A sample placing assembly for a concrete temperature control curing device and a control method

Abstract

The application discloses a kind of concrete temperature control curing equipment sample placing assembly and control method, it is related to concrete curing technical field, including placing frame and the multiple joists of interval arrangement along the height direction of placing frame, for frame concrete sample, further include, multiple supporting plate, interval arrangement along supporting plate length direction, the top of supporting plate is set as supporting surface, for supporting concrete sample;Liquid storage box is set on supporting plate, and liquid storage box is set with liquid storage cavity corresponding to each side edge of concrete sample;In the application, concrete sample is placed on supporting plate supporting surface, sample bottom edge is suspended and opposite lower liquid storage cavity, spraying mechanism continuously sprays maintenance, and water is dropped to corresponding liquid storage cavity from one side wall along the slope surface of concrete sample, so that the water accumulation of this liquid storage cavity increases faster, and the liquid level gauge of water accumulation high liquid storage cavity triggers signal transmission to drive member after driving member, and drive member lifts supporting plate corresponding side, and the side edge of sample drip amount of high side is raised, and the amount of water falling on four sides is balanced.

Description

Technical Field

[0001] This invention relates to the field of concrete curing technology, specifically to a sample placement component and control method for concrete temperature-controlled curing equipment. Background Technology

[0002] Concrete specimen strength testing relies on temperature-controlled curing equipment to achieve constant temperature and humidity curing. The specimen placement assembly is a core component that supports and organizes the specimens inside the box. In order to meet the specifications for stacking specimens of different specifications and ensuring uniform ventilation and curing of the specimens, the specimens need to be arranged in an orderly manner using the placement assembly.

[0003] Concrete samples are placed on racks in the curing room. The racks ensure that the concrete samples are placed relatively flat and neatly. However, due to the limitations of vibration and finishing processes during the pouring and forming stage, it is difficult to achieve an absolutely flat top surface for the concrete samples, resulting in a slope. When curing spray water is sprayed onto the top surface of the concrete samples, it tends to flow unidirectionally along the slope and drips concentratedly along one side wall of the sample. This causes uneven water distribution on the various side walls of the concrete samples, asynchronous hydration processes within the same sample block, regional differences in density and strength, and affects the test values. Summary of the Invention

[0004] The purpose of this invention is to provide a sample placement component and control method for concrete temperature-controlled curing equipment, so as to solve the problems mentioned in the background art.

[0005] Another object of the present invention is to provide a control method.

[0006] To address the aforementioned technical problems, this invention provides a sample placement assembly for a concrete temperature-controlled curing device, comprising a placement frame and multiple support beams spaced apart along the height direction of the placement frame for supporting concrete samples, and further comprising...

[0007] Multiple trays are arranged at intervals along the length of the support beam, with the top of the trays serving as a support surface for supporting concrete samples. A liquid storage box is set on the tray. The liquid storage box has liquid storage cavities on each side corresponding to the concrete sample, which are used to collect the sprayed water flowing down the corresponding side of the concrete sample. An ultrasonic level gauge is set on the top of the liquid storage cavity. A driving component is mounted on a support plate and is electrically connected to an ultrasonic level gauge. The driving component includes at least a plurality of vertically movable push ends for adjusting at least one push end on the driving component according to the water level value in the corresponding storage chamber obtained by the ultrasonic level gauge.

[0008] Furthermore, a strip groove is provided on the top of the support beam, the strip groove extends along the length of the support beam, the two ends of the strip groove penetrate through the two ends of the support beam, multiple baffles are arranged at intervals in the strip groove, a cavity is formed between every two baffles, there is a gap between adjacent cavities, the support plate is placed inside the cavity, and the top of the support plate protrudes from the top of the baffle. The distance between each side of the tray and the inner wall of the cavity is equal, the detection element is located between the side of the tray and the inner wall of the cavity, and the driving element is located below the tray. The side wall of the liquid storage box is connected to the inner wall of the cavity, and the other side wall is in close contact with the side wall of the tray. The liquid storage cavity is opened inside the liquid storage box, and the opening of the liquid storage cavity is located at the top of the liquid storage box. All liquid storage boxes are at the same horizontal height. The ultrasonic level gauge installed in each liquid storage cavity is at the same height relative to the reference surface of the liquid storage cavity. There is a gap between the ultrasonic level gauge and the top and bottom of the liquid storage cavity.

[0009] Furthermore, the detection component also includes, A baffle is installed inside the liquid storage chamber. One end of the baffle is connected to one end of the liquid storage chamber, and there is a gap between the other end of the baffle and the other end of the liquid storage chamber. This gap forms a water storage chamber. The two sides of the baffle are respectively connected to the inner walls of the two sides of the liquid storage chamber. A U-shaped tube is inserted into the liquid storage box. The U-shaped tube has two ports. One end extends into the water storage cavity and is the first port. The other end is located outside the liquid storage box and is the second port. The first port is close to the inner bottom wall of the water storage cavity, and the second port is close to the inner bottom wall of the cavity. The height of the first port is higher than that of the second port. The highest point of the U-shaped tube is lower than the top opening of the liquid storage cavity. The cavity has multiple openings, each located at an angle within the cavity. The bottom of each opening extends through the bottom of the support beam. The ultrasonic level gauge is installed inside the U-shaped tube and is located at the highest point of the U-shaped tube.

[0010] Furthermore, the top of the block is provided with an inclined surface, one end of which is connected to one end of the liquid storage cavity, and the other end is arranged to gradually slope downwards towards the water storage cavity and communicate with the water storage cavity.

[0011] Furthermore, a fixing seat is installed on the inner bottom wall of the cavity, the fixing seat is spaced apart from the tray, the driving component is located on the top of the fixing seat, the side wall of the fixing seat is connected to the side wall of the liquid storage box, and the axis of the fixing seat overlaps with that of the tray. The driving component also includes a support base, which overlaps with the axis of the pallet, and the bottom end of the support base is connected to the top of the fixed base. The support base has at least two through slots facing different directions, which are vertically spaced and horizontally pass through the support base. Each of the two through slots is equipped with a support rod. The length direction of the two support rods is the same as the orientation of their respective through slots, and the two ends of the support rods are equidistant from the through slots. The outer wall of the support rod is rotatably connected to the inner wall of the through slot through a shaft. The pushing end includes multiple push rods, each of which is fixed to the end of the support rod; The drive unit also includes a drive mechanism located below the drive unit. The drive mechanism includes at least a plurality of liftable drive parts, each drive part being located below the end of each support rod, for pushing the end of the support rod during lifting.

[0012] Furthermore, the two through slots are perpendicular to each other in the horizontal direction, so that the two through slots and the two support rods are distributed in a cross shape on the horizontal projection plane; The top of the fixed base has two sliding grooves, which are vertically spaced apart and perpendicular to each other in the horizontal direction. They are distributed in a cross shape on the horizontal projection plane, corresponding to the vertical through groove. Both chutes have open tops, while the bottom of the upper chute at their intersection is closed, and they are not connected. The drive mechanism is located inside the chutes, with multiple drive units located inside the chutes and close to their ends.

[0013] Furthermore, the drive unit also includes a threaded rod, the bottom end of which is rotatably connected to the inner bottom wall of the slide groove, a threaded sleeve is threadedly connected to the outer wall of the threaded rod, a bracket is provided on one side of the threaded rod, the bracket is installed on the inner bottom wall of the slide groove, a collar is installed on the outer wall of the bracket, and the threaded sleeve is slidably connected to the collar. The outer wall of the threaded sleeve is equipped with a slider, and the inner ring wall of the collar is vertically provided with a slide rail, which is slidably connected to the slider.

[0014] Furthermore, the drive mechanism also includes two racks, which are respectively located in two slide grooves. The racks are slidably connected to the inner bottom wall of the slide grooves and are used to slide along the length of the slide grooves. The outer wall of the threaded rod is connected to a first gear. The rack meshes with two first gears at both ends of the slide groove. The rack also meshes with a second gear. One end of the second gear is equipped with a drive rod. The other end of the drive rod is rotatably connected to the inner bottom wall of the slide groove. A drive element is also installed on the fixed base. The drive element has two control ends, which drive the two drive rods to rotate respectively. The ultrasonic level gauge is electrically connected to the drive element.

[0015] A control method for a sample placement assembly in a concrete temperature-controlled curing equipment, applied to any of the aforementioned sample placement assemblies in a concrete temperature-controlled curing equipment, includes the following specific steps: Within a preset time period, the water level value in each liquid storage chamber is obtained in real time by an ultrasonic level gauge. Based on the water level values ​​of each liquid storage chamber, the overflow condition of the concrete sample support surface is determined, and then adjustment is performed on at least one push end of the drive component accordingly.

[0016] A control method for a sample placement assembly in a concrete temperature-controlled curing equipment, applied to any of the aforementioned sample placement assemblies in a concrete temperature-controlled curing equipment, includes the following specific steps: Within a preset time period, the number of times the highest water level is reached in each liquid storage chamber is obtained by ultrasonic level gauge. The overflow condition of the concrete sample support surface is determined by the number of times the highest water level is reached in each liquid storage chamber, and then adjustment is performed on at least one push end of the drive component accordingly.

[0017] Compared with the prior art, the beneficial effects of the present invention are: 1. In this invention, the concrete sample is placed on the support surface of the tray, with the bottom edge of the sample suspended directly facing the liquid storage cavity below. The spraying mechanism continuously sprays and cures the sample. The accumulated water drips from one side wall along the slope of the concrete sample to the corresponding liquid storage cavity, making the water accumulation in the liquid storage cavity faster. The liquid storage cavity with excessive water accumulation triggers the ultrasonic level gauge to send a signal to the driving component. The driving component lifts the corresponding side of the tray, raising the side of the sample with a large amount of water dripping, and balancing the amount of water falling from all four sides.

[0018] 2. In this invention, water falling into the storage chamber flows into the water storage chamber through the baffle. The water flows into the U-shaped tube through the first pipe opening. After the water level exceeds the top of the U-shaped tube, the water discharges the air in the tube to form a continuous water column. The water in the storage chamber is emptied by siphon. After the water level drops and air is introduced, the siphon terminates. A level gauge is installed at the top of the U-shaped tube. Each level gauge compares the siphon start time. The level gauge that first detects water flows into the control drive to lift the side of the sample. The siphon water flows into the cavity through the second pipe opening and is finally discharged outward through the outlet. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the support beam in this invention; Figure 3 This is a schematic diagram of the connection structure between the support beam and the baffle in this invention; Figure 4 This is a schematic diagram of the connection structure between the cavity and the port in this invention; Figure 5 This is a schematic diagram of the connection structure between the liquid storage chamber and the liquid storage box in this invention; Figure 6 This is a schematic diagram of the connection structure between the tray and the liquid storage box in this invention; Figure 7 This is a schematic diagram of the connection structure between the liquid storage chamber and the water storage chamber in this invention; Figure 8 This is a schematic diagram of the connection structure between the pushing end and the support plate in this invention; Figure 9 This is a schematic diagram of the connection structure between the support rod and the top rod in this invention; Figure 10 This is a schematic diagram of the connection structure between the support base and the through groove in this invention; Figure 11 This is a schematic diagram of the connection structure between the fixed base and the slide groove in this invention; Figure 12 This is a schematic diagram of the connection structure between the slide and the drive unit in this invention; Figure 13 for Figure 12 Enlarged view of the structure at point A in the middle; Figure 14 This is a schematic diagram of the connection structure between the rack and the second gear in this invention; Figure 15 for Figure 14 Enlarged view of the structure at point B; Figure 16 This is a schematic diagram of the external shape of the slide groove in this invention; Figure 17 This is a flowchart of the control method in this invention; Figure 18 This is a flowchart of the control method in this invention.

[0020] In the picture: 1. Placement rack; 2. Support beam; 21. Strip groove; 22. Baffle; 23. Cavity; 24. Through opening; 3. Pallet; 31. Supporting surface; 4. Driving component; 41. Pushing end; 42. Support base; 43. Through slot; 44. Support rod; 45. Support block; 46. Push rod; 5. Testing component; 51. Liquid storage chamber; 52. Liquid storage box; 53. Water storage chamber; 54. Baffle; 55. Inclined surface; 56. U-shaped tube; 57. First pipe opening; 58. Second pipe opening; 6. Fixed base; 61. Slide groove; 7. Drive mechanism; 71. Drive unit; 711. Threaded sleeve; 712. Threaded rod; 713. Bracket; 714. Collar; 715. Slider; 716. Slide rail; 72. First gear; 73. Rack; 74. Drive rod; 75. Second gear. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] This invention provides a technical solution: See Figures 1-18 As shown, a sample placement assembly for a concrete temperature-controlled curing device includes a placement frame 1 and multiple support beams 2 arranged at intervals along the height direction of the placement frame 1 for placing concrete samples. It also includes... Multiple support plates 3 are arranged at intervals along the length of the support beam 2. The top of the support plate 3 is set as the support surface 31 for supporting the concrete sample. A liquid storage box 52 is mounted on a tray 3. The liquid storage box 52 has liquid storage cavities 51 corresponding to each side of the concrete sample, which are used to collect the sprayed water flowing down from the corresponding side of the concrete sample. An ultrasonic level gauge is installed on the top of the liquid storage cavity 51. The driving component 4 is disposed on the support plate 3 and is electrically connected to the ultrasonic level gauge. The driving component 4 includes at least a plurality of vertically movable push ends 41, which are used to adjust at least one push end 41 on the driving component 4 according to the water level value in the corresponding liquid storage chamber 51 obtained by the ultrasonic level gauge.

[0023] The placement rack 1 is installed inside the curing room. During the curing process of the concrete sample, the spraying mechanism in the curing room continuously sprays water mist onto the concrete sample. The support beam 2 is fixed on the placement rack 1. The concrete is placed on the top of the support plate 3 on each layer of support beam 2, that is, on the support surface 31. The support surface 31 is in contact with the bottom of the concrete sample. The edge of the concrete sample is suspended and does not contact the support surface 31. The edge of the concrete sample is vertically aligned with the liquid storage chamber 51. The support plate 3 is set horizontally. When the top of the concrete sample is uneven, the water falling on the top of the concrete sample will flow down its slope to one side of the concrete sample, and then drip down to the corresponding liquid storage chamber 51 below. The water in the liquid storage chamber 51 below this side will be more than the water in the liquid storage chamber 51 below the other side. The ultrasonic level gauge in each liquid storage chamber 51 is used for detection. If water accumulates faster in one of the liquid storage chambers 51, the ultrasonic level gauge will be triggered first. After the ultrasonic level gauge identifies the liquid storage chamber 51 with more water, it sends an electrical signal to the drive unit 4, which in turn drives the corresponding push end 41 to move upward, raising one side of the support plate 3. This raises the side of the concrete sample that drips more water through the side of the support plate 3, making the water flow through each side similar.

[0024] See Figures 2-6 The top of the support beam 2 is provided with a strip groove 21, which extends along the length of the support beam 2. Both ends of the strip groove 21 pass through both ends of the support beam 2. Multiple baffles 22 are arranged at intervals in the strip groove 21, and a cavity 23 is formed between every two baffles 22. There is a gap between adjacent cavities 23. The support plate 3 is located inside the cavity 23, and the top of the support plate 3 protrudes from the top of the baffle 22. The distance between each side of the tray 3 and the inner wall of the cavity 23 is equal. The detection element 5 is located between the side of the tray 3 and the inner wall of the cavity 23. The driving element 4 is located below the tray 3. The side wall of the liquid storage box 52 is fixedly connected to the inner wall of the cavity 23, and the other side wall is in close contact with the side wall of the support plate 3. The liquid storage cavity 51 is opened in the liquid storage box 52, and the opening of the liquid storage cavity 51 is located at the top of the liquid storage box 52. All liquid storage boxes 52 are at the same horizontal height. The ultrasonic level gauge installed in each liquid storage cavity 51 is at the same height relative to the reference surface of the liquid storage cavity 51. There is a gap between the ultrasonic level gauge and the top and bottom of the liquid storage cavity 51.

[0025] The cavity 23 is used to accommodate the tray 3. After the concrete sample is placed on the tray 3, the entire concrete sample is located in the area above the cavity 23. The baffle 22 is fixedly connected to the inner wall of the strip groove 21, so that the cavity 23 between the two baffles 22 is sealed. The top of the cavity 23 is open, and the edge of the concrete will not exceed the area of ​​the cavity 23. Water will drip into the area of ​​the cavity 23. Water droplets on the concrete sample fall through the opening at the top of the liquid storage chamber 51 and into the liquid storage chamber 51. The ultrasonic level gauges in each liquid storage chamber 51 are at the same height, which makes the detection standard uniform and reduces the deviation. Moreover, the ultrasonic level gauges can directly detect which liquid storage chamber 51 has the water volume that reaches the detection level first.

[0026] See Figures 3-7 Item 5 also includes, A stop block 54 is fixedly installed inside the liquid storage chamber 51. One end of the stop block 54 is fixedly connected to one end of the liquid storage chamber 51, and there is a gap between the other end of the stop block 54 and the other end of the liquid storage chamber 51. This gap forms a water storage chamber 53. The two sides of the stop block 54 are fixedly connected to the inner walls of the two sides of the liquid storage chamber 51, respectively. A U-shaped tube 56 is inserted into the liquid storage box 52. The U-shaped tube 56 has two ports. One end extends into the water storage cavity 53, which is the first port 57. The other end is located outside the liquid storage box 52, which is the second port 58. The first port 57 is close to the inner bottom wall of the water storage cavity 53, and the second port 58 is close to the inner bottom wall of the cavity 23. The height of the first port 57 is higher than that of the second port 58. The highest point of the U-shaped tube 56 is lower than the top opening of the liquid storage cavity 51. The cavity 23 has multiple openings 24, each opening 24 is located at the angle of the cavity 23, and the bottom end of the opening 24 passes through the bottom of the support beam 2. The ultrasonic level gauge is fixedly installed inside the U-shaped tube 56 and is located at the highest point of the U-shaped tube 56.

[0027] After the water falls into the storage chamber 51, it flows down the top of the baffle 54 into the water storage chamber 53. The water level gradually rises, and some water enters the U-shaped tube 56 through the first pipe port 57. When the water level in the water storage chamber 53 crosses the highest point of the U-shaped tube 56, the flowing water continuously carries and squeezes the air in the U-shaped tube 56. The air gradually escapes from the second pipe port 58 along the pipe. The space in the U-shaped tube 56 is slowly filled with water, and a continuous water column is formed in the U-shaped tube 56, triggering a siphon to discharge the water in the water storage chamber 53. When the water level in the water storage chamber 53 is lower than the first pipe opening 57, air enters, the siphon stops, and the ultrasonic level gauge is fixed at the highest point inside the U-shaped tube 56. In this way, the ultrasonic level gauge can detect when water passes through, and each ultrasonic level gauge starts to compare the time of triggering the siphon. The one that senses the water passing through first triggers the corresponding push end 41 to lift, so that the side of the corresponding concrete sample is raised by a specific height. After water is discharged from the second pipe port 58, it enters the cavity 23 and can flow out of the cavity 23 through the opening 24.

[0028] See Figure 7 The top of the block 54 is provided with an inclined surface 55. One end of the inclined surface 55 is connected to one end of the liquid storage cavity 51, and the other end is gradually inclined downward towards the water storage cavity 53 and communicates with the water storage cavity 53.

[0029] The inclined surface 55 is used to guide the water dripping onto the inclined surface 55, and quickly guide the water into the water storage chamber 53. The water flows into the water storage chamber 53 along the inclined angle of the inclined surface 55.

[0030] See Figures 6-10 A fixed seat 6 is fixedly installed on the inner bottom wall of the cavity 23. The fixed seat 6 is spaced apart from the tray 3. The driving component 4 is located on the top of the fixed seat 6. The side wall of the fixed seat 6 is fixedly connected to the side wall of the liquid storage box 52. The axis of the fixed seat 6 overlaps with that of the tray 3. The driving component 4 also includes a support base 42, which overlaps with the axis of the support plate 3. The bottom end of the support base 42 is fixedly connected to the top of the fixed base 6. The support base 42 has at least two through slots 43 with different orientations. The two through slots 43 are vertically spaced and horizontally pass through the support base 42. Each of the two through slots 43 is provided with a support rod 44. The length direction of the two support rods 44 is the same as the orientation of their respective through slots 43, and the two ends of the support rods 44 are equidistant from the through slots 43. The outer wall of the support rods 44 is rotatably connected to the inner wall of the through slots 43 via a shaft. The pushing end 41 includes a plurality of push rods 46, each push rod 46 being fixed to the end of the support rod 44; The driving component 4 also includes a driving mechanism 7 located below the driving component 4. The driving mechanism 7 includes at least a plurality of liftable driving parts 71, each driving part 71 being located below the end of each support rod 44, for pushing the end of the support rod 44 during lifting.

[0031] Two support blocks 45 are fixedly installed on the top of the lower support rod 44. The two support blocks 45 are located at both ends of the support rod 44. The support blocks 45 are fixedly connected to the bottom of the corresponding upper top rod 46. The top of the upper support rod 44 is directly fixedly connected to the bottom of the corresponding upper top rod 46, so that the tops of multiple top rods 46 are on the same plane and jointly support the support plate 3. The top of the support base 42 is connected to a ball shaft, which is slidably connected to the bottom of the support plate 3. The ball shaft is located at the center of the bottom of the support plate 3. After the ultrasonic level gauge sends an electrical signal, the corresponding drive unit 71 is raised upward, which lifts one end of the support rod 44, thereby raising the top rod 46. Then, the top rod 46 lifts one side of the support plate 3, so that the corresponding side of the concrete sample is raised.

[0032] See Figures 10-16 The two through slots 43 are perpendicular to each other in the horizontal direction, so that the two through slots 43 and the two support rods 44 are distributed in a cross shape on the horizontal projection plane. The top of the fixed base 6 has two sliding grooves 61. The two sliding grooves 61 are vertically spaced apart and perpendicular to each other in the horizontal direction. They are distributed in a cross shape on the horizontal projection plane and correspond vertically to the through groove 43. The tops of both slides 61 are open, and the bottom of the upper slide 61 at the intersection of the two is a closed structure. The two slides are not connected. The drive mechanism 7 is located inside the slide 61, and multiple drive units 71 are located inside the slide 61 and close to the end of the slide 61.

[0033] There are four top rods 46, corresponding to the four sides of the support plate 3. The four sides of the support plate 3 correspond to the four sides of the concrete sample. The left and right ends of the support rod 44 correspond to the two horizontal sides of the concrete sample. When the top of the concrete sample is an uneven slope, the push end 41 pushes up one end of the support rod 44, causing the support rod 44 to swing around the axis. One end of the support rod 44 is raised and the other end is tilted down, so that the bottom side of the slope at the top of the concrete sample is raised and the top side is lowered, thus adjusting the angle of the concrete sample simultaneously. The vertical angles of the slide groove 61 and the two intersecting support rods 44 correspond to each other, both presenting a cross shape. The two slide grooves 61 are vertically offset, with one slide groove 61 being higher than the other. The two drive parts 71 installed in the higher slide groove 61 are also higher, so that they can touch the bottom of the support rods 44.

[0034] See Figure 15 The drive unit 71 also includes a threaded rod 712, the bottom end of which is rotatably connected to the inner bottom wall of the slide groove 61. A threaded sleeve 711 is threadedly connected to the outer wall of the threaded rod 712. A bracket 713 is provided on one side of the threaded rod 712. The bracket 713 is fixedly installed on the inner bottom wall of the slide groove 61. A collar 714 is fixedly installed on the outer wall of the bracket 713. The threaded sleeve 711 and the collar 714 are slidably connected. A slider 715 is fixedly installed on the outer wall of the threaded sleeve 711, and a slide rail 716 is vertically opened on the inner ring wall of the collar 714. The slide rail 716 is slidably connected to the slider 715.

[0035] The bracket 713 is fixed in the slide groove 61, and the collar 714 is fixed on the bracket 713. The threaded sleeve 711 cannot rotate due to the limiting of the slider 715 and the slide rail 716. Therefore, when the threaded rod 712 rotates, the threaded sleeve 711 can only slide up and down along the inner wall of the collar 714. In the initial state of the drive unit 71, the top of the threaded sleeve 711 is in contact with the bottom of the support rod 44. When the end of the support rod 44 is to be pushed upward, the threaded rod 712 rotates and engages with the threaded part of the inner wall of the threaded sleeve 711, causing the threaded sleeve 711 to move upward and push the end of the support rod 44.

[0036] See Figures 12-15 The drive mechanism 7 also includes two racks 73, which are located in two slide grooves 61 respectively. The racks 73 are slidably connected to the inner bottom wall of the slide grooves 61 and are used to slide along the length of the slide grooves 61. A first gear 72 is fixedly connected to the outer wall of the threaded rod 712. The rack 73 is meshed with two first gears 72 at both ends of the slide groove 61. The rack 73 is also meshed with a second gear 75. A drive rod 74 is fixedly installed at one end of the second gear 75. The other end of the drive rod 74 is rotatably connected to the inner bottom wall of the slide groove 61. A drive element is also installed on the fixed base 6. The drive element has two control ends, which drive the two drive rods 74 to rotate respectively. The ultrasonic level gauge is electrically connected to the drive element.

[0037] The second gear 75 is located in the middle of the rack 73. There is a gap between the two ends of the rack 73 and the end of the slide groove 61. The position of the drive part 71 is also spaced from the end of the slide groove 61, leaving a sliding gap for the rack 73. The drive element is mounted on the support beam 2. The drive end is fixedly connected to the drive rod 74 and is used to drive the drive rod 74 to rotate. Then, the drive rod 74 drives the second gear 75 to rotate together. The rotation of the second gear 75 drives the rack 73 to move. The movement of the rack 73 drives the first gear 72 to rotate. Then, the first gear 72 drives the threaded rod 712 to rotate. Please see Figure 14 The driving parts 71 on the left and right sides correspond to the left and right side walls of the concrete sample, and the two driving parts 71 at the front and rear correspond to the front and rear side walls of the concrete sample. For example, when more water drips from the left side wall of the concrete sample, the second gear 75 at the top rotates clockwise, causing the rack 73 to move to the right, causing the threaded sleeve 711 on the left side to move upward, while the threaded sleeve 711 on the right side moves downward, and then the left side wall of the concrete sample is pushed upward and then raised. Conversely, when more water drips from the right side wall of the concrete sample, the upper second gear 75 rotates counterclockwise, causing the rack 73 to move to the left. Then, the right threaded sleeve 711 moves upward and the left threaded sleeve 711 moves downward, lifting the right side of the concrete sample. When more water drips from one side of the front or rear of the concrete sample, the lower second gear 75 rotates, causing the lower rack 73 to move left or right, lifting one side of the front or rear wall of the concrete sample.

[0038] See Figures 1-18 The present invention also provides a control method for a sample placement assembly for a concrete temperature-controlled curing equipment, applicable to a sample placement assembly for a concrete temperature-controlled curing equipment in any of the above embodiments, the specific steps of which include: Within a preset time period, the water level value in each liquid storage chamber 51 is obtained in real time by an ultrasonic level gauge. Based on the water level values ​​of each liquid storage chamber 51, the overflow condition of the concrete sample support surface 31 is determined, and then the adjustment operation of at least one push end 41 on the drive component 4 is carried out accordingly.

[0039] The preset time of the ultrasonic level gauge can be flexibly modified and calibrated according to the spray atomization volume of the curing room and the ambient temperature and humidity. The ultrasonic level gauge is equipped with a reference warning water level. In multiple liquid storage chambers 51, when the measured water level in one of the liquid storage chambers 51 or two adjacent liquid storage chambers 51 is higher than the corresponding warning water level, the control system pre-binds the corresponding numbered liquid storage chamber 51 and the corresponding position of the push end 41 to make a fine adjustment of the lifting and lowering, tilting to one side of the corresponding support surface 31.

[0040] See Figures 1-18 The present invention also provides a control method for a sample placement assembly for a concrete temperature-controlled curing equipment, which is applied to a sample placement assembly for a concrete temperature-controlled curing equipment in any of the above embodiments, and the specific steps include.

[0041] Within a preset time period, the number of times the highest water level is reached in each liquid storage chamber 51 is obtained by an ultrasonic level gauge. The overflow condition of the concrete sample support surface 31 is determined based on the number of times the highest water level is reached in each liquid storage chamber 51, and then the adjustment operation of at least one push end 41 on the drive component 4 is carried out accordingly.

[0042] The preset time is the single data statistics cycle, preferably set to 3 hours as a cycle, which can be flexibly changed in combination with the fluctuation of water mist spraying volume in the curing room, the volume of the liquid storage chamber 51, and the drainage rate of the siphon in the liquid storage chamber 51. When the water level inside the storage chamber 51 rises to the preset maximum warning level, the U-shaped pipe 56 automatically opens to drain water. After the water level drops to the siphon interruption level, the siphon effect terminates. Each time the ultrasonic level gauge detects that the water level has reached the maximum warning level, it completes one effective trigger count for the storage chamber 51. During a single statistical cycle, the trigger count of each liquid storage chamber 51 is independently accumulated. After a full statistical cycle, the controller summarizes the cumulative trigger count of all liquid storage chambers 51. The control system has a fixed threshold for the number of triggers pre-stored, and compares the count of each liquid storage chamber 51 with the threshold one by one. When only a single liquid storage chamber 51 exceeds the threshold number of triggers, the corresponding push end 41 below that liquid storage chamber 51 is driven separately to fine-tune the corresponding side of the support surface 31. When the number of triggers of two adjacent liquid storage chambers 51 exceeds the threshold at the same time, the corresponding push ends 41 below the two liquid storage chambers 51 are driven to adjust respectively. If the number of triggers exceeding the threshold for the two liquid storage chambers 51 is the same, the corresponding push ends 41 are controlled to rise and fall synchronously at the same height. If the number of times the two liquid storage chambers 51 exceed the threshold is not equal, the adjustment stroke is allocated proportionally according to the number of times they exceed the threshold. Within one cycle, the push end 41 corresponding to the liquid storage chamber 51 with more triggers is raised to a greater height. Due to objective factors such as the placement of concrete samples and uneven droplets of sprayed water mist, there are natural differences in the number of triggering times of water in each liquid storage chamber 51, and it is unlikely that the number of triggering times of multiple liquid storage chambers 51 will be exactly the same. After completing one cycle of adjustment, the system automatically clears the cumulative count of all liquid storage chambers 51 and then restarts a new statistical cycle. It adapts to the real-time changes in water mist spraying during the maintenance process by relying on periodic cyclic detection, and continuously and dynamically corrects the tilt angle of the support surface 31. The ultrasonic level gauge is electrically connected to the analog input terminal of the PLC controller through the signal line. The control output terminal of the PLC is connected to the drive component 4. The PLC realizes fully automated control of counting storage, data comparison, cycle timing and drive command issuance.

Claims

1. A sample placement assembly for a concrete temperature-controlled curing device, comprising a placement frame (1) and a plurality of support beams (2) spaced apart along the height direction of the placement frame (1) for placing concrete samples, characterized in that, It also includes, Multiple trays (3) are arranged at intervals along the length of the support beam (2), and the top of the trays (3) is set as the support surface (31) for supporting concrete samples. A liquid storage box (52) is set on a tray (3). A liquid storage chamber (51) is set on the liquid storage box (52) corresponding to each side of the concrete sample, which is used to collect the spray water flowing down the corresponding side of the concrete sample. An ultrasonic level gauge is set on the top of the liquid storage chamber (51). The driving component (4) is disposed on the tray (3) and is electrically connected to the ultrasonic level gauge. The driving component (4) includes at least a plurality of vertically movable push ends (41) for adjusting at least one push end (41) on the driving component (4) according to the water level value in the corresponding storage chamber (51) obtained by the ultrasonic level gauge.

2. The sample placement assembly for a concrete temperature-controlled curing device as described in claim 1, characterized in that: The top of the support beam (2) is provided with a strip groove (21), which extends along the length of the support beam (2). The two ends of the strip groove (21) penetrate the two ends of the support beam (2). Multiple baffles (22) are arranged at intervals in the strip groove (21). A cavity (23) is formed between every two baffles (22). There is a gap between adjacent cavities (23). The support plate (3) is located inside the cavity (23). The top of the support plate (3) protrudes from the top of the baffle (22). The distance between each side of the tray (3) and the inner wall of the cavity (23) is equal. The detection element (5) is located between the side of the tray (3) and the inner wall of the cavity (23). The driving element (4) is located below the tray (3). The side wall of the liquid storage box (52) is connected to the inner wall of the cavity (23), and the other side wall is in close contact with the side wall of the tray (3). The liquid storage cavity (51) is opened in the liquid storage box (52). The opening of the liquid storage cavity (51) is located at the top of the liquid storage box (52). The horizontal height of each liquid storage box (52) is the same. The ultrasonic level gauge installed in each liquid storage cavity (51) is at the same height relative to the reference surface of the liquid storage cavity (51). There is a gap between the ultrasonic level gauge and the top and bottom of the liquid storage cavity (51).

3. The sample placement assembly for a concrete temperature-controlled curing device as described in claim 2, characterized in that: The detection component (5) also includes, A baffle (54) is installed inside the liquid storage chamber (51). One end of the baffle (54) is connected to one end of the liquid storage chamber (51), and there is a gap between the other end of the baffle (54) and the other end of the liquid storage chamber (51). This gap forms a water storage chamber (53). The two sides of the baffle (54) are respectively connected to the inner walls of the two sides of the liquid storage chamber (51). A U-shaped tube (56) is inserted into the liquid storage box (52). The U-shaped tube (56) has two ports. One end extends into the water storage cavity (53) and is the first port (57). The other end is located outside the liquid storage box (52) and is the second port (58). The first port (57) is close to the inner bottom wall of the water storage cavity (53), and the second port (58) is close to the inner bottom wall of the cavity (23). The height of the first port (57) is higher than that of the second port (58). The highest point of the U-shaped tube (56) is lower than the top opening of the liquid storage cavity (51). The cavity (23) has multiple openings (24) through it. Each opening (24) is located at the angle of the cavity (23). The bottom end of the opening (24) passes through the bottom of the support beam (2). The ultrasonic level gauge is installed in the U-shaped tube (56) and is located at the highest point of the U-shaped tube (56).

4. The sample placement assembly for a concrete temperature-controlled curing device as described in claim 3, characterized in that: The top of the baffle (54) is provided with an inclined surface (55). One end of the inclined surface (55) is connected to one end of the liquid storage cavity (51), and the other end is gradually inclined downward towards the water storage cavity (53) and communicates with the water storage cavity (53).

5. The sample placement assembly for a concrete temperature-controlled curing device as described in claim 4, characterized in that: The inner bottom wall of the cavity (23) is equipped with a fixed seat (6), the fixed seat (6) and the tray (3) are spaced apart, the driving component (4) is located on the top of the fixed seat (6), the side wall of the fixed seat (6) is connected to the side wall of the liquid storage box (52), and the axis of the fixed seat (6) overlaps with that of the tray (3). The driving component (4) also includes a support base (42), which overlaps with the axis of the support plate (3). The bottom end of the support base (42) is connected to the top of the fixed base (6). The support base (42) has at least two through slots (43) with different orientations. The two through slots (43) are vertically spaced and horizontally pass through the support base (42). Each of the two through slots (43) is provided with a support rod (44). The length direction of the two support rods (44) is the same as the orientation of their respective through slots (43), and the two ends of the support rods (44) are equidistant from the through slots (43). The outer wall of the support rods (44) is rotatably connected to the inner wall of the through slots (43) through a shaft. The push end (41) includes multiple push rods (46), each push rod (46) being fixed to the end of the support rod (44); The drive unit (4) also includes a drive mechanism (7) located below the drive unit (4). The drive mechanism (7) includes at least a plurality of liftable drive parts (71), each drive part (71) being located below the end of each support rod (44) and used to push the end of the support rod (44) during lifting.

6. The sample placement assembly for a concrete temperature-controlled curing device as described in claim 5, characterized in that: The two through slots (43) are perpendicular to each other in the horizontal direction, so that the two through slots (43) and the two support rods (44) are distributed in a cross shape on the horizontal projection plane; The top of the fixed base (6) has two sliding grooves (61). The two sliding grooves (61) are vertically spaced apart and perpendicular to each other in the horizontal direction. They are distributed in a cross shape on the horizontal projection plane and correspond vertically to the through groove (43). The tops of both chutes (61) are open. At the intersection of the two, the bottom of the upper chute (61) is closed. The two are not connected. The drive mechanism (7) is located in the chutes (61). Multiple drive units (71) are located in the chutes (61) and close to the ends of the chutes (61).

7. The sample placement assembly for a concrete temperature-controlled curing device as described in claim 6, characterized in that: The drive unit (71) also includes a threaded rod (712), the bottom end of which is rotatably connected to the inner bottom wall of the slide groove (61), and a threaded sleeve (711) is threadedly connected to the outer wall of the threaded rod (712). A bracket (713) is provided on one side of the threaded rod (712), and the bracket (713) is installed on the inner bottom wall of the slide groove (61). A collar (714) is installed on the outer wall of the bracket (713), and the threaded sleeve (711) and the collar (714) are slidably connected. The outer wall of the threaded sleeve (711) is equipped with a slider (715), and the inner ring wall of the collar (714) is vertically provided with a slide rail (716), which is slidably connected to the slider (715).

8. The sample placement assembly for a concrete temperature-controlled curing device as described in claim 7, characterized in that: The drive mechanism (7) also includes two racks (73), which are located in two slide grooves (61) respectively. The racks (73) are slidably connected to the inner bottom wall of the slide grooves (61) and are used to slide along the length direction of the slide grooves (61). The outer wall of the threaded rod (712) is connected to a first gear (72). The rack (73) is meshed with two first gears (72) at both ends of the slide groove (61). The rack (73) is also meshed with a second gear (75). One end of the second gear (75) is equipped with a drive rod (74). The other end of the drive rod (74) is rotatably connected to the inner bottom wall of the slide groove (61). A drive element is also installed on the fixed seat (6). The drive element has two control ends, which drive the two drive rods (74) to rotate respectively. The ultrasonic level gauge is electrically connected to the drive element.

9. A control method for a sample placement assembly in a concrete temperature-controlled curing equipment, characterized in that: The sample placement assembly for a concrete temperature-controlled curing device according to any one of claims 1-8 comprises the following specific steps: Within a preset time period, the water level value in each liquid storage chamber (51) is obtained in real time by an ultrasonic level gauge. Based on the water level values ​​of each liquid storage chamber (51), the overflow condition of the concrete sample support surface (31) is determined, and then the adjustment operation of at least one push end (41) on the drive component (4) is carried out accordingly.

10. The control method for a sample placement assembly in a concrete temperature-controlled curing equipment as described in claim 9, characterized in that: The specific steps include: Within a preset time period, the number of times the highest water level is reached in each liquid storage chamber (51) is obtained by an ultrasonic level gauge. The overflow condition of the concrete sample support surface (31) is determined based on the number of times the highest water level is reached in each liquid storage chamber (51), and then the adjustment operation of at least one push end (41) on the drive component (4) is carried out accordingly.

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