CN107754322B - Sand blasting and sliding-down device for small rail train - Google Patents
Sand blasting and sliding-down device for small rail train Download PDFInfo
- Publication number
- CN107754322B CN107754322B CN201711253161.1A CN201711253161A CN107754322B CN 107754322 B CN107754322 B CN 107754322B CN 201711253161 A CN201711253161 A CN 201711253161A CN 107754322 B CN107754322 B CN 107754322B
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- Prior art keywords
- sand
- scattering
- rail
- pipe
- valve
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- 238000005488 sandblasting Methods 0.000 title claims abstract description 12
- 239000004576 sand Substances 0.000 claims abstract description 107
- 244000035744 Hura crepitans Species 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims description 5
- 241001417527 Pempheridae Species 0.000 claims description 4
- 230000003137 locomotive effect Effects 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63G—MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS; SIMILAR DEVICES FOR PUBLIC AMUSEMENT
- A63G31/00—Amusement arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
- B61C15/08—Preventing wheel slippage
- B61C15/10—Preventing wheel slippage by depositing sand or like friction increasing materials
- B61C15/102—Preventing wheel slippage by depositing sand or like friction increasing materials with sanding equipment of mechanical or fluid type, e.g. by means of steam
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Toys (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a sand blasting and sliding device for a small rail train, which comprises a sand scattering mechanism fixed on a small rail head and positioned above the rail, and is characterized in that the sand scattering mechanism comprises two sand boxes positioned above the rail, the bottoms of the two sand boxes are respectively provided with a sand scattering valve, and the two sand scattering valves are controlled by a handle positioned in a cab through a connecting rod mechanism; a sand pipe with an opening smaller than the width of the rail is arranged below the sand scattering valve; the tail end of the sand pipe is provided with a sand homogenizing structure. Through the design of the sand scattering valve and the sand homogenizing structure, the output fine sand is effectively and uniformly scattered, and the blockage is prevented, so that the small train vibration caused by the concentrated outflow and accumulation of the fine sand on one point of a track is avoided; the driver operates in the cab, and the sanding amount can be adjusted according to the actual slip degree; the safety running of the small train in rainy and snowy days is realized; meanwhile, the surface of the rail on daily trip in dry weather is guaranteed to be clean.
Description
Technical Field
The invention relates to amusement park equipment technology, in particular to a sand blasting and sliding-down device for a small rail train.
Background
The design of the train in the disclosed technology for increasing friction force and preventing slipping basically takes wheels as research objects, such as a patent publication number CN204055147U, and an anti-slip train wheel mainly comprises train wheels, an air valve device, an air inlet pipe, an air cylinder and an air cylinder extension rod which are arranged from inside to outside, wherein a circle of grooves are formed in the train wheel surface, and brake hubs and brake pads are arranged in the grooves. A circle of grooves are formed in the periphery of the train wheel, three to four brake hubs are movably arranged in the grooves, and a layer of wear-resistant rubber brake pad is arranged on the surface of each brake hub. The brake hub and the wear-resistant rubber brake pad are controlled to stretch by an air cylinder, and the air cylinder is arranged in the train wheel. For another example, the anti-skid train wheel designed by the patent publication No. CN103287454A is mainly composed of a train wheel, an air inlet pipe, a cylinder tension spring and an abrasion-resistant rubber wiping head which are arranged in the train wheel from inside to outside. The train wheel is provided with a plurality of cylinders and wear-resistant rubber wiping heads from inside to outside, wherein the cylinder tension springs and the wear-resistant rubber wiping heads are arranged in the cylinders. When the train encounters emergency braking and opens the air brake, the air pressure brakes the train wheel, and simultaneously the abrasion-resistant rubber wiping head arranged in the cylinder in the train wheel is pushed out through the air inlet pipe to generate friction force with the steel rail. For small trains used in entertainment places, the vehicle body weight is light due to the fact that the vehicle speed is low, and the existing technologies are not suitable for application due to complex structures and high cost. However, due to the self-mass, steering system and other structural reasons, friction force between wheels and rails is suddenly reduced during running, especially in rainy and snowy days, wet turning positions and the like, so that a car body is slipped, and potential safety hazards exist.
Disclosure of Invention
The invention aims to solve the problem that a small train in a recreational place slips in a rainy and snowy day and a wet turning road section, and provides a sand blasting and sliding reducing device for the small train.
The technical problems of the invention are mainly solved by the following technical proposal: the sand blasting and sliding-down device for the small rail train comprises a sand spraying mechanism which is fixed on the small rail head and is positioned above the rail, and is characterized in that the sand spraying mechanism comprises two sand boxes which are positioned above the rail, the bottoms of the two sand boxes are respectively provided with a sand scattering valve, and the two sand scattering valves are controlled by a handle positioned in a cab through a connecting rod mechanism; a sand pipe with an opening smaller than the width of the rail is arranged below the sand scattering valve; the tail end of the sand pipe is provided with a sand homogenizing structure.
Preferably, the sand scattering valve consists of a valve body fixed at the bottom of the sand box and a valve connected to a connecting rod mechanism; the valve body is divided into an upper connecting channel and a lower connecting channel, wherein the upper valve channel is provided with a conical through hole; the aperture of the lower valve passage is larger than the aperture of the outlet of the upper valve passage. The valve is provided with a regulating and controlling port matched with the outlet of the upper valve channel, and the sand outlet quantity is controlled through the regulating and controlling port.
Preferably, the sand homogenizing structure arranged at the tail end of the sand pipe comprises a conical sand dispersing cap which is positioned at the bottom end of the sand pipe and is recessed inwards, and a movable roller is arranged above the conical sand dispersing cap.
Preferably, the conical sand scattering cap is fully distributed with sand outlet holes; the diameter of the cone bottom of the cone-shaped sand scattering cap is smaller than the diameter of the sand pipe.
Preferably, two ends of the movable roller are connected to the wall of the sand pipe through roller shafts.
Preferably, the movable roller is of a herringbone roller structure.
Preferably, the movable roller is provided with elastic free combat sheets in various arrangement directions.
Preferably, the bottom of the sand pipe is provided with a sand outlet hole at a part larger than the diameter of the conical bottom of the conical sand scattering cap. The sand outlet holes are strip holes formed by grids. The grille is of a cylindrical structure.
Preferably, a rail sweeper is arranged at the tail of the small train. After drying or using, the rail is cleaned, so that hard nodules are prevented from being formed on the surface of the rail due to long-time accumulation of fine sand.
Preferably, the sand pipe is provided with a length, angle and direction adjusting mechanism.
According to the technical scheme, aiming at the structural characteristics of a small train for a recreational place, a double sand box is arranged on a small train body, sand blasting is carried out on the surfaces of two parallel tracks simultaneously, and a driver directly operates the small train in a cab. And the sand scattering valve with the sand distribution quantity is used for uniformly scattering the output fine sand by the sand-homogenizing structure with the loosening and scattering functions, so that small train vibration caused by concentrated outflow and accumulation on a certain point line of a track is avoided.
This scheme sand homogenizing structure sets up the tail end at the sand pipe, and inside has the design of two kinds of sand homogenizing parts: under the weight of leaked sand and the self-vibration action in the running process of the train body, the movable roller makes autorotation action to blow the leaked crushed sand to all directions, so that the sand output from the sand pipe is ensured to be uniformly scattered on the surface of the track.
The beneficial effects of the invention are as follows: through the design of the sand scattering valve and the sand homogenizing structure, the output fine sand is effectively and uniformly scattered, and the blockage is prevented, so that the small train vibration caused by the concentrated outflow and accumulation of the fine sand on one point of a track is avoided; the driver operates in the cab, and the sanding amount can be adjusted according to the actual slip degree; the safety running of the small train in rainy and snowy days is realized; meanwhile, the surface of the rail on daily trip in dry weather is guaranteed to be clean.
Drawings
Fig. 1 is a schematic view of a small locomotive used in the present invention.
Fig. 2 is a schematic diagram of a sanding mechanism system in accordance with the present invention.
Fig. 3 is a right view of fig. 2.
Fig. 4 is a schematic view of a valve body structure according to the present invention.
Fig. 5 is a schematic view of an end structure of a sand tube according to the present invention.
In the figure: 1. small locomotive, 2, sanding mechanism, 21, sand box, 22, rotary shaft, 23, handle, 24, sand pipe, 241, pipe body, 242, conical sand scattering cap, 243, movable roller, 244, roller shaft, 245, free-combat sheet, 25, valve body, 251, upper valve channel, 252, lower valve channel, 26, valve, 27, connecting rod, 28, rotary arm.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
The sand blasting and sliding device for the small rail train in the embodiment comprises a sand spraying mechanism 2 which is fixed on a small locomotive 1 and is positioned above a rail as shown in fig. 1.
The sanding mechanism 2 comprises two sand boxes 21 positioned above the rails, sand scattering valves are arranged at the bottoms of the two sand boxes 21, and the two sand scattering valves are uniformly controlled by a handle 23 positioned in the cab through a connecting rod mechanism. A sand pipe 24 with an opening smaller than the width of the rail is arranged below the sand scattering valve, and a sand homogenizing structure is arranged at the tail end of the sand pipe 24. In order to ensure the dryness of the fine sand, a heating dehumidifier is arranged in the sand box.
The sand scattering valve is constituted by a valve body 25 fixed to the bottom of the flask 21 and a valve 26 connected to a link mechanism, as will be described in detail below. One end of the valve 26 arranged on the two sand boxes 21 is respectively connected with an independent rotating arm 28 through a connecting rod 27, as shown in fig. 2 and 3, one end of the two rotating arms 28 is commonly connected to the rotating shaft 22, the handle 23 is arranged on the rotating shaft 22, and the handle 23 is positioned in the cab.
The valve body 25 is divided into upper and lower connecting passages, wherein the upper valve passage 251 has a tapered through hole, and as shown in fig. 4, the aperture of the lower valve passage 252 is larger than the aperture of the outlet of the upper valve passage 251. The working surface of the valve 26 is provided with a regulating opening matched with the outlet of the upper valve channel 251, and the sand discharge amount is controlled by the outlet area between the regulating opening and the outlet of the upper valve channel 251.
The outlet of the lower valve passage 252 is connected with a sand pipe 24, and the sand pipe 24 is provided with a length, an angle and an orientation adjusting mechanism. The tail end of the sand pipe 24 is provided with a sand homogenizing structure, the sand homogenizing structure comprises a conical sand dispersing cap 242 which is positioned at the bottom end of the sand pipe and is recessed inwards, as shown in fig. 5, the cone angle of the conical sand dispersing cap 242 is 150 degrees, and round sand outlet holes are distributed on the conical sand dispersing cap 242; the conical bottom diameter of the conical sand scattering cap 242 is one half the diameter of the sand pipe 24. The part of the bottom of the sand pipe 24 larger than the diameter of the conical bottom of the conical sand scattering cap 242 is provided with long sand outlet holes which are formed by uniformly arranging cylindrical grids along the bottom surface of the sand pipe 24.
A movable roller 243 is provided above the conical sand scattering cap 242. The two ends of the movable roller 243 are fixedly connected to the wall of the sand pipe 24 through a roller shaft 244.
And a rail sweeper is arranged at the tail part of the last carriage of the small train. The rail sweeper is provided with a turning-up device. Can be folded when not in use and put down when in use.
The surface of the movable roller 243 is provided with elastic free combat sheets 245 arranged in various directions. The elastic free combat sheet 245 is an elastic sheet structure. The plurality of alignment directions are aligned in any inclination along the surface of the movable roller 243. To obtain an irregular, nondeterministic sanding effect.
First embodiment of the movable roller 243: the movable roller 243 has a cylindrical roller structure.
The movable roller 243 of the second embodiment: the movable roller 243 has a herringbone structure. I.e. by the intersection of two cylindrical drums. The angle formed by the intersection of the two cylindrical rollers is more than or equal to 120 degrees. When the structure is used, the movable roller 243 mainly uses the roller shaft 244 as the axle center to make the shaking motion, and the rotation motion only occurs when the sand output is extremely large.
The foregoing embodiments are illustrative of the present invention and are not intended to be limiting, and any simple modified structure, process, method, etc. of the present invention are within the scope of the present invention.
Claims (5)
1. The sand blasting and sliding-down device for the small rail train comprises a sand spraying mechanism (2) which is fixed on a small locomotive (1) and is positioned above a rail, and is characterized in that the sand spraying mechanism comprises two sand boxes (21) which are positioned above the rail, sand scattering valves are arranged at the bottoms of the two sand boxes, and the two sand scattering valves are controlled by a handle (23) positioned in a cab through a connecting rod mechanism; a sand pipe (24) with an opening smaller than the width of the track is arranged below the sand scattering valve; the tail end of the sand pipe is provided with a sand homogenizing structure;
the sand homogenizing structure arranged at the tail end of the sand pipe (24) comprises a conical sand dispersing cap (242) which is arranged at the bottom end of the sand pipe and is recessed inwards, a movable roller (243) is arranged above the conical sand dispersing cap, and the movable roller is of a herringbone roller structure; the conical sand scattering cap is fully distributed with sand outlet holes; the diameter of the cone bottom of the cone-shaped sand scattering cap is smaller than the diameter of the sand pipe (24); the movable roller is provided with elastic free combat sheets (245) in various arrangement directions;
the tail of the small train is provided with a rail sweeper.
2. The small rail train sand blasting and sliding reducing device according to claim 1, wherein the sand scattering valve consists of a valve body (25) fixed at the bottom of the sand box (21) and a valve (26) connected to a connecting rod mechanism; the valve body is divided into an upper connecting channel and a lower connecting channel, wherein the upper valve channel (251) is provided with a conical through hole; the aperture of the lower valve passage (252) is larger than the aperture of the upper valve passage outlet.
3. The small rail train sandblasting and sliding reducing device according to claim 1, characterized in that both ends of the movable roller (243) are connected to the wall of the sand pipe (24) through a roller shaft (244).
4. The small rail train sand blasting and sliding reducing device according to claim 1, wherein the bottom of the sand pipe (24) is provided with a sand outlet hole at a part larger than the diameter of the conical bottom of the conical sand scattering cap.
5. The small rail train sandblast sliding down device according to claim 1 or 2, characterized in that the sand pipe (24) has length, angle, direction adjusting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711253161.1A CN107754322B (en) | 2017-12-02 | 2017-12-02 | Sand blasting and sliding-down device for small rail train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711253161.1A CN107754322B (en) | 2017-12-02 | 2017-12-02 | Sand blasting and sliding-down device for small rail train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107754322A CN107754322A (en) | 2018-03-06 |
| CN107754322B true CN107754322B (en) | 2024-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711253161.1A Active CN107754322B (en) | 2017-12-02 | 2017-12-02 | Sand blasting and sliding-down device for small rail train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107754322B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111619592A (en) * | 2020-04-16 | 2020-09-04 | 淮南师范学院 | Locomotive sanding track alignment control device |
| CN113859275B (en) * | 2021-10-26 | 2022-09-09 | 中车大连电力牵引研发中心有限公司 | Sand spreading control method for railway vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008064747A1 (en) * | 2006-11-29 | 2008-06-05 | Faiveley Transport | Broadcasting device for a vehicle, particularly a rail vehicle |
| CN102774387A (en) * | 2012-08-20 | 2012-11-14 | 沈阳新阳光机电科技有限公司 | Electric sanding device for track vehicle |
| CN103569139A (en) * | 2013-11-19 | 2014-02-12 | 青岛四方车辆研究所有限公司 | Sanding device for railway vehicles |
| CN204548105U (en) * | 2014-12-31 | 2015-08-12 | 徐州凯思特机电科技有限公司 | The automobile-used sand spraying apparatus of mining rail travel |
| CN106347379A (en) * | 2016-10-28 | 2017-01-25 | 安徽省煤炭科学研究院 | Sand-scattering device for overhead type mining electric locomotive |
| CN207605363U (en) * | 2017-12-02 | 2018-07-13 | 杭州俊士铁路设备有限公司 | The sliding device of small rail train sandblasting drop |
-
2017
- 2017-12-02 CN CN201711253161.1A patent/CN107754322B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008064747A1 (en) * | 2006-11-29 | 2008-06-05 | Faiveley Transport | Broadcasting device for a vehicle, particularly a rail vehicle |
| CN102774387A (en) * | 2012-08-20 | 2012-11-14 | 沈阳新阳光机电科技有限公司 | Electric sanding device for track vehicle |
| CN103569139A (en) * | 2013-11-19 | 2014-02-12 | 青岛四方车辆研究所有限公司 | Sanding device for railway vehicles |
| CN204548105U (en) * | 2014-12-31 | 2015-08-12 | 徐州凯思特机电科技有限公司 | The automobile-used sand spraying apparatus of mining rail travel |
| CN106347379A (en) * | 2016-10-28 | 2017-01-25 | 安徽省煤炭科学研究院 | Sand-scattering device for overhead type mining electric locomotive |
| CN207605363U (en) * | 2017-12-02 | 2018-07-13 | 杭州俊士铁路设备有限公司 | The sliding device of small rail train sandblasting drop |
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| Publication number | Publication date |
|---|---|
| CN107754322A (en) | 2018-03-06 |
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