CN207923589U - A kind of existed concrete bridge axial tensile strength drawing folder method detector - Google Patents
A kind of existed concrete bridge axial tensile strength drawing folder method detector Download PDFInfo
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- CN207923589U CN207923589U CN201820260407.1U CN201820260407U CN207923589U CN 207923589 U CN207923589 U CN 207923589U CN 201820260407 U CN201820260407 U CN 201820260407U CN 207923589 U CN207923589 U CN 207923589U
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- concrete bridge
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 claims description 55
- 230000013011 mating Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 6
- 239000002689 soil Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000004451 qualitative analysis Methods 0.000 description 2
- 238000004445 quantitative analysis Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
Abstract
A kind of existed concrete bridge axial tensile strength drawing folder method detector, grip device including clamping the concrete top rake cylinder sample in existed concrete bridge, the grip device is connect with counterforce device, force application apparatus respectively by attachment device, the bottom surface of the counterforce device is set up in the surface of existed concrete bridge and the part-structure of attachment device and grip device is located in it, and the force application apparatus is arranged in the top of counterforce device.The utility model clamps the concrete top rake cylinder sample in existed concrete bridge by grip device, pulling force is applied on concrete top rake cylinder sample by force application apparatus and counterforce device again, it is destroyed until concrete top rake cylinder sample is detached from existed concrete bridge, concrete top rake cylinder sample maximum pull value is read, and concrete axial tensile strength is found out according to tension area.
Description
Technical field
The utility model is related to a kind of existed concrete bridge axial tensile strengths to draw folder method detector.
Background technology
Concrete axial tensile strength is one of concrete mechanics index of physics, has important shadow to the durability of concrete
It rings.When being more than concrete axial tensile strength such as temperature stress, thermal cracking just will produce；Shrinkage stress is more than concrete axle center
When tensile strength, contraction fissure just will produce.Therefore, the axial tensile strength for detecting existed concrete bridge, it is mixed for identification and analysis
The Crack cause of solidifying soil cracking seam, is a very important job.
In the prior art, the method that there is no detection existed concrete bridge axial tensile strength, causes in identification and analysis concrete
When the Crack cause in crack, qualitative analysis can only be carried out, quantitative analysis can not be carried out, therefore needs to design and improve.
Invention content
The utility model proposes a kind of highly practical, detections accurately, the existed concrete bridge axle center tension of reasonable design is strong
Degree draws folder method detector, the detector that can solve to there is no detection existed concrete bridge axial tensile strength method in the prior art
Problem.
The technical solution adopted in the utility model is：A kind of existed concrete bridge axial tensile strength drawing folder method detector,
It is characterized in that：Grip device including clamping the concrete top rake cylinder sample in existed concrete bridge, the grip device pass through
Attachment device is connect with counterforce device, force application apparatus respectively, and the bottom surface of the counterforce device is set up in the surface of existed concrete bridge
And the part-structure of attachment device and grip device are located in it, the force application apparatus is arranged in the top of counterforce device.
The utility model clamps the concrete top rake cylinder sample in existed concrete bridge by grip device, then by force application apparatus and instead
Power apparatus applies pulling force on concrete top rake cylinder sample, is broken until concrete top rake cylinder sample is detached from existed concrete bridge
It is bad, concrete top rake cylinder sample maximum pull value is read, and concrete axial tensile strength is found out according to tension area.
Further, the concrete top rake cylinder sample includes the rounding stage body of lower part and the cylinder on top, inverted round stage
Body bottom surface is connected with existed concrete bridge, and cylinder bottom surface is connect with rounding stage body top surface.
Further, the grip device includes two being symmetrically arranged at the one week metal ring in concrete top rake cylinder sample side
Intermediate plate, metal ring intermediate plate both ends respectively install a metal alar plate, multiple positioning fixing bolts are drilled on the metal alar plate
Circular hole, two metal ring intermediate plates are connected and fixed by positioning fixing bolt.
Further, the metal ring intermediate plate is the outer surface being made of the round platform ring body of lower part and the cylindrical ring body on top
Smooth seamless metal, round platform ring body top surface are connect with cylindrical ring body bottom surface, and cylindrical ring body top surface is uniformly tapped with multiple connection spiral shells
Hole, for being connect with attachment device.
Further, the attachment device includes metal connection plectane, metal connecting screw, and the metal connecting screw is vertical
The center position of plectane is connected mounted on metal, the metal connection plectane is drilled with the multiple connection spiral shells mating with connecting screw hole
Bolt circular hole, the metal connection plectane are connected by connecting the top of bolt and grip device, are connected on the metal connecting screw
It is connected to counterforce device and force application apparatus.
Further, the counterforce device includes metal concave main body, and the bottom surface of metal concave main body is set up in existing coagulation
The part-structure of attachment device and grip device are simultaneously located in it by the surface of soil.
Further, the force application apparatus is installed on the upper surface of metal concave main body, is to make the grip device and connect
The pulling structure that device is moved relative to concrete top rake cylinder sample.Pull structure that small jack structure etc. may be used more
Kind structure, as long as meeting can be such that grip device, attachment device is moved relative to concrete top rake cylinder sample.
Further, the force application apparatus is equipped with display screen for showing concrete pulling force value, on the force application apparatus
Equipped with the control element for detecting the value of thrust that force application apparatus applies concrete top rake cylinder sample.
The beneficial effects of the utility model：（1）During being detected, concrete top rake cylinder is tried using detector
Sample applies pulling force, measures maximum pull value, and find out concrete axial tensile strength according to tension area, highly practical, detection
Accurately；（2）It can solve the problems, such as to there is no detection existed concrete bridge axial tensile strength method in the prior art；（3）It can solve
When identification and analysis distress in concrete, the problem of qualitative analysis can only be carried out, quantitative analysis can not be carried out.
Description of the drawings
Fig. 1 is the structural representation front view of the utility model.
Fig. 2 is the structural representation sectional view of the utility model.
Fig. 3 is the structural representation side view of the utility model.
Fig. 4 is the use schematic front view of the utility model.
Fig. 5 is the use schematic sectional view of the utility model.
Fig. 6 is the use diagrammatic side view of the utility model.
Specific implementation mode
The utility model is further described with reference to specific embodiment, but the utility model is not limited to
In these specific implementation modes.One skilled in the art would recognize that the utility model covers in Claims scope
All alternatives, improvement project and the equivalent scheme that may include.
Referring to Fig.1-6, a kind of existed concrete bridge axial tensile strength draws folder method detector, including clamps existed concrete bridge 17
In concrete top rake cylinder sample 18 grip device 14, the grip device 14 by attachment device 8 respectively with counter-force fill
Set the connection of 5, force application apparatus 1, the bottom surface of the counterforce device 5 is set up in the surface of existed concrete bridge 17 and by attachment device 8
Part-structure and grip device 14 are located in it, and the force application apparatus 1 is arranged in the top of counterforce device 5.The utility model
Concrete top rake cylinder sample 18 is clamped by grip device 14, then pulling force is applied in mixed by force application apparatus 1 and counterforce device 5
On solidifying soil top rake cylinder sample 18, is destroyed until concrete top rake cylinder sample 18 is detached from existed concrete bridge 17, read coagulation
18 maximum pull value of native top rake cylinder sample, and concrete axial tensile strength is found out according to tension area.
Concrete top rake cylinder sample 18 described in the present embodiment includes the cylinder of the rounding stage body and top of lower part, rounding
Stage body bottom surface is connected with existed concrete bridge 17, and the cylinder bottom surface on top is connect with rounding stage body top surface.Rounding stage body bottom surface is straight
100 ㎜ of diameter, 105 ㎜ of top surface diameter, 15 ㎜ of height；105 ㎜ of cylinder diameter, 50 ㎜ of height.
Grip device 14 described in the present embodiment is symmetrically arranged at concrete top rake 18 1 weeks beckets of cylinder sample including two
Clevis piece 12,12 both ends of metal ring intermediate plate respectively install a metal alar plate 13,4 positioning are drilled on the metal alar plate 13
Fixing bolt circular hole 15 positions fixing bolts 11 by 4 M6 between two metal ring intermediate plates 12 and is connected and fixed.The becket
Clevis piece 12 is the smooth seamless metal in the outer surface that is made of the round platform ring body of lower part and the cylindrical ring body on top, round platform ring body
Top surface is connect with cylindrical ring body bottom surface.Round platform ring bottom internal diameter 100 ㎜, 125 ㎜ of outer diameter；105 ㎜ of round platform ring body top surface internal diameter,
125 ㎜ of outer diameter；15 ㎜ of round platform ring body height；105 ㎜ of cylindrical ring body internal diameter, 125 ㎜ of outer diameter, 60 ㎜ of height.Cylindrical ring body top surface
4 M6 connecting screw holes 10 uniformly are tapped with, for being connect with attachment device 8.
Attachment device 8 described in the present embodiment includes metal connection plectane 9, metal connecting screw 2, the metal connecting screw
2 are vertically installed at the center position of metal connection plectane 9, and the metal connection plectane 9 is drilled with 4 mating with connecting screw hole 10
A connection bolt circular hole 7, the metal connection plectane 9 pass through 7 precession of connection bolt circular hole to connect by 4 M6 connections bolts 6
Screw hole 10 is connect with grip device 14.It is connected with counterforce device 5 and force application apparatus 1 on the metal connecting screw 2.The metal
Connection plectane 9 is 125 ㎜ of diameter, 10 ㎜ of thickness.2 diameter of metal connecting screw, 12 ㎜.
Counterforce device 5 described in the present embodiment includes metal concave main body, and the bottom surface of metal concave main body is set up in existing mix
The part-structure of attachment device 8 and grip device 14 are simultaneously located in it by the surface of solidifying soil 17.
Force application apparatus 1 described in the present embodiment be set to metal concave body upper surface, for can make the grip device 14 with
The pulling structure that attachment device 8 is moved relative to concrete top rake cylinder sample 18；Structure is pulled to use small jack structure.
The force application apparatus 1 is equipped with the display screen 4 for showing concrete pulling force value, and the force application apparatus 1 is equipped with for detecting
The control element 3 for the value of thrust that force application apparatus 1 applies concrete top rake cylinder sample 18.
The present embodiment use process is as follows：（1）Finishing：17 surface of existed concrete bridge is polished flat with hand-held concrete sanding machine
It is whole；（2）Sample preparation：Using the thin diamond wall hollow boring bit each one of 105 ㎜ of internal diameter, 150 ㎜ of internal diameter.It is first that 105 ㎜ of internal diameter is hollow
Drill bit is mounted on the drilling machine with positioning device, and the concrete ring connected in star of 65 ㎜ of depth, shape are drilled out in existed concrete bridge 17
At 105 ㎜ concrete cylindricals of diameter, then 150 ㎜ hollow boring bits of internal diameter are changed, drills out the concrete ring connected in star of 65 ㎜ of depth, clearly
Except the concrete between 2 annular grooves.It is burnt using the mating inverted trapezoidal of the extension bar hand-held concrete notch grinder with positioning device
Diamond grinding head is tied, bistrique bottom surface is in same level with concrete cylindrical bottom surface, is close to concrete cylindrical side revolution mill
Concrete cylindrical is cut, top rake cylinder sample 18 is made；（3）Positioning is fixed：Concrete top rake circle is clamped with metal ring intermediate plate 12
4 M6 are positioned fixing bolt 11 and pass through the fixed circular hole 15 of positioning, tightened by column sample 18；（4）Connection：4 M6 connection bolts
6 pass through the connected circular hole 7 on metal connection plectane 9, in the connecting screw hole 10 of precession metal ring intermediate plate 12, tighten；（5）It surveys
It is fixed：Pulling force is applied on concrete top rake cylinder sample 18 by metal connecting screw 2 using force application apparatus 1 and counterforce device 5,
It is destroyed until concrete top rake cylinder sample 18 is detached from existed concrete bridge 17, reading concrete top rake cylinder sample 18 is maximum to be drawn
Force value, and concrete axial tensile strength is found out according to tension area.
In the present embodiment, it can directly be calculated by external equipment, obtain the axial tensile strength of concrete.Certainly,
It can also be obtained by automatic method, it is specific as follows：Control element 3 is equipped in force application apparatus 1, which can be with
The value of thrust that detection force application apparatus 1 applies concrete top rake cylinder sample 18, and interior can set tension area.When concrete top rake
When cylinder sample 18 destroys, control element 3 can directly obtain concrete top rake cylinder according to maximum pull value and tension area
The axial tensile strength of sample 18, and shown by display screen 4, it is read convenient for user, and simplify operation.
Claims (8)
1. a kind of existed concrete bridge axial tensile strength draws folder method detector, it is characterised in that：Including clamping in existed concrete bridge
Concrete top rake cylinder sample grip device, the grip device by attachment device respectively with counterforce device, force fill
Connection is set, the bottom surface of the counterforce device is set up in the surface of existed concrete bridge and fills the part-structure of attachment device and fixture
It sets and is located in it, the force application apparatus is arranged in the top of counterforce device.
2. a kind of existed concrete bridge axial tensile strength according to claim 1 draws folder method detector, it is characterised in that：Institute
It includes the rounding stage body of lower part and the cylinder on top to state concrete top rake cylinder sample, rounding stage body bottom surface and existed concrete bridge
It is connected, cylinder bottom surface is connect with rounding stage body top surface.
3. a kind of existed concrete bridge axial tensile strength according to claim 1 draws folder method detector, it is characterised in that：Institute
It includes two being symmetrically arranged at the one week metal ring intermediate plate in concrete top rake cylinder sample side, the metal ring to state grip device
Intermediate plate both ends are equipped with metal alar plate, and multiple positioning fixing bolt circular holes, two metal ring intermediate plates are drilled on the metal alar plate
It is connected and fixed by positioning fixing bolt.
4. a kind of existed concrete bridge axial tensile strength according to claim 3 draws folder method detector, it is characterised in that：Institute
It is the smooth seamless metal in the outer surface that is made of the round platform ring body of lower part and the cylindrical ring body on top, circle to state metal ring intermediate plate
Platform ring body top surface is connect with cylindrical ring body bottom surface, and cylindrical ring body top surface is uniformly tapped with multiple connecting screw holes, is used for and attachment device
Connection.
5. a kind of existed concrete bridge axial tensile strength according to one of claim 1 ~ 4 draws folder method detector, feature
It is：The attachment device includes metal connection plectane, metal connecting screw, and the metal connecting screw is vertically installed at metal
The center position of plectane is connected, the metal connection plectane is drilled with the multiple connection bolt circular holes mating with connecting screw hole, institute
It states metal connection plectane and is connected by connecting the top of bolt and grip device, counter-force dress is connected on the metal connecting screw
It sets and force application apparatus.
6. a kind of existed concrete bridge axial tensile strength according to claim 5 draws folder method detector, it is characterised in that：Institute
It includes metal concave main body to state counterforce device, and the bottom surface of metal concave main body is set up in the surface of existed concrete bridge.
7. a kind of existed concrete bridge axial tensile strength according to claim 6 draws folder method detector, it is characterised in that：Institute
The upper surface that force application apparatus is installed on metal concave main body is stated, is that the grip device is made to be cut relative to concrete with attachment device
The pulling structure of angle cylinder sample movement.
8. a kind of existed concrete bridge axial tensile strength according to claim 1 draws folder method detector, it is characterised in that：Institute
Force application apparatus is stated equipped with the display screen for showing concrete pulling force value, the force application apparatus is equipped with to be filled for detecting force
Set the control element of the value of thrust applied to concrete top rake cylinder sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820260407.1U CN207923589U (en) | 2018-02-22 | 2018-02-22 | A kind of existed concrete bridge axial tensile strength drawing folder method detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820260407.1U CN207923589U (en) | 2018-02-22 | 2018-02-22 | A kind of existed concrete bridge axial tensile strength drawing folder method detector |
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| Publication Number | Publication Date |
|---|---|
| CN207923589U true CN207923589U (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820260407.1U Expired - Fee Related CN207923589U (en) | 2018-02-22 | 2018-02-22 | A kind of existed concrete bridge axial tensile strength drawing folder method detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN207923589U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203636A (en) * | 2021-05-11 | 2021-08-03 | 吴海涛 | Concrete setting strength detection device |
| CN113203635A (en) * | 2021-05-11 | 2021-08-03 | 吴海涛 | Method for detecting concrete setting strength in low-temperature environment |
-
2018
- 2018-02-22 CN CN201820260407.1U patent/CN207923589U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203636A (en) * | 2021-05-11 | 2021-08-03 | 吴海涛 | Concrete setting strength detection device |
| CN113203635A (en) * | 2021-05-11 | 2021-08-03 | 吴海涛 | Method for detecting concrete setting strength in low-temperature environment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |