CN207066853U - A kind of precast concrete test device for multifunctional - Google Patents
A kind of precast concrete test device for multifunctional Download PDFInfo
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- CN207066853U CN207066853U CN201720844701.2U CN201720844701U CN207066853U CN 207066853 U CN207066853 U CN 207066853U CN 201720844701 U CN201720844701 U CN 201720844701U CN 207066853 U CN207066853 U CN 207066853U
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- precast concrete
- support
- test device
- longeron
- bearing
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 69
- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 238000009826 distribution Methods 0.000 claims description 12
- 239000004567 concrete Substances 0.000 claims description 6
- 230000001112 coagulating effect Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of precast concrete test device for multifunctional, the present apparatus includes bearing, the bearing is provided with the Shang Ding mechanisms for being used for jacking the precast concrete upwards, support is additionally provided with the bearing and limits the support limit mechanism that the precast concrete moves up, the present apparatus also includes being used for the deformation measurement mechanism for measuring the deformation extent of each several part of the precast concrete.The advantages of utility model, is：By the way of loading upwards, avoid precast concrete deadweight caused by deflection the problem of being difficult to measurement, and device is easy to assembly.
Description
Technical field
It the utility model is related to assembled architecture simple flexural member experimental technique field, more particularly to a kind of concrete
Native element bearing capacity experimental rig.
Background technology
Freely-supported precast concrete beam slab is a kind of common component in fabricated construction, and its bending resistance bearing test exists《Concrete
Structure acceptance technical regulation》It is distinctly claimed in GB 50204, its amount of deflection, crack and ultimate bearing capacity is tested, for
Restressed beam slab should increase cracking test.After " 12 ", the development of housing industrialization is paid attention to by governments at all levels, assembled
Construction scope increases therewith, the Quality supervision of assembled architecture and detection, is a great problem faced.
The accumulated loading test preparation time is long at the scene, workload is big for existing detection platform, is broken it is difficult to be loaded onto component
The problems such as bad state, and personnel carry counterweight influences instrument measurement accuracy, test specimen occur destruction sign when be difficult to unload in time
Carry, severe compromise be present.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of this utility model is solve detection platform in the prior art
Field loading test is difficult and the result of detection of platform has the problem of error, therefore, the utility model provides, one kind is prefabricated to mix
Coagulate native element bearing capacity experimental rig.
To achieve the above object, the utility model uses following technical scheme：
A kind of precast concrete test device for multifunctional, the present apparatus include bearing, the bearing be provided be used for
The Shang Ding mechanisms of the upper jacking precast concrete, support and the limitation precast concrete structure are additionally provided with the bearing
The support limit mechanism that part moves up, the present apparatus also include being used for the deformation journey to each several part of the precast concrete
Spend the deformation measurement mechanism measured.
Optimization, the support limit mechanism includes support beam and longeron, and the support beam is arranged on bearing, the branch
Supportting beam includes mutually isostructural first support beam and the second support beam at carrying precast concrete both ends, and the support beam is left
The right side is symmetricly set on bearing；First support beam of left half and the first support beam of right half include crossbeam and vertical beam, left
Partial vertical beam, the vertical beam of right half and bearing forms U-type groove structure；
The longeron is arranged on the top of precast concrete and be arranged in parallel with crossbeam, and the present apparatus also includes making crossbeam
The drag link mechanism of precast concrete is clamped with longeron.
Optimization, the longeron includes the first longeron being arranged in the first support beam and is arranged in the second support beam
Second longeron, roller bearing and angle branch are separately installed with the lower wing plate of first longeron and the second longeron.
Optimization, crossbeam and the vertical beam junction is provided with floor.
Optimization, the Shang Ding mechanisms include reaction beam, and the both ends of the reaction beam are passed through in the first support beam and second
The U-type groove structure of support beam, U-type groove structure upper end open are easy to the lifting of reaction beam 2, and the upper side of the reaction beam is provided with
The jack of upper top precast concrete.
Optimization, in addition to pressure gauge, backing plate, distribution beam, the distribution beam, jack, pressure gauge, backing plate are from top to bottom
The top of reaction beam is successively set on, the distribution beam be arranged in parallel with support beam.
Optimization, the deformation measurement mechanism includes datum line beam, benchmark boom support, dial gauge, and the datum line beam passes through base
Quasi- boom support is set in parallel on precast concrete, and the dial gauge is vertically set on datum line beam and precast concrete
Between, the both ends of dial gauge contact with datum line beam and precast concrete respectively.
Optimization, the benchmark boom support and datum line beam are arranged on the top of precast concrete, the datum line beam branch
Square groove that datum line beam may pass through and upper opening is provided with frame, the datum line beam is square list structure.
Optimization, the benchmark boom support from by way of anchor bolt being fixed on precast concrete.
Optimization, the deformation measurement mechanism also includes steering angle instrument, and the steering angle instrument is arranged on precast concrete
Both ends.
The utility model has the advantage of：
(1) the utility model avoids deflection caused by precast concrete deadweight by the way of loading upwards
The problem of being difficult to measurement, while experimental rig is easy to assembly, Assembling workload is small, efficiency high, and test data is more accurate,
Test process control, it is safe the advantages that.
(2) the U-type groove structure in the utility model can be spacing to reaction beam, prevents reaction beam perpendicular to reaction beam
Moved horizontally on length direction.
(3) the utility model benchmark boom support is square slot structure, and datum line beam is square list structure and may pass through square
Groove, so prevent datum line beam from influenceing measurement result to displacement or torsion on the inside of benchmark boom support.
(4) thrust on jack can be distributed in the entire surface of distribution beam by the distribution beam in the utility model, from
And Optimum Experiment effect.
(5) floor of the present utility model can increase the rigidity of support beam.
Brief description of the drawings
Fig. 1 is a kind of front view of precast concrete test device for multifunctional of the utility model.
Fig. 2 is a kind of left view of precast concrete test device for multifunctional of the utility model.
Each part is described as follows in figure：
11- the first support beam 12- the second support beam 111- crossbeam 112- vertical beam 15- floors
13- bearing 2- reaction beam 3- precast concretes
41- the first longeron the second longerons of 42-
5- drag link mechanism 51- pull bar 52- nut 6- roller bearing 7- angles branch 8- pressure gauges
9- jack 10- backing plate 20- distribution beam 21- dial gauge 22- datum line beams
231- the first benchmark boom support 232- the second benchmark boom supports.
Embodiment
As shown in Figure 1-2, a kind of precast concrete test device for multifunctional, the present apparatus include bearing 13, bearing 13
The Shang Ding mechanisms for being used for jacking precast concrete 3 upwards are provided with, support and limitation concrete are additionally provided with bearing 13
The support limit mechanism that native component 3 moves up, the present apparatus also include being used for the deformation to each several part of precast concrete 3
The deformation measurement mechanism that degree measures.
Specifically, support limit mechanism includes support beam, longeron, drag link mechanism 5.Shang Ding mechanisms include reaction beam 2, thousand
Jin top 9, pressure gauge 8, jack 9, backing plate 10, distribution beam 20.Deformation measurement mechanism includes datum line beam 22, dial gauge 21, benchmark
Boom support.
Support limit mechanism includes support beam and longeron, and support beam is arranged on bearing 13, and it is prefabricated that support beam includes carrying
The support beam 12 of mutually isostructural first support beam 11 and second at the both ends of concrete component 3, the first support beam 11 is symmetrical to be set
Put on bearing 13；First support beam 11 of left half and the first support beam 11 of right half include crossbeam 111 and vertical beam
112, the crossbeam 111 and vertical beam 112 of left-right parts form 7 character form structures, and crossbeam 111 and the junction of vertical beam 112 are provided with floor
10.The vertical beam 112 of left half, the vertical beam 112 of right half and bearing 13 form U-type groove structure.Wherein bearing 13 can be integrated
Structure, suitable for ground out-of-flatness or the ground environment easily to sink, bearing 13 is divided into two parts in the present embodiment, supports respectively
The second support beam 12 of one support beam 11 and support, it can so reduce the weight of whole device.Bearing 13 is I-shaped structure.From
And increase the bearing capacity of bearing 13.
Longeron is arranged on the top of precast concrete 3 and be arranged in parallel with crossbeam 111, and the present apparatus also includes making crossbeam
111 and longeron clamp precast concrete 3 drag link mechanism 5.Drag link mechanism 5 includes pull bar 51 and nut 52, passes through adjustment
Nut 52 adjusts the tensioning degree of pull bar 51.The installation and debugging of precast concrete 3 are easy in the setting of support beam, pass through drawing
The longeron of the constraint of linkage 5 top, after reaction beam 2 and longeron stress, whole device just forms self-balancing stress system.
Longeron includes the first longeron 41 and be arranged in the second support beam 12 second being arranged in the first support beam 11
Roller bearing 6 and angle branch 7 are separately installed with the lower wing plate of longeron 42, the first longeron 41 and the second longeron 42.
The both ends of reaction beam 2 in Shang Ding mechanisms pass through the U-type groove structure of the first support beam 11 and the second support beam 12, instead
Power beam 2 is designed to disconnected mode with support beam, is that the first support beam 11 of regulation and the second support beam 12 are horizontal for convenience
Spacing, to meet the test requirements document of the precast concrete 3 of different length, while assemble, dismantle simple, convenience in transport.Point
It is successively set on the top of reaction beam 2 from top to bottom with beam 20, jack 9, pressure gauge 8, backing plate 10, is specifically located at reaction beam
2 middle part.Distribution beam 20 be arranged in parallel with support beam.
Datum line beam 22 is set in parallel on precast concrete 3 by benchmark boom support, in the present embodiment datum line beam
Support is arranged on the top of precast concrete 3, the axis of the length direction of datum line beam 22 by way of from anchor bolt
It is parallel with above and below the axis of the length direction of precast concrete 3.In detail, benchmark boom support includes the first datum line beam branch
The benchmark boom support 232 of frame 231 and second, the first benchmark boom support 231 and the second benchmark boom support 232 it is contour be arranged on it is prefabricated mixed
Coagulate the top of native component 3.Datum line beam 22 is provided with first benchmark boom support 231 and the second benchmark boom support 232 may pass through
And upper opening square groove, datum line beam 22 is square list structure.So prevent the lateral displacement of datum line beam 22 or torsion and
Measurement result is influenceed, and the deformation of precast concrete 3 will not cause the stress deformation of datum line beam 22 during testing, hundred
Point table 21 is vertically set between datum line beam 22 and precast concrete 3, the both ends of dial gauge 21 respectively with datum line beam 22 and
Precast concrete 3 contacts.Specifically, wherein dial gauge 21 is multiple, it is uniformly arranged along the length direction of datum line beam 22.
It is the relative deformation value with the both ends of precast concrete 3 that each dial gauge 21, which surveys deformation, avoids ground caused by load
Deformation and personnel carry counterweight caused by dial gauge 21 vibration, caused by test result deviation.
Whole device by the way of loading upwards, avoid precast concrete 3 conduct oneself with dignity caused by deflection be difficult to
The problem of measurement.
As needed, dial gauge 21 and pressure gauge 8 can be connected with data acquisition equipment, can also uses small servo system
System, added with computer control jack 9, unload load.And deformation measurement mechanism is also provided with steering angle instrument (not shown),
The steering angle instrument is arranged on the both ends of precast concrete 3, can also set strain gauge.
It is in order that as follows with the above-mentioned test device for multifunctional of precast concrete 3, specific installation steps：
The smooth place of S1, selection is placed in parallel base 13, first support beam 11 and the second support beam 12 on base 13；
S2, lifting reaction beam 2 cause U-type groove support and constraint reaction beam 2；
S3, the upper flange that backing plate 10, pressure gauge 8, jack 9, distribution beam 20 are successively set on to reaction beam 2 from top to bottom
Middle part；
S4, precast concrete 3 is placed on the crossbeam 111 of support beam；
S5, longeron is placed on precast concrete 3, make crossbeam 111 with drag link mechanism 5 and longeron clamp it is prefabricated mixed
Coagulate native component 3；
S6, the top of precast concrete 3 set the first benchmark boom support 231 and the second benchmark boom support 232, by under
The datum line beam 22 that side is provided with dial gauge 21 is placed on the first benchmark boom support 231 and the second benchmark boom support 232；Datum line beam
22 is parallel with above and below the axis of the length direction of precast concrete 3, installs dial gauge 21 and dial gauge is vertically arranged
Between datum line beam 22 and precast concrete 3, the both ends of dial gauge 21 respectively with datum line beam 22 and precast concrete 3
Contact, dial gauge 21 return to zero after installing.
The preferred embodiment that the utility model is created is these are only, is not created to limit the utility model, it is all
All any modification, equivalent and improvement made within the spirit and principle that the utility model is created etc., should be included in this
Within the protection domain that utility model is created.
Claims (10)
1. a kind of precast concrete test device for multifunctional, it is characterised in that the present apparatus includes bearing (13), the bearing
(13) the Shang Ding mechanisms for being used for jacking the precast concrete (3) upwards are provided with, is additionally provided with and holds on the bearing (13)
The support limit mechanism that the precast concrete (3) moves up is held in the palm and limits, the present apparatus also includes being used for described pre-
The deformation measurement mechanism that the deformation extent of each several part of concrete component (3) processed measures.
A kind of 2. precast concrete test device for multifunctional according to claim 1, it is characterised in that the support
Position-limit mechanism includes support beam and longeron, and the support beam is arranged on bearing (13), and the support beam includes carrying prefabricated mix
Mutually isostructural first support beam (11) and the second support beam (12), the support beam for coagulating native component (3) both ends are symmetrical
It is arranged on bearing (13)；The first support beam (11) of left half and the first support beam (11) of right half include crossbeam
(111) and vertical beam (112), the vertical beam (112) of left half, the vertical beam (112) of right half and bearing (13) form U-type groove structure；
The longeron is arranged on the top of precast concrete (3) and be arranged in parallel with crossbeam (111), and the present apparatus also includes making
Crossbeam (111) and longeron clamp the drag link mechanism (5) of precast concrete (3).
A kind of 3. precast concrete test device for multifunctional according to claim 2, it is characterised in that the longeron
Including the first longeron (41) being arranged in the first support beam (11) and the second longeron being arranged in the second support beam (12)
(42) roller bearing (6) and angle branch (7), are separately installed with the lower wing plate of first longeron (41) and the second longeron (42).
A kind of 4. precast concrete test device for multifunctional according to claim 2, it is characterised in that the crossbeam
(111) and vertical beam (112) junction is provided with floor (10).
A kind of 5. precast concrete test device for multifunctional according to claim 2, it is characterised in that the upper top
Mechanism includes reaction beam (2), and the both ends of the reaction beam (2) pass through the U in the first support beam (11) and the second support beam (12)
Type groove structure, U-type groove structure upper end open are easy to the lifting of reaction beam (2), and the upper side of the reaction beam (2) is provided with top
The jack (9) of precast concrete (3).
6. a kind of precast concrete test device for multifunctional according to claim 5, it is characterised in that also include pressure
Power meter (8), backing plate (10), distribution beam (20), the distribution beam (20), jack (9), pressure gauge (8), backing plate (10) on to
Under be successively set on the tops of reaction beam (2), the distribution beam (20) be arranged in parallel with support beam.
A kind of 7. precast concrete test device for multifunctional according to claim 1, it is characterised in that the deformation
Measuring mechanism includes datum line beam (22), benchmark boom support, dial gauge, and the datum line beam is set in parallel in pre- by benchmark boom support
On concrete component (3) processed, the dial gauge (21) is vertically set between datum line beam (22) and precast concrete (3),
The both ends of dial gauge (21) contact with datum line beam (22) and precast concrete (3) respectively.
A kind of 8. precast concrete test device for multifunctional according to claim 7, it is characterised in that the benchmark
Boom support and datum line beam (22) are arranged on the top of precast concrete (3), and datum line beam is provided with the benchmark boom support
(22) square groove may pass through and upper opening, the datum line beam (22) are square list structure.
9. a kind of precast concrete test device for multifunctional according to claim 7 or 8, it is characterised in that described
Benchmark boom support from by way of anchor bolt being fixed on precast concrete (3).
A kind of 10. precast concrete test device for multifunctional according to claim 1, it is characterised in that the change
Shape measuring mechanism also includes steering angle instrument, and the steering angle instrument is arranged on the both ends of precast concrete (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844701.2U CN207066853U (en) | 2017-07-12 | 2017-07-12 | A kind of precast concrete test device for multifunctional |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844701.2U CN207066853U (en) | 2017-07-12 | 2017-07-12 | A kind of precast concrete test device for multifunctional |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207066853U true CN207066853U (en) | 2018-03-02 |
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ID=61511698
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720844701.2U Expired - Fee Related CN207066853U (en) | 2017-07-12 | 2017-07-12 | A kind of precast concrete test device for multifunctional |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207066853U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238529A (en) * | 2017-07-12 | 2017-10-10 | 安徽省建筑科学研究设计院 | A kind of precast concrete test device for multifunctional and installation method |
| CN109540650A (en) * | 2018-12-05 | 2019-03-29 | 河海大学 | A kind of modular multi-function self-balancing reaction frame loading device and its application method |
-
2017
- 2017-07-12 CN CN201720844701.2U patent/CN207066853U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238529A (en) * | 2017-07-12 | 2017-10-10 | 安徽省建筑科学研究设计院 | A kind of precast concrete test device for multifunctional and installation method |
| CN107238529B (en) * | 2017-07-12 | 2023-04-07 | 安徽省建筑科学研究设计院 | Precast concrete member bearing capacity test device and installation method |
| CN109540650A (en) * | 2018-12-05 | 2019-03-29 | 河海大学 | A kind of modular multi-function self-balancing reaction frame loading device and its application method |
| CN109540650B (en) * | 2018-12-05 | 2021-05-11 | 河海大学 | Modular multifunctional self-balancing reaction frame loading device and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230001 No.567, Shanhu Road, Shushan District, Hefei City, Anhui Province Patentee after: ANHUI INSTITUTE OF BUILDING RESEARCH & DESIGN Patentee after: Anhui Construction Engineering Testing Technology Group Co.,Ltd. Address before: 230001 No.567, Shanhu Road, Shushan District, Hefei City, Anhui Province Patentee before: ANHUI INSTITUTE OF BUILDING RESEARCH & DESIGN Patentee before: QUALITY OF CONTRUCTION IN ANHUI PROVINCE SUPERVISION AND INSPECTION STATION |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 |