CN218623829U

CN218623829U - Flashboard control device capable of automatically lifting

Info

Publication number: CN218623829U
Application number: CN202223017669.0U
Authority: CN
Inventors: 孙晓芳; 张世崧; 张磊; 李茂林; 姚忠山; 李庆红; 余向军; 王�华
Original assignee: PLA Dalian Naval Academy
Current assignee: PLA Dalian Naval Academy
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-14
Anticipated expiration: 2032-11-14

Abstract

The utility model provides a but flashboard controlling means of automatic rising belongs to pneumatic transmission control technical field. The device comprises a cylinder body, a lifting isolation plate, an isolation plate guide groove, a mounting base, a telescopic cylinder, a cylinder descending air supply pipe, a cylinder ascending air supply pipe, a manual reversing valve, an air compressor and an exhaust throttle valve. Flashboard controlling means can regard as the perpendicular disturbance device when producing the gravity internal wave under the hydrodynamics laboratory condition, can lightly, realize the vertical lift of flashboard rapidly, reduce in the past because the shake and go up and down the problem that the experimental phenomenon is not obvious that leads to rapidly, utilize the pneumatic transmission control technique, easy operation is not hard. The utility model discloses in adopt bolted connection more, overall structure rigidity is good, and the structure vibration is little when the flashboard goes up and down.

Description

Flashboard control device capable of automatically lifting

Technical Field

The utility model belongs to the technical field of pneumatic transmission control, a but flashboard controlling means of automatic rising is related to for the relevant separation formula of fluid makes the ripples experiment.

Background

At present, in wave-making experiments under the condition of a fluid mechanics laboratory, the requirements on the lifting speed and the position accuracy of the flashboard are very high. However, in actual experiments, the manual pulling and inserting mode is often adopted, at least two persons are required to pull and insert the gate plate together on two sides by force at the same time due to the fact that the weight of the gate plate is large, force is inconsistent when the gate plate is pulled out, and therefore speed and accuracy are affected, and experiment effects are affected. Therefore, based on the current situation, a novel gate plate control device which utilizes a pneumatic transmission control technology to automatically adjust and control the lifting of a gate plate, is adjustable in lifting speed, accurate in lifting position, low in cost and simple to operate has obvious practical value.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the utility model provides a flashboard control device capable of automatically lifting.

The technical scheme of the utility model:

a flashboard control device capable of automatically lifting comprises a cylinder body 1, a lifting isolation plate 2, an isolation plate guide groove 3, an installation base 4, a telescopic cylinder 5, a cylinder descending air supply pipe 6, a cylinder ascending air supply pipe 7, a manual reversing valve 8, an air compressor 9 and an exhaust throttle valve 10.

The cylinder body 1 is of a U-shaped opening structure, and the inner walls of two sides of the cylinder body 1 are symmetrically and vertically provided with partition plate guide grooves 3; the lifting isolation plate 2 is used for being connected with the flashboard and embedded in the two isolation plate guide grooves 3, so that the lifting isolation plate is ensured not to deviate.

The number of the mounting bases 4 is two, and the mounting bases are formed by splicing vertical beams and cross beams; the two mounting bases 4 are symmetrically fixed on the outer walls of the two sides of the cylinder body 1 and keep the fixing direction parallel to the guide grooves of the isolation plates. Two telescopic cylinders 5 are respectively and symmetrically and vertically fixed on the two mounting bases 4, and piston rods of the two telescopic cylinders 5 are respectively and fixedly connected with two ends of a cross beam at the top of the lifting isolation plate 2.

The upper end of the telescopic cylinder 5 is connected with a cylinder descending air supply pipe 6, and the lower end of the telescopic cylinder 5 is connected with a cylinder ascending air supply pipe 7; the other ends of the cylinder descending air supply pipe 6 and the cylinder ascending air supply pipe 7 of the two telescopic cylinders 5 are both connected with the same manual reversing valve 8, and the cylinder descending air supply pipe 6 and the cylinder ascending air supply pipe 7 are respectively connected to different valve positions of the manual reversing valve 8. The manual reversing valve 8 is simultaneously connected with the air compressor 9, and compressed air generated by the air compressor 9 during working can simultaneously supply air to the telescopic air cylinders 5 on two sides through the manual reversing valve 8.

The joints of the cylinder descending air supply pipe 6 and the telescopic cylinder 5 and the joints of the cylinder ascending air supply pipe 7 and the telescopic cylinder 5 are both provided with exhaust throttle valves 10, and the opening of an exhaust valve port is controlled by manually adjusting nuts of the exhaust throttle valves 10, so that the exhaust speed of the telescopic cylinder 5 is limited.

The utility model has the advantages that: the utility model discloses can regard as the perpendicular disturbance device in the time of producing the gravity inner wave under the hydrodynamics laboratory condition, can lightly, realize the vertical lift of flashboard rapidly, reduce in the past because the shake and the lift not obvious problem of experimental phenomenon that leads to rapidly, utilize the air pressure transmission control technique, easy operation is not hard. The utility model discloses in adopt bolted connection more, overall structure rigidity is good, and the structure vibration is little when the flashboard goes up and down.

Drawings

Fig. 1 is a general structure diagram of the device of the present invention.

In the figure: 1, a cylinder body; 2 lifting the isolation plate; 3, isolating plate guide groove; 4, mounting a base; 5, a telescopic cylinder; 6 cylinder descending gas supply pipe; 7 cylinder ascending air supply pipe; 8, a manual reversing valve; 9 an air compressor; 10 exhaust throttle valve.

Detailed Description

The following describes the embodiments of the present invention with reference to the accompanying drawings and technical solutions.

The shutter control device capable of automatically lifting and lowering as shown in fig. 1 comprises a cylinder body 1, a lifting isolation plate 2, an isolation plate guide groove 3, a mounting base 4, a telescopic cylinder 5, a cylinder descending air supply pipe 6, a cylinder ascending air supply pipe 7, a manual reversing valve 8, an air compressor 9 and an exhaust throttle valve 10.

The number of the mounting bases 4 is two, and the mounting bases are formed by splicing two vertical beams and three cross beams; the two mounting bases 4 are symmetrically fixed on the outer walls of the two sides of the cylinder body 1 through bolts, and the fixing direction is kept parallel to the guide grooves of the isolation plates. Two telescopic cylinders 5 are respectively and symmetrically and vertically fixed on the two mounting bases 4 through nuts, and piston rods of the two telescopic cylinders 5 are respectively connected and fixed with two ends of a cross beam at the top of the lifting isolation plate 2.

And exhaust throttle valves 10 are respectively installed at the joints of the cylinder descending air supply pipe 6 and the telescopic cylinder 5 and the joints of the cylinder ascending air supply pipe 7 and the telescopic cylinder 5, and are used for controlling the opening of an exhaust valve port so as to limit the exhaust speed of the telescopic cylinder 5.

The specific implementation process of the gate plate control device is as follows:

firstly, an air compressor 9 is started, a manual reversing valve 8 is switched to a 1-position state, an air source is communicated with an air cylinder ascending air supply pipe 7, a telescopic air cylinder 5 ascends and extends out, meanwhile, compressed air in the telescopic air cylinder 5 flows back to the manual reversing valve 8 through an air cylinder descending air supply pipe 6 and is discharged into the environment until the telescopic air cylinder 5 completely extends out, and an isolation flashboard is completely opened; and then the manual reversing valve 8 is switched to a 2-position state, an air source is communicated with the cylinder descending air supply pipe 6, the telescopic cylinder 5 descends and retracts, and meanwhile, compressed air in the telescopic cylinder 5 flows back to the manual reversing valve 8 through the cylinder ascending air supply pipe 7 and is discharged to the environment until the telescopic cylinder 5 retracts completely and the isolation flashboard is closed completely. To control the exhaust speed of the telescopic cylinder, the opening of the exhaust valve port can be controlled by manually adjusting the exhaust throttle valve 10.

Claims

1. The flashboard control device capable of automatically lifting is characterized by comprising a cylinder body (1), a lifting isolation board (2), an isolation board guide groove (3), an installation base (4), a telescopic cylinder (5), a cylinder descending air supply pipe (6), a cylinder ascending air supply pipe (7), a manual reversing valve (8) and an air compressor (9);

the cylinder body (1) is of a U-shaped opening structure, and partition plate guide grooves (3) are symmetrically and vertically arranged on the inner walls of the two sides of the cylinder body (1); the lifting isolation plates (2) are embedded in the two isolation plate guide grooves (3) to ensure that the lifting isolation plates cannot deviate;

the number of the mounting bases (4) is two, the two mounting bases (4) are symmetrically fixed on the outer walls of the two sides of the cylinder body (1) and keep the fixing direction parallel to the guide grooves of the isolation plates; the two telescopic cylinders (5) are respectively symmetrically and vertically fixed on the two mounting bases (4), and piston rods of the two telescopic cylinders (5) are respectively connected and fixed with two ends of a cross beam at the top of the lifting isolation plate (2);

the upper end of the telescopic cylinder (5) is connected with a cylinder descending air supply pipe (6), and the lower end of the telescopic cylinder (5) is connected with a cylinder ascending air supply pipe (7); the other ends of the cylinder descending air supply pipe (6) and the cylinder ascending air supply pipe (7) of the two telescopic cylinders (5) are connected with the same manual reversing valve (8); the manual reversing valve (8) is simultaneously connected with the air compressor (9), and compressed air generated by the air compressor (9) during working simultaneously supplies air to the telescopic air cylinders (5) on two sides through the manual reversing valve (8).

2. The shutter control device capable of automatically ascending and descending according to claim 1, wherein the exhaust throttle valve (10) is installed at the joint of the cylinder descending air supply pipe (6) and the telescopic cylinder (5) and at the joint of the cylinder ascending air supply pipe (7) and the telescopic cylinder (5), and the opening of the exhaust throttle valve is controlled by manually adjusting the nut of the exhaust throttle valve (10), so as to limit the exhaust speed of the telescopic cylinder (5).

3. The shutter control apparatus according to claim 1 or 2, wherein the cylinder descent air supply pipe (6) and the cylinder ascent air supply pipe (7) are connected to different positions of a manual directional valve (8), respectively.

4. An automatically liftable ram control device according to claim 1 or 2, wherein the mounting base (4) is formed by splicing a vertical beam and a cross beam.

5. An automatically liftable ram control device according to claim 3, wherein the mounting base (4) is formed by splicing a vertical beam and a horizontal beam.