CN206857907U - A kind of device for preventing elevator from falling - Google Patents
A kind of device for preventing elevator from falling Download PDFInfo
- Publication number
- CN206857907U CN206857907U CN201720757591.6U CN201720757591U CN206857907U CN 206857907 U CN206857907 U CN 206857907U CN 201720757591 U CN201720757591 U CN 201720757591U CN 206857907 U CN206857907 U CN 206857907U
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- CN
- China
- Prior art keywords
- face
- gear
- cone drum
- ratchet
- disk spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a kind of device for preventing elevator from falling,Its structure includes cone drum brake,Disk spring group,Cone drum,Ratchet,Filter gear,Centrifugal speed-limiting device,Terminal box,Cone drum brake is connected with disk spring group by the way of face is bonded with face,Disk spring group is movably connected on the right end face of cone drum brake,Cone drum is movably connected on the right end face of disk spring group,Ratchet is uniformly equally spaced in the outer surface of cone drum,Cone drum brake is internally connected with filtering gear,Gear is filtered to be intermeshed with ratchet,Gear is filtered by end face,Normal plane,Connecting hole,The flank of tooth,The gear teeth form,The utility model can produce braking moment by the intermeshing between gear and ratchet,So as to when limitation cage hypervelocity is descending,Accurate braking distance when calculating the specified brake load of elevator,It is more effectively prevented from and eliminates the generation of cage falling accident,Improve the unfailing performance and practicality of equipment.
Description
Technical field
The utility model is a kind of device for preventing elevator from falling, belongs to elevator safety technical field.
Background technology
The operation principle of elevator anti-falling safety device is:When the descending speed of service of the objective of defense reaches the responsiveness of demarcation
When, its centrifugal speed-limiting device gets rid of block displacement, and band mantle drum is moved to brake band, contacted and produces braking moment, while dish
Shape groups of springs is compressed, and measures the size of decrement, by calculating braking distance when can determine whether its specified brake load.Composition
The main device of cone of gears cydariform gradual anti-falling safety device has：Gear, centrifugal speed-limiting device and cone drum brake.Construction
Why manned loading that can be safe is run lift, is equipped with anti-falling safety device mainly due to it, is substantially increased peace
Overall coefficient.Construction site is widely used that what the dual-purpose building hoist of people's goods of rack pinion was commonly equipped with present
It is cone of gears cydariform gradual anti-falling safety device.Part II calibrating to anti-falling safety device is to be directed to cone drum brake, I
Need to check whether big copper nut, screw rod, cone drum, disk spring, instruction pin etc. intact, and whether function normal, while also
Pay attention to being purged greasy dirt and corrosion.
Prior art published application number be CN201520910851.X a kind of means of transport, be by emergency stop button,
Elevator floor button, car guide rail, independent current source, car frame, Breake Electromagnet, car form, it is characterised in that：Elevator
Floor button is arranged on the right of cab interior, and emergency stop button is arranged on the top of elevator floor button, and car is arranged on
In car frame, two sets of independent current sources are separately mounted to the right and left on car frame top, and four Breake Electromagnets are arranged on
Car frame the right and left, car guide rail and Breake Electromagnet, which coordinate, is arranged on car frame both sides.The usefulness of the invention
It is：Outside the characteristics of device maximum, is whole falling proof device independently of elevator car safety and control system.Work as elevator
When the reasons such as steel rope breaking, brake braking force deficiency, safety tongs failure cause used during elevator falling, passenger can press tightly in car
Anxious locking key is powered by independent power supply to Breake Electromagnet, so as to be braked to elevator, is avoided because of used during elevator falling
Caused by casualties and property loss.But prior art by the intermeshing between gear and ratchet due to can not be produced
Raw braking moment, limit cage hypervelocity it is descending when, it is impossible to accurate braking distance when calculating the specified brake load of elevator, it is practical
Performance.
Utility model content
In view of the deficienciess of the prior art, the utility model purpose is to provide a kind of device for preventing elevator from falling, to solve
Prior art is descending in limitation cage hypervelocity due to that can not produce braking moment by the intermeshing between gear and ratchet
When, it is impossible to accurate braking distance when calculating the specified brake load of elevator, the problem of practical performance.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of elevator fall arrest
Device, its structure include cone drum brake, disk spring group, cone drum, ratchet, filtering gear, centrifugal speed-limiting device, wiring
Box, the cone drum brake are connected with disk spring group by the way of face is bonded with face, and the disk spring group activity connects
The right end face of cone drum brake is connected to, the cone drum is movably connected on the right end face of disk spring group, and the ratchet is equal
Even be equally spaced is internally connected with filtering gear in the outer surface of cone drum, the cone drum brake, the filtering gear with
Ratchet is intermeshed, and the filtering gear is made up of end face, normal plane, connecting hole, the flank of tooth, the gear teeth, and the end face uses with normal plane
The mode that face is bonded with face is connected, and the normal plane vertical welding is integrated into the upper surface of end face, the normal plane with connecting hole
Type structure, the connecting hole are embedded in the outer surface of normal plane, the upper end face vertical welding geared surface of the normal plane, the flank of tooth
Inner surface be uniformly equidistantly connected with the gear teeth, the filtering gear passes through the gear teeth and is intermeshed with ratchet, the cone cydariform braking
The left end surface of device is vertically connected with centrifugal speed-limiting device, and the lower surface of the centrifugal speed-limiting device is fixedly connected with wiring
Box.
Further, the left end surface of the centrifugal speed-limiting device is embedded with access port, the surrounding point of the access port
It is furnished with installation bolt.
Further, the access port is the circular configuration that radius is 20mm.
Further, the flank of tooth is shaped as annular, and its internal diameter is 30-35mm.
Further, the connecting hole is the circular configuration that quantity is 8.
Further, the terminal box is the rectangular configuration that length is 60mm.
Further, the material of the cone drum is high-carbon steel/medium carbon steel.
The beneficial effects of the utility model：By the way that provided with filtering gear, mutually nibbling between gear and ratchet can be passed through
Close and produce braking moment, so as to limit cage hypervelocity it is descending when, accurate braking distance when calculating the specified brake load of elevator,
The generation of cage falling accident is more effectively prevented from and eliminated, improves the unfailing performance and practicality of equipment.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of device for preventing elevator from falling of the utility model.
Fig. 2 is the structural representation that the utility model filters gear.
In figure：Bore drum brake -1, disk spring group -2, cone drum -3, ratchet -4, filtering gear -5, centrifugal speed limit
Device -6, terminal box -7, end face -50, normal plane -51, connecting hole -52, the flank of tooth -53, the gear teeth -54, access port -60, installation bolt -
61。
Embodiment
Technological means, creation characteristic, reached purpose and effect to realize the utility model are easy to understand, below
With reference to embodiment, the utility model is expanded on further.
Fig. 1-Fig. 2 is referred to, the utility model provides a kind of device for preventing elevator from falling, and its structure includes cone drum brake
1st, disk spring group 2, cone drum 3, ratchet 4, filtering gear 5, centrifugal speed-limiting device 6, terminal box 7, the cone drum brake 1
It is connected with disk spring group 2 by the way of face is bonded with face, the disk spring group 2 is movably connected on cone drum brake 1
Right end face, the cone drum 3 is movably connected on the right end face of disk spring group 2, and the ratchet 4 is uniformly equally spaced in cone
The outer surface of drum 3, the cone drum brake 1 are internally connected with filtering gear 5, and the filtering gear 5 is mutually nibbled with ratchet 4
Close, the filtering gear 5 is made up of end face 50, normal plane 51, connecting hole 52, the flank of tooth 53, the gear teeth 54, the end face 50 and normal plane 51
It is connected by the way of face is bonded with face, the vertical welding of normal plane 51 is in the upper surface of end face 50, and the normal plane 51 is with being connected
Hole 52 is formed in one structure, and the connecting hole 52 is embedded in the outer surface of normal plane 51, and the upper end face of the normal plane 51 is vertical
Weld geared surface 53, the inner surface of the flank of tooth 53 is uniformly equidistantly connected with the gear teeth 54, the filtering gear 5 by the gear teeth 54 with
Ratchet 4 is intermeshed, and the left end surface of the cone drum brake 1 is vertically connected with centrifugal speed-limiting device 6, described centrifugal
The lower surface of speed-limiting device 6 is fixedly connected with terminal box 7, and the left end surface of the centrifugal speed-limiting device 6 is embedded with access port
60, installation bolt 61 is distributed with the surrounding of the access port 60, and the access port 60 is the circular configuration that radius is 20mm, described
The flank of tooth 53 is shaped as annular, and its internal diameter is 30-35mm, and the connecting hole 52 is the circular configuration that quantity is 8, described to connect
Line box 7 is the rectangular configuration that length is 60mm, and the material of the cone drum 3 is high-carbon steel/medium carbon steel.
Filtering gear described in this patent is the important foundation part of mechanized equipment, most complete set of machines it is main
Transmission parts are all gear drives.Typically there are the gear teeth, teeth groove, end face, normal plane, outside circle, root circle, basic circle, reference circle.
In use, the whether firm connection of each several part is first checked for, after confirming Plant in good condition, by the convex of anti-dropping safety device
Shoulder loads mating holes corresponding to bottom plate, and device terminal box of taking care is downward, and the high-strength bolt of dimension is screwed in connecting hole
And tighten, connector cover is opened, the limit switch normally-closed contact in anti-falling safety device is sealed in into lift control loop for descending, then
Install connector cover.
It is of the present utility model to bore drum brake -1, disk spring group -2, cone drum -3, ratchet -4, filtering gear -5, centrifugation
Formula speed-limiting device -6, terminal box -7, end face -50, normal plane -51, connecting hole -52, the flank of tooth -53, the gear teeth -54, access port -60, peace
Bolt -61 are filled, the part that part is universal standard part or those skilled in the art know, its structure and principle are all this technology
Personnel can learn or know by normal experiment method the utility model solves the problems, such as it is prior art by technical manual
Due to braking moment can not be produced by the intermeshing between gear and ratchet, when limitation cage hypervelocity is descending, it is impossible to accurate
Braking distance during the specified brake load of elevator, practical performance are really calculated, the utility model is combined with each other by above-mentioned part,
By the way that provided with filtering gear, braking moment can be produced by the intermeshing between gear and ratchet, so as in limitation cage
When exceeding the speed limit descending, accurate braking distance when calculating the specified brake load of elevator, it is more effectively prevented from and eliminates cage and fall
The generation of accident, the unfailing performance and practicality of equipment are improved, it is described in detail below：
The cone drum brake 1 is internally connected with filtering gear 5, and the filtering gear 5 is intermeshed with ratchet 4,
The filtering gear 5 is made up of end face 50, normal plane 51, connecting hole 52, the flank of tooth 53, the gear teeth 54, and the end face 50 is adopted with normal plane 51
It is connected with face with the mode that face is bonded, the vertical welding of normal plane 51 is in the upper surface of end face 50, the normal plane 51 and connecting hole
52 are formed in one structure, and the connecting hole 52 is embedded in the outer surface of normal plane 51, the upper end face vertical welding of the normal plane 51
The flank of tooth 53 is connected to, the inner surface of the flank of tooth 53 is uniformly equidistantly connected with the gear teeth 54, and the filtering gear 5 passes through the gear teeth 54 and spine
The intermeshing of wheel 4.
In embodiment 1 of the present utility model, the internal diameter of the flank of tooth is 30mm, and the material of the cone drum is medium carbon steel；
In embodiment 2 of the present utility model, the internal diameter of the flank of tooth is 35mm, and the material of the cone drum is high-carbon steel；
| Embodiment 1 | Embodiment 2 | |
| Service life | 10 years | 12 years |
| Reaction speed | Typically | It hurry up |
In summary, when the internal diameter of the flank of tooth of the present utility model uses 35mm, when boring bulging material and using high-carbon steel, this reality
Longer with new service life, reaction speed reaches optimum state.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the utility model is by institute
Attached claim rather than described above limit, it is intended that will fall in the implication and scope of the equivalency of claim
All changes are included in the utility model.Any reference in claim should not be considered as to the involved right of limitation
It is required that.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of device for preventing elevator from falling, its structure includes cone drum brake（1）, disk spring group（2）, cone drum（3）, ratchet
（4）, filtering gear（5）, centrifugal speed-limiting device（6）, terminal box（7）, it is characterised in that：
The cone drum brake（1）With disk spring group（2）It is connected by the way of face is bonded with face, the disk spring group
（2）It is movably connected on cone drum brake（1）Right end face, it is described cone drum（3）It is movably connected on disk spring group（2）The right side
End surfaces, the ratchet（4）Uniformly it is equally spaced and is roused in cone（3）Outer surface, the cone drum brake（1）Inside connection
There is filtering gear（5）, the filtering gear（5）With ratchet（4）Intermeshing；
The filtering gear（5）By end face（50）, normal plane（51）, connecting hole（52）, the flank of tooth（53）, the gear teeth（54）Composition, it is described
End face（50）With normal plane（51）It is connected by the way of face is bonded with face, the normal plane（51）Vertical welding is in end face（50）It is upper
Surface, the normal plane（51）With connecting hole（52）Be formed in one structure, the connecting hole（52）It is embedded in normal plane（51）It is outer
Surface, the normal plane（51）Upper end face vertical welding geared surface（53）, the flank of tooth（53）Inner surface uniformly equidistantly connect
It is connected to the gear teeth（54）, the filtering gear（5）Pass through the gear teeth（54）With ratchet（4）Intermeshing；
The cone drum brake（1）Left end surface be vertically connected with centrifugal speed-limiting device（6）, the centrifugal speed limit dress
Put（6）Lower surface be fixedly connected with terminal box（7）.
A kind of 2. device for preventing elevator from falling according to claim 1, it is characterised in that：The centrifugal speed-limiting device（6）
Left end surface be embedded with access port（60）, the access port（60）Surrounding installation bolt is distributed with（61）.
A kind of 3. device for preventing elevator from falling according to claim 2, it is characterised in that：The access port（60）It is that radius is
20mm circular configuration.
A kind of 4. device for preventing elevator from falling according to claim 1, it is characterised in that：The flank of tooth（53）Be shaped as justify
Annular, its internal diameter are 30-35mm.
A kind of 5. device for preventing elevator from falling according to claim 1, it is characterised in that：The connecting hole（52）It is that quantity is
The circular configuration of 8.
A kind of 6. device for preventing elevator from falling according to claim 1, it is characterised in that：The terminal box（7）It is that length is
60mm rectangular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720757591.6U CN206857907U (en) | 2017-06-27 | 2017-06-27 | A kind of device for preventing elevator from falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720757591.6U CN206857907U (en) | 2017-06-27 | 2017-06-27 | A kind of device for preventing elevator from falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206857907U true CN206857907U (en) | 2018-01-09 |
Family
ID=60828810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720757591.6U Expired - Fee Related CN206857907U (en) | 2017-06-27 | 2017-06-27 | A kind of device for preventing elevator from falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206857907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117023315A (en) * | 2023-10-09 | 2023-11-10 | 大汉科技股份有限公司 | Elevator anti-falling device for building construction |
-
2017
- 2017-06-27 CN CN201720757591.6U patent/CN206857907U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117023315A (en) * | 2023-10-09 | 2023-11-10 | 大汉科技股份有限公司 | Elevator anti-falling device for building construction |
| CN117023315B (en) * | 2023-10-09 | 2023-12-19 | 大汉科技股份有限公司 | Elevator anti-falling device for building construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20180627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |