CN113859591B - Rope slow release mechanism - Google Patents
Rope slow release mechanism Download PDFInfo
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- CN113859591B CN113859591B CN202111207719.9A CN202111207719A CN113859591B CN 113859591 B CN113859591 B CN 113859591B CN 202111207719 A CN202111207719 A CN 202111207719A CN 113859591 B CN113859591 B CN 113859591B
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- rope pulley
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- 238000013268 sustained release Methods 0.000 claims description 8
- 239000012730 sustained-release form Substances 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
- B64G1/648—Tethers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G4/00—Tools specially adapted for use in space
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- Engineering & Computer Science (AREA)
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- Aviation & Aerospace Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention provides a rope slow-release mechanism, and belongs to the technical field of tool kit transfer. In order to solve the problems that the release speed is too high due to the too high weight of the tool bag, the transferred articles and operators are easy to be damaged, and a mechanism for slowly releasing the rope and adjusting the release speed of the rope is lacked. The invention comprises an elastic shaft end cover and an elastic shaft which are mutually connected, wherein a slow-release push sleeve is arranged in the elastic shaft, a second rope pulley is sleeved outside the elastic shaft, the second rope pulley is clamped with the elastic shaft, a friction assembly and a first rope pulley are sequentially arranged between the elastic shaft end cover and the second rope pulley, a cam swing arm is connected with the frame, and the cam swing arm is in contact connection with the slow-release push sleeve. The elastic friction array with controllable prestress is arranged, so that accidental slipping can be avoided, displacement limiting is arranged, the fault tolerance is high, the structure is simple, the slow release speed can be adjusted by swinging the cam swing arm, the operation is simple and convenient, the operation difficulty of astronauts can be effectively reduced, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of tool bag transfer, in particular to a rope slow-release mechanism.
Background
In the process of carrying out investigation and exploration on the lunar surface, firstly, an astronaut and a detection tool are required to be sent to the lunar surface together through a detector, and a tool bag for containing the investigation and exploration tool and the like is required to be carried on the detector, wherein the tool bag generally comprises a brush for removing lunar dust on an astronaut suit, a special hammer for smashing rocks on the lunar surface, a shovel for digging lunar soil, a rake for raking gravels on the lunar surface, a sieve for sieving large-diameter lunar soil particles, a spoon, pliers, a clamp and a handle for carrying in the process of sampling lunar samples, and the like.
Too heavy a tool pack can cause too high a tool pack release speed due to too high load in the transfer process, easily cause damage to transfer objects and astronauts, and lack a mechanism for slowly releasing ropes and adjusting the release speed of the ropes.
Disclosure of Invention
The invention aims to solve the technical problems that:
In order to solve the problems that the release speed is too high due to the fact that the tool bag is too high in load in the transferring process, the transferred objects and astronauts are easy to be damaged, and a mechanism for slowly releasing the rope and adjusting the release speed of the rope is lacked.
The invention adopts the technical scheme for solving the technical problems:
The invention provides a rope slow-release mechanism which comprises a frame, a first rope wheel, a second rope wheel, an elastic shaft end cover, a slow-release push sleeve, a friction component and a cam swing arm, wherein the elastic shaft end cover and the elastic shaft are mutually connected, the slow-release push sleeve is arranged in the elastic shaft, the second rope wheel is sleeved on the outer side of the elastic shaft, the elastic shaft is provided with a shoulder, the second rope wheel is clamped with the shoulder, the friction component and the first rope wheel are sequentially arranged between the elastic shaft end cover and the second rope wheel, the cam swing arm is connected with the frame and is in contact with the slow-release push sleeve, and is used for pushing the slow-release push sleeve through the swing cam swing arm to drive the elastic shaft to stretch and retract so as to change the friction force among the friction component, the first rope wheel and the second rope wheel and control whether a rope is released or not and the release speed.
Further, the elastic shaft comprises an elastic shaft spring part and an elastic shaft fixing part which are integrally formed, the elastic shaft spring part is connected with the elastic shaft end cover through screws, and the elastic shaft fixing part is connected with the frame through screws.
Further, the elastic shaft end cover, the friction assembly, the first rope pulley and the second rope pulley are sequentially pressed and arranged, and the friction assembly is in a friction state.
Further, the friction assembly comprises a plurality of inner friction plates and a plurality of outer friction plates, wherein the inner friction plates and the outer friction plates are arranged at intervals.
Further, the inner friction plate is an annular sheet structure with a plurality of inner splines circumferentially arranged on the inner ring, and the outer friction plate is an annular sheet structure with a plurality of outer splines circumferentially arranged on the outer ring.
Further, the first rope pulley is provided with an inner spline groove matched with the outer spline, the second rope pulley is provided with an outer spline groove matched with the inner spline, the inner friction plate is connected with the second rope pulley through the inner spline and the outer spline groove, and the outer friction plate is connected with the first rope pulley through the outer spline and the inner spline groove.
Further, the rope pressing device further comprises a pressing cover, wherein the pressing cover is connected with the frame and used for pressing ropes of the first rope pulley and the second rope pulley, and the ropes are prevented from being separated from the first rope pulley and the second rope pulley in a slow-release process.
Further, still include the cam support, the cam support is connected with the elastic axis, the cam support passes through the round pin hub connection with the cam swing arm, the cam swing arm can follow circumferencial direction swing, through the cam swing arm of elasticity cylindric lock location, slowly-releasing push away cover one end and be provided with the boss, the cam support is provided with logical groove, the boss embeds the logical inslot of cam support, the boss touches with the cam swing arm and connects.
Further, the cam swing arm comprises a cam swing arm handle, a first cam swing arm limiting surface and a second cam swing arm limiting surface, when the cam swing arm handle is swung to enable the first cam swing arm limiting surface to be attached to the end face of the cam support, the pre-tightening stroke is reduced, the pre-tightening force is increased, the friction force generated among the first rope pulley, the second rope pulley and the friction assembly is increased, and the slow-release descending speed of the rope is reduced; when the cam swing arm handle is swung to enable the limiting surface of the second cam swing arm to be attached to the end surface of the cam support, the pretightening stroke is increased, pretightening force is reduced, friction force generated among the first rope pulley, the second rope pulley and the friction assembly is reduced, and the rope slow-release descending speed is increased.
Further, rope wheel grooves are formed in the first rope wheel and the second rope wheel, and the rope is wound in the opposite directions and pressed in the rope wheel grooves of the first rope wheel and the second rope wheel.
Compared with the prior art, the invention has the beneficial effects that:
1. The friction assembly with controllable prestress is arranged, when in an original state, the friction force generated by the friction assembly can form a locking mechanism, and the tool bag or other articles are in a static state at the moment, so that accidental slipping of the tool bag or other articles can be effectively prevented; due to the arrangement of the elastic shaft, the elastic shaft can automatically reset when no operating force is applied, so that the slipping of the tool bag or other articles is further avoided;
2. The lever mechanism formed by the cam swing arms realizes the characteristics of small manual operating force and long operating stroke, and the flexible distance of the elastic shaft is controllable as the distances among the elastic shaft, the friction component, the elastic shaft end cover and the first rope pulley are controllable, so that the slow release speed is controllable, the fault tolerance rate is higher, and the use process is safer;
3. The elastic shaft is arranged, the stroke of the slow-release push sleeve is adjusted by swinging the cam swing arm, so that the length of the elastic shaft is adjusted, the friction force of the friction assembly is adjusted by adjusting the telescopic length of the elastic shaft because the friction force of the friction assembly is changed according to the telescopic length of the elastic shaft, the release speed of the slow-release rope is controlled, and the flexibility is high;
4. the invention has exquisite structure, can adjust the slow release speed by swinging the cam swing arm, has simple and convenient operation, can effectively reduce the operation difficulty of astronauts and improves the working efficiency.
Drawings
FIG. 1 is a schematic perspective view of a rope slow release mechanism of the present invention;
fig. 2 is a cross-sectional view of a rope sustained release mechanism of the present invention;
fig. 3 is a right side view of a rope sustained release mechanism of the present invention;
Fig. 4 is a left side view of a rope sustained release mechanism of the present invention;
fig. 5 is a top view of a rope sustained release mechanism of the present invention;
Fig. 6 is a bottom view of a cord slow release mechanism of the present invention;
FIG. 7 is a cross-sectional view of the elastomeric shaft and elastomeric shaft end caps of the present invention;
fig. 8 is an exploded view of the friction assembly, first sheave and second sheave of the present invention;
fig. 9 is an exploded view of the inner friction plate and the second sheave of the present invention;
Fig. 10 is an exploded view of the outer friction plate and the first sheave of the present invention;
FIG. 11 is a schematic diagram showing the operation of a rope slow-release mechanism according to the present invention;
fig. 12 is a second schematic diagram of the working state of a rope slow-release mechanism according to the present invention;
wherein A and B are the swing directions of the cam swing arms, and E and F are the displacement directions of the slow release push sleeve.
Reference numerals illustrate:
the device comprises a frame, a 2-elastic shaft, a 3-elastic shaft end cover, a 4-first rope pulley, a 5-inner friction plate, a 6-outer friction plate, a 7-second rope pulley, an 8-compression cover, a 9-cam support, a 10-cam swing arm, a 11-pin shaft, a 12-rope, a 13-slow release push sleeve, a 14-screw, a 15-elastic cylindrical pin, a 16-outer spline groove, a 17-inner spline groove, a 2-1-elastic shaft spring part, a 2-2-elastic shaft fixing part, a 5-1-inner spline, a 6-1-outer spline, a 10-1-cam swing arm handle, a 10-2-first cam swing arm limiting surface and a 10-3-second cam swing arm limiting surface.
Detailed Description
In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", "left", "right", and the like in the embodiments indicate terms of orientation, and only for simplifying the description based on the positional relationship of the drawings in the specification, do not represent that the elements and devices and the like referred to must be operated according to the specific orientation and the defined operations and methods, configurations in the specification, and such orientation terms do not constitute limitations of the present invention.
In the description of the present invention, it should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated in the description of the present invention. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
The specific embodiment I is as follows: the invention provides a rope slow release mechanism, which is shown in the drawings from 1 to 12, and comprises a frame 1, a first rope pulley 4, a second rope pulley 7, an elastic shaft 2, an elastic shaft end cover 3, a slow release pushing sleeve 13, a friction component and a cam swing arm 10, wherein the elastic shaft end cover 3 and the elastic shaft 2 which are connected through a screw 14 are arranged in the frame 1, the slow release pushing sleeve 13 is arranged in the elastic shaft 2 and can axially move along the elastic shaft 2, the second rope pulley 7 is sleeved on the outer side of the elastic shaft 2, the elastic shaft 2 is provided with a shoulder, the second rope pulley 7 is clamped with the shoulder, a friction component and the first rope pulley 4 are sequentially arranged between the elastic shaft end cover 3 and the second rope pulley 7, the cam swing arm 10 is hinged with the frame 1 and is contacted with the slow release pushing sleeve 13, the slow release pushing sleeve 13 is pushed through the swing cam swing arm 10, the elastic shaft 2 is driven to stretch, the friction component between the first rope pulley 4 and the second rope pulley 7 is further changed, and the rope 12 is controlled to release and the rope release speed.
The friction assembly with controllable prestress is arranged, when in an original state, the friction force generated by the friction assembly can form a locking mechanism, and the tool bag or other articles are in a static state at the moment, so that accidental slipping of the tool bag or other articles can be effectively prevented; due to the arrangement of the elastic shaft 2, the elastic shaft 2 can automatically reset when no operating force is applied, so that the slipping of a tool bag or other articles is further avoided;
The lever mechanism formed by the cam swing arm 10 realizes the characteristics of small manual operating force and long operating stroke, and the flexible distance of the elastic shaft 2 is controllable due to the controllable distances among the elastic shaft 2, the friction component, the elastic shaft end cover 3 and the first rope pulley 4, so that the release speed of the slow release mechanism is controllable, the fault tolerance rate is high, and the use process is safer;
The elastic shaft 2 is arranged, the stroke of the slow-release push sleeve 13 is adjusted by swinging the cam swing arm 10, the length of the elastic shaft 2 is adjusted, the friction force of the friction assembly is changed according to the change of the telescopic length of the elastic shaft 2, the friction force of the friction assembly is adjusted by adjusting the telescopic length of the elastic shaft 2, the release speed of the slow-release mechanism is controlled, and the flexibility is high.
And a specific embodiment II: as shown in fig. 7, the elastic shaft 2 includes an integrally formed elastic shaft spring portion 2-1 and an elastic shaft fixing portion 2-2, the elastic shaft spring portion 2-1 is connected with the elastic shaft end cover 3 by a screw 14, and the elastic shaft fixing portion 2-2 is connected with the frame 1 by the screw 14. By arranging the elastic shaft spring part 2-1 and the elastic shaft fixing part 2-2, the elastic shaft 2 can be ensured to have elasticity, the elastic shaft end cover 3 is pushed, the friction force between the first rope pulley 4, the second rope pulley 7 and the friction component is further changed, and the slow-release speed rate is adjusted. Other combinations and connection relationships of this embodiment are the same as those of the first embodiment.
And a third specific embodiment: as shown in fig. 1 to 12, the elastic shaft end cover 3, the friction assembly, the first sheave 4 and the second sheave 7 are sequentially pressed and arranged, and in an initial state, the friction assembly is in a compressed state with friction force. The locking mechanism is used for ensuring that the elastic shaft 2 is in the initial state or automatically returns to the initial state when the cam swing arm 10 is accidentally released and locking the slow release mechanism, so that the tool bag or other articles connected with the rope 12 are prevented from being damaged due to the too high release speed. Other combinations and connection relationships of this embodiment are the same as those of the second embodiment.
And a specific embodiment IV: as shown in connection with fig. 8 to 10, the friction assembly includes a plurality of inner friction plates 5 and a plurality of outer friction plates 6, the inner friction plates 5 being spaced apart from the outer friction plates 6. The elastic friction plates are connected in series, so that the adjustment stroke can be increased. Other combinations and connection relationships of this embodiment are the same as those of the third embodiment.
Fifth embodiment: referring to fig. 8 to 10, the inner friction plate 5 is an annular sheet structure with a plurality of inner splines 5-1 circumferentially arranged on the inner ring, and the outer friction plate 6 is an annular sheet structure with a plurality of outer splines 6-1 circumferentially arranged on the outer ring. Other combinations and connection relationships of the present embodiment are the same as those of the fourth embodiment.
Specific embodiment six: as shown in fig. 8 to 10, the first sheave 4 is provided with an inner spline groove 17 matching the outer spline 6-1, the second sheave 7 is provided with an outer spline groove 16 matching the inner spline 5-1, the inner friction plate 5 and the second sheave 7 are connected to the outer spline groove 16 by the inner spline 5-1, and the outer friction plate 6 and the first sheave 4 are connected to the inner spline groove 17 by the outer spline 6-1. The friction plate is used for driving the inner friction plate 5 and the outer friction plate 6 to rotate relatively, and the friction stroke is increased. Other combinations and connection relationships of this embodiment are the same as those of embodiment five.
Specific embodiment seven: the rope 12 of the first rope pulley 4 and the second rope pulley 7 is tightly pressed, and the rope 12 is prevented from being separated from the first rope pulley 4 and the second rope pulley 7 in a slow-release process. Other combinations and connection relationships of the present embodiment are the same as those of the fourth embodiment.
Specific embodiment eight: the combined drawing is shown in fig. 1 to 12, and comprises a cam support 9, the cam support 9 is connected with an elastic shaft 2 or a rack 1, the cam support 9 is connected with a cam swing arm 10 through a pin shaft 11, the cam swing arm 10 can swing circumferentially by taking the pin shaft 11 as an axle center, the cam swing arm 10 is positioned through an elastic cylindrical pin 15, other swinging except the circumferential swinging of the cam swing arm 10 is avoided, one end of a slow release push sleeve 13 is provided with a boss, the cam support 9 is provided with a through groove, the boss is embedded in the through groove of the cam support 9, and the boss is contacted with the cam swing arm 10 so as to enable the slow release push sleeve 13 to axially move when the cam swing arm 10 is swung. Other combinations and connection relationships of the present embodiment are the same as those of the fourth embodiment.
Preferably, the cam support 9, the elastic shaft 2 and the frame 1 are all connected in sequence by a plurality of screws 14.
Embodiment nine: as shown in fig. 1 to 12, the cam swing arm 10 includes a cam swing arm handle 10-1, a first cam swing arm limiting surface 10-2 and a second cam swing arm limiting surface 10-3, when the cam swing arm handle 10-1 is swung to enable the first cam swing arm limiting surface 10-2 to be attached to the end surface of the cam support 9, the pre-tightening stroke is reduced, the pre-tightening force is increased, the friction force generated between the first rope pulley 4, the second rope pulley 7 and the friction assembly is increased, the slow-release descending speed of the rope 12 is reduced, and the slow-release process of the deceleration is performed; when the cam swing arm handle 10-1 is swung to enable the first cam swing arm limiting surface 10-2 to be completely attached to the end face of the cam support 9, the pre-tightening stroke is minimum, the pre-tightening force is maximum, the friction resistance is maximum, and the load is larger than the load, and the cam swing arm is in a static state at the moment; when the cam swing arm handle 10-1 is swung to enable the second cam swing arm limiting surface 10-3 to be attached to the end surface of the cam support 9, the pretightening stroke is increased, the pretightening force is reduced, the friction force generated between the first rope pulley 4, the second rope pulley 7 and the friction assembly is reduced, the rope 12 slowly releases and descends in an acceleration slow release process; when the cam swing arm handle 10-1 is swung to enable the second cam swing arm limiting surface 10-3 to be completely attached to the end face of the cam support 9, the pre-tightening stroke is maximum, the pre-tightening force is minimum, the slow-release descending speed of the rope 12 is maximum, and the process of the maximum slow-release releasing speed is achieved. Other combinations and connection relationships of this embodiment are the same as those of embodiment eight.
Specific embodiment ten: as shown in fig. 1 to 12, the first rope pulley 4 and the second rope pulley 7 are respectively provided with rope pulley grooves, and the ropes 12 are respectively wound in the opposite directions and pressed in the rope pulley grooves of the first rope pulley 4 and the second rope pulley 7. Other combinations and connection relationships of this embodiment are the same as those of embodiment nine.
Although the present disclosure is disclosed above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and such changes and modifications would be within the scope of the disclosure.
Working principle:
Initial state: the first cam swing arm limiting surface 10-2 is attached to the end surface of the cam support 9, the pre-tightening stroke is minimum, the pre-tightening force is maximum, the friction force generated between the first rope pulley 4 and the second rope pulley 7 and the inner friction plate 5 and the outer friction plate 6 is maximum, and the friction force is larger than the load, and is in a static state at the moment.
Slow acceleration slow release operation: the cam swing arm 10 is swung along the A direction, the cam swing arm 10 pushes the slow-release push sleeve 13 towards the E direction, the slow-release push sleeve 13 pushes the elastic shaft 2, the elastic shaft 2 is lengthened, the pre-tightening stroke is enlarged, the pre-tightening force is reduced, the friction force generated between the first rope pulley 4 and the second rope pulley 7 and the inner friction plate 5 and the outer friction plate 6 is reduced, and the rope 12 slowly accelerates and descends when the load is smaller than the load; when the second cam swing arm limiting surface 10-3 is attached to the end surface of the cam support 9, the pre-tightening stroke is maximum, the pre-tightening force is minimum, the friction force generated between the first rope pulley 4 and the second rope pulley 7 and between the inner friction plate 5 and the outer friction plate 6 is minimum, and the slow-release descending speed of the rope 12 is maximum.
Slow-speed and slow-release operation: the cam swing arm 10 is swung along the direction B, a gap is generated between the cam swing arm 10 and the slow-release push sleeve 13, the elastic shaft 2 is reset under the action of self elasticity, the slow-release push sleeve 13 is pushed back to the direction F to be in contact with the cam swing arm 10, at the moment, the pretightening stroke is reduced, the pretightening force is increased, the friction force generated between the first rope pulley 4 and the second rope pulley 7 and the inner friction plate 5 and the outer friction plate 6 is increased, and the rope 12 slowly decelerates and descends until the friction force is larger than or equal to the load and becomes in a static state.
Claims (5)
1. A rope slow release mechanism, which comprises a frame (1), and is characterized in that: the novel rope pulley comprises a frame (1), and is characterized by further comprising a first rope pulley (4), a second rope pulley (7), an elastic shaft (2), an elastic shaft end cover (3), a slow-release push sleeve (13), a friction assembly and a cam swing arm (10), wherein the elastic shaft end cover (3) and the elastic shaft (2) are connected with each other, the slow-release push sleeve (13) is positioned in the elastic shaft (2), the second rope pulley (7) is sleeved on the outer side of the elastic shaft (2), a shoulder is arranged on the elastic shaft (2), the second rope pulley (7) is clamped with the shoulder, a friction assembly and the first rope pulley (4) are sequentially arranged between the elastic shaft end cover (3) and the second rope pulley (7), the cam swing arm (10) is connected with the frame (1) and is in contact with the slow-release push sleeve (13), and is used for pushing the slow-release push sleeve (13) to move along the axis through the swing cam swing arm (10), so that the friction assembly, the first rope pulley (4) and the second rope pulley (7) are further changed in a friction force between the friction assembly and the second rope pulley (7) is in a telescopic way, and whether the release speed is controlled or not;
The elastic shaft (2) comprises an elastic shaft spring part (2-1) and an elastic shaft fixing part (2-2) which are integrally formed, the elastic shaft spring part (2-1) is connected with the elastic shaft end cover (3) through a screw (14), and the elastic shaft fixing part (2-2) is connected with the frame (1) through the screw (14);
The elastic shaft end cover (3), the friction assembly, the first rope pulley (4) and the second rope pulley (7) are sequentially pressed and arranged, and the friction assembly is in a friction state;
The friction assembly comprises a plurality of inner friction plates (5) and a plurality of outer friction plates (6), and the inner friction plates (5) and the outer friction plates (6) are arranged at intervals;
the inner friction plate (5) is of an annular sheet structure with a plurality of inner splines (5-1) circumferentially arranged on the inner ring, and the outer friction plate (6) is of an annular sheet structure with a plurality of outer splines (6-1) circumferentially arranged on the outer ring;
The first rope pulley (4) is provided with an inner spline groove (17) matched with the outer spline (6-1), the second rope pulley (7) is provided with an outer spline groove (16) matched with the inner spline (5-1), the inner friction plate (5) is connected with the outer spline groove (16) through the inner spline (5-1) and the second rope pulley (7), and the outer friction plate (6) is connected with the inner spline groove (17) through the outer spline (6-1) and the first rope pulley (4).
2. A rope sustained release mechanism as defined in claim 1, wherein: the rope pressing device is characterized by further comprising a pressing cover (8), wherein the pressing cover (8) is connected with the frame (1) and is used for pressing the rope (12) of the first rope pulley (4) and the second rope pulley (7) to prevent the rope (12) from being separated from the first rope pulley (4) and the second rope pulley (7) in a slow-release process.
3. A rope sustained release mechanism as defined in claim 1, wherein: still include cam support (9), cam support (9) are connected with elastic axis (2), cam support (9) are connected through round pin axle (11) with cam swing arm (10), cam swing arm (10) can follow circumferencial direction swing, fix a position cam swing arm (10) through elasticity cylindric lock (15), slowly-releasing push away cover (13) one end and be provided with the boss, cam support (9) are provided with logical groove, the boss is built-in the logical inslot of cam support (9), boss and cam swing arm (10) contact.
4. A rope sustained release mechanism as defined in claim 3, wherein: the cam swing arm (10) comprises a cam swing arm handle (10-1), a first cam swing arm limiting surface (10-2) and a second cam swing arm limiting surface (10-3), when the cam swing arm handle (10-1) is swung to enable the first cam swing arm limiting surface (10-2) to be attached to the end face of the cam support (9), the pre-tightening stroke is reduced, the pre-tightening force is increased, the friction force generated among the first rope pulley (4), the second rope pulley (7) and the friction assembly is increased, and the slow-release descending speed of the rope (12) is reduced; when the swing cam swing arm handle (10-1) enables the second cam swing arm limiting surface (10-3) to be attached to the end face of the cam support (9), the pretightening stroke is increased, pretightening force is reduced, friction force generated among the first rope wheel (4), the second rope wheel (7) and the friction assembly is reduced, and the slow-release descending speed of the rope (12) is increased.
5. A rope sustained release mechanism as defined in claim 4, wherein: rope wheel grooves are formed in the first rope wheel (4) and the second rope wheel (7) and are used for respectively winding ropes (12) in the opposite directions and pressing the ropes in the rope wheel grooves of the first rope wheel (4) and the second rope wheel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111207719.9A CN113859591B (en) | 2021-10-18 | 2021-10-18 | Rope slow release mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111207719.9A CN113859591B (en) | 2021-10-18 | 2021-10-18 | Rope slow release mechanism |
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| CN113859591A CN113859591A (en) | 2021-12-31 |
| CN113859591B true CN113859591B (en) | 2024-05-03 |
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| CN202111207719.9A Active CN113859591B (en) | 2021-10-18 | 2021-10-18 | Rope slow release mechanism |
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| CN103386174A (en) * | 2012-05-13 | 2013-11-13 | 王三顺 | Reciprocating portable lowering device |
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|---|---|---|---|---|
| JPH11128377A (en) * | 1997-10-27 | 1999-05-18 | Osamu Ito | Evacuation device using rope for descent |
| KR20080038984A (en) * | 2006-10-31 | 2008-05-07 | 이광희 | Descending device |
| CN101869742A (en) * | 2010-07-12 | 2010-10-27 | 朱有为 | Reciprocating type portable descent control device |
| CN102614597A (en) * | 2012-04-25 | 2012-08-01 | 北京信息科技大学 | High altitude slow descending device |
| CN103386174A (en) * | 2012-05-13 | 2013-11-13 | 王三顺 | Reciprocating portable lowering device |
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| CN113859591A (en) | 2021-12-31 |
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