CN206573386U - Angle steel X-braced panels stability bearing capacity experimental rig - Google Patents
Angle steel X-braced panels stability bearing capacity experimental rig Download PDFInfo
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- CN206573386U CN206573386U CN201720062084.0U CN201720062084U CN206573386U CN 206573386 U CN206573386 U CN 206573386U CN 201720062084 U CN201720062084 U CN 201720062084U CN 206573386 U CN206573386 U CN 206573386U
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- 230000007246 mechanism Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
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- 238000012360 testing method Methods 0.000 abstract description 8
- 230000006872 improvement Effects 0.000 description 14
- 238000002474 experimental method Methods 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
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Abstract
A kind of angle steel X-braced panels stability bearing capacity experimental rig, including counter force wall (1) and reaction frame, reaction frame and counter force wall (1) are both secured on level ground (22), reaction frame includes column (7) and the crossbeam (15) being fixed on column (7), the counter force wall (1) fixes a servo actuator (3) on the side relative with reaction frame, the servo actuator (3) is horizontally disposed with, also include a jack (11), the jack (11) is vertically placed on level ground (22), crossbeam (15), column (7), there is the fixing device of oblique material on counter force wall (1) and jack (11), four terminations of oblique material can be fixed；This angle steel X-braced panels stability bearing capacity experimental rig carries out force test by servo actuator (3) and jack (11) to angle steel X-braced panels, the bearing capacity numerical value of oblique material can quickly be determined, strong applicability, easy to detect, numerical value is accurate.
Description
Technical field
The utility model is related to a kind of test device for multifunctional, and in particular to a kind of to angle steel X-braced panels stability bearing capacity
The device tested.
Background technology
To realize that bearing the freestanding steel structure that a certain aerial load, communication or other functions set up is referred to as iron
Tower, iron tower of power transmission line abbreviation electric power pylon or electric power tower, are the space truss structures for supporting, carrying transmission line of electricity
Steel tower, generally includes tower head, tower body and tower leg three parts, is usually made using angle steel, steel plate or steel pipe part, using spiral shell
Tether and connect and be welded to connect combination and be formed by connecting.
Angle steel X-braced panels are the conventional parts of electric power pylon, are also to improve electric power pylon bearing capacity, anti-deformation
Important component, the factor such as rod end bias, rotational restraint makes X-braced panels compression member stable calculation more complicated, but existing
's《Overhead power transmission line pole tower structure-design technique is provided》(DL/T5154-2012) it is reduced to axial compression rod member meter
Calculate, data discrete is larger, and presently used theory is still built upon on the basis of finite element modelling, theory analysis, lack
Corresponding test basis, and it is domestic still without the experimental rig for exclusively carrying out X-braced panels bearing capacity at present.
Therefore, it is badly in need of a kind of simple structure of utility model, easy for installation, the iron tower of power transmission line angle steel of highly versatile intersects
Oblique material stability bearing capacity experimental rig.
The content of the invention
In view of the above-mentioned problems of the prior art, the utility model provides a kind of angle steel X-braced panels stability bearing capacity examination
Experiment device, its is simple in construction, can be easily installed, while also having stronger versatility.
To achieve these goals, angle steel X-braced panels stability bearing capacity experimental rig of the present utility model includes counter-force
Wall, reaction frame and electric control gear, reaction frame and counter force wall are both secured on level ground；
Described reaction frame includes the crossbeam that column and level are fixed on column；
The counter force wall is fixed with horizontally disposed servo start on the metope of reaction frame by actuator base
Device, servo actuator is built-in with load transducer, and the one end of servo actuator away from counter force wall and one end of the first T-shaped bearing are consolidated
Fixed connection, the other end of the first T-shaped bearing is provided with oblique material secure component；
The column is fixed with the 4th T-shaped bearing on the cylinder of counter force wall, the 4th T-shaped bearing away from column one
End is provided with oblique material secure component；
The 3rd T-shaped bearing is fixed with the bottom surface of the crossbeam, the 3rd one end of T-shaped bearing away from crossbeam is provided with oblique material
Secure component；
The position of the 3rd T-shaped bearing of correspondence is also provided with jack vertically on level ground, and the top of jack is fixed with
Load transducer is additionally provided between second T-shaped bearing, and the top of jack and the second T-shaped bearing, the second T-shaped bearing is away from thousand
The one end on jin top is provided with oblique material secure component；
Described electric control gear includes industrial control computer, load control loop, load backfeed loop and data analysis
Output loop, industrial control computer is electrically connected with the built-in sensors and load transducer of servo actuator respectively.
By the direction for the loading force for changing servo actuator, the position of each T-shaped bearing and the longitudinal direction of crossbeam are adjusted
Position can adapt to various angular cross, the oblique material of various different sizes and specification.Oblique material can be applied by servo actuator
Pressurization and tension, its payload values are obtained automatically by built-in sensors.Compression, its lotus can be applied to oblique material by jack
Load value is obtained automatically by external load transducer, so very easily oblique material pressure-bearing stability can be detected and commented
Estimate.
As further improvement of the utility model scheme, described crossbeam is fixed by mobile positioning mechanism and column to be connected
Connect；The 3rd described T-shaped bearing is fixedly connected by mobile positioning mechanism with crossbeam；The 4th described T-shaped bearing passes through movement
Detent mechanism is fixedly connected with column；The 3rd described T-shaped bearing is fixedly connected by mobile positioning mechanism with crossbeam.
As further improvement of the utility model scheme, the column is consolidated with counter force wall by girt, the first bolt
The solid component of component, the second bolt is fixedly connected.
As further improvement of the utility model scheme, there is the sleeve of a top end opening outside the jack, its appearance
Face is provided with two longitudinal chutes, and longitudinal chute is located at the symmetrical both sides of sleeve, and the side wall of longitudinal chute not insertion sleeve, two
Individual longitudinal chute is slidably connected with L-type steel plate respectively, and L-type steel plate top is fixedly connected with the second T-shaped bearing.
As further improvement of the utility model scheme, a support is fixed in the servo actuator outer surface, the support
Pole be fixedly connected with counter force wall.
As further improvement of the utility model scheme, the cross section of the column and crossbeam is H types, column with
The relative one side of counter force wall be evenly arranged with multiple mounting holes, the sole length direction of the crossbeam under upper be provided with it is uniform
The mounting hole of distribution.
As further improvement of the utility model scheme, described column also includes two auxiliary struts, auxiliary strut,
Column and the contact point of level ground surround an isosceles triangle, and the bottom of the isosceles triangle is relative with counter force wall with column
Parallel sideways, the top of two auxiliary struts on isosceles triangle base is connected by a top crossbeam, positioned at etc.
The top of column on lumbar triangle shape summit is connected by crossbeam with top crossbeam.
As further improvement of the utility model scheme, the bottom of the column fixes a ground and fixes girder steel, ground
An inclined skewed horizontal load girder steel is fixed between fixed girder steel and column.
The utility model can carry out pressing-pressing by the direction for the loading force for changing servo actuator to angle steel X-braced panels
Tested with the stability bearing capacity of drawing-pressure, the servo actuator being fixed on counter force wall can apply pressure and pulling force, its payload values by
Built-in sensors are obtained automatically, and the level jack being positioned on ground mainly provides thrust to make angle steel X-braced panels produce pressure
Power, corresponding payload values are obtained by pressure sensor；By the setting of girt, the level of device may further ensure that
Rigidity, thereby may be ensured that the precision of experiment；Be disposed as H types by making the cross section of column and crossbeam, and make column with
The relative one side of counter force wall be evenly arranged with the sole length direction of multiple mounting holes, the crossbeam under upper be provided with it is uniform
The mounting hole of distribution, can so improve the flexibility of the device, can be used for the experiment of the angle steel X-braced panels of different model；It is logical
Top girder steel level, vertical direction adjustment are crossed, so as to improve the versatility of the device；Servo actuator is fixed by support,
The fixed effect of end is preferably ensure that, the accuracy of experiment is thereby may be ensured that；By L-shaped steel plate with jack sleeve
The connection of chute and it is fixedly connected with T-shaped bearing, so can further ensures the accuracy of experiment；The device was operated
Journey is easy, its applicability relatively wide, reliability is high, and repeatable utilization.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the schematic device with fixed structures such as auxiliary struts.
Fig. 3 is Fig. 2 A-A sectional views；
Fig. 4 is auxiliary strut and top crossbeam position view；
Fig. 5 is jack and sleeve schematic diagram；
Fig. 6 is sleeve schematic diagram；
Fig. 7 is the front view of the second T-shaped bearing；
Fig. 8 is the left view of the second T-shaped bearing；
Fig. 9 is the top view of the second T-shaped bearing；
Figure 10 is bearing front view.
In figure, 1, counter force wall, 2, actuator base, 3, servo actuator, 4, support, the 5, first T-shaped bearing, 6, level draws
Bar, 7, column, 71, auxiliary strut, 8, angle steel X-braced panels, 9, sleeve, 91, longitudinal chute, 10, L-shaped steel plate, 11, jack,
12nd, load transducer, the 13, second T-shaped bearing, the 14, the 3rd T-shaped bearing, 15, crossbeam, the solid component of the 16, first bolt, the 17, the 4th T
Shape bearing, 18, ground fix girder steel, 19, skewed horizontal load girder steel, 20, top fix girder steel, the solid component of the 21, second bolt.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, the angle steel X-braced panels stability bearing capacity experimental rig, including counter force wall 1, reaction frame and automatically controlled dress
Put, reaction frame and counter force wall 1 are both secured on level ground.
Reaction frame includes the crossbeam 15 that column 7 and level are fixed on column 7.
The counter force wall 1 is fixed with horizontally disposed servo by actuator base 2 on the metope of reaction frame and made
Dynamic device 3, servo actuator 3 is built-in with load transducer, the one end of servo actuator 3 away from counter force wall 1 and the first T-shaped bearing 5
One end be fixedly connected, the other end of the first T-shaped bearing 5 is provided with oblique material secure component.
The column 7 is fixed with the 4th T-shaped bearing 17 on the cylinder of counter force wall 1, and the 4th T-shaped bearing 17 is away from vertical
One end of post 7 is provided with oblique material secure component.
The 3rd T-shaped bearing 14, the 3rd T-shaped one end of bearing 14 away from crossbeam 15 are fixed with the bottom surface of the crossbeam 15
Provided with oblique material secure component.
The position of the 3rd T-shaped bearing 14 of correspondence is also provided with jack 11 vertically on level ground, and the top of jack 11 is consolidated
Surely it is provided with and is additionally provided with load transducer 12 between the second T-shaped bearing 13, and the top of jack 11 and the second T-shaped bearing 13, the
The two T-shaped one end of bearing 13 away from jack 11 are provided with oblique material secure component.
Described electric control gear includes industrial control computer, load control loop, load backfeed loop and data analysis
Output loop, industrial control computer is electrically connected with the build-in load cell and load transducer 12 of servo actuator 3 respectively.
For the ease of testing the X-braced panels of different intersecting angles, further improvement of the utility model scheme, institute are used as
The crossbeam 15 stated can be fixedly connected by bolt with column 7, need to set multiple mounting holes to be used to adjust crossbeam 15 on column 7
Height and position, crossbeam 15 can also be connected by chute with column 7, and its lengthwise position is fixed by fastener；Likewise, right
The method can also be used to carry out adjustment position in the adjustment of the third and fourth T-shaped bearing.
, can also and the secure component of the head end positioned at all T-shaped bearings can be the fastener of conventional any structure
It is hinge hole, is hinged using the end of hinge hole and oblique material.
It is described as shown in Fig. 2 to Fig. 9 as further improvement of the utility model scheme for the precision of guarantee test
Column 7 is fixedly connected with counter force wall 1 by girt 6, the solid component 16 of the first bolt, the solid component 21 of the second bolt；Drawn by level
The setting of bar 6, may further ensure that the horizontal rigidity of device, thereby may be ensured that the precision of experiment.
Increase stability, the guarantee test of the second T-shaped bearing 13 during in order to stretch and be tested in jack 11
Precision, have the sleeve 9 of a top end opening as further improvement of the utility model scheme, outside the jack 11, outside it
Surface is provided with two longitudinal chutes 91, and longitudinal chute 91 is located at the symmetrical both sides of sleeve 9, and longitudinal not insertion sleeve of chute 91
9 side wall, two longitudinal chutes 91 are slidably connected with L-type steel plate 10 respectively, and the top of L-type steel plate 10 is consolidated with the second T-shaped bearing 13
Fixed connection；Second T-shaped bearing 13 can be stabilized in by L-type steel plate 10 on sleeve 9 in the action process of jack 11 slides up and down, together
When be fixedly connected by L-shaped steel plate with the connection of jack sleeve upper hopper chute and with the second T-shaped bearing, while can make very heavy
The compression that top 11 is produced can vertically upward, further ensure the accuracy of experiment along chute.
In order to ensure the stability of the output loads of servo actuator 3, further improvement of the utility model scheme, institute are used as
State the outer surface of servo actuator 3 and fix a support 4, the pole of the support 4 is fixedly connected with counter force wall 1；Servo actuator 3 passes through
Support 4 is fixed on counter force wall 1, ensure that the stress of servo actuator 3 produces direction stable, will not stress increase and occur
The problems such as vibrations or displacement.
For the ease of install and the angle steel X-braced panels suitable for different model experiment, as it is of the present utility model enter one
Walk improvement project, the cross section of the column 7 and crossbeam 15 is H types, the one side relative with counter force wall 1 of column 7 from it is upper it
Under be evenly arranged with multiple mounting holes, the sole length direction of the crossbeam 15 and be provided with equally distributed mounting hole.
In order to increase the resistance to overturning of reaction frame, further improvement of the utility model scheme, described column 7 are used as
Also include two auxiliary struts 71, auxiliary strut 71 surrounds an isosceles triangle with column 7, the contact point of level ground, should
The bottom of the isosceles triangle side relative with column 7 with counter force wall 1 is parallel, and two auxiliary on isosceles triangle base are vertical
The top of post 71 is connected by a top crossbeam 20, and the top of the column 7 on isosceles triangle summit passes through crossbeam 15
It is connected with top crossbeam 20；Three root posts, which are in triangular distribution, can improve the stability of reaction frame, it is ensured that test accuracy.
It is described as further improvement of the utility model scheme in order to further increase the resistance to overturning of reaction frame
The bottom of column 7 fixes a ground and fixes girder steel 18, and ground is fixed between girder steel 18 and column 7 and fixes an inclined skewed horizontal load
Girder steel 19.
By the direction for the loading force for changing servo actuator 3 in process of the test, angle steel X-braced panels 8 can be pressed-pressed
Tested with the stability bearing capacity of drawing-pressure, the servo actuator 3 being fixed on counter force wall 1 can apply pressure and pulling force, its payload values
Obtained automatically by built-in sensors, the level jack 11 being positioned in the jack sleeve 9 on ground mainly provides thrust and come
Angle steel X-braced panels are made to produce pressure, corresponding payload values are obtained by pressure sensor；The device operating process is easy, it is fitted
It is high with property relatively wide, reliability, and repeatable utilization.
When being tested using the device, step one：By each end of angle steel X-braced panels 8 respectively with first to fourth T-shaped
Bearing 5,13,14,17 is fixedly connected；
Step 2：Servo actuator 3, jack 11 is controlled to apply pressure to angle steel 8, by built-in in servo actuator 3
Sensor and the load transducer 12 that is connected with jack 11 obtain lotus when pressure is born at the two ends of angle steel X-braced panels 8
Carry numerical value；
Step 3：When sensor built-in in servo actuator 3 in step 2 or the load being connected with jack 11 sensing
When the load numerical value of one of device 12 can not keep stable and on a declining curve, the experiment in step 2 is to stop, and is declined at first
Load numerical value is the maximum pressure that angle steel X-braced panels 8 can bear；
Step 4：Servo actuator 3 is controlled to apply pulling force to the horizontal corner steel in angle steel 8, control jack 11 is to angle steel 8
In vertical angle steel apply pressure, the load sensing for passing through sensor built-in in servo actuator 3 and being connected with jack 11
Bear load numerical value when pressure, the other end bear pulling force in one end that device 12 can obtain angle steel X-braced panels 8；
Step 5：When the load numerical value for the pressure sensor 12 being connected in step 4 with jack 11 can not keep it is stable and
When on a declining curve, experiment is terminated, and writes down corresponding load numerical value, the load numerical value declined at first is angle steel X-braced panels 8
The maximum pressure that can bear.
It so can quickly obtain the numerical value of angle steel X-braced panels bearing capacity, the stability of quick analytical structure, user
Just, it is practical.
Claims (8)
1. a kind of angle steel X-braced panels stability bearing capacity experimental rig, including counter force wall (1), reaction frame and electric control gear, counter-force
Frame and counter force wall (1) are both secured on level ground；Characterized in that,
Described reaction frame includes the crossbeam (15) that column (7) and level are fixed on column (7)；
The counter force wall (1) is fixed with horizontally disposed servo by actuator base (2) on the metope of reaction frame and made
Dynamic device (3), servo actuator (3) is built-in with load transducer, the one end of servo actuator (3) away from counter force wall (1) and the first T
One end of type bearing (5) is fixedly connected, and the other end of the first T-shaped bearing (5) is provided with oblique material secure component；
The column (7) is fixed with the 4th T-shaped bearing (17) on the cylinder of counter force wall (1), and the 4th T-shaped bearing (17) is remote
One end from column (7) is provided with oblique material secure component；
The 3rd T-shaped bearing (14) is fixed with the bottom surface of the crossbeam (15), the remote crossbeam (15) of the 3rd T-shaped bearing (14)
One end is provided with oblique material secure component；
The position of the 3rd T-shaped bearing (14) of correspondence is also provided with jack (11), the top of jack (11) vertically on level ground
It is fixed between the second T-shaped bearing (13), and the top of jack (11) and the second T-shaped bearing (13) and is additionally provided with load sensing
Device (12), the one end of the second T-shaped bearing (13) away from jack (11) is provided with oblique material secure component；
Described electric control gear includes industrial control computer, load control loop, load backfeed loop and data analysis output
Loop, industrial control computer is electrically connected with the built-in sensors and load transducer (12) of servo actuator (3) respectively.
2. angle steel X-braced panels stability bearing capacity experimental rig according to claim 1, it is characterised in that described crossbeam
(15) it is fixedly connected by mobile positioning mechanism with column (7)；The 3rd described T-shaped bearing (14) by mobile positioning mechanism with
Crossbeam (15) is fixedly connected；The 4th described T-shaped bearing (17) is fixedly connected by mobile positioning mechanism with column (7)；It is described
The 3rd T-shaped bearing (14) be fixedly connected by mobile positioning mechanism with crossbeam (15).
3. angle steel X-braced panels stability bearing capacity experimental rig according to claim 1, it is characterised in that described column
(7) it is fixedly connected with counter force wall (1) by girt (6), the solid component (16) of the first bolt, the solid component (21) of the second bolt.
4. a kind of angle steel X-braced panels stability bearing capacity experimental rig according to claim 1, it is characterised in that described
There is the sleeve (9) of a top end opening outside jack (11), its outer surface is provided with two longitudinal chutes (91), longitudinal chute (91)
Positioned at sleeve (9) symmetrically both sides, and the side wall of longitudinal chute (91) not insertion sleeve (9), two longitudinal chutes (91) are respectively
It is slidably connected with L-type steel plate (10), L-type steel plate (10) top is fixedly connected with the second T-shaped bearing (13).
5. the angle steel X-braced panels stability bearing capacity experimental rig according to any one of Claims 1-4, it is characterised in that
A support (4) is fixed in described servo actuator (3) outer surface, and the pole of the support (4) is fixedly connected with counter force wall (1).
6. angle steel X-braced panels stability bearing capacity experimental rig according to claim 5, it is characterised in that described column
(7) and the cross section of crossbeam (15) is H types, column (7) one side relative with counter force wall (1) is evenly arranged with upper
Equally distributed mounting hole is provided with multiple mounting holes, the sole length direction of the crossbeam (15).
7. angle steel X-braced panels stability bearing capacity experimental rig according to claim 6, it is characterised in that described column
(7) two auxiliary struts (71) are also included, auxiliary strut (71), column (7) and the contact point of level ground (22) surround one
Isosceles triangle, the side that the bottom of the isosceles triangle is relative with column (7) with counter force wall (1) is parallel, positioned at isosceles triangle
The top of two auxiliary struts (71) on base is connected by a top crossbeam (20), on isosceles triangle summit
The top of column (7) is connected by crossbeam (15) with top crossbeam (20).
8. angle steel X-braced panels stability bearing capacity experimental rig according to claim 7, it is characterised in that described column
(7) bottom fixes a ground and fixes girder steel (18), and it is inclined oblique to fix one between ground fixation girder steel (18) and column (7)
Support steel beam (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720062084.0U CN206573386U (en) | 2017-01-19 | 2017-01-19 | Angle steel X-braced panels stability bearing capacity experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720062084.0U CN206573386U (en) | 2017-01-19 | 2017-01-19 | Angle steel X-braced panels stability bearing capacity experimental rig |
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| CN206573386U true CN206573386U (en) | 2017-10-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966289A (en) * | 2017-12-21 | 2018-04-27 | 海南大学 | A kind of outer bearing diagonal plough groove type self-balancing gate-type assembling reaction frame of band plane |
| CN109297805A (en) * | 2018-09-03 | 2019-02-01 | 舟山启明电力设计院有限公司 | A kind of single-unit X-braced panels horizontal experimental rig |
| CN111122312A (en) * | 2018-10-30 | 2020-05-08 | 中国电力科学研究有限公司 | Device for measuring ultimate bearing capacity of lightning arrester hardware fitting |
-
2017
- 2017-01-19 CN CN201720062084.0U patent/CN206573386U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966289A (en) * | 2017-12-21 | 2018-04-27 | 海南大学 | A kind of outer bearing diagonal plough groove type self-balancing gate-type assembling reaction frame of band plane |
| CN107966289B (en) * | 2017-12-21 | 2023-12-08 | 海南大学 | Groove type self-balancing door type assembly reaction frame with out-of-plane inclined support |
| CN109297805A (en) * | 2018-09-03 | 2019-02-01 | 舟山启明电力设计院有限公司 | A kind of single-unit X-braced panels horizontal experimental rig |
| CN109297805B (en) * | 2018-09-03 | 2023-12-05 | 舟山启明电力设计院有限公司 | Single-section crossed inclined material horizontal type test device |
| CN111122312A (en) * | 2018-10-30 | 2020-05-08 | 中国电力科学研究有限公司 | Device for measuring ultimate bearing capacity of lightning arrester hardware fitting |
| CN111122312B (en) * | 2018-10-30 | 2023-12-12 | 中国电力科学研究有限公司 | Measuring device for ultimate bearing capacity of lightning arrester hardware fitting |
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Granted publication date: 20171020 Termination date: 20200119 |