CN214752497U

CN214752497U - A presentation device for demonstrating thin shell structure bearing performance

Info

Publication number: CN214752497U
Application number: CN202120671736.7U
Authority: CN
Inventors: 左依宸; 左超
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-11-16
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses a presentation device for demonstrating shell structure bearing performance, constitute including bottom plate, apron, guider, liquid box and a plurality of ball bubble lamp, bottom plate and apron all are flat structure, and the last fixed surface of bottom plate installs a plurality of lamp stands, through wire series connection between the lamp stand, and the end of wire has connect the plug, the utility model has the advantages of simple and reasonable structure, use convenient operation, based on traditional experiment demonstration ball bubble lamp shell intensity that pushes down, wholly possess guide structure, and possess the slow-down structure, avoid the great impact that causes of impulse to exceed the threshold value, and extended the demonstration scope, can effectual show whole process of pushing down to let the demonstration more directly perceived and stable.

Description

A presentation device for demonstrating thin shell structure bearing performance

Technical Field

The utility model belongs to the technical field of the experimental demonstration of intensity and specifically relates to a presentation device for demonstrating thin shell structure bearing performance is related to.

Background

To thin shell intensity demonstration such as traditional spherical shell, adopt lamps and lanterns circular telegram usually, and utilize the condition of apron voltage-sharing, trample the apron and reach the demonstration effect through the personnel, but because the lamp body surface is arc surface structure, traditional demonstration is in the groove that corresponds with the casing part embedding more, consequently there is some not audio-visual step in the demonstration process, and adopt the mode that the interval formula was pushed down, owing to there is certain impulse, can lead to the casing to exceed the resistance to compression threshold value, and the process of pushing down has the direction deviation and also lets the spherical shell damage easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A demonstration device for demonstrating the bearing performance of a thin-shell structure comprises a bottom plate, a cover plate, a guide device, a liquid storage box and a plurality of bulb lamps, wherein the bottom plate and the cover plate are both of a flat-plate structure, a plurality of lamp holders are fixedly mounted on the upper surface of the bottom plate, the lamp holders are connected in series through wires, the tail ends of the wires are connected with plugs, the bulb lamps are vertically screwed into the corresponding lamp holders, and the bulb lamps are powered on to indicate that the state is normal when the plugs are connected to a power supply;

the lower surface of the cover plate is provided with a plurality of grooves corresponding to the lamp holders, the cover plate is used as a plate for applying pressure and covers the bulb lamps, the shell part of each bulb lamp is embedded into the corresponding groove, and at the moment, an experiencer stands on the cover plate to apply pressure and tests the shell strength of the bulb lamps, so that a certain interactive propaganda effect is achieved;

the guiding device is arranged between the bottom plate and the cover plate and comprises a sleeve, a guide rod, a piston and a sealing ring, the sleeve is fixed at the center of the upper surface of the bottom plate, the guide rod is fixed at the center of the lower surface of the cover plate, the guide rod is movably inserted into the sleeve from top to bottom, the piston is fixed at the bottom of the guide rod and is positioned in the sleeve, the sealing ring is arranged between the sliding contact surface of the piston and the sleeve, the sealing ring is circumferentially and fixedly sleeved on the piston, and the guiding device plays a role in vertically guiding the relative movement between the bottom plate and the cover plate, so that the relative movement deviation between the bottom plate and the cover plate can be avoided, and the situation that the bulb lamp is partially broken due to the uneven local stress is avoided; a sealing cavity is arranged between the piston and the inner bottom surface of the sleeve, a through hole communicated with the sealing cavity is formed in the outer surface of the sleeve, a liquid guide pipe made of metal is butted at an outer port of the through hole, the liquid guide pipe is of a bent and upwards extending structure, the other end of the liquid guide pipe is butted on a liquid outlet in the bottom surface of the liquid storage box, and the liquid guide pipe plays a role in communicating the liquid storage box with the sealing cavity and supporting the liquid storage box; the liquid guide pipe is provided with an adjusting valve in series connection, and the adjusting valve plays a role in adjusting the flow rate; by adding a certain solution, such as water or fluid such as insulating oil and the like, into the liquid storage box, the solution in the liquid storage box flows into the sealing cavity through the liquid guide pipe to realize filling; in the process of demonstration of actual pressure, guider not only plays the effect of direction, move down the in-process of compression seal chamber when the piston, the fluid returns to in holding the liquid box through the catheter branch, this moment through the valve aperture of adjustment governing valve in advance, make solution slowly pass through the catheter, the compression process of seal chamber just can be prolonged like this, and the piston moves down speed just can be slowed down, thereby make the apron at the in-process momentum that pushes down by effectual weakening, avoid causing the overload impact to the casing of ball bubble lamp, also can effectually demonstrate whole process of pushing down simultaneously, thereby let the demonstration more directly perceived and stable.

As a further aspect of the present invention: the liquid storage box is located at a position above the through hole, is located below the lowest displacement surface of the cover plate, and is provided with an air hole in the top surface.

As a further aspect of the present invention: the cover plate and the bottom plate are made of metal or engineering plastic materials.

As a further aspect of the present invention: the piston and the sleeve are made of metal materials, and the sleeve is of a round and straight tubular structure.

As a further aspect of the present invention: the inner surface of the groove is of an arc surface structure, and the arc surface structure is used for being attached to the surface of a shell of the bulb lamp.

The utility model has the advantages that: the utility model has the advantages of simple and reasonable structure, use convenient operation, based on traditional experiment demonstration ball bubble lamp casing intensity that pushes down, wholly possess guide structure, and possess the structure of slowing down, avoid the great impact that causes of impulse to exceed the threshold value, and extended the demonstration scope, can effectual show whole process of pushing down to let demonstration more directly perceived and stable.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

fig. 2 is a schematic structural diagram of the middle cover plate of the present invention.

Fig. 3 is a schematic structural diagram of the middle bottom plate of the present invention.

Fig. 4 is a usage effect diagram of the present invention.

Fig. 5 is a schematic structural diagram of the middle guide device of the present invention.

In the figure: 1-bottom plate, 2-cover plate, 3-lamp holder, 4-bulb lamp, 5-lead, 6-guiding device, 7-liquid guide tube, 8-regulating valve, 9-liquid storage box, 10-groove, 11-sleeve, 12-guide rod, 13-piston, 14-sealing ring and 15-through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a demonstration apparatus for demonstrating a load-bearing performance of a thin shell structure includes a bottom plate 1, a cover plate 2, a guiding device 6, a liquid storage box 9 and a plurality of bulb lamps 4, wherein the bottom plate 1 and the cover plate 2 are both flat-plate structures, the upper surface of the bottom plate 1 is fixedly provided with a plurality of lamp sockets 3, the lamp sockets 3 are connected in series through wires 5, the ends of the wires 5 are connected with plugs, the bulb lamps 4 are vertically screwed into the corresponding lamp sockets 3, and when the plugs are connected to a power supply, the bulb lamps 4 are powered on to indicate a normal state;

the lower surface of the cover plate 2 is provided with a plurality of grooves 10 corresponding to the lamp holders 3, the cover plate 2 is used as a plate for applying pressure and covers the bulb lamps 4, the shell part of each bulb lamp 4 is embedded into the corresponding groove 10, and at the moment, an experiencer stands on the cover plate 2 to apply pressure and tests the shell strength of the bulb lamps 4, so that a certain interactive propaganda effect is achieved;

the guide device 6 is arranged between the bottom plate 1 and the cover plate 2, the guide device 6 comprises a sleeve 11, a guide rod 12, a piston 13 and a sealing ring 14, the sleeve 11 is fixed at the central position of the upper surface of the bottom plate 1, the guide rod 12 is fixed at the central position of the lower surface of the cover plate 2, the guide rod 12 is movably inserted into the sleeve 11 from top to bottom, the piston 13 is fixed at the bottom position of the guide rod 12 and is positioned in the sleeve 11, the sealing ring 14 is arranged between the sliding contact surfaces of the piston 13 and the sleeve 11, the sealing ring 14 is fixedly sleeved on the piston 13 in the circumferential direction, and the guide device 6 plays a vertical guide role in relative movement of the bottom plate 1 and the cover plate 2 at the moment, so that the situation that the bottom plate 1 and the cover plate 2 move relatively and the situation that partial bulb lamp 4 is broken due to uneven local stress is avoided; a sealing cavity is arranged between the piston 13 and the inner bottom surface of the sleeve 11, a through hole 15 communicated with the sealing cavity is formed in the outer surface of the sleeve 11, a liquid guide pipe 7 made of metal is butted at an outer port of the through hole 15, the liquid guide pipe 7 is of a bent upward extending structure, the other end of the liquid guide pipe 7 is butted on a liquid outlet in the bottom surface of the liquid storage box 9, and the liquid guide pipe 7 plays a role in communicating the liquid storage box 9 with the sealing cavity and supporting the liquid storage box 9; the liquid guide pipe 7 is provided with an adjusting valve 8 in series, and the adjusting valve 8 plays a role in adjusting the flow rate; the liquid in the liquid storage box 9 flows into the sealing cavity through the liquid guide pipe 7 to realize filling by adding a certain amount of liquid, such as water or fluid such as insulating oil, into the liquid storage box 9; in the process of actual pressure demonstration, guider 6 not only plays the effect of direction, move down the in-process of compression seal chamber when piston 13, the fluid returns to in holding the liquid box 9 through catheter 7 branch, this moment through the valve aperture of adjustment governing valve 8 in advance, make solution slowly pass through catheter 7, the compression process of seal chamber just can be prolonged like this, and piston 13 moves down speed just can be slowed down, thereby make and let apron 2 by effectual weakening at the in-process momentum of pushing down, avoid causing the overload impact to the casing of ball bubble lamp 4, the whole process of pushing down of effectual show simultaneously also, thereby let the demonstration more directly perceived and stable.

The liquid storage box 9 is positioned above the through hole 15, the liquid storage box 9 is positioned below the lowest displacement surface of the cover plate 2, and an air hole is formed in the top surface of the liquid storage box 9.

The cover plate 2 and the bottom plate 1 are made of metal or engineering plastic materials.

The piston 13 and the sleeve 11 are both made of metal materials, and the sleeve 11 is of a round straight tubular structure.

The inner surface of the groove 10 is of an arc surface structure, and the arc surface structure is used for being attached to the surface of the shell of the bulb lamp 4.

The utility model discloses a theory of operation is: experience personnel stand and exert pressure on apron 2, and with this casing intensity of test ball bubble lamp 4, thereby reach certain interactive propaganda effect, set up stable guide structure simultaneously, valve aperture through adjustment governing valve 8 in advance, make solution slowly pass through catheter 7, the compression process of sealed chamber just can be prolonged like this, and piston 13 moves down speed just can be slowed down, thereby make and let apron 2 by effectual weakening at the in-process impulse that pushes down, avoid causing the overload impact to the casing of ball bubble lamp 4, also can effectually demonstrate whole process of pushing down simultaneously, thereby let demonstration more directly perceived and stable.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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

1. A demonstration device for demonstrating the bearing performance of a thin-shell structure comprises a bottom plate, a cover plate, a guide device, a liquid storage box and a plurality of bulb lamps, wherein the bottom plate and the cover plate are both of a flat-plate-shaped structure, a plurality of lamp holders are fixedly arranged on the upper surface of the bottom plate, the lamp holders are connected in series through wires, the tail ends of the wires are connected with plugs, and the bulb lamps are vertically screwed into the corresponding lamp holders;

the lower surface of the cover plate is provided with a plurality of grooves corresponding to the lamp holders;

the guide device is arranged between the bottom plate and the cover plate and comprises a sleeve, a guide rod, a piston and a sealing ring, the sleeve is fixed at the central position of the upper surface of the bottom plate, the guide rod is fixed at the central position of the lower surface of the cover plate, the guide rod is movably inserted into the sleeve from top to bottom, the piston is fixed at the bottom position of the guide rod and is positioned in the sleeve, the sealing ring is arranged between the piston and the sliding contact surface of the sleeve, the sealing ring is fixedly sleeved on the piston in the circumferential direction, a sealing cavity is arranged between the piston and the inner bottom surface of the sleeve, a through hole communicated with the sealing cavity is formed in the outer surface of the sleeve, a liquid guide pipe made of metal is butted at the outer port of the through hole, the liquid guide pipe is of a bent and upwards extending structure, the other end of the liquid guide pipe is butted at the liquid outlet in the bottom surface of the liquid storage box, and a regulating valve is installed on the liquid guide pipe in series.

2. A demonstration apparatus for demonstrating the load bearing capacity of a thin shell structure as claimed in claim 1, wherein said reservoir is located at a height above said through hole, and said reservoir is located below the lowest displacement surface of said cover, and said reservoir has an air hole on its top surface.

3. A demonstration apparatus for demonstrating the bearing capacity of a thin shell structure as claimed in claim 1, wherein said piston and said sleeve are made of metal material, and said sleeve is cylindrical.

4. A demonstration apparatus for demonstrating the load bearing capability of a thin shell structure as claimed in claim 1 wherein said inner surface of said recess is a cambered surface for conforming to the surface of the shell of said bulb lamp.

5. A demonstration device for demonstrating the load bearing capacity of a thin shell structure as claimed in claim 1, wherein said cover plate and said bottom plate are made of metal or engineering plastic.