CN214363145U - Precast concrete's high strength safety barrier - Google Patents
Precast concrete's high strength safety barrier Download PDFInfo
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- CN214363145U CN214363145U CN202120406899.2U CN202120406899U CN214363145U CN 214363145 U CN214363145 U CN 214363145U CN 202120406899 U CN202120406899 U CN 202120406899U CN 214363145 U CN214363145 U CN 214363145U
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- buffer
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- baffle
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Abstract
The utility model relates to a high-strength safety guardrail prefabricated by concrete, which comprises a base prefabricated by concrete and a protective plate body, wherein the top of the base is provided with a mounting groove, the outer wall of the mounting groove is provided with a fixed rod, an elastic buffer part is arranged between the inner wall of the mounting groove and the bottom of the protective plate body, the top of the protective plate body is provided with a baffle plate, a reinforced steel plate is arranged in the baffle plate, a fixed bottom plate is arranged in the protective plate body, the top of the protective plate body is provided with a first buffer plate and a second buffer plate, and a buffer energy-absorbing component is respectively arranged between the first buffer plate and the right side wall of the baffle plate and between the second buffer plate and the right side wall of the baffle plate, when collision happens, the impact force is transmitted into the baffle plate through the buffer energy-absorbing component and then transmitted into the mounting groove through the baffle plate, the protective plate body and the elastic buffer part, and the impact force is absorbed through the first buffer plate, the second buffer plate, the buffer energy-absorbing component and the elastic buffer part, through the setting of reinforcing steel plate, PMKD and mounting groove, the structural strength of backplate body has been improved.
Description
Technical Field
The utility model relates to a concrete prefabricated part technical field especially relates to a precast concrete's high strength safety barrier.
Background
The separation zone of the highway is an isolation zone or a safety guardrail, and the most common safety guardrail is a reinforced concrete wall. In practice, there is such a situation, especially in a highway, when a vehicle collides with a safety barrier due to accidents caused by various reasons, the vehicle is damaged seriously due to too fast vehicle speed, so in practice, a buffer mechanism is often added to the safety barrier, the current buffer structure is very inconvenient to lay, generally a buffer pier, the buffer pier is in a trapezoidal block shape, and is often fixed on two sides of the safety barrier in a binding or thread fixing manner, so that the installation is inconvenient, and when the vehicle collides with the safety barrier, because the bottom of the safety barrier is not firmly connected with the ground, and the internal structural strength is not enough, the vehicle easily passes through the safety barrier to rush out of the highway, so that the danger occurs, and therefore, the improvement is necessary.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an installation is firm and the good precast concrete's of structural strength high strength safety barrier.
The technical scheme of the utility model is realized like this: the utility model provides a precast concrete's high strength safety barrier which characterized in that: including precast concrete's base and backplate body, the mounting groove of installing with backplate body bottom looks adaptation is inlayed at the base top, be provided with a plurality of dead levers on the mounting groove outer wall, backplate body bottom is inserted and is established in the mounting groove, be provided with a plurality of elastic buffer spare between mounting groove inner wall and the backplate body bottom outer wall, the vertical baffle that is provided with integrated into one piece in backplate body top center, it is provided with the reinforcing steel plate to inlay in the baffle, it is provided with PMKD to inlay in the backplate body, reinforcing steel plate's bottom extends to the backplate body in with PMKD fixed connection, backplate body top left and right sides is equipped with first buffer board and second buffer board respectively, roof mutual fixed connection is passed through at the top of first buffer board and second buffer board, all be equipped with between the inside wall of first buffer board and the baffle left side wall and between the inside wall of second buffer board and the right side wall of baffle and be used for absorbing the impact force The energy absorbing assembly.
By adopting the technical scheme, in daily use, the safety guardrail is divided into the base and the guard plate body, so that the production, the manufacture and the transportation are convenient, when the safety guardrail is installed, the base is preset on the ground when concrete is poured, when the concrete is solidified into a roadbed, the roadbed is convenient to be tightly gathered by the base, then the bottom of the guard plate body is inserted into the installation groove, the installation of the guard plate body is completed, the installation groove is tightly combined with the base through the fixed rod arranged on the outer wall of the installation groove, when a vehicle is out of control and is flushed towards the guard plate, the first buffer plate or the second buffer plate is firstly impacted, so that the second buffer plate and the buffering energy-absorbing component deform to absorb the impact force, the residual impact force is transmitted into the baffle through the buffering energy-absorbing component, the residual impact force is absorbed through the reinforcing steel plate embedded in the baffle, and the mutual connection between the reinforcing steel plate and the fixed bottom plate is realized, make the connection between baffle and the backplate body more firm, the elastic buffer piece of setting between backplate body bottom outer wall and mounting groove inner wall can absorb some impact force of transmitting the mounting groove through the backplate body in, compare with prior art, the utility model discloses a structural strength is high, and the buffering is effectual, and the installation is firm.
The utility model discloses further set up to: the buffering energy-absorbing assembly comprises a plurality of superelasticity memory alloy hemispheroids and a plurality of elastic buffer blocks, wherein the superelasticity memory alloy hemispheroids and the elastic buffer blocks are arranged between the inner side wall of the first buffer plate and the left side wall of the baffle plate and between the inner side wall of the second buffer plate and the right side wall of the baffle plate at intervals, and the elastic buffer blocks are respectively arranged between the adjacent superelasticity memory alloy hemispheroids at intervals.
By adopting the technical scheme, in daily use, impact force is transmitted to the hyperelastic memory alloy hemisphere and the buffer block through the first buffer plate or the second buffer plate, so that the hyperelastic memory alloy hemisphere and the buffer block are deformed, the impact force is absorbed, the damage to the baffle and a vehicle caused by the impact force is reduced, and the effects of protecting the safety of members in the vehicle and preventing the baffle from being broken are achieved.
The utility model discloses further set up to: and energy-absorbing cushions are fixedly arranged on the outer side walls of the first buffer plate and the second buffer plate.
Through adopting above-mentioned technical scheme, in daily use, through the setting of energy-absorbing blotter, further improved the absorption effect of first buffer board and second buffer board to impact force.
The utility model discloses further set up to: an elastic buffer cavity is arranged in the elastic buffer block, and a buffer spring is arranged in the elastic buffer cavity.
Through adopting above-mentioned technical scheme, in daily use, through the setting of elastic buffer chamber, make elastic buffer block's elasticity increase, through buffer spring's setting, further improved elastic buffer block's elasticity to this efficiency that improves elastic buffer block and absorb the impact force.
The utility model discloses further set up to: a plurality of limiting grooves and lugs are arranged on the outer side wall of the base at intervals.
Through adopting above-mentioned technical scheme, in daily use, through the setting of spacing groove and lug, improved the area of contact between base and the road bed, improved the joint strength and the stability on base and road surface.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
The labels in the figures are:
the elastic buffer plate comprises a base 1, a guard plate body 2, a mounting groove 3, a fixing rod 4, an elastic buffer part 5, a baffle 6, a reinforcing steel plate 7, a fixing bottom plate 8, a first buffer plate 9, a second buffer plate 10, a top plate 11, a hyperelastic memory alloy hemisphere 12, an elastic buffer block 13, an energy-absorbing buffer pad 14, an elastic buffer cavity 15, a buffer spring 16, a limiting groove 17 and a bump 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model discloses a precast concrete's high strength safety barrier the utility model discloses in the embodiment: the concrete prefabricated protective plate comprises a concrete prefabricated base 1 and a protective plate body 2, wherein the top of the base 1 is embedded with a mounting groove 3 matched with the bottom of the protective plate body 2, the outer wall of the mounting groove 3 is provided with a plurality of fixing rods 4, the bottom of the protective plate body 2 is inserted in the mounting groove 3, a plurality of elastic buffer parts 5 are arranged between the inner wall of the mounting groove 3 and the outer wall of the bottom of the protective plate body 2, the center of the top of the protective plate body 2 is vertically provided with an integrally formed baffle 6, a reinforced steel plate 7 is embedded in the baffle 6, a fixed bottom plate 8 is embedded in the protective plate body 2, the bottom end of the reinforced steel plate 7 extends into the protective plate body 2 and is fixedly connected with the fixed bottom plate 8, the left side and the right side of the top of the protective plate body 2 are respectively provided with a first buffer plate 9 and a second buffer plate 10, and the tops of the first buffer plate 9 and the second buffer plate 10 are mutually fixedly connected through a top plate 11, and buffering energy-absorbing components for absorbing impact force are arranged between the inner side wall of the first buffer plate 9 and the left side wall of the baffle 6 and between the inner side wall of the second buffer plate 10 and the right side wall of the baffle 6.
By adopting the technical scheme, in daily use, the safety guardrail is divided into the base 1 and the guard plate body 2, so that the production, the manufacture and the transportation are convenient, when the safety guardrail is installed, the base 1 is preset on the ground when concrete is poured, when the concrete is solidified into a roadbed, the roadbed is convenient for the base 1 to be tightly gathered, then the bottom of the guard plate body 2 is inserted into the installation groove 3, the installation of the guard plate body 2 is completed, the installation groove 3 is tightly combined with the base 1 through the fixing rod 4 arranged on the outer wall of the installation groove 3, when a vehicle is out of control and impacts towards the guard plate, firstly the vehicle collides with the first buffer plate 9 or the second buffer plate 10, the first buffer plate 9 and the second buffer plate 10 and the buffering energy absorption component deform to absorb the impact force, the residual impact force is transmitted into the baffle 6 through the buffering component, and the reinforcing steel plate 7 installed is embedded in the baffle 6, absorb remaining impact force, through the interconnect between reinforcing steel 7 and PMKD 8, make the connection between baffle 6 and the backplate body 2 more firm, the elastic buffer 5 of setting between backplate body 2 bottom outer wall and mounting groove 3 inner wall can absorb some impact force of transmitting mounting groove 3 through backplate body 2, compare with prior art, the utility model discloses a structural strength is high, and buffering effect is good, and the installation is firm.
In the embodiment of the present invention: the buffering energy-absorbing assembly comprises a plurality of superelasticity memory alloy hemispheroids 12 and a plurality of elastic buffer blocks 13 which are arranged between the inner side wall of the first buffer plate 9 and the left side wall of the baffle 6 and between the inner side wall of the second buffer plate 10 and the right side wall of the baffle 6 at intervals, and each elastic buffer block 13 is arranged between the adjacent superelasticity memory alloy hemispheroids 12 at intervals.
By adopting the technical scheme, in daily use, impact force is transmitted to the hyperelastic memory alloy hemispheroid 12 and the buffer block through the first buffer plate 9 or the second buffer plate 10, so that the hyperelastic memory alloy hemispheroid 12 and the buffer block deform to absorb the impact force, the damage to the baffle 6 and a vehicle caused by the impact force is reduced, and the effects of protecting the safety of members in the vehicle and preventing the baffle 6 from being broken are achieved.
In the embodiment of the present invention: an energy-absorbing cushion 14 is fixedly arranged on the outer side wall of the first buffer plate 9 and the outer side wall of the second buffer plate 10.
By adopting the technical scheme, in daily use, the absorption effect of the first buffer plate 9 and the second buffer plate 10 on the impact force is further improved by the arrangement of the energy-absorbing buffer pads 14.
In the embodiment of the present invention: an elastic buffer cavity 15 is arranged in the elastic buffer block 13, and a buffer spring 16 is arranged in the elastic buffer cavity 15.
Through adopting above-mentioned technical scheme, in daily use, through the setting of elasticity buffer chamber 15, make elasticity buffer block 13 increase, through buffer spring 16's setting, further improved elasticity buffer block 13's elasticity to this efficiency that improves elasticity buffer block 13 and absorb the impact force.
In the embodiment of the present invention: the outer side wall of the base 1 is provided with a plurality of limiting grooves 17 and lugs 18 at intervals.
Through adopting above-mentioned technical scheme, in daily use, through spacing groove 17 and the setting of lug 18, improved the area of contact between base 1 and the road bed, improved the joint strength and the stability on base 1 and road surface.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a precast concrete's high strength safety barrier, includes its characterized in that: comprises a concrete prefabricated base (1) and a protective plate body (2), wherein the top of the base (1) is embedded with a mounting groove (3) matched with the bottom of the protective plate body (2), the outer wall of the mounting groove (3) is provided with a plurality of fixing rods (4), the bottom of the protective plate body (2) is inserted in the mounting groove (3), a plurality of elastic buffer parts (5) are arranged between the inner wall of the mounting groove (3) and the outer wall of the bottom of the protective plate body (2), the top center of the protective plate body (2) is vertically provided with an integrally formed baffle (6), a reinforcing steel plate (7) is embedded in the baffle (6), a fixing bottom plate (8) is embedded in the protective plate body (2), the bottom of the reinforcing steel plate (7) extends into the protective plate body (2) to be fixedly connected with the fixing bottom plate (8), the left side and the right side of the top of the protective plate body (2) are respectively provided with a first buffer plate (9) and a second buffer plate (10), roof (11) mutual fixed connection is passed through at the top of first buffer board (9) and second buffer board (10), all be equipped with the buffering energy-absorbing subassembly that is used for absorbing the impact force between the inside wall of first buffer board (9) and baffle (6) left side wall and between the right side wall of the inside wall of second buffer board (10) and baffle (6).
2. The precast concrete high strength safety fence according to claim 1, characterized in that: the buffering energy-absorbing assembly comprises a plurality of superelasticity memory alloy hemispheroids (12) and a plurality of elastic buffer blocks (13) which are arranged between the inner side wall of the first buffer plate (9) and the left side wall of the baffle (6) and between the inner side wall of the second buffer plate (10) and the right side wall of the baffle (6) at intervals, and each elastic buffer block (13) is respectively arranged between adjacent superelasticity memory alloy hemispheroids (12) at intervals.
3. A precast concrete high strength safety rail according to claim 2, characterized in that: energy-absorbing cushions (14) are fixedly arranged on the outer side walls of the first buffer plate (9) and the second buffer plate (10).
4. A precast concrete high strength safety rail according to claim 2, characterized in that: an elastic buffer cavity (15) is arranged in the elastic buffer block (13), and a buffer spring (16) is arranged in the elastic buffer cavity (15).
5. The precast concrete high strength safety fence according to claim 1, characterized in that: the outer side wall of the base (1) is provided with a plurality of limiting grooves (17) and lugs (18) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120406899.2U CN214363145U (en) | 2021-02-24 | 2021-02-24 | Precast concrete's high strength safety barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120406899.2U CN214363145U (en) | 2021-02-24 | 2021-02-24 | Precast concrete's high strength safety barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214363145U true CN214363145U (en) | 2021-10-08 |
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ID=77966170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120406899.2U Active CN214363145U (en) | 2021-02-24 | 2021-02-24 | Precast concrete's high strength safety barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214363145U (en) |
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2021
- 2021-02-24 CN CN202120406899.2U patent/CN214363145U/en active Active
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