CN212340868U

CN212340868U - Test equipment for measuring flexural strength of concrete test piece

Info

Publication number: CN212340868U
Application number: CN202021038850.8U
Authority: CN
Inventors: 庞博; 刘浩敏
Original assignee: Suzhou Water Conservancy Engineering Quality Testing Center Co ltd
Current assignee: Suzhou Water Conservancy Engineering Quality Testing Center Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-01-12
Anticipated expiration: 2030-06-08

Abstract

The utility model belongs to the field of strength detection, in particular to a test device for measuring the flexural strength of a concrete sample, which comprises a base, wherein the middle position of the upper surface of the base is connected with a workbench, the upper surface of the base is close to the two sides of the workbench and is connected with a support frame, the inner side wall of the support frame is connected with a support rod, and one side of the front surface of the support frame is provided with a protective mechanism; through the slide rail, the setting of connecting plate and protection casing, can not make the test process collapse garrulous concrete piece and cause the injury to equipment and personnel, and the protection casing removes along with the removal of bracing piece, need not the manual work and adjust, more convenience, through the guide board, filter plate and the setting of collection storehouse, make the concrete piece arrive collection storehouse department behind collecting hopper and pipeline and concentrated the collection, make the test process produce the concrete piece and all collected inside the collection storehouse with the piece, need not the staff and clear up the workstation many times, practice thrift more time.

Description

Test equipment for measuring flexural strength of concrete test piece

Technical Field

The utility model relates to an intensity detects the field, concretely relates to a test equipment for determining concrete test piece rupture strength.

Background

The three-point bending tester is also called a WD-T1 three-point bending strength tester or a three-point bending strength tester. The specimen is placed on two supporting points with a certain distance, downward load is applied to the specimen above the middle point of the two supporting points, three-point bending occurs when three contact points of the specimen form two equal moments, and the specimen is broken at the middle point. Three-point bending tests are commonly used to measure the bending strength of various materials.

The prior art has the following problems:

1. when the test equipment is used for testing the bending strength of a concrete test piece, the protective cover needs to be arranged for preventing the damage of the broken concrete block to the equipment and personnel, the worker needs to adjust the position of the protective cover manually when testing, and the worker needs to adjust the position of the protective cover again after the test is finished, so that the operation is more complicated, and the inconvenience is caused to the worker.

2. When the test equipment is used for testing the flexural strength of a concrete test piece, the concrete test piece is prone to scattering more concrete blocks and fragments when the concrete test piece is broken, the fragments are accumulated on the surface of the test equipment to cause the pollution of the test equipment, and the continuation of the test work is influenced, so that a worker needs to clean a workbench for many times when the test is carried out for many times, more time is delayed, and the working efficiency of the worker is influenced.

In order to solve the problems, the application provides a test device for measuring the flexural strength of a concrete sample.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a test equipment for determining concrete test piece flexural strength has and prevents splashing and causes the characteristics of equipment damage and piece clearance.

(II) technical scheme

In order to solve the technical problem, the utility model provides a test device for measuring the flexural strength of a concrete sample, which comprises a base, a workbench is connected in the middle of the upper surface of the base, supporting frames are connected on the upper surface of the base close to the two sides of the workbench, the inner side wall of the supporting frame is connected with a supporting rod, one side of the front surface of the supporting frame is provided with a protection mechanism, the middle position of the upper surface of the workbench is provided with a material collecting mechanism, the protection mechanism comprises a slide rail, a connecting plate, a connecting buckle, a hole, a protective cover and a rubber pad, one side of the front surface of the support frame is connected with a connecting plate, one side of the outer side wall of the connecting plate is connected with a slide rail, the utility model discloses a safety protection cover, including bracing piece, connecting buckle, hole, protection cover upper surface, the bracing piece lateral wall is connected with the protection casing through the connecting buckle, the hole has been seted up to protection casing upper surface intermediate position department, protection casing inside wall top is connected with the rubber pad.

Preferably, the number of the connecting plates is four, and the four connecting plates are respectively connected to the front surface and the rear surface of the two sides of the supporting frame.

Preferably, the upper surface of the base is provided with a groove at a position corresponding to the slide rail.

Preferably, the material collecting mechanism comprises a material discharging hole, and the material discharging hole is formed in the middle of the upper surface of the workbench.

Preferably, the mechanism that gathers materials still includes aggregate bin, pipeline and aggregate bin, the inside upper surface of base corresponds unloading hole position department is connected with the aggregate bin, the aggregate bin lower extreme is connected with the pipeline, pipeline one end is connected with the aggregate bin.

Preferably, the collecting mechanism further comprises a filter screen plate and a rotating wheel, and the position, close to the collecting bin, of the base is connected with the filter screen plate through the rotating wheel.

Preferably, the mechanism that gathers materials still includes the guide board, protection casing inside wall below is connected with the guide board.

The above technical scheme of the utility model has following profitable technological effect:

1. through the slide rail, the setting of connecting plate and protection casing, make test equipment when carrying out rupture strength test to the concrete test piece, the accessible connector link is connected the protection casing on the bracing piece, make the protection casing at the in-process that the bracing piece descends, insert the slide rail inboard, make protection casing and connecting plate form confined space, can not make the test in-process collapse garrulous concrete piece and cause the injury to equipment and personnel, and the protection casing removes along with the removal of bracing piece, need not the manual work and adjust, convenience more.

2. Through the guide board, filter screen board and the setting of collection storehouse, make test equipment when carrying out bending strength test to the concrete sample, broken concrete piece falls to unloading hole position department along the guide board inclined plane under the guide of guide board, make the concrete piece arrive collection storehouse department behind collecting hopper and pipeline and concentrated the collection, it all is collected inside the collection storehouse to make production concrete piece and piece in the testing process, need not staff and clear up the workstation many times, practice thrift more time, be favorable to staff work efficiency's improvement.

Drawings

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

FIG. 2 is a schematic structural view of the protection mechanism of the present invention;

FIG. 3 is a schematic view of the protective cover of the present invention;

fig. 4 is a schematic structural diagram of the material collecting mechanism of the present invention.

Reference numerals:

1. a base; 2. a support frame; 3. a support bar; 4. a work table; 5. a protection mechanism; 51. a slide rail; 52. a connecting plate; 53. a connecting buckle; 54. a hole; 55. a protective cover; 56. a rubber pad; 6. a material collecting mechanism; 61. a guide plate; 62. a blanking hole; 63. a filter screen plate; 64. a rotating wheel; 65. a material collecting bin; 66. a pipeline; 67. a collection hopper.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in figures 1-4, the test device for measuring the flexural strength of a concrete sample provided by the utility model comprises a base 1, a worktable 4 is connected at the middle position of the upper surface of the base 1, a support frame 2 is connected at the upper surface of the base 1 near the two sides of the worktable 4, a support rod 3 is connected at the inner side wall of the support frame 2, a protective mechanism 5 is arranged at one side of the front surface of the support frame 2, a material collecting mechanism 6 is arranged at the middle position of the upper surface of the worktable 4, the protective mechanism 5 comprises a slide rail 51, a connecting plate 52 and a connecting buckle 53, hole 54, protection casing 55 and rubber pad 56, support frame 2 front surface one side is connected with connecting plate 52, and connecting plate 52 lateral wall one side is connected with slide rail 51, and the bracing piece 3 lateral wall is connected with protection casing 55 through connector link 53, and hole 54 has been seted up to protection casing 55 upper surface intermediate position department, and protection casing 55 inside wall top is connected with rubber pad 56.

In this embodiment, when carrying out rupture strength test to concrete test piece in order to solve test equipment, need to set up the protection casing for preventing that broken concrete piece from causing the injury to equipment and personnel, the staff need artifically adjust the position of protection casing 55 when testing, and need carry out the regulation of protection casing 55 position once more after the test, and the operation is loaded down with trivial details, causes inconvenient problem for the staff.

As shown in fig. 2-3, when the test equipment is used for testing the bending strength of a concrete sample, the protective cover 55 can be connected to the supporting rod 3 through the connecting buckle 53, the protective cover 55 is inserted into the inner side of the sliding rail 51 in the descending process of the supporting rod 3, the protective cover 55 and the connecting plate 52 form a closed space, the damage to the equipment and personnel caused by the broken concrete blocks in the test process can be avoided, the protective cover 55 moves along with the movement of the supporting rod 3, manual adjustment is not needed, and the test equipment is more convenient.

It should be noted that, when the test equipment of the protective cover 55 on the support rod 3 contacts the concrete sample, the protective cover 55 is kept level with the base 1, and in the process of pressing down the test equipment, the protective cover 55 is embedded into the upper groove of the base 1 and descends along with the descending of the support rod 3, so that the test work of the test equipment cannot be influenced, and the rubber pad 56 is installed on the inner side of the protective cover 55 and can buffer the acting force generated by the collision of the broken concrete blocks and the protective cover 55, so that the service life of the protective cover 55 is prolonged.

In this embodiment, when carrying out rupture strength test to concrete test piece in order to solve test equipment, more concrete piece and piece are easily scattered when the concrete test piece is broken, and the piece is piled up and is caused test equipment's dirt on test equipment's surface, and influences continuation going on of test work, makes the staff need clear up the workstation many times when carrying out many times test, delays more time, influences staff work efficiency's problem.

As shown in fig. 3-4, when the testing equipment is used for testing the bending strength of a concrete sample, broken concrete blocks fall to the position of the blanking hole 62 along the inclined surface of the guide plate 61 under the guide of the guide plate 61, the concrete blocks reach the material collecting bin 65 through the material collecting hopper 67 and the pipeline 66 and are collected in a centralized manner, the concrete blocks and scraps generated in the testing process are collected inside the material collecting bin 65, a worker does not need to clean the workbench 4 for many times, more time is saved, and the improvement of the working efficiency of the worker is facilitated.

It should be noted that, guide board 61 is the angle of inclination design, the fragment that is convenient for collapse garrulous and splashes falls to unloading hole 62 position department along the inclined plane, the width size of guide board 61 is less than the width size of protection casing 55, do not influence protection casing 55 and slide rail 51's gomphosis each other, filter plate 63 can carry out the separation to the dust that the concrete piece roll in-process produced, prevent that the dust from diffusing to the external pollution that causes the environment, and filter plate 63 can rotate along runner 64 and open, the staff of being convenient for clears up the inside accumulational concrete piece of aggregate bin 65 and piece.

In the present embodiment, in order to make the position of the protective cover 55 limited by the slide rail 51, it is further preferable that the number of the connecting plates 52 is four, and four connecting plates 52 are respectively connected to the front and rear surfaces of both sides of the supporting frame 2.

In order to make the protective cover 55 be embedded into the groove when the supporting rod 3 descends, a groove is further formed on the upper surface of the base 1 at a position corresponding to the sliding rail 51.

In order to collect the broken concrete intensively after falling along the blanking holes 62, the material collecting mechanism 6 further comprises the blanking holes 62, and the blanking holes 62 are formed in the middle position of the upper surface of the workbench 4.

In order to collect the concrete block after the breakage, the aggregate mechanism 6 further comprises an aggregate bin 65, a pipeline 66 and an aggregate hopper 67, the aggregate hopper 67 is connected to the position, corresponding to the blanking hole 62, of the upper surface inside the base 1, the lower end of the aggregate hopper 67 is connected with the pipeline 66, and one end of the pipeline 66 is connected with the aggregate bin 65.

In order to prevent the dust generated by crushing from being filtered by the filter screen plate 63 and polluting the environment, the material collecting mechanism 6 further comprises the filter screen plate 63 and a rotating wheel 64, and the filter screen plate 63 is connected to the position, close to the material collecting bin 65, inside the base 1 through the rotating wheel 64.

In order to make the crushed concrete reach the position of the blanking hole 62 along the inclined guide plate 61, it is further provided that the aggregate mechanism 6 further comprises the guide plate 61, and the guide plate 61 is connected below the inner side wall of the protective cover 55.

The utility model discloses a theory of operation and use flow: when the test equipment is used for testing the bending strength of a concrete sample, the protective cover 55 can be connected to the supporting rod 3 through the connecting buckle 53, the protective cover 55 is inserted into the inner side of the slide rail 51 in the descending process of the supporting rod 3, so that the protective cover 55 and the connecting plate 52 form a closed space, the damage to the equipment and personnel caused by the broken concrete blocks in the test process can be avoided, the protective cover 55 moves along with the movement of the supporting rod 3, the manual adjustment is not needed, the convenience is improved, the broken concrete blocks fall to the position of the blanking hole 62 along the inclined surface of the guide plate 61 under the guide of the guide plate 61, the concrete blocks reach the material collecting bin 65 through the material collecting bin 67 and the pipeline 66 and are collected in a centralized manner, the concrete blocks and the scraps generated in the test process are collected in the material collecting bin 65, the working platform 4 does not need to be cleaned by a plurality of working personnel, and more time is saved, is beneficial to improving the working efficiency of the working personnel.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A test device for measuring the flexural strength of a concrete test piece comprises a base (1), wherein a workbench (4) is connected to the middle position of the upper surface of the base (1), a support frame (2) is connected to the two sides of the workbench (4) close to the upper surface of the base (1), a support rod (3) is connected to the inner side wall of the support frame (2), the test device is characterized in that a protective mechanism (5) is arranged on one side of the front surface of the support frame (2), a material collecting mechanism (6) is arranged at the middle position of the upper surface of the workbench (4), the protective mechanism (5) comprises a slide rail (51), a connecting plate (52), a connecting buckle (53), a hole (54), a protective cover (55) and a rubber pad (56), the connecting plate (52) is connected to one side of the front surface of the support frame (2), the slide rail, the outer side wall of the supporting rod (3) is connected with a protective cover (55) through a connecting buckle (53), a hole (54) is formed in the middle position of the upper surface of the protective cover (55), and a rubber pad (56) is connected above the inner side wall of the protective cover (55).

2. The test equipment for measuring the flexural strength of a concrete specimen according to claim 1, characterized in that the number of the connecting plates (52) is four, and four connecting plates (52) are respectively connected to the front and rear surfaces of both sides of the support frame (2).

3. The test equipment for measuring the flexural strength of the concrete specimen according to the claim 1, characterized in that the upper surface of the base (1) is provided with a groove corresponding to the position of the slide rail (51).

4. The test equipment for measuring the flexural strength of the concrete specimen according to the claim 1, characterized in that the aggregate mechanism (6) comprises a blanking hole (62), and the blanking hole (62) is opened at the middle position of the upper surface of the working platform (4).

5. The test equipment for testing the flexural strength of the concrete specimen according to claim 4, wherein the aggregate mechanism (6) further comprises an aggregate bin (65), a pipeline (66) and an aggregate bin (67), the aggregate bin (67) is connected to the position, corresponding to the blanking hole (62), of the upper surface inside the base (1), the pipeline (66) is connected to the lower end of the aggregate bin (67), and the aggregate bin (65) is connected to one end of the pipeline (66).

6. The test equipment for testing the flexural strength of the concrete specimen according to the claim 5, characterized in that the aggregate mechanism (6) further comprises a filter screen plate (63) and a rotating wheel (64), and the filter screen plate (63) is connected to the position inside the base (1) close to the aggregate bin (65) through the rotating wheel (64).

7. The test device for determining the flexural strength of a concrete specimen according to claim 1, characterized in that the aggregate mechanism (6) further comprises a guide plate (61), and the guide plate (61) is connected below the inner side wall of the protective cover (55).