CN210138383U - Rope winding mechanism for slow descending device - Google Patents
Rope winding mechanism for slow descending device Download PDFInfo
- Publication number
- CN210138383U CN210138383U CN201920953980.5U CN201920953980U CN210138383U CN 210138383 U CN210138383 U CN 210138383U CN 201920953980 U CN201920953980 U CN 201920953980U CN 210138383 U CN210138383 U CN 210138383U
- Authority
- CN
- China
- Prior art keywords
- rope
- rope winding
- fixed pulley
- winding wheel
- wheel
- 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
Links
Images
Landscapes
- Emergency Lowering Means (AREA)
Abstract
The utility model discloses a rope winding mechanism for slowly falling device, its characterized in that: the rope winding wheel is in transmission connection with the brake disc through a transmission mechanism, a brake pad for performing friction braking on the rope winding wheel is arranged on the periphery of the rope winding wheel, and the brake pad is connected with a brake control mechanism for controlling the braking state of the brake pad; the rope passes through the lower sleeve, sequentially bypasses the lower fixed pulley, the rope winding wheel and the upper fixed pulley and then passes through the upper sleeve, and the brake disc is in a braking state under the condition that the brake control mechanism is not affected by external acting force. The utility model discloses a rope winding mechanism for slowly falling device has changed in the past the manual time just can brake the descending form that slows down, can furthest protect user's safety, and beneficial effect is showing, is suitable for application and popularization.
Description
Technical Field
The utility model relates to a rope winding mechanism for slowly falling device, more specifically the utility model relates to a rope winding mechanism for slowly falling device that just can descend with a certain speed when user control that says so.
Background
In the occasions needing to fall from high altitude to low altitude, such as the case that trapped people only escape from the building wall when a fire disaster happens, the case of well bottom and cave rescue without other climbing tools, and special training occasions, people need to be safely delivered to the low altitude from the high altitude. In order to ensure the safety of the personnel during the falling process from a high place, the falling speed of the personnel needs to be controlled within a safety range by an auxiliary tool, so that the personnel can be prevented from being injured. For example, in order to realize that people escape when a fire disaster occurs, patent No. CN2013104409605, a patent document entitled "high-rise building fire escape apparatus" discloses an escape apparatus when a fire disaster occurs, a steel wire rope of the escape apparatus is directly wound on a steel wire wheel, when the escape apparatus is used, as long as an escape person uses the escape apparatus to fall from a height, the steel wire rope drives the steel wire wheel to rotate, the braking force of a brake motor cannot be limited too much, and under the condition that the escape person does not brake through a control lever, the falling speed of the escape apparatus is increased, and the occurrence of life safety accidents of users is easily influenced due to the fact that the falling speed is too high.
If the working mode of the escape device can be changed, the working mode is changed into that: when a user uses the control handle to land from a high place, if the user does not operate the corresponding control handle, the control handle is in a static state, even if the user hangs on a rope and does not move, the user can land only when the user operates the handle, and thus the problem of over-high landing speed caused by improper operation or nonuse of the user is fundamentally solved.
Disclosure of Invention
The utility model discloses an overcome above-mentioned technical problem's shortcoming, provide a rope winding mechanism that is used for slowly falling device that just can descend with the constant speed when user control.
The utility model discloses a rope winding mechanism for slowly falling device, its characterized in that: the rope winding device comprises a lower fixed pulley, an upper fixed pulley, a rope winding wheel, a lower sleeve, an upper sleeve, a rope and a brake disc, wherein the lower fixed pulley, the rope winding wheel and the upper fixed pulley are positioned in the same plane; the lower sleeve is positioned below the lower fixed pulley, the upper sleeve is positioned above the upper fixed pulley, and the opening directions of the upper sleeve and the lower sleeve are along the vertical direction; the rope winding wheel is in transmission connection with the brake disc through a transmission mechanism, a brake pad for performing friction braking on the rope winding wheel is arranged on the periphery of the rope winding wheel, and the brake pad is connected with a brake control mechanism for controlling the brake state of the rope winding wheel; the rope passes through the lower sleeve, sequentially bypasses the lower fixed pulley, the rope winding wheel and the upper fixed pulley and then passes through the upper sleeve, and the brake disc is in a braking state under the condition that the brake control mechanism is not affected by external acting force.
The rope winding mechanism for the slow descending device of the utility model is characterized in that the lower fixed pulley is positioned at the left side of the rope winding wheel, the upper fixed pulley is positioned above the rope winding wheel, the rope is wound on the fixed pulley for half a circle, and the winding length on the rope winding wheel is more than half a circle; the annular groove that holds the rope is all seted up on lower fixed pulley and the last fixed pulley, sets up the annular rope chamber that holds the rope on the rope winding wheel, and the cross section in annular rope chamber is the V font of interior narrow outer width, and the bottom width in annular rope chamber is less than the diameter of rope, and the outer width of following in annular rope chamber is greater than the diameter of rope.
The utility model discloses a rope winding mechanism for slowly falling device, be provided with the fin along radial direction on the inner wall in the annular rope chamber of rope winding wheel.
In the rope winding mechanism for the slow descending device, the lower fixed pulley and the upper fixed pulley are respectively and rotatably arranged on the first wheel shaft and the third wheel shaft, and the rope winding wheel is fixed on the second wheel shaft; the transmission mechanism is composed of a first large gear, a first small gear, a second large gear and a second small gear, the first large gear is fixed on a second wheel shaft, the first small gear and the second large gear are fixed on a fourth wheel shaft, the second small gear and a brake disc are fixed on a fifth wheel shaft, the first large gear is meshed with the first small gear, and the second large gear is meshed with the second small gear.
The utility model discloses a rope winding mechanism for slow descending device, the braking control mechanism comprises release handle, pull rod, L shape connecting rod, and the middle part of release handle is provided with the pivot, and one end of pull rod is connected with the tip of release handle, and the other end of pull rod is connected with one end of L shape connecting rod, and the other end of L shape connecting rod is fixedly connected with braking piece, and the middle part of L shape connecting rod rotates and sets up on the fixed axle; when the release handle is not subjected to external force, the brake pad is in a brake state on the brake disc, and when the release handle is held by a hand to apply pressure on the brake pad, the brake force of the brake pad on the brake disc is weakened.
The utility model has the advantages that: the rope winding mechanism for the slow descending device of the utility model is characterized in that after the rope passes through the lower sleeve, the rope is sequentially wound on the lower fixed pulley, the rope winding wheel and the upper fixed pulley which are positioned in the same plane, and finally the rope is passed through the upper sleeve and is out, and the brake disc which is connected with the rope winding wheel through the transmission mechanism is in a braking state under the condition that the braking control mechanism is not affected by external force, thus, when in use, if force is not applied to the braking control mechanism, the brake disc is in the braking state, the brake disc can not rotate, the rope wound for a plurality of times is immobile at the moment, namely, the rope winding mechanism is immobile on the rope at the moment, only when the user applies force to the braking control mechanism, the rope winding mechanism can descend along the rope, the descending form that the rope can be braked and decelerated when the previous manual control is changed, the safety of the user can be, is suitable for application and popularization.
Drawings
Fig. 1 is a front view of a rope winding mechanism for a descent control device according to the present invention;
fig. 2 is a rear view of the rope winding mechanism for the descent control device of the present invention;
fig. 3 is a left side view of the rope winding mechanism for the slow descending device of the present invention;
fig. 4 is a top view of the rope winding mechanism for the slow descending device of the present invention;
fig. 5 is a perspective view of a rope winding mechanism for a descent control device according to the present invention;
fig. 6 is a schematic structural view of the rope winding wheel of the present invention.
In the figure: the rope-releasing device comprises a lower fixed pulley 1, an upper fixed pulley 2, a rope winding wheel 3, a lower sleeve 4, an upper sleeve 5, a rope 6, a brake disc 7, a brake disc 8, a first large gear 9, a first small gear 10, a second large gear 11, a second small gear 12, a release handle 13, a pull rod 14, a connecting rod 15L-shaped, a fixed shaft 16, a first wheel shaft 17, a second wheel shaft 18, a third wheel shaft 19, a fourth wheel shaft 20, a fifth wheel shaft 21, an annular rope cavity 22 and a convex rib 23.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, the utility model discloses a front view, the back view, the left side view, top view and the stereogram of a rope winding mechanism for slowly falling device are given respectively, the rope winding mechanism for slowly falling device shown comprises lower fixed pulley 1, upper fixed pulley 2, around rope sheave 3, lower sleeve 4, upper sleeve 5, rope 6, brake disc 7, braking piece 8, drive mechanism, braking control mechanism, lower fixed pulley 1 shown, upper fixed pulley 2 and around rope sheave 3 are located the coplanar, lower sleeve 4 is located the below of fixed pulley 1 down, upper sleeve 5 is located the top of upper fixed pulley 2, the internal cavity of lower sleeve 4 and upper sleeve 5 is all along vertical direction. The lower fixed pulley 1 is positioned on the left side of the rope winding wheel 3, the upper fixed pulley 2 is positioned above the rope winding wheel 3, and annular grooves are formed in the outer surfaces of the lower fixed pulley 1 and the upper fixed pulley 2 and used for accommodating the rope 6; an annular rope cavity 22 is arranged on the outer surface of the rope winding wheel 3.
In use, the rope 6 first passes through the lower sleeve 4, then passes around the lower fixed pulley 1, then passes around the rope winding wheel 3, finally passes around the upper fixed pulley 2 and passes out of the upper sleeve 5, the winding angle of the rope 6 on the lower fixed pulley 1 is about half a circle, the winding angle on the rope winding wheel 3 is larger than half a circle (about 3 pi/4), the winding path of the rope 6, in the case that the rope winding wheel 3 is not rotatable, the rope winding mechanism is immovable along the rope 6, i.e. the rope 6 is immovable on its winding path. The rope winding wheel 3 is connected with a brake disc 7 through a transmission mechanism, a brake disc 8 for braking the brake disc 7 is arranged on the periphery of the brake disc 7, the brake disc 8 is connected with a brake control mechanism, and when the brake control mechanism is not subjected to external force, the brake disc 8 is in the state of braking the brake disc 7, namely the rope winding wheel 3 cannot rotate at the moment.
Thus, the utility model discloses a rope winding mechanism when using, with its and user fixed connection back, when not controlling brake control mechanism, user and rope winding mechanism all stop on rope 6, can not descend, only controls brake control mechanism when the user, when making braking piece 8 weaken the brake force of brake disc 7, just can make around rope sheave 3 rotate, just can make user and rope winding mechanism follow rope 6 and slowly fall together. This kind of descending mode has changed in the past when not controlling reduction gears, and the user is in the form of descending with higher speed all the time basically, uses the utility model discloses a during rope winding mechanism, only operate brake control mechanism, just can obtain certain descending speed, furthest has guaranteed user's safety.
The lower fixed pulley 1 and the upper fixed pulley 2 are shown to be rotatably disposed on a first wheel shaft 17 and a third wheel shaft 19, respectively, to ensure free rotation of the lower fixed pulley 1 and the upper fixed pulley 2. The rope winding wheel 3 is fixed on the second wheel shaft 18, the section of an annular rope cavity 22 formed in the rope winding wheel 3 is in a V shape with a narrow inner part and a wide outer part, the width of the bottom of the annular rope cavity 22 is smaller than the diameter of the rope 6, and the width of the outer edge of the annular rope cavity 22 is larger than the diameter of the rope 6, so that the rope 6 can be completely clamped in the annular rope cavity 22, and the rope 6 can not slide in the annular rope cavity 22 when the rope winding wheel 3 cannot rotate (even if the rope winding mechanism at the moment is under the action of downward gravity of a user). In order to further increase the friction of the rope 6 in the annular rope chamber 22, ribs 23 are provided on the inner walls of both sides of the annular rope chamber 22 along the radial direction of the rope winding wheel 3, as shown in fig. 6, the structure of the rope winding wheel is shown.
The transmission mechanism shown consists of a first gearwheel 9, a first pinion 10, a second gearwheel 11, and a second pinion 12, the first gearwheel 9 being fixed on a second wheel axle 18, i.e. arranged coaxially with the rope winding wheel 3. The first small gear 10 and the second large gear 11 are coaxially arranged and are fixed on a fourth wheel shaft 20; the second pinion 12 is arranged coaxially with the brake disc 7 and is fixed to a fifth wheel axle 21, the second wheel axle 19, the fourth wheel axle 20 and the fifth wheel axle 21 being rotatable. The first gearwheel 9 meshes with the first pinion 10 and the second gearwheel 11 meshes with the second pinion 12, so that the rotating connection of the winding sheave 3 to the brake disc 7 is achieved. When the brake disc 7 is braked by the brake pad 8, so that the brake disc 7 is not rotatable, the rope winding wheel 3 is also not rotatable at this time.
The brake control mechanism shown consists of a release handle 13, a pull rod 14, an L-shaped link 15, the middle of the release handle 13 being fixed via a rotating shaft to allow the handle 13 to rotate about the rotating shaft. One end of a pull rod 14 is connected with the end part of the release handle 13, the other end of the pull rod 14 is connected with one end of an L-shaped connecting rod 15, the other end of the L-shaped connecting rod 15 is connected with the brake plate 8, and the middle part of the L-shaped connecting rod 15 is rotatably arranged on a fixed shaft 16. When the release handle 13 is not acted by external force, the brake pad 8 is in a state of braking the brake disc 7, when a user presses the handle 13, the braking action of the brake pad 8 on the brake disc 7 is reduced, namely the brake disc 7 can rotate, the rope winding wheel 3 can also rotate, and the user and the rope winding mechanism descend along the rope 6 at a certain speed, so that the traditional descending mode that braking and deceleration can be carried out only when the user is manually controlled is changed, and the safety of the user can be protected to the maximum extent.
Claims (4)
1. A rope winding mechanism for slow descending device, its characterized in that: the rope winding device comprises a lower fixed pulley (1), an upper fixed pulley (2), a rope winding wheel (3), a lower sleeve (4), an upper sleeve (5), a rope (6) and a brake disc (7), wherein the lower fixed pulley, the rope winding wheel and the upper fixed pulley are positioned in the same plane; the lower sleeve is positioned below the lower fixed pulley, the upper sleeve is positioned above the upper fixed pulley, and the opening directions of the upper sleeve and the lower sleeve are along the vertical direction; the rope winding wheel (3) is in transmission connection with a brake disc (7) through a transmission mechanism, a brake disc (8) for performing friction braking on the rope winding wheel is arranged on the periphery of the rope winding wheel, and the brake disc is connected with a brake control mechanism for controlling the brake state of the rope winding wheel; the rope passes through the lower sleeve, sequentially bypasses the lower fixed pulley, the rope winding wheel and the upper fixed pulley and then passes through the upper sleeve, and the brake disc is in a braking state under the condition that the brake control mechanism is not affected by external acting force.
2. The rope winding mechanism for a descent control device as claimed in claim 1, wherein: the lower fixed pulley (1) is positioned on the left side of the rope winding wheel (3), the upper fixed pulley (2) is positioned above the rope winding wheel, the rope (6) is wound on the fixed pulley for half circle, and the winding length on the rope winding wheel is greater than half circle; the annular groove that holds rope (6) is all seted up on lower fixed pulley and last fixed pulley (2), sets up annular rope chamber (22) that hold rope (6) on rope winding wheel (3), and the cross section in annular rope chamber is the V font of interior narrow outer width, and the bottom width in annular rope chamber is less than the diameter of rope (6), and the outer diameter that is greater than the rope along the width in annular rope chamber.
3. A rope winding mechanism for a descent control device as defined in claim 2, wherein: and convex ribs (23) are arranged on the inner wall of the annular rope cavity (22) of the rope winding wheel (3) along the radial direction.
4. A rope winding mechanism for a slow descending device according to claim 1 or 2, wherein: the lower fixed pulley (1) and the upper fixed pulley (2) are respectively and rotatably arranged on a first wheel shaft (17) and a third wheel shaft (19), and the rope winding wheel (3) is fixed on a second wheel shaft (18); the transmission mechanism is composed of a first large gear (9), a first small gear (10), a second large gear (11) and a second small gear (12), the first large gear is fixed on a second wheel shaft, the first small gear and the second large gear are fixed on a fourth wheel shaft (20), the second small gear and a brake disc (7) are fixed on a fifth wheel shaft, the first large gear is meshed with the first small gear, and the second large gear is meshed with the second small gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920953980.5U CN210138383U (en) | 2019-06-24 | 2019-06-24 | Rope winding mechanism for slow descending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920953980.5U CN210138383U (en) | 2019-06-24 | 2019-06-24 | Rope winding mechanism for slow descending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210138383U true CN210138383U (en) | 2020-03-13 |
Family
ID=69735438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920953980.5U Expired - Fee Related CN210138383U (en) | 2019-06-24 | 2019-06-24 | Rope winding mechanism for slow descending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210138383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170116A (en) * | 2019-06-24 | 2019-08-27 | 滨州学院 | A kind of rope winding mechanism for ramp-down device |
-
2019
- 2019-06-24 CN CN201920953980.5U patent/CN210138383U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170116A (en) * | 2019-06-24 | 2019-08-27 | 滨州学院 | A kind of rope winding mechanism for ramp-down device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE29604779U1 (en) | Elevator emergency device | |
| CN210138383U (en) | Rope winding mechanism for slow descending device | |
| CN105148418A (en) | Method for achieving constant-speed descending of descent control device and constant-speed descent control device | |
| CN201482011U (en) | Dual-safeguard building escape apparatus | |
| CN201799022U (en) | Mechanical high-building escape device | |
| CN102553093B (en) | Descent controller | |
| CN105169575A (en) | Escape device with rescue function | |
| CN111870829B (en) | One-hand operation automatic protection descending device | |
| CN111420310B (en) | Hydraulic damping descent control device for high-rise escape | |
| CN101966371B (en) | Mechanical descent control device | |
| CN103100152A (en) | Self-adaption elasticity continuous and slow descent fire protection escaping device | |
| CN210020892U (en) | High-rise life-saving device | |
| CN110279950B (en) | High-altitude controllable speed-reducing descent control device | |
| CN102302826B (en) | High-rise lifesaving descent control device | |
| CN112758860A (en) | Fire control aerial ladder with slip rescue function | |
| CN101869743B (en) | Multifunctional escaping descent control device | |
| CN110170116A (en) | A kind of rope winding mechanism for ramp-down device | |
| CN112138292B (en) | Pendulum descent control device and working method thereof | |
| CN204815414U (en) | Escape device with rescue function | |
| CN204767081U (en) | Device for fleeing from high building | |
| CN204563355U (en) | Two brake type Lifesaving device | |
| CN213077257U (en) | One-hand operation automatic protection descending device | |
| CN220886923U (en) | Aerial ladder supporting device of fire truck | |
| CN201719716U (en) | Angle-wrapped speed changing mechanism of multifunctional escape descending device | |
| CN202844396U (en) | Reciprocating type uniform speed lifesaving descent control device |
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: 20200313 Termination date: 20200624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |