CN112557636A - Computer-controlled concrete slump detection device and control method - Google Patents
Computer-controlled concrete slump detection device and control method Download PDFInfo
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- CN112557636A CN112557636A CN202011330856.7A CN202011330856A CN112557636A CN 112557636 A CN112557636 A CN 112557636A CN 202011330856 A CN202011330856 A CN 202011330856A CN 112557636 A CN112557636 A CN 112557636A
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 238000007789 sealing Methods 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 20
- 238000011010 flushing procedure Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 14
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- 230000009286 beneficial effect Effects 0.000 description 7
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- 238000010586 diagram Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
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- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
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- 239000011425 bamboo Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
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- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- 239000004575 stone Substances 0.000 description 1
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The invention relates to the field of concrete slump detection devices, in particular to a computer-controlled concrete slump detection device and a control method. Including control system and mounting plate, the last mounting bracket that is equipped with fixed connection with it of mounting plate, its characterized in that: the upper end of mounting bracket is equipped with the collecting hopper, the collecting hopper exit is equipped with articulated end cover with it, be equipped with the control mechanism of control collecting hopper export switching on the sealed end cover, the mounting plate top is equipped with concrete forming device, concrete forming device is including the telescopic cylinder and the left half cone bucket and the right half cone bucket that the symmetry set up of symmetry. This technical scheme is used for solving when carrying out concrete slump and detecting, because the concrete has certain viscidity, easily causes the problem of influence to the concrete shaping when moving away the awl bucket to and the artifical concrete shaping height of observing can produce the error, make the not accurate problem of calculation result of concrete slump.
Description
Technical Field
The invention relates to the field of concrete slump detection devices, in particular to a computer-controlled concrete slump detection device and a control method.
Background
Concrete is a generic term for engineering composites where aggregates are cemented into a whole by cementitious materials. The term concrete generally refers to cement as the cementing material and sand and stone as the aggregate; the cement concrete is obtained by mixing with water according to a certain proportion, vibrating, forming and curing, and is also called as common concrete with or without additives and admixtures, and is widely applied to civil engineering. Slump, diffusivity, workability and other parameters are main performance parameters of the concrete, and the slump mainly refers to the plasticizing performance and pumpability of the concrete. The current slump test method is as follows: a trumpet-shaped slump test barrel is used for filling concrete, tamping is carried out, then the barrel is pulled up, the concrete generates a slump phenomenon due to self weight, the height of the highest point of the collapsed concrete is subtracted by the height of the barrel, and the slump is obtained.
Chinese patent with publication number CN202330419U discloses a slump test device convenient to steady loading, it includes the whole test bucket body that is round platform form, and the inside cavity structure that is of test bucket body, up end and lower terminal surface are all opened be provided with two handles on the outside lateral wall of test bucket body, be provided with two footboards on the bottom of test bucket body, still including the feed hopper who is independent of test bucket body, be provided with cylindric grafting structure at the lower terminal surface of feed hopper.
The Chinese patent with publication number CN211426497U discloses a slump testing device convenient for stable loading, which comprises a base and a concrete slump measuring cylinder, wherein a movable pressing plate is also arranged on a bottom plate, and a measuring cylinder fixing clamping plate is arranged on the outer side wall of the concrete slump measuring cylinder; when the concrete slump measuring cylinder is located on the base, the fixed cardboard of measuring cylinder is fixed by movable pressing plate to and the handle that sets up on the base, regard the handle as the mark line of measuring concrete slump numerical value, calculate the slump of concrete.
Similar to above-mentioned slump detection device, when carrying out the slump test, because the concrete has viscosity, the laminating that the concrete can be inseparable after the tamp is on test bucket body inner wall, at the in-process that the test bucket originally mentioned, viscidity can make the closely knit degree decline of concrete, influence the shaping of concrete, it is accurate inadequately to make the experimental result, and when using the data that observes on the mark line scale to carry out the calculation of concrete slump, because artificial observation can produce certain error, the accuracy that equally can make the concrete slump calculate receives the influence.
Disclosure of Invention
The invention aims to provide a computer-controlled concrete slump detection device and a control method thereof, aiming at solving the problems that when the concrete slump is detected, because the concrete has certain viscosity, the concrete is easy to influence the concrete forming when a cone barrel is removed, and the calculated result of the concrete slump is not accurate enough due to the error generated by manually observing the concrete forming height.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the computer-controlled concrete slump detection device comprises a control system and an installation bottom plate, wherein the installation bottom plate is provided with an installation frame fixedly connected with the installation bottom plate, the upper end of the installation frame is provided with a collecting hopper, a sealing end cover hinged with the collecting hopper is arranged at an outlet of the collecting hopper, and a control mechanism for controlling the opening and closing of the outlet of the collecting hopper is arranged on the sealing end cover;
a concrete forming device is arranged above the mounting bottom plate and comprises symmetrically arranged telescopic cylinders and symmetrically arranged left and right half cone barrels, the fixed ends of the telescopic cylinders are fixedly connected with the mounting frame, the output ends of the telescopic cylinders are respectively and fixedly connected to the outer walls of the left and right half cone barrels, and the telescopic cylinders are electrically connected with the control system;
the edge of mounting plate is equipped with rotary device, rotary device includes the mount table, mount table and mounting plate fixed connection, be equipped with the rotating electrical machines on the mount table, rotating electrical machines and control system electric connection, rotating electrical machines perpendicular to mounting plate, and the output of rotating electrical machines up, be equipped with the arc on the output of optional dress motor, the arc edge is equipped with first mounting hole, second mounting hole and third mounting hole according to order equidistance, the hole heart of first mounting hole, second mounting hole and third mounting hole equals to the distance of arc fixed point, be equipped with fixed connection's receiving mechanism, the mechanism of vibrating and image acquisition mechanism with it on first mounting hole, second mounting hole and the third mounting hole respectively.
The working principle of the technical scheme is as follows: when the control system detects that concrete is added into the collecting hopper, the control system controls the rotating motor to rotate, firstly, the material receiving structure is rotated to a specified position, and when the material receiving structure is rotated to the specified position, under the action of the control mechanism, the sealing end cover below the aggregate bin is opened, so that the concrete falls into a complete cone barrel formed by the left half cone barrel and the right half cone barrel, secondly, the control system controls the rotation of the rotating motor to ensure that when the vibrating cylinder rotates to the position right above the middle part of the complete conical barrel, the sealing end cover is closed under the action of the control mechanism, then the vibrating cylinder is controlled to beat the concrete in the complete cone barrel, then the control system controls the rotating motor to rotate, the image recognition mechanism rotates to a position right above the complete cone barrel, at the moment, the image recognition mechanism judges and detects the forming shape and height of the concrete, and finally the control system controls the rotating motor to reset until the next detection cycle.
Further inject, control mechanism includes first fixed pulley, second fixed pulley, stay cord and torsional spring, first fixed pulley and second fixed pulley are fixed in the both sides of mounting bracket, the one end of torsional spring is fixed in the bottom of collecting hopper, the other end and the sealed end cover fixed connection of torsional spring, the one end of stay cord is fixed in on the sealed end cover, the other end of stay cord passes on first fixed pulley and second fixed pulley are fixed in the arc, its beneficial part lies in, through opening and closing of the rotation control collecting hopper export of rotating electrical machines, do not need unnecessary control to control sealed end plate cover.
Further inject, receiving mechanism includes that the lower part connects the feed cylinder and upper portion to connect the feed cylinder, upper portion connects feed cylinder and lower part to connect the intercommunication between the feed cylinder, the lower part connects the feed cylinder to be fixed in the below of first mounting hole, just the length that the lower part connects the feed cylinder equals the perpendicular distance between arc lower surface and the half cone bucket upper surface, the shape that the feed cylinder was connected on upper portion is the round platform, the up end diameter that the feed cylinder was connected on upper portion is greater than the end diameter down, and its beneficial effect lies in, and the diameter that the feed cylinder was connected on upper portion is big, can promote and connect the material effect, avoids the indiscriminate concrete that spatters in the collection hopper, and the diameter that the upper end of lower part connects feed cylinder and cone bucket equals, can promote the.
Further inject, the diameter that the lower part connects the feed cylinder equals the circular diameter that left half awl bucket and right half awl bucket upper surface combination formed, the up end diameter that goes up to connect the feed cylinder is greater than the diameter 8-15cm of the discharge gate below the collecting hopper, and its beneficial effect lies in, guarantees that the concrete in the collecting hopper all can drop to the upper part connects the feed cylinder in, when avoiding the end cover to close, too much concrete drops to the cylinder that vibrates.
Further inject, the mechanism of vibrating is including the cylinder and the stick that vibrates, the cylinder and the control system electric connection vibrate, the stick that vibrates is fixed in on the output of cylinder that vibrates, the cylinder that vibrates is fixed in on the second mounting hole, and the output of cylinder that vibrates is perpendicular downwards, the shape of the stick that vibrates is the triangular pyramid, and its useful part lies in, the stick that vibrates of triangular pyramid form can promote the effect of pounding to the concrete, also is the slump shaping effect of guaranteeing the concrete simultaneously.
Further inject, image acquisition mechanism is high definition digtal camera, high definition digtal camera is vertical installs down, and with control system electric connection, its beneficial part lies in, uses image recognition to detect the height and the shape of concrete, guarantees the accuracy that concrete slump detected.
Further inject, the top of collecting hopper is equipped with first flushing pipe, be equipped with first apopore on the first flushing pipe, the directional collecting hopper's of first water hole inner wall, be equipped with the second flushing pipe on the mounting plate, the second apopore has also been seted up on the second flushing pipe, the equal directional mounting plate's of the play water direction of second apopore center, its beneficial part lies in, first flushing pipe and second flushing pipe wash collecting hopper and mounting plate before control system control rotating electrical machines resets, guarantee the shaping effect of next concrete on mounting plate and avoid the concrete to solidify the inner wall at collecting hopper.
Further inject, the lower part of collecting hopper is equipped with and carries out spacing opening the dog and closing the dog to end cover, just the stay cord is the elasticity rope, and its beneficial part lies in, opens the dog and closes the dog and carry on spacingly to end cover, makes end cover not make unnecessary action under rotating electrical machines's drive, only opens when needs and closes the operation, and the stay cord is the benefit of elasticity rope and is not influenced the motor and drive the arc and carry out rotatory effect.
Further inject, be equipped with waterproof cover on cylinder that vibrates and the high definition digtal camera, its beneficial part lies in, avoids the water infiltration in the concrete, makes cylinder and high definition digtal camera short circuit vibrate.
The invention also discloses a control method of the concrete slump detection device, which comprises the following specific steps:
A. adding concrete to be detected into a collecting hopper;
B. the control system controls the rotating motor to rotate, the material receiving mechanism is rotated to the middle part of the mounting bottom plate, and when the material receiving structure reaches a specified position, the sealing end cover is opened;
C. after the sealing end cover is opened for 5s, the control system controls the rotating motor to rotate the vibrating mechanism to the middle part of the mounting bottom plate, and meanwhile, under the action of the control mechanism, the sealing end cover seals the lower part of the collecting hopper;
D. when the vibrating mechanism rotates to the center of the mounting bottom plate, the control system controls the output end of the vibrating cylinder to reciprocate up and down;
E. after the vibrating cylinder reciprocates for 15s, the control system controls the vibrating cylinder to reset;
F. after the vibrating cylinder is reset, the control system controls the rotating motor to rotate, so that the image recognition mechanism rotates to the center of the mounting bottom plate, and at the moment, the control system controls the telescopic rod of the telescopic cylinder to retract, so that concrete collapses on the mounting bottom plate;
D. the image recognition mechanism analyzes the shape of the concrete molding and transmits data to the data processing terminal;
F. at this time, the data processing mechanism analyzes the formed shape of the concrete;
f1. if the concrete molding shape does not meet the requirement, the control system controls the rotating motor to rotate, so that the rotating motor returns to the initial position;
f2. if the concrete molding shape meets the requirement, the data processing terminal identifies the height of the concrete and then calculates the height in a mode of H-H, wherein H refers to the height of the conical barrel, and H refers to the height of the concrete molding;
G. and after the calculation of the data processing terminal is finished, recording and storing the obtained data, and then controlling the rotating motor to return to the initial position by the control system to reset the slump detection device for waiting for the next cycle.
The invention has the advantages that: (1) the left half cone barrel and the right half cone barrel are opened towards two sides under the action of the telescopic air cylinder, so that the influence on the forming of concrete caused by the adhesion of the inner wall of the cone barrel and the concrete when the cone barrel is moved is reduced to the maximum extent, the forming effect of the concrete is improved, and the concrete slump detection result is more accurate; (2) on the output of rotating electrical machines, the installation arc, installation receiving mechanism, the mechanism of vibrating and image detection mechanism on the arc utilize the angle transform of rotating electrical machines control arc, make each mechanism on the arc act on the concrete shaping earlier stage, middle stage and later stage respectively, and prior art contrast, reduced the quantity of cylinder and control, reduced concrete slump detection device's manufacturing cost, still make control system simpler simultaneously.
Drawings
FIG. 1 is a schematic view showing an initial position of a slump detecting apparatus according to an embodiment of the present invention.
FIG. 2 is a schematic diagram of the position of the slump detecting device when receiving the function of the cylinder structure according to the embodiment of the present invention.
Fig. 3 is a schematic position diagram of the slump detection device of the embodiment of the invention when the vibrating mechanism acts.
FIG. 4 is a schematic diagram of the slump detecting device according to the embodiment of the present invention at the position of the image recognizing mechanism.
FIG. 5 is a schematic plan view of the installation of the bottom control mechanism of the collecting hopper according to the embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a mounting bottom plate 1, a mounting frame 2, a collecting hopper 3, a mounting table 4, a rotating motor 5, a left half cone 6, a telescopic cylinder 7, a sealing end cover 8, a lower charging barrel 9, a vibrating cylinder 10, an image recognition mechanism 11, a second flushing pipe 12, a torsion spring 13, a first fixed pulley 14, a second fixed pulley 15, a pull rope 16, an arc-shaped plate 17 and a first flushing pipe 18.
The specific implementation process is as follows:
as shown in fig. 1 to 4, the computer-controlled concrete slump detection device and the control method thereof include a mounting base plate 1, the mounting base plate 1 is a 5 cm-high round table, anchor bolts convenient to fix are arranged at the bottom of the mounting base plate 1, a mounting frame 2 is arranged at the square edge of the mounting base plate 1, the mounting frame 2 is in the shape of a portal frame, a collecting hopper 3 for collecting concrete is fixed at the upper end of the mounting frame 2, the collecting hopper 3 in the embodiment is in the shape of a funnel with an upper part and a lower part, preferably, a first flushing pipe 18 is arranged above the collecting hopper 3, a first water outlet is arranged on the first flushing pipe, the first water outlet points to the inner wall of the collecting hopper 3, a second flushing pipe 12 is arranged on the mounting base plate 1, a second water outlet is also arranged on the second flushing pipe 12, the water outlet direction of the second water outlet points to the center of the mounting base plate 1, and the advantages are that, the first flushing pipe 18 and the second flushing pipe 12 flush the aggregate bin 3 and the mounting bottom plate 1 before the control system controls the rotating motor 5 to reset, so that the forming effect of concrete on the mounting bottom plate 1 at the next time is guaranteed, and concrete is prevented from being solidified on the inner wall of the aggregate bin 3.
Be equipped with mount table 4 in the top of mounting panel 1, mount table 4 fixes the vertical direction at 2 two stabilizer blade forming surfaces of mounting bracket, be fixed with rotating electrical machines 5 on mount table 4, rotating electrical machines 5 is step motor, because step motor can control the rotation angle of motor, the perpendicular upwards installation of output of rotating electrical machines 5, be equipped with fixed connection's arc 17 with it at the top of output, motor output is greater than motor output to the distance at arc 17 edge to the distance of mounting panel 1 center department, and arc 17 can be in mounting panel 1 upper end free rotation, do not interfered by mounting bracket 2, set up like this and guarantee when the mechanism of installation can rotate to mounting panel central point on arc 17 and put, the rotation effect has still been guaranteed. Mounting plate 1's top is equipped with concrete forming device, including the left half awl bucket 6 and the right half awl bucket (not sign in the picture) that the telescopic cylinder 7 and the symmetry that the symmetry set up, telescopic cylinder 7's stiff end and 2 fixed connection of mounting bracket, telescopic cylinder 7's output difference fixed connection is in the outer wall of left half awl bucket 6 and right half awl bucket, telescopic cylinder 7 and control system electric connection.
The arc plate 17 is provided with a first mounting hole, a second mounting hole and a third mounting hole, the distance from the center of the first mounting hole, the center of the second mounting hole and the center of the third mounting hole to the fixed point of the arc plate 17 is equal, and the first mounting hole, the second mounting hole and the third mounting hole are respectively provided with a material receiving mechanism, a vibrating mechanism and an image collecting mechanism which are fixedly connected with the first mounting hole, the second mounting hole and the third mounting hole.
The receiving mechanism comprises a lower receiving cylinder 9 and an upper receiving cylinder, the upper receiving cylinder is communicated with the lower receiving cylinder 9, the lower receiving cylinder 9 is fixed below the first mounting hole, the length of the lower receiving cylinder 9 is equal to the vertical distance between the lower surface of the arc-shaped plate 17 and the upper surface of the semi-cone barrel, the upper receiving cylinder is in a circular truncated cone shape, the diameter of the upper end face of the upper receiving cylinder is larger than that of the lower end face, the diameter of the upper receiving cylinder is large, the receiving effect can be improved, the concrete in the collecting hopper 3 is prevented from splashing disorderly, the diameters of the upper ends of the lower receiving cylinder 9 and the cone barrel are equal, and the material guiding effect of the lower receiving cylinder 9 on the concrete can be improved. Preferably, the diameter of the lower material receiving barrel 9 is equal to the diameter of the circle formed by the combination of the upper surfaces of the left half cone barrel 6 and the right half cone barrel, and the diameter of the upper end surface of the upper material receiving barrel is 8-15cm larger than the diameter of the discharge hole below the aggregate hopper 3, so that the advantage is that the concrete in the aggregate hopper 3 can fall into the upper material receiving barrel, and the excessive concrete is prevented from falling onto the vibrating cylinder 10 when the sealing end cover 8 is closed.
The mechanism of vibrating includes vibrating cylinder 10 and the stick that vibrates, vibrating cylinder 10 and control system electric connection, and the stick that vibrates is fixed in on the output of vibrating cylinder 10, and vibrating cylinder 10 is fixed in on the second mounting hole, and the output of vibrating cylinder 10 is perpendicular downwards, and the shape of the stick that vibrates is the triangular pyramid, and its useful part lies in, and the stick that vibrates of triangular pyramid form can promote the effect of pounding to the concrete, also is the slump shaping effect of guaranteeing the concrete simultaneously. The working principle of the vibrating mechanism 10 is that the control system controls the output end of the vibrating cylinder 10 to reciprocate up and down, the reciprocating time is 15s, the reciprocating times of the vibrating cylinder 10 are 25 times, and the vibrating cylinder 10 drives the vibrating rod fixed at the output end to directly act on the concrete in the reciprocating process to tamp the concrete.
The image acquisition mechanism is high definition digtal camera, and the supporting data processing terminal that uses of high definition digtal camera in addition, data processing terminal judges and detects the data that image recognition mechanism 11 monitored, and high definition digtal camera is vertical installs down, and with control system electric connection, use image recognition mechanism and stand to handle terminal and do not detect the height and the shape of concrete, can reduce artifical or naked eye identification error, guarantee the accuracy that concrete slump detected.
As shown in fig. 5, a sealing end cover 8 eccentrically hinged at the bottom of the collecting hopper 3 is provided at the outlet of the collecting hopper 3, in order to control the opening and closing of the sealing end cover 8 below the collecting hopper 3, a control mechanism is provided below the collecting hopper 3, the control mechanism comprises a first fixed pulley 14, a second fixed pulley 15, a pull rope 16 and a torsion spring 13, the first fixed pulley 14 and the second fixed pulley 15 are fixed at two sides of the mounting frame 2, one end of the torsion spring 13 is fixed at the bottom of the collecting hopper 3, the other end of the torsion spring 13 is fixedly connected with the sealing end cover 8, one end of the pull rope 16 is fixed on the sealing end cover 8, the other end of the pull rope 16 passes through the first fixed pulley 14 and the second fixed pulley 15 and is fixed on the arc-shaped plate 17, the opening and closing of the outlet of the collecting hopper 3 are controlled by the rotation of the rotating motor 5, no, in order to make the opening and closing of end cover 8 more accurate, the lower extreme at collecting hopper 3 still is equipped with opens the dog and closes the dog, the purpose is spacing to end cover 8, make end cover 8 not make unnecessary action under the drive of rotating electrical machines 5, preferably, in order to cooperate the use of dog, stay cord 16 is elasticity stay cord 16, after end cover 8 is spacing, the rotation effect of arc 17 is not influenced in the deformation of elasticity stay cord 16, when utilizing stay cord 16's pulling force to reduce during end cover 8's the restoration, end cover 8 rotatory restoration during the torsional spring 13 effort, seal the export of collecting hopper 3.
The invention also provides a control method of the concrete slump detection device, which comprises the following concrete steps:
A. adding concrete to be detected into the aggregate bin 3;
B. the control system controls the rotating motor 5 to rotate, the material receiving mechanism is rotated to the middle of the mounting bottom plate 1, and when the material receiving structure reaches a specified position, the sealing end cover is opened;
C. after the sealing end cover is opened for 5s, the control system controls the rotating motor 5 to rotate the vibrating mechanism to the middle part of the mounting bottom plate 1, and meanwhile, under the action of the control mechanism, the sealing end cover 8 seals the lower part of the aggregate bin;
D. when the vibrating mechanism rotates to the center of the mounting bottom plate 1, the control system controls the output end of the vibrating cylinder 10 to reciprocate up and down;
E. after the vibrating cylinder 10 reciprocates for 15s, the control system controls the vibrating cylinder 10 to reset;
F. after the vibrating cylinder 10 is reset, the control system controls the rotating motor 5 to rotate, so that the image recognition mechanism rotates to the center of the mounting bottom plate 1, and at the moment, the control system controls the telescopic rod of the telescopic cylinder 7 to retract, so that the concrete collapses on the mounting bottom plate 1;
D. the image recognition mechanism analyzes the shape of the concrete molding and transmits data to the data processing terminal;
F. at this time, the data processing mechanism analyzes the formed shape of the concrete;
f1. if the concrete molding shape does not meet the requirement, the control system controls the rotating motor 5 to rotate, so that the rotating motor 5 returns to the initial position;
f2. if the concrete molding shape meets the requirement, the data processing terminal identifies the height of the concrete and then calculates the height in a mode of H-H, wherein H refers to the height of the conical barrel, and H refers to the height of the concrete molding;
and after the calculation of the data processing terminal is finished, recording and storing the obtained data, and then controlling the rotating motor 5 to return to the initial position by the control system to reset the slump detection device for waiting for the next cycle.
In summary, when the present invention is used, when the control system detects that concrete is added into the collecting hopper 3, the control system controls the rotating motor 5 to rotate, firstly, the material receiving structure is rotated to a specified position, and when the material receiving structure is rotated to the position, the sealing end cover 8 below the collecting hopper 5 is opened under the action of the control mechanism, so that the concrete falls into the complete cone barrel formed by the left half cone barrel 6 and the right half cone barrel, secondly, the control system controls the rotating motor 5 to rotate, so that the vibrating cylinder 10 rotates to the position right above the middle part of the complete cone barrel, simultaneously, the sealing end cover 8 is closed under the action of the control mechanism, secondly, the vibrating cylinder 10 is controlled to tamp the concrete in the complete cone barrel, thirdly, the control system controls the rotating motor 5 to rotate, the image recognition mechanism 11 rotates to the position right above the complete cone barrel, at this time, the image recognition mechanism 11 will judge and detect the forming shape and height of the concrete, and finally, the control system controls the rotating motor 5 to reset until the next detection cycle. When this device had solved prior art and carried out slump to the concrete and detected, because the viscidity of concrete itself, can cause the technological problem of influence to the shaping of concrete when taking out a awl section of thick bamboo to and differentiate and calculate the slump of concrete through image identification's mode, the improvement of these two aspects can both be very big improvement concrete slump detect's accuracy. Therefore, the present invention effectively overcomes the disadvantages of the prior art and has high industrial utilization value.
It should be noted that, in the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, the connection may be a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. Computer control's concrete slump detection device, including control system and mounting plate, the last mounting bracket that is equipped with fixed connection with it of mounting plate, its characterized in that: the upper end of the mounting rack is provided with a collecting hopper, a sealing end cover hinged with the collecting hopper is arranged at the outlet of the collecting hopper, and a control mechanism for controlling the opening and closing of the outlet of the collecting hopper is arranged on the sealing end cover;
a concrete forming device is arranged above the mounting bottom plate and comprises symmetrically arranged telescopic cylinders and symmetrically arranged left and right half cone barrels, the fixed ends of the telescopic cylinders are fixedly connected with the mounting frame, the output ends of the telescopic cylinders are respectively and fixedly connected to the outer walls of the left and right half cone barrels, and the telescopic cylinders are electrically connected with the control system;
the edge of mounting plate is equipped with rotary device, rotary device includes the mount table, mount table and mounting plate fixed connection, be equipped with the rotating electrical machines on the mount table, rotating electrical machines and control system electric connection, rotating electrical machines perpendicular to mounting plate, and the output of rotating electrical machines up, be equipped with the arc on the output of optional dress motor, the arc edge is equipped with first mounting hole, second mounting hole and third mounting hole according to order equidistance, the hole heart of first mounting hole, second mounting hole and third mounting hole equals to the distance of arc fixed point, be equipped with fixed connection's receiving mechanism, the mechanism of vibrating and image acquisition mechanism with it on first mounting hole, second mounting hole and the third mounting hole respectively.
2. The computer-controlled concrete slump detecting device according to claim 1, wherein: the control mechanism comprises a first fixed pulley, a second fixed pulley, a pull rope and a torsion spring, wherein the first fixed pulley and the second fixed pulley are fixed on two sides of the mounting frame, one end of the torsion spring is fixed on the bottom of the collecting hopper, the other end of the torsion spring is fixedly connected with the sealing end cover, one end of the pull rope is fixed on the sealing end cover, and the other end of the pull rope penetrates through the first fixed pulley and the second fixed pulley and is fixed on the arc plate.
3. The computer-controlled concrete slump detecting device according to claim 1, wherein: the receiving mechanism comprises a lower receiving barrel and an upper receiving barrel, the upper receiving barrel and the lower receiving barrel are communicated, the lower receiving barrel is fixed below the first mounting hole, the length of the lower receiving barrel is equal to the vertical distance between the lower surface of the arc-shaped plate and the upper surface of the semi-cone barrel, the upper receiving barrel is in a circular truncated cone shape, and the diameter of the upper end face of the upper receiving barrel is larger than that of the lower end face.
4. The computer-controlled concrete slump detecting device according to claim 3, wherein: the diameter of the lower material receiving barrel is equal to the diameter of a circle formed by combining the upper surfaces of the left half cone barrel and the right half cone barrel, and the diameter of the upper end surface of the upper material receiving barrel is 8-15cm larger than the diameter of the discharge hole below the aggregate bin.
5. The computer-controlled concrete slump detecting device according to claim 1, wherein: the mechanism that vibrates includes the cylinder and the stick that vibrates, the cylinder and the control system electric connection vibrate, the stick that vibrates is fixed in on the output of cylinder that vibrates, the cylinder that vibrates is fixed in on the second mounting hole, and the output of cylinder that just vibrates is perpendicular downwards, the shape of the stick that vibrates is the triangular pyramid.
6. The computer-controlled concrete slump detecting device according to claim 1, wherein: the image acquisition mechanism is a high-definition camera, and the high-definition camera is vertically installed downwards and is electrically connected with the control system.
7. The computer-controlled concrete slump detecting device according to claim 1, wherein: the improved water collecting hopper is characterized in that a first flushing pipe is arranged above the water collecting hopper, a first water outlet hole is formed in the first flushing pipe, the first water hole points to the inner wall of the water collecting hopper, a second flushing pipe is arranged on the mounting base plate, a second water outlet hole is also formed in the second flushing pipe, and the water outlet direction of the second water outlet hole points to the center of the mounting base plate.
8. The computer-controlled concrete slump detecting device according to claim 1 or 2, wherein: the lower part of the aggregate bin is provided with an opening stop block and a closing stop block which limit the sealing end cover, and the pull rope is an elastic rope.
9. The computer-controlled concrete slump detecting device according to claim 5 or 6, wherein: waterproof sleeves are arranged outside the vibrating cylinder and the high-definition camera.
10. The control method of a computer-controlled concrete slump-detecting device according to any one of claims 1 to 9, wherein: the method comprises the following specific steps:
A. adding concrete to be detected into a collecting hopper;
B. the control system controls the rotating motor to rotate, the material receiving mechanism is rotated to the middle part of the mounting bottom plate, and when the material receiving structure reaches a specified position, the sealing end cover is opened;
C. after the sealing end cover is opened for 5s, the control system controls the rotating motor to rotate the vibrating mechanism to the middle part of the mounting bottom plate, and meanwhile, under the action of the control mechanism, the sealing end cover seals the lower part of the collecting hopper;
D. when the vibrating mechanism rotates to the center of the mounting bottom plate, the control system controls the output end of the vibrating cylinder to reciprocate up and down;
E. after the vibrating cylinder reciprocates for 15s, the control system controls the vibrating cylinder to reset;
F. after the vibrating cylinder is reset, the control system controls the rotating motor to rotate, so that the image recognition mechanism rotates to the center of the mounting bottom plate, and at the moment, the control system controls the telescopic rod of the telescopic cylinder to retract, so that concrete collapses on the mounting bottom plate;
D. the image recognition mechanism analyzes the shape of the concrete molding and transmits data to the data processing terminal;
F. at this time, the data processing mechanism analyzes the formed shape of the concrete;
f1. if the concrete molding shape does not meet the requirement, the control system controls the rotating motor to rotate, so that the rotating motor returns to the initial position;
f2. if the concrete molding shape meets the requirement, the data processing terminal identifies the height of the concrete and then calculates the height in a mode of H-H, wherein H refers to the height of the conical barrel, and H refers to the height of the concrete molding;
G. and after the calculation of the data processing terminal is finished, recording and storing the obtained data, and then controlling the rotating motor to return to the initial position by the control system to reset the slump detection device for waiting for the next cycle.
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