CN114252339B - Pressure detection system and method for concrete detection - Google Patents
Pressure detection system and method for concrete detection Download PDFInfo
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- CN114252339B CN114252339B CN202111583461.2A CN202111583461A CN114252339B CN 114252339 B CN114252339 B CN 114252339B CN 202111583461 A CN202111583461 A CN 202111583461A CN 114252339 B CN114252339 B CN 114252339B
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- 238000001514 detection method Methods 0.000 title claims abstract description 148
- 238000000034 method Methods 0.000 title abstract description 10
- 238000012360 testing method Methods 0.000 claims abstract description 196
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 33
- 238000012544 monitoring process Methods 0.000 claims description 33
- 238000003825 pressing Methods 0.000 claims description 25
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- Life Sciences & Earth Sciences (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application discloses a pressure detection system and a detection method for concrete detection, which relate to the field of concrete detection equipment and comprise a base, wherein the base is movably connected with a lifting plate and is provided with a second pushing piece for driving the lifting plate to lift; the lifting plate is provided with a feeding plate in a sliding manner, and a third pushing piece for driving the feeding plate to be close to or far away from the detection seat is arranged on the lifting plate; the end part of the feeding plate, which is far away from the detection seat, is provided with a feeding groove for the concrete test block to enter, and is provided with a transverse clamping and positioning mechanism for clamping the concrete test block and transversely positioning the concrete test block on the detection seat and a longitudinal clamping and positioning mechanism for clamping the concrete test block and longitudinally positioning the concrete test block on the detection seat. The method has the effects of reducing the operation difficulty and strength of the preparation work, is higher in positioning accuracy, and is beneficial to improving the accuracy of pressure detection.
Description
Technical Field
The application relates to the field of concrete detection equipment, in particular to a pressure detection system and a detection method for concrete detection.
Background
The concrete plays an important role in civil engineering, and the compressive strength of the concrete directly affects the construction quality of a building, so that the compressive strength of a concrete test block in a square shape needs to be detected before the concrete leaves a factory. At present, a concrete press is mainly used for detecting the pressure of a concrete test block.
The utility model provides a chinese patent of application number CN201922492752.5 in the related art provides a concrete pressure detector, including the base, still including set up in a plurality of support columns on the base and with roof that the support column top is connected, roof below is provided with the clamp plate, the roof is provided with the drive assembly that the clamp plate goes up and down, the support column is provided with protector, protector is located the base with around the clamp plate, be provided with the detection seat on the base, the clamp plate is located directly over the detection seat.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: when carrying out pressure detection to the concrete test block of square shape, need the inspector to carry the concrete test block manual work to detect on the seat earlier to need adjust the position of concrete test block on detecting the seat, until the center of concrete test block and the center of clamp plate, the central geometric centering of detecting the seat, whether the whole process needs to judge the position accurately through the people's eye, leads to the operation degree of difficulty and the intensity of the preparation work of concrete test block pressure detection all great.
Disclosure of Invention
In order to solve the problem that the operation difficulty and the strength of the preparation work of the concrete test block pressure detection are large, the application provides a pressure detection system and a pressure detection method for concrete detection.
The application provides a pressure detection system and a detection method for concrete detection.
In a first aspect, the present application provides a pressure detection system for concrete detection, which adopts the following technical scheme:
the pressure detection system for concrete detection comprises a base, a support column arranged on the base, a top plate arranged on the top of the support column, a pressing plate movably connected with the top plate, a first pushing piece arranged on the top plate and used for driving the pressing plate to lift and a detection seat arranged on the base, wherein the base is movably connected with a lifting plate and is provided with a second pushing piece used for driving the lifting plate to lift; the lifting plate is provided with a feeding plate in a sliding manner, and a third pushing piece for driving the feeding plate to be close to or far away from the detection seat is arranged on the lifting plate; the feeding plate is far away from the end part of the detection seat, is provided with a feeding groove for the concrete test block to enter, and is provided with a transverse clamping and positioning mechanism for clamping the concrete test block and transversely positioning the concrete test block on the detection seat and a longitudinal clamping and positioning mechanism for clamping the concrete test block and longitudinally positioning the concrete test block on the detection seat.
Through adopting above-mentioned technical scheme, when detecting the concrete test block, firstly, remove the concrete test block near the lifting plate through the trailer, the rethread second impeller drives the lifting plate to go up and down, until the upper surface of lifting plate and the upper surface of trailer are in same height, promote the concrete test block and get into the feed chute in, rethread vertical clamping and positioning mechanism and horizontal clamping and positioning mechanism centre gripping concrete test block, and drive the lifting plate through the second impeller and go up and down, until the upper surface of lifting plate and the upper surface of detecting the seat are in same height, the rethread third impeller drives the feeding plate gradually get into between clamp plate and the detecting seat, vertical clamping and positioning mechanism and horizontal clamping and positioning mechanism carry out the location to the concrete test block simultaneously, until the center of concrete test block and the center of clamp plate, the center geometric centering of detecting the seat, can carry out pressure detection, need not the manual handling concrete test block and through the effect of human eye location concrete test block, in order to this realization reduces the operation degree of difficulty and the intensity of preparing work, and positioning accuracy is higher, be of being favorable to promoting the precision of pressure detection.
Optionally, the transverse clamping and positioning mechanism includes two transverse clamping plates sliding on the feeding plate, a first pressure sensor arranged on the transverse clamping plates, a first control MCU arranged on the transverse clamping plates, a fourth pushing member arranged on the feeding plate and used for driving any one of the transverse clamping plates to slide, and a transmission assembly arranged between the two transverse clamping plates and used for driving the two transverse clamping plates to synchronously approach or separate; the sliding direction of the transverse clamping plates is perpendicular to the sliding direction of the feeding plate, and the two transverse clamping plates are respectively positioned at two sides of the concrete test block and are consistent with the horizontal spacing between the centers of the detection seats in size; the first pressure sensor is used for monitoring a first pressure between the concrete test block and the transverse clamping plate, generating first pressure data and transmitting the first pressure data to the first control MCU; the first control MCU is used for judging whether the first pressure is higher than a threshold value according to the first pressure data, if so, the fourth pushing piece is controlled to drive the transverse clamping plate to stop moving, and if not, the fourth pushing piece is controlled to drive the transverse clamping plate to be close to each other.
Through adopting above-mentioned technical scheme, after the concrete test block gets into the feed chute, drive arbitrary horizontal grip block through fourth impeller earlier and remove, drive assembly drives two horizontal grip blocks simultaneously and is close to in step, until two horizontal grip blocks butt respectively in the two opposite sides of concrete test block, first pressure sensor can real-time supervision horizontal grip block and the pressure between the concrete test block, first control MCU control fourth impeller stops to drive horizontal grip block motion, can make the center of concrete test block and the center of detecting the seat be in the coplanar, and applicable to the concrete test block of equidimension, be of value to enlarge the application scope of pressure detection system for concrete detection. Meanwhile, the first pressure sensor and the first control MCU can control the pressure of the transverse clamping plate on the concrete test block, so that the risk of damage to the concrete test block can be reduced.
Optionally, the transmission assembly comprises a transmission gear rotatably connected to the feeding plate and two transmission racks respectively connected to the two transverse clamping plates; the two transmission racks are respectively positioned at two sides of the transmission gear and are meshed with the transmission gear.
Through adopting above-mentioned technical scheme, when the fourth impeller drives arbitrary horizontal grip block and removes, corresponding drive rack takes place the meshing transmission with drive gear, and drive gear takes place the meshing with another drive rack, can drive two horizontal grip blocks and be close to or keep away from in step to make the horizontal interval size between two horizontal grip blocks and the detection seat center unanimous all the time.
Optionally, the longitudinal clamping and positioning mechanism comprises a longitudinal limiting plate arranged on the transverse clamping plate, a longitudinal movable plate moving on the transverse clamping plate, a driving assembly arranged on the transverse clamping plate and a longitudinal monitoring assembly arranged between the longitudinal limiting plate and the longitudinal movable plate; the longitudinal limiting plate and the longitudinal movable plate are respectively positioned at the other two sides of the concrete test block; the driving assembly drives the longitudinal movable plate to be close to the longitudinal limiting plate when the two transverse clamping plates are abutted against the concrete test block; the longitudinal monitoring component is used for monitoring whether the center of the concrete test block is aligned with the center of the detection seat or not, and controlling the feeding plate to stop sliding when the center of the concrete test block is aligned with the center of the detection seat.
Through adopting above-mentioned technical scheme, after accomplishing horizontal centre gripping, drive vertical fly leaf through drive assembly earlier and move towards vertical limiting plate, until vertical fly leaf and vertical limiting plate laminate respectively in two other opposite sides of concrete test block, drive the delivery sheet by the third impeller again and get into between detection seat and the clamp plate, whether the center of vertical monitoring module monitoring concrete test block aligns with the center of detection seat to control when the center of concrete test block aligns with the center of detection seat the delivery sheet stops sliding, can accomplish the location of concrete test block.
Optionally, the driving assembly includes a second pressure sensor disposed on the longitudinal limiting plate, a second control MCU disposed on the transverse clamping plate, and a fifth pushing member disposed on the transverse clamping plate and used for driving the longitudinal movable plate to slide; the second pressure sensor is used for monitoring a second pressure between the concrete test block and the longitudinal limiting plate, generating second pressure data and transmitting the second pressure data to the second control MCU; the second control MCU is used for judging whether the second pressure is higher than a threshold value according to the second pressure data, if the first pressure is higher than the threshold value, the fifth pushing piece is controlled to drive the longitudinal movable plate to be close to the longitudinal limiting plate, and if the second pressure is higher than the threshold value, the fifth pushing piece is controlled to stop driving the longitudinal movable plate to move.
Through adopting above-mentioned technical scheme, after horizontal grip block laminating in the concrete test block, the second control MCU control fifth impeller is driven vertical fly leaf and is close to vertical limiting plate to promote the concrete test block to remove towards vertical limiting plate, until vertical fly leaf and vertical limiting plate laminating in the two opposite sides of concrete test block, can accomplish the vertical centre gripping to the concrete test block. Meanwhile, the second pressure sensor and the second control MCU can control the pressure of the longitudinal limiting plate and the longitudinal movable plate on the concrete test block, so that the risk of damage to the concrete test block can be reduced.
Optionally, the longitudinal monitoring component comprises a first hinging rod hinged on the longitudinal limiting plate, a second hinging rod hinged on the longitudinal movable plate, a monitoring block hinged with the end parts of the first hinging rod and the end parts of the second hinging rod, a signal transmitter arranged on the monitoring block, a signal receiver arranged on the detection seat or the base and a third control MCU; the length dimension of the first hinging rod is consistent with that of the second hinging rod; the signal transmitter is used for transmitting a positioning signal; the signal receiver is positioned on the central surface of the detection seat and is used for receiving a positioning signal and forming signal data, and transmitting the signal data to the third control MCU; and the third control MCU is used for controlling the third pushing piece to stop driving the feeding plate to move after receiving the signal data.
Through adopting above-mentioned technical scheme, at the in-process that vertical fly leaf is close to vertical limiting plate, first articulated lever takes place the swing with the second articulated lever, and monitor piece and signal transmitter are located on the central line of vertical fly leaf and vertical limiting plate all the time, after vertical fly leaf and vertical limiting plate laminate respectively in the both sides face of concrete test block, monitor piece and signal transmitter and the central coplane of concrete test block, the third impeller drives the delivery plate to get into between clamp plate and the detection seat, until when signal transmitter and the signal receiver, third control MCU in time control third impeller stops driving the delivery plate and removes, can make the center of concrete test block and the central geometric centering of detection seat. Meanwhile, for concrete test blocks with different sizes, the monitoring blocks and the signal transmitters can be coplanar with the centers of the concrete test blocks only by respectively attaching the longitudinal movable plates and the longitudinal limiting plates to the two side surfaces of the concrete test blocks, so that the application range of the pressure detection system for concrete detection is enlarged.
Optionally, the lifting plate is provided with a through hole, and a direction-adjusting plate is rotatably connected at the through hole, and the lifting plate is provided with a direction-adjusting motor for driving the direction-adjusting plate to rotate; when the feeding plate is in an initial state, the feeding groove surrounds the periphery of the through hole.
Through adopting above-mentioned technical scheme, when the concrete test block gets into the feed chute, the concrete test block is located on the steering plate, and the steering motor can drive the steering plate to take place to rotate, can adjust the angle of setting up of concrete test block for the side of concrete test block is on a parallel with horizontal grip block as far as possible, thereby can reduce the concrete test block and take place the damaged risk in the centre gripping in-process.
Optionally, the detection seat is detachably connected with a collection box, and the collection box is located below a gap between the lifting plate and the detection seat.
Through adopting above-mentioned technical scheme, after accomplishing the pressure detection of concrete test block, the inner wall of feed chute promotes the piece that detects on the seat and gets into the clearance between lift plate and the detection seat, and then the piece falls into in the collection box, can accomplish the automatic clearance of piece, need not the extra clearance detection seat of inspector.
In a second aspect, the application provides a pressure detection system for concrete detection, which adopts the following technical scheme:
the pressure detection method for concrete detection adopts the pressure detection system for concrete detection, and comprises the following steps of,
s1, test preparation: taking out the concrete test block, checking the size and shape of the concrete test block, and wiping the surface of the concrete test block;
s2, moving a concrete test block: the lifting plate is driven to lift by the second pushing piece until the height of the lifting plate is consistent with that of the concrete test block, and the concrete test block is pushed into the feeding groove;
s3, positioning a concrete test block: the concrete test block is clamped through the longitudinal clamping and positioning mechanism and the transverse clamping and positioning mechanism, and the center of the concrete test block is geometrically centered with the center of the pressing plate and the center of the detection seat;
s4, applying pressure: the first pushing piece drives the pressing plate to descend and gradually extrude the concrete test block, and the loading speed of 0.3MPa/s-0.53MPa/s is taken until the concrete test block is broken, and the damage limit load is recorded.
By adopting the technical scheme, the limit pressure of the concrete test block can be accurately tested, and the concrete test block can be suitable for testing concrete test blocks with different sizes.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the center of the concrete test block and the center of the detection seat are positioned in the same plane, the longitudinal movable plate and the longitudinal limiting plate are driven to be respectively attached to the other two opposite sides of the concrete test block by the fifth pushing member, the feeding plate is driven to gradually enter between the pressing plate and the detection seat by the third pushing member until the signal receiver receives the signal transmitter, the center of the concrete test block is geometrically centered with the center of the pressing plate and the center of the detection seat, and pressure detection can be performed without manually carrying the concrete test block and positioning the concrete test block by human eyes, so that the operation difficulty and the strength of preparation work are reduced, the positioning accuracy is higher, and the pressure detection precision is improved;
2. the first pressure sensor and the first control MCU can control the pressure of the transverse clamping plate to the concrete test block, and the second pressure sensor and the second control MCU can control the pressure of the longitudinal limiting plate and the longitudinal movable plate to the concrete test block, so that the risk of damage to the concrete test block can be reduced;
3. after the pressure detection of the concrete test block is completed, the inner wall of the feeding groove pushes the scraps on the detection seat to enter a gap between the lifting plate and the detection seat, and then the scraps fall into the collecting box, so that automatic cleaning of the scraps can be completed.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a pressure detection system for concrete detection according to an embodiment of the present application.
Fig. 2 is a schematic structural view of a base, a detection seat, a second pushing member, a lifting plate, a transverse clamping and positioning mechanism, a longitudinal clamping and positioning mechanism and a concrete test block according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a detection seat, a feeding plate, a transverse clamping and positioning mechanism, a longitudinal clamping and positioning mechanism and a concrete test block according to an embodiment of the application.
Fig. 4 is a schematic structural view of a feeding plate, a transverse clamping and positioning mechanism and a longitudinal clamping and positioning mechanism according to an embodiment of the present application.
Fig. 5 is a process flow diagram of a method for detecting pressure for concrete detection according to an embodiment of the present application.
Reference numerals:
1. a console;
2. a base; 21. a support column; 22. a top plate; 23. a pressing plate; 24. a first pusher; 25. a detection seat; 251. a mounting plate; 26. a second pusher; 27. a collection box;
3. a lifting plate; 31. a feeding plate; 311. a feed chute; 312. a guide groove; 32. a third pusher; 33. a direction-adjusting plate; 34. a direction-adjusting motor;
41. a transverse clamping plate; 411. a guide block; 42. a first pressure sensor; 43. a first control MCU; 44. a fourth pusher; 45. a transmission assembly; 451. a transmission gear; 452. a drive rack;
51. a longitudinal limiting plate; 52. a longitudinal movable plate; 53. a drive assembly; 531. a second pressure sensor; 532. a second control MCU; 533. a fifth pusher; 54. a longitudinal monitoring assembly; 541. a first hinge lever; 542. a second hinge lever; 543. a monitoring block; 544. a signal transmitter; 545. a signal receiver; 546. a third control MCU;
10. and (5) a concrete test block.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a pressure detection system for concrete detection. Referring to fig. 1, the pressure detection system for concrete detection includes a console 1, a base 2 provided at one side of the console 1, a support column 21 provided on the base 2 by welding, a top plate 22 provided at the top of the support column 21 by welding, a pressing plate 23 movably connected to the top plate 22, a first pushing member 24 provided on the top plate 22 for driving the pressing plate 23 to rise and fall in a vertical direction, and a detection seat 25 provided on the base 2 by welding. The first pusher 24 is provided as a hydraulic cylinder, and an end of the piston rod is connected to the pressing plate 23 by a bolt.
Referring to fig. 1 and 2, the base 2 is movably connected with the lifting plate 3 in a vertical direction, and is provided with a second pusher 26 for driving the lifting plate 3 to rise and fall. The second pushing member 26 may be provided as a rod cylinder, a hydraulic cylinder or an electric push rod, the first one is selected in the embodiment of the present application, and the second pushing member 26 is provided with four, and piston rods of the four second pushing members 26 are connected with four corners of the lifting plate 3 by bolts, respectively.
Referring to fig. 1 and 2, the lifting plate 3 is slidably provided with a feeding plate 31 in a horizontal direction, and a third pushing member 32 for pushing the feeding plate 31 toward or away from the detecting seat 25 is provided. The third pushing member 32 may be configured as a rod cylinder, a rodless cylinder or a hydraulic cylinder, and in this embodiment, the second type is selected, and the feeding plate 31 is fixedly connected with a slider by welding, where the slider slides on the third pushing member 32. The end of the feeding plate 31 far away from the detection seat 25 is provided with a feeding groove 311 for the concrete test block 10 to enter, the caliber of the feeding groove 311 is larger than that of the pressing plate 23, namely the pressing plate 23 can enter the feeding groove 311 along the vertical direction, and the feeding plate 31 provided with the feeding groove 311 is U-shaped. The feeding plate 31 is provided with a lateral clamping and positioning mechanism for clamping the concrete test block 10 and positioning the concrete test block 10 laterally on the detection seat 25 and a longitudinal clamping and positioning mechanism for clamping the concrete test block 10 and positioning the concrete test block 10 longitudinally on the detection seat 25.
When the concrete test block 10 is detected, the concrete test block 10 is moved to the vicinity of the lifting plate 3 through the trailer, the lifting plate 3 is driven to lift through the second pushing member 26 until the upper surface of the lifting plate 3 and the upper surface of the trailer are at the same height, the concrete test block 10 is pushed into the feeding groove 311, the concrete test block 10 is clamped through the longitudinal clamping and positioning mechanism and the transverse clamping and positioning mechanism, the lifting plate 3 is driven to lift through the second pushing member 26 until the upper surface of the lifting plate 3 and the upper surface of the detection seat 25 are at the same height, the feeding plate 31 is driven to gradually enter between the pressing plate 23 and the detection seat 25 through the third pushing member 32, the concrete test block 10 is positioned through the longitudinal clamping and positioning mechanism and the transverse clamping and positioning mechanism until the center of the concrete test block 10 and the center of the pressing plate 23 and the center of the detection seat 25 are geometrically centered, so that the pressure detection can be carried out, the effect of reducing the operation difficulty and the strength of the preparation work can be achieved without manually carrying the concrete test block 10 and the positioning of the concrete test block 10 through human eyes, and the accuracy of the pressure detection is beneficial to the lifting of the pressure detection.
Referring to fig. 3 and 4, the lateral clamping and positioning mechanism includes two lateral clamping plates 41 sliding on the feeding plate 31 in a horizontal direction, a first pressure sensor 42 disposed on any one of the lateral clamping plates 41 by a screw, a first control MCU43 disposed on any one of the lateral clamping plates 41 by a screw, a fourth pushing member 44 disposed on the feeding plate 31 by a screw and used for driving any one of the lateral clamping plates 41 to slide, and a transmission assembly 45 disposed between the two lateral clamping plates 41 and used for driving the two lateral clamping plates 41 to approach or depart synchronously.
Referring to fig. 3 and 4, the length direction of the transverse clamping plate 41 is parallel to the sliding direction of the feeding plate 31, the sliding direction of the transverse clamping plate 41 is perpendicular to the sliding direction of the feeding plate 31, and the two transverse clamping plates 41 are respectively located at two sides of the concrete test block 10 and are consistent with the horizontal spacing between the centers of the detection seats 25. The feeding plate 31 is provided with a guide groove 312 along the horizontal direction on the inner wall of the feeding groove 311, and the transverse clamping plate 41 is welded with a guide block 411 which is matched with the guide groove 312 in a sliding manner, so that the transverse clamping plate 41 slides stably. The fourth pushing member 44 may be an air cylinder, a hydraulic cylinder or an electric push rod, and in the embodiment of the present application, the piston rod of the fourth pushing member 44 is connected with any one of the transverse clamping plates 41 through a bolt.
Referring to fig. 3 and 4, the transmission assembly 45 includes a transmission gear 451 rotatably coupled to the feed plate 31 and two transmission racks 452 respectively coupled to the two lateral grip plates 41 by welding, and the rotation axis of the transmission gear 451 is arranged in the vertical direction. The length direction of the two transmission racks 452 is parallel to the length direction of the guide groove 312, and the two transmission racks 452 are respectively positioned at two sides of the transmission gear 451 and are engaged with the transmission gear 451.
Referring to fig. 3 and 4, the first pressure sensor 42 is used to monitor a first pressure between the concrete test block 10 and the lateral clamping plate 41 and generate first pressure data, and transmit the first pressure data to the first control MCU43. The first control MCU43 is configured to determine whether the first pressure is higher than a threshold according to the first pressure data, and if so, control the fourth pushing member 44 to drive the lateral clamping plates 41 to stop moving, and if not, control the fourth pushing member 44 to drive the lateral clamping plates 41 to approach each other.
After the concrete test block 10 enters the feeding groove 311, any transverse clamping plate 41 is driven to move through the fourth pushing piece 44, the corresponding transmission rack 452 and the transmission gear 451 are meshed for transmission, the transmission gear 451 and the other transmission rack 452 are meshed for further driving the two transverse clamping plates 41 to synchronously approach until the two transverse clamping plates 41 are respectively abutted to two opposite sides of the concrete test block 10, meanwhile, the first pressure sensor 42 can monitor the pressure between the transverse clamping plates 41 and the concrete test block 10 in real time, the first control MCU43 can timely control the fourth pushing piece 44 to stop driving the transverse clamping plates 41 to move, the center of the concrete test block 10 and the center of the detection seat 25 can be located in the same plane, and the method can be applied to concrete test blocks 10 with different sizes, and is beneficial to expanding the application range of a pressure detection system for concrete detection. Meanwhile, the first pressure sensor 42 and the first control MCU43 can control the pressure of the transverse clamping plate 41 on the concrete test block 10, so that the risk of damage to the concrete test block 10 can be reduced.
Referring to fig. 3 and 4, the longitudinal clamping and positioning mechanism includes a longitudinal limiting plate 51 disposed on the lateral clamping plate 41 by welding or screw connection, a longitudinal movable plate 52 movable on the lateral clamping plate 41 in the horizontal direction, a driving assembly 53 disposed on the lateral clamping plate 41, and a longitudinal monitoring assembly 54 disposed between the longitudinal limiting plate 51 and the longitudinal movable plate 52. Wherein, the longitudinal movable plate 52 and the longitudinal limiting plate 51 are both provided with two and are respectively arranged on the two transverse clamping plates 41, the longitudinal movable plate 52 is erected on the transverse clamping plates 41 and slides along the length direction of the transverse clamping plates 41, and the longitudinal limiting plate 51 and the longitudinal movable plate 52 are respectively positioned on the other two sides of the concrete test block 10.
Referring to fig. 3 and 4, the driving assembly 53 is provided with two groups of two corresponding longitudinal movable plates 52, and the driving assembly 53 drives the longitudinal movable plates 52 to approach the longitudinal limiting plates 51 when the two transverse clamping plates 41 are abutted against the concrete test block 10. The driving assembly 53 includes a second pressure sensor 531 disposed on the longitudinal limiting plate 51 by a screw, a second control MCU532 disposed on the lateral clamping plate 41 by a screw, and a fifth pushing member 533 disposed on the lateral clamping plate 41 for driving the longitudinal movable plate 52 to slide, wherein the fifth pushing member 533 may be configured as a rod cylinder or an electric push rod, and the first type is selected in the embodiment of the present application.
Referring to fig. 3 and 4, the second pressure sensor 531 is configured to monitor a second pressure between the concrete test block 10 and the longitudinal limiting plate 51 and generate second pressure data, and transmit the second pressure data to the second control MCU532, where the second control MCU532 is configured to determine whether the second pressure is higher than a threshold according to the second pressure data, and if the first pressure is higher than the threshold, control the fifth pushing element 533 to drive the longitudinal movable plate 52 to approach the longitudinal limiting plate 51, and if the second pressure is higher than the threshold, control the fifth pushing element 533 to stop driving the longitudinal movable plate 52 to move.
Referring to fig. 3 and 4, the longitudinal monitoring assemblies 54 are provided in a group and on the lateral clamping plate 41 remote from the fourth pusher 44. The longitudinal monitoring assembly 54 is used to monitor whether the center of the concrete block 10 is aligned with the center of the test socket 25 and to control the feed plate 31 to stop sliding when the center of the concrete block 10 is aligned with the center of the test socket 25. The longitudinal monitoring assembly 54 includes a first hinge rod 541 hinged to the longitudinal limiting plate 51, a second hinge rod 542 hinged to the longitudinal movable plate 52, a monitoring block 543 hinged to both ends of the first hinge rod 541 and the second hinge rod 542, a signal transmitter 544 disposed on the monitoring block 543 by a screw, a signal receiver 545 disposed on the detecting seat 25 or the base 2 by a screw, and a third control MCU546.
Referring to fig. 3 and 4, the length dimensions of the first hinge rod 541 and the second hinge rod 542 are identical, and the hinge axis of the first hinge rod 541 and the longitudinal limiting plate 51, the hinge axis of the first hinge rod 541 and the monitoring block 543, the hinge axis of the second hinge rod 542 and the longitudinal movable plate 52, and the hinge axis of the second hinge rod 542 and the monitoring block 543 are all arranged in the vertical direction.
Referring to fig. 3 and 4, a signal transmitter 544 is used to transmit a positioning signal. The signal receiver 545 and the third control MCU546 are installed at the edge of the detection seat 25 through the installation plate 251 in the embodiment of the present application, and the signal receiver 545 is located on the center plane of the detection seat 25, and the signal receiver 545 is used for receiving the positioning signal and forming signal data, and transmitting the signal data to the third control MCU546. The third control MCU546 is configured to control the third pushing member 32 to stop driving the feeding plate 31 to move after receiving the signal data. In other embodiments, a transparent shield may be placed over the exterior of the signal receiver 545 in order to protect the signal receiver 545 from debris.
After the transverse clamping is completed, the fifth pushing element 533 drives the longitudinal movable plate 52 to move towards the longitudinal limiting plate 51, meanwhile, the first hinging rod 541 and the second hinging rod 542 swing until the longitudinal movable plate 52 and the longitudinal limiting plate 51 are respectively attached to the other two opposite sides of the concrete test block 10, the monitoring block 543 and the signal transmitter 544 are coplanar with the center of the concrete test block 10, meanwhile, the second pressure sensor 531 monitors the pressure between the longitudinal limiting plate 51 and the concrete test block 10, the second control MCU532 timely controls the fifth pushing element 533 to stop driving, the third pushing element 32 drives the feeding plate 31 to enter between the detection seat 25 and the pressing plate 23 until the signal transmitter 544 and the signal receiver 545, and the third control MCU546 timely controls the third pushing element 32 to stop driving the feeding plate 31 to move, so that the center of the concrete test block 10 is geometrically centered with the center of the detection seat 25, and the positioning of the concrete test block 10 is completed. Meanwhile, for the concrete test block 10 with different sizes, the monitoring block 543 and the signal transmitter 544 can be coplanar with the center of the concrete test block 10 only by respectively attaching the longitudinal movable plate 52 and the longitudinal limiting plate 51 on two side surfaces of the concrete test block 10, which is beneficial to expanding the application range of the pressure detection system for concrete detection.
Referring to fig. 1 and 4, the lift plate 3 is provided with a through hole, and a direction adjusting plate 33 is rotatably connected to the through hole, and the direction adjusting plate 33 has a disk shape and an axial direction is vertical. The lifting plate 3 is provided with a direction-adjusting motor 34 for driving the direction-adjusting plate 33 to rotate through a bracket, and an output shaft of the direction-adjusting motor 34 is welded with the direction-adjusting plate 33 coaxially. When the feeding plate 31 is in the initial state, the feeding groove 311 surrounds the periphery of the through hole, and when the concrete test block 10 enters the feeding groove 311, the concrete test block is positioned on the direction adjusting plate 33.
When the concrete test block 10 enters the feeding groove 311, the concrete test block 10 is located on the direction adjusting plate 33, and the direction adjusting motor 34 can drive the direction adjusting plate 33 to rotate, so that the setting angle of the concrete test block 10 can be adjusted, the side surface of the concrete test block 10 is parallel to the transverse clamping plate 41 as much as possible, and the damage risk of the concrete test block 10 in the clamping process can be reduced.
Referring to fig. 3 and 4, in order to clean the chips of the concrete test block 10, the test socket 25 is detachably connected with a collection box 27 by bolts, the collection box 27 is located below a gap between the lift plate 3 and the test socket 25, and a width dimension of the collection box 27 is larger than a gap dimension between the lift plate 3 and the test socket 25. After the pressure detection of the concrete test block 10 is completed, the inner wall of the feeding groove 311 pushes the chips on the detection seat 25 to enter the gap between the lifting plate 3 and the detection seat 25, and then the chips fall into the collecting box 27, so that the automatic cleaning of the chips can be completed, and the detection seat 25 is not required to be cleaned additionally by detection personnel.
The embodiment of the application also discloses a pressure detection method for concrete detection, which adopts the pressure detection system for concrete detection, and comprises the following steps,
s1, test preparation: taking out the concrete test block 10, checking the size and shape of the concrete test block 10, and wiping the surface of the concrete test block 10;
s2, moving a concrete test block 10: the lifting plate 3 is driven to lift by the second pushing piece 26 until the height of the lifting plate 3 is consistent with the height of the lower surface of the concrete test block 10, the concrete test block 10 is pushed into the feeding groove 311 and positioned on the direction-adjusting plate 33, and the direction-adjusting motor 34 is used for driving the direction-adjusting plate 33 to rotate, so that the arranging direction of the concrete test block 10 can be adjusted;
s3, positioning a concrete test block 10: the two opposite sides of the concrete test block 10 are clamped by the two transverse clamping plates 41, the center of the concrete test block 10 and the center of the detection seat 25 are positioned in the same vertical plane, the other two opposite sides of the concrete test block 10 are clamped by the longitudinal limiting plate 51 and the longitudinal movable plate 52, the monitoring block 543 and the signal transmitter 544 are coplanar with the center of the concrete test block 10, the lifting plate 3 is driven to lift by the second pushing member 26 until the upper surface of the lifting plate 3 and the upper surface of the detection seat 25 are positioned at the same height, the feeding plate 31 is driven by the third pushing member 32 to gradually enter between the pressing plate 23 and the detection seat 25 until the center of the concrete test block 10 and the center of the pressing plate 23 and the center of the detection seat 25 are geometrically centered when the signal receiver 545 receives signals of the signal transmitter 544;
s4, applying pressure: the pressing plate 23 is driven to descend by the first pushing piece 24 and gradually presses the concrete test block 10, and the loading speed of 0.3MPa/s-0.53MPa/s is adopted until the concrete test block 10 is broken, and the breaking limit load is recorded.
The implementation principle of the pressure detection system and the detection method for concrete detection in the embodiment of the application is as follows: when the concrete test block 10 is detected, the concrete test block 10 is moved to the vicinity of the lifting plate 3 through the trailer, and then the lifting plate 3 is driven to lift through the second pushing piece 26 until the upper surface of the lifting plate 3 and the upper surface of the trailer are at the same height, and the concrete test block 10 is pushed into the feeding groove 311;
the steering motor 34 drives the steering plate 33 and the concrete test block 10 to rotate, so that the side surface of the concrete test block 10 is parallel to the transverse clamping plates 41 as much as possible, any transverse clamping plate 41 is driven to move towards the concrete test block 10 by the fourth pushing piece 44, the other transverse clamping plate 41 is driven to move towards the concrete test block 10 by the transmission rack 452 and the transmission gear 451 until the centers of the concrete test block 10 and the center of the detection seat 25 are in the same vertical plane when the two transverse clamping plates 41 are respectively attached to the two opposite side surfaces of the concrete test block 10, and meanwhile, the first pressure sensor 42 monitors the pressure between the concrete test block 10 and timely controls the fourth pushing piece 44 to stop driving by the first control MCU 43;
the fifth pushing member 533 drives the longitudinal movable plate 52 to approach the concrete test block 10 and pushes the concrete test block 10 to move towards the longitudinal limiting plate 51, and meanwhile, the first hinging rod 541 and the second hinging rod 542 swing, so that the monitoring block 543 and the signal transmitter 544 are always positioned on the central lines of the longitudinal limiting plate 51 and the longitudinal movable plate 52 until the longitudinal limiting plate 51 and the longitudinal movable plate 52 are respectively attached to the other two opposite sides of the concrete test block 10, the monitoring block 543 and the signal transmitter 544 are coplanar with the center of the concrete test block 10, and meanwhile, the second pressure sensor 531 monitors the pressure between the concrete test block 10 and the longitudinal limiting plate 51 and timely controls the fifth pushing member 533 to stop driving through the second control MCU 532;
the lifting plate 3 is driven to lift by the second pushing member 26 until the upper surface of the lifting plate 3 and the upper surface of the detection seat 25 are at the same height, the feeding plate 31 is driven by the third pushing member 32 to gradually enter between the pressing plate 23 and the detection seat 25 until the signal receiver 545 receives the signal of the signal transmitter 544, the center of the concrete test block 10 is geometrically centered with the center of the pressing plate 23 and the center of the detection seat 25, the third control MCU546 timely controls the third pushing member 32 to stop driving, and then drives the transverse clamping plate 41 to gradually keep away from the concrete test block 10, so that pressure detection can be performed, manual carrying of the concrete test block 10 and positioning of the concrete test block 10 by human eyes are not needed, the effects of reducing operation difficulty and strength of preparation work are achieved, positioning accuracy is higher, and the pressure detection accuracy is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (4)
1. The utility model provides a pressure detection system for concrete detection, includes base (2), set up support column (21) on base (2), set up in roof (22) at support column (21) top, with roof (22) swing joint's clamp plate (23), set up on roof (22) and be used for driving clamp plate (23) go up and down first impeller (24) and set up in detect seat (25) on base (2), its characterized in that: the base (2) is movably connected with a lifting plate (3), and is provided with a second pushing piece (26) for driving the lifting plate (3) to lift;
a feeding plate (31) is arranged on the lifting plate (3) in a sliding manner, and a third pushing piece (32) for driving the feeding plate (31) to be close to or far away from the detection seat (25) is arranged;
the end part of the feeding plate (31) far away from the detection seat (25) is provided with a feeding groove (311) for the entry of a concrete test block (10), and is provided with a transverse clamping and positioning mechanism for clamping the concrete test block (10) and transversely positioning the concrete test block (10) on the detection seat (25) and a longitudinal clamping and positioning mechanism for clamping the concrete test block (10) and longitudinally positioning the concrete test block (10) on the detection seat (25);
the lifting plate (3) is provided with a through hole, a direction adjusting plate (33) is rotatably connected to the through hole, and the lifting plate (3) is provided with a direction adjusting motor (34) for driving the direction adjusting plate (33) to rotate;
when the feeding plate (31) is in an initial state, the feeding groove (311) surrounds the periphery of the through hole;
the transverse clamping and positioning mechanism comprises two transverse clamping plates (41) sliding on the feeding plate (31), a first pressure sensor (42) arranged on the transverse clamping plates (41), a first control MCU (43) arranged on the transverse clamping plates (41), a fourth pushing piece (44) arranged on the feeding plate (31) and used for driving any one transverse clamping plate (41) to slide, and a transmission assembly (45) arranged between the two transverse clamping plates (41) and used for driving the two transverse clamping plates (41) to synchronously approach or separate;
the sliding direction of the transverse clamping plates (41) is perpendicular to the sliding direction of the feeding plate (31), and the two transverse clamping plates (41) are respectively positioned at two sides of the concrete test block (10) and are consistent with the horizontal interval between the centers of the detection seats (25);
the first pressure sensor (42) is used for monitoring a first pressure between the concrete test block (10) and the transverse clamping plate (41) and generating first pressure data, and transmitting the first pressure data to the first control MCU (43);
the first control MCU (43) is used for judging whether the first pressure is higher than a threshold value according to the first pressure data, if so, the fourth pushing piece (44) is controlled to drive the transverse clamping plates (41) to stop moving, and if not, the fourth pushing piece (44) is controlled to drive the transverse clamping plates (41) to be close to each other;
the longitudinal clamping and positioning mechanism comprises a longitudinal limiting plate (51) arranged on the transverse clamping plate (41), a longitudinal movable plate (52) movable on the transverse clamping plate (41), a driving assembly (53) arranged on the transverse clamping plate (41) and a longitudinal monitoring assembly (54) arranged between the longitudinal limiting plate (51) and the longitudinal movable plate (52);
the longitudinal limiting plates (51) and the longitudinal movable plates (52) are respectively positioned at the other two sides of the concrete test block (10);
the driving assembly (53) drives the longitudinal movable plate (52) to be close to the longitudinal limiting plate (51) when the two transverse clamping plates (41) are abutted against the concrete test block (10);
the longitudinal monitoring assembly (54) is used for monitoring whether the center of the concrete test block (10) is aligned with the center of the detection seat (25) or not and controlling the feeding plate (31) to stop sliding when the center of the concrete test block (10) is aligned with the center of the detection seat (25);
the driving assembly (53) comprises a second pressure sensor (531) arranged on the longitudinal limiting plate (51), a second control MCU (532) arranged on the transverse clamping plate (41) and a fifth pushing piece (533) arranged on the transverse clamping plate (41) and used for driving the longitudinal movable plate (52) to slide;
the second pressure sensor (531) is configured to monitor a second pressure between the concrete test block (10) and the longitudinal limiting plate (51), generate second pressure data, and transmit the second pressure data to the second control MCU (532);
the second control MCU (532) is configured to determine whether a second pressure is higher than a threshold according to the second pressure data, if the first pressure is higher than the threshold, control the fifth pushing element (533) to drive the longitudinal movable plate (52) to approach the longitudinal limiting plate (51), and if the second pressure is higher than the threshold, control the fifth pushing element (533) to stop driving the longitudinal movable plate (52) to move;
the longitudinal monitoring assembly (54) comprises a first hinging rod (541) hinged on the longitudinal limiting plate (51), a second hinging rod (542) hinged on the longitudinal movable plate (52), a monitoring block (543) hinged with the end part of the first hinging rod (541) and the end part of the second hinging rod (542), a signal transmitter (544) arranged on the monitoring block (543), a signal receiver (545) arranged on the detection seat (25) or the base (2) and a third control MCU (546);
the first hinging rod (541) and the second hinging rod (542) have the same length dimension;
-the signal transmitter (544) is adapted to transmit a positioning signal;
the signal receiver (545) is positioned on the central surface of the detection seat (25), and the signal receiver (545) is used for receiving a positioning signal and forming signal data and transmitting the signal data to the third control MCU (546);
the third control MCU (546) is used for controlling the third pushing piece (32) to stop driving the feeding plate (31) to move after receiving the signal data.
2. The pressure detection system for concrete detection according to claim 1, wherein: the transmission assembly (45) comprises a transmission gear (451) rotatably connected to the feeding plate (31) and two transmission racks (452) respectively connected to the two transverse clamping plates (41);
the two transmission racks (452) are respectively positioned at two sides of the transmission gear (451) and are meshed with the transmission gear (451).
3. The pressure detection system for concrete detection according to claim 1, wherein: the detection seat (25) is detachably connected with a collection box (27), and the collection box (27) is positioned below a gap between the lifting plate (3) and the detection seat (25).
4. A pressure detection method for concrete detection, employing the pressure detection system for concrete detection according to any one of claims 1 to 3, characterized in that: comprises the steps of,
s1, test preparation: taking out the concrete test block (10), checking the size and shape of the concrete test block (10), and wiping the surface of the concrete test block (10);
s2, moving a concrete test block (10): the lifting plate (3) is driven to lift by the second pushing piece (26) until the height of the lifting plate (3) is consistent with that of the concrete test block (10), and the concrete test block (10) is pushed into the feeding groove (311);
s3, positioning a concrete test block (10): the concrete test block (10) is clamped through the longitudinal clamping and positioning mechanism and the transverse clamping and positioning mechanism, and the centers of the concrete test block (10) and the pressing plate (23) and the center of the detection seat (25) are geometrically centered;
s4, applying pressure: the pressing plate (23) is driven to descend and gradually squeeze the concrete test block (10) through the first pushing piece (24), and the loading speed of 0.3MPa/s-0.53MPa/s is adopted until the concrete test block (10) is broken, and the breaking limit load is recorded.
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