CN117451535A - Concrete quality detection device for hydraulic engineering - Google Patents
Concrete quality detection device for hydraulic engineering Download PDFInfo
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- CN117451535A CN117451535A CN202311764178.9A CN202311764178A CN117451535A CN 117451535 A CN117451535 A CN 117451535A CN 202311764178 A CN202311764178 A CN 202311764178A CN 117451535 A CN117451535 A CN 117451535A
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 94
- 238000012360 testing method Methods 0.000 claims abstract description 81
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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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
- G01N2203/0023—Bending
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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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a concrete quality detection device for hydraulic engineering, which comprises a pressurizing mechanism, a top pressure mechanism and a bottom supporting mechanism, wherein the top pressure mechanism and the bottom supporting mechanism are used for vertically pressurizing a concrete test block to detect, the top pressure mechanism is arranged at the upper end of the concrete test block, a pressure balance component which always ensures downward pressure balance is arranged in the top pressure mechanism, the top pressure mechanism is fixed on a pressure piece of the pressurizing mechanism, the bottom supporting mechanism is arranged at the lower end of the concrete test block, the bottom supporting mechanism is fixed on a supporting piece of the pressurizing mechanism, lateral pressure mechanisms used for applying pressure to the concrete test block are symmetrically arranged on two sides of the concrete test block, and the lateral pressure mechanisms are fixedly arranged on the pressurizing mechanism and are used for solving the technical problem that when the concrete test block is tested, the testing result is influenced due to the fact that uneven deformation of the internal stress of the concrete test block is offset.
Description
Technical Field
The invention relates to the technical field of concrete detection, in particular to a concrete quality detection device for hydraulic engineering.
Background
Bending (bending) strength and deformation are important material properties of concrete, and in hydraulic engineering, concrete bending (bending) strength is also an important index for structural design and quality control. In practice, bending (buckling) tests are often used as a means of testing the resistance of the concrete itself, since the bending loading mode is easier to implement than direct stretching.
In the prior art, the patent of the invention with the publication number of CN106769446B discloses a solid concrete compressive strength ring pressing method detector, wherein in the detection process, the detector is adopted to press a concrete cylinder sample, the ring pressing value is measured, and the concrete compressive strength is estimated according to a conversion formula established between the concrete compressive strength and the ring pressing value. However, in the actual concrete bending and bending resistance test, the center of the pressing point position can be ensured due to the characteristic reasons of the concrete, but the bending of the concrete can not be ensured to be always centered, when the test is performed, if the bending condition of one side is larger, the top pressing point position can be unbalanced, so that inaccurate experimental data is caused, and even the phenomenon of bursting occurs when the pressure of one end is overlarge.
Disclosure of Invention
The invention provides a concrete quality detection device for hydraulic engineering, which aims to solve the technical problem that when a concrete test block is tested, the test result is influenced by deflection caused by uneven stress deformation in the concrete test block.
The invention relates to a concrete quality detection device for hydraulic engineering, which adopts the following technical scheme: including pressurizing mechanism, still including being used for exerting pressure from top to bottom to the concrete test block and detecting top pressure mechanism, bottom sprag mechanism, top pressure mechanism sets up in the concrete test block upper end, be provided with the pressure balance subassembly of guaranteeing downward pressure equilibrium all the time in the top pressure mechanism, and top pressure mechanism fixes on pressurizing mechanism's pressure piece, bottom sprag mechanism sets up in the concrete test block lower extreme, and bottom sprag mechanism fixes on pressurizing mechanism's support piece, concrete test block bilateral symmetry is provided with the side direction pressure mechanism that is used for exerting pressure to the concrete test block, side direction pressure mechanism fixed mounting is on pressurizing mechanism.
Further, the pressure piece of the pressurizing mechanism is a hydraulic pump set and a pressure rod, the hydraulic pump set is fixed at the top of the frame, the pressure rod is fixedly arranged on the hydraulic rod of the hydraulic pump set, the supporting piece of the pressurizing mechanism is a base, and the base is fixedly arranged on the lower side of the pressure rod.
Further, the top pressure mechanism comprises a pressure seat, the pressure seat is fixedly arranged on the lower side of the pressure rod, fixing seats are symmetrically arranged on two sides of the pressure seat, the bottom of each fixing seat is connected with a sliding block up and down, sliding grooves for limiting the sliding of the sliding blocks are formed in the fixing seats, a top pressure block is arranged on the bottom surface of each sliding block, and the sliding blocks on two sides are connected through pressure balance components.
Further, the pressure balance mechanism comprises an adjusting shaft, adjusting gears and adjusting racks, the adjusting shaft transversely penetrates through the fixing seat, the adjusting shaft ends are located inside the fixing seat, the two adjusting gears are symmetrically installed at two ends of the adjusting shaft, the upper end of the sliding block is provided with a limiting frame, one of the two end faces of the limiting frame, corresponding to the adjusting gears, is provided with the adjusting racks, and the end faces of the adjusting racks are installed at the two end limiting frames.
Further, the bottom support mechanism comprises a height adjusting block, the bottom support block is arranged on the height adjusting block corresponding to the end face of the concrete test block, the bottom adjusting block is arranged at the bottom of the height adjusting block in a sliding fit mode, the end faces of the height adjusting block and the bottom adjusting block are conical surfaces, the front end face and the rear end face of the height adjusting block are provided with fixing plates, the bottoms of the fixing plates are fixedly connected with a base, the height adjusting block is connected with the fixing plates in a sliding mode, an adjusting screw is transversely connected to the bottom adjusting block in a penetrating mode, and an adjusting motor is arranged at one end of the adjusting screw.
Further, the lateral pressure mechanism comprises a synchronous cylinder, a plurality of pressure cylinders are arranged on the side face of the synchronous cylinder corresponding to the concrete test block side face side by side, a connecting rod is arranged on a piston of the pressure cylinder, one end of the connecting rod penetrates through the pressure cylinder to prop against the side face of the concrete test block, a displacement sensor is arranged in the middle of the connecting rod and fixedly connected to the pressurizing mechanism, the synchronous cylinder is connected with a pressure cylinder cavity, and a pressure gauge is arranged at the top of the synchronous cylinder.
Further, the top pressure block is clamped with the sliding block, and the bottom supporting block is clamped with the height adjusting block.
Further, the top surface of the fixing seat is provided with a groove matched with the adjusting rack in a penetrating mode.
Further, the bottom support block is a cylinder, and the bottom support block is rotatably connected in the groove of the height adjusting block.
Further, a buffer spring is arranged in the pressure cylinder.
The beneficial effects of the invention are as follows: according to the invention, the lateral pressure mechanism is used for laterally pressing the concrete test block, so that the environment in concrete practical application is better simulated, the concrete test block is more realistic and representative, when the top pressure mechanism and the bottom support mechanism are used for pressing the concrete test block, the concrete test block which is subjected to offset deformation can be centrally regulated through the adjustable bottom support mechanism, and the top pressure mechanism is used for ensuring that the pressing forces of two points are always equal through the pressure balance assembly in the whole pressing process, so that the accuracy and the authenticity of the test are improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of an embodiment of a concrete quality detection device for hydraulic engineering according to the present invention;
fig. 2 is a schematic structural view of a pressing part of an embodiment of a concrete quality detection device for hydraulic engineering according to the present invention;
FIG. 3 is a front view of a pressing portion of an embodiment of a concrete quality inspection device for hydraulic engineering according to the present invention;
FIG. 4 is a schematic view showing the internal structure of a top pressure mechanism of an embodiment of a concrete quality inspection device for hydraulic engineering according to the present invention;
fig. 5 is a schematic structural view of an embodiment of a concrete quality detection device for hydraulic engineering in a balanced state of a top pressure block;
FIG. 6 is a schematic view of the structure of an embodiment of a concrete quality inspection device for hydraulic engineering according to the present invention in an unbalanced state of a top pressure block;
FIG. 7 is a schematic view of the structure of a bottom support mechanism of an embodiment of a concrete quality inspection device for hydraulic engineering according to the present invention;
fig. 8 is a schematic structural view of a connecting rod of an embodiment of a concrete quality detection device for hydraulic engineering according to the present invention.
In the figure: 1. a pressurizing mechanism; 2. a concrete test block; 3. a top pressure mechanism; 4. a bottom support mechanism; 5. a lateral pressure mechanism; 11. a frame; 12. a hydraulic pump unit; 13. a pressure rod; 14. a base; 15. an infrared grille; 31. a pressure seat; 32. a fixing seat; 33. a top pressure block; 34. an adjusting shaft; 35. an adjusting gear; 36. adjusting the rack; 37. a slide block; 41. a bottom support block; 42. a height adjusting block; 43. a bottom adjustment block; 44. adjusting a screw; 45. adjusting a motor; 51. a connecting rod; 52. a displacement sensor; 53. a pressure cylinder; 54. a synchronous cylinder; 55. a pressure gauge.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the concrete quality detection device for the hydraulic engineering comprises a pressurizing mechanism 1, a top pressure mechanism 3 and a bottom supporting mechanism 4, wherein the top pressure mechanism 3 and the bottom supporting mechanism 4 are used for detecting up-and-down pressure of a concrete test block 2, the top pressure mechanism 3 is arranged at the upper end of the concrete test block 2, a pressure balance component which always ensures downward pressure balance is arranged in the top pressure mechanism 3, the top pressure mechanism 3 is fixed on a pressure piece of the pressurizing mechanism 1, the bottom supporting mechanism 4 is arranged at the lower end of the concrete test block 2, the bottom supporting mechanism 4 is fixed on a supporting piece of the pressurizing mechanism 1, lateral pressure mechanisms 5 used for applying pressure to the concrete test block 2 are symmetrically arranged on two sides of the concrete test block 2, and the lateral pressure mechanisms 5 are fixedly arranged on the pressurizing mechanism 1.
In this embodiment, as shown in fig. 1, the pressure member of the pressurizing mechanism 1 is a hydraulic pump set 12 and a pressure rod 13, the hydraulic pump set 12 is fixed at the top of the frame 11, the pressure rod 13 is fixedly installed on the hydraulic rod of the hydraulic pump set 12, the support member of the pressurizing mechanism 1 is a base 14, the base 14 is fixedly installed at the lower side of the pressure rod 13, and when the hydraulic pump set 12 drives the pressure rod 13 to press down, pressure can be applied to the top of the concrete test block 2, so that two pressure points on the concrete test block 2 are uniformly distributed and pressed down.
In this embodiment, as shown in fig. 2-4, the top pressure mechanism 3 includes a pressure seat 31, the pressure seat 31 is fixedly installed at the lower side of the pressure rod 13, two sides of the pressure seat 31 are symmetrically installed with a fixing seat 32, the bottom of the fixing seat 32 is connected with a sliding block 37 up and down, a sliding groove for limiting the sliding of the sliding block 37 is arranged on the fixing seat 32, the bottom surface of the sliding block 37 is installed with a top pressure block 33, the sliding blocks 37 at two sides are connected through a pressure balance assembly, and the two top pressure blocks 33 press the concrete test block 2 downwards, so that the bending test is performed on the concrete test block 2, and in the pressing process, even if the concrete test block 2 is asymmetrically bent, the top pressure block 33 can ensure that the sizes of the two pressure points are the same through the pressure balance mechanism, so as to ensure the invariable factors in the testing process.
In this embodiment, as shown in fig. 2-6, the pressure balancing mechanism includes an adjusting shaft 34, adjusting gears 35 and adjusting racks 36, the adjusting shaft 34 transversely penetrates through the fixing seat 32, the end of the adjusting shaft 34 is located inside the fixing seat 32, two adjusting gears 35 are symmetrically installed at two ends of the adjusting shaft 34, a limiting frame is installed at the upper end of a sliding block 37, one of two end faces of the inner side of the limiting frame corresponding to the adjusting gears 35 is provided with the adjusting racks 36, the end faces of the adjusting racks 36 installed at two ends are different, and the adjusting racks 36 at two ends are matched with the adjusting gears 35, so that the two sliding blocks 37 and the top pressure block 33 are adjusted through the adjusting shaft 34, the adjusting gears 35 and the adjusting racks 36 in the pressing process, even if the horizontal heights of the top pressure block 33 are different, the pressing force can be guaranteed to be the same.
In this embodiment, as shown in fig. 7, the bottom supporting mechanism 4 includes a height adjusting block 42, the bottom supporting block 41 is installed on the height adjusting block 42 corresponding to the end face of the concrete test block 2, the bottom adjusting block 43 is slidingly matched with the bottom of the height adjusting block 42, the end faces of the height adjusting block 42 and the bottom adjusting block 43 are conical surfaces, the front end face and the rear end face of the height adjusting block 42 are provided with fixing plates, the bottom of the fixing plates is fixedly connected with a base 14, the height adjusting block 42 is vertically and slidingly connected with the fixing plates, an adjusting screw 44 is transversely connected to the bottom adjusting block 43 in a penetrating manner, an adjusting motor 45 is installed at one end of the adjusting screw 44, when the condition that one end of the concrete test block 2 is high and one end is low occurs, the bending vertex of the concrete test block 2 is offset, at the moment, the pressures of the two ends of the lateral pressure mechanisms 5 are unequal, the numerical comparison of the two pressure gauges 55 is determined, thus, which end of the concrete test block 2 becomes high and which end becomes low is controlled by controlling an adjusting motor 45 of one end, the adjusting screw 44 is controlled to rotate to be matched with the bottom adjusting block 43, the bottom adjusting screw 44 is enabled to be rotationally matched with the adjusting screw 45, and the bending vertex of the concrete test block 2 is enabled to bend towards the middle of the bottom supporting block 2, and the middle of the concrete test block 2 is guaranteed to be bent, and the experiment effect of the experiment is guaranteed to be safe, and the bending effect of the concrete test block 2 is guaranteed.
In this embodiment, the lateral pressure mechanism 5 includes a synchronization cylinder 54, the synchronization cylinder 54 is provided with a plurality of pressure cylinders 53 side by side corresponding to the side of the concrete test block 2, a connecting rod 51 is installed on a piston of the pressure cylinder 53, one end of the connecting rod 51 runs through the pressure cylinder 53 and abuts against the side of the concrete test block 2, a displacement sensor 52 is arranged in the middle of the connecting rod 51, the displacement sensor 52 is fixedly connected to the pressurizing mechanism 1, the synchronization cylinder 54 is connected with a cavity of the pressure cylinder 53, a pressure gauge 55 is installed at the top of the synchronization cylinder 54, the synchronization cylinder 54 and the pressure cylinder 53 are not drawn by an oil pump, the side of the concrete test block 2 is pressurized by the connecting rod 51, so that the environment of the concrete test block 2 in practical application is simulated, meanwhile, when the concrete test block 2 is bent and deformed, the side of the concrete test block 2 is deflected, whether the bending effect of the concrete test block 2 and the bending effect of the concrete test block 2 are symmetrical or not is determined by using displacement differences of the plurality of the connecting rods 51, the pressure gauge 55 is displayed in an imaging manner, and the slope of the bending is not drawn by a controller inside the pressurizing mechanism 1, the synchronization slope is not drawn and the controller 45 is guaranteed, and the bottom of the concrete test block 2 is controlled, and the power saving of the controller 4 is adjusted.
In this embodiment, the top pressure block 33 is engaged with the slider 37, and the bottom support block 41 is engaged with the height adjustment block 42.
In this embodiment, the top surface of the fixing base 32 is provided with a slot that matches with the adjusting rack 36, so as to ensure the stability of the adjusting rack 36 when being driven to slide up and down.
In this embodiment, the bottom supporting block 41 is a cylinder, and the bottom supporting block 41 is rotatably connected in the groove of the height adjusting block 42, and the sliding friction force is reduced when the bottom of the concrete test block 2 is adjusted by using the bottom supporting block 41 with a cylindrical structure.
In this embodiment, the buffer spring is installed inside the pressure cylinder 53, so that vibration generated when the concrete collapses can be filtered, and influence of external factors can be reduced.
Working principle: in the process of testing the concrete test block 2, two bottom supporting blocks 41 are adjusted to two ends, the concrete test block 2 is placed at the upper end of the bottom supporting blocks 41, centering is guaranteed, and after the lateral pressure mechanisms 5 at the two ends are adjusted in position, a plurality of connecting rods 51 are pressed against the two end faces of the concrete test block 2.
The control hydraulic pump unit 12 makes the pressure bar 13 drive the whole of pressure seat 31 to move down, control the top pressure piece 33 laminating at the top surface of concrete test block 2 first, and exert no pressure, control the oil pump and pressurize synchronous jar 54, guarantee the pressure of a plurality of connecting rods 51 to the concrete test block 2 side, control the whole of pressure seat 31 of control hydraulic pump unit 12 drive at this moment and move down, the top pressure piece 33 begins to exert pressure to the concrete test block 2 under the drive, detect through infrared grid 15 in whole in-process whether there is the ginseng and interferes, avoid personnel to be close to simultaneously guarantee the security.
In the pressing process, the concrete test block 2 is bent downwards, at the moment, the side face of the concrete test block 2 is turned over, meanwhile, the internal pressure of the synchronous cylinder 54 is controlled to stir, the plurality of connecting rods 51 are displaced relative to the displacement sensor 52, the indication number of the pressure gauge 55 is changed, and signals are transmitted to the controller through the displacement sensor 52 and the pressure gauge 55, so that the bending amount of the concrete test block 2 and the pressure change at two ends are displayed.
At this time, if because the inside unbalance of concrete test block 2, the bending vertex of bottom takes place when the condition that one end was buckled big one end was buckled little promptly and transversely squints, the variation and the registration of both ends displacement sensor 52 and manometer 55 are unequal at this moment, then the one end that the variation is big, and the regulating motor 45 of one end of the low side starts this moment, drive adjusting screw 44 cooperation bottom regulating block 43, make bottom regulating block 43 sideslip, utilize the slope to exert pressure to the bottom of high-low regulating block 42, thereby raise high-low regulating block 42, make the one end that concrete test block 2 is lower raise, then the summit of buckling of concrete test block 2 can shift to the middle part, thereby become the state that the summit is placed in the middle again, in the overall change process, the both ends height at concrete test block 2 top also changes, and in the change process, and because when two top pressure block 33 take place relative high change, slider 37 drive adjusting gear 36 cooperation adjusting gear 35, through central regulating shaft 34, it is rotatory to drive two adjusting gear 35, as long as the pressure of the bottom regulating gear 35 is exerted to the rack 37 and each rack 37 is also can not influenced by the pressure of the equal, thereby the pressure of the top pressure carrier 37 can be guaranteed to the change under the equal, the pressure of the test block 37, the one end that the pressure of the top is guaranteed to be influenced by the pressure that the top is not changed, the pressure carrier 37 is guaranteed to be influenced by the pressure that the top pressure is changed, the experiment is guaranteed to the bottom is guaranteed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a concrete quality detection device for hydraulic engineering, includes pressurizing mechanism, its characterized in that: the device is characterized by further comprising a top pressure mechanism and a bottom supporting mechanism, wherein the top pressure mechanism and the bottom supporting mechanism are used for pressing the concrete test block up and down for detecting, the top pressure mechanism is arranged at the upper end of the concrete test block, a pressure balance component which always ensures downward pressure balance is arranged in the top pressure mechanism, the top pressure mechanism is fixed on a pressure piece of the pressurizing mechanism, the bottom supporting mechanism is arranged at the lower end of the concrete test block, the bottom supporting mechanism is fixed on a supporting piece of the pressurizing mechanism, lateral pressure mechanisms used for applying pressure to the concrete test block are symmetrically arranged on two sides of the concrete test block, and the lateral pressure mechanisms are fixedly installed on the pressurizing mechanism.
2. The concrete quality detection device for hydraulic engineering according to claim 1, wherein: the pressure piece of pressurizing mechanism is hydraulic pump group, pressure bar, the hydraulic pump group is fixed at the top of frame, fixed mounting on the hydraulic stem of hydraulic pump group the pressure bar, pressurizing mechanism's support piece is the base, base fixed mounting is in the pressure bar downside.
3. The concrete quality detection device for hydraulic engineering according to claim 2, wherein: the top pressure mechanism comprises a pressure seat, the pressure seat is fixedly arranged on the lower side of the pressure rod, fixing seats are symmetrically arranged on two sides of the pressure seat, sliding blocks are connected to the bottom of the fixing seats up and down, sliding grooves for limiting the sliding of the sliding blocks are formed in the fixing seats, top pressure blocks are arranged on the bottom surfaces of the sliding blocks, and the sliding blocks on two sides are connected through pressure balance components.
4. A concrete quality inspection device for hydraulic engineering according to claim 3, characterized in that: the pressure balance mechanism comprises an adjusting shaft, adjusting gears and adjusting racks, the adjusting shaft transversely penetrates through the fixing base, the end portions of the adjusting shaft are located inside the fixing base, the two adjusting gears are symmetrically installed at two ends of the adjusting shaft, the upper end of the sliding block is provided with a limiting frame, one of the two end faces of the corresponding adjusting gears on the inner side of the limiting frame is provided with the adjusting rack, and the end faces of the adjusting racks are installed at the two end faces of the limiting frame and are different.
5. The concrete quality detection device for hydraulic engineering according to claim 4, wherein: the bottom supporting mechanism comprises a height adjusting block, the bottom supporting block is installed on the height adjusting block corresponding to the end face of the concrete test block, the bottom adjusting block is slidably matched with the bottom adjusting block at the bottom of the height adjusting block, the end faces of the height adjusting block and the bottom adjusting block are conical surfaces, fixing plates are installed on the front end face and the rear end face of the height adjusting block, the bottoms of the fixing plates are fixedly connected with the base, the height adjusting block is vertically slidably connected with the fixing plates, an adjusting screw is transversely connected on the bottom adjusting block in a penetrating mode, and an adjusting motor is installed at one end of the adjusting screw.
6. The concrete quality detection device for hydraulic engineering according to claim 5, wherein: the lateral pressure mechanism comprises a synchronous cylinder, a plurality of pressure cylinders are arranged side by side corresponding to the side face of the concrete test block, a connecting rod is arranged on a piston of the pressure cylinder, one end of the connecting rod penetrates through the pressure cylinder to prop against the side face of the concrete test block, a displacement sensor is arranged in the middle of the connecting rod and fixedly connected to the pressurizing mechanism, the synchronous cylinder is connected with a pressure cylinder cavity, and a pressure gauge is arranged at the top of the synchronous cylinder.
7. The concrete quality detection device for hydraulic engineering according to claim 6, wherein: the top pressure block is clamped with the sliding block, and the bottom supporting block is clamped with the height adjusting block.
8. The concrete quality detection device for hydraulic engineering according to claim 4, wherein: the top surface of the fixing seat is provided with a groove matched with the adjusting rack in a penetrating mode.
9. The concrete quality detection device for hydraulic engineering according to claim 7, wherein: the bottom support is a cylinder, and the bottom support block is rotationally connected in the groove of the height adjusting block.
10. The concrete quality detection device for hydraulic engineering according to claim 6, wherein: and a buffer spring is arranged in the pressure cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311764178.9A CN117451535B (en) | 2023-12-21 | 2023-12-21 | Concrete quality detection device for hydraulic engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311764178.9A CN117451535B (en) | 2023-12-21 | 2023-12-21 | Concrete quality detection device for hydraulic engineering |
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| CN117451535A true CN117451535A (en) | 2024-01-26 |
| CN117451535B CN117451535B (en) | 2024-03-08 |
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| CN202311764178.9A Active CN117451535B (en) | 2023-12-21 | 2023-12-21 | Concrete quality detection device for hydraulic engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118225590A (en) * | 2024-05-24 | 2024-06-21 | 爱建信达工程咨询有限公司 | Cement concrete pavement strength testing device |
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| CN118225590A (en) * | 2024-05-24 | 2024-06-21 | 爱建信达工程咨询有限公司 | Cement concrete pavement strength testing device |
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| CN117451535B (en) | 2024-03-08 |
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