CN206126541U - Novel it is one -way from restoring to throne overspeed governor - Google Patents
Novel it is one -way from restoring to throne overspeed governor Download PDFInfo
- Publication number
- CN206126541U CN206126541U CN201620664123.XU CN201620664123U CN206126541U CN 206126541 U CN206126541 U CN 206126541U CN 201620664123 U CN201620664123 U CN 201620664123U CN 206126541 U CN206126541 U CN 206126541U
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- CN
- China
- Prior art keywords
- rope sheave
- friction pulley
- wheel
- location structure
- friction wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a novel it is one -way from restoring to throne overspeed governor, 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, the small friction wheel epirelief is equipped with the lifting release link. 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 Self-resetting limiter of speed, to provide a kind of new unidirectional limit
Fast device.
In order to realize object above, the utility model is adopted the following technical scheme that：A kind of new unidirectional Self-resetting limiter of speed,
Including base, main axis are provided with rope sheave on base, gravity drop hammer is provided with the wheel face of rope sheave side, the side of base turns
The dynamic brake press plate for being provided with rope sheave, is also rotatably equipped with the big friction wheel coaxial with rope sheave, another side surface of rope sheave on base
On be rotatably equipped with little friction pulley, little friction pulley by the fixed part rolling assembling that extends on its outer peripheral face on rope sheave, it is little to rub
Wiping to be provided between wheel and rope sheave makes little friction pulley turn to big friction wheel and be pressed in the torsion spring on big friction wheel, in the wheel face of rope sheave
On be also rotatably equipped with location structure in the top of little friction pulley, being provided between location structure and rope sheave turns to location structure
The positioning torsion spring of fixed part, location structure makes little friction pulley away from big friction wheel with the follower head elastic top press-fit of fixed part,
It is convexly equipped with location structure when the tup of gravity drop hammer turns to the outer rim of rope sheave with gravity drop hammer press-fit so that location structure gram
The triggering end that clothes positioning torsion spring power is disengaged with fixed part, triggering end is passed through by the space on rope sheave wheel face, is hinged on big friction wheel
Have when big friction wheel is engaged with little friction pulley and pull brake press plate to make it compress the connecting rod of rope sheave, connecting rod gap is located in braking
On pressing plate, the spacing cooperation in both sides of connecting rod and brake press plate is convexly equipped with the hammer handle steering rope sheave in gravity drop hammer on little friction pulley
Wheel rim when with the hammer handle top pressure of gravity drop hammer little friction pulley is separated with big friction wheel and causes the lifting that location structure resets
Release link.
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 the overall structure diagram of the utility model embodiment；
Fig. 2 is the installation diagram of the rope sheave, big friction wheel and little friction pulley in Fig. 1；
Fig. 3 is the rearview of Fig. 2；
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 new unidirectional Self-resetting limiter of speed, in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, passes through on its base 1
Main axis are equipped with rope sheave 2 and big friction wheel 3, and the two ends of main shaft are arranged on base 1 by bearing, the assembling of the rotation stop of rope sheave 2
On main shaft, main shaft drives rope sheave 2 to rotate, and steel wire rope is arranged with rope sheave.Big friction wheel 3 is set on main shaft, no
With main axis, the diameter of big friction wheel 3 is equipped with little friction pulley less than the diameter of rope sheave 2 in the side surface pivots of rope sheave 2
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 pulley 4 and rope
Torsion spring is provided between wheel 2, torsion spring gives the torsion of little friction pulley 4 so that little friction pulley 4 has all the time becoming for steering big friction wheel 3
Gesture, when little friction pulley 4 is in free state, in the presence of torsion spring, little friction pulley 4 can be pressed on big friction wheel 3,
Also rotate on rope sheave 2 and be provided with location structure 5, be the location structure of ratchet positioning in location structure here and prior art
Structure is identical, and location structure 5 is on the termination of fixed part so that little friction pulley is in the normal shape away from big friction wheel
State, 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 so that little to rub
Wiping wheel 4 overcomes torsion spring power thereon, keeps and the detached normal condition of big friction wheel 3, and two weights are also rotatably equipped with rope sheave 2
Power hammer 6, little friction pulley 4 and location structure 5 are in the side of rope sheave, and two gravity drop hammers 6 are in the other side of rope sheave 2.Two
Set-up mode of the gravity drop hammer 6 on rope sheave is centrosymmetric mode, and the center of rotation of gravity drop hammer 6 is not located at two ends, gravity drop hammer 6
One end quality more greatly tup end, other end quality is less for hammer handle end, between the hammer handle end of a gravity drop hammer 6 and rope sheave 2
Compression-spring device is provided with, compression-spring device causes the tup end of gravity drop hammer to be in the centre of rope sheave, in the tup of the gravity drop hammer
Pull bar is connected between portion and the hammer handle portion of another gravity drop hammer, the two ends of pull bar are hinged respectively with two gravity drop hammers 6, in rope sheave
During 2 normal rotation, in the presence of compression-spring device, the tup portion of two gravity drop hammers 6 is at the centre of rope sheave 2.In rope
When taking turns 2 overspeed operation, under the influence of centrifugal force, two gravity drop hammers 6 can overcome the spring force of compression-spring device to open, two tup meetings
The edge of rope sheave 2 will be turned to, two hammer handles turn to the center of rope sheave.Triggering end is convexly equipped with location structure 5, triggering end is worn
Rope sheave 2 is crossed, 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 location structure overcomes it
The power of torsion spring is rotated, and location structure 5 compresses little friction pulley 4 so that little friction pulley 4 continues to turn to the direction away from big friction wheel 3
Dynamic, with the increase of rotation distance, location structure 5 can decontrol little friction pulley 4, and little friction pulley 4 is compressed in the presence of its torsion spring
On big friction wheel 3, after location structure 5 decontrols little friction pulley 4, little friction pulley 4 will cross location structure 5 and keep off in turn
Location structure 5 so that location structure 5 can not reset, at this moment, the little friction pulley 4 of the top pressure in the presence of torsion spring power of location structure 5,
So that little friction pulley 4 is reliably in the state with the buckle of big friction wheel 3, in this state, if move little friction pulley 4 made
It rotates to the direction away from big friction wheel 3 and persistently rotates, and little friction pulley 4 will be separated with location structure 5, and location structure 5 exists
Return in the presence of its torsion spring, decontrols little friction pulley 4, and location structure 5 will be positioned with little friction pulley 4.In rope sheave 2 on base 1
Side be rotatably equipped with brake press plate 7, connecting rod 8, connecting rod are provided between the side of brake press plate 7 and the wheel face of big friction wheel
8 other end is hinged with the wheel face of big friction wheel, wears in the slide opening that the other end of connecting rod 8 is opened up by the free end of brake press plate 7
Cross, connecting rod 8 coordinates with slide opening gap, connecting rod 8 is passed and be arranged with the part of slide opening stage clip 9, the upper end top pressure of stage clip 9 is being oriented to
In the top splenium 10 that axle is arranged, the lower end top pressure of stage clip 9 is on brake press plate 7.Because 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, in the one end coordinated with brake press plate
For round bar, more than the diameter of round bar part, both such junction, plate portion just extends to connecting rod tabular partial width
Outside the side face at round bar position, and, the diameter in the hole coordinated with connecting rod on brake press plate is also less than the width of plate portion
, so, plate portion has a spacing cooperation in the side of brake press plate, and the opposite side of the termination of connecting rod and brake press plate
By 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.
Be convexly equipped with lifting release link 11 on little friction pulley 4, lifting release link 11 perpendicular to rope sheave 2 wheel face, here
Rope sheave 2 is wheel hub dress, is exactly wheel rim, there is core wheel, and an entirety, lifting release link are linked to be by spoke between core wheel and wheel rim
11 between two spokes by passing through, and offers functional hole 12 on the hammer handle of gravity drop hammer 6, lifting release link 11 by two spokes it
Between pass through after again by passing through in functional hole 12.On the hammer handle of gravity drop hammer 6 by being located in functional hole 12 in helicitic texture fix
There is top pressure wheel 13, when gravity drop hammer 6 resets, that is, when the hammer handle of gravity drop hammer 6 turns to the wheel rim of rope sheave 2, the meeting of top pressure wheel 13
Top pressure lifting release link 11, that is, drive little friction pulley 4 it is persistently rotated to the direction away from big friction wheel 3, little friction
Wheel 4 will be separated with location structure 5, the return in the presence of it positions torsion spring of location structure 5, at this moment decontrol little friction pulley 4, fixed
Bit architecture 5 will be positioned with little friction pulley 4, and both are returned to original state, realize automatically reseting for little friction pulley 4.
Because lifting release link 11 is the functional hole 12 through on the hammer handle of gravity drop hammer 6, in motion process, lifting resets
Bar 11 can be moved relative to the hammer handle of gravity drop hammer 6, so functional hole 12 needs have the avoidance part for avoiding lifting release link 11,
Avoiding part can cause lifting release link 11 to move freely relative to gravity drop hammer 6.
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 Self-resetting limiter of speed, including base, rope sheave, rope sheave side are provided with base by main axis
Gravity drop hammer is provided with wheel face, the side of base rotates the brake press plate for being provided with rope sheave, it is characterised in that：Also rotate on base
The big friction wheel coaxial with rope sheave is equipped with, little friction pulley is rotatably equipped with another side surface of rope sheave, little friction pulley passes through it
On rope sheave, be provided between little friction pulley and rope sheave makes little friction pulley turn to greatly to the fixed part rolling assembling extended on outer peripheral face
Friction pulley is simultaneously pressed in the torsion spring on big friction wheel, and positioning knot is also rotatably equipped with the top of little friction pulley on the wheel face of rope sheave
Structure, is provided with the positioning torsion spring for making location structure turn to fixed part, location structure and fixed part between location structure and rope sheave
Follower head elastic top press-fit makes little friction pulley away from big friction wheel, and the tup steering rope in gravity drop hammer is convexly equipped with location structure
Location structure is caused to overcome the triggering end of positioning torsion spring power and fixed part disengagement, triggering with gravity drop hammer press-fit during the outer rim of wheel
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 and is pulled braking pressure
Plate makes it compress the connecting rod of rope sheave, and connecting rod gap is located on brake press plate, the spacing cooperation in both sides of connecting rod and brake press plate,
It is convexly equipped with little friction pulley when the hammer handle of gravity drop hammer turns to the wheel rim of rope sheave with the hammer handle top pressure of gravity drop hammer so that little friction pulley
The lifting release link for separating and causing location structure to reset with big friction wheel.
2. new unidirectional Self-resetting limiter of speed according to claim 1, it is characterised in that：The wheel face of described big friction wheel
On offer rectangular channel, the bearing of trend of rectangular channel is axial consistent with big friction wheel.
3. new unidirectional Self-resetting limiter of speed according to claim 1 and 2, it is characterised in that：Described little friction pulley is
Ellipse a, longitudinal end of little friction pulley stretches to big friction wheel.
4. new unidirectional Self-resetting limiter of speed according to claim 3, it is characterised in that：Described connecting rod passes braking pressure
Stage clip is arranged with the part of plate, one end of stage clip is pressed on brake press plate, the other end is pressed on the termination of connecting rod and arranges
Top splenium on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620664123.XU CN206126541U (en) | 2016-06-29 | 2016-06-29 | Novel it is one -way from restoring to throne overspeed governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620664123.XU CN206126541U (en) | 2016-06-29 | 2016-06-29 | Novel it is one -way from restoring to throne overspeed governor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206126541U true CN206126541U (en) | 2017-04-26 |
Family
ID=58560946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620664123.XU Expired - Fee Related CN206126541U (en) | 2016-06-29 | 2016-06-29 | Novel it is one -way from restoring to throne overspeed governor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206126541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109720957A (en) * | 2017-10-27 | 2019-05-07 | 奥的斯电梯公司 | Actuator, Remote triggering device, limiter of speed and elevator |
-
2016
- 2016-06-29 CN CN201620664123.XU patent/CN206126541U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109720957A (en) * | 2017-10-27 | 2019-05-07 | 奥的斯电梯公司 | Actuator, Remote triggering device, limiter of speed and elevator |
| CN109720957B (en) * | 2017-10-27 | 2021-11-02 | 奥的斯电梯公司 | Actuator, remote triggering device, speed limiter and elevator |
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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 |