CN219265953U

CN219265953U - Experimental equipment

Info

Publication number: CN219265953U
Application number: CN202223481320.2U
Authority: CN
Inventors: 罗吉祥; 温敏
Original assignee: Nanchang Institute of Technology
Current assignee: Nanchang Institute of Technology
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-27
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses experimental equipment, which comprises an experimental platform, wherein the lower end of the experimental platform is fixedly connected with a protective box, two sliding grooves are symmetrically formed in the inner wall of the protective box, two sliding blocks are symmetrically and slidably connected with the inner wall of the sliding grooves, the side walls of the two sliding blocks, which are close to each other, are fixedly connected with an operation platform together, the upper end of the operation platform is fixedly connected with a fixing frame, the upper end of the fixing frame is fixedly connected with a hydraulic cylinder, the movable end of the hydraulic cylinder penetrates through the inner top of the fixing frame and is fixedly connected with a pressing block, a fixing mechanism is arranged on the fixing frame, the fixing mechanism comprises two electric push rods symmetrically and fixedly connected with the inner wall of the fixing frame, and the movable ends of the two electric push rods are fixedly connected with two fixing plates. According to the utility model, the sliding block is driven to slide downwards by driving the motor to rotate, the experiment platform is stored in the protective box, and the protective door is covered, so that the experiment platform can be prevented from being exposed to the outside and damaged, and the experiment platform can be prevented from falling ash.

Description

Experimental equipment

Technical Field

The utility model relates to the technical field of experimental equipment, in particular to experimental equipment.

Background

The engineering mechanics relates to a plurality of branches of mechanics disciplines and wide engineering technical field, is a technical basic discipline which has strong theoretical nature and is closely related to engineering technology, theories, laws and conclusions of the engineering mechanics are widely applied to engineering technologies of various industries, are important bases for solving practical problems of engineering, and the theory of the engineering mechanics needs to be subjected to experimental inspection, so experimental equipment is needed to be used as assistance.

In the existing engineering mechanics experiments, the yield points of various different types of materials are required to be detected, and in the experimental process, due to the fact that the materials lack of a fixed device, the materials shake in the experimental process to influence the accuracy of experimental data, in addition, experimental equipment is directly exposed to the outside air when not used, the experimental equipment can collide to be damaged, and the experiment table is exposed to the outside air to fall ash, students also need to clean the experimental equipment in a classroom, so that a large amount of learning time is wasted, and the learning efficiency of the students is reduced.

Based on this we propose an experimental setup.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides experimental equipment.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an experimental facilities, includes the experiment platform, experiment platform lower extreme fixedly connected with protective housing, two spouts have been seted up to protective housing inner wall symmetry, two spout inner wall symmetry sliding connection has two sliders, two the lateral wall that the slider is close to each other is fixedly connected with operation platform jointly, operation platform upper end fixedly connected with mount, mount upper end fixedly connected with hydraulic cylinder, the hydraulic cylinder expansion end runs through top and fixedly connected with pressure block in the mount, install fixed establishment on the mount.

Preferably, the fixing mechanism comprises two electric push rods which are symmetrically and fixedly connected to the inner wall of the fixing frame, and two movable ends of the electric push rods are fixedly connected with two fixing plates.

Preferably, a driving mechanism is installed in the chute, the driving mechanism comprises two lead screws which are rotationally connected to the inner walls of the two chute, the two side walls of the lead screws are respectively in threaded connection with the two sliding blocks, the lower end of the protective box is fixedly connected with a motor through a bracket, the output end of the motor penetrates through the lower end of the protective box and is fixedly connected with one of the lead screws, the side wall of the output end of the motor is fixedly connected with a driving wheel, the other lower end of the lead screw penetrates through the lower end of the protective box and is fixedly connected with a driven wheel, and the driving wheel is connected with the driven wheel through a synchronous belt.

Preferably, a plurality of balls are rotatably connected to the inner walls of the two sliding grooves.

Preferably, the protection box upper end rotates and is connected with the guard gate, the guard gate other end passes through threaded rod and experimental platform upper end fixed connection.

Preferably, the lower end of the experiment platform is symmetrically and fixedly connected with a support column, and the lower end of the support column is fixedly connected with the ground through an expansion screw.

The utility model has the beneficial effects that:

1. through setting up protective housing, spout, slider, operation platform, guard gate and actuating mechanism, rotate through driving motor, drive the slider and slide downwards, accomodate operation platform into the protective housing to cover the guard gate, can prevent that operation platform from exposing outside and suffering the damage, also can prevent operation platform dust fall.

2. Through setting up fixed establishment, through driving electric putter extension, drive two fixed plates and be close to, press from both sides tightly fixedly to the material, avoid the material to rock in the experimental process for experimental data is inaccurate.

3. Through setting up the ball, the slider can rotate when the spout inner wall slides, changes the sliding friction between slider and the spout inner wall into rolling friction, reduces frictional force, and the slider of being convenient for slides, can reduce the load of motor simultaneously, prolongs the life of motor.

Drawings

FIG. 1 is a schematic diagram of an experimental apparatus according to the present utility model;

fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

In the figure: the experiment device comprises an experiment platform 1, a protective box 2, a chute 3, a sliding block 4, an operation platform 5, a fixing frame 6, a hydraulic cylinder 7, a pressurizing block 8, an electric push rod 9, a fixing plate 10, a lead screw 11, a motor 12, a driving wheel 13, a driven wheel 14, a ball 15 and a protective door 16.

Detailed Description

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.

Referring to fig. 1-2, an experimental facility, including experiment platform 1, experiment platform 1 lower extreme symmetry fixedly connected with support column, and support column lower extreme passes through expansion screw and ground fixed connection, experiment platform 1 lower extreme fixedly connected with protective housing 2, two spouts 3 have been seted up to protective housing 2 inner wall symmetry, two slider 4 of two spout 3 inner wall symmetry sliding connection, the mutual lateral wall that is close to of two sliders 4 is fixedly connected with operation platform 5 jointly, operation platform 5 upper end fixedly connected with mount 6, mount 6 upper end fixedly connected with hydraulic cylinder 7, hydraulic cylinder 7 expansion end runs through the top in the mount 6 and fixedly connected with pressing block 8, install fixed establishment on the mount 6.

The fixing mechanism comprises two electric push rods 9 which are symmetrically and fixedly connected to the inner wall of the fixing frame 6, and two fixing plates 10 are fixedly connected to the movable ends of the two electric push rods 9.

The driving mechanism is arranged in the sliding groove 3 and comprises two lead screws 11 which are rotationally connected to the inner walls of the two sliding grooves 3, the side walls of the two lead screws 11 are respectively in threaded connection with the two sliding blocks 4, the lower end of the protective box 2 is fixedly connected with a motor 12 through a bracket, the output end of the motor 12 penetrates through the lower end of the protective box 2 and is fixedly connected with one lead screw 11, the side wall of the output end of the motor 12 is fixedly connected with a driving wheel 13, the lower end of the other lead screw 11 penetrates through the lower end of the protective box 2 and is fixedly connected with a driven wheel 14, and the driving wheel 13 is connected with the driven wheel 14 through a synchronous belt.

The side wall of the sliding block 4 abuts against the inner wall of the chute 3, so that the sliding block 4 cannot rotate together with the screw 11.

It should be noted that the threads on the two lead screws 11 are arranged in the same direction, and the shape and the diameter of the driving wheel 13 and the driven wheel 14 are identical, so that the two lead screws 11 can be guaranteed to rotate in the same direction and at the same speed, and further the two sliding blocks 4 can slide synchronously on the inner walls of the two sliding grooves 3.

The two inner walls of the sliding groove 3 are rotationally connected with a plurality of balls 15, when the sliding block 4 slides on the inner wall of the sliding groove 3, the balls 15 rotate to convert sliding friction between the sliding block 4 and the inner wall of the sliding groove 3 into rolling friction, so that friction force is reduced, the sliding block 4 is convenient to slide, meanwhile, the load of the motor 12 can be reduced, and the service life of the motor 12 is prolonged.

The upper end of the protective box 2 is rotationally connected with a protective door 16, the other end of the protective door 16 is fixedly connected with the upper end of the experiment platform 1 through a threaded rod, and a sealing gasket is glued at the upper end of the protective box 2, so that sealing is formed between the protective door 16 and the protective box 2.

In the utility model, during experiments, firstly, a threaded rod is rotated out, a protective door 16 is opened, then a driving motor 12 is driven to rotate, one of screw rods 11 is driven to rotate and synchronously drive a driving wheel 13 to rotate, a driven wheel 14 is driven to rotate, and the other screw rod 11 is driven to rotate, so that the two screw rods 11 rotate at the same speed and in the same direction, the two sliding blocks 4 are driven to synchronously slide upwards on the inner walls of two sliding grooves 3 respectively, an operation platform 5 is driven to move upwards to the highest point, then a material to be detected is placed on the operation platform 5, two electric push rods 9 are driven to extend, two fixing plates 10 are driven to mutually approach each other to clamp and fix the material, then a hydraulic cylinder 7 is driven to extend, a pressurizing block 8 is driven to move downwards to pressurize the material, and the yield point of the material is detected.

After detection is completed, the driving motor 12 reversely rotates to drive the two lead screws 11 to synchronously reversely rotate, then drives the two sliding blocks 4 to synchronously slide downwards to drive the operation platform 5 to move downwards to the lowest point, the operation platform 5 is stored in the protective box 2, then the protective door 16 is covered, the threaded rod is rotated in, the protective door 16 is fixed, the protective box 2 is sealed, the operation platform 5 is prevented from being exposed to the outside and damaged, and the operation platform 5 can be prevented from falling ash.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an experimental facilities, includes experiment platform (1), its characterized in that, experiment platform (1) lower extreme fixedly connected with protective housing (2), two spouts (3) have been seted up to protective housing (2) inner wall symmetry, two spout (3) inner wall symmetry sliding connection has two sliders (4), two the lateral wall that slider (4) are close to each other is fixedly connected with operation platform (5) jointly, operation platform (5) upper end fixedly connected with mount (6), mount (6) upper end fixedly connected with hydraulic cylinder (7), top and fixedly connected with pressing block (8) in hydraulic cylinder (7) expansion end runs through mount (6), install fixed establishment on mount (6).

2. The experimental facility according to claim 1, wherein the fixing mechanism comprises two electric push rods (9) symmetrically and fixedly connected to the inner wall of the fixing frame (6), and two fixing plates (10) are fixedly connected to the movable ends of the two electric push rods (9).

3. An experimental facility according to claim 2, characterized in that a driving mechanism is installed in the chute (3), the driving mechanism comprises two lead screws (11) rotatably connected to the inner walls of the two chute (3), the two lead screws (11) are respectively in threaded connection with the two sliding blocks (4), the lower end of the protective box (2) is fixedly connected with a motor (12) through a bracket, the output end of the motor (12) penetrates through the lower end of the protective box (2) and is fixedly connected with one of the lead screws (11), the side wall of the output end of the motor (12) is fixedly connected with a driving wheel (13), the lower end of the other lead screw (11) penetrates through the lower end of the protective box (2) and is fixedly connected with a driven wheel (14), and the driving wheel (13) is connected with the driven wheel (14) through a synchronous belt.

4. An experimental device according to claim 3, characterized in that a plurality of balls (15) are rotatably connected to the inner walls of both of the slide grooves (3).

5. The experimental equipment according to claim 1, wherein the upper end of the protective box (2) is rotatably connected with a protective door (16), and the other end of the protective door (16) is fixedly connected with the upper end of the experimental platform (1) through a threaded rod.

6. An experimental device according to claim 1, wherein the lower end of the experimental platform (1) is symmetrically and fixedly connected with a support column, and the lower end of the support column is fixedly connected with the ground through an expansion screw.