CN-224216700-U - Concrete ratio experimental apparatus
Abstract
The utility model provides a concrete ratio experimental apparatus, belongs to concrete experiment technical field, including the end storehouse, end storehouse right side intercommunication is provided with the casing, and the division board is installed on end storehouse top, and logical chamber has been seted up at the division board middle part, and surface mounting has first motor on the casing, and first motor output is connected with first pivot, and first pivot bottom extends into the casing inner chamber and rotates with the casing inner chamber bottom and be connected. According to the utility model, through the plurality of sample placement boxes capable of rotating and revolving, uniform drying of concrete samples can be realized, the problem that the concrete samples are dried unevenly due to overhigh or overlow local temperature is avoided, the accuracy of water-cement ratio measurement is affected, the uniform drying condition can enable moisture to be evaporated more fully, the measurement accuracy is improved, a plurality of groups of guide plates are reciprocated to swing and are matched with a heating pipe to dissipate heat, so that hot air circularly flows in the box, the concrete samples are ensured to be heated evenly, and the problem that the temperature near the heating pipe is overhigh to affect the integral temperature uniformity of the inner cavity of the top bin is avoided.
Inventors
- WANG QILI
- TONG SHULIN
- GE QUAN
- Fei Dongyu
Assignees
- 中交一航局第五工程有限公司
- 中交第一航务工程局有限公司
Dates
- Publication Date
- 20260508
- Application Date
- 20250523
Claims (7)
- 1. The concrete proportioning experiment device comprises a bottom bin (1), and is characterized in that a shell (2) is arranged on the right side of the bottom bin (1) in a communicating manner, a partition plate (3) is arranged at the top end of the bottom bin (1), a through cavity is formed in the middle of the partition plate (3), a first motor (4) is arranged on the upper surface of the shell (2), the output end of the first motor (4) is connected with a first rotating shaft (5), the bottom end of the first rotating shaft (5) extends into the inner cavity of the shell (2) and is in rotating connection with the bottom end of the inner cavity of the shell (2), a first gear (6) is fixedly arranged on the first rotating shaft (5), a rotary disc (9) is fixedly connected with a plurality of connecting blocks (8) through bearing seats in the inner cavity, a toothed ring (7) is fixedly connected with the outer side of the connecting blocks (8), the toothed ring (7) is in meshed connection with the first gear (6), a second motor (10) is arranged in the inner cavity of the bottom bin (1), the second motor (10) is fixedly connected with the second rotating shaft (11) through the second rotating shaft (11), and a plurality of groups of rotating assemblies are circumferentially equidistant on the second gear (12).
- 2. The concrete proportioning experiment device according to claim 1, wherein each group of rotating assemblies comprises a third rotating shaft (13) fixedly arranged on the upper surface of the rotary table (9), a third gear (14) is fixedly arranged on the third rotating shaft (13), the third gear (14) is rotatably connected with the side wall of the second gear (12), and a sample placing box (15) is fixedly arranged at the top end of the third rotating shaft (13).
- 3. The concrete proportioning experiment device according to claim 2, wherein a top bin (16) is arranged at the top end of the bottom bin (1), the third rotating shaft (13) upwards penetrates through a through cavity formed in the middle of the partition plate (3), a cover body (17) is arranged at the top end of the top bin (16), and an opening fan (18) is arranged at the top end of the cover body (17) in a rotating and opening mode.
- 4. The concrete proportioning experiment device as set forth in claim 3, wherein a plurality of heating pipes (19) are circumferentially equidistantly arranged on the inner side wall of the top bin (16), a power supply system (20) is arranged on the side wall of the top bin (16), and the power supply system (20) is electrically connected with the heating pipes (19).
- 5. The concrete proportioning experiment device according to claim 4, wherein a third motor (21) is arranged at the top end of the shell (2) through a motor frame, a fourth rotating shaft (22) is connected to the output end of the third motor (21), a fourth gear (23) is fixedly arranged on the fourth rotating shaft (22), a ring body (24) is arranged on the side wall of the top bin (16) in a relatively rotating mode, a plurality of teeth (25) are arranged on the side wall of the ring body (24) at equal intervals, and the side wall of the fourth gear (23) is in meshed connection with gaps between two adjacent teeth (25).
- 6. The concrete proportioning experiment device as set forth in claim 5, wherein a plurality of diversion components are arranged in the inner cavity of the top bin (16), each diversion component comprises a rotating pin (28) rotatably connected to the ring body (24), the diversion component further comprises a mounting seat (26) penetrating through the side wall of the top bin (16), a swinging rod (27) penetrates through and is rotatably connected in the mounting seat (26), the outer side end part of the swinging rod (27) is rotatably connected with the rotating pin (28), a connecting seat (29) is fixedly arranged at the inner side end part of the swinging rod (27), and a diversion plate (30) is fixedly arranged on the side wall of the connecting seat (29).
- 7. The concrete proportioning experimental device of claim 6, wherein the deflector (30) is arranged in a wedge-shaped sheet shape.
Description
Concrete ratio experimental apparatus Technical Field The utility model belongs to the technical field of concrete experiments, and particularly relates to a concrete proportioning experiment device. Background The concrete proportioning experiment mainly detects the following items of slump, bleeding rate, setting time, compressive strength, air content, crack resistance, elastic modulus, freezing resistance, wear resistance, impermeability and the like. In the related art (bulletin number CN 212680884U), a mixing device for asphalt concrete proportioning experiment is disclosed, this mixing device for asphalt concrete proportioning experiment, through the setting of box, the columniform box is inside to be provided with smashes, stirs and the function of heating, makes mixing device miniaturized, can put in the laboratory and uses, through fly leaf, first motor, the second cylinder, push away the cooperation of frame and screw rod, through rotatory screw rod, adjust the interval of second cylinder and first cylinder, can proportioning asphalt concrete of different granule sizes, make mixing device convenient to use. At present, concrete water-cement ratio detection is an important detection item, the water-cement ratio is the ratio of the mass of water in concrete to the mass of cement, a drying method is a mode for detecting the water-cement ratio of concrete in common use, the drying method is to evaporate water in concrete by using a heating mode, and then the mass of residual solids is measured, so that the content of cement and water is determined. When the concrete water-cement ratio is detected by adopting a drying method at present, the concrete sample is dried unevenly easily due to overhigh or overlow local temperature, and the accuracy of water-cement ratio measurement is affected. Disclosure of utility model Aiming at the problems that when the concrete cement ratio is detected by adopting a drying method in the prior art, the concrete sample is not dried uniformly due to the fact that the local temperature is too high or too low, and the accuracy of cement ratio measurement is affected, the utility model provides the concrete proportioning experimental device which can realize uniform drying of the concrete sample through a plurality of sample placement boxes rotating and revolving, and avoid the problem that the accuracy of cement ratio measurement is affected due to the fact that the concrete sample is dried unevenly due to the fact that the local temperature is too high or too low. The specific technical scheme is as follows: The utility model provides a concrete ratio experimental apparatus, includes the end storehouse, end storehouse right side intercommunication is provided with the casing, the division board is installed on end storehouse top, logical chamber has been seted up at the division board middle part, surface mounting has first motor on the casing, first motor output is connected with first pivot, just first pivot bottom extend into the casing inner chamber and with the casing inner chamber bottom rotates to be connected, fixed mounting has first gear in the first pivot, end storehouse inner chamber rotates through the bearing frame and is connected with the carousel, carousel lateral wall fixedly connected with a plurality of connecting blocks, connecting block outside fixedly connected with ring gear, just the ring gear with first gear engagement is connected, the second motor is installed to end storehouse inner chamber, second motor output is connected with the second pivot, just the second pivot upwards runs through the carousel, fixed mounting has the second gear in the second pivot, second gear circumference equidistance is provided with multiunit rotation assembly. In the above technical scheme, every group the rotating assembly includes fixed mounting in the third pivot of carousel upper surface, fixed mounting has the third gear in the third pivot, just the third gear with the second gear lateral wall rotates to be connected, third pivot top fixed mounting has the sample to place the box. In the above technical scheme, the top bin is installed on the bottom bin top, the third pivot upwards runs through the logical chamber of division board middle part seting up, the lid is installed on top bin top, the lid top rotates to open and shut and is provided with the opening fan. In the above technical scheme, top storehouse inside wall is provided with a plurality of heating pipes along circumference equidistance, top storehouse side wall is provided with electrical power generating system, just electrical power generating system with heating pipe electric connection. In the above technical scheme, the third motor is installed through the motor frame on casing top, third motor output is connected with the fourth pivot, fixed mounting has the fourth gear in the fourth pivot, top storehouse lateral wall relative pivoted is provided with the ring body, ring body lateral wall