CN218271655U

CN218271655U - Test equipment for fracture toughness of concrete test piece

Info

Publication number: CN218271655U
Application number: CN202222467706.1U
Authority: CN
Inventors: 陈丙舒; 王豪; 张威; 王昊晨
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-01-10
Anticipated expiration: 2032-09-19

Abstract

The utility model relates to a test equipment of concrete test piece fracture toughness, including the test equipment body, the inside fixedly connected with hydraulic pressure post of test equipment body, the outside fixedly connected with test piece of hydraulic pressure post, the outside fixedly connected with controller of test equipment body, the inside swing joint of test equipment body has the guard gate. This test equipment of concrete sample fracture toughness, through setting up first hydraulic rod, the clearance board, micro motor, the threaded rod, installation piece and spout, the convenience is convenient for clear up the broken residue after detecting the concrete sample, through setting up second hydraulic rod and placing the platform, it places the position of structure to conveniently can adjust it according to the specification of concrete sample, when the concrete sample is too big or too small, also conveniently detect, through setting up the slipmat, conveniently prevent that the concrete sample from placing and sliding on placing the platform, protect placing the platform simultaneously, avoid the concrete sample to cause the damage to it.

Description

Test equipment for fracture toughness of concrete test piece

Technical Field

The utility model belongs to the technical field of concrete sample fracture toughness test equipment technique and specifically relates to a test equipment of concrete sample fracture toughness is related to.

Background

Concrete is a general term for engineering composite materials formed by cementing aggregate into a whole by cementing materials, and the term concrete generally refers to cement as the cementing materials and sand and stone as the aggregate; the concrete sample is prepared by mixing water (which can contain an additive and an admixture) according to a certain proportion and stirring, and is also called common concrete, wherein the concrete sample is prepared into an article by extracting materials in the concrete or in a concrete structure or specially prepared into certain components for verifying the concrete or the concrete structure, and certain tests are carried out to obtain certain data.

The concrete test piece fracture toughness of current detects and places the concrete test piece in assigned position usually, then press it, it is broken until its fracture, the intensity of pressing is monitored all the time in the period, but concrete test piece placement structure is fixed among the current concrete test piece fracture toughness test equipment, can not adjust its placement structure's position according to concrete test piece's specification, when concrete test piece is too big or too small, inconvenient the detection, can only change other test equipment or make the concrete test piece of corresponding specification again, it is comparatively troublesome, and the broken residue of concrete test piece detection back is also convenient for clear up, so provide a concrete test piece cracked test equipment and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a test equipment of concrete sample fracture toughness has the position that can adjust its structure of placing according to the specification of concrete sample, and when the concrete sample is too big or when being too small, also conveniently detect, the effect of the broken residue of concrete sample detection after is convenient for clear up.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the test equipment for the fracture toughness of the concrete test piece comprises a test equipment body, wherein a hydraulic column is fixedly connected inside the test equipment body, a test block is fixedly connected outside the hydraulic column, a controller is fixedly connected outside the test equipment body, a protective door is movably connected inside the test equipment body, and an adjusting and cleaning structure is arranged inside the test equipment body;

the adjusting and cleaning structure comprises a first hydraulic push rod, a cleaning plate, a micro motor, a threaded rod, an installation block, a sliding groove, a second hydraulic push rod, a placing table and a non-slip mat, the first hydraulic push rod is fixedly connected inside the testing equipment body, the first hydraulic push rod is fixedly connected with the cleaning plate outside the testing equipment body, the testing equipment body is fixedly connected with the micro motor inside the testing equipment body, the micro motor is fixedly connected with the threaded rod outside the testing equipment body, the threaded rod is movably connected with the installation block outside the testing equipment body, the sliding groove is formed inside the testing equipment body, the installation block is fixedly connected with the second hydraulic push rod inside the installation block, the second hydraulic push rod is fixedly connected with the placing table outside the non-slip mat outside the placing table.

Preferably, the hydraulic column leans on the outside at top and the inboard fixed connection at test equipment body top, the top of test piece and the bottom fixed connection of hydraulic column, and the inside of test piece is provided with pressure sensor, the right side of controller and the left side fixed connection of test equipment body, the outside of guard gate and the inside swing joint of test equipment body front side, and the inside fixedly connected with toughened glass window of guard gate.

Preferably, the outer portion of the front side of the first hydraulic push rod is fixedly connected with the inner portion of the rear side of the testing device body, the rear side of the center position of the cleaning plate is fixedly connected with the front side of the first hydraulic push rod, and the bottom of the cleaning plate is attached to the inner bottom wall of the testing device body.

Preferably, the number of the micro motors is two, the outer portions of the two micro motors are fixedly connected with the inner portion of the testing equipment body respectively, the number of the threaded rods is two, and the tops of the two threaded rods are fixedly connected with the bottom output shafts of the two micro motors respectively.

Preferably, the quantity of installation piece is two, two the inside of installation piece respectively with the outside threaded connection of two threaded rods, the quantity of spout is two the spout is seted up respectively in the inside of test equipment body.

Preferably, the number of the second hydraulic push rods is two, the outer portions of the two second hydraulic push rods are fixedly connected with the inner portions of the two mounting blocks respectively, the number of the placing tables is two, and the outer portions of the two placing tables are fixedly connected with the outer portions of the two second hydraulic push rods respectively.

Preferably, the non-slip mats are rubber mats, the number of the non-slip mats is two, and the bottoms of the two non-slip mats are fixedly connected with the tops of the two placing tables respectively.

To sum up, the utility model discloses a following at least one kind of useful technological effect:

this test equipment of concrete sample fracture toughness, through setting up first hydraulic rod, the clearance board, micro motor, the threaded rod, installation piece and spout, the convenience is convenient for clear up the broken residue after detecting the concrete sample, through setting up second hydraulic rod and placing the platform, its position of placing the structure can be adjusted according to the specification of concrete sample to the convenience, too big or too little when the concrete sample, also conveniently detect, through setting up the slipmat, conveniently prevent that the concrete sample from placing and examine time measuring and slide on placing the platform, protect placing the platform simultaneously, avoid the concrete sample to cause the damage to it.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a front sectional view of the present invention;

fig. 4 is a schematic view of the partial side sectional structure of the present invention.

Reference numerals: 1. a test equipment body; 2. a hydraulic column; 3. a test block; 4. a controller; 5. a protective door; 6. adjusting the cleaning structure; 601. a first hydraulic push rod; 602. cleaning the plate; 603. a micro-motor; 604. a threaded rod; 605. mounting blocks; 606. a chute; 607. a second hydraulic push rod; 608. a placing table; 609. provided is a non-slip mat.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-4, for the utility model discloses a test equipment of concrete sample fracture toughness, including test equipment body 1, test equipment body 1's inside fixedly connected with hydraulic column 2, hydraulic column 2's outside fixedly connected with test block 3, test equipment body 1's outside fixedly connected with controller 4, through setting up hydraulic column 2, test block 3 and controller 4, make things convenient for controller 4 control hydraulic column 2 to promote test block 3 and press two concrete samples of placing on placing platform 608, until the concrete sample fracture, the inside pressure sensor of test block 3 shows information transfer for controller 4 during, thereby accomplish the test of concrete sample fracture toughness, test equipment body 1's inside swing joint has guard gate 5, through setting up guard gate 5, conveniently protect, prevent that concrete sample is because high pressure fracture in the testing process, thereby the piece is broken away and is brought the potential safety hazard everywhere, test equipment body 1's inside is provided with regulation clearance structure 6.

The adjusting and cleaning structure 6 comprises a first hydraulic push rod 601, a cleaning plate 602, a micro motor 603, a threaded rod 604, an installation block 605, a sliding groove 606, a second hydraulic push rod 607, a placing platform 608 and a non-slip mat 609, the first hydraulic push rod 601 is fixedly connected inside the testing device body 1, the cleaning plate 602 is fixedly connected outside the first hydraulic push rod 601, the micro motor 603 is fixedly connected inside the testing device body 1, the threaded rod 604 is fixedly connected outside the micro motor 603, the installation block 605 is movably connected outside the threaded rod 604, the sliding groove 606 is formed inside the testing device body 1, the cleaning plate 602 is cleaned by arranging the first hydraulic push rod 601, the micro motor 603, the threaded rod 604, the installation block 605 and the sliding groove 606, the cleaning of broken residues after the concrete test piece is detected is facilitated, the second hydraulic push rod 607 is fixedly connected inside the installation block 605, the placing platform 608 is fixedly connected outside the second hydraulic push rod 607 and the placing platform 608, the position of the placing structure can be conveniently adjusted according to the specification of the concrete, when the concrete is detected, the concrete is too large, the test piece is conveniently detected, the test piece is prevented from being damaged by arranging the non-slip mat 609, and the non-slip mat on the testing platform 609, and the test piece is prevented from being damaged by arranging the non-slip mat on the anti-slip test piece on the non-slip mat.

In fig. 3, the number of the micro motors 603 is two, when the testing device is installed, the outer portions of the two micro motors 603 are respectively and fixedly installed in the inner portions of the left side and the right side of the testing device body 1, the number of the threaded rods 604 is two, when the testing device is installed, the top portions of the two threaded rods 604 are respectively and fixedly installed at the output shafts of the bottom portions of the two micro motors 603, and the outer portions of the two threaded rods 604 are respectively and rotatably installed in the inner portions of the left side and the right side of the testing device body 1.

In fig. 3, the number of the mounting blocks 605 is two, when the testing device is mounted, the two mounting blocks 605 are mounted outside the two threaded rods 604 in a threaded manner, the two sliding grooves 606 are two, the two sliding grooves 606 are symmetrically formed inside the left and right sides of the testing device body 1, and the two threaded rods 604 and the two mounting blocks 605 are respectively located inside the two sliding grooves 606.

In fig. 1 and 3, the number of the second hydraulic push rods 607 is two, the outer portions of the two second hydraulic push rods 607 on the sides away from each other are fixedly mounted inside the adjacent sides of the two mounting blocks 605, respectively, and the number of the placement stages 608 is two, and the adjacent sides of the two second hydraulic push rods 607 are fixedly connected to the sides away from each other of the two placement stages 608, respectively, during mounting.

The implementation principle of the embodiment is as follows: the method comprises the steps that firstly, two second hydraulic push rods 607 stretch out and draw back to respectively drive two placing tables 608 to get close to or get away from each other, so that the appropriate distance between the two placing tables 608 is adjusted according to the specification of a concrete test piece, then the concrete test piece is placed above the two placing tables 608, a controller 4 controls a hydraulic column 2 to push a testing block 3 to press the concrete test piece placed on the two placing tables 608 until the concrete test piece is broken, during the period, a pressure sensor inside the testing block 3 transmits information to the controller 4 to display, so that the test on the fracture toughness of the concrete test piece is completed, then two micro motors 603 are started, the two micro motors 603 respectively drive two threaded rods 604 to rotate, the two rotating threaded rods 604 respectively enable two mounting blocks to move upwards outside the mounting blocks, so that the two placing tables 608 are driven to move up and down, finally, a protective door 5 is opened, the first hydraulic push rod 601 pushes a cleaning plate 602 to clean broken residues of the concrete test piece inside a testing device body 1, and the problem that the concrete fracture structure of the concrete test piece placing table 605 cannot be adjusted according to the specification of the concrete test device is fixed in the existing concrete test device, the concrete test device cannot be conveniently cleaned, and the test device cannot be used for replacing the broken residues of the test piece, and the test device can be used for detecting the concrete test device again.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a test equipment of concrete sample fracture toughness, includes test equipment body (1), its characterized in that: a hydraulic column (2) is fixedly connected to the inside of the testing equipment body (1), a testing block (3) is fixedly connected to the outside of the hydraulic column (2), a controller (4) is fixedly connected to the outside of the testing equipment body (1), a protective door (5) is movably connected to the inside of the testing equipment body (1), and an adjusting and cleaning structure (6) is arranged inside the testing equipment body (1);

the adjusting and cleaning structure (6) comprises a first hydraulic push rod (601), a cleaning plate (602), a micro motor (603), a threaded rod (604), a mounting block (605), a sliding groove (606), a second hydraulic push rod (607), a placing table (608) and an anti-skid pad (609), wherein the first hydraulic push rod (601) is fixedly connected to the inside of the testing equipment body (1), the cleaning plate (602) is fixedly connected to the outside of the first hydraulic push rod (601), the micro motor (603) is fixedly connected to the inside of the testing equipment body (1), the threaded rod (604) is fixedly connected to the outside of the micro motor (603), the mounting block (605) is movably connected to the outside of the threaded rod (604), the sliding groove (606) is formed in the inside of the testing equipment body (1), the second hydraulic push rod (607) is fixedly connected to the inside of the mounting block (605), the placing table (608) is fixedly connected to the outside of the second hydraulic push rod (607), and the anti-skid pad (609) is fixedly connected to the outside of the placing table (608).

2. The test equipment for the fracture toughness of the concrete test piece according to claim 1, wherein: the hydraulic column (2) is close to the outside at top and the inboard fixed connection at testing equipment body (1) top, the top of testing piece (3) and the bottom fixed connection of hydraulic column (2), and the inside of testing piece (3) is provided with pressure sensor, the right side of controller (4) and the left side fixed connection of testing equipment body (1), the outside of guard gate (5) and the inside swing joint of testing equipment body (1) front side, and the inside fixedly connected with toughened glass window of guard gate (5).

3. The test equipment for the fracture toughness of the concrete test piece according to claim 1, wherein: the outside that first hydraulic push rod (601) leaned on the front side is inside fixed connection with the rear side that test equipment body (1) leaned on the bottom, the rear side of clearance board (602) central point puts and the front side fixed connection of first hydraulic push rod (601), and the bottom of clearance board (602) is in the same place with the interior diapire laminating of test equipment body (1).

4. The test equipment for the fracture toughness of the concrete specimen according to claim 1, wherein: the number of the micro motors (603) is two, the outer portions of the two micro motors (603) are fixedly connected with the inner portion of the testing equipment body (1) respectively, the number of the threaded rods (604) is two, and the tops of the two threaded rods (604) are fixedly connected with output shafts at the bottoms of the two micro motors (603) respectively.

5. The test equipment for the fracture toughness of the concrete test piece according to claim 1, wherein: the number of the mounting blocks (605) is two, the inner parts of the two mounting blocks (605) are respectively in threaded connection with the outer parts of the two threaded rods (604), the number of the sliding grooves (606) is two, and the two sliding grooves (606) are respectively arranged in the testing equipment body (1).

6. The test equipment for the fracture toughness of the concrete specimen according to claim 1, wherein: the number of the second hydraulic push rods (607) is two, the outer parts of the two second hydraulic push rods (607) are respectively fixedly connected with the inner parts of the two mounting blocks (605), the number of the placing platforms (608) is two, and the outer parts of the two placing platforms (608) are respectively fixedly connected with the outer parts of the two second hydraulic push rods (607).

7. The test equipment for the fracture toughness of the concrete test piece according to claim 1, wherein: the anti-skid pads (609) are rubber pads, the number of the anti-skid pads is two, and the bottoms of the two anti-skid pads (609) are fixedly connected with the tops of the two placing tables (608) respectively.