CN206038412U - Loading counter weight device - Google Patents
Loading counter weight device Download PDFInfo
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- CN206038412U CN206038412U CN201620910621.8U CN201620910621U CN206038412U CN 206038412 U CN206038412 U CN 206038412U CN 201620910621 U CN201620910621 U CN 201620910621U CN 206038412 U CN206038412 U CN 206038412U
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- cylinder
- counter weight
- weight device
- loading counter
- test
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Abstract
The utility model discloses a loading counter weight device relates to prefabricated component's test technical field, and is limited to current loading testing method application scope, relies on fixed test site, leads to work efficiency to reduce, problem that experimentation cost increases. It includes a reinforced concrete ballast reaction frame, and it is connected in a plurality of binders of cylinder bottom by a pair of cylinder vertical and relative setting, spanes and rigid coupling in sign indicating number roof beam and rigid coupling in the sign indicating number breast portion and the auxiliary girder constitution parallel with the cylinder on cylinder top, and rigid coupling in a plurality of brackets in the cylinder outside.
Description
Technical field
This utility model is related to the Test And Check Technology field of prefabricated components, more particularly to a kind of loading counter weight device.
Background technology
With science of bridge building standardization, the continuous development of batch production, the testing inspection project of precast beam is more and more；Its
In, load test is one of important step of bridge static loading test, and load test can make precast beam enter normal work shape
State so as to which malformation is stable with load relation, so as to check the design and construction quality of bridge.
At present, conventional load test method has direct accumulation load method and anchoring pile is counter pushes up method, is analyzed as follows：
Directly accumulation load method is the most frequently used, generally uses steel ingot or concrete block is directly stacked on precast beam, and using very heavy
The anti-top precast beam in top is loaded；The method is only applicable to load the less prefabricated components of counter-force, when counter-force is larger, the steel of counterweight
Ingot or concrete block are banked up not only many but also high, should not operate also very dangerous；And, steel ingot and concrete block are difficult to obtain, such as
Specially make or lease, load test cost can be caused to raise.
The anti-suitability for pushing up method of anchoring pile is wider, safe and reliable, but needs special making anchoring pile, it is desirable to which test site is fixed,
During load test, needing for precast beam to be transported to specified test site can just carry out load test, not only reduce work efficiency,
And increased experimentation cost.
It was verified that loading equipemtn is reasonably selected, for experiment work and guarantee test quality is smoothly completed, with very
Big impact.
The content of the invention
For existing load test method restricted application, fixed test site is relied on, causes work efficiency to drop
Low, the problem that experimentation cost increases, the purpose of this utility model there is provided a kind of loading counter weight device, expand loading counter-force
The scope of application of test so that load test is more safe and reliable, the selection of test site are more flexible, and reduce loading examination
The material resources tested and human cost.
This utility model solves the loading counter weight device adopted by its technical problem, for carrying out loading examination to test beam
Test, including an armored concrete reaction frame, it by a pair of columns that is vertical and being oppositely arranged, if being connected to the cylinder bottom
Responsibility beam, across and be fixed in the code beam on cylinder top described in a pair, and be fixed in Ma Liang bottoms and flat with the cylinder
Capable auxiliary beam composition；And some brackets being fixed on the outside of cylinder described in a pair.
Preferably, some embedded bars are provided with the top of the cylinder, and the anchored end of the embedded bar is embedded in the post
In vivo, the free end of the embedded bar stretches out the cylinder and runs through corresponding through hole on the code beam, and the pre-buried steel
The top of muscle is locked by securing member.
Preferably, anchored end of the embedded bar in the cylinder be T-shaped or L-shaped.
Preferably, the cross section of the bracket is L-shaped, and some brackets are symmetrically fixed in the outside of the cylinder, and
The vertical portion of the bracket is located remotely from one end of the armored concrete reaction frame so that the bracket is common with the cylinder
Constitute arm is chosen for place counterweight.
Preferably, longitudinally superimposed some described code beam connects into one by being fixed in the batten plate of putting more energy into of the code beam sides
Body.
Preferably, concrete of the armored concrete reaction frame using strength grade more than or equal to C30 is made.
Preferably, reinforcing bar of the counterweight using more than diameter 20mm, and the reinforcing bar colligation is shelved into some bundles
On the bracket.
Preferably, also including the reverse ejection device for being held on the test beam top, the reverse ejection device include jack and
It is installed on the pressure transducer on the jack top.
Effect of the present utility model is：Loading counter weight device of the present utility model, used as the reinforced concrete of agent structure
Native reaction frame is by vertical and a pair of columns being oppositely arranged and some binders for being connected to cylinder bottom constitute U-frame frame, code beam
And located at its bottom auxiliary beam across and be fixed in the top of a pair of columns；Some brackets for supporting counterweight are fixed in
The outside of a pair of columns；During load test, the center of test beam is placed in into the middle part of the groove that binder is enclosed with cylinder, it is anti-to push up
Device is positioned between auxiliary beam and test beam, and realizes loading test beam using the anti-armored concrete reaction frame that pushes up of reverse ejection device
Purpose；The counterweight of deadweight and heap object carrier of the loading counter weight device using armored concrete ballast reaction frame, increases
The load of loading counter weight device, expands the scope of application of loading counter-force test；As counterweight derives from armored concrete counter-force
Frame is conducted oneself with dignity and near the counterweight on ground, it is to avoid when traditional reaction frame carries out load test, the high-altitude preloading in bridge matches somebody with somebody
Weight body and the operational risk brought so that load test is more safe and reliable；And, the loading counter weight device is with ground without anchor
Be solidly connected, the selection of test site is more flexible, therefore more convenient to operate, reduce load test material resources and manpower into
This.
Description of the drawings
Fig. 1 is the structural representation that one embodiment of this utility model loads counter weight device；
Fig. 2 for Fig. 1 B to structural representation；
A-A sectional views of the Fig. 3 for Fig. 2.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes a kind of loading counter weight device make further in detail
Describe in detail bright.According to description below and claims, advantages and features of the present utility model will become apparent from.Below will be by listed
For embodiment combine accompanying drawing, describe technology contents of the present utility model and feature in detail.Need to illustrate in addition, accompanying drawing is adopted
With very simplified form and using non-accurately ratio, only to convenient, lucidly aid illustration this utility model enforcement
The purpose of example.For sake of convenience, it is described below " on ", the upper and lower direction of D score and accompanying drawing it is consistent, but this can not become
The restriction of technical solutions of the utility model.
Embodiment one：With reference to Fig. 1 to Fig. 3 explanations loading counter weight device 100 of the present utility model, for putting to both ends horizontal
The test beam 1 being placed on buttress 2 carries out load test, and above-mentioned loading counter weight device 100 includes an armored concrete reaction frame 10,
It is connected to some binders 12 of 11 bottom of cylinder by a pair of columns 11 that is vertical and being oppositely arranged, across and be fixed in a pair
The code beam 20 on 11 top of cylinder, and it is fixed in 20 bottom of yard beam and the auxiliary beam 30 parallel with cylinder 11 is constituted；And it is fixed in one
To some brackets 40 on the outside of cylinder 11.
Above-mentioned loading counter weight device 100, as agent structure armored concrete reaction frame 10 by vertical and be oppositely arranged
A pair of columns 11 and be connected to the composition U-frame frame of some binders 12 of 11 bottom of cylinder, code beam 20 and located at the auxiliary of its bottom
Beam 30 across and be fixed in the top of a pair of columns 11；Some brackets 40 for supporting counterweight are fixed in a pair of columns 11
Outside；During load test, the center of test beam 1 is placed in into the middle part of the groove that binder 12 is enclosed with cylinder 11, anti-top dress
Storing is placed between auxiliary beam 30 and test beam 1, and is realized to test beam 1 using the anti-armored concrete reaction frame 10 that pushes up of reverse ejection device
The purpose of loading；The counterweight of deadweight and heap object carrier of the loading counter weight device 100 using armored concrete reaction frame 10, increases
The big load of loading counter weight device 100, expands the scope of application of loading counter-force test；As counterweight derives from reinforced concrete
Native reaction frame 41 is conducted oneself with dignity and near the counterweight on ground, it is to avoid when traditional reaction frame carries out load test, high in bridge
Empty preloading counterweight and the operational risk brought so that load test is more safe and reliable；And, the loading counter weight device
100 with ground without anchor connection, the selection of test site is more flexible therefore more convenient to operate, reduces load test
Material resources and human cost；Loading counter weight device 100 of the present utility model is mainly used in carrying out load test to prefabricated components.
As shown in Fig. 2 being provided with some embedded bar 11a at the top of cylinder 11, the anchored end of embedded bar 11a is embedded in cylinder
In 11, the free end of embedded bar 11a stretches out cylinder 11 and runs through corresponding through hole on code beam 20, and the top of embedded bar 11a
End is locked by securing member 11b；The preferred bearing pins of securing member securing member 11b in the present embodiment, certainly, are only one herein and show
Example, securing member 11b are not limited thereto；The code beam 20 between cylinder 11 is across by the embedded bar 11a in cylinder 11 and
Securing member 11b is removably attachable on cylinder 11, not only easy accessibility, and is conveniently adjusted the quantity of piling up of yard beam 20, side
Just adjust itself load of armored concrete reaction frame 10.
Preferably, anchored ends of the above-mentioned embedded bar 11a in cylinder 11 be T-shaped or L-shaped, the said structure shape of anchored end
Formula, is more beneficial for anchored end and is firmly secured in the xoncrete structure of cylinder 11.
As shown in Fig. 2 40 cross section of bracket is L-shaped, some brackets 40 are symmetrically fixed in the outside of cylinder 11, and bracket 40
Vertical portion be located remotely from one end of armored concrete reaction frame 10 so that bracket 40 is collectively formed with cylinder 11 matches somebody with somebody for placing
Weight body 60 chooses arm.Bracket 40 is symmetrical arranged, just the both sides of armored concrete reaction frame 10 have a uniform load, vertically
Portion can avoid counterweight from skidding off bracket 40, to ensure the safety of operator.
Please continue to refer to Fig. 2, some yards of longitudinally superimposed beams 20 are connected by being fixed in the batten plate 21 of putting more energy into of 20 side of yard beam
It is connected into one so that the lifting of code beam 20 is convenient, improves work efficiency.
Preferably, concrete of the armored concrete reaction frame 10 using strength grade more than or equal to C30 is made, to ensure steel
Reinforced concrete reaction frame 10 has enough structural strengths.
Counterweight 60 adopts the reinforcing bar of more than diameter 20mm, and reinforcing bar colligation to be held on bracket 40, no into some bundles
But convenient to calculate load, and it is easy to lifting；As counterweight 60 has drawn from the conventional reinforcing bar in each construction site so that draw materials
It is convenient, traditional steel ingot and concrete block is compared, the loading method of the present embodiment reduces experimentation cost.
Embodiment two：From unlike embodiment one, the loading counter weight device 100 of the present embodiment also includes being held on test
The reverse ejection device 50 on 1 top of beam, above-mentioned reverse ejection device 50 include jack 52 and are installed on the pressure sensing on very heavy 52 top top
Device 51.Lifting jack 52 holds out against auxiliary beam 30, and then realizes the loading to test beam 1, jack 52 and pressure in the present embodiment
Sensor 51 can be bought by commercial channel.
Illustrate that counter weight device is loaded using this utility model carries out the process of load test with reference to Fig. 1 to Fig. 3, specifically
Step is as follows：
First, lift test beam 1 and be set up on the buttress 2 of 1 both sides of test beam, and make test beam 1 mixed positioned at reinforcing bar
Between two cylinders 11 of solidifying soil power frame 10；
2nd, reverse ejection device 50 is held between test beam 1 and auxiliary beam 30, and is made pre- between reverse ejection device 50 and auxiliary beam 30
Leave a gap；
3rd, start reverse ejection device 50, test beam 1 is implemented to load by reverse ejection device 50, in the bracket of 11 both sides of cylinder
40 last or multistage loadings counterweights 60 are seen side and record the number that reverse ejection device 50 is measured under corresponding load to peak load
According to.
In sum, first test beam 1 is set up between two cylinders 11 of armored concrete reaction frame 10, then will be anti-
Ejection device 50 is held between test beam 1 and auxiliary beam 30, then test beam 1 is implemented to load by reverse ejection device 50, is seen side and is remembered
Picture recording answers the data that reverse ejection device 50 is measured under load, carries out completing the counter-force load test of test beam 1；Load test process
In, the loading of counterweight 60 is without the need for upper air installing, it is to avoid the high-altitude preloading counterweight 60 in bridge and the operation that brings
Risk so that load test is more safe and reliable, and more convenient to operate, reduce load test material resources and manpower into
This.
Foregoing description is only the description to this utility model preferred embodiment, not any limit to this utility model scope
It is fixed, any change that the those of ordinary skill in this utility model field is done according to the disclosure above content, modification, belonging to right will
Seek the protection domain of book.
Claims (8)
1. it is a kind of to load counter weight device, for carrying out load test to test beam, it is characterised in that include：
One armored concrete reaction frame, it is connected to some of the cylinder bottom by a pair of columns that is vertical and being oppositely arranged
Binder, across and be fixed in the code beam on cylinder top described in a pair, and be fixed in the Ma Liang bottoms and with the cartridges parallel
Auxiliary beam composition；
And some brackets being fixed on the outside of cylinder described in a pair.
2. loading counter weight device according to claim 1, it is characterised in that：Some pre-buried steels are provided with the top of the cylinder
Muscle, the anchored end of the embedded bar are embedded in the cylinder, and the free end of the embedded bar stretches out the cylinder and passes through
Corresponding through hole on the code beam is worn, and the top of the embedded bar is locked by securing member.
3. loading counter weight device according to claim 2, it is characterised in that：Anchor of the embedded bar in the cylinder
Fixed end is T-shaped or L-shaped.
4. loading counter weight device according to claim 1, it is characterised in that：The cross section of the bracket is L-shaped, Ruo Gansuo
The outside that bracket is symmetrically fixed in the cylinder is stated, and the vertical portion of the bracket is located remotely from the armored concrete reaction frame
One end so that the bracket and the cylinder to be collectively formed and choose arm for place counterweight.
5. loading counter weight device according to claim 1, it is characterised in that：Longitudinally superimposed some described code beam is by solid
The batten plate of putting more energy into for being connected on the code beam sides links into an integrated entity.
6. loading counter weight device according to claim 1, it is characterised in that：The armored concrete reaction frame adopts intensity
Grade is made more than or equal to the concrete of C30.
7. loading counter weight device according to claim 4, it is characterised in that：The counterweight adopts more than diameter 20mm
Reinforcing bar, and the reinforcing bar colligation into it is some bundle be held on the bracket.
8. the loading counter weight device according to any one of claim 1 to 7, it is characterised in that：Also include being held on the examination
The reverse ejection device at back end is tested, the reverse ejection device includes jack and is installed on the pressure transducer on the jack top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620910621.8U CN206038412U (en) | 2016-08-19 | 2016-08-19 | Loading counter weight device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620910621.8U CN206038412U (en) | 2016-08-19 | 2016-08-19 | Loading counter weight device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038412U true CN206038412U (en) | 2017-03-22 |
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ID=58307509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620910621.8U Active CN206038412U (en) | 2016-08-19 | 2016-08-19 | Loading counter weight device |
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| CN (1) | CN206038412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153443A (en) * | 2016-08-19 | 2016-11-23 | 上海市政工程设计研究总院（集团）有限公司 | A kind of loading counter weight device and loading method thereof |
-
2016
- 2016-08-19 CN CN201620910621.8U patent/CN206038412U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153443A (en) * | 2016-08-19 | 2016-11-23 | 上海市政工程设计研究总院（集团）有限公司 | A kind of loading counter weight device and loading method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |