CN110687014A - Building concrete mortar detection system and detection method thereof - Google Patents
Building concrete mortar detection system and detection method thereof Download PDFInfo
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- CN110687014A CN110687014A CN201911020618.3A CN201911020618A CN110687014A CN 110687014 A CN110687014 A CN 110687014A CN 201911020618 A CN201911020618 A CN 201911020618A CN 110687014 A CN110687014 A CN 110687014A
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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Abstract
The invention discloses a building concrete mortar detection system, which comprises a mortar container box body, wherein a consistency detector capable of ascending and descending up and down is arranged above the mortar container box body; the consistency detector comprises a vertical ring cylinder, a movable ring sleeve is movably sleeved on the outer side of the ring cylinder coaxially, and the movable ring sleeve can move up and down along the axis of the ring cylinder; a standard cone with a downward tip is coaxially arranged below the annular cylinder; the plumb lines are of flexible structures, the plumb lines can be instantly bent by descending motion of the movable ring sleeve at the same time, and the standard cone instantly loses upward tension after the plumb lines are instantly bent at the same time, so that the standard cone is in a suspended state, and the problem that the detection precision is influenced by sliding resistance generated by a traditional mode of loosening a bolt to release a sliding rod is solved.
Description
Technical Field
The invention belongs to the field of concrete 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 high-precision building concrete mortar detection system and a detection method thereof.
The technical scheme is as follows: in order to achieve the purpose, the building concrete mortar detection system comprises a mortar container box body, wherein a consistency detector capable of ascending and descending is arranged above the mortar container box body;
the consistency detector comprises a vertical ring cylinder, a movable ring sleeve is movably sleeved on the outer side of the ring cylinder coaxially, and the movable ring sleeve can move up and down along the axis of the ring cylinder; a standard cone with a downward tip is coaxially arranged below the annular cylinder; the upper end of each plumb line is in a circumferential array and is uniformly and fixedly connected with the lower end profile of the movable ring sleeve, and the upper end profile of the standard cone is in a circumferential array and is uniformly and fixedly connected with the lower end of each plumb line; the upward movement of the movable ring sleeve can drive the standard cone to synchronously move upwards through a plurality of plumb lines.
Furthermore, each plumb line is a high molecular polyethylene flexible fiber with the diameter less than 1.5 mm.
Furthermore, a vertical linear motor is fixedly supported and installed on one side of the upper end of the ring column body through a plurality of first supporting beams, a linear push rod of the linear motor extends downwards, the tail end of the linear push rod is fixedly connected with the movable ring sleeve through a plurality of second supporting beams, and the linear motor drives the movable ring sleeve to move up and down relative to the ring column body through the linear push rod; the ring cylinder body is provided with distance scale marks along the length direction, and the movable ring sleeve can be obtained through the distance scale marks and is arranged on the ring cylinder body in the axial direction.
The lifting device is provided with a lifting block capable of lifting up and down, and the lifting block is fixedly connected with the shell of the linear motor through a plurality of third supporting cross beams; the lifting motion of the lifting block can drive the linear motor and the movable ring sleeve to synchronously move up and down.
Further, a communicating groove is hollowed in the side wall of the ring column body along the length direction, a vertical first rack is integrally connected to the inner side of the movable ring sleeve, and the first rack extends along the length direction of the communicating groove; a vertical movable channel is arranged inside the annular column body, and a second rack is arranged in the movable channel along the length direction; a gear is rotatably mounted in the communicating groove, the gear is positioned between the first rack and the second rack, the first rack and the second rack are meshed and connected with the gear, and the gear enables the first rack and the second rack to do relative motion with opposite motion directions and equal speed; a vertically through guide hole is vertically formed in the top wall body of the annular cylinder body, an upwardly extending guide post is fixedly connected to the upper end of the second rack, and the guide post movably penetrates through the guide hole;
the positioning cone body can be inserted into the conical groove downwards coaxially, so that the conical surface of the positioning cone body is attached to the inner wall surface of the conical groove; a plurality of first air vents are uniformly distributed on the conical surface of the positioning cone, a plurality of second air vents are uniformly distributed on the top surface of the positioning cone, and the first air vents are communicated with the second air vents through air guide channels in the positioning cone; the upper end axle center department fixedly connected with of location cone upwards extends the connecting rod, the upper end fixed connection of connecting rod the lower extreme of second rack.
Furthermore, a sliding platform is arranged on the upper side of the mortar container box body along the length direction, and side edges are arranged on two sides of the sliding platform along the length direction;
a recovery cavity and a detection cavity are sequentially arranged in the mortar container box body from left to right along the length direction; the standard cone is positioned right above the detection cavity; the upper ends of the recovery cavity and the detection cavity are provided with openings on the sliding platform; the rectangular leveling frame is horizontally arranged on the sliding platform in a sliding mode, slides between the two side edges and can slide along the extending direction of the side edges; a frame opening is formed in the leveling frame of the rectangular leveling frame, the rectangular leveling frame can sequentially horizontally slide to be right above the detection cavity and to be right above the recovery cavity, and when the rectangular leveling frame horizontally slides to be right above the detection cavity, the outline of the frame opening is overlapped with the outline of the opening at the upper end of the detection cavity;
furthermore, the cross beams on two sides of the rectangular floating frame are two parallel sliding rails, the extending direction of the sliding rails is consistent with the extending direction of the side edges, sliding blocks are arranged in the two sliding rails in a sliding mode, and a driving device can drive the sliding blocks to horizontally displace along the sliding rails; a vertical motor is arranged above a frame opening of the rectangular flattening frame, an output shaft of the motor extends downwards into the 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 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 motor.
Further, the working method of the building concrete mortar detection system comprises the following steps:
preparation process before detection: controlling the rectangular leveling frame to horizontally slide along the sliding platform until the rectangular leveling frame horizontally slides right above the detection cavity, and the outline of the frame opening is superposed with the outline of the opening at the upper end of the detection cavity; gradually feeding the concrete mixture mortar into the detection cavity until the detection cavity is completely filled with the mortar, and then continuously feeding a certain amount of mortar to ensure that the liquid level of the mortar in the detection cavity is higher than the table top of the sliding platform, so that the liquid level of the mortar in the detection cavity is positioned in the frame opening of the rectangular troweling frame; then stopping blanking;
then the motor is controlled to rotate the output shaft, so that the plurality of stirring paddles start to continuously stir the mortar in the detection cavity, meanwhile, the driving device drives the two sliding blocks to slide back and forth along the length direction of the sliding platform, so that the output shaft rotates and also performs back and forth horizontal translational displacement, and the concrete and the water in the detection cavity are uniformly mixed;
after the mortar in the cavity to be detected is uniformly mixed, the liquid level of the 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 sliding track, so that the output shaft translates to the right end of the detection cavity, and then the sliding of the two sliding blocks is suspended and locked; then the rectangular leveling frame is controlled to horizontally and slowly slide leftwards along the sliding platform, a frame opening of the rectangular leveling frame is gradually separated from an upper end opening of the detection cavity leftwards, the left end of the frame opening starts to correspond to the recovery cavity along with the continuous leftward translation of the rectangular leveling frame, and mortar in the frame opening gradually leaks downwards into the recovery cavity from left to right along with the continuous leftward translation of the rectangular leveling frame; the mortar liquid level which is horizontally scraped leftwards becomes horizontal and flat, and the mortar liquid level is as high as that of the sliding platform; when the output shaft moves to the left end of the detection cavity, the output shaft moves to the left end of the detection cavity along with the rectangular floating frame; at the moment, the surface of the mortar liquid on the detection cavity is level and flat, so that the requirement of consistency detection is met;
and (3) detection process: controlling a linear motor, controlling a linear push rod to upwards drive a movable ring sleeve and a first rack to synchronously and slowly move upwards along a ring cylinder, and enabling the upward displacement of the movable ring sleeve to synchronously and slowly move upwards a standard cone through a plurality of plumb lines; meanwhile, the upward displacement of the first rack can enable the second rack to displace downwards through the gear, the downward displacement of the second rack enables the positioning cone to be inserted into the conical groove coaxially downwards, the positioning cone is inserted into the conical groove coaxially downwards to prevent the standard cone from continuously displacing upwards, and each plumb line is in a stretched state, at the moment, the conical surface of the positioning cone is attached to the inner wall surface of the conical groove, and the positioning cone is matched with the constraint action of a plurality of plumb lines to enable the standard cone to be completely positioned without shaking; at the moment, the linear motor is controlled to pause, so that the movable ring sleeve stops moving;
then the lifting device is controlled, so that the ring cylinder, the linear motor and the movable ring sleeve are driven
The standard cone and the standard cone synchronously move downwards until the tip of the lower end of the standard cone just contacts the mortar liquid level on the detection cavity; at the moment, the position of the movable ring sleeved on the axis direction of the ring column body is recorded through the scale marks on the ring column body for the first time;
at the moment, the linear motor is restarted and timing is carried out for the first time, so that the linear push rod drives the movable ring sleeve and the first rack to move downwards for a certain distance along the ring cylinder body synchronously at an acceleration which is greater than the acceleration of gravity, and then the linear motor is stopped; the descending movement of the movable ring sleeve is ensured to be faster than the falling speed of the standard cone, because each plumb line is of a flexible structure, the descending movement of the movable ring sleeve can enable each plumb line to be simultaneously and instantly bent, the standard cone instantly loses the upward tension after each plumb line is simultaneously and instantly bent, meanwhile, the positioning cone can rapidly move upwards under the linkage action of the gear, so that the positioning cone is upwards and instantly separated from the conical groove, and because of the existence of each first vent hole and each second vent hole, the positioning cone cannot have an upward pulling effect on the standard cone due to the negative pressure effect at the moment when the conical surface of the positioning cone is separated from the conical groove; the standard cone body at the moment is in a suspended state, the suspended standard cone body instantaneously makes free falling motion under the action of gravity, the standard cone body starts to gradually sink downwards into the mortar liquid surface on the detection cavity along with the tip end of the standard cone body, the linear motor is restarted after the preset time, the linear push rod is enabled to upwards and slowly drive the movable ring sleeve to upwards and slowly displace along the ring cylinder body, the plumb line in each bending state is gradually changed into a plumb state from a bending state, the linear motor is stopped when each plumb line just recovers the plumb state, the movable ring sleeve is stopped to displace, the time difference between the second timing and the first timing is the sinking time of the standard cone body sinking into the mortar liquid surface, and the time difference between the second timing and the first timing is controlled to be the specified time in the operation process; meanwhile, the position of the movable ring sleeved on the axis direction of the ring column body is recorded through the scale marks on the ring column body for the second time; recording the height difference between the position of the movable ring sleeve for the first time and the position of the movable ring sleeve for the second time, wherein 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 plumb lines are of flexible structures, the plumb lines can be instantly bent by descending motion of the movable ring sleeve at the same time, and the standard cone instantly loses upward tension after the plumb lines are instantly bent at the same time, so that the standard cone is in a suspended state at the moment, and the problem that the detection precision is influenced by sliding resistance generated by a traditional mode of loosening a bolt to release a sliding rod is solved; due to the existence of the first vent holes and the second vent holes, the positioning cone body does not have an upward pulling effect on the standard cone body due to the negative pressure effect at the moment that the conical surface of the positioning cone body is separated from the conical groove, so that the detection result is prevented from being interfered; and the liquid level of the mortar is leveled before consistency detection is carried out, so that the detection precision is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the apparatus;
FIG. 2 is an overall side view of the apparatus;
FIG. 3 is a schematic structural view of a consistency detector;
FIG. 4 is a schematic view showing the movable ring sleeve, the ring cylinder and the plumb line;
FIG. 5 is a cross-sectional view of FIG. 4;
FIG. 6 is an enlarged partial schematic view of FIG. 5;
FIG. 7 is a schematic view of the lower portion of FIG. 4;
FIG. 8 is a schematic view of the positioning cone separated from the standard cone;
FIG. 9 is a schematic view of a positioning cone;
FIG. 10 is a schematic structural view of the second rack, the connecting rod and the positioning cone.
FIG. 11 is a schematic structural view of a mortar container box;
fig. 12 is a disassembled exploded view of fig. 11.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The building concrete mortar detection system shown in the attached figures 1 to 12 comprises a mortar container box body 8, wherein a consistency detector capable of ascending and descending is arranged above the mortar container box body 8;
the consistency detector comprises a vertical ring cylinder 57, a movable ring sleeve 53 is coaxially and movably sleeved on the outer side of the ring cylinder 57, and the movable ring sleeve 53 can move up and down along the axis of the ring cylinder 57; a standard cone 63 with a downward pointed end is coaxially arranged below the annular cylinder 57; the vertical lines 70 are distributed along the axis of the ring cylinder 57 in a circumferential array, the upper end of each vertical line 70 is uniformly distributed in a circumferential array and fixedly connected with the lower end profile of the movable ring sleeve 53, and the upper end profile of the standard cone 63 is uniformly distributed in a circumferential array and connected with the lower end of each vertical line; the upward movement of the movable ring 53 drives the standard cone 63 to move upward synchronously via the plumb lines 70.
Each of the plumb lines 70 is a high molecular polyethylene flexible fiber having a diameter of less than 1.5 mm.
A vertical linear motor 51 is fixedly supported and installed on one side of the upper end of the ring column body 57 through a plurality of first supporting beams 52, a linear push rod 56 of the linear motor 51 extends downwards, the tail end of the linear push rod 56 is fixedly connected with the movable ring sleeve 53 through a plurality of second supporting beams 52, and the linear motor 51 drives the movable ring sleeve 53 to move up and down relative to the ring column body 57 through the linear push rod 56; the ring cylinder 57 is provided with distance scale marks along the length direction, and the position of the movable ring sleeve 53 in the axial direction of the ring cylinder 57 can be obtained through the distance scale marks.
The lifting device 54 is provided with a lifting block 58 capable of lifting up and down, and the lifting block 58 is fixedly connected with the shell of the linear motor 51 through a plurality of third supporting cross beams 50; the lifting motion of the lifting block 58 can drive the linear motor 51 and the movable ring 53 to synchronously move up and down.
The side wall of the ring column body 57 is provided with a communication groove 61 in a hollowed-out manner along the length direction, the inner side of the movable ring sleeve 53 is integrally connected with a vertical first rack 66, and the first rack 66 extends along the length direction of the communication groove 61; the interior of the annular cylinder 57 is a vertical movable channel 60, and a second rack 65 is arranged in the movable channel 60 along the length direction; a gear 69 is rotatably mounted in the communication groove 61, the gear 69 is positioned between the first rack 66 and the second rack 65, the first rack 66 and the second rack 65 are both meshed with the gear 69, and the gear 69 enables the first rack 66 and the second rack 65 to make relative movement with opposite movement directions and equal speed; a vertically through guide hole 68 is vertically formed in the top wall body of the annular cylinder 57, an upwardly extending guide post 67 is fixedly connected to the upper end of the second rack 65, and the guide post 67 movably penetrates through the guide hole 68;
the top end axis of the standard cone 63 is coaxially provided with a conical groove 74 with a downward tip, and the positioning cone 75 is adapted to the inner wall of the conical groove 74, and the positioning cone 75 can be just coaxially inserted downwards into the conical groove 74, so that the conical surface of the positioning cone 75 is attached to the inner wall of the conical groove 74; a plurality of first air vents 73 are uniformly distributed on the conical surface of the positioning cone 75, a plurality of second air vents 72 are uniformly distributed on the top surface of the positioning cone 75, and each first air vent 73 is communicated with each second air vent 72 through an air guide channel in the positioning cone 75; the upper end axis of the positioning cone 75 is fixedly connected with a connecting rod 62 extending upwards, and the upper end of the connecting rod 62 is fixedly connected with the lower end of the second rack 65.
A sliding platform 13 is arranged on the upper side of the mortar container box body 8 along the length direction, and side edges 2 are arranged on two sides of the sliding platform 13 along the length direction;
a recovery cavity 43 and a detection cavity 44 are sequentially arranged in the mortar container box body 8 from left to right along the length direction; the standard cone 63 is located directly above the detection chamber 44; the upper ends of the recovery chamber 43 and the detection chamber 44 are opened on the sliding platform 13; the multifunctional leveling device is characterized by further comprising a rectangular leveling frame 10, wherein the rectangular leveling frame 10 is horizontally arranged on the sliding platform 13 in a sliding mode, the rectangular leveling frame 10 slides between the two side edges 2, and the rectangular leveling frame 10 can slide along the extending direction of the side edges 2; a frame opening 49 is formed in the rectangular flattening frame 10, the rectangular flattening frame 10 can sequentially horizontally slide to a position right above the detection cavity 44 and a position right above the recovery cavity 43, and when the rectangular flattening frame 10 horizontally slides to a position right above the detection cavity 44, the outline of the frame opening 49 is overlapped with the outline of an opening at the upper end of the detection cavity 44;
the cross beams on two sides of the rectangular flattening frame 10 are two parallel sliding rails 3, the extending direction of the sliding rails 3 is consistent with the extending direction of the side edges 2, sliding blocks 18 are arranged in the two sliding rails 3 in a sliding mode, and a driving device can drive the sliding blocks 18 to horizontally displace along the sliding rails 3; a vertical motor 16 is arranged above a frame opening 49 of the rectangular flattening frame 10, an output shaft 48 of the motor 16 extends downwards into the 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 motor 16 shell, and the tail ends of the two motor supporting beams 15 are respectively fixedly connected with the two sliding blocks 18 through the two supporting seats 9; the translational displacement of the two sliders 18 can drive the translational displacement of the motor 16.
The working method and working principle of the device are organized as follows:
preparation process before detection: controlling the rectangular flattening frame 10 to horizontally slide along the sliding platform 13 until the rectangular flattening frame 10 horizontally slides to a position right above the detection cavity 44, and the contour of the frame opening 49 is overlapped with the contour of the opening at the upper end of the detection cavity 44; gradually discharging the concrete mixture mortar into the detection cavity 44 until the detection cavity 44 is completely filled with the mortar, and then continuously discharging a certain amount of mortar, so that the liquid level of the mortar in the detection cavity 44 is higher than the table surface of the sliding platform 13, and further the liquid level of the mortar in the detection cavity 44 is positioned in the frame opening of the rectangular flattening frame 10; then stopping blanking;
then the motor 16 is controlled to rotate the output shaft 48, so that the plurality of stirring paddles 46 start to continuously stir the mortar in the detection cavity 44, and meanwhile, the driving device also drives the two sliding blocks 18 to slide back and forth along the length direction of the sliding platform 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 detection cavity 44 are uniformly mixed;
after the mortar in the cavity 44 to be detected is uniformly mixed, the liquid level of the cavity 44 is in an uneven state due to the fact that the mortar is a paste with a large consistency; at this time, the two sliding blocks 18 are controlled to move rightwards to the right end of the slide rail 3, so that the output shaft 48 translates to the right end of the detection cavity 44, and then the sliding of the two sliding blocks 18 is suspended and locked; then the rectangular leveling frame 10 is controlled to horizontally and slowly slide leftwards along the sliding platform 13, the frame opening 49 of the rectangular leveling frame 10 is gradually separated from the upper end opening of the detection cavity 44 leftwards, the left end of the frame opening 49 starts to correspond to the recovery cavity 43 along with the continuous leftward translation of the rectangular leveling frame 10, and mortar in the frame opening 49 gradually leaks downwards into the recovery cavity 43 from left to right along with the continuous leftward translation of the rectangular leveling frame 10; meanwhile, the right frame beam 10.1 of the rectangular leveling frame 10 scrapes the mortar higher than the sliding platform 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 platform 13; the translation of the rectangular flattening frame 10 is suspended until the right frame beam 10.1 of the rectangular flattening frame 10 is displaced to the left end of the detection cavity 44 along with the continuous leftward translation of the rectangular flattening frame 10, and at this time, the output shaft 48 is also displaced to the left end of the detection cavity 44 along with the rectangular flattening frame 10; at this time, the mortar liquid surface on the detection cavity 44 is level and flat, so as to meet the requirement of consistency detection;
and (3) detection process: controlling the linear motor 51, controlling the linear push rod 56 to upwards drive the movable ring sleeve 53 and the first rack 66 to synchronously and slowly move upwards along the ring column body 57, and synchronously moving the standard cone 63 upwards and slowly through a plurality of plumb lines 70 by the upward displacement of the movable ring sleeve 53; meanwhile, the upward displacement of the first rack 66 enables the second rack 65 to displace downwards through the gear 69, the downward displacement of the second rack 65 enables the positioning cone 75 to be coaxially inserted downwards into the conical groove 74, the positioning cone 75 is coaxially inserted downwards into the conical groove 74, the standard cone 63 is prevented from continuously displacing upwards, and each plumb line 70 is in a stretched state, at the moment, the conical surface of the positioning cone 75 is attached to the inner wall surface of the conical groove 74, and the positioning cone 75 is matched with the constraint action of a plurality of plumb lines to enable the standard cone 63 to be completely positioned, so that the shaking phenomenon cannot occur; at this time, the linear motor 51 is controlled to pause, so that the movable ring sleeve 53 stops moving;
then the lifting device 54 is controlled, so that the ring cylinder 57, the linear motor 51 and the movable ring sleeve 53 are driven
Synchronously moves downwards with the standard cone 63 until the tip of the lower end of the standard cone 63 just contacts the mortar liquid level on the detection cavity 44; at the moment, the position of the movable ring sleeve 53 in the axial direction of the ring cylinder 57 is recorded through the scale marks on the ring cylinder 57 for the first time;
at this time, the linear motor 51 is restarted and timing is performed for the first time, so that the linear push rod 56 drives the movable ring sleeve 53 and the first rack 66 downwards to move downwards for a certain distance along the ring column 57 synchronously at an acceleration higher than the acceleration of gravity, and then the linear motor 51 is stopped; the descending movement of the movable ring sleeve 53 is faster than the falling speed of the standard cone 63, because each plumb line 70 is of a flexible structure, the descending movement of the movable ring sleeve 53 can enable each plumb line 70 to be simultaneously and instantly bent, each plumb line 70 is simultaneously and instantly bent, and then the standard cone 63 instantly loses the upward tension, and meanwhile, the positioning cone 75 can rapidly move upwards under the linkage action of the gear 69, so that the positioning cone 75 is separated from the conical groove 74 instantly upwards, and due to the existence of each first vent hole 73 and each second vent hole 73, the positioning cone 75 cannot have an upward pulling effect on the standard cone 63 due to the negative pressure effect at the moment that the conical surface of the positioning cone 75 is separated from the conical groove 74; so that the standard cone 63 is in a suspended state, and the suspended standard cone 63 performs free falling motion under the action of gravity instantly, and then gradually falls into the mortar liquid surface on the detection cavity 44 along with the tip of the standard cone 63, after the preset time, the linear motor 51 is restarted, so that the linear push rod 56 upwards slowly drives the movable ring sleeve 53 to upwards and slowly move along the ring column body 57, at the moment, the plumb line 70 in each bending state gradually changes from a bending state to a plumb state, when the plumb line 70 is just recovered to the plumb state, the linear motor 51 is suspended to make the movable ring sleeve 53 suspend displacement, at this time, the second time is recorded, the time difference between the second timing and the first timing is the sinking time of the standard cone 63 sinking into the mortar liquid level, controlling the time difference between the second timing and the first timing to a specified time during the operation process; meanwhile, the position of the movable ring sleeve 53 in the axial direction of the ring cylinder 57 is recorded for the second time through the scale marks on the ring cylinder 57; recording the height difference between the position of the movable ring sleeve 53 for the first time and the position of the movable ring sleeve 53 for the second time, namely the sinking depth of the standard cone 28 to 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. The building concrete mortar detection system comprises a mortar container box body (8), wherein a consistency detector capable of ascending and descending up and down is arranged above the mortar container box body (8);
the method is characterized in that: the consistency detector comprises a vertical ring cylinder (57), a movable ring sleeve (53) is movably sleeved on the outer side of the ring cylinder (57) coaxially, and the movable ring sleeve (53) can move up and down along the axis of the ring cylinder (57); a standard cone (63) with a downward pointed end is coaxially arranged below the annular cylinder (57); the vertical lines (70) are distributed in a circumferential array along the axis of the ring column body (57), the upper end of each vertical line (70) is uniformly distributed in a circumferential array and fixedly connected with the lower end profile of the movable ring sleeve (53), and the upper end profile of the standard cone (63) is uniformly distributed in a circumferential array and connected with the lower end of each vertical line; the upward movement of the movable ring sleeve (53) can drive the standard cone (63) to synchronously move upwards through a plurality of plumb lines (70).
2. The building concrete mortar detection system of claim 1, wherein: and each plumb line (70) is a high molecular polyethylene flexible fiber with the diameter less than 1.5 mm.
3. The building concrete mortar detection system of claim 1, wherein: one side of the upper end of the ring column body (57) is fixedly supported and provided with a vertical linear motor (51) through a plurality of first supporting beams (52), a linear push rod (56) of the linear motor (51) extends downwards, the tail end of the linear push rod (56) is fixedly connected with the movable ring sleeve (53) through a plurality of second supporting beams (52), and the linear motor (51) drives the movable ring sleeve (53) to move up and down relative to the ring column body (57) through the linear push rod (56); the ring column body (57) is provided with distance scale marks along the length direction, and the position of the movable ring sleeve (53) in the shaft direction of the ring column body (57) can be obtained through the distance scale marks.
4. The building concrete mortar detection system of claim 3, wherein: the lifting device is characterized by further comprising vertical lifting equipment (54), wherein a lifting block (58) capable of lifting up and down is arranged on the lifting equipment (54), and the lifting block (58) is fixedly connected with a shell of the linear motor (51) through a plurality of third supporting cross beams (50); the lifting motion of the lifting block (58) can drive the linear motor (51) and the movable ring sleeve (53) to synchronously move up and down.
5. The building concrete mortar detection system according to claim 4, wherein: the side wall of the ring column body (57) is provided with a communication groove (61) in a hollowed-out mode along the length direction, the inner side of the movable ring sleeve (53) is integrally connected with a vertical first rack (66), and the first rack (66) extends along the length direction of the communication groove (61); a vertical movable channel (60) is arranged inside the annular column body (57), and a second rack (65) is arranged in the movable channel (60) along the length direction; a gear (69) is rotatably mounted in the communication groove (61), the gear (69) is positioned between the first rack (66) and the second rack (65), the first rack (66) and the second rack (65) are meshed and connected with the gear (69), and the gear (69) enables the first rack (66) and the second rack (65) to move relatively in opposite directions and at equal speeds; a vertically through guide hole (68) is vertically formed in the top wall body of the annular column body (57), an upward extending guide column (67) is fixedly connected to the upper end of the second rack (65), and the guide column (67) movably penetrates through the guide hole (68);
the top end axis of the standard cone (63) is coaxially provided with a conical groove (74) with a downward pointed end, the positioning cone (75) is matched with the inner wall of the conical groove (74), the positioning cone (75) can be just inserted into the conical groove (74) coaxially and downwards, and the conical surface of the positioning cone (75) is attached to the inner wall surface of the conical groove (74); a plurality of first air vents (73) are uniformly distributed on the conical surface of the positioning cone (75), a plurality of second air vents (72) are uniformly distributed on the top surface of the positioning cone (75), and each first air vent (73) is communicated with each second air vent (72) through an air guide channel in the positioning cone (75); the upper end axle center department fixedly connected with of location cone (75) upwards extends connecting rod (62), the upper end fixed connection of connecting rod (62) the lower extreme of second rack (65).
6. The building concrete mortar detection system of claim 5, wherein: a sliding platform (13) is arranged on the upper side of the mortar container box body (8) along the length direction, and side edges (2) are arranged on two sides of the sliding platform (13) along the length direction;
a recovery cavity (43) and a detection cavity (44) are sequentially arranged in the mortar container box body (8) from left to right along the length direction; the standard cone (63) is located directly above the detection chamber (44); the upper ends of the recovery cavity (43) and the detection cavity (44) are opened on the sliding platform (13); the multifunctional leveling device is characterized by further comprising a rectangular leveling frame (10), wherein the rectangular leveling frame (10) is horizontally arranged on the sliding platform (13) in a sliding mode, the rectangular leveling frame (10) slides between the two side edges (2), and the rectangular leveling frame (10) can slide along the extending direction of the side edges (2); be frame mouth (49) in the floating frame of rectangle floating frame (10), rectangle floating frame (10) can be in proper order the horizontal slip to detect directly over chamber (44) and retrieve directly over chamber (43), when rectangle floating frame (10) horizontal slip is directly over detecting chamber (44), frame mouth (49) profile with detect chamber (44) upper end opening profile coincidence.
7. The building concrete mortar detection system of claim 6, wherein: the cross beams on two sides of the rectangular flattening frame (10) are two parallel sliding rails (3), the extending direction of the sliding rails (3) is consistent with the extending direction of the side edges (2), sliding blocks (18) are arranged in the two sliding rails (3) in a sliding mode, and a driving device can drive the sliding blocks (18) to horizontally displace along the sliding rails (3); a vertical motor (16) is arranged above a frame opening (49) of the rectangular flattening frame (10), an output shaft (48) of the motor (16) extends downwards into the 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 motor (16) shell, and the tail ends of the two motor supporting beams (15) are respectively fixedly connected with the two sliding blocks (18) through the two supporting seats (9); the translational displacement of the two sliding blocks (18) can drive the translational displacement of the motor (16).
8. The method of operating a building concrete mortar detection system according to claim 7, characterized in that:
preparation process before detection: controlling the rectangular flattening frame (10) to horizontally slide along the sliding platform (13) until the rectangular flattening frame (10) horizontally slides to a position right above the detection cavity (44), and the outline of the frame opening (49) is overlapped with the outline of the opening at the upper end of the detection cavity (44); gradually feeding the concrete mixture mortar into the detection cavity (44) until the detection cavity (44) is completely filled with the mortar, and then continuously feeding a certain amount of mortar to enable the mortar liquid level in the detection cavity (44) to be higher than the table surface of the sliding platform (13), so that the mortar liquid level in the detection cavity (44) is located in the frame opening of the rectangular leveling frame (10); then stopping blanking;
then the motor (16) is controlled to rotate the output shaft (48), so that the plurality of stirring paddles (46) start to continuously stir the mortar in the detection cavity (44), meanwhile, the driving device also drives the two sliding blocks (18) to slide back and forth along the length direction of the sliding platform (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 detection cavity (44) are uniformly mixed;
after the mortar in the cavity (44) to be detected is uniformly mixed, the liquid level of the 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 sliding track (3) to enable the output shaft (48) to move horizontally to the right end of the detection cavity (44), and then the sliding of the two sliding blocks (18) is suspended and locked; then the rectangular leveling frame (10) is controlled to horizontally and slowly slide leftwards along the sliding platform (13), a frame opening (49) of the rectangular leveling frame (10) is gradually separated from an upper end opening of the detection cavity (44) leftwards, the left end of the frame opening (49) starts to correspond to the recovery cavity (43) along with the continuous leftward translation of the rectangular leveling frame (10), and mortar in the frame opening (49) gradually leaks downwards into the recovery cavity (43) from left to right along with the continuous leftward translation of the rectangular leveling frame (10); meanwhile, the right frame beam (10.1) of the rectangular leveling frame (10) scrapes the mortar higher than the sliding platform (13) leftwards, the mortar liquid level horizontally and leftwards scraped by the right frame beam (10.1) becomes horizontal and level, and the mortar liquid level is as high as the sliding platform (13); the translation of the rectangular flattening frame (10) is suspended until a right frame beam (10.1) of the rectangular flattening frame (10) is displaced to the left end of the detection cavity (44) along with the continuous leftward translation of the rectangular flattening frame (10), and at the moment, the output shaft (48) is also displaced to the left end of the detection cavity (44) along with the rectangular flattening frame (10); at the moment, the mortar liquid surface on the detection cavity (44) is level and flat, so that the requirement of consistency detection is met;
and (3) detection process: the linear motor (51) is controlled, the linear push rod (56) is controlled to upwards drive the movable ring sleeve (53) and the first rack (66) to synchronously upwards and slowly move along the ring column body (57), and the upward displacement of the movable ring sleeve (53) can synchronously drive the standard cone (63) to upwards and slowly displace through a plurality of plumb lines (70); meanwhile, the upward displacement of the first rack (66) enables the second rack (65) to displace downwards through the gear (69), the downward displacement of the second rack (65) enables the positioning cone (75) to be coaxially inserted downwards into the conical groove (74), the positioning cone (75) is coaxially inserted downwards into the conical groove (74) to prevent the standard cone (63) from continuously displacing upwards, and each plumb line (70) is in a stretched straight state, at the moment, the conical surface of the positioning cone (75) is attached to the inner wall surface of the conical groove (74), and the positioning cone (75) is matched with the constraint action of a plurality of plumb lines to enable the standard cone (63) to be completely positioned without shaking; at the moment, the linear motor (51) is controlled to pause, so that the movable ring sleeve (53) stops moving;
then controlling a lifting device (54) to further enable the ring cylinder body (57), the linear motor (51), the movable ring sleeve (53) and the standard cone (63) to synchronously displace downwards until the tip of the lower end of the standard cone (63) just contacts the mortar liquid level on the detection cavity (44); at the moment, the position of the movable ring sleeve (53) in the axial direction of the ring cylinder body (57) is recorded through the scale marks on the ring cylinder body (57) for the first time;
at the moment, the linear motor (51) is restarted and timing is carried out for the first time, so that the linear push rod (56) drives the movable ring sleeve (53) and the first rack (66) to move downwards for a certain distance along the ring column body (57) synchronously at an acceleration higher than the acceleration of gravity, and then the linear motor (51) is halted; ensures that the descending movement of the movable ring sleeve (53) is faster than the descending speed of the standard cone (63), because each plumb line (70) is a flexible structure, the descending motion of the movable ring sleeve (53) can cause each plumb line (70) to be simultaneously and instantly bent, and each plumb line (70) is simultaneously and instantly bent to cause the standard cone (63) to instantly lose the pull-up force, meanwhile, the positioning cone (75) can also rapidly move upwards under the linkage action of the gear (69), so that the positioning cone (75) is separated from the conical groove (74) upwards instantly, due to the existence of the first vent holes (73) and the second vent holes (73), the positioning cone (75) does not have an upward pulling effect on the standard cone (63) due to the negative pressure effect at the moment that the conical surface of the positioning cone (75) is separated from the conical groove (74); further, the standard cone (63) is in a suspension state at the moment, and then the suspension standard cone (63) performs free falling motion under the action of gravity instantly, and then gradually falls into the mortar liquid level on the detection cavity (44) along with the gradual falling of the tip of the standard cone (63), after the preset time, the linear motor (51) is restarted, so that the linear push rod (56) upwards slowly drives the movable ring sleeve (53) to upwards and slowly move along the ring column body (57), at the moment, the plumb line (70) in each bending state gradually changes from a bending state to a plumb state, when each plumb line (70) just recovers the plumb state, the linear motor (51) is suspended to enable the movable ring sleeve (53) to suspend displacement, and at the moment, the second time recording is carried out, the time difference between the second timing and the first timing is the sinking time of the standard cone (63) sinking into the mortar liquid level, controlling the time difference between the second timing and the first timing to a specified time during the operation process; meanwhile, the position of the movable ring sleeve (53) in the axial direction of the ring cylinder body (57) is recorded through the scale marks on the ring cylinder body (57) for the second time; recording the height difference between the position of the movable ring sleeve (53) for the first time and the position of the movable ring sleeve (53) for the second time, wherein 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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| CN201911020618.3A CN110687014A (en) | 2019-10-25 | 2019-10-25 | Building concrete mortar detection system and detection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115078178A (en) * | 2022-07-29 | 2022-09-20 | 河南神通新型建材有限公司 | Dynamic monitor for concrete consistency of vehicle and consistency control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115078178A (en) * | 2022-07-29 | 2022-09-20 | 河南神通新型建材有限公司 | Dynamic monitor for concrete consistency of vehicle and consistency control system |
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