CN208618264U - A kind of Lightweight high-strength composite material railroad bridge bridge floor bracket - Google Patents
A kind of Lightweight high-strength composite material railroad bridge bridge floor bracket Download PDFInfo
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- CN208618264U CN208618264U CN201821189266.5U CN201821189266U CN208618264U CN 208618264 U CN208618264 U CN 208618264U CN 201821189266 U CN201821189266 U CN 201821189266U CN 208618264 U CN208618264 U CN 208618264U
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- round tube
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- vertical supporting
- supporting plate
- fixed plate
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Abstract
The utility model discloses a kind of Lightweight high-strength composite material railroad bridge bridge floor bracket, the bracket includes the round tube fixed plate and vertical supporting plate on same facade and being arranged in a mutually vertical manner；The inner end of the vertical supporting plate is the interconnecting piece for installing foot plank, the outer end of vertical supporting plate is balance portion, being horizontally disposed on the top end face of vertical supporting plate interconnecting piece has the foot plank connecting plate connecting by bolt with foot plank, and the inner end of vertical supporting plate is provided with the bridge built-in fitting connecting plate that bolt is connect with the pre-buried steel part of bridge；In the round tube fixed plate and the intersection of round tube fixed plate and vertical supporting plate is provided with several round tube via holes that adjacent stent is connected across round tubes, and all even cloth of round tube via hole are arranged and are located on the central axes of round tube fixed plate.The bracket of the utility model preparation can reduce the load of bridge and its project amount of dependency structure, reduce operating expenses, reduce the maintenance workload of bridge floor affiliated facility for substituting weather-proof steel bracket.
Description
Technical field
The utility model relates to bridge structure technical field, the bridge floor bracket of especially a kind of railroad bridge.
Background technique
Important component of the bracket as railroad bridge bridge floor affiliated facility, main function are provided side walk slab
Support provides operation path for work business personnel's walkaround inspection or maintenance, while also providing installation for cables such as communication, signals
Channel, therefore, railroad bridge bridge floor bracket must have robustness, toughness and durability, and be easily installed.
Currently, the side walk slab of railroad bridge mostly uses concrete pavement plate, it is the biggish concrete pavement of supported weight
Plate, generallys use weather-proof steel bracket to support, and along with weather-proof steel bracket is cheap, production is simple, therefore it is in railway bridge
Beam two sides using relatively broad.But 1) application of weather-proof steel bracket has the following deficiencies: using after precasting yard machine-shaping
In-site installation is arrived again, and working procedure is more complicated, and installation is difficult；2) although weathering steel timbering material uses weather-proof
Steel, but there is still a need for moppings to be protected on surface, falls off because surface lacquer is easily damaged, and the later period needs frequent mopping maintenance, so
Time and effort consuming is conserved, overall cost is increased；3) weather-proof steel bracket is irradiated in strong environment in severe cold and ultraviolet light and is deteriorated sternly
Weight, replacement maintenance time and effort consuming, causes overall cost huge；4) weather-proof steel bracket and concrete pavement plate weight are huge, increase
Bridge structure design intensity and installation, the time of maintenance replacement and difficulty.Above-mentioned these problems, not only affect bracket
Installation effectiveness, also will affect driving transport, and for the railway maintenance personnel for walking in boardwalk on bracket for a long time
It will cause some potential safety problems.
Utility model content
The utility model technical issues that need to address are to provide a kind of Lightweight high-strength composite material railroad bridge bridge floor branch
Frame to mitigate the load of bridge and its project amount of dependency structure, reduces operating expenses, reduces for substituting weather-proof steel bracket
The maintenance workload of bridge floor affiliated facility.
In order to solve the above technical problems, technical solution adopted in the utility model is as follows.
A kind of Lightweight high-strength composite material railroad bridge bridge floor bracket, including be located on same facade and be arranged in a mutually vertical manner
Round tube fixed plate and vertical supporting plate, round tube fixed plate and vertical supporting plate be resin integrated formed structure；The vertical branch
The inner end of fagging is the interconnecting piece for installing foot plank, and the outer end of vertical supporting plate is balance portion, the top of vertical supporting plate interconnecting piece
Being horizontally disposed on end face has the foot plank connecting plate connecting by bolt with foot plank, and the inner end of vertical supporting plate is provided with
The bridge built-in fitting connecting plate that bolt is connect with the pre-buried steel part of bridge；In the round tube fixed plate and round tube fixed plate and vertical
The intersection of support plate is provided with several round tube via holes that adjacent stent is connected across round tube, all even cloth settings of round tube via hole
And it is located on the central axes of round tube fixed plate.
A kind of above-mentioned Lightweight high-strength composite material railroad bridge bridge floor bracket, the front side edge of the round tube fixed plate, rear side
Edge and top edge and the top edge of vertical supporting plate, front side edge and bottom are provided with along place towards the left and right sides and symmetrical wing side.
A kind of above-mentioned Lightweight high-strength composite material railroad bridge bridge floor bracket, the top edge level of the vertical supporting plate are set
It sets, the bottom edge of vertical supporting plate is successively increased from front end to rear end at arc line shaped.
A kind of above-mentioned Lightweight high-strength composite material railroad bridge bridge floor bracket, the interconnecting piece of the vertical supporting plate are provided with
The reinforcing rib of vertical direction, the width of reinforcing rib are less than the width on wing side.
A kind of above-mentioned Lightweight high-strength composite material railroad bridge bridge floor bracket, the bridge built-in fitting connecting plate are arranged two altogether
Block, two pieces of bridge built-in fitting connecting plates are separately fixed at the top and bottom end of vertical support postlaminar part.
A kind of above-mentioned Lightweight high-strength composite material railroad bridge bridge floor bracket, the round tube fixed plate are up-narrow and down-wide ladder
Shape structure, the top edge arc setting of round tube fixed plate.
Round tube via hole is arranged in the round tube fixed plate for a kind of above-mentioned Lightweight high-strength composite material railroad bridge bridge floor bracket
Position plate thickness be greater than round tube fixed plate thickness and be less than wing side width.
Due to using above technical scheme, technological progress acquired by the utility model is as follows.
The utility model uses composite resin transfer molding technology, by reinforcing material and heat reactive resin using insertion
The integrated bridge floor bracket that mode is prepared has small intensity height, density, light weight, durability good, with long service life
Feature, for as sidewalk pedestrian andante support and mounting structure, construct it is very convenient, greatly reduce construction and support
Protect the workload of maintenance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of bracket described in the utility model.
Wherein: 1. round tube fixed plates, 2. balance portions, 3. round tube via holes, 4. foot plank connecting plates, 5. vertical supporting plates, 6.
Intersection, 7. reinforcing ribs, 8. bridge built-in fitting connecting plates.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
A kind of Lightweight high-strength composite material railroad bridge bridge floor bracket, structure is as shown in Figure 1, round tube fixed plate 1 and vertical
Formula support plate 5, round tube fixed plate 1 and vertical supporting plate 5 are located on same facade and are arranged in a mutually vertical manner；Vertical supporting plate 5
Top edge is horizontally disposed, and the bottom edge of vertical supporting plate 5 is successively increased from front end to rear end at arc line shaped；Round tube fixed plate 1 is upper narrow
Lower wide trapezium structure, the top edge arc setting of round tube fixed plate.In the utility model, the front side edge of round tube fixed plate 1, rear side
Edge and top edge and the top edge of vertical supporting plate 5, front side edge and bottom are provided with along place towards the left and right sides and symmetrical wing side,
To make entire bracket be rendered as symmetrical I-shaped structure.In the present embodiment, the horizontal length of bracket entirety and vertical
Height about 2m, the width on wing side about 10cm.
The inner end of vertical supporting plate is interconnecting piece, for installing foot plank；The outer end of vertical supporting plate is balance portion 2, is used
In its reinforcement and balanced action, while also installation passage can be provided for cables such as communication, signals；It embodies in the present embodiment,
I.e. the inner end height of vertical supporting plate be greater than vertical supporting plate outer end height, as shown in Figure 1.
Being horizontally disposed on the top end face of vertical supporting plate interconnecting piece has foot plank connecting plate 4, opens up on foot plank connecting plate 4
There are several through-holes, foot plank connecting plate 4 is connect by passing through the bolt of through-hole with foot plank.In the utility model, foot plank connects
Fishplate bar thickeies setting, and thickness setting is about 3cm, to increase bonding strength.
The inner end of vertical supporting plate is provided with bridge built-in fitting connecting plate 8, and bridge built-in fitting connecting plate 8 is arranged two pieces altogether,
Two pieces of bridge built-in fitting connecting plates 8 are separately fixed at the top and bottom end at 5 rear portion of vertical supporting plate, as shown in Figure 1, bridge is pre-buried
Also the through-hole through vertical supporting plate is offered on part connecting plate 8, vertical supporting plate is by passing through bridge built-in fitting connecting plate 8
Bolt is connect with the pre-buried steel part of bridge.
To play the role of reinforcing supporting, in the utility model, the interconnecting piece of vertical supporting plate 5 is provided with vertical direction
Reinforcing rib 7, the width of reinforcing rib are less than the width on wing side, the integral thickness of reinforcing rib about 3cm.
In round tube fixed plate 1 and the intersection of round tube fixed plate 1 and vertical supporting plate 5 is provided with several round tube via holes 3,
Round tube via hole 3 is used for across round tube to connect adjacent stent, and all even cloth of round tube via hole are arranged and are located at circle in the utility model
On the central axes of pipe fixed plate, as shown in Figure 1.
For the installation strength for improving round tube, the position that round tube via hole 3 is arranged in the utility model in round tube fixed plate 1 is done
Thickening is handled, and the thickness of plate is greater than the thickness of round tube fixed plate and is less than the width on wing side, about 3cm at thickening.
In the utility model, round tube fixed plate 1, vertical supporting plate 5 and wing side are by thermosetting resin one-time cast-forming, heat
Reinforcing material is embedded in thermosetting resin, reinforcing material selects glass fibre.
When prepared by the utility model, reinforcing material is mainly coated in advance in closed mould cavity, then by thermosetting property tree
Rouge is injected into die cavity, infiltrates reinforcing material therein, and resin solidifies demoulding under room temperature or Elevated Temperature Conditions, when necessary again to de-
Product after mould carries out the post-processing such as surface polishing, polishing, obtains the smooth product in surface.Specifically include following steps.
A. mold cleaning.The mold that the utility model is used to produce bridge floor bracket is mainly made of four parts, including
It cooperates to form upper mold, middle mould, lower die and the cover board of bracket die cavity, is respectively arranged with gum outlet in cover plate and lower die
And gum-injecting port.It before being molded, needs to clean mold and coat release agent, to guarantee the superficiality of shaped support
Can, and it is conveniently stripped.
B. glass fibre is placed in a mold；During forming die cavity, glass fibre is placed.
Firstly, placing lower die, there is boss corresponding with bracket shape in lower die, is laid with suitably on boss with side
The glass fibre of the number of plies；Secondly, middle mould is placed in lower die, the hollow structure of bracket shape is provided on middle mould, this is hollow
Structure is fitted on the boss of lower die, is laid with the glass fibre of the appropriate number of plies in the side of hollow structure；Then, upper mold is placed
On middle mould, there is boss corresponding with bracket shape in upper mold, is laid with the glass of the appropriate number of plies in the upper surface of boss and side
Fiber, and by glass fibre be tucked on one side in middle mould to lower die just above.
C. molding clamps；After glass fibre is placed, by cover plate lid above middle mould, whole set of die is pressed from both sides with bolt
Tightly.And gum outlet all on cover board is converged into a mouth, and be controlled to a vacuum pump by injected rubber hose.
D. thermosetting resin is injected into mold；Using injection process process, start vacuum pump and vacuumize, and uses injector
Thermosetting resin is injected in the die cavity formed to mold, and infiltrates the glass fibre in die cavity.
E. resin solidification；After at least solidifying 6h at room temperature, moulding/demoulding is opened.
F. surface polishing, grinding process are carried out to the product after demoulding, obtains the smooth bridge floor bracket in surface.
The bridge floor bracket of the utility model preparation, due to the heat reactive resin of lighter weight is mainly used to prepare for it
At, therefore overall weight is lighter；The reinforcing material being embedded in heat reactive resin is greatly improved the product strength after solidifying, and leads to
It crosses to the position being connect with other using processing mode is thickeied, the installation strength and support force of bracket also can be improved；In addition, due to
The main material of the utility model uses heat reactive resin, therefore the bracket prepared can avoid environment without carrying out antirust treatment
Erosion, or even accomplish non-maintaining, greatly reduce the maintenance workload of bridge floor affiliated facility.
Claims (7)
1. a kind of Lightweight high-strength composite material railroad bridge bridge floor bracket, it is characterised in that: including be located at same facade on and phase
Mutual vertically disposed round tube fixed plate (1) and vertical supporting plate (5), round tube fixed plate (1) and vertical supporting plate (5) are resin one
Forming structure；The inner end of the vertical supporting plate is the interconnecting piece for installing foot plank, and the outer end of vertical supporting plate is balance portion
(2), being horizontally disposed on the top end face of vertical supporting plate interconnecting piece has the foot plank connecting plate connecting by bolt with foot plank
(4), the inner end of vertical supporting plate is provided with the bridge built-in fitting connecting plate (8) that bolt is connect with the pre-buried steel part of bridge；Institute
State on round tube fixed plate (1) and the intersection of round tube fixed plate (1) and vertical supporting plate (5) be provided with it is several pass through round tube with
The round tube via hole (3) of adjacent stent is connected, all even cloth of round tube via hole are arranged and are located on the central axes of round tube fixed plate.
2. a kind of Lightweight high-strength composite material railroad bridge bridge floor bracket according to claim 1, it is characterised in that: described
Front side edge, rear side edge and the top edge and the top edge of vertical supporting plate (5), front side edge and bottom of round tube fixed plate (1) are all provided with along place
It is equipped with towards the left and right sides and symmetrical wing side.
3. a kind of Lightweight high-strength composite material railroad bridge bridge floor bracket according to claim 2, it is characterised in that: described
The top edge of vertical supporting plate (5) is horizontally disposed, and the bottom edge of vertical supporting plate (5) is successively increased from front end to rear end at arc line shaped.
4. a kind of Lightweight high-strength composite material railroad bridge bridge floor bracket according to claim 3, it is characterised in that: described
The interconnecting piece of vertical supporting plate (5) is provided with the reinforcing rib (7) of vertical direction, and the width of reinforcing rib is less than the width on wing side.
5. a kind of Lightweight high-strength composite material railroad bridge bridge floor bracket according to claim 3, it is characterised in that: described
Bridge built-in fitting connecting plate (8) is arranged two pieces altogether, and two pieces of bridge built-in fitting connecting plates (8) are separately fixed at vertical supporting plate (5)
The top and bottom end at rear portion.
6. a kind of Lightweight high-strength composite material railroad bridge bridge floor bracket according to claim 2, it is characterised in that: described
Round tube fixed plate (1) is up-narrow and down-wide trapezium structure, and the top edge arc of round tube fixed plate is arranged.
7. a kind of Lightweight high-strength composite material railroad bridge bridge floor bracket according to claim 6, it is characterised in that: described
The position plate thickness that round tube via hole (3) are arranged in round tube fixed plate (1) is greater than the thickness of round tube fixed plate and is less than the width on wing side
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821189266.5U CN208618264U (en) | 2018-07-26 | 2018-07-26 | A kind of Lightweight high-strength composite material railroad bridge bridge floor bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821189266.5U CN208618264U (en) | 2018-07-26 | 2018-07-26 | A kind of Lightweight high-strength composite material railroad bridge bridge floor bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208618264U true CN208618264U (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821189266.5U Active CN208618264U (en) | 2018-07-26 | 2018-07-26 | A kind of Lightweight high-strength composite material railroad bridge bridge floor bracket |
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| CN (1) | CN208618264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611973A (en) * | 2018-07-26 | 2018-10-02 | 铁科腾跃科技有限公司 | A kind of Lightweight high-strength composite material railroad bridge bridge floor holder and forming method |
-
2018
- 2018-07-26 CN CN201821189266.5U patent/CN208618264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611973A (en) * | 2018-07-26 | 2018-10-02 | 铁科腾跃科技有限公司 | A kind of Lightweight high-strength composite material railroad bridge bridge floor holder and forming method |
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