CN109238882A - A kind of concrete strength inspection device and its detection method - Google Patents
A kind of concrete strength inspection device and its detection method Download PDFInfo
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- CN109238882A CN109238882A CN201811049189.8A CN201811049189A CN109238882A CN 109238882 A CN109238882 A CN 109238882A CN 201811049189 A CN201811049189 A CN 201811049189A CN 109238882 A CN109238882 A CN 109238882A
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- rammer
- detection container
- magnet
- concrete
- electric pushrod
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- 238000001514 detection method Methods 0.000 title claims abstract description 92
- 238000007689 inspection Methods 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 50
- 230000035939 shock Effects 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
-
- 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
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- 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 discloses a kind of concrete strength inspection device and its detection methods, including detection container and concrete test block, detection container is vertically provided at the upper surface of concrete test block by the ring-shaped rubber pad for enclosing setting with its opening contours, detection container is internally provided with electric pushrod, keep off cylinder and rammer, electric pushrod and gear cylinder are vertically arranged, the telescopic end of electric pushrod protrudes into inside gear cylinder straight down and detachably attracts fixation with the rammer being located at immediately below gear cylinder, the telescopic end of electric pushrod shortens straight up and rammer is driven to move up, so that rammer is separated and is fallen with the telescopic end of electric pushrod in the case where the limit of gear cylinder stops and hits the upper surface of concrete test block.A kind of concrete strength inspection device provided by the invention and its detection method can be used in the detection of agent on crack resistance of concrete shock, structurally reasonable, easily operated.
Description
Technical field
The invention belongs to concrete NDT technical field more particularly to a kind of concrete strength inspection device and its detection sides
Method.
Background technique
Concrete is widely used in construction, and the various physical properties of concrete are the important of judge concrete quality
Index.It is very more for the equipment of concrete NDT in the market, but lack the device that detection is hit for agent on crack resistance of concrete.It is mixed
The detection for coagulating soil mostly uses greatly concrete test block, and the impact resistance of concrete test block can intuitively show concrete very much
Intensity, hardness, so, urgent need want a kind of device for being able to detect agent on crack resistance of concrete collision performance.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of concrete strength inspection dress
It sets and its detection method, can be used in the detection of agent on crack resistance of concrete shock, it is structurally reasonable, it is easily operated.
Technical solution: to achieve the above object, a kind of concrete strength inspection device of the invention, including detection container and
Concrete test block, the detection container are vertically provided at concrete examination by the ring-shaped rubber pad for enclosing setting with its opening contours
The upper surface of block；The detection container is internally provided with electric pushrod, gear cylinder and rammer, and the electric pushrod and gear cylinder are perpendicular
To setting, the telescopic end of the electric pushrod protrude into straight down gear cylinder inside and be located at gear cylinder immediately below rammer
Detachable attract is fixed；The telescopic end of the electric pushrod shortens straight up and rammer is driven to move up, and makes the rammer
It separates and falls with the telescopic end of electric pushrod in the case where the limit of gear cylinder stops and hit the upper surface of concrete test block.
Further, the sliding fit inside of the gear cylinder is provided with piston, the telescopic end of the piston and electric pushrod
It is drivingly connected, and the bottom of piston is installed with the first magnet；The rammer includes clump weight, impact block and the second magnet, institute
It states impact block and is detachably set to clump weight bottom, second magnet is detachably set at the top of clump weight, and the shock
Object is fixed on piston by the second magnet and the first magnet isotropic.
Further, the rammer further includes the first precession bar being fixedly connected with impact block and consolidates with the second magnet
Surely external screw thread is provided on the second precession bar connected, the first precession bar and the second precession bar；The clump weight bottom
The first cavity is offered, offers the second cavity at the top of the clump weight, first cavity is respectively provided with the second cavity
There is internal screw thread；The first precession bar is equipped with the first cavity, and the second precession bar is equipped with the second cavity.
Further, the clump weight is to gradually taper up shape close to the part of bottom；The clump weight has a variety of weight
Specification, and the clump weight volume of a variety of weight specifications is identical.
Further, the gear cylinder is connected and fixed by the inner wall of horizontal brace rod and detection container, and keeps off cylinder vertical
Projection in downward direction falls into clump weight overhead pulley profile and encloses in range.
It further, further include the u-bracket and the Manual drive mechanism being arranged in u-bracket that Open Side Down, institute
It states detection container to be located inside u-bracket, the Manual drive mechanism and detection container are drivingly connected, and Manual drive mechanism can
Driving detection container moves up and down inside u-bracket.
Further, the u-bracket includes level board and two vertical plates for being connected to horizontal board ends, it is described manually
Driving mechanism is arranged on level board, and the lower end of two vertical plates, which is respectively connected with, to be extended and be open along vertical plate length direction
Downward supporting case foot, multiple absorption fixed mechanisms are evenly equipped on each supporting case foot, and the u-bracket passes through multiple
The upper surface of absorption fixed mechanism and concrete test block is fixed；The absorption fixed mechanism include at the top of supporting case foot and with
First screw rod of its screw thread rotation connection, the sucker that the first screw rod lower end is arranged in and is located inside supporting case foot and setting exist
First screw rod upper end and the rotation hand wheel being located at outside supporting case foot.
Further, the Manual drive mechanism includes turntable, the second screw rod, sliding block, vertical connecting rod and bearing；It is described
Sliding block, which is threadedly engaged, to be arranged on the second screw rod, and sliding block is located at center of turntable and is integrally formed with it；The bearing is embedded
On level board in the bearing installation position opened up, and the inner ring of bearing is fixedly connected with a slide block by vertical connecting rod；It is described
Second screw rod vertically passes through the interior circle center of bearing and is fixedly connected with detection container；The level board offers several along turntable
The uniformly distributed insertion hole of rotary motion trace, the turntable can be inserted into corresponding insertion hole by the pin rod of the setting of activity plug thereon and realize
It is fixed.
Further, the detection container is made of transparent material, is additionally provided with blow vent thereon, and the blow vent is mating
Equipped with dismountable sealing cover.
A kind of detection method of concrete strength inspection device, the specific steps are as follows:
Step 1: entire detection device is placed on concrete test block, rotates rotation hand wheel, and sucker is driven to move down and be sucked
The upper surface of concrete test block, so that u-bracket to be fixed on to the upper surface of concrete test block；
Step 2: pulling out pin rod, can be manually rotated driven by rotary disc detection container and moves up, and then fixes rotation using pin rod and turns
Disk, so that will test the lower end of container has height apart from concrete test block, this can highly make manually by rammer from detection
The opening of container is put into detection container inside；
Step 3: starting electric pushrod, the telescopic end of electric pushrod gradually extends and the first magnet is pushed to move down, to first
The bottommost of magnet protrudes from the lower end of gear cylinder or the first magnet is pushed out outside gear cylinder and can stop, and manually holds rammer
It is protruded into inside detection container from the opening of detection container, rammer is fixed on by the first magnet and the second magnet isotropic
On piston；
Step 4: pulling out pin rod again, can be manually rotated driven by rotary disc detection container and moves down, is squeezed ring-shaped rubber pad and overlays
The upper surface of concrete test block is closed, meanwhile, lower sealing cover is unloaded, makes to be in communication with the outside inside detection container；
Step 5: being again started up electric pushrod, and the telescopic end of electric pushrod is gradually shortened and rammer is pulled to move up, and hits
The clump weight of object is stopped to separate the first magnet with the second magnet by the limit of gear cylinder, and rammer whereabouts makes its impact block hit coagulation
The upper surface of native test block manually through the breakage of transparent detection container observation concrete test block, and keeps a record；
Step 6: it manually exchanges the clump weight of different quality specification for, reconfigures the shock for being mounted to that there is different quality
Object then successively carries out having the shock of the rammer of different quality to detect, and keeps a record, and you can get it in same height of drop
Under, concrete test block hits broken situation by different rammers.
The utility model has the advantages that a kind of concrete strength inspection device of the invention and its detection method, have the beneficial effect that:
1) a kind of completely new agent on crack resistance of concrete shock detection device is provided, has filled up the blank that agent on crack resistance of concrete hits detection, meaning
Justice is great；
2) agent on crack resistance of concrete through the invention hits detection device, very intuitive, clear can reflect concrete
The performances such as intensity, hardness, structure are simple and easily operated.
Detection method of the invention is rationally distributed, and orderliness is clear, is easy to testing staff and carries out detection operation, is suitable for scale
It promotes.
Detailed description of the invention
Attached drawing 1 is overall structure diagram of the invention；
Attached drawing 2 is schematic view of the front view of the invention；
Attached drawing 3 is the structural decomposition diagram of rammer；
Attached drawing 4 is the partial enlargement structural representation of A in attached drawing 1.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
As shown in attached drawing 1 to attached drawing 2, a kind of concrete strength inspection device, including detection container 3 and concrete test block
10, the detection container 3 is vertically provided at concrete test block 10 by the ring-shaped rubber pad 7 for enclosing setting with its opening contours
Upper surface, ring-shaped rubber pad 7 play buffer function, play buffer protection to concrete test block 10 when detection container 3 is moved down and make
With preventing detection container 3 and move down the case where excessive velocities cause damaged in collision to concrete test block 10 generation；The detection
Container 3 is internally provided with electric pushrod 12, gear cylinder 13 and rammer 8, and the electric pushrod 12 and gear cylinder 13 are vertically arranged, institute
The telescopic end for stating electric pushrod 12 protrudes into 13 inside of gear cylinder straight down and can with the rammer 8 being located at immediately below gear cylinder 13
Disassembly, which attracts, to be fixed；The telescopic end of the electric pushrod 12 shortens straight up and rammer 8 is driven to move up, and makes the rammer
8 separate and are fallen with the telescopic end of electric pushrod 12 and hit the upper surface of concrete test block 10 under the limit blocking of gear cylinder 13；
The setting of detection container 3 is that outside environmental elements (such as wind) impact the whereabouts of rammer 8 in order to prevent, concrete examination
Block 10 is the specific embodiment of the present invention, and concrete test block 10 can be substituted for concrete road surface, due to being in room
Outside, then the influence of outside environmental elements is exactly that cannot be neglected；The whereabouts of rammer 8 is free-falling under the effect of gravity,
Initial velocity is zero, this improves the accuracy that concrete hits detection to a certain extent；The significant of the setting of cylinder 13 is kept off, just
It is just to be able to achieve rammer 8 since the limit of gear cylinder 13 stops and separate and then start to fall, be indispensable part.
It is worth noting that, providing one kind by way of the present invention passes through the whereabouts of rammer 8 and hits concrete test block 10
Completely new agent on crack resistance of concrete hits detection device, has filled up the blank that agent on crack resistance of concrete hits detection, significant.
The sliding fit inside of the gear cylinder 13 is provided with piston 15, and the telescopic end of the piston 15 and electric pushrod 12 drives
Dynamic connection, and the bottom of piston 15 is installed with the first magnet 16；The rammer 8 includes clump weight 81, impact block 82 and second
Magnet 83, the impact block 82 are detachably set to 81 bottom of clump weight, and second magnet 83 is detachably set to clump weight
81 tops, and there is a natural attraction between the sexes is fixed on piston 15 by the second magnet 83 and the first magnet 16 for the rammer 8；Pass through second
Magnet 83 and the first magnet 16 there is a natural attraction between the sexes fixed form, structure is simple, save the cost, and rammer 8 mounts and separates all
Become to be more easier.
The clump weight 81 is to gradually taper up shape close to the part of bottom, reduces air drag, improves accuracy in detection；Institute
The specification that clump weight 81 has a variety of weight is stated, and 81 volume of clump weight of a variety of weight specifications is identical, keeps the identical energy of volume
Enough avoid the influence as caused by air drag difference.
Impact block 82 and clump weight 81, the second magnet 83 and clump weight 81 are removably that such setting is just compared
The clump weight 81 of readily replaceable different quality to assemble the rammer 8 to be formed with different quality, and then can be completed in phase
With the detection that under height, the rammer 8 of different quality hits concrete test block 10.
As shown in Fig. 3, the rammer 8 further include the first precession bar 821 being fixedly connected with impact block 82 and with
It is provided on the second precession bar 831 that second magnet 83 is fixedly connected, the first precession bar 821 and the second precession bar 831
External screw thread；81 bottom of clump weight offers the first cavity 811, offers the second cavity at the top of the clump weight 81
812, first cavity 811 and the second cavity 812 are provided with internal screw thread；The first precession bar 821 and the first cavity 811
It is equipped with, the second precession bar 831 is equipped with the second cavity 812.
As shown in Fig. 2, the gear cylinder 13 is connected and fixed by horizontal brace rod 14 and the inner wall of detection container 3, and is kept off
Cylinder 13 falls into 81 overhead pulley profile of clump weight in the projection of vertically downward direction and encloses in range, guarantees that rammer 8 can kept off
Cylinder 13, which limits, to be separated under barrier effect with piston 15, and then is fallen.
It further include the u-bracket 4 and be arranged in manual in u-bracket 4 that Open Side Down as shown in attached drawing 1 to attached drawing 2
Driving mechanism 6, the detection container 3 are located inside u-bracket 4, and the Manual drive mechanism 6 is drivingly connected with detection container 3,
And Manual drive mechanism 6 can drive detection container 3 to move up and down inside u-bracket 4.
The u-bracket 4 includes level board 41 and two vertical plates 42 for being connected to 41 both ends of level board, the manual drive
Motivation structure 6 is arranged on level board 41, and the lower end of two vertical plates 42 is respectively connected with to be extended along 42 length direction of vertical plate
And the supporting case foot 1 that Open Side Down, multiple absorption fixed mechanisms 5, the U-shaped branch are evenly equipped on each supporting case foot 1
Frame 4 is fixed by multiple absorption fixed mechanisms 5 and the upper surface of concrete test block 10；The absorption fixed mechanism 5 include across
The top of supporting case foot 1 and the first screw rod 52 connect with its screw thread rotation, setting are in 52 lower end of the first screw rod and positioned at supporting case
Sucker 51 inside foot 1 and the rotation hand wheel 53 that 52 upper end of the first screw rod is set and is located at outside supporting case foot 1, U-shaped branch
Frame 4 is fixed conveniently, stablizes, and disassembly is also very easy to, and reduces labor intensity.
As shown in attached drawing 1 and attached drawing 4, the Manual drive mechanism 6 includes turntable 61, the second screw rod 62, sliding block 63, vertical
Connecting rod 64 and bearing 65；The sliding block 63, which is threadedly engaged, to be arranged on the second screw rod 62, and sliding block 63 is located at 61 center of turntable
And it is integrally formed with it；The bearing 65 is embedded on level board 41 in the bearing installation position opened up, and bearing 65 is interior
Circle is fixedly connected by vertical connecting rod 64 with sliding block 63；Second screw rod 62 vertically across the interior circle center of bearing 65 and with
Detection container 3 is fixedly connected；The level board 41 offers several insertion holes 411 uniformly distributed along 61 rotary motion trace of turntable, described
Turntable 61 can be inserted into corresponding insertion hole 411 by the pin rod 611 of the setting of activity plug thereon and realize fixation.
The detection container 3 is made of transparent material, convenient for observation, is additionally provided with blow vent 11, the blow vent thereon
11, with dismountable sealing cover 20 is arranged with, keep 3 internal pressure of detection container identical as the external world, improve accuracy in detection.
A kind of detection method of concrete strength inspection device, the specific steps are as follows:
Step 1: entire detection device is placed on concrete test block 10, rotates rotation hand wheel 53, and sucker 51 is driven to move down
And the upper surface of concrete test block 10 is sucked, so that u-bracket 4 to be fixed on to the upper surface of concrete test block 10；
Step 2: pulling out pin rod 611, can be manually rotated turntable 61 and detection container 3 is driven to move up, then solid using pin rod 611
Surely rotary turnplate 61 is lived, so that will test the lower end of container 3 has height apart from concrete test block 10, this can highly make manually
Rammer 8 is put into 3 inside of detection container from the opening of detection container 3；
Step 3: starting electric pushrod 12, the telescopic end of electric pushrod 12 gradually extend and the first magnet 16 are pushed to move down,
Bottommost to the first magnet 16 protrudes from the lower end of gear cylinder 13 or the first magnet 16 is pushed out outside gear cylinder 13 and can stop,
It manually holds rammer 8 and is protruded into inside detection container 3 from the opening of detection container 3, rammer 8 is passed through into the first magnet 16 and the
There is a natural attraction between the sexes is fixed on piston 15 for two magnets 83；
Step 4: pulling out pin rod 611 again, can be manually rotated turntable 61 and detection container 3 is driven to move down, make ring-shaped rubber pad 7
It is extruded the upper surface of fitting concrete test block 10, meanwhile, lower sealing cover 20 is unloaded, connects 3 inside of detection container with extraneous
It is logical；
Step 5: being again started up electric pushrod 12, and the telescopic end of electric pushrod 12 is gradually shortened and pulls on rammer 8
It moves, the clump weight 81 of rammer 8 is stopped to separate the first magnet 16 with the second magnet 83 by the limit of gear cylinder 13, and rammer 8 falls
So that its impact block 82 is hit the upper surface of concrete test block 10, manually observes concrete test block 10 through transparent detection container 3
Breakage, and keep a record；
Step 6: it manually exchanges the clump weight 81 of different quality specification for, reconfigures and be mounted to have hitting for different quality
Object 8 is hit, then successively carries out having the shock of the rammer 8 of different quality to detect, and keep a record, you can get it in same whereabouts
Under height, concrete test block 10 hits broken situation by different rammers 8.
It also have the advantage that
3) a kind of completely new agent on crack resistance of concrete shock detection device is provided, has filled up the blank that agent on crack resistance of concrete hits detection, meaning
Justice is great；
4) agent on crack resistance of concrete through the invention hits detection device, very intuitive, clear can reflect concrete
The performances such as intensity, hardness, structure are simple and easily operated.
Detection method of the invention is rationally distributed, and orderliness is clear, is easy to testing staff and carries out detection operation, is suitable for scale
It promotes.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of concrete strength inspection device, it is characterised in that: described including detection container (3) and concrete test block (10)
Detection container (3) is vertically provided at concrete test block (10) by the ring-shaped rubber pad (7) for enclosing setting with its opening contours
Upper surface；The detection container (3) is internally provided with electric pushrod (12), gear cylinder (13) and rammer (8), the electric pushrod
(12) and gear cylinder (13) is vertically arranged, and it is internal that the telescopic end of the electric pushrod (12) protrudes into gear cylinder (13) straight down
And detachably attracts with the rammer (8) being located at immediately below gear cylinder (13) and fix；The telescopic end of the electric pushrod (12) is vertical
Shorten upwards and rammer (8) is driven to move up, makes the rammer (8) in the case where the limit of gear cylinder (13) stops and electric pushrod
(12) telescopic end, which is separated and fallen, hits the upper surface of concrete test block (10).
2. a kind of concrete strength inspection device according to claim 1, it is characterised in that: the inside of gear cylinder (13)
It is slidably matched and is provided with piston (15), the telescopic end of the piston (15) and electric pushrod (12) is drivingly connected, and piston (15)
Bottom be installed with the first magnet (16)；The rammer (8) includes clump weight (81), impact block (82) and the second magnet
(83), the impact block (82) is detachably set to clump weight (81) bottom, and second magnet (83), which is detachably set to, matches
At the top of pouring weight (81), and the rammer (8) is fixed on piston by the way that there is a natural attraction between the sexes the second magnet (83) and the first magnet (16)
(15) on.
3. a kind of concrete strength inspection device according to claim 2, it is characterised in that: the rammer (8) is also wrapped
Include the first precession bar (821) being fixedly connected with impact block (82) and the second precession bar being fixedly connected with the second magnet (83)
(831), external screw thread is provided on the first precession bar (821) and the second precession bar (831)；Clump weight (81) bottom
It offers the first cavity (811), is offered the second cavity (812) at the top of the clump weight (81), first cavity
(811) internal screw thread is provided with the second cavity (812)；The first precession bar (821) sets with the first cavity (811) cooperation
It sets, the second precession bar (831) is equipped with the second cavity (812).
4. a kind of concrete strength inspection device according to claim 2, it is characterised in that: the clump weight (81) is close
The part of bottom is to gradually taper up shape；The clump weight (81) has the specification of a variety of weight, and the counterweight of a variety of weight specifications
Block (81) volume is identical.
5. a kind of concrete strength inspection device according to claim 2, it is characterised in that: the gear cylinder (13) passes through water
Flushconnection bar (14) and the inner wall of detection container (3) are connected and fixed, and are kept off cylinder (13) and fallen into the projection of vertically downward direction and match
Pouring weight (81) overhead pulley profile encloses in range.
6. a kind of concrete strength inspection device according to claim 1, it is characterised in that: further include the U that Open Side Down
Type bracket (4) and the Manual drive mechanism (6) being arranged on u-bracket (4), the detection container (3) are located at u-bracket
(4) internal, the Manual drive mechanism (6) and detection container (3) are drivingly connected, and Manual drive mechanism (6) can drive detection
Container (3) moves up and down inside u-bracket (4).
7. a kind of concrete strength inspection device according to claim 6, it is characterised in that: the u-bracket (4) includes
Level board (41) and two vertical plates (42) for being connected to level board (41) both ends, the Manual drive mechanism (6) are arranged in water
On plate (41), the lower end of two vertical plates (42) is respectively connected with along the extension of vertical plate (42) length direction and Open Side Down
Supporting case foot (1), be evenly equipped with multiple absorption fixed mechanisms (5), the u-bracket (4) on each supporting case foot (1)
It is fixed by multiple absorption fixed mechanism (5) and the upper surface of concrete test block (10)；The absorption fixed mechanism (5) includes wearing
It crosses the first screw rod (52) connecting at the top of supporting case foot (1) and with its screw thread rotation, be arranged in the first screw rod (52) lower end and position
In the first screw rod (52) upper end and it is located at supporting case foot (1) outside in the internal sucker (51) of supporting case foot (1) and setting
Rotation hand wheel (53).
8. a kind of concrete strength inspection device according to claim 6, it is characterised in that: the Manual drive mechanism
It (6) include turntable (61), the second screw rod (62), sliding block (63), vertical connecting rod (64) and bearing (65)；Sliding block (63) spiral shell
Line is equipped on the second screw rod (62), and sliding block (63) is located at turntable (61) center and is integrally formed with it；The bearing
(65) it is embedded on level board (41) in the bearing installation position opened up, and the inner ring of bearing (65) passes through vertical connecting rod
(64) it is fixedly connected with sliding block (63)；Second screw rod (62) is vertically across the interior circle center and and detection container of bearing (65)
(3) it is fixedly connected；The level board (41) offers several insertion holes (411) uniformly distributed along turntable (61) rotary motion trace, described
Turntable (61) can be inserted into corresponding insertion hole (411) realization by the pin rod (611) of the setting of activity plug thereon and fix.
9. a kind of concrete strength inspection device according to claim 6, it is characterised in that: the detection container (3) by
Transparent material is constituted, and is additionally provided with thereon blow vent (11), and the blow vent (11), which is matched, is arranged with dismountable sealing cover (20).
10. a kind of detection method of concrete strength inspection device, it is characterised in that: specific step is as follows:
Step 1: entire detection device is placed on concrete test block (10), is rotated rotation hand wheel (53), is driven under sucker (51)
The upper surface of concrete test block (10) is moved and is sucked, so that u-bracket (4) to be fixed on to the upper surface of concrete test block (10)；
Step 2: pulling out pin rod (611), can be manually rotated turntable (61) and detection container (3) is driven to move up, then use pin rod
(611) rotary turnplate (61) are fixed, so that will test the lower end of container (3) has height apart from concrete test block (10), it should
Height can make that rammer (8) is manually put into detection container (3) inside from the opening of detection container (3)；
Step 3: starting electric pushrod (12), the telescopic end of electric pushrod (12) are gradually extended and are pushed under the first magnet (16)
It moves, the bottommost to the first magnet (16) protrudes from the lower end of gear cylinder (13) or the first magnet (16) is pushed out gear cylinder (13) outside
Portion can stop, and manually hold rammer (8) from the opening of detection container (3) and protrude into detection container (3) inside, by rammer
(8) it is fixed on piston (15) by the way that there is a natural attraction between the sexes the first magnet (16) and the second magnet (83)；
Step 4: pulling out pin rod (611) again, can be manually rotated turntable (61) and detection container (3) is driven to move down, make ring-shaped rubber pad
(7) it is extruded the upper surface of fitting concrete test block (10), meanwhile, lower sealing cover (20) are unloaded, keep detection container (3) internal
It is in communication with the outside；
Step 5: being again started up electric pushrod (12), and the telescopic end of electric pushrod (12) is gradually shortened and pulls on rammer (8)
It moves, the clump weight (81) of rammer (8) is stopped to separate the first magnet (16) with the second magnet (83) by gear cylinder (13) limit, hits
Hitting object (8) and falling makes the upper surface of its impact block (82) shock concrete test block (10), manually penetrates transparent detection container (3)
The breakage of concrete test block (10) is observed, and is kept a record；
Step 6: it manually exchanges the clump weight (81) of different quality specification for, reconfigures the shock for being mounted to that there is different quality
Object (8), then successively carries out the shock detection of the rammer (8) with different quality, and keeps a record, and you can get it with once
Under drop height degree, concrete test block (10) hits broken situation by different rammers (8).
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| CN110514541A (en) * | 2019-09-27 | 2019-11-29 | 广东正粤检测科技有限公司 | A kind of concrete strength inspection device and its detection method |
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