CN113008715A - Concrete structure hardness detection device - Google Patents
Concrete structure hardness detection device Download PDFInfo
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- CN113008715A CN113008715A CN202110392412.4A CN202110392412A CN113008715A CN 113008715 A CN113008715 A CN 113008715A CN 202110392412 A CN202110392412 A CN 202110392412A CN 113008715 A CN113008715 A CN 113008715A
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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
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/52—Investigating hardness or rebound hardness by measuring extent of rebound of a striking body
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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
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording 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
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
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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
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0083—Rebound strike or reflected energy
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- General Health & Medical Sciences (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
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Abstract
The invention discloses a concrete structural member hardness detection device, which belongs to the technical field of concrete hardware detection, wherein a pressed rebound body is arranged in an auxiliary sleeve, the upper end of the pressed rebound body is connected with the top of the auxiliary sleeve, the pressed rebound body is connected with a drill hammer, in an initial state, a laser marking point is carried out on a marked body corresponding to the position of the pressed rebound body by utilizing a laser marking seat on the peripheral side wall of the pressed rebound body, the obtained horizontal position and vertical position are used as reference positions, when in hardness detection, the pressed rebound body is subjected to reverse elasticity of the drill hammer so as to generate elastic deformation, at the moment, the laser marking point is carried out on the marked body again by utilizing the laser marking seat, the obtained horizontal position and vertical position are used as rebound positions, and the rebound value is obtained by comparing and converting the rebound position with the reference positions so as an index of the compressive strength of a concrete member, the operation is feasible, and the multipoint distribution detection is realized, so that the detection precision is high.
Description
Technical Field
The invention relates to the technical field of concrete hardware detection, in particular to a concrete structural member hardness detection device.
Background
Concrete is a mixture of cement and aggregate, and when a certain amount of moisture is added, the cement hydrates to form a micro-opaque lattice structure to wrap and bind the aggregate into a monolithic structure, which is one of the most common main materials in modern building engineering.
Because a construction side or a construction bearing side has a certain acceptance or construction hardness standard for a building, the performance of the prepared concrete member needs to be detected, and the hardness of the concrete member is usually detected. The hardness of the end face of a member is mostly detected by adopting a resiliometer in the prior art, the compression strength of the concrete is estimated by using a spring-driven elastic striking hammer and taking the rebound value of instantaneous elastic deformation generated by the elastic striking of a striking rod on the surface of the concrete as one of indexes related to the compression strength of the concrete, and the rebound distance generated by the instantaneous elastic deformation is difficult to measure, so that the operation is more complicated, and the accuracy is still required to be improved.
Therefore, the concrete structural member hardness detection device is provided for effectively solving the problems in the prior art.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a concrete structural member hardness detection device, a pressure-bearing rebound body is arranged in an auxiliary sleeve, the upper end of the pressure-bearing rebound body is connected with the top of the auxiliary sleeve, the pressure-bearing rebound body is connected with a drill hammer, in an initial state, a laser marking point is carried out on a marked body corresponding to the position of the pressure-bearing rebound body by utilizing a laser marking seat on the peripheral side wall of the pressure-bearing rebound body, the obtained horizontal position and vertical position are used as reference positions, when in hardness detection, the pressure-bearing rebound body is elastically deformed due to the reverse elasticity of the drill hammer, at the moment, the laser marking point is carried out on the marked body again by utilizing the laser marking seat, the obtained horizontal position and vertical position are used as rebound positions, the rebound value is obtained by comparing and converting the rebound position with the reference positions, and the rebound value is used as an index of the compressive strength of a concrete structural, the operation is feasible, and the multipoint distribution detection is realized, so that the detection precision is high.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A concrete structural member hardness detection device comprises a detection table, wherein an object stage is arranged in the middle of the detection table, a supporting frame is arranged on one side of the rear end of the detection table, an electric push rod is fixedly arranged at the top end of the supporting frame, the telescopic end of the electric push rod is fixedly connected with a connecting disc, the lower end of the connecting disc is provided with an auxiliary sleeve, a pressed rebound body is arranged in the auxiliary sleeve, the top end of the pressed rebound body is fixedly connected in the connecting disc, the lower end of the pressed rebound body is fixedly connected with a drill hammer through a drill rod, the drill hammer is exposed at the bottom end of the auxiliary sleeve, the side walls of the periphery of the pressed resilience body are all embedded with laser calibration seats, the side wall of the auxiliary sleeve is provided with a plurality of through cavities corresponding to the positions of the laser calibration seats, the bottom cover of auxiliary sleeve is equipped with the buffer piece, inlay on the lateral wall all around of buffer piece and install the receiver that matches with laser calibration seat.
Furthermore, the compressed resilience body comprises an upper fixed block fixedly connected in the connecting disc, a lower movable block is arranged at the lower end of the upper fixed block, and a plurality of deformation pieces are annularly distributed between the upper fixed block and the lower movable block.
Further, the upper and lower both ends of shape deformation piece all are equipped with the tenon pole, go up all seted up on the outer end wall of fixed block and lower movable block with tenon pole assorted tongue-and-groove, easily dismantle the change to shape deformation piece.
Further, it is a plurality of the shape change piece all adopts elastic material to make, and a plurality of shape change pieces are the curved form and extend to the outside, when carrying out hardness testing to the concrete member, utilize electric putter to push down and link up the dish, make the pressurized resilience body and the hammer drop hammering of linking up the dish lower extreme on the concrete member, the hammer bullet hits and produces ascending elasticity on the concrete member surface and change, thereby upwards extrude a plurality of shape change pieces, make the shape change piece stabilize outside elasticity extension under the elasticity extrusion, the deformation degree that utilizes the shape change piece comes as the index of concrete member compressive strength.
Further, the laser calibration seat comprises a positioning ball fixedly connected to the outer side wall of the middle end of the deformation sheet, a horizontal laser marker is embedded and installed on the outer side wall of the positioning ball, a vertical laser marker is embedded and installed on the side wall of the bottom end of the positioning ball, and the horizontal laser marker and the vertical laser marker are respectively used for marking the vertical position and the horizontal position.
Further, a controller and a storage battery which are connected with the plurality of laser calibration seats are installed in the upper fixing block, the horizontal laser striping machine and the vertical laser striping machine are connected with the storage battery through wires, and an installation cavity for the wires to penetrate through is formed in the deformation piece.
Furthermore, the marked body comprises a marking transverse plate which is horizontally embedded on the buffer sheet, the outer end of the marking transverse plate is provided with a vertical marking vertical plate fixedly connected to the buffer sheet, the upper end face of the marking transverse plate is provided with a horizontal marking face corresponding to the position of a vertical laser marker, the outer end face of the marking vertical plate is provided with a vertical marking face corresponding to the position of the horizontal laser marker, the vertical laser marker and the horizontal laser marker emit laser lines in an initial state, marking points are respectively made on the horizontal marking face and the vertical marking face to serve as reference positions, during hardness detection, a plurality of deformation sheets are subjected to reverse elasticity of a drill hammer, after the deformation sheets are bent and extended outwards, laser calibration seats located in the middle positions of the deformation sheets move outwards and upwards, and the horizontal laser marker is reused in the moving process, The vertical laser marker is used for marking, marking points located at the highest position of the vertical marking surface and marking points located at the outermost position of the horizontal marking surface are marked points when the rebound degree of the deformation sheet is maximum, the marking points serve as rebound positions, and the rebound positions and the reference positions are compared and converted to obtain rebound values.
Further, vertical mark face corresponds the setting with running through the chamber position, vertical mark face and horizontal mark face all adopt to receive the mark paper to make, and the back of vertical mark face and horizontal mark face all is equipped with attached layer, easily dismantles change horizontal mark face and vertical mark face to in next use.
Furthermore, it is a plurality of all be equipped with on the both sides lateral wall of mark riser and reinforce the muscle, it is a pair of reinforce muscle equal slope fixed connection downwards on the buffer chip plays the reinforcement guard action to electric putter.
Furthermore, the side walls of the two sides of the linking disc are respectively provided with a guide groove, a pair of guide grooves are movably linked with a guide rod, and the top ends of the pair of guide rods are fixedly connected to the top end wall of the support frame, so that the stability of the linking disc and the bottom structure thereof in the lifting process is effectively improved.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) in the scheme, the compressed rebound body is arranged in the auxiliary sleeve, the upper end of the compressed rebound body is connected with the top of the auxiliary sleeve, the compressed rebound body is connected with the drill hammer, in an initial state, laser marking points are carried out on the marked body corresponding to the position of the laser positioning seats on the peripheral side wall of the pressed rebound body, the obtained horizontal and vertical positions are used as reference positions, when the hardness is detected, the pressed rebound body is elastically deformed due to the reverse elasticity of the drill hammer, at the moment, a laser marking point is performed on the object to be marked again by using the laser marking seat, the obtained horizontal position and the vertical position are taken as rebound positions, the rebound positions are compared and converted with the reference position to obtain a rebound value, the concrete member compressive strength index is used as an index of the concrete member compressive strength, the operation suggestion is feasible, and the multipoint distribution detection is high in detection precision.
(2) The body that rebounds includes fixed connection in the last fixed block that links up in the dish under the pressure, the lower extreme of going up the fixed block is equipped with down the movable block, it has a plurality of deformation pieces to go up annular distribution between fixed block and the lower movable block, a plurality of deformation body annular distribution, when the pressurized detects, can obtain multiunit pressurized deformation data, obtain the average value, with this improvement detection precision, the upper and lower both ends of deformation piece all are equipped with the tenon pole, go up all seted up on the outer end wall of fixed block and lower movable block with tenon matched with tongue-and-groove, easily dismantle the change to the deformation piece.
(3) A plurality of deformation pieces all adopt elastic material to make, and a plurality of deformation pieces are crooked form and extend to the outside, when carrying out hardness detection to the concrete member, utilize electric putter to push down and link up the dish, make the pressurized resilience body and the hammer drop hammering of linking dish lower extreme on the concrete member, the hammer bullet hits and produces ascending elasticity on the concrete member surface and becomes, thereby upwards extrude a plurality of deformation pieces, make deformation piece stable outside elastic expansion under the elastic extrusion, the deformation degree that utilizes deformation piece comes the index as concrete member compressive strength.
(4) The laser calibration seat comprises a positioning ball fixedly connected to the outer side wall of the middle end of the deformation sheet, a horizontal laser marker is embedded and installed on the outer side wall of the positioning ball, a vertical laser marker is embedded and installed on the side wall of the bottom end of the positioning ball, and the horizontal laser marker and the vertical laser marker are respectively used for marking the vertical position and the horizontal position.
(5) Go up and install controller and the battery that is connected with a plurality of laser calibration seats in the fixed block, horizontal laser marker and vertical laser marker all are connected with the battery through the wire, offer the installation cavity that is used for the wire to run through in the shape of deformation piece to the realization carries out power supply and intelligent control to horizontal laser marker and vertical laser marker.
(6) Receive the mark body to inlay the mark diaphragm of locating on the buffer chip including the level, the outer end of mark diaphragm is equipped with vertical fixed connection in the mark riser on the buffer chip, be equipped with the horizontal mark face that corresponds with vertical laser marker position on the up end of mark diaphragm, be equipped with the vertical mark face that corresponds with horizontal laser marker position on the outer terminal surface of mark riser, under initial condition, vertical laser marker, horizontal laser marker sends the laser line, and respectively at horizontal mark face, make the marking point on the vertical mark face, as the reference position, when hardness is examined, a plurality of deformation pieces receive the reverse elasticity of bore hammer, after deformation piece outside bending expands, the laser calibration seat that is located deformation piece middle part position outwards and upward movement, and reuse horizontal laser marker in the motion process, vertical laser marker carries out the marking, the marking point that is located the vertical mark face highest point and the marking point that is located the horizontal mark face outermost is then deformation And taking the point marked when the rebound degree of the sheet is maximum as a rebound position, and comparing and converting the rebound position with the reference position to obtain a rebound value.
(7) Vertical mark face corresponds the setting with running through the chamber position, and vertical mark face and horizontal mark face all adopt to receive the mark paper to make, and the back of vertical mark face and horizontal mark face all is equipped with attached layer, easily dismantles change horizontal mark face and vertical mark face to in next use.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a perspective view of the combination of the auxiliary sleeve, the compressed resilient body and the object of the present invention;
FIG. 4 is a perspective view of the joint of the compressed resilient body and the hammer of the present invention;
FIG. 5 is a first schematic diagram illustrating the detachment of the compressed resilient body according to the present invention;
fig. 6 is a second schematic view of the compressed resilient body according to the present invention.
The reference numbers in the figures illustrate:
the detection device comprises a detection table 1, an object stage 2, a support frame 3, an electric push rod 4, a linking disc 5, an auxiliary sleeve 6, a 601 penetration cavity, an upper fixed block 7, a lower movable block 8, a deformation sheet 9, a tenon 901, a laser positioning seat 10, a horizontal laser marker 101, a vertical laser marker 102, a hammer 11, a horizontal marking plate 12, a horizontal marking surface 121, a vertical marking plate 13, a vertical marking surface 131 and a buffer sheet 14.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, a concrete structure hardness testing device comprises a testing table 1, a loading table 2 is arranged in the middle of the testing table 1, a supporting frame 3 is arranged on one side of the rear end of the testing table 1, an electric push rod 4 is fixedly arranged at the top end of the supporting frame 3, a linking disc 5 is fixedly connected with the telescopic end of the electric push rod 4, an auxiliary sleeve 6 is arranged at the lower end of the linking disc 5, a pressure resilience body is arranged inside the auxiliary sleeve 6, the top end of the pressure resilience body is fixedly connected in the linking disc 5, the lower end of the pressure resilience body is fixedly connected with a drill hammer 11 through a drill rod, the impact of friction force during resilience is avoided, the drill hammer 11 is exposed at the bottom end of the auxiliary sleeve 6, the drill hammer 11 is arranged in non-contact with the auxiliary sleeve 6, guide grooves are respectively formed in the side walls of the two sides of the linking disc 5, guide rods are movably linked in the pair of the guide grooves, the top ends of the, effectively improve and link up the stability of dish 5 and its bottom structure at the lift in-process, when detecting, will wait to detect the concrete member and place on objective table 2, utilize electric putter 4 to drive and link up dish 5 and push down for the hammer 11 hammering of tip under the auxiliary sleeve 6 in the concrete member surface, owing to receive hammer 11's resilience effect and force the upwards elastic deformation of pressurized resilience body.
Referring to fig. 2-4, specifically, the compressed resilient body includes an upper fixed block 7 fixedly connected to the inside of the joining plate 5, a lower movable block 8 is disposed at the lower end of the upper fixed block 7, a plurality of deformation pieces 9 are annularly distributed between the upper fixed block 7 and the lower movable block 8, the upper and lower ends of the deformation pieces 9 are respectively provided with a tenon 901, the outer end walls of the upper fixed block 7 and the lower movable block 8 are respectively provided with a mortise matched with the tenon 901, the deformation pieces 9 are easy to detach and replace so as to prolong the service life of the hardness testing apparatus, the plurality of deformation pieces 9 are made of elastic material, the plurality of deformation pieces 9 extend in a curved shape to penetrate through the outer side of the cavity 601, when the hardness of the concrete member is tested, the joining plate 5 is pressed down by the electric push rod 4, so that the compressed resilient body at the lower end of the joining plate 5 and the hammer 11 drop down on the concrete member, the hammer 11 generates upward elastic return deformation after being impacted on the surface of the concrete member, thereby upwards extrude a plurality of deformation pieces 9, because deformation piece 9 initial state is with regard to outside bending structure, and the last fixed block 7 that is located deformation piece 9 upper end and linking dish 5 fixed connection, deformation piece 9 can stabilize outside elastic expansion under receiving ascending elastic extrusion, utilizes the deformation degree of deformation piece 9 to come as concrete member compressive strength's index.
Referring to fig. 5-6, the peripheral side wall of the pressed resilient body is embedded with a laser calibration seat 10, the side wall of the auxiliary sleeve 6 is provided with a plurality of through cavities 601 corresponding to the laser calibration seats 10, the bottom end of the auxiliary sleeve 6 is sleeved with a buffer plate 14, the peripheral side wall of the buffer plate 14 is embedded with a calibrated body matched with the laser calibration seat 10, the laser calibration seat 10 comprises a positioning ball fixedly connected to the outer side wall of the middle end of the deformable plate 9, the outer side wall of the positioning ball is embedded with a horizontal laser marker 101, the bottom side wall of the positioning ball is embedded with a vertical laser marker 102, the horizontal laser marker 101 and the vertical laser marker 102 are respectively used for laser marking the vertical and horizontal positions, a controller and a storage battery connected with the plurality of laser calibration seats 10 are installed in the upper fixing block 7, the horizontal laser marker 101 and the vertical laser marker 102 are both connected with the storage battery through wires, an installation cavity for the lead to penetrate through is formed in the deformation sheet 9.
Referring to fig. 3, the object to be marked includes a horizontal marking plate 12 horizontally embedded on the buffer plate 14, a vertical marking plate 13 vertically and fixedly connected to the buffer plate 14 is disposed at an outer end of the horizontal marking plate 12, a horizontal marking surface 121 corresponding to the position of the vertical laser marker 102 is disposed on an upper end surface of the horizontal marking plate 12, a vertical marking surface 131 corresponding to the position of the horizontal laser marker 101 is disposed on an outer end surface of the vertical marking plate 13, in an initial state, the vertical laser marker 102 and the horizontal laser marker 101 emit laser lines, marking points are respectively made on the horizontal marking surface 121 and the vertical marking surface 131 to serve as reference positions, during hardness detection, the plurality of deformation plates 9 are deformed outwards by the reverse elasticity of the hammer 11, after the deformation plates 9 are bent and extended outwards, the laser calibration base 10 located at the middle position of the deformation plates 9 moves outwards and upwards, and the horizontal laser marker 101 is reused in the movement process, Marking by the vertical laser marker 102, wherein a marking point at the highest position of the vertical marking surface 131 and a marking point at the outermost position of the horizontal marking surface 121 are marked when the rebound degree of the deformation sheet 9 is maximum, and are used as rebound positions, and the rebound positions are compared with reference positions and converted to obtain rebound values which are used as indexes of the compressive strength of the concrete member;
it should be added here that the plurality of deformation bodies 9 and the plurality of laser stripers 10 are in one-to-one correspondence and distributed annularly, when the compression detection is performed, a plurality of groups of compression deformation rebound data can be obtained, an average value can be obtained, the detection precision can be effectively improved, and when a certain group of laser stripers 10 generates position deviation along with the deformation bodies 9, the group of laser stripers does not refer to the horizontal marking plate 12 and the vertical marking plate 13.
This scheme is through being equipped with the pressurized resilience body in auxiliary sleeve 6's inside, the upper end of the pressurized resilience body is connected in auxiliary sleeve 6's top, the pressurized resilience body is connected with drill hammer 11, under initial condition, utilize laser mark point on the fixed seat 10 of laser on the lateral wall all around of the pressurized resilience body on the body of being calibrated that corresponds rather than the position, level and vertical position obtained are as the reference position, when carrying out concrete member hardness detection, drill hammer 11 hammering is on the concrete member, the pressurized resilience body is owing to receive drill hammer 11's reverse elasticity, thereby take place elastic deformation, meanwhile, the laser mark point on the morphism body 9 that is located the pressurized resilience body is fixed 10 and also takes place the displacement change thereupon, at this moment, utilize laser mark point of being calibrated on the body once more, the level that obtains and vertical position are as resilience position, convert rebound position and reference position and obtain resilience value, the concrete member compressive strength index is used as an index of the concrete member compressive strength, the operation suggestion is feasible, and the multipoint distribution detection is high in detection precision.
The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a concrete structure hardness detection device, is including examining test table (1), the middle part of examining test table (1) is equipped with objective table (2), its characterized in that: the detection device is characterized in that a support frame (3) is arranged on one side of the rear end of the detection table (1), an electric push rod (4) is fixedly mounted at the top end of the support frame (3), a connection disc (5) is fixedly connected to the telescopic end of the electric push rod (4), an auxiliary sleeve (6) is arranged at the lower end of the connection disc (5), a pressed rebound body is arranged inside the auxiliary sleeve (6), the top end of the pressed rebound body is fixedly connected into the connection disc (5), a drill hammer (11) is fixedly connected to the lower end of the pressed rebound body through a drill rod, the drill hammer (11) is exposed at the bottom end of the auxiliary sleeve (6), laser mark fixed seats (10) are embedded on the peripheral side walls of the pressed rebound body, a plurality of through cavities (601) corresponding to the laser mark fixed seats (10) are formed in the side walls of the auxiliary sleeve (6), and buffer plates (14) are sleeved at the bottom end of the auxiliary sleeve (6), and the peripheral side wall of the buffer sheet (14) is embedded with a standard body matched with the laser positioning seat (10).
2. The device for detecting the hardness of the concrete structural member according to claim 1, wherein: the compressed resilience body comprises an upper fixed block (7) fixedly connected in the connecting disc (5), a lower movable block (8) is arranged at the lower end of the upper fixed block (7), and a plurality of deformation sheets (9) are annularly distributed between the upper fixed block (7) and the lower movable block (8).
3. The device for detecting the hardness of the concrete structural member according to claim 2, wherein: the upper end and the lower end of the deformation piece (9) are both provided with tenon rods (901), and the outer end walls of the upper fixed block (7) and the lower movable block (8) are both provided with tenon grooves matched with the tenon rods (901).
4. The device for detecting the hardness of the concrete structural member according to claim 3, wherein: the deformation sheets (9) are all made of elastic materials, and the deformation sheets (9) extend to the outer side portion of the deformation sheet (601) in a bending shape.
5. The device for detecting the hardness of the concrete structural member according to claim 4, wherein: laser mark fixed seat (10) are including fixed connection in the location ball on deformation piece (9) middle-end lateral wall, inlay on the lateral wall of location ball and establish and install horizontal laser mark ware (101), inlay on the bottom lateral wall of location ball and establish and install vertical laser mark ware (102).
6. The device for detecting the hardness of the concrete structural member according to claim 5, wherein: the laser marking device is characterized in that a controller and a storage battery which are connected with a plurality of laser marking fixed seats (10) are installed in the upper fixed block (7), the horizontal laser marking device (101) and the vertical laser marking device (102) are connected with the storage battery through wires, and an installation cavity for the wires to run through is formed in the deformation sheet (9).
7. The device for detecting the hardness of the concrete structural member according to claim 6, wherein: receive the mark body to inlay mark diaphragm (12) on locating buffer piece (14) including the level, the outer end of mark diaphragm (12) is equipped with mark riser (13) on vertical fixed connection buffer piece (14), be equipped with on the up end of mark diaphragm (12) with horizontal mark face (121) that vertical laser marker (102) position corresponds, be equipped with on the outer terminal surface of mark riser (13) with vertical mark face (131) that horizontal laser marker (101) position corresponds.
8. The device for detecting the hardness of the concrete structural member according to claim 7, wherein: vertical mark face (131) with run through chamber (601) position and correspond the setting, vertical mark face (131) and horizontal mark face (121) all adopt the paper of receiving the mark to make, and the back of vertical mark face (131) and horizontal mark face (121) all is equipped with attached layer.
9. The device for detecting the hardness of the concrete structural member according to claim 8, wherein: a plurality of all be equipped with on the both sides lateral wall of mark riser (13) and reinforce the muscle, it is a pair of reinforce muscle equal slope fixed connection downwards on buffer chip (14).
10. The device for detecting the hardness of the concrete structural member according to claim 1, wherein: guide grooves are formed in the side walls of the two sides of the connecting disc (5), a pair of guide rods are movably connected in the guide grooves, and the top ends of the pair of guide rods are fixedly connected to the top end wall of the support frame (3).
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| CN202110392412.4A CN113008715B (en) | 2021-04-13 | 2021-04-13 | Concrete structure hardness detection device |
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| CN202110392412.4A CN113008715B (en) | 2021-04-13 | 2021-04-13 | Concrete structure hardness detection device |
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| CN1444029A (en) * | 2003-02-07 | 2003-09-24 | 舟山市博远科技开发有限公司 | Resilience method concrete compression strength detector and its making method |
| CN202648625U (en) * | 2012-06-14 | 2013-01-02 | 舟山市博远科技开发有限公司 | Flicking hammer displacement detection apparatus of resiliometer comparator |
| CN203705281U (en) * | 2013-12-11 | 2014-07-09 | 河北联合大学 | Digital display type concrete rebound instrument |
| CN208091843U (en) * | 2018-05-03 | 2018-11-13 | 珠海交通工程技术有限公司 | A kind of concrete intensity with rebound method survey area's use device |
| CN210665297U (en) * | 2019-09-27 | 2020-06-02 | 江西联达金砂湾冶金有限公司 | Pellet resistance to compression detection device |
| CN212658559U (en) * | 2020-07-28 | 2021-03-05 | 北京智博联科技股份有限公司 | Reflection type digital display resiliometer |
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