CN208455395U - A kind of mining tunnel road deck - Google Patents
A kind of mining tunnel road deck Download PDFInfo
- Publication number
- CN208455395U CN208455395U CN201821164963.5U CN201821164963U CN208455395U CN 208455395 U CN208455395 U CN 208455395U CN 201821164963 U CN201821164963 U CN 201821164963U CN 208455395 U CN208455395 U CN 208455395U
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- road deck
- rope
- tunnel road
- mining tunnel
- reinforcing rib
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Abstract
The utility model discloses a kind of mining tunnel road deck, the mining tunnel road deck be made of composite material, section be " π " shape structural body, including road deck and reinforcing rib, reinforcing rib is equipped with through-hole, by the through-hole using rope connection when mating formation；Composite material is combined by polyurethane resin and reinforcing glass fiber and/or glass felt.The utility model is using high hardness polyurethane as basis material, glass fibre is reinforcing material, the π type structure produced using continuous pultrude process has the characteristics that high-intensitive, environmental-friendly, corrosion-resistant, good toughness, nail-holding ability are strong, installation is succinct, convenient disassembly, recycling.It is laid with by distinctive rope connection type, it is prepared and paving mode greatly shortens construction and the curing cycle on tunnel road surface, use cost is greatly lowered, as road panel use its have many advantages, such as transport is easy, it is high-efficient to mat formation, without maintenance, detachable be recycled.
Description
Technical field
The utility model relates to a kind of mining tunnel road decks, belong to composite material applied technical field.
Background technique
With the development of modernization coal-mining technique, it is the main assistant conveyance side of mine that the transport of underground coal mine tracklessization, which has become,
One of formula, to keep flexible transport safe and reliable, the processing mode on tunnel road surface is just particularly important.Most of mining tunnel bottom
Plate is often the argillaceous rocks of low strength, and contains a large amount of intumescent mineral, is not only met by construction disturbance, fully mechanized mining vibration influence
Situations such as water can also deform, and be disintegrated, expand, than more intractable.The main processing ways of underground tunnel road of coal mine at present
It is concreting, and concrete road surface can not recycle benefit in the presence of difficulty of construction is big, curing time is long, meets the easy pucking fragmentation of water
With phenomena such as, cause safety production efficiency to reduce.
Summary of the invention
Technical problem to be solved in the utility model is in view of the defects existing in the prior art, to provide a kind of mining tunnel
Road deck, solve current tunnel pavement construction difficulty is big, curing time is long, meet the easy pucking fragmentation of water, can not recycle, safety
The low problem of production efficiency.
In order to solve this technical problem, the utility model provides a kind of mining tunnel road deck, the mining tunnel road
Panel is that the section made of composite material is " π " shape structural body, and " π " the shape structural body includes road deck and reinforcing rib, institute
Reinforcing rib is stated equipped with through-hole, is connected by the through-hole using rope when mating formation.
The road deck with a thickness of 2-20mm, width 80-200mm, be highly 10-30mm, length 3000-
6000mm。
The reinforcing rib is straight panel structure, and the straight panel is vertical with road deck, is symmetricly set on road surface back.
When road panel is mated formation between multiple groups panel at least both ends using rope connect or multiple groups panel between place and be through
Limitation pipe on rope, rope ends respectively knot, and reinforcing rib side is placed on sub-surface after connecting.
The rope is the nylon rope of diameter 3mm~10mm, and the through-hole on rope diameter ratio " π " type structural bead is straight
Small 0mm~the 2mm of diameter.
At least one in pvc pipe, TPU pipe and the PET tubing products that the limitation pipe matches for internal diameter and above-mentioned rope diameter
Kind, limit the big 0.5mm~6mm of pipe outside diameter ratio " π " type structural bead through-hole diameter.
The utility model has the advantages that the utility model, using high hardness polyurethane as basis material, glass fibre is reinforcing material, using even
The π type structure of continuous pultrude process production, with high intensity, high-modulus, environmental-friendly, corrosion-resistant, good toughness, nail-holding ability is strong, pacifies
Dress is succinct, convenient disassembly, recycling light flame-retardant polymer composite, pass through distinctive rope connection type and carry out
Laying, preparation and paving mode greatly shorten construction and the curing cycle on tunnel road surface, use cost are greatly lowered, together
When also rely on the good characteristic of material itself, perfect structure design, advanced processing technology and efficient paving mode so that
Its road surface being laid with has excellent service performance under dynamic loading, and can realize and recycle.Compared to other traditional materials
Material also has more excellent performance, is the composite material that comprehensive performance is best in current pultrusion molding process.As road surface
Plate has many advantages, such as that transport is easy, it is high-efficient to mat formation using it, is not necessarily to maintenance, is detachably recycled.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic cross-section of the utility model；
Fig. 3 is the schematic cross-section of the utility model flooring mode；
Fig. 4 is that the utility model is mated formation effect diagram.
In figure: 1 road deck, 2 reinforcing ribs, 3 ropes, 4 limitation pipes, 5 through-holes.
Specific embodiment
The utility model is specifically described with reference to the accompanying drawings and embodiments.
Mining tunnel road deck provided by the utility model by high-strength polyurethane be basis material, glass fibre and/or
Glass felt is reinforcing material, using a kind of high score of high-strength light that can satisfy mine laneway of continuous pultrude process production
Sub- composite material, and combine its application environment to determine reasonable flooring mode according to its design feature.
Fig. 1 show the structural schematic diagram of the utility model.
Fig. 2 show the schematic cross-section of the utility model.
The utility model section made of composite material is " π " shape structural body, and " π " the shape structural body includes road deck
1 and reinforcing rib 2, the reinforcing rib 2 is equipped with through-hole 5, is connected by the through-hole 5 using rope 3 when mating formation.
The road deck 1 with a thickness of 2-20mm, width 80-200mm, be highly 10-30mm, length 3000-
6000mm。
The reinforcing rib 2 is straight panel structure, and the straight panel is vertical with road deck 1, is symmetricly set on 1 back side of road deck.
The composite material is formed by 10~35% polyurethane resin and 65~90% reinforcing glass fiber composite,
Wherein polyurethane is basis material, and glass fibre and/or glass felt are reinforcing material；The polyurethane by polyhydric alcohol conjugate material with
Isocyanates reaction is prepared, and wherein the ratio of polyhydric alcohol conjugate material and isocyanates is 1:1-1:1.5；The polyalcohol group
It closes material to be made of the reaction of organic polyhydric alcohol, fire retardant, inner pattern releasing agent applicable, thixotropic agent, dispersing agent and conductive material, fire retardant accounts for polynary
The ratio of alcohol combination material is 0%~20%, to account for the ratio of polyhydric alcohol conjugate material be 0%~10% to conductive material；The enhancing glass
Glass fiber, which refers to, is formed by felt, cloth fabric by braiding by glass fiber yarn and/or glass fiber yarn.
The proportion of the polyhydric alcohol conjugate material be 75 parts of organic polyhydric alcohol, 0~20 part of fire retardant, 3~15 parts of inner pattern releasing agent applicable,
0.8~1.2 part of thixotropic agent, 0.8~1.2 part of dispersing agent and 10 parts of conducting material 0.
The utility model additionally provides a kind of preparation method of mining tunnel road deck, uses pultrusion work using composite material
Skill molding, the specific process is as follows:
1) it is configured according to the composition and content of polyhydric alcohol conjugate material formula；
2) polyhydric alcohol conjugate material is separately added into the storage tank of glue-injection machine to react with isocyanates and prepares high-strength polyurethane,
Glass fibre is entried according to road deck structural requirement in threading board, and imports glue-injection box and mold；
3) after sufficiently infiltrating polyurethane mixture by uninterrupted pumping to glue-injection box and glass fibre, into preparatory heating
To 160 DEG C~220 DEG C molds carry out hot setting pultrusion, its transverse strength of gained road surface board finished product be 80~
150MPa, transverse modulus are 7~20Gpa；
4) be cooled to Surface of profile temperature at 60 DEG C or less using natural wind, according to design tunnel road surface board size into
Row cutting.
Experimental example
One, material formula designs:
The utility model is basis material by high-strength polyurethane, and glass fibre and/or glass felt are reinforcing material, is used
Continuous pultrude process production is prepared.High-strength polyurethane, which is reacted by polyhydric alcohol conjugate material with isocyanates, to be prepared,
Described in polyhydric alcohol conjugate material composition and content it is as shown in table 1.After component in addition to isocyanates is mixed evenly,
Reacted with isocyanates and prepare high-strength polyurethane, above-mentioned resulting high-strength polyurethane after measured, surface resistivity such as table 1
It is shown.
1 flame-retardant and anti-static high-strength polyurethane formula of table and surface resistivity table
Binding test data and actual production process synthesis consider that optimal polyurethane formulations are to be formulated 4 in table 1, i.e., conductive
Material additive amount is 6%, and gained polyurethane surface surface resistivity is 108Ω。
It according to above-mentioned optimization formula, uses glass fibre and/or glass felt for reinforcing material, passes through continuous pultrude process system
Standby tunnel road deck (as shown in Figure 1 and Figure 2).
Two, road deck technical indicator test in tunnel made of different reinforcing materials
Technical indicator test is carried out to according to tunnel road deck made of said ratio and different reinforcing materials.
1, enhanced using simple glass fibre.Specific construction technique are as follows: by the polyhydric alcohol conjugate material of optimization formula with
Isocyanates is separately added into the storage tank of glue-injection machine, and glass fibre is entried according to road deck structural requirement in threading board,
And glue-injection box and mold are imported, enter after polyurethane mixture is sufficiently infiltrated to glue-injection box with glass fibre by uninterrupted pumping
Mold carries out hot setting pultrusion, and wherein mold temperature is 160 DEG C, and board finished product its transverse strength in gained road surface is 80MPa,
Transverse modulus is 7GPa.
2, enhanced using glass fibre and layer glass fabric.Specific construction technique are as follows: by optimization formula
Polyhydric alcohol conjugate material and isocyanates are separately added into the storage tank of glue-injection machine, by glass fibre and glass fabric according to road surface
Plate structural requirement is entried in threading board, and imports glue-injection box and mold, and polyurethane mixture is passed through uninterrupted pumping to note
Glue box and glass fibre enter mold after sufficiently infiltrating and carry out hot setting pultrusion, and wherein mold temperature is 180 DEG C, gained
Board finished product its transverse strength in road surface is 120MPa, transverse modulus 10GPa.
3, enhanced using glass fibre and six layers of glass fabric.Specific construction technique are as follows: by optimization formula
Polyhydric alcohol conjugate material and isocyanates are separately added into the storage tank of glue-injection machine, by glass fibre and glass fabric according to road surface
Plate structural requirement is entried in threading board, and imports glue-injection box and mold, and polyurethane mixture is passed through uninterrupted pumping to note
Glue box and glass fibre enter mold after sufficiently infiltrating and carry out hot setting pultrusion, and wherein mold temperature is 220 DEG C, gained
Board finished product its transverse strength in road surface is 150MPa, transverse modulus 20GPa.
In conclusion the road deck that the enhancing compound polyurethane material of different reinforcing materials is prepared by pultrude process, knot
It closes test data and actual production process synthesis considers, layer glass fabric is added in glass fibre and carries out reinforcing effect
It is best.Gained road surface plate material transverse strength is 120MPa, transverse modulus 10GPa.Test result is as follows shown in table.
Embodiment
It is formulated according to listed by table 1, is formed using pultrude process: under the tractive force effect of traction machine equipment, by glass fibers
Yarn and/or glass fabric are tieed up, after the infiltration of mixed polyurethane resin, by being previously heated to 160 DEG C -220
DEG C mold be heating and curing molding, Surface of profile temperature is cooled at 60 DEG C or less using natural wind, according to design tunnel
Road surface board size is cut.The cross section of tunnel road deck may be designed to " π " type structure (as depicted in figs. 1 and 2).
Fig. 4 show the structural schematic diagram of the utility model flooring mode.
The method for paving of the utility model includes the following steps:
When the utility model road panel is mated formation: according to the width in tunnel, more tunnel road decks being arranged side by side, are used
Nylon rope is each passed through the through-hole 5 on the board ends reinforcing rib of tunnel road surface, and the tunnel road deck being arranged together is connected to
Together, rope ends respectively knot, and do not wind plate, do not influence evenness of road surface.The diameter of nylon rope is slightly less than on reinforcing rib
The diameter of through-hole 5 is generally advisable with being less than 0.5mm~1mm.It, can when road deck is longer in order to guarantee that it is firm that road deck is laid with
Increase the quantity of rope connection in the middle section of road deck.
The rope 3 is the nylon rope of diameter 3mm~10mm, and preferred scope is 4mm~8mm, 3 diameter ratio " π " of rope
It is logical to be more preferably selected as 3 diameter ratio " π " type structural bead 2 of rope by the through-hole small 0mm~2mm of 5 diameter on type structural bead 2
The hole small 0.5mm~1mm of 5 diameter.
When the utility model road panel is mated formation: at least both ends are using rope connection or multiple groups panel between multiple groups panel
Between place the limitation pipe that is through on rope using rope connection, at least rope ends respectively knot, by reinforcing rib after connecting
Side is placed on sub-surface.
The utility model road panel can be completed in groups according to a specified method on mine, move to underground and be laid to road
Face can also first move under mine and directly be laid to road surface according still further to above method connection.Tunnel road deck will be equipped with after connecting
The one of reinforcing rib is placed on sub-surface.
Fig. 3 show the schematic cross-section of flooring mode of the present invention.
Cause adjacent two road decks appearance staggeredly or overlapping cases since vehicle rolls in order to prevent, on two road surfaces
Limitation pipe is equipped between plate, which is through on rope, and limitation pipe outside diameter is more bigger than road deck reinforcing rib 5 diameters of through-hole, and one
As be advisable with big 0.5mm~6mm, prevent limitation pipe across reinforcing rib through-hole 5；The internal diameter for limiting pipe is slightly larger than rope diameter, with
Rope, which can pass through, to be advisable, and length two reinforcing rib the distance between adjacent with two road decks for limiting pipe matches,
The limitation pipe can be pvc pipe, TPU pipe or PET pipe.
For the utility model using high hardness polyurethane as basis material, glass fibre is reinforcing material, using continuous pultrusion work
The π type structure of skill production, with high intensity, high-modulus, environmental-friendly, corrosion-resistant, good toughness, nail-holding ability is strong, installation is succinct, tears open
The polymer composite for unloading convenience, the light flame-retardant reused, is laid with by distinctive rope connection type, is made
Standby and paving mode greatly shortens construction and the curing cycle on tunnel road surface, use cost is greatly lowered, while also relying on
The good characteristic of material itself, perfect structure design, advanced processing technology and efficient paving mode, so that it is laid with
Road surface there is excellent service performance under dynamic loading, and can realize and recycle.Also have compared to other traditional materials
More excellent performance is the composite material that comprehensive performance is best in current pultrusion molding process.It is used as road panel
Have many advantages, such as that transport is easy, it is high-efficient to mat formation, be not necessarily to maintenance, be detachably recycled.
The utility model the embodiment above, is merely illustrative, be not it is only, it is all in the scope of the utility model
Or it is surrounded by the utility model in equivalent the scope of the utility model by changing class " π " the type structure of reinforcing rib structure.
Claims (6)
1. a kind of mining tunnel road deck, it is characterised in that: the mining tunnel road deck is the section made of composite material
For " π " shape structural body, " π " the shape structural body includes road deck (1) and reinforcing rib (2), and the reinforcing rib (2) is equipped with through-hole
(5), it is connected by the through-hole (5) using rope (3) when mating formation.
2. mining tunnel road deck according to claim 1, it is characterised in that: the road deck (1) with a thickness of 2-
20mm, width 80-200mm are highly 10-30mm, length 3000-6000mm.
3. mining tunnel road deck according to claim 1, it is characterised in that: the reinforcing rib (2) is straight panel structure,
The straight panel is vertical with road deck (1), is symmetricly set on road deck (1) back side.
4. mining tunnel road deck according to claim 1,2 or 3, it is characterised in that: multiple groups face when road panel is mated formation
At least both ends are using the limitation pipe (4) that placement is through on rope (3) between rope (3) connection or multiple groups panel, rope between plate
(3) both ends respectively knot, and reinforcing rib (2) side is placed on sub-surface after connecting.
5. mining tunnel road deck according to claim 4, it is characterised in that: the rope (3) is diameter 3mm~10mm
Nylon rope, through-hole (5) small 0mm~2mm of diameter on rope (3) diameter ratio " π " type structural bead (2).
6. mining tunnel road deck according to claim 4, it is characterised in that: limitation pipe (4) be internal diameter with it is above-mentioned
At least one of pvc pipe, TPU pipe and PET tubing products that rope (3) diameter matches, limit pipe outside diameter ratio " π " type structural strengthening
Muscle (2) through-hole (5) big 0.5mm~6mm of diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164963.5U CN208455395U (en) | 2018-07-23 | 2018-07-23 | A kind of mining tunnel road deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164963.5U CN208455395U (en) | 2018-07-23 | 2018-07-23 | A kind of mining tunnel road deck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208455395U true CN208455395U (en) | 2019-02-01 |
Family
ID=65180525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821164963.5U Active CN208455395U (en) | 2018-07-23 | 2018-07-23 | A kind of mining tunnel road deck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208455395U (en) |
-
2018
- 2018-07-23 CN CN201821164963.5U patent/CN208455395U/en active Active
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