CN109722015A - Suspended casting suspended basket lightweight material and load-bearing backing plate based on lightweight material - Google Patents
Suspended casting suspended basket lightweight material and load-bearing backing plate based on lightweight material Download PDFInfo
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- CN109722015A CN109722015A CN201910032965.1A CN201910032965A CN109722015A CN 109722015 A CN109722015 A CN 109722015A CN 201910032965 A CN201910032965 A CN 201910032965A CN 109722015 A CN109722015 A CN 109722015A
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- lightweight material
- suspended
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- backing plate
- basket
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Abstract
The present invention provides a kind of suspended casting suspended basket lightweight material and the load-bearing backing plate based on lightweight material, the suspended casting suspended basket lightweight material includes following components: (a) PA6 slice 40%~70%；(b) toughener 3%~20%；(c) glass fibre 15%~45%；(d) age resister 2%~25%；(e) antioxidant 3%-15%；(f) ultrafine powder 3%-15%；(g) coupling agent 1%-9%；The above percentage is by mass.The load-bearing backing plate based on lightweight material is made of the suspended casting suspended basket lightweight material, is able to bear the weight of superelevation, can be applied to the bearing of bridge hanging basket.
Description
Technical field
The present invention relates to functional materials, and in particular to high-intensitive lightweight material and the load-bearing pad based on the lightweight material
Plate.
Background technique
Bridge construction is an important ring for road traffic construction, no matter the shape or construction environment of bridge, Hanging Basket are bridges
One of key equipment of construction.Since bridge is bulky, the Hanging Basket for construction also has the feature that volume is big, weight is big,
The weight of Hanging Basket generally reaches hundreds of tons.In addition, bridge construction majority is carried out in vacant state, relevant facility should subtract as far as possible
Small weight.Bridge construction generally carries out outdoors, and relevant facility is preferably provided with anticorrosion, anti-aging characteristic.Therefore, to holding
Load-bearing facility requirements by Hanging Basket weight are higher, do not require nothing more than load-bearing facility and design in structure rigorously, and load-bearing is required to set
The material applied has high intensity, lightweight, anticorrosion, anti-aging characteristic.
However, existing load-bearing facility still has room for improvement in structure, be not able to satisfy on material high intensity, lightweight,
Anticorrosion, anti-aging requirement.
Summary of the invention
The purpose of the present invention is to provide a kind of suspended casting suspended basket lightweight materials, and another object of the present invention is to provide one kind
Load-bearing backing plate based on lightweight material.
In order to achieve the above objectives, the present invention uses following technical scheme.
A kind of suspended casting suspended basket lightweight material, including following components:
(a) PA6 slice 40%~70%；
(b) toughener 3%~20%；
(c) glass fibre 15%~45%；
(d) age resister 2%~25%；
(e) antioxidant 3%-15%；
(f) ultrafine powder 3%-15%；
(g) coupling agent 1%-9%；
The above percentage is by mass.
Preferably, toughener is SWR-3F nylon toughener.
Preferably, age resister is 2- hydroxy benzenes first copper.
Preferably, antioxidant is phosphite ester or phosphate.
Preferably, ultrafine powder is LEE powder.
Preferably, coupling agent is KH550 coupling agent.
The preparation method of above-mentioned suspended casting suspended basket lightweight material, comprising the following steps:
(1) ultrafine powder, coupling agent and glass fibre are uniformly mixed in proportion, pulverulent material is ground into after drying；
(2) toughener, age resister, antioxidant and PA6 slice are proportionally added into the pulverulent material in step (1),
It is uniformly mixed, is granulated by double screw extruder, obtains suspended casting suspended basket lightweight material.
A kind of load-bearing backing plate based on lightweight material, load-bearing backing plate one end are equipped with protrusion, and protrusion is equipped with the first hole；
The load-bearing backing plate other end is equipped with the recess portion that cooperates with protrusion, recess portion two sides be respectively equipped with the second hole corresponding with the first hole and
Third hole；The lightweight material includes the following components being calculated by mass percentage:
(a) PA6 slice 40%~70%；
(b) toughener 3%~20%；
(c) glass fibre 15%~45%；
(d) age resister 2%~25%；
(e) antioxidant 3%-15%；
(f) ultrafine powder 3%-15%；
(g) coupling agent 1%-9%.
Preferably, the load-bearing backing plate is equipped with lightening hole.
Beneficial effects of the present invention: suspended casting suspended basket lightweight material shock resistance of the invention is strong, is able to bear biggish
Pressure or shearing force, anticorrosion are anti-aging；The preparation method of suspended casting suspended basket lightweight material is simple, and raw material is easy to get, manufacture at
This is low；Load-bearing backing plate based on lightweight material of the invention is able to bear the weight of superelevation, can satisfy Hanging Basket service requirement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the load-bearing backing plate of the invention based on lightweight material.
Fig. 2 is the horizontal direction schematic cross-section of the load-bearing backing plate of the invention based on lightweight material.
Fig. 3 is the vertical direction schematic cross-section of the load-bearing backing plate of the invention based on lightweight material.
Fig. 4 is the use state diagram of the load-bearing backing plate of the invention based on lightweight material.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1
A kind of suspended casting suspended basket lightweight material provided by the invention, the component being calculated by mass percentage are configured to PA6 and cut
Piece 50%, SWR-3F nylon toughener 3%, glass fibre 22%, 2- hydroxy benzenes first copper 2%, phosphate 3%, LEE powder 15%
(the LEE powder of Suzhou Na Fang engineering material Co., Ltd production), KH550 coupling agent 5%, are prepared according to the following steps:
(1) LEE powder, KH550 coupling agent and glass fibre are uniformly mixed in proportion, after drying in 8~16 hours, grinding
Powdering material；
(2) SWR-3F nylon toughener, 2- hydroxy benzenes first copper, phosphorus are proportionally added into the pulverulent material in step (1)
Acid esters and PA6 slice, are uniformly mixed, are granulated by double screw extruder, obtain suspended casting suspended basket lightweight material.
The suspended casting suspended basket lightweight material of the present embodiment is labeled as lightweight material A.The performance of lightweight material A is tested,
Obtain following performance test report (table one).
One performance test of table report
| Serial number | Detection project | Test method | Unit | Testing result |
| 1 | Tensile strength | ISO527 | MPa | 115 |
| 2 | Elongation at break | ISO527 | % | 6 |
| 3 | Bending strength | ISO178 | MPa | 160.5 |
| 4 | Bending modulus | ISO178 | MPa | 8050 |
| 5 | Impact strength | ISO180 | Kj/m3 | 12 |
| 6 | Density | ISO1183 | g/cm3 | 1.44 |
| 7 | Melt index | ISO1133 | g/10min | 36 |
| 8 | Residues of combustion | % | 35 | |
| 9 | Shore hardness | ISO868 | Degree | 95 |
Embodiment 2
A kind of suspended casting suspended basket lightweight material provided by the invention, the component being calculated by mass percentage are configured to PA6 and cut
Piece 57%, SWR-3F nylon toughener 3%, glass fibre 15%, 2- hydroxy benzenes first copper 2%, phosphate 3%, LEE powder 15%
(the LEE powder of Suzhou Na Fang engineering material Co., Ltd production), KH550 coupling agent 5%, preparation step is same as Example 1
(only changing dosage).
The suspended casting suspended basket lightweight material of the present embodiment is labeled as lightweight material B.
Embodiment 3
A kind of suspended casting suspended basket lightweight material provided by the invention, the component being calculated by mass percentage are configured to PA6 and cut
Piece 57%, SWR-3F nylon toughener 3%, glass fibre 20%, 2- hydroxy benzenes first copper 2%, phosphate 3%, LEE powder 10%
(the LEE powder of Suzhou Na Fang engineering material Co., Ltd production), KH550 coupling agent 5%, preparation step is same as Example 1
(only changing dosage).
The suspended casting suspended basket lightweight material of the present embodiment is labeled as lightweight material C.
Comparative example 1
A kind of existing material, the component being calculated by mass percentage are configured to PA6 slice 57%, PA12 slice
20%, SWR-3F nylon toughener 3%, glass fibre 15%, KH550 coupling agent 5%, are prepared according to the following steps:
(1) KH550 coupling agent and glass fibre are uniformly mixed in proportion, after drying in 8~16 hours, are ground into powdery
Material；
(2) SWR-3F nylon toughener, PA6 slice and PA12 is proportionally added into the pulverulent material in step (1) to cut
Piece is uniformly mixed, is granulated by double screw extruder, obtains material.
The material marking of the present embodiment is current material 1.
Comparative example 2
A kind of existing material, the component being calculated by mass percentage are configured to PA6 slice 50%, PA12 slice
20%, SWR-3F nylon toughener 3%, glass fibre 22%, KH550 coupling agent 5%, preparation step are identical as comparative example 1
(only changing dosage).
The material marking of the present embodiment is current material 2.
Respectively to above-mentioned lightweight material A~C, current material 1~2 carry out tensile strength test, shock resistance test and
Anti-aging test obtains the experimental data of table two.
The two performance table of comparisons of table
| Material | Tensile strength | Shock resistance | Color |
| Lightweight material A | 115MPa | 12KJ/m3 | Without significant change |
| Lightweight material B | 107MPa | 14KJ/m3 | Without significant change |
| Lightweight material C | 112MPa | 14KJ/m3 | Without significant change |
| Current material 1 | 60MPa | 7KJ/m3 | It turns to be yellow slightly on surface |
| Current material 2 | 67MPa | 9KJ/m3 | It turns to be yellow slightly on surface |
Current material tensile strength is in 60MPa or so it can be seen from table two；After the present invention is by being added coupling agent treatment
Glass fibre and ultrafine powder, tensile strength of material is increased to 115MPa by 60MPa.The shock resistance one of current material
As in 7~9KJ/m3；The present invention is increased to 12~14KJ/m by impact property after SWR-3F toughener is added3。
Embodiment 4
Load-bearing backing plate is manufactured using the lightweight material A of embodiment 1, steps are as follows: making the mold of load-bearing backing plate, it will
The lightweight material A of embodiment 1 is molded by injection molding machine, obtains the load-bearing backing plate based on lightweight material.
As shown in Figures 1 to 3, the load-bearing backing plate 100 based on lightweight material that the present embodiment obtains, one end are equipped with protrusion
101, protrusion 101 is equipped with the first hole 102；Its other end is equipped with the recess portion 103 cooperated with protrusion 101,103 two sides of recess portion difference
Equipped with second hole 104 corresponding with the first hole 102 and third hole 105.Wherein, left and right is perforative there are four setting on the load-bearing backing plate
Lightening hole 106；On the upside of load-bearing backing plate, downside is additionally provided with can play mitigation under the premise of not reducing load-bearing backing plate load-bearing capacity
The deep gouge 107 of load-bearing backing plate weight is set in deep gouge 107 there are four upper and lower perforative mounting hole 108, and the end face of mounting hole 108 is set
The convex pad 109 of guaranteed engagement height, the height of convex pad 109 are equal to the depth of deep gouge 107.
As shown in figure 4, when in use, multiple load-bearing backing plates 100 based on lightweight material are used in combination, first based on light
The protrusion 101 of the load-bearing backing plate of profile material is inserted into the recess portion 103 of second load-bearing backing plate based on lightweight material, so that the
The first hole 102 on the protrusion 101 of one load-bearing backing plate based on lightweight material is aligned second load-bearing based on lightweight material
The second hole 104 and third hole 105 of 103 two sides of recess portion of backing plate penetrate into the first hole 102,104 and of the second hole with bolt 200
Connection is completed in third hole 105；The protrusion 101 of second load-bearing backing plate based on lightweight material is inserted into third based on light-duty
In the recess portion 103 of the load-bearing backing plate of material, so that the first hole on the protrusion 101 of second load-bearing backing plate based on lightweight material
The second hole 104 and third hole 105 of 103 two sides of recess portion of 102 load-bearing backing plates of the alignment third based on lightweight material, use bolt
200 penetrate into completion connection in the first hole 102, the second hole 104 and third hole 105；And so on, it can connect multiple based on light
The load-bearing backing plate of profile material, to be linked to be load-bearing backing plate chain (also known as load-bearing carrier bar).It when needed, can also be by load-bearing backing plate
Chain is placed side by side, is aligned the mounting hole 108 of load-bearing backing plate chain side by side, and bolt is inserted into mounting hole 108 and completes connection, from
And increase the load-bearing area of load-bearing backing plate chain.In Fig. 4, four load-bearing backing plate chains are shared, between intermediate two load-bearing backing plate chains
Gap for avoiding bridge floor finish rolling steel, it is easy to remove.
The bearing capacity of load-bearing backing plate chain will reach hundreds of tons, not only need higher compressive strength, but also run in Hanging Basket
In the process because of the out-of-flatness of construction working side, while biggish shearing force is born, and there are many uncertain factors for Impact direction.Separately
Outside, load-bearing backing plate chain application environment is field work environment, for a long time under ultraviolet light irradiation, it is desirable that it is anti-aging, avoid heat drop
Solution.Since the load-bearing backing plate of the invention based on lightweight material is made of lightweight material of the invention, toughener improves material
Shock resistance；2- hydroxy benzenes first copper age resister (also referred to as ultraviolet absorbing agent or ultraviolet protective agent) reduces photooxidation and is turned into
With can substantially inhibit, absorb and disperse ultraviolet light, so it will not switch to thermal energy；Phosphite ester or phosphate antioxidant,
It can avoid thermal degradation；Grade or micron-sized ultrafine powder packing material are received in Asia, on the one hand improve carrier bar mechanical property, while effectively
Manufacturing cost drops.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of suspended casting suspended basket lightweight material, including following components:
(a) PA6 slice 40%~70%；
(b) toughener 3%~20%；
(c) glass fibre 15%~45%；
(d) age resister 2%~25%；
(e) antioxidant 3%-15%；
(f) ultrafine powder 3%-15%；
(g) coupling agent 1%-9%；
The above percentage is by mass.
2. suspended casting suspended basket lightweight material according to claim 1, it is characterised in that: toughener is SWR-3F toughening nylon
Agent.
3. suspended casting suspended basket lightweight material according to claim 1, it is characterised in that: age resister is 2- hydroxy benzenes first copper.
4. suspended casting suspended basket lightweight material according to claim 1, it is characterised in that: antioxidant is phosphite ester or phosphoric acid
Ester.
5. suspended casting suspended basket lightweight material according to claim 1, it is characterised in that: ultrafine powder is LEE powder.
6. suspended casting suspended basket lightweight material according to claim 1, it is characterised in that: coupling agent is KH550 coupling agent.
7. the preparation method of suspended casting suspended basket lightweight material described in any claim according to claim 1~6, including following step
It is rapid:
(1) ultrafine powder, coupling agent and glass fibre are uniformly mixed in proportion, pulverulent material is ground into after drying；
(2) toughener, age resister, antioxidant and PA6 slice, mixing are proportionally added into the pulverulent material in step (1)
Uniformly, it is granulated by double screw extruder, obtains suspended casting suspended basket lightweight material.
8. a kind of load-bearing backing plate based on lightweight material, load-bearing backing plate one end is equipped with protrusion, and protrusion is equipped with the first hole；Institute
It states the load-bearing backing plate other end and is equipped with the recess portion that cooperates with protrusion, recess portion two sides are respectively equipped with the second hole corresponding with the first hole and the
Three holes；The lightweight material includes the following components being calculated by mass percentage:
(a) PA6 slice 40%~70%；
(b) toughener 3%~20%；
(c) glass fibre 15%~45%；
(d) age resister 2%~25%；
(e) antioxidant 3%-15%；
(f) ultrafine powder 3%-15%；
(g) coupling agent 1%-9%.
9. the load-bearing backing plate according to claim 8 based on lightweight material, it is characterised in that: the load-bearing backing plate is equipped with
Lightening hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032965.1A CN109722015A (en) | 2019-01-14 | 2019-01-14 | Suspended casting suspended basket lightweight material and load-bearing backing plate based on lightweight material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032965.1A CN109722015A (en) | 2019-01-14 | 2019-01-14 | Suspended casting suspended basket lightweight material and load-bearing backing plate based on lightweight material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109722015A true CN109722015A (en) | 2019-05-07 |
Family
ID=66298333
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910032965.1A Pending CN109722015A (en) | 2019-01-14 | 2019-01-14 | Suspended casting suspended basket lightweight material and load-bearing backing plate based on lightweight material |
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| CN (1) | CN109722015A (en) |
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Application publication date: 20190507 |