CN208476678U - The assembly type bias loading device of eccentricity can arbitrarily be adjusted - Google Patents

Abstract

The utility model relates to the assembly type bias loading devices that one kind can arbitrarily adjust eccentricity, it wherein can arbitrarily adjust the assembly type bias loading device of eccentricity, it is characterized by comprising load end plates and edge of a knife hinge, elongated cutter groove is offered in the middle part of the load end plate for placing edge of a knife hinge, the multiple rows of oblong screw hole passed through with sharp bolt is being offered perpendicular to cutter groove direction, end plate will be loaded by bolt on multiple rows of oblong screw hole to connect with test model upper end, by adjust position of the bolt in oblong screw hole for realizing random eccentric away from bias load.The utility model structure is simple, easy to operate, suitability it is strong, it can be achieved that random eccentric away from bias load, and loading unit plate can be assembled according to the big freedom in minor affairs of test model, loading unit plate is reusable, economical and efficient, is suitable for promoting.

Description

The assembly type bias loading device of eccentricity can arbitrarily be adjusted

Technical field:

The utility model relates to the assembly type bias loading devices that one kind can arbitrarily adjust eccentricity, belong to engineering structure examination Test technical field of research.

Background technique:

Structure static test is structural clays most basic in engineering structure test, is mainly used for model configuration receiving Working condition under dead load effect.It can be observed with research engineering structure or component under dead weight by slow test Intensity, rigidity and stress, deformation distribution situation, be verify structural strength and static analysis correctness important means.Companion With China's rapid development of economy, the very fast progress of science and technology, various new materials, new construction, new process are continued to bring out, and are tied Structure static test be research and development calculate analysis and design theory important means, and solve the scientific research of engineering structure field with Indispensable means when a new problem arose in design, engineering structure scientific research and in terms of play important work With.

Pier stud is building construction, all kinds of bridges as the main supporting member for being used to carry superstructure in engineering structure The important component of the engineerings such as beam, Compressive Performance are directly related to the bearing capacity of structure and using safe, and pier stud Pressurized tests are to study the main method of pier stud intensity and service performance.However, currently used pier stud pressurized tests device exists There is test model size adaptability in use process, and single, eccentricity loads the problems such as series is limited:

On the one hand, it in order to guarantee the uniform stressed of pier stud test model in loading procedure, local failure not occur, often needs It wants the load plate that rigidity is larger, size is roomy to be connected with test model, and completely adds in testing at present commonly using one piece Support plate, and the screw hole spacing in load plate is fixed, not only due to the heaviness of load plate itself cause it is inconvenient for use, and often only Suitable for a kind of test model of size, the model test of other sizes can not be suitable for, cause load plate that can not reuse, Utilization rate is low；

On the other hand, few to meet if usually opening up arterial highway cutter groove in load plate when carrying out bias load test The loading condition demand of several eccentricities of number.Since cutter groove size needs to adapt to the placement and load of knife hinge, to carry out Under different eccentricities bias load, or by open up cutter groove quantity become it is more, but the overall stiffness of load plate can under Drop influences bias test load effect, or several pieces of the processing load plates using different eccentricity cutter grooves, in turn results in and add The utilization rate of support plate is low, and experimentation cost is higher.

Therefore, to improve the test efficiency of research pier stud Compressive Performance, reducing experimentation cost, seek one kind not by reduced scale mould Molded dimension and eccentricity limitation, assembly type bias loading device that is reusable, can arbitrarily adjusting eccentricity and its work side Method is very necessary.

Summary of the invention:

The purpose of this utility model is place against the above deficiency, provides a kind of assembly type that can arbitrarily adjust eccentricity Bias loading device.

The utility model solves scheme used by technical problem:

The utility model can arbitrarily adjust the assembly type bias loading device of eccentricity, it is characterised in that: including loading end Plate and the edge of a knife are cut with scissors, and elongated cutter groove is offered in the middle part of the load end plate for placing edge of a knife hinge, perpendicular to cutter groove direction The multiple rows of oblong screw hole passed through with sharp bolt is offered, end plate and test will be loaded by bolt on multiple rows of oblong screw hole The connection of model upper end, by adjust position of the bolt in oblong screw hole for realizing random eccentric away from bias load.

Further, above-mentioned load end plate is formed by the adjacent assembly of the identical loading unit plate of size, the loading unit The both sides of plate are respectively provided with there are two joint lug plate, and the joint lug plate of adjacent load cell board is mutually close to the joint lug plate On offer the screw hole passed through with sharp bolt, convenient for the joint lug plate of adjacent load cell board being connected and assembling shape by bolt End plate is suitably loaded at size.

It further, further include that can apply stressed pressure charging apparatus, the pressure charging apparatus includes for installing Test model mounting platform is used to install the lower platen that the edge of a knife is cut with scissors with test model mounting platform top is located at.

Further, above-mentioned lower platen is bolted down by hydraulic cylinder or pneumatic cylinder driving lifting, the edge of a knife hinge Pressing plate.

Further, the above-mentioned edge of a knife cuts with scissors the push type broach matched with cutter groove for including link block and being located at link block lower surface, Lower platen is bolted in the link block.

Further, the upper end of above-mentioned test model has plate, has bolt hole on the plate, is used for and installation It is connected in oblong screw hole inner bolt.

Compared with prior art, easy to operate the utility model has the following beneficial effects: structure is simple, suitability is strong, Can assemble loading unit plate before test according to the big freedom in minor affairs of test model, when test can realize random eccentric away from bias add It carries, and loading unit plate is reusable, economical and efficient, is suitable for promoting.

Detailed description of the invention:

The utility model patent is further illustrated with reference to the accompanying drawing.

Fig. 1 is that the bias test in the utility model embodiment loads elevational schematic view；

Fig. 2 is the loading unit plate main view in the utility model embodiment；

Fig. 3 is Fig. 2 left view；

Fig. 4 is Fig. 2 top view；

Fig. 5 is the loading unit plate assembling schematic diagram in the utility model embodiment；

In figure:

1- edge of a knife hinge, 2- load end plate, and 3- joint lug plate, 4- otic placode screw hole, 5- load end plate is connect with test specimen uses bolt, 6- test model, 7- test model mounting platform, 8- loading unit plate；9- cutter groove, 10- oblong screw hole, the connection of 11- otic placode are used Bolt, 12- pressure charging apparatus, 13- lower platen, 14- plate, 101- link block, 102- push type broach, A- test model center line, B- loads center line.

Specific embodiment:

With reference to the accompanying drawings and detailed description to the further details of explanation of the utility model.

As shown in Fig. 1 ~ Fig. 5, the assembly type bias loading device that the utility model can arbitrarily adjust eccentricity includes the edge of a knife Hinge 1 and load end plate 2；The middle part of the load end plate 2 offers elongated cutter groove 9 for placing edge of a knife hinge 1, perpendicular to knife Slot direction offers the multiple rows of oblong screw hole 10 passed through with sharp bolt, will be loaded on multiple rows of oblong screw hole 10 by bolt End plate is connect with 6 upper end of test model, by adjust position of the bolt in oblong screw hole for realizing random eccentric away from Bias load.

In the present embodiment, the load end plate 2 is formed by the adjacent assembly of the identical loading unit plate 8 of size, described to add The two sides of carrier unit plate 8 are provided with joint lug plate 3, and the joint lug plate 3 of adjacent load cell board is mutually close to the joint lug plate The screw hole 4 passed through with sharp bolt 11 is offered on 3, convenient for connecting the joint lug plate of adjacent load cell board simultaneously by bolt 11 Assembling forms size and suitably loads end plate 2.

It in the present embodiment, further include that can apply stressed loading equipemtn 12, the pressure charging apparatus 12 includes being used for Installation test model mounting platform 7 is used to install the lower platen 13 that the edge of a knife is cut with scissors with test model mounting platform top is located at, and pushes Lower platen 13 can be bolted by hydraulic cylinder or pneumatic cylinder driving lifting, the edge of a knife hinge 2 in plate.Wherein edge of a knife hinge includes Link block 101 and the push type broach 102 matched with cutter groove for being located at link block lower surface, the link block 101 are bolted Lower platen 13.

In order to which function and effect are good, active force is stablized, and the upper end of the test model has plate 14, has on the plate Have bolt hole, for be mounted on oblong screw hole inner bolt and connect, which can make to load the effect of end plate 2 to test model Power is more uniform, and stability is high.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (6)

1. the assembly type bias loading device that one kind can arbitrarily adjust eccentricity, it is characterised in that: including load end plate and the edge of a knife Hinge offers elongated cutter groove in the middle part of the load end plate and cuts with scissors for placing the edge of a knife, perpendicular to cutter groove direction offer with Multiple rows of oblong screw hole that sharp bolt passes through will load end plate and test model upper end by bolt on multiple rows of oblong screw hole Connection, by adjust position of the bolt in oblong screw hole for realizing random eccentric away from bias load.

2. the assembly type bias loading device according to claim 1 that can arbitrarily adjust eccentricity, it is characterised in that: described Load end plate is formed by the adjacent assembly of the identical loading unit plate of size, there are two the both sides of the loading unit plate are respectively provided with Joint lug plate, the joint lug plate of adjacent load cell board on the joint lug plate mutually close to offering and passed through with sharp bolt Screw hole to form size and suitably load end plate convenient for connecting and assembling by the joint lug plate of adjacent load cell board by bolt.

3. the assembly type bias loading device according to claim 1 or 2 that can arbitrarily adjust eccentricity, it is characterised in that: Further include that can apply stressed pressure charging apparatus, the pressure charging apparatus include for install test model mounting platform and It is located above test model mounting platform for installing the lower platen of edge of a knife hinge.

4. the assembly type bias loading device according to claim 3 that can arbitrarily adjust eccentricity, it is characterised in that: described Lower platen is bolted by hydraulic cylinder or pneumatic cylinder driving lifting, the edge of a knife hinge in lower platen.

5. the assembly type bias loading device according to claim 4 that can arbitrarily adjust eccentricity, it is characterised in that: described The edge of a knife cuts with scissors the push type broach matched with cutter groove for including link block and being located at link block lower surface, and the link block is bolted Lower platen.

6. the assembly type bias loading device according to claim 1 that can arbitrarily adjust eccentricity, it is characterised in that: described The upper end of test model has plate, has bolt hole on the plate, for be mounted on oblong screw hole inner bolt and connect It connects.