CN206126542U - Novel one -way speed governor who has speed control - Google Patents
Novel one -way speed governor who has speed control Download PDFInfo
- Publication number
- CN206126542U CN206126542U CN201620664124.4U CN201620664124U CN206126542U CN 206126542 U CN206126542 U CN 206126542U CN 201620664124 U CN201620664124 U CN 201620664124U CN 206126542 U CN206126542 U CN 206126542U
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- rope sheave
- wheel
- friction pulley
- location structure
- big
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Abstract
The utility model discloses a novel one -way speed governor who has speed control, its base rotates and is equipped with big friction pulley, it is equipped with small friction wheel to rotate on the rope sheave, small friction wheel rotates the assembly on the rope sheave through the fixed part that extends on its outer peripheral face, it is equipped with location structure still to rotate in small friction wheel's top on the wheel face of rope sheave, be provided with the location torsional spring that makes location structure turn to the fixed part between location structure and the rope sheave, location structure makes small friction wheel keep away from big friction pulley with the back end elasticity roof pressure cooperation of fixed part, the location structure epirelief is equipped with the trigger end, it brakies its connecting rod that compresses tightly the rope sheave of clamp plate messenger to articulate on the friction pulley greatly to have to stimulate when the friction pulley is with the small friction wheel meshing greatly, the connecting rod clearance wears to establish on the braking clamp plate, connecting rod and the equal spacing cooperation in both sides of brakeing the clamp plate, be fixed with the dish dish on the big friction pulley. The utility model discloses a that the braking is adopted is big friction pulley and small friction wheel, in case exceeding the speed limit appears in the rope sheave, two friction pulley interlocks in the twinkling of an eye do not have delay.
Description
Technical field
The utility model is related to a kind of New Speed Limiter in elevator device, more particularly to a kind of unidirectional limiter of speed,
Belong to a kind of elevator component.
Background technology
Limiter of speed is the critical component of elevator safety, of the prior art to have a kind of such limiter of speed, including base, bottom
Rope sheave and ratchet are equipped with by main axis on seat, the two ends of main shaft are arranged on base by bearing, the assembling of rope sheave rotation stop
On main shaft, main shaft drives rope sheave to rotate, and steel wire rope is arranged with rope sheave.The diameter of ratchet is being restricted less than the diameter of rope sheave
Ratchet is rotatably equipped with the wheel face of wheel, torsion spring is provided between ratchet and rope sheave, torsion spring is to Pawl Torsion so that pawl rotation
All the time there is the trend matched somebody with somebody with the draw-in groove card of ratchet, when ratchet is in free state, ratchet can be in clamping with ratchet
State, also rotate on rope sheave and be provided with location structure, location structure has a top pressure end, and the top pressure end top pressure is in ratchet
On so that normal condition of the ratchet in ratchet is decontroled, there is torsion spring between location structure and rope sheave, torsion spring is carried for location structure
Power for compressing ratchet, makes ratchet overcome torsion spring power thereon, keeps state detached with ratchet, is also rotatably equipped with rope sheave
Two gravity drop hammers, ratchet and location structure are in the side of rope sheave, and two gravity drop hammers are in the other side of rope sheave.Two gravity
Set-up mode of the hammer on rope sheave is centrosymmetric mode, and the center of rotation of gravity drop hammer is not located at two ends, one end of gravity drop hammer
Quality more greatly tup end, other end quality is less for hammer handle end, and between the hammer handle end of a gravity drop hammer and rope sheave pressure is provided with
Spring device, compression-spring device causes the tup end of gravity drop hammer to be in the centre of rope sheave, the tup portion of the gravity drop hammer with it is another
Pull bar is connected between the hammer handle portion of individual gravity drop hammer, the two ends of pull bar are hinged respectively with two gravity drop hammers, in rope sheave normal rotation
When, in the presence of compression-spring device, the tup portion of two gravity drop hammers is at the centre of rope sheave.In rope sheave overspeed operation
When, under the influence of centrifugal force, two gravity drop hammers can overcome the spring force of compression-spring device to open, and two tups all can turn to rope sheave
Edge, two hammer handles turn to rope sheave center.There is the triggering end through rope sheave on location structure, in the hammer of gravity drop hammer
When head turns to the outer rim of rope sheave, triggering end of the gravity drop hammer to projection in top pressure triggering end so that location structure overcomes its torsion spring
Power is rotated, and location structure compresses ratchet so that ratchet continues to be rotated to the direction away from ratchet, with the increase of rotation distance,
Location structure can decontrol ratchet, and ratchet is stuck in the presence of its torsion spring with ratchet, after location structure decontrols ratchet, spine
Pawl will cross location structure and keep off location structure in turn so that location structure can not reset, and at this moment, location structure is in torsion spring
Top pressure ratchet in the presence of power so that ratchet is reliably in the state with ratchet buckle, in this state, if moving spine
Pawl makes it persistently rotate to the direction rotation away from ratchet, and ratchet will be separated with location structure, and location structure is in its torsion spring
The lower return of effect.Brake press plate is rotatably equipped with the side of rope sheave on base, is set between the side of brake press plate and wheel face
Be equipped with connecting rod, one end of connecting rod and being hinged at for brake press plate, the other end and the wheel face of ratchet of connecting rod are hinged, ratchet with
After ratchet is fastened togather, ratchet follows rope sheave to rotate, and ratchet drives brake press plate to press to rope sheave when rotating by connecting rod, from
And realize the braking of rope sheave.The limiter of speed being suitable in prior art is typically all such limiter of speed, this limiter of speed
Ratchet needs to go to the position stuck with ratchet after falling could realize braking, need the regular hour, it is impossible to brake at any time, have
There is certain limitation.
Utility model content
The purpose of this utility model is to provide a kind of new unidirectional limiter of speed with speed monitoring, a kind of new to provide
Unidirectional limiter of speed.
In order to realize object above, the utility model is adopted the following technical scheme that：A kind of new list with speed monitoring
To limiter of speed, including base, main axis are provided with rope sheave on base, it is provided with gravity drop hammer, bottom on the wheel face of rope sheave side
The side of seat rotates the brake press plate for being provided with rope sheave, and the big friction wheel coaxial with rope sheave, rope sheave are also rotatably equipped with base
Little friction pulley is rotatably equipped with another side surface, little friction pulley is being restricted by the fixed part rolling assembling extended on its outer peripheral face
On wheel, being provided between little friction pulley and rope sheave makes little friction pulley turn to big friction wheel and be pressed in the torsion spring on big friction wheel,
Location structure is also rotatably equipped with the top of little friction pulley on the wheel face of rope sheave, being provided between location structure and rope sheave makes to determine
Bit architecture turns to the positioning torsion spring of fixed part, the follower head elastic top press-fit of location structure and fixed part make little friction pulley away from
Big friction wheel, is convexly equipped with when the tup of gravity drop hammer turns to the outer rim of rope sheave on location structure and gravity drop hammer press-fit causes to determine
Bit architecture overcomes the triggering end that positioning torsion spring power is disengaged with fixed part, triggering end to be passed through by the space on rope sheave wheel face, big friction
It is hinged with wheel when big friction wheel is engaged with little friction pulley and pulls brake press plate to make it compress the connecting rod of rope sheave, connecting rod gap is worn
It is located on brake press plate, the spacing cooperation in both sides of connecting rod and brake press plate, big friction wheel is away from coaxial on the wheel face of gravity drop hammer
Disc is fixedly installed, the outer rim position of disc is laid with self-resetting switch, each self-resetting switch is in one of disc together
On the circumference of heart circle, the lever of each self-resetting switch stretches to inner side, and the free end of each lever be in disc respectively one group is concentric
On round circumference, gravity drop hammer touches successively each self-resetting switch during opening.
Rectangular channel, the bearing of trend of rectangular channel and the axial direction one of big friction wheel are offered on the wheel face of described big friction wheel
Cause.
Described little friction pulley is ellipse, and a longitudinal end of little friction pulley stretches to big friction wheel.
Described connecting rod is passed and be arranged with the part of brake press plate stage clip, and one end of stage clip is pressed on brake press plate,
The other end is pressed in the top splenium arranged on the termination of connecting rod.
Braking of the present utility model uses big friction wheel and little friction pulley, once hypervelocity occurs in rope sheave, gravity drop hammer is just
Location structure can be triggered, little friction pulley will fall and be pressed on big friction wheel, two friction pulleys can be engaged moment, without the time
Postpone, in addition, the utility model is a kind of brand-new structure, there is provided a kind of new unidirectional limiter of speed.
Description of the drawings
Fig. 1 is that the utility model embodiment removes the structural representation after disc；
Fig. 2 is the installation diagram of rope sheave in Fig. 1, big friction wheel, little friction pulley and disc；
Fig. 3 is the installation diagram of the rope sheave, big friction wheel and little friction pulley in Fig. 1；
Fig. 4 is the three-dimensional installation diagram of the rope sheave, big friction wheel and little friction pulley in Fig. 1.
Specific embodiment
A kind of embodiment of the new unidirectional limiter of speed with speed monitoring, in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, its bottom
Rope sheave 2 and big friction wheel 3 are equipped with by main axis on seat 1, the two ends of main shaft are arranged on base 1 by bearing, rope sheave 2
Rotation stop is assemblied on main shaft, and main shaft drives rope sheave 2 to rotate, and steel wire rope is arranged with rope sheave.Big friction wheel 3 is to be set in main shaft
On, not with main axis, the diameter of big friction wheel 3 is equipped with less than the diameter of rope sheave 2 in the side surface pivots of rope sheave 2
Little friction pulley 4, little friction pulley 4 is mounted on rope sheave 2 by being extended on fixed part rotation on its outer peripheral face, in little friction
Torsion spring is provided between wheel 4 and rope sheave 2, torsion spring gives the torsion of little friction pulley 4 so that little friction pulley 4 has all the time the big friction of steering
The trend of wheel 3, when little friction pulley 4 is in free state, in the presence of torsion spring, little friction pulley 4 can be pressed in big friction
On wheel 3, also rotate on rope sheave 2 and be provided with location structure 5, be determining that ratchet is positioned in location structure here and prior art
The structure of bit architecture is identical, and location structure 5 is on the termination of fixed part so that little friction pulley is in away from big friction wheel
Normal condition, also has torsion spring between location structure 5 and rope sheave 2, torsion spring is the power that location structure 5 provides the portion that is fixed, and is made
Little friction pulley 4 overcomes torsion spring power thereon, keep and the detached normal condition of big friction wheel 3, be also rotatably equipped with rope sheave 2
Two gravity drop hammers 6, little friction pulley 4 and location structure 5 are in the side of rope sheave, and two gravity drop hammers 6 are in other the one of rope sheave 2
Side.The set-up mode of two gravity drop hammers 6 on rope sheave is centrosymmetric mode, and the center of rotation of gravity drop hammer 6 is not located at two ends,
One end quality of gravity drop hammer 6 more greatly tup end, other end quality is less for hammer handle end, hammer handle end and the rope of a gravity drop hammer 6
Compression-spring device is provided between wheel 2, compression-spring device causes the tup end of gravity drop hammer to be in the centre of rope sheave, in the gravity drop hammer
Tup portion and the hammer handle portion of another gravity drop hammer between be connected with pull bar, the two ends of pull bar are hinged respectively with two gravity drop hammers 6,
In 2 normal rotation of rope sheave, in the presence of compression-spring device, the tup portion of two gravity drop hammers 6 is at the central part of rope sheave 2
Position.In 2 overspeed operation of rope sheave, under the influence of centrifugal force, two gravity drop hammers 6 can overcome the spring force of compression-spring device to open,
Two tups all can turn to the edge of rope sheave 2, and two hammer handles turn to the center of rope sheave.Triggering end is convexly equipped with location structure 5,
Triggering end passes through rope sheave 2, and when the tup of gravity drop hammer turns to the outer rim of rope sheave, gravity drop hammer is to top pressure triggering end so that positioning knot
Structure overcomes the power of its torsion spring to rotate, and location structure 5 compresses little friction pulley 4 so that little friction pulley 4 continues to away from big friction wheel 3
Direction rotate, with the increase of rotation distance, location structure 5 can decontrol little friction pulley 4, work of the little friction pulley 4 in its torsion spring
It is pressed on under on big friction wheel 3, after location structure 5 decontrols little friction pulley 4, it is anti-that little friction pulley 4 will cross location structure 5
Come over to keep off location structure 5 so that location structure 5 can not reset, at this moment, the top pressure in the presence of torsion spring power of location structure 5 is little
Friction pulley 4 so that little friction pulley 4 is reliably in the state with the buckle of big friction wheel 3, in this state, if moved little
Friction pulley 4 makes it persistently rotate to the direction rotation away from big friction wheel 3, and little friction pulley 4 will be separated with location structure 5, fixed
The return in the presence of its torsion spring of bit architecture 5, decontrols little friction pulley 4, and location structure 5 will be positioned with little friction pulley 4.In base 1
On be rotatably equipped with brake press plate 7 in the side of rope sheave 2, be provided between the side of brake press plate 7 and the wheel face of big friction wheel
Connecting rod 8, the other end of connecting rod 8 is hinged with the wheel face of big friction wheel, and the other end of connecting rod 8 is opened up by the free end of brake press plate 7
Slide opening in pass through, connecting rod 8 and slide opening gap coordinate, and connecting rod 8 is passed and be arranged with the part of slide opening stage clip 9, the upper end of stage clip 9
In the top splenium 10 that the axis of guide is arranged, the lower end top pressure of stage clip 9 is on brake press plate 7 for top pressure.Due to connecting rod 8 and slide opening gap
Coordinate, so, can relatively rotate between connecting rod 8 and brake press plate 7.Here connecting rod 8 its actually tabular, with brake press plate
One end of cooperation is round bar, and connecting rod tabular partial width is more than the diameter of round bar part, so both junctions, plate portion
Just extend to outside the side face at round bar position, and, the diameter in the hole coordinated with connecting rod on brake press plate is also to compare plate-like portion
The width for dividing is little, and so, plate portion has the spacing cooperation in the side of brake press plate, and the termination of connecting rod is pressed with braking
The opposite side of plate passes through the spacing cooperation of stage clip.
Rectangular channel, the bearing of trend of rectangular channel and axial consistent, the square of big friction wheel are offered on the wheel face of big friction wheel
The groove depth of shape groove is the well width of far smaller than rectangular channel, the presence of rectangular channel can increase big friction wheel and little friction pulley it
Between friction pulley cause both occlusions relatively reliable.
Little friction pulley 4 is ellipse, and a longitudinal end of little friction pulley 4 is stretched to big friction wheel 3, so can ensure that size
Friction pulley can reliably mesh together.
Disc 11 is coaxially fixedly installed on wheel face of the big friction wheel 3 away from gravity drop hammer 6, disc 11 is sheet ring body,
Fixed calvus is radially laid with the inner hole wall of disc 11, fixed calvus is fixed by screws on disc.The outer rim of disc 11
Connection sheet 13 is laid with, connection sheet 13 is wholely set with disc 11, and connection sheet 13 is coplanar with disc 11, each connection sheet 13
On be fixed with self-resetting switch 14, each self-resetting switch 14 is on a circumference, and this circumference is same for one of disc 11
The heart is justified, and the lever 12 of each self-resetting switch 14 stretches to inner side, and the free end of each lever 12 is in respectively the circumference of one group of concentric circles
On, this group of concentric circles is the concentric circles of disc, and gravity drop hammer touches successively each self-resetting switch 14, thick stick during opening
First touching for bar length, touches after lever is short.
Big friction wheel in the present embodiment is columned, and little friction pulley is elliptic cylindrical shape, both friction pulley, two
The occlusion of person is realized by frictional force, here, after little friction pulley is pressed on big friction wheel, if little friction pulley and rope
Torsion spring between wheel causes the little friction pulley to be to the pressure of big friction wheel：F；Coefficient of friction between big friction wheel and little friction pulley
For μ；Little friction pulley is respectively relative to the center of rotation of rope sheave to the tangent line at point of contact and the distance of normal of size friction pulley：L1
And L2, then, the occlusion condition of big friction wheel and little friction pulley is：F μ L1 ＞ FL2, i.e. μ L1 ＞ L2, otherwise, size friction pulley
Will be unable to engagement, then, when size friction pulley is engaged, it will be appreciated by those skilled in the art that needing to meet a upper condition.
The differing only in spine between individual event limiter of speed of the prior art of the individual event limiter of speed in the present embodiment
Wheel, ratchet have changed respectively big friction wheel and little friction pulley into, and it is just the same with structure.
The present embodiment be according to illustrating of making to the utility model, be not to restriction of the present utility model,
The function in appended claims, corresponding structure is not needed to be not provided with other embodiments.
It is any that this practicality is fallen within to the technical scheme that technical characteristic of the present utility model is carried out obtained by equivalent newly
The scope of type protection.
Claims (4)
1. a kind of new unidirectional limiter of speed with speed monitoring, including base, rope sheave is provided with base by main axis,
Gravity drop hammer is provided with the wheel face of rope sheave side, the side of base rotates the brake press plate for being provided with rope sheave, it is characterised in that：Base
On be also rotatably equipped with the big friction wheel coaxial with rope sheave, little friction pulley, little friction are rotatably equipped with another side surface of rope sheave
By the fixed part rolling assembling of extension on its outer peripheral face on rope sheave, be provided between little friction pulley and rope sheave makes little friction to wheel
The torsion spring on big friction wheel is rotated to big friction wheel and is pressed in, in the top of little friction pulley also rolling assembling on the wheel face of rope sheave
Have location structure, be provided between location structure and rope sheave make location structure turn to fixed part positioning torsion spring, location structure with
The follower head elastic top press-fit of fixed part makes little friction pulley away from big friction wheel, and the hammer in gravity drop hammer is convexly equipped with location structure
Location structure is caused to overcome positioning torsion spring power with touching that fixed part is disengaged with gravity drop hammer press-fit when head turns to the outer rim of rope sheave
Originator, triggering end is passed through by the space on rope sheave wheel face, is hinged with big friction wheel when big friction wheel is engaged with little friction pulley
Brake press plate is pulled to make it compress the connecting rod of rope sheave, connecting rod gap is located on brake press plate, the both sides of connecting rod and brake press plate
Spacing cooperation, big friction wheel is laid with away from disc, the outer rim position of disc is coaxially fixedly installed on the wheel face of gravity drop hammer
Self-resetting switch, each self-resetting switch is on the circumference of a concentric circles of disc, and the lever of each self-resetting switch stretches to
Inner side, the free end of each lever is in respectively on the circumference of one group of concentric circles of disc, and gravity drop hammer is touched successively during opening
Touch each self-resetting switch.
2. the new unidirectional limiter of speed with speed monitoring according to claim 1, it is characterised in that：Described big friction
Rectangular channel is offered on the wheel face of wheel, the bearing of trend of rectangular channel is axial consistent with big friction wheel.
3. the new unidirectional limiter of speed with speed monitoring according to claim 1 and 2, it is characterised in that：Described is little
Friction pulley is ellipse, and a longitudinal end of little friction pulley stretches to big friction wheel.
4. the new unidirectional limiter of speed with speed monitoring according to claim 3, it is characterised in that：Described connecting rod is worn
Go out on the part of brake press plate and be arranged with stage clip, one end of stage clip is pressed on brake press plate, and the other end is pressed on the end of connecting rod
In the top splenium arranged on head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620664124.4U CN206126542U (en) | 2016-06-29 | 2016-06-29 | Novel one -way speed governor who has speed control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620664124.4U CN206126542U (en) | 2016-06-29 | 2016-06-29 | Novel one -way speed governor who has speed control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206126542U true CN206126542U (en) | 2017-04-26 |
Family
ID=58560963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620664124.4U Expired - Fee Related CN206126542U (en) | 2016-06-29 | 2016-06-29 | Novel one -way speed governor who has speed control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206126542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947828A (en) * | 2016-06-29 | 2016-09-21 | 西继迅达（许昌）电梯有限公司 | Novel one-way speed limier with speed monitoring function |
-
2016
- 2016-06-29 CN CN201620664124.4U patent/CN206126542U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947828A (en) * | 2016-06-29 | 2016-09-21 | 西继迅达（许昌）电梯有限公司 | Novel one-way speed limier with speed monitoring function |
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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 |
Granted publication date: 20170426 Termination date: 20180629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |