CN206814180U - A kind of two-way governor for elevator - Google Patents
A kind of two-way governor for elevator Download PDFInfo
- Publication number
- CN206814180U CN206814180U CN201720322671.9U CN201720322671U CN206814180U CN 206814180 U CN206814180 U CN 206814180U CN 201720322671 U CN201720322671 U CN 201720322671U CN 206814180 U CN206814180 U CN 206814180U
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- cam
- elevator
- arm
- roller
- swing arm
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Abstract
It the utility model is related to a kind of two-way governor for elevator, including side plate, rope sheave, the coaxially connected cam with the rope sheave, the chuck being connected with the cam coaxial, swing arm, the roller being connected with the swing arm end, the elastomeric element being connected with the swing arm, the rocking arm swing rod and lock car being connected with the swing arm, the cam is generally aligned in the same plane interior with the roller, the distance at the center of the roller to the center of the cam is equal to the radius of the roller and the maximum radius sum of the cam, the lock car includes lock roof panels and the lock car swing rod being connected with the lock roof panels, the position of the lock roof panels and the position of the rocking arm swing rod match.Two-way governor for elevator provided by the utility model, it is brake hard when elevator overspeed traveling can be achieved directly using chuck, cam and swing arm, production cost is low.
Description
Technical field
A kind of technical field of elevator equipment is the utility model is related to, in particular it relates to a kind of two-way governor for elevator.
Background technology
Accidental movement of elevator cage refers to car in onlocking zone and under door opening state, and car leaves stop without instruction
Mobile, in order to prevent car accidental movement, the linkage principle of generally use limiter of speed and safety tongs is protected, and at present, is commonly used
Limiter of speed be required to use rope brake, but rope brake is typically only capable to control the phenomenon of elevator overspeed descending, on elevator
Row hypervelocity causes the phenomenon that it is rushed to summit, still uncontrollable, when up hypervelocity, which occurs, for elevator causes its phenomenon rushed to summit to occur, to boarding
Personnel bring great injury；On the other hand, need a set of counterweight is installed on counterweight system using the limiter of speed of rope brake special
Limiter of speed and safety tongs, this mode undoubtedly add the more cost of elevator, therefore, it is necessary to propose that a kind of elevator is used
Bidirectional speed limiter, solves problem above.
The utility model proposes a kind of two-way governor for elevator, can limit elevator two way speed, security performance
Height, production cost are low.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of two-way governor for elevator, and it is two-way can to limit elevator
Travel speed, security performance is high, and production cost is low.
In order to solve the above-mentioned technical problem, the utility model proposes a kind of two-way governor for elevator, including side plate, rope
Wheel, the cam coaxially connected with the rope sheave, the chuck being connected with the cam coaxial, swing arm, it is connected with the swing arm end
The roller that connects, the elastomeric element being connected with the swing arm, the rocking arm swing rod and lock car being connected with the swing arm, it is described convex
In wheel and the roller are generally aligned in the same plane, the distance at center to the center of the cam of the roller is equal to the roller
The maximum radius sum of radius and the cam, the lock car include lock roof panels and the lock being connected with the lock roof panels
Car swing rod, the position of the lock roof panels and the position of the rocking arm swing rod match.
Preferably, the cam is in class rectangle, curved, the arc of the cam at four angles of the class rectangle cam
The distance that center reaches the cam center is L, and L is more than other regions on the edge of the cam and reaches the cam center
Distance；
The maximum radius of the cam is less than the radius of the rope sheave.
Preferably, it is provided with fastener on side relative with the swing arm on the chuck.
Preferably, the quantity of the fastener is four, position and the least radius on the cam of four fasteners
Position match.
Preferably, the swing arm includes two arm of forces, and the end of described two arm of forces is respectively arranged with through hole.
Preferably, the roller is connected with the through hole on one of arm of force.
Preferably, the elastomeric element is connected with the through hole on another arm of force.
Preferably, the elastomeric element is spring.
Preferably, it is provided with elastic mechanism on the lock car swing rod.
Preferably, the rope sheave is rounded, and grooving is provided with its side.
Compared with prior art, the beneficial effects of the utility model are：
1st, two-way governor for elevator provided by the utility model, frictional force is passed through between the cam and the roller
Effect, described in cam driven roller roll, it is unrelated with the rotation direction of cam, no matter therefore when elevator overspeed it is descending or hypervelocity on
OK, brake hard during elevator overspeed traveling can be achieved.
2nd, two-way governor for elevator provided by the utility model, without using rope brake, needed with tradition using folder rope
The limiter of speed needs of device are installed the special limiter of speed of a set of counterweight on counterweight system and compared with safety tongs, electricity of the present utility model
Ladder is that brake hard when elevator overspeed travels, production can be achieved directly using chuck, cam and swing arm with bidirectional speed limiter
Cost is low.
Brief description of the drawings
Fig. 1 is the exploded view of two-way governor for elevator provided by the utility model；
Fig. 2 is the structural representation of two-way governor for elevator provided by the utility model；
Fig. 3 is the schematic diagram of the part-structure of two-way governor for elevator provided by the utility model.
Embodiment
In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with the accompanying drawings with it is excellent
Selecting embodiment, the utility model is described in further detail.
As Figure 1-3, a kind of two-way governor for elevator, including it is side plate 1, rope sheave 2, coaxially connected with the rope sheave 2
Cam 3, the chuck 4 coaxially connected with the cam 3, swing arm 5, the roller 6 being connected with the end of swing arm 5, with it is described
Elastomeric element 7 that swing arm 5 is connected, the rocking arm swing rod 8 and lock car 9 being connected with the swing arm 5, the roller 6 with it is described
In cam 3 is generally aligned in the same plane, the distance at center to the center of the cam 3 of the roller 6 is equal to the radius of the roller 6
With the maximum radius sum of the cam 3, the lock car 9 includes lock roof panels 91 and is connected with the lock roof panels 91
Lock car swing rod 92, the position of the lock roof panels 91 and the position of the rocking arm swing rod 8 match.
The quantity of the side plate 1 is two, for supporting the rope sheave 2, cam 3 and chuck 4, is set on the side plate
There is connecting hole 11, by connecting rope sheave 2 described in axis connection, cam 3 and chuck 4, connecting shaft is through the connecting hole 11, rope sheave
The center at 2 center, the center of cam 3 and chuck 4.
The rope sheave 2 is rounded, and grooving 21 is provided with its side, for the steel wire rope of traction elevator, elevator wire rope
Sliding speed it is equal with the velocity of rotation of the rope sheave 2.
The cam 3 and the rope sheave 2 are coaxially connected, i.e., described cam 3 and the synchronous axial system of rope sheave 2, the present embodiment
In, the cam 3 is in class rectangle, curved at four angles of the class rectangle cam, and the arc center of the cam reaches institute
The distance for stating the center of cam 3 is L, and it is more than the distance that other regions on the edge of the cam 3 reach the cam center, institute
The maximum radius for stating cam 3 is less than the radius of the rope sheave 2.
The chuck 4 and the cam 3 are coaxially connected, the chuck 4 and the synchronous axial system of cam 3, i.e., described rope sheave
2nd, cam 3 and chuck 4 are coaxially connected, synchronous axial system, and the rotation direction and speed of the rope sheave 2, cam 3 and chuck 4 are equal.
It is provided with some fasteners 41 on the chuck 4 on the side relative with the swing arm 5, in the present embodiment, the number of the fastener 41
Measure as four, after the two-way governor for elevator installation, on the position of four fasteners 41 and the cam 3 most
The position of minor radius matches.
The swing arm 5 is arranged at the bottom of the side plate 1, passes through elastomeric element 7 between the swing arm 5 and the side plate 1
It is connected, the swing arm 5 swings under force, and the swing arm 5 includes two arm of forces 51, described two arm of forces 51
End is respectively arranged with through hole, and the swing arm 5 is made up of high duty metal material, when being easy to the elevator overspeed to travel, brake hard
Elevator, when the swing arm 5 is waved, the center to chuck 4 of the end of its arm of force 51 is moved, now same with the rope sheave 2
The chuck 4 of axis connection is in rotary state, described when the fastener 41 on the chuck 4 turns to the end of the arm of force 51
The fastener 41 is just withstood in the end of the arm of force 51, coaxially connected with the chuck 4 so as to force the chuck 4 to stop operating
Cam 3 and the also stop motion of rope sheave 2, the steel wire rope stop motion in rope sheave 2, so that lift car stop motion.
The roller 6 is connected with the through hole on one of arm of force 51, leads between the roller 6 and the through hole
Hole connects axis connection, and roller 6 is rolled centered on connecting shaft, after the two-way governor for elevator installation, the roller 6
In being generally aligned in the same plane with the cam 3, the distance at center to the center of the cam 3 of the roller 6 is equal to the roller 6
Radius and the cam 3 maximum radius sum, i.e., when being in contact at the maximum radius of the cam 3 with the roller 6,
Roller 6 follows the cam 3 to roll, and because the through hole of the swing arm 5 is connected with the roller 6, therefore the roller 6 follows institute
When stating the rolling of cam 3, the oscillating motion of swing arm 5 is driven.
The through hole that the elastomeric element 7 is arranged on another arm of force 51 is connected, in the present embodiment, the elasticity
Part 7 is spring；During original state, when the swing arm 5 is in non-swinging condition, the elastomeric element 7 is in undeformed state；
When the swing arm 5 is in swinging condition because of external force, the elastomeric element 7 is oppressed or stretched, so that the elastic portion
Part 7 produces deformation, and after external force disappears, the elastomeric element 7 after deformation recovers to original state in the presence of elastic restoring force
So as to which the swing arm 5 is returned into original state.
One end of the rocking arm swing rod 8 is connected with the swing arm 5, when the rocking arm swing rod 8 moves under force
When, the swing arm 5 being connected with the rocking arm swing rod 8 is waved, and when waving to certain position, the end of the swing arm 5 is withstood
The fastener 41, so as to force the chuck 4 to stop operating, coaxially connected cam 3 and rope sheave 2 also stop with the chuck 4
Motion, rope sheave 2 stops steel wire rope motion, so that lift car stop motion.
The lock car 9 includes lock roof panels 91 and the lock car swing rod 92 being connected with the lock roof panels 91, the lock
The position of roof panels 91 and the position of the rocking arm swing rod 92 match, and one end of the lock car swing rod 92 is provided with elastic mechanism
921, during elevator normal operating condition, the elastic mechanism 921 is at confined state by Electric control, so that
Obtain and be in contact between the lock roof panels 91 that the lock car swing rod 92 is connected and the rocking arm swing rod 8, but it does not have between each other
Strong effect, when unexpected power-off, the elastic mechanism 921 loses Electric control, extensive so as to make in the presence of restoring force
Multiple motion, the length elongation of lock car swing rod 8 described herein, the lock roof panels 91 being connected with the lock car swing rod 8 travel forward,
So as to which the rocking arm swing rod 8 being in contact with the lock roof panels 91 is promoted, the swing arm 5 being connected with the rocking arm swing rod 8 is shaken
Pendulum, the end of the swing arm 5 are moved to the center of chuck 4, and the fastener 41 on the chuck 4 moves to the end of the swing arm 5
During end, withstood by the end of the swing arm 5, so as to force the chuck 4 to stop operating, with coaxially connected convex of the chuck 4
Wheel and rope sheave also stop motion, rope sheave stops steel wire rope motion, so that lift car stop motion.
Two-way governor for elevator provided by the utility model, when elevator normal operation, lift car normally travel, with
The steel wire rope normal operation that lift car is connected, steel wire rope is located inside the grooving 21 of the rope sheave 2, therefore the rope sheave 2 is just
Often rotate, now, coaxially connected cam 3 and chuck 4 and the synchronous axial system of rope sheave 2 with the rope sheave, when the cam 3
When being turned at maximum radius at the roller 6, roller 6 rolls in the presence of the frictional force at the maximum radius of cam 3, makes
Obtain the swing arm 5 being connected with the roller 6 and make oscillating motion, stretch or oppress with the elastomeric element 7 of the other end of swing arm 5
Afterwards, due to elastomeric element 7 elastic restoring force effect, and the swing arm 5 is returned to original state, elastomeric element 7 will be put
It is identical with turning to time at roller 6 at the maximum radius of the cam 3 that arm is returned to time of original state, therefore when described
When swing arm 5 is in original state, just turned at roller 6 at the maximum radius of the cam 3, such circular flow.
When lift car is driven over the speed limit, the steel wire rope being connected with the lift car is driven over the speed limit, due to steel wire rope
Inside the grooving of the rope sheave 2, therefore rope sheave 2, in the presence of steel wire rope, overspeed rotation is coaxially connected with the rope sheave 2
Cam 3 and the overspeed rotation of chuck 4, therefore the time reached at the maximum radius of cam 3 at roller 6 shorten, but elastomeric element 7
Restoring force it is constant, therefore when the swing arm 5 is not also returned to original state by the elastomeric element 7, the cam 3 maximum half
Remake at footpath and continue to wave in the presence of roller for roller 6, the swing arm 5 so that the arm of force end of the swing arm 5 is to card
The center of disk 4 is moved, and now chuck 4 is still being rotated, therefore the fastener on chuck 4 is withstood by the end of the arm of force, so as to force
State chuck 4 to stop operating, coaxially connected cam 3 and the also stop motion of rope sheave 2 with the chuck 4, rope sheave 2 stops steel wire rope fortune
It is dynamic, so that lift car stop motion, so can be achieved brake hard during elevator overspeed traveling.
It is convex herein it should be noted that by the effect of frictional force between cam of the present utility model 3 and the roller 6
Wheel 3 drives the rollers 6 to roll, unrelated with the rotation direction of cam 3, no matter therefore elevator overspeed is descending or hypervelocity is up,
Realize brake hard during elevator overspeed traveling.
During electric power regular supply, the elastic mechanism 921 of the lock car 9 makes elastic mechanism 921 be in quilt by Electric control
Compressive state, so that be in contact between the lock roof panels 91 that the lock car swing rod 92 is connected and the rocking arm swing rod 8,
But it is between each other without the effect of power, therefore it does not influence the normal operation of elevator.
When unexpected power-off, the elastic mechanism 921 loses Electric control, so as to make to recover fortune in the presence of restoring force
Dynamic, the length elongation of lock car swing rod 92 described herein, the lock roof panels 91 being connected with the lock car swing rod 92 travel forward, from
And promoted with the rocking arm swing rod 8 that the lock roof panels 91 are in contact, the swing arm 5 being connected with the rocking arm swing rod 8 is waved,
The end of the swing arm 5 is moved to the center of chuck 4, and the fastener 41 on the chuck 4 moves to the end of the swing arm 5
When, withstood by the end of the swing arm 5, so as to force the chuck 4 to stop operating, the coaxially connected cam 3 with the chuck 4
And the also stop motion of rope sheave 2, the steel wire rope stop motion in rope sheave 2, so that lift car stop motion, so can be real
Now elevator emergency brake during power-off suddenly.
Compared with prior art, the beneficial effects of the utility model are：
1st, two-way governor for elevator provided by the utility model, frictional force is passed through between the cam and the roller
Effect, described in cam driven roller roll, it is unrelated with the rotation direction of cam, no matter therefore when elevator overspeed it is descending or hypervelocity on
OK, brake hard during elevator overspeed traveling can be achieved.
2nd, two-way governor for elevator provided by the utility model, without using rope brake, needed with tradition using folder rope
The limiter of speed needs of device are installed the special limiter of speed of a set of counterweight on counterweight system and compared with safety tongs, electricity of the present utility model
Ladder is that brake hard when elevator overspeed travels, production can be achieved directly using chuck, cam and swing arm with bidirectional speed limiter
Cost is low.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (10)
- A kind of 1. two-way governor for elevator, it is characterised in that including side plate, rope sheave, with the coaxially connected cam of the rope sheave, Chuck, swing arm, the roller being connected with the swing arm end, the bullet being connected with the swing arm being connected with the cam coaxial Property part, the rocking arm swing rod and lock car that are connected with the swing arm, in the cam and the roller are generally aligned in the same plane, institute The distance for stating center to the center of the cam of roller is equal to the radius of the roller and the maximum radius sum of the cam, The lock car includes lock roof panels and the lock car swing rod being connected with the lock roof panels, the position of the lock roof panels and institute The position for stating rocking arm swing rod matches.
- 2. two-way governor for elevator as claimed in claim 1, it is characterised in that the cam is in class rectangle, the class square Curved at four angles of shape cam, the distance of the arc center arrival cam center of the cam is L, and L is more than described Other regions reach the distance of the cam center on the edge of cam；The maximum radius of the cam is less than the radius of the rope sheave.
- 3. two-way governor for elevator as claimed in claim 2, it is characterised in that relative with the swing arm on the chuck Fastener is provided with side.
- 4. two-way governor for elevator as claimed in claim 3, it is characterised in that the quantity of the fastener is four, described The position of four fasteners and the position of the least radius on the cam match.
- 5. two-way governor for elevator as claimed in claim 1, it is characterised in that the swing arm includes two arm of forces, described The end of two arm of forces is respectively arranged with through hole.
- 6. two-way governor for elevator as claimed in claim 5, it is characterised in that on the roller and one of arm of force The through hole is connected.
- 7. two-way governor for elevator as claimed in claim 5, it is characterised in that on the elastomeric element and another arm of force Through hole be connected.
- 8. two-way governor for elevator as claimed in claim 1, it is characterised in that the elastomeric element is spring.
- 9. two-way governor for elevator as claimed in claim 1, it is characterised in that flexible machine is set on the lock car swing rod Structure.
- 10. two-way governor for elevator as claimed in claim 1, it is characterised in that the rope sheave is rounded, is set on its side It is equipped with grooving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720322671.9U CN206814180U (en) | 2017-03-30 | 2017-03-30 | A kind of two-way governor for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720322671.9U CN206814180U (en) | 2017-03-30 | 2017-03-30 | A kind of two-way governor for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206814180U true CN206814180U (en) | 2017-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720322671.9U Expired - Fee Related CN206814180U (en) | 2017-03-30 | 2017-03-30 | A kind of two-way governor for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206814180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904505A (en) * | 2017-03-30 | 2017-06-30 | 中山天达电梯科技有限公司 | A kind of two-way governor for elevator |
| CN108821167A (en) * | 2018-09-12 | 2018-11-16 | 广东好太太科技集团股份有限公司 | A kind of clothes airing machine safety protection structure |
-
2017
- 2017-03-30 CN CN201720322671.9U patent/CN206814180U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904505A (en) * | 2017-03-30 | 2017-06-30 | 中山天达电梯科技有限公司 | A kind of two-way governor for elevator |
| CN108821167A (en) * | 2018-09-12 | 2018-11-16 | 广东好太太科技集团股份有限公司 | A kind of clothes airing machine safety protection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180717 Address after: 528455 first Road No. 6, Zhongshan City, Guangdong Province Patentee after: Zhongshan South Elevator Engineering Research Institute Co., Ltd. Address before: 528455 first floor, block B, 6 Shing Shi Road, Zhongshan, Guangdong. Patentee before: Zhongshan Tianda Elevator Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20200330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |