CN208223762U - A kind of bridge structure object static force loading device - Google Patents

A kind of bridge structure object static force loading device Download PDF

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Publication number
CN208223762U
CN208223762U CN201820584694.1U CN201820584694U CN208223762U CN 208223762 U CN208223762 U CN 208223762U CN 201820584694 U CN201820584694 U CN 201820584694U CN 208223762 U CN208223762 U CN 208223762U
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CN
China
Prior art keywords
reaction beam
bridge structure
structure object
loading device
force loading
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820584694.1U
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Chinese (zh)
Inventor
李源
贺拴海
虞子楠
胡文亮
袁浩允
孙凯
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Changan University
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Changan University
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Publication date
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Priority to CN201820584694.1U priority Critical patent/CN208223762U/en
Application granted granted Critical
Publication of CN208223762U publication Critical patent/CN208223762U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of bridge structure object static force loading devices, including the crossbeam placed on bridge structure object, jack is equipped with the direction perpendicular to horizontal plane on crossbeam, dynamometry portion is installed above jack, the direction that horizontal plane is parallel in the dynamometry portion is equipped with reaction beam, counterweight part there are two being symmetrical arranged in the two sides of the reaction beam, multiple clump weights are provided in the counterweight part, Newton's third law is utilized in the utility model, so that the unconventional loading force in certain experiments is achieved, it is convenient to obtain with required material, it is easy to operate, feature easy for installation.

Description

A kind of bridge structure object static force loading device
Technical field
The utility model relates to a kind of static force loading devices, and in particular to a kind of bridge structure object static force loading device.
Background technique
Bridge span structure in bridge is across the works of the obstacles such as river, mountain valley or All other routes, bridge structure object packet Include floorings, bridge floor beam and the structural elements such as crossbeam for supporting them, encircle, suspension cable, act on the pedestrian that is subject on bridge and Vehicle.
In recent years, in order to which the stress performance to more bridge complex structures carries out more in-depth study, scene load examination It tests also more and more.To the On-site Loading Test of Rc of bridge structure, multiple and different operating conditions can be carried out to the same model Simulation test.
Higher for precision of certain simulation tests required by it, the model of use is differed with actual beam (pier) size Less, therefore certain unconventional operating conditions of simulation test, required loading force is larger, and component cannot be using conventional load side Formula, or effect required by corresponding operating condition is not achieved using conventional loading method, currently available technology adds in progress static(al) When carrying test, since required loading force is larger, cause the volume of dead load excessive, is stacked on tested bridge structure object Insufficient space prevents actual tests from the requirement progress according to scheme, leads to final test result and be actually deviated.
Summary of the invention
The purpose of this utility model is to provide a kind of bridge structure object static force loading devices, to solve in the prior art Required load static(al) is larger, the requirement of operating condition is unable to reach by the way of routinely loading static(al), so that test result is inaccurate The problems such as.
In order to realize above-mentioned task, the utility model uses following technical scheme:
A kind of bridge structure object static force loading device, including the crossbeam placed on the works for be loaded static(al), in institute Jack is equipped with the direction perpendicular to horizontal plane on the crossbeam stated, dynamometry portion is installed above the jack, described Dynamometry portion on be parallel to the direction of horizontal plane reaction beam be installed, be symmetrical arranged that there are two counterweights in the two sides of the reaction beam Portion is provided with multiple clump weights in the counterweight part.
Further, two counterweight parts are mounted on the lower section of the reaction beam.
Further, the total weight of the clump weight in two counterweight parts is identical.
Further, the counterweight part includes multiple with the vertically disposed sunpender of reaction beam, the top of the sunpender with The reaction beam connection, the bottom end of the sunpender are connected with bearing beam, and the clump weight is placed in the top of the bearing beam.
Further, steel plate is additionally provided between the crossbeam and the works for being loaded static(al).
Further, be provided with the compression column vertical with the reaction beam on the top surface of the reaction beam, it is described by It presses and is connected with multiple inclined support bars between the top of column and the top surface of the reaction beam, multiple described inclined support bar one end exist It is arranged on the top surface of the reaction beam along the length direction of reaction beam.
Further, the compression column is mounted on the middle part of the counter-force top surface of the beam.
The utility model has following technical characterstic compared with prior art:
The dead load above bridge structure object will be loaded on originally to be adjusted to be loaded into the two sides of bridge structure object, is passed through With Newton's third law, so that the unconventional loading force in certain experiments is achieved, and this reaction frame is with required It is convenient that material obtains, easy to operate, easy for installation.
Detailed description of the invention
Fig. 1 is the main view of static force loading device provided by the utility model;
Fig. 2 is the left view of static force loading device provided by the utility model.
Figure label represent: 1- crossbeam, 2- jack, 3- dynamometry portion, 4- reaction beam, 5- counterweight part, 6- steel plate, 7- by Press column, 8- inclined support bar, 51- clump weight, 52- sunpender, 53- bearing beam.
Specific embodiment
In compliance with the above technical solution, as shown in Figs. 1-2, the utility model discloses a kind of bridge structure object static loading dresses It sets, including the crossbeam 1 placed on bridge structure object, is equipped with thousand on the crossbeam 1 with the direction perpendicular to horizontal plane Jin pushes up 2, is equipped with dynamometry portion 3 above the jack 2, the direction that horizontal plane is parallel in the dynamometry portion 3 is equipped with Reaction beam 4 is symmetrical arranged there are two counterweight part 5 in the two sides of the reaction beam 4, is provided in the counterweight part 5 multiple Clump weight 51.
It is main when carrying out static loading test to bridge structure object in the technical solution that the utility model is protected Object includes floorings, and bridge floor beam, the main path that static(al) is loaded for bridge structure object is exactly loading test, and this method is will be quiet It is existing at present so as to the static strain, Static Correction and crack etc. for testing out structure only on the designated position of load action and bridge Technology, since required loading force is larger, causes the volume of dead load excessive when carrying out static loading test, what is be tested Insufficient space is stacked on bridge structure object.
As shown in Figure 1, 2, the utility model provides a kind of bridge structure object static force loading device, the crossbeam in the device 1 is mounted on the works of tested bridge, contacts with tested bridge structure object, conducts what entire static force loading device provided Loading force.It is also equipped with the jack 2 for adjusting loading force in the top of crossbeam 1, is equipped with and is used in the top of jack 2 The dynamometry portion 3 for obtaining loading force numerical value, is equipped with reaction beam 4 on the top in dynamometry portion 3.The present apparatus by be provided with reaction beam 4, It is symmetrically arranged in the two sides of reaction beam 4 for providing the counterweight part 5 of dead load.In addition, clump weight 51 in counterweight part 5 Quantity, single volume can be adjusted according to the size of required loading force.
Wherein, the section of reaction beam 4 is I-shaped, and clump weight 51 can be the structures such as counterweight beam, weight concrete block, In the present embodiment, using counterweight beam as clump weight 51.
Dynamometry portion 3 can be the devices such as pressure sensor, pressure tester, as a preferred embodiment, dynamometry Portion 3 is pressure sensor.
In addition, crossbeam 1, reaction beam 2, the counterweight part 5 in the present apparatus are firm metal material, it is as one preferred Embodiment selects steel material.
When static loading test carries out, of clump weight 51 in counterweight part 5 is adjusted according to the size of required loading force Number, provides downward gravity for the both ends of reaction beam 4, the height that jack 2 rises is adjusted at this time, in Newton's third law Under effect, jack 2 is received by 4 bring pressure of reaction beam, pressure value at this time can be then read from dynamometry portion 3, together Sample, the crossbeam 1 positioned at 2 lower section of jack is also by the 4 bring pressure of reaction beam conducted by jack 2, so that tested Bridge structure object receive uniform pressure, to complete to test.
Device provided by the utility model will be stacked at originally by being symmetrical arranged counterweight part in the two sides of reaction beam 4 Dead load above bridge structure object is adjusted to the two sides of bridge structure object, is solved originally since dead load volume is larger The problem of insufficient space is stacked above bridge structure object.
Optionally, two counterweight parts 5 are mounted on the lower section of the reaction beam 4.
Dead load is loaded when for convenience of engineering test, counterweight part 5 is arranged in the lower section of reaction beam 4.
Optionally, the total weight of the clump weight 51 in two counterweight parts 5 is identical.
For guarantee static force loading device can be stable work, the total weight of the clump weight 51 of two counterweight parts 5 is identical, So that whole device keeps equilibrium state.
Optionally, the counterweight part 5 includes multiple with the vertically disposed sunpender 52 of reaction beam 4, the top of sunpender 52 with The reaction beam 4 connects, and is connected with bearing beam 53 in the bottom end of sunpender 52, the clump weight 51 is placed in the bearing beam 53 Top.
As shown in Figure 1, 2, counterweight part 5 include bearing beam 53 and connect bearing beam 53 and reaction beam 4 sunpender 52, bearing beam 53 with Reaction beam 4 is arranged in parallel, and the static(al) on bearing beam 53 according to demand is placed with multiple clump weights 51.The shape of bearing beam 53 can be Triangle, rectangle, I-shaped etc., as a preferred embodiment, bearing beam 53 is I-shaped.
To enable counterweight part 5 to stablize, firmly be mounted on reaction beam 4, the quantity of sunpender 52 can according to demand more Change, in the present embodiment, as shown in Figure 1, being provided with 3 sunpenders 52 connects reaction beam 4 and bearing beam 53, three sunpenders 52 are formed Triangle provides stable pulling force for bearing beam 53, guarantees that bearing beam 53 will not topple over.
Optionally, steel plate 6 is additionally provided between the crossbeam 1 and the works for being loaded static(al).
As shown in Figure 1, the progress in order to cooperate static loading test, is provided with steel plate 6 in the lower section of crossbeam 1, by steel plate 6 It is placed on the load(ing) point of bridge structure object and is tested, with the accuracy of guarantee test result.
Optionally, be provided with the compression column 7 vertical with the reaction beam 4 on the top surface of the reaction beam 4, it is described by It presses and is connected with multiple inclined support bars 8, multiple inclined support bars 8 one between the top of column 7 and the top surface of the reaction beam 4 It holds and is arranged on the top surface of the reaction beam 4 along the length direction of reaction beam 4.
As shown in Figure 1, keeping firm to guarantee the reaction beam 4 in static force loading device when by biggish loading force Without being broken, the top of reaction beam 4 is provided with upper pull-up structure, so that the gravity that 4 two sides of reaction beam are subject to be offset.
Specifically, upper pull-up structure includes the compression column 7 being arranged on 4 top surface of reaction beam, the vertical installation of compression column 7 On the top surface of reaction beam 4, multiple inclined support bars 8 are installed between the top of compression column 7 and the top surface of reaction beam 4, tiltedly One end that support rod 8 is connect with reaction beam 4 is arranged in a linear on reaction beam 4, that is to say, that multiple inclined support bars 8 are in counter-force Setting is spaced on the length direction of beam 4.
It is attached by the way of welding between compression column 7 and inclined support bar 8, compression column 7 and inclined support bar 8 Material can be the hard rigid materials such as steel, iron, and in the present embodiment, the material of compression column 7 and inclined support bar 8 is steel.
Optionally, the compression column 7 is mounted on the middle part of 4 top surface of reaction beam.
For the stability for guaranteeing upper pull-up structure, compression column 7 is mounted on to the middle part of 4 top surface of reaction beam, respectively instead 4 two sides bring gravity of power beam.
Carrying out model test using static force loading device provided by the utility model can refer to following steps:
Step 1 according to each cross dimensions of reduced scale computation model of bridge and makes bridge model;
Step 2, production or the above each accessory of preparation;
Step 3 determines the loading Position for being loaded works, steel plate 6 is placed on load(ing) point, adjusts jack 2 It can carry out test load.

Claims (7)

1. a kind of bridge structure object static force loading device, the device includes the cross placed on the works for be loaded static(al) Beam (1) is equipped with jack (2) on the crossbeam (1) with the direction perpendicular to horizontal plane, above the jack (2) Dynamometry portion (3) are installed, the direction that horizontal plane is parallel in the dynamometry portion (3) is equipped with reaction beam (4), and feature exists In being symmetrical arranged in the two sides of the reaction beam (4) there are two counterweight part (5), be provided in the counterweight part (5) multiple Clump weight (51).
2. bridge structure object static force loading device as described in claim 1, which is characterized in that two counterweight parts (5) It is mounted on the lower section of the reaction beam (4).
3. bridge structure object static force loading device as described in claim 1, which is characterized in that two counterweight parts (5) In clump weight (51) total weight it is identical.
4. bridge structure object static force loading device as described in claim 1, which is characterized in that the counterweight part (5) includes Multiple and reaction beam (4) vertically disposed sunpender (52), the top of the sunpender (52) are connect with the reaction beam (4), institute The bottom end for stating sunpender (52) is connected with bearing beam (53), and the clump weight (51) is placed in the top of the bearing beam (53).
5. bridge structure object static force loading device as described in claim 1, which is characterized in that the crossbeam (1) with added It carries and is additionally provided with steel plate (6) between the works of static(al).
6. bridge structure object static force loading device as claimed in claim 2, which is characterized in that on the top of the reaction beam (4) The compression column (7) vertical with the reaction beam (4), the top of the compression column (7) and the counter-force are provided on face It is connected between the top surface of beam (4) multiple inclined support bars (8), multiple described inclined support bar (8) one end are in the reaction beam (4) It is arranged on top surface along the length direction of reaction beam (4).
7. bridge structure object static force loading device as claimed in claim 6, which is characterized in that compression column (7) peace Mounted in the middle part of the reaction beam (4) top surface.
CN201820584694.1U 2018-04-23 2018-04-23 A kind of bridge structure object static force loading device Expired - Fee Related CN208223762U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820584694.1U CN208223762U (en) 2018-04-23 2018-04-23 A kind of bridge structure object static force loading device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820584694.1U CN208223762U (en) 2018-04-23 2018-04-23 A kind of bridge structure object static force loading device

Publications (1)

Publication Number Publication Date
CN208223762U true CN208223762U (en) 2018-12-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111562122A (en) * 2020-05-07 2020-08-21 汪小琴 Model mechanics simulation detection device for bridge structure design and detection method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111562122A (en) * 2020-05-07 2020-08-21 汪小琴 Model mechanics simulation detection device for bridge structure design and detection method thereof
CN111562122B (en) * 2020-05-07 2022-05-06 中铁武汉大桥工程咨询监理有限公司 Model mechanics simulation detection device for bridge structure design and detection method thereof

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20181211

Termination date: 20200423