CN111686452A - Adjustable magnetic force uniform speed slide - Google Patents
Adjustable magnetic force uniform speed slide Download PDFInfo
- Publication number
- CN111686452A CN111686452A CN202010675634.2A CN202010675634A CN111686452A CN 111686452 A CN111686452 A CN 111686452A CN 202010675634 A CN202010675634 A CN 202010675634A CN 111686452 A CN111686452 A CN 111686452A
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- Prior art keywords
- lower sliding
- magnetic force
- slide
- plate
- speed
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Links
- 239000004020 conductor Substances 0.000 claims abstract description 44
- 230000000694 effects Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 7
- 238000000034 method Methods 0.000 description 10
- 238000013459 approach Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 208000028990 Skin injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63G—MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS; SIMILAR DEVICES FOR PUBLIC AMUSEMENT
- A63G21/00—Chutes; Helter-skelters
- A63G21/04—Chutes; Helter-skelters with fixed rails
Landscapes
- Toys (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
The invention discloses an adjustable magnetic force uniform slide, relates to the field of slides, and provides an adjustable magnetic force uniform slide capable of controlling the gliding speed. An adjustable magnetic force uniform speed slide comprises a guiding device, a gliding device and a speed control device; the guiding device is obliquely arranged, the lower sliding device is matched with the guiding device and comprises a lower sliding device main body and an adjusting structure, and the lower sliding device main body is provided with a riding space; the speed control device comprises a conductor bar, a fixed magnet and a movable magnet, the conductor bar and the guide device are arranged in the same direction and are positioned below the lower sliding device, the fixed magnet is connected to the bottom of the lower sliding device main body, the fixed magnet corresponds to the conductor bar in position, and the movable magnet is connected with the adjusting structure; the adjusting structure can adjust the position of the movable magnet to be close to or far away from the conductor strip. The invention realizes uniform gliding by utilizing the principle of Lenz law of coming rejection.
Description
Technical Field
The invention relates to the field of slides, in particular to an adjustable magnetic uniform-speed slide.
Background
The slide is a common recreation facility, and the simplest slide is mainly a slope, and people directly sit on the slope to slide down. The slide slope is directly rubbed with people, so that clothes and trousers are easily abraded, and skin is easily injured; in addition to the means of no slip speed control, the slide slips too long and too fast, which can cause danger, and also easily causes wear of clothes and trousers and skin injury. The slide can therefore only be designed very short.
The slide also comprises a cushion, the cushion is placed on the slope, and people sit on the cushion to slide up and down, so that clothes and trousers are prevented from being worn and skin is prevented from being injured. But the length of the slide is not too long, otherwise the slide also slides at a too high speed; and when the mat glides, often can rotate, both influence the player experience, also can bring some danger.
To control the speed of the downslide of longer slides, some slides have multiple acceleration sections with steep slopes and deceleration sections with very shallow slopes to accelerate and decelerate the cycle and thereby control the speed. However, the mat on the slide is easier to rotate, so the mat is not suitable to be arranged; the clothes and trousers are easy to wear and the skin is easy to be injured without arranging the cushion; and the continuous acceleration and deceleration also influences the experience of the game player.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides an adjustable magnetic force uniform slide capable of controlling the gliding speed.
The technical scheme adopted for solving the problems is as follows: an adjustable magnetic force uniform speed slide comprises a guiding device, a gliding device and a speed control device; the guiding device is obliquely arranged, the lower sliding device is matched with the guiding device and comprises a lower sliding device main body and an adjusting structure, and the lower sliding device main body is provided with a riding space; the speed control device comprises a conductor bar, a fixed magnet and a movable magnet, the conductor bar and the guide device are arranged in the same direction and are positioned below the lower sliding device, the fixed magnet is connected to the bottom of the lower sliding device main body, the fixed magnet corresponds to the conductor bar in position, and the movable magnet is connected with the adjusting structure; the adjusting structure can adjust the position of the movable magnet to be close to or far away from the conductor strip.
Further, the method comprises the following steps: the adjusting structure comprises an adjusting plate, a connecting plate and a fastener, the adjusting plate is located behind the lower sliding device body, the adjusting plate is hinged to the lower end of the lower sliding device body, the connecting plate is located beside the adjusting plate and connected with the lower sliding device body, an arc-shaped groove is formed in the connecting plate, the fastener penetrates through the arc-shaped groove and is connected with the adjusting plate, the movable magnet is connected with the adjusting plate, and the adjusting plate rotates to enable the movable magnet to be close to or far away from the conductor.
Further, the method comprises the following steps: the conductor strip is a copper strip.
Further, the method comprises the following steps: the gliding device main part includes bottom plate, preceding backup pad, backing plate and two side shields, and preceding backup pad is connected in bottom plate the place ahead, and the backing plate is connected at the bottom plate rear, and two side shields are connected respectively in the bottom plate both sides, and the space that bottom plate, preceding backup pad, backing plate and two side shields enclose is for taking the space.
Further, the method comprises the following steps: the guide device comprises two U-shaped guide rails arranged at intervals, the openings of the two U-shaped guide rails are opposite, the lower sliding device body comprises two groups of rollers, and one group of rollers is positioned in one U-shaped guide rail.
Further, the method comprises the following steps: the guiding device comprises two guiding rods arranged at intervals, the lower sliding device body comprises two groups of linear bearings, and one group of linear bearings is matched with one guiding rod.
Further, the method comprises the following steps: an adjustable magnetic force uniform speed slide comprises a speed reduction structure which is arranged in front of a guide device and is connected with the guide device.
Further, the method comprises the following steps: an adjustable magnetic force uniform speed slide comprises an upper platform which is arranged behind a guide device and is connected with the guide device.
Further, the method comprises the following steps: the utility model provides a magnetic force slide at uniform velocity with adjustable is including setting up the speed reduction structure in guider the place ahead and linking up with guider, and the speed reduction structure includes speed reduction slope, is located the lower platform in speed reduction slope the place ahead and is located lower platform the place ahead speed reduction barricade, is connected with the blotter on the speed reduction barricade.
Further, the method comprises the following steps: the utility model provides a magnetic force slide at uniform velocity with adjustable is including setting up the upper mounting plate in guider rear and linking up with guider, is provided with the platform recess on the upper mounting plate, and the platform recess can be with leading-in guider of gliding device.
The invention has the beneficial effects that: 1. the slide of the invention utilizes the lenz's law to reject the principle of staying, when the magnet, namely fixed magnet and moving magnet, moves along the conductor bar, the conductor bar will produce the resistance to the movement of the magnet, and the resistance increases with the increase of the magnet movement speed. Therefore, when people sit on the gliding device to glide, the gliding speed begins to increase, when the gliding speed increases to a certain value, the resistance given to the magnet by the conductor strip is equal to the component force of the gravity of the human body and the gliding device along the direction of the guiding device, the force balance is achieved, the gliding speed of the gliding device does not increase at the moment, and the uniform gliding is realized. Therefore, the maximum gliding speed of the invention is limited, the gliding device can be very long without danger caused by the continuous increase of the speed, and the gliding device is safe and gives good experience to players.
2. The adjusting structure adjusts the position of the movable magnet, so that the magnetic field at the conductor bar is changed; the movable magnet approaches, the magnetic field at the conductor bar becomes stronger, and the resistance given to the movable magnet by the conductor bar is increased; conversely, the moving magnet is far away, the magnetic field at the conductor bar is weakened, and the resistance given to the moving magnet by the conductor bar is reduced. So realized gliding device's resistance regulation for gliding device can be with the uniform velocity gliding of different speeds, adapts to different rider to the demand of speed. When a person with larger weight takes the chair, the chair is adjusted to increase the resistance, so that the phenomenon that the gliding speed is too high can be avoided.
3. The inventor sits on the sliding device to slide downwards, and the clothes and trousers cannot be abraded and skin can not be injured. Due to the limitation of the guiding device, the gliding device can not rotate, the safety can be improved, and good experience can be provided for players.
Drawings
FIG. 1 is a structural diagram of an adjustable magnetic uniform speed slide;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a view from the direction B of FIG. 1;
FIG. 4 is a view showing the construction of the lower slide;
FIG. 5 is an enlarged view of FIG. 1 at the upper platform;
FIG. 6 is a view of a linear bearing and guide rod;
labeled as: the device comprises a guide device 1, a U-shaped guide rail 11, a guide rod 12, a lower sliding device 2, a lower sliding device main body 21, a roller 211, a bottom plate 212, a front support plate 213, a back cushion plate 214, a side baffle 215, a sitting space 216, a linear bearing 217, an adjusting structure 22, an adjusting plate 221, a connecting plate 222, an arc-shaped groove 2221, a fastener 223, a speed control device 3, a conductor bar 31, a fixed magnet 32, a movable magnet 33, a speed reducing structure 4, a speed reducing slope 41, a speed reducing retaining wall 42, a buffer cushion 43, a lower platform 44, an upper platform 5 and a platform groove 51.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1 to 3, an adjustable magnetic force uniform speed slide comprises a guiding device 1, a lower sliding device 2 and a speed control device 3; the guiding device 1 is obliquely arranged, the lower sliding device 2 is matched with the guiding device 1, the lower sliding device 2 comprises a lower sliding device main body 21 and an adjusting structure 22, and a seating space 216 is formed in the lower sliding device main body 21; the speed control device 3 comprises a conductor bar 31, a fixed magnet 32 and a movable magnet 33, the conductor bar 31 is arranged in the same direction as the guide device 1 and is positioned below the lower sliding device 2, the fixed magnet 32 is connected to the bottom of the lower sliding device body 21, the fixed magnet 32 corresponds to the conductor bar 31 in position, and the movable magnet 33 is connected with the adjusting structure 22; the adjustment structure 22 can adjust the position of the movable magnet 33 to be close to or away from the conductor bar 31.
The slide of the present invention utilizes lenz's law of repulsion principle, that is, the conductor bar 31 generates resistance to the movement of the magnet when the magnets, i.e., the fixed magnet 32 and the movable magnet 33, move along the conductor bar 21, and the resistance increases as the moving speed of the magnet increases. Therefore, when people sit on the gliding device 2 to glide, the gliding speed begins to increase, when the gliding speed increases to a certain value, the resistance given to the magnet by the conductor strip 31 is equal to the component force of the gravity of the human body and the gliding device 2 along the direction of the guiding device 1, the force balance is achieved, the gliding speed of the gliding device 2 does not increase at the moment, and the uniform gliding is realized. Therefore, the maximum gliding speed of the invention is limited, the gliding device can be very long without danger caused by the continuous increase of the speed, and the gliding device is safe and gives good experience to players. The inventor sits on the sliding device 2 and slides downwards, and the clothes and trousers cannot be abraded and skin can not be injured. Due to the restriction of the guide device 1, the lower slide device 2 does not rotate, and the safety can be improved and a good experience can be given to the player.
When the adjusting structure 22 adjusts the position of the movable magnet 33, the magnetic field at the conductor bar 31 changes; the movable magnet 33 approaches, the magnetic field at the conductor bar 31 becomes stronger, and the resistance given to the movable magnet 33 by the conductor bar 31 is increased; conversely, when movable magnet 33 is moved away, the magnetic field at conductor bar 31 becomes weaker, and the resistance given to movable magnet 33 by conductor bar 31 decreases. So realized gliding device 2's resistance and adjusted for gliding device 2 can be with the uniform velocity gliding of different speeds, adapts to the demand of different riders to speed. When a person with larger weight takes the chair, the chair is adjusted to increase the resistance, so that the phenomenon that the gliding speed is too high can be avoided.
The specific structure of the adjusting structure 22 may be various, for example, as shown in fig. 3 and 4, the adjusting structure 22 includes an adjusting plate 221, a connecting plate 222 and a fastener 223, the adjusting plate 221 is located behind the lower sliding device body 21, the adjusting plate 221 is hinged to the lower end of the lower sliding device body 21, the connecting plate 222 is located beside the adjusting plate 221 and connected to the lower sliding device body 21, the connecting plate 222 has an arc-shaped slot 2221, the fastener 223 passes through the arc-shaped slot 2221 and is connected to the adjusting plate 221, the movable magnet 33 is connected to the adjusting plate 221, and the adjusting plate 221 rotates to enable the movable magnet 33 to approach or separate from the conductor.
In the above-mentioned adjusting structure 22, the fastening member 223 passes through the arc-shaped slot 2221 and is connected with the adjusting plate 221, and when the fastening member 223 is tightened, the adjusting plate 221 is tightly attached to the connecting plate 222, and the friction force between the two limits the rotation of the adjusting plate 221. Slightly loosening fastener 223, adjustment plate 221 may be rotated to an adjustment position during which fastener 223 moves within arcuate slot 2221. A washer may be provided between the adjustment plate 221 and the connection plate 222. The connecting plate 222 may be provided only on one side of the adjustment plate 221, or may be provided on both sides of the adjustment plate 221.
The adjustment structure 22 described above implements the adjustment in the following manner: slightly loosening fasteners 223, then rotating adjustment plate 221 to the appropriate position, and then tightening fasteners 223. It can be seen that the adjustment of the adjustment structure 22 is simple.
After the sliding device 2 slides down, the sliding device can slide down next time only after being taken back to the top end of the slide. For easy retrieval, the lower slide 2 should be relatively lightweight and may be made primarily of plastic. The sliding board can be taken back to the top end of the sliding board by a player, and can also be taken back by a worker or be provided with some conventional mechanical equipment to be transported back to the top end of the sliding board.
The gliding device 2 should ensure the safety of the passengers and avoid falling out. The structure of the lower slide device body 21 may be as shown in fig. 4, the lower slide device body 21 includes a bottom plate 212, a front support plate 213, a back plate 214 and two side guards 215, the front support plate 213 is connected to the front of the bottom plate 212, the back plate 214 is connected to the rear of the bottom plate 212, the two side guards 215 are respectively connected to the two sides of the bottom plate 212, and a space surrounded by the bottom plate 212, the front support plate 213, the back plate 214 and the two side guards 215 is a seating space 216. The occupant enters the seating space 216, sits on the floor 212, rests on the back plate 214, rests on the front support plate 213 and prevents forward movement, and the two side guards 215 prevent the occupant from falling out of both sides.
The conductor bars 31 may be made of conventional conductive materials, and the conductor bars 31 are preferably copper bars in accordance with the present invention. The speed control device 3 needs to be able to generate sufficient resistance, the fixed magnet 32 and the movable magnet 33 need to have high magnetic field strength, and rubidium magnets may be used for the fixed magnet 32 and the movable magnet 33. The present invention can design the size and number of conductor bars 31, fixed magnets 32 and movable magnets 33 according to the resistance requirement, for example, the speed control device 3 can include two conductor bars 31, two sets of fixed magnets 32 and two movable magnets 33, one set of fixed magnets 32 and one movable magnet 33 corresponding to the position of one conductor bar 31. Each set of fixed magnets 32 may have two fixed magnets 32
The structure of the guiding device 1 and the lower sliding device 2 matched with the guiding device 1 can be various. For example, as shown in fig. 2, the guiding device 1 includes two spaced U-shaped guide rails 11, the openings of the two U-shaped guide rails 11 are opposite, the lower sliding device body 21 includes two sets of rollers 211, and one set of rollers 211 is located in one U-shaped guide rail 11. Alternatively, as shown in fig. 6, the guiding device 1 includes two guiding rods 12 arranged at intervals, and the lower sliding device body 21 includes two sets of linear bearings 217, and one set of linear bearings 217 is arranged to cooperate with one guiding rod 12. The gliding device 2 with the structure can not leave the guide device 1, and the safety is high.
The speed of the lower slide unit 2 is reduced after sliding, and the present invention should include a speed reducing structure 4 disposed in front of the guide unit 1 and engaged with the guide unit 1.
In order to facilitate the activities of queuing and riding the sliding device 2, etc., and to facilitate the operation of matching the sliding device 2 with the guiding device 1, the present invention should include an upper platform 5 disposed behind the guiding device 1 and engaged with the guiding device 1.
The specific structure of the decelerating structure 4 and the upper platform 5 will be described below with the "guiding device 1 comprises two spaced U-shaped guide rails 11 with the openings of the two U-shaped guide rails 11 facing each other, and the lower sliding device body 21 comprises two sets of rollers 211, one set of rollers 211 being located in one U-shaped guide rail 11".
The deceleration structure 4 includes a deceleration slope 41, a lower platform 44 located in front of the deceleration slope 41, and a deceleration retaining wall 42 located in front of the lower platform 44, and a cushion 43 is connected to the deceleration retaining wall 42. When the lower sliding device 2 slides to the front end of the guide device 1, the lower sliding device slides out of the guide device 1; then the vehicle drives into a deceleration slope 41 to decelerate, and the speed of the gliding device 2 is very low after deceleration; then the vehicle drives into the lower platform 44, and if the gliding device 2 is not stopped, the vehicle touches the cushion pad 43, so that the gliding device 2 is completely stopped; the occupant can then leave the slider 2 and remove the slider 2. To improve the deceleration effect, a rubber layer may be attached to the surface of the deceleration slope 41.
The upper platform 5 is provided with a platform groove 51, and the platform groove 51 can guide the lower sliding device 2 into the guide device 1. The bottom surface of the platform groove 51 is flush with the inner bottom surface of the U-shaped guide rail 11, the side surface of the platform groove 51 is flush with the inner side surface of the U-shaped guide rail 11, and the platform groove 51 can guide the lower sliding device 2 into the guide device 1. Specifically, the lower sliding device 2 is placed in the platform groove 51 after being taken out of the upper platform 5; the passenger rides the sliding device 2 and pushes the sliding device 2 forward, and the sliding device 2 enters the guiding device 1, and then the sliding process is started.
Claims (10)
1. The utility model provides a magnetic force slide at uniform velocity with adjustable which characterized in that: comprises a guiding device (1), a gliding device (2) and a speed control device (3); the guiding device (1) is obliquely arranged, the lower sliding device (2) is matched with the guiding device (1), the lower sliding device (2) comprises a lower sliding device main body (21) and an adjusting structure (22), and a riding space (216) is formed in the lower sliding device main body (21); the speed control device (3) comprises a conductor bar (31), a fixed magnet (32) and a movable magnet (33), the conductor bar (31) and the guide device (1) are arranged in the same direction and are positioned below the lower sliding device (2), the fixed magnet (32) is connected to the bottom of the lower sliding device main body (21), the fixed magnet (32) corresponds to the conductor bar (31), and the movable magnet (33) is connected with the adjusting structure (22); the adjusting structure (22) can adjust the position of the movable magnet (33) to be close to or far away from the conductor bar (31).
2. The adjustable magnetic force uniform speed slide as claimed in claim 1, wherein: adjusting structure (22) includes regulating plate (221), connecting plate (222) and fastener (223), regulating plate (221) are located gliding device main part (21) rear, regulating plate (221) are articulated with gliding device main part (21) lower extreme, connecting plate (222) are located regulating plate (221) next door and are connected with gliding device main part (21), arc groove (2221) have on connecting plate (222), fastener (223) pass arc groove (2221) and are connected with regulating plate (221), activity magnet (33) are connected with regulating plate (221), regulating plate (221) rotation can make activity magnet (33) be close to or keep away from conductor bar (31).
3. The adjustable magnetic force uniform speed slide as claimed in claim 1, wherein: the conductor bar (31) is a copper bar.
4. The adjustable magnetic force uniform speed slide as claimed in claim 1, wherein: the gliding device main body (21) comprises a bottom plate (212), a front supporting plate (213), a back cushion plate (214) and two side baffles (215), the front supporting plate (213) is connected in front of the bottom plate (212), the back cushion plate (214) is connected behind the bottom plate (212), the two side baffles (215) are respectively connected to two sides of the bottom plate (212), and a space surrounded by the bottom plate (212), the front supporting plate (213), the back cushion plate (214) and the two side baffles (215) is a sitting space (216).
5. The adjustable magnetic force uniform speed slide as claimed in claim 1, wherein: the guide device (1) comprises two U-shaped guide rails (11) arranged at intervals, the openings of the two U-shaped guide rails (11) are opposite, the lower sliding device body (21) comprises two groups of rollers (211), and one group of rollers (211) is positioned in one U-shaped guide rail (11).
6. The adjustable magnetic force uniform speed slide as claimed in claim 1, wherein: the guiding device (1) comprises two guiding rods (12) arranged at intervals, the lower sliding device body (21) comprises two groups of linear bearings (217), and one group of linear bearings (217) is matched with one guiding rod (12).
7. The adjustable magnetic force uniform slide according to any one of claims 1 to 5, characterized in that: comprises a speed reducing structure (4) which is arranged in front of the guiding device (1) and is connected with the guiding device (1).
8. The adjustable magnetic force uniform slide according to any one of claims 1 to 5, characterized in that: comprises an upper platform (5) which is arranged at the rear of the guiding device (1) and is connected with the guiding device (1).
9. The adjustable magnetic force uniform slide as claimed in claim 5, wherein: including setting up in guider (1) the place ahead and with speed reduction structure (4) that guider (1) links up, speed reduction structure (4) are including speed reduction slope (41), be located lower platform (44) in speed reduction slope (41) the place ahead and be located platform (44) the place ahead speed reduction barricade (42) down, are connected with blotter (43) on speed reduction barricade (42).
10. The adjustable magnetic force uniform slide as claimed in claim 5, wherein: the device comprises an upper platform (5) which is arranged behind a guide device (1) and is connected with the guide device (1), wherein a platform groove (51) is formed in the upper platform (5), and the platform groove (51) can guide a lower sliding device (2) into the guide device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010675634.2A CN111686452B (en) | 2020-07-14 | 2020-07-14 | Adjustable magnetic force uniform speed slide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010675634.2A CN111686452B (en) | 2020-07-14 | 2020-07-14 | Adjustable magnetic force uniform speed slide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111686452A true CN111686452A (en) | 2020-09-22 |
| CN111686452B CN111686452B (en) | 2021-08-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010675634.2A Expired - Fee Related CN111686452B (en) | 2020-07-14 | 2020-07-14 | Adjustable magnetic force uniform speed slide |
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| Country | Link |
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| CN (1) | CN111686452B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0543690A1 (en) * | 1991-10-30 | 1993-05-26 | Commissariat A L'energie Atomique | Slide for magnetic recording |
| JPH07213045A (en) * | 1994-01-20 | 1995-08-11 | Hitachi Metals Ltd | Linear rail integrated linear scale |
| CN202030415U (en) * | 2010-11-23 | 2011-11-09 | 王晓进 | High-rise escape elevator |
| CN206007817U (en) * | 2016-08-12 | 2017-03-15 | 吕晓哲 | Slide, medicated cushion and escape device |
| CN206473796U (en) * | 2017-01-20 | 2017-09-08 | 中山乐斯高游乐设备有限公司 | Power supply device for amusement rail cars |
| CN109455195A (en) * | 2018-10-13 | 2019-03-12 | 华强方特（芜湖）文化科技有限公司 | A kind of railcar failure emergency brake device |
| CN210273798U (en) * | 2019-07-22 | 2020-04-07 | 航宇救生装备有限公司 | Linear permanent magnet eddy current speed reduction device |
-
2020
- 2020-07-14 CN CN202010675634.2A patent/CN111686452B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0543690A1 (en) * | 1991-10-30 | 1993-05-26 | Commissariat A L'energie Atomique | Slide for magnetic recording |
| JPH07213045A (en) * | 1994-01-20 | 1995-08-11 | Hitachi Metals Ltd | Linear rail integrated linear scale |
| CN202030415U (en) * | 2010-11-23 | 2011-11-09 | 王晓进 | High-rise escape elevator |
| CN206007817U (en) * | 2016-08-12 | 2017-03-15 | 吕晓哲 | Slide, medicated cushion and escape device |
| CN206473796U (en) * | 2017-01-20 | 2017-09-08 | 中山乐斯高游乐设备有限公司 | Power supply device for amusement rail cars |
| CN109455195A (en) * | 2018-10-13 | 2019-03-12 | 华强方特（芜湖）文化科技有限公司 | A kind of railcar failure emergency brake device |
| CN210273798U (en) * | 2019-07-22 | 2020-04-07 | 航宇救生装备有限公司 | Linear permanent magnet eddy current speed reduction device |
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| Publication number | Publication date |
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| CN111686452B (en) | 2021-08-27 |
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Address after: No. 128, Xinyue Third Road, Yubei District, Chongqing Patentee after: Wang Licheng Patentee after: Chen Wanming Address before: 610059 No. 1, East Third Road, erxianqiao, Chenghua District, Chengdu, Sichuan Patentee before: Wang Licheng Patentee before: Chen Wanming |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210827 |