CN208218341U - A kind of falling-proof safety device - Google Patents
A kind of falling-proof safety device Download PDFInfo
- Publication number
- CN208218341U CN208218341U CN201721900109.6U CN201721900109U CN208218341U CN 208218341 U CN208218341 U CN 208218341U CN 201721900109 U CN201721900109 U CN 201721900109U CN 208218341 U CN208218341 U CN 208218341U
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- CN
- China
- Prior art keywords
- driven
- falling
- carrying axle
- active
- proof safety
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Abstract
A kind of falling-proof safety device, comprising: active shaft assembly (I), driven shaft assembly (II), brake wheel assembly (III) and guide rail (IV)；The active shaft assembly includes active carrying axle (1), it is driven castor (3), driving gear (4) are installed on active carrying axle (1), clutch is installed inside the driving gear (4), when the carrier of fall arrest mounting device carrying promptly falls, the clutch enables to the active carrying axle (1) to rotate integrally with driving gear (4)；The driven shaft assembly (II) includes driven carrying axle (8), it is provided on driven carrying axle (8) driven gear (10), the driven gear (10) is engaged with driving gear (4)；Brake wheel assembly is mounted on the end of driven shaft carrying axle (8)；When the driving gear (4) drive the driven gear (10) rotation, the brake wheel assembly can realize brake fall arrest with the guide rail (IV) collective effect.
Description
Technical field
The utility model relates to communications and transportation, material lifting technical field more particularly to a kind of falling-proof safety devices, especially
It is related to a kind of elevator bucket falling-proof safety device.
Background technique
Currently, what the material bucket elevator of nearly all producer was all made of is hoist engine by wirerope by hopper along leading
The demand height that rail is promoted, but there is the case where abrasion in wirerope, need in time more in serious wear in use
It changes, some wirerope are broken when replacing not in time, lead to hopper moment free-falling, personnel cause damages to relevant operation
Even life-threatening, while hopper fall after well damage can not continue to use, needing to re-replace can just continue to produce.With
Upper problem seriously threatens the security of the lives and property of user.
Utility model content
To solve drawbacks described above existing in the prior art, the utility model is intended to provide structure optimization, transport process is put down
Surely, convenient to install and maintain, safe and reliable, low in cost, be easily achieved, the service life is long, it is compact-sized, suitable under various operating conditions
A kind of falling-proof safety device, especially a kind of elevator bucket falling-proof safety device and the use falling-proof safety device
Lifting device.
For this purpose, the utility model uses following technical scheme:
A kind of falling-proof safety device includes: active shaft assembly (I), driven shaft assembly (II), brake wheel assembly
(III) and guide rail (VI)；The active shaft assembly (I) includes active carrying axle (1), is driven castor (3), in active carrying axle
(1) it is equipped on driving gear (4), clutch is installed inside the driving gear (4), in the fall arrest mounting device
When the carrier of carrying promptly falls, the clutch enables to the active carrying axle (1) and driving gear (4) integrally to revolve
Turn；The driven shaft assembly (II) includes driven carrying axle (8), and driven gear (10) are provided on driven carrying axle (8),
The driven gear (10) is engaged with driving gear (4)；Brake wheel assembly (III) is mounted on the end of driven shaft carrying axle (8)；
When the driving gear (4) drive the driven gear (10) rotation, the brake wheel assembly (III) can be with the guide rail
(VI) collective effect realizes brake fall arrest.
As a preferred embodiment, the active shaft assembly (I), which further includes, actively carries bearing housing (2), described
Transmission castor (3) is mounted on the both ends of active carrying axle (1), it is described actively carry bearing housing (2) for install support described in
Active carrying axle (1).
As a preferred embodiment, the falling-proof safety device is fixedly mounted by described actively carry bearing housing (2)
Onto the device to fall arrest.
As a preferred embodiment, the clutch is used to control whether to pass the rotational kinetic energy of the active carrying axle (1)
Pass the driving gear (4)；The centrifugal pawl clutch includes ratchet (5), pawl (6), elastic telescopic part (7) and interior
Nested (14), wherein the elastic telescopic part (7) and pawl (6) setting are nested with (14) described, the elastic telescopic part (7)
It is arranged in a rotatable way, one end regulation of the elastic telescopic part (7) is nested on (14) described, other end
Fixed on the pawl (6), be nested with (14) are set on active carrying axle (1), the ratchet (5) and driving tooth
Wheel (4) is fixedly connected.
As a preferred embodiment, when running well, under the action of elastic telescopic part (7), the pawl (6) and spine
Wheel (5) is separated from each other, i.e. the rotational kinetic energy of active carrying axle (1) is not transferred to driving gear (4).
As a preferred embodiment, the elastic telescopic part (7) is spring or rubber band or gas spring.
As a preferred embodiment, the driven shaft assembly (II) further includes driven carrying bearing housing (9).
As a preferred embodiment, the brake wheel assembly (III) has brake wheel and casing (12), in described sleeve pipe (12)
It is internally provided with internal screw thread corresponding with end (13) screw thread of the driven carrying axle (8), at the end of described sleeve pipe (12)
It is provided on portion periphery protrudent pin (11), driven carrying bearing housing (9) is used to support the driven carrying axle (8), driven
The sliding groove for accommodating the protrudent pin (11), in emergency brake, the protrudent pin are provided in carrying bearing housing (9)
(11) linear motion can be realized in above-mentioned sliding groove.
As a preferred embodiment, another structure of the brake wheel assembly (III) is saving protrudent pin (11) and casing
(12)；By the brake disc of brake wheel assembly (III) according to the shape of two side rails (VI), squarely, ellipse or other non-are designed
Circular shape, brake disc under the state of emergency, moves along a straight line under railway effect, squeezes two side rails and realizes that brake purpose prevents from expecting
Bucket falls.
As a preferred embodiment, the falling-proof safety device is fallen for elevator bucket safe anti-falling.
A kind of material lifting device comprising the falling-proof safety device.
The utility model has structure optimization, transport process steady, convenient to install and maintain, safe and reliable, low in cost, easy
In realize, the service life is long, compact-sized the advantages that, filled suitable for the material lifting device under various operating conditions, especially bucket lifting
It sets, it is easy to spread.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of falling-proof safety device described in the utility model；
Fig. 2A -2E is the working principle diagram of falling-proof safety device described in the utility model.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.Here it needs
To illustrate that attached drawing listed by present specification and the specific embodiment provided are merely to be better described originally practical new
The utility model of type conceives and the illustrative diagram that provides, must not be not understood as unique correct embodiment party of the utility model
Formula must not be not understood as limitations of the present invention explanation.
Fig. 1 is the structural schematic diagram of falling-proof safety device described in the utility model, the falling-proof safety device packet
Include active shaft assembly (I), driven shaft assembly (II), brake wheel assembly (III) and guide rail (VI)；The active shaft assembly (I) includes
There is active carrying axle (1), actively carry bearing housing (2), be driven castor (3), the transmission castor (3), which is mounted on, actively to be carried
The both ends of axis (1), it is described actively carry bearing housing (2) for install the support active carrying axle (1), in active carrying axle
(1) driving gear (4) are installed on, centrifugal pawl clutch are installed inside driving gear (4), the clutch is used for
Control whether that the rotational kinetic energy by the active carrying axle (1) passes to the driving gear (4)；The centrifugal ratchet clutch
Device includes ratchet (5), pawl (6), elastic telescopic part (7) and is nested with (14), wherein the elastic telescopic part (7) and pawl
(6) setting is nested with (14) described, and the elastic telescopic part (7) is arranged in a rotatable way, the elastic telescopic
One end regulation of part (7) is nested on (14) described, and other end is fixed on the pawl (6), described to be nested with (14)
It is set on active carrying axle (1), the ratchet (5) is fixedly connected with driving gear (4).When running well, stretched in elasticity
Under the action of contracting part (7), the pawl (6) and ratchet (5) are separated from each other, i.e., the rotational kinetic energy of active carrying axle (1) is not
Driving gear (4) can be passed to.
The driven shaft assembly (II) includes driven carrying axle (8), driven carrying bearing housing (9), in driven carrying
It is provided on axis (8) driven gear (10), the driven gear (10) is engaged with driving gear (4)；Brake wheel assembly (III) peace
Mounted in the both ends of driven shaft carrying axle (8), design has screw thread, the brake wheel on the end (13) of the driven carrying axle (8)
Component (III) has brake wheel and casing (12), is internally provided with the end with the driven carrying axle (8) in described sleeve pipe (12)
The corresponding internal screw thread of portion (13) screw thread, is provided with protrudent pin (11), driven carrying on the end periphery of described sleeve pipe (12)
Bearing housing (9) is used to support the driven carrying axle (8), is provided on driven carrying bearing housing (9) for accommodating
The sliding groove for stating protrudent pin (11), in emergency brake, the protrudent pin (11) can realize that straight line is transported in above-mentioned sliding groove
It is dynamic.
The falling-proof safety device is fixedly installed to device to fall arrest by the bearing housing (2) that actively carries
On, for example, when described when the device of fall arrest is bucket lifting mechanism, it is described actively to carry bearing housing (2) fixed installation
On the side plate of elevator bucket.
In addition, the brake wheel assembly (III) can also save protrudent pin (11) and bearing block (9) sliding groove；By brake wheel
According to the shape of two side rails, the shapes such as squarely, ellipse, brake wheel under the state of emergency, the straight line under railway effect are designed
Movement squeezes two side rails and realizes that brake purpose prevents hopper from falling.
Elastic telescopic part (7) described in the utility model is the bullets such as the device for having flexible ability, including spring, rubber band
Property part.
The pawl (6) and elastic telescopic part (7): the fixed form of pawl (6) and elastic telescopic part (7), it can be with master
On the basis of axis, integrated spindle axis is integrated；Or on key installation fixed main shaft.
The transmission castor (3) and brake wheel roll in lifting process along guide rail (VI), and the transmission castor (3) is being expected
Fracture, which occurs, for bucket wirerope can accelerate to roll when falling, the faster rotational speed of driving shaft carrying axle (1), thus make centrifugal ratchet from
The pawl (6) of clutch under the action of the centrifugal force, is detached from the constraint of elastic telescopic part (7), snaps on ratchet (5), in the clutch
So that driving gear (4) and driving shaft carrying axle (1) unitary rotation under the action of device.Driving tooth described further
The rotational kinetic energy of wheel (4) passes to driven gear (10), and driving gear (4) movement drives driven gear (10) rotation, makes described
Driven carrying axle (8) rotation.
Since end (13) design of the driven carrying axle (8) has screw thread, while the set of brake wheel assembly (III)
Corresponding screw thread is also equipped with inside pipe 12, while the protrudent pin (11) of casing (12) is limited in driven carrying bearing housing
(9) in sliding slot, therefore, the rotation meeting of the driven carrying axle (8) so that the end (13) of the driven carrying axle (8) spiral shell
Line and the internal screw thread of described sleeve pipe (12) generate relative motion, so that the brake wheel is quickly moved to two sides, squeeze two
The track (VI) of side achievees the purpose that brake under the state of emergency of falling, and prevents hopper from falling.
As the another embodiment of the utility model, another structure of the brake wheel assembly (III) is saving protrusion
Sell (11) and casing (12)；To brake wheel assembly (III) brake disc according to the shape of two side rails (VI), design squarely,
Oval or other non-circular shapes, brake disc under the state of emergency, move along a straight line under railway effect, squeeze two side rails and realize
Brake purpose prevents hopper from falling.
The utility model has structure optimization, transport process steady, convenient to install and maintain, safe and reliable, low in cost, easy
In realize, the service life is long, compact-sized the advantages that, it is easy to spread suitable for the bucket lifting device under various operating conditions.
Although exemplary embodiment describes the utility model with reference to several, it is to be understood that, term used is explanation
With term exemplary, and not restrictive.Since the utility model can be embodied in a variety of forms without departing from practical new
The spirit or essence of type, it should therefore be appreciated that above-described embodiment is not limited to any of the foregoing details, and should be in appended claims
Defined by widely explain in spirit and scope, therefore fall into whole change and modification in claim or its equivalent scope
It all should be appended claims to be covered.
Claims (10)
1. a kind of falling-proof safety device, including active shaft assembly (I), driven shaft assembly (II), brake wheel assembly (III) and lead
Rail (VI)；The active shaft assembly (I) includes active carrying axle (1), is driven castor (3), installs on active carrying axle (1)
Have driving gear (4), clutch is installed inside the driving gear (4), in the carrying of falling-proof safety device carrying
When object promptly falls, the clutch enables to the active carrying axle (1) to rotate integrally with driving gear (4)；It is described from
Moving axis component (II) includes driven carrying axle (8), is provided on driven carrying axle (8) driven gear (10), described driven
Gear (10) is engaged with driving gear (4)；Brake wheel assembly (III) is mounted on the end of driven carrying axle (8)；When the active
When gear (4) drives the driven gear (10) rotation, the brake wheel assembly (III) can be made jointly with the guide rail (VI)
With realization brake fall arrest.
2. falling-proof safety device as described in claim 1, the active shaft assembly (I) further includes active carrying axle
Bearing block (2), transmission castor (3) is mounted on the both ends of active carrying axle (1), described actively to carry bearing housing (2) use
The active carrying axle (1) is supported in installation.
3. falling-proof safety device as claimed in claim 2, the falling-proof safety device passes through the active carrying axle axis
Seat (2) is held to be fixedly installed on the device to fall arrest.
4. falling-proof safety device as described in claim 1, the clutch is for controlling whether the active carrying axle
(1) rotational kinetic energy passes to the driving gear (4)；The clutch is centrifugal pawl clutch, and it includes ratchets
(5), it pawl (6), elastic telescopic part (7) and is nested with (14), wherein the elastic telescopic part (7) and pawl (6) are arranged in institute
It states and is nested on (14), the elastic telescopic part (7) is arranged in a rotatable way, and the one of the elastic telescopic part (7)
End is nested on (14) described in being fixed on, and other end is fixed on the pawl (6), and be nested with (14) are set in actively
In carrying axle (1), the ratchet (5) is fixedly connected with the driving gear (4).
5. falling-proof safety device as claimed in claim 4, when running well, under the action of elastic telescopic part (7), institute
It states pawl (6) and ratchet (5) is separated from each other, is i.e. the rotational kinetic energy of active carrying axle (1) is not transferred to driving gear
(4), the elastic telescopic part (7) is spring, rubber band or gas spring.
6. falling-proof safety device as described in claim 1, the driven shaft assembly (II) further includes driven carrying
Bearing housing (9).
7. falling-proof safety device as described in claim 1, the brake wheel assembly (III) has brake wheel and casing (12),
It is internally provided with internal screw thread corresponding with end (13) screw thread of the driven carrying axle (8) in described sleeve pipe (12), in institute
It states and is provided on the end periphery of casing (12) protrudent pin (11), driven carrying bearing housing (9) is used to support described driven hold
It carries axis (8), the sliding groove for accommodating the protrudent pin (11) is provided on driven carrying bearing housing (9), is promptly being stopped
Che Shi, the protrudent pin (11) can realize linear motion in above-mentioned sliding groove.
8. the falling-proof safety device is pacified for elevator bucket such as claim 1-7 described in any item falling-proof safety devices
Full fall arrest.
9. falling-proof safety device according to claim 1-6, by brake wheel assembly (III) brake disc according to
The shape of two side rails (VI) designs squarely, ellipse or other non-circular shapes, brake disc under the state of emergency, in guide rail
The lower linear motion of effect squeezes two side rails and realizes that brake purpose prevents hopper from falling.
10. a kind of material lifting device comprising the described in any item falling-proof safety devices of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721900109.6U CN208218341U (en) | 2017-12-29 | 2017-12-29 | A kind of falling-proof safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721900109.6U CN208218341U (en) | 2017-12-29 | 2017-12-29 | A kind of falling-proof safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208218341U true CN208218341U (en) | 2018-12-11 |
Family
ID=64533054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721900109.6U Expired - Fee Related CN208218341U (en) | 2017-12-29 | 2017-12-29 | A kind of falling-proof safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208218341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002319A (en) * | 2017-12-29 | 2018-05-08 | 青岛中海德自动化设备有限公司 | A kind of falling-proof safety device |
-
2017
- 2017-12-29 CN CN201721900109.6U patent/CN208218341U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002319A (en) * | 2017-12-29 | 2018-05-08 | 青岛中海德自动化设备有限公司 | A kind of falling-proof safety device |
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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: 20181211 Termination date: 20211229 |