CN210049159U - Rotary cylinder and rotary type buffering guardrail - Google Patents
Rotary cylinder and rotary type buffering guardrail Download PDFInfo
- Publication number
- CN210049159U CN210049159U CN201920627326.5U CN201920627326U CN210049159U CN 210049159 U CN210049159 U CN 210049159U CN 201920627326 U CN201920627326 U CN 201920627326U CN 210049159 U CN210049159 U CN 210049159U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- main shaft
- shell
- arc
- rotary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model discloses a rotatory section of thick bamboo and rotation type buffering guardrail, locate the rotatory section of thick bamboo between two crossbeams including two crossbeams and range, rotatory section of thick bamboos includes main shaft, sleeve, two sliding rings and shell, the sleeve passes through the bearing and installs at the main shaft middle part, and on the main shaft at sleeve both ends was located respectively to two sliding rings to be equipped with high strength spring between sliding ring and the main shaft, a plurality of arc shell modules are cut apart into by a complete casing to the shell, and one of them part arc shell module middle part links to each other through buffering extensible member and sleeve middle part, and another part arc shell module links to each other with the sliding ring at sleeve upper and lower both ends is articulated respectively through two connecting rods. The utility model discloses the guardrail is installed on the guardrail basis of original road both sides, strengthens the protection, and it has better cushioning effect, can avoid the steel construction horizontal bar direct collision of vehicle accident and road both sides, and greatly reduced collision is to automobile body and personnel's injury.
Description
Technical Field
The utility model belongs to the traffic guardrail field relates to a can cushion the traffic guardrail who absorbs the striking, and more specifically says, relates to a rotatory section of thick bamboo and rotation type buffering guardrail.
Background
With the rapid development of economy, automobiles are commonly used as a convenient vehicle. In China, the speed limit of different roads is different, for example, the speed limit of urban roads is 40 km/h, the speed limit of ordinary roads is 40-80 km/h, the speed limit of expressway is 60-120 km/h, so the traffic accidents in urban areas are rear-end accidents, on ordinary roads or expressway, because the speed of automobile is too fast, traffic accidents frequently occur, the most serious of them is that the automobile running at high speed collides with guard rails on roadside or in the middle of road, and these guard rails are made up of concrete bricks or concrete blocks arranged at intervals and cross bars connecting adjacent blocks, or made up of steel structural cross bars and upright posts, but these guard rails can not absorb the collision kinetic energy of automobile, and the automobile is subject to the reverse action force of guard rails after collision, and overturns or deviates from the original lane, the automobile collision accident is easy to cause secondary collision with the automobile running at high speed, so that a plurality of automobiles are damaged and casualties are caused, and the hazard of the accident is aggravated.
Aiming at the traffic accidents, the current Chinese utility model patent (CN207277251U) discloses a rotary crash barrier for expressway. The device comprises upright posts, connecting posts, cross beams and a rotating cylinder; the cross beams are provided with an upper pair and a lower pair, after the two pairs of cross beams are connected through connecting columns, the connecting columns are inserted on the stand columns for fixing, and the lower ends of the stand columns are fixed in the foundation; the rotating cylinder is fixed between the two pairs of cross beams of the two adjacent connecting columns through the rotating support columns.
Then like chinese utility model patent (CN202849974U) discloses SA level rotation type crash barrier with absorb impact force rotator, it includes the tubulose stand, the horizontal bar that is connected with the stand, its characterized in that the stand on the cover establish the elastic rotator, the top and the below of this elastic rotator set up horizontal bar and lower horizontal bar respectively, the last horizontal bar contain higher level horizontal bar and the lower horizontal bar that the star was arranged from top to bottom at least, be equipped with the rotatory accepting that the cover was established on the stand between elastic rotator lower extreme and the lower horizontal bar, rotatory accepting be two.
SUMMERY OF THE UTILITY MODEL
The utility model provides a highway rotation type guardrail, its aim at solve current road guardrail and play the relatively poor problem of effect of cushioning effect, this guardrail is compared in traditional guardrail, has better radial buffering, circumference (hoop) guide effect, and greatly reduced takes place the injury of vehicle and the steel construction guardrail collision of road both sides to personnel and automobile body in the car.
The utility model adopts the following technical proposal:
a rotary drum, characterized by: the novel high-strength spring type sliding sleeve comprises a main shaft, a sleeve, two sliding rings and a sleeve shell, wherein the sleeve is installed in the middle of the main shaft through a bearing, the two sliding rings are respectively arranged on the main shaft at two ends of the sleeve, a high-strength spring is arranged between the sliding rings and the main shaft, the sleeve shell is divided into a plurality of arc-shaped shell modules through a complete shell, the middle of one part of the arc-shaped shell modules is connected with the middle of the sleeve through a buffering telescopic part, and the other part of the arc-shaped shell modules is respectively hinged with the sliding rings at the.
As an improvement, the main shaft is a stepped shaft, and a first concave shaft used for mounting the sleeve is arranged in the middle of the stepped shaft.
As an improvement, two ends of the stepped shaft are respectively provided with a second concave shaft for the sliding ring to slide.
As an improvement, the buffering telescopic part is an air spring or a spring sleeve, the spring sleeve comprises an outer barrel, an inner rod and a buffering spring, the inner rod freely slides into the outer barrel from a hole formed in the end of the outer barrel, and the buffering spring is arranged between the inner rod in the outer barrel and the bottom of the outer barrel.
As an improvement, the arc-shaped shell modules connected with the sleeve and the arc-shaped shell modules connected with the slip ring are arranged in a staggered mode.
As an improvement, a partition tangent between adjacent arc-shaped shell modules forms a certain included angle with the radial direction of the cylinder shell.
As an improvement, the cutting tangents on the two sides of the arc-shaped shell module are symmetrically arranged.
As an improvement, the sleeve is connected with two ends of a first concave shaft in the middle of the stepped shaft through thrust bearings.
As an improvement, an elastic buffer sleeve is sleeved outside the cylinder shell.
The utility model provides an utilize rotation type buffering guardrail of above-mentioned rotatory section of thick bamboo which characterized in that: the rotary drum type rotary drum device comprises two cross beams, and the rotary drums are arranged between the two cross beams.
After external force is applied, the spring with the large stiffness coefficient K sleeved on the main shaft transfers partial force direction to the spring sleeved on the main shaft through force transmission of the connecting rod, so that partial buffering effect is achieved. And the rotating cylinder is rotated by a thrust bearing on the main shaft after being impacted. So that the rotary cylinder rotates when the vehicle is impacted. Because the elastic buffering of the rotary cylinder takes the main shaft as a rotary center, the automobile is guided to gradually change the direction, and the direction of the automobile is gradually adjusted to return to the normal direction. Therefore, the accident of chain rear-end collision caused by collision with adjacent vehicles is avoided, the probability and the danger of the accident are greatly reduced, the damage is reduced, and the property loss is reduced.
As a further improvement, the rotary cylinder and the main shaft are combined to produce and assemble, so that the construction and the application are convenient. During construction, the lower end of the main shaft can be fixed by pouring and fixed length beams.
As a further improvement, the outer cylinder wall of the rotary cylinder is sleeved with an elastic buffer sleeve with certain friction resistance for further absorbing impact force, and a reflective layer is coated on the elastic buffer sleeve and used for reminding a boundary warning mark during night driving.
As a further improvement, the rotary drum is formed by cutting the rotary drum into 12 arc-shaped shell modules and splicing the 12 arc-shaped shell modules to form a cylindrical drum with the same curvature radius.
As a further improvement, the arc-shaped shell module of the rotary cylinder is hinged by a connecting rod, a pair of connecting rods are symmetrically arranged up and down, and the connecting rods are used for connecting the arc-shaped shell module and the main shaft. And the adjacent modules are connected to the main shaft by connecting rods sleeved with springs with large stiffness coefficients K.
The utility model has the advantages that:
1. the upper and lower pair of beams are fixed to enhance the bending strength of the guardrail when the guardrail is impacted, and different styles can be applied to the quantity and quality of the beams according to the strength requirement, so that the best safety level requirement is achieved on the basis of saving the material cost. 2. The rotary cylinder can transfer part of the energy of impact to the spring on the main shaft when the rotary cylinder is impacted, so that the radial impact strength is greatly reduced, and the buffer effect on the radial impact is realized. Can prevent damage caused by impact and reduce the damage to vehicles, guardrails and human bodies. 3. After receiving impact, the rotary cylinder rotates through a thrust bearing on the main shaft. So that the rotary cylinder rotates when the vehicle is impacted. Because the elastic buffer of rotary drum just uses the main shaft as rotation center, the guide car changes the direction gradually, thereby makes it adjust the direction gradually and return normal direction, realizes the guide effect to circumference (hoop) impact, greatly reduced accident probability and danger, alleviate the injury and reduce loss of property. 4. The elastic material is sleeved on the outer wall of the rotary cylinder for further absorbing impact force, and a reflective layer is coated on the elastic material and used for warning the boundary warning mark during night driving. 5. The utility model adopts the upper rail with a multi-stage structure, enhances the bending strength of the guard railing when being impacted, improves the safety factor and reaches the SA-level requirement of the traffic protection safety level; the guard rail is provided with the elastic rotating body, and the elastic material can absorb impact force, is used for reducing the speed of the vehicle, preventing secondary collision and damage and can also prevent the vehicle from being crushed due to collision.
Drawings
FIG. 1 is a front view of the rotary buffering guardrail of the present invention;
FIG. 2 is a schematic perspective view of the rotary drum of the present invention;
fig. 3 is a schematic structural view of a cross section of the structure of the rotary drum provided by the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a schematic cross-sectional view of a rotary drum provided by the present invention;
reference numerals: 1-beam, 2-rotary cylinder, 3-main shaft, 4-sleeve, 5-slip ring, 6-cylinder shell, 7-first concave shaft, 8-second concave shaft, 9-thrust bearing, 10-arc shell module, 11-spring sleeve, 12-outer cylinder, 13-inner rod, 14-buffer spring, 15-connecting rod, 16-high-strength spring and 17-division plane.
Detailed Description
The present invention will be described below by way of example with reference to the accompanying drawings.
As shown in fig. 1 to 5, the rotary buffering guardrail comprises two cross beams 1, and the rotary cylinder 2 is arranged between the two cross beams 1. The rotary cylinder 2 comprises a main shaft 3, a sleeve 4, two slip rings 5 and a cylinder shell 6, the upper end and the lower end of the main shaft 3 are respectively fixed on the upper cross beam 1 and the lower cross beam 1, the main shaft 3 is a stepped shaft, a first concave shaft 7 is arranged in the middle of the stepped shaft, second concave shafts 8 which are symmetrical are respectively arranged at the upper part and the lower part of the stepped shaft, the sleeve 4 is arranged on the first concave shaft 7 in the middle of the main shaft 3 through a bearing, and is limited by two thrust bearings 9, two slip rings 5 are respectively arranged on second concave shafts 8 at two ends of the sleeve 4, and a high-strength spring 16 is arranged between the slip ring 5 and the end part of the second concave shaft 8 of the main shaft 3, the cylinder shell 6 is divided into 12 arc-shaped shell modules 10 by a complete shell, the middle part of one part of the arc-shaped shell modules 10 is connected with the middle part of the sleeve 4 through a buffer expansion piece, and the other part of the arc-shaped shell modules 10 are respectively hinged with the sliding rings 5 at the upper end and the lower end of the sleeve 4 through two connecting rods 15.
The buffer telescopic part is a gas spring or a spring sleeve 11, as shown in fig. 4, one specific structure of the spring sleeve 11 is as follows: the spring sleeve 11 comprises an outer cylinder 12, an inner rod 13 and a buffer spring 14, the inner rod 13 freely slides into the outer cylinder 12 from a hole formed in the end of the outer cylinder 12, and the buffer spring 14 is arranged between the inner rod 13 in the outer cylinder 12 and the bottom of the outer cylinder 12.
As shown in fig. 5, as a more preferred embodiment, the arc shell modules 10 connected to the sleeve 4 and the arc shell modules 10 connected to the slip ring 5 are arranged in a staggered manner, the dividing tangent between adjacent arc shell modules 10 forms a certain included angle with the radial direction of the cylindrical shell 6, the dividing tangents on both sides of the arc shell modules 10 are symmetrically arranged, and on the whole, the arc shell modules 10 are arranged in a staggered manner inside and outside, and when external force is applied to the cylindrical shell 6, the arc shell modules 10 can slide along the dividing plane 17 to be reduced, so that a flexible buffer effect is achieved.
As a better embodiment, the cylinder shell 6 is externally sleeved with an elastic buffer sleeve.
The utility model discloses the theory of operation as follows:
when an automobile or external force impacts the rotary drum 2 on the guardrail, the drum shell 6 of the rotary drum 2 firstly rotates around the main shaft 3 to buffer and guide the collision energy of the automobile and assist the automobile to return to a normal running direction; secondly, the drum shell 6 of the rotary drum 2 of the utility model is of a splicing structure, when impact force acts on the drum shell 6, because the drum shell 6 is divided into a plurality of arc shell modules 10 by a complete shell, the arc shell modules 10 can slide along the dividing surfaces 17, the whole drum shell 6 can be reduced to generate buffer action and prevent rigid collision, the drum shell 6 of the utility model is divided into two types, one type is connected with the sleeve 4 through the gas spring or the spring sleeve 11, the deformation can be directly buffered through the gas spring or the spring sleeve 11, thereby achieving the functions of energy absorption and buffering, the other one is hinged with the two slip rings 5 through the connecting rod 15, the slip rings 5 and the main shaft 3 can slide relatively, and the high-strength spring 16 is arranged, so that the radial impact force borne by the arc-shaped shell module 10 is converted into axial impact force through the connecting rod 15 and the sliding ring 5 and is buffered and offset by the high-strength spring 16; in addition because the inclined plane of cutting apart between the arc shell module 10 exists, therefore no matter on which arc shell module 10 of impact force is used, all can produce the combined action, when the impact force is used in the arc shell module 10 of externally, also can transmit arc shell module 10 including, in addition the utility model discloses sliding ring 5's combined action strikes the car like this with the utility model discloses when any one arc shell module 10 contact is used, all transmit the effort for high strength spring 16 through connecting rod 15, play the cushioning effect. Additionally because the utility model discloses a spring buffer structure, after a certain rotatory section of thick bamboo 2 and car impact contact, this rotatory section of thick bamboo 2 can restore rapidly, can strike the cushioning effect that plays to the car many times, compares in traditional guardrail promptly, and this guardrail possesses continuous repetitious usage and the revise ability to the car direction of traveling. It should be pointed out, the utility model discloses used spring stiffness coefficient K size is right the utility model discloses concrete scheme implements not to constitute the influence, but can constitute the influence to the optimal effect, if the undersize, then more soft, the impact resistance effect is not very ideal, if too big, then can be unchangeable to car direction correction ability, but too rigid, the impact resistance effect is also not very ideal, consequently need spring stiffness coefficient K moderate can, the definite basis of spring stiffness coefficient K of striking buffer power carry out the emulation calculation can, perhaps do a simulation and strike, also can arrive reasonable scope through the experiment of on-the-spot finite number of times, this method does not belong to the utility model discloses a point, can reach through current known technology, no longer give details here.
Claims (10)
1. A rotary drum, characterized by: the novel high-strength spring type sliding sleeve comprises a main shaft, a sleeve, two sliding rings and a sleeve shell, wherein the sleeve is installed in the middle of the main shaft through a bearing, the two sliding rings are respectively arranged on the main shaft at two ends of the sleeve, a high-strength spring is arranged between the sliding rings and the main shaft, the sleeve shell is divided into a plurality of arc-shaped shell modules through a complete shell, the middle of one part of the arc-shaped shell modules is connected with the middle of the sleeve through a buffering telescopic part, and the other part of the arc-shaped shell modules is respectively hinged with the sliding rings at the.
2. The rotary cylinder of claim 1, wherein: the main shaft is a stepped shaft, and a first concave shaft used for installing the sleeve is arranged in the middle of the stepped shaft.
3. The rotary cylinder of claim 2, wherein: and two ends of the stepped shaft are respectively provided with a second concave shaft for the sliding ring to slide.
4. The rotary cylinder of claim 2, wherein: the buffering extensible member is air spring or spring sleeve, the spring sleeve includes urceolus, interior pole and buffer spring, in the interior pole freely slided stretches into the urceolus from the hole that urceolus tip set up, buffer spring locates between interior pole and the urceolus bottom in the urceolus.
5. The rotary cylinder of claim 2, wherein: the arc-shaped shell modules connected with the sleeve and the arc-shaped shell modules connected with the slip ring are arranged in a staggered mode.
6. The rotary cylinder of claim 2, wherein: the cutting tangent line between the adjacent arc-shaped shell modules forms a certain included angle with the radial direction of the cylinder shell.
7. The rotary cylinder of claim 6, wherein: the cutting tangents on the two sides of the arc-shaped shell module are symmetrically arranged.
8. The rotary cylinder of claim 2, wherein: the sleeve is connected with two ends of a first concave shaft in the middle of the stepped shaft through thrust bearings.
9. The rotary cylinder according to any one of claims 1 to 8, wherein: an elastic buffer sleeve with certain friction resistance is sleeved outside the cylinder shell.
10. A rotary bumper guard utilizing the rotary cylinder of any one of claims 1 to 8, wherein: the rotary drum type rotary drum device comprises two cross beams, and the rotary drums are arranged between the two cross beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627326.5U CN210049159U (en) | 2019-05-05 | 2019-05-05 | Rotary cylinder and rotary type buffering guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627326.5U CN210049159U (en) | 2019-05-05 | 2019-05-05 | Rotary cylinder and rotary type buffering guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210049159U true CN210049159U (en) | 2020-02-11 |
Family
ID=69380847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920627326.5U Expired - Fee Related CN210049159U (en) | 2019-05-05 | 2019-05-05 | Rotary cylinder and rotary type buffering guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210049159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113403976A (en) * | 2021-07-19 | 2021-09-17 | 杨金磊 | Highway road surface decelerator |
-
2019
- 2019-05-05 CN CN201920627326.5U patent/CN210049159U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113403976A (en) * | 2021-07-19 | 2021-09-17 | 杨金磊 | Highway road surface decelerator |
| CN113403976B (en) * | 2021-07-19 | 2022-07-26 | 杨金磊 | Highway road surface decelerator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210163834U (en) | Town road anticollision mound | |
| CN106012913B (en) | A kind of road traffic guardrail for being capable of snubber shock | |
| CN206887835U (en) | A kind of highway bend vapour-pressure type guard rail | |
| CN210049159U (en) | Rotary cylinder and rotary type buffering guardrail | |
| CN211228274U (en) | Highway damping rail guard | |
| CN109338947A (en) | A kind of collapse type highway isolation belt guardrail | |
| CN112982241B (en) | Novel safety protection device for highway engineering management | |
| CN213448097U (en) | Bridge anticollision railing | |
| CN206655119U (en) | A kind of Bridge guardrail | |
| CN210315324U (en) | Rail guard for municipal works | |
| CN211340580U (en) | Novel anti-collision waveform guardrail for highway | |
| CN208949788U (en) | Elastic helix drum-type anticollision device, collision-prevention device | |
| CN215888031U (en) | Traffic road safety isolation guardrail | |
| CN100587167C (en) | Road danger section guard bar refitted from automobile old wheel | |
| CN215482565U (en) | Traffic engineering buffer stop | |
| CN213952046U (en) | Road guardrail protective bracket | |
| CN215052510U (en) | Anti-collision device for highway pier | |
| CN205711872U (en) | A kind of crashproof road guard of new type of safe flexible buffer | |
| CN205711878U (en) | A kind of have the crashproof road guard forwarding structure | |
| CN107724301A (en) | A kind of highway integrated guardrail plate | |
| CN210368765U (en) | Guardrail for road isolation | |
| CN110042784B (en) | Elastic spiral drum type anti-collision device and elastic rolling body | |
| CN207646658U (en) | A kind of anti-vehicle of tunnel face flexible energy hits structure | |
| CN111733733A (en) | High-performance road traffic anti-collision barrel structure | |
| CN215329579U (en) | A safe type anticollision institution for highway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 Termination date: 20210505 |