CN111231572B - Wheel for automatic control of speed of hand-pulling forklift - Google Patents
Wheel for automatic control of speed of hand-pulling forklift Download PDFInfo
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- CN111231572B CN111231572B CN202010165673.8A CN202010165673A CN111231572B CN 111231572 B CN111231572 B CN 111231572B CN 202010165673 A CN202010165673 A CN 202010165673A CN 111231572 B CN111231572 B CN 111231572B
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- wheel
- friction shoe
- outer side
- fixed shaft
- friction
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- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 210000000003 hoof Anatomy 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/067—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing drum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07509—Braking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07554—Counterweights
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D59/00—Self-acting brakes, e.g. coming into operation at a predetermined speed
- F16D59/02—Self-acting brakes, e.g. coming into operation at a predetermined speed spring-loaded and adapted to be released by mechanical, fluid, or electromagnetic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
- F16D65/82—Features relating to cooling for internally-engaging brakes
- F16D65/827—Features relating to cooling for internally-engaging brakes with open cooling system, e.g. cooled by air
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a wheel for controlling the speed of a hand-power forklift automatically, which comprises a wheel body, wherein one side of the wheel body is provided with a protective cover, a fixed shaft is integrally connected in the wheel body, the end part of the fixed shaft penetrates through the protective cover, one end of the fixed shaft, which is positioned outside the protective cover, is provided with a shaft center hole, the other side of the wheel body is provided with a wheel assembly mark, the inner wall of the wheel body is provided with a wheel rim, the inner wall of the wheel body is provided with a positioning frame, and both ends of the positioning frame are respectively provided with a first friction shoe and a second friction shoe which are symmetrically arranged, the outer sides of the first friction shoe and the second friction shoe are both connected with friction plates, the fixed shaft penetrates through the positioning frame, and the bottom of the locating rack is provided with a first balancing weight, the outer side of the fixed shaft is rotatably connected with a rotating rack through a thimble bearing, the outer side of the rotating rack is symmetrically and integrally connected with a convex plate, and the wheel has a simple integral structure and can automatically activate a speed reducer according to the rotating speed of the wheel so as to control the speed of the vehicle.
Description
Technical Field
The invention relates to the technical field of wheels, in particular to a wheel for automatically controlling the speed of a hand-pulling forklift.
Background
The hand power fork truck plays the effect of transportation material, and the wheel is the indispensable part among the hand power fork truck.
Most manual fork truck on the market does not set up the brake, because fork truck often carries the heavy object, when the route of transport is the downhill path, the heavy object can drive fork truck acceleration rate and move, and there is great potential safety hazard in this kind of condition, for this reason, we provide a wheel that is used for hand power fork truck automatic control speed of a motor vehicle.
Disclosure of Invention
The invention aims to provide a wheel for a hand-pulling forklift to automatically control the speed of a vehicle, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a wheel for hand power fork truck automatic control speed of a motor vehicle, includes the wheel body, the safety cover is installed to one side of the wheel body, the internal body coupling of wheel has the fixed axle, and the tip of fixed axle passes the safety cover, the fixed axle is located the outside one end of safety cover and has seted up the axle center hole, the opposite side of the wheel body is provided with wheel assembly sign, the wheel rim is installed to the internal wall of wheel.
Preferably, the locating rack is installed on the inner wall of the wheel body, a first friction shoe and a second friction shoe are installed at two ends of the locating rack respectively, the first friction shoe and the second friction shoe are symmetrically arranged, friction plates are connected to the outer sides of the first friction shoe and the second friction shoe respectively, the fixed shaft penetrates through the locating rack, a first balancing weight is installed at the bottom of the locating rack, a rotating rack is rotatably connected to the outer side of the fixed shaft through a thimble bearing, a protruding plate is symmetrically and integrally connected to the outer side of the rotating rack, a connecting rod is rotatably connected to the end portion of the protruding plate, and one end, far away from the rotating rack, of the connecting rod is rotatably connected to the surfaces of the first friction shoe and the second friction shoe respectively.
Preferably, the fixed axle outside is rotated and is connected with and rotates the circle, and rotates the outside an organic whole of circle and be connected with the connecting rod, the bottom of connecting rod is provided with the drive plate, the spout has been seted up on the surface of connecting rod, and sliding connection has the counter weight in the spout, two locating holes have been seted up in the outside of rotating the circle, the rotation circle outside is located locating hole side fixedly connected with hammer carrier, and the tip of hammer carrier rotates and is connected with the counter weight hammer.
Preferably, the fixed axle outside is located the tip rotation of rotating the circle and is connected with the drive circle, the second balancing weight is installed in the outside of drive circle, drive circle outside an organic whole is connected with branch, and the tip rotation of branch is connected with the runner, three fixed slot has been seted up to the outside equidistance of runner, and fixedly connected with spring in the fixed slot, the tip of spring passes fixed slot fixedly connected with rubber boss, the branch tip rotation in the drive circle outside is connected with little synchronizing wheel, the big synchronizing wheel of outside fixedly connected with of fixed axle, and the outside of big synchronizing wheel is equipped with the hold-in range, big synchronizing wheel passes through the hold-in range and is connected with little synchronizing wheel transmission.
Preferably, the surface of the friction plate is equidistantly provided with heat dissipation holes, the inner wall of the friction plate is provided with two clamping grooves, the outer sides of the first friction shoe and the second friction shoe are respectively provided with two convex blocks, the convex blocks are clamped in the clamping grooves, and the first friction shoe and the second friction shoe are respectively connected with the two friction plates through the convex blocks arranged on the first friction shoe and the second friction shoe.
Preferably, the transfer holes in the first friction shoe and the second friction shoe are collinear with the transfer holes in the connecting rod and the positioning frame.
Compared with the prior art, the invention has the beneficial effects that: the speed reducer is fixed on the positioning frame, the first friction shoe and the second friction shoe can be outwards opened by rotating the rotating frame to drive the friction plates to contact with the inner wall of the wheel rim to realize speed reduction of the forklift, the inner wall of the wheel rim is provided with anti-abrasion coating (the rotating frame rotates anticlockwise, the friction shoes are opened to realize speed reduction, the rotating frame rotates clockwise, the friction shoes are contracted, the speed reducer does not work (the mass of the second friction shoe is slightly larger than that of the first friction shoe), and the whole structure of the forklift is simple, and the speed reducer can be automatically activated according to the rotating speed of the forklift to achieve the purpose of controlling the speed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the interior of the wheel body of the present invention;
FIG. 4 is an enlarged view of the structure of the present invention at A;
FIG. 5 is a schematic view of the interior of the wheel body of the present invention;
FIG. 6 is a schematic view of a friction plate according to the present invention.
In the figure: 1. a wheel body; 2. a protective cover; 3. a shaft center hole; 4. a friction plate; 5. a rim; 6. a positioning frame; 7. rotating the frame; 8. a connecting rod; 9. a first friction shoe; 10. a second friction shoe; 11. a fixed shaft; 12. a first weight block; 13. heat dissipation holes; 14. a card slot; 15. rotating the ring; 16. a counterweight hammer; 17. a connecting rod; 18. a chute; 19. counterweight weights; 20. a hammer frame; 21. positioning holes; 22. wheel assembly identification; 23. a second counterweight block; 24. a rotating wheel; 25. a spring; 26. a rubber boss; 27. a small synchronizing wheel; 28. a large synchronizing wheel; 29. a drive plate; 30. a synchronous belt; 31. and a driving ring.
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.
Referring to fig. 1-6, the present invention provides a technical solution: a wheel for a hand-pulling forklift to automatically control the speed of the vehicle comprises a wheel body 1, a protective cover 2 is installed on one side of the wheel body 1, a fixed shaft 11 is integrally connected in the wheel body 1, the end portion of the fixed shaft 11 penetrates through the protective cover 2, a shaft center hole 3 is formed in one end, located outside the protective cover 2, of the fixed shaft 11, a wheel assembly mark 22 is arranged on the other side of the wheel body 1, a wheel rim 5 is installed on the inner wall of the wheel body 1, the arrow direction of the wheel assembly mark 22 is the normal running direction of the forklift, the arrow is required to be approximately horizontal to the ground during assembly, the protective cover 2 is used for protecting parts inside the wheel body 1 to achieve water and dust prevention, the fixed shaft 11 is assembled with a wheel shaft, a positioning frame 6 is installed on the inner wall of the wheel body 1, a first friction shoe 9 and a second friction shoe 10 are installed at two, the positioning frame 6 is matched with the fixed shaft 11 by adopting a needle bearing, the lower end of the positioning frame 6 is provided with a first balancing weight 12, the mass of a second friction shoe 10 is slightly larger than that of the first friction shoe 9, so that the first friction shoe 9 is always on, the second friction shoe 10 is always under in the running process of the wheel body 1, the outer sides of the first friction shoe 9 and the second friction shoe 10 are both connected with a friction plate 4, the friction plate 4 is contacted with the inner wall of the wheel rim 5, the fixed shaft 11 penetrates through the positioning frame 6, the bottom of the positioning frame 6 is provided with the first balancing weight 12, the outer side of the fixed shaft 11 is rotatably connected with the rotating frame 7 through a thimble bearing, the outer side of the rotating frame 7 is symmetrically and integrally connected with a convex plate, the end part of the convex plate is rotatably connected with a connecting rod 8, one end of the connecting rod 8 far away from the rotating frame 7 is respectively rotatably connected with the surfaces of the first friction shoe 9 and the second friction shoe 10, the weight of the first weight 12 is much greater than the friction torque.
The outer side of the fixed shaft 11 is rotatably connected with a rotating ring 15, the outer side of the rotating ring 15 is integrally connected with a connecting rod 17, the bottom of the connecting rod 17 is provided with a driving plate 29, the surface of the connecting rod 17 is provided with a sliding groove 18, a counterweight 19 is slidably connected in the sliding groove 18, the outer side of the rotating ring 15 is provided with two positioning holes 21, the outer side of the rotating ring 15 is positioned on the side edges of the positioning holes 21 and is fixedly connected with a hammer frame 20, and the end part of the hammer frame 20 is rotatably.
The end part of the rotating ring 15, which is positioned on the outer side of the fixed shaft 11, is rotatably connected with a driving ring 31, the outer side of the driving ring 31 is provided with a second balancing weight 23, the outer side of the driving ring 31 is integrally connected with a support rod, the end part of the support rod is rotatably connected with a rotating wheel 24, the first friction shoe 9 and the second friction shoe 10 can be opened outwards by rotating the rotating frame 7 to drive the friction plate 4 to contact with the inner wall of the rim 5 to realize the speed reduction of the forklift, the inner wall of the rim 5 is provided with anti-abrasion coating (the rotating frame 7 rotates anticlockwise, the friction shoes are opened to realize the speed reduction, the rotating frame 7 rotates clockwise, the friction shoes are contracted, the speed reduction device does not work), the driving ring 31 is matched with the fixed shaft 11 through a needle bearing, the lower end of the driving ring 31 is hinged with the second balancing weight 23, the weight of the second balancing weight, a spring 25 is fixedly connected in the fixed groove, the end part of the spring 25 penetrates through the fixed groove and is fixedly connected with a rubber boss 26, the rubber boss 26 is fixedly connected with a rotating wheel 24 through the spring 25, the higher the speed of the rotating wheel 24 is, the longer the rubber boss 26 is stretched outwards, the impact force generated by collision of the rubber boss 26 can be relieved due to the rubber, the end part of a supporting rod at the outer side of a driving ring 31 is rotatably connected with a small synchronizing wheel 27, the outer side of a fixed shaft 11 is fixedly connected with a large synchronizing wheel 28, the outer side of the large synchronizing wheel 28 is provided with a synchronous belt 30, the large synchronizing wheel 28 is in transmission connection with the small synchronizing wheel 27 through the synchronous belt 30, the large synchronizing wheel 28 is fixedly connected with the fixed shaft 11, the purpose of increasing speed is realized by transmitting the large synchronizing wheel 28 to the small synchronizing wheel 27, the small synchronizing wheel 27 transmits torque to a centrifugal disc, when the speed of, therefore, the small synchronizing wheel 27 cannot be in contact with the driving plate 29, the speed reducer does not work at this moment, when the speed of the wheel body 1 is high, the rotating speed of the small synchronizing wheel 27 is high, the rotating speed of the centrifugal disc is high, the centrifugal force of the rubber boss 26 is high, the rubber boss 26 moves outwards to press the driving plate 29 to enable the connecting rod 17 to rotate anticlockwise, the counterweight 19 moves leftwards under the action of gravity (the moment arm of the counterweight 19 is increased), the moment generated by the counterweight 19 is larger than that of the right counterweight 16, the counterweight 16 rotates anticlockwise under the action of gravity to accelerate the driving ring 31 to rotate anticlockwise, the speed reducer is activated, the wheel body 1 is in contact with the friction plate 4 to reduce the speed, and when the rotating speed of the wheel body 1 is reduced, the second counterweight 23 can drive the driving ring 31 to rotate clockwise due to being heavier, and.
Louvre 13 has been seted up to the surface equidistance of friction disc 4, two draw-in grooves 14 have been seted up to the inner wall of friction disc 4, the outside of first friction hoof 9 and second friction hoof 10 all is provided with two lugs, and the lug joint is in draw-in groove 14, first friction hoof 9 and second friction hoof 10 all are connected with two friction discs 4 through the lug that sets up above that, play better radiating effect through louvre 13, be convenient for be connected more firm through being connected of lug and draw-in groove 14.
The rotating holes in the first friction shoe 9 and the second friction shoe 10 are collinear with the rotating holes in the connecting rod 8 and the positioning frame 6, and the rotating frame 7 cannot rotate clockwise when the rotating holes in the first friction shoe 9 and the second friction shoe 10 are collinear with the rotating holes in the connecting rod 8 and the positioning frame 6.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a wheel that is used for hand power fork truck automatic control speed of a motor vehicle, includes the wheel body (1), its characterized in that: a protective cover (2) is installed on one side of the wheel body (1), a fixed shaft (11) is integrally connected in the wheel body (1), the end part of the fixed shaft (11) penetrates through the protective cover (2), a shaft center hole (3) is formed in one end, located outside the protective cover (2), of the fixed shaft (11), a wheel assembly mark (22) is arranged on the other side of the wheel body (1), and a wheel rim (5) is installed on the inner wall of the wheel body (1);
the wheel body (1) is provided with a positioning frame (6) on the inner wall, a first friction shoe (9) and a second friction shoe (10) are respectively arranged at two ends of the positioning frame (6), the first friction shoe (9) and the second friction shoe (10) are symmetrically arranged, and the outer sides of the first friction shoe (9) and the second friction shoe (10) are both connected with friction plates (4), the fixed shaft (11) penetrates through the positioning frame (6), the positioning frame (6) is rotationally connected with the fixed shaft (11), and the bottom of the positioning frame (6) is provided with a first balancing weight (12), the outer side of the fixed shaft (11) is rotatably connected with a rotating frame (7) through a thimble bearing, the outer side of the rotating frame (7) is symmetrically and integrally connected with a convex plate, the end part of the convex plate is rotatably connected with a connecting rod (8), and one end of the connecting rod (8) far away from the rotating frame (7) is respectively and rotatably connected to the surfaces of a first friction shoe (9) and a second friction shoe (10);
the outer side of the fixed shaft (11) is rotatably connected with a rotating ring (15), the outer side of the rotating ring (15) is integrally connected with a connecting rod (17), the bottom of the connecting rod (17) is provided with a driving plate (29), the surface of the connecting rod (17) is provided with a sliding groove (18), a counterweight (19) is slidably connected in the sliding groove (18), the outer side of the rotating ring (15) is provided with two positioning holes (21), the outer side of the rotating ring (15) is positioned at the side edge of the positioning hole (21) and is fixedly connected with a hammer frame (20), and the end part of the hammer frame (20) is rotatably connected with a counterweight hammer (;
the end part of the outer side of the fixed shaft (11) positioned at the rotating ring (15) is rotatably connected with a driving ring (31), a second balancing weight (23) is arranged on the outer side of the driving ring (31), a supporting rod is integrally connected on the outer side of the driving ring (31), and the end part of the supporting rod is rotatably connected with a rotating wheel (24), three fixing grooves are arranged on the outer side of the rotating wheel (24) at equal intervals, a spring (25) is fixedly connected in the fixed groove, the end part of the spring (25) penetrates through the fixed groove and is fixedly connected with a rubber boss (26), the end part of the supporting rod at the outer side of the driving ring (31) is rotationally connected with a small synchronizing wheel (27), the outer side of the fixed shaft (11) is fixedly connected with a large synchronizing wheel (28), and the outside of big synchronizing wheel (28) is equipped with hold-in range (30), big synchronizing wheel (28) are connected with little synchronizing wheel (27) transmission through hold-in range (30).
2. The wheel for the hand-power forklift to automatically control the speed of the vehicle as claimed in claim 1, wherein: the heat dissipation holes (13) are formed in the surface of the friction plate (4) at equal intervals, two clamping grooves (14) are formed in the inner wall of the friction plate (4), two convex blocks are arranged on the outer sides of the first friction shoe (9) and the second friction shoe (10) and clamped in the clamping grooves (14), and the first friction shoe (9) and the second friction shoe (10) are connected with the two friction plates (4) through the convex blocks arranged on the first friction shoe and the second friction shoe.
3. The wheel for the hand-power forklift to automatically control the speed of the vehicle as claimed in claim 1, wherein: and the transfer holes on the first friction shoe (9) and the second friction shoe (10) are collinear with the transfer holes on the connecting rod (8) and the positioning frame (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010165673.8A CN111231572B (en) | 2020-03-11 | 2020-03-11 | Wheel for automatic control of speed of hand-pulling forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010165673.8A CN111231572B (en) | 2020-03-11 | 2020-03-11 | Wheel for automatic control of speed of hand-pulling forklift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111231572A CN111231572A (en) | 2020-06-05 |
| CN111231572B true CN111231572B (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010165673.8A Active CN111231572B (en) | 2020-03-11 | 2020-03-11 | Wheel for automatic control of speed of hand-pulling forklift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111231572B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590913A (en) * | 2021-01-04 | 2021-04-02 | 安徽小龙仔儿童用品有限公司 | Baby carriage with automatic braking function |
| CN113264482B (en) * | 2021-05-18 | 2023-12-26 | 安徽东方钙业有限公司 | Lifting support capable of adapting to multi-terrain for mining equipment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07265145A (en) * | 1994-03-31 | 1995-10-17 | Itoki Crebio Corp | Overspeed braking roller and drawer system using the same |
| CN100339258C (en) * | 2004-08-24 | 2007-09-26 | 东莞贯新幼童用品有限公司 | Wheel structure |
| CN200943685Y (en) * | 2006-08-11 | 2007-09-05 | 苏州广宁五金工具有限公司 | Centrifugal speed restrictor |
| CN101885290A (en) * | 2009-05-12 | 2010-11-17 | 拓基轴承株式会社 | Brake device |
| US9744949B2 (en) * | 2011-09-27 | 2017-08-29 | Nabtesco Corporation | Vehicle speed control device and vehicle equipped with vehicle speed control device |
| CN204458923U (en) * | 2014-12-12 | 2015-07-08 | 河南工业贸易职业学院 | A kind of wheel with reducing gear |
| TWI647392B (en) * | 2016-12-23 | 2019-01-11 | 緯創資通股份有限公司 | Speed adjustment module, rotating device and speed adjustment method |
| CN207328416U (en) * | 2017-10-25 | 2018-05-08 | 三明学院 | A kind of wheel with speed limit brake function |
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2020
- 2020-03-11 CN CN202010165673.8A patent/CN111231572B/en active Active
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| CN111231572A (en) | 2020-06-05 |
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