CN208204236U - A kind of wear-resisting stucco rubber hose of allotype insulation - Google Patents
A kind of wear-resisting stucco rubber hose of allotype insulation Download PDFInfo
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- CN208204236U CN208204236U CN201721438555.XU CN201721438555U CN208204236U CN 208204236 U CN208204236 U CN 208204236U CN 201721438555 U CN201721438555 U CN 201721438555U CN 208204236 U CN208204236 U CN 208204236U
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Abstract
The utility model discloses a kind of wear-resisting stucco rubber hose of allotype insulation, are made of inner glue layer, enhancement layer, outer glue-line；Inner glue layer and outer glue-line are all made of to be made with insulation, wear-resisting, weather-proof, the good rubber of low-temperature pliability energy；Enhancement layer is made using fibrous materials such as aramid fiber, polyester, polyvinyls using winding, knitting or weaving；Special-shaped stucco rubber hose includes the first arc section of the first straight pipe, the second straight pipe, third straight pipe, the first straight pipe of connection and the second straight pipe, the second arc section for connecting the second straight pipe and third straight pipe；First straight pipe and the second straight pipe are tangent with the first arc section respectively；Second straight pipe and third straight pipe are tangent with the second arc section respectively.The utility model abnormal shape stucco rubber hose effectively prevents axial twist power caused by straight tube state, alleviates the rigid drag force of sebific duct and joint, while identifying to sebific duct installation direction, has standardized installation operation, has effectively reduced operation troubles rate.
Description
Technical field
The utility model category high-speed EMUs rubber hose field is related to a kind of wear-resisting stucco rubber hose of allotype insulation.
Background technique
With the continuous progress of science and technology, the vehicles are also more and more diversified, and speed is also getting faster, wherein high speed motor car
With it, quickly and easily advantage becomes the preferred vehicles of people's trip.The service brake security performance of high speed motor car seems more
To be important, sander is to carry out stucco to the track before wheel in braking, to improve the coefficient of friction between wheel and rail,
To enhance the device of braking effect, sander can also carry out stucco in starting or upward slope to inhibit to dally and slide,
Improve adhesion tractive force, effectively prevent the slipping phenomenon of sleet sky driving wheel, enhances travel safety.
105346543 A of Chinese invention application CN discloses a kind of rail traffic vehicles and its sander, including sandbox
And sand sprayer, it further include mounting bracket, the end of mounting bracket is fixed on the inner wall of car body side bar, and the one end on sandbox surface is removable
It is connected to the bottom of mounting bracket with unloading, the other end is detachably connected on vehicle body bottom frame；Sand sprayer and sandbox outlet,
And it is communicated on the side wall of sand sprayer for the sand of therein to be blown off to the pressure air hose on rail level, and on pressure air hose
It is provided with the throttle valve for adjusting blowing amount.The bottom of sand sprayer is connected with sand pipe, and the sand in such sand sprayer can
It can smoothly enter into sand pipe under the Action of Wind pressure of pressure air hose, and moved along sand pipe, be directionally sprayed at corresponding position
It sets.
The stucco rubber hose of sander is straight tube currently on the market, with sandbox part Hard link, is run in vehicle
When sebific duct bend, stretch, stress, very strong drag force is generated to the attachment device at straight tube both ends, end can be made when serious
Joint's falling off influences the traffic safety performance of locomotive.And stucco straight tube becomes from bending state to straight condition in operational process
Axial distortion power can be generated when change, increases the stress of pipe shaft, and adversely affect to the connection at both ends, to increase locomotive fortune
Row failure.
Utility model content
The utility model is aiming at the problems existing in the prior art and connection angle, direction and the stress of sandbox and sand pipe
Environment, providing one kind has insulation, wear-resisting, the good special-shaped stucco rubber hose of low temperature flexibility, eliminates glue in use process
The axial twist power of pipe alleviates two end connector stress, has standardized installation operation, has met higher requirement, be suitable for
Large deformation, applying working condition be harsh, the sander of high-speed EMUs under the conditions of vibration acutely etc..
The purpose of this utility model is achieved through the following technical solutions:
Sand pipe described in the utility model is a kind of wear-resisting stucco rubber hose of allotype insulation.
A kind of wear-resisting stucco rubber hose of allotype insulation, the wear-resisting stucco rubber hose of the allotype insulation is by interior outward comprising interior
Glue-line, enhancement layer and outer glue-line.
Preferably, the wear-resisting stucco rubber hose of the allotype insulation is S type rubber hose.
The S type rubber hose includes the first straight pipe, the second straight pipe, third straight pipe, the first straight pipe of connection
With the first arc section of the second straight pipe, connect the second arc section of the second straight pipe and third straight pipe；Described first is straight
Pipeline section and the second straight pipe are tangent with the first arc section respectively；Second straight pipe and third straight pipe is round with second respectively
Segmental arc is tangent.
The radius of curvature R 1 of first arc section is 70mm~120mm, the second arc section radius of curvature R 2
For 80mm~130mm；The port center P4 of first straight pipe is along the center of the first straight pipe centerline direction and the second straight pipe
The distance L1 (the distance between P3 and P4 two o'clock) of line is 160mm~240mm, and the port center P1 of third straight pipe is along third
Straight pipe centerline direction at a distance from the center line of the second straight pipe (at a distance from P1 and P2 point-to-point transmission) L2 be 240mm~
The intersection point P3 of the center line of 320mm, the center line of the first straight pipe and the second straight pipe and the center line of third straight pipe and the
Distance L3 (at a distance from P2 and P3 point-to-point transmission) is 300~360mm between the intersection point P2 of the center line of two straight pipes；Described first is straight
The center line of the center line of pipeline section and the second straight pipe constitutes 70 °~100 ° angles, and the center line of third straight pipe and second is directly
The center line of pipeline section constitutes 80 °~55 ° angles.The shape of the wear-resisting stucco rubber hose of the utility model allotype insulation, angle and
Size is according to the stress dynamic and installation environment of sebific duct in practical driving and according to different road conditions, the operating status example of vehicle
Such as turn, climbing designs, and solves the axial twist stress of sebific duct, slow down the rigid pulling force of tube body butt joint, subtract
Operation troubles rate is lacked.
The inner glue layer with a thickness of 4~5mm；The enhancement layer with a thickness of 0.2~1mm；The outer glue-line
With a thickness of 2~3mm.
The inner glue layer and outer glue-line is respectively by insulation, wear-resisting, fire-retardant, weather-proof, the good rubber of low-temperature pliability energy
Composition is made.The rubber is any one in NBR, NR, SBR, IIR, CSM, EPDM, CR, guarantees showing for stucco sebific duct
Field use environment and working condition requirement.
Specifically, the inner glue layer and outer glue-line can be made of EPDM rubber composition respectively, EPDM rubber combination
Object includes the component of following parts by weight: 100 parts of ethylene propylene diene rubber, 10~30 parts of natural gas semi-reinforcing hydrocarbon black, and fire retardant
120~170 parts, 1~4 part of antiscorching agent, 3~10 parts of zinc oxide, 0.5~3 part of stearic acid, 3~6 parts of anti-aging agent, sulphur 0.8~
1.5 parts, 1~2.5 part of diphenylguanidine TDM, 0.5~1.5 part of altax, 1.5~2.5 parts of accelerant B Z, plasticizer 40~
70 parts.
Wherein, the ethylene propylene diene rubber uses high Mooney viscosity ML1+4125 DEG C for 65~85, ethylene contents be 60~
70% ethylene propylene diene rubber.
The fire retardant is the mixture of fire retardant 06B and fire retardant F2, and every 100 parts by weight ethylene propylene diene rubber uses
110~140 parts by weight of flame retardant 06B and 10~30 parts by weight of flame retardant F2, the fire retardant 06B are modified magnesium hydroxide resistance
Fire agent；The fire retardant F2 is red phosphorus type fire retardant.The antiscorching agent is V.E-80, and antiscorching agent V.E-80 is abundant science and technology again
The synthetic rubber antiscorching agent of (Jiangsu) Co., Ltd.
The anti-aging agent is the mixture of anti-aging agent RD and antioxidant MB, and every 100 parts by weight ethylene propylene diene rubber uses
2~4 parts by weight anti-aging agent RDs and 1~2 parts by weight antioxidant MB.
The plasticizer is the mixture of paraffin oil and plasticizer NB-4, and every 100 parts by weight ethylene propylene diene rubber uses
20~35 parts by weight paraffin oils and 20~35 parts by weight of plasticizer NB-4.Plasticizer NB-4 is adipic acid esters softening agent.
The preparation method of the EPDM rubber composition, comprising the following steps:
Step (1) takes formula ratio ethylene propylene diene rubber, anti-aging agent, zinc oxide and stearic acid that kneading 30s in mixer is added
~60s；
Carbon black and plasticizer, kneading 40s~70s are added into said mixture for step (2)；
Fire retardant is added in step (3), and vulcanizing agent is added when mixture temperature increases to 85~95 DEG C in mixer and prevents
Burnt agent, 1~2min of kneading, dumping when system temperature reaches 115~120 DEG C；Wherein, the vulcanizing agent is sulphur, promotor
DTDM, altax and accelerant B Z；
Step (4), the rubber compound being discharged from mixer need to carry out on a mill to turn over glue, turn over the glue time and are no less than
It 120 seconds, to guarantee that rubber compounding is uniform, turns over to go out rubber compound at the silver of one fixed width through anti-mucus after glue, drying, park
It can be used to the preparation of product afterwards for 24 hours.
The inner glue layer and outer glue-line can also be made of CR rubber composition respectively, and CR rubber composition includes as follows
The component of parts by weight: 100 parts of neoprene, 5~15 parts of fast extrude in carbon black N550,40~80 parts of white carbon black, stearic acid 0.5
~1.2 parts, 1~6 part of anti-aging agent, 20~40 parts of plasticizer NB-4,0.3~0.8 part of vulcanizing agent S-80, coupling agent Si- 69 1
~3 parts, 2~4 parts of magnesia, 3~8 parts of zinc oxide, 654 2~5 parts of protection wax, 1~3 part of accelerant N A-22, altax
0.5~2 part, 4,000 1~3 parts of promotor, 30~60 parts of fire retardant TL01,10~20 parts of fire retardant 06B, fire retardant F2
10~20 parts, 10~35 parts of carbon forming agent XC-103B, 5~20 parts of smoke suppressant Charmax LS-ZHS, smoke suppressant Charmax
2~10 parts of LS-AOM.Wherein, the anti-aging agent is the mixture of antioxidant 4010NA and anti-aging agent RD, every anti-aging agent
The weight ratio of 4010NA and anti-aging agent RD is 1:1~2.
The preparation method of the CR rubber composition, comprising the following steps:
Step (1) takes formula ratio neoprene, anti-aging agent and stearic acid that kneading 30s~60s in mixer is added；
Step (2), into said mixture be added fast extrude in carbon black N550, white carbon black, protection wax, fire retardant, carbon forming agent,
Smoke suppressant and plasticizer, kneading 40s~70s；
Vulcanizing agent S-80, zinc oxide, oxygen is added when mixture temperature increases to 85~95 DEG C in mixer in step (3)
Change magnesium, coupling agent Si-69, promotor, 1~2min of kneading, dumping when system temperature reaches 115~120 DEG C；
Step (4), the rubber compound being discharged from mixer need to carry out on a mill to turn over glue, turn over the glue time and are no less than
It 120 seconds, to guarantee that rubber compounding is uniform, turns over to go out rubber compound at the silver of one fixed width through anti-mucus after glue, drying, park
It can be used to the preparation of product afterwards for 24 hours.
The aqueous solution of zinc stearate that the anti-mucus is 2%.
The enhancement layer is made of any one in aramid fiber, polyester, polyvinyl, nylon through winding or knitting system
At.
Not only ensure that by above-mentioned design sand to the wearability of rubber tube inner wall, while make product have better stiffening property
Its flexibility will not be influenced at low temperature while enhancement layer guarantees product strength with anti-deflating.
The both ends of the wear-resisting stucco rubber hose of the allotype insulation are respectively equipped with installation position line convenient for connector or clip
Assembly in place, has standardized operation, has reduced installation problems.
The tube wall of the wear-resisting stucco rubber hose of the allotype insulation is equipped with flow direction mark such as " ← ", is easily installed
The discrimination in direction, it is ensured that installation accuracy.
The utility model has the beneficial effects that
The utility model sand pipe is the shaped rubber sand pipe designed according to its stress dynamic and installation environment,
The axial twist problem for effectively preventing sebific duct slows down the rigid pulling force of tube body butt joint, reduces operation troubles rate；Interior,
Outer glue-line is by having the characteristics that insulation, wear-resisting, weathering, the mixing glue material that fire-retardant, low temperature flexibility is good are made, and enhancement layer is by virtue
Synthetic fibre, polyester, polyvinyl, any one in nylon are made up of winding or knitting, meet stucco pipe insulation, it is wear-resisting, weather-proof,
Fire-retardant, anti-burst, the requirement for bearing the applying working conditions such as External force interference；Mounting direction mark is indicated in rubber tube body simultaneously, is guaranteed
Special-shaped stucco rubber hose connection is accurate, has standardized installation, reduces security risk
Detailed description of the invention
Fig. 1 is the main view of the wear-resisting stucco rubber hose of the utility model allotype insulation；
Fig. 2 is the cross-sectional view of Fig. 1.
Specific embodiment
The technical solution of the utility model is described in detail below by specific embodiment.
Embodiment 1
As depicted in figs. 1 and 2, the wear-resisting stucco rubber hose of a kind of allotype insulation, the wear-resisting stucco rubber of the allotype insulation are soft
Pipe is S type rubber hose, is made of outward inner glue layer 1, enhancement layer 2 and outer glue-line 3 interior；At the both ends of stucco rubber hose
It is respectively equipped with installation position line, and is equipped with flow direction mark such as " ← " on the tube wall of stucco rubber hose.
S type rubber hose includes the first straight pipe 4, the second straight pipe 5, third straight pipe 6, connection 4 and of the first straight pipe
First arc section 7 of the second straight pipe 5, the second arc section 8 for connecting the second straight pipe 5 and third straight pipe 6；First straight pipe
4 and second straight pipe 5 it is tangent with the first arc section 7 respectively；Second straight pipe 5 and third straight pipe 6 respectively with the second arc section 8
It is tangent；The radius of curvature R 1 of first arc section 7 is 100mm；The radius of curvature R 2 of second arc section 8 is 100mm；First straight tube
Center line distance L1 (P3 and P4 two of the port center (P4) of section 4 along the first straight pipe centerline direction and the second straight pipe 5
The distance between point) it is 186mm, the port center (P1) of third straight pipe 6 is straight along third straight pipe centerline direction and second
Distance (at a distance from the P1 and P2 point-to-point transmission) L2 of the center line of pipeline section 5 is 257mm, and the center line of the first straight pipe 4 and second is directly
Between the intersection point (P2) of the center line of the intersection point (P3) of the center line of pipeline section 5 and the center line of third straight pipe 6 and the second straight pipe 5
Distance L3 (at a distance from P2 and P3 point-to-point transmission) is 325.5mm；The center line structure of the center line of first straight pipe and the second straight pipe
At 91 ° of angles, the center line of the center line of third straight pipe and the second straight pipe constitutes 76 ° of angles.
The wear-resisting stucco rubber hose internal diameter of allotype insulation is 19 ± 0.3mm, and outer diameter is 33 ± 0.5mm；Wherein, hose lining 1
With a thickness of 4.8mm, enhancement layer 2 with a thickness of 0.2mm, outer glue-line 3 with a thickness of 2mm.
The inside and outside glue-line is all made of insulation, fire-retardant, wear-resisting EPDM rubber composition is made, in rubber composition
Each component is matched by following parts by weight: 100 parts of ethylene propylene diene rubber, 20 parts of natural gas semi-reinforcing hydrocarbon black, and fire retardant 06B 140
Part, 20 parts of fire retardant F2,2 parts of antiscorching agent V.E-80,5 parts of zinc oxide, 1 part of stearic acid, 2 parts of anti-aging agent RD, antioxidant MB 1
Part, 1 part of sulphur, 1.5 parts of diphenylguanidine TDM, 1 part of altax, 2 parts of accelerant B Z, 25 parts of paraffin oil, plasticizer NB-4
25 parts.
The physical property table of rubber composition:
The enhancement layer 2 is made up using 1000D aramid line of winding process.
The wear-resisting stucco rubber hose of the present embodiment allotype insulation has the advantage that
1, the high stiffening property of sebific duct and the shape according to the running deformation state design of vehicle, effectively reduce vehicle fortune
Interference vibration during row；
2, structural point makes sebific duct in use process according to sebific duct force design in installation space and actual motion, the design
In meet with stresses and reach minimum, mitigate sebific duct burden, it is entirely avoided the straight type sand pipe axial twist power of tradition is big, connects with sandbox
Connect place easily deflating, cracked fatal drawback；
3, wearability design guarantees the requirement of its stucco wearability: carrying out pulley type abrasion examination according to GB/T9867-2008
It tests, relative volume abrasion loss can be down to 157.91mm3；
4, special-shaped wear-resisting stucco rubber tube flame retardant property is good, carries out according to experimental method as defined in DIN5510-2-2009
Test, flammability rating S-4.
5, special-shaped wear-resisting stucco rubber tube low-temperature pliability can be good, keeps still being able to maintain for 48 hours in -40 DEG C of cryogenic boxes
Good flexibility；
6, the special-shaped wear-resisting stucco rubber tube good insulation preformance of the present embodiment, insulation resistance (AC1000V) are infinity, are avoided
The multiple unit train body and bogie of electrification form electric pathway, damage bogie.
Embodiment 2
With the EPDM rubber composition in CR rubber composition alternative embodiment 1, other are same as Example 1.
CR rubber composition is made of the component that following parts by weight match: neoprene: 100 parts, fast extrude in carbon black
N550:5 parts, white carbon black: 60 parts, stearic acid: 0.5 part, antioxidant 4010NA: 2 parts, anti-aging agent RD: 3 parts, plasticizer NB-4:
30 parts, S-80:0.5 parts of vulcanizing agent, Si-69:1.5 parts of coupling agent, magnesia: 4 parts, zinc oxide: 5 parts, 654:3 parts of protection wax,
A-22:1.5 parts of accelerant N, altax: 0.5 part, 4000:2 parts of promotor, TL01:40 parts of fire retardant, fire retardant 06B:20
Part, F2:10 parts of fire retardant, XC-103B:18 parts of carbon forming agent, LS-ZHS:5 parts of smoke suppressant Charmax, smoke suppressant Charmax
LS-AOM:10 parts.
The physical property table of rubber composition:
The wear-resisting stucco rubber hose of allotype insulation made of CR rubber composition using the present embodiment can obtain and reality
Apply the identical technical effect of example 1.
Claims (7)
1. a kind of wear-resisting stucco rubber hose of allotype insulation, it is characterised in that the wear-resisting stucco rubber hose of the allotype insulation is by interior glue
Layer, enhancement layer and outer glue-line composition；The wear-resisting stucco rubber hose of the allotype insulation is S type rubber hose, the S type rubber
Glue hose includes the first circle of the first straight pipe, the second straight pipe, third straight pipe, the first straight pipe of connection and the second straight pipe
Segmental arc, the second arc section for connecting the second straight pipe and third straight pipe；First straight pipe and the second straight pipe difference
It is tangent with the first arc section；Second straight pipe and third straight pipe is tangent with the second arc section respectively.
2. the wear-resisting stucco rubber hose of allotype insulation according to claim 1, it is characterised in that first arc section
Radius of curvature R 1 be 70mm~120mm, the second arc section radius of curvature R 2 be 80mm~130mm；
Intersection point the distance between of the port center of first straight pipe along the first straight pipe center line and the second straight pipe center line
For 160mm~240mm, the intersection point of the port center of third straight pipe along third straight pipe center line and the second straight pipe center line
The distance between be 240mm~320mm, the center line of the center line of the first straight pipe and third straight pipe respectively with the second straight tube
The distance between the intersection point of section center line is 300~360mm；
The center line of first straight pipe and the center line of the second straight pipe constitute 70 °~100 ° angles, third straight pipe
Center line and the second straight pipe center line constitute 80 °~55 ° angles.
3. the wear-resisting stucco rubber hose of allotype insulation according to claim 1, it is characterised in that the inner glue layer and outer
Glue-line is made of insulation, wear-resisting, fire-retardant, weather-proof, the good rubber of low-temperature pliability energy respectively.
4. the wear-resisting stucco rubber hose of allotype insulation according to claim 3, it is characterised in that the rubber be NBR,
Any one in NR, SBR, IIR, CSM, EPDM, CR.
5. the wear-resisting stucco rubber hose of allotype insulation according to claim 1, it is characterised in that the enhancement layer is by virtue
Synthetic fibre, polyester, polyvinyl, any one in nylon are made up of winding or knitting.
6. the wear-resisting stucco rubber hose of allotype insulation according to claim 1, it is characterised in that the allotype insulation is resistance to
The both ends of mill stucco rubber hose are respectively equipped with installation position line.
7. the wear-resisting stucco rubber hose of allotype insulation according to claim 1, it is characterised in that the thickness of the inner glue layer
Degree is 4~5mm；The enhancement layer with a thickness of 0.2~1mm；The outer glue-line with a thickness of 2~3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721438555.XU CN208204236U (en) | 2017-11-01 | 2017-11-01 | A kind of wear-resisting stucco rubber hose of allotype insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721438555.XU CN208204236U (en) | 2017-11-01 | 2017-11-01 | A kind of wear-resisting stucco rubber hose of allotype insulation |
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| Publication Number | Publication Date |
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| CN208204236U true CN208204236U (en) | 2018-12-07 |
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ID=64490200
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369537A (en) * | 2022-09-09 | 2022-11-22 | 温州一可线业科技有限公司 | Matte elastic fireproof wire and manufacturing process thereof |
-
2017
- 2017-11-01 CN CN201721438555.XU patent/CN208204236U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369537A (en) * | 2022-09-09 | 2022-11-22 | 温州一可线业科技有限公司 | Matte elastic fireproof wire and manufacturing process thereof |
| CN115369537B (en) * | 2022-09-09 | 2023-08-22 | 温州一可线业科技有限公司 | Matte elastic fire-proof wire and manufacturing process thereof |
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