CN213681808U - Variable-height speed reducing device and standard traveling system - Google Patents
Variable-height speed reducing device and standard traveling system Download PDFInfo
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- CN213681808U CN213681808U CN202022434192.0U CN202022434192U CN213681808U CN 213681808 U CN213681808 U CN 213681808U CN 202022434192 U CN202022434192 U CN 202022434192U CN 213681808 U CN213681808 U CN 213681808U
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Abstract
The utility model relates to a become height decelerator and standard driving system belongs to road speed reduction equipment field. The height-variable speed reducer comprises a speed reducing plate and a piston hydraulic spring, a piston cavity and an accommodating cavity are arranged in the piston hydraulic spring, a piston and a piston rod are arranged in the piston cavity, and the speed reducing plate is arranged on the piston hydraulic spring. The standard traveling system comprises the height-variable speed reducer and the conventional speed reducing block, wherein the height-variable speed reducer and the conventional speed reducing block are arranged perpendicular to the extending direction of the lane. The invention can standardize the driving route, reduce the vehicle bump when the vehicle passes at a speed lower than the limited speed, keep the vehicle bump when the vehicle passes at a speed higher than the limited speed, and reduce the speed of the vehicle. The utility model discloses simple structure, the reliability is high, and the installation is simple, is convenient for change.
Description
Technical Field
The utility model belongs to road speed reduction equipment field relates to a change height decelerator and standard driving system.
Background
The speed reducer is a ground device which is necessary on public roads, enterprises and public institutions and internal roads of residential districts, and has the function of promoting a driver to reduce the speed of the vehicle by generating vehicle bump. However, the current road speed reduction devices are all very unscientific and unsupervised: even if the vehicle runs according to the speed limit, the vehicle still generates great jolt, so that the driver and passengers feel uncomfortable and the vehicle is damaged. Although there is self-adaptation intelligent highway deceleration strip at present, its principle is according to the speed of a motor vehicle that measures in advance, adjusts the height of deceleration strip through the solenoid valve control, makes the cost of deceleration strip improve greatly on the one hand, and on the other hand, because the road condition is complicated, the reliability of the device is poor. There are also many reports about the adoption of non-Newtonian fluid as the deceleration strip material abroad, but the non-Newtonian fluid can only be arranged in the soft rubber bag, and the soft rubber bag has poor durability, is easy to break and has short service life.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present invention is to provide a height-variable reduction gear and a standard traveling system, which can sufficiently sink when a vehicle passes through a vehicle at a speed lower than the speed limit, thereby reducing the vehicle bumping strength, and which can sink insufficiently when the vehicle passes through a vehicle at a speed higher than the speed limit, thereby maintaining the vehicle bumping strength and reducing the speed of the vehicle.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a height-variable speed reducer comprises a speed reducing plate and a piston hydraulic spring, wherein the piston hydraulic spring comprises a hydraulic cylinder and a piston rod, a piston cavity and an accommodating cavity are arranged in the hydraulic cylinder, a piston is arranged in the piston cavity, the piston slides in the piston cavity in a sealing manner, a communication opening is formed between the piston cavity and the accommodating cavity, a one-way valve plate is arranged on the communication opening, a flow limiting hole is formed in the one-way valve plate, and the one-way valve plate is opened towards the piston cavity in a one-way manner; one end of the piston rod is connected to the piston, the speed reducing plate is connected to one end, far away from the piston, of the piston rod, and the speed reducing plate moves back and forth along the extending direction of the piston cavity along with the piston rod.
Optionally, an arc surface support is arranged between the speed reduction plate and the piston rod, one end of the arc surface support is connected to the speed reduction plate, and the other end of the arc surface support is arranged corresponding to the piston rod; the cambered surface support hold with still be provided with the pressure rod between the piston rod, the cambered surface support hold and the piston rod is close to one of each other and is served and all be provided with the arc breach, the pressure rod setting that shows is between two arc breachs.
Optionally, the piston hydraulic spring is a plurality of, and a plurality of the piston hydraulic spring follows the extending direction of the speed reducing plate sets gradually, and a plurality of the piston hydraulic spring all connect in the same one side of speed reducing plate.
Optionally, the number of the piston hydraulic springs is two, and the two piston hydraulic springs are respectively arranged at two ends of the speed reduction plate.
Optionally, a support beam is further disposed on one side of the speed reduction plate close to the piston rod, and the support beam is disposed along the extending direction of the speed reduction plate.
Optionally, the decelerating plate is connected to the piston rod through the supporting beam, and the decelerating plate is detachably connected to the supporting beam.
Optionally, the accommodating cavity is filled with air, the piston cavity is filled with hydraulic oil, and the communicating opening is arranged away from the piston rod.
Optionally, the check valve plate is disposed in the piston cavity, one end of the check valve plate is rotatably connected to one side of the communication opening, and the other end of the check valve plate is overlapped to the other side of the communication opening.
Optionally, the check valve plate can be dismantled and set up in the pneumatic cylinder, the check valve plate is a plurality of, and a plurality of different size restricted aperture have been seted up respectively on the check valve plate, and the size of restricted aperture designs according to the speed limit value, and the speed limit value is big more, then the restricted aperture size is big more.
Optionally, the speed reduction plate is a rubber plate, and two sides of the speed reduction plate are respectively and fixedly connected to the road surface.
Optionally, the cambered surface supports and holds in the palm and adopt steel to make, it adopts the channel-section steel to make to prop up a supporting beam.
A standard traveling system comprises the variable-height speed reducing device and the conventional speed reducing blocks, wherein the variable-height speed reducing device and the conventional speed reducing blocks are arranged along the extending direction perpendicular to a lane, the conventional speed reducing blocks are arranged on the two sides and the middle of the lane at intervals, and the variable-height speed reducing device is arranged between the adjacent conventional speed reducing blocks.
Alternatively, the conventional retarding block is coated with a different color than the high-altitude retarding device.
Alternatively, the conventional speed reducer blocks are coated with yellow, orange or red, and the high-altitude speed reducers are coated with green or blue.
The beneficial effects of the utility model reside in that: the invention has the beneficial effects that: (1) the speed reducing plate is arranged on the piston hydraulic spring, a piston cavity and an accommodating cavity are arranged in the piston hydraulic spring, a one-way valve plate is arranged between the piston cavity and the accommodating cavity, and a flow limiting hole is formed in the one-way valve plate; when the vehicle passes through the speed reducing plate under the condition of being higher than the speed limit, the running speed of the vehicle is higher, the time for the vehicle to pass through the speed reducing plate is shorter, the speed reducing plate sinks insufficiently, the bumping strength of the vehicle is kept, and the purpose of speed reduction is achieved. The invention realizes the adjustment of the height of the speed reducing plate for vehicles with different speeds through a mechanical structure, and has the advantages of sensitive response, simple and reliable structure, long service life and low cost. (2) Piston hydraulic spring is fixed to be set up, is provided with the cambered surface between speed reduction plate and the piston rod and supports and hold in the palm, and the cambered surface supports to be provided with the pressure-bearing stick between holding in the palm and the piston rod, and the pressure-bearing stick holds in the cambered surface supports to hold in the palm and the arc breach of piston rod. When the vehicle passes through the speed reduction plate, the speed reduction plate can pass through and bear and press between stick and the piston rod along horizontal direction relative motion, reduces the horizontal impact force that the speed reduction plate transmitted for piston hydraulic spring, prevents piston hydraulic spring from damaging.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a structure of a variable height reduction gear;
FIG. 2 is a schematic sectional view of the arrangement of the variable height reduction gear;
FIG. 3 is a schematic view of the variable height reduction apparatus;
fig. 4 is a schematic plan view of the arrangement of the height-varying reduction gear.
Reference numerals: the device comprises a speed reducing plate 1, a piston rod 2, a piston 3, a piston cavity 4, an accommodating cavity 5, an arc surface supporting bracket 6, a pressure bearing rod 7, a supporting beam 8, a one-way valve plate 9, an oil cylinder pit 10, a limiting pit 11, a connecting bolt 12, a fixing bolt 13, a square steel pipe 14, a conventional speed reducing block 15, a road surface 16, a limiting pit bottom 17, wheels 18, a road boundary 19, a lane 20 and a road middle line 21.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Please refer to fig. 1-2, which are a height-variable speed reducer, comprising a speed reducer plate 1 and a piston hydraulic spring, wherein the piston hydraulic spring comprises a hydraulic cylinder and a piston rod 2, a piston cavity 4 and an accommodating cavity 5 are arranged in the hydraulic cylinder, hydraulic oil is filled in the piston cavity 4, air is filled in the accommodating cavity 5, a piston 3 is arranged in the piston cavity 4, the piston 3 slides in the piston cavity 4 in a sealing manner, a communication opening is arranged between the piston cavity 4 and the accommodating cavity 5, a check valve plate 9 is arranged on the communication opening, a flow-limiting hole is arranged on the check valve plate 9, and the check valve plate 9 is opened towards the piston cavity 4 in a one-way; one end of the piston rod 2 is connected to the piston 3, the speed reducing plate 1 is connected to one end, far away from the piston 3, of the piston rod 2, and the speed reducing plate 1 reciprocates along the extending direction of the piston cavity 4 along with the piston rod 2. In this embodiment, the number of the accommodating cavities 5 is two, the piston cavity 4 is arranged between the two accommodating cavities 5, and the two accommodating cavities 5 and the piston cavity 4 are respectively provided with a communication opening and a one-way valve plate 9.
The one-way valve plate 9 is arranged in the piston cavity 4, one end of the one-way valve plate 9 is rotatably connected to one side of the communication opening, and the other end of the one-way valve plate 9 is lapped on the other side of the communication opening. The check valve plate 9 can be dismantled and set up in the pneumatic cylinder, and the check valve plate 9 is a plurality of, has seted up the restricted aperture of unidimensional not on a plurality of check valve plate 9 respectively. The speed limit value of the speed reducer can be adjusted by replacing the one-way valve plate 9, the larger the size of the flow limiting hole on the one-way valve plate 9 is, the higher the speed limit is, the smaller the size of the flow limiting hole is, and the lower the speed limit is.
Piston hydraulic spring can be a plurality of, and a plurality of piston hydraulic spring sets gradually along the extending direction of speed reduction plate 1, and a plurality of piston hydraulic spring all connects on same one side of speed reduction plate 1. Piston hydraulic spring quantity and arrange the position and can select according to actual road conditions and demand, in this embodiment, piston hydraulic spring is two, and two piston hydraulic springs set up respectively on the both ends of speed reduction plate 1.
A support beam 8 is further arranged on one side of the speed reducing plate 1 close to the piston rod 2, and the support beam 8 is arranged along the extending direction of the speed reducing plate 1. The speed reduction plate 1 is connected to the piston rod 2 via a support beam 8. A supporting beam 8 adopts the channel-section steel to make, is provided with square steel pipe 14 between a supporting beam 8 and the speed reduction plate 1, and square steel pipe 14 is two, and two square steel pipes 14 set up on the both sides of channel-section steel along the extending direction of speed reduction plate 1, and square steel pipe 14 has increased the area of contact of speed reduction plate 1 with a supporting beam 8, prevent the channel-section steel edge owing to with the undersize of the area of contact of speed reduction plate 1, produce shearing action and destroy speed reduction plate 1 to speed reduction plate 1 when speed reduction plate 1 atress. The speed reduction plate 1 is detachably connected with the support beam 8 and the square steel tube 14 through the connecting bolt 12. After the speed reducing plate 1 is damaged, the speed reducing plate 1 can be detached from the supporting beam 8 and then replaced, and the service life of the whole device is prolonged.
In this embodiment, still be provided with the cambered surface between speed reduction plate 1 and the piston rod 2 and support 6, the cambered surface supports and holds in the palm 6 adoption steel and make, and the cambered surface supports the one end that holds in the palm 6 and connects on speed reduction plate 1, and the cambered surface supports the other end that holds in the palm 6 and corresponds the setting of piston rod 2. The cambered surface supports and still is provided with pressure-bearing stick 7 between support 6 and the piston rod 2, and the cambered surface supports and all is provided with the arc breach that is used for holding pressure-bearing stick 7 in the one end that support 6 and piston rod 2 are close to each other, and the arc breach laminates with pressure-bearing stick 7's outer peripheral face mutually. The speed reduction plate 1 is a rubber plate, and two sides of the rubber plate are fixed on the ground through fixing bolts 13 respectively. When the vehicle passes through the speed reducing plate 1, the speed reducing plate 1 can move relatively along the horizontal direction through the pressure bearing rod 7 and the piston rod 2, the horizontal impact force transmitted to the piston hydraulic spring by the speed reducing plate 1 is reduced, and the piston hydraulic spring is prevented from being damaged.
Referring to fig. 3, in the actual installation of the height-variable reduction gear, a road surface 16 is provided with a limit pit 11 for accommodating the reduction gear plate 1, and the limit pit is used for accommodating the reduction gear plate 1 when the reduction gear plate 1 sinks. An oil cylinder pit 10 is arranged in a limit pit 11, then a hydraulic cylinder of a piston hydraulic spring is arranged in the oil cylinder, so that a hydraulic plate is exposed out of a road surface 16, and the distance from the bottom of the limit pit 11 to the speed reduction plate 1 is smaller than the distance from the hydraulic cylinder to the speed reduction plate 1.
The speed reducing plate 1 is arranged on a piston hydraulic spring, a piston cavity 4 and a containing cavity 5 are arranged in the piston hydraulic spring, a one-way valve plate 9 is arranged between the piston cavity 4 and the containing cavity 5, a flow limiting hole is arranged on the one-way valve plate 9, when a vehicle passes through the speed reducing plate 1 under the condition of being lower than the speed limit, the running speed of the vehicle is higher, the time that the vehicle passes through the speed reducing plate 1 is shorter, due to the limitation of the discharge capacity of the flow limiting hole on the one-way valve plate 9, hydraulic oil in the piston cavity 4 cannot fully enter the containing cavity 5, the piston 3 cannot fully sink, the height of the speed reducing plate 1 is reduced, the speed reducing plate is still higher than a road surface 16, the bumping. The faster the vehicle speed, the smaller the reduction in height of the speed reduction plate 1, and the more the vehicle bumps when passing.
When a vehicle passes through the speed reducing plate 1 under the condition of being lower than the speed limit, the running speed of the vehicle is low, the time for the vehicle to pass through the speed reducing plate 1 is long, hydraulic oil in the piston cavity 4 can fully flow into the accommodating cavity 5, so that the speed reducing plate 1 fully sinks until the bottom of the speed reducing plate 1 is in contact with the bottom 17 of the limiting pit, the speed reducing plate 1 is accommodated in the limiting pit 11, the bumping strength of the vehicle is reduced or eliminated, and the vehicle stably passes through. The limiting pit 11 can limit the sinking height of the speed reducing plate 1, and prevents the speed reducing plate 1 from further sinking to impact a piston hydraulic spring or cause damage to a device caused by overlarge pressure in the piston hydraulic spring.
When the tire of vehicle passes through the air brake 1, along with hydraulic oil from piston chamber 4 entering and hold chamber 5, hold the interior hydraulic oil level of chamber 5 and rise, hold 5 air volumes in chamber and compressed, pressure increase. After the tire of the vehicle passes through the speed reducing plate 1, the pressure on the speed reducing plate 1 disappears, hydraulic oil enters the piston cavity 4 from the accommodating cavity 5 under the action of the air pressure in the accommodating cavity 5, the one-way valve plate 9 is opened at the moment, the hydraulic oil can rapidly flow into the piston cavity 4 through a communication opening between the accommodating cavity 5 and the piston cavity 4 and pushes the piston 3 to ascend, the speed reducing plate 1 can be restored to the original position in a short time, and the rear wheel of the vehicle or the wheel of the next vehicle can be prepared to pass through.
Referring to fig. 4, in practical use, the height-variable speed reduction device may also form a standard traveling system, which includes the height-variable speed reduction device and the conventional speed reduction blocks 15, the height-variable speed reduction device and the conventional speed reduction blocks 15 are disposed on the road surface 16 along the extending direction perpendicular to the lane 20, the conventional speed reduction blocks 15 are disposed at intervals on the two sides and the middle of the lane 20, and the height-variable speed reduction device is disposed between the adjacent conventional speed reduction blocks 15. The high-level reduction gear is arranged on a normal route, and the conventional reduction block 15 is arranged outside the normal route. In the present embodiment, the distance between the road boundaries 19 is 7500mm, the distance between the road boundaries 19 and the road center line 21 is 3750mm, that is, the width of the lane 20 is 3750mm, the length of the conventional speed reduction block 15 provided in the middle of the lane 20 is 500mm, the length of the conventional speed reduction block 15 provided on the side of the lane 20 close to the road boundaries 19 is 750mm, the length of the conventional speed reduction block 15 provided in the one-side lane 20 on the road center line 21 is 500mm, and the lengths of the two height reduction devices provided between the conventional speed reduction blocks 15 are 1000mm each.
When the vehicle passes through the speed-changing speed-reducing device at a speed lower than the speed limit value, the vehicle is smooth and bumpless, and when the vehicle runs on the conventional speed-reducing block 15, the vehicle still bumps, which prompts the driver to run according to the standard route. The common speed reducing block and the height-variable speed reducing device are used in a mixed mode, cost is saved, meanwhile, in the internal roads of enterprises and public institutions, residential districts and the like, due to the sharing of people and vehicles, vehicles run according to a standard route, and the accidents of scraping and rubbing between the vehicles and pedestrians, bicycles or other vehicles can be reduced.
The conventional deceleration block 15 and the high-level deceleration device may be coated with different colors, respectively. The conventional retarder block 15 is coated with yellow, orange or red and the variable-height retarders are coated with green or blue to remind the driver to drive on the variable-height retarders according to the regular route.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (9)
1. A height-variable speed reducer, characterized in that: the piston hydraulic spring comprises a speed reducing plate and a piston hydraulic spring, wherein the piston hydraulic spring comprises a hydraulic cylinder and a piston rod, a piston cavity and an accommodating cavity are arranged in the hydraulic cylinder, a piston is arranged in the piston cavity, the piston slides in the piston cavity in a sealing manner, a communication opening is formed between the piston cavity and the accommodating cavity, a one-way valve plate is arranged on the communication opening, a flow limiting hole is formed in the one-way valve plate, and the one-way valve plate is opened towards the piston cavity in a one-way manner;
one end of the piston rod is connected to the piston, the speed reducing plate is connected to one end, far away from the piston, of the piston rod, and the speed reducing plate moves back and forth along the extending direction of the piston cavity along with the piston rod.
2. A height-varying deceleration device according to claim 1, wherein: an arc surface supporting support is arranged between the speed reducing plate and the piston rod, one end of the arc surface supporting support is connected to the speed reducing plate, and the other end of the arc surface supporting support is arranged corresponding to the piston rod;
the cambered surface support and the piston rod are also provided with a pressure bearing rod, the cambered surface support and the end of the piston rod close to each other are provided with arc notches, and the pressure bearing rod is arranged between the two arc notches.
3. A height-varying deceleration device according to claim 1, wherein: piston hydraulic spring is a plurality of, a plurality of piston hydraulic spring follows the extending direction of air brake sets gradually, and is a plurality of piston hydraulic spring all connects be in air brake with one side on.
4. A height-varying deceleration device according to claim 3, wherein: the hydraulic piston springs are two and are respectively arranged at two ends of the speed reducing plate.
5. A height-varying deceleration device according to claim 1, wherein: and a support beam is further arranged on one side, close to the piston rod, of the speed reducing plate and is arranged along the extending direction of the speed reducing plate.
6. A height-varying deceleration device according to claim 5, wherein: the speed reduction plate is connected to the piston rod through the support beam, and the speed reduction plate is detachably connected to the support beam.
7. A height-varying deceleration device according to claim 1, wherein: the piston rod is characterized in that the accommodating cavity is filled with air, the piston cavity is filled with hydraulic oil, and the communicating opening is far away from the piston rod.
8. A height-varying deceleration device according to claim 1, wherein: the check valve plate is detachably arranged in the hydraulic cylinder and is provided with a plurality of flow limiting holes with different sizes.
9. A regular traveling system comprising the variable height deceleration device according to any one of claims 1 to 8 and a regular deceleration block, characterized in that: the height-variable speed reducer and the conventional speed reducing blocks are arranged along the extending direction perpendicular to the lane, the conventional speed reducing blocks are arranged on the two sides and the middle of the lane at intervals, and the height-variable speed reducer is arranged between the adjacent conventional speed reducing blocks.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022434192.0U CN213681808U (en) | 2020-10-28 | 2020-10-28 | Variable-height speed reducing device and standard traveling system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022434192.0U CN213681808U (en) | 2020-10-28 | 2020-10-28 | Variable-height speed reducing device and standard traveling system |
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| CN213681808U true CN213681808U (en) | 2021-07-13 |
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| CN202022434192.0U Active CN213681808U (en) | 2020-10-28 | 2020-10-28 | Variable-height speed reducing device and standard traveling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227240A (en) * | 2020-10-28 | 2021-01-15 | 重庆科技学院 | Height-variable speed reducer, installation method thereof and standard traveling system |
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- 2020-10-28 CN CN202022434192.0U patent/CN213681808U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227240A (en) * | 2020-10-28 | 2021-01-15 | 重庆科技学院 | Height-variable speed reducer, installation method thereof and standard traveling system |
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