CN212083135U - Resilience meter for detecting concrete strength - Google Patents

Abstract

The utility model provides a concrete strength detecting resiliometer, which relates to the technical field of concrete strength detecting equipment and comprises a resiliometer body, a sleeve, an elastic element and a sleeve seat; a sliding piece is fixedly arranged on the periphery of the resiliometer body; the sleeve is connected to the periphery of the resiliometer body in a sliding mode, and a cavity is formed in the sleeve; the elastic element is arranged in the cavity, and the upper end of the elastic element is abutted against the sliding piece; the lantern ring seat cover is located the periphery of resiliometer body and is continuous with the lower extreme of sheathed tube. The utility model provides a detect concrete strength resiliometer realizes effectively laminating with the plane that awaits measuring through the lantern ring seat that sets up in resiliometer body lower part to guarantee that the main shaft of resiliometer body is mutually perpendicular with the plane that awaits measuring, and then improve the degree of accuracy that detects; the setting of elastic element in the sleeve pipe can make the lower extreme of resiliometer body keep contracting to the state in the lantern ring seat, avoids the clashing and damage of resiliometer body lower extreme, the effectual life who prolongs the device.

Description

Resilience meter for detecting concrete strength

Technical Field

The utility model belongs to the technical field of concrete strength check out test set, more specifically say, relate to a detect concrete strength resiliometer.

Background

In building construction, detection work is an important link of process quality control. The concrete is used as the most common bearing structure in building construction, and the parameter accuracy in the concrete strength detection process is ensured. The resiliometer is a common detection device for detecting the compressive strength of concrete by using a rebound method. The basic principle of the rebound tester is that a spring drives a heavy hammer, the heavy hammer impacts an impact rod which is vertically contacted with the surface of concrete with constant kinetic energy, so that the local concrete deforms and absorbs a part of energy, the other part of energy is converted into rebound kinetic energy of the heavy hammer, when the rebound kinetic energy is completely converted into potential energy, the rebound of the heavy hammer reaches the maximum distance, and the maximum rebound distance of the heavy hammer is displayed by the rebound value by the rebound tester.

At the measuring in-process, guarantee that resiliometer axis and concrete test face are perpendicular all the time, and rock easily and then be difficult to guarantee with the contact surface perpendicular all the time when current concrete resiliometer uses, and receive the collision in placing very easily to its life has been reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detect concrete strength resiliometer to there is being difficult to guarantee among the solution prior art in the resiliometer uses and influences measuring accuracy and resiliometer and place easy impaired technical problem.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a rebound tester for testing the strength of concrete, which comprises a rebound tester body, a sleeve, an elastic element and a sleeve seat; the periphery of the resiliometer body is fixedly provided with a sliding piece which protrudes outwards; the sleeve is connected to the periphery of the resiliometer body in a sliding mode, and a cavity used for containing the sliding piece is formed in the middle of the sleeve in the axial direction; the elastic element is arranged in the cavity, and the upper end of the elastic element is abutted against the lower bottom surface of the sliding part; the lantern ring seat cover is located the periphery of resiliometer body and is continuous with the lower extreme of sheathed tube.

As another embodiment of the present application, the collar base is connected to the lower end of the sleeve by a connecting rod.

As another embodiment of this application, the connecting rod is equipped with four in the periphery of resiliometer body, and four connecting rods are evenly arranged in the periphery of resiliometer body.

As another embodiment of the application, the lantern ring seat is a truncated cone, and the outer side surface of the lantern ring seat and the bottom surface of the lantern ring seat are in arc transition.

As another embodiment of the present application, the sliding member is an annular member that is fitted around the outer periphery of the resiliometer body.

As another embodiment of the present application, a bushing includes a tube body, a first end plate, and a second end plate; the tube body is sleeved outside the resiliometer body; the first end plate is arranged at the upper end of the pipe body, and is provided with a first hole for being in sliding connection with the resiliometer body; the second end plate is arranged at the lower end of the pipe body, and is provided with a second hole for being in sliding connection with the resiliometer body; the elastic element is arranged in the tube body and is positioned between the first end plate and the second end plate.

As another embodiment of the present application, the sliding member is a slider, and at least two sliders are disposed on the outer periphery of the resiliometer body.

As another embodiment of this application, the slider outwards protrusion in the elastic element setting, still be equipped with on the inner wall of body along the upper and lower direction setting and be used for with slider sliding fit's spout.

As another embodiment of this application, the top of resiliometer body still is equipped with and is used for the push pedal, and the external diameter of push pedal is greater than the external diameter of resiliometer body.

As another embodiment of this application, be equipped with the scale strip on the resiliometer body, be equipped with on the sleeve pipe with the inside and outside observation window that corresponds of scale strip.

The utility model provides a detect concrete strength resiliometer's beneficial effect lies in: compared with the prior art, the utility model provides a detect concrete strength resiliometer realizes the effective laminating with the plane that awaits measuring through the lantern ring seat that sets up in resiliometer body lower part to guarantee that the main shaft of resiliometer body is mutually perpendicular with the plane that awaits measuring, and then improve the degree of accuracy that detects; the setting of elastic element in the sleeve pipe can make the lower extreme of resiliometer body keep contracting to the state in the lantern ring seat, avoids the clashing and damage of resiliometer body lower extreme, the effectual life who prolongs the device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic view of a front view cross-sectional structure of a first embodiment of a concrete strength detecting resiliometer provided by the present invention;

FIG. 2 is a schematic front view of the structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of A-A of FIG. 1;

fig. 4 is a schematic view of a front view cross-sectional structure of a second embodiment of a concrete strength detecting resiliometer provided by the present invention;

fig. 5 is a schematic view of a front view cross-sectional structure of a third embodiment of a concrete strength detecting resiliometer provided by the present invention;

FIG. 6 is a schematic cross-sectional view of B-B in FIG. 5;

fig. 7 is a front sectional structural view of the bushing of fig. 4.

Wherein, in the figures, the respective reference numerals:

100. a resiliometer body; 110. pushing the plate; 120. an observation window; 130. a slider; 140. an annular member; 200. a sleeve; 210. a pipe body; 220. a first end plate; 221. a first hole; 230. a second end plate; 231. a second hole; 240. a cavity; 250. a chute; 300. an elastic element; 400. a collar seat; 500. a connecting rod.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 7, a concrete strength rebound tester provided by the present invention will now be described. The rebound tester for detecting the concrete strength comprises a rebound tester body 100, a sleeve 200, an elastic element 300 and a collar seat 400; a sliding piece protruding outwards is fixedly arranged on the periphery of the resiliometer body 100; the sleeve 200 is slidably connected to the outer periphery of the resiliometer body 100, and the axial middle part of the sleeve 200 is provided with a cavity 240 for accommodating a sliding piece; the elastic element 300 is arranged in the cavity 240, and the upper end of the elastic element 300 is abutted against the lower bottom surface of the sliding part; the collar seat 400 is sleeved on the periphery of the resiliometer body 100 and connected to the lower end of the sleeve 200. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a pair of detect concrete strength resiliometer, compare with prior art, the utility model provides a detect concrete strength resiliometer realizes the effective laminating with the plane that awaits measuring through the lantern ring seat 400 that sets up in the resiliometer body 100 lower part to guarantee that the main shaft of resiliometer body 100 is mutually perpendicular with the plane that awaits measuring, and then improve the degree of accuracy that detects; the setting of elastic element 300 in sleeve 200 can make the state that the lower extreme of resiliometer body 100 kept contracting in lantern ring seat 400, avoids the damage of resiliometer body 100 lower extreme, the effectual life who prolongs the device.

In this embodiment, the sleeve 200 and the collar seat 400 at the lower portion are sleeved on the periphery of the resiliometer body 100, so that the resiliometer body 100 can be effectively protected. The lower bottom surface of lantern ring seat 400 is perpendicular with the axis of resiliometer body 100, utilizes the lower bottom surface of lantern ring seat 400 to laminate mutually with the plane that awaits measuring to guarantee resiliometer body 100 all the time with the plane that awaits measuring mutually perpendicular at the use axis, and then guarantee the detection precision among the concrete strength testing process. The sleeve 200 is sleeved on the periphery of the resiliometer body 100, and a cavity 240 for accommodating the sliding piece is arranged in the middle of the axial direction. The periphery contact of both ends and resiliometer body 100 about sleeve pipe 200 can realize effective spacing to resiliometer body 100 axial displacement at the in-process that reciprocates, guarantees that resiliometer body 100's axis is perpendicular all the time with the plane that awaits measuring.

In the using process of the device, when the device is not in use, under the action of pushing the sliding piece upwards by the elastic element 300, the sliding piece is positioned at the top of the cavity 240, so that the lower end part of the resiliometer body 100 is driven to retract upwards into the collar seat 400, the effective protection of the collar seat 400 on the lower end part of the resiliometer body 100 is realized, and the occurrence of collision is avoided. When the tester needs to be used, an operator holds the sleeve 200 with one hand to enable the bottom surface of the sleeve ring seat 400 to be attached to a plane to be tested, presses the top of the resiliometer body 100 with the other hand, at the moment, the resiliometer body 100 and the sliding piece move downwards along the axial direction of the sleeve 200 to enable the elastic element 300 to be compressed and contracted, and finally the lower end of the resiliometer body 100 is in contact with the plane to be tested, so that the strength of concrete at the point is tested. The device not only can realize the detection to horizontal ground, can also realize the detection of offside wall. During detection, the end face of one side of the lantern ring seat 400 far away from the sleeve 200 is kept in a fit state with a plane to be detected.

Further, in order to improve the reliability of holding the sleeve 200 by a human hand, a flexible friction layer may be disposed on the outer circumference of the sleeve 200, so as to improve the friction between the sleeve 200 and the human hand and avoid the slipping phenomenon between the sleeve and the human hand. In addition, the periphery of the sleeve 200 can be provided with a depression consistent with the radian of fingers so as to improve the comfort of holding by hands.

Referring to fig. 1, 2, 3, 5 and 6, as a specific implementation manner of the embodiment of the present invention, the ring-sleeving base 400 is connected to the lower end of the sleeve 200 through a connecting rod 500. The upper end of the collar seat 400 can be directly connected with the lower end of the sleeve 200, so as to realize the integral effect of the connection of the two. In addition, in order to reduce the overall mass of the sleeve 200 and the collar base 400 and to observe the working state of the lower end part of the resiliometer body 100 more conveniently, the sleeve 200 and the collar base 400 are connected by the connecting rod 500, the upper end of the connecting rod 500 is connected with the lower end of the sleeve 200, and the lower end of the connecting rod 500 is connected with the upper end face of the collar base 400, so that the connecting mode reduces the cost of the device and improves the use convenience of the device.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 3, fig. 5 and fig. 6, four connecting rods 500 are arranged at the periphery of the resiliometer body 100, and the four connecting rods 500 are uniformly arranged at the periphery of the resiliometer body 100. In order to effectively ensure the stable connection of the connecting rods 500, at least three connecting rods 500 need to be arranged in the circumferential direction, and the three connecting rods 500 need to be uniformly arranged in the circumferential direction so as to ensure the connection strength. The cross-section of the linkage 500 may be circular, square, or rectangular. The connecting rod 500 is located at a position which is circular and close to the periphery on the lower end face of the sleeve 200 and the upper end face of the collar seat 400 as far as possible, so that the connection reliability is ensured, the axial stability of the sleeve 200 and the resiliometer body 100 is ensured when the subsequent collar seat 400 is attached to a plane to be measured, and the probability of shaking towards the peripheral direction is reduced.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 6, the collar base 400 is a truncated cone, and an arc transition is adopted between the outer side surface of the collar base 400 and the bottom surface of the collar base 400. The lower bottom surface of the collar seat 400 is a plane, and in order to ensure the stability of the axial position of the resiliometer body 100 when the lower bottom surface of the collar seat 400 is attached to the plane to be measured, the collar seat 400 is set to be in the form of a truncated cone, and the center of the truncated cone is provided with a through hole for the resiliometer body 100 to pass through.

Further, in order to avoid the damage to the plane to be measured caused by the lantern ring seat 400 in the contact process with the plane to be measured, the arc transition is arranged between the outer side surface and the lower bottom surface of the lantern ring seat 400, and the setting can also avoid the scratch of the lantern ring seat 400 on the skin of an operator, so that the use safety is improved.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the sliding member is an annular member sleeved on the periphery of the resiliometer body 100. In this embodiment, the sliding member is an annular member that is sleeved on the outer periphery of the resiliometer body 100 and is located in the cavity 240 of the sleeve 200, and the lower bottom surface of the annular member abuts against the upper end of the elastic element 300. Under the upward pressure effect of elastic element 300, the slider is in the top of cavity 240 to the lower extreme that drives resiliometer body 100 retracts to in lantern ring seat 400, avoids resiliometer body 100 lower extreme to receive to collide with the damage. The selection of the ring-shaped member 140 can increase the contact area with the elastic element 300, so as to realize the uniform stress of each point on the periphery of the resiliometer body 100, thereby ensuring the axial stability of the resiliometer body 100 in the up-and-down moving process.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, fig. 4 and fig. 5, the sleeve 200 includes a tube 210, a first end plate 220 and a second end plate 230; the tube body 210 is sleeved outside the resiliometer body 100; the first end plate 220 is disposed at the upper end of the tube 210, and the first end plate 220 is provided with a first hole 221 for slidably connecting with the resiliometer body 100; the second end plate 230 is disposed at the lower end of the tube 210, and the second end plate 230 is provided with a second hole 231 for slidably connecting with the resiliometer body 100; the elastic element 300 is disposed in the tube 210 and located between the first end plate 220 and the second end plate 230. The first end plate 220 and the second end plate 230 are used for plugging two ends of the tube body 210, the resiliometer body 100 penetrates through the first hole 221 of the first end plate 220 and the second hole 231 of the second end plate 230, a cavity 240 is formed in the area, located on the inner side of the tube body 210, of the periphery of the resiliometer body 100 and located between the first end plate 220 and the second end plate 230, the sliding piece moves up and down in the cavity 240 and can be effectively limited by the axial positions of the first end plate 220 and the second end plate 230, and the resiliometer body 100 is prevented from being pulled out of the lower end or the upper end of the sleeve 200. The top surface of the second end plate 230 abuts against the lower end of the elastic element 300, and the lower end of the elastic element 300 can also be fixed on the top surface of the second end plate 230, so as to ensure the pushing action of the elastic element 300 on the sliding member.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 5 to 6, the sliding member is a sliding block 130, and at least two sliding blocks 130 are disposed at the periphery of the sleeve 200. The sliding block 130 protrudes outward from the elastic element 300, and a sliding groove 250 which is arranged along the vertical direction and is used for sliding fit with the sliding block 130 is further disposed on the inner wall of the tube body 210. In this embodiment, the sliding members are disposed on the outer circumference of the sleeve 200, and two adjacent sliding blocks 130 are spaced apart from each other. The lower bottom surface of each slider 130 abuts against the upper end of the elastic member 300 and is pushed upward by the elastic member 300.

Further, the outer diameter of the slider 130 is larger than the outer diameter of the elastic member 300, and protrudes from the elastic member 300 to the outer circumference. The tube 210 is provided with a sliding groove 250 arranged along the vertical direction for realizing sliding fit with the sliding block 130. The combined use of the sliding groove 250 and the sliding block 130 can effectively limit the circumferential position of the resiliometer body 100, and avoid the influence on the detection value caused by the circumferential rotation of the resiliometer body 100 in the measurement process.

In this embodiment, the elastic element 300 may be a compression spring, a disc spring, a reed capable of providing an upward pushing force, or a rubber member with a larger elasticity, and all of the above elements can achieve the pushing effect on the sliding member.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 5, the top of the resiliometer body 100 is further provided with a push plate 110, and the outer diameter of the push plate 110 is greater than the outer diameter of the resiliometer body 100. The arrangement of the push plate 110 effectively improves the contact area when an operator pushes the resiliometer body 100 with hands, is convenient for reducing the pressure born by hands, and reduces the discomfort of hands in the pressing process. The top surface of the push plate 110 may also be provided with a protective layer made of an anti-slip material or a flexible material to further improve the comfort of use.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2, the resiliometer body 100 is provided with a scale bar, and the sleeve 200 is provided with an observation window 120 corresponding to the inside and the outside of the scale bar. In this embodiment, the temperature displayed on the scale bar of the resiliometer body 100 can be directly read through the observation window 120, and the observation window 120 is made of a transparent material member, is embedded in the observation hole formed in the outer wall of the casing 200, and corresponds to the length and the width of the scale bar.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Detect concrete strength resiliometer, its characterized in that includes:

the rebound device comprises a rebound device body, wherein a sliding piece protruding outwards is fixedly arranged on the periphery of the rebound device body;

the sleeve is connected to the periphery of the resiliometer body in a sliding mode, and a cavity used for containing the sliding piece is formed in the middle of the sleeve in the axial direction;

the elastic element is arranged in the cavity, and the upper end of the elastic element is abutted against the lower bottom surface of the sliding piece; and

and the lantern ring seat is sleeved on the periphery of the resiliometer body and is connected with the lower end of the sleeve.

2. A concrete strength detecting resiliometer according to claim 1, wherein said collar seat is connected to a lower end of said sleeve by a connecting rod.

3. A concrete strength detecting resiliometer according to claim 2, wherein there are four of said connecting rods, and four of said connecting rods are arranged uniformly around the periphery of said resiliometer body.

4. The apparatus for testing concrete strength according to claim 1, wherein the collar base is a truncated cone, and an arc transition is adopted between the outer side surface of the collar base and the bottom surface of the collar base.

5. The apparatus for testing concrete strength of claim 1, wherein said sliding member is an annular member fitted around an outer circumference of said apparatus body.

6. A concrete strength rebound tester as set forth in claim 1, wherein said sleeve includes:

the tube body is sleeved outside the resiliometer body;

the first end plate is arranged at the upper end of the pipe body and is provided with a first hole used for being in sliding connection with the resiliometer body; and

the second end plate is arranged at the lower end of the tube body and is provided with a second hole used for being in sliding connection with the resiliometer body;

the elastic element is arranged in the tube body and is positioned between the first end plate and the second end plate.

7. The apparatus for testing concrete strength according to claim 6, wherein said sliding member is a slider, and said slider is provided with at least two sliders on the outer circumference of said apparatus body.

8. A concrete strength detecting rebound tester as claimed in claim 7, wherein the slide block protrudes outward from the resilient member, and the inner wall of the pipe body is further provided with a slide groove which is vertically disposed and is adapted to slidably engage with the slide block.

9. The apparatus for testing concrete strength of claim 1, wherein a push plate is further provided on the top of the apparatus body, and the outer diameter of the push plate is larger than the outer diameter of the apparatus body.

10. The apparatus for testing concrete strength according to claim 1, wherein a scale bar is provided on said apparatus body, and an observation window corresponding to the inside and outside of said scale bar is provided on said casing.

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