CN216284755U

CN216284755U - Resilience meter for detecting concrete compressive strength by resilience method

Info

Publication number: CN216284755U
Application number: CN202122448726.XU
Authority: CN
Inventors: 周峥; 石江徽; 陆程锦; 戴思乐; 彭峰
Original assignee: Zhejiang Yonghai Engineering Testing Co ltd
Current assignee: Zhejiang Yonghai Engineering Testing Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-04-12
Anticipated expiration: 2031-10-11

Abstract

The utility model provides a rebound apparatus for detecting the compressive strength of concrete by a rebound method, which belongs to the technical field of building test equipment and comprises a rebound apparatus body, wherein a plurality of surveying and mapping rods are arranged around the rebound apparatus body and used for testing the verticality of the rebound apparatus body and a wall surface; the circumference surface of resiliometer body is equipped with a plurality of concatenation rings, and the concatenation degree of a plurality of concatenation rings is used for observing the perpendicular degree of resiliometer body and wall, and a plurality of concatenation rings and a plurality of survey and drawing pole phase-match, a plurality of survey and drawing poles all remove through rocker mechanism drive concatenation ring, and the resiliometer body remains throughout perpendicular with the detection face to can utilize the spring to reset to the resiliometer after using.

Description

Resilience meter for detecting concrete compressive strength by resilience method

Technical Field

The utility model belongs to the technical field of building test equipment, and particularly relates to a rebound tester for detecting the compressive strength of concrete by a rebound method.

Background

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 tester in the name of the rebound value (the ratio of the maximum rebound distance to the initial length of the spring).

When the resiliometer is used, a user needs to operate with two hands, one hand keeps the resiliometer to be always perpendicular to the measured surface of the measured workpiece in the test process, and the other hand slowly pushes the resiliometer. In the testing process, a user can hardly ensure that the resiliometer can be always perpendicular to the tested surface of the tested workpiece, so that a larger measurement error is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rebound tester for detecting the compressive strength of concrete by a rebound method, and aims to solve the problems that in the prior art, when the rebound tester is used, a user needs to operate with two hands, one hand keeps the rebound tester perpendicular to the tested surface of a tested workpiece all the time in the test process, and the other hand slowly pushes the rebound tester. In the testing process, a user can hardly ensure that the resiliometer can be always perpendicular to the tested surface of the tested workpiece, so that the problem of larger measurement error is caused.

In order to achieve the purpose, the utility model provides the following technical scheme:

the rebound instrument for detecting the compressive strength of the concrete by a rebound method comprises a rebound instrument body, wherein a plurality of surveying and mapping rods are arranged around the rebound instrument body and used for testing the verticality of the rebound instrument body and a wall surface;

the circumference surface of resiliometer body is equipped with a plurality of concatenation rings, and the concatenation degree of a plurality of concatenation rings is used for observing the perpendicular degree of resiliometer body and wall, a plurality of concatenation rings and a plurality of survey and drawing pole phase-match, and a plurality of survey and drawing poles all remove through rocker mechanism drive concatenation ring.

As a preferable scheme of the utility model, an installation block is arranged on the surface of the resiliometer body, a first groove is formed in the installation block, a first adjustment rod is arranged in the first groove, one end of the first adjustment rod is movably hinged to the circumferential surface of the resiliometer body through a hinge shaft, a third groove is formed in the first adjustment rod, a sliding block is connected in the third groove in a sliding manner, a second connecting rod is arranged at one end of the sliding block, which is far away from the first adjustment rod, and the second connecting rod is arranged at the top end of the surveying and mapping rod.

As a preferable scheme of the present invention, a fourth groove is formed in the first adjusting rod, the fourth groove is communicated with the third groove, the adjusting cylinder is disposed in the fourth groove, and the adjusting cylinder is rotatably connected to a side end of the sliding block.

As a preferred scheme of the present invention, a first limiting groove is formed in the mounting block, the first limiting groove is communicated with the first groove, a first limiting rod is disposed in the first limiting groove, and the second connecting rod is slidably connected to a circumferential surface of the first limiting rod.

As a preferred scheme of the utility model, each set of rocker mechanisms comprises a fifth groove formed in the first adjusting rod, a limiting cylinder is slidably connected in the fifth groove, a pushing rod is arranged in the mounting block, a second groove is formed in the pushing rod, the first adjusting rod is slidably connected in the second groove, the limiting cylinder is rotatably connected in the pushing rod, the pushing rod movably penetrates through the top end of the mounting block, a first connecting rod is arranged at one end of the pushing rod, which is far away from the mounting block, a plurality of splicing rings are respectively arranged at one end of the first connecting rods, which is far away from the mounting block, a limiting ring is arranged on the surface of the resiliometer body, and the plurality of splicing rings are all slidably connected in the limiting ring.

According to a preferable scheme of the utility model, clamping grooves are formed in one ends of the splicing rings, clamping blocks are arranged at the other ends of the splicing rings, and the clamping blocks are clamped with the clamping grooves.

As a preferable scheme of the present invention, a limiting block is disposed at a side end of the pushing rod, a second limiting groove is disposed on an inner wall of the mounting block close to the limiting block, a second limiting rod is disposed in the second limiting groove, the limiting block is slidably connected to a circumferential surface of the second limiting rod, and a spring is disposed at a top end of the limiting block and sleeved on the circumferential surface of the second limiting rod.

As a preferable aspect of the present invention, the first grip is provided at the top end of the resiliometer body, and the second grip is provided on the circumferential surface of the resiliometer body.

Compared with the prior art, the utility model has the beneficial effects that:

1. in this device, go to contact wall through utilizing four survey and drawing poles to whether utilize the ring that four groups can splice to embody the device directly perceivedly and whether perpendicular wall, resiliometer body and support frame steady state, therefore when the resiliometer was placed on the detection face, the resiliometer body remained perpendicular with the detection face throughout, and can utilize the spring to reset to the resiliometer after using.

2. In the device, through the arrangement of the first handle at the top end and the second handle at the side end, a person can conveniently hold the resiliometer body for supporting, the resiliometer body can be aligned conveniently, meanwhile, the person can conveniently operate, and the pasting disc is pasted on the test surface to enable the striking rod to be vertical to the test surface, so that the measurement accuracy is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a first partial cross-sectional view of the present invention;

FIG. 4 is a second partial cross-sectional view of the present invention;

FIG. 5 is an enlarged view taken at B of FIG. 4 in accordance with the present invention;

fig. 6 is a third partial enlarged view of the present invention.

In the figure: 1. a resiliometer body; 2. a first grip; 3. a second grip; 4. mounting blocks; 5. a first adjusting lever; 6. a push rod; 7. a first connecting rod; 8. a limiting ring; 9. a clamping block; 91. a card slot; 10. A splicing ring; 11. a surveying rod; 12. a second connecting rod; 13. a slider; 14. a first limit groove; 15. A first limit rod; 16. a first groove; 17. a limiting cylinder; 18. a second groove; 20. a limiting block; 21. a second limit groove; 22. a spring; 23. a second limiting rod; 24. a third groove; 25. a fourth groove; 26. adjusting the cylinder; 27. and a fifth groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-6, the rebound tester for detecting the compressive strength of concrete by the rebound method comprises a rebound tester body 1, wherein a plurality of surveying and mapping rods 11 are arranged around the rebound tester body 1, and the plurality of surveying and mapping rods 11 are used for testing the verticality of the rebound tester body 1 and a wall surface;

the circumference surface of resiliometer body 1 is equipped with a plurality of concatenation rings 10, and the concatenation degree of a plurality of concatenation rings 10 is used for observing the perpendicular degree of resiliometer body 1 and wall, a plurality of concatenation rings 10 and a plurality of survey and drawing pole 11 phase-matchs, and a plurality of survey and drawing pole 11 all remove through rocker mechanism drive concatenation ring 10.

In the specific embodiment of the utility model, in order to detect whether the resiliometer body 1 is perpendicular to the wall surface, the plurality of surveying rods 11 arranged around the resiliometer body 1 are used for assisting the resiliometer body 1 to detect, the plurality of surveying rods 11 can synchronously push the plurality of splicing rings 10 at the top end after contacting the wall surface, a user can judge whether the resiliometer body 1 is perpendicular to the wall surface only by observing whether the plurality of splicing rings 10 exist on the same horizontal plane, and the angle of the resiliometer body 1 can be timely adjusted by judging the positions of the splicing rings 10, so that the usage is convenient.

Example 2

Referring to fig. 4 specifically, the surface of resiliometer body 1 is equipped with installation piece 4, first recess 16 has been seted up on the installation piece 4, be equipped with first regulation pole 5 in the first recess 16, the one end of first regulation pole 5 is passed through the hinge activity and is articulated in the circumference surface of resiliometer body 1, third recess 24 has been seted up on the first regulation pole 5, sliding connection has slider 13 in the third recess 24, the one end that first regulation pole 5 was kept away from to slider 13 is equipped with second connecting rod 12, the top of surveying and mapping pole 11 is located to second connecting rod 12.

In this embodiment: one end of the first adjusting rod 5 is movably hinged to the surface of the resiliometer body 1 through a hinge shaft, a rotating point of the resiliometer body 1 is limited, the first adjusting rod 5 uses a hinge point as the rotating point, a third groove 24 is arranged in the first adjusting rod 5, the second connecting rod 12 and the surveying and mapping rod 11 are connected through the sliding block 13, the surveying and mapping rod 11 moves upwards to push the sliding block 13 to slide in the third groove 24, and the first adjusting rod 5 uses the hinge point to rotate anticlockwise.

Example 3

Specifically referring to fig. 6, a fourth groove 25 is formed in the first adjusting rod 5, the fourth groove 25 is communicated with the third groove 24, an adjusting cylinder 26 is arranged in the fourth groove 25, and the adjusting cylinder 26 is rotatably connected to the side end of the sliding block 13.

In this embodiment: in order to limit the sliding of the sliding block 13 in the third groove 24 and prevent the first adjusting rod 5 and the sliding block 13 from separating, the sliding block 13 is limited to move in the third groove 24 by the sliding of the fourth groove 25 in the adjusting cylinder 26, so that the sliding block 13 can not be separated from the first adjusting rod 5.

Example 4

Referring to fig. 3, a first limiting groove 14 is formed in the mounting block 4, the first limiting groove 14 is communicated with the first groove 16, a first limiting rod 15 is arranged in the first limiting groove 14, and the second connecting rod 12 is slidably connected to the circumferential surface of the first limiting rod 15.

In this embodiment: in order to prevent the second connecting rod 12 from being positionally deviated during the up-and-down movement, the direction in which the second connecting rod 12 slides up and down is restricted by using the first stopper rod 15.

Example 5

Referring to fig. 4 and 5 specifically, each group of rocker mechanisms includes a fifth groove 27 formed in the first adjusting rod 5, a limiting cylinder 17 is slidably connected to the fifth groove 27, a pushing rod 6 is arranged in the mounting block 4, a second groove 18 is formed in the pushing rod 6, the first adjusting rod 5 is slidably connected to the second groove 18, the limiting cylinder 17 is rotatably connected to the pushing rod 6, the pushing rod 6 movably penetrates through the top end of the mounting block 4, a first connecting rod 7 is arranged at one end, away from the mounting block 4, of the pushing rod 6, a plurality of splicing rings 10 are respectively arranged at one end, away from the mounting block 4, of the first connecting rods 7, a limiting ring 8 is arranged on the surface of the resiliometer body 1, and the splicing rings 10 are slidably connected to the limiting ring 8.

In this embodiment: through utilizing the second recess 18 of seting up in the catch bar 6, make catch bar 6 sliding connection in the circumferential surface of first regulation pole 5, when the one end of first regulation pole 5 rotated, can drive catch bar 6 and upwards move, because spacing cylinder 17 slides in fifth recess 27 and has further increased the stability when catch bar 6 receives the effort of first regulation pole 5.

Example 6

Referring to fig. 2, a plurality of clamping grooves 91 are formed at one ends of the splicing rings 10, clamping blocks 9 are arranged at the other ends of the splicing rings 10, and the clamping blocks 9 are clamped with the clamping grooves 91.

In this embodiment: the clamping blocks 9 and the clamping grooves 91 are clamped with each other, so that whether the splicing rings 10 are on the same horizontal plane or not can be observed more visually.

Example 7

Referring to fig. 4 specifically, a limiting block 20 is arranged at a side end of the push rod 6, a second limiting groove 21 is formed in the inner wall, close to the limiting block 20, of the mounting block 4, a second limiting rod 23 is arranged in the second limiting groove 21, the limiting block 20 is slidably connected to the circumferential surface of the second limiting rod 23, a spring 22 is arranged at the top end of the limiting block 20, and the circumferential surface of the second limiting rod 23 is sleeved with the spring 22.

In this embodiment: in order to guarantee that catch bar 6 can guarantee the stability of direction when carrying out elevating movement, the deviation in position can not appear, set up second spacing groove 21 at the inner wall of installation piece 4, be equipped with second gag lever post 23 in second spacing groove 21, and through the circumferential surface that is equipped with second gag lever post 23 with stopper 20's one end, and locate catch bar 6's side with stopper 20's the other end, with this to carry out the injecing of position catch bar 6, and simultaneously, in order to help concatenation ring 10 and survey and drawing pole 11 to reset, be equipped with spring 22 on stopper 20's top, after resiliometer body 1 left the wall, spring 22's resilience can help catch bar 6 to reset, with this drive concatenation ring 10 and survey and drawing pole 11 carry out automatic re-setting, the utilization is promoted.

Example 8

Specifically referring to fig. 1, a first grip 2 is disposed on the top of the resiliometer body 1, and a second grip 3 is disposed on the circumferential surface of the resiliometer body 1.

In this embodiment: the rebound apparatus body 1 can be better held for surveying and mapping.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. Rebound method detects resiliometer for concrete compressive strength, including resiliometer body (1), its characterized in that: a plurality of surveying and mapping rods (11) are arranged around the resiliometer body (1), and the surveying and mapping rods (11) are used for testing the verticality of the resiliometer body (1) and the wall surface;

the circumference surface of resiliometer body (1) is equipped with a plurality of concatenation rings (10), and the concatenation degree of a plurality of concatenation rings (10) is used for observing the perpendicular degree of resiliometer body (1) and wall, a plurality of concatenation rings (10) and a plurality of survey and drawing pole (11) phase-match, and a plurality of survey and drawing pole (11) all move through rocker mechanism drive concatenation ring (10).

2. The rebound tester for testing the compressive strength of concrete according to claim 1, which is characterized in that: the surface of resiliometer body (1) is equipped with installation piece (4), first recess (16) have been seted up on installation piece (4), be equipped with first regulation pole (5) in first recess (16), the one end of first regulation pole (5) is passed through the hinge activity and is articulated in the circumference surface of resiliometer body (1), third recess (24) have been seted up on first regulation pole (5), sliding connection has slider (13) in third recess (24), the one end that first regulation pole (5) were kept away from in slider (13) is equipped with second connecting rod (12), the top of surveying and mapping pole (11) is located in second connecting rod (12).

3. The rebound tester for testing the compressive strength of concrete according to claim 2, wherein: still including adjusting cylinder (26), fourth recess (25) have been seted up in first regulation pole (5), fourth recess (25) and third recess (24) are linked together, adjust cylinder (26) and locate in fourth recess (25), just adjust cylinder (26) and rotate and connect in the side of slider (13).

4. The rebound tester for testing the compressive strength of concrete according to claim 3, which is characterized in that: a first limiting groove (14) is formed in the mounting block (4), the first limiting groove (14) is communicated with the first groove (16), a first limiting rod (15) is arranged in the first limiting groove (14), and the second connecting rod (12) is connected to the circumferential surface of the first limiting rod (15) in a sliding mode.

5. The rebound tester for testing the compressive strength of concrete according to claim 4, wherein: each group of rocker mechanisms comprises a fifth groove (27) arranged on the first adjusting rod (5), a limiting cylinder (17) is connected in the fifth groove (27) in a sliding way, a push rod (6) is arranged in the mounting block (4), a second groove (18) is formed in the push rod (6), the first adjusting rod (5) is connected in the second groove (18) in a sliding manner, the limiting cylinder (17) is rotatably connected in the push rod (6), the push rod (6) movably penetrates through the top end of the mounting block (4), a first connecting rod (7) is arranged at one end of the pushing rod (6) far away from the mounting block (4), a plurality of splicing rings (10) are respectively arranged at one ends of the first connecting rods (7) far away from the mounting block (4), the surface of resiliometer body (1) is equipped with spacing ring (8), and equal sliding connection in spacing ring (8) of a plurality of concatenation ring (10).

6. The rebound tester for testing the compressive strength of concrete according to claim 5, wherein: draw-in groove (91) have all been seted up to the one end of a plurality of concatenation rings (10), and the other end of a plurality of concatenation rings (10) all is equipped with fixture block (9), a plurality of fixture blocks (9) and a plurality of draw-in groove (91) looks joint.

7. The rebound tester for testing the compressive strength of concrete according to claim 6, which is characterized in that: the side of catch bar (6) is equipped with stopper (20), second spacing groove (21) have been seted up to inner wall that installation piece (4) are close to stopper (20), be equipped with second gag lever post (23) in second spacing groove (21), stopper (20) sliding connection is in the circumferential surface of second gag lever post (23), the top of stopper (20) is equipped with spring (22), the circumferential surface of second gag lever post (23) is located in spring (22) cover.

8. The rebound tester for testing the compressive strength of concrete according to claim 7, wherein: the top of resiliometer body (1) is equipped with first handle (2), the circumference surface of resiliometer body (1) is equipped with second handle (3).