CN211505045U

CN211505045U - Concrete flexural strength detection equipment

Info

Publication number: CN211505045U
Application number: CN201922164713.2U
Authority: CN
Inventors: 董嘉仪; 黄立刚
Original assignee: Shandong Luzhu Building Materials Co Ltd
Current assignee: Shandong Luzhu Building Materials Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-09-15
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses an anti strength check out test set that rolls over of concrete, the on-line screen storage device comprises a first base, first base right-hand member fixedly connected with second base, second base upper end middle part fixed mounting has the detection calculator, first base upper end fixed mounting has adjustment mechanism, the platform is placed to two sets of concretes of adjustment mechanism upper end middle part swing joint, and is two sets of the concrete is placed the bench end and has been placed the concrete coagulum jointly, a set of bracing piece of the equal fixedly connected with in adjustment mechanism upper end left side and right side, horizontal cross bar upper end middle part fixed mounting has loading system. Concrete bending strength check out test set, place the platform through setting up adjustment mechanism and concrete for it is convenient to measure, and improves measured data's accuracy nature, through setting up loading mechanism, reachs the destruction load when receiving anti the book through pressure sensor, with data introduction detection calculator in, derives corresponding bending strength, makes the convenient and accuracy height of measurement process.

Description

Concrete flexural strength detection equipment

Technical Field

The utility model relates to a concrete strength check out test set field, in particular to concrete bending strength check out test set.

Background

Maximum load of concrete beam in unit area under bending pressureUnder the general condition, the flexural strength of the concrete is about 1/5-1/10 of the cubic compressive strength of the concrete, which is 1.5-3.0 times of the splitting tensile strength, the flexural strength test adopts a 150mm × 150mm, × 600mm (or 550mm) trabecula as a standard test piece, and the calculation formula is as follows:

wherein f-flexural strength (MPa); f-breaking load (N) when the steel is subjected to fracture resistance; l-distance (mm) between two fulcrums; b- -specimen cross-sectional width (mm); h- -the height (mm) of the section of the test piece, in the traditional concrete flexural strength detection equipment, the adjustment of the distance between the two supporting points is inconvenient, which results in insufficient measurement precision.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides concrete rupture strength check out test set can effectively solve the problem in the background art.

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

the utility model provides an anti intensity check out test set that rolls over of concrete, includes first base, first base right-hand member fixedly connected with second base, second base upper end middle part fixed mounting has the detection calculator, first base upper end fixed mounting has adjustment mechanism, the inside adjusting threaded rod that is provided with of adjustment mechanism, the platform is placed to two sets of concrete of adjustment mechanism upper end middle part swing joint, and is two sets of the concrete is placed a platform upper end and has been placed the concrete coagulum jointly, a set of bracing piece of the equal fixedly connected with in adjustment mechanism upper end left side and right side, and the horizontal pole of upper portion fixedly connected with between two sets of bracing pieces, horizontal pole upper end middle part fixed mounting has loading system.

Preferably, adjustment mechanism is including adjusting the base, and the armpit of telling is searched and is adjusted base upper end middle part and seted up spacing spout, adjust base front end middle part through bearing swing joint and have an adjusting handle, adjusting handle rear end fixedly connected with adjusting threaded rod, and both ends all through bearing swing joint in the cell wall around the spacing spout around adjusting threaded rod, and the armpit of telling is searched adjustment mechanism and is passed through adjusting the base and be in the same place with first base fixed connection.

Preferably, the pressurizing mechanism comprises a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a connecting lifting rod, the lower end of the connecting lifting rod is fixedly connected with a pressing block, the middle of the lower end of the pressing block is fixedly provided with a pressure sensor, the pressure sensor is electrically connected with a detection calculator, the lower end of the pressing block is fixedly connected with a pressing plate, and the pressurizing mechanism is fixedly connected with the horizontal cross rod through the hydraulic cylinder.

Preferably, the middle part of the lower end of the concrete placing table is fixedly connected with a group of limiting sliding blocks, the limiting sliding blocks are in threaded connection with the adjusting threaded rod, the thread directions of the two groups of limiting sliding blocks are opposite, and the concrete placing table is movably connected with the adjusting mechanism through the limiting sliding blocks.

Preferably, the left side and the right side of the limiting sliding groove can be provided with distance scale marks, and the two groups of distance scale marks are parallel to the concrete placing table.

Preferably, the upper part of the inner side of the supporting rod is fixedly connected with a group of triangular reinforcing ribs, and the supporting rod is fixedly connected with the horizontal cross rod through the triangular reinforcing ribs.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. place the platform through setting up adjustment mechanism and concrete, be provided with the regulation base in adjustment mechanism, spacing spout, adjusting handle and adjusting threaded rod, place adjusting threaded rod and concrete spacing slider threaded connection of platform lower part, and two sets of spacing slider screw thread opposite direction, establish two sets of distance scale marks on the side of spacing spout again, when rotating adjusting handle, make two sets of muddy earth place a platform motion in opposite directions, the rethread distance scale mark reads out the distance size between two fulcrums, make the measurement convenient, and improve measured data's accuracy nature.

2. Through setting up the loading system, set up pressure sensor and clamp plate in the loading system, under hydraulic cylinder's effect for the clamp plate is pressed on the concrete coagulation piece, reachs the destruction load when receiving the bending through pressure sensor, with the leading-in detection calculator of data, obtains corresponding bending strength, makes the measurement process convenient and the accuracy is high.

Drawings

FIG. 1 is a schematic view of the overall structure of the concrete flexural strength testing apparatus of the present invention;

FIG. 2 is a schematic view of the connection between the adjusting mechanism of the concrete flexural strength testing apparatus and the concrete placing table of the present invention;

fig. 3 is a sectional view of a pressurizing mechanism of the concrete flexural strength testing apparatus of the present invention;

fig. 4 is the utility model discloses the plan view of concrete flexural strength check out test set's regulation base.

In the figure: 1. a first base; 2. a second base; 3. a detection calculator; 4. an adjustment mechanism; 41. adjusting the base; 42. a limiting chute; 421. distance scale lines; 43. adjusting the handle; 44. adjusting the threaded rod; 5. a concrete placement table; 51. a limiting slide block; 6. a support bar; 61. a triangular reinforcing rib; 7. a horizontal cross bar; 8. a pressurizing mechanism; 81. a hydraulic cylinder; 82. connecting a lifting rod; 83. pressing and briquetting; 84. a pressure sensor; 85. pressing a plate; 9. concrete concretions.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a concrete bending strength check out test set, including

first base

1, 1 right-hand member fixedly connected with second base 2 of first base, 2 upper end middle parts fixed mounting of second base have

detection calculator

3, 1 upper end fixed mounting of first base has adjustment mechanism 4, the inside adjusting threaded rod 44 that is provided with of

adjustment mechanism

4, 4 upper end middle parts swing joint of adjustment mechanism has two sets of concrete to place platform 5, two sets of concrete are placed 5 upper ends and are placed concrete coagulum 9 jointly, 4 upper end left sides of adjustment mechanism and the equal fixedly connected with a set of bracing piece 6 in right side, and upper portion fixedly connected with horizontal cross bar 7 between two sets of

bracing pieces

6, 7 upper end middle parts fixed mounting of horizontal cross bar has loading mechanism 8.

The adjusting mechanism 4 comprises an adjusting base 41, a limiting sliding groove 42 is formed in the middle of the upper end of the fox searching adjusting base 41, the middle of the front end of the adjusting base 41 is movably connected with an adjusting handle 43 through a bearing, the rear end of the adjusting handle 43 is fixedly connected with an adjusting threaded rod 44, the front end and the rear end of the adjusting threaded rod 44 are movably connected into the front groove wall and the rear groove wall of the limiting sliding groove 42 through bearings, the fox searching adjusting mechanism 4 is fixedly connected with the first base 1 through the adjusting base 41, the distance between two supporting points can be conveniently adjusted, and the average value can be obtained through multiple measurements; the pressurizing mechanism 8 comprises a hydraulic cylinder 81, the output end of the hydraulic cylinder 81 is fixedly connected with a connecting lifting rod 82, the lower end of the connecting lifting rod 82 is fixedly connected with a pressurizing press block 83, the middle part of the lower end of the pressurizing press block 83 is fixedly provided with a pressure sensor 84, the pressure sensor 84 is electrically connected with the detection calculator 3, the lower end of the pressurizing press block 83 is fixedly connected with a press plate 85, and the pressurizing mechanism 8 is fixedly connected with the horizontal cross rod 7 through the hydraulic cylinder 81 so as to apply destructive load to the concrete condensation block 9; the middle part of the lower end of the concrete placing table 5 is fixedly connected with a group of limiting slide blocks 51, the limiting slide blocks 51 are in threaded connection with the adjusting threaded rod 44, the thread directions of the two groups of limiting slide blocks 51 are opposite, and the concrete placing table 5 is movably connected with the adjusting mechanism 4 through the limiting slide blocks 51 so as to adjust the distance of the concrete placing table 5; distance scale lines 421 can be arranged on the left side and the right side of the limiting sliding chute 42, and the two groups of distance scale lines 421 are parallel to the concrete placing table 5, so that the distance between the two supporting points can be read conveniently; the equal fixedly connected with a set of triangle strengthening rib 61 in 6 inboard upper portions of bracing piece, bracing piece 6 is in the same place through triangle strengthening rib 61 and horizontal pole 7 fixed connection, strengthens the steadiness between bracing piece 6 and the horizontal pole 7.

It should be noted that, the utility model discloses a concrete flexural strength check out test set, when using, rotate and adjust handle 43, adjust two sets of concrete and place the position of platform 5, place concrete coagulum 9 on platform 5 is placed to the concrete, start hydraulic cylinder 81 among the loading system 8, make clamp plate 85 exert pressure downwards, until concrete coagulum 9 fracture, pressure value peak value that receives through pressure sensor 84 record, measure out concrete coagulum 9's width and height again, read out two concrete through apart from scale mark 421 and place the distance size between the platform 5, with data input to detecting in the calculator 3, through the distance scale mark 421, in

And (5) obtaining the flexural strength of the concrete by a formula.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a concrete flexural strength check out test set, includes first base (1), its characterized in that: first base (1) right-hand member fixedly connected with second base (2), second base (2) upper end middle part fixed mounting has detection calculator (3), first base (1) upper end fixed mounting has adjustment mechanism (4), inside adjusting threaded rod (44) that is provided with of adjustment mechanism (4), platform (5) is placed to adjustment mechanism (4) upper end middle part swing joint has two sets of concretes, and is two sets of platform (5) upper end is placed jointly to the concrete and has been placed concrete coagulation piece (9), a set of bracing piece (6) of equal fixedly connected with in adjustment mechanism (4) upper end left side and right side, and upper portion fixedly connected with horizontal cross bar (7) between two sets of bracing pieces (6), horizontal cross bar (7) upper end middle part fixed mounting has loading system (8).

2. The concrete flexural strength detection apparatus according to claim 1, characterized in that: adjusting mechanism (4) are including adjusting base (41), and race and search fox and adjust base (41) upper end middle part and seted up spacing spout (42), it has regulation handle (43) to adjust base (41) front end middle part through bearing swing joint, adjust handle (43) rear end fixedly connected with adjusting threaded rod (44), and adjusting threaded rod (44) front and back both ends all through bearing swing joint in the cell wall around spacing spout (42), race and search adjusting mechanism (4) and be in the same place through adjusting base (41) and first base (1) fixed connection.

3. The concrete flexural strength detection apparatus according to claim 1, characterized in that: pressurizing mechanism (8) include hydraulic cylinder (81), hydraulic cylinder (81) output end fixedly connected with connects lifter (82), it pressurizes briquetting (83) to connect lifter (82) lower extreme fixedly connected with, briquetting (83) lower extreme middle part fixed mounting exerts pressure sensor (84), and pressure sensor (84) and detection calculator (3) electric connection, briquetting (83) lower extreme fixedly connected with clamp plate (85) exert pressure, pressurizing mechanism (8) are in the same place through hydraulic cylinder (81) and horizontal pole (7) fixed connection.

4. The concrete flexural strength detection apparatus according to claim 1, characterized in that: the concrete placing table is characterized in that the middle of the lower end of the concrete placing table (5) is fixedly connected with a group of limiting sliding blocks (51), the limiting sliding blocks (51) are in threaded connection with the adjusting threaded rod (44), the thread directions of the two groups of limiting sliding blocks (51) are opposite, and the concrete placing table (5) is movably connected with the adjusting mechanism (4) through the limiting sliding blocks (51).

5. The concrete flexural strength detection apparatus according to claim 2, characterized in that: distance scale marks (421) can be arranged on the left side and the right side of the limiting sliding groove (42), and the two groups of distance scale marks (421) are parallel to the concrete placing table (5).

6. The concrete flexural strength detection apparatus according to claim 1, characterized in that: the utility model discloses a bracing piece, including bracing piece (6), the equal fixedly connected with in bracing piece (6) inboard upper portion a set of triangle strengthening rib (61), bracing piece (6) are in the same place through triangle strengthening rib (61) and horizontal pole (7) fixed connection.