CN111896405A - Concrete resiliometer device and using method thereof - Google Patents
Concrete resiliometer device and using method thereof Download PDFInfo
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- CN111896405A CN111896405A CN202010763851.7A CN202010763851A CN111896405A CN 111896405 A CN111896405 A CN 111896405A CN 202010763851 A CN202010763851 A CN 202010763851A CN 111896405 A CN111896405 A CN 111896405A
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- 238000001514 detection method Methods 0.000 claims abstract description 100
- 238000009434 installation Methods 0.000 claims abstract description 32
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000012360 testing method Methods 0.000 claims description 24
- 238000010276 construction Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract 1
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- 238000005299 abrasion Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—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
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
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- G01N2203/0083—Rebound strike or reflected energy
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Abstract
The application relates to a concrete resiliometer device and a using method thereof, relating to the technical field of concrete strength detection, wherein the concrete resiliometer device comprises a supporting mechanism, a displacement mechanism, an installation mechanism and a resiliometer body; the supporting mechanism comprises a mounting frame and a plurality of mounting support columns which are connected, and the mounting support columns are fixed on a component to be tested; the displacement mechanism comprises a driving source and a sliding column which are arranged on the mounting frame, and the driving source drives the sliding column to slide. The sliding column is provided with a sliding hole, the mounting mechanism comprises a first mounting piece and a second mounting piece which are connected, the first mounting piece is positioned on one side of the sliding column, and the second mounting piece is arranged in the sliding hole in a penetrating manner and can slide along the length direction of the sliding hole; second installed part and this body coupling of resiliometer, the sense terminal orientation of resiliometer body detects the face setting. This application has the detection face that makes the better perpendicular component of keeping all the time of the axis of resiliometer body to promote the effect of the intensity measurement data's of component detection face the degree of accuracy.
Description
Technical Field
The application relates to the field of concrete strength detection, in particular to a concrete resiliometer device and a using method thereof.
Background
At present, the main structure is an organically-linked system which is based on foundation foundations and is used for receiving, bearing and transmitting all upper loads of construction projects and maintaining integrity, stability and safety of the upper structure, and the main structure and the foundation foundations jointly form a complete structural system of the construction projects, is a foundation for safe use of the construction projects, and is a safe, stable and reliable carrier and an important component of the construction project.
The main structure must have the strength, toughness and stability required to be technical in order to ensure the various loads of the building itself. When various indexes of the main structure of the house are checked, a series of detection instruments are usually adopted, such as a concrete resiliometer is used for testing the strength of concrete, a impermeability meter is used for testing the impermeability of concrete, a mortar consistency meter is used for testing the mortar consistency, and the like. The concrete resiliometer in the related art is a detection device, and is suitable for detecting the strength of general building members, bridges and various concrete members (plates, beams, columns and bridges).
With respect to the related art in the above, the inventors consider that there are the following drawbacks: during testing, an operator needs to select a plurality of sites for strength testing on the detection surface of the member, and the concrete rebound tester needs to be vertical to the detection surface when in use. All need the handheld concrete resiliometer of operator to operate during operation at every turn, the stability of resiliometer when easily reducing the measurement to it is great to lead to the intensity measurement data degree of accuracy deviation of component detection face.
Disclosure of Invention
The application provides a concrete resiliometer device and application method thereof in order to improve the problem that the poor stability of concrete resiliometer during measurement leads to the great deviation of the accuracy of intensity detection data.
First aspect, the application provides a concrete resiliometer device adopts following technical scheme:
a concrete resiliometer device comprises a supporting mechanism, a displacement mechanism, an installation mechanism and a resiliometer body;
the supporting mechanism comprises a mounting frame and a plurality of mounting support columns, the mounting frame is connected with the mounting support columns, the mounting support columns are fixed on the component to be tested and vertical to the detection surface of the component to be tested, and the mounting frame and the detection surface of the component to be tested are arranged in parallel;
the displacement mechanism comprises a driving source and a sliding column which are arranged on the mounting frame, the driving source drives the sliding column to slide along the extension direction of the mounting frame, and the sliding column is arranged in parallel with the detection surface of the tested component;
the sliding column is provided with a sliding hole penetrating through the thickness of the sliding column, and the sliding hole extends along the length direction of the sliding column;
the mounting mechanism comprises a first mounting piece and a second mounting piece which are connected, the first mounting piece is positioned on one side of the sliding column, which is far away from the detection surface, and the second mounting piece is arranged in the sliding hole in a penetrating manner and is arranged in a sliding manner along the length direction of the sliding hole;
one end of the second mounting piece far away from the first mounting piece is connected with the resiliometer body, and the detection end of the resiliometer body is arranged towards the detection surface.
Through adopting above-mentioned technical scheme, utilize the installation pillar to support the installing frame to make the installing frame parallel with the detection face of component, can make the detection face of the axis perpendicular component of resiliometer body better. The driving source is used for driving the sliding column to slide along the extending direction of the mounting frame, and the mounting mechanism slides along the length direction of the sliding hole when the sliding column stops every time, so that the resiliometer body moves along with the sliding column.
And then slowly pressing the first mounting piece towards the detection surface of the member, displacing the second mounting piece along the hole depth direction of the sliding hole to enable the detection end of the rebound apparatus body to abut against the detection surface of the member, and pulling the first mounting piece after data reading is finished, so that the detection end of the rebound apparatus body is separated from the detection surface. And then continuously pushing the mounting mechanism, so that the resiliometer body continuously displaces along the length direction of the sliding hole, and detecting the next site.
Subsequently, the driving source is continuously driven so that the slide column continues to be displaced in the extending direction of the mounting frame, and then the step of sliding the mounting mechanism in the length direction of the slide hole is repeated. Intensity detection can be carried out to the detection face of component by great degree and stable in the orthographic projection scope of installing frame to having, owing to can make the better detection face that remains the perpendicular component throughout of the axis of resiliometer body when removing the resiliometer, so make the intensity detection data accuracy deviation of component detection face less.
Preferably, the wall surfaces of a group of oppositely arranged frame columns on the mounting frame are provided with sliding grooves, and the sliding grooves extend along the length direction of the frame columns of the mounting frame; two ends of the sliding column are inserted into the sliding groove;
the driving source comprises a stud and a rotating disc, the stud penetrates through another group of oppositely arranged frame columns on the mounting frame, and the rotating disc is fixedly connected with one end of the stud; the stud penetrates through the middle of the sliding column and is in threaded connection with the sliding column.
Through adopting above-mentioned technical scheme, rotate the rolling disc and make the double-screw bolt rotate, because the both ends of sliding post are restricted by the sliding groove, so its thread can promote the sliding post when the double-screw bolt rotates and slide along the length direction in sliding groove to drive the length direction displacement of resiliometer body along sliding groove.
Preferably, the second mounting piece adopts a column, and the length of the second mounting piece is greater than the hole depth of the sliding hole;
the sliding column is hinged to a plurality of locking pieces along two sides of the length direction of the sliding column, and the locking pieces lock the first installation pieces.
Through adopting above-mentioned technical scheme, the length of second installed part is greater than the hole depth in hole that slides, can be when the slip resiliometer body, and the first installed part of one side pulling of the detection face of keeping away from the component of orientation makes the resiliometer body break away from the detection face, reduces the hidden danger that the sense terminal of resiliometer body was worn and torn by the component when removing the resiliometer body. The locking piece is used for when the fixed point detects the intensity that the component detected the face, can fix and locking installation mechanism to make the test data that the resiliometer body can be stable, also be convenient for the observation that the tester can be steady, read and the record data.
Preferably, a magnetic ring is embedded into the top of the first mounting part, the locking part is a bent first magnetic plate, and a plate body of the first magnetic plate, which is far away from the sliding column, is lapped on one side of the magnetic ring, which is far away from the sliding column, and is magnetically attracted with the magnetic ring.
Through adopting above-mentioned technical scheme, utilize the magnetism actuation of articulated first magnetic sheet and magnetic ring to be fixed in the slip post with first installed part on, stability when promoting the test of resiliometer body.
Preferably, a plurality of magnetic blocks are pre-installed on the component to be tested, the installation support is provided with an installation groove corresponding to the magnetic blocks, the inner wall of the installation groove is connected with a second magnetic plate, and the magnetic blocks are embedded into the installation groove and are magnetically attracted with the second magnetic plate.
Through adopting above-mentioned technical scheme, the magnetic path is embedded in the mounting groove and through the second magnetic sheet magnetic attraction with the mounting groove inner wall to fixed supporting mechanism, and the dismantlement of supporting mechanism of being convenient for.
Preferably, one end of the resiliometer body, which is far away from the second mounting piece, is circumferentially connected with a conical sleeve, and a flexible cushion layer is arranged at the large end of the conical sleeve, which faces the detection surface of the component; one end of the flexible cushion layer facing the detection surface of the component is flush with the detection end of the resiliometer body.
By adopting the technical scheme, the conical sleeve can enlarge the contact area of the detection surface of the resiliometer body and the member, the axis of the resiliometer body can be kept perpendicular to the detection surface of the member when being detected, and the measurement precision is improved. The detection end of the resiliometer can be deformed slightly when the resiliometer body is pressed, and the flexible cushion layer can be deformed along with the deformation of the detection end, so that the axis of the resiliometer body is always kept perpendicular to the detection surface of the component.
In a second aspect, the application provides a method for using a concrete rebound apparatus, which adopts the following technical scheme:
a use method of the concrete rebound apparatus comprises the following steps:
step 1; arranging rebound areas, wherein the number of the measurement areas of each component is not less than 10, the distance between two adjacent measurement areas is controlled to be 2.5m, and the distance between the measurement areas and the end part of the component or the edge of the construction joint is 0.3-0.6 m;
step 2: selecting a square meter with the area of a measuring area of 0.04, and recording a resilience value of 16 points in each measuring area;
and step 3: installing magnetic blocks in the circumferential direction of a test area before testing of the resiliometer body, and installing and fixing the resiliometer device corresponding to the magnetic blocks; two sides of the screw rod on the same sliding column are respectively provided with a resiliometer body;
and 4, step 4: opening the locking piece to enable the detection end of the resiliometer body to be separated from the contact with the detection surface of the component; then, the screw rod is rotated through the rotating disc, the sliding column slides along the length direction of the sliding groove under the pushing of the screw teeth of the screw rod, and the resiliometer body is driven to move; stopping rotating the rotating disc every 3-6 turns;
during detection, the first installation part slides to any position point along the length direction of the sliding hole, then the first installation part is slowly pressed to enable the second installation part to push the resiliometer body until the detection end of the resiliometer body contacts the concrete detection surface of the member, at the moment, the large end of the conical sleeve is abutted against the detection surface of the member through the flexible cushion layer, and the axis of the resiliometer body is enabled to be perpendicular to the concrete detection surface of the member all the time;
then, fixing the position of the first installation part through the locking piece so as to fix the position of the resiliometer body, and quickly releasing the locking piece after accurate reading so as to separate the resiliometer body from the contact with the concrete detection surface of the member;
and 5: repeating the step 4 to obtain concrete strength data of 16 points in the component measuring area; each sliding column stops sliding, and each resiliometer body on the sliding column needs to be tested for 1-2 points;
step 6: and (3) after the concrete strength of 16 points of one measuring area is measured, repeating the steps 3-5 until 10 measuring areas are measured, and removing the resiliometer device and the magnetic block.
By adopting the technical scheme, the orthographic projection of the installation frame on the detection surface of the member can cover one detection area. Can change the position of resiliometer body on installing frame length direction through rotating the screw rod, can change the position of resiliometer body on installing frame width direction through the length direction slip installation mechanism along the hole that slides to can be in surveying the position of the stable change resiliometer body in the district, thereby measure the concrete intensity of 16 points department in surveying the district, have the effect that promotes the accuracy of measuring data.
Preferably, the rotating disc rotates 6 circles each time, and two resiliometer bodies on the same sliding column need to be tested for 2 points when the sliding column stops sliding.
Through adopting above-mentioned technical scheme, the sliding column that slides stops for four times measures 4 points at every turn, can be comparatively regular and swift 16 concrete strength test sites in every survey district of test.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the supporting mechanism, the displacement mechanism, the mounting mechanism and the resiliometer body, the effect that the axis of the resiliometer body is better and always kept perpendicular to the detection surface of the component can be achieved, so that the accuracy deviation of the strength measurement data of the detection surface of the component is smaller;
2. through the arrangement of the sliding column and the hinged locking piece, the effect that the position of the resiliometer body can be fixed when the strength of the detection surface of the fixed-point detection component is detected can be achieved, so that the resiliometer body can stably test data;
3. through the setting of toper cover and flexible layer, can play the effect that promotes the stability of the perpendicular component detection face of axis of resiliometer body.
Drawings
Fig. 1 is a schematic view of a connection structure of a rebound apparatus and a member according to an embodiment of the present application.
FIG. 2 is a schematic forward view of a resiliometer apparatus and a component connection according to an embodiment of the present application.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
FIG. 4 is a schematic view of the connection structure of the resiliometer body and the mounting mechanism according to the embodiment of the present application.
Description of reference numerals: 1. a displacement mechanism; 11. a drive source; 111. a stud; 112. rotating the disc; 12. sliding the column; 121. a sliding hole; 13. a first magnetic plate; 2. a support mechanism; 21. installing a frame; 211. a sliding groove; 22. mounting a support column; 221. a second magnetic plate; 3. an installation mechanism; 31. a first mounting member; 311. a magnetic ring; 32. a second mount; 4. a resiliometer body; 41. a tapered sleeve; 411. a flexible cushion layer; 5. a member; 51. a magnetic block.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses concrete resiliometer device. Referring to fig. 1, the resiliometer apparatus includes a support mechanism 2, a displacement mechanism 1, a mounting mechanism 3, and a resiliometer body 4. The supporting mechanism 2 is installed on the component 5, the displacement mechanism 1 is installed on the supporting mechanism 2, the installation mechanism 3 is installed on the displacement mechanism 1, and the rebound device body 4 is connected with the installation mechanism 3. If displacement mechanism 1 can slide along the X direction of installation mechanism 3, installation mechanism 3 can drive resiliometer body 4 and slide along the Y direction of installation mechanism 3, and the X direction is perpendicular with the Y direction to make resiliometer body 4 can the at utmost in the orthographic projection of installation mechanism 3 arbitrary position measurement component 5 detect the concrete intensity of face.
Referring to fig. 2 and 3, the supporting mechanism 2 includes a mounting frame 21 and mounting pillars 22 fixed at four corners of the mounting frame 21, and a plurality of groups of four magnetic blocks 51 are correspondingly mounted on the detection surface of the component 5 to be detected corresponding to the layout of the mounting pillars 22. One side of the mounting pillar 22 facing the component 5 to be measured is provided with a mounting groove, and a second magnetic plate 221 is bonded on the inner wall of the mounting groove. The magnetic block 51 is correspondingly inserted into the mounting groove, the magnetic block 51 is attached to the second magnetic plate 221 and magnetically attracted, and the column supporting mechanism 2 is fixed.
Referring to fig. 1, the displacement mechanism 1 includes a sliding column 12 and a driving source 11, a sliding groove 211 is formed on a wall surface of a set of oppositely disposed frame columns of the mounting frame 21, and the sliding groove 211 extends along a length direction of the frame columns of the mounting frame 21; both ends of the sliding column 12 are inserted into the sliding grooves 211. The driving source 11 includes a rotating disc 112 and a stud 111, the rotating disc 112 is mounted at one end of the stud 111, and two bearings are sleeved on the stud 111. The stud 111 penetrates through another set of oppositely arranged frame columns of the mounting frame 21 and penetrates through the middle part of the sliding column 12. The bearings are respectively positioned on the other group of oppositely arranged frame columns of the mounting frame 21, and the stud 111 is in threaded connection with the sliding column 12. When the rotating disc 112 is rotated, the screw thread of the stud 111 pushes the sliding column 12 to slide along the length direction of the sliding slot 211.
Referring to fig. 1 and 3, mounting mechanism 3 includes first mounting element 31 and second mounting element 32 connected together, and first mounting element 31 and second mounting element 32 are both cylinders, and first mounting element 31 has a diameter larger than that of second mounting element 32. The sliding column 12 is provided with a sliding hole 121 through the thickness thereof, the opening direction of one side of the sliding hole 121 is arranged towards the detection surface of the member 5, and the sliding hole 121 extends along the length direction of the sliding column 12 to form a waist-shaped hole. The first mounting piece 31 is located on one side of the sliding column 12 far away from the detection surface of the member 5, and the second mounting piece 32 is arranged in the sliding hole 121 in a penetrating mode and can be arranged in a sliding mode along the length direction of the sliding hole 121.
One end lateral wall that first installed part 31 was kept away from to second installed part 32 is provided with the screw thread section, and the one end that 4 detection ends of resiliometer body were kept away from to resiliometer body 4 is provided with the thread groove, and second installed part 32 passes through screw thread section and thread groove threaded connection with resiliometer body 4. A set of mounting mechanism 3 and a set of resiliometer body 4 are respectively arranged on two sides of one sliding column 12 in the length direction of the stud 111.
Referring to fig. 3 and 4, the detection end of the resiliometer body 4 is disposed toward the detection surface of the member 5. One end of the resiliometer body 4, which is far away from the second mounting part 32, is circumferentially connected with a conical sleeve 41, and the large end of the conical sleeve 41 is provided with a flexible cushion 411 facing the detection surface of the component 5; one end of the compliant pad 411 facing the detection face of the member 5 is flush with the detection end of the resiliometer body 4. The cushion rubber pad 411 is a rubber pad, and the axis of the resiliometer body 4 can be kept perpendicular to the detection surface of the member 5 when the strength of the detection surface of the member 5 is detected at the detection end through the conical sleeve 41.
Referring to fig. 3 and 4, the length of second mounting element 32 is greater than the hole depth of sliding hole 121, and when sliding mounting mechanism 3 displaces rebound apparatus body 4, first mounting element 31 can be pulled to slide second mounting element 32 along the hole depth of sliding hole 121 until the detection end of rebound apparatus body 4 is separated from contact with the detection surface of member 5, so that abrasion to the detection end of rebound apparatus body 4 can be reduced.
Referring to fig. 1 and 3, the both sides of slip post 12 along its length direction articulate there are a plurality of locking parts, the first magnetic sheet 13 that the locking part adopted the bending, the embedding of first installed part 31 top is provided with magnetic ring 311, it makes the plate body overlap joint that first magnetic sheet 13 kept away from slip post 12 keep away from one side of slip post 12 and with magnetic ring 311 magnetism actuation setting to rotate first magnetic sheet 13, thereby the position of the first installed part 31 of locking and fixed resiliometer body 4, make the stable detection surface of detection component 5 of the sense terminal of resiliometer body 4, also make simultaneously the testing personnel can vacate the hole and observe, read and record data.
The implementation principle of a concrete resiliometer device of the embodiment of the application is: first, a plurality of sets of magnetic blocks 51 are pre-mounted on the member 5, each set of magnetic blocks 51 being mounted in a layout of four mounting posts 22 per resiliometer device. The assembled resiliometer device is then inserted through the mounting slot with the magnet block 51 to secure the resiliometer device at the detection face of the member 5.
Then, the rotating disc 112 is rotated, and the sliding column 12 is limited by the sliding groove 211 to rotate along with the stud 111, so that the stud 111 rotates to push the sliding column 12 to displace along the length direction of the stud 111. The mounting frame 21 is divided into five parts along the length direction of the stud 111, and the rotating disc stops rotating when the sliding column 12 reaches the boundary of two adjacent parts. The mounting mechanism 3 is slid along the length direction of the sliding hole 121, then the first mounting part 31 is slowly pressed towards the detection surface of the member 5 until the flexible cushion layer 411 of the conical sleeve presses against the detection surface of the member 5, and then the detection end of the resiliometer body 4 is judged to press against the detection surface of the member 5. At this time, the first magnetic plate is rotated, so that a group of first magnetic plates oppositely arranged is overlapped on the surface of the first mounting part 31 far away from the second mounting part 32 and is magnetically attracted with the magnetic ring 311, thereby fixing the pillar resiliometer body 4. The tester may then free both hands to record the read data. For each stop of rotating disc 112, data of two points need to be measured along the length direction of sliding hole 121 by the same rebound apparatus body 4.
The embodiment of the application also discloses a using method of the concrete resiliometer device. Referring to fig. 1, the method of use includes the steps of: step 1; the number of the measuring areas of each component 5 is not less than 10, the distance between two adjacent measuring areas is controlled to be 2.5m, and the distance between the measuring areas and the end part of the component 5 or the edge of the construction joint is 0.3-0.6 m.
Step 2: selecting the area of a measuring area as 0.04 square meter, and recording the rebound value of 16 points in each measuring area.
And step 3: before the test of the resiliometer body 4, mounting magnetic blocks 51 in the circumferential direction of a test area, and mounting and fixing the magnetic blocks 51 corresponding to the resiliometer device; two sides of the screw rod on the same sliding column 12 are respectively provided with a resiliometer body 4.
And 4, step 4: opening the lock, so that the detection end of the resiliometer body 4 is separated from the contact with the detection surface of the member 5; then, the screw rod is rotated through the rotating disc 112, the sliding column 12 slides along the length direction of the sliding groove 211 under the pushing of the screw teeth of the screw rod, and the resiliometer body 4 is driven to displace; the rotation of the rotary disk 112 is stopped every 3-6 rotations.
During the detection, slide first installed part 31 to arbitrary position along the length direction of sliding hole 121, then slowly press first installed part 31 and make second installed part 32 promote resiliometer body 4, until the detection end contact member's 5 concrete detection face of resiliometer body 4, the main aspects of taper sleeve 41 pass through the flexible cushion 411 and the detection face butt of member 5 this moment for the axis of resiliometer body 4 should be perpendicular to the concrete detection face of member 5 all the time.
Subsequently, the position of first installation part 31 is fixed through the lock piece to the position of fixed resiliometer body 4, at this moment accurate reading back quick release lock piece makes resiliometer body 4 break away from the contact with the concrete detection face of component 5.
And 5: repeating the step 4 to obtain concrete strength data of 16 points in the measuring area of the member 5; each time the sliding column 12 stops sliding, each resiliometer body 4 on the sliding column 12 needs to be tested for 1-2 points. Through tests, the rotating disc 112 stops after rotating for 6 circles each time, four groups are made, and the mounting frame 21 can be equally divided into five parts at the position where the sliding column 12 stops for four times. At the moment, two resiliometer bodies 4 on the same sliding column 12 can test 2 points when the sliding column 12 stops sliding, so that data of concrete strength of 16 test points in a test area are obtained.
Step 6: and (3) after the concrete strength of 16 test points in one test area is tested, repeating the steps 3-5 until 10 test areas are tested, and removing the resiliometer device and the magnetic block 51.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A concrete resiliometer device which characterized in that: comprises a supporting mechanism (2), a displacement mechanism (1), an installation mechanism (3) and a rebound apparatus body (4);
the supporting mechanism (2) comprises a mounting frame (21) and a plurality of mounting pillars (22), the mounting frame (21) is connected with the mounting pillars (22), the mounting pillars (22) are fixed on the component (5) to be tested and are perpendicular to the detection surface of the component (5) to be tested, and the mounting frame (21) and the detection surface of the component (5) to be tested are arranged in parallel;
the displacement mechanism (1) comprises a driving source (11) and a sliding column (12) which are installed on the installation frame (21), wherein the driving source (11) drives the sliding column (12) to be arranged in a sliding mode along the extension direction of the installation frame (21), and the sliding column (12) is arranged in parallel with the detection surface of the tested component (5);
a sliding hole (121) is formed in the sliding column (12) in a penetrating mode and extends along the length direction of the sliding column (12), and the sliding hole (121) is formed in the sliding column (12);
the mounting mechanism (3) comprises a first mounting piece (31) and a second mounting piece (32) which are connected, the first mounting piece (31) is positioned on one side, away from the detection surface, of the sliding column (12), and the second mounting piece (32) is arranged in the sliding hole (121) in a penetrating mode and arranged in a sliding mode along the length direction of the sliding hole (121);
one end, far away from first installed part (31), of second installed part (32) is connected with resiliometer body (4), and the detection end of resiliometer body (4) sets up towards the detection face.
2. A concrete resiliometer apparatus according to claim 1, wherein: a sliding groove (211) is formed in the wall surface, opposite to the wall surface, of the group of oppositely arranged frame columns on the installation frame (21), and the sliding groove (211) extends along the length direction of the frame columns of the installation frame (21); two ends of the sliding column (12) are inserted into the sliding groove (211);
the driving source (11) comprises a stud (111) and a rotating disc (112), the stud (111) penetrates through another group of oppositely arranged frame columns on the mounting frame (21), and the rotating disc (112) is fixedly connected with one end of the stud (111); the stud (111) penetrates through the middle of the sliding column (12) and is in threaded connection with the sliding column (12).
3. A concrete resiliometer apparatus according to claim 1, wherein: the second mounting piece (32) adopts a cylinder, and the length of the second mounting piece (32) is greater than the hole depth of the sliding hole (121);
the sliding column (12) is hinged with a plurality of locking pieces along two sides of the length direction of the sliding column, and the locking pieces lock the first mounting piece (31).
4. A concrete resiliometer apparatus according to claim 3, wherein: the top of the first mounting piece (31) is embedded with a magnetic ring (311), the locking piece is a bent first magnetic plate (13), and a plate body of the first magnetic plate (13) far away from the sliding column (12) is lapped on one side of the magnetic ring (311) far away from the sliding column (12) and is magnetically attracted with the magnetic ring (311).
5. A concrete resiliometer apparatus according to claim 1, wherein: the magnetic block testing device is characterized in that a plurality of magnetic blocks (51) are pre-installed on a component (5) to be tested, an installation groove is formed in the installation support column (22) corresponding to the magnetic blocks (51), a second magnetic plate (221) is connected to the inner wall of the installation groove, and the magnetic blocks (51) are embedded into the installation groove and are magnetically attracted with the second magnetic plate (221).
6. A concrete resiliometer apparatus according to claim 1, wherein: one end, far away from the second mounting piece (32), of the resiliometer body (4) is circumferentially connected with a conical sleeve (41), and a flexible cushion layer (411) is arranged at the large end of the conical sleeve (41) and faces to the detection surface of the component (5); one end, facing the detection surface of the component (5), of the flexible cushion layer (411) is flush with the detection end of the resiliometer body (4).
7. A use method of a concrete resiliometer device is characterized in that: the method comprises the following steps:
step 1; arranging rebound areas, wherein the number of the measuring areas of each component (5) is not less than 10, the distance between two adjacent measuring areas is controlled to be 2.5m, and the distance between the measuring areas and the end part of the component (5) or the edge of a construction joint is 0.3-0.6 m;
step 2: selecting a square meter with the area of a measuring area of 0.04, and recording a resilience value of 16 points in each measuring area;
and step 3: installing magnetic blocks (51) in the circumferential direction of a measuring area before testing of the resiliometer body (4), and installing and fixing the corresponding magnetic blocks (51) of the resiliometer device of claims 1-6; two sides of the screw rod on the same sliding column (12) are respectively provided with a resiliometer body (4);
and 4, step 4: opening the locking piece to enable the detection end of the resiliometer body (4) to be separated from the contact with the detection surface of the component (5); then, the screw rod is rotated through the rotating disc (112), the sliding column (12) slides along the length direction of the sliding groove (211) under the pushing of the screw teeth of the screw rod, and the resiliometer body (4) is driven to move; the rotating disc (112) stops rotating every 3-6 turns;
during detection, the first mounting piece (31) is slid to any position point along the length direction of the sliding hole (121), then the first mounting piece (31) is slowly pressed to enable the second mounting piece (32) to push the resiliometer body (4) until the detection end of the resiliometer body (4) is contacted with the concrete detection surface of the member (5), at the moment, the large end of the conical sleeve (41) is abutted against the detection surface of the member (5) through the flexible cushion layer (411), and the axis of the resiliometer body (4) is enabled to be perpendicular to the concrete detection surface of the member (5) all the time;
then, fixing the position of the first mounting piece (31) through a locking piece, so as to fix the position of the resiliometer body (4), and quickly releasing the locking piece after accurate reading so as to enable the resiliometer body (4) to be separated from the contact with the concrete detection surface of the member (5);
and 5: repeating the step 4 to obtain concrete strength data of 16 points in the measuring area of the member (5); each time the sliding column (12) stops sliding, each resiliometer body (4) on the sliding column (12) needs to be tested for 1-2 points;
step 6: and (3) after the concrete strength of 16 points in one measuring area is measured, repeating the steps 3-5 until 10 measuring areas are measured, and removing the resiliometer device and the magnetic block (51).
8. The method of using a concrete rebound device according to claim 7, wherein: the rotating disc (112) rotates 6 circles each time, and two resiliometer bodies (4) on the same sliding column (12) need to be tested at 2 points when the sliding column (12) stops sliding.
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