CN217339824U

CN217339824U - Escape device

Info

Publication number: CN217339824U
Application number: CN202221373165.XU
Authority: CN
Inventors: 张恒
Original assignee: Hebei Hugong Lifting Equipment Group Co ltd
Current assignee: Hebei Hugong Lifting Equipment Group Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-09-02
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses an escape device, which comprises a third wheel arranged below an upper chassis, wherein the third wheel comprises wheel bodies which are symmetrically arranged up and down and a wheel ring at the center; a plurality of planet wheels are distributed on the circumference of one side of the wheel body, which is far away from the upper chassis; the central position of the over wheel is provided with a shaft hole, the inner key of the shaft hole is connected with a rotating shaft, the rotating shaft is sleeved with a sun wheel, and the sun wheel is meshed with a plurality of planet wheels; a transmission speed reducing mechanism is arranged below the idler wheel and comprises an inner gear ring meshed with a plurality of planet wheels, and a plurality of connecting holes are circumferentially distributed on an annular disc of the inner gear ring; wherein a collision column is arranged on the connecting hole of the inner gear ring; a collision mechanism is arranged below the inner gear ring, the collision mechanism comprises centrifugal discs which are distributed in an up-down symmetrical manner, and a collision block is arranged between the upper centrifugal disc and the lower centrifugal disc; the center of the centrifugal disc is meshed with the sun wheel. The utility model discloses the ware of fleing realizes multistage speed reduction, has not only ensured the performance and the security of the ware of fleing, has still prolonged life.

Description

Escape device

Technical Field

The utility model relates to a high altitude slowly falls escape device technical field, especially relates to an escape device.

Background

The escape device is also called a slow descending device, consists of a hook (or a lifting ring), a hanging strip, a rope, a speed controller and the like, and is a safe rescue device which can lead people to slowly descend along the rope (belt). When the device works, the slow descending rope drives the planet gear speed reducing mechanism in the main machine to operate and generate a friction effect with the friction block in the friction wheel hub, so that a user is guaranteed to safely and slowly descend to the ground. However, the friction block in the friction hub is easy to scrap after long-term friction, has a short service life, and also has the risk of failure of the escape apparatus. Based on this, the utility model provides a ware of fleing that can multistage speed reduction.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an escape device, which solves the problems mentioned above.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to an escape device, which comprises an upper chassis, wherein a third wheel is arranged below the upper chassis, the third wheel comprises wheel bodies which are symmetrically arranged up and down and wheel rings which are positioned at the central position of the wheel bodies, and a lifting rope is wound on the wheel rings; a plurality of planet wheels are circumferentially distributed on one side of the wheel body, which is far away from the upper chassis; a shaft hole is formed in the center of the passing wheel, a rotating shaft is connected in the shaft hole in a key mode, a sun wheel is sleeved outside the rotating shaft, and the sun wheel is meshed with the planetary wheels; a transmission speed reducing mechanism is arranged below the intermediate wheel, the transmission speed reducing mechanism comprises an inner gear ring meshed with the plurality of planet wheels, and a plurality of connecting holes are circumferentially distributed on an annular disc of the inner gear ring; wherein a collision column is arranged on the connecting hole of the inner gear ring; a collision mechanism is arranged below the inner gear ring and comprises centrifugal discs which are distributed in an up-and-down symmetrical mode, the upper centrifugal disc and the lower centrifugal disc are connected together through a plurality of mounting columns, and collision blocks are slidably sleeved on the mounting columns; the center of the centrifugal disc is provided with inner teeth meshed with the sun gear; and a lower chassis is arranged below the collision mechanism, and the other end of the collision column is fixedly connected with the lower chassis.

Furthermore, the upper chassis and the transmission speed reducing mechanism are fixedly connected together through a plurality of connecting bolts.

Furthermore, the mounting column is loosely matched with the collision block.

Furthermore, the outer sides of the upper chassis and the lower chassis are respectively provided with a shell for wrapping the upper chassis and the lower chassis, and the upper shell and the lower shell are fixedly installed together through bolts.

Further, guide wheels are symmetrically arranged at the front end position between the upper chassis and the transmission speed reducing mechanism.

Further, the wheel ring is rotatably arranged between the wheel bodies.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model discloses a ware of fleing realizes first speed reduction through the friction that produces between lifting rope and the guide pulley, and the novel reduction gears who constitutes through sun gear, planet wheel and ring gear realizes the second speed reduction, and is rotatory under the sun gear effect through centrifugal disc for hit the piece and produce centrifugal force, with hit the post collision together, realize the third speed reduction. In a word, the utility model discloses the ware of fleing realizes multistage speed reduction, has not only ensured the performance and the security of the ware of fleing, has still prolonged life.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a front view of the escape apparatus of the present invention;

FIG. 2 is a first view of the first embodiment of the escape apparatus;

FIG. 3 is a second partial top view of the escape apparatus of the present invention;

FIG. 4 is a top plan view of the upper/lower tray;

FIG. 5 is a top view of the idler;

FIG. 6 is a front view of the carrier;

FIG. 7 is a top view of the transmission reduction mechanism;

FIG. 8 is a top view of the impact mechanism;

FIG. 9 is a front view of the impact mechanism;

FIG. 10 is a sun gear structural view;

FIG. 11 is a view showing the construction of the housing;

description of reference numerals: 1. an upper chassis; 2. passing a wheel; 3. a transmission speed reduction mechanism; 4. a collision mechanism; 5. a lower chassis; 6. bumping the column; 7. a guide wheel; 8. a rotating shaft; 9. a sun gear; 10. a housing;

2-1, a wheel body; 2-2, shaft holes; 2-3, planet wheels; 2-4, a wheel ring;

3-1, an inner gear ring; 3-2, connecting holes;

4-1, centrifugal disc; 4-2, mounting columns; 4-3, collision block.

Detailed Description

As shown in fig. 1-11, an escape apparatus comprises an upper chassis 1, wherein a third wheel 2 is mounted below the upper chassis 1, the third wheel 2 comprises wheel bodies 2-1 which are vertically symmetrically mounted, and wheel rings 2-4 which are located at the center of the wheel bodies 2-1, and the wheel rings 2-4 are rotatably mounted between the wheel bodies 2-1. And the hoisting rope is wound on the wheel ring 2-4, and the wheel ring 2-4 is driven to rotate while the hoisting rope rotates. A plurality of planet wheels 2-3 are distributed on the circumference of one side, away from the upper chassis 1, of the wheel body 2-1 (the number of the planet wheels is at least two, in this embodiment, the number of the planet wheels is three), a shaft hole 2-2 is installed at the center position of the intermediate wheel 2, a rotating shaft 8 is connected in the shaft hole 2-2 in a key manner, a sun wheel 9 is sleeved outside the rotating shaft 8, and the sun wheel 9 is meshed with the planet wheels 2-3. The wheel ring 2-4 rotates to drive the rotating shaft 8 to rotate, so that the sun wheel 9 is driven to rotate, and the planet wheel 2-3 meshed with the sun wheel 9 also rotates at the same time.

The transmission speed reducing mechanism 3 is arranged below the intermediate wheel 2, the transmission speed reducing mechanism 3 comprises an inner gear ring 3-1 meshed with the planetary wheels 2-3, and the inner gear ring 3-1, the sun wheel 9 and the planetary wheels 2-3 form a planetary speed reducing mechanism together, so that the speed reducing effect is realized.

A plurality of connecting holes 3-2 are circumferentially distributed on the annular disc of the inner gear ring 3-1, wherein the connecting holes 3-2 positioned on the inner gear ring 3-1 are provided with collision columns 6. A collision mechanism 4 is arranged below the inner gear ring 3-1, the collision mechanism 4 comprises centrifugal discs 4-1 which are distributed in an up-down symmetrical mode, the centrifugal discs 4-1 are connected together through a plurality of mounting columns 4-2, and collision blocks 4-3 are sleeved on the mounting columns 4-2 in a sliding mode. The mounting column 4-2 is loosely matched with the collision block 4-3. The center of the centrifugal disc 4-1 is provided with internal teeth which are meshed with the sun gear 9. When the centrifugal disc 4-1 rotates along with the meshed sun wheel 9, the collision block 4-3 is thrown out outwards under the action of centrifugal force and collides with the collision column 6, acting force generated by collision plays a role in speed reduction, and the collision block 4-3 and the collision column 6 have longer service life and lower probability of safety risk compared with common friction plates.

A lower chassis 5 is arranged below the collision mechanism 4, and the other end of the collision column 6 is fixedly connected with the lower chassis 5. The upper chassis 1 and the transmission speed reducing mechanism 3 are fixedly connected together through a plurality of connecting bolts. And the outer sides of the upper chassis 1 and the lower chassis 5 are both provided with a shell 10 for wrapping the upper chassis and the lower chassis, and the upper shell 10 and the lower shell 10 are fixedly arranged together through bolts.

Guide wheels 7 are symmetrically arranged at the front end between the upper chassis 1 and the transmission speed reducing mechanism 3, and the lifting rope passes through the guide wheels 7 and then enters and exits the pulleys 2, so that the friction between the guide wheels 7 and the lifting rope can play a certain speed reducing role.

The action process of the utility model is as follows:

firstly, a lifting rope is wound on the wheel ring 2-4, and when the lifting rope slides downwards rapidly under the action of external force, the wheel ring 2-4 is driven to rotate; the wheel ring 2-4 rotates to drive the rotating shaft 8 to rotate, so that the sun wheel 9 is driven to rotate, the planet wheels 2-3 meshed with the sun wheel 9 also rotate simultaneously, the inner gear ring 3-1 meshed with the planet wheels 2-3 rotates, and the inner gear ring 3-1, the sun wheel 9 and the planet wheels 2-3 form a planet speed reducing mechanism to realize the function of primary speed reduction; secondly, the centrifugal disc 4-1 rotates along with the meshed sun wheel 9, the collision block 4-3 is thrown outwards under the action of centrifugal force and collides with the collision column 6, and acting force generated by collision plays a role in speed reduction to perform secondary speed reduction; finally, the rope goes in and out of the wheel 2 after passing through the guide wheel 7, so that the friction between the guide wheel 7 and the rope plays a role of three-level deceleration.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. An escape apparatus, which is characterized in that: the lifting rope winding device comprises an upper chassis (1), wherein a passing wheel (2) is arranged below the upper chassis (1), the passing wheel (2) comprises wheel bodies (2-1) which are arranged in an up-down symmetrical mode, wheel rings (2-4) which are located at the center positions of the wheel bodies (2-1), and the wheel rings (2-4) are wound by lifting ropes; a plurality of planet wheels (2-3) are distributed on the circumference of one side of the wheel body (2-1) far away from the upper chassis (1); a shaft hole (2-2) is formed in the center of the intermediate wheel (2), a rotating shaft (8) is connected to the inner key of the shaft hole (2-2), a sun wheel (9) is sleeved outside the rotating shaft (8), and the sun wheel (9) is meshed with the planetary wheels (2-3); a transmission speed reducing mechanism (3) is arranged below the intermediate wheel (2), the transmission speed reducing mechanism (3) comprises an inner gear ring (3-1) meshed with the plurality of planet wheels (2-3), and a plurality of connecting holes (3-2) are circumferentially distributed on an annular disc of the inner gear ring (3-1); wherein a collision column (6) is arranged on the connecting hole (3-2) of the inner gear ring (3-1); a collision mechanism (4) is arranged below the inner gear ring (3-1), the collision mechanism (4) comprises centrifugal discs (4-1) which are vertically and symmetrically distributed, the upper and lower centrifugal discs (4-1) are connected together through a plurality of mounting columns (4-2), and collision blocks (4-3) are slidably sleeved on the mounting columns (4-2); the center of the centrifugal disc (4-1) is provided with internal teeth meshed with the sun gear (9); a lower chassis (5) is arranged below the collision mechanism (4), and the other end of the collision column (6) is fixedly connected with the lower chassis (5).

2. The escape apparatus according to claim 1, wherein: the upper chassis (1) and the transmission speed reducing mechanism (3) are fixedly connected together through a plurality of connecting bolts.

3. The escape apparatus according to claim 1, wherein: the mounting column (4-2) is loosely matched with the collision block (4-3).

4. The escape apparatus according to claim 1, wherein: the outer sides of the upper chassis (1) and the lower chassis (5) are respectively provided with a shell (10) which wraps the upper chassis and the lower chassis, and the upper shell and the lower shell (10) are fixedly installed together through bolts.

5. The escape apparatus of claim 1, wherein: guide wheels (7) are symmetrically arranged at the front end position between the upper chassis (1) and the transmission speed reducing mechanism (3).

6. The escape apparatus according to claim 1, wherein: the wheel rings (2-4) are rotatably arranged between the wheel bodies (2-1).