CN206955396U - Limiter of speed trigger device - Google Patents
Limiter of speed trigger device Download PDFInfo
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- CN206955396U CN206955396U CN201720443768.5U CN201720443768U CN206955396U CN 206955396 U CN206955396 U CN 206955396U CN 201720443768 U CN201720443768 U CN 201720443768U CN 206955396 U CN206955396 U CN 206955396U
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- 230000007246 mechanism Effects 0.000 claims abstract description 73
- 230000001360 synchronised effect Effects 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims description 40
- 238000005119 centrifugation Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 10
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
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Abstract
The utility model proposes a kind of limiter of speed trigger device, suitable for elevators field, including rope sheave, main shaft, the main shaft is installed in the middle part of the rope sheave, is symmetrical arranged two centrifugal weights on the rope sheave, two centrifugal weights can make synchronous centrifugal motion, also include electromagnetism trigger mechanism, the electromagnetism trigger mechanism is installed on the position corresponding with the centrifugal weight, and under electromagnetism trigger mechanism "on" position, the centrifugal weight produces centrifugal motion in the presence of electromagnetic force.The utility model is by setting electromagnetism trigger mechanism, personnel's Remote triggering limiter of speed easy to operation, solve annual check and test request, when needing to detect the sensitivity of speed limit below normal speed, electromagnetism trigger mechanism only need to be connected, centrifugal weight is produced centrifugal motion, so as to trigger limiter of speed action, the convenience of elevator speed limitor without machine room detection is substantially increased, remote operation is simple and convenient.
Description
Technical field
A kind of limiter of speed trigger device is the utility model is related to, suitable for elevators field.
Background technology
Limiter of speed be it is a kind of be used to detect the lift car speed of service, when elevator overspeed descending occurs or fall generation when,
Elevator motion is controlled by electric safety switch, more than rated speed of lift 115% when, the steel wire rope on limiter of speed is by carrying
Drawing mechanism triggering linkage safety tongs, safety tongs brake the car of overspeed descending and falling bodies as brake hard protection device, from
And protect the safety of elevator.
Regulation is " when following condition all meets, without meeting 9.9.8.2's in national standard GB/T7588-2003,9.9.8.3
It is required that：A) the limiter of speed action described in 9.9.9 can be realized from the mode of hoistway external application remote control (in addition to wireless mode),
This mode would not cause the involuntary maneuver of limiter of speed, and unauthorized person can not be close to the manipulation device of remote control ".
Due to the requirement of the national standard and the appearance of machine-roomless lift, limiter of speed is arranged in hoistway, when elevator governor is in elevator
When speed is not less than normal speed, to carry out checking verification or testing the reliability of brake apparatus, it is necessary to which maintainer exists
Car top manual manipulation limiter of speed and switch, or individually set an inspection door in car and manipulate limiter of speed and switch, give
Annual inspection or maintenance machine-roomless lift bring great inconvenience, in order to ensure speed limit detection and artificial safety, elevator governor
It is preferably able to realize Remote triggering and detection.
Centrifugal governor is widely used in elevator at present, when car speed exceedes limiter of speed preset speed values, from
Getting rid of block and can be triggered and produce centrifugal motion and outwards throw away in core type limiter of speed, acts overspeed switch, speed further increases
Limit value is arrived greatly, so that pawl action, ratchet drives pawl wheel, steel wire rope pincers block damp governor rope, governor sheave
Shut down.Now, get rid of block because centrifugal governor only can just trigger when car speed, which exceedes, limits speed and centrifuge
Motion, in machine-roomless lift, maintenance personal can not artificially trigger and get rid of block, elevator when this is just not easy to being not up to normal speed
The sensitivity of limiter of speed speed limit is detected, and can not ensure the reliability of brake apparatus.Meanwhile in machine-roomless lift actual motion
During, if car exceedes the detection speed of setting, get rid of block and produce centrifugal motion still without being triggered, it is impossible to complete to limit
The verification of fast device, safety tongs and link gear, serious potential safety hazard is caused to follow-up elevator safety operation.
The content of the invention
The utility model is intended at least solve one of technical problem existing for above-mentioned prior art, proposes that a kind of limiter of speed touches
Transmitting apparatus, the Remote triggering of limiter of speed and detection in machine-roomless lift are realized, to solve limiter of speed inspection and test problem, so as to
Realize the general safety verification of limiter of speed and safe forceps system.
In order to realize above-mentioned technical purpose, the utility model employs following technical scheme：
A kind of limiter of speed trigger device, including rope sheave, main shaft, install the main shaft in the middle part of the rope sheave, on the rope sheave
Two centrifugal weights are symmetrical arranged, two centrifugal weights can make synchronous centrifugal motion, in addition to electromagnetism trigger mechanism, the electromagnetism triggering
Mechanism is installed on the position corresponding with the centrifugal weight, and under electromagnetism trigger mechanism "on" position, the centrifugal weight is in electricity
Centrifugal motion is produced in the presence of magnetic force.
Further, in addition to riser, the main shaft are installed on the riser；The electromagnetism trigger mechanism is installed on described
On the bottom plate and/or side plate of riser.
Further, the electromagnetism trigger mechanism includes magnetic conductor and coil, and the coil winds the magnetic conductor.
Further, coil rack is additionally provided between the magnetic conductor and the coil, is provided with and holds in the coil rack
Receive the groove of coil, the coil is wound in the groove of the coil rack.By setting coil rack, coil winding can be improved
Fixing.
Further, the outer side covers of the coil not magnetic conductive shell.By setting not magnetic conduction casing, magnetic conduction can be improved
The magnetic conduction function of body.
Further, the magnetic conductor is cylinder, and the top of the cylindrical magnetic conductor is provided with a groove, the groove
It is adapted with the edge of the centrifugal weight；
Or the section of the magnetic conductor is Contraband type, the Contraband type magnetic conductor includes bottom plate, top plate and side plate, the line
Circle is wrapped on the side plate；
Or the section of the magnetic conductor is Contraband type, the Contraband type magnetic conductor includes bottom plate, top plate and side plate, the bottom
The upward bending in plate end forms a vertical panel, and the coil winds the vertical panel or the side plate；
Or the section of the magnetic conductor is T-shaped, the T-shaped magnetic conductor includes vertical cylinder and circular bottom plate, the line
Circle winds the vertical cylinder.
The setting of magnetic conductor various shapes can cause designer to select suitable shape according to different limiter of speed specifications
Shape, to increase the application scenario of electromagnetism trigger mechanism.
Further, the bottom of the cylindrical magnetic conductor is additionally provided with an annular receiving groove, and the coil is wound in described
Annular receiving groove.
Further, the limiter of speed trigger device, in addition to centrifugal shaft and link gear, two described centrifugal weights are each
Be rotatably assorted by a centrifugal shaft is produced synchronous in described rope sheave, two described centrifugal weights by the link gear
Centrifugal motion.
Further, the link gear includes two connecting rods and a connection circle voussoir, and the connection circle voussoir is sheathed on institute
State outside main shaft, the connection circle voussoir is arranged with two lugs, and two lugs respectively pass through the connecting rod described in one and the centrifugation described in one
Pouring weight is hinged.
Further, the limiter of speed trigger device also includes：Two centrifugation balance staffs and a link gear, the link gear
Including big friction wheel and two small friction pulleys, two friction wheel axles, the big friction wheel set are symmetrical arranged on each small friction pulley
Outside the main shaft, wherein one end of a small friction pulley is hinged the centrifugal weight by a friction wheel axle, in
Portion is articulated with described rope sheave by the centrifugation balance staff, the other end by friction wheel axle another described be hinged it is another it is described from
Heart pouring weight；Driven between the big friction wheel and two small friction pulleys by wheel face frictional engagement.
The utility model compared with prior art, has advantages below：
1st, by setting electromagnetism trigger mechanism, personnel's Remote triggering limiter of speed easy to operation, annual check and test are solved
It is required that when needing to detect the sensitivity of speed limit below normal speed, electromagnetism trigger mechanism only need to be connected, produces centrifugal weight
Raw centrifugal motion, so as to trigger limiter of speed action.Substantially increase the convenience of elevator speed limitor without machine room detection, remote operation
It is simple and convenient.
2nd, when unexpected drive over the speed limit occurs in car, triggering limiter of speed can be made by remote control electromagnetism trigger mechanism
Action, realizes the further safeguard protection to exceeding the speed limit or falling, improves the security of elevator.
3rd, while carrying out speed limit detection below limiter of speed normal speed or with inspection speed, observable is with friction speed
When triggering limiter of speed, the continuity and lifting effect of whole elevator safety system, setting for a whole set of elevator safety system is improved
Count characteristic.
Brief description of the drawings
Fig. 1-1 is shown as the signal that limiter of speed trigger device shown in the utility model embodiment one is in centrifugal motion state
Figure；
Fig. 1-2 is shown as the signal that limiter of speed trigger device shown in the utility model embodiment one is in ordinary running condition
Figure；
Fig. 2-1,3-1,4-1 are shown as limiter of speed trigger device shown in the utility model embodiment one and touched using different electromagnetism
Centrifugal motion view is in when sending out mechanism；
Fig. 2-2,3-2,4-2 are respectively indicated as limiter of speed trigger device shown in the utility model embodiment one and use different electricity
Schematic diagram in ordinary running condition during magnetic trigger mechanism；
Fig. 5-1 is shown as the signal that limiter of speed trigger device shown in the utility model embodiment two is in centrifugal motion state
Figure；
Fig. 5-2 is shown as the signal that limiter of speed trigger device shown in the utility model embodiment two is in ordinary running condition
Figure；
Fig. 6-1 is shown as the signal that limiter of speed trigger device shown in the utility model embodiment three is in centrifugal motion state
Figure；
Fig. 6-2 is shown as the signal that limiter of speed trigger device shown in the utility model embodiment three is in ordinary running condition
Figure；
Fig. 6-3 is shown as the side view that limiter of speed trigger device shown in the utility model embodiment three is in centrifugal motion state
Figure；
Fig. 6-4 is shown as the side view that limiter of speed trigger device shown in the utility model embodiment three is in ordinary running condition
Figure；
Fig. 7-1 is shown as the structural representation of the first structure type of electromagnetism trigger mechanism described in the utility model；
Fig. 7-2 is shown as the structural representation of second of structure type of electromagnetism trigger mechanism described in the utility model；
Fig. 7-3 is shown as the structural representation of the third structure type of electromagnetism trigger mechanism described in the utility model；
Fig. 7-4 is shown as the structural representation of the 4th kind of structure type of electromagnetism trigger mechanism described in the utility model；
Fig. 7-5 is shown as the structural representation of the 5th kind of structure type of electromagnetism trigger mechanism described in the utility model；
Fig. 7-6 is shown as the structural representation of the 6th kind of structure type of electromagnetism trigger mechanism described in the utility model；
Fig. 7-7 is shown as the structural representation of the 7th kind of structure type of electromagnetism trigger mechanism described in the utility model；
Fig. 7-8 is shown as the structural representation of the 8th kind of structure type of electromagnetism trigger mechanism described in the utility model；
Fig. 7-9 is shown as the structural representation of the 9th kind of structure type of electromagnetism trigger mechanism described in the utility model；
Fig. 7-10 is shown as the structural representation of the tenth kind of structure type of electromagnetism trigger mechanism described in the utility model；
Fig. 7-11 is shown as a kind of the tenth structural representation of structure type of electromagnetism trigger mechanism described in the utility model.
Reference：
1- centrifugal shafts, 1a- centrifugation balance staffs, 2- centrifugal weights, 3- rope sheaves；4- electromagnetism trigger mechanisms, 4-1 magnetic conductors, 4-2 lines
Circle, 4-3 not magnetic conductive shells, 4-4 coil racks, 4-1-1 bottom plates, 4-1-2 top plates, 4-1-3 side plates, 4-1-4 vertical panels, 4-1-5
Vertical cylinder, 4-1-6 circular bottom plates；Voussoir, 9- lugs, the big frictions of 10- are justified in 5- risers, 6- main shafts, 7- linkages, 8- connections
Wheel, the small friction pulleys of 11-, 12- friction wheel axles.
Embodiment
In order to be more clearly understood that above-mentioned purpose, characteristic and advantage of the present utility model, below in conjunction with the accompanying drawings and have
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be combined with each other.Elaborate in the following description many details in order to
The utility model is fully understood, still, the utility model can also be different from other modes described here come real using other
Apply, therefore, the scope of protection of the utility model is not limited by following specific embodiment.
Embodiment one
As Figure 1-1, limiter of speed trigger device includes rope sheave 3, main shaft 6, the middle part of rope sheave 3 installation main shaft 6, on rope sheave 3
Two centrifugal weights 2 are symmetrical arranged, two centrifugal weights can make synchronous centrifugal motion；Also include electromagnetism trigger mechanism 4, electromagnetism triggering machine
Structure 4 is installed on the corresponding position of centrifugal weight 2.When electromagnetism trigger mechanism 4 is powered, electromagnetism trigger mechanism 4 and centrifugal weight 2
Between form closed magnetic circuit, the centrifugal weight 2 produces centrifugal motion in the presence of electromagnetic force.
Specifically, in the present embodiment, limiter of speed trigger device also includes riser 5, and main shaft 6 is installed on riser 5, and electromagnetism touches
Hair mechanism 4 is installed on position relative with the lower edge of centrifugal weight on the bottom plate of riser；Limiter of speed trigger device also includes two
The individual link gear of centrifugal shaft 1 and one, centrifugal weight 2 are connected on rope sheave 3 by centrifugal shaft 1, and the link gear includes two
The connection circle voussoir 8 of connecting rod 7 and one, connects circle voussoir 8 and is provided with two lugs 9, two lugs 9 respectively pass through the centrifugal weight 2 of connecting rod 7 and one
It is be hinged.
In addition, in the present embodiment, electromagnetism trigger mechanism 4 includes magnetic conductor 4-1 and coil 4-2 and not magnetic conductive shell 4-
3, the first structure type as shown in Fig. 7-1, magnetic conductor 4-1 is cylinder, and its top is provided with groove, when centrifugal weight 2 produces
During raw centrifugal motion, the edge of centrifugal weight 2 is fallen into the groove；Magnetic conductor 4-1 bottom is provided with an annular receiving groove, coil
4-2 winds magnetic conductor 4-1 settings in the annular receiving groove, moreover, setting not magnetic conductive shell 4-3 in the covering of coil 4-2 peripheries.
The operation principle of limiter of speed trigger device is described in the present embodiment：When needed below normal speed trigger limiter of speed
During carrying out speed limit detection, control electromagnetism trigger mechanism 4 is powered, as Figure 1-1, the magnetic conductor 4-1 in electromagnetism trigger mechanism
Form closed magnetic circuit between centrifugal weight 2, wherein a centrifugal weight 2 in the presence of electromagnetic force to close to magnetic conductor 4-1's
Centrifugal motion is done in direction, meanwhile, the link gear formed by linkage 7 and connection circle voussoir 8 also causes another centrifugal weight
Outside centrifugal motion is done, and then rope sheave 3 is stopped operating, finally realizes the stop action of a whole set of security system.Cross herein
Cheng Zhong, maintainer can detect the operating sensitivity and security reliability of limiter of speed under pre-set velocity, while can observe whole
Cover the continuity and lifting effect of security system.
In elevator normal course of operation, electromagnetism trigger mechanism 4 is in off-position, and centrifugal weight 2 is relatively quiet with rope sheave 3
Only, limiter of speed keeps running well, as shown in Figure 1-2.
Alternatively, electromagnetism trigger mechanism 4 can also be other ten kinds of structure types as shown in Fig. 7-2~7-11：
Electromagnetism trigger mechanism shown in Fig. 7-2 the difference is that only that electromagnetism trigger mechanism 4 is not provided with not magnetic conduction with Fig. 7-1
Shell 4-3.
Electromagnetism trigger mechanism shown in Fig. 7-3 4 and Fig. 7-1 differences are that cylindrical magnetic conductor 4-1 bottom is not provided with
Annular receiving groove, but coil rack 4-4 is arranged in its bottom periphery, formed with the groove for accommodating coil on coil rack 4-4,
Coil 4-1 wound around coil skeleton 4-4 in the groove are set, and in the periphery of coil rack and coil, covering sets not magnetic conductive shell
4-3, coil rack is set to be remarkably improved the stability of coil winding.
Electromagnetism trigger mechanism shown in Fig. 7-4 4 and Fig. 7-3 the difference is that only that electromagnetism trigger mechanism 4 is not provided with not magnetic conduction
Shell 4-3, coil rack can also be used to improve the reliability of coil winding.
Magnetic conductor 4-1 section is Contraband type in electromagnetism trigger mechanism shown in Fig. 7-5 4, and Contraband type magnetic conductor includes bottom plate 4-1-
1, top plate 4-1-2 and side plate 4-1-3, the upward bendings of bottom plate 4-1-1 form a vertical panel 4-1-4, and coil 4-2 winds the vertical panel
4-1-4。
Electromagnetism trigger mechanism shown in Fig. 7-6 4 and Fig. 7-5 the difference is that only that coil 4-2 is wrapped in Contraband type magnetic conductive board
On 4-1 side plate 4-1-3.
Electromagnetism trigger mechanism shown in Fig. 7-7 4 and Fig. 7's-6 the difference is that only, the Contraband type magnetic conductor is not provided with hanging down
Straight panel 4-1-4.
Magnetic conductor 4-1 is T-shaped in electromagnetism trigger mechanism shown in Fig. 7-8 4, the T-shaped magnetic conductor include vertical cylinder 4-1-5 and
Circular bottom plate 4-1-6, coil 4-2 are wrapped on vertical cylinder 4-1-5；Magnetic conductive shell 4-3 covering coils 4-2 outside is not set
Put.
The triggering of electromagnetism shown in Fig. 7-9 machine 4 and Fig. 7-8 the difference is that only that electromagnetism trigger mechanism 4 is not provided with not outside magnetic conduction
Shell 4-3.
The triggering of electromagnetism shown in Fig. 7-10 machine 4 and Fig. 7-8 differences are that magnetic conductor 4-1 only includes vertical cylinder 4-1-
5, coil rack 4-4 is arranged in vertical cylinder 4-1-5 peripheries, formed with the groove for accommodating coil, coil 4-2 on coil rack 4-4
The wound around coil skeleton 4-4 in the groove, not magnetic conductive shell 4-3 is set in the outside covering of coil rack and coil, coil is set
Skeleton is remarkably improved the stability of coil winding.
Electromagnetism trigger mechanism shown in Fig. 7-11 4 and Fig. 7-10 the difference is that only that electromagnetism trigger mechanism 4 is not provided with not leading
Magnetic shell 4-3.
Fig. 2-1 to Fig. 4-2 is respectively using Fig. 7-5, the centrifugal motion of electromagnetism trigger mechanism shown in 7-8,7-7 and normal
The state diagram of motion.
The different structure of above-mentioned electromagnetism trigger mechanism 4 may be such that utilization is more extensive, according to the concrete structure of limiter of speed come
Appropriate electromagnetism trigger mechanism is selected, to reach the effect of Remote triggering.
Embodiment two
As shown in fig. 5-1, compared with embodiment one, the main distinction is to centrifuge limiter of speed trigger device shown in the present embodiment
The difference of the shape of pouring weight and the link gear, limiter of speed shown in the present embodiment are most common limiter of speed knot in the prior art
Structure, its concrete composition is no longer illustrated one by one herein.
Specifically, electromagnetism trigger mechanism 4 is using the structure shown in Fig. 7-7 in the present embodiment, according to different working condition requirements,
Electromagnetism trigger mechanism 4 described in the present embodiment can also use any structure type as shown in Fig. 7-1-7-11.
The trigger theory of limiter of speed shown in the present embodiment is identical with embodiment one, i.e., when electromagnetism trigger mechanism 4 is logical
When electric, closed magnetic circuit is formed between electromagnetism trigger mechanism 4 and centrifugal weight 2, the centrifugal weight 2 produces in the presence of electromagnetic force
Raw centrifugal motion a, wherein centrifugal weight 2 does centrifugal motion to close to magnetic conductor 4-1 direction, as shown in fig. 5-1；In elevator
In normal course of operation, electromagnetism trigger mechanism 4 is in off-position, centrifugal weight 2 and the geo-stationary of rope sheave 3, and limiter of speed is kept
Run well, as shown in Fig. 5-2.
Embodiment three
As in Figure 6-1, limiter of speed trigger device includes rope sheave 3, main shaft 6, the middle part of rope sheave 3 installation main shaft 6, on rope sheave 3
Two centrifugal weights 2 are symmetrical arranged, two centrifugal weights can make synchronous centrifugal motion；Also include electromagnetism trigger mechanism 4, electromagnetism triggering machine
Structure 4 is installed on the corresponding position of centrifugal weight 2.When electromagnetism trigger mechanism 4 is powered, electromagnetism trigger mechanism 4 and centrifugal weight 2
Between form closed magnetic circuit, the centrifugal weight 2 produces centrifugal motion in the presence of electromagnetic force.
Specifically, in the present embodiment, limiter of speed trigger device also includes riser 5, and main shaft 6 is installed on riser 5, and electromagnetism touches
Hair mechanism 4 is installed on position relative with the lower edge of centrifugal weight on the bottom plate of riser；Limiter of speed trigger device also includes two
Individual centrifugation balance staff 1a and link gear, the link gear include big friction wheel 10 and two small friction pulley 11, each small friction
Two friction wheel axles 12 are symmetrical arranged on wheel 11, the big friction wheel 10 is sheathed on outside main shaft 6, and one end of small friction pulley 11 is by rubbing
Wipe wheel shaft 12 and be hinged centrifugal weight 2, middle part is hinged another centrifugal weight by another friction wheel axle 12, as in Figure 6-1, separately
One end is articulated with rope sheave 3 by centrifuging balance staff 1a, passes through wheel face frictional engagement between big friction wheel 10 and two small friction pulley 11
And drive.
In addition, in the present embodiment, electromagnetism trigger mechanism 4 is using the structure as shown in Fig. 7-7, it is also possible to using such as
Any structure type shown in Fig. 7-1~7-11.
The operation principle of limiter of speed trigger device is described in the present embodiment：When needed below normal speed trigger limiter of speed
During carrying out speed limit detection, control electromagnetism trigger mechanism 4 is powered, as shown in Fig. 6-1 and 6-3, the magnetic conduction in electromagnetism trigger mechanism
Form closed magnetic circuit between body 4-1 and centrifugal weight 2, wherein a centrifugal weight 2 in the presence of electromagnetic force to close to magnetic conductor
Centrifugal motion is done in 4-1 direction, meanwhile, the link gear formed by big friction wheel 10 and small friction pulley 11 causes another centrifugation
Pouring weight does outside centrifugal motion, and then rope sheave 3 is stopped operating, and finally realizes the stop action of a whole set of security system.
During this, maintainer can detect the operating sensitivity and security reliability of limiter of speed under pre-set velocity, while can see
Examine the continuity and lifting effect of a whole set of security system.
In elevator normal course of operation, electromagnetism trigger mechanism 4 is in off-position, and centrifugal weight 2 is relatively quiet with rope sheave 3
Only, limiter of speed keeps running well, as shown in Fig. 6-2 and 6-4.
For limiter of speed Remote triggering device described in the utility model by setting electromagnetism trigger mechanism, personnel easy to operation are long-range
Limiter of speed is triggered, when needing to detect the sensitivity of speed limit below normal speed, only electromagnetism trigger mechanism need to be connected, make centrifugation
Pouring weight does centrifugal motion, you can triggering limiter of speed action, substantially increases the convenience of elevator speed limitor without machine room detection, remotely
It is simple and convenient.
Claims (10)
1. a kind of limiter of speed trigger device, including rope sheave, main shaft, the main shaft is installed in the middle part of the rope sheave, it is right on the rope sheave
Claim to set two centrifugal weights, two centrifugal weights can make synchronous centrifugal motion, it is characterised in that：Also include electromagnetism trigger mechanism, institute
State electromagnetism trigger mechanism and be installed on the position corresponding with the centrifugal weight, under electromagnetism trigger mechanism "on" position, it is described from
Heart pouring weight produces centrifugal motion in the presence of electromagnetic force.
A kind of 2. limiter of speed trigger device according to claim 1, it is characterised in that：Also include riser, the main shaft peace
Loaded on the riser；The electromagnetism trigger mechanism is installed on the bottom plate and/or side plate of the riser.
A kind of 3. limiter of speed trigger device according to claim 1, it is characterised in that：The electromagnetism trigger mechanism includes leading
Magnet and coil, the coil wind the magnetic conductor.
A kind of 4. limiter of speed trigger device according to claim 3, it is characterised in that：The magnetic conductor and the coil it
Between be additionally provided with coil rack, the groove for accommodating coil is provided with the coil rack, the coil is wound in the coil rack
Groove.
A kind of 5. limiter of speed trigger device according to claim 3 or 4, it is characterised in that：The outside covering of the coil
Not magnetic conductive shell.
A kind of 6. limiter of speed trigger device according to claim 3, it is characterised in that：The magnetic conductor is cylindrical, institute
The top for stating cylindrical magnetic conductor is provided with a groove, and the groove is adapted with the edge of the centrifugal weight；
Or the section of the magnetic conductor is Contraband type, the Contraband type magnetic conductor includes bottom plate, top plate and side plate, and the coil twines
It is wound on the side plate；
Or the section of the magnetic conductor is Contraband type, the Contraband type magnetic conductor includes bottom plate, top plate and side plate, the bottom plate end
The upward bending in portion forms a vertical panel, and the coil winds the vertical panel or the side plate；
Or the section of the magnetic conductor is T-shaped, the T-shaped magnetic conductor includes vertical cylinder and circular bottom plate, and the coil twines
Around the vertical cylinder.
7. limiter of speed trigger device according to claim 6, it is characterised in that：The bottom of the cylindrical magnetic conductor is also set
There is an annular receiving groove, the coil is wound in the annular receiving groove.
A kind of 8. limiter of speed trigger device according to any one of claim 1-4 or 6 or 7, it is characterised in that：Also include
Centrifugal shaft and link gear, two described centrifugal weights are respectively rotatably assorted in described rope sheave by a centrifugal shaft, described
Two centrifugal weights pass through the link gear and produce synchronous centrifugal motion.
A kind of 9. limiter of speed trigger device according to claim 8, it is characterised in that：The link gear includes two connecting rods
With a connection circle voussoir, the connection circle voussoir is sheathed on outside the main shaft, and the connection circle voussoir is arranged with two lugs, and two
Lug is respectively hinged by the connecting rod described in one and the centrifugal weight described in one.
A kind of 10. limiter of speed trigger device according to any one of claim 1-4 or 6 or 7, it is characterised in that：Also wrap
Two centrifugation balance staffs and a link gear are included, the link gear includes big friction wheel and two small friction pulleys, each small friction
Two friction wheel axles are symmetrical arranged on wheel, the big friction wheel is sheathed on outside the main shaft, wherein one end of a small friction pulley
The centrifugal weight is hinged by a friction wheel axle, middle part is articulated with described rope sheave by the centrifugation balance staff, another
End is hinged another centrifugal weight by friction wheel axle another described；Pass through between the big friction wheel and two small friction pulleys
Wheel face frictional engagement and drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720443768.5U CN206955396U (en) | 2017-04-25 | 2017-04-25 | Limiter of speed trigger device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720443768.5U CN206955396U (en) | 2017-04-25 | 2017-04-25 | Limiter of speed trigger device |
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| CN206955396U true CN206955396U (en) | 2018-02-02 |
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| CN201720443768.5U Withdrawn - After Issue CN206955396U (en) | 2017-04-25 | 2017-04-25 | Limiter of speed trigger device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108726313A (en) * | 2017-04-25 | 2018-11-02 | 杭州沪宁电梯部件股份有限公司 | Limiter of speed trigger device |
| CN109205434A (en) * | 2018-11-13 | 2019-01-15 | 苏州默顿快速电梯有限公司 | A kind of anti-overspeed lift drag device |
| CN111532932A (en) * | 2020-03-30 | 2020-08-14 | 日立电梯（中国）有限公司 | Lifting equipment, speed limiting device and trigger mechanism |
-
2017
- 2017-04-25 CN CN201720443768.5U patent/CN206955396U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108726313A (en) * | 2017-04-25 | 2018-11-02 | 杭州沪宁电梯部件股份有限公司 | Limiter of speed trigger device |
| CN108726313B (en) * | 2017-04-25 | 2024-02-27 | 杭州沪宁电梯部件股份有限公司 | Speed limiter trigger device |
| CN109205434A (en) * | 2018-11-13 | 2019-01-15 | 苏州默顿快速电梯有限公司 | A kind of anti-overspeed lift drag device |
| CN111532932A (en) * | 2020-03-30 | 2020-08-14 | 日立电梯（中国）有限公司 | Lifting equipment, speed limiting device and trigger mechanism |
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