WO2018032550A1 - 一种具有缓冲功能的包裹式路柱 - Google Patents

一种具有缓冲功能的包裹式路柱 Download PDF

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Publication number
WO2018032550A1
WO2018032550A1 PCT/CN2016/097925 CN2016097925W WO2018032550A1 WO 2018032550 A1 WO2018032550 A1 WO 2018032550A1 CN 2016097925 W CN2016097925 W CN 2016097925W WO 2018032550 A1 WO2018032550 A1 WO 2018032550A1
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WIPO (PCT)
Prior art keywords
threaded rod
road
block
wrap
spring
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PCT/CN2016/097925
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English (en)
French (fr)
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顾祥茂
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顾祥茂
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Application filed by 顾祥茂 filed Critical 顾祥茂
Publication of WO2018032550A1 publication Critical patent/WO2018032550A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/003—Individual devices arranged in spaced relationship, e.g. buffer bollards

Definitions

  • the invention belongs to the technical field of road safety road piles, and in particular relates to a wrapped road column with a buffer function.
  • the road pillars directly block the car from rushing out of the road. Because the speed of the car rushing to the road column is very fast, the traditional road column sometimes does not completely block the car from rushing out of the road, which requires the road column to have better cushioning effect and limit the operation of the car. In order to make the road column have better buffering function, it is necessary to improve the traditional road column to produce a road column that is more safe for people in daily life and more safe in actual traffic. However, due to cost constraints, further improvements to traditional road pillars have been difficult. How to solve this problem reasonably under the control of cost is very practical.
  • the invention designs a wrapped road column with a buffer function to solve the above problems.
  • a wrap-around road pillar with a buffer function comprising: a pillar shell, a first side panel, a buffer rail, a threaded turntable, a wrap block, a first spring support, a buffer spring, a second side plate, and a sliding cavity , threaded rod cavity, sliding block, support plate, threaded rod guide groove, annular guide rail, external tooth, annular guide groove, internal thread, rack, threaded rod, threaded rod guide block, hinge, wherein the inner surface of the threaded turntable has The annular guide groove has external teeth on the lower side of the outer edge surface, internal threads on the lower side of the inner surface, the annular guide rail is mounted on the lower end of the road column shell, and the annular guide groove cooperates with the annular guide rail to mount the threaded turntable on the road column shell;
  • the road column can move back and forth in the sliding cavity, and the road column can cushion when the car hits the road column.
  • Two buffer rails are respectively symmetrically mounted on opposite sides of the two support plates, and the sliding block is mounted on the pillar shell and located on the upper side of the annular rail, and the two ends of the sliding block are respectively slid in the two buffer rails;
  • the column moves back and forth on the buffer rail by sliding the slider to cushion the car.
  • the first side plate is mounted on one end of the two support plates, and the second side plate is mounted on the other end of the two support plates;
  • the first spring support is mounted on the road post case, one end of the buffer spring is mounted on the first spring support, and the other end is mounted On the second side plate;
  • the first side plate, the second side plate and the support plate are all installed in the sliding cavity to fix the whole invention in the road surface, and the road column moves along the buffer spring in the buffer rail. It acts to cushion the car's impact.
  • Threaded rod tip and wrap block are hinged Connected, a parcel block and its adjacent wrap block are hinged by a hinge, and the wrap block is located inside the pillar shell; two threaded rod guide blocks are symmetrically mounted on both sides of the upper end of the threaded rod, and the two threaded rod guide grooves are symmetrically Installed in the column shell, the threaded rod is installed inside the pillar shell through the cooperation of the threaded rod guide block and the threaded rod guide groove, and the threaded rod moves through the threaded rod guide block along the threaded rod guide groove in the pillar housing, the threaded rod top
  • the wrap block connected by the hinge can extend out of the pillar shell and wrap the front cover of the car in time when the car hits the road pillar, so that the car will not easily rush out of the road.
  • Two support plates, a first side plate and a second side plate are installed on the road surface; a leaf spring is installed between the wrap block and the adjacent wrap block, and a leaf spring is installed between the threaded rod and the wrapping block next to it
  • One of the two support plates is mounted with a rack on the lower side of the buffer rail mounting position and the rack meshes with the external teeth of the threaded turntable; the threaded rod is engaged with the internal thread in the threaded turntable by the thread on the shaft.
  • the above-mentioned road surface has a rectangular sliding cavity, and two support plates and side plates are installed in the sliding cavity, and a rectangular threaded rod cavity is arranged under the sliding cavity, and the threaded rod is located in the threaded rod cavity.
  • the sliding chamber is equipped with the key components of the entire invention. The column moves back and forth within the sliding chamber, and a series of devices for the threaded rod are mounted in the threaded rod cavity.
  • one end of the above-mentioned buffer spring is mounted on the first spring support by the first spring strut, and the other end is mounted on the second side plate by the second spring strut.
  • the above-mentioned road surface has a rectangular sliding cavity, and between the wrapping block and the adjacent wrapping block, the angle between the threaded rod and the adjacent wrapping block under the action of the respective leaf spring is 160 degrees-170. degree. Under the action of the leaf spring, the wrap block can better wrap the front cover of the car, which can better cushion the car and prevent the car from rushing out of the road.
  • the number of the above wraps is 4-9.
  • the outer surface of the threaded turntable has an annular guide groove, the outer edge surface has external teeth, the inner surface has internal threads, and the road column has an annular guide rail.
  • the annular guide rail cooperates with the annular guide groove to fix the threaded turntable on the road pillar shell, and the road pillar shell moves back and forth along the buffer spring on the buffer rail by the sliding block, when the vehicle is fast When hitting the road pillar, the road column plays a buffering role, making it difficult for the car to rush out of the road.
  • Threaded rod The wrap block is hinged, and the wrap block and the adjacent wrap block are bent in the leaf spring, and the threaded rod moves up and down in the threaded rod guide groove by the cooperation of the threaded rod and the threaded turntable.
  • the wrap block can be bent under the action of the leaf spring when the car rushes to the road pillar, wrapping the front cover of the car, so that the road column can better play a buffering role.
  • the inner wrap of the road pillar can wrap the front cover of the automobile to prevent the automobile from rushing out of the road surface.
  • the invention has strong practicability.
  • Figure 1 is a schematic view showing the distribution of the entire components of the road column.
  • Figure 2 is a schematic view of the inner structure of the road column.
  • Figure 3 is a schematic view of the outer structure of the road column.
  • Figure 4 is a schematic diagram 1 of the internal buffer structure of the road column.
  • FIG. 5 is a schematic diagram 2 of the internal buffer structure of the road column.
  • Figure 6 is a schematic view of the installation of the inner column shell of the road column.
  • Figure 7 is a schematic view showing the structure of the internal threaded turntable of the road column.
  • Figure 8 is a schematic view showing the structure of the internal buffer rail of the road column.
  • Figure 9 is a schematic view showing the installation of the first spring support inside the road column.
  • Figure 10 is a schematic view showing the overall structure of the internal threaded rod of the road column.
  • Figure 11 is a schematic view showing the structure of the internal threaded rod guide groove of the road column.
  • Figure 12 is a schematic view showing the upper side of the internal threaded rod of the road column.
  • Figure 13 is a schematic view showing the structure of the inner wrap block of the road column.
  • FIGS. 1, 2, and 3 it includes a pillar shell 2, a first side panel 3, a buffer rail 4, a threaded turntable 5, a wrap block 6, a leaf spring 7, a first spring support 8, a buffer spring 10, and a Two side plates 12, sliding cavity 13, threaded rod cavity 14, sliding block 15, support plate 16, threaded rod guide 17, annular guide 18, external teeth 19, annular guide 20, internal thread 21, rack 22, a threaded rod 23, a threaded rod guide block 24, a hinge 25, wherein As shown in Figs.
  • the inner surface of the threaded turntable 5 has an annular guide groove 20, the lower surface of the outer peripheral surface has external teeth 19, the lower surface of the inner surface has an internal thread 21, and the annular guide rail 18 is mounted at the lower end of the pillar housing 2.
  • the annular guide groove 20 cooperates with the annular guide rail 18 to mount the threaded turntable 5 on the pillar housing 2; as shown in Figures 2, 4 and 5, the road roller with the threaded turntable 5 can move back and forth in the sliding cavity 13 when When the car hits the road column, the road column can act as a buffer.
  • Two buffer rails 4 are symmetrically mounted on opposite sides of the two support plates 16, and the slide block 15 is mounted on the pillar housing 2 and located on the upper side of the annular rail 18, and the two ends of the sliding block 15 are respectively slid on the two sides.
  • the road column moves back and forth on the buffer rail 4 through the sliding block 15 to buffer the automobile; as shown in FIG. 1 and FIG. 3, the first side plate 3 is mounted on one end of the two support plates 16.
  • the second side plate 3 is mounted on the other end of the two support plates 16; the first spring support 8 is mounted on the pillar housing 2, and one end of the buffer spring 10 is mounted on the first spring support 8 and the other end is mounted on the second side plate 12; the first side panel 3, the second side panel 12 and the support panel 16 are all mounted in the sliding cavity 13, which serves to fix the entire invention in the road surface 1.
  • the road pillar is along the buffer spring 10 on the buffer rail 4 Moving in the middle, buffering the impact of the car; as shown in Figures 10, 11, 12, 13, the top end of the threaded rod 23 and the wrap 6 are connected by a hinge 25, a wrap 6 and its adjacent wrap 6 Linked by a hinge 25, and the wrap block 6 is located inside the pillar shell 2; the two threaded rod guide blocks 24 are symmetric Mounted on both sides of the upper end of the threaded rod 23, two threaded rod guide grooves 17 are symmetrically mounted in the pillar housing 2, and the threaded rod 23 is mounted on the pillar housing 2 by the cooperation of the threaded rod guide block 24 and the threaded rod guide groove 17.
  • the threaded rod 23 moves in the column housing 2 along the threaded rod guide groove 17 through the threaded rod guide block 24.
  • the wrapping block 6 connected by the hinge 25 at the top of the threaded rod 23 can extend out of the column housing 2 when the vehicle hits the road column. Wrap the front cover of the car in time so that the car will not easily rush out of the road.
  • Two support plates 16, a first side plate 3, and a second side plate 12 are mounted on the road surface; a leaf spring 7 is mounted between the wrap block 6 and the adjacent wrap block 6, and the threaded rod 23 is wrapped adjacent thereto A leaf spring 7 is mounted between the blocks 6; one of the two support plates 16 is mounted with a rack 22 on the lower side of the buffer rail 4 mounting position and the rack 22 meshes with the external teeth 19 of the threaded turntable 5; the threaded rod 23 passes through the rod The thread on the body engages with the internal thread 21 in the threaded turntable 5.
  • FIG. 3 in the present invention, there is a rectangular sliding cavity 13 in the road surface.
  • the two supporting plates 16 and the side plates are respectively mounted in the sliding cavity 13.
  • the sliding cavity 13 has a rectangular threaded rod cavity 14 under which the threaded rod 23 is located. Threaded rod cavity 14.
  • the key components of the entire invention are mounted in the sliding chamber 13, and the road column moves back and forth within the sliding chamber 13, and a series of devices relating to the threaded rod 23 are mounted in the threaded rod chamber 14.
  • one end of the buffer spring 10 is mounted on the first through the first spring strut 9
  • the spring support 8 is attached to the second side plate 12 via a second spring strut 11.
  • the wrap block 6 can better wrap the front cover of the car to better cushion the car and prevent the car from rushing out of the road.
  • the number of the above-mentioned wrapping blocks 6 is 4-9 pieces.
  • the outer surface of the threaded turntable 5 has an annular guide groove 20, the outer edge surface has external teeth 19, the inner surface has an internal thread 21, the road column has an annular guide rail 18, and one of the two support plates 16 is mounted with a rack on the buffer guide rail 4.
  • the invention has strong practicability.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Road Signs Or Road Markings (AREA)
  • Road Paving Structures (AREA)

Abstract

一种具有缓冲功能的包裹式路柱，它包括路柱壳（2）、缓冲导轨（4）、螺纹转盘（5）、包裹块（6）、缓冲弹簧（10）、滑动卡块（15）、螺纹杆导槽（17）、螺纹杆（23）、板簧（7）、环形导轨（18），其中环形导轨（18）与环形导槽（20）配合将螺纹转盘（5）固定在路柱壳（2）上，路柱壳（2）通过滑动卡块（15）在缓冲导轨（4）上沿缓冲弹簧（10）来回移动，螺纹杆（23）通过铰链（25）链接包裹块（6），包裹块（6）与相邻的包裹块（6）在板簧（7）作用下弯曲，螺纹杆（23）在螺纹杆导槽（17）中通过螺纹杆（23）与螺纹转盘（5）的配合而上下移动。该路柱通过内部包裹块包裹住汽车前罩，防止汽车冲出行驶路面。

Description

一种具有缓冲功能的包裹式路柱 所属技术领域
本发明属于公路安全路桩技术领域，尤其涉及一种具有缓冲功能的包裹式路柱。
背景技术
目前路柱都是直接阻挡汽车冲出路面的。因为汽车冲向路柱的速度很快，所以传统路柱有时并不能完全阻挡汽车冲出路面，这就要求路柱拥有更好的缓冲作用和对汽车运行的限制作用。为了使路柱具有更好的缓冲功能，就需要改进传统的路柱，生产出更加符合人们日常生活需要的，在实际交通行驶中更加安全的路柱。但是目前因为成本限制，对于传统路柱的进一步改进陷入了困难之中。在控制成本的情况下如何合理的解决这个问题是非常具有现实意义的。
本发明设计一种具有缓冲功能的包裹式路柱解决如上问题。
发明内容
为解决现有技术中的上述缺陷，本发明公开一种具有缓冲功能的包裹式路柱，它是采用以下技术方案来实现的。
一种具有缓冲功能的包裹式路柱，其特征在于：它包括路柱壳、第一侧板、缓冲导轨、螺纹转盘、包裹块、第一弹簧支撑、缓冲弹簧、第二侧板、滑动腔、螺纹杆腔、滑动卡块、支撑板、螺纹杆导槽、环形导轨、外齿、环形导槽、内螺纹、齿条、螺纹杆、螺纹杆导块、铰链，其中螺纹转盘内表面上具有环形导槽，外缘面下侧具有外齿，内表面下侧有内螺纹，环形导轨安装在路柱壳下端，环形导槽与环形导轨配合将螺纹转盘安装在路柱壳上；带螺纹转盘的路柱才可在滑动腔内来回移动，当汽车撞击路柱时，路柱可起缓冲作用。两个支撑板相对的面上对称地分别安装有两个缓冲导轨，滑动卡块安装在路柱壳上且位于环形导轨上侧，滑动卡块的两端分别滑动于两个缓冲导轨中；路柱通过滑动卡块在缓冲导轨上来回移动，起到对汽车的缓冲作用。第一侧板安装在两个支撑板一端，第二侧板安装在两个支撑板另一端；第一弹簧支撑安装在路柱壳上，缓冲弹簧一端安装在第一弹簧支撑上，另一端安装在第二侧板上；第一侧板、第二侧板和支撑板都安装在滑动腔内，起到将整套发明固定在路面内的作用，路柱沿着缓冲弹簧在缓冲导轨里移动，起到缓冲汽车撞击的作用。螺纹杆顶端与包裹块之间通过铰链连 接，一个包裹块与其相邻的包裹块之间通过铰链链接，且包裹块位于路柱壳内部；两个螺纹杆导块对称地安装在螺纹杆上端两侧，两个螺纹杆导槽对称地安装在路柱壳中，螺纹杆通过螺纹杆导块和螺纹杆导槽的配合安装在路柱壳内部，螺纹杆通过螺纹杆导块沿螺纹杆导槽在路柱壳里运动，螺纹杆顶部通过铰链连接的包裹块可伸出路柱壳，在汽车撞击路柱时及时包裹住汽车的前罩，使汽车不会轻易的冲出路面。两个支撑板、第一侧板、第二侧板均安装在路面中；包裹块与相邻的包裹块之间安装有板簧，螺纹杆与其紧挨着的包裹块之间安装有板簧；两个支撑板中的一个在缓冲导轨安装位置下侧安装有齿条且齿条与螺纹转盘的外齿啮合；螺纹杆通过杆身上的螺纹与螺纹转盘中的内螺纹啮合。
作为本技术的进一步改进，上述路面内有长方形的滑动腔，两个支撑板和侧板均安装在滑动腔中，滑动腔下有长方形的螺纹杆腔，螺纹杆位于螺纹杆腔中。滑动腔内安装着整个发明的关键部件，路柱在滑动腔内来回移动，螺纹杆腔内安装着有关螺纹杆的一系列装置。
作为本技术的进一步改进，上述缓冲弹簧一端通过第一弹簧支柱安装在第一弹簧支撑上，另一端通过第二弹簧支柱安装在第二侧板上。
作为本技术的进一步改进，上述路面内有长方形的滑动腔，上述包裹块与相邻包裹块之间，螺纹杆与相邻的包裹块之间在各自板簧作用下夹角为160度-170度。在板簧的作用下，包裹块能够更好的包裹汽车前罩，起到更好的缓冲作用，防止汽车冲出路面。
作为本技术的进一步改进，上述包裹块个数为4-9块。
螺纹转盘外表面具有环形导槽，外缘面上有外齿，内表面有内螺纹，路柱具有环形导轨，当路柱壳通过滑动卡块在缓冲导轨中移动时，两个支撑板中的一个在缓冲导轨安装有齿条，齿条与螺纹转盘的外齿发生啮合关系，当螺纹杆转动时，螺纹杆上的螺纹与螺纹转盘上内螺纹啮合，使得螺纹杆向上移动，路柱壳内部的包裹块将向上延伸，包裹块与相邻包裹块通过板簧成一定的夹角，包裹住冲向路柱的汽车前罩，使得汽车不会冲出路面。
相对于传统的公路安全路桩技术，本发明中环形导轨与环形导槽配合将螺纹转盘固定在路柱壳上，路柱壳通过滑动卡块在缓冲导轨上沿缓冲弹簧来回移动，当汽车快速撞向路柱时，路柱发挥了缓冲的作用，使汽车不易冲出路面。螺纹杆 通过铰链链接包裹块，包裹块与相邻的包裹块在板簧作用在弯曲，所述螺纹杆在螺纹杆导槽中通过螺纹杆与螺纹转盘的配合而上下移动。包裹块能在汽车冲向路柱时在板簧的作用下弯曲，包裹着汽车的前罩，使得路柱更好的发挥缓冲作用。本发明中，当汽车快速冲向路柱时，路柱内部包裹块能包裹住汽车前罩，防止汽车冲出行驶路面。本发明具有较强的实用性。
附图说明
图1是路柱整体部件分布示意图。
图2是路柱内侧结构示意图。
图3是路柱外侧结构示意图。
图4是路柱内部缓冲结构示意图1。
图5是路柱内部缓冲结构示意图2。
图6是路柱内部路柱壳安装示意图。
图7是路柱内部螺纹转盘结构示意图。
图8是路柱内部缓冲导轨结构示意图。
图9是路柱内部第一弹簧支撑安装示意图。
图10是路柱内部螺纹杆整体结构示意图。
图11是路柱内部螺纹杆导槽结构示意图。
图12是路柱内部螺纹杆上侧安装示意图。
图13是路柱内部包裹块结构示意图。
图中标号名称：1、路面，2、路柱壳，3、第一侧板，4、缓冲导轨，5、螺纹转盘，6、包裹块，7、板簧，8、第一弹簧支撑，9、第一弹簧支柱，10、缓冲弹簧，11、第二弹簧支柱，12、第二侧板，13、滑动腔，14、螺纹杆腔，15、滑动卡块，16、支撑板，17、螺纹杆导槽，18、环形导轨，19、外齿，20、环形导槽，21、内螺纹，22、齿条，23、螺纹杆，24、螺纹杆导块，25、铰链。
具体实施方式
如图1、2、3所示，它包括路柱壳2、第一侧板3、缓冲导轨4、螺纹转盘5、包裹块6、板簧7、第一弹簧支撑8、缓冲弹簧10、第二侧板12、滑动腔13、螺纹杆腔14、滑动卡块15、支撑板16、螺纹杆导槽17、环形导轨18、外齿19、环形导槽20、内螺纹21、齿条22、螺纹杆23、螺纹杆导块24、铰链25，其中， 图6、7、8所示，螺纹转盘5内表面上具有环形导槽20，外缘面下侧具有外齿19，内表面下侧有内螺纹21，环形导轨18安装在路柱壳2下端，环形导槽20与环形导轨18配合将螺纹转盘5安装在路柱壳2上；如图2、4、5所示，带螺纹转盘5的路柱才可在滑动腔13内来回移动，当汽车撞击路柱时，路柱可起缓冲作用。两个支撑板16相对的面上对称地分别安装有两个缓冲导轨4，滑动卡块15安装在路柱壳2上且位于环形导轨18上侧，滑动卡块15的两端分别滑动于两个缓冲导轨4中；路柱通过滑动卡块15在缓冲导轨4上来回移动，起到对汽车的缓冲作用；如图1、3所示，第一侧板3安装在两个支撑板16一端，第二侧板3安装在两个支撑板16另一端；第一弹簧支撑8安装在路柱壳2上，缓冲弹簧10一端安装在第一弹簧支撑8上，另一端安装在第二侧板12上；第一侧板3、第二侧板12和支撑板16都安装在滑动腔13内，起到将整套发明固定在路面1内的作用，路柱沿着缓冲弹簧10在缓冲导轨4里移动，起到缓冲汽车撞击的作用；如图10，11、12、13所示，螺纹杆23顶端与包裹块6之间通过铰链25连接，一个包裹块6与其相邻的包裹块6之间通过铰链25链接，且包裹块6位于路柱壳2内部；两个螺纹杆导块24对称地安装在螺纹杆23上端两侧，两个螺纹杆导槽17对称地安装在路柱壳2中，螺纹杆23通过螺纹杆导块24和螺纹杆导槽17的配合安装在路柱壳2内部，螺纹杆23通过螺纹杆导块24沿螺纹杆导槽17在路柱壳2里运动，螺纹杆23顶部通过铰链25连接的包裹块6可伸出路柱壳2，在汽车撞击路柱时及时包裹住汽车的前罩，使汽车不会轻易的冲出路面。两个支撑板16、第一侧板3、第二侧板12均安装在路面中；包裹块6与相邻的包裹块6之间安装有板簧7，螺纹杆23与其紧挨着的包裹块6之间安装有板簧7；两个支撑板16中的一个在缓冲导轨4安装位置下侧安装有齿条22且齿条22与螺纹转盘5的外齿19啮合；螺纹杆23通过杆身上的螺纹与螺纹转盘5中的内螺纹21啮合。
如图3所示，本发明中路面内有长方形的滑动腔13，两个支撑板16和侧板均安装在滑动腔13中，滑动腔13下有长方形的螺纹杆腔14，螺纹杆23位于螺纹杆腔14中。滑动腔13内安装着整个发明的关键部件，路柱在滑动腔13内来回移动，螺纹杆腔14内安装着有关螺纹杆23的一系列装置。
如图2、9所示，本发明中缓冲弹簧10一端通过第一弹簧支柱9安装在第一 弹簧支撑8上，另一端通过第二弹簧支柱11安装在第二侧板12上。
如图13所示，本发明中路面内有长方形的滑动腔13，上述包裹块6与相邻包裹块6之间，螺纹杆23与相邻的包裹块6之间在各自板簧7作用下夹角为160度-170度。在板簧7的作用下，包裹块6能够更好的包裹汽车前罩，起到更好的缓冲作用，防止汽车冲出路面。
如图13所示，本发明中上述包裹块6的个数为4-9块。
螺纹转盘5外表面具有环形导槽20，外缘面上有外齿19，内表面有内螺纹21，路柱具有环形导轨18，两个支撑板16中的一个在缓冲导轨4安装有齿条22，当汽车撞击路柱时，路柱通过滑动卡块15在缓冲导轨4中移动，齿条22与螺纹转盘5的外齿19发生啮合关系，使得螺纹杆23转动；当螺纹杆23转动时，螺纹杆23上的螺纹与螺纹转盘5上内螺纹21啮合，使得螺纹杆23向上移动，路柱壳内部的包裹块6将向上延伸，包裹块6与相邻包裹块6通过板簧7成一定的夹角，包裹住冲向路柱的汽车前罩，使得汽车不会冲出路面1。
本发明具有较强的实用性。

Claims (5)

  1. 一种具有缓冲功能的包裹式路柱，其特征在于：它包括路柱壳、第一侧板、缓冲导轨、螺纹转盘、包裹块、第一弹簧支撑、缓冲弹簧、第二侧板、滑动腔、螺纹杆腔、滑动卡块、支撑板、螺纹杆导槽、环形导轨、外齿、环形导槽、内螺纹、齿条、螺纹杆、螺纹杆导块、铰链，其中螺纹转盘内表面上具有环形导槽，外缘面下侧具有外齿，内表面下侧有内螺纹，环形导轨安装在路柱壳下端，环形导槽与环形导轨配合将螺纹转盘安装在路柱壳上；两个支撑板相对的面上对称地分别安装有两个缓冲导轨，滑动卡块安装在路柱壳上且位于环形导轨上侧，滑动卡块的两端分别滑动于两个缓冲导轨中；第一侧板安装在两个支撑板一端，第二侧板安装在两个支撑板另一端；第一弹簧支撑安装在路柱壳上，缓冲弹簧一端安装在第一弹簧支撑上，另一端安装在第二侧板上；螺纹杆顶端与包裹块之间通过铰链连接，一个包裹块与其相邻的包裹块之间通过铰链链接，且包裹块位于路柱壳内部；两个螺纹杆导块对称地安装在螺纹杆上端两侧，两个螺纹杆导槽对称地安装在路柱壳中，螺纹杆通过螺纹杆导块和螺纹杆导槽的配合安装在路柱壳内部，两个支撑板、第一侧板、第二侧板均安装在路面中；包裹块与相邻的包裹块之间安装有板簧，螺纹杆与其紧挨着的包裹块之间安装有板簧；两个支撑板中的一个在缓冲导轨安装位置下侧安装有齿条且齿条与螺纹转盘的外齿啮合；螺纹杆通过杆身上的螺纹与螺纹转盘中的内螺纹啮合。
  2. 根据权利要求1所述的一种具有缓冲功能的包裹式路柱，其特征在于：上述路面内有长方形的滑动腔，两个支撑板和侧板均安装在滑动腔中，滑动腔下有长方形的螺纹杆腔，螺纹杆位于螺纹杆腔中。
  3. 根据权利要求1所述的一种具有缓冲功能的包裹式路柱，其特征在于：上述缓冲弹簧一端通过第一弹簧支柱安装在第一弹簧支撑上，另一端通过第二弹簧支柱安装在第二侧板上。
  4. 根据权利要求1所述的一种具有缓冲功能的包裹式路柱，其特征在于：上述包裹块与相邻包裹块之间，螺纹杆与相邻的包裹块之间在各自板簧作用下夹角为160度-170度。
  5. 根据权利要求1所述的一种具有缓冲功能的包裹式路柱，其特征在于：上述包裹块个数为4-9块。
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