CN219201103U

CN219201103U - Concrete press is from protector

Info

Publication number: CN219201103U
Application number: CN202223601723.6U
Authority: CN
Inventors: 谢建中; 连学文; 张小卫; 余海涛; 张琳; 郑君; 闫燕; 申宏栋; 支海涛; 李海强; 王玮; 何红丽; 杜超峰; 刘冠楠; 张朋杰
Original assignee: Jiaozuo Qianye New Material Co ltd
Current assignee: Jiaozuo Qianye New Material Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-16
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to a self-protection device of a concrete press, which belongs to the technical field of pressure test equipment and comprises a press body, wherein a protection component is matched between an upper pressing plate and a lower pressing plate of the press body, and the protection component is sleeved outside a concrete test block to be crushed on the lower pressing plate; the protection assembly comprises an elastic rubber ring, a plurality of elastic blocks are uniformly distributed in the elastic rubber ring along the circumferential direction, the elastic blocks are detachably connected with the elastic rubber ring, the elastic blocks are arc-shaped pieces, and the convex surfaces of the arc-shaped pieces face to the concrete test blocks. Due to the elastic characteristic of the anti-skid assembly, the concrete test block during crushing can be bound and fixed on the premise of not influencing the crushing of the concrete test block, the situation that the crushed concrete block is suddenly reduced in volume and splashed everywhere to cause large-amplitude shaking of the upper pressing plate is avoided, a certain self-protection effect is achieved on the press, and the service life of the press is further prolonged.

Description

Concrete press is from protector

Technical Field

The utility model belongs to the technical field of pressure testing equipment, and particularly relates to a self-protection device of a concrete press.

Background

The concrete press is mainly used for testing the compressive strength of building material test blocks such as concrete, cement, high-strength bricks, refractory materials and the like, and can also be used for testing the compressive strength of other nonmetallic materials. At present, people generally put the concrete columnar blocks into corresponding supporting tables when doing pressure intensity test of the concrete columnar blocks, and then conduct pressure intensity test on the concrete columnar blocks on the supporting tables. Patent number CN216160322U discloses a concrete test block press, comprising a base, a lifting mechanism, a clamping mechanism and a fixing mechanism. Through going up and down to supporting beam, and then realize that the pressure piece supports the pressure test piece that awaits measuring, set up fixture, be convenient for carry out the centre gripping to the test piece that awaits measuring, avoid waiting to test the piece at the pressure measurement in-process and drop, reduce work efficiency. However, for the high-strength concrete test block with the strength of C60 and above, the strength value is larger than 70MPa in 28 days and later ages, even exceeds 150MPa, and the test block is too compact in structure, when the test block reaches a destructive power peak value, burst and breakage can be generated instantly, at the moment, the upper pressing plate suddenly loses the original test block support to generate violent shaking, the upper pressing plate with heavier mass can deform and loosen the fixing bolts of the upper pressing plate and accessories nearby and the like due to impact, so that the test result is out of alignment, and the press is damaged seriously. Accordingly, there is a need for a self-protecting device for concrete presses that addresses the above-described problems.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a self-protection device of a concrete press, which comprises a press body, wherein a protection component is matched between an upper pressing plate and a lower pressing plate of the press body, and the protection component is sleeved outside a concrete test block to be crushed on the lower pressing plate;

the protection assembly comprises an elastic rubber ring, a plurality of elastic blocks are uniformly distributed in the elastic rubber ring along the circumferential direction, the elastic blocks are detachably connected with the elastic rubber ring, the elastic blocks are arc-shaped pieces, and the convex surfaces of the arc-shaped pieces face to the concrete test blocks.

Preferably, the number of the elastic blocks is not less than 3, clamping strips are fixed on two side edges of the elastic blocks, clamping grooves are formed in the inner walls of the elastic rubber rings corresponding to the clamping strips, and the clamping strips are slidably clamped in the clamping grooves. The elastic block can be detachably fixed in the elastic rubber ring, so that the stability of the elastic block is ensured, and the elastic block is ensured to play a role in stabilizing and efficiently buffering the concrete test block. The arrangement of the elastic block can enable the protection component to be suitable for concrete test blocks with various sizes and shapes, and ensure the binding effect of the protection component on the concrete test blocks.

Preferably, the cross section of draw-in groove is T type, and this department sets up accessible complex card strip and draw-in groove, and in the slip elastic rubber ring of elastic block from last to lower, avoid the elastic block to move and deviate from in the elastic rubber ring in the horizontal direction, improve the stability of elastic block and elastic rubber ring.

Preferably, the lower pressing plate is connected with a piston of the oil cylinder, and the piston drives the lower pressing plate to move up and down.

Preferably, the upper pressing plate is arranged on the frame of the press body through a spherical pressing seat assembly, the spherical pressing seat assembly comprises a spherical base and a ball pin, the spherical base is fixed on the frame, the ball pin is fixed on the upper surface of the upper pressing plate through a high-strength bolt, a circle of gasket is fixed on the periphery of the ball pin, the ball pin is connected with the spherical base through a plurality of hanging bolts, and the ball pin drives the upper pressing plate to flexibly incline along the center of the spherical base. The ball pin drives the upper pressing plate to flexibly incline along the center of the spherical base, so that the washer and the hanging bolt can play a certain buffering role on the upper pressing plate when the concrete test block is broken on the premise of improving the contact pressure effect on the concrete test block, and the large-amplitude shaking and hard impact of the upper pressing plate are avoided.

Preferably, the elastic rubber ring is a rubber ring, and the elastic block is a rubber sheet.

The utility model also comprises other components which can ensure that the self-protection device of the concrete press is normally used, such as a control component of an oil cylinder, a control group price of a press body and the like, which are all conventional technical means in the field. In addition, the devices or components not defined in the utility model are all conventional in the art, such as an upper pressing plate, a lower pressing plate, an oil cylinder, a piston, a clamping groove, a gasket, a ball stud, a spherical base and the like.

The working principle of the utility model is as follows: the concrete test block to be tested is placed in the center of the lower pressing plate, then the protection component is sleeved outside the concrete test block, the piston drives the lower pressing plate and the concrete test block to move upwards and contact with the upper pressing plate, the upper pressing plate and the lower pressing plate generate pressure on the concrete test block, the concrete test block is broken, the elastic rubber ring and the elastic block generate binding force on the concrete test block in the breaking process, the broken concrete block is prevented from being suddenly reduced and splashed everywhere due to the volume, the situation of large-amplitude shaking of the upper pressing plate is caused, and a certain self-protection effect is achieved on the press.

The anti-skid device has the beneficial effects that due to the elastic characteristic of the anti-skid assembly, the broken concrete test block can be bound and fixed on the premise of not influencing the breaking of the concrete test block, the situation that the broken concrete block is suddenly reduced in volume and splashed everywhere to cause large-amplitude shaking of the upper pressing plate is avoided, a certain self-protection effect is achieved on the press, and the service life of the press is further prolonged.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of a self-protecting device of a concrete press according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view at A-A in FIG. 1;

fig. 3 is a schematic view of a concrete press without a protective assembly according to the prior art.

In the figure: 1. an elastic rubber ring; 2. an elastic block; 3. clamping strips; 4. a concrete test block; 5. a lower pressing plate; 6. an upper press plate; 7. a ball pin; 8. a spherical base; 9. a hanging bolt; 10. a gasket; 11. a piston; 12. and a frame.

Detailed Description

The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this utility model.

Examples

As shown in fig. 1-3, the utility model provides a self-protection device of a concrete press, which comprises a press body, wherein a protection component is matched between an upper pressing plate 6 and a lower pressing plate 5 of the press body, and the protection component is sleeved outside a concrete test block 4 to be crushed on the lower pressing plate 5;

the protection subassembly includes elastic rubber ring 1, and elastic rubber ring 1 is the cylinder tube-shape, along circumference evenly distributed there being a plurality of elastic pieces 2 in the elastic rubber ring 1, a plurality of elastic pieces 2 can be dismantled with elastic rubber ring 1 and be connected, elastic piece 2 is the arc piece, and the convex surface of arc piece is towards concrete test block 4.

The number of the elastic blocks 2 is four, clamping strips 3 are fixed on two side edges of the elastic blocks 2, clamping grooves are formed in the inner walls of the elastic rubber rings 1 corresponding to the clamping strips 3, and the clamping strips 3 are slidably clamped in the clamping grooves. The elastic block 2 can be detachably fixed in the elastic rubber ring 1, so that the stability of the elastic block is ensured, and the elastic block 2 plays a role in stabilizing and efficiently buffering a concrete test block. The arrangement of the elastic block can enable the protection component to be suitable for concrete test blocks with various sizes and shapes, and ensure the binding effect of the protection component on the concrete test blocks.

The cross section of draw-in groove is T type, and this department sets up accessible complex card strip 3 and draw-in groove, with in the elastic rubber ring 1 of elastic block 2 from last gliding into of decurrent, avoids the elastic block 2 to remove and deviate from in the horizontal direction of elastic rubber ring 1, improves the stability of elastic block and elastic rubber ring.

The lower pressure plate 5 is connected with a piston 11 of the oil cylinder, and the piston 11 drives the lower pressure plate 5 to move up and down.

The upper pressing plate 6 is arranged on a frame 12 of the press body through a spherical pressing seat assembly, the spherical pressing seat assembly comprises a spherical base 8 and a ball pin 7, the spherical base 8 is fixed on the frame 12, the ball pin 7 is fixed on the upper surface of the upper pressing plate 6 through a high-strength bolt, a circle of gasket 10 is fixed on the periphery of the ball pin 7, the gasket 10 is a rubber ring, the ball pin 7 is connected with the spherical base 8 through a plurality of hanging bolts 9, and the ball pin 7 drives the upper pressing plate 6 to flexibly incline along the center of the spherical base 8. The ball pin drives the upper pressing plate to flexibly incline along the center of the spherical base, so that the washer and the hanging bolt can play a certain buffering role on the upper pressing plate when the concrete test block is broken on the premise of improving the contact pressure effect on the concrete test block, and the large-amplitude shaking and hard impact of the upper pressing plate are avoided.

The elastic rubber ring 1 is a rubber ring, and the elastic block 2 is a rubber sheet.

The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a concrete press is from protector, includes press body, its characterized in that: a protection component is matched between the upper pressing plate and the lower pressing plate of the press body, and the protection component is sleeved outside a concrete test block to be crushed on the lower pressing plate;

2. A self-protecting device for a concrete press as claimed in claim 1, wherein: the number of the elastic blocks is not less than 3, clamping strips are fixed on two side edges of the elastic blocks, clamping grooves are formed in the inner walls of the elastic rubber rings corresponding to the clamping strips, and the clamping strips are slidably clamped in the clamping grooves.

3. A self-protecting device for a concrete press as claimed in claim 2, wherein: the cross section of the clamping groove is T-shaped.

4. A self-protecting device for a concrete press as claimed in claim 1, wherein: the lower pressing plate is connected with a piston of the oil cylinder, and the piston drives the lower pressing plate to move up and down.

5. A self-protecting device for a concrete press as claimed in claim 1, wherein: the upper pressing plate is arranged on a frame of the press body through a spherical pressing seat assembly, the spherical pressing seat assembly comprises a spherical base and a ball pin, the spherical base is fixed on the frame, the ball pin is fixed on the upper surface of the upper pressing plate through a high-strength bolt, a circle of gasket is fixed on the periphery of the ball pin, the ball pin is connected with the spherical base through a plurality of hanging bolts, and the ball pin drives the upper pressing plate to flexibly incline along the center of the spherical base.

6. A self-protecting device for a concrete press as claimed in claim 1, wherein: the elastic rubber ring is a rubber ring, and the elastic block is a rubber sheet.