CN106017885A - Load-carrying performance test device for power transmission iron tower lifting-up tower foot capable of being jacked - Google Patents
Load-carrying performance test device for power transmission iron tower lifting-up tower foot capable of being jacked Download PDFInfo
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- CN106017885A CN106017885A CN201610394004.1A CN201610394004A CN106017885A CN 106017885 A CN106017885 A CN 106017885A CN 201610394004 A CN201610394004 A CN 201610394004A CN 106017885 A CN106017885 A CN 106017885A
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- load
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a load-carrying performance test device for a power transmission iron tower lifting-up tower foot capable of being jacked. The test device comprises a tower foot test piece, a bearing system, a load control system and a data collection system. Via use of a principal material fixing support rack pedestal and a diagonal member fixing support rack pedestal, the load control system and the bearing system are respectively connected with an upper transverse beam and longitudinal beam through screw bolts to form an integral whole; the tower foot test piece is placed in the integral whole; a sensor a, a sensor b and a sensor c are connected with a data collecting instrument which is in connection with a computer, and therefore the data collection system is formed; a force bearing state of a disengaging body is basically as same as that of the disengaging body in a whole tower, and therefore force bearing performance of the disengaging body can be simulated; a stress state of a node is consistent with an actual stress state of the node, a reliable experiment device is provided for node test research, the load-carrying performance test device is simple and convenient to operate, the test piece can be installed conveniently, and convenience of force bearing of the test piece can be realized.
Description
Technical field
The present invention relates to a kind of electric power pylon can jacking column foot load-carrying properties assay device, belonging to electric power pylon can
Jacking column foot load-carrying properties assay device technical field.
Background technology
Electric power pylon column foot node is one of important node of electric power pylon, the duty of the whole tower of steel tower, internal force
Distribution and deformation etc. are directly affected by column foot mechanical property.The stress performance of steel tower column foot and failure mode are all
Sufficiently complex, observing electric power pylon column foot stress performance the best way is whole iron tower structure to be carried out test grind
Study carefully, but the most uneconomical, and it is the biggest that difficulty is implemented in test.From the point of view of the data grasped at present, both at home and abroad
The method of more employing simulation test, i.e. takes out column foot from whole tower and departs from body as one, depart from this
Body applies the various loads born in structure, simulates its stress performance so that it is stress and base in whole tower
This is identical, and the stress state of node is consistent with reality, thus the experimental study of complete paired node.I.e. carry out plane
Multidirectional full size node load test, in this experiment, it is necessary to the feature for column foot node designs a set of special
Assay device, main material and oblique material are carried out axially loaded by device, and place steel axle limiting displacement in jacking position.But
Existing research, is only limitted to theory hypothesis, there is no the assay device of this type of research.
Summary of the invention
The mesh of the present invention be to provide a kind of electric power pylon can jacking column foot load-carrying properties assay device, device is simple,
Simple operation, it is simple to test specimen is installed and stress, the research for column foot stress performance provides reliable carrier.
For reaching above-mentioned purpose, this electric power pylon can jacking column foot load-carrying properties assay device, including column foot test specimen
And load supporting system, load control system and data collecting system；Described load supporting system includes longeron, upper horizontal stroke
Beam, sill and vertical crossbeams, described longeron is three, forms triangle-frame, at the longitudinal direction of longeron
Uniform punching；Entablature two ends and sill two ends are all welded with splice plate, and are provided with on splice plate and longeron
It is spaced the hole the most identical with size, respectively by the bolt two connections as therein with longeron, becomes upper and lower
Two parallel crossbeams；Vertical crossbeams one end is welded with splice plate, and be provided with on splice plate and longeron interval and
The hole that size is the most identical, by bolt and the 3rd connection differing from entablature two ends in longeron and sill is connected,
Described vertical crossbeams is two, is that cross superposes and is bolted one respectively with entablature, sill
Rise；
Described load control system includes that main material fixed support, the first oblique material fixed support and the second oblique material are fixed
Support, the described main material uniform punching of fixed support base, the lower surface being connected to entablature it is inverted by bolt,
It is provided with main material jack, sensor and the slip of main material in main material fixed support and loads axle, wherein, main material jack
Being positioned at upper end, its underpart is sequentially connected with sensor and main material slides and loads axle；Described first tiltedly material fixed support)
Upper end weld with the inclined-plane of inclined-plane I-steel, the flange plate of I-steel is bolted with longeron, and first is oblique
It is provided with the first oblique material jack, sensor and the slip of the first oblique material in material fixed support and loads axle, wherein, first
Tiltedly material jack is positioned at upper end, and its underpart is sequentially connected with sensor and the first oblique material slides and loads axle；Described
The two oblique support bracket fastened upper ends of material are welded with the inclined-plane of inclined-plane I-steel, and the flange plate of I-steel leads to another longeron
Cross bolt to connect, be provided with the second oblique material jack, sensor and the second oblique material in the second oblique material fixed support and slide
Loading axle, wherein, the second oblique material jack is positioned at upper end, and its underpart is sequentially connected with sensor and the second oblique material is sliding
Dynamic loading axle；
Described data collecting system includes data collecting instrument and computer, described data collecting instrument one end and each biography
Sensor connects, and the other end is connected with computer；
Column foot test specimen is placed in the space that load control system encloses, and is placed on steel shaft stool bottom it, described
The uniform punching of base of steel shaft stool, and make to be connected with described sill.
Further, the first oblique material fixed support and the second oblique support bracket fastened angle of inclination of material are 45 degree.
Further, main material jack is 50T hydraulic jack.
Further, the first oblique material jack, the second oblique material jack are 30T hydraulic jack.
Further, sensor includes load transducer, displacement meter, foil gauge, and wherein load transducer is
50T load transducer.
Further, the slip of main material loads axle and is welded by cylindrical steel axle and base, steel shaft diameter 80mm,
High 390mm, base has the circular hole of a diameter of 12mm.
Further, the first oblique material slides and loads axle, the second oblique material slides and loads axle by cylindrical steel axle and the end
Seat is welded, and steel shaft diameter 80mm, high 200mm, base has the circular hole of a diameter of 12mm.
Further, steel shaft stool is welded by steel axle and base, and steel shaft diameter is 30mm, and base has
Elliptical aperture.
This electric power pylon can jacking column foot load-carrying properties assay device by by multidirectional for plane full size can jacking transmit electricity
Steel tower column foot node makes column foot test specimen, is placed in the load control system of exportable arbitrary proportion load, and
During adding load, the data collecting instrument being connected with each sensor and computer form data collecting system, complete
The force controlled of test specimen and data acquisition, for simulation depart from body stress performance so that it is stress with in whole tower
Essentially identical, the stress state of node is consistent with reality, and the experimental study for complete paired node provides reliably
Experimental provision, and this device is simple, simple operation, it is simple to test specimen is installed and stress.
Accompanying drawing explanation
Fig. 1 is the perspective view of this device；
Fig. 2 is the right side view of this device；
Fig. 3 is the left side view of this device.
In figure: 1, column foot test specimen, 2, longeron, 3, entablature, 4, sill, 5, vertical crossbeams, 6,
Splice plate, 7, main material fixed support, the 8, first oblique material fixed support, the 9, second oblique material fixed support, 10,
Main material jack, the 11, first oblique material jack, the 12, second oblique material jack, 13, sensor a, 14,
Main material slides and loads axle, and the 15, first oblique material slides and loads axle, and the 16, second oblique material slides and loads axle, 17,
Steel shaft stool, 20, sensor b, 21, sensor c.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 3, this electric power pylon can jacking column foot load-carrying properties assay device, including column foot test specimen
1 and load supporting system, load control system and data collecting system；Described load supporting system include longeron 2,
Entablature 3, sill 4 and vertical crossbeams 5, described longeron 2 is three, forms triangle-frame, vertical
The uniform punching of longitudinal direction of beam 2；Entablature 3 two ends and sill 4 two ends are all welded with splice plate 6, and
Splice plate 6 is provided with and longeron 2 interval and the most identical hole of size, respectively by bolt and longeron 2 wherein
Same two piece connect, become two the most parallel crossbeams；Vertical crossbeams 5 one end is welded with splice plate 6,
And be provided with on splice plate 6 and longeron 2 interval and the most identical hole of size, differed from longeron 2 by bolt
The 3rd connection that entablature 3 two ends and sill 4 connect, described vertical crossbeams 5 is two, respectively with
Entablature 3, sill 4 is in cross superposition and is bolted together；
Described load control system includes the main oblique material fixed support of material fixed support 7, first 8 and the second oblique material
Fixed support 9, the described main material fixed support 7 uniform punching of base, it is inverted by bolt and is connected to entablature
The lower surface of 3, is provided with main material jack 10, sensor a13 and the slip of main material and loads in main material fixed support 7
Axle 14, wherein, main material jack 10 is positioned at upper end, and its underpart is sequentially connected with sensor a13 and main material slides
Load axle 14；Described first is tiltedly welded with the inclined-plane of inclined-plane I-steel the upper end of material fixed support 8, I-shaped
The flange plate of steel is bolted with longeron 2, is provided with the first oblique material jack in the first oblique material fixed support 8
11, sensor b20 and first tiltedly material slides and loads axle 15, and wherein, the first oblique material jack 11 is positioned at upper end,
Its underpart is sequentially connected with sensor b20 and first tiltedly material slip and loads axle 15；Fixing of described second tiltedly material
The upper end of frame 9 is welded with the inclined-plane of inclined-plane I-steel, and the flange plate of I-steel is with another longeron 2 by bolt even
Connect, be provided with the second oblique material jack 12, sensor c21 and second tiltedly material in the second oblique material fixed support 9 sliding
Dynamic loading axle 16, wherein the second oblique material jack 12 is positioned at upper end, its underpart be sequentially connected with sensor c21 with
Second oblique material slides and loads axle 16；
Described data collecting system includes data collecting instrument and computer, described data collecting instrument one end and each biography
Sensor connects, and the other end is connected with computer；
Column foot test specimen 1 is placed in the space that load control system encloses, and is placed on steel shaft stool (17) bottom it,
The uniform punching of base of described steel shaft stool 17, and make to be connected with described sill 4.
The angle of inclination of the first oblique material fixed support 8 and the second oblique material fixed support 9 is 45 degree.
Main material jack 10 is 50T hydraulic jack.
The first oblique oblique material jack 12 of material jack 11, second is 30T hydraulic jack.
Sensor a13, sensor b20 and sensor c21 include load transducer, displacement meter, foil gauge,
Wherein load transducer is 50T load transducer.
The slip of main material loads axle 14 and is welded by cylindrical steel axle and base, steel shaft diameter 80mm, high 390mm,
Base has the circular hole of a diameter of 12mm.
First oblique material slides and loads axle 15, second oblique material slip loading axle 16 by cylindrical steel axle and base weldering
Connecing and form, steel shaft diameter 80mm, high 200mm, base has the circular hole of a diameter of 12mm.
Steel shaft stool 17 is welded by steel axle and base, and steel shaft diameter is 30mm, and base has elliptical aperture.
This load control system and load supporting system are support bracket fastened by base and the oblique material of main material fixed support 7
Base is bolted one entirety of formation respectively with entablature 3, longeron 2, is put by described column foot test specimen 1
In this entirety, sensor a13, sensor b20 and sensor c21 are all connected with data collecting instrument, data
Acquisition Instrument is connected with computer, forms data collecting system, after centering installed by component, main material jack 10,
Tiltedly material jack applies the load that testing program sets simultaneously, makes each several part contact good, now, to data acquisition
Collection instrument carries out initialization operation, and electronic brain timing record preserves data, then starts to load, is loaded onto column foot test specimen
1 destroys, off-test.
Claims (8)
1. an electric power pylon can jacking column foot load-carrying properties assay device, it is characterised in that include that column foot tries
Part (1) and load supporting system, load control system and data collecting system；Described load supporting system includes indulging
Beam (2), entablature (3), sill (4) and vertical crossbeams (5), described longeron (2) is three,
Composition triangle-frame, in the uniform punching of longitudinal direction of longeron (2)；Entablature (3) two ends and sill (4)
Two ends are all welded with splice plate (6), and be provided with on splice plate (6) and longeron (2) interval and size homogeneous
With hole, respectively by bolt therein with longeron (2) as two connections, become the most parallel two
Root crossbeam；Vertical crossbeams (5) one end is welded with splice plate (6), and is provided with and longeron on splice plate (6)
(2) be spaced the hole the most identical with size, by bolt and longeron (2) differ from entablature (3) two ends and
The 3rd connection that sill (4) connects, described vertical crossbeams (5) is two, respectively with entablature (3),
Sill (4) in cross superposition and is bolted together；
Described load control system includes main material fixed support (7), the first oblique material fixed support (8) and
Two oblique material fixed supports (9), described main material fixed support (7) the uniform punching of base, it is inverted by bolt
It is connected to the lower surface of entablature (3), is provided with main material jack (10) in main material fixed support (7), passes
Sensor a (13) and main material slide and load axle (14), and wherein, main material jack (10) is positioned at upper end, its
Bottom is sequentially connected with sensor a (13) and main material slides and loads axle (14)；Fixing of described first tiltedly material
The upper end of frame (8) is welded with the inclined-plane of inclined-plane I-steel, and the flange plate of I-steel and longeron (2) pass through bolt
Connect, be provided with in the first oblique material fixed support (8) the first oblique material jack (11), sensor b (20) and
First oblique material slides and loads axle (15), and wherein, the first oblique material jack (11) is positioned at upper end, and its underpart is suitable
Secondary connection sensor b (20) and the first oblique material slide and load axle (15)；Described second tiltedly material fixed support
(9) upper end is welded with the inclined-plane of inclined-plane I-steel, and the flange plate of I-steel and another longeron (2) pass through spiral shell
Tether and connect, in the second oblique material fixed support (9), be provided with the second oblique material jack (12), sensor c (21)
Sliding with the second oblique material and load axle (16), wherein the second oblique material jack (12) is positioned at upper end, and its underpart is suitable
Secondary connection sensor c (21) and the second oblique material slide and load axle (16)；
Described data collecting system includes data collecting instrument and computer, described data collecting instrument one end and each biography
Sensor connects, and the other end is connected with computer；
Column foot test specimen (1) is placed in the space that load control system encloses, and is placed in steel shaft stool (17) bottom it
On, the uniform punching of base of described steel shaft stool (17), and use bolt even with described sill (4)
Connect.
Electric power pylon the most according to claim 1 can jacking column foot load-carrying properties assay device, its feature exists
In, the angle of inclination of described first tiltedly material fixed support (8) and the second oblique material fixed support (9) is
45 degree.
Electric power pylon the most according to claim 1 and 2 can jacking column foot load-carrying properties assay device, its
Being characterised by, described main material jack (10) is 50T hydraulic jack.
Electric power pylon the most according to claim 3 can jacking column foot load-carrying properties assay device, its feature
Being, described first tiltedly material jack (11), the second oblique material jack (12) are 30T hydraulic jack
Top.
Electric power pylon the most according to claim 4 can jacking column foot load-carrying properties assay device, its feature
Be, described sensor a (13), sensor b (20) and sensor c (21) include load transducer,
Displacement meter, foil gauge, wherein load transducer is 50T load transducer.
Electric power pylon the most according to claim 5 can jacking column foot load-carrying properties assay device, its feature
Being, described main material slip loads axle (14) and is welded by cylindrical steel axle and base, steel shaft diameter
80mm, high 390mm, base has the circular hole of a diameter of 12mm.
Electric power pylon the most according to claim 6 can jacking column foot load-carrying properties assay device, its feature
Being, described first tiltedly material slides and loads axle (15), the second oblique material slides loads axle (16) by cylinder
Shape steel axle and base are welded, steel shaft diameter 80mm, high 200mm, and base has the circle of a diameter of 12mm
Hole.
Electric power pylon the most according to claim 7 can jacking column foot load-carrying properties assay device, its feature
Being, described steel shaft stool (17) is welded by steel axle and base, and steel shaft diameter is 30mm, base
Have elliptical aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394004.1A CN106017885B (en) | 2016-06-03 | 2016-06-03 | A kind of electric power pylon can jack column foot load-carrying properties experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394004.1A CN106017885B (en) | 2016-06-03 | 2016-06-03 | A kind of electric power pylon can jack column foot load-carrying properties experimental rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106017885A true CN106017885A (en) | 2016-10-12 |
| CN106017885B CN106017885B (en) | 2019-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610394004.1A Active CN106017885B (en) | 2016-06-03 | 2016-06-03 | A kind of electric power pylon can jack column foot load-carrying properties experimental rig |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067433A (en) * | 2018-01-22 | 2019-07-30 | 深圳带路科技有限公司 | A kind of steel tower bracing means and its construction method |
| CN114061997A (en) * | 2021-10-19 | 2022-02-18 | 南方电网科学研究院有限责任公司 | Power transmission tower section loading test device and method |
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|---|---|---|---|---|
| CN110067433A (en) * | 2018-01-22 | 2019-07-30 | 深圳带路科技有限公司 | A kind of steel tower bracing means and its construction method |
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| CN106017885B (en) | 2019-03-29 |
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Inventor after: Shu Qianjin Inventor after: Wang Li Inventor after: Pang Haolei Inventor after: Wang Wenlong Inventor after: Yuan Guanglin Inventor after: Li Qingtao Inventor after: Li Kang Inventor after: Shao Runhui Inventor after: Huang Xiaohua Inventor after: Sun Yuhao Inventor after: Liu Lujie Inventor after: Wang Tengyan Inventor before: Shao Runhui Inventor before: Wang Li Inventor before: Pang Haolei Inventor before: Wang Wenlong Inventor before: Yuan Guanglin Inventor before: Shu Qianjin Inventor before: Li Qingtao Inventor before: Huang Xiaohua Inventor before: Li Kang Inventor before: Sun Yuhao Inventor before: Liu Lujie Inventor before: Wang Tengyan |
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