CN110702561A - Building concrete consistency detection system and building concrete detection method thereof - Google Patents
Building concrete consistency detection system and building concrete detection method thereof Download PDFInfo
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- CN110702561A CN110702561A CN201911020723.7A CN201911020723A CN110702561A CN 110702561 A CN110702561 A CN 110702561A CN 201911020723 A CN201911020723 A CN 201911020723A CN 110702561 A CN110702561 A CN 110702561A
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- 238000001514 detection method Methods 0.000 title claims abstract description 131
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 112
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 230000001174 ascending effect Effects 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 22
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 230000000452 restraining effect Effects 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 14
- 238000013519 translation Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000013305 flexible fiber Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 238000010276 construction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/12—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring rising or falling speed of the body; by measuring penetration of wedged gauges
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Abstract
The invention discloses a building concrete consistency detection system which comprises a support, wherein a concrete mortar sample containing box is supported and arranged on the support; a consistency detector capable of ascending and descending is arranged above the concrete mortar sample accommodating box, and a standard cone capable of sinking into the mortar liquid level in the concrete mortar sample accommodating box is arranged on the consistency detector; the mortar level detection device is simple in structure, and the detection precision is improved by leveling the mortar level before consistency detection.
Description
Technical Field
The invention belongs to the field of concrete consistency detection.
Background
The consistency of concrete mortar has important influence on the difficulty degree of construction; the consistency of concrete mortar is generally that a standard cone is sunk into the depth of mortar mixture within a specified time; the mortar consistency test is mainly used for measuring the consistency of the used mortar before building construction, determining the mixing proportion or controlling the mortar consistency in the construction process, thereby achieving the purpose of controlling water consumption;
the existing consistency detection device has the phenomenon that the liquid level of mortar is uneven and fluctuates in the measurement process to influence the detection precision, and meanwhile, the standard cone is also influenced by the sliding resistance of other constraint devices such as a sliding rod connected with the cone and the like in the sinking process to influence the final detection precision; meanwhile, the existing detection mechanism can generate resistance in the process of releasing the standard cone, so that the detection precision of the detection mechanism is influenced.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a building concrete consistency detection system and a building concrete detection method thereof.
The technical scheme is as follows: in order to achieve the aim, the building concrete consistency detection system comprises a support, wherein a concrete mortar sample containing box is supported and arranged on the support; a consistency detector capable of ascending and descending is arranged above the concrete mortar sample containing box, and a standard cone capable of sinking into the mortar liquid level in the concrete mortar sample containing box is arranged on the consistency detector.
Furthermore, the concrete mortar sample containing box is of a long rectangular box structure, a sliding table is integrally arranged on the upper side of the concrete mortar sample containing box along the length direction, and guide strips are symmetrically integrally arranged on two sides of the sliding table along the length direction;
a square receiving cavity and a long rectangular detection cavity are sequentially arranged in the concrete mortar sample containing box from left to right along the length direction; the upper ends of the square receiving cavity and the long rectangular detection cavity are provided with openings on the sliding table; the concrete mortar sample containing box is characterized in that a floating device is arranged on the sliding table in a sliding mode and can be used for floating the mortar liquid level at the opening at the upper end of the concrete mortar sample containing box.
Furthermore, the floating device comprises a rectangular frame body, the rectangular frame body is horizontally arranged on the sliding table in a sliding mode, the rectangular frame body slides between the two guide bars, and the rectangular frame body can slide along the extending direction of the guide bars; the rectangular frame body is internally provided with a frame opening, the rectangular frame body can sequentially horizontally slide right above the long rectangular detection cavity and right above the square receiving cavity, and when the rectangular frame body horizontally slides right above the long rectangular detection cavity, the outline of the frame opening is superposed with the outline of an opening at the upper end of the long rectangular detection cavity.
Further, a linear push rod motor is arranged below the sliding table along the length direction; a pull rod extending leftwards is fixedly connected to a left end cross beam of the rectangular frame body, and the tail end of a linear push rod of the linear push rod motor is fixedly connected with the tail end of the pull rod through a connecting piece; the linear push rod motor drives the rectangular frame body to horizontally slide along the sliding table through a linear push rod.
Furthermore, the cross beams on two sides of the rectangular frame body are two parallel guide rails, the extending direction of the guide rails is consistent with the extending direction of the guide strips, sliding blocks are arranged in the two guide rails in a sliding mode, and the driving device can drive the sliding blocks to horizontally displace along the guide rails; a vertical stirring motor is arranged above a frame opening of the rectangular frame body, an output shaft of the stirring motor extends downwards into the long rectangular detection cavity, and a plurality of stirring paddles extending towards two sides are arranged on the output shaft; motor supporting beams are symmetrically fixed on two sides of the stirring motor shell, and the tail ends of the two motor supporting beams are fixedly connected with the two sliding blocks through two supporting seats respectively; the translational displacement of the two sliding blocks can drive the translational displacement of the stirring motor.
Further, the consistency detector comprises a lifting motor arranged on one side of the concrete mortar sample accommodating box, and a lifting rod of the lifting motor extends upwards; the vertical detection cylinder is arranged above the concrete mortar sample containing box; the detection cylinder is fixedly connected with the top end of the lifting rod through a plurality of cylinder body supporting cross beams, the detection cylinder moves up and down along with the lifting rod, and the standard cone is coaxial with the lower end in the detection cylinder.
Furthermore, the tip of the standard cone is vertically arranged downwards, the upper end of the standard cone is coaxially connected with a thick guide rod, the upper end of the thick guide rod is coaxially and fixedly connected with a thin guide rod, and the rod diameter of the thin guide rod is smaller than that of the thick guide rod; the lead hammer line is made of high polymer polyethylene flexible fiber, and the upper end of the thin guide rod is connected with the lower end of the lead hammer line in a hanging mode; the upper end of the plumb line is coaxially connected with a limiting disc body, the upper end of the limiting disc body is coaxially connected with a measuring rod, and the measuring rod is provided with length scale marks along the length direction; the upper end of the measuring rod is fixedly provided with a spring baffle disc with the same axle center; an observation window is arranged on one side of the detection cylinder;
the top of the detection cylinder is provided with a top wall body, the axis of the top wall body is coaxially provided with a guide cylinder, and the measuring rod coaxially slides through a cylinder channel in the guide cylinder; the measuring rod is sleeved with a return spring, the return spring is positioned between the spring baffle disc and the top wall body, and the upper side surface of the limiting disc body is in contact with the guide cylinder under the upward elastic jacking action of the spring;
one side of the detection cylinder is fixedly connected with a vertical push rod motor through a plurality of transverse support rods, the top end of a vertical push rod of the push rod motor is fixedly connected with a lifting beam, a lower pressing head is arranged on the lower side of the tail end of the lifting beam and corresponds to the position right above the spring retaining disc, and the push rod motor can drive the lower pressing head to move downwards through the lifting beam and downwardly press the spring retaining disc;
the upper end of the thick guide rod is coaxially sleeved with a positioning ring, the inner wall of the positioning ring is in sliding fit with the thick guide rod, and the positioning ring is integrally connected with the inner wall of the detection cylinder through a plurality of first supports; a thin rod restraining ring is coaxially sleeved on the thin guide rod, and the inner diameter of the inner wall of the restraining ring of the thin rod restraining ring is larger than the rod diameter of the thin guide rod; the thin rod restraining ring is integrally connected with the inner wall of the detection cylinder through a plurality of second supports.
Further, the working method of the building concrete consistency detection system comprises the following steps:
the method comprises the following steps:
the method comprises the following steps that firstly, a linear push rod motor is controlled, the rectangular frame body is driven to horizontally slide along a sliding table through a linear push rod until the rectangular frame body horizontally slides to a position right above a long rectangular detection cavity, and the outline of a frame opening is overlapped with the outline of an opening at the upper end of the long rectangular detection cavity;
step two, gradually feeding water and concrete mixture mortar in a preset proportion into the long rectangular detection cavity until the long rectangular detection cavity is completely filled with the mortar, and then continuously feeding a certain amount of water and concrete mixture mortar to enable the mortar liquid level in the long rectangular detection cavity to be higher than the table top of the sliding table, so that the mortar liquid level in the long rectangular detection cavity is located in the frame opening of the rectangular frame body; then stopping blanking;
controlling a stirring motor to rotate an output shaft, so that a plurality of stirring paddles start to continuously stir the concrete mortar in the long rectangular detection cavity, and simultaneously driving two sliding blocks to slide back and forth along the length direction of the sliding table by a driving device, so that the output shaft also performs back and forth horizontal translational displacement while rotating, and the concrete and the water in the long rectangular detection cavity are uniformly mixed;
after the concrete mortar in the long rectangular detection cavity is uniformly mixed, the liquid level of the long rectangular detection cavity is in an uneven state due to the fact that the mortar is a paste with a large consistency; at the moment, the two sliding blocks are controlled to move rightwards to the right end of the guide rail, so that the output shaft translates to the right end of the long rectangular detection cavity, and then the sliding of the two sliding blocks is suspended and locked; then controlling a linear push rod motor, driving a rectangular frame body to horizontally slide leftwards slowly along the sliding table through a linear push rod, enabling a frame opening of the rectangular frame body to be separated from an opening at the upper end of the long rectangular detection cavity leftwards gradually, enabling the left end of the frame opening to start to correspond to the square receiving cavity along with the continuous leftward translation of the rectangular frame body, and enabling mortar in the frame opening to gradually leak into the square receiving cavity from left to right along with the continuous leftward translation of the rectangular frame body; meanwhile, the right frame beam of the rectangular frame body scrapes the concrete mortar higher than the sliding table leftwards, the mortar liquid level horizontally and leftwards scraped by the right frame beam becomes horizontal and flat, and the mortar liquid level is as high as the sliding table; the translation of the rectangular frame body is suspended until the right frame beam of the rectangular frame body is displaced to the left end of the long rectangular detection cavity along with the continuous leftward translation of the rectangular frame body, and at the moment, the output shaft is also displaced to the left end of the long rectangular detection cavity along with the rectangular frame body; the surface of the mortar liquid on the long rectangular detection cavity is level and flat, so that the requirement of consistency detection is met;
controlling a lifting motor to enable a detection cylinder to gradually descend, and enabling the tip of a standard cone to just contact the mortar liquid level on the long rectangular detection cavity;
step six, starting a push rod motor, enabling a vertical push rod to drive a lower pressure head to rapidly press a spring baffle disc downwards, starting timing for the first time when the lower pressure head contacts the lower spring baffle disc, further enabling the spring baffle disc, a measuring rod and a limiting disc body to synchronously displace downwards, enabling the acceleration of the downward displacement of the spring baffle disc, the measuring rod and the limiting disc body to be higher than the gravity acceleration g, ensuring that the descending motion of the spring baffle disc, the measuring rod and the limiting disc body is always faster than the falling speed of a standard cone body, because a plumb line is of a flexible structure, the downward displacement of the spring baffle disc, the measuring rod and the limiting disc body enables a plumb line to be bent, the bending of the plumb line enables the standard cone body to lose upward tension instantly, further the standard cone body does free falling motion under the action of gravity, further enables the tip of the standard cone body to gradually sink into the mortar liquid level on a long rectangular detection cavity downwards, and a thick guide rod is separated from a positioning ring after the standard cone, the outer wall of the thin guide rod is not contacted with the positioning ring and the inner wall of the thin rod restraining ring in the falling process of the standard cone; therefore, the standard conical body only can be subjected to the resistance of the mortar falling into the liquid level in the falling process, the phenomenon of sliding resistance of the traditional guide rod is avoided, and the detection accuracy is improved; the lower pressing head is controlled to slowly start to move upwards after the preset time, the spring baffle disc, the measuring rod and the limiting disc body slowly move upwards under the action of the reset spring, so that the plumb line in the bending state gradually becomes the plumb state, the downward displacement of the lower pressing head is suspended when the plumb line just recovers the plumb state, the time difference between the second timing and the first timing is the sinking time of the standard cone sinking into the liquid level of the mortar, and the time difference between the second timing and the first timing is controlled to the specified time in the operation process; meanwhile, the height difference of the measuring rod relative to the initial state is recorded through the scale marks, and the height difference is the sinking depth of the standard cone sinking into the mortar liquid level; the depth of the standard cone sinking into the mortar within a specified time is the mortar consistency.
Has the advantages that: the mortar liquid level leveling device is simple in structure, the mortar liquid level is leveled before consistency detection is carried out, so that the detection precision is improved, the flexible structure of the plumb line enables the plumb line to bend to enable the standard cone to lose the upward pulling force instantly, the standard cone does free falling motion under the action of gravity, the tip of the standard cone starts to sink downwards into the mortar liquid level on the long rectangular detection cavity gradually, the thick guide rod is separated from the positioning ring after the standard cone starts to move downwards, and the outer wall of the thin guide rod is not in contact with the positioning ring and the inner wall of the thin rod restraining ring in the falling process of the standard cone; therefore, the standard cone only can be subjected to the resistance of the falling mortar liquid level, the phenomenon of sliding resistance of the traditional guide rod is avoided, and the detection accuracy is improved.
Drawings
FIG. 1 is a schematic view of the overall first structure of the apparatus;
FIG. 2 is a second overall structural schematic of the apparatus;
FIG. 3 is a schematic view of a floating device on a sliding table;
FIG. 4 is a disassembled exploded view of FIG. 3;
FIG. 5 is a schematic structural view of a consistency detector;
FIG. 6 is a schematic view of the cutaway structure of FIG. 5;
FIG. 7 is a schematic sectional view of the upper part of the consistency detector;
FIG. 8 is a schematic view of a standard cone structure;
FIG. 9 is a schematic view of a standard cone, a thick guide bar, a thin guide bar, a plumb line, and a measuring bar;
fig. 10 is a schematic sectional view of a thick guide bar and a thin guide bar.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The building concrete consistency detection system shown in the attached fig. 1 to 10 comprises a support 7, wherein a concrete mortar sample accommodating box 8 is supported on the support 7; a consistency detector capable of ascending and descending is arranged above the concrete mortar sample accommodating box 8, and a standard cone 28 capable of sinking into the mortar liquid level in the concrete mortar sample accommodating box 8 is arranged on the consistency detector.
The concrete mortar sample containing box 8 is of a long rectangular box structure, a sliding table 13 is integrally arranged on the upper side of the concrete mortar sample containing box 8 along the length direction, and guide strips 2 are symmetrically integrally arranged on two sides of the sliding table 13 along the length direction;
a square receiving cavity 43 and a long rectangular detection cavity 44 are sequentially arranged in the concrete mortar sample containing box 8 from left to right along the length direction; the upper ends of the square receiving cavity 43 and the long rectangular detection cavity 44 are opened on the sliding table 13; a floating device is arranged on the sliding table 13 in a sliding mode and can be used for floating the mortar liquid level at the opening at the upper end of the concrete mortar sample containing box 8.
The floating device comprises a rectangular frame body 10, the rectangular frame body 10 is horizontally arranged on the sliding table 13 in a sliding mode, the rectangular frame body 10 slides between the two guide bars 2, and the rectangular frame body 10 can slide along the extending direction of the guide bars 2; the rectangular frame 10 is provided with a frame opening 49 inside, the rectangular frame 10 can sequentially horizontally slide right above the long rectangular detection cavity 44 and right above the square receiving cavity 43, and when the rectangular frame 10 horizontally slides right above the long rectangular detection cavity 44, the outline of the frame opening 49 is overlapped with the outline of the opening at the upper end of the long rectangular detection cavity 44.
A linear push rod motor 6 is arranged below the sliding table 13 along the length direction; a pull rod 1 extending leftwards is fixedly connected to a left end cross beam of the rectangular frame body 10, and the tail end of a linear push rod 4 of the linear push rod motor 6 is fixedly connected with the tail end of the pull rod 1 through a connecting piece 5; the linear push rod motor 6 drives the rectangular frame body 10 to horizontally slide along the sliding table 13 through the linear push rod 4.
The cross beams on two sides of the rectangular frame body 10 are two parallel guide rails 3, the extending direction of the guide rails 3 is consistent with the extending direction of the guide strips 2, sliding blocks 18 are arranged in the two guide rails 3 in a sliding manner, and a driving device can drive the sliding blocks 18 to horizontally displace along the guide rails 3; a vertical stirring motor 16 is arranged above a frame opening 49 of the rectangular frame body 10, an output shaft 48 of the stirring motor 16 extends downwards into the long rectangular detection cavity 44, and a plurality of stirring paddles 46 extending towards two sides are arranged on the output shaft 48; motor supporting beams 15 are symmetrically fixed on two sides of the shell of the stirring motor 16, and the tail ends of the two motor supporting beams 15 are fixedly connected with the two sliding blocks 18 through the two supporting seats 9 respectively; the translational displacement of the two slide blocks 18 can drive the translational displacement of the stirring motor 16.
The consistency detector comprises a lifting motor 11 arranged on one side of the concrete mortar sample accommodating box 8, and a lifting rod 12 of the lifting motor 11 extends upwards; the device also comprises a vertical detection cylinder 9 above the concrete mortar sample containing box 8; the detection cylinder 9 is fixedly connected with the top end of the lifting rod 12 through a plurality of cylinder body supporting beams 14, the detection cylinder 9 moves up and down along with the lifting rod 12, and the standard cone 28 is coaxial with the lower end in the detection cylinder 9.
The tip 28.1 of the standard cone 28 is arranged vertically downwards, the upper end of the standard cone 28 is coaxially connected with a thick guide rod 26, the upper end of the thick guide rod 26 is coaxially and fixedly connected with a thin guide rod 22, and the rod diameter of the thin guide rod 22 is smaller than that of the thick guide rod 26; the device also comprises a plumb line 31, wherein the plumb line 31 is made of high polymer polyethylene flexible fiber materials, and the upper end of the thin guide rod 22 is connected with the lower end of the plumb line 31 in a hanging manner; the upper end of the plumb line 31 is coaxially connected with a limiting disc body 39, the upper end of the limiting disc body 39 is coaxially connected with a measuring rod 32, and length scale marks are arranged on the measuring rod 32 along the length direction; the upper end of the measuring rod 32 is fixedly provided with a spring stop disc 36 coaxially; an observation window 37 is arranged on one side of the detection cylinder 9;
the top of the detection cylinder 9 is provided with a top wall body 41, the axis of the top wall body 41 is coaxially provided with a guide cylinder 38, and the measuring rod 32 coaxially slides through an inner cylinder channel 40 in the guide cylinder 38; a return spring 42 is sleeved on the measuring rod 32, the return spring 42 is positioned between the spring baffle disc 36 and the top wall body 41, and under the upward elastic jacking action of the spring 42, the upper side surface of the limiting disc body 39 contacts the guide cylinder 38;
one side of the detection cylinder 9 is fixedly connected with a vertical push rod motor 111 through a plurality of transverse support rods 114, the top end of a vertical push rod 110 of the push rod motor 111 is fixedly connected with a lifting beam 35, a lower pressing head 34 is arranged on the lower side of the tail end of the lifting beam 35, the lower pressing head 34 corresponds to the position right above the spring retaining disc 36, and the push rod motor 111 can drive the lower pressing head 34 to move downwards through the lifting beam 35 and downwards press the spring retaining disc 36;
the upper end of the thick guide rod 26 is coaxially sleeved with a positioning ring 24, the inner wall 27 of the positioning ring 24 is in sliding fit with the thick guide rod 26, and the positioning ring 24 is integrally connected with the inner wall of the detection barrel 9 through a plurality of first supports 29; a thin rod restraining ring 20 is coaxially sleeved on the thin guide rod 22, and the inner diameter of a restraining ring inner wall 23 of the thin rod restraining ring 20 is larger than the rod diameter of the thin guide rod 22; the thin rod restraining ring 20 is integrally connected with the inner wall of the detection cylinder 9 through a plurality of second brackets 21.
The working method and the working principle of the building concrete consistency detection system are as follows:
the method comprises the following steps:
step one, controlling a linear push rod motor 6, driving the rectangular frame body 10 to horizontally slide along the sliding table 13 through a linear push rod 4 until the rectangular frame body 10 horizontally slides to a position right above the long rectangular detection cavity 44, and at the moment, the outline of the frame opening 49 is overlapped with the outline of the opening at the upper end of the long rectangular detection cavity 44;
step two, gradually feeding water and concrete mixture mortar in a preset proportion into the long rectangular detection cavity 44 until the long rectangular detection cavity 44 is completely filled with the mortar, and then continuously feeding a certain amount of water and concrete mixture mortar to enable the mortar liquid level in the long rectangular detection cavity 44 to be higher than the table surface of the sliding table 13, so that the mortar liquid level in the long rectangular detection cavity 44 is located in the frame opening of the rectangular frame body 10; then stopping blanking;
step three, controlling the stirring motor 16 to rotate the output shaft 48, so that the plurality of stirring paddles 46 start to continuously stir the concrete mortar in the long rectangular detection cavity 44, and simultaneously, the driving device also drives the two sliding blocks 18 to slide back and forth along the length direction of the sliding table 13, so that the output shaft 48 also makes back and forth horizontal translational displacement while rotating, and further the concrete and the water in the long rectangular detection cavity 44 are uniformly mixed;
step four, after the concrete mortar in the long rectangular detection cavity 44 is uniformly mixed, the liquid level of the long rectangular detection cavity 44 is in an uneven state due to the fact that the mortar is a paste with a large consistency; at the moment, the two sliding blocks 18 are controlled to move rightwards to the right end of the guide rail 3, so that the output shaft 48 translates to the right end of the long rectangular detection cavity 44, and then the sliding of the two sliding blocks 18 is suspended and locked; then controlling a linear push rod motor 6, driving a rectangular frame body 10 to horizontally slide leftwards slowly along the sliding table 13 through a linear push rod 4, enabling a frame opening 49 of the rectangular frame body 10 to be separated from an opening at the upper end of a long rectangular detection cavity 44 leftwards gradually, enabling the left end of the frame opening 49 to start to correspond to a square receiving cavity 43 along with the continuous leftward translation of the rectangular frame body 10, and enabling mortar in the frame opening 49 to gradually leak into the square receiving cavity 43 from left to right along with the continuous leftward translation of the rectangular frame body 10; meanwhile, the right frame beam 10.1 of the rectangular frame body 10 scrapes the concrete mortar higher than the sliding table 13 leftwards, the mortar liquid level horizontally scraped leftwards by the right frame beam 10.1 becomes horizontal and flat, and the mortar liquid level is as high as the sliding table 13; the translation of the rectangular frame body 10 is suspended until the right frame beam 10.1 of the rectangular frame body 10 is displaced to the left end of the long rectangular detection cavity 44 along with the continuous leftward translation of the rectangular frame body 10, and at this time, the output shaft 48 is also displaced to the left end of the long rectangular detection cavity 44 along with the rectangular frame body 10; the mortar liquid surface on the long rectangular detection cavity 44 is level and flat, so that the consistency detection requirement is met;
step five, controlling the lifting motor 11 to enable the detection cylinder 9 to gradually descend, and enabling the tip 28.1 of the standard cone 28 to just contact the mortar liquid level on the long rectangular detection cavity 44;
step six, starting a push rod motor 111, enabling a vertical push rod 110 to drive a lower pressure head 34 to rapidly press down a spring baffle disc 36, starting timing for the first time when the lower pressure head 34 contacts the lower pressure spring baffle disc 36, further enabling the spring baffle disc 36, a measuring rod 32 and a limiting disc body 39 to synchronously move downwards, enabling the acceleration of the downward displacement of the spring baffle disc 36, the measuring rod 32 and the limiting disc body 39 to be higher than the gravity acceleration g, ensuring that the descending motion of the spring baffle disc 36, the measuring rod 32 and the limiting disc body 39 is always faster than the falling speed of a standard cone 28, because a plumb line 31 is a flexible structure, the downward displacement of the spring baffle disc 36, the measuring rod 32 and the limiting disc body 39 enables the plumb line 31 to be bent, the bending of the plumb line 31 enables the standard cone 28 to instantly lose the upward tension, further the standard cone 28 makes free falling motion under the action of gravity, further enabling the tip of the standard cone 28 to gradually sink into the mortar liquid level on a long rectangular detection cavity 44, the thick guide rod 26 is already separated from the positioning ring 24 after the standard cone 28 starts to move downwards, and the outer wall of the thin guide rod 22 is not contacted with the positioning ring 24 and the inner wall of the thin rod restraining ring 20 during the falling process of the standard cone 28; therefore, the standard cone 28 only bears the resistance of the immersed mortar liquid surface in the falling process, the phenomenon of sliding resistance of the traditional guide rod is avoided, and the detection accuracy is improved; the lower pressing head 34 is controlled to slowly start to move upwards after the preset time, the spring baffle disc 36, the measuring rod 32 and the limiting disc body 39 can slowly move upwards under the action of the return spring 42, so that the plumb line 31 in the bending state gradually becomes the plumb state, when the plumb line 31 just recovers the plumb state, the lower pressing head 34 stops moving downwards and carries out second time recording, the time difference between the second time recording and the first time recording is the sinking time of the standard cone 28 sinking into the mortar liquid level, and the time difference between the second time recording and the first time recording is controlled to the specified time in the operation process; meanwhile, the height difference of the measuring rod 32 relative to the initial state is recorded through the scale marks, and the height difference is the sinking depth of the standard cone 28 sinking into the mortar liquid level; the depth of the standard cone 28 sinking into the mortar in a specified time is the mortar consistency.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (8)
1. Building concrete consistency detecting system, its characterized in that: the concrete mortar sample storage box comprises a support (7), wherein a concrete mortar sample storage box (8) is supported on the support (7); a consistency detector capable of ascending and descending is arranged above the concrete mortar sample containing box (8), and a standard cone (28) capable of sinking into the mortar liquid level in the concrete mortar sample containing box (8) is arranged on the consistency detector.
2. The building concrete consistency detection system of claim 1, wherein: the concrete mortar sample containing box (8) is of a long rectangular box structure, a sliding table (13) is integrally arranged on the upper side of the concrete mortar sample containing box (8) along the length direction, and guide strips (2) are symmetrically and integrally arranged on two sides of the sliding table (13) along the length direction;
a square receiving cavity (43) and a long rectangular detection cavity (44) are sequentially arranged in the concrete mortar sample containing box (8) from left to right along the length direction; the upper ends of the square receiving cavity (43) and the long rectangular detection cavity (44) are opened on the sliding table (13); the sliding table (13) is provided with a floating device in a sliding mode, and the floating device can be used for floating the mortar liquid level at the opening at the upper end of the concrete mortar sample containing box (8).
3. The building concrete consistency detection system of claim 2, wherein: the floating device comprises a rectangular frame body (10), the rectangular frame body (10) is horizontally arranged on the sliding table (13) in a sliding mode, the rectangular frame body (10) slides between the two guide bars (2), and the rectangular frame body (10) can slide along the extending direction of the guide bars (2); be frame mouth (49) in the framework of rectangle framework (10), rectangle framework (10) can be in proper order the horizontal slip to long rectangle detect directly over chamber (44) and square material receiving chamber (43) directly over, and when rectangle framework (10) horizontal slip detected directly over chamber (44) to long rectangle, frame mouth (49) profile with long rectangle detects chamber (44) upper end opening profile coincidence.
4. The building concrete consistency detection system of claim 3, wherein: a linear push rod motor (6) is arranged below the sliding table (13) along the length direction; a pull rod (1) extending leftwards is fixedly connected to a left end cross beam of the rectangular frame body (10), and the tail end of a linear push rod (4) of the linear push rod motor (6) is fixedly connected with the tail end of the pull rod (1) through a connecting piece (5); the linear push rod motor (6) drives the rectangular frame body (10) to horizontally slide along the sliding table (13) through the linear push rod (4).
5. The building concrete consistency detection system of claim 4, wherein: the cross beams on two sides of the rectangular frame body (10) are two parallel guide rails (3), the extending direction of the guide rails (3) is consistent with the extending direction of the guide strips (2), sliding blocks (18) are arranged in the two guide rails (3) in a sliding mode, and a driving device can drive the sliding blocks (18) to horizontally displace along the guide rails (3); a vertical stirring motor (16) is arranged above a frame opening (49) of the rectangular frame body (10), an output shaft (48) of the stirring motor (16) extends downwards into the long rectangular detection cavity (44), and a plurality of stirring paddles (46) extending towards two sides are arranged on the output shaft (48); motor supporting beams (15) are symmetrically fixed on two sides of a shell of the stirring motor (16), and the tail ends of the two motor supporting beams (15) are fixedly connected with the two sliding blocks (18) through the two supporting seats (9) respectively; the translational displacement of the two sliding blocks (18) can drive the translational displacement of the stirring motor (16).
6. The building concrete consistency detection system of claim 5, wherein: the consistency detector comprises a lifting motor (11) arranged on one side of the concrete mortar sample accommodating box (8), and a lifting rod (12) of the lifting motor (11) extends upwards; the device also comprises a detection cylinder (9) which is vertically arranged above the concrete mortar sample containing box (8); detect a section of thick bamboo (9) through a plurality of barrel supporting beam (14) with lifter (12) top fixed connection, it follows to detect a section of thick bamboo (9) lifter (12) displacement from top to bottom, standard cone (28) with the axle center in detect the lower extreme in a section of thick bamboo (9).
7. The building concrete consistency detection system of claim 6, wherein: the tip (28.1) of the standard cone (28) is arranged vertically downwards, the upper end of the standard cone (28) is coaxially connected with a thick guide rod (26), the upper end of the thick guide rod (26) is coaxially and fixedly connected with a thin guide rod (22), and the rod diameter of the thin guide rod (22) is smaller than that of the thick guide rod (26); the lead hammer wire (31) is made of high polymer polyethylene flexible fiber, and the upper end of the thin guide rod (22) is connected with the lower end of the lead hammer wire (31) in a hanging manner; the upper end of the plumb line (31) is coaxially connected with a limiting disc body (39), the upper end of the limiting disc body (39) is coaxially connected with a measuring rod (32), and the measuring rod (32) is provided with length scale marks along the length direction; the upper end of the measuring rod (32) is coaxially and fixedly provided with a spring stop disc (36); an observation window (37) is arranged on one side of the detection cylinder (9);
a top wall body (41) is arranged at the top of the detection barrel (9), a guide barrel (38) is coaxially arranged at the axis of the top wall body (41), and the measuring rod (32) coaxially slides through an in-barrel channel (40) in the guide barrel (38); a return spring (42) is sleeved on the measuring rod (32), the return spring (42) is positioned between the spring baffle disc (36) and the top wall body (41), and under the upward elastic jacking action of the spring (42), the upper side surface of the limiting disc body (39) is in contact with the guide cylinder (38);
one side of the detection cylinder (9) is fixedly connected with a vertical push rod motor (111) through a plurality of transverse support rods (114), the top end of a vertical push rod (110) of the push rod motor (111) is fixedly connected with a lifting beam (35), a lower pressure head (34) is arranged on the lower side of the tail end of the lifting beam (35), the lower pressure head (34) corresponds to the position right above the spring baffle disc (36), and the push rod motor (111) can drive the lower pressure head (34) to move downwards through the lifting beam (35) and press the spring baffle disc (36) downwards;
the upper end of the thick guide rod (26) is coaxially sleeved with a positioning ring (24), the inner wall (27) of the positioning ring (24) is in sliding fit with the thick guide rod (26), and the positioning ring (24) is integrally connected with the inner wall of the detection barrel (9) through a plurality of first supports (29); a thin rod restraining ring (20) is coaxially sleeved on the thin guide rod (22), and the inner diameter of the inner wall (23) of the restraining ring (20) is larger than the rod diameter of the thin guide rod (22); the thin rod restraining ring (20) is integrally connected with the inner wall of the detection cylinder (9) through a plurality of second supports (21).
8. The method of operating a building concrete consistency detection system as claimed in claim 7, wherein:
the method comprises the following steps:
the method comprises the following steps that firstly, a linear push rod motor (6) is controlled, the rectangular frame body (10) is driven to horizontally slide along a sliding table (13) through a linear push rod (4) until the rectangular frame body (10) horizontally slides to a position right above a long rectangular detection cavity (44), and the outline of a frame opening (49) is overlapped with the outline of an opening at the upper end of the long rectangular detection cavity (44);
step two, gradually feeding water and concrete mixture mortar in a preset proportion into the long rectangular detection cavity (44) until the long rectangular detection cavity (44) is completely filled with the mortar, and then continuously feeding a certain amount of water and concrete mixture mortar to enable the mortar liquid level in the long rectangular detection cavity (44) to be higher than the table top of the sliding table (13), so that the mortar liquid level in the long rectangular detection cavity (44) is located in the frame opening of the rectangular frame body (10); then stopping blanking;
thirdly, controlling a stirring motor (16) to rotate an output shaft (48) so as to enable a plurality of stirring paddles (46) to start to continuously stir the concrete mortar in the long rectangular detection cavity (44), and simultaneously driving a driving device to drive two sliding blocks (18) to slide back and forth along the length direction of a sliding table (13), so that the output shaft (48) rotates and also makes back and forth horizontal translational displacement, and the concrete and the water in the long rectangular detection cavity (44) are uniformly mixed;
after the concrete mortar in the long rectangular detection cavity (44) is uniformly mixed, the liquid level of the long rectangular detection cavity (44) is in an uneven state due to the fact that the mortar is a paste with a large consistency; at the moment, the two sliding blocks (18) are controlled to move rightwards to the right end of the guide rail (3) to enable the output shaft (48) to move horizontally to the right end of the long rectangular detection cavity (44), and then the sliding of the two sliding blocks (18) is suspended and locked; then a linear push rod motor (6) is controlled, a rectangular frame body (10) is driven to horizontally slide leftwards slowly along the sliding table (13) through a linear push rod (4), a frame opening (49) of the rectangular frame body (10) is separated from an upper end opening of a long rectangular detection cavity (44) leftwards gradually, the left end of the frame opening (49) starts to correspond to a square receiving cavity (43) along with the continuous leftward translation of the rectangular frame body (10), and mortar in the frame opening (49) gradually leaks downwards into the square receiving cavity (43) from left to right along with the continuous leftward translation of the rectangular frame body (10); meanwhile, the right frame beam (10.1) of the rectangular frame body (10) scrapes the concrete mortar higher than the sliding table (13) leftwards, the mortar liquid level which is horizontally and leftwards scraped by the right frame beam (10.1) becomes horizontal and flat, and the mortar liquid level is as high as the sliding table (13); the translation of the rectangular frame body (10) is suspended until a right frame beam (10.1) of the rectangular frame body (10) is displaced to the left end of the long rectangular detection cavity (44) along with the continuous leftward translation of the rectangular frame body (10), and at the moment, the output shaft (48) is also displaced to the left end of the long rectangular detection cavity (44) along with the rectangular frame body (10); the surface of the mortar liquid on the long rectangular detection cavity (44) is level and flat, so that the requirement of consistency detection is met;
controlling a lifting motor (11) to enable a detection cylinder (9) to gradually descend, and enabling the tip (28.1) of a standard cone (28) to just contact the mortar liquid level on a long rectangular detection cavity (44);
step six, a push rod motor (111) is started, a vertical push rod (110) drives a lower pressure head (34) to rapidly press a spring baffle disc (36) downwards, timing is started for the first time when the lower pressure head (34) contacts the lower pressing spring baffle disc (36), so that the spring baffle disc (36), a measuring rod (32) and a limiting disc body (39) synchronously move downwards, the acceleration of the downward displacement of the spring baffle disc (36), the measuring rod (32) and the limiting disc body (39) is higher than the gravity acceleration g, the descending movement of the spring baffle disc (36), the measuring rod (32) and the limiting disc body (39) is guaranteed to be always faster than the falling speed of a standard cone (28), because a plumb line (31) is of a flexible structure, the plumb line (31) moves downwards to enable the plumb line (31) to bend, and the bending of the plumb line (31) enables the standard cone (28) to instantly lose upward tension, the standard cone (28) is free to fall under the action of gravity, so that the tip of the standard cone (28) gradually sinks downwards into the mortar liquid level on the long rectangular detection cavity (44), the thick guide rod (26) is separated from the positioning ring (24) after the standard cone (28) starts to move downwards, and the outer wall of the thin guide rod (22) is not in contact with the positioning ring (24) and the inner wall of the thin rod restraining ring (20) in the falling process of the standard cone (28); therefore, the standard cone (28) only bears the resistance of the immersed mortar liquid surface in the falling process, the phenomenon of sliding resistance of the traditional guide rod is avoided, and the detection accuracy is improved; the lower pressure head (34) is controlled to slowly start to move upwards after the preset time, the spring baffle disc (36), the measuring rod (32) and the limiting disc body (39) can slowly move upwards under the action of the return spring (42), further, the plumb line (31) in the bending state gradually becomes the plumb state, when the plumb line (31) just restores the plumb state, the lower pressure head (34) is stopped to move downwards and the second time is recorded, the time difference between the second time and the first time is the sinking time of the standard cone (28) sinking into the mortar liquid level, and the time difference between the second time and the first time is controlled to the specified time in the operation process; meanwhile, the height difference of the measuring rod (32) relative to the initial state is recorded through the scale marks, and the height difference is the sinking depth of the standard cone (28) sinking into the mortar liquid level; the depth of the standard cone (28) sinking into the mortar within a specified time is the mortar consistency.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911020723.7A CN110702561A (en) | 2019-10-25 | 2019-10-25 | Building concrete consistency detection system and building concrete detection method thereof |
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| CN201911020723.7A CN110702561A (en) | 2019-10-25 | 2019-10-25 | Building concrete consistency detection system and building concrete detection method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118090520A (en) * | 2024-04-23 | 2024-05-28 | 江苏中涂联装饰材料有限公司 | Consistency detection device and method for exterior wall coating |
| CN119086351A (en) * | 2024-09-02 | 2024-12-06 | 枣庄矿业(集团)济宁岱庄煤业有限公司 | An online detection device and method for consistency of mine filling paste |
-
2019
- 2019-10-25 CN CN201911020723.7A patent/CN110702561A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118090520A (en) * | 2024-04-23 | 2024-05-28 | 江苏中涂联装饰材料有限公司 | Consistency detection device and method for exterior wall coating |
| CN118090520B (en) * | 2024-04-23 | 2024-08-27 | 江苏中涂联装饰材料有限公司 | Consistency detection device and method for exterior wall coating |
| CN119086351A (en) * | 2024-09-02 | 2024-12-06 | 枣庄矿业(集团)济宁岱庄煤业有限公司 | An online detection device and method for consistency of mine filling paste |
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Application publication date: 20200117 |