CN215492875U

CN215492875U - A strength test device for concrete

Info

Publication number: CN215492875U
Application number: CN202122343171.2U
Authority: CN
Inventors: 李帅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-01-11
Anticipated expiration: 2031-09-26

Abstract

The utility model relates to the field of concrete strength testing, in particular to a strength testing device for concrete, which comprises a base, wherein a testing box is installed at the top end of the base, a placing seat is installed at the middle position of the top end of the base in the testing box, a hydraulic cylinder is installed at the middle position of the top end of the testing box, a fixed protective cover extending into the testing box is installed at the output end of the hydraulic cylinder, a pressure sensor is installed at the bottom end of the fixed rod, and a movable protective cover extending to the outside of the fixed protective cover is installed at the bottom end of a movable plate. This an intensity test device for concrete, through the slip of activity protection casing in returning type inslot portion for during the test, activity protection casing covers the concrete that awaits measuring completely all the time with fixed protection casing, and then the fragment that follow-up concrete that awaits measuring splashes can be blocked by activity protection casing and fixed protection casing, avoids continuing to splash the harm that causes, improves the safety protection nature of this device, thereby has solved the inconvenient problem of protecting.

Description

A strength test device for concrete

Technical Field

The utility model relates to the technical field of concrete strength testing, in particular to a strength testing device for concrete.

Background

Concrete is one of the most common building materials, and the use demand of the concrete is huge nowadays, and the strength of the concrete determines the quality of a building to a great extent, so that special equipment is needed for testing the strength of the concrete for subsequent processing and use.

In the actual test process, generally exert pressure to the concrete, until appearing obvious breakage, the pressure value this moment of record reachs the intensity of concrete, but in its crushing process, often has the fragment branch to spatter, easily causes staff's injury or the damage of equipment, its practicality of greatly reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the strength testing device for the concrete, which has the advantages of convenience in protection and the like, and solves the problem that a common strength testing device is inconvenient to protect.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an intensity test device for concrete, includes the base, the test box is installed on the top of base, and the inside base top intermediate position department of test box installs and places the seat, the intermediate position department on test box top installs the pneumatic cylinder, and the pneumatic cylinder output installs the fixed protection casing that extends to the test box inside, the intermediate position department on the inside top of fixed protection casing installs the dead lever, and the bottom of dead lever installs pressure sensor, the install bin is installed to pressure sensor's bottom, and the below of install bin is provided with the stripper plate, the inside mounting structure that is provided with of install bin on stripper plate top.

The fixed protection casing's inside has been seted up back type groove, and has just returned the equidistant reset spring that installs in the top of type inslot portion, it has the fly leaf to return type inslot portion between the reset spring bottom, and installs the movable protection casing that extends to the fixed protection casing outside in the fly leaf bottom, place the upper end of seat both sides and install the thrust plate.

Further, the vertical spout of having seted up in both ends of the inside both sides of test box, and the both ends of fixed protection casing both sides upper end install with spout matched with slider, fixed protection casing passes through the inside constitution sliding structure of slider and spout.

Further, mounting structure includes positive and negative threaded rod, positive and negative threaded rod transversely rotates to be connected on the inside top of install bin, and positive and negative threaded rod one side installs the rocking handle that extends to the install bin outside, the both sides threaded connection on positive and negative threaded rod surface has the screw thread piece, and the bottom of screw thread piece installs the locating rack, the draw-in groove has been seted up to the both sides of the inside bottom of install bin, and stripper plate top both sides install draw-in groove matched with fixture block, the upper end and the lower extreme of the inside one side of fixture block have been seted up with locating rack matched with locating hole.

Furthermore, the shape of locating rack is the type of falling F, and is the welding integrated structure between the bottom of locating rack top and screw thread piece.

Further, a spongy cushion is installed at the bottom end inside the placing seat, and the spongy cushion is in a round table shape.

Furthermore, the placing seat is U-shaped, and the area of the cross section of the placing seat is smaller than the inner area of the cross section of the movable protective cover.

Furthermore, the shape of the movable plate is a square-shaped shape, and the width of the movable plate is larger than the width of the opening at the bottom end of the square-shaped groove.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this an intensity test device for concrete, through being provided with the thrust plate, activity protection casing and fixed protection casing, contact the thrust plate top when the activity protection casing, cover the concrete that awaits measuring completely through activity protection casing and fixed protection casing this moment, later the pneumatic cylinder continues to work, make the activity protection casing slide in type inslot portion back, the stripper plate contact concrete top that awaits measuring simultaneously and exert pressure to it, when obvious breakage appears in it, record pressure sensor's peak value, and then reach the intensity of the concrete that awaits measuring, the fragment that the concrete that awaits measuring splashes simultaneously is whole to be blocked by activity protection casing and fixed protection casing, avoid continuing to splash the harm that causes, thereby reduce staff's danger and the possibility that other equipment damaged, improve the safety protection nature of this device, thereby the problem of inconvenient protection has been solved.

2. This an intensity test device for concrete, through being provided with the draw-in groove, the locating rack, locating hole and fixture block, it rotates to drive positive and negative threaded rod through rotating the rocking handle, make the screw block remove to drive the locating rack and remove to breaking away from the locating hole completely, later down stimulate the stripper plate, make draw-in groove and fixture block break away from completely, and during the installation, insert the draw-in groove with the fixture block inside, the rocking handle is rotated to the antiport again, make the screw block remove to drive inside the locating rack card goes into the locating hole, realize the stable installation of stripper plate, be convenient for to the quick dismantlement installation of stripper plate, reduce the degree of difficulty that the staff installed and dismantles, the test operation of follow-up concrete intensity of being convenient for, thereby the comparatively loaded down with trivial details problem of stripper plate change has been solved.

Drawings

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

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the bottom structure of the test box of the present invention;

FIG. 4 is an enlarged front view of the extrusion plate according to the present invention;

FIG. 5 is an enlarged view of the portion A of FIG. 1 according to the present invention.

In the figure: 1. a test box; 2. a mounting structure; 201. a thread block; 202. a card slot; 203. a positioning frame; 204. positioning holes; 205. a clamping block; 206. a rocking handle; 207. a positive and negative threaded rod; 3. a pressing plate; 4. a base; 5. a placing seat; 6. a sponge cushion; 7. a thrust plate; 8. a movable protective cover; 9. a pressure sensor; 10. fixing the rod; 11. fixing a protective cover; 12. a hydraulic cylinder; 13. a return spring; 14. a returning groove; 15. a slider; 16. a chute; 17. installing a box; 18. a movable plate.

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.

Referring to fig. 1-5, in the embodiment, the strength testing device for concrete includes a base 4, a testing box 1 is installed on the top end of the base 4, a placing seat 5 is installed at the middle position of the top end of the base 4 inside the testing box 1, a hydraulic cylinder 12 is installed at the middle position of the top end of the testing box 1, the type of the hydraulic cylinder 12 may be SDA-12x35, a fixed protective cover 11 extending to the inside of the testing box 1 is installed at the output end of the hydraulic cylinder 12, a fixing rod 10 is installed at the middle position of the top end inside the fixed protective cover 11, a pressure sensor 9 is installed at the bottom end of the fixing rod 10, the type of the pressure sensor 9 may be T2000, an installation box 17 is installed at the bottom end of the pressure sensor 9, a squeezing plate 3 is installed below the installation box 17, and an installation structure 2 is installed inside the installation box 17 at the top end of the squeezing plate 3.

The fixed protection cover 11 is internally provided with a returning groove 14, the top end of the inside of the returning groove 14 is provided with a return spring 13 at equal intervals, a movable plate 18 is arranged in the returning groove 14 between the bottoms of the return spring 13, the bottom end of the movable plate 18 is provided with a movable protection cover 8 extending to the outside of the fixed protection cover 11, and the upper ends of the two sides of the placing seat 5 are provided with thrust plates 7.

Referring to fig. 1, 3 and 5, in the embodiment, sliding grooves 16 are vertically formed at two ends of two sides inside the testing box 1, and sliding blocks 15 matched with the sliding grooves 16 are installed at two ends of the upper ends of two sides of the fixed protecting cover 11, and the fixed protecting cover 11 and the sliding grooves 16 form a sliding structure through the sliding blocks 15.

It should be noted that, the slide block 15 slides inside the slide slot 16, so that the fixed protection cover 11 slides up and down more stably, which is convenient for the subsequent protection operation.

Referring to fig. 1, fig. 2 and fig. 4, in this embodiment, the mounting structure 2 includes a positive and negative threaded rod 207, the positive and negative threaded rod 207 is transversely rotatably connected to the top end inside the mounting box 17, a rocking handle 206 extending to the outside of the mounting box 17 is installed on one side of the positive and negative threaded rod 207, two sides of the surface of the positive and negative threaded rod 207 are threadedly connected to a threaded block 201, a positioning frame 203 is installed at the bottom end of the threaded block 201, clamping grooves 202 are formed on two sides of the bottom end inside the mounting box 17, clamping blocks 205 matched with the clamping grooves 202 are installed on two sides of the top end of the extrusion plate 3, and positioning holes 204 matched with the positioning frame 203 are formed in the upper end and the lower end of one side inside the clamping blocks 205.

It should be noted that, the rocking handle 206 is rotated to drive the positive and negative threaded rod 207 to rotate, so that the threaded block 201 moves to drive the positioning frame 203 to move to completely separate from the positioning hole 204, and then the extrusion plate 3 is pulled downwards, so that the clamping groove 202 and the clamping block 205 completely separate, and during installation, the clamping block 205 is inserted into the clamping groove 202, and the rocking handle 206 is rotated reversely again, so that the threaded block 201 moves to drive the positioning frame 203 to be clamped into the positioning hole 204, thereby realizing stable installation of the extrusion plate 3, and facilitating subsequent concrete strength test operation.

Referring to fig. 1 and 3, in the present embodiment, the positioning frame 203 is shaped like an inverted F, and the top end of the positioning frame 203 and the bottom end of the thread block 201 are welded together.

It should be noted that, by arranging the inverted F-shaped positioning frame 203, the stability of the installed extrusion plate 3 is improved, and accidental dropping is avoided.

Referring to fig. 1 and 2, in the present embodiment, a sponge pad 6 is installed at the bottom end inside the placing seat 5, and the shape of the sponge pad 6 is a truncated cone.

It should be noted that the truncated cone-shaped spongy cushion 6 is arranged, so that the concrete can be clamped in a limiting manner conveniently, and the impact force after crushing can be reduced.

Referring to fig. 1 and 2, in the present embodiment, the placing base 5 is U-shaped, and the area of the cross section of the placing base 5 is smaller than the inner area of the cross section of the movable protective cover 8.

It should be noted that, by arranging the U-shaped placing seat 5, the concrete can be conveniently placed, and the subsequent strength test operation is facilitated.

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, in the present embodiment, the movable plate 18 is shaped like a Chinese character 'hui', and the width of the movable plate 18 is greater than the width of the bottom opening of the circular groove 14.

It should be noted that, by providing the movable plate 18 with a larger square-shaped shape, the movable shield 8 is prevented from being separated from the fixed shield 11.

It can be understood that this a strength test device for concrete avoids the harm that broken concrete splashes and causes when can realize the test, can dismantle the installation of stripper plate 3 fast simultaneously, reduces the change degree of difficulty.

The working principle of the above embodiment is as follows:

when the concrete testing device works, firstly, concrete to be tested is placed in the placing seat 5, the round platform type spongy cushion 6 is used for limiting and clamping the concrete to be tested, then the hydraulic cylinder 12 is started to drive the fixed protective cover 11 to descend, the sliding of the sliding block 15 in the sliding groove 16 is utilized to enable the fixed protective cover 11 to descend more stably, when the movable protective cover 8 contacts the top end of the thrust plate 7, the concrete to be tested is completely covered through the movable protective cover 8 and the fixed protective cover 11, then the hydraulic cylinder 12 continues to work, the movable protective cover 8 is lifted to drive the movable plate 18 to slide in the returning groove 14 to compress the reset spring 13, meanwhile, the extrusion plate 3 contacts the top end of the concrete to be tested and applies pressure to the concrete, when the concrete to be tested is obviously crushed, the peak value of the pressure sensor 9 is recorded, the strength of the concrete to be tested is obtained, and meanwhile, all fragments splashed by the movable protective cover 8 and the fixed protective cover 11, the harm caused by continuous splashing is avoided;

simultaneously when the stripper plate 3 self wearing and tearing are serious or damage the back, rotatable rocking handle 206 drives positive and negative threaded rod 207 and rotates, utilize the screw-thread fit between screw block 201 and the positive and negative threaded rod 207, make screw block 201 remove to drive locating rack 203 and remove to breaking away from locating hole 204 completely, later down stimulate stripper plate 3, make draw-in groove 202 and fixture block 205 break away from completely can, and during the installation, insert fixture block 205 inside draw-in groove 202, reverse rotation rocking handle 206 again, make screw block 201 remove to drive inside locating rack 203 card goes into locating hole 204, realize the stable installation of stripper plate 3, be convenient for the test operation of follow-up concrete intensity.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A strength test device for concrete, includes base (4), its characterized in that: the testing device is characterized in that a testing box (1) is installed at the top end of the base (4), a placing seat (5) is installed at the middle position of the top end of the base (4) in the testing box (1), a hydraulic cylinder (12) is installed at the middle position of the top end of the testing box (1), a fixed protective cover (11) extending into the testing box (1) is installed at the output end of the hydraulic cylinder (12), a fixed rod (10) is installed at the middle position of the top end in the fixed protective cover (11), a pressure sensor (9) is installed at the bottom end of the fixed rod (10), an installation box (17) is installed at the bottom end of the pressure sensor (9), an extrusion plate (3) is arranged below the installation box (17), and an installation structure (2) is arranged in the installation box (17) at the top end of the extrusion plate (3);

returning type groove (14) have been seted up to the inside of fixed protection casing (11), and return type groove (14) inside top equidistant installation reset spring (13), returning type groove (14) internally mounted between reset spring (13) bottom has fly leaf (18), and fly leaf (18) bottom installs and extend to fixed protection casing (11) outside movable protection casing (8), place the upper end of seat (5) both sides and install thrust plate (7).

2. A strength testing device for concrete according to claim 1, characterized in that: the test box is characterized in that sliding grooves (16) are vertically formed in two ends of two inner sides of the test box (1), sliding blocks (15) matched with the sliding grooves (16) are installed at two ends of the upper ends of two sides of the fixed protective cover (11), and the fixed protective cover (11) forms a sliding structure through the sliding blocks (15) and the sliding grooves (16).

3. A strength testing device for concrete according to claim 1, characterized in that: mounting structure (2) include positive and negative threaded rod (207), positive and negative threaded rod (207) transverse rotation connects on the inside top of install bin (17), and positive and negative threaded rod (207) one side installs rocking handle (206) that extends to install bin (17) outside, the both sides threaded connection on positive and negative threaded rod (207) surface has screw block (201), and the bottom of screw block (201) installs locating rack (203), draw-in groove (202) have been seted up to the both sides of the inside bottom of install bin (17), and stripper plate (3) top both sides install draw-in groove (202) matched with fixture block (205), upper end and the lower extreme of the inside one side of fixture block (205) have been seted up with locating rack (203) matched with locating hole (204).

4. A strength testing device for concrete according to claim 3, wherein: the positioning frame (203) is in an inverted F shape, and the top end of the positioning frame (203) and the bottom end of the thread block (201) are in a welding integrated structure.

5. A strength testing device for concrete according to claim 1, characterized in that: the bottom end inside the placing seat (5) is provided with a spongy cushion (6), and the spongy cushion (6) is in a round table shape.

6. A strength testing device for concrete according to claim 1, characterized in that: the placing seat (5) is U-shaped, and the area of the cross section of the placing seat (5) is smaller than the inner area of the cross section of the movable protective cover (8).

7. A strength testing device for concrete according to claim 1, characterized in that: the movable plate (18) is in a shape of a Chinese character 'hui', and the width of the movable plate (18) is larger than that of an opening at the bottom end of the returning groove (14).