CN104409984A - High-strength steel sectional material suitable for switch cabinet body - Google Patents
High-strength steel sectional material suitable for switch cabinet body Download PDFInfo
- Publication number
- CN104409984A CN104409984A CN201410837734.5A CN201410837734A CN104409984A CN 104409984 A CN104409984 A CN 104409984A CN 201410837734 A CN201410837734 A CN 201410837734A CN 104409984 A CN104409984 A CN 104409984A
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- CN
- China
- Prior art keywords
- section bar
- steel section
- curved portions
- sectional material
- rectangle steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/01—Frameworks
- H02B1/012—Details of mechanical connections
Abstract
The invention relates to a high-strength steel sectional material suitable for a switch cabinet body. The high-strength steel sectional material comprises a rectangular sectional material formed by a steel plate rolling mill, wherein a first U-shaped bending part and a second U-shaped bending part are mutually occluded and formed at the closed part of the rectangular sectional material, a plurality of circular installing holes are formed in the installing surface of the rectangular sectional material, an anti-dropping device is arranged at the rear part of the first U-shaped bending part, a stretching device inwards stretches from the inner sides of the circular installing holes, upper reinforcing ribs are arranged on the surface opposite to the closed part of the rectangular sectional material, and lower reinforcing ribs are arranged on the surface which is identical to the closed part of the rectangular sectional material. The high-strength steel sectional material has the advantages that the anti-drop device is arranged at the closed part of the rectangular steel sectional material, so that a connecting part of the sectional material cannot drop when the sectional material is extruded; the stretching device stretches from the inner sides of the circular installing holes, so that the installing reliability of fastening bolts is ensured; the strength of the sectional material is further improved due to the upper reinforcing ribs and the lower reinforcing ribs, so that the dynamic stability and the cabinet strength are improved, and the requirements of high strength and dynamic stabilizing power can be met.
Description
Technical field
In the present invention relates to, low-voltage switch cabinet manufacture field, especially a kind of high strength steel section bar being applicable to switch cabinet.
Background technology
Along with the development of domestic distribution technique, existing steel profile has a variety of, most typical is the C-type steel that ABB AB designs and develops and the multiple special-shaped C-type steel material developing exploitation on this steel profile basis, and widely, its structure is simple, it is flexible, easy for installation to combine for the application of the steel profile of this structure.
But because this steel material structure is simple, the rear rigidity of its combination, intensity are all poor, composition rack back loading is limited in one's ability, after being particularly used in the power distribution cabinet in electric power primary equipment in a large number, due to its Dynamic stability ability, rack intensity is also inadequate, so can not meet the requirement of high strength Dynamic stability ability.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide that a kind of Dynamic stability ability is strong, rack intensity is comparatively large and the high strength steel section bar being applicable to switch cabinet of high strength Dynamic stability Capability Requirement can be met.
Technical scheme of the present invention is achieved in that a kind of high strength steel section bar being applicable to switch cabinet, comprise by the shaping rectangle steel section bar of sheet rolling mill, the closed place of this rectangle steel section bar is engaged shaping by the first U-shaped kink and the second U-shaped kink mutually, the installed surface of described rectangle steel section bar is provided with several circular mounting hole, it is characterized in that: the rear portion of the described first U-shaped kink is provided with anti-drop device, this anti-drop device comprises the first curved portions connected successively, first contact part and the second curved portions, this first curved portions is connected with rectangle steel section bar, the rear portion of the first contact part and the first U-shaped kink is inconsistent, second curved portions is connected with the second U-shaped kink, the inner side of this circular mounting hole has inwardly stretched stretching device, the convergence part that this stretching device comprises cylindric pedestal and is connected with cylindric pedestal, the curved shape in junction of the installed surface of this convergence part and rectangle steel section bar, the opposite face at the closed place of described rectangle steel section bar is provided with reinforcement, the opposite face at the closed place of this rectangle steel section bar be also provided with frame installation fixing hole and spell cabinet accessory mounting apertures, frame installation fixing hole and spelling cabinet accessory mounting apertures are covered on reinforcement, the coplanar at the closed place of rectangle steel section bar is provided with lower reinforcement.
Be preferably, be provided with location hole between described adjacent circular mounting hole, this location hole is square-shaped.
By adopting technique scheme, at the closed place of rectangle steel section bar, anti-drop device is set, when guaranteeing that section bar is squeezed, junction is unlikely to depart from, in circular mounting hole, side stretching has stretching device, guarantee the reliability that trip bolt is installed, upper reinforcement and lower reinforcement further increase the intensity of section bar, thus improve Dynamic stability ability and rack intensity, can meet high strength Dynamic stability Capability Requirement.
The present invention is set to further: described upper reinforcement is identical with lower reinforcing rib structure, on this, reinforcement is the arc shape structure of depression, on this, reinforcement comprises the 3rd curved portions, protrusion and the 4th curved portions that connect successively, the outer face of this protrusion is the semicircle cambered surface of connection the 3rd curved portions and the 4th curved portions, and the inner face of protrusion is the dashpot of connection the 3rd curved portions and the 4th curved portions.
By adopting technique scheme, on this, reinforcement and lower reinforcement further increase the bulk strength of rectangle steel section bar, 3rd curved portions, the arc shape structure that protrusion and the 4th curved portions are formed is effectively when rectangle steel section bar is squeezed, there is the surplus of contraction, be unlikely to directly to rupture when being squeezed, thus damage rectangle steel section bar, and this arc shape structure has the restoring force of outwards bounce-back when being squeezed, thus ensure that the bulk strength of arc shape structure, and the inner face of protrusion is provided with dashpot, further arc shape structure is played to the effect of buffering, the restoring force of outwards bounce-back is had when arc shape structure is squeezed, the bulk strength of further increase arc shape structure, thus improve the bulk strength of rectangle steel section bar.
The present invention is also set to further: the first described contact part is inclined-plane towards the end face of the first U-shaped kink, and the junction of this inclined-plane and the second curved portions is minimum point, and the junction of this inclined-plane and the first U-shaped kink is peak.
By adopting technique scheme, this first contact part is set to inclined-plane, when the closed place of rectangle steel section bar is squeezed, first U-shaped kink can be subject to the guiding on inclined-plane, make the first U-shaped kink toward the second curved portions direction motion of anti-drop device, not easily skid off anti-drop device, further ensure the stability at the closed place of rectangle steel section bar.
The present invention is also set to further: the curved shape of described dashpot, and the radian of this arc shape is 133-153 degree.
By adopting technique scheme, by the arc shape of this dashpot, the radian of arc shape is set to 133-153 degree best; If when the radian of this arc shape is less than 133 degree, now the angle at this place is less, makes the buffer capacity of the dashpot at this place less, the requirement of resilience cannot be met; And when the radian of arc shape is greater than 153 degree, now the angle at this place is comparatively large, because the buffer capacity of the dashpot at this place is comparatively large, the consequence of transition deformation can be there is, the shape of rectangle steel section bar is out of shape, so it is best the radian of dashpot to be set to 133-153 degree.
The present invention is also set to further: the sidewall of described rectangle steel section bar is provided with spells cabinet position indicator hole, this spelling cabinet position indicator hole is corresponding with spelling cabinet accessory mounting apertures to be arranged, the installed surface of rectangle steel section bar is provided with modulus index aperture, this modulus index aperture is corresponding with location hole to be arranged.
By adopting technique scheme, spell cabinet position indicator hole and facilitate realization between cabinet and cabinet, modulus index aperture is convenient to the determination realizing modulus.
Accompanying drawing explanation
Fig. 1 is specific embodiment of the invention structure schematic side view;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the B portion enlarged drawing of Fig. 1;
Fig. 4 is specific embodiment of the invention perspective view;
Fig. 5 is specific embodiment of the invention stereochemical structure partial schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
As Figure 1-Figure 5, the invention discloses a kind of high strength steel section bar being applicable to switch cabinet, comprise by the shaping rectangle steel section bar 1 of sheet rolling mill, the closed place of this rectangle steel section bar 1 is engaged shaping by the first U-shaped kink 2 and the second U-shaped kink 3 mutually, the installed surface of described rectangle steel section bar 1 is provided with several circular mounting hole 15, in the specific embodiment of the invention, the rear portion of the described first U-shaped kink 2 is provided with anti-drop device, this anti-drop device comprises the first curved portions 41 connected successively, first contact part 42 and the second curved portions 43, this first curved portions 41 is connected with rectangle steel section bar 1, the rear portion of the first contact part 42 and the first U-shaped kink 2 is inconsistent, second curved portions 43 is connected with the second U-shaped kink 3, the inner side of this circular mounting hole 15 has inwardly stretched stretching device, the convergence part 81 that this stretching device comprises cylindric pedestal 82 and is connected with cylindric pedestal 82, the curved shape in junction of the installed surface of this convergence part 81 and rectangle steel section bar 1, the opposite face at the closed place of described rectangle steel section bar 1 is provided with reinforcement 5, the opposite face at the closed place of this rectangle steel section bar be also provided with frame installation fixing hole 11 and spell cabinet accessory mounting apertures 12, frame installation fixing hole 11 and spelling cabinet accessory mounting apertures 12 are covered on reinforcement 5, the coplanar at the closed place of rectangle steel section bar 1 is provided with lower reinforcement 7, location hole 13 is provided with between described adjacent circular mounting hole 15, this location hole 13 is square-shaped.
By adopting technique scheme, at the closed place of rectangle steel section bar, anti-drop device is set, wherein conflicted in the first contact part and the first U-shaped kink, thus position-limiting action is played to the position of the first U-shaped kink, when section bar is squeezed, first U-shaped kink can not skid off, when guaranteeing that section bar is squeezed, junction is unlikely to depart from, in circular mounting hole, side stretching has stretching device, increase the intensity at circular mounting hole place, and cylindric pedestal is covered in the inwall of steel, increase the thickness that trip bolt is fixing, make this place not yielding, guarantee the reliability that trip bolt is installed, upper reinforcement and lower reinforcement further increase the intensity of section bar, thus improve Dynamic stability ability and rack intensity, high strength Dynamic stability Capability Requirement can be met, and frame installation fixing hole and spelling cabinet accessory mounting apertures are covered on upper reinforcement, upper reinforcement is to frame installation fixing hole and spell the effect that cabinet accessory mounting apertures plays reinforcement intensity, make frame installation fixing hole and spell cabinet accessory mounting apertures not yielding when being squeezed, topology layout is more reasonable.
In the specific embodiment of the invention, described upper reinforcement 5 is identical with lower reinforcement 7 structure, on this, reinforcement 5 is the arc shape structure of depression, on this, reinforcement 5 comprises the 3rd curved portions 51, protrusion 52 and the 4th curved portions 53 that connect successively, the outer face of this protrusion 52 is the semicircle cambered surface of connection the 3rd curved portions and the 4th curved portions, and the inner face of protrusion 52 is the dashpot 54 of connection the 3rd curved portions and the 4th curved portions.
By adopting technique scheme, on this, reinforcement and lower reinforcement further increase the bulk strength of rectangle steel section bar, 3rd curved portions, the arc shape structure that protrusion and the 4th curved portions are formed is effectively when rectangle steel section bar is squeezed, there is the surplus of contraction, be unlikely to directly to rupture when being squeezed, thus damage rectangle steel section bar, and this arc shape structure has the restoring force of outwards bounce-back when being squeezed, thus ensure that the bulk strength of arc shape structure, and the inner face of protrusion is provided with dashpot, further arc shape structure is played to the effect of buffering, the restoring force of outwards bounce-back is had when arc shape structure is squeezed, the bulk strength of further increase arc shape structure, thus improve the bulk strength of rectangle steel section bar.
In the specific embodiment of the invention, the first described contact part 42 is inclined-plane towards the end face of the first U-shaped kink 2, and the junction of this inclined-plane and the second curved portions 43 is minimum point, and the junction of this inclined-plane and the first U-shaped kink 2 is peak.
By adopting technique scheme, this first contact part is set to inclined-plane, when the closed place of rectangle steel section bar is squeezed, first U-shaped kink can be subject to the guiding on inclined-plane, make the first U-shaped kink toward the second curved portions direction motion of anti-drop device, not easily skid off anti-drop device, further ensure the stability at the closed place of rectangle steel section bar.
In the specific embodiment of the invention, the described curved shape of dashpot 54, the radian of this arc shape is 133-153 degree.
By adopting technique scheme, by the arc shape of this dashpot, the radian of arc shape is set to 133-153 degree best; If when the radian of this arc shape is less than 133 degree, now the angle at this place is less, makes the buffer capacity of the dashpot at this place less, the requirement of resilience cannot be met; And when the radian of arc shape is greater than 153 degree, now the angle at this place is larger, because the buffer capacity of the dashpot at this place is larger, the consequence of transition deformation can be there is, the shape of rectangle steel section bar is out of shape, so it is best the radian of dashpot to be set to 133-153 degree, when wherein the radian of dashpot being set to 143 degree, buffering effect is best, has rational rebound effect.
In the specific embodiment of the invention, the sidewall of described rectangle steel section bar 1 is provided with spells cabinet position indicator hole 14, this spelling cabinet position indicator hole 14 is corresponding with spelling cabinet accessory mounting apertures 12 to be arranged, the installed surface of rectangle steel section bar is provided with modulus index aperture 6, this modulus index aperture 6 is corresponding with location hole 13 to be arranged.
By adopting technique scheme, spell cabinet position indicator hole and facilitate realization between cabinet and cabinet, modulus index aperture is convenient to the determination realizing modulus.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. one kind is applicable to the high strength steel section bar of switch cabinet, comprise by the shaping rectangle steel section bar of sheet rolling mill, the closed place of this rectangle steel section bar is engaged shaping by the first U-shaped kink and the second U-shaped kink mutually, the installed surface of described rectangle steel section bar is provided with several circular mounting hole, it is characterized in that: the rear portion of the described first U-shaped kink is provided with anti-drop device, this anti-drop device comprises the first curved portions connected successively, first contact part and the second curved portions, this first curved portions is connected with rectangle steel section bar, the rear portion of the first contact part and the first U-shaped kink is inconsistent, second curved portions is connected with the second U-shaped kink, the inner side of this circular mounting hole has inwardly stretched stretching device, the convergence part that this stretching device comprises cylindric pedestal and is connected with cylindric pedestal, the curved shape in junction of the installed surface of this convergence part and rectangle steel section bar, the opposite face at the closed place of described rectangle steel section bar is provided with reinforcement, the opposite face at the closed place of this rectangle steel section bar be also provided with frame installation fixing hole and spell cabinet accessory mounting apertures, frame installation fixing hole and spelling cabinet accessory mounting apertures are covered on reinforcement, the coplanar at the closed place of rectangle steel section bar is provided with lower reinforcement.
2. the high strength steel section bar being applicable to switch cabinet according to claim 1, it is characterized in that: described upper reinforcement is identical with lower reinforcing rib structure, on this, reinforcement is the arc shape structure of depression, on this, reinforcement comprises the 3rd curved portions, protrusion and the 4th curved portions that connect successively, the outer face of this protrusion is the semicircle cambered surface of connection the 3rd curved portions and the 4th curved portions, and the inner face of protrusion is the dashpot of connection the 3rd curved portions and the 4th curved portions.
3. the high strength steel section bar being applicable to switch cabinet according to claim 1, is characterized in that: the first described contact part is inclined-plane towards the end face of the first U-shaped kink, and the junction of this inclined-plane and the second curved portions is minimum point.
4. the high strength steel section bar being applicable to switch cabinet according to claim 2, is characterized in that: the curved shape of described dashpot, the radian of this arc shape is 133-153 degree.
5. the high strength steel section bar being applicable to switch cabinet according to claim 1 or 2 or 3 or 4, is characterized in that: be provided with location hole between described adjacent circular mounting hole, this location hole is square-shaped.
6. the high strength steel section bar being applicable to switch cabinet according to claim 1 or 2 or 3 or 4, it is characterized in that: the sidewall of described rectangle steel section bar is provided with spells cabinet position indicator hole, this spelling cabinet position indicator hole is corresponding with spelling cabinet accessory mounting apertures to be arranged, the installed surface of rectangle steel section bar is provided with modulus index aperture, this modulus index aperture is corresponding with location hole to be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410837734.5A CN104409984B (en) | 2014-12-29 | 2014-12-29 | A kind of high strength steel section bar being applicable to switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410837734.5A CN104409984B (en) | 2014-12-29 | 2014-12-29 | A kind of high strength steel section bar being applicable to switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104409984A true CN104409984A (en) | 2015-03-11 |
| CN104409984B CN104409984B (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410837734.5A Active CN104409984B (en) | 2014-12-29 | 2014-12-29 | A kind of high strength steel section bar being applicable to switch cabinet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887791A (en) * | 2015-12-15 | 2017-06-23 | 万控集团有限公司 | A kind of Steel Structure of switch cubicle |
| CN110212411A (en) * | 2019-04-12 | 2019-09-06 | 湖南南洋电气有限公司 | Electrical cabinet main frame profile and its main frame structure |
| CN110985873A (en) * | 2019-03-29 | 2020-04-10 | 辛柏机械技术(太仓)有限公司 | Column section bar |
| WO2022022130A1 (en) * | 2020-07-31 | 2022-02-03 | 上海铁路通信有限公司 | Frame profile for cabinet |
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| CN202679878U (en) * | 2012-07-20 | 2013-01-16 | 万控集团有限公司 | A profile used for electrical and electronic equipment |
| CN202750370U (en) * | 2012-09-14 | 2013-02-20 | 万控集团有限公司 | Enclosed rectangular profile of electrical and electronic equipment |
| CN203475698U (en) * | 2013-10-08 | 2014-03-12 | 林锋 | Rectangular metal sectional material formed integrally and provided with U-shaped meshing port |
| CN204315947U (en) * | 2014-12-29 | 2015-05-06 | 万控集团有限公司 | A kind of high strength steel section bar being applicable to switch cabinet |
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2014
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Patent Citations (8)
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| CN2337288Y (en) * | 1998-05-08 | 1999-09-08 | 王宗立 | Corner structural section |
| CN200979066Y (en) * | 2006-11-30 | 2007-11-21 | 北京英豪阳光太阳能工业有限公司 | Fastener type tubular section bar |
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| CN203475698U (en) * | 2013-10-08 | 2014-03-12 | 林锋 | Rectangular metal sectional material formed integrally and provided with U-shaped meshing port |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887791A (en) * | 2015-12-15 | 2017-06-23 | 万控集团有限公司 | A kind of Steel Structure of switch cubicle |
| CN106887791B (en) * | 2015-12-15 | 2019-04-16 | 万控智造浙江电气有限公司 | A kind of Steel Structure of switchgear |
| CN110985873A (en) * | 2019-03-29 | 2020-04-10 | 辛柏机械技术(太仓)有限公司 | Column section bar |
| CN110212411A (en) * | 2019-04-12 | 2019-09-06 | 湖南南洋电气有限公司 | Electrical cabinet main frame profile and its main frame structure |
| WO2022022130A1 (en) * | 2020-07-31 | 2022-02-03 | 上海铁路通信有限公司 | Frame profile for cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104409984B (en) | 2016-09-21 |
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Effective date of registration: 20171128 Address after: Wenzhou Bridge Industrial Park Yueqing City, Zhejiang province 325600 white town of Wenzhou city (Wankong Group Co.) Patentee after: WECOME INTELLIGENT MANUFACTURING ZHEJIANG ELECTRIC CO.,LTD. Address before: 325000 Wenzhou Bridge Industrial Park, North white elephant Town, Yueqing City, Wenzhou, Zhejiang Patentee before: WECOME GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
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Address after: Wenzhou Bridge Industrial Park Yueqing City, Zhejiang province 325600 white town of Wenzhou city (Wankong Group Co.) Patentee after: Wancon Zhizhuang Co.,Ltd. Address before: Wenzhou Bridge Industrial Park Yueqing City, Zhejiang province 325600 white town of Wenzhou city (Wankong Group Co.) Patentee before: WECOME INTELLIGENT MANUFACTURING ZHEJIANG ELECTRIC CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20150311 Assignee: Changshu Switchgear Mfg. Co.,Ltd.(Former Changshu Switchgear Plant) Assignor: Wancon Zhizhuang Co.,Ltd. Contract record no.: X2023980034051 Denomination of invention: A high-strength steel profile suitable for switchgear bodies Granted publication date: 20160921 License type: Common License Record date: 20230324 |
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| EE01 | Entry into force of recordation of patent licensing contract |