CN116256236A - Device and method for detecting compressive strength of building concrete member - Google Patents
Device and method for detecting compressive strength of building concrete member Download PDFInfo
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- CN116256236A CN116256236A CN202310132717.0A CN202310132717A CN116256236A CN 116256236 A CN116256236 A CN 116256236A CN 202310132717 A CN202310132717 A CN 202310132717A CN 116256236 A CN116256236 A CN 116256236A
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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
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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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
- G01N2203/0044—Pneumatic 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
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention relates to the field of compression resistance detection, in particular to a device and a method for detecting the compression strength of a building concrete member, wherein the device comprises a protection cylinder, a lifting device, a support column, an arc-shaped support plate, a pull rope and a guide cone shell; the protection cylinder is provided with a discharging door, an operating door and an operating panel; the lifting device is arranged at the top of the protective cylinder, and a pressure sensor is arranged between the pressing plate and the telescopic end of the lifting device; the support columns are vertically and rotatably arranged on the bottom supporting plate, and bottom supporting plates are arranged at the tops of the support columns; a circular plate is arranged at the top of the arc-shaped supporting plate; the bottom of the extrusion rod is rotationally connected with the top of the circular plate, a centering assembly is arranged on the circular plate, two pull ropes are led out of the protective cylinder by the centering assembly, and each pull rope controls the two opposite extrusion rods to rotate to be close to or far away from each other; the inner peripheral wall of the guide cone shell is connected with the circular plate. In the invention, the concrete member is simple to center, and in addition, the bottom supporting plate can be cleaned rapidly and thoroughly through the rotating centrifugal force of the bottom supporting plate and the contact scraping of the extrusion rod.
Description
Technical Field
The invention relates to the technical field of compressive strength detection, in particular to a device and a method for detecting compressive strength of a building concrete member.
Background
The quality of the concrete member is related to the safety of the building structure, and engineering technicians evaluate the quality level of the concrete by detecting various technical indexes of the concrete, wherein the compressive strength of the concrete is one of important indexes of the concrete member. The compression strength detection device drives the pressing plate to downwards press and detect the concrete member through the top lifting device. The briquetting is easy to produce granule piece with concrete test piece extrusion, and the piece splashes easily under the pressurized and causes operating personnel injury, and needs operating personnel to place concrete member in the intermediate position of bottom sprag board before detecting, otherwise influences the testing result easily, detects in addition and finishes the back, needs operating personnel to take out the test piece and will glue the concrete cleaning in the bottom sprag board and just can carry out follow-up detection, the operation is inconvenient.
The invention discloses a concrete member compressive strength detection device and a detection method thereof, which are disclosed in the Chinese patent with the authority of publication number CN114778316A, on one hand, the invention enables a worker to place a concrete test piece at the center of a detection table more accurately, improves the accuracy of a detection result, on the other hand, the invention facilitates the worker to rapidly process residues after the test is finished, effectively improves the detection efficiency, and simultaneously solves the problem of the reduction of the accuracy of the detection result caused by the uneven detection table due to residual sundries, and further improves the accuracy of the detection result.
However, the above disclosed solution has the following disadvantages: the centering of concrete test piece still needs operating personnel to consult the pilot lamp to place to do not improve the convenience of centering and place, only be difficult to discharge the residue completely through rotating the detection box in addition, because under the weight, the residue can glue in the detection box and can't pour smoothly.
Disclosure of Invention
The invention aims to solve the problems that a concrete member is inconvenient to center and residue is inconvenient to discharge after detection in the prior art, and provides a device and a method for detecting the compressive strength of a building concrete member.
On one hand, the invention provides a device for detecting the compressive strength of a building concrete member, which comprises a protective cylinder, a lifting device, a support column, an arc-shaped support plate, a pull rope and a guide cone shell;
the top of the protection cylinder is closed, the bottom of the protection cylinder is provided with a bottom supporting plate, the edge of the bottom supporting plate is sunken downwards to form an annular receiving groove, the bottom of the protection cylinder is provided with a discharging door, and the protection cylinder is provided with an operation door and an operation panel; the lifting device is vertical and penetrates through the top of the protective cylinder, a pressing plate is arranged on the telescopic end of the bottom of the lifting device, and a pressure sensor is arranged between the pressing plate and the telescopic end of the lifting device; the support columns are vertically and rotatably arranged on the bottom supporting plates, the bottom supporting plates are arranged at the tops of the support columns, and concrete members are placed on the bottom supporting plates; the arc-shaped supporting plate is arranged on the bottom supporting plate, a circular plate is arranged at the top of the arc-shaped supporting plate, a through hole for the supporting column to pass through is formed in the circular plate, and a power assembly for driving the supporting column to rotate is arranged at the bottom of the circular plate; the extrusion rod consists of two sections of straight rods which are mutually perpendicular, the bottom of the extrusion rod is rotationally connected with the top of a circular plate, four groups of extrusion rods are uniformly arranged in the circumferential direction by taking the axis of a support column as the center, a centering assembly is arranged on the circular plate, two pull ropes are led out of the protective cylinder by the centering assembly, and each pull rope controls the two groups of extrusion rods which are opposite to each other to rotate to be close to or far away from each other; the inner peripheral wall of the guide cone shell is connected with the circular plate, the small opening end at the top of the guide cone shell is positioned below the bottom supporting plate, the large opening end at the bottom of the guide cone shell is positioned right above the annular receiving groove, and a plurality of groups of avoidance grooves for the movement of the extrusion rods are formed in the guide cone shell.
Preferably, a control system is arranged on the protective cylinder and is in signal transmission connection with the pressure sensor, the control system is electrically connected with the operation panel, and the control system is in control connection with the power assembly.
Preferably, the lifting device is an air cylinder or a hydraulic cylinder; the operation door is of a transparent structure; the bottom of the bottom supporting plate is provided with a plurality of groups of supporting legs.
Preferably, the power assembly comprises a motor, a gear a and a gear b; the motor is arranged at the bottom of the circular plate, the gear a is arranged on the supporting column, the gear b is arranged on the output shaft of the motor, and the gear b is meshed with the gear a.
Preferably, the device also comprises a gear c, an annular gear ring, a lantern ring and a receiving ring; a supporting rod is rotatably arranged on the bottom supporting plate, a gear c is arranged on the supporting rod, and the gear c is meshed with the gear b; the lantern ring is vertically arranged and is attached to the vertical transitional peripheral surface of the bottom supporting plate, the annular gear ring is arranged on the inner peripheral wall of the lantern ring, and the annular gear ring is meshed with the gear c; the material receiving ring is horizontally arranged at the bottom of the lantern ring and is contacted with the bottom of the annular material receiving groove.
Preferably, the centering component comprises a fixed plate, a torsion spring, a reel, a lifting frame a, a lifting frame b, a guide rod, a flat plate and a guide ring; eight fixing plates are arranged on the circular plate, every two fixing plates are in a group, a rotating shaft is rotatably arranged between every two fixing plates, a limiting ring is arranged on the rotating shaft, and the bottom of the extrusion rod is connected with the rotating shaft; the torsion springs are sleeved on the rotating shaft, two ends of the torsion springs are respectively connected with the fixed plate and the limiting ring, and the torsion springs are provided with four groups; the reels are arranged on the rotating shaft, four groups of reels are arranged, and the two groups of reels which are opposite are respectively wound with a connecting rope b and a connecting rope a; the lifting frame a and the lifting frame b are both arranged on the circular plate, the lifting frame a is positioned at the inner side of the lifting frame b, a plurality of groups of guide rods are vertically arranged on the circular plate, a plurality of groups of guide holes for the guide rods to pass through are formed in the lifting frame a and the lifting frame b, two sides of the lifting frame a are simultaneously connected with two groups of connecting ropes a, and two sides of the lifting frame b are simultaneously connected with two groups of connecting ropes b; the guide ring sets up on the mount that the guide bar top set up, and the guide ring sets up two sets of, and two sets of stay cords pass two sets of guide rings respectively and are connected with two sets of flat boards, and two sets of flat boards bottom all vertically set up the spring, and two sets of springs are connected with crane a and crane b top respectively.
Preferably, the device also comprises a lifting plate, a vertical rod, a guide cylinder and a supporting plate; the lifting plate is arranged on the outer wall of the protective cylinder in a sliding manner along the vertical direction; the supporting plate is arranged on the outer wall of the protective cylinder and positioned at the bottom of the lifting plate; the guide cylinder is vertically provided with a plurality of groups in the support plate, the vertical rod is vertically provided with a plurality of groups at the bottom of the lifting plate, the bottom of the vertical rod is matched and inserted into the guide cylinder, and two groups of pull ropes are simultaneously connected with the lifting plate.
On the other hand, the invention provides a detection method of the device for detecting the compressive strength of the building concrete member, which comprises the following steps:
s1, opening an operation door to place a concrete member on a bottom supporting plate, and then closing the operation door;
s2, pulling the two groups of pull ropes to drive the extrusion rods to rotate, pushing the concrete member to the middle position of the bottom supporting plate through the four groups of extrusion rods, completing centering of the concrete member, and then reversely rotating the four groups of extrusion rods to an initial state without affecting the movement of the pressing plate;
s3, operating the lifting device through the operation panel to enable the pressing plate to be driven to descend, enabling the pressing plate to descend to squeeze the concrete member, detecting a pressure value through the pressure sensor, and displaying the pressure value on the operation panel to obtain compressive strength;
s4, after detection is finished, opening an operation door, and taking down the massive concrete member;
s5, the rest fine or small concrete members on the bottom supporting plate pull the extrusion rods again through two groups of pull ropes to rotate and approach each other, and the tops of the four groups of extrusion rods form a cross structure and are attached to the bottom supporting plate;
s6, starting the power assembly to drive the bottom supporting plate to rotate through the supporting column, and under the contact action of centrifugal force and the extrusion rod, finely crushing or small concrete members on the bottom supporting plate slide into the annular receiving groove along the guide cone shell to complete rapid and thorough cleaning of the bottom supporting plate.
Compared with the prior art, the invention has the following beneficial technical effects: the concrete member centering is simple, does not need the place position of operating personnel control concrete member, and it is more convenient to use, also can guarantee compressive strength's detection precision, in addition, through the contact scraping of bottom sprag board's rotation centrifugal force and extrusion pole, tiny concrete member in the bottom sprag board is along the landing of guide cone shell to annular receiving inslot, can accomplish the quick thorough clearance of bottom sprag board, is convenient for develop follow-up detection fast.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the protective cylinder;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a schematic view of the structure of FIG. 2 with the cone shell removed;
fig. 5 is a schematic diagram showing the cooperation of the bottom support plate and the extrusion rod in the cleaning state.
Reference numerals: 1. a protective cylinder; 2. a bottom support plate; 3. support legs; 4. a discharge door; 5. an operation door; 6. an operation panel; 7. a lifting device; 8. a pressing plate; 9. a support column; 10. a bottom support plate; 11. a concrete member; 12. an arc-shaped supporting plate; 13. a circular plate; 14. a fixing plate; 15. a limiting ring; 16. a torsion spring; 17. an extrusion rod; 18. a reel; 19. a connecting rope b; 20. a connecting rope a; 21. a lifting frame a; 22. a lifting frame b; 23. a guide rod; 24. a pull rope; 25. a flat plate; 26. a spring; 27. a guide ring; 28. a motor; 29. a gear a; 30. a gear b; 31. a gear c; 32. an annular gear ring; 33. a collar; 34. a receiving ring; 35. a guide cone shell; 36. a lifting plate; 37. a vertical rod; 38. a guide cylinder; 39. and a support plate.
Detailed Description
Example 1
The invention provides a device for detecting the compressive strength of a building concrete member, which comprises a protective cylinder 1, a lifting device 7, a support column 9, an arc-shaped support plate 12, a pull rope 24 and a guide cone shell 35;
as shown in fig. 1-2, the top of the protection cylinder 1 is closed, the bottom of the protection cylinder is provided with a bottom supporting plate 2, the bottom of the bottom supporting plate 2 is provided with a plurality of groups of supporting legs 3, the edge of the bottom supporting plate 2 is downwards sunken to form an annular receiving groove, the bottom of the protection cylinder 1 is provided with a discharging door 4, the protection cylinder 1 is provided with an operation door 5 and an operation panel 6, and the operation door 5 is of a transparent structure; the lifting device 7 is vertical and penetrates through the top of the protective cylinder 1, the pressure plate 8 is arranged on the telescopic end of the bottom of the lifting device 7, a pressure sensor is arranged between the pressure plate 8 and the telescopic end of the lifting device 7, and the lifting device 7 is an air cylinder or a hydraulic cylinder.
As shown in fig. 3-4, the support column 9 is vertically and rotatably arranged on the bottom supporting plate 2, the bottom supporting plate 10 is arranged at the top of the support column 9, and the concrete member 11 is placed on the bottom supporting plate 10; the arc-shaped supporting plate 12 is arranged on the bottom supporting plate 2, a circular plate 13 is arranged at the top of the arc-shaped supporting plate 12, a through hole for the supporting column 9 to pass through is formed in the circular plate 13, and a power assembly for driving the supporting column 9 to rotate is arranged at the bottom of the circular plate 13; the extrusion rod 17 is composed of two sections of straight rods which are perpendicular to each other, the bottom of the extrusion rod 17 is rotationally connected with the top of the circular plate 13, four groups of extrusion rods 17 are uniformly arranged in the circumferential direction by taking the axis of the support column 9 as the center, a centering assembly is arranged on the circular plate 13, two pull ropes 24 are led out of the protective cylinder 1 by the centering assembly, and each pull rope 24 controls the two groups of extrusion rods 17 to rotate close to or far away from each other.
As shown in fig. 2, the inner peripheral wall of the guide cone shell 35 is connected with the circular plate 13, the small opening end at the top of the guide cone shell 35 is positioned below the bottom supporting plate 10, the large opening end at the bottom of the guide cone shell 35 is positioned right above the annular receiving groove, and a plurality of groups of avoidance grooves for the movement of the extrusion rods 17 are formed in the guide cone shell 35.
As shown in fig. 5, when cleaning the bottom supporting plate 10, the two groups of pull ropes 24 drive the four groups of extrusion rods 17 to rotate and close to and attach to the bottom supporting plate 10, and the tops of the four groups of extrusion rods 17 form a cross structure.
The protection cylinder 1 is provided with a control system, the control system is in signal transmission connection with the pressure sensor, the control system is electrically connected with the operation panel 6, and the control system is in control connection with the power assembly.
Working principle: opening the operation door 5 to place the concrete member 11 on the bottom support plate 10, closing the operation door 5, pulling the two groups of pull ropes 24 to drive the extrusion rods 17 to rotate, pushing the concrete member 11 to the middle position of the bottom support plate 10 through the four groups of extrusion rods 17 to complete centering of the concrete member 11, and then reversely rotating the four groups of extrusion rods 17 to an initial state without affecting the movement of the pressing plate 8. Then the lifting device 7 drives the pressing plate 8 to descend through the operation panel 6, the pressing plate 8 descends to squeeze the concrete member, the pressure value is detected through the pressure sensor, and the pressure value is displayed on the operation panel 6 to obtain the compressive strength. After the detection is finished, the operation door 5 is opened, the large concrete member 11 is taken down, the rest small concrete member 11 on the bottom support plate 10 is pulled by the two groups of pull ropes 24 again to rotate the extrusion rods 17 and approach each other, the tops of the four groups of extrusion rods 17 form a cross structure and are attached to the bottom support plate 10, then the power assembly is started to drive the bottom support plate 10 to rotate through the support columns 9, and under the action of centrifugal force and contact scraping of the extrusion rods 17, the small concrete member 11 on the bottom support plate 10 slides into the annular receiving groove along the material guiding cone shell 35, so that the bottom support plate 10 is quickly and thoroughly cleaned.
In this embodiment, the centering of the concrete member 11 is simple, and the operator is not required to control the placement position of the concrete member 11, so that the use is more convenient, and the detection accuracy of the compressive strength can be ensured.
Example two
As shown in fig. 3, in the device for detecting the compressive strength of a building concrete member according to the present invention, compared with the first embodiment, the power assembly includes a motor 28, a gear a29 and a gear b30; the motor 28 is arranged at the bottom of the circular plate 13, the gear a29 is arranged on the support column 9, the gear b30 is arranged on the output shaft of the motor 28, and the gear b30 is meshed with the gear a 29.
As shown in fig. 3 to 4, the device for detecting the compressive strength of the building concrete member further comprises a gear c31, an annular gear ring 32, a collar 33 and a receiving ring 34; a supporting rod is rotatably arranged on the bottom supporting plate 2, a gear c31 is arranged on the supporting rod, and the gear c31 is meshed with a gear b30; the lantern ring 33 is vertically arranged and is attached to the vertical transitional peripheral surface of the bottom supporting plate 2, the annular gear ring 32 is arranged on the inner peripheral wall of the lantern ring 33, and the annular gear ring 32 is meshed with the gear c 31; the receiving ring 34 is horizontally arranged at the bottom of the lantern ring 33, and the receiving ring 34 is contacted with the bottom of the annular receiving groove.
In this embodiment, when the fine or small concrete member 11 on the bottom supporting plate 10 needs to be cleaned, the motor 28 drives the gear b30 to rotate, then the gear a29 can drive the supporting column 9 and the bottom supporting plate 10 to rotate, the bottom supporting plate 10 is cleaned rapidly and thoroughly by the contact scraping of the centrifugal force and the extrusion rod 17, the subsequent detection is convenient, the motor 28 is started, and simultaneously, the collar 33 and the receiving ring 34 are driven to rotate by the gear c31 and the annular gear ring 32, so that the discharge door 4 is convenient to open to manually discharge the fine concrete member 11 falling onto the receiving ring 34, and the manual discharge of the fine concrete member 11 is not performed periodically.
Example III
As shown in fig. 3 to 4, in comparison with the first embodiment, the centering assembly of the present invention comprises a fixing plate 14, a torsion spring 16, a reel 18, a lifting frame a21, a lifting frame b22, a guide rod 23, a flat plate 25 and a guide ring 27; the fixed plates 14 are arranged on the circular plate 13 in groups of eight and two pairs, a rotating shaft is rotatably arranged between the two fixed plates 14 of each group, a limiting ring 15 is arranged on the rotating shaft, and the bottom of the extrusion rod 17 is connected with the rotating shaft; the torsion springs 16 are sleeved on the rotating shaft, two ends of each torsion spring 16 are respectively connected with the fixed plate 14 and the limiting rings 15, and the torsion springs 16 are provided with four groups; the reels 18 are arranged on the rotating shafts, the reels 18 are provided with four groups, and the two groups of opposite reels 18 are respectively wound with a connecting rope b19 and a connecting rope a20; the lifting frame a21 and the lifting frame b22 are both arranged on the circular plate 13, the lifting frame a21 is positioned at the inner side of the lifting frame b22, a plurality of groups of guide rods 23 are vertically arranged on the circular plate 13, a plurality of groups of guide holes for the guide rods 23 to pass through are formed in the lifting frame a21 and the lifting frame b22, two sides of the lifting frame a21 are simultaneously connected with two groups of connecting ropes a20, and two sides of the lifting frame b22 are simultaneously connected with two groups of connecting ropes b 19; the guide ring 27 sets up on the mount that guide bar 23 top set up, and the guide ring 27 sets up two sets of, and two sets of stay cords 24 pass two sets of guide rings 27 respectively and are connected with two sets of dull and stereotyped 25, and two sets of dull and stereotyped 25 bottoms all vertically set up spring 26, and two sets of spring 26 are connected with crane a21 and crane b22 top respectively.
As shown in fig. 1, the device for detecting the compressive strength of the building concrete member further comprises a lifting plate 36, a vertical rod 37, a guide cylinder 38 and a supporting plate 39; the lifting plate 36 is arranged on the outer wall of the protective cylinder 1 in a sliding manner along the vertical direction; the supporting plate 39 is arranged on the outer wall of the protective cylinder 1 and is positioned at the bottom of the lifting plate 36; the guide cylinder 38 is vertically provided with a plurality of groups on the supporting plate 39, the vertical rod 37 is vertically provided with a plurality of groups at the bottom of the lifting plate 36, the bottom of the vertical rod 37 is matched and inserted into the guide cylinder 38, and the two groups of pull ropes 24 are simultaneously connected with the lifting plate 36.
In this embodiment, after the concrete member 11 is placed on the bottom supporting plate 10, the lifting plate 36 is pressed downwards, the lifting plate 36 drives the two groups of pull ropes 24 to move, the two groups of pull rope extension springs 26 simultaneously drive the lifting frame a21 and the lifting frame b22 to move upwards, the extrusion rods 17 can be rotated and folded through the connecting ropes a20 and the connecting ropes b19, the concrete member 11 is extruded to the middle position of the bottom supporting plate 10 through the four groups of extrusion rods 17, when the concrete member 11 is not in a cubic structure, the concrete member 11 is pushed by the two groups of opposite extrusion rods 17 in a larger size direction, then the two groups of extrusion rods 17 which are propped against the concrete member 11 can not move continuously along with the stretching of the lifting plate 36, and the other two groups of extrusion rods 17 which are propped against the concrete member 11 are pushed by the other two groups of opposite extrusion rods 17 in the vertical direction, so that the centering of the concrete member 11 can be completed, and an operator is not required to control the placement position of the concrete member 11, and the operation is simpler and more convenient.
Example IV
The detection method based on the embodiment of the device for detecting the compressive strength of the building concrete member comprises the following steps of:
s1, opening the operation door 5 to place the concrete member 11 on the bottom support plate 10, and then closing the operation door 5;
s2, pulling the two groups of pull ropes 24 to drive the extrusion rods 17 to rotate, pushing the concrete member 11 to the middle position of the bottom supporting plate 10 through the four groups of extrusion rods 17, completing the centering of the concrete member 11, and then reversely rotating the four groups of extrusion rods 17 to an initial state without affecting the movement of the pressing plate 8;
s3, operating the lifting device 7 through the operation panel 6 to drive the pressing plate 8 to descend, enabling the pressing plate 8 to descend and squeeze the concrete member, detecting a pressure value through the pressure sensor, and displaying the pressure value on the operation panel 6 to obtain compressive strength;
s4, after the detection is finished, opening the operation door 5, and taking down the massive concrete member 11;
s5, the rest fine or small concrete members 11 on the bottom supporting plate 10 pull the extrusion rods 17 again through two groups of pull ropes 24 to rotate and approach each other, and the tops of the four groups of extrusion rods 17 form a cross structure and are attached to the bottom supporting plate 10;
s6, the starting power assembly drives the bottom supporting plate 10 to rotate through the supporting columns 9, and under the contact action of centrifugal force and the extrusion rods 17, fine or small concrete members 11 on the bottom supporting plate 10 slide into the annular receiving groove along the material guiding conical shell 35, so that the bottom supporting plate 10 is cleaned rapidly and thoroughly.
In this embodiment, concrete member 11 centering is simple, does not need the position of placing of operating personnel control concrete member 11, and it is more convenient to use, also can guarantee compressive strength's detection precision, in addition, through the rotation centrifugal force of bottom support plate 10 and the contact scraping of extrusion pole 17, tiny concrete member 11 on the bottom support plate 10 slides along guide cone shell 35 to annular receiving inslot, can accomplish bottom support plate 10's quick thoroughly clearance, and follow-up detection is conveniently carried out fast, and detection efficiency is high.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. The device for detecting the compressive strength of the building concrete member is characterized by comprising a protective cylinder (1), a lifting device (7), a support column (9), an arc-shaped support plate (12), a pull rope (24) and a guide cone shell (35);
the top of the protection cylinder (1) is closed, the bottom of the protection cylinder is provided with a bottom supporting plate (2), the edge of the bottom supporting plate (2) is sunken downwards to form an annular receiving groove, the bottom of the protection cylinder (1) is provided with a discharging door (4), and the protection cylinder (1) is provided with an operation door (5) and an operation panel (6); the lifting device (7) is vertical and penetrates through the top of the protective cylinder (1), a pressing plate (8) is arranged at the telescopic end at the bottom of the lifting device (7), and a pressure sensor is arranged between the pressing plate (8) and the telescopic end of the lifting device (7); the support columns (9) are vertically and rotatably arranged on the bottom supporting plate (2), the bottom supporting plate (10) is arranged at the top of each support column (9), and concrete members (11) are placed on the bottom supporting plates (10); the arc-shaped supporting plate (12) is arranged on the bottom supporting plate (2), a circular plate (13) is arranged at the top of the arc-shaped supporting plate (12), a through hole for the supporting column (9) to pass through is formed in the circular plate (13), and a power assembly for driving the supporting column (9) to rotate is arranged at the bottom of the circular plate (13); the extrusion rod (17) is composed of two sections of straight rods which are perpendicular to each other, the bottom of the extrusion rod (17) is rotationally connected with the top of the circular plate (13), four groups of extrusion rods (17) are uniformly arranged in the circumferential direction by taking the axis of the support column (9) as the center, the circular plate (13) is provided with a centering assembly, the centering assembly leads out two pull ropes (24) to the outside of the protective cylinder (1), and each pull rope (24) controls the two opposite groups of extrusion rods (17) to rotate to be close to or far away from each other; the inner peripheral wall of the guide cone shell (35) is connected with the circular plate (13), the small opening end at the top of the guide cone shell (35) is positioned below the bottom supporting plate (10), the large opening end at the bottom of the guide cone shell (35) is positioned right above the annular receiving groove, and a plurality of groups of avoidance grooves for the movement of the extrusion rods (17) are formed in the guide cone shell (35).
2. The device for detecting the compressive strength of the building concrete member according to claim 1, wherein a control system is arranged on the protective cylinder (1), the control system is in signal transmission connection with the pressure sensor, the control system is electrically connected with the operation panel (6), and the control system is in control connection with the power assembly.
3. The device for detecting the compressive strength of a building concrete member according to claim 1, wherein the lifting device (7) is a cylinder or a hydraulic cylinder; the operation door (5) is of a transparent structure; the bottom of the bottom supporting plate (2) is provided with a plurality of groups of supporting legs (3).
4. The device for detecting the compressive strength of a building concrete member according to claim 1, wherein the power assembly includes a motor (28), a gear a (29) and a gear b (30); the motor (28) is arranged at the bottom of the circular plate (13), the gear a (29) is arranged on the supporting column (9), the gear b (30) is arranged on the output shaft of the motor (28), and the gear b (30) is meshed with the gear a (29).
5. The device for detecting the compressive strength of a building concrete member according to claim 4, further comprising a gear c (31), an annular gear ring (32), a collar (33) and a receiving ring (34); a supporting rod is rotatably arranged on the bottom supporting plate (2), a gear c (31) is arranged on the supporting rod, and the gear c (31) is meshed with a gear b (30); the lantern ring (33) is vertically arranged and is attached to the vertical transitional peripheral surface of the bottom supporting plate (2), the annular gear ring (32) is arranged on the inner peripheral wall of the lantern ring (33), and the annular gear ring (32) is meshed with the gear c (31); the receiving ring (34) is horizontally arranged at the bottom of the lantern ring (33), and the receiving ring (34) is contacted with the bottom of the annular receiving groove.
6. The device for detecting the compressive strength of a building concrete element according to claim 1, wherein the centering assembly comprises a fixed plate (14), a torsion spring (16), a reel (18), a lifting frame a (21), a lifting frame b (22), a guide rod (23), a flat plate (25) and a guide ring (27); eight groups of fixing plates (14) are arranged on the circular plate (13), a rotating shaft is rotatably arranged between every two groups of the fixing plates (14), a limiting ring (15) is arranged on the rotating shaft, and the bottom of the extrusion rod (17) is connected with the rotating shaft; the torsion springs (16) are sleeved on the rotating shaft, two ends of each torsion spring (16) are respectively connected with the fixed plate (14) and the limiting rings (15), and the torsion springs (16) are provided with four groups; the reels (18) are arranged on the rotating shaft, the reels (18) are provided with four groups, and the two groups of reels (18) which are opposite are respectively wound with a connecting rope b (19) and a connecting rope a (20); the lifting frames a (21) and b (22) are both arranged on the circular plate (13), the lifting frames a (21) are positioned on the inner side of the lifting frames b (22), a plurality of groups of guide rods (23) are vertically arranged on the circular plate (13), a plurality of groups of guide holes for the guide rods (23) to pass through are formed in the lifting frames a (21) and b (22), two sides of the lifting frames a (21) are simultaneously connected with two groups of connecting ropes a (20), and two sides of the lifting frames b (22) are simultaneously connected with two groups of connecting ropes b (19); the guide ring (27) is arranged on a fixed frame arranged at the top of the guide rod (23), the guide ring (27) is provided with two groups, two groups of pull ropes (24) respectively penetrate through the two groups of guide rings (27) to be connected with two groups of flat plates (25), springs (26) are vertically arranged at the bottoms of the two groups of flat plates (25), and the two groups of springs (26) are respectively connected with the tops of the lifting frames a (21) and the lifting frames b (22).
7. The device for detecting the compressive strength of a building concrete member according to claim 6, further comprising a lifting plate (36), a vertical rod (37), a guide cylinder (38) and a support plate (39); the lifting plate (36) is arranged on the outer wall of the protective cylinder (1) in a sliding manner along the vertical direction; the supporting plate (39) is arranged on the outer wall of the protective cylinder (1) and is positioned at the bottom of the lifting plate (36); the guide cylinder (38) is vertically provided with a plurality of groups on the supporting plate (39), the vertical rod (37) is vertically provided with a plurality of groups at the bottom of the lifting plate (36), the bottom of the vertical rod (37) is matched and inserted into the guide cylinder (38), and the two groups of pull ropes (24) are simultaneously connected with the lifting plate (36).
8. A method of detecting a compressive strength of a construction concrete element according to claim 1, comprising the steps of:
s1, opening an operation door (5) to place a concrete member (11) on a bottom supporting plate (10), and then closing the operation door (5);
s2, pulling the two groups of pull ropes (24) to drive the extrusion rods (17) to rotate, pushing the concrete member (11) to the middle position of the bottom supporting plate (10) through the four groups of extrusion rods (17), completing centering of the concrete member (11), and then reversely rotating the four groups of extrusion rods (17) to an initial state without influencing the movement of the pressing plate (8);
s3, operating through an operation panel (6) to enable the lifting device (7) to drive the pressing plate (8) to descend, enabling the pressing plate (8) to descend to squeeze the concrete member, detecting a pressure value through the pressure sensor, and displaying the pressure value on the operation panel (6) to obtain compressive strength;
s4, after the detection is finished, opening an operation door (5), and taking down a large concrete member (11);
s5, the rest fine crushed or small concrete members (11) on the bottom supporting plate (10) pull the extrusion rods (17) again through two groups of pull ropes (24) to rotate and approach each other, and the tops of the four groups of extrusion rods (17) form a cross structure and are attached to the bottom supporting plate (10);
s6, the starting power assembly drives the bottom supporting plate (10) to rotate through the supporting column (9), and under the contact action of centrifugal force and the extrusion rod (17), fine crushing or small concrete members (11) on the bottom supporting plate (10) slide into the annular receiving groove along the material guiding conical shell (35), so that the bottom supporting plate (10) is cleaned rapidly and thoroughly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310132717.0A CN116256236A (en) | 2023-02-16 | 2023-02-16 | Device and method for detecting compressive strength of building concrete member |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310132717.0A CN116256236A (en) | 2023-02-16 | 2023-02-16 | Device and method for detecting compressive strength of building concrete member |
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| CN116256236A true CN116256236A (en) | 2023-06-13 |
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| CN202310132717.0A Pending CN116256236A (en) | 2023-02-16 | 2023-02-16 | Device and method for detecting compressive strength of building concrete member |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118150344A (en) * | 2024-05-10 | 2024-06-07 | 江西赣粤高速公路股份有限公司 | Performance detection equipment for precast beam |
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- 2023-02-16 CN CN202310132717.0A patent/CN116256236A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118150344A (en) * | 2024-05-10 | 2024-06-07 | 江西赣粤高速公路股份有限公司 | Performance detection equipment for precast beam |
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