CN202928893U - Bending rigidity test device - Google Patents
Bending rigidity test device Download PDFInfo
- Publication number
- CN202928893U CN202928893U CN 201220349754 CN201220349754U CN202928893U CN 202928893 U CN202928893 U CN 202928893U CN 201220349754 CN201220349754 CN 201220349754 CN 201220349754 U CN201220349754 U CN 201220349754U CN 202928893 U CN202928893 U CN 202928893U
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- anchor
- support
- loading
- wire rope
- bending stiffness
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- 238000005452 bending Methods 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 title abstract description 15
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 49
- 238000004873 anchoring Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 23
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010998 test method Methods 0.000 abstract 1
- 229920000715 Mucilage Polymers 0.000 description 18
- 239000000853 adhesive Substances 0.000 description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 239000012212 insulator Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a bending rigidity test device. The device can accurately measure the bending rigidity of the flange binding part of ultrahigh voltage electric equipment, and solves the problem on safe and stable operation of the ultrahigh voltage electric equipment caused by large theoretical calculation error. The test device comprises an anchoring system, a support system, a loading system and a measurement system, wherein the anchoring system is used for fixing an ultrahigh voltage porcelain sleeve; the support system is used for supporting the loading system; the loading system is used for applying force to the ultrahigh voltage porcelain sleeve; and the measurement system is used for measuring the relative rotation angle of the ultrahigh voltage porcelain sleeve. The bending rigidity test device provided by the utility model can accurately measure the bending rigidity of the flange binding part, measure the deformation amount of the porcelain sleeve, and detect strength of the porcelain sleeve. The test device has the advantages of high stability, low maintenance cost, simple test method and reliable result, is easy to operate, and can assure the repeatability of test data.
Description
Technical field
The utility model belongs to the test unit field, is specifically related to a kind of bending stiffness proving installation.
Background technology
China's code for design of seismic of electrical installations connects flange to connect as elasticity to be processed, and requires the bending stiffness of flange, and when flange and porcelain bushing shell mucilage binding, its bendind rigidity is:
In formula (1), d
cIt is porcelain bushing shell mucilage binding position external diameter (m); h
cPorcelain bushing shell and flange mucilage binding height (m); t
eBe the mucilage binding thickness (m) between flange and porcelain bushing shell, β is the bendind rigidity design factor, and its value is β=6.54 * 10
7
Although this formula physical concept is more clear, the mechanics feature that substantially can reflect high voltage electric equipment flange-porcelain bushing shell connecting portion, but the clearance distance between extra-high voltage electrical equipment porcelain bushing shell mucilage binding position external diameter, porcelain bushing shell and flange mucilage binding height and flange and porcelain bushing shell and these parameter differences of common high voltage electric equipment are very large, cause bending stiffness and the calculated value at extra-high voltage electrical equipment flange mucilage binding position to differ greatly.The accurate bendind rigidity that connects in order to obtain extra-high voltage electrical equipment insulator pipe-flange, need to test the bending stiffness at extra-high voltage electrical equipment flange mucilage binding position, for this reason, need development one cover can Measurement accuracy insulator pipe-flange the test unit of gluey position bending stiffness.
Summary of the invention
The utility model purpose is to provide the test unit of the bending stiffness at a cover test extra-high voltage electrical equipment flange mucilage binding position, device can be measured the bending stiffness at extra-high voltage electrical equipment flange mucilage binding position accurately, solved because theory error is larger the problem of bringing for the safe and stable operation of extra-high voltage electrical equipment.
For achieving the above object, the technical scheme taked of the utility model is:
A kind of bending stiffness proving installation, described device comprises anchor system, support system, loading system and measuring system, its improvements are:
Described anchor system comprises the geosyncline that is arranged at ground, and the anchor plate of placement parallel to the ground is for anchor pole and the anchor bolt of the described anchor plate of anchoring;
Described support system comprises ∏ type support frame and is anchored in the yi word pattern support girder of described support frame;
Described loading system comprises the loading support that is anchored on described support girder, transmits the wire rope of loading force, the scale pan and loading blocks;
Described measuring system comprises that two ends connect respectively the electronic crane scale of described wire rope and are positioned at the gluey clock gauge of locating of porcelain bushing shell.
Wherein: the surface of described anchor plate is rectangle, and place, four right angles of described rectangle arranges respectively anchor hole, described anchor hole size and anchor pole size interference fit; The lower end of described anchor pole is provided with the capitate fixture block, and described fixture block and described geosyncline are used in conjunction with.
Wherein: described ∏ type support frame is the left-right symmetric structure along central shaft, and the two ends of described support girder are individually fixed in support frame lower surface place, ∏ type support frame central axis position.
Wherein: be connected by back-shaped wire rope between the described scale pan and electronic crane scale, described wire rope is supported by loading support; Be connected by back-shaped wire rope between described electronic crane scale and porcelain bushing shell top.
Wherein: described wire rope perpendicular to ground, is parallel to ground with described electronic crane scale linkage section with described scale pan linkage section to load support as flex point.
Wherein: the wire rope between described electronic crane scale and porcelain bushing shell top is parallel to ground.
Wherein: the plate face of described upper anchor plate and lower anchor plate is provided with the hole of different types, and the anchor plate that the layout in described hole is corresponding with the layout of described insulator pore is positioned at the top of described anchor system.
Owing to having adopted technique scheme, compared with prior art, the beneficial effects of the utility model comprise:
1) the utility model measurement mechanism can be measured the bending stiffness at the mucilage binding position of flange accurately
Measurement mechanism comprises anchor system, support system, loading system and measuring system, and device can be measured the bending stiffness at flange mucilage binding position accurately;
2) measurement mechanism can be measured the deflection of porcelain bushing shell, can check the intensity of porcelain bushing shell;
3) measurement mechanism stability is high, repeatability that can the warranty test data, and the device maintenance cost is low, easy operating;
Description of drawings
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is the proving installation overall schematic;
Fig. 2 is the proving installation side view;
Fig. 3 is proving installation side view A-A sectional view;
Fig. 4 is proving installation side view B-B sectional view;
Fig. 5 is the anchor structural representation;
Fig. 6 is the support system structural representation;
Fig. 7 is the loading system structural representation;
Fig. 8 is the measuring system structural representation;
Fig. 9 is upper anchor plate structural representation;
Figure 10 is lower anchoring plate structure schematic diagram;
Figure 11 is the anchor pole front view;
Figure 12 is the anchor pole vertical view;
Figure 13 is installation procedure figure;
Figure 14 is the geosyncline structural representation;
Accompanying drawing 15 is the geosyncline cross-sectional view
Reference numeral:
The upper anchor plate of 1-, anchor plate under 2-, the 3-anchor pole, the 4-anchor bolt, the 5-support girder, the 6-support frame, 7-loads support, 8-electronic crane scale, 9-loading blocks, 10-wire rope, the 11-scale pan, 12-clock gauge, 13-geosyncline, 14-porcelain bushing shell, 15-fixture block.
Embodiment
Below in conjunction with example, the utility model is described in detail.
Clearance distance between extra-high voltage electrical equipment porcelain bushing shell mucilage binding position external diameter, porcelain bushing shell and flange mucilage binding height and flange and porcelain bushing shell and these parameter differences of common high voltage electric equipment are very large, cause bending stiffness and the calculated value at extra-high voltage electrical equipment flange mucilage binding position to differ greatly.In order to measure the crooked bendind rigidity of extra-high voltage, patent ultra-high voltage porcelain bushing pipe flange coupling arrangement of the present invention, as shown in Figure 1, this device is comprised of four systems respectively: be respectively anchor system, support system, loading system and measuring system.Anchor system is in order to fixing ultra-high voltage porcelain bushing pipe, and anchor system is comprised of anchor plate 1,2, anchor pole 3, geosyncline 13 and anchor bolt 4, as shown in Fig. 2 anchor structural representation; Support system is used for the supporting loading system, and support system is comprised of ∏ type support frame 6 and yi word pattern support girder 5, as shown in Fig. 3 support system structural representation; Loading system is used for applying power to ultra-high voltage porcelain bushing pipe 14, hangs title 8, loading blocks 9, wire rope 10 and the scale pan 11 by loading support 7, electronics and forms, and loading system concrete structure schematic diagram as shown in Figure 4; Measuring system is used for measuring the relative rotation at ultra-high voltage porcelain bushing pipe position, mainly is comprised of clock gauge 12 and electronic crane scale 8, as shown in Fig. 5 measuring system structural representation.
Embodiment 1: the design of measurement mechanism
The bending stiffness tester for testing at extra-high voltage electrical equipment flange mucilage binding position is comprised of four systems: be respectively anchor system, support system, loading system and measuring system.
Anchor system is in order to fixing ultra-high voltage porcelain bushing pipe, and anchor forms as shown in Figure 2, and this system is by upper anchor plate 1, lower anchor plate 2, and geosyncline 13, anchor pole 3 and anchor bolt 4 form.Upper anchor plate 1 anchor hole distribution schematic diagram as shown in Figure 6, lower anchor plate 2 anchor hole distribution schematic diagrams as shown in Figure 7, anchor plate 1 and anchor plate 2 have the anchor hole of two types, for different ultra-high voltage porcelain bushing pipe anchorings, namely before anchoring, the anchor hole of ultra-high voltage porcelain bushing pipe 14 and the anchor hole of anchor plate are compared, and the anchor plate that anchor hole is matched with ceramic pipe 14 anchor holes is put in the top of another anchor plate, does the use of anchoring ceramic pipe 14.Anchor plate 1,2 surface are rectangle, and at 4 Φ 60 anchor holes of four square position punishment cloth of anchor plate, anchor hole can pass anchor pole 3 in upper anchor plate 1,2, and anchor plate is fixed in geosyncline.There is the fixture block 15 of a capitate anchor pole 3 lower ends, and as shown in Fig. 8 anchor pole front view, the structural representation of geosyncline 13 is as described in accompanying drawing 14 and accompanying drawing 15, and accompanying drawing 14 is the vertical view of geosyncline 13, and accompanying drawing 15 is the sectional view of geosyncline 13.Geosyncline 13 designs with the form fit of anchor pole 3, first the short of the capitate fixture block 15 of anchor pole 3 is put into geosyncline 13 during installation, again fixture block 15 is turned to 90 degree in surface level, as shown in Figure 9, fixture block 15 is clamped in geosyncline 13, and the anchor bolt 4 of tightening at last anchor pole 3 upper ends is anchored at anchor pole 3 on geosyncline 13.Anchoring aperture on anchor plate 1 and 2 is used for fixing ultra-high voltage porcelain bushing pipe 14 use, by anchor bolt 4, ultra-high voltage porcelain bushing pipe 14 is anchored on anchor plate 1 or 2.
Loading system mainly forms by loading support 7, wire rope 10, loading blocks 9 and the scale pan 11; Wherein load support 7 structural representations as shown in figure 10, loading support 7 positions can determine according to the height of porcelain bushing shell, to guarantee porcelain bushing shell 14 tops and the wire rope 10 and the ground keeping parallelism that load between support 7.The wire rope 10 that loads between support 7 and the scale pan 11 is perpendicular to the ground.According to the size of the required loading force P of experiment, the loading blocks 9 of different quality is put into the scale pan 11, the loading force P of different sizes is provided.The effect of support girder 5 is the fixing supports 7 that load.
Support system is used for fixing loading system, and by the design of ∏ type support frame 6 and support girder 5 as shown in Figure 3, the effect of support frame 6 is fixed support girders 5.Axially symmetric structure centered by ∏ type support frame 6 is the left-right symmetric structure along central axis; Support girder 5 is the yi word pattern structure.Support system comprises that 2 distances between ∏ type support frame 6, two support frames 6 that be arranged in parallel are less than the length of yi word pattern support girder 5.The two ends of support girder 5 are individually fixed in the inside surface of the central axis position support frame 6 of support frame 6, support girder 5 is anchored on support frame 6 by leading screw and anchor bolt 4, during anchoring, the two ends of leading screw are all carried out fastening with 4 pairs of support girders of anchor bolt 5, loading system by leading screw with systematic anchorage on support girder 5.
Measuring system is comprised of electronic crane scale 8 and clock gauge 12, and electronic crane scale 8 is used for measuring the weight of loading, and clock gauge 12 is used for measuring the relative rotation θ at ultra-high voltage porcelain bushing pipe position.Electronic crane scale 8 is on the wire rope 10 between porcelain bushing shell 14 and loading support 7, concrete mounting means is: 1. first two bolts are passed in the hole of the upper flange plate of insulator and web member two web members are fixed, with the center of two web members of one section steel wire penetrating, and with buckle, wire rope is fixed.And then pass the middle part of first paragraph wire rope and the other end is connected with the hook of electronic crane scale with an end of second segment wire rope, snap lock is also used at the two ends of wire rope.At last, be connected with the other end of the 3rd section wire rope and electronic crane scale, the other end is connected with the scale pan, same two ends snap lock.
Embodiment 2: the installation method of test unit
The erection sequence of whole test is as follows, and specifically installation procedure figure is as shown in Figure 11:
(1) installation of anchor system
At first will two of up and down anchor plates 1 with anchor pole 3 and geosyncline 13 and 2 anchorings on the ground, according to the distribution of porcelain bushing shell 14 anchor holes, determine the upper-lower position of anchor plate 1 and 2, be complementary as criterion take anchor hole and porcelain bushing shell 14 anchor holes of anchor plate; After determining the upper-lower position of anchor plate 1 and 2, the short of the capitate fixture block 15 of anchor pole 3 is put into geosyncline 13, again fixture block 15 is turned to 90 degree in surface level, fixture block 15 is clamped in geosyncline 13, with anchor plate in order, the anchor hole of 4 Φ 60 of anchor plate is aimed at anchor pole 3, successively anchor plate parallel ground is placed into the relevant position, the anchor bolt 4 of tightening at last anchor pole 3 upper ends with anchor plate 1,2 and anchor pole 3 be anchored on geosyncline 13.Then with anchor bolt 4, porcelain bushing shell is anchored on anchor plate, simultaneously in order to prevent that upper anchor plate 1 and lower anchor plate 2 from sidesway occuring in loading procedure, adding reality with iron block in the up and down between two anchor plates, and tightening anchor pole 3 with anchor bolt 4 and make upper anchor plate 1 and lower anchor plate 2 clamping iron blocks.Anchor system adopts the design of two anchor plates, and the operation when can be fixing porcelain bushing shell 14 offers convenience, and namely during anchoring porcelain bushing shell 14, can operate by the space between two parallel anchor plates.The placement location that adds real iron block is avoided the anchor hole of porcelain bushing shell 14 as far as possible, in order to avoid the anchoring of porcelain bushing shell 14 is made troubles.
(2) installation of support and loading system
At first with screw mandrel and anchor bolt 4, support girder 5 is anchored on support frame 6, be guarantees the stressed homogeneity of support system, be provided with the hole of passing for leading screw that connects at vertical direction at the medium position of support girder 5.When loading system is installed, passes leading screw and will load support 7 with bolt from the hole of support girder 5 and be anchored on support girder 5.
(3) installation of measuring system
At first clock gauge 12 is arranged on the position that will measure, then uses the top of wire rope 10 1 end connecting porcelain bushings pipes, be connected on the scale pan 10 and the other end passes fixed pulley 18.
The installation method of electronic crane scale 8 is: respectively there is hook at the two ends of electronic crane scale 8, and the two ends of hook are connected with wire rope 10 respectively, and the wire rope 10 at two ends is used snap lock.
The installation method of clock gauge 12 is: at first clock gauge is fixed on magnetic stand, then the indicator of clock gauge is withstood on measured position, at last magnetic power meter is done gauge stand and be adsorbed on as shown in the figure top board.
According to specific exemplary embodiment, the utility model is described herein.To carry out suitable replacement under scope of the present utility model or revise will be apparent not breaking away to one skilled in the art.Exemplary embodiment is only illustrative, rather than to the restriction of scope of the present utility model, scope of the present utility model is by appended claim definition.
Claims (7)
1. bending stiffness proving installation, described device comprises anchor system, support system, loading system and measuring system, it is characterized in that:
Described anchor system comprises the geosyncline (13) that is arranged at ground, and the anchor plate of placement parallel to the ground (1,2) is for anchor pole (3) and the anchor bolt (4) of the described anchor plate of anchoring (1,2);
Described support system comprises ∏ type support frame (6) and is anchored in the yi word pattern support girder (5) of described support frame (6);
Described loading system comprises the loading support (7) that is anchored on described support girder (5), transmits the wire rope (10) of loading force, the scale pan (11) and loading blocks (9);
Described measuring system comprises that two ends connect respectively the electronic crane scale of described wire rope (10) (8) and are positioned at the gluey clock gauge (12) of locating of porcelain bushing shell (14).
2. a kind of bending stiffness proving installation as claimed in claim 1, is characterized in that the surface of described anchor plate (1,2) is rectangle, and place, four right angles of described rectangle arranges respectively anchor hole, described anchor hole size and anchor pole (3) size interference fit; The lower end of described anchor pole (3) is provided with capitate fixture block (15), and described fixture block (15) is used in conjunction with described geosyncline (13).
3. a kind of bending stiffness proving installation as claimed in claim 1, it is characterized in that described ∏ type support frame (6) is the left-right symmetric structure along central shaft, the two ends of described support girder (5) are individually fixed in ∏ type support frame (6) central axis position support frame (6) lower surface place.
4. a kind of bending stiffness proving installation as claimed in claim 1, it is characterized in that being connected by back-shaped wire rope (10) between the described scale pan (11) and electronic crane scale (8), the wire rope (10) between the described scale pan (11) and electronic crane scale (8) is supported by loading support (7); Be connected by back-shaped wire rope (10) between described electronic crane scale (8) and porcelain bushing shell (14) top.
5. a kind of bending stiffness proving installation as described in claim 1 or 4, it is characterized in that described wire rope (10) is to load support (7) as flex point, perpendicular to ground, be parallel to ground with described electronic crane scale (8) linkage section with the described scale pan (11) linkage section.
6. a kind of bending stiffness proving installation as described in claim 1 or 4 is characterized in that the wire rope (10) between described electronic crane scale (8) and porcelain bushing shell (14) top is parallel to ground.
7. a kind of bending stiffness proving installation as claimed in claim 1, it is characterized in that the plate face of described upper anchor plate (1) and lower anchor plate (2) is provided with the hole of different types, the anchor plate that the layout in described hole is corresponding with the layout in described porcelain bushing shell (14) hole is positioned at the top of described anchor system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220349754 CN202928893U (en) | 2012-07-18 | 2012-07-18 | Bending rigidity test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220349754 CN202928893U (en) | 2012-07-18 | 2012-07-18 | Bending rigidity test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202928893U true CN202928893U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220349754 Expired - Lifetime CN202928893U (en) | 2012-07-18 | 2012-07-18 | Bending rigidity test device |
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| Country | Link |
|---|---|
| CN (1) | CN202928893U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674730A (en) * | 2013-12-20 | 2014-03-26 | 中天科技海缆有限公司 | Bending rigidity testing device |
| CN109238874A (en) * | 2018-09-24 | 2019-01-18 | 天津市百瑞泰管业股份有限公司 | A kind of multi-functional metal hose measurer for curve rigid |
-
2012
- 2012-07-18 CN CN 201220349754 patent/CN202928893U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674730A (en) * | 2013-12-20 | 2014-03-26 | 中天科技海缆有限公司 | Bending rigidity testing device |
| CN103674730B (en) * | 2013-12-20 | 2015-12-30 | 中天科技海缆有限公司 | A kind of bending stiffness proving installation |
| CN109238874A (en) * | 2018-09-24 | 2019-01-18 | 天津市百瑞泰管业股份有限公司 | A kind of multi-functional metal hose measurer for curve rigid |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150916 Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee after: China Electric Power Research Institute Patentee after: State Grid Corporation of China Patentee after: STATE GRID SICHUAN ELECTRIC POWER Corp. Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee before: China Electric Power Research Institute Patentee before: State Grid Corporation of China |
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| CX01 | Expiry of patent term |
Granted publication date: 20130508 |
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| CX01 | Expiry of patent term |