Rapid detector for gas content of concrete

Abstract

The utility model discloses a concrete gas content rapid detector, which comprises a measuring bowl and a bowl cover, the side wall of the measuring bowl is symmetrically and fixedly connected with two mounting seats, the two mounting seats are respectively provided with a hydraulic cylinder, the top ends of the two hydraulic cylinders are respectively and fixedly connected with a U-shaped seat, the bottom end of the bowl cover is fixedly connected with a plurality of limiting blocks, and the limiting blocks are fixedly connected with the bowl cover. The side ends of the multiple limiting blocks make contact with the outer side wall of the measuring bowl, the bottom ends of every two symmetrical limiting blocks are fixedly connected with L-shaped bases matched with the U-shaped bases, the measuring bowl is symmetrically and fixedly connected with two first rotating shafts, the two first rotating shafts are rotationally connected with supporting bases, the bottom ends of the two supporting bases are fixedly connected with a base, and the base is fixedly connected with the measuring bowl. The bowl cover can be conveniently and rapidly installed on the measuring bowl, the bowl cover dismounting and mounting process is simple and rapid, the concrete gas content can be conveniently and rapidly detected, and the concrete gas content detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete air content detection technical field, more specifically, it relates to a concrete air content rapid detection instrument. BACKGROUND

[0002] The concrete air content measuring instrument is used for measuring the air content in the mixture, and the concrete can be divided into two components, namely coarse aggregate and mortar. The size of the coarse aggregate particle size has little direct influence on the air content, and the introduced bubbles are distributed in the fine particles of the concrete, namely the mortar, and determine the performance of the whole concrete by affecting the performance of the mortar. The concrete air content measuring instrument mainly comprises a measuring bowl, a bowl cover, a small faucet connected between the bowl cover and the lower part, an air outlet valve for air exhaust, a valve rod for controlling the opening and closing of the valve, a fine adjustment valve for adjusting the air pressure, a pressure gauge for measuring the air pressure, an air chamber and a pump for inflating the air chamber.

[0003] The existing concrete air content rapid detection instrument needs to cover the measuring bowl with the bowl cover during detection. The bowl cover is fixedly connected with the measuring bowl through a plurality of bolts. During the disassembly and assembly of the bowl cover, the worker needs to unscrew or screw the plurality of bolts. The process of disassembly and assembly of the bowl cover is complicated and slow, which is not convenient for rapid detection of the concrete air content, affects the detection efficiency of the concrete air content, and after the detection of the concrete air content is completed, the concrete in the measuring bowl needs to be cleaned out. Since the concrete air content detection needs a certain time, part of the concrete is adhered to the inner wall of the measuring bowl, which is not convenient to clean, needs to waste a lot of water resources for flushing, and the cleaning difficulty is large, and water resources are wasted. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the problems in the prior art, the utility model provides a concrete air content rapid detection instrument to solve the technical problem that the process of disassembly and assembly of the bowl cover is complicated and slow, which is not convenient for rapid detection of the concrete air content and affects the detection efficiency of the concrete air content.

[0006] (II) Technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a kind of concrete air content rapid detector, including measuring bowl and bowl cover, the lateral wall of the measuring bowl is fixedly connected with two mounting seats symmetrically, two hydraulic cylinders are installed on the two mounting seats, the top of two hydraulic cylinders is fixedly connected with U-shaped seat, the bottom of the bowl cover is fixedly connected with multiple limit blocks, the side end of multiple limit blocks is in contact with the outside wall of measuring bowl, the bottom of the limit block of symmetry is fixedly connected with L-shaped seat matched with U-shaped seat, the measuring bowl is fixedly connected with two first rotating shafts symmetrically, two first rotating shafts are rotatably connected with support seat, the bottom of two support seats is fixedly connected with base, first motor is installed on one support seat, and the output end of first motor is fixedly connected with corresponding first rotating shaft, and fixed mechanism is provided on the other support seat, bowl cover is quickly installed on measuring bowl, bowl cover is disassembled, process is simple and relatively fast, and concrete air content is quickly detected, and the efficiency of concrete air content detection is improved.

[0008] The utility model further sets up, the bottom of the measuring bowl is installed four first electric cylinders, the bottom of four first electric cylinders is fixedly connected with fixed plate, and second motor is installed on fixed plate, and the output end of second motor is connected with second rotating shaft, the bottom of the measuring bowl is provided with circular groove, and second rotating shaft and circular groove are sealingly rotatable sliding fit, and the outside wall of the inside part of second rotating shaft in measuring bowl is connected with multiple scrapers by multiple connecting plates, and the outside wall of multiple scrapers is in contact with the inside wall of measuring bowl, so that the concrete on the inner wall of measuring bowl is scraped off, and the concrete on the inner wall of measuring bowl is cleaned.

[0009] The utility model further sets up, the inside bottom of the measuring bowl is provided with tapered groove in position corresponding with circular groove, the outside of second rotating shaft is fixedly provided with tapered seat matched with tapered groove, the bottom of tapered seat is fixedly connected with first sealing gasket, and the sealing property between second rotating shaft and circular groove is improved.

[0010] The utility model further sets up, and the bottom of the connecting plate of downside is fixedly connected with scraper blade, and the concrete on the inside bottom of measuring bowl is scraped off.

[0011] The utility model further sets up, and the fixed mechanism includes second electric cylinder, and the side end of the first rotating shaft away from the side of first motor is fixedly connected with rotating plate, and multiple fixed slots are arranged in circular array on the support seat corresponding with second electric cylinder, and fixed column matched with fixed slot is fixedly connected on second electric cylinder, so as to fix rotating shaft and measuring bowl.

[0012] The utility model further sets up, and second sealing gasket is arranged between the bottom of bowl cover and measuring bowl, so as to guarantee the sealing property of the connection between bowl cover and measuring bowl.

[0013] The utility model further sets up, be provided with ring groove on the circular groove, the inside of ring groove is provided with the sealing ring, the sealing ring is equipped with in the outside of second rotating shaft, guarantee the sealing between second rotating shaft and circular groove.

[0014] The utility model further sets up, the diameter of fixed column is less than the diameter of second electric cylinder telescopic rod, convenient for moving fixed column to the outside of fixed groove.

[0015] (Three) beneficial effect

[0016] Compared with prior art, the utility model provides a kind of concrete air content rapid detector, with following beneficial effects:

[0017] 1, cover the bowl cover on the bowl, and rotate bowl cover, make two L type seats respectively turn to with the inside of two U type seats, then move U type seat down by hydraulic cylinder, move L type seat, limit block and bowl cover down by U type seat, so that bowl cover is tightly covered on bowl, compared with bolt in prior art, the process of dismounting bowl cover is simple and relatively fast, it is convenient to carry out rapid detection to concrete air content, improve the efficiency of concrete air content detection.

[0018] 2, when needing to take out concrete from the inside of bowl, rotate first rotating shaft and bowl by first motor, so that the port of bowl is rotated to the position of downward inclination, then start second motor, rotate second rotating shaft, multiple connecting plates and multiple scrapers by second motor, clean concrete on the inner wall of bowl by scraper, it is convenient to flush the inner wall of bowl, to a certain extent, save the water source of bowl flushing, avoid a large amount of water waste.

[0019] 3, when detecting concrete air content, move fixed plate, second motor, second rotating shaft and conical seat by multiple first electric cylinders, and make conical seat insert into the inside of conical groove, and make first sealing gasket and the side wall of conical groove abut tightly, guarantee the sealing property of the connection between second rotating shaft and bowl, guarantee the accuracy of concrete air content detection. DRAWINGS

[0020] Figure 1 It is the front structure schematic drawing of a kind of concrete air content rapid detector in the utility model;

[0021] Figure 2 It is the bottom structure schematic drawing of a kind of concrete air content rapid detector in the utility model;

[0022] Figure 3 It is the structure schematic drawing of the connection of rotating plate, second electric cylinder and fixed column in the utility model;

[0023] Figure 4The structure schematic view of the structure connection of the second motor, the second rotating shaft, the plurality of connecting plates and the plurality of scrapers in the utility model.

[0024] Figure 5 The structure schematic view of the plan view of the measuring bowl in the utility model.

[0025] Figure 6 The structure schematic view of the bottom view of the measuring bowl in the utility model.

[0026] In the figure: 1, measuring bowl; 2, bowl cover; 3, mounting seat; 4, hydraulic cylinder; 5, U-shaped seat; 6, limiting block; 7, L-shaped seat; 8, first rotating shaft; 9, support seat; 10, base; 11, first motor; 12, first electric cylinder; 13, fixed plate; 14, second motor; 15, second rotating shaft; 16, circular groove; 17, connecting plate; 18, scraper; 19, conical groove; 20, conical seat; 21, first sealing gasket; 22, scraper; 23, second electric cylinder; 24, rotating plate; 25, fixed groove; 26, fixed column; 27, second sealing gasket; 28, ring groove; 29, sealing ring. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments and the features in the embodiments in the present application can be combined with each other without conflict.

[0028] It should be noted that, unless otherwise specified, all the technical and scientific terms used in the present application have the same meaning as that generally understood by the ordinary skilled person in the technical field to which the present application belongs.

[0029] In the present application, unless otherwise specified, the directions such as "up, down" are generally directed to the directions shown in the drawings, or are directed to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally directed to the left and right shown in the drawings; "inner, outer" refer to the inner and outer relative to the contour of each component itself, but the above direction words are not used to limit the present application.

[0030] Please refer to Figures 1-6The utility model provides a kind of concrete air content rapid detector, including measuring bowl 1 and bowl cover 2, two mounting seats 3 are fixedly connected symmetrically on the lateral wall of measuring bowl 1, two hydraulic cylinders 4 are installed on two mounting seats 3, the top of two hydraulic cylinders 4 is fixedly connected with U-shaped seat 5, the bottom of bowl cover 2 is fixedly connected with multiple limit blocks 6, the side end of multiple limit blocks 6 is in contact with the outside wall of measuring bowl 1, the bottom of symmetric two limit blocks 6 is fixedly connected with L-shaped seat 7 matched with U-shaped seat 5, second sealing pad 27 is arranged between the bottom of bowl cover 2 and measuring bowl 1, guarantee the sealing property of the connection between bowl cover 2 and measuring bowl 1, two first rotation shafts 8 are fixedly connected symmetrically on measuring bowl 1, two first rotation shafts 8 are rotatably connected with support seat 9, the bottom of two support seats 9 is fixedly connected with base 10, first motor 11 is installed on one support seat 9, and the output of first motor 11 is fixedly connected with corresponding first rotation shaft 8, and fixed mechanism is provided on another support seat 9.

[0031] Specifically, bowl cover 2 is covered on measuring bowl 1, and bowl cover 2 is rotated, so that two L-shaped seats 7 are rotated to the inner side of two U-shaped seats 5 respectively, then U-shaped seat 5 is pulled down by hydraulic cylinder 4, L-shaped seat 7, limit block 6 and bowl cover 2 are pulled down by U-shaped seat 5, so that bowl cover 2 is tightly covered on measuring bowl 1, compared with bolt in the prior art, the process of disassembling and assembling bowl cover 2 is simple and fast, which facilitates the rapid detection of concrete air content and improves the efficiency of concrete air content detection, and first motor 11 drives first rotation shaft 8 and measuring bowl 1 to rotate, which facilitates the adjustment of the direction of measuring bowl 1 port.

[0032] Please refer to Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 And Figure 6The bottom end of the measuring bowl 1 is provided with four first electric cylinders 12, the bottom end of the four first electric cylinders 12 is fixedly connected with a fixed plate 13, the fixed plate 13 is provided with a second motor 14, the output end of the second motor 14 is connected with a second rotating shaft 15, the bottom end of the measuring bowl 1 is provided with a circular groove 16, the second rotating shaft 15 is in sealing rotating and sliding fit with the circular groove 16, the circular groove 16 is provided with an annular groove 28, the inside of the annular groove 28 is provided with a sealing ring 29, the sealing ring 29 is sleeved outside the second rotating shaft 15, so as to ensure the sealing between the second rotating shaft 15 and the circular groove 16, the second rotating shaft 15 is connected with a plurality of scrapers 18 through a plurality of connecting plates 17 on the outside wall of the inside part of the measuring bowl 1, the outside wall of the plurality of scrapers 18 is in contact with the inside wall of the measuring bowl 1, the inside bottom end of the measuring bowl 1 is provided with a conical groove 19 at the position corresponding to the circular groove 16, a conical seat 20 matched with the conical groove 19 is fixedly sleeved outside the second rotating shaft 15, the bottom end of the conical seat 20 is fixedly connected with a first sealing gasket 21, so as to improve the sealing between the second rotating shaft 15 and the circular groove 16, the bottom end of the connecting plate 17 on the lower side is fixedly connected with a scraper 22, so as to facilitate scraping the concrete on the inside bottom end of the measuring bowl 1.

[0033] Specifically, when the concrete needs to be taken out from the inside of the measuring bowl 1, the first motor 11 drives the first rotating shaft 8 and the measuring bowl 1 to rotate, so that the port of the measuring bowl 1 is rotated to a position inclined downward, then the second motor 14 is started, the second motor 14 drives the second rotating shaft 15, the plurality of connecting plates 17 and the plurality of scrapers 18 to rotate, the concrete on the inner wall of the measuring bowl 1 is cleaned by the scrapers 18, so as to facilitate the people to flush the inner wall of the measuring bowl 1, to a certain extent, the water source for flushing the measuring bowl 1 is saved, and a large amount of water source is avoided from being wasted, when the air content of the concrete is detected, the plurality of first electric cylinders 12 drives the fixed plate 13, the second motor 14, the second rotating shaft 15 and the conical seat 20 to move, the conical seat 20 is inserted into the inside of the conical groove 19, and the first sealing gasket 21 is tightly abutted with the side wall of the conical groove 19, so as to ensure the sealing between the second rotating shaft 15 and the measuring bowl 1, and to ensure the accuracy of the detection of the air content of the concrete.

[0034] Please refer to Figure 2 and Figure 3 The fixing mechanism comprises a second electric cylinder 23, the side end of the first rotating shaft 8 away from the first motor 11 is fixedly connected with a rotating plate 24, a plurality of fixed grooves 25 are arranged in a circular array on the support seat 9 corresponding to the second electric cylinder 23, a fixed column 26 matched with the fixed groove 25 is fixedly connected on the second electric cylinder 23, the diameter of the fixed column 26 is smaller than the diameter of the telescopic rod of the second electric cylinder 23, so as to facilitate the fixed column 26 to move to the outside of the fixed groove 25.

[0035] Specifically, the fixed column 26 is moved by the second electric cylinder 23 to be inserted into the corresponding fixed slot 25, so as to facilitate the fixation of the rotating plate 24, the first rotating shaft 8 and the measuring bowl 1.

[0036] In summary, the overall device has the following advantages when in use:

[0037] The first rotating shaft 8 and the measuring bowl 1 are rotated by the first motor 11, so that the port of the measuring bowl 1 faces upward, and then the fixed column 26 is pushed into the corresponding fixed slot 25 by the second electric cylinder 23 to fix the measuring bowl 1. Then, the fixed plate 13, the first rotating shaft 8 and the conical seat 20 are pulled downward by the four first electric cylinders 12, so that the conical seat 20 is inserted into the conical groove and the first sealing gasket 21 is compressed. At this time, the wiper 22 is bent to a certain extent under the action of the pressure, but it will not break. Then, the concrete to be detected for air content is placed in the measuring bowl 1, and then the bowl cover 2 is placed on the measuring bowl 1, and the two L-shaped seats 7 are rotated to the inner side of the two U-shaped seats 5, respectively. Then, the U-shaped seat 5 is pulled downward by the hydraulic cylinder 4, and the L-shaped seat 7, the limiting block 6 and the bowl cover 2 are pulled downward by the U-shaped seat 5, so that the bowl cover 2 is tightly covered on the measuring bowl 1. Then, the corresponding detection can be carried out.

[0038] After the detection of the air content of the concrete is completed, the air in the measuring bowl 1 is discharged, and then the U-shaped seat 5 is pushed upward by the hydraulic cylinder 4, so that the side end of the U-shaped seat 5 is separated from the side end of the L-shaped seat 7. Then, the bowl cover 2 is removed, and then the fixed column 26 is pulled by the second electric cylinder 23 to move away from the fixed slot 25. Then, the first rotating shaft 8 and the measuring bowl 1 are rotated by the first motor 11, so that the port of the measuring bowl 1 is rotated in a slightly downward direction. Then, the fixed column 26 is pushed by the second electric cylinder 23 to move into the corresponding fixed slot 25, and the concrete in the measuring bowl 1 slides through the port of the measuring bowl 1 and falls into the interior of the concrete collecting device below. At the same time, the fixed plate 13, the second rotating shaft 15 and the conical seat 20 are pulled by the four first electric cylinders 12, so that the first sealing gasket 21 is slightly separated from the side wall of the conical groove 19. At this time, the wiper 22 is straightened, and the side end of the wiper 22 still contacts the bottom end in the measuring bowl 1. Then, the second rotating shaft 15, the plurality of connecting plates 17 and the plurality of scraping plates 18 are rotated by the second motor 14, and the concrete on the measuring bowl 1 is cleaned by the plurality of scraping plates 18 and the wiper 22. At the same time, the concrete is stirred, so as to facilitate the rapid discharge of the concrete from the interior of the measuring bowl 1. Then, the interior of the measuring bowl 1 is washed with water to clean the concrete in the measuring bowl 1.

[0039] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rapid detector for air content in concrete, comprising a measuring bowl (1) and a bowl cover (2), characterized in that: Two mounting seats (3) are symmetrically fixedly connected to the side wall of the measuring bowl (1), and hydraulic cylinders (4) are installed on the two mounting seats (3). The top ends of the two hydraulic cylinders (4) are fixedly connected to U-shaped seats (5). The bottom end of the bowl cover (2) is fixedly connected to a plurality of limit blocks (6), and the side ends of the plurality of limit blocks (6) are in contact with the outer wall of the measuring bowl (1). The bottom ends of the two symmetrical limit blocks (6) are fixedly connected to an L-shaped seat (7) that matches the U-shaped seat (5). Two first rotating shafts (8) are symmetrically fixedly connected to the measuring bowl (1), and the two first rotating shafts (8) are rotatably connected to support seats (9). The bottom ends of the two support seats (9) are fixedly connected to a base (10). A first motor (11) is installed on one of the support seats (9), and the output end of the first motor (11) is fixedly connected to the corresponding first rotating shaft (8). A fixing mechanism is provided on the other support seat (9).

2. A rapid detector for air content in concrete according to claim 1, characterized in that: Four first electric cylinders (12) are installed at the bottom end of the measuring bowl (1), and the bottom ends of the four first electric cylinders (12) are fixedly connected to a fixing plate (13). A second motor (14) is installed on the fixing plate (13), and the output end of the second motor (14) is connected to a second rotating shaft (15). A circular groove (16) is provided at the bottom end of the measuring bowl (1), and the second rotating shaft (15) and the circular groove (16) are sealed and rotated and slidably matched. The second rotating shaft (15) is located on the outer wall of the inner part of the measuring bowl (1) and is connected to a plurality of scrapers (18) through a plurality of connecting plates (17). The outer walls of the plurality of scrapers (18) are in contact with the inner wall of the measuring bowl (1).

3. A rapid detector for air content in concrete according to claim 2, characterized in that: A conical groove (19) is provided at a position of the inner bottom end of the measuring bowl (1) corresponding to the circular groove (16); an outer fixed sleeve of the second rotating shaft (15) is provided with a conical seat (20) adapted to the conical groove (19); and a first sealing gasket (21) is fixedly connected to the bottom end of the conical seat (20).

4. A rapid detector for air content in concrete according to claim 2, characterized in that: The bottom end of the connecting plate (17) located on the lower side is fixedly connected with a scraper (22) in an inclined manner.

5. The rapid detector for air content in concrete according to claim 1 is characterized in that: The fixing mechanism includes a second electric cylinder (23), a rotating plate (24) fixedly connected to the side end of the first rotating shaft (8) away from the first motor (11), the second electric cylinder (23) is mounted on the rotating plate (24), a plurality of fixing grooves (25) are arranged in a circular array on a support seat (9) corresponding to the second electric cylinder (23), and a fixing column (26) adapted to the fixing groove (25) is fixedly connected to the second electric cylinder (23).

6. The rapid detector for air content in concrete according to claim 1, characterized in that: A second sealing gasket (27) is provided between the bottom end of the bowl cover (2) and the measuring bowl (1).

7. The rapid detector for air content in concrete according to claim 2, characterized in that: The circular groove (16) is provided with an annular groove (28), the interior of the annular groove (28) is provided with a sealing ring (29), and the sealing ring (29) is sleeved on the exterior of the second rotating shaft (15).

8. The rapid detector for air content in concrete according to claim 5, characterized in that: The diameter of the fixing column (26) is smaller than the diameter of the telescopic rod of the second electric cylinder (23).

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