CN217276010U

CN217276010U - Intelligent concrete sample size measuring instrument

Info

Publication number: CN217276010U
Application number: CN202220391936.1U
Authority: CN
Inventors: 杨宝森; 程磊; 郝景辉; 车道平
Original assignee: Nanjing Yanhua Intelligent Technology Co ltd
Current assignee: Nanjing Yanhua Intelligent Technology Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-08-23
Anticipated expiration: 2032-02-25

Abstract

The utility model provides an intelligence concrete sample size measurement appearance belongs to concrete sample size measurement technical field, including the chassis, the top left side fixedly connected with center of chassis, the inboard bottom fixedly connected with of center seals the support bottom plate, the top fixedly connected with of center pushes up the frame, the displacement device is installed to the bottom of top frame, fixedly connected with cylinder one on the frame of top, cylinder one is connected with the displacement device, automatically controlled board is installed at the top of seal support bottom plate. The utility model provides a current measuring method have that intensity of labour is big, the measuring result error is big, work efficiency is low, with high costs shortcoming, manual measurement's test piece size and contained angle receive the more unscientific and accurate problem of human factor interference, the utility model discloses in, realized measuring test piece size and plane degree fast accurately, reduced the testing cost, reduced intensity of labour, improved experimental efficiency, improved scientific rigor.

Description

Intelligent concrete sample size measuring instrument

The technical field is as follows:

the utility model belongs to the technical field of concrete sample size measurement, concretely relates to intelligence concrete sample size measuring apparatu.

The background art comprises the following steps:

concrete is the first to bear pressure in a structure, so the compressive strength index is the most important strength index. The concrete compression strength is related to a plurality of elements such as composition materials, construction methods and the like, and is influenced by elements such as test piece size, loading method, loading speed and the like, so a standard strength measuring method and a corresponding strength evaluation standard are required.

Due to the influence of factors such as the size height, the flatness, the sectional area and the like of the test piece, the maximum force values for crushing the test piece are different, and the calculated compressive strength values are also different, so that the size and the included angle of the test piece need to be accurately measured.

At present, most quality inspection mechanisms adopt vernier calipers to measure the side length and height of a concrete test piece, the planeness of a pressure bearing surface of the test piece is measured by adopting a steel plate ruler and a feeler gauge, the steel plate ruler is vertically and transversely placed on the pressure bearing surface of the test piece during measurement, the feeler gauge is slowly rotated for 360 degrees, the maximum gap of the feeler gauge is measured to be used as a planeness value, and the included angle between adjacent surfaces of the test piece is measured by adopting a vernier protractor.

The utility model has the following contents:

the utility model provides an intelligence concrete test piece size measuring apparatu, its aim at have solved current measuring method and have that intensity of labour is big, the measuring result error is big, work efficiency is low, shortcoming, manual measurement's with high costs test piece size and contained angle receive the more scientific and accurate problem of human factor interference.

The utility model provides an intelligent concrete sample size measuring instrument, which comprises a bottom frame, wherein the top left side of the bottom frame is fixedly connected with a middle frame, the inner bottom of the middle frame is fixedly connected with a packing bottom plate, the top of the middle frame is fixedly connected with a top frame, the bottom of the top frame is provided with a displacement device, the top frame is fixedly connected with a first air cylinder, the first air cylinder is connected with the displacement device, the top of the packing bottom plate is provided with an electric control plate, a sample is placed on the top right side of the bottom frame, the top right side of the bottom frame is fixedly connected with a plurality of fixed blocks, the fixed blocks are all fixedly connected with two third sensors, the top wall on the right side of the bottom frame is fixedly connected with a connecting plate positioned below, the bottom of the connecting plate is fixedly connected with a plurality of second sensors, the bottom of the packing bottom plate is fixedly connected with an electromagnetic valve group positioned on the left side, the bottom of the seal support bottom plate is fixedly connected with an air filter positioned on the left side, and the top of the bottom frame is fixedly connected with a positioning device.

Further, the displacement device includes slide rail, movable plate, slider, backup pad and first sensor, the slide rail is provided with two, two the slide rail is all fixed in the bottom of frame, the slider is provided with four, four every two of slider are a set of, and each group's slider all with the slide rail sliding connection who corresponds, the bottom fixed connection of backup pad and slider, the flexible end of cylinder one and the top fixed connection of movable plate, the right side fixed connection of backup pad and movable plate, first sensor is provided with four and all with backup pad fixed connection.

Through adopting above-mentioned technical scheme, can control the removal of first sensor, can make first sensor remove the top of test piece when measuring, can make the top that the test piece was kept away from to first sensor when not measuring, make things convenient for the material loading and the unloading of test piece.

Furthermore, the positioning device comprises a second cylinder, a positioning block and a positioning plate, the second cylinder is fixedly connected with the top of the underframe, the positioning block is fixedly connected with the telescopic end of the second cylinder, and the positioning plate is fixedly connected with the top of the underframe.

By adopting the technical scheme, the test piece can be limited, so that the test piece is centered and convenient to measure.

Furthermore, the locating plate is a right-angled L-shaped plate, and a right-angled limiting opening is formed in the locating block.

Through adopting above-mentioned technical scheme, utilize locating plate and locating piece to restrict two relative corners of test piece.

Furthermore, the number of the second sensors is four, and four through holes corresponding to the positions of the second sensors are formed in the right side of the top of the bottom frame.

Through adopting above-mentioned technical scheme, utilize the perforation can make the laser beam contact test piece's of second sensor transmission bottom, make things convenient for the second sensor transmission and received signal.

Furthermore, the first sensor, the third sensor and the second sensor are all laser displacement sensors, the transmitting ends of the third sensors are located on the same horizontal plane and perpendicular to the test piece, the electromagnetic valve group is connected with the first cylinder, the transmitting ends of the first sensors are located on the same horizontal plane, and the transmitting ends of the second sensors are located on the same horizontal plane.

Through adopting above-mentioned technical scheme, first sensor, third sensor and second sensor are located same horizontal plane respectively, guarantee the measuring precision.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

1. the utility model discloses in, realized measuring test piece size and plane degree fast accurately, reduced test cost, reduced intensity of labour, improved experimental efficiency, improved scientific rigor.

2. The utility model discloses in, positioner be convenient for the test piece centering, avoid putting because of the test piece and just causing measurement accuracy inaccurate, improved measurement accuracy.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Description of the drawings:

the accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic bottom view of the present invention;

fig. 3 is a schematic top view of the present invention.

Reference numerals: 1. a chassis; 2. a third sensor; 3. a middle frame; 4. a top frame; 5. a displacement device; 501. a slide rail; 502. moving the plate; 503. a slider; 504. a support plate; 505. a first sensor; 6. a test piece; 7. a first cylinder; 8. an electric control board; 9. sealing and supporting the bottom plate; 10. a fixed block; 11. a connecting plate; 12. a second sensor; 13. an electromagnetic valve bank; 14. a positioning device; 1401. a second air cylinder; 1402. positioning blocks; 1403. positioning a plate; 15. an air filter.

The specific implementation mode is as follows:

in order to make the purpose, technical scheme and advantage of the technical scheme of the utility model clearer, will combine in the following the utility model discloses the drawing of concrete embodiment is right the technical scheme of the embodiment of the utility model carries out clear, complete description. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

As shown in FIGS. 1-3, the utility model provides an intelligent concrete sample size measuring instrument, which comprises a bottom frame 1, a middle frame 3 fixedly connected to the left side of the top of the bottom frame 1, a back plate 9 fixedly connected to the inner bottom of the middle frame 3, a top frame 4 fixedly connected to the top of the middle frame 3, a displacement device 5 mounted on the bottom of the top frame 4, a first cylinder 7 fixedly connected to the top frame 4, the first cylinder 7 connected to the displacement device 5, an electric control plate 8 mounted on the top of the back plate 9, a test sample 6 placed on the right side of the top of the bottom frame 1, a plurality of fixed blocks 10 fixedly connected to the right side of the top of the bottom frame 1, two third sensors 2 fixedly connected to the plurality of fixed blocks 10, a connecting plate 11 located below the top wall of the right side of the bottom frame 1, a plurality of second sensors 12 fixedly connected to the bottom of the connecting plate 11, an electromagnetic valve group 13 located on the left side fixedly connected to the bottom of the back plate 9, the bottom of the packing bottom plate 9 is fixedly connected with an air filter 15 positioned on the left side, and the top of the underframe 1 is fixedly connected with a positioning device 14.

The displacement device 5 comprises two sliding rails 501, a moving plate 502, four sliding blocks 503, a supporting plate 504 and a first sensor 505, the two sliding rails 501 are fixed at the bottom of the top frame 4, the four sliding blocks 503 are arranged, every two sliding blocks 503 form a group, each group of sliding blocks 503 are in sliding connection with the corresponding sliding rail 501, the supporting plate 504 is fixedly connected with the bottoms of the sliding blocks 503, the telescopic end of the first cylinder 7 is fixedly connected with the top of the moving plate 502, the supporting plate 504 is fixedly connected with the right side of the moving plate 502, the first sensor 505 is provided with four sliding blocks and is fixedly connected with the supporting plate 504, the movement of the first sensor can be controlled, the first sensor can be moved to the top of a test piece during measurement, the first sensor can be far away from the top of the test piece when not being measured, and the loading and unloading of the test piece are facilitated.

The positioning device 14 comprises a second cylinder 1401, a positioning block 1402 and a positioning plate 1403, the second cylinder 1401 is fixedly connected with the top of the bottom frame 1, the positioning block 1402 is fixedly connected with the telescopic end of the second cylinder 1401, and the positioning plate 1403 is fixedly connected with the top of the bottom frame 1, so that a test piece can be limited, the test piece can be centered, and measurement is convenient.

Locating plate 1403 is orthogonal "L" template, sets up the spacing mouth that has the right angle on locating piece 1402, utilizes locating plate and locating piece to restrict two relative corners of test piece.

The second sensor 12 is provided with four, and four perforation that correspond with second sensor 12 position are seted up on the top right side of chassis 1, utilize the perforation to make the bottom of the laser beam contact test piece of second sensor transmission, make things convenient for the second sensor transmission and received signal.

The first sensor 505, the third sensor 2 and the second sensor 12 are laser displacement sensors, the transmitting ends of the third sensors 2 are located on the same horizontal plane and perpendicular to the test piece 6, the electromagnetic valve group 13 is connected with the first cylinder 7, the transmitting ends of the first sensors 505 are located on the same horizontal plane, the transmitting ends of the second sensors 12 are located on the same horizontal plane, and the first sensor, the third sensor and the second sensor are located on the same horizontal plane respectively, so that the measuring accuracy is guaranteed.

The implementation mode is specifically as follows: before test detection, the no-load distances of the third sensors 2 on the left side and the right side are measured, the no-load distances are distances between the third sensors 16 on the left side and the right side before a test piece 6 is placed, laser beams emitted by emitting ends of the third sensors 2, the first sensors 505 and the second sensors 12 are reflected by the end surface of the test piece 6 and then are received by a reflecting receiving end, so as to detect the distances between the third sensors 2, the first sensors 505, the second sensors 12 and the end surface of the test piece 6, the distances between the left pair of third sensors 2 and the test piece 6 and the distances between the left pair of third sensors 2 and the right pair of third sensors 12 and the test piece 6 are measured as load distances respectively, the length of the side of the test piece 6 is obtained by subtracting the load distances from the no-load distances, the length of the side is calculated as the length of the average value of the side of the test piece 6, and the measuring principles of the front pair of third sensors 2, the first sensors 505 and the second sensors 12 are the same;

placing a test piece 6 on the top of the underframe 1, enabling one corner of the test piece 6 to be in contact with the right angle of the positioning plate 1403, starting the second air cylinder 1401, enabling the telescopic end of the second air cylinder 1401 to drive the positioning block 1402 to move to enable the limiting port to be in contact with the corner, opposite to the right angle of the positioning plate 1403, of the test piece 6, extruding the test piece 6 to enable the test piece 6 to be centered, facilitating measurement, then starting the first air cylinder 7 to drive the moving plate 502 to move so that the supporting plate 504 and the first sensor 505 slide to the top of the test piece 6, and matching with the third sensor 2 and the second sensor 12 to measure the test piece 6;

the first sensor 505, the second sensor 12 and the third sensor 2 measure the load distance for multiple times, three points determine a plane, at least 4 groups of planeness can be measured each time, and the arithmetic mean value of 4 groups of planeness is the planeness value of the time each time; taking the arithmetic mean value of the cubic flatness values as the flatness value of the surface; when one of the maximum value or the minimum value is different from the middle value by more than 15 percent, the maximum value or the minimum value is removed, and the other two arithmetic mean values are taken as the planeness value of the surface; if the flatness values are larger than 15% of the intermediate value, the flatness value of the surface is invalid, small bubbles and small pits on the surface of the test piece can be eliminated through calculation, the measurement accuracy is improved, after the test piece 6 is detected, a concrete compression test is carried out on the test piece with a qualified size, and a sample box with an unqualified size is put into the sample box with an unqualified size.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Intelligent concrete test piece size measuring instrument comprises an underframe (1) and is characterized in that a middle frame (3) is fixedly connected to the left side of the top of the underframe (1), a seal support bottom plate (9) is fixedly connected to the bottom of the inner side of the middle frame (3), a top frame (4) is fixedly connected to the top of the middle frame (3), a displacement device (5) is installed at the bottom of the top frame (4), a first cylinder (7) is fixedly connected to the top frame (4), the first cylinder (7) is connected with the displacement device (5), an electric control plate (8) is installed at the top of the seal support bottom plate (9), a test piece (6) is placed on the right side of the top of the underframe (1), a plurality of fixing blocks (10) are fixedly connected to the right side of the top of the underframe (1), two third sensors (2) are fixedly connected to the fixing blocks (10), and a connecting plate (11) located below the top wall of the right side of the underframe (1), the bottom fixedly connected with a plurality of second sensor (12) of connecting plate (11), the bottom fixedly connected with of packing plate (9) is located left electromagnetism valves (13), the bottom fixedly connected with of packing plate (9) is located left air cleaner (15), the top fixedly connected with positioner (14) of chassis (1).

2. The intelligent concrete test piece dimension measuring instrument according to claim 1, characterized in that: displacement device (5) includes slide rail (501), movable plate (502), slider (503), backup pad (504) and first sensor (505), slide rail (501) are provided with two, two slide rail (501) are all fixed in the bottom of top frame (4), slider (503) are provided with four, four every two of slider (503) are a set of, and every slider (503) of organizing all with corresponding slide rail (501) sliding connection, the bottom fixed connection of backup pad (504) and slider (503), the flexible end of cylinder (7) and the top fixed connection of movable plate (502), the right side fixed connection of backup pad (504) and movable plate (502), first sensor (505) are provided with four and all with backup pad (504) fixed connection.

3. The intelligent concrete test piece dimension measuring instrument according to claim 1, characterized in that: the positioning device (14) comprises a second cylinder (1401), a positioning block (1402) and a positioning plate (1403), the second cylinder (1401) is fixedly connected with the top of the bottom frame (1), the positioning block (1402) is fixedly connected with the telescopic end of the second cylinder (1401), and the positioning plate (1403) is fixedly connected with the top of the bottom frame (1).

4. The intelligent concrete test piece dimension measuring instrument according to claim 3, characterized in that: locating plate (1403) is the "L" template of right angle, set up the spacing mouth that has the right angle on locating piece (1402).

5. The intelligent concrete test piece dimension measuring instrument according to claim 1, characterized in that: the number of the second sensors (12) is four, and four through holes corresponding to the positions of the second sensors (12) are formed in the right side of the top of the bottom frame (1).

6. The intelligent concrete test piece size measuring instrument according to claim 2, characterized in that: the laser displacement sensor is characterized in that the first sensor (505), the third sensor (2) and the second sensor (12) are laser displacement sensors, the transmitting ends of the third sensor (2) are located on the same horizontal plane and perpendicular to the test piece (6), the solenoid valve group (13) is connected with the first cylinder (7), the transmitting ends of the first sensor (505) are located on the same horizontal plane, and the transmitting ends of the second sensor (12) are located on the same horizontal plane.