CN210604225U

CN210604225U - Concrete impact resistance test device

Info

Publication number: CN210604225U
Application number: CN201921630404.3U
Authority: CN
Inventors: 姜琨
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-05-22
Anticipated expiration: 2029-09-27

Abstract

The utility model relates to a concrete manufacturing field, concretely relates to concrete impact resistance test device, including the base, the base openly is provided with the scale mark, and base upper end symmetry is provided with the stand, and stand upper end fixed mounting has the roof, and the roof lower extreme is connected with the hydraulic stem, and hydraulic stem bottom fixed connection forcing mechanism, base upper end lie in the symmetry between two sets of stands and are provided with the fixed plate, and the concrete piece has been placed in the inboard laminating of a side fixing plate, and opposite side fixed plate inboard is connected with impact mechanism, and the impact mechanism inboard is provided with the kicking block, and the base upper end is provided with stop gear. The utility model discloses calculate according to spring coefficient and the flexible distance of spring, the staff carries out the accuse to the dynamics that strikes the piece to make ultimate test data more accurate, and the staff can adjust the impact strength through the length of adjusting extrusion spring, carry out the impact test of not equidimension.

Description

Concrete impact resistance test device

Technical Field

The utility model relates to a concrete field of making, concretely relates to concrete shock resistance test device.

Background

Concrete is a general term for engineering composite materials in which aggregate is cemented into a whole by a cementing material. The term concrete generally refers to cement as the cementing material and sand and stone as the aggregate; the cement concrete, also called as common concrete, is obtained by mixing with water (which may contain additives and admixtures) according to a certain proportion and stirring, and is widely applied to civil engineering.

The high and low impact resistance of the concrete is an important aspect for evaluating the dynamic performance of the concrete. The existing concrete impact resistance test device comprises a flat steel plate base, a drop hammer and the like, and because the drop hammer is manually adopted in the operation process of an experimenter, the height, the initial speed and the movement track of the drop hammer are easy to deviate, so that the experimental error is caused, and the accuracy of test data is influenced.

Problem to the above-mentioned background is proposed, the utility model discloses a concrete impact resistance test device.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a concrete shock resistance test device solves above-mentioned problem as far as possible.

The utility model discloses a following technical scheme realizes:

the utility model provides a concrete impact resistance test device, includes the base, the base openly is provided with the scale mark, base upper end symmetry is provided with the stand, stand upper end fixed mounting has the roof, the roof lower extreme is connected with the hydraulic stem, hydraulic stem bottom fixed connection application of force mechanism, the base upper end is located the symmetry between two sets of stands and is provided with the fixed plate, one side the concrete piece has been placed in the inboard laminating of fixed plate, the opposite side the fixed plate inboard is connected with impact mechanism, the impact mechanism inboard is provided with the kicking block, the base upper end is provided with stop gear.

Preferably, the force application mechanism comprises a frame, a motor is arranged on one side of the frame, a threaded rod is arranged in the frame in a transverse rotating mode, the power output end of the motor is fixedly connected with one end of the threaded rod, a square rod with a cuboid structure is movably inserted into the other side of the frame, and the threaded rod is inserted into the square rod in a threaded mode.

Preferably, the impact mechanism includes that the slip sets up in the fly leaf of base upper end, and the impact piece is placed in the inboard laminating of fly leaf, the fixed plate of opposite side is connected through the multiunit telescopic link in the fly leaf outside, and the multiunit telescopic link outside all overlaps and is equipped with the spring.

Preferably, stop gear includes the fixed block of fixed connection base upper end, and the fixed electric putter that is equipped with in fixed block both ends, electric putter drive end fixed connection mounting panel, the mounting panel inboard evenly is equipped with the fixture block of mutually supporting with the fly leaf.

Preferably, slots are formed in two ends of the movable plate, clamping pins are movably inserted into the slots, the clamping pins at the two ends can be accommodated and connected into the slots in the two ends of the movable plate through springs, the inner side end of each clamping block is of an inclined surface structure, the clamping pins are in sliding fit with the inclined surfaces, the outer side end of each clamping block is of a right-angle surface structure, and the clamping pins are in limit fit with the right-angle surfaces.

The utility model has the advantages that:

the utility model discloses a force application mechanism promotes the impact mechanism to adjust, utilizes stop gear to carry on spacing, when strikeing the experiment, removes the limit of stop gear to the impact mechanism, utilizes the impact mechanism to promote the impact piece and strike the concrete piece and test; wherein, calculate according to spring coefficient and spring telescopic distance, can rationally control and adjust the dynamics of assaulting the piece impact to make final test data more accurate, and can adjust the impact dynamics by oneself, carry out the impact test of different degrees.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic view of the force applying mechanism of FIG. 1 according to the present invention;

FIG. 3 is a top view of the impact mechanism and the limiting mechanism of FIG. 1 according to the present invention;

fig. 4 is an enlarged view of a structure in fig. 3 according to the present invention.

In the figure: 1-base, 2-scale mark, 3-upright post, 4-top plate, 5-hydraulic rod, 6-force application mechanism, 601-frame, 602-motor, 603-threaded rod, 604-square rod, 605-push plate, 7-fixed plate, 8-concrete block, 9-impact mechanism, 901-movable plate, 902-telescopic rod, 903-spring, 904-bayonet lock, 10-impact block, 11-limiting mechanism, 1101-fixed block, 1102-electric push rod, 1103-mounting plate and 1104-clamping block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-4, a concrete impact resistance test device, which comprises a base 1, the base 1 is openly provided with scale marks 2, the upper end symmetry of the base 1 is provided with upright posts 3, the upper end of the upright posts 3 is fixedly provided with a top plate 4, the lower end of the top plate 4 is connected with a hydraulic rod 5, the bottom of the hydraulic rod 5 is fixedly connected with a force application mechanism 6, the upper end of the base 1 is positioned between two sets of upright posts 3 and symmetrically provided with a fixing plate 7, a concrete block 8 is placed on the inner side of the fixing plate 7 on one side in a laminating manner, the inner side of the fixing plate 7 on the other side is connected with an impact mechanism.

Specifically, the force application mechanism 6 includes a frame 601, a motor 602 is arranged on one side of the frame 601, a threaded rod 603 is arranged in the frame 601 in a transverse rotating manner, the power output end of the motor 602 is fixedly connected with one end of the threaded rod 603, a square rod 604 with a cuboid structure is movably inserted into the other side of the frame 601, the threaded rod 603 is inserted into the square rod 604 in a threaded manner, the motor 602 drives the threaded rod 603 to rotate, and the square rod 604 with the cuboid driven by the threaded rod 603 slides in the frame 601 to push the push plate 605.

Specifically, the impact mechanism 9 includes a movable plate 901 slidably disposed on the upper end of the base 1, an impact block 10 is attached to the inner side of the movable plate 901, the outer side of the movable plate 901 is connected to the fixing plate 7 on the other side through a plurality of groups of telescopic rods 902, a spring 903 is sleeved on the outer side of each group of telescopic rods 902, and the impact block 10 is ejected out to impact the concrete block 8 to be tested through the ejection of the extruded spring 903.

Specifically, the limiting mechanism 11 includes a fixing block 1101 fixedly connected to the upper end of the base 1, electric push rods 1102 are fixedly arranged at two ends of the fixing block 1101, a driving end of each electric push rod 1102 is fixedly connected to the mounting plate 1103, a clamping block 1104 mutually matched with the movable plate 901 is uniformly arranged on the inner side of the mounting plate 1103, and the mounting plate 1103 is moved through the electric push rods 1102 to clamp and limit the impact mechanism 9 through the clamping block 1103.

Specifically, the slots are formed in the two ends of the movable plate 901, the bayonet pins 904 are movably inserted into the slots in the two ends of the movable plate, the bayonet pins 904 at the two ends can be accommodated and connected into the slots in the two ends of the movable plate 901 through springs, the inner side end of the clamping block 1104 is of an inclined plane structure, the bayonet pins 904 are in sliding fit with the inclined plane, the outer side end of the clamping block 1101 is of a right-angle surface structure, the bayonet pins 904 are in limit fit with the right-angle surfaces, the movable plate 901 is pushed to be pushed.

The working principle is as follows: when the utility model is used, a concrete block 8 is placed on the inner side of a fixed plate on one side, a hydraulic rod 5 is started to press an embodiment mechanism 6, a force application mechanism 6 is butted with an impact block 10, an outer end motor 602 of the force application mechanism 6 is started to drive a threaded rod 603 to rotate, and the threaded rod 603 drives a rectangular square rod 604 of a cuboid to slide in a frame 601 to push a push plate 605; at this time, the push plate 605 pushes the impact block 10 and presses the telescopic rod 902 and the spring 903 between the movable plate 901 and the fixed plate 7 on the other side through the movable plate 901, the accommodating length of the telescopic rod 902, that is, the contraction length of the spring 903 is observed according to the scale 2, and the force of the impact block 10 is obtained according to the calculation. Meanwhile, the clamping pins 904 on the two sides of the movable plate 901 pass through the inclined edge on the inner side of the clamping block 1104, so that the movable plate 901 can be pushed conveniently, but the clamping pins 904 are in clamping fit with the right-angle edge on the outer side of the clamping block 1104, so that the movable plate 901 is prevented from popping out by itself. After the adjustment is completed, the force application mechanism 6 is lifted by using the hydraulic rod 5, and then the electric push rods 1102 on the two sides of the fixing block 1101 are started to push the mounting plate 1103 to move towards the two sides, so that the limit between the clamping block 1104 and the clamping pin 904 is released, and at the moment, the movable plate 901 ejects the impact block 10 under the action of the restoring force of the spring 903 to perform an impact force test on the concrete block 8.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Claims

1. The utility model provides a concrete impact test device, includes base (1), its characterized in that: base (1) openly is provided with scale mark (2), base (1) upper end symmetry is provided with stand (3), stand (3) upper end fixed mounting has roof (4), roof (4) lower extreme is connected with hydraulic stem (5), hydraulic stem (5) bottom fixed connection application of force mechanism (6), base (1) upper end is located the symmetry between two sets of stand (3) and is provided with fixed plate (7), one side concrete piece (8) have been placed in the inboard laminating of fixed plate (7), the opposite side fixed plate (7) inboard is connected with beater mechanism (9), beater mechanism (9) inboard is provided with kicking block (10), base (1) upper end is provided with stop gear (11).

2. The concrete impact test device of claim 1, wherein: the force application mechanism (6) comprises a frame (601), a motor (602) is arranged on one side of the frame (601), a threaded rod (603) is arranged in the frame (601) in a transverse rotating mode, the motor (602) is fixedly connected with one end of the threaded rod (603) at the power output end, a square rod (604) of a cuboid structure is movably inserted into the other side of the frame (601), and the threaded rod (603) is inserted into the square rod (604) in a threaded mode.

3. The concrete impact test device of claim 1, wherein: the impact mechanism (9) comprises a movable plate (901) which is arranged at the upper end of the base (1) in a sliding mode, an impact block (10) is attached to the inner side of the movable plate (901), the outer side of the movable plate (901) is connected with a fixed plate (7) on the other side through a plurality of groups of telescopic rods (902), and springs (903) are sleeved on the outer sides of the plurality of groups of telescopic rods (902).

4. A concrete impact test apparatus according to claim 3, wherein: the limiting mechanism (11) comprises a fixing block (1101) fixedly connected with the upper end of the base (1), electric push rods (1102) are fixedly arranged at two ends of the fixing block (1101), a driving end of each electric push rod (1102) is fixedly connected with the mounting plate (1103), and a clamping block (1104) matched with the movable plate (901) is uniformly arranged on the inner side of the mounting plate (1103).

5. A concrete impact test device according to claim 4, characterized in that: the clamping device is characterized in that slots are formed in two ends of the movable plate (901), clamping pins (904) are movably inserted into the slots and can be contained and connected into the slots in two ends of the movable plate (901) through springs, the inner side end of the clamping block (1104) is of an inclined surface structure, the clamping pins (904) are in sliding fit with the inclined surface, the outer side end of the clamping block (1104) is of a right-angle surface structure, and the clamping pins (904) are in limiting fit with the right-angle surface.