CN107887856A - High-strength light crane span structure - Google Patents
High-strength light crane span structure Download PDFInfo
- Publication number
- CN107887856A CN107887856A CN201711104080.5A CN201711104080A CN107887856A CN 107887856 A CN107887856 A CN 107887856A CN 201711104080 A CN201711104080 A CN 201711104080A CN 107887856 A CN107887856 A CN 107887856A
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- Prior art keywords
- crane span
- span structure
- plate
- electromagnetic shielding
- cell body
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present invention relates to field of mechanical technique.High-strength light crane span structure, including a crane span structure, crane span structure include a cell body, and cell body includes plastic substrate made of a flame retardant plastics；It is embedded with an aluminum reinforcement in plastic substrate, aluminum reinforcement is one to open up meshed plate body, and the thickness direction of the internal diameter of mesh along plate body successively decreases after being gradually incremented by.Structure of the invention by optimizing crane span structure, by crane span structure made of conventional metals, improve to be embedded with the plastic substrate of aluminum reinforcement, while being easy to ensure self-strength, mitigate the weight of crane span structure, be readily transported.In addition, the present invention is embedded with aluminum reinforcement by inside can also realize the effect of electromagnetic shielding.In addition, by the structure of mesh, it is easy to ensure the combined strength bination of both aluminum reinforcement and plate body.
Description
Technical field
The present invention relates to field of mechanical technique, and in particular to crane span structure.
Background technology
Crane span structure is a kind of support for being used to supporting and placing cable.Crane span structure includes the cell body and cover plate of an accommodating cable.
For cable testing bridge due to the demand of itself, most of made using metal, can so ensure it
The intensity of body, but In the view of at present, because the cost of iron and steel raw material is increased, while directly use master of the metal as crane span structure
Material, such crane span structure own wt is larger, not readily transportable.
The content of the invention
It is an object of the present invention to provide high-strength light crane span structure, solves at least one technical problem above.
Technical problem solved by the invention can be realized using following technical scheme：
High-strength light crane span structure, including a crane span structure, the crane span structure include a cell body, it is characterised in that the cell body includes
Plastic substrate made of one flame retardant plastics；
An aluminum reinforcement is embedded with the plastic substrate, the aluminum reinforcement opens up meshed plate body for one,
Thickness direction of the internal diameter of the mesh along plate body successively decreases after being gradually incremented by.
Structure of the invention by optimizing crane span structure, by crane span structure made of conventional metals, improve and strengthen to be embedded with aluminum
The plastic substrate of muscle, while being easy to ensure self-strength, mitigate the weight of crane span structure, be readily transported.In addition, the present invention is by interior
Portion, which is embedded with aluminum reinforcement, can also realize the effect of electromagnetic shielding.In addition, by the structure of mesh, it is easy to ensure that aluminum adds
The combined strength bination of both strengthening tendons and plate body.
Plastic substrate includes the raw material of following mass percent：40%~50%PVC, 20%~30% expanded perlite,
20%~30% aeroge, 2%~5% binding agent, 1%~2% antimitotic agent are 1%~3% ceramic fibre, 1%~3% poly- different
Cyclobutenyl succimide.
Proportioning of the invention by optimizing plastic substrate, while realizing anti-flammability, ensure the effect of lightweight, in addition, this
Invention while ensureing the intensity and lightening effect of plastic substrate, by the micropore of aeroge, is easy to by having additional aeroge
The infiltration of ceramic fibre, increase intensity, further, improve fire protecting performance.
Plastic substrate also includes 6%~8% capsaicine.The present invention realizes the effect of insect prevention, kept away by having additional capsaicine
Caused by exempting from worm ant hole food the problem of intensity decreases.In addition, the anti-uv-ray for adding the plastic substrate of capsaicine is compared
The anti-uv-ray for being not provided with capsaicine is strong.
Plastic substrate also includes 2%~3% lithium metal.While proof strength, increase the effect of electromagnetic shielding.
The crane span structure also includes a lid, and the cell body surrounds the cavity of a placement cable, the cell body with the lid
Inner side with one made of electromagnetic shielding plastic electromagnetic shielding mechanism be slidably connected, be used as one point using the electromagnetic shielding mechanism
Every mechanism, cavity is separated into the upper chamber above partition by the partition, below partition under
Chamber；
Length direction using the plastic bridge rack is front and rear, and wearing for a front and rear conducting is offered on the electromagnetic shielding mechanism
Wire casing.
Structure of the invention by optimizing traditional plastic bridge rack, being detachably connected for electromagnetic shielding mechanism is easy to implement,
Further, effectiveness is improved, in addition, according to different demands, decides whether that electromagnetic shielding mechanism is installed.
In addition, the present invention divides chamber to handle plastic bridge rack by electromagnetic shielding mechanism and then realization, it is easy to different type
Cable pass through different chambers, be easy to the combing of cable.The cable that being directed to needs to be electromagnetically shielded is contained in electromagnetic shielding machine
In Wire channel in building in structure, ensure effectiveness.
The left side of the electromagnetic shielding mechanism is the first front and rear strip groove provided with length direction；The electromagnetic shielding machine
The right side of structure is the second front and rear strip groove provided with length direction；
The cell body includes a bottom plate, left plate and right plate at left and right sides of bottom plate, the inner side of the left plate
Provided with the first strip projected parts to match with first strip groove, the inner side of the right plate is provided with and second strip
Second strip projected parts of groove match.
It is easy to implement the relative slip of both electromagnetic shielding mechanism and cell body.
The inside of the cell body is further fixed on a supporting plate for being used to support electromagnetic shielding mechanism, and the supporting plate is provided with
Through hole；
When the electromagnetic shielding mechanism is arranged in cell body, the lower surface of the electromagnetic shielding mechanism and the supporting plate
Upper surface offsets.
The present invention further improves fixed effect of the electromagnetic shielding mechanism in cell body by supporting plate.Pass through through hole section
About cost.
A teflon coatings are coated with the outer surface of the electromagnetic shielding mechanism；
The inwall of the Wire channel in building is also coated with a teflon coatings.
The present invention has additional a teflon coatings, realizes the insulation processing of electromagnetic shielding mechanism, improves security.
The left and right sides is equipped with the fixed plate for fixing rubber band on the lid,
The left plate is equipped with reclinate hook with the right plate.
Rubber band by being set on hook, and then, realize the fixation of lid and cell body relative position.
Two rubber bands of symmetrical arrangement are fixed with lid at interval of 50cm.Fixed on cell body at interval of 50cm
There is the hook of symmetrical arrangement.
The fixed plate is provided with the groove for being used for fixing rubber band, and the groove surrounds C fonts use with the lid
In the passage for accommodating rubber band.After rubber band is embedded in groove, fixed plate is fixed on lid, and then realize rubber band
It is fixed.
The left side of the lid is connected with the left plate by a rotating shaft；
Right side is provided with the fixed plate for being used for fixing rubber band on the lid,
The right plate is provided with reclinate hook.
It is easy to implement that cell body is integrated with lid, realizes cell body installation synchronous with lid and fixed.
Brief description of the drawings
Fig. 1 is a kind of sectional view of the present invention；
Fig. 2 is a kind of structural representation of the present invention；
Fig. 3 is another structural representation of the present invention；
Fig. 4 is another structural representation of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction, which is specifically illustrating, is expanded on further the present invention.
Reference picture 1, Fig. 2, Fig. 3, Fig. 4, high-strength light crane span structure, including a crane span structure, crane span structure include a cell body, and cell body includes
Plastic substrate 21 made of one flame retardant plastics；An aluminum reinforcement 23 is embedded with plastic substrate 21, aluminum reinforcement 23 is one
Offer the plate body of mesh 22, the thickness direction of the internal diameter of mesh 22 along plate body successively decreases after being gradually incremented by.The present invention is by excellent
Change the structure of crane span structure, by crane span structure made of conventional metals, improve to be embedded with the plastic substrate 21 of aluminum reinforcement 23, be easy to
While ensureing self-strength, mitigate the weight of crane span structure, be readily transported.Strengthen in addition, the present invention is embedded with aluminum by inside
Muscle 23 can also realize the effect of electromagnetic shielding.In addition, by the structure of mesh 22, it is easy to ensure aluminum reinforcement 23 and plate body
Both combined strength binations.
Plastic substrate 21 includes the raw material of following mass percent：40%~50%PVC, 20%~30% expanded pearlite
Rock, 20%~30% aeroge, 2%~5% binding agent, 1%~2% antimitotic agent, 1%~3% ceramic fibre, 1%~3%
Polyisobutylene succinamide.Proportioning of the invention by optimizing plastic substrate 21, while realizing anti-flammability, ensure lightweight
Effect, in addition, the present invention while ensureing the intensity and lightening effect of plastic substrate 21, is passed through by having additional aeroge
The micropore of aeroge, it is easy to the infiltration of ceramic fibre, increases intensity, further, improves fire protecting performance.
Plastic substrate also includes 6%~8% capsaicine.The present invention realizes the effect of insect prevention, kept away by having additional capsaicine
Caused by exempting from worm ant hole food the problem of intensity decreases.In addition, the anti-uv-ray for adding the plastic substrate of capsaicine is compared
The anti-uv-ray for being not provided with capsaicine is strong.
Plastic substrate also includes 2%~3% lithium metal.While proof strength, increase the effect of electromagnetic shielding.
As a kind of preferred scheme, plastic substrate 21 includes the raw material of following mass percent：40%PVC, 20% expansion
Perlite, 20% aeroge, 5% binding agent, 2% antimitotic agent, 3% ceramic fibre, 2% polyisobutylene succinamide, 8%
Capsaicine, 2% lithium metal.Using above-mentioned formula, while ensureing anti-electromagnetic shielding capability, ensure lighting processing.In addition, also
Can be with multiple performances such as anti-flammability, antiultraviolets.
As another preferred scheme, in addition to 2%~3% carbonated water.Plastic substrate 21 includes following mass percent
Raw material：40%PVC, 20% expanded perlite, 20% aeroge, 5% binding agent, 2% antimitotic agent, 3% ceramic fibre, 1%
Polyisobutylene succinamide, 6% capsaicine, 3% carbonated water.Excellent fireproof performance.Carbon dioxide in carbonated water
The micropore in big aeroge can be supportted, and then is realized in rest materials infiltration into microporous, realizes the uniformity of distribution.
Referring to Fig. 2, crane span structure also includes a lid 2, and cell body 1 surrounds the cavity of a placement cable with lid 2, cell body 1 it is interior
Side with one made of electromagnetic shielding plastic electromagnetic shielding mechanism be slidably connected, using electromagnetic shielding mechanism as a partition,
Cavity is separated into the upper chamber 7 above partition by partition, the lower chambers 8 below partition；With modeling
The length direction of bridge frame is front and rear, and the Wire channel in building 5 of a front and rear conducting is offered on electromagnetic shielding mechanism.The present invention passes through optimization
The structure of traditional plastic bridge rack, being detachably connected for electromagnetic shielding mechanism is easy to implement, further, improves electromagnetic shielding effect
Fruit, in addition, according to different demands, decide whether that electromagnetic shielding mechanism is installed.In addition, the present invention is by being electromagnetically shielded machine
Structure so realize divide chamber to handle plastic bridge rack, be easy to different types of cable to pass through different chambers, be easy to the comb of cable
Reason.The cable that being directed to needs to be electromagnetically shielded is contained in the Wire channel in building in electromagnetic shielding mechanism, ensures effectiveness.Electricity
The left side of magnetic screen mechanism is the first front and rear strip groove provided with length direction；The right side of electromagnetic shielding mechanism is provided with length side
To for the second front and rear strip groove；Cell body 1 includes a bottom plate, left plate and right plate at left and right sides of bottom plate, left side
The inner side of plate is provided with the first strip projected parts 3 to match with the first strip groove, and the inner side of right plate is provided with recessed with the second strip
The second strip projected parts 4 that groove matches.It is easy to implement the relative slip of electromagnetic shielding mechanism and both cell bodies 1.
The inside of cell body 1 is further fixed on a supporting plate 6 for being used to support electromagnetic shielding mechanism, and supporting plate 6 is provided with through hole；
When electromagnetic shielding mechanism is arranged in cell body 1, the lower surface of electromagnetic shielding mechanism and the upper surface of supporting plate offset.
The present invention further improves fixed effect of the electromagnetic shielding mechanism in cell body 1 by supporting plate.Pass through through hole section
About cost.
A teflon coatings are coated with the outer surface of electromagnetic shielding mechanism；The inwall of Wire channel in building is also coated with a Teflon
Coating.The present invention has additional a teflon coatings, realizes the insulation processing of electromagnetic shielding mechanism, improves security.
Referring to Fig. 3, the left and right sides is equipped with the fixed plate 9 for fixing rubber band 10, left plate and right plate on lid 2
It is equipped with reclinate hook 11.Rubber band 10 is linked up with 11 by being set in, and then, realize lid 2 with cell body 1 with respect to position
The fixation put.Two rubber bands of symmetrical arrangement are fixed with lid 2 at interval of 50cm.Consolidate on cell body 1 at interval of 50cm
Surely there is the hook of symmetrical arrangement.Fixed plate is provided with the groove for being used for fixing rubber band, and groove surrounds a C words with lid 2
Shape is used for the passage for accommodating rubber band.After rubber band is embedded in groove, fixed plate is fixed on lid 2, and then realize rubber
The fixation of rubber band.
The left side of lid 2 is connected with left plate by a rotating shaft；Right side is provided with the fixation for being used for fixing rubber band on lid 2
Plate, right plate are provided with reclinate hook.It is easy to implement that cell body 1 is integrated with lid 2, realizes the same of cell body 1 and lid 2
Step installation is with fixing.
As a kind of preferred scheme, referring to Fig. 4, the lower surfaces of the first strip projected parts 3 and the second strip projected parts 4 with support
The upper surface of plate 6 is connected.The width of rebate of cell body is more than slot bottom width, and the width of cell body gradually successively decreases from top to bottom.Electromagnetic screen
The top for covering mechanism is provided with through hole, and the spacing of adjacent through-holes is 4cm~6cm.While cost-effective, by through hole, it is easy to use
Electromagnetic shielding mechanism is taken out at family from the notch of top.The left side of lid 2 is connected with left plate by a rotating shaft；Lid 2 is upper right
Side is provided with the fixed plate 9 for being used for fixing rubber band 10, and right plate is provided with reclinate hook 11.It is easy to implement cell body 1 and lid
The integration of body 2, realize the installation synchronous with lid 2 of cell body 1 and fix.Fixed plate, which is provided with, to be used to fix the recessed of rubber band
Groove, groove surround passage of the C fonts for accommodating rubber band with lid 2.After rubber band is embedded in groove, fixed plate is consolidated
It is scheduled on lid 2, and then realizes the fixation of rubber band.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. high-strength light crane span structure, including a crane span structure, the crane span structure includes a cell body, it is characterised in that the cell body includes one
Plastic substrate made of flame retardant plastics；
An aluminum reinforcement is embedded with the plastic substrate, the aluminum reinforcement opens up meshed plate body for one, described
Thickness direction of the internal diameter of mesh along plate body successively decreases after being gradually incremented by.
2. high-strength light crane span structure according to claim 1, it is characterised in that：Plastic substrate includes following mass percent
Raw material：40%~50%PVC, 20%~30% expanded perlite, 20%~30% aeroge, 2%~5% binding agent, 1%
~2% antimitotic agent, 1%~3% ceramic fibre, 1%~3% polyisobutylene succinamide.
3. high-strength light crane span structure according to claim 1, it is characterised in that：Plastic substrate also includes 6%~8% capsicum
Element.
4. high-strength light crane span structure according to claim 1, it is characterised in that：Plastic substrate also includes 2%~3% metal
Lithium.
5. high-strength light crane span structure according to claim 1, it is characterised in that：The crane span structure also includes a lid, described
Cell body and the lid surround the cavity of a placement cable, the inner side of the cell body with one made of electromagnetic shielding plastic electromagnetism
Shielding body is slidably connected, and using the electromagnetic shielding mechanism as a partition, cavity is separated into place by the partition
Upper chamber above partition, the lower chambers below partition；
Length direction using the plastic bridge rack is front and rear, and the threading of a front and rear conducting is offered on the electromagnetic shielding mechanism
Groove.
6. high-strength light crane span structure according to claim 1, it is characterised in that：The left side of the electromagnetic shielding mechanism is provided with
Length direction is the first front and rear strip groove；The right side of the electromagnetic shielding mechanism is front and rear Article 2 provided with length direction
Shape groove；
The cell body includes a bottom plate, left plate and right plate at left and right sides of bottom plate, and the inner side of the left plate is provided with
The first strip projected parts to match with first strip groove, the inner side of the right plate are provided with and second strip groove
The second strip projected parts to match.
7. high-strength light crane span structure according to claim 1, it is characterised in that：The inside of the cell body is further fixed on a use
In the supporting plate of support electromagnetic shielding mechanism, the supporting plate is provided with through hole；
When the electromagnetic shielding mechanism is arranged in cell body, the lower surface of the electromagnetic shielding mechanism and the upper table of the supporting plate
Face offsets.
8. high-strength light crane span structure according to claim 5, it is characterised in that：The left and right sides is equipped with use on the lid
In the fixed plate of fixed rubber band,
The left plate is equipped with reclinate hook with the right plate.
9. high-strength light crane span structure according to claim 8, it is characterised in that：The fixed plate, which is provided with, to be used to fix rubber
The groove of rubber band, the groove surround passage of the C fonts for accommodating rubber band with the lid.
10. high-strength light crane span structure according to claim 5, it is characterised in that：The left side of the lid and the left side
Plate is connected by a rotating shaft；
Right side is provided with the fixed plate for being used for fixing rubber band on the lid,
The right plate is provided with reclinate hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711104080.5A CN107887856B (en) | 2017-11-10 | 2017-11-10 | High-strength light bridge frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711104080.5A CN107887856B (en) | 2017-11-10 | 2017-11-10 | High-strength light bridge frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107887856A true CN107887856A (en) | 2018-04-06 |
| CN107887856B CN107887856B (en) | 2020-06-12 |
Family
ID=61779995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711104080.5A Active CN107887856B (en) | 2017-11-10 | 2017-11-10 | High-strength light bridge frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107887856B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066517A (en) * | 2018-10-06 | 2018-12-21 | 东台市飞凌电气设备有限公司 | A kind of easy-to-dismount gantry of cover board |
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| CN201059393Y (en) * | 2007-08-23 | 2008-05-14 | 黄岩施展塑胶有限公司 | Combined type plastic cable bridge rack |
| CN202302317U (en) * | 2011-10-10 | 2012-07-04 | 许昌美特桥架股份有限公司 | Single-side locking device for cover plate of bride frame |
| CN204012516U (en) * | 2014-06-06 | 2014-12-10 | 淮南联合大学 | A kind of multiple field cable testing bridge structure can be classified |
| CN104917119A (en) * | 2015-05-25 | 2015-09-16 | 力拓电力合金电缆股份有限公司 | U-shaped cable bridge with weak current shielding layer |
| CN105244821A (en) * | 2015-09-23 | 2016-01-13 | 广西资优电气设备有限公司 | Wire bridge |
| CN105429069A (en) * | 2014-09-05 | 2016-03-23 | 天津市盟特电气仪表配件制造有限公司 | Novel cable bridge stand |
| CN106633878A (en) * | 2016-12-02 | 2017-05-10 | 安徽承顺铜业有限公司 | Level-200 polyesterimide enameled wire |
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2017
- 2017-11-10 CN CN201711104080.5A patent/CN107887856B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201014053Y (en) * | 2007-03-16 | 2008-01-30 | 上海超高工程塑料有限公司 | Cable bridge rack side board of plastics and metallic grid composite bed |
| CN201059393Y (en) * | 2007-08-23 | 2008-05-14 | 黄岩施展塑胶有限公司 | Combined type plastic cable bridge rack |
| CN202302317U (en) * | 2011-10-10 | 2012-07-04 | 许昌美特桥架股份有限公司 | Single-side locking device for cover plate of bride frame |
| CN204012516U (en) * | 2014-06-06 | 2014-12-10 | 淮南联合大学 | A kind of multiple field cable testing bridge structure can be classified |
| CN105429069A (en) * | 2014-09-05 | 2016-03-23 | 天津市盟特电气仪表配件制造有限公司 | Novel cable bridge stand |
| CN104917119A (en) * | 2015-05-25 | 2015-09-16 | 力拓电力合金电缆股份有限公司 | U-shaped cable bridge with weak current shielding layer |
| CN105244821A (en) * | 2015-09-23 | 2016-01-13 | 广西资优电气设备有限公司 | Wire bridge |
| CN106633878A (en) * | 2016-12-02 | 2017-05-10 | 安徽承顺铜业有限公司 | Level-200 polyesterimide enameled wire |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066517A (en) * | 2018-10-06 | 2018-12-21 | 东台市飞凌电气设备有限公司 | A kind of easy-to-dismount gantry of cover board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107887856B (en) | 2020-06-12 |
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