CN113071720B - Rope slow-release device is shifted to saddlebag - Google Patents
Rope slow-release device is shifted to saddlebag Download PDFInfo
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- CN113071720B CN113071720B CN202110315167.7A CN202110315167A CN113071720B CN 113071720 B CN113071720 B CN 113071720B CN 202110315167 A CN202110315167 A CN 202110315167A CN 113071720 B CN113071720 B CN 113071720B
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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
- B64G1/66—Arrangements or adaptations of apparatus or instruments, not otherwise provided for
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Abstract
The invention provides a tool bag transfer rope slow release device which comprises a central shaft, a loading wheel, a ratchet wheel, an unlocking disc, an unlocking block, a pawl, a lifting shaft and a handle, wherein the handle is rotated in the positive direction to drive the unlocking disc to rotate around the central shaft, the unlocking disc rotates to drive the unlocking block to rotate, the front end of the unlocking block abuts against the tail end of the pawl to separate the front end of the pawl from the ratchet wheel, the unlocking block drives the pawl and the loading wheel to rotate together to release a steel wire rope, the pawl is clamped on the ratchet wheel again under the action of the return of a torsion spring after releasing for a short distance, the rotation release of the loading wheel is stopped, and the unlocking disc is continuously driven to complete the controllable release of the steel wire rope; the handle is reversely driven, the unlocking disc rotates reversely, the load wheel is driven to rotate reversely through the hoisting shaft, and the steel wire rope is folded. The tool bag can be safely and stably transferred to the moon surface from the detector under the condition of manual operation, and the damage to transferred objects caused by rapid descending of the tool bag and other transferred objects due to overlarge load is avoided.
Description
Technical Field
The invention belongs to the technical field of rope release, and particularly relates to a tool bag transfer rope slow-release device.
Background
In order to successfully complete the investigation and exploration tasks on the lunar surface, an astronaut, a detection tool and the like need to be sent to the lunar surface together through a detector.
The detector is required to carry a tool kit for carrying tools for investigation and exploration, and the weight and the volume of the tool kit are relatively large. In order to facilitate the operation of astronauts, a tool bag transfer mechanism is required to be arranged on the detector to transfer the tool bag from the detector to the surface of the moon, but in the process of transferring the tool bag or other heavy objects, the tool bag and other transferred objects can be rapidly descended due to overlarge load, and thus the transferred objects can be damaged. Therefore, a new kit transfer rope slow-release device is needed to be designed, and the problem that the transferred objects such as the kit and the like are rapidly descended due to overlarge load and are damaged is avoided.
Disclosure of Invention
In view of this, the present invention is directed to a slow release device for a transfer rope of a tool bag, which can safely and stably transfer the tool bag from a detector to the surface of a moon under the condition of manual operation, so as to prevent the transferred objects, such as the tool bag, from being rapidly lowered due to an excessive load and causing damage to the transferred objects.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a tool bag transfer rope slow release device comprises a central shaft, a bogie wheel, a ratchet wheel, an unlocking disc, an unlocking block, a pawl, a hoisting shaft and a handle, wherein one end of the central shaft is installed on a detector, the bogie wheel, the ratchet wheel and the unlocking disc are sequentially installed on the central shaft from inside to outside, the unlocking block is fixed on the unlocking disc, the pawl is installed on the bogie wheel through a pawl fixing shaft, a torsion spring is installed on the pawl fixing shaft, a steel wire rope is wound on the bogie wheel, a tool bag is hung on the steel wire rope, the handle is installed on the unlocking disc, an arc-shaped hole is formed in the unlocking disc, the hoisting shaft is fixed on the bogie wheel, and the hoisting shaft penetrates into the arc-shaped hole;
the handle is rotated in the positive direction to drive the unlocking disc to rotate around the central shaft, the unlocking disc is rotated to drive the unlocking block to rotate, the front end of the unlocking block abuts against the tail end of the pawl to enable the front end of the pawl to be separated from the ratchet wheel, the unlocking block drives the pawl and the bogie wheel to rotate together to release the steel wire rope, the pawl is clamped on the ratchet wheel again due to the return action of the torsion spring after the steel wire rope is released for a short distance, the rotary release of the bogie wheel is stopped, and the steel wire rope is released controllably by continuously driving the unlocking disc;
the handle is reversely driven, the unlocking disc rotates reversely, the load wheel is driven to rotate reversely through the hoisting shaft, and the steel wire rope is folded.
Furthermore, the unlocking block is provided with two arc-shaped blocks, the two arc-shaped blocks are symmetrically arranged on the unlocking disc, correspondingly, the two pawls are provided, and the two pawls lock or unlock the ratchet wheel simultaneously.
Furthermore, the handle comprises a sleeve, a handle shaft, a blocking piece and a sunk screw, the handle shaft is fixed at the position, far away from the center, of the unlocking disc, the sleeve is sleeved on the handle shaft, and the sleeve is fixed on the handle shaft through the blocking piece and the sunk screw.
Furthermore, the free end of the steel wire rope bypassing the loading wheel is fixedly connected with the tool kit after passing through a fixed pulley block, the fixed pulley block is arranged on a first fixed pulley frame and a second fixed pulley frame, and the first fixed pulley frame and the second fixed pulley frame are arranged on the detector.
Furthermore, two needle bearings b are arranged in the bogie wheel through a retaining ring d, are separated by a shaft sleeve a in the middle of the two needle bearings b, and are fixed on the central shaft through the retaining ring a.
Furthermore, a steel wire rope fixing hole is reserved on the bogie wheel.
Further, the ratchet wheel is connected with the central shaft through a key, and a shaft sleeve c for limiting the movement of the ratchet wheel is arranged between the ratchet wheel and a needle bearing b arranged close to the ratchet wheel.
Furthermore, a needle bearing a matched with the central shaft is arranged in the unlocking disc, the needle bearing a is fixed in the unlocking disc through a retaining ring b, and the needle bearing a and the unlocking disc are limited on the central shaft through a retaining ring c.
Furthermore, the cross section of the connecting end of the central shaft and the detector is square, and clamping balls are arranged on four surfaces of the end part.
Furthermore, two arc-shaped holes are symmetrically formed in the unlocking disc, and two hoisting shafts are correspondingly arranged on the loading wheel.
Compared with the prior art, the kit transfer rope slow-release device has the following advantages:
1. when nobody drives the unlocking handle, the rope slow-release device can be automatically locked, and the automatic falling of the transferred objects under the self-weight condition is avoided.
2. After the unlocking handle is manually driven, the slow release of the rope can be completed; when the driving is stopped, the unlocking device can be quickly locked by self, and the damage of the transferred object caused by improper operation is avoided.
3. When the unlocking handle is driven reversely, the lifting work of transferring articles can be completed.
4. After the articles are reversely lifted to reach the preset height, the rope slow-release device still has a locking function when the driving is stopped, and the transferred articles are detained at the appointed height.
5. The end face of the central shaft adopts a connector of a fast-assembling structure, so that the assembling work of the equipment can be completed quickly.
6. Each unlocking can only be carried out by a small distance, and the loss of control caused by rapid and large-distance descending is avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic perspective view of a kit transfer cord release device;
FIG. 2 is a front view of a kit transfer cable relief device;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is a sectional view taken along line B-B of FIG. 2;
FIG. 5 is a locking schematic of the rope slow-release device;
FIG. 6 is an unlocked schematic view of the cable slow release device;
FIG. 7 is a schematic structural view of the connecting end of the rope slow-release device and the detector;
FIG. 8 is a state diagram of a toolkit prior to transition according to an embodiment of the present invention;
fig. 9 is a diagram illustrating a process of transferring a tool kit according to an embodiment of the invention.
Description of reference numerals:
1-central shaft, 2-retainer ring a, 3-shaft sleeve a, 4-bogie wheel, 5-pawl fixed shaft, 6-shaft sleeve b, 7-torsion spring, 8-pawl, 9-retainer ring b, 10-retainer ring c, 11-handle, 12-unlocking disc, 13-needle bearing, 14-countersunk screw, 15-unlocking block, 16-ratchet wheel, 17-shaft sleeve c, 18-needle bearing b, 19-steel wire rope, 20-retainer ring d, 21-sleeve, 22-handle shaft, 23-baffle, 24-key, 25-hoisting shaft, 26-detector, 27-fixed pulley block, 28-fixed pulley frame I, 29-fixed pulley frame II, 30-tool bag, 31-rope slow-releasing device, 32-arc hole, 32-pawl fixed shaft, 14-ratchet wheel fixed shaft, 17-shaft sleeve c, 18-torsion spring, 19-steel wire rope, 20-retainer ring d, 21-sleeve, 22-handle shaft, 23-baffle, 24-key, 25-hoisting shaft, 26-detector, 27-fixed pulley block, 28-fixed pulley frame I, 29-fixed pulley frame II, 30-tool bag, 31-rope slow-slow releasing device, 32-arc hole, ratchet wheel fixed pulley frame II, and special-ratchet wheel, 33-interface part.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-9, a kit transfer rope slow release device comprises a central shaft 1, a bogie 4, a ratchet wheel 16, an unlocking disc 12, an unlocking block 15, a pawl 8, a hoisting shaft 25 and a handle 11, wherein one end of the central shaft 1 is installed on a detector 26, the bogie 4, the ratchet wheel 16 and the unlocking disc 12 are sequentially installed on the central shaft 1 from inside to outside, the unlocking block 15 is fixed on the unlocking disc 12, the pawl 8 is installed on the bogie 4 through a pawl fixing shaft 5, a torsion spring 7 is installed on the pawl fixing shaft 5, a steel wire rope 19 is wound on the bogie 4, a kit 30 is hung on the steel wire rope 19, the handle 11 is installed on the unlocking disc 12, an arc-shaped hole 32 is formed on the unlocking disc 12, the hoisting shaft 25 is fixed on the bogie 4, and the hoisting shaft 25 penetrates into the arc-shaped hole 32;
the handle 11 is rotated in the positive direction to drive the unlocking disc 12 to rotate around the central shaft 1, the unlocking disc 12 rotates to drive the unlocking block 15 to rotate, the front end of the unlocking block 15 abuts against the tail end of the pawl 8 to enable the front end of the pawl 8 to be separated from the ratchet wheel 16, the unlocking block 15 drives the pawl 8 and the bogie wheel 4 to rotate together, release of the steel wire rope is achieved, after a short distance is released, due to the return effect of the torsion spring 7, the pawl 8 is clamped on the ratchet wheel 16 again, rotation release of the bogie wheel 4 is stopped, and the unlocking disc 12 is continuously driven to complete controllable release of the steel wire rope; the loss of control caused by rapid and large-distance descending is avoided, and only a small distance is descended for each unlocking;
the handle 11 is driven reversely, the unlocking disc 12 rotates reversely, the loading wheel 4 is driven to rotate reversely through the hoisting shaft 25, and the steel wire rope is collected; the free end of the steel wire rope passing by the bogie wheel 4 passes through a fixed pulley block 27 and then is fixedly connected with a tool kit 30, the fixed pulley block 27 is arranged on a first fixed pulley frame 28 and a second fixed pulley frame 29, and the first fixed pulley frame 28 and the second fixed pulley frame 29 are arranged on a detector 26.
The unlocking block 15 is provided with two unlocking blocks which are arc-shaped blocks, the two unlocking blocks are symmetrically arranged on the unlocking disc 12, correspondingly, the number of the pawls 8 is two, each pawl 8 is fixed on the bogie wheel 4 through one pawl fixing shaft 5, one torsion spring 7 is matched with each pawl fixing shaft 5, and the two pawls 8 lock or unlock the ratchet wheel 16 simultaneously.
The handle 11 comprises a sleeve 21, a handle shaft 22, a baffle 23 and a countersunk screw 14, wherein the handle shaft 22 is fixed at the position far away from the center of the unlocking disc 12, the sleeve 21 is sleeved on the handle shaft 22, and the sleeve 21 is fixed on the handle shaft 22 through the baffle 23 and the countersunk screw 14. The handle 11 is fixed on the unlocking disk 12 in a threaded manner, and the operator drives the unlocking disk 12 to rotate by rotating the handle 11.
Two needle roller bearings b 18 are arranged in the bogie wheel 4 through a retainer ring d 20, the two needle roller bearings b 18 are separated by a shaft sleeve a 3 and are fixed on the central shaft 1 through a retainer ring a 2, and the arrangement is such that the free rotation of the bogie wheel around the central shaft 1 is realized; the retainer ring is mainly used for positioning the bearing, so that the unlocking disc, the lifting wheel and the central shaft are prevented from generating non-rotational displacement.
A fixing hole for a steel wire rope 19 is reserved on the bogie wheel 4, so that the steel wire rope 19 can be conveniently fixed.
The ratchet wheel 16 is connected with the central shaft 1 through a key 24, a shaft sleeve c 17 for limiting the movement of the ratchet wheel 16 is arranged between the ratchet wheel 16 and one needle bearing b 18 which is arranged close to the ratchet wheel 16, and two ends of the shaft sleeve c 17 are respectively contacted with the end surface of the ratchet wheel 16 and the needle bearing b 18 which is arranged close to the ratchet wheel, so that the movement of the ratchet wheel 16 is effectively limited.
A needle bearing a 13 that fits the center shaft 1 is provided inside the unlocking disc 12, the needle bearing a 13 is fixed inside the unlocking disc 12 by a retainer b 9, and the retainer c 10 retains the needle bearing a 13 and the unlocking disc on the center shaft 1.
The cross section of the connecting end of the central shaft 1 of the rope slow-release device 31 and the detector 26 is square, and the interface part 33 of the detector 26 is matched with the connecting end of the central shaft 1; the function of quick installation can be realized at any interface meeting the size; the four surfaces of the end part of the connecting end are provided with clamping balls to strengthen the fastening degree of the connection; the part connected with the detector is square, and the central shaft 1 does not rotate in the using process.
Two arc holes 32 are symmetrically arranged on the unlocking disc 12, correspondingly, two hoisting shafts 25 are arranged on the bogie wheel 4, and the unlocking disc is arranged to ensure that the bogie wheel 4 is driven by the unlocking disc to rotate stably.
The working principle of the device of the present application includes:
the handle 11 is rotated in the positive direction to drive the unlocking disc 12 to rotate around the central shaft 1, the unlocking disc 12 rotates to drive the unlocking block 15 to rotate, the front end of the unlocking block 15 is abutted against the tail end of the pawl 8, at the moment, the pawl 8 is equivalent to a lever taking the pawl fixing shaft 5 as a fulcrum, under the action of lever force, the front end of the pawl 8 is separated from the ratchet wheel 16, a tool bag (heavy object) is hung on a steel wire rope 19 wound by the bogie wheel 4, and the bogie wheel 4 always bears the action of the rotating circumferential force; after the pawl 8 and the ratchet wheel 16 are unlocked, the pawl 8 and the loading wheel 4 rotate together to complete the release of the rope; after releasing for a short distance, the rear end of the pawl 8 is separated from the front end of the unlocking piece 15, the pawl 8 is clamped on the ratchet wheel 16 again under the action of the torsion force of the torsion spring 7, and the rotation release of the bogie wheel 4 is stopped; the releasing work of the rope is continuously finished by driving the unlocking disc 12 to rotate, and the releasing work of the rope is always controlled within a certain range, so that the controllability of releasing the rope is realized;
the handle 11 is driven reversely, the unlocking disc 12 rotates reversely, and the hole wall of the arc hole in the unlocking disc 12 is contacted with the hoisting shaft 25; the hoisting shaft 25 is connected with the bogie wheel 4 through a nut; the unlocking disc 12 transmits the rotating force to the loading wheel 4 through the hoisting shaft 25, so that the loading wheel 4 rotates reversely to wind the steel wire rope 19 in the wire slot, and the lifting work of the heavy object is completed.
During the lifting process of the heavy object, the pawl 8 and the ratchet wheel 16 cannot be locked, and after the lifting work is finished, the pawl 8 can be tightly clamped on the ratchet wheel 16 under the action of the torsion spring 7, so that the locking work is finished.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A kit transfer rope sustained release device, characterized in that: including center pin (1), bogie wheel (4), ratchet (16), unblock dish (12), unblock piece (15), pawl (8), lifting shaft (25) and handle (11), the one end of center pin (1) is installed on detector (26), bogie wheel (4), ratchet (16) and unblock dish (12) install in proper order on center pin (1) from inside to outside, unblock piece (15) fix on unblock dish (12), pawl (8) install on bogie wheel (4) through pawl fixed axle (5), install torsional spring (7) on pawl fixed axle (5), twine wire rope (19) on bogie wheel (4), hang instrument package (30) on wire rope (19), handle (11) install on unblock dish (12), seted up arc hole (32) on unblock dish (12), fixed axle (25) on bogie wheel (4), the hoisting shaft (25) penetrates into the arc-shaped hole (32);
the handle (11) is rotated in the positive direction to drive the unlocking disc (12) to rotate around the central shaft (1), the unlocking disc (12) rotates to drive the unlocking block (15) to rotate, the front end of the unlocking block (15) is abutted against the tail end of the pawl (8) to enable the front end of the pawl (8) to be separated from the ratchet wheel (16), the unlocking block (15) drives the pawl (8) and the bogie wheel (4) to rotate together to release the steel wire rope, the pawl (8) is clamped on the ratchet wheel (16) again due to the return action of the torsion spring (7) after the short distance is released, the rotation of the bogie wheel (4) is released to stop, and the unlocking disc (12) is continuously driven to complete the controllable release of the steel wire rope;
the handle (11) is driven reversely, the unlocking disc (12) rotates reversely, the loading wheel (4) is driven to rotate reversely through the hoisting shaft (25), and the steel wire rope is collected.
2. The kit transfer cord release device of claim 1, wherein: the unlocking block (15) is provided with two arc-shaped blocks, the arc-shaped blocks are symmetrically arranged on the unlocking disc (12), correspondingly, the two pawls (8) are arranged, and the two pawls (8) lock or unlock the ratchet wheel (16) simultaneously.
3. A kit transfer cable relief device according to claim 1, wherein: the handle (11) comprises a sleeve (21), a handle shaft (22), a blocking piece (23) and a sunk screw (14), the handle shaft (22) is fixed at the position, far away from the center, of the unlocking disc (12), the sleeve (21) is sleeved on the handle shaft (22), and the sleeve (21) is fixed on the handle shaft (22) through the blocking piece (23) and the sunk screw (14).
4. A kit transfer cable relief device according to claim 1, wherein: the free end of the steel wire rope which bypasses the bogie wheel (4) passes through a fixed pulley block (27) and then is fixedly connected with a tool kit (30), the fixed pulley block (27) is installed on a first fixed pulley frame (28) and a second fixed pulley frame (29), and the first fixed pulley frame (28) and the second fixed pulley frame (29) are installed on a detector (26).
5. A kit transfer cable relief device according to claim 1, wherein: two needle roller bearings b (18) are mounted inside the bogie wheel (4) through a retainer d (20), are separated by a sleeve a (3) in the middle of the two needle roller bearings b (18), and are fixed on the central shaft (1) through a retainer a (2).
6. A kit transfer cable relief device according to claim 1, wherein: a fixing hole of a steel wire rope (19) is reserved on the bogie wheel (4).
7. The kit transfer cord release of claim 5, wherein: the ratchet wheel (16) is connected with the central shaft (1) through a key (24), and a shaft sleeve c (17) for limiting the movement of the ratchet wheel (16) is arranged between the ratchet wheel (16) and a needle bearing b (18) arranged close to the ratchet wheel (16).
8. A kit transfer cable relief device according to claim 1, wherein: a needle bearing a (13) matched with the central shaft (1) is arranged in the unlocking disc (12), the needle bearing a (13) is fixed in the unlocking disc (12) through a retaining ring b (9), and the needle bearing a (13) and the unlocking disc are limited on the central shaft (1) through a retaining ring c (10).
9. A kit transfer cord release device according to any one of claims 1-8, wherein: the cross section of the connecting end of the central shaft (1) and the detector (26) is square, and clamping balls are arranged on four surfaces of the end part.
10. The kit transfer cord release device of claim 9, wherein: two arc-shaped holes (32) are symmetrically arranged on the unlocking disc (12), and correspondingly, two hoisting shafts (25) are arranged on the bogie wheel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315167.7A CN113071720B (en) | 2021-03-24 | 2021-03-24 | Rope slow-release device is shifted to saddlebag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315167.7A CN113071720B (en) | 2021-03-24 | 2021-03-24 | Rope slow-release device is shifted to saddlebag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113071720A CN113071720A (en) | 2021-07-06 |
| CN113071720B true CN113071720B (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110315167.7A Active CN113071720B (en) | 2021-03-24 | 2021-03-24 | Rope slow-release device is shifted to saddlebag |
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| CN (1) | CN113071720B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116119042B (en) * | 2023-04-19 | 2023-07-07 | 中国科学院沈阳自动化研究所 | Flying net type space debris capturing device |
| CN117002755B (en) * | 2023-08-03 | 2024-05-03 | 苏州三垣航天科技有限公司 | Space moving object capturing net claw mechanism and control method thereof |
| CN117842394B (en) * | 2023-12-05 | 2024-10-11 | 哈尔滨工业大学 | Load transfer device with automatic switching of driving power |
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| JPH1143291A (en) * | 1997-07-25 | 1999-02-16 | Wako Kikai Kogyo Kk | Safety device for winch |
| FR2898506B1 (en) * | 2006-03-15 | 2008-05-30 | Zedel Soc Par Actions Simplifi | MULTI-FUNCTIONAL ROPE INSURANCE APPARATUS |
| JP2011051771A (en) * | 2009-09-04 | 2011-03-17 | Hi-Lex Corporation | Control device of winch |
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| CN110273595B (en) * | 2019-04-23 | 2021-04-13 | 温州康升特锁业有限公司 | Bicycle wire lock |
| DE102019120036A1 (en) * | 2019-07-24 | 2021-01-28 | Columbus Mckinnon Industrial Products Gmbh | Hoist |
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| CN104692268A (en) * | 2015-01-15 | 2015-06-10 | 佛山高富中石油燃料沥青有限责任公司 | Manual lifting mechanism for fluid loading arm for ship on wharf |
| CN106348196A (en) * | 2016-11-30 | 2017-01-25 | 江西洪都航空工业集团有限责任公司 | Reverse self-locking mechanism of rotating shaft |
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