CN107320865B - A rope overspeed device tensioner is received fast for fire control cross rescue - Google Patents
A rope overspeed device tensioner is received fast for fire control cross rescue Download PDFInfo
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- CN107320865B CN107320865B CN201710551137.XA CN201710551137A CN107320865B CN 107320865 B CN107320865 B CN 107320865B CN 201710551137 A CN201710551137 A CN 201710551137A CN 107320865 B CN107320865 B CN 107320865B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B3/00—Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens; Portable devices for preventing smoke penetrating into distinct parts of buildings
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Abstract
The invention discloses a quick rope winding and tensioning device for firefighting cross rescue, which comprises a steel chisel, a steel chisel fixing plate, a winch device, a U-shaped fixing plate, a fixing vertical plate, a rope winding device and a tensioning device, wherein the steel chisel fixing plate is fixedly connected with the winch device; the two drill rod fixing plates are respectively fixed at the front end and the rear end of the bottom plate of the U-shaped fixing plate, U-shaped grooves are formed in the two ends of the drill rod fixing plate, and the upper ends of the drill rods are clamped in the U-shaped grooves; winch device installs on the left riser of U type fixed plate, and fixed riser is installed on the riser on U type fixed plate right side, receives rope device and overspeed device tensioner and all installs on fixed riser, can realize receiving fast of rescue rope and tensioning function, and the rope does not need the whole circle winding, applicable in receiving fast of overlength rope and tensioning, convenient high-efficient.
Description
Technical Field
The invention belongs to the technical field of rescue ropes, and particularly relates to a quick rope winding and tensioning device for fire cross rescue.
Background
In the rescue of large-span large-space disaster accidents such as canyons, riverways, high-rise buildings, flood fighting and the like, rescue officers and soldiers cannot reach the positions of rescued people, and the rescue is usually carried out in a cross rescue mode. The premise of crossing rescue is that a crossing rope meeting the safety standard is erected, the difficulty of erecting a long-distance rope is very high due to uncertainty of rescue time, place and climate, and rescue workers often use tripods, trees, large stones and the like to manufacture end fulcrums of the rescue rope and tension the rescue rope. Often because the condition restriction of rescue scene can not find suitable fulcrum, and the taut rescue rope of manpower wastes time and energy, but often can not reach the ferry requirement, consequently, it is necessary to develop a device that can erect the fulcrum fast, receive the rope tensioning fast to alleviate fire control officer's physical demands, help the quick of ferry rescue to develop.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a quick rope retracting and tensioning device for fire-fighting cross rescue, which can realize the quick rope retracting and tensioning functions of rescue ropes, does not need to be wound in a whole circle, and is suitable for quick rope retracting and tensioning of super-long ropes.
The technical problem of the invention is mainly solved by the following technical scheme:
the invention discloses a quick rope winding and tensioning device for fire cross rescue, which comprises a steel chisel, a steel chisel fixing plate, a winch device, a U-shaped fixing plate, a fixing vertical plate, a rope winding device and a tensioning device, wherein the steel chisel fixing plate is fixedly connected with the winch device; the two drill rod fixing plates are respectively fixed at the front end and the rear end of the bottom plate of the U-shaped fixing plate, U-shaped grooves are formed in the two ends of the drill rod fixing plate, and the upper ends of the drill rods are clamped in the U-shaped grooves; the winch device is installed on the vertical plate on the left side of the U-shaped fixing plate, the fixed vertical plate is installed on the vertical plate on the right side of the U-shaped fixing plate, and the rope collecting device and the tensioning device are installed on the fixed vertical plate.
Further, the winch device comprises a handle, a handle rod, a pinion shaft, a pinion shaft, a bull gear, a ratchet wheel, a first pawl and a second pawl; the pinion shaft penetrates through the left vertical plate of the U-shaped fixing plate and is hinged with the right vertical plate of the U-shaped fixing plate; the ratchet wheel and the pinion are fixed on a pinion shaft, the ratchet wheel is arranged on the outer side of the vertical plate on the left side of the U-shaped fixing plate, and the pinion is arranged on the inner side of the vertical plate on the left side of the U-shaped fixing plate; the first pawl and the second pawl are both arranged on the outer side of the vertical plate on the left side of the U-shaped fixing plate and are matched with the ratchet wheel; the large gear shaft penetrates through the left vertical plate of the U-shaped fixing plate and is hinged with the right vertical plate of the U-shaped fixing plate, and the large gear is fixed on the large gear shaft, is arranged on the inner side of the left vertical plate of the U-shaped fixing plate and is matched with the small gear; one end of the handle rod is fixed at one end of the pinion shaft, and the other end of the handle rod is fixed with the handle.
Furthermore, the rope winding device comprises a winding wheel, an upper pressing wheel, a lower pressing wheel, an adjusting screw, an adjusting nut, a fixed block, a floating joint and a pressing wheel shaft; the winding wheel is fixed on a large gear shaft and is arranged on the inner side of a vertical plate on the right side of the U-shaped fixed plate, the upper pressing wheel is sleeved on a pressing wheel shaft, the pressing wheel shaft penetrates through a square hole in the fixed vertical plate, and a square part on the pressing wheel shaft is matched with the square hole in the fixed vertical plate to slide up and down; the fixed block is fixedly arranged at the upper end of the fixed vertical plate, the adjusting nut is screwed on the adjusting screw rod, the adjusting screw rod penetrates through the fixed block, the tail end of the adjusting screw rod is fixedly provided with the floating joint, and the floating joint is matched with the U-shaped groove at the tail part of the pressing wheel shaft; the lower pinch roller is arranged in front of and below the upper pinch roller.
Furthermore, the tensioning device comprises a pressing claw, a connecting rod, a rocker arm, a connecting plate, a tensioning wheel shaft, a connecting rod pin shaft, an upper tensioning wheel and a lower tensioning wheel; the upper tensioning wheel and the lower tensioning wheel are arranged on the fixed vertical plate through tensioning wheel shafts, the lower tensioning wheel is located below the upper tensioning wheel, the connecting plate is fixedly installed on the two tensioning wheel shafts, the middle of the rocker arm is hinged to the tensioning wheel shaft of the lower tensioning wheel, the tail of the rocker arm is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to one end of the pressing claw, and the middle of the pressing claw is hinged to the upper portion of the connecting plate through a pin shaft.
In order to protect the ratchet wheel, the pawl and the gear to a certain extent, the outer sides of the ratchet wheel, the first pawl and the second pawl are provided with square outer covers, and the outer side of the large gear is provided with a protective cover.
In order to facilitate the resetting of the first pawl and the second pawl, the rotating shafts of the first pawl and the second pawl are respectively provided with a resetting torsion spring.
In order to increase the friction between the rope and each wheel, the wheel groove surfaces of the winding wheel, the upper pressing wheel and the lower pressing wheel are all provided with barbs with certain angles.
The beneficial effects of the invention are: the invention can realize the quick rope retracting and tensioning of the rescue rope, the rope does not need to be wound in a whole circle, and the invention can be used for quickly retracting and tensioning the overlong rope, and is convenient and efficient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a rope rapid take-up and tensioning device for firefighting cross rescue according to the present invention with an outer cover and a protective cover removed;
fig. 2 is a schematic view of another perspective structure of the rope rapid take-up and tensioning device for firefighting cross-over rescue of the invention;
fig. 3 is a schematic perspective view of another perspective view of the rope rapid take-up and tensioning device for firefighting cross-over rescue of the invention;
FIG. 4 is a schematic structural view of a pressing wheel with barbs of the rope rapid rope-retracting tensioning device for firefighting cross-over rescue of the invention;
fig. 5 is a schematic half-sectional view of a rope rapid-retracting tensioning device for firefighting cross-over rescue according to the present invention;
fig. 6 is a sectional view of a U-shaped fixing plate according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
As shown in fig. 1-6, the rope fast-retracting tensioning device for fire cross rescue comprises a steel chisel 1, a steel chisel fixing plate 2, a winch device, a U-shaped fixing plate 4, a fixing vertical plate 5, a rope retracting device and a tensioning device; the drill rod 1 is fixedly clamped in a U-shaped groove on the drill rod fixing plate 2, and the drill rod fixing plate 2 is clamped at the front end and the rear end of a bottom plate 4-2 of the U-shaped fixing plate 4; winch device 3 installs on the left side riser of U type fixed plate 4, and fixed riser 5 is fixed with the right side riser of U type fixed plate 4, and receipts rope device and overspeed device tensioner fix on fixed riser 5.
The winch device comprises a handle 3-1, a handle rod 3-2, a pinion shaft 3-3, a pinion 3-11, a bull gear shaft 3-5, a bull gear 3-6, a ratchet wheel 3-4, and pawls 3-7 and 3-8; a pinion shaft 3-3 penetrates through a left vertical plate of the U-shaped fixing plate 4 and is hinged with a right vertical plate of the U-shaped fixing plate 4, a ratchet wheel 3-4 and a pinion 3-11 are fixed on the pinion shaft 3-3, the ratchet wheel 3-4 is installed on the outer side of the left vertical plate of the U-shaped fixing plate 4, and the pinion 3-11 is installed on the inner side of the left vertical plate of the U-shaped fixing plate 4; two pawls 3-7 and 3-8 are fixed on the outer side of a vertical plate 4-1 at the left side of the U-shaped fixing plate 4 and matched with a ratchet wheel 3-4, so that the winch device has a self-locking function, and a reset torsion spring (not shown in the figure) is sleeved on a rotating shaft of the first pawl 3-7 and the second pawl 3-8, so that the resetting action of the pawls is facilitated; a large gear shaft 3-5 penetrates through a left vertical plate 4-1 of the U-shaped fixing plate 4 and is hinged with a right vertical plate 4-1 of the U-shaped fixing plate 4, and a large gear 3-6 is fixed on the large gear shaft 3-5, is arranged on the inner side of the left vertical plate 4-1 of the U-shaped fixing plate 4 and is matched with a small gear 3-11; one end of a handle rod 3-2 is fixed at one end of the pinion shaft 3-3, and the other end of the handle rod is fixed with the handle 3-1; the outer sides of the ratchet wheel 3-4 and the pawls 3-7 and 3-8 are also provided with square outer covers 3-9, and the outer side of the big gear 3-6 is also provided with a protective cover 3-10.
The rope winding device comprises a winding wheel 6-2, an upper pressing wheel 6-1, a lower pressing wheel 6-3, an adjusting screw rod 6-4, an adjusting nut 6-5, a fixed block 6-6, a floating joint 6-7 and a pressing wheel shaft 6-8; the winding wheel 6-2 is fixed on a large gear shaft 3-5 and is arranged on the inner side of a vertical plate 4-1 on the right side of the U-shaped fixing plate 4, the upper pressing wheel 6-1 is sleeved on a pressing wheel shaft 6-8, the pressing wheel shaft 6-8 penetrates through a square hole in the fixed vertical plate 5, a square part on the pressing wheel shaft 6-8 is matched with a rectangular hole in the fixed vertical plate 5, and the pressing wheel shaft 6-8 can slide up and down along the square hole; the fixed block 6-6 is fixedly arranged at the upper end of the fixed vertical plate 5, the adjusting nut 6-5 is screwed on the adjusting screw 6-4, the adjusting screw 6-4 penetrates through the fixed block 6-6, the tail end of the adjusting screw is fixedly provided with the floating joint 6-7, the floating joint 6-7 is matched with a U-shaped groove at the tail part of the pressing wheel shaft 6-8, and the pressing wheel shaft 6-8 can be driven to move up and down by screwing the adjusting screw 6-4 and the adjusting nut 6-5 so as to press the rope 8; the fixing and adjusting mode of the lower pinch roller 6-3 is the same as that of the upper pinch roller 6-1; the surfaces of the grooves of the winding wheel 6-2, the upper pinch wheel 6-1 and the lower pinch wheel 6-3 are provided with barbs 6-9 with certain angles so as to increase the friction force between the rope 8 and the pulley.
The tensioning device comprises a pressing claw 7-1, a connecting rod 7-2, a rocker arm 7-5, a connecting plate 7-6, a tensioning wheel shaft 7-7, a connecting rod pin shaft 7-8, an upper tensioning wheel 7-3 and a lower tensioning wheel 7-4; the upper tensioning wheel 7-3 and the lower tensioning wheel 7-4 are respectively arranged on the fixed vertical plate 5 through tensioning wheel shafts 7-7, the tensioning wheel shafts 7-7 penetrate through the fixed vertical plate 5, the connecting plate 7-6 is fixedly arranged on the two tensioning wheel shafts 7-7, the middle part of the rocker arm 7-5 is hinged to the lower tensioning wheel shaft 7-7, the tail part of the rocker arm is hinged to one end of the connecting rod 7-2, the other end of the connecting rod 7-2 is hinged to one end of the pressing claw 7-1, and the middle part of the pressing claw 7-1 is hinged to the upper part of the connecting plate 7-6 through a pin shaft.
When the rope rapid take-up tensioning device for fire-fighting cross-over rescue is used for fire-fighting cross-over rescue, 4 steel rods 1 are driven into a selected fulcrum position, the positions of the 4 steel rods are limited by the steel rod fixing plate 2, the take-up tensioning device is clamped into a clamping groove in the steel rod fixing plate 2, a rescue rope 8 penetrates out from a position between a winding wheel 6-2 and an upper pressing wheel 6-1 of the take-up device, and the rope 8 is pressed by the upper pressing wheel 6-1 and a lower pressing wheel 6-3; the rope 8 is wound from the lower part of the lower tensioning wheel 7-4 of the tensioning device 7 and is wound from the upper left part of the upper tensioning wheel 7-3; the front end of a rocker arm 7-5 of the tensioning device 7 is always in an upwarping posture, so that the pressing claw 7-1 is separated from the rope 8, and the rope 8 can conveniently penetrate out. When the rope is reeled and tensioned, a handle 3-1 of the winch device 3 is manually and clockwise shaken, the rope 8 is driven to move towards the tensioning device 7 to be reeled under the action of a winding wheel 6-2, an upper pressing wheel 6-1 and a lower pressing wheel 6-2 of the rope reeling device 6, and after the rope 8 is tensioned to reach the rope tension required by cross rescue, a rocker arm 7-5 of the tensioning device 7 is pressed down, so that the head of a pressing claw 7-1 presses the rope 8, and the rope 8 is ensured not to retract.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a rope overspeed device tensioner is received fast to rope for fire control cross rescue which characterized in that: the device comprises a steel chisel (1), a steel chisel fixing plate (2), a winch device, a U-shaped fixing plate (4), a fixing vertical plate (5), a rope collecting device and a tensioning device; two steel rod fixing plates (2) are respectively fixed at the front end and the rear end of the bottom plate of the U-shaped fixing plate (4), U-shaped grooves are formed in the two ends of the steel rod fixing plates (2), and the upper ends of the steel rods (1) are clamped in the U-shaped grooves; the winch device (3) is arranged on a vertical plate (4-1) on the left side of the U-shaped fixing plate (4), the fixed vertical plate (5) is arranged on a vertical plate (4-1) on the right side of the U-shaped fixing plate (4), and the rope collecting device (6) and the tensioning device (7) are both arranged on the fixed vertical plate (5); the rope winding device comprises a winding wheel (6-2), an upper pressing wheel (6-1), a lower pressing wheel (6-3), an adjusting screw (6-4), an adjusting nut (6-5), a fixing block (6-6), a floating joint (6-7) and a pressing wheel shaft (6-8); the winding wheel (6-2) is fixed on a large gear shaft (3-5) and is installed on the inner side of a vertical plate (4-1) on the right side of the U-shaped fixing plate (4), the upper pressing wheel (6-1) is sleeved on a pressing wheel shaft (6-8), the pressing wheel shaft (6-8) penetrates through a square hole in the fixing vertical plate (5), and a square part on the pressing wheel shaft (6-8) is matched with the square hole in the fixing vertical plate (5) to slide up and down; the fixed block (6-6) is fixedly arranged at the upper end of the fixed vertical plate (5), the adjusting nut (6-5) is screwed on the adjusting screw rod (6-4), the adjusting screw rod (6-4) penetrates through the fixed block (6-6), the tail end of the adjusting screw rod is fixedly provided with the floating joint (6-7), and the floating joint (6-7) is matched with the U-shaped groove at the tail part of the pressing wheel shaft (6-8); the lower pinch roller (6-3) is arranged at the front lower part of the upper pinch roller (6-1); the tensioning device comprises a pressing claw (7-1), a connecting rod (7-2), a rocker arm (7-5), a connecting plate (7-6), a tensioning wheel shaft (7-7), a connecting rod pin shaft (7-8), an upper tensioning wheel (7-3) and a lower tensioning wheel (7-4); the upper tensioning wheel (7-3) and the lower tensioning wheel (7-4) are arranged on the fixed vertical plate (5) through tensioning wheel shafts (7-7), the lower tensioning wheel (7-4) is located below the upper tensioning wheel (7-3), the connecting plate (7-6) is fixedly installed on the two tensioning wheel shafts (7-7), the middle of the rocker arm (7-5) is hinged to the tensioning wheel shaft (7-7) of the lower tensioning wheel (7-4), the tail of the rocker arm is hinged to one end of the connecting rod (7-2), the other end of the connecting rod (7-2) is hinged to one end of the pressing claw (7-1), and the middle of the pressing claw (7-1) is hinged to the upper portion of the connecting plate (7-6) through a pin shaft.
2. The rope rapid take-up and tensioning device for fire-fighting cross-ferry rescue as claimed in claim 1, characterized in that: the winch device comprises a handle (3-1), a handle rod (3-2), a pinion shaft (3-3), a pinion (3-11), a pinion shaft (3-5), a gearwheel (3-6), a ratchet wheel (3-4), a first pawl (3-7) and a second pawl (3-8); the pinion shaft (3-3) penetrates through a left side vertical plate (4-1) of the U-shaped fixing plate (4) and is hinged with a right side vertical plate (4-1) of the U-shaped fixing plate (4); the ratchet wheel (3-4) and the pinion (3-11) are fixed on the pinion shaft (3-3), the ratchet wheel (3-4) is installed on the outer side of a left side vertical plate of the U-shaped fixing plate (4), and the pinion (3-11) is installed on the inner side of a left side vertical plate (4-1) of the U-shaped fixing plate (4); the first pawl (3-7) and the second pawl (3-8) are arranged on the outer side of a left vertical plate (4-1) of the U-shaped fixing plate (4) and matched with the ratchet wheel (3-4); a large gear shaft (3-5) penetrates through a left vertical plate of the U-shaped fixing plate (4) and is hinged with a right vertical plate of the U-shaped fixing plate (4), and a large gear (3-6) is fixed on the large gear shaft (3-5), is arranged on the inner side of the left vertical plate of the U-shaped fixing plate (4) and is matched with a small gear (3-11); one end of the handle rod (3-2) is fixed at one end of the pinion shaft (3-3), and the other end is fixed with the handle (3-1).
3. The rope rapid take-up and tensioning device for fire-fighting cross-ferry rescue as claimed in claim 2, characterized in that: and the rotating shafts of the first pawl (3-7) and the second pawl (3-8) are respectively provided with a reset torsion spring.
4. The rope rapid take-up and tensioning device for fire-fighting cross-ferry rescue as claimed in claim 2, characterized in that: the outer sides of the ratchet wheel (3-4), the first pawl (3-7) and the second pawl (3-8) are provided with square outer covers (3-9), and the outer side of the large gear (3-6) is provided with a protective cover (3-10).
5. The rope rapid take-up and tensioning device for fire-fighting cross-ferry rescue as claimed in claim 3, characterized in that: the surfaces of the wheel grooves of the winding wheel (6-2), the upper pressing wheel (6-1) and the lower pressing wheel (6-3) are all provided with barbs (6-9) with certain angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551137.XA CN107320865B (en) | 2017-07-07 | 2017-07-07 | A rope overspeed device tensioner is received fast for fire control cross rescue |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551137.XA CN107320865B (en) | 2017-07-07 | 2017-07-07 | A rope overspeed device tensioner is received fast for fire control cross rescue |
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| CN107320865A CN107320865A (en) | 2017-11-07 |
| CN107320865B true CN107320865B (en) | 2022-09-30 |
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|---|---|---|---|---|
| CN109107057B (en) * | 2018-10-23 | 2023-08-29 | 应急管理部上海消防研究所 | Rope crossing device with self-adaptation |
| CN110206019B (en) * | 2019-05-22 | 2023-12-15 | 天津港航工程有限公司 | Quick overspeed device tensioner of sheet pile pier steel pull rod |
| CN112594830A (en) * | 2020-12-18 | 2021-04-02 | 北京东方华脉工程设计有限公司 | Indoor fresh air ventilation and haze removal system |
| CN115180543A (en) * | 2022-06-29 | 2022-10-14 | 徐少钢 | Supporting spud device of one-way braking of capstan winch |
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| EP0265354A1 (en) * | 1986-10-23 | 1988-04-27 | Denis Creissels S.A. | Rescue vehicle, especially for cableway installations |
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| CN107320865A (en) | 2017-11-07 |
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