CN111412123B - Power generation deceleration strip - Google Patents
Power generation deceleration strip Download PDFInfo
- Publication number
- CN111412123B CN111412123B CN202010263484.4A CN202010263484A CN111412123B CN 111412123 B CN111412123 B CN 111412123B CN 202010263484 A CN202010263484 A CN 202010263484A CN 111412123 B CN111412123 B CN 111412123B
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- roller
- lever
- deceleration strip
- shaft
- stress
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
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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
- E01F9/50—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
Abstract
The invention relates to a power generation deceleration strip. The deceleration strip includes: the deceleration strip comprises a deceleration strip shell, a lever stress structure, a shifting piece, a roller, a speed reducer and a generator; a plurality of roller blades are uniformly arranged on the roller along the circumferential direction of the roller; one end of the roller is in rolling connection with one side face of the deceleration strip shell, and the other end of the roller is connected with an input shaft of the speed reducer; the output shaft of the speed reducer is connected with the input shaft of the generator; the top of the lever stress structure is fixed with the inside of the top surface of the deceleration strip shell; the bottom of the lever stress structure is connected with the shifting piece through a one-way hinge respectively; the lever stress structure is used for driving the poking piece to poke the roller blade outside the roller to enable the roller to rotate when the top surface of the speed bump shell is stressed and deformed. The invention belongs to mechanical transmission power generation, has higher energy conversion efficiency than piezoelectric ceramics and dielectric elastomer materials, and improves the generated energy.
Description
Technical Field
The invention relates to the field of deceleration strips, in particular to a power generation deceleration strip.
Background
The speed bump is used as a novel special traffic safety device for reducing the running speed of motor vehicles and non-motor vehicles, and is generally arranged on road junctions, industrial and mining enterprises, schools, residential district entrances and other road sections needing vehicle speed reduction and slow running and road sections easily causing traffic accidents, so that the road surface is slightly arched to achieve the purpose of vehicle speed reduction.
At present, the deceleration strip is mainly made of rubber, and is shock-absorbing and wear-resistant. When the vehicle passes through the deceleration strip, because the action of gravity and the motion impact of vehicle itself can lead to rubber deceleration strip to warp, and when the vehicle passed through the back, the rubber deceleration strip reconversion, the elastic deformation of this kind that utilizes the rubber deceleration strip can carry out energy recuperation.
In the prior art, the following two methods are mainly used for recovering energy by using elastic deformation of a rubber deceleration strip: one is that a piezoelectric ceramic piece is embedded in a rubber deceleration strip, and the deformation of the piezoelectric ceramic piece is utilized to carry out energy conversion and power generation; the other method is to implant a dielectric elastomer material into the rubber speed bump and utilize the deformation of the dielectric elastomer material to perform energy conversion power generation. However, the energy conversion efficiency of the piezoelectric ceramic sheet and the dielectric elastomer material is very low, so that the power generation amount is very little, and thus the effective implementation is difficult in reality.
Disclosure of Invention
The invention aims to provide a power generation deceleration strip which effectively improves energy conversion efficiency and power generation capacity.
In order to achieve the purpose, the invention provides the following scheme:
a power generating speed bump, the speed bump comprising: the deceleration strip comprises a deceleration strip shell, a lever stress structure, a shifting piece, a roller, a speed reducer and a generator;
a plurality of roller blades are uniformly arranged on the roller along the circumferential direction of the roller;
one end of the roller is in rolling connection with one side face of the deceleration strip shell, and the other end of the roller is connected with an input shaft of the speed reducer; the output shaft of the speed reducer is connected with the input shaft of the generator;
the top of the lever stressed structure is fixed inside the top surface of the deceleration strip shell; the bottom of the lever stress structure is connected with the shifting piece through a one-way hinge; the lever stress structure is used for driving the poking piece to poke the roller blade outside the roller to enable the roller to rotate when the top surface of the speed bump shell is stressed and deformed.
Optionally, the lever force-bearing structure includes: 1 or more first lever force receiving components;
the first lever force receiving assembly comprises: the first lever support shaft is connected with the first force bearing rod through a first connecting rod;
one ends of the first transmission rods are connected with the first stress rods, and the other ends of the first transmission rods are correspondingly connected with the middle parts of the first support rods respectively; one end of each first supporting rod is provided with a first through hole, and the first lever supporting shaft penetrates through all the first through holes;
the top of the first stress rod is fixed with the inside of the top surface of the deceleration strip shell; one end of the first lever supporting shaft is fixed to one side face of the deceleration strip shell, and the other end of the first lever supporting shaft is fixed to the other side face of the deceleration strip shell; the other end of each first supporting rod is connected with the shifting piece through a one-way hinge.
Optionally, the lever force-bearing structure includes: 1 or more second lever force receiving components;
the second lever force receiving assembly comprises: the second force bearing rod, the second transmission rods, the second lever supporting shaft and the second support rods are arranged on the first lever supporting shaft;
one ends of the second transmission rods are connected with the second stress rods, and the other ends of the second transmission rods are respectively connected with one ends of the second support rods in a one-to-one correspondence manner; a second through hole is formed in the middle of each second supporting rod, and the second lever supporting shaft penetrates through all the second through holes;
the top of the second stress rod is fixed with the inside of the top surface of the deceleration strip shell; one end of the second lever supporting shaft is fixed to one side face of the deceleration strip shell, and the other end of the second lever supporting shaft is fixed to the other side face of the deceleration strip shell; the other end of each second supporting rod is connected with the poking piece through a one-way hinge.
Optionally, a first metal side baffle and a second metal side baffle are respectively mounted on two side surfaces of the deceleration strip housing.
Optionally, the drum includes: a driving roller and a roller shaft;
the transmission roller is sleeved on the roller shaft; the transmission roller is used for driving the roller shaft to rotate together when the transmission roller rotates;
a plurality of roller blades are uniformly arranged on the transmission roller along the circumferential direction of the transmission roller; one end of the roller shaft is connected with an input shaft of the speed reducer, and the other end of the roller shaft is in rolling connection with one side face of the speed reducer casing.
Optionally, the deceleration strip further includes: a drum shaft positioning bearing;
a roller positioning hole is formed in one side face of the speed bump shell, and the roller shaft positioning bearing is embedded in the roller positioning hole; the other end of the roller shaft is connected with the roller shaft positioning bearing.
Optionally, the deceleration strip further includes: a first coupling;
the other end of the roller is connected with an input shaft of the speed reducer through the first coupler.
Optionally, the deceleration strip further includes: a second coupling;
and the output shaft of the speed reducer is connected with the input shaft of the generator through the second coupling.
Optionally, the deceleration strip further includes: a base;
the speed reducer and the generator are both fixed on the base.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
when a vehicle passes through the speed bump, the top surface of the shell of the speed bump deforms under the stress, the lever stress structure is pressed down under the stress and stirs the blades of the roller through the poking piece, so that the roller rotates, the roller drives the output shaft of the speed reducer to rotate at a high speed, and the input shaft of the generator is driven to rotate at a high speed to generate electricity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is an internal structure view of a power generation deceleration strip provided by the invention;
FIG. 2 is a schematic diagram of a mechanical transmission structure of a power generation deceleration strip provided by the invention;
FIG. 3 is a structural diagram of a speed bump housing of a power generation speed bump provided by the invention;
description of the symbols: 1-a speed bump shell, 2-a first metal side baffle, 3-a second metal side baffle, 4-a roller shaft positioning bearing, 5-1-a first stress rod, 5-2-a second stress rod, 6-1-a first transmission rod, 6-2-a second transmission rod, 7-1-a first support rod, 7-2-a second support rod, 8-1-a first lever support shaft, 8-2-a second lever support shaft, 9-1-a first coupler, 9-2-a second coupler, 10-a reducer, 11-a generator, 12-a roller shaft, 13-a transmission roller, 14-a roller blade, 15-a poking piece, 16-a one-way hinge and 17-a base.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a power generation deceleration strip, which improves the energy conversion efficiency and further improves the power generation capacity.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is an internal structure view of a power generation deceleration strip provided by the invention. As shown in fig. 1, a power generation deceleration strip comprises: the speed bump comprises a speed bump shell 1, a lever stress structure, a shifting piece 15, a roller, a speed reducer 10 and a generator 11.
A plurality of drum blades 14 are uniformly provided on the drum in the circumferential direction of the drum.
One end of the roller is connected with one side surface of the speed bump shell 1 in a rolling mode, and the other end of the roller is connected with an input shaft of the speed reducer 10. The output shaft of the reducer 10 is connected to the input shaft of the generator 11.
The top of the lever force bearing structure is fixed inside the top surface of the speed bump shell 1. The bottom of the lever force-bearing structure is connected with the shifting piece 15 through a one-way hinge 16. The lever stress structure is used for driving the poking piece 15 to poke the roller blade 14 outside the roller to rotate the roller when the top surface of the speed bump shell 1 is deformed under stress.
The one-way hinge 16 is used to allow the roller blade 14 to rotate in one direction, and prevent the roller blade 14 from rotating in the opposite direction, so as to ensure the one-way normal operation of the generator 11 to generate electricity.
Fig. 2 is a schematic diagram of a mechanical transmission structure of a power generation deceleration strip provided by the invention. As shown in fig. 2, the mechanical transmission structure includes a lever force-receiving structure, a shifting piece 15 and a roller, wherein the lever force-receiving structure includes 1 or more first lever force-receiving components. The first lever force receiving assembly comprises: the first force bearing rod 5-1, the first transmission rods 6-1, the first lever supporting shaft 8-1 and the first supporting rods 7-1.
One ends of the first transmission rods 6-1 are connected with the first stress rods 5-1, and the other ends of the first transmission rods 6-1 are correspondingly connected with the middle parts of the first support rods 7-1 respectively. One end of each first supporting rod 7-1 is provided with a first through hole, and the first lever supporting shaft 8-1 penetrates through all the first through holes.
The top of the first stress rod 5-1 is fixed with the inside of the top surface of the speed bump shell 1. One end of the first lever supporting shaft 8-1 is fixed to one side face of the speed bump shell 1, and the other end of the first lever supporting shaft 8-1 is fixed to the other side face of the speed bump shell 1. The other end of each first supporting rod 7-1 is connected with the shifting piece 15 through a one-way hinge 16.
1 or more first lever atress subassembly all sets up in the same side of cylinder barrel.
As shown in fig. 2, the lever force receiving structure may further include 1 or more second lever force receiving members. The second lever force receiving assembly comprises: a second force-bearing rod 5-2, a plurality of second transmission rods 6-2, a second lever support shaft 8-2 and a plurality of second support rods 7-2.
One ends of the second transmission rods 6-2 are connected with the second stress rods 5-2, and the other ends of the second transmission rods 6-2 are correspondingly connected with one ends of the second support rods 7-2. A second through hole is formed in the middle of each second supporting rod 7-2, and the second lever supporting shaft 8-2 penetrates through all the second through holes.
The top of the second stress rod 5-2 is fixed with the inside of the top surface of the speed bump shell 1. One end of the second lever support shaft 8-2 is fixed to one side face of the speed bump shell 1, and the other end of the second lever support shaft 8-2 is fixed to the other side face of the speed bump shell 1. The other end of each second support bar 7-2 is connected with a plectrum 15 through a one-way hinge 16.
And 1 or more second lever stress components are arranged on the same side of the roller barrel.
When the lever stress structure simultaneously comprises the first lever stress component and the second lever stress component, 1 or more first lever stress components are arranged on one side of the roller cylinder body, and 1 or more second lever stress components are arranged on the other side of the roller cylinder body, as shown in fig. 2.
Fig. 3 is a structural diagram of a speed bump casing 1 of a power generation speed bump provided by the invention. As shown in fig. 3, the speed bump housing 1 is preferably a rubber trapezoidal speed bump housing. A first metal side baffle 2 and a second metal side baffle 3 are respectively installed on two side faces of the rubber trapezoid deceleration strip shell.
The drum includes: a driving roller 13 and a roller shaft 12; the transmission roller 13 is sleeved on the roller shaft 12; the transmission roller 13 is used for driving the roller shaft 12 to rotate together when the transmission roller 13 rotates; a plurality of roller blades 14 are uniformly arranged on the transmission roller 13 along the circumferential direction of the transmission roller 13; one end of the roller shaft 12 is connected with an input shaft of the speed reducer 10, and the other end of the roller shaft 12 is in rolling connection with one side face of the speed reducer casing 1.
The deceleration strip still includes: the drum shaft positions the bearing 4. A roller positioning hole is formed in one side face of the speed bump shell 1, and the roller shaft positioning bearing 4 is embedded in the roller positioning hole. The roller shaft positioning bearing 4 is connected with one end of the roller.
The deceleration strip still includes: a first coupling 9-1. The other end of the roller is connected with an input shaft of a speed reducer 10 through a first coupling 9-1.
The deceleration strip still includes: a second coupling 9-2. The output shaft of the speed reducer 10 is connected with the input shaft of the generator 11 through the second coupling 9-2.
The deceleration strip still includes: a base 17. The reducer 10 and the generator 11 are both fixed on the base 17.
The mechanical transmission structure of the invention adopts the structure shown in fig. 3 as a specific embodiment to describe the power generation principle of the power generation deceleration strip of the invention, and the power generation principle is as follows:
when a vehicle passes through the speed bump, wheels are pressed on the top surface of the speed bump shell 1, the top surface of the speed bump shell 1 deforms downwards, and the first stress rod 5-1 and the second stress rod 5-2 are driven to move downwards in sequence. The first force bearing rod 5-1 drives the poking piece 15 to poke the roller blade 14 downwards through the transmission of the first transmission rod 6-1 and the second transmission rod 6-2. The second stress rod 5-2 drives the poking piece 15 to poke the roller blade 14 upwards through the transmission of the third transmission rod 6-3 and the fourth transmission rod 6-4 according to the lever principle. The drum blade 14 and the driving drum 13 rotate counterclockwise. The drum rotates continuously at a low speed to drive the output shaft of the speed reducer 10 to rotate at a high speed, so as to drive the input shaft of the generator 11 to rotate at a high speed for generating power.
After the wheel passes through the speed bump, the speed bump shell 1 is restored to the original state, and the first stress rod 5-1 and the second stress rod 5-2 are also restored. Since the pick 15 is connected to the support bar by the one-way hinge 16, the drum is prevented from rotating clockwise but not counterclockwise.
The invention belongs to mechanical transmission power generation, has higher energy conversion efficiency than piezoelectric ceramics and dielectric elastomer materials, can effectively recover energy and has higher practical value. In practical application, the size of the generator and the reducer can be reduced, the number of lever stress assemblies in the lever stress structure and the number of connecting structures of transmission rods, supporting rods and shifting pieces in the lever stress assemblies are increased, and elastic deformation energy can be collected more effectively.
The power generation acceleration belt provided by the invention is suitable for bidirectional running of vehicles, and can enable the roller to continuously rotate along the same direction during bilateral running.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (7)
1. A power generation speed bump, characterized in that, the speed bump includes: the deceleration strip comprises a deceleration strip shell, a lever stress structure, a shifting piece, a roller, a speed reducer and a generator;
a plurality of roller blades are uniformly arranged on the roller along the circumferential direction of the roller;
one end of the roller is in rolling connection with one side face of the deceleration strip shell, and the other end of the roller is connected with an input shaft of the speed reducer; the output shaft of the speed reducer is connected with the input shaft of the generator;
the top of the lever stressed structure is fixed inside the top surface of the deceleration strip shell; the bottom of the lever stress structure is connected with the shifting piece through a one-way hinge; the lever stress structure is used for driving the poking piece to poke the roller blade outside the roller according to the lever principle when the top surface of the deceleration strip shell is stressed and deformed, so that the roller continuously rotates along the same direction;
the lever stress structure comprises 1 or more first lever stress components, and the 1 or more first lever stress components are arranged on the same side of the roller barrel; the first lever force receiving assembly comprises: the first lever support shaft is connected with the first force bearing rod through a first connecting rod;
one ends of the first transmission rods are connected with the first stress rods, and the other ends of the first transmission rods are correspondingly connected with the middle parts of the first support rods respectively; one end of each first supporting rod is provided with a first through hole, and the first lever supporting shaft penetrates through all the first through holes;
the top of the first stress rod is fixed with the inside of the top surface of the deceleration strip shell; one end of the first lever supporting shaft is fixed to one side face of the deceleration strip shell, and the other end of the first lever supporting shaft is fixed to the other side face of the deceleration strip shell; the other end of each first supporting rod is connected with the poking piece through a one-way hinge;
the lever stress structure comprises 1 or more second lever stress components, and the 1 or more second lever stress components are arranged on the same side of the roller barrel; the second lever force receiving assembly comprises: the second force bearing rod, the second transmission rods, the second lever supporting shaft and the second support rods are arranged on the first lever supporting shaft;
one ends of the second transmission rods are connected with the second stress rods, and the other ends of the second transmission rods are respectively connected with one ends of the second support rods in a one-to-one correspondence manner; a second through hole is formed in the middle of each second supporting rod, and the second lever supporting shaft penetrates through all the second through holes;
the top of the second stress rod is fixed with the inside of the top surface of the deceleration strip shell; one end of the second lever supporting shaft is fixed to one side face of the deceleration strip shell, and the other end of the second lever supporting shaft is fixed to the other side face of the deceleration strip shell; the other end of each second supporting rod is connected with the poking piece through a one-way hinge;
when the lever stress structure simultaneously comprises the first lever stress component and the second lever stress component, 1 or more first lever stress components are arranged on one side of the roller barrel, and 1 or more second lever stress components are arranged on the other side of the roller barrel.
2. The power generation deceleration strip according to claim 1, wherein a first metal side baffle and a second metal side baffle are respectively mounted on two side surfaces of the deceleration strip housing.
3. The power generation deceleration strip according to claim 1, wherein the drum comprises: a driving roller and a roller shaft;
the transmission roller is sleeved on the roller shaft; the transmission roller is used for driving the roller shaft to rotate together when the transmission roller rotates;
a plurality of roller blades are uniformly arranged on the transmission roller along the circumferential direction of the transmission roller; one end of the roller shaft is connected with an input shaft of the speed reducer, and the other end of the roller shaft is in rolling connection with one side face of the speed reducer casing.
4. The power generation deceleration strip according to claim 3, further comprising: a drum shaft positioning bearing;
a roller positioning hole is formed in one side face of the speed bump shell, and the roller shaft positioning bearing is embedded in the roller positioning hole; the other end of the roller shaft is connected with the roller shaft positioning bearing.
5. The power generation deceleration strip according to claim 1, further comprising: a first coupling;
the other end of the roller is connected with an input shaft of the speed reducer through the first coupler.
6. The power generation deceleration strip according to claim 1, further comprising: a second coupling;
and the output shaft of the speed reducer is connected with the input shaft of the generator through the second coupling.
7. The power generation deceleration strip according to claim 1, further comprising: a base;
the speed reducer and the generator are both fixed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010263484.4A CN111412123B (en) | 2020-04-07 | 2020-04-07 | Power generation deceleration strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010263484.4A CN111412123B (en) | 2020-04-07 | 2020-04-07 | Power generation deceleration strip |
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| Publication Number | Publication Date |
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| CN111412123A CN111412123A (en) | 2020-07-14 |
| CN111412123B true CN111412123B (en) | 2021-09-03 |
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| CN202010263484.4A Active CN111412123B (en) | 2020-04-07 | 2020-04-07 | Power generation deceleration strip |
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Citations (7)
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| KR20130025605A (en) * | 2011-09-02 | 2013-03-12 | (주) 센불 | Speed bump of using vibration type piezoelectric module |
| CN203717825U (en) * | 2014-01-28 | 2014-07-16 | 重庆市双恩农机制造有限公司 | Unidirectionally rotary feeding device for machining part of small general gasoline engine |
| CN204023445U (en) * | 2014-07-15 | 2014-12-17 | 东莞理工学院 | Deceleration strip for power generation assembly |
| CN106678004A (en) * | 2017-02-22 | 2017-05-17 | 重庆永重重工有限公司 | Gravitational potential energy converting device |
| CN108915961A (en) * | 2018-06-29 | 2018-11-30 | 芜湖等莱智能科技有限公司 | It is a kind of to rely on human bady gravitational override type power generator |
| CN109162881A (en) * | 2018-09-11 | 2019-01-08 | 安徽建筑大学 | A kind of pavement deceleration strip generating device based on cutting magnetic induction line power generation |
| CN110768461A (en) * | 2019-05-29 | 2020-02-07 | 厦门链信科技有限公司 | Wheel rolling energy recovery device |
-
2020
- 2020-04-07 CN CN202010263484.4A patent/CN111412123B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130025605A (en) * | 2011-09-02 | 2013-03-12 | (주) 센불 | Speed bump of using vibration type piezoelectric module |
| CN203717825U (en) * | 2014-01-28 | 2014-07-16 | 重庆市双恩农机制造有限公司 | Unidirectionally rotary feeding device for machining part of small general gasoline engine |
| CN204023445U (en) * | 2014-07-15 | 2014-12-17 | 东莞理工学院 | Deceleration strip for power generation assembly |
| CN106678004A (en) * | 2017-02-22 | 2017-05-17 | 重庆永重重工有限公司 | Gravitational potential energy converting device |
| CN108915961A (en) * | 2018-06-29 | 2018-11-30 | 芜湖等莱智能科技有限公司 | It is a kind of to rely on human bady gravitational override type power generator |
| CN109162881A (en) * | 2018-09-11 | 2019-01-08 | 安徽建筑大学 | A kind of pavement deceleration strip generating device based on cutting magnetic induction line power generation |
| CN110768461A (en) * | 2019-05-29 | 2020-02-07 | 厦门链信科技有限公司 | Wheel rolling energy recovery device |
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| CN111412123A (en) | 2020-07-14 |
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