CN208394558U - A kind of elevator governor - Google Patents
A kind of elevator governor Download PDFInfo
- Publication number
- CN208394558U CN208394558U CN201820427479.0U CN201820427479U CN208394558U CN 208394558 U CN208394558 U CN 208394558U CN 201820427479 U CN201820427479 U CN 201820427479U CN 208394558 U CN208394558 U CN 208394558U
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- ratchet
- elevator
- cabinet
- fixed
- pawl
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Abstract
The utility model relates to a kind of elevator governors, cabinet including fixed rope sheave, rope sheave has been rotatably fixed in the cabinet, the rope sheave is fixed in the cabinet by rotating middle shaft, ratchet is fixed on the rotating middle shaft, the ratchet is rotated coaxially with the rope sheave, it is located above the ratchet in the cabinet and is provided with pawl shaft, oscillating rod has been rotatably fixed in the pawl shaft, one end of the oscillating rod is fixed with runner, pawl is provided in the middle part of the oscillating rod, wherein, the ratchet includes cam and multiple ratchets that back of cam is arranged in, the runner is in contact with the cam face；The runner is improved in the cam effect amplitude of fluctuation when elevator stall, and then the pawl amplitude of fluctuation is driven to improve and touch the ratchet of the back of cam, and the pawl and the ratchet are clamped.The elevator governor of the utility model can be applicable in machine-roomless lift, while can be improved elevator brake reliability.
Description
Technical field
The utility model relates to elevator safety component technology fields, more particularly to a kind of elevator governor.
Background technique
Elevator is widely used in daily life, but not in time or other failures are former due to elevator maintenance
Cause often will lead to elevator and some failures occur, and even result in the generation of accident, and elevator car slipping, hypervelocity downlink etc. are then more
The universal elevator accident origin cause of formation has already appeared some detection devices for preventing accidental movement of elevator cage, in lift car at present
When stopping in hoistway, if there is the car slipping that stops, detection device issues braking electric signal, elevator brake to brake device for elevator
Device is then braked lift car receiving above-mentioned brake signal, wherein elevator governor is exactly main safety control
Component processed.
Household ladder is broadly promoted and is used, in the Retrofit of Elevator in especially old room, due to spatially
Limitation, existing elevator governor have machine room elevator due to more applicable, are difficult to be applied in household ladder, it is therefore desirable to
A kind of new elevator governor is designed, can adapt to the characteristic of machine-roomless lift, while improving the job security of elevator.
Utility model content
The utility model aim is to provide for a kind of elevator governor, can be applicable in machine-roomless lift, can be improved simultaneously
Elevator brake reliability.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
The utility model provides a kind of elevator governor, the cabinet including fixed rope sheave, in the cabinet rotationally
It is fixed with rope sheave, the rope sheave is fixed in the cabinet by rotating middle shaft, and ratchet, institute are fixed on the rotating middle shaft
It states ratchet to rotate coaxially with the rope sheave, is located above the ratchet in the cabinet and is provided with pawl shaft, in the spine
Oscillating rod is rotatably fixed on pawl axis, one end of the oscillating rod is fixed with runner, is provided in the middle part of the oscillating rod
Pawl, wherein the ratchet includes cam and multiple ratchets that back of cam is arranged in, the runner and the cam face phase
Contact；
The runner is improved in the cam effect amplitude of fluctuation when elevator stall, and then drives the pawl amplitude of fluctuation
The ratchet of the back of cam is improved and touches, the pawl and the ratchet are clamped.
For above-mentioned technical proposal, there are also further Optimized Measures by inventor.
Further, contact-making switch, the touching lever phase that the oscillating rod is vertically arranged with one are provided at the top of the cabinet
Even, the other end of the touching lever is pierced by the top of the box and close to the setting of the contact of the contact-making switch, and when elevator stall puts
Lever amplitude of fluctuation increases and then drives the touching lever substantially to swing and touch the contact of the contact-making switch, touches institute in touching lever
The contact-making switch powers off stop elevator after stating contact.
Further, it being fixed with electromagnet in the top of the box, the electromagnet is arranged close to the contact-making switch,
Triggering is powered so that electromagnet absorption touching lever is caught in pawl at ratchet to electromagnet when elevator does safety tongs linkage test
Ratchet act limiter of speed, finally act safety tongs again.
Further, the cabinet includes two blocks of side plates disposed in parallel, is fixed on the top of two blocks of side plates by cover board
Connection, is fixedly connected in the lower part of two blocks of side plates by bottom plate, and the contact-making switch is fixed on the cover board top,
Further, governor spring is provided in the cabinet, one end of the governor spring is fixed at cabinet, separately
One end is fixedly connected with the oscillating rod, for the limit to the oscillating rod.
Since above-mentioned technical proposal is used, the utility model has the advantage that compared with prior art
The elevator governor of the utility model has and pendulum in ratchet by the way that the ratchet rotated coaxially with rope sheave is arranged
The cam that runner links at lever, the cam is able to drive runner rotation, so that oscillating rod swings, normal rotation
When oscillating rod on pawl will not touch the ratchet at ratchet, when elevator overspeed, cam revolving speed is improved, and is driven and is released with it
Runner rotates so that the amplitude of fluctuation of oscillating rod increases, and then pawl teeth portion, which is caught in the ratchet in ratchet, makes limiter of speed
It stops operating, speed limiter wire rope lifting safety tongs makes elevator stopping, so can be realized the speed limit system of domestic inorganic machine room-free elevator
Stop, which is simply convenient for arranging, and work safety, high reliablity.
Further, the utility model is also provided with the touching lever being connected with oscillating rod, passes through the knot of touching lever and contact-making switch
Structure design, under normal circumstances touching lever will not contact-making switch, when elevator overspeed, the oscillating rod amplitude of oscillation increase, drive the touching lever amplitude of oscillation
Additional issue, enables touching lever touching switch to make switch motion, the work of stop elevator further increases the work safety of elevator
Property.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter
Apply example.Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that
The drawings are not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic view of the front view according to the elevator governor of the utility model one embodiment；
Fig. 2 is the left view structural representation of elevator governor shown in Fig. 1；
Fig. 3 is the right side structural representation of elevator governor shown in Fig. 1.
Wherein, the reference numerals are as follows:
1, cabinet, 11, side plate, 12, cover board, 13, bottom plate；
2, rope sheave, 21, rotating middle shaft；
3, ratchet, 31, cam, 32, ratchet；
4, pawl shaft；
5, oscillating rod, 51, runner, 52, pawl, 53, governor spring；
6, touching lever；7, contact-making switch；8, electromagnet.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
The utility model describes a kind of elevator governor, the cabinet 1 including fixed rope sheave 2, as shown in Figure 2 and Figure 3, institute
Stating cabinet 1 includes two blocks of side plates 11 disposed in parallel, is fixedly connected on the top of two blocks of side plates 11 by cover board 12, described two
The lower part of block side plate 11 is fixedly connected by bottom plate 13, and has been rotatably fixed rope sheave 2 in the cabinet 1, rotating middle shaft
21 are fixed between the both side plate 11 and generally within the middle part of side plate 11, and the rope sheave 2 is fixed on institute by rotating middle shaft 21
It states in cabinet 1, ratchet 3 is fixed on the rotating middle shaft, the ratchet 3 is rotated coaxially with the rope sheave 2, in the cabinet
Pawl shaft 4 is fixed between two blocks of side plates 11 in 1, the pawl shaft 4 is located at the top of the ratchet 3, described
Oscillating rod 5 it has been rotatably fixed in pawl shaft 4, one end of the oscillating rod 5 is fixed with runner 51, in the oscillating rod 5
Portion is provided with pawl 52, wherein and the ratchet 3 includes cam 31 and is arranged in multiple ratchets 32 at 31 back side of cam, and described turn
Wheel 51 is in contact with 31 surface of cam.
It is understood that runner 51 follows the cam 31 to rotate in the case that elevator operates normally, drive and runner
51 connected oscillating rods 5 swing, and the pawl 52 will not be touched with 3 ratchet 32 of ratchet under the normal amplitude of oscillation,
And in elevator stall, rope sheave 2 rotates moment quickening, and the cam 31 of the ratchet 3 rotated coaxially with rope sheave 2 rotates with it quickening,
The runner 51 is improved in the cam 31 effect amplitude of fluctuation, and then 52 amplitude of fluctuation of pawl is driven to improve and touch
The ratchet 32 at 31 back side of cam, the pawl 52 are clamped with the ratchet 32.
That is, the elevator governor of the present embodiment, the ratchet 3 rotated coaxially by setting with rope sheave 2, ratchet 3
In have at oscillating rod 5 runner 51 link cam 31, the cam 31 be able to drive runner 51 rotation so that swing
Bar 5 swings, and the pawl 52 when normal rotation on oscillating rod 5 will not touch the ratchet 32 at ratchet 3, when elevator overspeed,
31 revolving speed of cam improves, and drives the runner 51 that releases with it to rotate so that the amplitude of fluctuation of oscillating rod 5 increases, then pawl
In the ratchet 32 that 52 teeth portion are caught in ratchet 3 limiter of speed is stopped operating, speed limiter wire rope lifting safety tongs makes elevator system
Stop, so can be realized the speed limit stop of domestic inorganic machine room-free elevator, which is simply convenient for arranging, and the peace that works
Entirely, high reliablity.
Further, as shown in Figure 1, the top of 1 cover board 12 of the cabinet is provided with contact-making switch 7, the oscillating rod 5 with
One touching lever 6 that is vertically arranged is connected, and the other end of the touching lever 6 is pierced by 1 top of cabinet and close to the contact-making switch 7
Contact setting, 5 amplitude of fluctuation of oscillating rod increases and then drives the touching lever 6 substantially to swing and touch the contact when elevator stall
The contact of switch 7, the contact-making switch 7 powers off stop elevator after touching lever 6 touches the contact.
The touching lever 6 that the present embodiment is connected by setting with oscillating rod 5, the structure design that touching lever 6 is combined with contact-making switch 7
Realize the auxiliary stop to elevator.Under normal circumstances touching lever 6 will not contact-making switch 7, and when elevator overspeed, oscillating rod 5
The amplitude of oscillation increases, and drives the additional issue of 6 amplitude of oscillation of touching lever, 6 touching switch of touching lever is enabled to make switch motion, the work of stop elevator, into
The job security of one step raising elevator.
The electromagnet 8 for carrying out linkage test is further fixed at the top of the cover board 12, the electromagnet 8 connects close to described
It touches switch 7 to be arranged, is powered triggering so that the electromagnet 8 adsorbs touching lever 6 and makes to electromagnet 8 when elevator does safety tongs linkage test
Pawl 52, which is caught in the ratchet 32 at ratchet 3, acts limiter of speed, finally acts safety tongs again.The test of electromagnet 8 be in order to
It links and tests convenient for the safety tongs after elevator installation, faster can more easily complete test, realize the verifying for safety,
And testing cost can be saved.
In addition, being provided with speed regulation bullet in the cabinet 1 to constrain reset and limit of the oscillating rod 5 in swing
One end of spring 53, the governor spring 53 is fixed at cabinet 1, and the other end is fixedly connected with the oscillating rod 5, for the pendulum
Lever 5 is limited, so that oscillating rod 5 is unlikely to stress and pops up or unsceptered, guarantees the regular event of oscillating rod 5.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention,
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (5)
1. a kind of elevator governor, the cabinet including fixed rope sheave has been rotatably fixed rope sheave, the rope sheave in the cabinet
Be fixed in the cabinet by rotating middle shaft, which is characterized in that be fixed with ratchet on the rotating middle shaft, the ratchet with
The rope sheave rotates coaxially, and is located above the ratchet in the cabinet and is provided with pawl shaft, can in the pawl shaft
It is rotationally fixed with oscillating rod, one end of the oscillating rod is fixed with runner, is provided with pawl in the middle part of the oscillating rod,
In, the ratchet includes cam and multiple ratchets that back of cam is arranged in, and the runner is in contact with the cam face；
The runner is improved in the cam effect amplitude of fluctuation when elevator stall, and then the pawl amplitude of fluctuation is driven to improve
And the ratchet of the back of cam is touched, the pawl and the ratchet are clamped.
2. elevator governor according to claim 1, which is characterized in that it is provided with contact-making switch at the top of the cabinet,
The oscillating rod is connected with the touching lever that one is vertically arranged, and the other end of the touching lever is pierced by the top of the box and connects close to described
The contact setting of touching switch, oscillating rod amplitude of fluctuation increases and then drives the touching lever substantially to swing and touch institute when elevator stall
The contact for stating contact-making switch, the contact-making switch powers off stop elevator after touching lever touches the contact.
3. elevator governor according to claim 2, which is characterized in that be fixed with electromagnet in the top of the box, institute
It states electromagnet to be arranged close to the contact-making switch, is powered triggering so that the electricity to electromagnet when elevator does safety tongs linkage test
The ratchet that magnet absorption touching lever is caught in pawl at ratchet acts limiter of speed, finally acts safety tongs again.
4. elevator governor according to claim 2, which is characterized in that the cabinet includes two pieces of sides disposed in parallel
Plate is fixedly connected on the top of two blocks of side plates by cover board, is fixedly connected in the lower part of two blocks of side plates by bottom plate, described
Contact-making switch is fixed on the cover board top.
5. elevator governor according to any one of claim 1 to 4, which is characterized in that be provided with tune in the cabinet
One end of fast spring, the governor spring is fixed at cabinet, and the other end is fixedly connected with the oscillating rod, for the swing
The limit of bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427479.0U CN208394558U (en) | 2018-03-28 | 2018-03-28 | A kind of elevator governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427479.0U CN208394558U (en) | 2018-03-28 | 2018-03-28 | A kind of elevator governor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208394558U true CN208394558U (en) | 2019-01-18 |
Family
ID=65064399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820427479.0U Active CN208394558U (en) | 2018-03-28 | 2018-03-28 | A kind of elevator governor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208394558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275534A (en) * | 2018-03-28 | 2018-07-13 | 苏州尼隆电梯部件有限公司 | A kind of elevator governor |
-
2018
- 2018-03-28 CN CN201820427479.0U patent/CN208394558U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275534A (en) * | 2018-03-28 | 2018-07-13 | 苏州尼隆电梯部件有限公司 | A kind of elevator governor |
| WO2019184415A1 (en) * | 2018-03-28 | 2019-10-03 | 苏州尼隆电梯部件有限公司 | Elevator speed limiter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 8, Zhonggang Road, Xinzhuang Industrial Park, Changshu City, Suzhou City, Jiangsu Province, 215000 Patentee after: Suzhou Nilong Elevator Parts Co.,Ltd. Address before: 215500 No.8 Zhonggang Road, Xinzhuang Industrial Park, Changshu City, Suzhou City, Jiangsu Province Patentee before: SUZHOU NICELONG LIFT ACCESSORIES Co.,Ltd. |
|
| CP03 | Change of name, title or address |