CN211281028U - Novel mechanical adjustable automatic limiter - Google Patents
Novel mechanical adjustable automatic limiter Download PDFInfo
- Publication number
- CN211281028U CN211281028U CN201922316025.3U CN201922316025U CN211281028U CN 211281028 U CN211281028 U CN 211281028U CN 201922316025 U CN201922316025 U CN 201922316025U CN 211281028 U CN211281028 U CN 211281028U
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- brake
- adjusting screw
- speed
- brake block
- wheel hub
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Abstract
The utility model relates to a novel mechanical adjustable automatic limiter, which overcomes the tension force of a tension spring through a brake block which is in sliding fit with a guide rod along the radial direction of a shaft sleeve, moves outwards under the action of centrifugal force under the condition of rotating at the highest speed, and is matched with a friction plate on a brake wheel hub to realize the purpose of limiting speed, adjusts the axial distance between a left brake wheel hub and a right brake wheel hub through a rotating adjusting screw rod with reverse double threads, realizes the adjustment of the size of a gap formed between the upper brake block and the lower brake block and the brake friction plate, realizes the adjustment of the maximum rotating speed limited by a speed limiter, adopts the matching between an inner gear ring and a straight gear ring on the same rotating ring to realize the simultaneous adjustment of a plurality of groups of adjusting screw rods, avoids the occurrence of the collapse of a weak link caused by the difference of the adjustment of the maximum limiting speed, and can more accurately adjust, the utility model discloses the structure is ingenious, and convenience simple to use, application scope is wide, and the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of brake equipment, especially, relate to an automatic stopper with adjustable novel mechanical type.
Background
In the running process of the unpowered sliding rope, the sliding speed of the manned sliding trolley is faster and faster, the linear speed of the sliding trolley is reduced only by self-braking of the tourist, randomness exists, and potential safety hazards exist. The speed of the scooter sliding along different slopes is different, but the speed is required to be below the national standard requirement, which requires that the limit speed of the scooter during sliding is limited.
The centrifugal friction type speed limiter adopted by the speed limiter in the prior art cannot adjust the limit speed, cannot adapt to the requirements in actual life, and has certain limitation, so that a novel mechanical adjustable automatic speed limiter which is convenient to adjust the limit speed is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel automatic stopper with adjustable mechanical type for solve the problem of mentioning in the background art not enough to prior art exists.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a novel mechanical adjustable automatic limiter comprises a shaft sleeve, wherein the shaft sleeve is externally rotatably connected with a speed limiter body, the speed limiter body is connected with a sliding cable trolley through a connecting bolt, and the mechanical adjustable automatic limiter is characterized in that the upper end and the lower end of the shaft sleeve are respectively connected with a guide rod along the radial direction, the guide rod is provided with a brake pad in sliding fit along the radial direction, the left side and the right side outside the brake pad are respectively matched with a brake hub, the brake hubs are connected with friction plates matched with the two sides of the brake pad, the left brake hub and the right brake hub on the upper side and the lower side are respectively connected with the limiter body through connecting screws, an adjusting screw rod is in threaded connection between the left brake hub and the right brake hub on the same side, the adjusting screw rod is opposite to the threaded connection between the left brake hub and the right brake hub, a set of pressure springs arranged outside the adjusting screw rod is, the tension springs are connected between the fastening screws on the upper and lower groups of brake pads, the adjusting screw is matched with a locknut in an external thread mode, the shaft end of the adjusting screw is connected with an adjusting device, and the adjusting device can adjust the adjusting screws on the upper side and the lower side simultaneously.
Preferably, the adjusting device comprises a straight gear coaxially connected to the shaft end of the adjusting screw rod and a rotating ring rotatably connected to the outside of the speed limiter body, an inner gear ring is coaxially connected in the rotating ring and meshed with the two sets of straight gears, and a plurality of sets of limiting pins are in threaded fit on the limiter body to meet the requirement that the limiting pins can limit the relative rotation between the rotating ring and the limiter body.
Preferably, the inner gear ring is meshed with a driving gear on a speed limiter body which is rotatably connected, the limiting stopper body is connected with a vertically arranged slide way, the slide way is matched with a rack in a sliding mode and can prevent the rack from falling off from the slide way, the rack is meshed with the driving gear, the rack is connected with a pointer which penetrates through one side of the slide way in a sliding mode, and the slide way is provided with scales for indicating the limit of the sliding speed.
Preferably, the connecting bolt is an inner hexagon bolt, and the connecting screw is an inner hexagon screw.
Preferably, a plurality of groups of anti-skid ridges arranged along the circumferential direction are connected outside the rotating ring.
The utility model has the advantages that: the utility model overcomes the tension of the tension spring through the brake block which is in sliding fit with the guide rod along the radial direction of the shaft sleeve, under the condition of the extremely fast rotation, the brake block moves outwards under the action of the centrifugal force and is matched with the friction plate on the brake wheel hub to realize the purpose of speed limit, the axial distance between the left brake wheel hub and the right brake wheel hub is adjusted through the rotary adjusting screw rod with reverse double threads, thereby realizing the adjustment of the gap size between the upper brake block and the lower brake block, thereby realizing the adjustment of the maximum rotating speed limited by the speed limiter, simultaneously, because a plurality of groups of adjusting screw rods exist, the matching between the inner gear ring and the straight gear on the same rotating ring is adopted to realize the simultaneous adjustment of the plurality of groups of adjusting screw rods, avoiding the occurrence of the collapse of the weak link caused by the difference of the maximum limiting speed adjustment, and the adjustment of the maximum speed, the utility model discloses the structure is ingenious, and convenience simple to use, application scope is wide, and the practicality is strong, is worth using widely.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a front sectional view of the present invention with the adjusting device removed.
Fig. 5 is a side sectional view of the present invention with the adjustment mechanism removed.
Fig. 6 is a first view of the adjusting device according to the present invention.
Fig. 7 is a schematic structural view of the adjusting device of the present invention.
Fig. 8 is a three-dimensional structure view of the rack and the connecting portion thereof in the adjusting device of the present invention.
In the figure, 1, a shaft sleeve; 2. a governor body; 3. a connecting bolt; 4. a guide bar; 5. a brake pad; 6. a brake hub; 7. a friction plate; 8. a connecting screw; 9. adjusting the screw rod; 10. a pressure spring; 11. fastening screws; 12. a tension spring; 13. loosening the nut; 14. a spur gear; 15. rotating the ring; 16. an inner gear ring; 17. a spacing pin; 18. a drive gear; 19. a slideway; 20. a rack; 21. a pointer; 22. calibration; 23. and (4) anti-skid ridges.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Embodiment one, combine the attached figure 1-8, a new kind of mechanical adjustable automatic stop, including the axle sleeve 1, the said axle sleeve 1 is external to rotate and connect a speed limiter body 2, the said speed limiter body 2 links with trolley of the sliding cable through the connecting bolt 3, the overspeed governor connects the axis of rotation of the trolley of the sliding cable through the axle sleeve 1, couple with trolley body of the sliding cable through the connecting bolt 3, characterized by, the upper and lower both ends of the said axle sleeve 1 connect with the guide arm 4 radially respectively, the said guide arm 4 is along sliding fit with a brake block 5 radially, when the bush rotates with the axis of rotation of the trolley of the sliding cable, because the brake block 5 is along sliding fit on the guide arm 4 radially, therefore, the brake block 5 will do the centrifugal motion along the direction of the guide arm 4, the said brake block 5 outer left and right sides cooperate with brake hub 6 separately, the cooperation between brake block 5 and brake hub 6 uses the inclined plane to cooperate and contact, thereby realizing friction fit, the brake hubs 6 are connected with friction plates 7 matched with two sides of the brake block 5, the friction plates 7 are arranged to improve the contact friction force between the brake hubs 6 and the brake block 5, the left and right brake hubs 6 at the upper and lower sides are respectively connected on the limiter body through connecting screws 8, the material of the matched parts of the brake hubs 6 and the connecting screws 8 can be wood material which can be matched by the connecting screws 8, the left and right brake hubs 6 are slidably mounted on the limiting vehicle body and then limited by the connecting screws 8, an adjusting screw 9 is in threaded connection between the left and right brake hubs 6 at the same side, the threaded fit between the adjusting screw 9 and the left and right brake hubs 6 is opposite, the adjusting screw 9 is rotated to enable the two groups of left and right brake hubs 6 to simultaneously move towards the center direction or to be far away through the threaded fit between the adjusting screw 9 and the left and right brake hubs 6, thereby changing the clamping degree between the two groups of brake hubs 6 and the brake pads 5, connecting a set of pressure springs 10 arranged outside the adjusting screw rods 9 between the two groups of brake hubs 6 on the same side, the pressure springs 10 providing reverse tension force to make the positioning of the brake hubs 6 more reliable, connecting fastening screws 11 between the upper and lower brake pads 5, connecting tension springs 12 between the fastening screws 11 on the upper and lower groups of brake pads 5, the adjusting screw rods 9 being in external thread fit with a locknut 13, the locknut 13 preventing the adjusting screw rods 9 from loosening after adjustment, the shaft end of the adjusting screw rods 9 being connected with an adjusting device to satisfy the requirement that the adjusting device can simultaneously adjust the adjusting screw rods 9 on the upper and lower sides, the shaft sleeve 1 rotating through the rotation shaft of the sliding cable trolley, the upper and lower brake pads 5 connected on the shaft sleeve 1 in a sliding manner through the guide post, under the action of inertia, the upper brake block 5 and the lower brake block rotate and slide along the guide posts all around to contact with the brake friction plate 7, the brake friction plate 7 is fixed on the left brake hub 6 and the right brake hub 6, the left brake hub 6 and the right brake hub 6 are connected on the speed limiter body 2 through the connecting screw 8 and do not rotate relative to the shaft sleeve 1, friction is formed between the upper brake block and the lower brake block and the brake friction plate 7, and the rotating speed of the upper brake block and the lower brake block is reduced;
the higher the rotating speed of the upper brake block 5 and the lower brake block is, the larger the centrifugal force formed by the rotation is, the larger the friction force formed between the upper brake block and the lower brake block and the brake friction plate 7 is, and the more effective limitation on the rotating speed of the upper brake block and the lower brake block is realized. Due to the action of the tension spring 12, when the rotating speed of the upper brake block and the lower brake block is slowed down, the upper brake block and the lower brake block are contracted towards the axis. A gap is formed between the upper brake block and the lower brake block and the brake friction plate 7, the two connecting screws 8 are loosened without friction, the adjusting screw 9 is rotated to adjust the axial distance between the left brake hub 6 and the right brake hub 6, the adjustment of the size of the gap formed between the upper brake block 5 and the brake friction plate 7 is realized, the larger the gap is, the higher the maximum rotating speed limited by the speed limiter is, after the adjusting screw 9 is adjusted, the locknut 13 is used for pressing, and the left brake hub 6 and the right brake hub 6 are fixed on the speed limiter body 2 by the connecting screws 8; the adjusting screw 9 can be adjusted by an adjusting device, so that the adjusting screw 9 can be adjusted at different positions according to the limitation of different limit rotating speeds during adjustment, and the desired maximum limit rotating speed can be obtained.
In the second embodiment, on the basis of the first embodiment, with reference to fig. 1 to 8, the adjusting device includes a spur gear 14 coaxially connected to the shaft end of the adjusting screw 9, and further includes a rotating ring 15 rotatably connected to the outside of the speed limiter body 2, an inner gear ring 16 coaxially connected to the inside of the rotating ring 15, the inner gear ring 16 is engaged with the two sets of spur gears 14, the stopper body is threaded with a plurality of sets of limit pins 17, so that the limit pins 17 can limit the relative rotation between the rotating ring 15 and the stopper body, the limit pins 17 limit the inner gear ring 16 after the inner gear ring 16 is rotatably adjusted, so that the inner gear ring 16 cannot rotate to play a role of clamping, and the purpose of rotatably adjusting the adjusting screw 9 is driven by rotating the engagement of the inner gear ring 16 and the spur gear 14, so that the upper and lower sets of adjusting screws 9 are simultaneously adjusted, thereby avoiding the difference in the limiting speeds of the upper and lower hubs 6 caused by the artificial adjustment of the upper and lower sets of adjusting screws 9 And (3) distinguishing.
In the third embodiment, on the basis of the second embodiment, with reference to fig. 1 to 8, the inner gear ring 16 engages with a driving gear 18 on a speed limiter body 2 which is rotatably connected, the limiter body is connected with a slide 19 which is vertically arranged, the slide 19 is in sliding fit with a rack 20, and the rack 20 does not fall off from the slide 19, two ends of the slide 19 are provided with sealing structures, the rack 20 is engaged with the driving gear 18, the rack 20 is connected with a pointer 21 which slides out of one side of the slide 19, the slide 19 is provided with scales 22 for indicating the limit of the sliding speed, and the rotation of the inner gear ring 16 drives the driving gear 18 to rotate, so that the driving gear 18 drives the rack 20 to move, and further indicates the scales 22.
In a fourth embodiment, on the basis of the first embodiment, with reference to fig. 1 to 8, the connecting bolt 3 is an inner hexagon bolt, and the connecting screw 8 is an inner hexagon screw.
In the fifth embodiment, on the basis of the second embodiment, with reference to fig. 1 to 8, a plurality of sets of anti-slip ribs 23 circumferentially arranged are externally connected to the swivel ring 15, which is convenient for a user to adjust.
When the utility model is used, firstly, the maximum limit rotating speed of the sliding cable trolley in use is determined, then the connecting screws 8 on the upper side and the lower side are loosened, the inner gear ring 16 is rotated to adjust the sliding cable trolley according to the indication of the pointer 21, the inner gear ring 16 drives the straight gear 14 to rotate, the straight gear 14 adjusts the adjusting screw 9, after the adjustment is completed, the position is limited through the limiting pin 17, then the adjusting screw 9 is locked through the locknut 13, the rotation of the adjusting screw 9 is realized, thereby the axial distance between the left brake wheel hub 6 and the right brake wheel hub 6 is adjusted, the adjustment of the size of a gap formed between the upper brake block 5 and the brake friction plate 7 is realized, the larger the gap is, the higher the maximum rotating speed of the speed limiter is, then the left brake wheel hub 6 and the right brake wheel hub 6 are fixed on the speed limiter body 2 by utilizing the connecting screws, the upper brake block 5 and the lower brake block 5 which are connected on the shaft sleeve 1 in a sliding mode through the guide posts rotate, the upper brake block 5 and the lower brake block 5 can slide along the guide posts all around under the action of inertia, so that the upper brake block 5 and the lower brake block 5 can contact with the brake friction plates 7, the brake friction plates 7 are fixed on the left brake hub 6 and the right brake hub 6, the left brake hub 6 and the right brake hub 6 are connected on the speed limiter body 2 through the connecting screws 8 and do not rotate relative to the shaft sleeve 1, friction is formed between the upper brake block and the lower brake block and the brake friction plates 7, and the rotating.
The utility model has the advantages of structure:
1. the axial distance between the left brake hub 6 and the right brake hub 6 is adjusted through the rotary adjusting screw rod 9 with reverse double threads, so that the size of a gap formed between an upper brake pad and a lower brake pad and the brake friction plate 7 is adjusted, and the adjustment of the maximum rotating speed limited by the speed limiter is realized;
2. the higher the rotating speed of the speed governor passing through the shaft sleeve 1 is, the larger the friction force between the lower brake pad and the brake friction plate 7 is, and the automatic limitation of the rotating speed of the speed governor passing through the shaft sleeve 1 is realized.
3. The inner gear ring 16 with an anti-skid edge 23 structure drives the driving gear 18 to drive the rack 20 to move, so that the maximum speed limit is regulated in detail, the two groups of regulating screws 9 are synchronously regulated, and potential safety hazards caused by deviation of manual regulation are avoided.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a novel automatic stopper with adjustable mechanical type, includes axle sleeve (1), axle sleeve (1) outward rotation connect a speed limiter body (2), speed limiter body (2) be connected with the strop pulley dolly through connecting bolt (3), its characterized in that, the upper and lower both ends of axle sleeve (1) respectively along radial connection have guide arm (4), guide arm (4) go up and match a brake block (5) along radial slip, the outer left and right sides of brake block (5) respectively cooperate have brake wheel hub (6), brake wheel hub (6) on be connected with brake block (5) both sides complex friction disc (7), upper and lower both sides about brake wheel hub (6) respectively through connecting screw (8) connect on the stopper body, threaded connection an adjusting screw rod (9) between two brake wheel hubs (6) about the same one side, adjusting screw rod (9) and about brake wheel hub (6) between screw-thread fit opposite, connect one set of pressure spring (10) of establishing outside adjusting screw (9) between two sets of brake wheel hub (6) with one side, upper and lower brake block (5) between be connected with fastening screw (11), be connected with extension spring (12) between fastening screw (11) on upper and lower two sets of brake block (5), adjusting screw (9) external screw-thread fit lock nut (13), the axle head of adjusting screw (9) be connected with an adjusting device, satisfy adjusting device and can adjust adjusting screw (9) of upper and lower both sides simultaneously.
2. The novel mechanical adjustable automatic limiter according to claim 1, wherein the adjusting device comprises a straight gear (14) coaxially connected to the shaft end of the adjusting screw (9), and further comprises a rotating ring (15) rotatably connected to the outside of the speed limiter body (2), an inner gear ring (16) is coaxially connected in the rotating ring (15), the inner gear ring (16) is meshed with the two sets of straight gears (14), and the limiter body is provided with a plurality of sets of limiting pins (17) in a threaded fit manner, so that the limiting pins (17) can limit the relative rotation between the rotating ring (15) and the limiter body.
3. The novel mechanical adjustable automatic limiter according to claim 2, wherein the inner gear ring (16) is engaged with a driving gear (18) on a speed limiter body (2) which is rotatably connected, the limiter body is connected with a vertically arranged slide way (19), the slide way (19) is in sliding fit with a rack (20), the rack (20) is not separated from the slide way (19), the rack (20) is engaged with the driving gear (18), the rack (20) is connected with a pointer (21) which slides out of one side of the slide way (19), and the slide way (19) is provided with a scale (22) for indicating the limit of the sliding speed.
4. The novel mechanical adjustable automatic stop according to claim 1, characterized in that the connecting bolt (3) is a socket head cap screw and the connecting screw (8) is a socket head cap screw.
5. The novel mechanical adjustable automatic stop device according to claim 2, characterized in that a plurality of sets of anti-slip ribs (23) are connected to the outside of the swivel ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922316025.3U CN211281028U (en) | 2019-12-21 | 2019-12-21 | Novel mechanical adjustable automatic limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922316025.3U CN211281028U (en) | 2019-12-21 | 2019-12-21 | Novel mechanical adjustable automatic limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211281028U true CN211281028U (en) | 2020-08-18 |
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ID=72032595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922316025.3U Expired - Fee Related CN211281028U (en) | 2019-12-21 | 2019-12-21 | Novel mechanical adjustable automatic limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211281028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112155888A (en) * | 2020-09-25 | 2021-01-01 | 重庆科技学院 | Intelligent nursing bed |
-
2019
- 2019-12-21 CN CN201922316025.3U patent/CN211281028U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112155888A (en) * | 2020-09-25 | 2021-01-01 | 重庆科技学院 | Intelligent nursing bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20200818 Termination date: 20211221 |