CN203011714U - Dynamic and static load test device for bridge - Google Patents
Dynamic and static load test device for bridge Download PDFInfo
- Publication number
- CN203011714U CN203011714U CN 201220676552 CN201220676552U CN203011714U CN 203011714 U CN203011714 U CN 203011714U CN 201220676552 CN201220676552 CN 201220676552 CN 201220676552 U CN201220676552 U CN 201220676552U CN 203011714 U CN203011714 U CN 203011714U
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- wire
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- bridge
- foil gauge
- strain gauge
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Abstract
The utility model discloses a dynamic and static load test device for a bridge. The dynamic and static load test device for the bridge comprises a signal acquisition device and a strain gauge connected with the signal acquisition device through leads, wherein the leads comprises a first lead connected with the strain gauge and a second lead which is connected with the first lead through a plugging part and is connected with the signal acquisition device. The strain gauge is connected with the first lead, and the strain gauge connected with the first lead is directly bonded below the bridge, so a problem that an operator welds the strain gauge with the lead in order through overhead welding is solved, and the operator can fast accomplish device mounting to improve work efficiency, moreover, lead is divided into two, relative length of the lead is shortened, so the leads are convenient for the operator to fast settle, and the first lead and the second lead are connected through the plugging part to accomplish wire connection among devices, and thereby problems of incorrect information acquisition and missed information acquisition existing in the signal acquisition device caused by relatively long length and complexity of the lead are settled.
Description
Technical field
The utility model relates to the bridge testing technical field, particularly a kind of bridge moving static-load testing device.
Background technology
Along with the development of transportation, the kind of bridge is more and more, such as viaduct, overbridge, urban viaduct etc.Because the situations such as design error, construction is not good enough, the shock of external applied load, overload can produce damage to bridge, at this moment need first bridge to be carried out the inspection of outward appearance disease and structured material detection, again according to testing result, badly broken, the poor bridge of structured material situation are carried out the bridge moving static load test, and then the duty of understanding and analysis bridge, thereby the actual bearer ability of judgement bridge structure.
As shown in Figure 1, traditional bridge moving static-load testing device comprises foil gauge 101, wire 102 and signal picker.Operating personnel first stick on foil gauge 101 on the major control face of bridge bottom successively at the scene, and then operating personnel are welded on an end of wire 102 on foil gauge 101 successively by overhead welding, and the other end is connected on signal picker.Under the effect of specified load, foil gauge 101 induction bridge deformation amounts are sent to signal picker by wire 102 with the data of bridge deformation amount.
In the aforesaid operations process, operating personnel need on-the-spot by overhead welding with wire 102 and foil gauge 101 welding, the welding difficulty is large, and according to the difference of foil gauge 101 positions, needs adjusting operation personnel positions successively, work efficiency is lower.Because the length of wire 102 is long, intricate, and wire 102 is connected with signal picker with foil gauge 101 in operation site temporarily, be easy to wire 102 to occur not corresponding with the tie point of signal picker with tie point and the wire 102 of foil gauge 101, wrong situation of adopting occurs; On the other hand, because the bridge apparatus for lower wind is larger, the weight of wire 102 itself in addition, and operating personnel realize that by overhead welding wire 102 is connected with foil gauge 101, the welding quality at the pad place of wire 102 and foil gauge 101 is lower, and the pad place is easy to disconnect, and the impact test is normally carried out.Signal picker is easy to occur mistake and adopts, leaks the situation such as adopt, and has a strong impact on the collection of the test figure of bridge deformation amount.
Therefore, how gathering quickly and accurately the test figure of bridge deformation amount, is the technical matters that those skilled in the art need to be resolved hurrily.
The utility model content
The purpose of this utility model is to provide a kind of bridge moving static-load testing device, can gather quickly and accurately the test figure of bridge deformation amount.
For achieving the above object, the utility model provides a kind of bridge moving static-load testing device, comprise signal picker and the foil gauge that is connected with described signal picker by wire, described wire comprises the first wire that is connected with described foil gauge and the second wire that is connected and is connected with described signal picker by plug connector and described the first wire.
Preferably, also comprise the hub that is connected with described the second wire and be connected to described hub and described signal picker between privates.
Preferably, be connected with plug connector between described hub and described the second wire.
Preferably, be connected with plug connector between described hub and described privates.
Preferably, be connected with plug connector between described privates and described signal picker.
Preferably, described privates is the straight wire of high frequency.
In technique scheme, the bridge moving static-load testing device that the utility model provides, comprise foil gauge and the signal picker that is connected with foil gauge by wire, wherein wire comprises the first wire of being connected with foil gauge and the second wire that is connected with signal picker, is connected by plug connector between the first wire and the second wire.When testing, will be connected with successively the strain gauge adhesion of the first wire on the major control face of bridge bottom, then the first wire is connected by plug connector with the second wire.
By foregoing description as can be known, with respect to the above-mentioned background technology, in the bridge moving static-load testing device that the utility model provides, foil gauge is connected with the first wire, directly will be connected with the strain gauge adhesion of the first wire below bridge, solved operating personnel and passed through overhead welding successively with the problem of foil gauge and wire bonds, the operation energy personnel installation of finishing device has enough fast improved work efficiency; On the other hand, wire is divided into two, the relative length of wire shortens, the fast combing wire of convenient operation personnel, the first wire is connected by plug connector with the second wire, line between can finishing device is avoided occurring signal picker that the reasons such as length due to wire is long, intricate cause and mistake occurred and adopt, leak the situation such as adopt, and has improved measuring accuracy.
Therefore, the bridge moving static-load testing device that the utility model provides can gather the test figure of bridge deformation amount quickly and accurately.
Description of drawings
Fig. 1 is foil gauge in traditional bridge moving static-load testing device and the structural representation of wire;
The structural representation of foil gauge, the first wire and plug connector in the bridge moving static-load testing device that Fig. 2 provides for the utility model embodiment;
The structural representation of the bridge moving static-load testing device that Fig. 3 provides for the utility model embodiment.
Wherein in Fig. 1-3:
101-foil gauge, 102-wire;
1-foil gauge, 2-the first wire, 3-the second wire, 4-hub, 5-signal picker, 6-privates, 7-plug connector.
Embodiment
Core of the present utility model is to provide a kind of bridge moving static-load testing device, can gather quickly and accurately the test figure of bridge deformation amount.
In order to make those skilled in the art understand better the technical solution of the utility model, the utility model is described in further detail below in conjunction with drawings and embodiments.
Please refer to Fig. 1, in a kind of embodiment, the bridge moving static-load testing device that the utility model provides comprises foil gauge 1 and the signal picker 5 that is connected with foil gauge 1 by wire, wherein wire comprises between the first wire 2 that is connected with foil gauge 1 and the second wire 3, the first wires 2 that are connected with signal picker 5 and the second wire 3 and being connected by plug connector 7.
When testing, the foil gauge 1 that will be connected with successively the first wire 2 sticks on the major control face of bridge bottom, then the first wire 2 is connected by plug connector 7 with the second wire 3, foil gauge 1 finally is connected with signal picker 5 by the first wire 2, plug connector 7 and the second wire 3.
By foregoing description as can be known, foil gauge 1 is connected with the first wire 2, when carrying out the bridge moving static test, the foil gauge 1 that directly will be connected with the first wire 2 sticks on major control face below bridge, solved the problem of the wire that needs operating personnel first foil gauge 1 to be sticked on below bridge and then be connected with foil gauge 1 by welding in the overhead position successively, operating personnel are the installment work of finishing device fast, has improved work efficiency, has reduced simultaneously labour intensity; On the other hand, wire comprises the first wire 2 and the second wire 3, the relative length of wire shortens, comparatively quick during operating personnel's combing wire, be connected by plug connector 7 between the first wire 2 and the second wire 3 simultaneously, line between can finishing device is avoided occurring adopting because mistake appears in signal picker that the reasons such as conductor length is long, intricate cause, is leaked the situation such as adopt, and can gather exactly the test figure of bridge deformation amount.
Further, be connected with hub 4 between the second wire 3 and signal picker 5, wherein be connected by privates 6 between hub 4 and signal picker 5.Owing to adding hub 4 in test unit, and is connected by privates 6 between hub 4 and signal picker 5, the one-piece construction of test unit compactness comparatively, be convenient to concentrated arrangement wire like this.
Further, be connected with plug connector between the second wire 3 and hub 4.When the joint test device, the second wire 3 is connected with hub 4 by plug connector, be convenient to the installation and removal of test unit integral body, be easy to carry, and can select according to the number of foil gauge in test unit 1 number of the second wire 3, avoid occurring the complicated situation of wire, be convenient to the quick combing of wire.
Preferably, be connected with plug connector between hub 4 and privates 6.When the joint test device, hub 4 is connected with privates 6 by plug connector, more is convenient to the installation and removal of test unit integral body.
More preferably, be connected with plug connector between privates 6 and signal picker 5.When the joint test device, privates 6 is connected with signal picker 5 by plug connector, more be conducive to the installation and removal of test unit integral body, and can select the number of privates 6 according to the number of foil gauge in test unit 1, be convenient to the quick combing of wire.
In order to gather exactly the test figure of bridge deformation amount, privates 6 is the straight wire of high frequency.When testing, with tying up in the straight line set of high frequency, be easy to carry simultaneously and reuse.
Above bridge moving static-load testing device provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (6)
1. bridge moving static-load testing device, comprise signal picker (5) and the foil gauge (1) that is connected with described signal picker (5) by wire, it is characterized in that, described wire comprises the first wire (2) that is connected with described foil gauge (1) and the second wire (3) that is connected and is connected with described signal picker (5) with described the first wire (2) by plug connector (7).
2. bridge moving static-load testing device as claimed in claim 1, is characterized in that, also comprise the hub (4) that is connected with described the second wire (3) and be connected to described hub (4) and described signal picker (5) between privates (6).
3. bridge moving static-load testing device as claimed in claim 2, is characterized in that, is connected with plug connector between described hub (4) and described the second wire (3).
4. bridge moving static-load testing device as claimed in claim 2, is characterized in that, is connected with plug connector between described hub (4) and described privates (6).
5. bridge moving static-load testing device as claimed in claim 2, is characterized in that, is connected with plug connector between described privates (6) and described signal picker (5).
6. bridge moving static-load testing device as described in any one in claim 2-5, is characterized in that, described privates (6) is the straight wire of high frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676552 CN203011714U (en) | 2012-12-10 | 2012-12-10 | Dynamic and static load test device for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676552 CN203011714U (en) | 2012-12-10 | 2012-12-10 | Dynamic and static load test device for bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203011714U true CN203011714U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220676552 Expired - Lifetime CN203011714U (en) | 2012-12-10 | 2012-12-10 | Dynamic and static load test device for bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203011714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987500A (en) * | 2019-12-17 | 2020-04-10 | 中交路桥建设有限公司 | Bridge static load test method |
-
2012
- 2012-12-10 CN CN 201220676552 patent/CN203011714U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987500A (en) * | 2019-12-17 | 2020-04-10 | 中交路桥建设有限公司 | Bridge static load test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
|
| CX01 | Expiry of patent term |