CN217765811U

CN217765811U - Concrete compression resistance hardness detection device

Info

Publication number: CN217765811U
Application number: CN202221778153.5U
Authority: CN
Inventors: 伍根伙; 高祥斌; 张荣胜
Original assignee: Xiamen Meiyi Group Co ltd
Current assignee: Xiamen Meiyi Group Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-11-08
Anticipated expiration: 2032-07-11

Abstract

The utility model relates to a concrete resistance to compression hardness detection device relates to concrete resistance to compression detection technical field, and it contains workstation and the support frame body that is used for placing the concrete, and support frame body fixed mounting is provided with driving piece and rotating member on the support frame body on the workstation, and the driving piece drives the rotating member and stretches out and draws back from top to bottom towards the workstation orientation, and the rotating member contains gear, fixed plate and connecting plate, gear, fixed plate and connecting plate superpose fixed connection from top to bottom in proper order. This application drives the rotating part through parallel rack and waits angle rotation 120 degrees in proper order, realizes detecting the layering and realizes realizing the different contact point compressive strength test to the concrete surface respectively in succession the cubic, through the average contrastive analysis of the compressive strength numerical value to the different contact points of cubic in succession, reachs ultimate comparatively accurate concrete compressive strength reference value, and whole practicality is strong, has great market spreading value.

Description

Concrete compression resistance hardness detection device

Technical Field

The application relates to concrete resistance to compression detects technical field, especially relates to a concrete resistance to compression hardness detection device.

Background

Concrete is a generic term for engineering composites where aggregates are cemented into a whole by cementitious materials. Concrete is one of the most important civil engineering materials of the present generation. The artificial stone is prepared by a cementing material, granular aggregate, water, an additive and an admixture which are added if necessary according to a certain proportion, and is formed by uniformly stirring, closely compacting, curing and hardening. The concrete has the characteristics of rich raw materials, low price and simple production process, so that the consumption of the concrete is increased more and more. Meanwhile, the concrete also has the characteristics of high compressive strength, good durability, wide strength grade range and the like.

The existing concrete surface compressive hardness detection is mainly realized by detecting that a pressing plate is pressed on the surface of concrete by single butting, and judging whether the compressive strength of the concrete is in a qualified range or not through an actual pressure value. In view of the above-mentioned related art, the inventor thinks that whether the compressive strength is qualified or not is judged by single pressing detection in a test mode that does not meet the standard work well, and the test mode easily causes that the detection precision is influenced to a certain extent. Therefore, how to design a structure capable of more reasonably testing the compressive hardness is a problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to improve the lower problem of current concrete compressive hardness test mode detection precision, the purpose of this application is to provide a concrete compressive hardness detection device.

The application provides a concrete compressive hardness detection device adopts following technical scheme:

a concrete compression-resistant hardness detection device comprises a workbench and a support frame body, wherein the workbench is used for placing concrete, the support frame body is fixedly installed on the workbench, a driving piece and a rotating piece are arranged on the support frame body, the driving piece drives the rotating piece to vertically extend towards the direction of the workbench, the rotating piece comprises a gear, a fixed plate and a connecting plate, the gear, the fixed plate and the connecting plate are sequentially and vertically overlapped and fixedly connected, the gear is rotatably connected with a driving end of the driving piece, meshed parallel racks are movably arranged on the gear, and the parallel racks drive the rotating piece to circumferentially rotate;

the detection pressing strip penetrates through the ejecting piece, when the driving piece drives the rotating piece to press down towards the surface of the concrete, the ejecting piece moves towards the direction of the fixed plate, and the detection pressing strip penetrates through the ejecting piece to extend to the outside to be in contact with the surface of the concrete.

By adopting the technical scheme, the driving piece controls the rotating piece to ascend and descend, the parallel rack driving gears sequentially displace two sections of distances at equal intervals along the same direction of a straight line, the detection pressing strip in the elastic pressing piece rotates twice along the circumferential direction of the elastic pressing piece, the initial position of the detection pressing strip is combined, when the elastic pressing piece is in contact with the surface of concrete, the elastic pressing piece stretches upwards, the detection pressing strip extends to the bottom of the elastic pressing piece to be in full contact with the surface of the concrete, the actual compressive strength value of the contact point is sensed and recorded by an external pressure tester, then the parallel rack starts to move the first section of distance, the testing position of the detection pressing strip is changed by controlling the rotation of the rotating piece to 120 degrees through the gear to realize the second contact point test and synchronous recording, the parallel rack continues to move the same distance towards the same square, the testing position of the detection pressing strip is changed by controlling the rotation of the rotating piece to 120 degrees through the gear to realize the third contact point test and synchronous recording, the detection pressing strip is eccentrically arranged on the fixed plate, each contact point of the detection pressing strip and the surface of the concrete are different, the concrete, the average compressive strength value of the concrete surface is continuously collected and compared and analyzed by three times, and the accurate reference value of the final compressive strength of the concrete is obtained.

Optionally, a circular sinking groove and a through hole are formed in the connecting plate, the sinking groove is communicated with the through hole, the elastic pressing piece comprises an abutting end and a touch end, the abutting end is installed in the sinking groove, and the touch end penetrates through the through hole.

By adopting the technical scheme, the pressing part can be conveniently sleeved and mounted at the abutting end and the touch end by arranging the sinking groove and the through hole, so that the pressing part can realize the up-and-down displacement in a certain space in the sinking groove.

Optionally, the diameter of the sinking groove is larger than the diameter of the through hole.

Through adopting above-mentioned technical scheme, the diameter in heavy groove is greater than the diameter of through-hole, and the spring part of being convenient for can swing joint hang in the connecting plate, can not deviate from.

Optionally, an expansion piece is arranged on the end face of the abutting end in the sinking groove, and one end of the expansion piece, which is far away from the abutting end, abuts against the fixing plate.

Through adopting above-mentioned technical scheme, through setting up the extensible member for can not cause the concrete surface to bump the bits of broken glass when the suppress piece can contact with the concrete surface, avoid the in-process that detects, the concrete takes place to rock, influences the testing result precision.

Optionally, a mounting hole adapted to the detection pressing bar is formed in the fixing plate, a connecting hole is formed in the elastic pressing piece, and the detection pressing bar is inserted into the connecting hole.

Through adopting above-mentioned technical scheme, the mounting hole is convenient for realize spacing the position installation that detects the layering, when the ejector half and concrete surface butt during upwards displacement, detects the layering and can extend to the outside of ejector half and the abundant butt contact of muddy earth, realizes the compressive strength test.

Optionally, a first telescopic cylinder is arranged at the side edge of the parallel rack of the support frame body, and a driving end of the first telescopic cylinder is connected with the parallel rack.

Through adopting above-mentioned technical scheme, through setting up first telescopic cylinder, the parallel rack of the control of being convenient for realizes linear displacement, drives simultaneously and rotates and make circumferential direction.

Optionally, the driving piece contains pneumatic cylinder, butt board and guide post, the butt board cup joints on the drive end of pneumatic cylinder, pneumatic cylinder fixed mounting is on the support frame body, the guide post is provided with a set of activity and wears to establish just be located respectively on the support frame body the both sides of pneumatic cylinder, the guide post with butt board fixed connection, the gear butt is in the bottom surface of butt board.

Through adopting above-mentioned technical scheme, pneumatic cylinder drive butt joint board carries out the oscilaltion, in order to guarantee the stability of lift process, makes butt joint board can not produce at the in-process that goes up and down and rock through setting up the guide post, and gear revolve connects on the drive of pneumatic cylinder holds, and the pneumatic cylinder drives the rotating member in step and carries out the oscilaltion.

Optionally, the workstation is located be provided with the loading board under the pressure casting die, be provided with stop gear on the loading board, stop gear contains second telescopic cylinder, a set of centre gripping arm and a set of linking arm, and is a set of centre gripping arm symmetry sets up respectively through hinge post movable mounting on the loading board, and is a set of linking arm symmetry sets up and installs a set of in the middle of the centre gripping arm, just the one end of linking arm is respectively through hinge post swing joint on the centre gripping arm, second telescopic cylinder is located the side and the fixed mounting of centre gripping arm are in on the workstation, the drive end activity of second telescopic cylinder passes a set of in the centre gripping arm, a set of the other end of linking arm passes through hinge post swing joint on the drive end of second telescopic cylinder.

By adopting the technical scheme, the driving end of the second telescopic cylinder drives the group of connecting arms to synchronously swing so as to control the group of clamping arms to synchronously rotate inwards or outwards, and when the driving end of the second telescopic cylinder extends inwards, the connecting arms drive the clamping arms to synchronously contract inwards; when the driving end of the second telescopic cylinder stretches outwards, the connecting arm drives the clamping arm to expand outwards synchronously.

Optionally, a positioning cavity for placing concrete is formed on the inner side of the clamping arm, and a clamping opening is formed at a position of the clamping arm, facing the positioning cavity.

By adopting the technical scheme, when the clamping arms synchronously contract inwards, the concrete in the positioning cavity is clamped and limited by the annular clamping opening and can be stably placed on the bearing plate; when the clamping arms synchronously expand outwards, the clamping openings are separated from the periphery of the concrete, and the concrete can be taken out at the moment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rotating piece is driven by the parallel rack to rotate 120 degrees in an equal angle mode in sequence, the compression strength tests of different contact points on the surface of the concrete are realized by respectively and continuously detecting the pressing strips for three times, and the final accurate concrete compression strength reference value is obtained by carrying out average comparison analysis on the compression strength values of the different contact points for three times;

2. through setting up the centre gripping arm on the stop gear and realizing effectual test point to the mounted position of concrete and lay regional location, better improvement test precision.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is a schematic front view of the structure of embodiment 1 of the present application;

FIG. 4 is an exploded view of a rotary member and a parallel rack in accordance with example 1 of the present application;

description of reference numerals:

100. a work table; 110. carrying a plate; 120. a limiting mechanism; 121. a second telescopic cylinder; 122. A clamp arm; 123. a connecting arm; 130. positioning the cavity; 140. a clamping port; 200. a support frame body; 300. a drive member; 310. a hydraulic cylinder; 320. a butt joint plate; 330. a guide post; 400. a rotating member; 410. a gear; 420. a fixing plate; 421. detecting a layering; 422. mounting holes; 430. a connecting plate; 431. a spring pressing piece; 432. connecting holes; 433. a butting end; 434. a touch end; 435. sinking a groove; 436. a through hole; 437. a telescoping member; 500. a first telescopic cylinder; 510. parallel racks.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Example 1: a concrete compression-resistant hardness detection device, referring to fig. 1 and 2, comprises a workbench 100, a support frame body 200 and a bearing plate 110, wherein the support frame body 200 is fixedly installed on the workbench 100, and the bearing plate 110 is arranged at the bottom of the support frame body 200. There is stop gear 120 on the loading board 110, and stop gear 120 contains second telescopic cylinder 121, a set of centre gripping arm 122 and a set of linking arm 123, and two centre gripping arms 122 symmetry sets up respectively through articulated post movable mounting on loading board 110. Two linking arms 123 are symmetrically arranged and installed between a set of two clamping arms 122, one ends of the two linking arms 123 are respectively movably connected to the inner sides of the clamping arms 122 through hinge columns, and the second telescopic cylinder 121 is located on the side edge of the clamping arms 122 and is fixedly installed on the workbench 100. The driving end of the second telescopic cylinder 121 movably penetrates through the middle of the two clamping arms 122, the other ends of the two connecting arms 123 are movably connected to the driving end of the second telescopic cylinder 121 through hinge columns, and the driving end of the second telescopic cylinder 121 drives the two connecting arms 123 to synchronously open, close and swing so as to control the two clamping arms 122 to synchronously rotate inwards or outwards. When the driving end of the second telescopic cylinder 121 is stretched inwards, the two connecting arms 123 move inwards synchronously, and at the moment, the connecting arms 123 drive the clamping arms 122 to contract inwards synchronously; when the driving end of the second telescopic cylinder 121 is extended outwards, the two connecting arms 123 move outwards at the same time, and at this time, the connecting arms 123 drive the clamping arms 122 to expand outwards synchronously.

Referring to fig. 2, a positioning cavity 130 for placing concrete is formed inside the clamping arm 122, and a clamping opening 140 is formed at the position of the clamping arm 122 facing the positioning cavity 130. When the clamping arms 122 synchronously contract towards the inner side, the concrete in the positioning cavity 130 is limited by the annular clamping of the clamping openings 140 and can be stably placed on the bearing plate 110; when the gripping arms 122 are simultaneously expanded outwardly, the gripping openings 140 are disengaged from the outer perimeter of the concrete, at which time the concrete can be removed.

Referring to fig. 1 and 3, a driving member 300 and a rotating member 400 are disposed at the top of the supporting frame body 200. The driving member 300 includes a hydraulic cylinder 310, an abutting plate 320 and a guiding post 330, the abutting plate 320 is sleeved on the driving end of the hydraulic cylinder 310 and the abutting plate 320 is located below the hydraulic cylinder 310, and the hydraulic cylinder 310 is fixedly mounted on the supporting frame body 200. The guide posts 330 are provided with a group of movable penetrating devices disposed on the support frame body 200 and respectively located at two sides of the hydraulic cylinder 310, and the guide posts 330 are located at one end of the abutting plate 320 and fixedly connected with the abutting plate 320.

Referring to fig. 3 and 4, the driving end of the hydraulic cylinder 310 is located at the abutting plate 320 and is rotatably connected with a rotating member 400, the rotating member 400 includes a gear 410, a fixing plate 420 and a connecting plate 430, and the gear 410, the fixing plate 420 and the connecting plate 430 are sequentially and vertically stacked and fixedly connected. Preferably, in the embodiment of the present application, the gear 410, the fixing plate 420 and the connection are fixedly connected by a fastening bolt, wherein the gear 410 is rotatably connected with the driving end of the hydraulic cylinder 310, and the gear 410 is movably provided with a parallel rack 510 engaged therewith. The support frame body 200 is provided with a first telescopic cylinder 500 at the side edge of the parallel rack 510, the driving end of the first telescopic cylinder 500 is connected with the parallel rack 510, and the first telescopic cylinder 500 controls the parallel rack 510 to drive the gear 410 to sequentially displace at equal intervals along the same direction of the straight line. The first telescopic cylinder 500 is controlled by an external control program, the parallel rack 510 synchronizes the gear 410 to rotate axially, and the gear 410 controls the entire rotary member 400 to rotate synchronously when rotating.

Referring to fig. 1 and 4, a circular sinking groove 435 and a through hole 436 are formed in the connecting plate 430, the sinking groove 435 is communicated with the through hole 436, and a spring part 431 is movably disposed in the connecting plate 430. The spring 431 includes a contact end 433 and a touch end 434, and the contact end 433 and the touch end 434 are integrally formed and have a T-shaped cross section. The abutting end 433 is installed in the sinking groove 435, the touching end 434 is inserted into the through hole 436, the overall height of the sinking groove 435 is higher than the installation height of the abutting end 433, and in order to facilitate the elastic member 431 to be movably suspended in the connecting plate 430 without falling off, the diameter of the sinking groove 435 is larger than that of the through hole 436.

In order to prevent the spring 431 from breaking when contacting the concrete surface and to achieve the damping effect of the spring 431, an expansion member 437 is disposed on the end surface of the sinking groove 435 at the abutting end 433 of the spring 431. Preferably, the telescopic member 437 is a telescopic spring in the embodiment of the present application, and one end of the telescopic member 437 away from the abutting end 433 abuts on the fixing plate 420.

Referring to fig. 4, a detection pressing bar 421 is disposed at an eccentric position of the fixing plate 420, a mounting hole 422 adapted to the detection pressing bar 421 is formed in the fixing plate 420, a connecting hole 432 is formed in the elastic pressing piece 431, and the detection pressing bar 421 passes through the sinking groove 435 and is inserted into the connecting hole 432. When the driving member 300 drives the pressing member 431 on the rotating member 400 to press down toward the concrete surface, the pressing member 431 contacts the surface of the concrete and moves inward toward the fixing plate 420, and the detection pressing bar 421 penetrates through the pressing member 431 and extends to the outside to contact with the concrete surface, so that the compression strength of the concrete is detected.

It should be noted that, because the detection pressing bar 421 is disposed on the fixing plate 420 in an eccentric structure, in order to effectively improve the accuracy of the detection result of the concrete compressive hardness test mode, the first telescopic cylinder 500 controls the parallel rack 510 to drive the gear 410 to sequentially displace at equal intervals along the same direction of the straight line by two distances, and at this time, the detection pressing bar 421 in the pressing bar 431 rotates twice along the circumferential direction thereof. Combining the initial position of the detection pressing strip 421, when the pressing piece 431 contacts with the concrete surface, the pressing piece 431 stretches upwards, at this time, the detection pressing strip 421 extends to the bottom of the pressing piece 431 to fully contact with the concrete surface, and the actual compressive strength value of the contact point is sensed and recorded by an external pressure tester. Then, the parallel rack 510 starts to move a first distance, and the gear 410 controls the rotating member 400 to rotate 120 degrees to change the testing position of the detecting pressing bar 421, so as to realize the second contact point test and record synchronously. And continuously moving the parallel rack 510 to the same square for a second equal distance, and continuously rotating the rotary member 400 by 120 degrees under the control of the gear 410 to change the test position of the detection pressing strip 421 so as to realize the test of a third contact point and synchronously record. The detection pressing strip 421 is eccentrically arranged on the fixing plate 420, so that each contact point of the detection pressing strip 421 and the concrete surface is different, and the final accurate concrete compressive strength reference value is obtained through three continuous times of collecting the compressive strength numerical value average comparative analysis of the concrete surface.

The embodiments of the present disclosure are all preferred embodiments of the present disclosure, and the protection scope of the present disclosure is not limited thereby, wherein like parts are designated by like reference numerals. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete compressive hardness detection device, contains workstation (100) and support frame body (200) that are used for placing the concrete, support frame body (200) fixed mounting be in on workstation (100), its characterized in that: a driving part (300) and a rotating part (400) are arranged on the support frame body (200), the driving part (300) drives the rotating part (400) to stretch up and down towards the direction of the workbench (100), the rotating part (400) comprises a gear (410), a fixed plate (420) and a connecting plate (430), the gear (410), the fixed plate (420) and the connecting plate (430) are sequentially overlapped and fixedly connected from top to bottom, the gear (410) is rotatably connected with the driving end of the driving part (300), meshed parallel racks (510) are movably arranged on the gear (410), and the parallel racks (510) drive the rotating part (400) to rotate circumferentially;

the concrete surface detection device is characterized in that a spring pressing piece (431) is movably arranged in the connecting plate (430), the spring pressing piece (431) penetrates through the connecting plate (430) and extends to the outside, a detection pressing strip (421) is arranged at the eccentric position of the fixing plate (420), the detection pressing strip (421) penetrates through the spring pressing piece (431), when the driving piece (300) drives the rotating piece (400) to press downwards towards the concrete surface, the spring pressing piece (431) moves towards the direction of the fixing plate (420), and the detection pressing strip (421) penetrates through the spring pressing piece (431) and extends to the outside to be in contact with the concrete surface.

2. The concrete compression-resistant hardness detection device according to claim 1, characterized in that: a circular sinking groove (435) and a through hole (436) are formed in the connecting plate (430), the sinking groove (435) is communicated with the through hole (436), the elastic pressing piece (431) comprises a butting end (433) and a touching end (434), the butting end (433) is installed in the sinking groove (435), and the touching end (434) penetrates through the through hole (436).

3. The concrete compression-resistant hardness detection device according to claim 2, wherein: the diameter of the sinking groove (435) is larger than that of the through hole (436).

4. The concrete compression-resistant hardness detection device according to claim 2, characterized in that: an expansion piece (437) is arranged on the end face, located at the abutting end (433), in the sinking groove (435), and one end, far away from the abutting end (433), of the expansion piece (437) abuts against the fixing plate (420).

5. The concrete compression-resistant hardness detection device according to claim 1, characterized in that: the fixing plate (420) is provided with a mounting hole (422) matched with the detection pressing strip (421), the elastic pressing piece (431) is provided with a connecting hole (432), and the detection pressing strip (421) is inserted into the connecting hole (432).

6. The concrete compression-resistant hardness detection device according to claim 1, characterized in that: the supporting frame body (200) is provided with a first telescopic cylinder (500) at the side edge of the parallel rack (510), and the driving end of the first telescopic cylinder (500) is connected with the parallel rack (510).

7. The concrete compression-resistant hardness detection device according to claim 1, wherein: the driving piece (300) comprises a hydraulic cylinder (310), a butt plate (320) and a guide column (330), the butt plate (320) is sleeved on the driving end of the hydraulic cylinder (310), the hydraulic cylinder (310) is fixedly installed on the support frame body (200), the guide column (330) is provided with a group of movable penetrating devices which are arranged on the support frame body (200) and are respectively located on two sides of the hydraulic cylinder (310), the guide column (330) is fixedly connected with the butt plate (320), and the gear (410) is abutted to the bottom surface of the butt plate (320).

8. The concrete compression-resistant hardness detection device according to claim 1, wherein: workstation (100) are located be provided with loading board (110) under suppress piece (431), be provided with stop gear (120) on loading board (110), stop gear (120) contain second telescopic cylinder (121), a set of centre gripping arm (122) and a set of linking arm (123), and is a set of centre gripping arm (122) symmetry sets up respectively through hinge post movable mounting on loading board (110), and is a set of linking arm (123) symmetry sets up and installs in the middle of a set of centre gripping arm (122), just the one end of linking arm (123) is respectively through hinge post swing joint in on centre gripping arm (122), second telescopic cylinder (121) are located the side and the fixed mounting of centre gripping arm (122) are in on workstation (100), the drive end activity of second telescopic cylinder (121) is passed a set of the centre gripping arm (122), and is a set of the other end of linking arm (123) is through hinge post movable connection in the drive end of second telescopic cylinder (121).

9. The concrete compression-resistant hardness detection device according to claim 8, characterized in that: and a positioning cavity (130) for placing concrete is formed on the inner side of the clamping arms (122), and a clamping opening (140) is formed at the position, facing the positioning cavity (130), of the clamping arms (122).