wheel lifting mechanism, wherein the driving mechanism comprises a motor groove, a motor, a speed reducer, a fixing frame, a screw rod, a guide sliding groove and a threaded sliding block, the universal wheel lifting mechanism comprises a side mounting frame, a hinged wheel, a transposition arm, a universal wheel seat, a universal wheel, a guide wheel, a steel wire rope and a reset spring, the supporting shell is divided into 2 groups and is rigidly mounted on the lower end face of the test bed in a front-back symmetrical mode, the supporting frame is mounted inside the supporting shell, the driving mechanism is divided into 2 groups and is respectively mounted on the 2 groups of supporting frames, the universal wheel lifting mechanism is respectively mounted at the lower ends of the 2 groups by taking the 2 groups of the 2 groups which are symmetrical in the left-right mode as a group, the motor groove is arranged in the middle position of the supporting frame, the motor is rigidly installed in a motor groove through a motor support, the speed reducer is fixed on a motor shell through a speed reducer support, the fixing frame is rigidly installed at the upper end of a guide sliding groove, the guide sliding groove is arranged at the lower end of the motor groove, the head end of a screw is installed on the fixing frame in a matched mode through a bearing, the head end of the screw is rigidly connected to the power output end of the speed reducer, the thread sliding blocks are installed on the screw and the guide sliding groove in a matched mode, the lateral installation frames are divided into 2 groups and are bilaterally symmetrical and respectively arranged at the left side part and the right side part of the lower end of the support frame, the hinged wheels are installed on the lateral installation frames in a matched mode through rotating shafts, the head end of the hinged wheels are rigidly integrated and installed on the front end and the rear end of the hinged wheels, the universal wheel seats are hinged and installed at the tail ends of the hinged arms, the universal wheels are divided into 2 groups and are bilaterally symmetrical and are installed on the universal wheel seats, the guide wheels are installed on a wheel frame in a matched mode, the head end of the steel wire rope is rigidly mounted on the hinge wheel, the wire rope runs through the guide wheel, and the tail end of the steel wire rope is rigidly mounted on the threaded sliding block.

According to the universal wheel lifting structure of the biochemical laboratory test bed, the steel wire rope is wound on the outer wall of the hinged wheel for multiple circles.

The test bed universal wheel has the advantages that the design scheme of the test bed universal wheel realizes the automatic lifting function through the design of the universal wheel lifting mechanism and the driving mechanism, the reliable positioning of the test bed can be kept in the experimental use process, the universal wheel can be dropped and the whole test bed can be lifted to move when the test bed needs to be moved, and the practicability of the test bed is greatly improved.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal installation structure of the support housing of the present invention.

In the figure, 1, a test bed, 2, a support shell, 3, a support frame, 4, a motor groove, 5, a motor, 6, a speed reducer, 7, a fixed frame, 8, a screw rod, 9, a guide sliding groove, 10, a threaded sliding block, 11, a side mounting frame, 12, a hinged wheel, 13, a transposition arm, 14, a universal wheel seat, 15, a universal wheel, 16, a guide wheel, 17, a steel wire rope and 18, a reset spring are arranged.

Detailed Description

In order to more clearly illustrate the technical solution of the present invention, the following further description is made with reference to the accompanying drawings, and it is obvious that the following described drawings are only one embodiment of the present invention, and it is within the scope of the present invention for a person of ordinary skill in the art to obtain other embodiments based on the drawings and the embodiment without any creative effort.

A universal wheel lifting structure of a biochemical laboratory test bed comprises a test bed 1, a supporting shell 2, a supporting frame 3, a driving mechanism and a universal wheel lifting mechanism, wherein the driving mechanism comprises a motor groove 4, a motor 5, a speed reducer 6, a fixing frame 7, a screw 8, a guide sliding groove 9 and a threaded sliding block 10, the universal wheel lifting mechanism comprises a side mounting frame 11, a hinged wheel 12, a transposition arm 13, a universal wheel seat 14, a universal wheel 15, a guide wheel 16, a steel wire rope 17 and a reset spring 18, the supporting shell 2 is divided into 2 groups, the front and the back of the 2 groups are symmetrically and rigidly mounted on the lower end face of the test bed 1, the supporting frame 3 is mounted on the lower end face of the test bed 1, the driving mechanism is divided into 2 groups and is respectively mounted on the 2 groups of supporting frames 3, the universal wheel lifting mechanism is respectively mounted at the lower ends of the 2 groups of the left and right symmetry, the motor groove 4 is arranged at the middle position of the support frame 3, the motor 5 is rigidly arranged in the motor groove 4 through a motor support, the reducer 6 is fixed on the shell of the motor 5 through a reducer support, the fixing frame 7 is rigidly arranged at the upper end of the guide chute 9, the guide chute 9 is arranged at the lower end of the motor groove 4, the head end of the screw rod 8 is arranged on the fixing frame 7 through a bearing in a matching way, the head end of the screw rod 8 is rigidly connected with the power output end of the reducer 6, the thread sliding block 10 is arranged on the screw rod 8 and the guide chute 9 in a matching way, the lateral part mounting frames 11 are symmetrically arranged at the left side part and the right side part of the lower end of the support frame 3 in groups in a left-right way mode, the hinge wheel 12 is arranged on the lateral part mounting frame 11 through a rotating shaft in a matching way, the head end of the transposition arm 13 is rigidly and integrally arranged on the side wall at the front end and the back end of the hinge wheel 12, the universal wheel seat 14 is arranged at the tail end of the transposition arm 13 in a hinging way, the universal wheels 15 are symmetrically arranged on the universal wheel seat 14 in a left-right mode in groups of 2 in a matched mode, the guide wheels 16 are arranged on the wheel frames in a matched mode, the wheel frames of the guide wheels 16 are rigidly arranged on the bottom surface of the side mounting frame 11, the head ends of the steel wire ropes 17 are rigidly arranged on the hinged wheels 12, the steel wire ropes 17 are wired to pass through the guide wheels 16, and the tail ends of the steel wire ropes 17 are rigidly arranged on the threaded sliding blocks 10.

In detail, the steel wire rope 17 is wound around the outer wall of the hinge wheel 12 for a plurality of times.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims

1. The utility model provides a biochemical laboratory test bench universal wheel elevation structure, includes test bench (1), support casing (2), support frame (3), actuating mechanism, universal wheel elevating system, its characterized in that: the driving mechanism comprises a motor groove (4), a motor (5), a speed reducer (6), a fixing frame (7), a screw rod (8), a guide sliding groove (9) and a threaded sliding block (10), the universal wheel lifting mechanism comprises a side mounting frame (11), a hinged wheel (12), a transposition arm (13), a universal wheel seat (14), a universal wheel (15), a guide wheel (16), a steel wire rope (17) and a reset spring (18), the supporting shell (2) is divided into 2 groups and is rigidly mounted on the lower end face of the test bed (1), the supporting frame (3) is mounted inside the supporting shell (2), the driving mechanism is divided into 2 groups and is respectively mounted on the 2 groups of supporting frames (3), the universal wheel lifting mechanism is respectively mounted on the lower end of the 2 groups of supporting frames (3) by taking the 2 groups of bilateral symmetry as a group, the motor groove (4) is arranged at the middle position of the support frame (3), the motor (5) is rigidly arranged in the motor groove (4) through a motor support, the speed reducer (6) is fixed on a shell of the motor (5) through a speed reducer support, the fixing frame (7) is rigidly arranged at the upper end of the guide sliding groove (9), the guide sliding groove (9) is arranged at the lower end of the motor groove (4), the head end of the screw rod (8) is arranged on the fixing frame (7) through a bearing in a matching way, the head end of the screw rod (8) is rigidly connected with the power output end of the speed reducer (6), the thread sliding block (10) is arranged on the screw rod (8) and the guide sliding groove (9) in a matching way, the lateral part mounting frame (11) is divided into 2 groups and is arranged at the left and right side parts of the lower end of the support frame (3), and the hinge wheel (12) is arranged on the lateral part mounting frame (11) through a rotating shaft in a matching way, transposition arm (13) head end rigidity integral type is installed in transposition wheel (12) front and back end lateral wall, universal wheel seat (14) are articulated to be installed at transposition arm (13) end, universal wheel (15) divide 2 groups bilateral symmetry cooperation to be installed in universal wheel seat (14), leading wheel (16) cooperation is installed in the wheel carrier, leading wheel (16) wheel carrier rigid mounting is in lateral part mounting bracket (11) bottom surface, wire rope (17) head end rigid mounting is in transposition wheel (12), wire rope (17) are walked line and are passed through leading wheel (16), wire rope (17) end rigid mounting is in threaded slider (10).

2. The universal wheel lifting structure of the biochemical laboratory test bed according to claim 1, characterized in that the steel wire rope (17) is wound around the outer wall of the hinged wheel (12) for a plurality of times.