CN112746572B - Multifunctional safety warning buffer type traction device - Google Patents
Multifunctional safety warning buffer type traction device Download PDFInfo
- Publication number
- CN112746572B CN112746572B CN202010921412.4A CN202010921412A CN112746572B CN 112746572 B CN112746572 B CN 112746572B CN 202010921412 A CN202010921412 A CN 202010921412A CN 112746572 B CN112746572 B CN 112746572B
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- CN
- China
- Prior art keywords
- support
- friction plate
- traction device
- sliding
- insertion portion
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Classifications
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
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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
- E01F15/14—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 specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
-
- 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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/529—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
-
- 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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
- E01F9/646—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection extensible, collapsible or pivotable
Abstract
The invention discloses a multifunctional safety warning buffer type traction device, and relates to the technical field of municipal construction safety devices; the energy-absorbing energy; the friction plate is connected to one end of the support far away from the connector, and the lower end of the support is inserted onto the friction plate. The invention provides a multifunctional safety warning buffer type traction device. Can be used by being separated from an engineering vehicle.
Description
Technical Field
The invention belongs to the technical field of municipal construction safety devices, and particularly relates to a multifunctional safety warning buffer type traction device.
Background
In municipal construction, often can place the roadblock sign on the road in order to ensure workman's safety, prevent that some vehicles mistake from rushing the building site and coming too late the brake and cause the injury to the workman.
At present, some traction type roadblocks are towed behind a construction truck, and are towed to a specified place to stop, so that the roadblocks need to be used together with the construction truck, cannot be separated from the construction truck for independent use, and have single function.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a multifunctional safety warning buffer type traction device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multifunctional safety warning buffer type traction device comprises a support, rollers rotatably connected with the support, a lifting mechanism used for changing the height of the support, a connector positioned at one end of the support and used for being connected with an engineering vehicle, an energy absorption box positioned at the other end of the support and used for collapsing and absorbing energy, a shield plate positioned on the support, a friction plate abutted against the ground, rotating rollers rotatably connected to the upper side of the friction plate, a supporting piece positioned between the rotating rollers and used for supporting a tire so as to separate the tire from the rotating rollers, and a control mechanism used for controlling the supporting piece to move downwards after the energy absorption box collapses and absorbs energy; the friction plate is connected to one end of the support far away from the connector, and the lower end of the support is inserted onto the friction plate.
Preferably, the barrier plate comprises a cylinder body with the lower end connected to the bracket, a lifting body with the lower end inserted into the cylinder body, and a second lifting mechanism for controlling the lifting body to move up and down.
Preferably, the cylinder body is provided with a first air hole, and the second lifting mechanism is an air pump connected with the first air hole.
As preferred, the friction plate is equipped with the portion of inserting near the one end of support, the one end that the connector was kept away from to the support is equipped with the slot with the portion of inserting adaptation, portion of inserting sliding connection is in the slot, the bottom of barrel is equipped with the second gas pocket, be connected with the first spring that is used for applying the power towards the slot to it in the portion of inserting, be equipped with the spout in the support, sliding connection has the slider that is used for ending the second gas pocket in the spout, be equipped with on the slider and receive the via hole of opening the second gas pocket after the striking as the energy-absorbing box, slider one end and portion of inserting are connected.
Preferably, the control mechanism comprises a second sliding chute positioned in the friction plate, a second sliding piece connected in the second sliding chute in a sliding manner, a second spring positioned on the second sliding piece and used for resetting, and an inclined plane positioned on the second sliding piece; the lower end of the supporting piece is abutted against the inclined plane; the control mechanism further comprises a stopping mechanism for preventing the second sliding piece from sliding in the second sliding groove.
Preferably, the stopping mechanism comprises a cylinder body positioned on the friction plate, a piston connected in the cylinder body in a sliding manner, and a piston rod with one end connected to the piston; the other end of the piston rod is inserted into the friction plate and abuts against one end of the second sliding piece, and the cylinder body is communicated with the cylinder body; the stop mechanism further comprises a drive spring for driving the piston rod such that the piston rod and the second slider are disengaged.
Preferably, a limiting block is fixed on one side of the slot, a limiting groove is formed in one side of the inserting portion, the limiting block is connected in the limiting groove in a sliding mode, and when the limiting block abuts against one end, close to the connector, of the limiting groove, the second air hole is opened through the through hole; the roller is rotatably connected with a supporting block, the lifting mechanism is an electric cylinder positioned between the supporting block and the support, a height limiting block is arranged between the support and the supporting block, the upper end of the height limiting block is connected to the support, and when the lower end of the height limiting block is abutted against the supporting block, the friction plate is attached to the ground.
Preferably, the friction plate includes a main plate, a rubber layer on a lower side of the main plate.
The invention has the beneficial effects that: the invention provides a multifunctional safety warning buffer type traction device. Can be used by being separated from an engineering vehicle.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic view of the support member on the vehicle;
FIG. 5 is a schematic view of the tire abutting against the rotating roller after the crash box collapses and absorbs energy.
In the figure: the energy-absorbing device comprises a support 1, a roller 2, an energy-absorbing box 3, a connector 4, a friction plate 5, a rotating roller 6, a tire 7, a support piece 8, a main plate 9, a rubber layer 10, a barrier plate 11, a cylinder 12, a lifting body 13, a first air hole 14, an insertion part 15, a slot 16, a second air hole 17, a first spring 18, a sliding groove 19, a sliding part 20, a through hole 21, a second sliding groove 22, a second sliding part 23, a second spring 24, an inclined surface 25, a cylinder body 26, a piston 27, a piston rod 28, a limiting block 29, a limiting groove 30, an electric cylinder 31, a supporting block 32, a limiting block 33 and a driving spring 34.
Detailed Description
The invention is explained in further detail below with reference to the figures and the detailed description:
example (b):
referring to fig. 1 to 5, a multifunctional safety warning buffer type traction device comprises a bracket 1, a roller 2 rotationally connected with the bracket 1, a lifting mechanism for changing the height of the bracket 1, a connector 4 positioned at one end of the bracket 1 and used for being connected with an engineering vehicle, an energy absorption box 3 positioned at the other end of the bracket 1 and used for collapsing and absorbing energy, a barrier plate 11 positioned on the bracket 1, a friction plate 5 abutted against the ground, a rotating roller 6 rotationally connected with the upper side of the friction plate, a support member 8 positioned between the rotating rollers 6 and used for supporting a tire 7 so as to separate the tire 7 from the rotating roller 6, and a control mechanism for controlling the support member 8 to move downwards after the energy absorption box 3 collapses and absorbs energy; the friction plate is connected to one end of the bracket 1 far away from the connector 4, and the lower end of the support member 8 is inserted on the friction plate 5.
The friction plate 5 comprises a main plate 9, a rubber layer 10 on the underside of the main plate 9.
The barrier board 11 comprises a cylinder 12 with the lower end connected to the bracket 1, a lifting body 13 with the lower end inserted in the cylinder 12, and a second lifting mechanism for controlling the lifting body 13 to move up and down.
The cylinder 12 is provided with a first air hole 14, and the second lifting mechanism is an air pump connected with the first air hole 14.
One end that friction plate 5 is close to support 1 is equipped with insertion portion 15, the one end that connector 4 was kept away from to support 1 is equipped with the slot 16 with insertion portion 15 adaptation, insertion portion 15 sliding connection is in slot 16, the bottom of barrel 12 is equipped with second gas pocket 17, be connected with on the insertion portion 15 and be used for applying the first spring 18 towards the power in the slot 16 to it, be equipped with spout 19 in the support 1, sliding connection has the slider 20 that is used for ending second gas pocket 17 in the spout 19, be equipped with on the slider 20 when energy-absorbing box 3 receives the via hole 21 that opens second gas pocket 17 after the striking, slider 20 one end and insertion portion 15 are connected.
The control mechanism comprises a second sliding chute 22 positioned in the friction plate 5, a second sliding piece 23 connected in the second sliding chute 22 in a sliding way, a second spring 24 positioned on the second sliding piece 23 for resetting, and an inclined plane 25 positioned on the second sliding piece 23;
the lower end of the support 8 abuts against the inclined surface 25;
the control mechanism further comprises a stop mechanism for preventing the second slider 23 from sliding in the second runner 22.
The stopping mechanism comprises a cylinder 26 positioned on the friction plate 5, a piston 27 connected in the cylinder 26 in a sliding way, and a piston rod 28 with one end connected to the piston 27;
the other end of the piston rod 28 is inserted into the friction plate 5 and abuts against one end of the second sliding part 23, and the cylinder body 26 is communicated with the cylinder body 12;
the stop mechanism further comprises a drive spring 34 for driving the piston rod 28 such that the piston rod 28 and the second slider 23 are disengaged.
A limiting block 29 is fixed on one side of the slot 16, a limiting groove 30 is formed in one side of the inserting portion 15, the limiting block 29 is connected in the limiting groove 30 in a sliding mode, and when the limiting block 29 abuts against one end, close to the connector 4, of the limiting groove 30, the second air hole 17 is opened through the through hole 21;
the roller 2 is rotatably connected with a supporting block 32, the lifting mechanism is an electric cylinder 31 located between the supporting block 32 and the support 1, a height limiting block 33 is arranged between the support 1 and the supporting block 32, the upper end of the height limiting block 33 is connected to the support 1, and when the lower end of the height limiting block 33 abuts against the supporting block 32, the friction plate 5 is attached to the ground.
Principle of embodiment:
the air pump runs, the lifting body 13 rises, the lifting body 13 improves the height of the barrier plate 11, and the LED is arranged on the lifting body 13, so that the LED is more striking. Since the cylinder 26 and the cylinder 12 are communicated, when the air pressure in the cylinder 12 rises, the end of the piston rod 28 abuts against the end of the second slider 23.
For some front-drive vehicles, when the vehicle impacts the energy absorption box 3, the vehicle can not immediately step on the brake when the vehicle is in collision, at this time, the tire 7 opens the support member 8, the tire 7 applies friction force to the support member 8, the friction force between the friction plate 5 and the ground is large, the friction plate 5 cannot slide relative to the ground at this time, the friction force between the support member 8 and the tire 7 is also large, the tire 7 and the friction plate 5 cannot slide relative to each other, and the vehicle impacts the energy absorption box 3 while decelerating under the action of the brake, as shown in fig. 4.
The vehicle then deforms the crash box 3 by impact, see figure 5. The energy absorption box 3 is connected to the bracket 1, under the action of the energy absorption box 3, the bracket 1 and the friction plate 5 can generate relative displacement, the limit block 29 moves to the end part of the limit groove 30, meanwhile, the second air hole 17 is opened through the through hole 21, the air in the cylinder 12 is unloaded from the second air hole 17, the lifting body 13 descends, the barrier plate 11 becomes short, meanwhile, the air in the cylinder 26 is also unloaded, under the action of the driving spring 34, the second sliding part 23 and the piston rod 28 are separated, the supporting part 8 moves downwards under the action of the tire 7, the tire 7 can abut against the rotating roller 6, at the moment, the embodiment is subjected to the thrust of a vehicle head to the energy absorption box 3, under the action of the thrust, the friction plate 5 can rub the ground to advance, and the roller 2 can roll on the ground to advance. And finally, the vehicle stops advancing under the action of the friction force between the friction plate 5 and the ground. It needs to be provided that, originally, the height of the barrier panel 11 is 3m, after being impacted by a vehicle, the barrier panel 11 easily blocks the sight of the driver, and the pedestrian in front cannot be avoided, here, after impacting the energy absorption box 3, the barrier panel 11 automatically becomes short, and the barrier panel 11 cannot block the driver.
In addition, in the embodiment, the supporting piece 8 can descend after the energy absorption box 3 is collapsed for absorbing energy, when a tense driver mistakenly takes the accelerator as a brake, when a front-driving vehicle collides with the front-driving vehicle, the power of the tire 7 is dissolved through the rotating roller 6, so that the vehicle cannot advance further, and the safety is greatly improved.
In addition, the present embodiment can be moved by connecting the connector 4 to the engineering vehicle and then raising the stand 1 by the lifting mechanism. When in use, the device can be used without being separated from the engineering vehicle.
Claims (6)
1. A multifunctional safety warning buffer type traction device is characterized by comprising a support, rollers rotatably connected with the support, a lifting mechanism for changing the height of the support, a connector positioned at one end of the support and used for being connected with an engineering vehicle, an energy absorption box positioned at the other end of the support and used for collapsing and absorbing energy, a screen board positioned on the support, a friction plate abutted against the ground, rotating rollers rotatably connected to the upper side of the friction plate, a supporting piece positioned between the rotating rollers and used for supporting a tire so as to separate the tire from the rotating rollers, and a control mechanism for controlling the supporting piece to move downwards after the energy absorption box collapses and absorbs energy;
the friction plate is connected to one end of the support far away from the connector, and the lower end of the support is inserted on the friction plate;
the barrier plate comprises a cylinder body, a lifting body and a second lifting mechanism, wherein the lower end of the cylinder body is connected to the support, the lower end of the lifting body is inserted into the cylinder body, and the second lifting mechanism is used for controlling the lifting body to move up and down;
the friction plate comprises a main plate and a rubber layer positioned on the lower side of the main plate.
2. The multifunctional safety warning buffer type traction device according to claim 1, wherein the cylinder is provided with a first air hole, and the second lifting mechanism is an air pump connected with the first air hole.
3. The multifunctional safety warning buffer-type traction device according to claim 2, wherein an insertion portion is arranged at one end, close to the support, of the friction plate, a slot matched with the insertion portion is arranged at one end, far away from the connector, of the support, the insertion portion is slidably connected in the slot, a second air hole is arranged at the bottom of the barrel, a first spring used for applying force towards the insertion portion to the insertion portion is connected to the insertion portion, a sliding groove is arranged in the support, a sliding piece used for stopping the second air hole is slidably connected in the sliding groove, a through hole used for opening the second air hole after the energy absorption box is impacted is formed in the sliding piece, and one end of the sliding piece is connected with the insertion portion.
4. The draft gear, according to claim 3, wherein said control means comprises a second slide groove in said friction plate, a second slide member slidably connected in said second slide groove, a second spring for return on said second slide member, a ramp on said second slide member;
the lower end of the supporting piece is abutted against the inclined plane;
the control mechanism further comprises a stopping mechanism for preventing the second sliding piece from sliding in the second sliding groove.
5. The multifunctional safety warning buffer type traction device according to claim 4, wherein the stopping mechanism comprises a cylinder located on the friction plate, a piston slidably connected in the cylinder, a piston rod with one end connected to the piston;
the other end of the piston rod is inserted into the friction plate and abuts against one end of the second sliding piece, and the cylinder body is communicated with the cylinder body;
the stop mechanism further comprises a drive spring for driving the piston rod such that the piston rod and the second slider are disengaged.
6. The multifunctional safety warning buffer type traction device according to claim 3, wherein a limiting block is fixed on one side of the slot, a limiting groove is arranged on one side of the insertion part, the limiting block is slidably connected in the limiting groove, and when the limiting block abuts against one end, close to the connector, of the limiting groove, the second air hole is opened by the through hole;
the roller is rotatably connected with a supporting block, the lifting mechanism is an electric cylinder positioned between the supporting block and the support, a height limiting block is arranged between the support and the supporting block, the upper end of the height limiting block is connected to the support, and when the lower end of the height limiting block is abutted against the supporting block, the friction plate is attached to the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921412.4A CN112746572B (en) | 2020-09-04 | 2020-09-04 | Multifunctional safety warning buffer type traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921412.4A CN112746572B (en) | 2020-09-04 | 2020-09-04 | Multifunctional safety warning buffer type traction device |
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| Publication Number | Publication Date |
|---|---|
| CN112746572A CN112746572A (en) | 2021-05-04 |
| CN112746572B true CN112746572B (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010921412.4A Active CN112746572B (en) | 2020-09-04 | 2020-09-04 | Multifunctional safety warning buffer type traction device |
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| CN (1) | CN112746572B (en) |
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| Publication number | Publication date |
|---|---|
| CN112746572A (en) | 2021-05-04 |
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