CN106669053B - High-altitude rope descent control device - Google Patents
High-altitude rope descent control device Download PDFInfo
- Publication number
- CN106669053B CN106669053B CN201710104137.5A CN201710104137A CN106669053B CN 106669053 B CN106669053 B CN 106669053B CN 201710104137 A CN201710104137 A CN 201710104137A CN 106669053 B CN106669053 B CN 106669053B
- Authority
- CN
- China
- Prior art keywords
- box body
- rope
- wheel
- winding reel
- brake 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.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
- A62B1/18—Other single parts for rope lowering-devices, e.g. take-up rollers for ropes, devices for shooting ropes
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Lowering Means (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
The invention relates to a high-altitude rope descent control device, which comprises a box body, a brake wheel, an elastic brake mechanism, a rope and a rope winding and paying-off device for adjusting the rope paying-off speed; the brake wheel is vertically arranged in the box body, the middle part of the brake wheel is axially provided with a wheel shaft penetrating through the brake wheel, two ends of the wheel shaft are respectively arranged on the side walls of two sides of the box body, and the wheel shaft can rotate relative to the side walls of the box body and can move up and down along the side walls of the box body; the inner walls of two sides of the box body are symmetrically provided with friction braking parts, and when the brake wheel moves up and down, the end surfaces of two sides of the brake wheel can be respectively abutted against or separated from the inner sides of the two friction braking parts; the elastic braking mechanism is arranged in the box body, is positioned below the braking wheel and is movably connected with the elastic braking wheel; the rope winding and unwinding device is arranged on the box body, and one end of the rope passes through the rope outlet and then is wound in the rope winding and unwinding device. The advantages are that: simple structure, convenient use, good slow descending effect, high safety factor, small volume, light weight and simple operation.
Description
Technical Field
The invention relates to high-altitude rescue equipment, in particular to a high-altitude rope descent control device.
Background
When accidents occur during high-altitude operation or fire, earthquake and other dangerous situations occur in high-rise buildings, people need a safe and reliable descent control device which can stably glide down from high altitude to escape. However, the existing various descent control devices have the defects of large volume, complex structure, high manufacturing cost, inconvenient operation, non-ideal descent control effect and the like.
Disclosure of Invention
The invention aims to provide an overhead rope descent control device, which effectively overcomes the defects of the prior art.
The technical scheme for solving the technical problems is as follows: a high-altitude rope descent control device comprises a box body, a brake wheel, an elastic brake mechanism, a rope and a rope winding and paying-off device for adjusting the paying-off speed of the rope;
the brake wheel is vertically arranged in the box body, the middle part of the brake wheel is axially provided with a wheel shaft penetrating through the brake wheel, two ends of the wheel shaft are respectively arranged on the side walls of two sides of the box body, and the wheel shaft can rotate relative to the side walls of the box body and can move up and down along the side walls of the box body;
the inner walls of two sides of the box body are symmetrically provided with friction braking parts, when the brake wheel moves up and down, the end surfaces of two sides of the brake wheel can respectively abut against or separate from the inner sides of the two friction braking parts;
the top of the box body is provided with a rope inlet, the side wall of the box body is provided with a rope outlet, the rope is wound on the brake wheel, and two ends of the rope respectively penetrate through the rope inlet and the rope outlet and respectively extend out of the box body;
the elastic braking mechanism is arranged in the box body, is positioned below the braking wheel, is movably connected with the elastic braking wheel and can drive the braking wheel to move up and down;
the rope winding and unwinding device is mounted on the case, and one end of the rope is wound in the rope winding and unwinding device after passing through the rope outlet.
The beneficial effects of the invention are: simple structure, convenient use, good slow descending effect, high safety coefficient, small volume, light weight and simple and easy operation.
On the basis of the technical scheme, the invention can be improved as follows.
The braking device further comprises a first guide wheel and a second guide wheel set, wherein the first guide wheel and the second guide wheel set are respectively rotatably installed in the box body and are symmetrically distributed above the braking wheel, and two ends of the rope respectively pass through the rope inlet and the rope outlet after passing around the first guide wheel and the second guide wheel set.
The beneficial effects of adopting above-mentioned further scheme are that can improve the tension of rope through first leading wheel and second leading wheelset, make it be unlikely to take place the winding phenomenon of knoing, simultaneously, increase the winding route of rope in the box, make the operation that whole device can be steady.
Further, the second guide wheel group is composed of two guide wheels which are arranged up and down at intervals, the two guide wheels are respectively rotatably installed on the inner side wall of the box body, a wire outlet channel is formed between the two guide wheels, one end of the rope bypasses the guide wheel below and then sequentially penetrates through the wire outlet channel and the rope outlet, and the other end of the rope penetrates through the rope inlet.
The beneficial effects of adopting above-mentioned further scheme are that simple structure makes the rope pulling in-process operation more steady, can not knot, twine.
Further, the side walls of the two sides of the box body are respectively provided with waist holes penetrating through the side walls of the two sides of the box body at positions corresponding to the two ends of the wheel shaft vertically, the two ends of the wheel shaft respectively extend into the corresponding waist holes, and the wheel shaft can rotate relative to the waist holes and can move up and down relative to the box body along the corresponding waist holes.
The beneficial effect of adopting above-mentioned further scheme is reasonable in design, is convenient for the braked wheel to reciprocate for the box.
Further, the end surfaces of the two sides of the brake wheel are respectively provided with symmetrically arranged convex cone table surfaces, the inner sides of the friction braking parts are respectively provided with friction inclined surfaces which are in one-to-one correspondence and match with the upper ends of the convex cone table surfaces of the two sides of the brake wheel, the upper end of the brake wheel is positioned between the two friction inclined surfaces, and when the brake wheel moves up and down, the upper ends of the convex cone table surfaces can be respectively abutted against or separated from the corresponding friction inclined surfaces.
The braking wheel has the beneficial effects that the design is reasonable, the self-locking and the separation between the convex cone table surfaces on the two sides of the braking wheel and the friction inclined surface are facilitated, the rotating state of the braking wheel is adjusted, and the use is more convenient.
Furthermore, a traction guide groove is annularly arranged on the outer circumference of the brake wheel, the upper end of the traction guide groove extends to the upper part of the two friction braking parts, and the rope is wound in the traction guide groove.
The beneficial effect of adopting above-mentioned further scheme is to do benefit to the rope and twine.
The elastic brake mechanism further comprises a U-shaped connecting piece, a pressing rod, a spring and a pair of rollers, wherein the traction guide grooves respectively extend towards two sides along the axial direction of the brake wheel to form annular hanging ring parts, the opening end of the connecting piece is upwards arranged, two ends of the connecting piece upwards extend to the positions, corresponding to the hanging ring parts, of two sides of the lower end of the traction guide groove, the pair of rollers are symmetrically and rotatably arranged on the inner sides of two ends of the connecting piece, the rollers are in contact with the hanging ring parts and can roll along the inner sides of the hanging ring parts, one end of the pressing rod is hinged to the inner wall of the box body, the middle part of the pressing rod is hinged to the closed end of the connecting piece, the other end of the pressing rod penetrates through the side wall of the box body to extend out of the box body and can move up and down relative to the box body, one end of the spring is arranged on the bottom wall of the box body, the other end of the spring is fixedly connected with the pressing rod, when the other end of the pressing rod is downwards pressed under the action of external force, the compression deformation of the spring, the pressing rod drives the pressing rod to downwards to drive the brake wheel to downwards to move downwards through the connecting piece and drive the connecting piece and the pair of rollers to move upwards, when the external force is cancelled, the spring to restore the initial state, the other end of the connecting piece is in contact with the lower end of the brake wheel to drive the brake wheel to move upwards.
The elastic braking mechanism has the advantages of being simple in structure, convenient to operate and convenient to control the brake wheel to move up and down.
Further, the rope winding and paying-off device comprises a fixed frame, a winding reel and a winding reel adjusting mechanism for adjusting the rotating speed of the winding reel; the fixed frame is arranged at the outer side end of the box body, and one side of the fixed frame is fixed with the outer side end of the box body through a bolt;
a supporting shaft which is perpendicular to the outer side end of the box body is arranged in the fixing frame, and one end of the supporting shaft, which is far away from the box body, penetrates through the other side of the fixing frame and extends to the outside of the fixing frame; the winding reel is positioned in the fixing frame and coaxially sleeved on the supporting shaft, and two ends of the winding reel are contacted with the inner walls of two sides of the fixing frame and can rotate around the supporting shaft; the rope is wound on the periphery of the winding reel and can be drawn by the external force to rotate the winding reel for paying off; the winding reel adjusting mechanism is arranged at one end of the supporting shaft, which is far away from the box body, penetrates through the other side of the fixing frame and is connected with the winding reel, and can adjust the rotating speed of the winding reel when the winding reel rotates for paying off.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, convenient to use does benefit to the unwrapping wire of rope and the control of receiving the line for whole device uses more nimble, the nature controlled stronger, can realize that whole device slowly descends, operation such as delay at the high altitude.
Further, the winding reel adjusting mechanism comprises an extrusion sleeve and a pre-tightening knob, the winding reel is hollow, the extrusion sleeve is sleeved at one end of the support shaft away from the box body, one end of the extrusion sleeve facing the box body sequentially penetrates through the other side of the fixing frame and one end of the winding reel away from the box body along the axial direction of the support shaft and extends into the winding reel, the extrusion sleeve can rotate relative to the winding reel and the fixing frame, and one end part of the extrusion sleeve facing the box body is connected with one end part of the winding reel away from the box body through an elastic piece; the periphery of one end part of the support shaft, which is far away from the box body, is provided with an external thread, and the pre-tightening knob is in threaded connection with the external thread and is abutted against one end of the extrusion sleeve, which is far away from the box body;
when the pre-tightening knob is tightened, the pre-tightening knob pushes the extrusion sleeve to move axially towards the box body, the elastic piece is pressed to deform and extrude the winding reel so that one end of the winding reel, which faces the box body, is abutted against the inner wall of one side of the fixed frame, and the rotating speed of the winding reel is reduced when the winding reel rotates for paying off; when the pre-tightening knob is unscrewed, the elastic piece returns to the initial state, one end of the winding reel facing the box body is not abutted with the inner wall of one side of the fixing frame, and the rotating speed of the winding reel when the winding reel rotates for paying off returns to the initial state.
The beneficial effect of adopting the further scheme is that the winding reel extrusion locking mechanism has simple structure and convenient operation.
Further, a friction plate is provided on an inner wall of one side of the fixing frame, a friction block is provided at an end portion of the spool facing the case, the friction plate and the friction block are in contact with each other, the friction block abuts against the friction plate when the pre-tightening knob is tightened, and the friction block and the friction plate are released from abutting state when the pre-tightening knob is loosened.
The beneficial effect who adopts above-mentioned further scheme is through the setting of friction disc and clutch blocks for the spool adjusts the rotation state of spool through changing frictional force under the external force influence, and it is more nimble, convenient to use.
Drawings
FIG. 1 is a schematic cross-sectional view of a high altitude rope descent control device of the present invention;
fig. 2 is a schematic structural view of the high-altitude rope descent control device of the invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the rope winding and unwinding device comprises a box body, 2, a first guide wheel, 3, a brake wheel, 4, an elastic brake mechanism, 5, a rope, 6, a rope winding and unwinding device, 7, a second guide wheel set, 8, a third guide wheel set, 11, a waist hole, 12, a friction brake part, 13, a rope inlet, 14, a rope outlet, 15, a rope jacket, 16, a lifting ring, 31, a wheel shaft, 32, a traction guide groove, 33, a convex cone table surface, 41, a connecting part, 42, a pressing rod, 43, a spring, 44, a roller, 51, a lifting hook, 61, a fixing frame, 62, a winding drum, 63, a winding drum adjusting mechanism, 64, a support shaft, 121, a friction inclined surface, 321, a hanging ring part, 611, a friction plate, 621, a friction block, 631, an extrusion sleeve, 632, a pre-tightening knob, 633 and an elastic piece.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
Example (b): as shown in fig. 1 and 2, the high altitude rope descent control device of the present embodiment comprises a box body 1, a brake wheel 3, an elastic brake mechanism 4, a rope 5 and a rope winding and unwinding device 6 for adjusting the unwinding speed of the rope 5;
the brake wheel 3 is vertically arranged in the box body 1, the middle part of the brake wheel is axially provided with a wheel shaft 31 penetrating through the brake wheel, two ends of the wheel shaft 31 are respectively arranged on the side walls of two sides of the box body 1, and the wheel shaft 31 can rotate relative to the side walls of the box body 1 and can move up and down along the side walls of the box body 1;
the inner walls of the two sides of the box body 1 are symmetrically provided with friction braking parts 12, when the brake wheel 3 moves up and down, the end surfaces of the two sides of the brake wheel 3 can respectively abut against or separate from the inner sides of the two friction braking parts 12;
a rope inlet 13 is arranged on the top of the box body 1, a rope outlet 14 is arranged on the side wall of the box body, the rope 5 is wound on the brake wheel 3, and two ends of the rope respectively penetrate through the rope inlet 13 and the rope outlet 14 and respectively extend out of the box body 1;
the elastic brake mechanism 4 is arranged in the box body 1 and positioned below the brake wheel 3, is movably connected with the elastic brake wheel 3 and can drive the brake wheel 3 to move up and down;
the rope winding and unwinding device 6 is attached to the case 1, and one end of the rope 5 is wound in the rope winding and unwinding device 6 after passing through the rope outlet 14.
Before use, the rope winding and unwinding device 6 is adjusted according to different weights of the person hanging the object, so that the rope winding and unwinding device 6 has a pretightening force for one end of the rope penetrating through the rope outlet 14, thereby reducing the unwinding speed of the rope 5, achieving the slow landing of the whole device when the person falls, in the use process, when the person is in a high altitude or a high-rise building, the escape person immediately wears the safety harness, one end of the rope 5 penetrating through the rope inlet 13 in the whole descent control device is fixed on the building, a crotch belt on the safety harness penetrates through a crotch hook of the escape person and is fixed at the lower end of the descent control device, initially, under the action of the gravity of the whole device and the gravity of the person hanging the object, the rope 5 in the box body 1 enables the brake wheel 3 to slightly rotate through the friction force, and has friction resistance with the inner side of the friction brake part 12, when the descent control device is pulled downwards by hands, the box body 1 and the friction braking parts 12 on the inner walls of the two sides move downwards relative to the brake wheel 3, the inner sides of the friction braking parts 12 are in contact with the end surfaces of the two sides of the brake wheel 3, the friction force is gradually increased, the brake wheel 3 gradually stops rotating along with the increase of the friction force, the rope 5 cannot be pulled, the whole descent control device is in a self-locking state, then a person goes out from a window outlet and is hung below the whole descent control device, next, the escape person controls the elastic braking mechanism 4 to enable the brake wheel 3 to move downwards, the end surfaces of the two sides of the brake wheel 3 are gradually separated from the inner sides of the corresponding friction braking parts 12, in the process, the brake wheel 3 slowly rotates and gradually tends to be stable, the person or object hung on the descent control device slowly moves downwards, and the escape person controls the elastic braking mechanism 4 to enable the brake wheel 3 to move upwards relative to the box body 1, the contact degree of the brake wheel 3 and the friction braking part 12 is controlled, the rotating speed of the brake wheel 3 is adjusted, and then the descending speed of the whole descent control device is controlled, so that safe and reliable self rescue of the descent control device is realized.
The rope descent control device is characterized by further comprising a first guide wheel 2 and a second guide wheel group 7, wherein the first guide wheel 2 and the second guide wheel group 7 are respectively rotatably installed in the box body 1 and are symmetrically distributed above the brake wheel 3, two ends of the rope 5 respectively pass through the rope inlet 13 and the rope outlet 14 after passing around the first guide wheel 2 and the second guide wheel group 7, and the tension in the rope 5 can be kept through the first guide wheel 2 and the second guide wheel group 7, so that the rope is always in a stretched straight state, and the stable operation of the whole descent control device is ensured.
The second guide wheel group 7 is composed of two guide wheels arranged up and down at intervals, the two guide wheels are respectively rotatably installed on the inner side wall of the box body 1, a wire outlet channel is formed between the two guide wheels, one end of the rope 5 bypasses the lower guide wheel and then sequentially passes through the wire outlet channel and the rope outlet 14, and the other end of the rope 5 passes through the rope inlet 13, so that the internal tension of the rope 5 is further ensured, and the rope is in a stretched state.
Preferably, the side walls of the two sides of the box body 1 are respectively vertically provided with a waist hole 11 penetrating through the side wall corresponding to the two ends of the wheel shaft 31, the two ends of the wheel shaft 31 respectively extend into the corresponding waist holes 11, the wheel shaft 31 can rotate relative to the waist holes 11 and can move up and down relative to the box body 1 along the corresponding waist holes 11, so as to ensure that the brake wheel 3 can rotate and move up and down relative to the box body 1, and the structural design is reasonable.
Preferably, the end surfaces of both sides of the braking wheel 3 are respectively symmetrically arranged convex cone table surfaces 33 as shown in fig. 1, the inner sides of the friction braking portions 12 are respectively arranged to be friction inclined surfaces 121 which are in one-to-one correspondence and match with the upper ends of the convex cone table surfaces 33 of both sides of the braking wheel 3, the upper end of the braking wheel 3 is located between the two friction inclined surfaces 121, when the braking wheel 3 moves up and down, the upper end of the convex cone table surface 33 can be respectively abutted against or separated from the corresponding friction inclined surface 121, the design is reasonable, the end surfaces of both sides of the braking wheel 3 can be well contacted with the friction inclined surfaces 121, thereby realizing effective self-locking and separation between the braking wheel 3 and the friction braking portions 12, and the whole descent control device is convenient to use and simple to operate.
Preferably, a traction guide groove 32 is annularly provided on an outer circumference of the brake wheel 3, an upper end of the traction guide groove 32 extends above the two friction braking portions 12, and the rope 5 is wound in the traction guide groove 32, thereby facilitating the winding of the rope 5 on the brake wheel 3.
The outer circumference of each guide wheel is respectively provided with a traction guide groove in a surrounding way, and the rope 5 is wound in the traction guide groove.
In some embodiments, the elastic braking mechanism 4 includes a U-shaped connecting member 41, a pressing rod 42, a spring 43, and a pair of rollers 44, the traction guide grooves 32 respectively extend along the axial direction of the braking wheel 3 to form annular hanging ring portions 321, the connecting member 41 has an open end disposed upward and both ends extending upward to both sides of the lower end of the traction guide groove 32 corresponding to the hanging ring portions 321, the pair of rollers 44 are symmetrically and rotatably installed inside both ends of the connecting member 41, the rollers 44 are in contact with the hanging ring portions 321 and can roll along the inside of the hanging ring portions 321, one end of the pressing rod 42 is hinged to the inner wall of the box 1, the middle portion of the pressing rod is hinged to the closed end of the connecting member 41, and the other end of the pressing rod penetrates through the side wall of the box 1 to extend out of the box 1 and can move up and down relative to the box 1, one end of the spring 43 is mounted on the inner bottom wall of the box 1, the other end is fixedly connected with the pressing rod 42, when the other end of the pressing rod 42 is pressed downwards by an external force, the spring 43 is compressed and deformed, the pressing rod 42 drives the brake wheel 3 to move downwards through the connecting piece 41 and the pair of rollers 44, when the external force is cancelled, the spring 43 returns to the initial state, drives the other end of the pressing rod 42 to move upwards and drives the connecting piece 41 and the pair of rollers 44 to move upwards, the connecting piece 41 is contacted with the lower end of the brake wheel 3 and drives the brake wheel 3 to move upwards, the whole elastic brake mechanism 4 has a simple structure and reasonable design, the pressing rod 42 is pressed downwards by the external force, the brake wheel 3 can be attached to or separated from the friction surface, so as to adjust whether the descent control device continues, the external force is cancelled, and the brake wheel 3 is pushed upwards under the elastic force of the spring 43, the self-locking between the restoring and the friction surface is convenient to use, and the escape personnel can adjust the landing speed.
Preferably, a hole for the pressing rod 42 to pass through is formed in the side wall of the box body 1 at a position corresponding to the other end of the pressing rod 42, and the other end of the pressing rod 42 passes through the hole and can move up and down along the hole, so that the movement of the other end of the pressing rod 42 is facilitated, and the effectiveness of the operation of the whole elastic braking mechanism 4 is ensured.
The rope 5 is fixed with a hook 51 at one end passing through the rope inlet 13, and in the using process, the whole descent control device can be used for slowly descending and escaping from high altitude by being hung on a building through the hook 51.
Above-mentioned rope entry 13 and rope export 14 punishment are equipped with rope sheath 15 respectively, have certain frictional force between 15 inner walls of rope sheath and the rope, adopt the rubber material to make, and rope 5 pulling in-process, rope sheath 15 can greatly reduced to the wearing and tearing of rope 5, ensure that rope 5 is durable.
Preferably, the bottom of the box body 1 is fixed with a hanging ring 16, and the escape personnel or objects can be normally used by hanging the escape personnel or the objects on the hanging ring 16, which is more beneficial to quick use.
Preferably, a third guiding wheel set 8 is arranged on the outer wall of the box body 1 at a position corresponding to the rope outlet 14, the third guiding wheel set 8 is mounted at the rope outlet 14 through a mounting frame, the mounting frame is rotatably mounted at the rope outlet 14, the third guiding wheel set 8 is similar to or the same as the second guiding wheel set 7 in structure, two parallel and transversely arranged shafts are arranged in the mounting frame, two guiding wheels in the third guiding wheel set 8 are respectively rotatably mounted on the corresponding shafts and can axially move along the corresponding shafts, through the rope 5 sequentially passes through the rope outlet 14 and the third guiding wheel set 8 and then is wound in the rope winding and unwinding device 6, and at the third guiding wheel set 8, the rope 5 is wound in the rope winding and unwinding device 6 in a zigzag manner, so that the rope 5 can axially swing and synchronously rotate along the shafts at the position due to the design at the position, and the mounting frame can be prevented from knotting, winding and deviation in the rope unwinding process at the rope outlet 14, the friction resistance of the rigid winding of the rope is reduced, and the whole rope 5 can be smoothly unwound.
Preferably, the rope winding and unwinding device 6 comprises a fixing frame 61, a winding reel 62 and a winding reel adjusting mechanism 63 for adjusting the rotation speed of the winding reel 62; the fixing frame 61 is installed at the outer side end of the box body 1, and one side of the fixing frame is fixed with the outer side end of the box body 1 through a bolt;
a supporting shaft 64 which is arranged in the fixing frame 61 and is vertical to the outer side end of the box body 1 is arranged, and one end of the supporting shaft 64, which is far away from the box body 1, penetrates through the other side of the fixing frame 61 and extends to the outside of the fixing frame 61; the winding reel 62 is positioned in the fixing frame 61 and coaxially sleeved on the supporting shaft 64, and both ends of the winding reel are in contact with the inner walls of both sides of the fixing frame 61 and can rotate around the supporting shaft 64; the rope 5 is wound around the outer periphery of the winding reel 62, and the winding reel 62 is pulled to rotate under the action of external force to pay off; the winding reel adjusting mechanism 63 is installed at one end of the supporting shaft 64 far away from the box body 1, penetrates through the other side of the fixing frame 61, is connected with the winding reel 62, and can adjust the rotating speed of the winding reel 62 during rotating and paying off.
Preferably, the winding reel adjusting mechanism 63 includes a pressing sleeve 631 and a pre-tightening knob 632, the winding reel 62 is hollow, the pressing sleeve 631 is sleeved on one end of the supporting shaft 64 away from the box 1, one end of the pressing sleeve facing the box 1 sequentially penetrates through the other side of the fixing frame 61 and one end of the winding reel 62 away from the box 1 along the axial direction of the supporting shaft 64 and extends into the winding reel 62, the pressing sleeve 631 can rotate relative to the winding reel 62 and the fixing frame 61, and one end of the pressing sleeve 63 facing the box 1 is connected with one end of the winding reel 62 away from the box 1 through an elastic element 633; the supporting shaft 64 has an external thread on the periphery of one end away from the box body 1, and the pre-tightening knob 632 is in threaded connection with the external thread and is abutted against one end of the extrusion sleeve 63 away from the box body 1;
when the pre-tightening knob 632 is tightened, the pre-tightening knob 632 pushes the pressing sleeve 62 to move axially towards the box body 1, the elastic element 633 is pressed to deform and presses the winding reel 62, so that one end of the winding reel 62 facing the box body 1 is abutted against the inner wall of one side of the fixed frame 1, and the rotating speed of the winding reel 62 during rotating and paying off is reduced; when the pre-tightening knob 632 is unscrewed, the elastic element 633 restores to the initial state, the abutting state of one end of the winding reel 62 facing the box body 1 and the inner wall of one side of the fixing frame 1 is released, the rotating speed of the winding reel 62 during rotating and paying off restores to the initial state, and during use, the rotating speed of the winding reel 62 during paying off can be adjusted by only adjusting the screwing state of the pre-tightening knob 632, so that the whole device can slowly descend when hanging objects (people) at high altitude, and the use is flexible and convenient.
The elastic member 633 is a butterfly spring and is fitted around the support shaft 64.
Preferably, a friction plate 611 is provided on an inner wall of one side of the fixing frame 61, a friction block 621 is provided at an end of the winding reel 62 facing the case 1, the friction plate 611 and the friction block 621 contact with each other, when the pre-tightening knob 632 is tightened, the friction block 621 contacts with the friction plate 611, when the pre-tightening knob 632 is loosened, the contact state between the friction plate 621 and the friction plate 611 is released, and the friction plate 611 and the friction block 621 are provided such that contact surfaces therebetween are sensitive, which is advantageous for adjusting the friction force.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (5)
1. A high altitude rope descent control device is characterized in that: the device comprises a box body (1), a brake wheel (3), an elastic brake mechanism (4), a rope (5) and a rope winding and paying-off device (6) for adjusting the paying-off speed of the rope (5);
the brake wheel (3) is vertically arranged in the box body (1), the middle part of the brake wheel is axially provided with a wheel shaft (31) penetrating through the brake wheel, two ends of the wheel shaft (31) are respectively arranged on the side walls of two sides of the box body (1), and the wheel shaft (31) can rotate relative to the side walls of the box body (1) and can move up and down along the side walls of the box body (1);
the inner walls of two sides of the box body (1) are symmetrically provided with friction braking parts (12), and when the brake wheel (3) moves up and down, the end surfaces of two sides of the brake wheel (3) can be respectively abutted against or separated from the inner sides of the two friction braking parts (12);
the top of the box body (1) is provided with a rope inlet (13), the side wall of the box body is provided with a rope outlet (14), the rope (5) is wound on the brake wheel (3), and two ends of the rope (5) respectively penetrate through the rope inlet (13) and the rope outlet (14) and respectively extend out of the box body (1);
the elastic braking mechanism (4) is arranged in the box body (1), is positioned below the braking wheel (3), is movably connected with the braking wheel (3), and can drive the braking wheel (3) to move up and down;
the rope winding and unwinding device (6) is arranged on the box body (1), and one end of the rope (5) passes through the rope outlet (14) and then is wound in the rope winding and unwinding device (6);
the end surfaces of two sides of the brake wheel (3) are respectively provided with symmetrically-arranged convex cone table surfaces (33), the inner sides of the friction braking parts (12) are respectively provided with friction inclined surfaces (121) which are in one-to-one correspondence and match with the upper ends of the convex cone table surfaces (33) on two sides of the brake wheel (3), the upper end of the brake wheel (3) is positioned between the two friction inclined surfaces (121), and when the brake wheel (3) moves up and down, the upper ends of the convex cone table surfaces (33) can be respectively abutted against or separated from the corresponding friction inclined surfaces (121); a traction guide groove (32) is annularly arranged on the outer circumference of the brake wheel (3), the upper end of the traction guide groove (32) extends to the upper parts of the two friction braking parts (12), and the rope (5) is wound in the traction guide groove (32); the rope winding and paying-off device (6) comprises a fixed frame (61), a winding reel (62) and a winding reel adjusting mechanism (63) for adjusting the rotating speed of the winding reel (62); the fixed frame (61) is arranged at the outer side end of the box body (1), and one side of the fixed frame is fixed with the outer side end of the box body (1) through a bolt;
a supporting shaft (64) which is perpendicular to the outer side end of the box body (1) is arranged in the fixing frame (61), and one end, far away from the box body (1), of the supporting shaft (64) penetrates through the other side of the fixing frame (61) and extends to the outside of the fixing frame (61); the winding reel (62) is positioned in the fixed frame (61) and coaxially sleeved on the support shaft (64), and two ends of the winding reel are in contact with the inner walls of two sides of the fixed frame (61) and can rotate around the support shaft (64); the rope (5) is wound on the periphery of the winding drum (62) and can pull the winding drum (62) to rotate under the action of external force to pay off; the winding reel adjusting mechanism (63) is installed at one end, far away from the box body (1), of the supporting shaft (64), penetrates through the other side of the fixing frame (61), is connected with the winding reel (62), and can adjust the rotating speed of the winding reel (62) during rotating and paying off; the elastic braking mechanism (4) comprises a U-shaped connecting piece (41), a pressing rod (42), a spring (43) and a pair of rollers (44), the traction guide groove (32) extends to two sides along the axial direction of the brake wheel (3) respectively to form an annular hanging ring part (321), the opening end of the connecting piece (41) is arranged upwards, two ends of the connecting piece extend upwards to two sides of the lower end of the traction guide groove (32) to correspond to the position of the hanging ring part (321), the pair of rollers (44) are symmetrically and rotatably arranged on the inner sides of two ends of the connecting piece (41), the rollers (44) are in contact with the hanging ring part (321) and can roll along the inner side of the hanging ring part (321), one end of the pressing rod (42) is hinged on the inner wall of the box body (1), the middle part of the pressing rod is hinged with the closed end of the connecting piece (41), the other end of the pressing rod penetrates through the side wall of the box body (1) to extend out of the box body (1) and can move up and down relative to the box body (1), one end of the spring (43) is arranged on the inner bottom wall of the box body (1), the other end of the pressing rod (42) is fixedly connected with the pressing rod (42), the pressing rod (43) acts downwards to press the lower part to drive the pressing wheel (42) to generate deformation, and the pressing wheel (42) to move downwards to drive the pressing wheel (42) to generate the external force to move, and the pressing wheel (42) to move to compress the external force, the pressing wheel (42) to move downwards, when the external force is cancelled, the spring (43) restores the initial state, drives the other end of the pressing rod (42) to move upwards, and drives the connecting piece (41) and the pair of rollers (44) to move upwards, and the connecting piece (41) is contacted with the lower end of the brake wheel (3) and drives the brake wheel (3) to move upwards; the winding reel adjusting mechanism (63) comprises an extrusion sleeve (631) and a pre-tightening knob (632), the winding reel (62) is hollow, the extrusion sleeve (631) is sleeved at one end, far away from the box body (1), of the support shaft (64), one end, facing the box body (1), of the extrusion sleeve (631) sequentially penetrates through the other side of the fixing frame (61) and one end, far away from the box body (1), of the winding reel (62) along the axial direction of the support shaft (64) and extends into the winding reel (62), the extrusion sleeve (631) can rotate relative to the winding reel (62) and the fixing frame (61), and the end, far away from the box body (1), of the extrusion sleeve (631) facing the box body (1) is connected with the end, far away from the box body (1), of the end of the winding reel (62) is connected through an elastic piece (633); the periphery of one end part of the support shaft (64) far away from the box body (1) is provided with an external thread, and the pre-tightening knob (632) is in threaded connection with the external thread and is abutted against one end of the extrusion sleeve (631) far away from the box body (1);
when the pre-tightening knob (632) is tightened, the pre-tightening knob (632) pushes the extrusion sleeve (631) to move axially towards the box body (1), the elastic piece (633) is pressed to deform and extrude the winding reel (62) to enable one end, facing the box body (1), of the winding reel (62) to be abutted against the inner wall of one side of the fixing frame (61), and the rotating speed of the winding reel (62) is reduced when the winding reel (62) rotates and pays off; when the pre-tightening knob (632) is unscrewed, the elastic piece (633) restores to the initial state, one end of the winding reel (62) facing the box body (1) and the inner wall of one side of the fixing frame (61) are released from the abutting state, and the rotation speed of the winding reel (62) during rotating and paying off restores to the initial state.
2. The high altitude rope descent control device according to claim 1, wherein: still include first leading wheel (2) and second direction wheelset (7), first leading wheel (2) and second direction wheelset (7) rotate respectively and install in box (1) to the symmetric distribution is in the top of braked wheel (3), the both ends of rope (5) are walked around respectively wear out in correspondence behind first leading wheel (2) and second direction wheelset (7) rope entry (13) with rope export (14).
3. The aerial rope descent control device of claim 2, wherein: second direction wheelset (7) comprise two upper and lower and the leading wheel that the interval set up, two the leading wheel rotates respectively to be installed on box (1) inside wall, and two form the passageway of being qualified for the next round of competitions between the leading wheel, the one end of rope (5) is walked around and is passed in proper order behind the leading wheel of below the passageway of being qualified for the next round of competitions and rope export (14), the other end passes rope entry (13).
4. A high altitude rope descent control device as claimed in claim 3, wherein: the side walls of the two sides of the box body (1) are respectively provided with waist holes (11) which penetrate through the side walls of the wheel shafts (31) at positions corresponding to the two ends of the wheel shafts (31), the two ends of the wheel shafts (31) respectively extend into the corresponding waist holes (11), and the wheel shafts (31) can rotate relative to the waist holes (11) and can move up and down relative to the box body (1) along the corresponding waist holes (11).
5. The aerial rope descent control device according to claim 1, wherein: be equipped with friction disc (611) on mount (61) one side inner wall, spool (62) are equipped with clutch blocks (621) towards the one end tip of box (1), friction disc (611) and clutch blocks (621) contact each other, when screwing up pretension knob (632), clutch blocks (621) with friction disc (611) butt, unscrew during pretension knob (632), clutch blocks (621) with friction disc (611) release the butt state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104137.5A CN106669053B (en) | 2017-02-24 | 2017-02-24 | High-altitude rope descent control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104137.5A CN106669053B (en) | 2017-02-24 | 2017-02-24 | High-altitude rope descent control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106669053A CN106669053A (en) | 2017-05-17 |
| CN106669053B true CN106669053B (en) | 2022-10-28 |
Family
ID=58862343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710104137.5A Active CN106669053B (en) | 2017-02-24 | 2017-02-24 | High-altitude rope descent control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106669053B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265331B (en) * | 2017-07-26 | 2023-11-28 | 佛山科学技术学院 | Hanger self-locking wheel set |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1186157A (en) * | 1968-02-27 | 1970-04-02 | Jalmari Selim Virkki | Improvements in Lowering Devices Comprising Brake Means for Resisting the Rotation of Rope Drums. |
| US4457400A (en) * | 1982-09-16 | 1984-07-03 | Gernnimo Industries, Ltd. | Emergency descent device |
| CN2868335Y (en) * | 2005-12-27 | 2007-02-14 | 章绿林 | Portable building life-escaping device |
| CN201643458U (en) * | 2010-05-18 | 2010-11-24 | 上海海事大学 | Safe emergency escape device for high-rise building |
| CN201799022U (en) * | 2010-09-09 | 2011-04-20 | 北京工商大学 | Mechanical high-building escape device |
| CN102133457A (en) * | 2011-04-01 | 2011-07-27 | 张一扬 | Controllable safe slowly descending device |
| CN105688340A (en) * | 2016-04-11 | 2016-06-22 | 张文革 | Novel multifunctional descent control device with cyclic lifting function |
| CN206535013U (en) * | 2017-02-24 | 2017-10-03 | 湖北赤壁赛飞摩擦材料有限公司 | A kind of highwire descending lifeline |
-
2017
- 2017-02-24 CN CN201710104137.5A patent/CN106669053B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1186157A (en) * | 1968-02-27 | 1970-04-02 | Jalmari Selim Virkki | Improvements in Lowering Devices Comprising Brake Means for Resisting the Rotation of Rope Drums. |
| US4457400A (en) * | 1982-09-16 | 1984-07-03 | Gernnimo Industries, Ltd. | Emergency descent device |
| CN2868335Y (en) * | 2005-12-27 | 2007-02-14 | 章绿林 | Portable building life-escaping device |
| CN201643458U (en) * | 2010-05-18 | 2010-11-24 | 上海海事大学 | Safe emergency escape device for high-rise building |
| CN201799022U (en) * | 2010-09-09 | 2011-04-20 | 北京工商大学 | Mechanical high-building escape device |
| CN102133457A (en) * | 2011-04-01 | 2011-07-27 | 张一扬 | Controllable safe slowly descending device |
| CN105688340A (en) * | 2016-04-11 | 2016-06-22 | 张文革 | Novel multifunctional descent control device with cyclic lifting function |
| CN206535013U (en) * | 2017-02-24 | 2017-10-03 | 湖北赤壁赛飞摩擦材料有限公司 | A kind of highwire descending lifeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106669053A (en) | 2017-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3739875A (en) | Escape device | |
| KR101863018B1 (en) | Centrifugal brake mechanism | |
| US20150352380A1 (en) | Descent Rescue Device with Double Brake and Back and Forth Controlled | |
| ITMI20091656A1 (en) | ROPE DEVICE ON ROPE AND METHOD FOR ITS USE | |
| CN2838671Y (en) | Fire hazard of storied house emergency escape descending lifeline | |
| CN206535013U (en) | A kind of highwire descending lifeline | |
| WO2003055560A1 (en) | Abseiling device used as rescue equipment in disaster situations, particularly fires in buildings or tall buildings | |
| CN106669053B (en) | High-altitude rope descent control device | |
| JP2005518846A (en) | Personal descent device | |
| US4503933A (en) | Building evacuation device | |
| CA1142900A (en) | Emergency descent device | |
| CN103041519A (en) | Fixed self-adaptive elastic force firefighting escape slow-descending system | |
| KR200445148Y1 (en) | Fire escape apparatus with ease break adjusting | |
| CN104056369B (en) | High-altitude slow descending device | |
| CN101966371B (en) | Mechanical descent control device | |
| CN103100152A (en) | Self-adaption elasticity continuous and slow descent fire protection escaping device | |
| CN1853741B (en) | High-altitude slow-descending equipment | |
| JPH0475671A (en) | Emergency refuge device | |
| CN204261209U (en) | A kind of high-rise descent control device | |
| CN110975178B (en) | High-rise escape descent control device | |
| US5873432A (en) | Abseil rescue system with velocity control system | |
| CN201921339U (en) | High altitude descent control device | |
| CN203154629U (en) | Self-adaptation elastic force fire protection escape descent control device | |
| CN221027041U (en) | A fall layer equipment for environmental engineering | |
| WO2014063429A1 (en) | Variable cross-section cable-reeling sheave and hanger thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |