CN206002291U - A kind of oriented sliding bearing for structural test - Google Patents
A kind of oriented sliding bearing for structural test Download PDFInfo
- Publication number
- CN206002291U CN206002291U CN201620794160.2U CN201620794160U CN206002291U CN 206002291 U CN206002291 U CN 206002291U CN 201620794160 U CN201620794160 U CN 201620794160U CN 206002291 U CN206002291 U CN 206002291U
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- China
- Prior art keywords
- planker
- fixed mount
- sliding bearing
- slip
- oriented sliding
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Abstract
The utility model discloses a kind of oriented sliding bearing for structural test, the oriented sliding bearing includes the first door frame, second door frame and the first fixed mount being separately fixed on the first door frame and the second door frame and the second fixed mount, wherein, first slip planker is respectively arranged between first fixed mount and the second fixed mount from top to bottom, cylindrical connector and the second slip planker, first slip planker and the second slip planker are made up of upper planker and lower planker respectively, and movable connection between upper planker and lower planker, the two ends of cylindrical connector are connected with hydraulic servo actuator and structural test piece respectively.The utility model has assembling speed soon, uniform force in actuator loading procedure, and good stability repeats practicality, with longer service life, and can greatly reduce testing expenses.
Description
Technical field
The utility model belongs to the device for transmitting axial push-pull load for structural test piece in Structural Engineering test, the orientation
Sliding support is mainly used between structural test piece and hydraulic servo actuator.
Background technology
In structural test, hydraulic servo actuator is often used, and hydraulic servo actuator termination basically there exist
Ball pivot (7), when applying axial push-pull power load to structural test piece, unavoidable have loading bias, and now actuator termination is easy to
Rotation is so as to cause test failure, it is therefore necessary to row constraint is entered to hydraulic servo actuator termination, to reach to some structures
Axially loaded scheme required for test specimen.In order to reduce the impact of the friction to result of the test of oriented sliding bearing, inventor couple
Oriented sliding has carried out load test, within its frictional force maintains 0.4KN after tested, and general structure load test load
In more than 200KN, test error requirement can be met completely.
When specifically used, oriented sliding bearing one end is connected by bolt with hydraulic servo actuator termination, orientation
The sliding support other end is connected with one end of structural test piece, and the other end of structural test piece needs counter force wall (6) to enter in some cases
Row is fixed.
When structural test piece is when pressurized, in being loaded due to the impossible fully aligned test specimen in the center of hydraulic servo actuator
The heart, is thus difficult to avoid that loading is eccentric, and loading bias affects less in load very little, once load is very big, and can be in hydraulic pressure
Servo actuator termination produce very big moment of flexure so that actuator termination there is deflection, and then have impact on test continue into
OK.And need two actuator in conventional test and can be only achieved test effect while loading, made using two hydraulic servos
Dynamic device loads high cost first, extremely troublesome when secondly installing, and in loading procedure, make it difficult for two actuator to keep same
Step is loaded.The utility model oriented sliding bearing, compares traditional loading scheme, with low cost, can reduce by 50% cost；Peace
Dress convenient disassembly, installing/dismounting a few hours are just permissible；Error caused by can avoiding that two actuator are asynchronous and loading.
Content of the invention
Load for structural test and require, the purpose of this utility model is that offer is a kind of rational in infrastructure, stable and reliable in work
Oriented sliding bearing.
A kind of oriented sliding bearing for Structural Engineering test, described oriented sliding bearing include the first door frame and the
Two door frames, described oriented sliding bearing also include the first fixed mount and the second fixed mount, described the first fixed mount and second
The two ends of fixed mount are separately fixed on the first door frame and the second door frame, and the first fixed mount is located at the top of the second fixed mount, and
First fixed mount and the second fixed mount in the vertical direction parallel；
First slip planker, cylindricality connection are respectively arranged between first fixed mount and the second fixed mount from top to bottom
Part and the second slip planker, wherein, the first slip planker and the second slip planker are made up of upper planker and lower planker respectively,
Movable connection between the mounting plate and lower planker, the first fixed mount are connected with the upper planker of the first slip planker, and first slides
The lower planker of dynamic planker is connected with the upper surface of cylindrical connector, the lower surface of the cylindrical connector and the second slip planker
Upper planker connection, the second fixed mount are connected with the lower planker of the second slip planker；The two ends of the cylindrical connector respectively with liquid
Pressure servo actuator and structural test piece connection.
Further, the first described slip planker, that the upper surface of the lower planker of the second slip planker is provided with rectangle is recessed
Groove, the upper planker lower surface are provided with the rectangular preiection matched with rectangular recess.
Further, the first described slip planker, the upper surface of the lower planker of the second slip planker are provided with swallow-tail form
Groove, it is raised that the upper planker lower surface is provided with the swallow-tail form matched with dovetail groove.
Further, two side surfaces of the cylindrical connector are respectively arranged with rectangular recess.
Further, first fixed mount and the second fixed mount are made up of two fix bars respectively, and described two
Fix bar is parallel in the horizontal direction.
Further, one end that the cylindrical connector is connected with hydraulic servo actuator is provided with steel plate, and cylindricality connects
One end that part is connected with structural test piece is also equipped with steel plate.
Compared with prior art, the utility model oriented sliding bearing is relative has assembling speed with traditional load mode
Hurry up, uniform force in actuator loading procedure, good stability, practicality is repeated, with longer service life, and can be big
Big minimizing testing expenses.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model oriented sliding bearing；
Fig. 2 is the structural representation of the utility model oriented sliding bearing, and wherein (a) is bearing elevation, and (b) is bearing
Top plan view, (c) are bearing profile；
Fig. 3 is the schematic diagram of structural test piece conventional axial loading scheme；
In figure label is represented：1 first door frame, 2 first fixed mounts, 3 first slip plankers, 4 cylindrical connector,
5 hydraulic servo actuators, 6 counter force walls, 7 actuator ball pivots, 8 structural test piece, 9 reaction frames, 10 second fix
Frame, 11 second slip plankers, 12 second door frames, 13 carriages, 14 rigid loading beams.
Specific embodiment
The utility model is described in further detail with accompanying drawing with reference to embodiments.
As shown in figure 1, the utility model discloses a kind of oriented sliding bearing for Structural Engineering test, orientation cunning
Dynamic bearing includes the first door frame 1, the second door frame 12, the first fixed mount 2 and the second fixed mount 10, and the first fixed mount 2 and second is solid
Determine frame 10 to be made up of two fix bars respectively, and this two fix bars are parallel in the horizontal direction, the two ends to fix bar are carried out
Punching, bolt is separately fixed on the first door frame 1 and the second door frame 12 by the hole that accomplishes fluently.Wherein, the first fixed mount 2 is located at
The top of the second fixed mount 10, and the first fixed mount 2 is parallel with 10 in the vertical direction of the second fixed mount；
First slip planker 3, cylindricality connection is respectively arranged between first fixed mount 2 and the second fixed mount 10 from top to bottom
Part 4 and the second slip planker 11, wherein, the first slip planker 3 and the second slip planker 11 are respectively by upper planker and lower planker group
Become, movable connection between the mounting plate and lower planker, the upper planker of the first fixed mount 2 and the first slip planker 3 passes through 8.8
Level high-strength bolt is fixed, and the lower planker of the first slip planker 3 is solid by 8.8 grades of high-strength bolts with the upper surface of cylindrical connector 4
Fixed connection, is coated with lubricating oil between the upper planker and lower planker of the first slip planker 3 and the second slip planker 11 and is rubbed with reducing
Wipe.The lower surface of the cylindrical connector 4 is connected with the upper planker of the second slip planker 11, and the second fixed mount 10 and second slides
The lower planker connection of planker 11；
The two ends of cylindrical connector 4 are connected with hydraulic servo actuator 5 and structural test piece 8 respectively, in cylindrical connector 4
Two blocks of steel plates are welded in order to preferably connect and hydraulic servo actuator 5, structural test piece 8 between in two ends.
Fix bar in oriented sliding bearing disclosed in the utility model is Q235B steel, and the first slip planker 3, second is slided
Dynamic planker 11 is cast iron, and cylindrical connector 4 adopts Q345 steel.First door frame 1 and the second gathering around using structural experiment room of door frame 12
Some door frames, the door frame not to laboratory during the installation and removal of oriented sliding bearing produce disturbance.Its a size of,
Between first fixed mount 2 and the second fixed mount 10, distance is 350mm, the upper planker of slip planker and lower planker gross thickness 55mm,
First slip planker 3 and 11 width 200mm of the second slip planker, the high 240mm of cylindrical connector 4, width 160mm, thickness 20mm.
When using oriented sliding bearing of the present utility model, first one end of oriented sliding bearing is made with hydraulic servo
Dynamic device 5 is bolted, then will be with bolts with structural test piece 8 for the other end of oriented sliding bearing, finally by test specimen
The other end is fixed and can be carried out load test with counter force wall (6).When structural test piece is loaded, particularly in structural test piece
Due to loading eccentric impact when pressurized, 5 termination of hydraulic servo actuator can produce larger moment of flexure, and huge moment of flexure can make work
Dynamic device ball pivot 7 produces the trend of rotation, if without oriented sliding bearing, this trend will be more and more substantially so as to lead
Test is caused to load failure.This oriented sliding bearing can be due to moving back and forth in loading direction, the displacement quilt in other directions
Dovetail groove is limited, and when loading eccentric, oriented sliding bearing can limit 5 termination ball pivot of hydraulic servo actuator well
Rotation, and ensure that actuator can realize axially loaded and not unstability.The frictional force for oriented sliding bearing being understood by test is very
Low, so can't impact to result of the test in loading procedure, during loading, the power of hydraulic servo actuator 5 acts on fixed
To on the cylindrical connector 4 of sliding support, load is passed in structural test piece 8 by cylindrical connector 4 again, cylindrical connector 4 with
First door frame 1, the second door frame 10 pass through the first fixed mount 2, the second fixed mount 10 and the first slip planker 3, the second slip planker
11 are connected, and the relative part that slides is mounting plate and lower planker, specifically, described the first slip planker, the second slip planker
The upper surface of lower planker be provided with rectangular recess, it is convex that the upper planker lower surface is provided with the rectangle matched with rectangular recess
Rise.Described rectangular recess may also be configured to dovetail groove, and arrange the swallow-tail form projection matched with dovetail groove,
The benefit of this structure is that the slip planker can only produce relative displacement in a direction, and the displacement in other directions is limited, just
Formula generates the utility model oriented sliding bearing around this principle.The oriented sliding bearing is found by analyzing test data
Accurately glibly load can be transmitted, so that test loading is smoothed out.
Optimally, in order to increase the lifting surface area of cylindrical connector 4, two side surfaces of the cylindrical connector are set respectively
It is equipped with rectangular recess.
Inventor is followed using hydraulic servo actuator 5 to the test used for oriented sliding bearing of the present utility model
Ring is loaded, and carrys out controlled loading with displacement, and the data collection of test Loading Control is completed by computer.Can from result of the test
Go out result of the test and meet expection, oriented sliding bearing operates steadily, the frictional force very little which produces is negligible, effectively prevents
The deflection of actuator termination is stopped.Oriented sliding bearing of the present utility model bears the effect of multiple tension and compression Cyclic Loading, has
Stable performance and lighter deadweight, can perform well in Structural Engineering test loading.
Claims (6)
1. a kind of oriented sliding bearing for structural test, described oriented sliding bearing include the first door frame (1) and second
Door frame (12), it is characterised in that described oriented sliding bearing also includes the first fixed mount (2) and the second fixed mount (10), institute
The first fixed mount (2) that states and the two ends of the second fixed mount (10) are separately fixed on the first door frame (1) and the second door frame (12),
First fixed mount (2) is located at the top of the second fixed mount (10), and the first fixed mount (2) and the second fixed mount (10) are in vertically side
Parallel upwards；
First slip planker (3), post are respectively arranged between first fixed mount (2) and the second fixed mount (10) from top to bottom
Shape connector (4) and the second slip planker (11), wherein, the first slip planker (3) and the second slip planker (11) are respectively
It is made up of upper planker and lower planker, movable connection between the upper planker and lower planker, the first fixed mount (2) is slided with first
The upper planker connection of planker (3), the lower planker of the first slip planker (3) are connected with the upper surface of cylindrical connector (4), the post
The lower surface of shape connector (4) is connected with the upper planker of the second slip planker (11), and the second fixed mount (10) slides with second and drags
The lower planker connection of plate (11)；
The two ends of cylindrical connector (4) are connected with hydraulic servo actuator (5) and structural test piece (8) respectively.
2. the oriented sliding bearing of structural test is used for as claimed in claim 1, it is characterised in that the first described slip is dragged
Plate (3), the upper surface of the lower planker of the second slip planker (11) are provided with rectangular recess, the upper planker lower surface be provided with
The rectangular preiection that rectangular recess matches.
3. the oriented sliding bearing of structural test is used for as claimed in claim 2, it is characterised in that the first described slip
Planker (3), the upper surface of the lower planker of the second slip planker (11) are provided with dovetail groove, and the upper planker lower surface is arranged
There is the swallow-tail form matched with dovetail groove raised.
4. the oriented sliding bearing of structural test is used for as claimed in claim 1, it is characterised in that the cylindrical connector
(4) two side surfaces are respectively arranged with rectangular recess.
5. the oriented sliding bearing of structural test is used for as claimed in claim 1, it is characterised in that first fixed mount
(2) and the second fixed mount (10) is made up of two fix bars respectively, and two described fix bars are parallel in the horizontal direction.
6. the oriented sliding bearing of structural test is used for as claimed in claim 1, it is characterised in that the cylindrical connector
(4) one end being connected with hydraulic servo actuator (5) is provided with steel plate, cylindrical connector (4) be connected with structural test piece (8) one
End is also equipped with steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620794160.2U CN206002291U (en) | 2016-07-26 | 2016-07-26 | A kind of oriented sliding bearing for structural test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620794160.2U CN206002291U (en) | 2016-07-26 | 2016-07-26 | A kind of oriented sliding bearing for structural test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206002291U true CN206002291U (en) | 2017-03-08 |
Family
ID=58202223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620794160.2U Expired - Fee Related CN206002291U (en) | 2016-07-26 | 2016-07-26 | A kind of oriented sliding bearing for structural test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206002291U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802224A (en) * | 2017-03-20 | 2017-06-06 | 杭州邦威机电控制工程有限公司 | A kind of modularization electro-hydraulic servo vertical load loading device |
| CN107063665A (en) * | 2017-05-09 | 2017-08-18 | 广西大学 | It is a kind of to limit the experimental rig that out-of-plain failure and guarantee are symmetrically destroyed |
| CN109374271A (en) * | 2018-09-21 | 2019-02-22 | 武汉理工大学 | A kind of loading control method of structural test |
-
2016
- 2016-07-26 CN CN201620794160.2U patent/CN206002291U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802224A (en) * | 2017-03-20 | 2017-06-06 | 杭州邦威机电控制工程有限公司 | A kind of modularization electro-hydraulic servo vertical load loading device |
| CN107063665A (en) * | 2017-05-09 | 2017-08-18 | 广西大学 | It is a kind of to limit the experimental rig that out-of-plain failure and guarantee are symmetrically destroyed |
| CN109374271A (en) * | 2018-09-21 | 2019-02-22 | 武汉理工大学 | A kind of loading control method of structural test |
| CN109374271B (en) * | 2018-09-21 | 2019-10-08 | 武汉理工大学 | A kind of loading control method of structural test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20190726 |