CN115010031B - Can prevent hoist reel of quick unwrapping wire - Google Patents
Can prevent hoist reel of quick unwrapping wire Download PDFInfo
- Publication number
- CN115010031B CN115010031B CN202210941771.5A CN202210941771A CN115010031B CN 115010031 B CN115010031 B CN 115010031B CN 202210941771 A CN202210941771 A CN 202210941771A CN 115010031 B CN115010031 B CN 115010031B
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- Prior art keywords
- transmission shaft
- winding drum
- pipe
- oil
- drum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/026—Fluid-resistance brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
- B66D5/26—Operating devices pneumatic or hydraulic
- B66D5/28—Operating devices pneumatic or hydraulic specially adapted for winding gear, e.g. in mining hoists
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Retarders (AREA)
Abstract
The invention belongs to the technical field of cranes, and relates to a crane drum capable of preventing rapid paying-off. The invention aims to provide a crane winding drum which has higher safety and can prevent quick paying-off. The invention provides a crane winding drum capable of preventing quick paying-off, which comprises a fixed shaft, a winding drum, a conversion mechanism, a speed reducing mechanism and the like, wherein the conversion mechanism is arranged on the fixed shaft on one side, the speed reducing mechanism is arranged in the winding drum, the conversion mechanism is used for converting the rotating speed of the winding drum into power for driving the speed reducing mechanism to work, and the speed reducing mechanism is used for reducing the speed of the winding drum. When the rotating speed of the winding drum is increased, the rotating speed of the input shaft of the gear pump is increased, so that the speed of hydraulic oil entering the gear pump is increased, the pressure in the gear pump is gradually increased, resistance is formed on the rotation of the transmission shaft, the purpose of reducing the rotating speed of the winding drum is achieved, the winding drum is prevented from paying off quickly, and the safety is high.
Description
Technical Field
The invention belongs to the technical field of cranes, and relates to a crane drum capable of preventing rapid paying-off.
Background
The winding drum is an important bearing part of the crane, the steel wire rope is wound under the action of the motor to realize the descending or lifting of a lifted heavy object, the winding drum bears a lifting load, the steel wire rope is wound and unwound, and the lifting of the fetching device is realized, so that the safety and the reliability of the winding drum of the lifting machine are very important.
But current hoist is when going up and down to the goods through the hoist, if the motor breaks down, the resistance that the reel received can reduce, the goods can down drop fast under the effect of gravity this moment, thereby pulling wire rope moves down fast, drive the reel fast rotation and carry out the unwrapping wire, can lead to the damage of goods this moment, serious, can pound machine or object on every side, also injure the workman by a crashing object easily, the security is not high, also can influence freight's work efficiency simultaneously.
In view of the above, there is a need for a crane drum with high safety and capable of preventing rapid unwinding, which solves the above problems.
Disclosure of Invention
In order to overcome the defects that when an existing winding drum is used, if a motor breaks down, the winding drum can be quickly unwound, so that goods fall down quickly, workers are easy to be injured by crashing, and safety is not high, the invention aims to provide the winding drum of the crane, which is high in safety and can prevent quick unwinding.
The invention is realized by the following technical approaches:
the utility model provides a can prevent hoist reel of quick unwrapping wire, which comprises a mounting bas, the fixed axle, bearing, the reel, drive gear and rotary disk, two mounts bases are parallel distribution, all be connected with the fixed axle on the mount base, all be connected with bearing on the fixed axle, the bearing outer wall of one side is connected with the reel that is used for coiling wire rope, the reel in-connection has the rotary disk, the rotary disk is connected with the bearing outer wall of opposite side, be connected with on the rotary disk and be used for driving reel pivoted drive gear, still including shifter and reduction gears, be provided with the shifter on the fixed axle of one side, the inside of reel is provided with reduction gears, the shifter is used for converting the slew velocity of reel into the power of drive reduction gears work, reduction gears is used for slowing down the reel.
Further, the switching mechanism comprises a fixing frame, a transmission shaft and a planetary gear set, wherein the fixing frame is connected to one end, close to the winding drum, of the fixing shaft on one side, the transmission shaft is rotatably connected to the middle of the fixing frame, the transmission shaft is located inside the winding drum, and the planetary gear set is arranged between the transmission shaft and the winding drum.
Further, reduction gears is including the solid fixed cylinder, the support frame, the gear pump, the batch oil tank, inhale the oil pipe, go out the oil pipe, restriction valve and back flow, the one end that the fixed axle of keeping away from mount one side is close to the reel is connected with the solid fixed cylinder, the solid fixed cylinder is connected with the transmission shaft rotary type, the inside one side of keeping away from the transmission shaft of solid fixed cylinder is connected with the support frame, be connected with the gear pump that is used for carrying out the speed limit to the reel on the support frame, the input shaft and the transmission shaft of gear pump are kept away from the one end of mount and are connected, be connected with the batch oil tank on the support frame, be connected with between one side that the transmission shaft was kept away from to one side of transmission shaft and gear pump and inhale oil pipe and intercommunication, one side intercommunication of inhaling the oil pipe is kept away from to the gear pump, be connected with the restriction valve on the back flow.
Furthermore, the reel is further provided with a retaining ring, and two sides of the outer wall of the reel, which are close to the two mounting seats, are respectively connected with the retaining ring used for limiting the steel wire rope.
Further, still including being used for braking spacing arrestment mechanism to the reel, arrestment mechanism is including solid fixed ring, brake caliper, defeated oil pipe, the connecting pipe, brake disc and pressure valve, the inside one side that is close to the transmission shaft of solid fixed cylinder is connected with solid fixed ring, gu even interval connection has a plurality of brake calipers on the fixed ring, the other end of back flow is connected with defeated oil pipe and intercommunication, all be connected with the connecting pipe and communicate between brake caliper and the defeated oil pipe, be connected with brake disc on the transmission shaft, brake disc rotates between a plurality of brake calipers, the one side of keeping away from the restriction valve on the back flow is connected with the pressure valve.
Furthermore, the planetary gear set comprises a rotating frame, an inner gear ring, planetary wheels and a sun wheel, one side, close to the fixing frame, of the interior of the winding drum is connected with the rotating frame, one side, close to the rotating frame, of the fixing frame is connected with the inner gear ring, the rotating frame is rotatably connected with a plurality of planetary wheels at even intervals, the planetary wheels are all meshed with the inner gear ring, the transmission shaft is connected with the sun wheel, and the planetary wheels are all meshed with the sun wheel.
Further, the oil conveying pipe is a hard pipeline.
Further, the diameter of the planet wheel of the planetary gear set is larger than that of the sun wheel.
Compared with the prior art, the invention has the following advantages:
1. when the rotating speed of the winding drum is increased, the rotating speed of the input shaft of the gear pump is increased, so that the speed of hydraulic oil entering the gear pump is increased, the pressure in the gear pump is gradually increased, resistance is formed on the rotation of the transmission shaft, the purpose of reducing the rotating speed of the winding drum is achieved, the winding drum is prevented from paying off quickly, and the safety is high.
2. When the pressure in the gear pump reaches a preset value, the pressure valve is opened, a certain amount of hydraulic oil enters the brake caliper, the piston of the brake caliper extends out to clamp the brake disc, and the brake disc cannot rotate, so that the transmission shaft can be braked, and a winding drum is prevented from paying off quickly.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic perspective view of the switching mechanism of the present invention.
Fig. 4 is a schematic perspective view of the reduction mechanism of the present invention.
Fig. 5 is a schematic perspective view of the components of the oil storage tank, the oil outlet pipe and the return pipe of the present invention.
Fig. 6 is a schematic perspective view of the braking mechanism of the present invention.
Number designation in the figures: 1. the brake device comprises a mounting base, 2, a fixed shaft, 3, a bearing, 4, a winding drum, 5, a retaining ring, 6, a driving gear, 7, a rotating disc, 8, a conversion mechanism, 81, a fixed frame, 82, a transmission shaft, 83, a rotating frame, 84, an inner gear ring, 85, a planet wheel, 86, a sun wheel, 9, a speed reducing mechanism, 91, a fixed drum, 92, a supporting frame, 93, a gear pump, 94, an oil storage tank, 95, an oil suction pipe, 96, an oil outlet pipe, 97, a flow limiting valve, 98, a return pipe, 10, a brake mechanism, 1001, a fixed ring, 1002, a brake caliper, 1003, an oil delivery pipe, 1004, a connecting pipe, 1005, a brake disc, 1006 and a pressure valve.
Detailed Description
The following further describes the technical solution with reference to specific embodiments, and it should be noted that: the words upper, lower, left, right, and the like used herein to indicate orientation are merely for the location of the illustrated structure in the corresponding figures. The serial numbers of the parts are themselves numbered herein, for example: first, second, etc. are used only to distinguish the described objects, and do not have any sequential or technical meaning. The application states that: the connection and coupling, unless otherwise indicated, include both direct and indirect connections (couplings).
Example 1
The utility model provides a can prevent hoist reel of quick unwrapping wire, refer to fig. 1-5, including mount pad 1, fixed axle 2, bearing 3, reel 4, keep off ring 5, drive gear 6, rotary disk 7, shifter 8 and reduction gears 9, mount pad 1 is provided with two, it distributes about being, all be connected with fixed axle 2 on the mount pad 1, all be connected with bearing 3 on fixed axle 2, left bearing 3 outer wall is connected with reel 4, keep off ring 5 all welded in the left and right sides of reel 4 outer wall, reel 4 can be around rolling up wire rope, keep off ring 5 can carry out spacingly to wire rope, the inside right side of reel 4 is connected with rotary disk 7, rotary disk 7 and the bearing 3 outer wall connection on right side, be connected with drive gear 6 on the rotary disk 7, be provided with shifter 8 on the fixed axle 2 on right side, the inside of reel 4 is provided with reduction gears 9.
Referring to fig. 2 and 3, the switching mechanism 8 includes a fixed frame 81, a transmission shaft 82 and a planetary gear set, the fixed frame 81 is welded at the left end of the right fixed shaft 2, the transmission shaft 82 is rotatably connected to the middle of the left side of the fixed frame 81, the transmission shaft 82 is located inside the winding drum 4, the planetary gear set is arranged between the transmission shaft 82 and the winding drum 4, and the planetary gear set is an accelerating planetary gear set.
Referring to fig. 3, the planetary gear set includes a rotating frame 83, an inner gear ring 84, planet wheels 85 and a sun wheel 86, the rotating frame 83 is welded on the right side inside the winding drum 4, the rotating frame 83 is located on the left side of the rotating disc 7, the inner gear ring 84 is connected to the left side of the fixed frame 81, three planet wheels 85 are rotatably connected to the rotating frame 83 at uniform intervals, the three planet wheels 85 are all meshed with the inner gear ring 84, the sun wheel 86 is connected to the right portion of the transmission shaft 82, the three planet wheels 85 are all meshed with the sun wheel 86, and the diameter of the planet wheels 85 of the planetary gear set is larger than that of the sun wheel 86.
Referring to fig. 2, 4 and 5, the decelerating mechanism 9 includes a fixed cylinder 91, a support frame 92, a gear pump 93, a storage tank 94, an oil suction pipe 95, an oil outlet pipe 96, a flow limiting valve 97 and a return pipe 98, the fixed cylinder 91 is connected to the right end of the left fixed shaft 2, the fixed cylinder 91 is rotatably connected to the transmission shaft 82, the support frame 92 is connected to the left side inside the fixed cylinder 91, the gear pump 93 is bolted to the upper portion of the support frame 92, an input shaft of the gear pump 93 is connected to the left end of the transmission shaft 82, when the rotation speed of the transmission shaft 82 is increased, the pressure in the gear pump 93 is increased, thereby reducing the rotation speed of the transmission shaft 82, the purpose of reducing the rotation speed of the winding drum 4 is achieved, the winding drum 4 is prevented from being rapidly unwound, the storage tank 94 is bolted to the lower portion of the support frame 92, the oil suction pipe 95 is connected and communicated between the left side of the storage tank 94 and the left side of the gear pump 93, the oil outlet pipe 96 is connected and communicated, the bottom of the oil outlet pipe 96 is connected and communicated, the left end of the return pipe 98 is communicated with the left side of the return pipe 98 is communicated with the storage tank 94, and the left side of the return pipe 97 is connected with the left portion of the return pipe 98, and the flow limiting valve 97 is connected with the left portion of the return pipe 98.
Initially, a certain amount of hydraulic oil is contained in the oil storage tank 94, when the device needs to be used, the device is firstly installed at a specified position on a crane through the mounting base 1, so that the driving gear 6 is connected with a driving device on the crane, then a steel wire rope on the crane is wound on the reel 4, the baffle ring 5 can limit the steel wire rope, when the crane discharges goods, the driving device on the crane can drive the driving gear 6 to rotate, so as to drive the rotating disc 7 and the reel 4 to rotate, the reel 4 can pay off the steel wire rope, meanwhile, the reel 4 drives the rotating frame 83 to rotate, the rotating frame 83 drives the planet wheel 85 to rotate under the action of the internal ring gear 84, the planet wheel 85 can autorotation to drive the sun wheel 86 and the transmission shaft 82 to autorotate, the transmission shaft 82 can drive an input shaft of the gear pump 93 to rotate, so that the gear pump 93 starts to work, the gear pump 93 can suck the hydraulic oil in the oil storage tank 94 through the oil suction pipe 95, meanwhile, the gear pump 93 can transmit the hydraulic oil through the oil outlet pipe 96 and the return pipe 98 to the oil storage tank 94, when the crane fails, when the crane starts to work, the cargo can rapidly fall down, thereby pulling the steel wire rope to rapidly move, the rotation speed of the rope 4 is increased, the pressure of the reel 93 can be increased, the speed of the drum can be increased, the drum 82 can be increased, the speed of the drum 93 can be increased, the drum 82, the speed of the drum can be increased, the drum 93, when the drum 93 is increased, the drum 4 is increased, the drum is reduced, the speed of the drum is reduced, the drum 93 is reduced, when the drum is reduced, the drum 93 is reduced, the speed of the drum 93 is reduced, at this moment, the speed of hydraulic oil entering gear pump 93 is reduced, and hydraulic oil in gear pump 93 can be transmitted to oil storage tank 94 through oil outlet pipe 96 and return pipe 98, and the pressure in gear pump 93 is reduced, so reciprocal, can be at the in-process of reel 4 unwrapping wire, prevent reel 4 from unwrapping wire fast.
Example 2
On the basis of embodiment 1, refer to fig. 2, fig. 4 and fig. 6, still including brake mechanism 10, brake mechanism 10 is including solid fixed ring 1001, brake caliper 1002, defeated oil pipe 1003, connecting pipe 1004, brake disc 1005 and pressure valve 1006, the inside right side welding of fixed cylinder 91 has solid fixed ring 1001, three brake caliper 1002 are installed to even interval on the solid fixed ring 1001, back flow 98 right-hand member is connected with defeated oil pipe 1003 and communicates, defeated oil pipe 1003 is the hard pipeline, all be connected with connecting pipe 1004 and communicate between brake caliper 1002 and the defeated oil pipe 1003, the middle part of transmission shaft 82 is connected with brake disc 1005, brake disc 1005 rotates between three brake caliper 1002, when the pressure in gear pump 93 reaches the default, brake disc 1005 will be stretched out to brake caliper 1002's piston to can brake transmission shaft 82, prevent reel 4 quick unwrapping wire, pressure valve 1006 is installed to the back flow 98 right-hand member, pressure valve 1006 is located defeated oil pipe left side.
When transmission shaft 82 is in the rotation, can drive brake disc 1005 and rotate, when the slew velocity of transmission shaft 82 accelerates, hydraulic oil in the gear pump 93 can be more and more, lead to the pressure grow in the gear pump 93, when the pressure in the gear pump 93 reaches the default, pressure valve 1006 can open, there is a certain amount of hydraulic oil to pass through the back flow 98 and get into defeated oil pipe 1003 this moment, then hydraulic oil can get into brake caliper 1002 through connecting pipe 1004, make brake caliper 1002's piston stretch out and clip brake disc 1005, brake disc 1005 is unable to rotate this moment, thereby can brake transmission shaft 82, prevent the quick unwrapping wire of reel 4, when the pressure in the gear pump 93 reduces, under atmospheric pressure's effect, hydraulic oil in the brake caliper 1002 can be through connecting pipe 1004, defeated oil pipe 1003 and the backward flow of hydraulic oil to in the oil storage tank 94.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. A crane drum capable of preventing quick paying-off comprises mounting seats (1), fixing shafts (2), bearing bearings (3), drums (4), driving gears (6) and a rotating disc (7), wherein the two mounting seats (1) are distributed in parallel, the fixing shafts (2) are connected to the mounting seats (1), the bearing bearings (3) are connected to the fixing shafts (2), the drums (4) used for winding steel wire ropes are connected to the outer walls of the bearing bearings (3) on one side, the rotating discs (7) are connected to the rotating discs (4), the rotating discs (7) are connected to the outer walls of the bearing bearings (3) on the other side, the driving gears (6) used for driving the drums (4) to rotate are connected to the rotating discs (7), the crane drum is characterized by further comprising a conversion mechanism (8) and a speed reduction mechanism (9), the fixing shafts (2) on one side are provided with the conversion mechanism (8), the speed reduction mechanism (9) is arranged inside the drums (4), the conversion mechanism (8) is used for converting the speed reduction of the speed of the drums (4) into the power for driving the drums (9) to work; the conversion mechanism (8) comprises a fixed frame (81), a transmission shaft (82) and a planetary gear set, one end, close to the winding drum (4), of the fixed shaft (2) on one side is connected with the fixed frame (81), the middle of the fixed frame (81) is rotatably connected with the transmission shaft (82), the transmission shaft (82) is located inside the winding drum (4), and the planetary gear set is arranged between the transmission shaft (82) and the winding drum (4); the speed reducing mechanism (9) comprises a fixed cylinder (91), a support frame (92), a gear pump (93), an oil storage tank (94), an oil suction pipe (95), an oil outlet pipe (96), a flow limiting valve (97) and a return pipe (98), one end, close to the winding drum (4), of the fixed shaft (2) far away from one side of the fixed frame (81) is connected with the fixed cylinder (91), the fixed cylinder (91) is rotatably connected with the transmission shaft (82), one side, far away from the transmission shaft (82), of the inside of the fixed cylinder (91) is connected with the support frame (92), the support frame (92) is connected with the gear pump (93) used for limiting the speed of the winding drum (4), an input shaft of the gear pump (93) is connected with one end, far away from the fixed frame (81), of the transmission shaft (82), of the support frame (92) is connected with the oil storage tank (94), one side, far away from the transmission shaft (82), of the oil storage tank (94) is connected with one side, far away from the transmission shaft (82), of the gear pump (93), the side, far away from the transmission shaft (82), is connected with the return pipe (95) and communicated with one side of the gear pump (93), one side, one end, far away from the oil suction pipe (98), the oil suction pipe (96) is communicated with the return pipe (98), one side of the oil suction pipe (95), and the oil storage tank (98), and the side of the oil suction pipe (94) are communicated with the return pipe (95), the return pipe (98) is connected with a flow limiting valve (97); the winding drum (4) is further provided with baffle rings (5), and the two sides of the outer wall of the winding drum (4), which are close to the two mounting seats (1), are respectively connected with the baffle rings (5) for limiting the steel wire rope; still including being used for braking spacing arrestment mechanism (10) to reel (4), arrestment mechanism (10) is including solid fixed ring (1001), brake caliper (1002), defeated oil pipe (1003), connecting pipe (1004), brake disc (1005) and pressure valve (1006), the inside one side that is close to transmission shaft (82) of solid fixed cylinder (91) is connected with solid fixed ring (1001), gu fixed ring (1001) go up even interval connection has a plurality of brake caliper (1002), the other end of back flow (98) is connected with defeated oil pipe (1003) and communicates, all be connected with connecting pipe (1004) and communicate between brake caliper (1002) and defeated oil pipe (1003), be connected with brake disc (1005) on transmission shaft (82), brake disc (1005) rotate between a plurality of brake caliper (1002), the one side of keeping away from restriction valve (97) on back flow (98) is connected with pressure valve (1006).
2. The crane reel capable of preventing the quick paying-off as claimed in claim 1, wherein the planetary gear set comprises a rotating frame (83), an inner gear ring (84), planet wheels (85) and a sun wheel (86), one side of the interior of the reel (4) close to the fixed frame (81) is connected with the rotating frame (83), one side of the fixed frame (81) close to the rotating frame (83) is connected with the inner gear ring (84), the rotating frame (83) is rotatably connected with a plurality of planet wheels (85) at uniform intervals, the planet wheels (85) are all meshed with the inner gear ring (84), the transmission shaft (82) is connected with the sun wheel (86), and the planet wheels (85) are all meshed with the sun wheel (86).
3. The hoist drum capable of preventing rapid payoff as claimed in claim 1, wherein the oil pipe (1003) is a hard pipe.
4. A hoist drum preventing rapid payoff as claimed in claim 2, characterized in that the planet wheels (85) of the planetary gear set have a larger diameter than the sun wheel (86).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941771.5A CN115010031B (en) | 2022-08-08 | 2022-08-08 | Can prevent hoist reel of quick unwrapping wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941771.5A CN115010031B (en) | 2022-08-08 | 2022-08-08 | Can prevent hoist reel of quick unwrapping wire |
Publications (2)
| Publication Number | Publication Date |
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| CN115010031A CN115010031A (en) | 2022-09-06 |
| CN115010031B true CN115010031B (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210941771.5A Active CN115010031B (en) | 2022-08-08 | 2022-08-08 | Can prevent hoist reel of quick unwrapping wire |
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| CN (1) | CN115010031B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258984A (en) * | 2022-09-19 | 2022-11-01 | 杭州未名信科科技有限公司 | A gyration power module assembly and intelligent tower crane for intelligent tower crane |
| CN115258991B (en) * | 2022-09-19 | 2023-01-17 | 杭州未名信科科技有限公司 | A hoist power module assembly and intelligent tower crane for intelligent tower crane |
| CN115215237B (en) * | 2022-09-19 | 2023-03-07 | 浙江省北大信息技术高等研究院 | Tower crane intelligent trolley for changing amplitude and intelligent tower crane |
| CN115215242B (en) * | 2022-09-19 | 2023-04-18 | 杭州未名信科科技有限公司 | Winch gradient brake power system of intelligent tower crane and intelligent tower crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CH323702A (en) * | 1955-10-15 | 1957-08-15 | Scheuchzer Fils Auguste | Winch |
| US3288538A (en) * | 1964-07-16 | 1966-11-29 | Marcellus Roland De | Power assisted braking system |
| GB1251536A (en) * | 1967-12-28 | 1971-10-27 | ||
| IT1005503B (en) * | 1972-09-29 | 1976-09-30 | Reden C | IMPROVEMENT OF CABLE REELS USED ESPECIALLY IN THE ROPES OF SKIWAYS WITH IMMERSION BRAKING |
| GB1445480A (en) * | 1974-12-24 | 1976-08-11 | Ex Proizv Razrabotke I Izgotov | Arrangement for protecting men working above ground against falling to the ground |
| US5860635A (en) * | 1995-12-21 | 1999-01-19 | Seascape Systems Limited | Winch having hydraulic speed control and planetary gear system |
| WO2006024101A1 (en) * | 2004-09-01 | 2006-03-09 | Fallsafe Technology Pty Ltd | Flow rate controller for a closed fluid circulating system |
| JP2006266443A (en) * | 2005-03-25 | 2006-10-05 | Masaaki Shirakawa | Braking device of rotation body |
| CN102281923B (en) * | 2008-09-19 | 2013-07-10 | 安全降落技术有限公司 | Fall protection system |
| CN201534763U (en) * | 2009-08-25 | 2010-07-28 | 青岛海力达齿轮箱有限公司 | Lifting mechanism of crane truck |
| CN202164067U (en) * | 2011-07-20 | 2012-03-14 | 徐州科源液压有限公司 | Hoisting speed reducer |
| CN202208914U (en) * | 2011-08-26 | 2012-05-02 | 青岛海力达齿轮箱有限公司 | Double-brake empty hook quick laying type lifting mechanism |
| CN103129541A (en) * | 2013-03-15 | 2013-06-05 | 陈惠贤 | Hydraulic oil pump no-abrasion braking system |
| JP2016005972A (en) * | 2014-06-20 | 2016-01-14 | 株式会社タダノ | Hoist with mechanical brake |
| CN108341363B (en) * | 2018-02-23 | 2019-09-13 | 无锡北大建筑工程有限公司 | A kind of dual-purpose anti-fast pendant nacelle device of construction |
| US20200208724A1 (en) * | 2018-06-06 | 2020-07-02 | John Siwko | Automatic Torque Transmission with Gear Pump Brake |
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2022
- 2022-08-08 CN CN202210941771.5A patent/CN115010031B/en active Active
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| CN115010031A (en) | 2022-09-06 |
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