CN207390724U - New Speed Limiter ratchet assembly - Google Patents
New Speed Limiter ratchet assembly Download PDFInfo
- Publication number
- CN207390724U CN207390724U CN201720975220.5U CN201720975220U CN207390724U CN 207390724 U CN207390724 U CN 207390724U CN 201720975220 U CN201720975220 U CN 201720975220U CN 207390724 U CN207390724 U CN 207390724U
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- China
- Prior art keywords
- ratchet
- pin
- braking
- banking pin
- speed limiter
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Abstract
The utility model is related to a kind of elevator car safety, especially a kind of New Speed Limiter ratchet assembly.The component includes a ratchet, one side surface of ratchet is equipped with a banking pin, banking pin both sides are connected to by tension spring on the inside of mainframe respectively, electromagnet stent is equipped in the top of ratchet, ratchet corresponds to motor switch component one side equipped with switch guide, the lower section of ratchet is equipped with a braking pin mount, and the banking pin is installed on braking pin mount.The ratchet assembly cooperation of the utility model is arranged on the use of U-lag and lever mechanism on limiter of speed, banking pin is made to form a vacant stroke by taking place during offset motion drives rope brake or safety tongs to triggering lever mechanism, triggering effect is not generated in the movement of the trip inside brake pin, it is achieved thereby that the problem of preventing false triggering maloperation occurs.
Description
Technical field
The utility model is related to a kind of elevator car safety, especially a kind of New Speed Limiter ratchet assembly.
Background technology
The limiter of speed of elevator is lift running safety control device, for elevator speed exceed the speed limit pre-set velocity when,
It takes urgent measure to the operation of elevator, avoids the generation of dangerous situation.
Bidirectional speed limiter for elevator general work principle is when lift car uplink and downlink are detected in running process of elevator
Movement velocity, once the movement velocity of lift car exceeds preset range, then make cut-out elevator traction electromechanical source first
Action, if car continues to make the action of brake wire without stopping at once.Steel wire rope referred herein, refers to
Around the steel wire rope of governor sheave rather than elevator jackstay, one end of the steel wire rope is connected on car safety, with car
It moves up and down, thus rope sheave Double-directional rotary can be driven, once the steel wire rope is braked, then safety tongs can clamp elevator rail automatically
And make car deceleration stop.In this way, limiter of speed can realize the purpose for preventing that car speeding from running, so as to avoid the hair of dangerous situation
It is raw.
But generally there are following Railway Projects for existing limiter of speed：
1st, when Elevator landing opens the door passenger's either cargo up and down when passenger is full or cargo is heavier, car has
A degree of to move down, even if this moves down distance as safe distance, limiter of speed easily generates erroneous judgement at this time, cuts off traction electromechanical source
And the operation of safety tongs locking elevator is triggered, influence the normal operation of elevator；
2nd, since existing elevator is when door is opened, the pop-up of limiter of speed electromagnet comes, when elevator goes further dynamic 30mm, limit
Fast device does not walk idle stroke, and limiter of speed is caused to act, downlink lifting safety tongs action, uplink lifting rope brake action, so not
Advance door opening action can be carried out, so enabling and shutdown action of the existing elevator in flat bed are after elevator stops completely
Switch door operation is being carried out, in the operation of high-rise express lift (the general speed of service is 2.0m/s or more than 2.5m/s),
The operational efficiency of elevator can be greatly reduced in such switch gate control operation.Existing high level express lift is also that part elevator possesses
Advance door opening function, but this function is intended to modification operation program and the execution logic of release mechanism, setting up procedure is complicated, cost
It is higher.
Utility model content
In order to solve the above-mentioned technical problem, the utility model, which provides one kind, can avoid car slightly mobile caused control
System erroneous judgement and the New Speed Limiter ratchet assembly for being adaptable to switch gate control in advance.
The component includes a ratchet, and a side surface of ratchet is equipped with a banking pin, and banking pin both sides are connected respectively by tension spring
It is connected on the inside of mainframe, electromagnet stent is equipped in the top of ratchet, ratchet corresponds to motor switch component one side and led equipped with switch
Bar, the lower section of ratchet are equipped with a braking pin mount, and the banking pin is installed on braking pin mount.
Preferably, corresponding braking key seat installation place pre-sets a mounting hole, the braking key seat on the ratchet
It is weldingly fixed in mounting hole, banking pin is fixed on by fastener on braking key seat.
Preferably, the position corresponded on the electromagnet stent around electromagnet telescopic rod is equipped with telescopic rod reinforced seat,
The reinforced seat be equipped with power supply magnet telescopic rod it is flexible when by through hole and enclose the pedestal covered around through hole.
Preferably, the switch guide includes for fixed arm fixed with ratchet and triggers the triggering of motor switch
Arm, the trigger arm are a structure being symmetrically extended from the end of fixed arm on two skew backs, and the outer edge of trigger arm is one
Curved edge forms the switch guide of tree binary lorm structure.
The new cooperation for having computer room limiter of speed by banking pin, U-lag and lever mechanism of the utility model, makes braking
Pin by take place offset motion to triggering lever mechanism drive rope brake or safety tongs during formed one it is vacant formed,
The movement of the trip inside brake pin does not generate triggering effect, it is achieved thereby that the problem of preventing false triggering maloperation occurs；Simultaneously
When the door is open, limiter of speed electromagnet pops up, at this time i.e. executable opening door operation, and when elevator goes further dynamic 30mm, limiter of speed has
Idle stroke is walked, banking pin walks idle stroke in arc groove, and limiter of speed still will not act, and would not also set out safety tongs and folder rope
Device acts, so advance door opening action can be carried out.
Description of the drawings
Fig. 1 is the positive structure diagram of the utility model embodiment；
Fig. 2 is the lateral section structure diagram of the utility model embodiment；
Fig. 3 is the structure diagram that the ratchet assembly of the utility model embodiment is installed on limiter of speed.
Specific embodiment
As shown in Figure 1-Figure 3, the New Speed Limiter ratchet assembly in the embodiment of the utility model includes a ratchet 1, spine
One side surface of wheel 1 is equipped with a banking pin 2, and 2 both sides of banking pin are connected to 4 inside of mainframe by tension spring 3 respectively, in ratchet 1
Top be equipped with electromagnet stent 5, ratchet 1 corresponds to motor switch component one side and is equipped with switch guide 6, and the lower section of ratchet 1 is equipped with
One braking pin mount 7, the banking pin 2 are installed on braking pin mount 7.
By the ratchet assembly for after bidirectional speed limiter, when elevator is run, the centrifugal hammer in rope wheel component 2 to be used to examine
Overspeed condition is surveyed, when upstream or downstream exceed the speed limit, the ratchet and pawl in centrifugal hammer driving pawl pawl assembly combines, and realizes spine
Wheel is servo-actuated with rope sheave；It is real or after directly by electric signal electromagnet, electromagnet being controlled to stretch out when detecting accidental movement
Existing ratchet is servo-actuated with what is omitted.When on elevator people live cargo when, if weight increases suddenly, car had under certain amplitude
It is heavy, but be still at this time in safe range, even if so ratchet and rope sheave are servo-actuated at this time, since banking pin 32 is in arc groove 11
In there is one section to walk idle stroke, so not triggering rope brake or safety tongs action, elevator still can be with normal operation, in the present embodiment
By the elevator sinking distance controlling in 30mm.Likewise, when elevator will reach flat bed, reaching 30mm can carry out in advance
Door opening action does not trigger accidental movement at this time, improves elevator operating efficiency, and patrolling it is not necessary to modify elevator safety protection mechanism
Volume, simple possible.
In the present embodiment, corresponding braking key seat installation place pre-sets a mounting hole 8, the system on the ratchet 1
Dynamic key seat 7 is weldingly fixed in mounting hole 8, and banking pin 2 is fixed on by fastener on braking key seat 7.
Simultaneously as electromagnet can act power when stretching out with rope sheave convex platform, in order to improve intensity, electromagnetism is prevented
Iron is knocked damage when stretching out, and in the present embodiment, the position corresponded on the electromagnet stent 5 around electromagnet telescopic rod is set
Have a telescopic rod reinforced seat 9, the reinforced seat 9 be equipped with power supply magnet telescopic rod it is flexible when by through hole 91 and enclosing cover it is logical
Pedestal 92 around hole.Telescopic rod reinforced seat 38 carries out /V to the surrounding of the electromagnet of stretching, and it is curved to occur to prevent its stress
Situation that is bent, departing from.
In the present embodiment, the switch guide 6 is included for fixed arm 61 fixed with ratchet and triggering driven opening
The trigger arm 62 of pass, the trigger arm 62 are a structure being symmetrically extended from the end of fixed arm 61 on two skew backs, are triggered
The outer edge 63 of arm is a curved edge, forms the switch guide of tree binary lorm structure.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Every equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly transported
Used in other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (4)
1. New Speed Limiter ratchet assembly, including a ratchet, it is characterised in that：One side surface of ratchet is equipped with a banking pin, system
Dynamic pin both sides are connected to by tension spring on the inside of mainframe respectively, are equipped with electromagnet stent in the top of ratchet, ratchet corresponds to electronic
Switch module one side is equipped with switch guide, and the lower section of ratchet is equipped with a braking pin mount, and the banking pin is installed on braking
On pin mount.
2. New Speed Limiter ratchet assembly as described in claim 1, it is characterised in that：Corresponding braking key seat on the ratchet
Installation place pre-sets a mounting hole, and the braking key seat is weldingly fixed in mounting hole, and banking pin is fixed by fastener
On braking key seat.
3. New Speed Limiter ratchet assembly as claimed in claim 2, it is characterised in that：Corresponding electricity on the electromagnet stent
Position around magnet telescopic rod is equipped with telescopic rod reinforced seat, and the reinforced seat, which is equipped with when power supply magnet telescopic rod stretches, to be led to
The through hole crossed and enclose the pedestal covered around through hole.
4. New Speed Limiter ratchet assembly as claimed in claim 3, it is characterised in that：The switch guide include for
The fixed fixed arm of ratchet and the trigger arm for triggering motor switch, the trigger arm is for one from the end of fixed arm to both sides
The structure being symmetrically extended on tiltedly, the outer edge of trigger arm is a curved edge, forms the switch guide of tree binary lorm structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720975220.5U CN207390724U (en) | 2017-08-04 | 2017-08-04 | New Speed Limiter ratchet assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720975220.5U CN207390724U (en) | 2017-08-04 | 2017-08-04 | New Speed Limiter ratchet assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207390724U true CN207390724U (en) | 2018-05-22 |
Family
ID=62417956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720975220.5U Expired - Fee Related CN207390724U (en) | 2017-08-04 | 2017-08-04 | New Speed Limiter ratchet assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207390724U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416635A (en) * | 2017-08-04 | 2017-12-01 | 佛山市欧汇电梯配件有限公司 | New Speed Limiter ratchet assembly |
| CN110761626A (en) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | Unlocking device and platform door |
-
2017
- 2017-08-04 CN CN201720975220.5U patent/CN207390724U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416635A (en) * | 2017-08-04 | 2017-12-01 | 佛山市欧汇电梯配件有限公司 | New Speed Limiter ratchet assembly |
| CN110761626A (en) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | Unlocking device and platform door |
| CN110761626B (en) * | 2018-07-27 | 2021-06-18 | 比亚迪股份有限公司 | Unlocking device and platform door |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20200804 |