CN213749490U

CN213749490U - Concrete penetration resistance detection equipment

Info

Publication number: CN213749490U
Application number: CN202022765685.2U
Authority: CN
Inventors: 庞国琴; 张国宾; 刘海光
Original assignee: Beijing Xinjiangfeng Building Materials Co ltd
Current assignee: Beijing Xinjiangfeng Building Materials Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-20
Anticipated expiration: 2030-11-25

Abstract

The application relates to a concrete penetration resistance detection device, which belongs to the technical field of concrete quality detection and comprises a measurement base, a support, a pressure gauge, a testing device and a sample cylinder, wherein the support is fixed on the measurement base; the measuring base is rotatably connected with a rotating disc, and an adjusting mechanism for driving the rotating disc to rotate is arranged in the measuring base; the sample cylinders are arranged on the rotating disk at intervals along the circumferential direction of the rotating disk. This application is through placing a plurality of sample barrels on the rotary disk and drive the rotary disk and rotate for can detect the penetration resistance of a plurality of samples in succession, thereby improved the efficiency that the sample detected.

Description

Concrete penetration resistance detection equipment

Technical Field

The application relates to the field of concrete quality detection, in particular to a concrete penetration resistance detection device.

Background

Concrete set time is an extremely important parameter of concrete, and it is extremely common to determine concrete set time, whether in scientific research or in engineering practice. The initial setting time of concrete is considered to be a time when the plasticity of the concrete is lost but the mechanical strength is not obtained, the final setting time is considered to be a time when the plasticity of the concrete is lost and the mechanical strength is obtained, and the initial setting time and the final setting time of the concrete are very important for concrete construction.

In concrete engineering, the setting time of concrete mixtures is generally determined according to the penetration resistance method specified in GB/T50080-2002 Standard for Performance test methods of ordinary concrete mixtures. The setting time measurement is timed from the moment the cement is in contact with water. According to the performance of the concrete mixture, the testing time of the measuring needle is determined, the testing is carried out once every 0.5h, and the measuring times can be increased when the initial setting and the final setting are close.

During testing, the mortar sample cylinder is placed on a penetration resistance instrument, the end part of the measuring pin is contacted with the surface of the mortar, then the measuring pin is uniformly penetrated into the mortar within 10 +/-2 s for 25 +/-2 mm of depth, and the penetration pressure is recorded. The setting time was determined by computer graphic fitting, and was the initial setting time when the penetration resistance was 3.5MPa and the final setting time when the penetration resistance was 28.0 MPa. The prior Chinese utility model with the publication number of CN211576871U discloses a concrete penetration resistance instrument, which comprises a base and a bracket vertically arranged on the base; a support rod horizontally mounted on the bracket; and install the testing arrangement who keeps away from one side of support at the bracing piece, the mounting bracket is installed to the bilateral symmetry on the bracing piece horizontal direction, install symmetrical spout along the orientation that the bracing piece extends to the mounting bracket, the slider is installed in the spout cunning, be connected with between two sliders and pass through the needle and hold in the palm, pass through and have seted up the needle hole on holding in the palm, pass through and be fixed with through the needle through the elastic component on the needle hole, install on the support and be used for driving to pass through the needle and hold in the palm the drive assembly who slides along the horizontal direction, install the locking piece that is used for locking drive assembly on the bracing piece.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when a plurality of samples are detected, the samples can be taken down and put on another sample for testing only in sequence after one sample is tested until the test is finished.

SUMMERY OF THE UTILITY MODEL

In order to improve the detection efficiency of concrete penetration resistance, detect a plurality of samples in succession, this application provides a concrete penetration resistance check out test set.

The application provides a concrete penetration resistance check out test set adopts following technical scheme:

the concrete penetration resistance detection equipment comprises a measurement base, a support, a pressure gauge, a testing device and a sample cylinder, wherein the support is fixed on the measurement base, the pressure gauge is positioned at the top end of the support, and the testing device is fixed on the support and vertically opposite to the measurement base; the measuring base is rotatably connected with a rotating disc, and an adjusting mechanism for driving the rotating disc to rotate is arranged in the measuring base; the sample cylinders are arranged on the rotating disk and are arranged at intervals along the circumferential direction of the rotating disk.

Through adopting above-mentioned technical scheme, set up the rotary disk that can rotate on measuring the base and place a plurality of sample barrels on the rotary disk, utilize adjustment mechanism to rotate the rotary disk to can detect the penetration resistance of a plurality of samples in succession, accelerated the efficiency that the sample detected.

Preferably, the top surface of the measuring base is provided with a placing groove, and the rotating disc is positioned in the placing groove and matched with the placing groove.

Through adopting above-mentioned technical scheme, make the top surface of measuring the base keep leveling to the rotary disk is located the stability that can ensure the rotary disk in the standing groove.

Preferably, the top surface of the rotating disc is provided with a groove, and the sample tube is positioned in the groove.

Through adopting above-mentioned technical scheme, be convenient for place the sample section of thick bamboo for the sample section of thick bamboo can place accurate position, and the sample section of thick bamboo slides when can avoiding rotating the rotary disk simultaneously.

Preferably, the bottom surface of the sample tube is provided with a limiting groove, and a limiting block matched with the limiting groove is fixed at the bottom of the groove.

Through adopting above-mentioned technical scheme, guaranteed the stability of sample section of thick bamboo, sample section of thick bamboo takes place relative rotation when avoiding rotating the rotary disk.

Preferably, the limiting groove is cross-shaped.

Through adopting above-mentioned technical scheme, conveniently insert the locating piece in the constant head tank to can guarantee the stability of sample section of thick bamboo.

Preferably, three sample cartridges are provided.

Through adopting above-mentioned technical scheme, can make and carry out the penetration resistance to three samples in succession and detect.

Preferably, the adjusting mechanism comprises a rotating shaft positioned in the measuring base, the rotating shaft is coaxial with the rotating disc, the top end of the rotating shaft penetrates through the measuring base and is fixedly connected with the rotating disc, the rotating shaft is supported by a second supporting plate fixed in the measuring base, and the rotating shaft is rotatably connected with the second supporting plate; the rotating shaft is driven by a driving assembly arranged in the measuring base.

Through adopting above-mentioned technical scheme, the drive axis of rotation, the axis of rotation drives rather than fixed connection's rotary disk and rotates to realize the change of sample section of thick bamboo position, realize utilizing testing arrangement to the detection of different samples.

Preferably, the driving assembly comprises a worm wheel which is coaxial with the rotating shaft and is fixedly connected with the rotating shaft, and the worm wheel is driven by a worm meshed with the worm wheel; one axial end of the worm extends out of the measuring base, and the worm is supported by a first supporting plate fixed in the measuring base.

Through adopting above-mentioned technical scheme, utilize the cooperation of worm wheel and worm, at the outside control worm of measuring the base, and then the drive rotates with its meshed worm wheel to drive the synchronous rotation of axis of rotation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rotary disc which is rotationally connected with the measuring base is arranged on the measuring base, the plurality of sample cylinders are arranged on the rotary disc, and the rotary disc is rotated by utilizing the adjusting structure so as to change the positions of different sample cylinders, so that the continuous penetration resistance detection of a plurality of samples is realized;

2. through setting up the recess on the rotary disk, place the sample section of thick bamboo in the recess, can place the accurate position on the rotary disk with the sample section of thick bamboo fast, the testing arrangement of being convenient for carries out the penetration resistance to the sample and detects.

Drawings

FIG. 1 is a schematic view showing the overall structure of a concrete penetration resistance detecting apparatus according to the present application.

Fig. 2 is an exploded view of a measuring base and a rotating disk of the concrete penetration resistance detecting apparatus of the present application.

Fig. 3 is a schematic structural view of a sample cartridge of the concrete penetration resistance detecting apparatus of the present application.

FIG. 4 is a schematic structural view of an adjusting mechanism of the concrete penetration resistance detecting apparatus of the present application.

Description of reference numerals: 1. a measuring base; 11. a placement groove; 2. a support; 3. a pressure gauge; 4. a testing device; 5. rotating the disc; 51. a groove; 52. a limiting block; 6. a sample cartridge; 61. a limiting groove; 7. an adjustment mechanism; 71. a rotating shaft; 72. a worm gear; 73. a worm; 74. a first support plate; 75. a second support plate; 76. a handwheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses concrete penetration resistance detection equipment. Referring to fig. 1 and 2, the concrete penetration resistance detecting apparatus includes a measuring base 1, a support 2 fixed on the measuring base 1, a pressure gauge 3 positioned at the top end of the support 2, and a testing device 4 fixed on the support 2. The test device 4 is vertically opposite to the measuring base 1.

The top surface of the measuring base 1 is provided with a circular placing groove 11, and a rotating disc 5 which is coaxial with and matched with the placing groove 11 is arranged in the placing groove 11. For a better rotation of the rotary disc 5, grooves are made both on the side of the rotary disc 5 and on the walls of the groove 11 and balls are placed in the grooves.

The top surface of the rotating disc 5 is provided with a circular groove 51. A sample cartridge 6 matching the groove 51 is placed in the groove 51. The grooves 51 are provided in three and are evenly distributed in the circumferential direction of the rotating disk 5 in this embodiment.

Referring to fig. 2 and 3, a cross-shaped limiting groove 61 is formed in the bottom surface of the sample tube 6, and a limiting block 52 opposite to and matching with the limiting groove 61 is fixedly arranged at the bottom of the groove 51. The sample cylinder 6 is placed in the groove 51, and the limiting block 52 is inserted into the limiting groove 61, so that the sample cylinder 6 is prevented from rotating when the concrete penetration resistance test is performed.

Referring to fig. 2 and 4, an adjusting mechanism 7 for driving the rotating disk 5 to rotate is arranged in the measuring base 1. Other mechanisms in the measuring base 1 are not shown in the figure, and the setting of the adjusting mechanism 7 does not affect other mechanisms in the measuring base 1, so that the normal operation of concrete penetration resistance detection is ensured. The adjusting mechanism 7 comprises a rotary shaft 71 located within the measuring base 1 and coaxial with the rotary disk 5. The rotating shaft 71 passes through the bottom of the placing groove 11 and is fixedly connected with the rotating disc 5. A worm gear 72 coaxial with the rotating shaft 71 is fixedly connected to a portion of the rotating shaft 71 located inside the measurement base 1. The bottom end of the rotating shaft 71 is provided with a second support plate 75 fixed in the measurement base 1. The second support plate 75 is horizontally disposed. The rotating shaft 71 is rotatably connected to the second support plate 75 by a bearing.

The measuring base 1 is internally provided with a worm 73 meshed with the worm wheel 72, and the worm 73 is horizontally arranged and one axial end of the worm passes through the measuring base 1 and extends out of the measuring base 1. One end of the worm 73 extending out of the measuring base 1 is fixedly connected with a hand wheel 76 which is convenient to operate. The worm 73 is supported by a first support plate 74 fixed inside the measuring base 1 and is rotatably connected to the first support plate 74.

The implementation principle of the concrete penetration resistance detection equipment in the embodiment of the application is as follows: when the concrete penetration resistance is detected, a sample is poured into three sample cylinders 6 placed on a rotating disc 5, then the detection is carried out by using a testing device 4, after one sample is detected, the rotating disc 5 is rotated by using an adjusting mechanism 7, and a second sample cylinder 6 is rotated to the lower part of the testing device 4, so that the sample in the second sample cylinder 6 is tested.

In the process of rotation, a plurality of positions of the samples in the same sample cylinder 6 can be detected, and a plurality of samples can be continuously detected, so that the detection efficiency is improved. The sample cylinder 6 does not need to be moved manually in the test process, so that the disturbance of the sample is avoided.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete penetration resistance check out test set, includes and measures base (1), support (2), manometer (3), testing arrangement (4) and sample section of thick bamboo (6), its characterized in that: the support (2) is fixed on the measuring base (1), the pressure gauge (3) is positioned at the top end of the support (2), and the testing device (4) is fixed on the support (2) and vertically opposite to the measuring base (1); the measuring base (1) is rotatably connected with a rotating disc (5), and an adjusting mechanism (7) for driving the rotating disc (5) to rotate is arranged in the measuring base (1); the sample cartridges (6) are positioned on the rotating disk (5) and are arranged at intervals along the circumferential direction of the rotating disk (5).

2. The concrete penetration resistance detecting apparatus according to claim 1, wherein: the top surface of the measuring base (1) is provided with a placing groove (11), and the rotating disc (5) is located in the placing groove (11) and matched with the placing groove (11).

3. The concrete penetration resistance detecting apparatus according to claim 1, wherein: a groove (51) is formed in the top surface of the rotating disc (5), and the sample cylinder (6) is located in the groove (51).

4. The concrete penetration resistance detecting apparatus according to claim 3, wherein: the bottom surface of the sample cylinder (6) is provided with a limiting groove (61), and a limiting block (52) matched with the limiting groove (61) is fixed at the bottom of the groove (51).

5. The concrete penetration resistance detecting apparatus according to claim 4, wherein: the limiting groove (61) is in a cross shape.

6. The concrete penetration resistance detecting apparatus according to claim 1, wherein: the number of the sample cylinders (6) is three.

7. The concrete penetration resistance detecting apparatus according to claim 1, wherein: the adjusting mechanism (7) comprises a rotating shaft (71) positioned in the measuring base (1), the rotating shaft (71) is coaxial with the rotating disk (5), the top end of the rotating shaft (71) penetrates through the measuring base (1) and is fixedly connected with the rotating disk (5), the rotating shaft (71) is supported by a second supporting plate (75) fixed in the measuring base (1), and the rotating shaft (71) is rotatably connected with the second supporting plate (75); the rotating shaft (71) is driven by a driving component arranged in the measuring base (1).

8. The concrete penetration resistance detecting apparatus according to claim 7, wherein: the driving assembly comprises a worm wheel (72) which is coaxial with the rotating shaft (71) and is fixedly connected with the rotating shaft, and the worm wheel (72) is driven by a worm (73) meshed with the worm wheel (72); one axial end of the worm (73) extends out of the measuring base (1), and the worm (73) is supported by a first supporting plate (74) fixed in the measuring base (1).