CN218496588U

CN218496588U - Material dynamic strength test equipment

Info

Publication number: CN218496588U
Application number: CN202222614296.9U
Authority: CN
Inventors: 张丽荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-01
Filing date: 2022-10-01
Publication date: 2023-02-17
Anticipated expiration: 2032-10-01

Abstract

The utility model discloses a material dynamic strength test equipment belongs to civil air defense material strength test technical field, comprising a base plate, two supporting shoes of the last fixed surface of bottom plate are connected with, two the common fixedly connected with of the upper surface of supporting shoe supports the roof, the last fixed surface of supporting the roof is connected with the power cover, the interior roof fixed mounting of power cover has the pneumatic cylinder, the flexible end fixedly connected with traveller of pneumatic cylinder, the bottom fixed mounting of traveller has pressure sensor, two the through-hole has all been seted up, two to a side that the supporting shoe is close to each other the spout has all been seted up, two to the interior roof of through-hole the equal sliding connection of inner wall of spout has the screw thread seat. This material dynamic strength test equipment reaches the fixed effect of people's air defense roof sample clamp, avoids people's air defense roof sample gliding phenomenon to appear when compressive strength tests, has improved the accuracy when people's air defense roof material compressive strength tests.

Description

Material dynamic strength test equipment

Technical Field

The utility model belongs to the technical field of civil air defense material strength test, more specifically say, in particular to material dynamic strength test equipment.

Background

The strength test refers to the maximum load that a material can bear on a unit area when the material is subjected to an external force, and generally the maximum load is represented by compressive strength, impact strength and the like, and the material has enough mechanical strength.

The strength test equipment is widely applied in the material test process, the civil air defense material also needs to be tested by using the strength test equipment, the strength test of the civil air defense material can know whether the pressure resistance of the civil air defense material is qualified or not and can reach the standard of civil air defense engineering, the civil air defense material comprises a civil air defense bottom plate, a civil air defense wall body, a civil air defense top plate and the like, but when the existing strength test equipment is used for testing the strength of the civil air defense top plate, the civil air defense top plate is difficult to fix the civil air defense top plate, the phenomenon that the civil air defense top plate slides easily occurs in the pressure resistance test can influence the accuracy in the pressure resistance test, and therefore, the material dynamic strength test equipment is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a material dynamic strength test equipment to when solving present strength test equipment to people's air defense roof strength test, be difficult to fix the roof to people's air defense, gliding phenomenon appears easily when the compressive strength test in people's air defense roof, the technical problem of accuracy when will influencing the compressive strength test.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a material dynamic strength test equipment, includes the bottom plate, the last fixed surface of bottom plate is connected with two supporting shoes, two the common fixedly connected with of the upper surface of supporting shoe supports the roof, the last fixed surface of supporting the roof is connected with the power cover, the interior roof fixed mounting of power cover has the pneumatic cylinder, the flexible end fixedly connected with traveller of pneumatic cylinder, the bottom fixed mounting of traveller has pressure sensor, two the through-hole has all been seted up to the side that the supporting shoe is close to each other, two the spout has all been seted up to the interior roof of through-hole, and the equal sliding connection of inner wall of two spouts has the screw thread seat, and the equal threaded connection of inner wall of two screw thread seats has the screw rod, and two the equal fixedly connected with drive wheel in surface of screw rod, two a side that the supporting shoe kept away from each other all fixedly mounted have the aircraft bonnet, and the equal fixed mounting of inner bottom wall of two aircraft bonnets has positive and negative motor, and the equal fixedly connected with power rod in output of two positive and the equal fixedly connected with power wheel in surface of power wheel, and the surface transmission of two power wheel all has seted up the belt hole.

As the utility model discloses an preferred technical scheme, two equal fixed the inlaying of interior roof of aircraft bonnet has first bearing ring, two the surface on power rod top respectively with the inner circle fixed connection of two first bearing rings.

As an optimized technical scheme of the utility model, two the interior roof of spout is all fixed to be inlayed and is had the second bearing ring, two the surface on screw rod top respectively with the inner circle fixed connection of two second bearing rings.

As the utility model discloses an optimal technical scheme, two the bottom of screw thread seat extends to the inside of two through-holes respectively, the test socket has been seted up to the upper surface of bottom plate, pressure sensor's bottom fixed mounting has the test tamp.

As the utility model discloses a preferred technical scheme, the bottom surface fixedly connected with slide cartridge of roof support, the outer fixed surface of traveller is connected with annular slide, the surface of annular slide and the inner circle sliding connection of slide cartridge.

As the utility model discloses a preferred technical scheme, the bottom surface fixed mounting of bottom plate has the control box, the control box passes through the wire and is connected with pressure sensor, pneumatic cylinder and positive and negative motor electricity respectively.

The utility model provides a material dynamic strength test equipment possesses following beneficial effect:

the utility model discloses a two supporting shoes are provided with the through-hole, can make the both ends of people's air defense roof sample place in the inside of two through-holes, it is fixed to push down when testing people's air defense roof sample will be convenient for, through the operation of the inside positive and negative motor of aircraft bonnet, and with the power rod, the cooperation of power wheel and drive wheel, can be with positive and negative motor moving power transmission to screw rod, can drive the screw rod at the inside screw-thread fit of screw thread seat, and can make the screw thread seat remove downwards on the surface of screw rod, then utilize the pushing down of screw thread seat, reach and press from both sides tight fixed effect with people's air defense roof sample, avoid people's air defense roof sample gliding phenomenon to appear when compressive strength tests, accuracy when having improved people's air defense roof material compressive strength tests.

Drawings

Fig. 1 is a schematic perspective view of a material dynamic strength testing apparatus of the present invention;

FIG. 2 is a cross-sectional view of an elevation view of a support block in the material dynamic strength testing apparatus of the present invention;

FIG. 3 is a cross-sectional view of a front view of a hood of the apparatus for testing dynamic strength of material of the present invention;

fig. 4 is an enlarged schematic view of a structure in fig. 2 of the material dynamic strength testing apparatus of the present invention.

In the figure: 1. a base plate; 2. a supporting block; 3. supporting a top plate; 4. a power cover; 5. a hydraulic cylinder; 6. a slide cylinder; 7. an annular slide plate; 8. a traveler; 9. a pressure sensor; 10. testing the pressing tool; 11. a hood; 12. a chute; 13. a threaded seat; 14. a screw; 15. a driving wheel; 16. a belt hole; 17. a positive and negative motor; 18. a power wheel; 19. a power rod; 20. a first bearing ring; 21. a second bearing ring; 22. a through hole; 23. a test port; 24. and a control box.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a material dynamic strength test equipment, comprising a base plate 1, the last fixed surface of bottom plate 1 is connected with two supporting shoes 2, the common fixedly connected with of upper surface of two supporting shoes 2 supports roof 3, the last fixed surface of supporting roof 3 is connected with power cover 4, the interior roof fixed mounting of power cover 4 has pneumatic cylinder 5, the flexible end fixedly connected with traveller 8 of pneumatic cylinder 5, the bottom fixed mounting of traveller 8 has pressure sensor 9, pressure sensor 9 can feel pressure signal, and can convert pressure signal to the device or the device of the signal of usable output's signal of telecommunication according to certain law, pressure sensor 9 comprises pressure sensing element and signal processing unit usually, one side that two supporting shoe 2 are close to each other has all seted up through-hole 22, spout 12 has all been seted up to the interior roof of two through-holes 22, the equal sliding connection of inner wall of two spout 12 has screw thread receptacle 13, the equal threaded connection of inner wall of two screw receptacles 13 has screw rod 14, the equal fixedly connected with the surface of two screw rods 14, the equal fixedly connected with of one side that two supporting shoe 2 kept away from each other has aircraft bonnet 11, the equal fixed mounting of inner bottom wall of two aircraft bonnets 11 has positive and negative motor 17, the output of two equal fixed mounting of motor 17 has all fixed surface has motor 19, the equal fixed connection of two outer surface has the power rod's wheel's driving wheel's inside wall of two driving wheel 18, the equal power wheel's driving wheel 18 passes through power wheel 16, the equal transmission 16, two equal transmission wheel's 16, the equal fixed surface of two driving wheel 18.

Wherein, the interior roof of two aircraft bonnets 11 all is fixed to be inlayed and is had first bearing ring 20, the surface on two power bars 19 tops respectively with the inner circle fixed connection of two first bearing rings 20, the interior roof of two spouts 12 all is fixed to be inlayed and is had second bearing ring 21, the surface on two screw rods 14 tops respectively with the inner circle fixed connection of two second bearing rings 21, more stable when can making power bars 19 rotatory through first bearing ring 20, utilize second bearing ring 21, stability when screw rods 14 and screw thread seat 13 rotate the cooperation has been improved.

Wherein, the bottom of two screw thread seats 13 extends to the inside of two through-holes 22 respectively, test port 23 has been seted up to the upper surface of bottom plate 1, pressure sensor 9's bottom fixed mounting has test holddown 10, through-hole 22 and test port 23, place when making people's air defense roof sample test, be convenient for simultaneously to its compressive strength test, the bottom surface fixedly connected with slide cartridge 6 of support roof 3, the outer fixed surface of traveller 8 is connected with annular slide 7, the surface of annular slide 7 and the inner circle sliding connection of slide cartridge 6, cooperation through annular slide 7 and slide cartridge 6, stability more when can making traveller 8 and pressure sensor 9 slide from top to bottom.

Wherein, the bottom surface of bottom plate 1 is fixed with control box 24, and control box 24 passes through the wire and is connected with pressure sensor 9, pneumatic cylinder 5 and positive and negative motor 17 electricity respectively.

The specific use mode and function of the embodiment are as follows:

when the utility model is used, firstly, the testing equipment is connected with the power supply, then the civil air defense roof sample is placed above the bottom plate 1, and the two ends of the civil air defense roof sample are positioned in the through holes 22, then the positive direction operation of the positive and negative motors 17 is started, the power rod 19 and the power wheel 18 can be driven to rotate, and the power of the positive and negative motors 17 can be transmitted to the screw rod 14 through the power wheel 18 and the driving wheel 15, then the screw rod 14 can be driven to rotate and match in the threaded seat 13, the threaded seat 13 can be driven to move downwards to be contacted with the civil air defense roof sample, thereby achieving the effect of pressing down and fixing when the civil air defense roof sample is tested;

and then starting the hydraulic cylinder 5 to perform stretching movement, driving the sliding column 8, the pressure sensor 9 and the test pressing tool 10 to move downwards until the test pressing tool 10 is contacted with the civil air defense roof sample, detecting the numerical value of the compressive strength by using the pressure sensor 9, and finally displaying the numerical value through the control box 24.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

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 material dynamic strength test equipment is characterized in that: the energy-saving and energy-saving device comprises a bottom plate (1), wherein two supporting blocks (2) are fixedly connected to the upper surface of the bottom plate (1), a supporting top plate (3) is fixedly connected to the upper surfaces of the two supporting blocks (2) together, a power cover (4) is fixedly connected to the upper surface of the supporting top plate (3), a hydraulic cylinder (5) is fixedly installed on the inner top wall of the power cover (4), a sliding column (8) is fixedly connected to the telescopic end of the hydraulic cylinder (5), a pressure sensor (9) is fixedly installed at the bottom end of the sliding column (8), through holes (22) are formed in one side face, close to each other, of the two supporting blocks (2), sliding grooves (12) are formed in the inner top wall of the two through holes (22), threaded seats (13) are slidably connected to the inner walls of the two sliding grooves (12), threaded rods (14) are in threaded connection with the inner walls of the two threaded seats (13), driving wheels (15) are fixedly connected to the outer surfaces of the two threaded rods (14), a hood (11) is fixedly connected to one side face, a hood (2) far away from each other is fixedly connected to a hood (11), a forward and a forward motor (17) are fixedly connected to the inner bottom wall of the two forward motors (11), and a power wheel (19) are fixedly connected to the outer surface of the output ends of the two forward motor (19), the outer surfaces of the two power wheels (18) are in transmission connection with the outer surface of the driving wheel (15) through belts, and belt holes (16) are formed in the inner side walls of the two sliding grooves (12).

2. A material dynamic strength testing apparatus according to claim 1, wherein: the inner top walls of the two hoods (11) are fixedly embedded with first bearing rings (20), and the outer surfaces of the top ends of the power rods (19) are fixedly connected with the inner rings of the two first bearing rings (20) respectively.

3. A material dynamic strength testing apparatus according to claim 1, wherein: and the inner top walls of the two sliding grooves (12) are fixedly embedded with second bearing rings (21), and the outer surfaces of the top ends of the two screw rods (14) are fixedly connected with the inner rings of the two second bearing rings (21) respectively.

4. A material dynamic strength testing apparatus according to claim 1, wherein: two the bottom of screw thread seat (13) extends to the inside of two through-holes (22) respectively, test mouth (23) have been seted up to the upper surface of bottom plate (1), the bottom fixed mounting of pressure sensor (9) has test tamp (10).

5. A material dynamic strength testing apparatus according to claim 1, wherein: the bottom surface of the supporting top plate (3) is fixedly connected with a sliding cylinder (6), the outer surface of the sliding column (8) is fixedly connected with an annular sliding plate (7), and the outer surface of the annular sliding plate (7) is connected with the inner ring of the sliding cylinder (6) in a sliding mode.

6. A material dynamic strength testing apparatus according to claim 1, wherein: the bottom surface fixed mounting of bottom plate (1) has control box (24), control box (24) are connected with pressure sensor (9), pneumatic cylinder (5) and positive and negative motor (17) electricity respectively through the wire.