CN209608297U - A kind of railway construction heat preservation weight gain cover board - Google Patents
A kind of railway construction heat preservation weight gain cover board Download PDFInfo
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- CN209608297U CN209608297U CN201920619681.8U CN201920619681U CN209608297U CN 209608297 U CN209608297 U CN 209608297U CN 201920619681 U CN201920619681 U CN 201920619681U CN 209608297 U CN209608297 U CN 209608297U
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- weight gain
- heat preservation
- cover board
- railway construction
- backboard
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Abstract
The utility model discloses a kind of railway construction heat preservation weight gain cover boards, and the reinforcement net is by being fixedly connected on the panel bottom and criss-cross protruding reinforcing rib is constituted;The reinforcement net bottom offers mounting groove, and is embedded with attaching nut at the reinforcing rib crossed node being located in the mounting groove, and the weight gain layer and the insulating layer are from top to bottom sequentially located in the mounting groove;Bolt hole corresponding with the attaching nut is provided on the backboard, the insulating layer and the weight gain layer, connection bolt passes through the threaded hole and is spirally connected with the attaching nut, by the backboard to the mounting groove block;The utility model panel, reinforcing rib and backboard pass through the mould pressing process machine-shaping of high temperature and pressure using graphene fiber enhancing composite material, it ensure that higher structural strength, insulating layer and weight gain layer can be realized the double effects of heat preservation and weight gain, so that cover board is also equipped with heat preservation while having compared with load capacity and enhance the function of self stability.
Description
Technical field
The utility model relates to railway engineering technology field, the heat preservation weight gain of more particularly to a kind of railway construction
Cover board.
Background technique
In recent years, China express railway is fast-developing, on the basis of a large amount of high-speed railway routes built up, still has at present
A large amount of branch railway lines, inter-city passenger rail, subway line are being planned and are being built, so the new upsurge of railway construction will be started.
In the two sides of railway tunnel, equipped with for cable laying cable trough and for the groove of draining.Generally for protection
Cable is equipped with cover board on cable trough, while in order to guarantee the unimpeded of groove, avoiding sundries from entering groove, also setting on groove
There is cover board.
It is used currently, the cable trough cover boards of the Railway Prestressed Concrete box-girder used also serve as sidewalk slab, Chang Cai
With precast rc slab or prefabricated RPC (Reactive Powder Concrete) plate or pre-manufactured inorganic composite concrete plate.It is mixed
Solidifying soil tee girder sidewalk slab mainly uses precast rc slab or steel plate, and precast rc slab, which is easy to appear, to be split
Phenomena such as line, dew muscle, carbonization, there are the disadvantages such as big weight, easy to damage, poor thermal insulation property, the poor, globality poor of leakproofness.
And steel plate is easy to appear the problem of corrosion, prefabricated RPC plate and pre-manufactured inorganic composite concrete plate want manufacturing process
Ask higher, the problems such as when poor quality will appear insufficient intensity, cracking or deformation.In a word using the cable trough of traditional material production
Cover board is easy deterioration, and durability is bad, and traditional cover board body heavier-weight, inspects periodically and maintenance inconvenience, work business
Management cost is higher, and works as cover board when something goes wrong, will cause tunnel groove blocking, impeded drainage, injury to personnel and engineering
Mechanical failure etc. influences, and in turn results in substrate sinking, railway roadbed ice, influences the secondary disasters such as operation.
Simultaneously, on the one hand, railway engineering cover board is usually armored concrete single layer integral structure, cannot achieve heat preservation
Effect.However, China has a vast territory, there is a variety of entirely different weathers and use condition, therefore to cover board heat insulation function
It is required that also different, this requires the cover boards in cold use environment to have heat insulation function;
On the other hand, existing railwayed train operation speed per hour is higher, when the higher train of speed passes through, near track
It will form stronger negative pressure space, the presence of subnormal ambient often impacts the object on track periphery, so for lid
The self weight of plate also has certain requirement, and railway engineering cover board is needed to have certain self weight, is passed through with resisting high speed per hour train
When the negative pressure suction force that generates.
Therefore, a kind of structural strength height, good heat insulating, the railway construction with larger self weight how is provided to be increased with heat preservation
The problem of weight cover board is those skilled in the art's urgent need to resolve.
Utility model content
In view of this, the present invention provides a kind of railway construction heat preservation weight gain cover boards, and panel and reinforcing rib use
Graphene fiber enhances the mould pressing process machine-shaping that composite material passes through high temperature and pressure, ensure that higher structural strength, if
The insulating layer set can be realized excellent heat insulation effect, and cover board is made to have heat insulation function while having compared with load capacity, be applicable in
It is used in low temperature situation;The weight gain layer of setting can be realized the negative pressure suction force resisted and generated when high speed per hour train passes through, and keep
Self stability makes cover board be also equipped with stronger self stability while having compared with load capacity, is suitable for high speed per hour train
Architectural engineering occasion uses;When mating formation, adjacent two pieces of railway constructions are connected with heat preservation weight gain cover board using step interconnection, are had
Preferable leakproofness.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of railway construction heat preservation weight gain cover board, including panel, reinforcement net, insulating layer, weight gain layer and backboard;Its
In, the reinforcement net is by being fixedly connected on the panel bottom and criss-cross protruding reinforcing rib is constituted;Add positioned at described
The reinforcing rib bottom in the middle part of strengthening tendons net offers mounting groove, and the reinforcing rib being located in the mounting groove intersects section
It is embedded with attaching nut at point, the weight gain layer and the insulating layer are from top to bottom sequentially located in the mounting groove;The back
Bolt hole corresponding with the attaching nut is provided on plate, the insulating layer and the weight gain layer, connection bolt passes through institute
It states bolt hole to be spirally connected with the attaching nut, by the backboard to the mounting groove block.
Panel is fixedly connected with reinforcement net in the utility model, the support by reinforcement net to panel, overall structure
Enhanced strength makes cover board loading capacity with higher, and the mounting groove for being provided with reinforcement net bottom, which can accommodate, has good protect
The insulating layer of temp effect and weight gain layer with gaining effect realize cover board in the case where not increasing cover board integral thickness
Heat preservation and weight gain function;It is embedded with attaching nut at reinforcing rib crossed node in mounting groove, passes through attaching nut and company
Backboard is fixed on installation channel opening by being spirally connected for connecting bolt, realizes the block to mounting groove notch, can not only be by insulating layer
With weight gain layer lift below panel and reinforcement net, additionally it is possible to realize to insulating layer and weight gain layer sealing, prevent moisture and
Moisture, which enters, influences heat insulation effect in mounting groove, and prevents weight gain layer residue from leaking out by gap, influences gaining effect.
Preferably, in a kind of above-mentioned railway construction in heat preservation weight gain cover board, described panel a side is epitaxially formed step
Formula overlaps public security frontier bureau, and the opposite another side of the panel, which is recessed inwardly to be formed, overlaps the step that public security frontier bureau is adapted to the step
Overlap female side.
It is using the beneficial effect of above technical scheme: when mating formation, adjacent railway construction heat preservation weight gain may be implemented
Overlap joint between cover board, and there is certain lap seal.
Preferably, in a kind of above-mentioned railway construction in heat preservation weight gain cover board, the backboard uses surrounding convex type groove
Formula design, and slot opening is back to the insulating layer.
It is using the beneficial effect of above technical scheme: after backboard is fixed by connection bolt, backboard surrounding protrusion
Groove walls can be fitted closely with the inner wall of mounting groove, be sealed to the mounting groove where insulating layer, prevented moisture and moisture
Heat insulation effect is influenced in into mounting groove, and prevents weight gain layer in routine use, is generated by situations such as friction or vibration
Residue by gap leak out, influence gaining effect.
Preferably, a kind of above-mentioned railway construction in heat preservation weight gain cover board, offered on the weight gain layer with it is described convex
The corresponding groove of reinforcing rib is played, the weight gain layer is enable to be embedded in the reinforcement net.
It is using the beneficial effect of above technical scheme: so that weight gain layer part is embedded in the reinforcement net, reduce
The groove depth of mounting groove, reduction are slotted on reinforcement net and are influenced caused by its structural strength.
Preferably, in a kind of above-mentioned railway construction in heat preservation weight gain cover board, the insulating layer is using rigid poly urethanes
Insulation board made of cellular insulant has good heat insulation effect.
Preferably, in a kind of above-mentioned railway construction in heat preservation weight gain cover board, the weight gain layer is using after concrete setting
It is made, not only there is good gaining effect, but also low in cost.
Preferably, in a kind of above-mentioned railway construction in heat preservation weight gain cover board, the reinforcing rib is vertical with the panel
Stiffener plate, and the criss-cross stiffener plate is orthogonal.
It is using the beneficial effect of above technical scheme: enhances reinforcement net and panel construction intensity.
Preferably, in a kind of above-mentioned railway construction in heat preservation weight gain cover board, the connection bolt and the attaching nut
It is mating to be provided with 9 groups, be respectively uniformly distributed on the backboard and the reinforcement net, make insulating layer and backboard uniform force and
Stable connection.
Preferably, in a kind of above-mentioned railway construction in heat preservation weight gain cover board, the connection bolt is stainless steel bolt, institute
Stating attaching nut is stainless steel nut, prevents from corroding.
Preferably, in a kind of above-mentioned railway construction in heat preservation weight gain cover board, the reinforcement net and the panel are one
Body formula structure, has stronger mechanical property, and the reinforcement net, the panel and the backboard are all made of graphene fiber increasing
Strong composite material is formed by high temperature and pressure mould pressing process integral production.
It can be seen via above technical scheme that compared with prior art, the utility model, which discloses, provides a kind of railway work
With weight gain cover board is kept the temperature, panel is fixedly connected journey with reinforcement net in the utility model, is had by reinforcement net to panel
Power support, reinforcing rib is the stiffener plate vertical with panel, and the criss-cross stiffener plate is orthogonal, enhances
Reinforcement net and panel overall structural strength, make cover board loading capacity with higher;It is provided with the mounting groove of reinforcement net bottom
The insulating layer with good heat preservation effect and the weight gain layer with gaining effect can be accommodated, cover board integral thickness is not being increased
In the case of, so that cover board is realized heat preservation and weight gain function, offers ditch corresponding with the protruding reinforcing rib on the weight gain layer
Slot enables the weight gain layer to be partially submerged into the reinforcement net, reduces the groove depth of mounting groove, reduces in reinforcement net
Upper fluting is influenced caused by its structural strength;
It is embedded with attaching nut at reinforcing rib crossed node in mounting groove, passes through attaching nut and the spiral shell for connecting bolt
It connects and backboard is fixed on installation channel opening, realize the block to mounting groove notch, it can not only be by insulating layer and weight gain layer support
It lifts below panel and reinforcement net, additionally it is possible to realize the sealing to insulating layer and weight gain layer, the backboard is using surrounding protrusion
The design of formula groove type, and slot opening, back to the insulating layer, after being fixed backboard by connection bolt, backboard surrounding is raised
Groove walls can be fitted closely with the inner wall of mounting groove, to insulating layer and weight gain layer where mounting groove be sealed, prevent
Moisture and moisture, which enter, influences heat insulation effect in mounting groove, and prevents weight gain layer in routine use, by rubbing or shaking
Situations such as the residue that generates leaked out by gap, influence gaining effect.
Panel a side is epitaxially formed step overlap joint public security frontier bureau, and the opposite another side of panel, which is recessed inwardly, to be formed and step
The step that formula overlaps public security frontier bureau adaptation overlaps female side, when mating formation, may be implemented adjacent railway construction heat preservation increase weight cover board it
Between overlap joint, and have certain lap seal.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawing is the perspective view of the utility model;
Fig. 2 attached drawing is the top view of the utility model;
Fig. 3 attached drawing is the side view of the utility model;
Fig. 4 attached drawing is the bottom view of the utility model;
Fig. 5 attached drawing is the cross-sectional view of the utility model;
Fig. 6 attached drawing is the installation diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment discloses a kind of railway construction heat preservation weight gain cover board, and panel and reinforcing rib use graphite
Alkene fibre reinforced composites pass through the mould pressing process machine-shaping of high temperature and pressure, ensure that higher structural strength, setting
Insulating layer can be realized excellent heat insulation effect, and cover board is made to have heat insulation function while having compared with load capacity, be suitable for low
Thermal field, which is closed, to be used;When mating formation, adjacent two pieces of railway constructions are connected with heat preservation weight gain cover board using step interconnection, are had preferable
Leakproofness.
In conjunction with attached drawing 1-6, the utility model embodiment discloses a kind of railway construction heat preservation weight gain cover board, including panel
1, reinforcement net 2, insulating layer 3, weight gain layer 6 and backboard 4;Wherein, reinforcement net 2 is by being fixedly connected on 1 bottom of panel and in length and breadth
Staggered protruding reinforcing rib is constituted;Reinforcing rib bottom positioned at 2 middle part of reinforcement net offers mounting groove, and is located at mounting groove
Attaching nut is embedded at interior reinforcing rib crossed node, weight gain layer 6 and insulating layer 3 are from top to bottom sequentially located in mounting groove;
Be provided with bolt hole corresponding with attaching nut on backboard 4, insulating layer 3 and weight gain layer 6, connection bolt 5 pass through bolt hole with
Attaching nut is spirally connected, by backboard 4 to mounting groove block.
In order to further optimize the above technical scheme, 1 a side of panel is epitaxially formed step overlap joint public security frontier bureau, 1 phase of panel
Pair another side be recessed inwardly to be formed with step overlap joint public security frontier bureau be adapted to step overlap joint mother side.
It is using the beneficial effect of above technical scheme: when mating formation, adjacent railway construction heat preservation weight gain may be implemented
Overlap joint between cover board, and there is certain lap seal.
In order to further optimize the above technical scheme, backboard 4 is designed using surrounding convex type groove type, and slot opening
Back to insulating layer 3.
It is using the beneficial effect of above technical scheme: after backboard 4 is fixed by connection bolt 5, backboard 4 surrounding protrusion
Groove walls can be fitted closely with the inner wall of mounting groove, the mounting groove where insulating layer 3 is sealed, moisture and water are prevented
Divide to enter and influence heat insulation effect in mounting groove, and prevent weight gain layer 6 in routine use, is produced by situations such as friction or vibration
Raw residue is leaked out by gap, influences gaining effect.
In order to further optimize the above technical scheme, groove corresponding with protruding reinforcing rib is offered on weight gain layer 6, makes to increase
Double-layer 6 can be partially submerged into reinforcement net 2.
It is using the beneficial effect of above technical scheme: so that weight gain layer 6 is partially submerged into reinforcement net 2, reduce peace
The groove depth of tankage, reduction are slotted on reinforcement net 2 and are influenced caused by its structural strength.
In order to further optimize the above technical scheme, insulating layer 3 is using made of hard polyurethane foam thermal insulation material
Insulation board has good heat insulation effect.
In order to further optimize the above technical scheme, weight gain layer 6 is not only had good using being made after concrete setting
Good gaining effect, and it is low in cost.
In order to further optimize the above technical scheme, reinforcing rib is the stiffener plate vertical with panel 1, and criss-cross
Stiffener plate it is orthogonal.
It is using the beneficial effect of above technical scheme: enhances reinforcement net 2 and 1 structural strength of panel.
In order to further optimize the above technical scheme, it connects bolt 5 and attaching nut is mating is provided with 9 groups, it is uniform respectively
It is distributed on backboard 4 and reinforcement net 2, makes insulating layer 3 and 4 uniform force of backboard and stable connection.
In order to further optimize the above technical scheme, connection bolt 5 is stainless steel bolt, and attaching nut is stainless steel spiral shell
Mother prevents from corroding.
In order to further optimize the above technical scheme, reinforcement net 2 is an integral structure with panel 1, has stronger power
Performance is learned, reinforcement net 2, panel 1 and backboard 4 are all made of graphene fiber enhancing composite material and pass through high temperature and pressure mould pressing process
Integral production forms.
In order to further optimize the above technical scheme, according to the weight of actual use occasion selection weight gain layer 3, for train
The speed per hour weight gain layer partially light using weight in the occasion of 200-300KM/h, the occasion for train speed per hour in 300KM/h or more make
With weight partially in weight gain layer, by adjust weight gain layer 3 make when concrete dosage, to weight gain layer 3 weight be adjusted.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of railway construction heat preservation weight gain cover board, which is characterized in that including panel, reinforcement net, insulating layer, weight gain layer and
Backboard;Wherein, the reinforcement net is by being fixedly connected on the panel bottom and criss-cross protruding reinforcing rib is constituted;It is located at
The reinforcing rib bottom in the middle part of the reinforcement net offers mounting groove, and the reinforcing rib being located in the mounting groove
Attaching nut is embedded at crossed node, the weight gain layer and the insulating layer are from top to bottom sequentially located in the mounting groove;
It is provided with bolt hole corresponding with the attaching nut on the backboard, the insulating layer and the weight gain layer, connects bolt
It is spirally connected across the bolt hole and the attaching nut, by the backboard to the mounting groove block.
2. a kind of railway construction according to claim 1 heat preservation weight gain cover board, which is characterized in that described panel a side
It is epitaxially formed step overlap joint public security frontier bureau, the opposite another side of the panel, which is recessed inwardly to be formed, overlaps public security frontier bureau with the step
The step of adaptation overlaps female side.
3. a kind of railway construction according to claim 1 heat preservation weight gain cover board, which is characterized in that the backboard uses four
The design of all convex type groove types, and slot opening is back to the insulating layer.
4. a kind of railway construction according to claim 1 heat preservation weight gain cover board, which is characterized in that opened on the weight gain layer
Equipped with groove corresponding with the protruding reinforcing rib, the weight gain layer is enable to be embedded in the reinforcement net.
5. a kind of railway construction according to claim 1 heat preservation weight gain cover board, which is characterized in that the insulating layer is to adopt
The insulation board made of hard polyurethane foam thermal insulation material.
6. a kind of railway construction according to claim 1 heat preservation weight gain cover board, which is characterized in that the weight gain layer uses
It is made after concrete setting.
7. a kind of railway construction according to claim 1 heat preservation weight gain cover board, which is characterized in that the reinforcing rib be with
The vertical stiffener plate of the panel, and the criss-cross stiffener plate is orthogonal.
8. a kind of railway construction according to claim 1 heat preservation weight gain cover board, which is characterized in that the connection bolt with
The attaching nut is mating to be provided with 9 groups, is respectively uniformly distributed on the backboard and the reinforcement net.
9. a kind of railway construction according to claim 8 heat preservation weight gain cover board, which is characterized in that the connection bolt is
Stainless steel bolt, the attaching nut are stainless steel nut.
10. a kind of railway construction according to claim 1 heat preservation weight gain cover board, which is characterized in that the reinforcement net
It is an integral structure with the panel, it is multiple that the reinforcement net, the panel and the backboard are all made of graphene fiber enhancing
Condensation material is formed by high temperature and pressure mould pressing process integral production.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109950853A (en) * | 2019-04-30 | 2019-06-28 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of railway construction heat preservation weight gain cover board |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109950853A (en) * | 2019-04-30 | 2019-06-28 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of railway construction heat preservation weight gain cover board |
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