CN111908357B - Efficient hoist reel transmission - Google Patents
Efficient hoist reel transmission Download PDFInfo
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- CN111908357B CN111908357B CN202010798180.8A CN202010798180A CN111908357B CN 111908357 B CN111908357 B CN 111908357B CN 202010798180 A CN202010798180 A CN 202010798180A CN 111908357 B CN111908357 B CN 111908357B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 37
- 238000009434 installation Methods 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004804 winding Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009916 joint effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001739 rebound effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
- B66D1/24—Power transmissions between power sources and drums or barrels for varying speed or reversing direction of rotation of drums or barrels, i.e. variable ratio or reversing gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/021—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gear Transmission (AREA)
Abstract
The invention relates to the field of power transmission of a hoisting device and discloses a high-efficiency transmission device for a winding wheel of a crane, which comprises a motor, wherein the lower end of the motor is fixedly connected with an output shaft, the lower end of the output shaft is fixedly connected with a first bevel gear, the left side of the first bevel gear is movably connected with a second bevel gear, a fixed rod is fixedly arranged in a rotating shaft of the second bevel gear, and a power gear shaft is fixedly arranged on the outer side of the symmetrical center of the rotating shaft. The first bevel gear of rotation drive motor lower extreme through the motor rotates, rotate simultaneously with the second bevel gear of first bevel gear meshing, the power tooth axle is worked in step, when handling article are lighter, under the unchangeable condition of motor rated revolution, the outside expansion of a plurality of power tooth axles under the effect of eccentricity, because expansion power tooth axle radius grow, rather than the driven gear who is connected through driving belt, on the inconvenient basis of power revolution, the rotation rate has been improved to the effect of high-efficient hoist has been reached.
Description
Technical Field
The invention belongs to the field of power transmission of a hoisting device, and particularly relates to a high-efficiency transmission device for a winding wheel of a crane.
Background
The hoisting machinery is a special hoisting device widely used in national economy, the extensive use of the crane greatly reduces the labor efficiency of workers while improving the production efficiency, and some large-scale hoisting devices provide possibility for the integral hoisting of some large-scale complete equipment, and in order to provide the hoisting efficiency, the hoisting power transmission mechanism can be optimized and adjusted.
Many of the speed changers used by the existing hoisting equipment are mechanical speed changers, the mechanical speed changers mainly use the speed reduction principle of gear transmission, the simple structure is that a plurality of groups of auxiliary gears with different transmission ratios are arranged in the speed changers, the gear shifting action of the crane is that different gear pairs in the speed changers work through an operating mechanism, if the speed is low, the gear pair with the large transmission ratio works, and the gear pair with the small transmission ratio works at the high speed, but the transmission structure is complex, the maintenance cost is high, the installation is complex, the automatic speed regulation can not be carried out according to hoisted objects in real time, and the manual interference is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-efficiency transmission device for a coil wheel of a crane, which has the effects of high hoisting efficiency, simple installation and automatic speed regulation according to the weight of hoisted goods, and solves the problems of low hoisting efficiency, complex installation and manual intervention and adjustment during operation of the traditional transmission device for the crane.
(II) technical scheme
In order to realize the purpose of independently cleaning the light-emitting unit and independently radiating the inside of the lamp box, the invention provides the following technical scheme: a high-efficiency transmission device for a crane reel comprises a motor, wherein the lower end of the motor is fixedly connected with an output shaft, the lower end of the output shaft is fixedly connected with a first bevel gear, the left side of the first bevel gear is movably connected with a second bevel gear, the left side of the second conical tooth is fixedly connected with a rotary rod, the left end of the rotary rod is fixedly connected with a rotary shaft, a fixed rod is fixedly arranged in the rotary shaft, the outer side of the symmetric center of the rotary shaft is fixedly provided with a power gear shaft which comprises a spring mechanism, a connecting rod, a movable block, a groove rail, a pin pipe, a hydraulic ejector rod, an installation block, a hydraulic rod external member and a connecting piece, the left end and the right end of the rotating shaft are movably provided with a telescopic rod fixed rod, the lower end of the telescopic rod fixed rod is movably connected with a telescopic rod moving rod, the lower extreme movable mounting that the telescopic link moved the pole has the installation axle, the outside cover of installation axle symmetry center is equipped with driven gear.
Preferably, a connecting rod is fixedly mounted inside the power gear shaft, the lower end of the connecting rod is movably mounted inside the sliding block through a pin pipe, the upper end of the connecting rod is movably mounted inside the mounting block through a connecting piece, and the outer side of the mounting block is fixedly mounted inside the power gear shaft.
Preferably, the lower side of the sliding block is movably arranged in a groove rail arranged in the mounting piece, the lower side of the mounting piece is fixedly arranged on the outer side surface of the rotating shaft, the connecting rod can be limited, and the displacement effect of the connecting rod can be achieved.
Preferably, the inside fixedly connected with hydraulic push rod of power tooth axle, the lower extreme swing joint of hydraulic push rod has the hydraulic stem external member, the outside at the hydraulic push rod is established to the hydraulic stem external member cover, the lower extreme fixed mounting of hydraulic stem external member is changeing a epaxial side surface, and hydraulic push rod installs fixedly on the one hand a plurality of power tooth axles, and on the other hand can be when the rotational speed is very fast, makes a plurality of power tooth axles outwards expand.
Preferably, a transmission belt is movably connected between the power gear shaft and the driven gear, the upper end of the transmission belt is sleeved on the outer side of the power gear shaft, the lower end of the transmission belt is sleeved on the outer side of the driven gear, and the transmission belt can transmit the power of the power gear shaft to the driven gear to finish the lifting operation.
Preferably, the telescopic link moves the pole and passes through bearing movable mounting with the installation axle, utilizes the bearing to move pole and installation axle movable mounting with the telescopic link as the transition piece, under the prerequisite of guaranteeing safe not falling off, also realizes its swing joint's effect.
(III) advantageous effects
Compared with the prior art, the invention provides a high-efficiency transmission device for a crane reel, which has the following beneficial effects:
1. this efficient hoist reel transmission, the first awl tooth that drives the motor lower extreme through the rotation of motor rotates, rotate in step with the second awl tooth of first awl tooth meshing simultaneously, power tooth axle is synchronous when the second awl tooth is rotatory works, when handling article are lighter, under the unchangeable condition of motor rated revolution, the outside expansion of a plurality of power tooth axles under the effect of eccentricity, because expansion power tooth axle radius grow, rather than the driven gear who is connected through driving belt, on the inconvenient basis of power revolution, the rotation rate has been improved, thereby the effect of hoist has been reached to the high efficiency.
2. The high-efficiency transmission device for the coil wheel of the crane generates resistance to the driven gear by the weight of a lifted object, the driven gear transmits the resistance to the power gear shaft through the transmission belt, when the resistance is increased, the relative rotation speed is also reduced, and when the rotation speed is reduced, the eccentricity received by the power tooth shaft is not so large, under the rebound effect of the spring mechanism, the connecting rod is driven to reset, meanwhile, the hydraulic ejector rod in the power gear shaft is compressed into the hydraulic rod sleeve, the radius of the power gear shaft after resetting is reduced, the size of the driven gear is unchanged, under the rated rotation speed of the motor, the small gear can drive the big gear to transmit power, the hoisting speed is reduced, the power transmission is increased, thereby reached and to have independently carried out the effect of adjusting according to the handling object to the security of handling in-process has also been guaranteed.
3. This efficient hoist reel transmission through utilizing many formula power tooth axles, replaces traditional hoisting apparatus power speed change mechanism, the multiunit pinion that inside set up to it is convenient to have reached the installation, maintains simple effect.
Drawings
FIG. 1 is a top view of the structure of the present invention;
FIG. 2 is a view of the power shaft of the present invention;
FIG. 3 is a schematic view of the connection between the slider and the connecting rod according to the present invention;
FIG. 4 is a right side view of the structure of the present invention;
FIG. 5 is a right side view of the power shaft of the present invention construction;
FIG. 6 is an enlarged view of the structure A in FIG. 5;
FIG. 7 is an enlarged view of the structure B in FIG. 1.
In the figure: 1. a motor; 2. an output shaft; 3. a first bevel gear; 4. a second taper tooth; 5. a spring mechanism; 6. the telescopic rod is fixed; 7. a movable rod is telescopic; 8. installing a shaft; 9. a driven gear; 10. a drive belt; 11. A connecting rod; 12. fixing the rod; 13. rotating the shaft; 14. a power gear shaft; 15. a bearing; 16. a movable block; 17. A groove rail; 18. a pin tube; 19. a hydraulic ejector rod; 20. a connecting member; 21. mounting blocks; 22. a hydraulic rod kit; 23. rotating the rod; 24. a mounting member; 25. a slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a high efficiency transmission device for a crane reel comprises a motor 1, the motor 1 can be a motor of YE2-Y315S-2-110KW, the lower end of the motor 1 is fixedly connected with an output shaft 2, the lower end of the output shaft 2 is fixedly connected with a first bevel gear 3, the left side of the first bevel gear 3 is movably connected with a second bevel gear 4, the left side of the second bevel gear 4 is fixedly connected with a rotating rod 23, the left end of the rotating rod 23 is fixedly connected with a rotating shaft 13, a fixed rod 12 is fixedly installed inside the rotating shaft 13, a power gear shaft 14 is fixedly installed outside the symmetric center of the rotating shaft 13, a connecting rod 11 is fixedly installed inside the power gear shaft 14, the lower end of the connecting rod 11 is movably installed inside a sliding block 25 through a pin tube 18, the upper end of the connecting rod 11 is movably installed inside a mounting block 21 through a connecting piece 20, the outer side of the mounting block 21 is fixedly installed inside the power gear shaft 14, the interior of the power gear shaft 14 is fixedly connected with a hydraulic ejector rod 19, the lower end of the hydraulic ejector rod 19 is movably connected with a hydraulic rod sleeve 22, the hydraulic rod sleeve 22 is sleeved on the outer side of the hydraulic ejector rod 19, the lower end of the hydraulic rod sleeve 22 is fixedly arranged on the outer side surface of the rotary shaft 13, the hydraulic ejector rod 19 is used for fixedly installing a plurality of power gear shafts 14 on one hand and enabling the plurality of power gear shafts 14 to expand outwards when the rotating speed is high on the other hand, each power gear shaft 14 comprises a spring mechanism 5, a connecting rod 11, a movable block 16, a groove rail 17, a pin pipe 18, the hydraulic ejector rod 19, an installation block 21, the hydraulic rod sleeve 22 and a connecting piece 20, a transmission belt 10 is movably connected between the power gear shaft 14 and the driven gear 9, the upper end of the transmission belt 10 is sleeved on the outer side of the power gear shaft 14, the lower end of the transmission belt 10 is sleeved on the outer side of the driven gear 9, the transmission belt 10 can transmit the power of the power gear shaft 14 to the driven gear 9, accomplish the handling operation, both ends movable mounting has the telescopic link to decide pole 6 about pivot 13, the lower extreme swing joint that pole 6 was decided to the telescopic link has the telescopic link to move pole 7, the telescopic link moves pole 7 and passes through bearing 15 movable mounting with installation axle 8, utilize bearing 15 to move pole 7 and installation axle 8 movable mounting with the telescopic link as the transition piece, under the prerequisite of guaranteeing not to drop safely, also realize its swing joint's effect, the telescopic link moves the lower extreme movable mounting that pole 7 has installation axle 8, the outside cover at installation axle 8 symmetric center is equipped with driven gear 9, slider 25 downside movable mounting is in the inside grooved rail 17 of seting up of installed part 24, 24 downside fixed mounting of installed part are at the outside surface of pivot 13, can carry on spacingly to connecting rod 11, also can accomplish the effect of its displacement simultaneously.
The working principle is as follows: firstly, an operator selects an adaptive power output motor 1 according to the lifting tonnage of the lifting device, then an output shaft 2 of the motor 1 is meshed with a second bevel gear 4 arranged at the right end of a power gear shaft 14 by utilizing a first bevel gear 3, the output power of the motor 1 is transmitted to the power gear shaft 14 through two meshed gears, the lower end of the power gear shaft 14 is connected with a driven gear 9 through a telescopic rod, a user can fix a winding wheel on the left side or the right side of the driven gear 9, when the motor 1 works, the power gear shaft 14 and the driven gear 9 can be driven to rotate, the winding wheel is further driven to rotate, when the motor 1 has rated output power, under the condition that hoisted goods are lighter, a hydraulic ejector rod 19 at the inner ring of the power gear shaft 14 can expand outwards under the action of high-speed rotation of the power gear shaft 14, and simultaneously, a connecting rod 11 for stabilizing at the left side and the right side can also contract towards the center, the lower end of the connecting rod 11 is movably arranged in a groove rail 17 arranged on a mounting part 24 on the surface of the rotary shaft 13 through a movable block 16, the connecting rod 11 can be limited and can be displaced, because the length of a transmission belt 10 connected with the power gear shaft 14 and the driven gear 9 is not changed, after the power gear shaft 14 is expanded, the telescopic rod moving rod 7 can be compressed and enters the telescopic rod fixed rod 6, the radius of the expanded power gear shaft 14 is larger than that of the original power gear shaft 14, under the condition that the rated rotating speed of the motor 1 is not changed, the driven gear 9 connected with the motor 1 through the transmission belt 10 can improve the rotating speed, the lifting efficiency is improved under the condition that the safety is ensured, if heavier goods are lifted, more sufficient power is needed, the speed cannot be too high, and when the goods are heavier, the resistance borne by the driven gear 9 can be increased, meanwhile, the acting force is also transmitted to the power gear shaft 14 through the transmission belt 10, the received resistance is enhanced, the relative rotating speed is also reduced, when the rotating speed is reduced, the eccentricity received by the power gear shaft 14 is too large, the connecting rod 11 is driven to reset under the rebound effect of the spring mechanism 5, meanwhile, the hydraulic ejector rod 19 inside the power gear shaft 14 is also compressed into the hydraulic rod sleeve 22, the telescopic rod 7 extends outwards at the same time, the stability of sleeving the transmission belt 10 between the two gears is guaranteed, the radius of the power gear shaft 14 after resetting is reduced, the driven gear 9 is unchanged in size, under the rated rotating speed of the motor 1, the large gear can be driven to transmit power through the small gear, the hoisting speed is relatively slow at the moment, but the power is sufficient, and the safety of the hoisting process is guaranteed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a high efficiency hoist reel transmission, includes motor (1), its characterized in that: the lower end of the motor (1) is fixedly connected with an output shaft (2), the lower end of the output shaft (2) is fixedly connected with a first bevel gear (3), the left side of the first bevel gear (3) is movably connected with a second bevel gear (4), the left side of the second bevel gear (4) is fixedly connected with a rotary rod (23), the left end of the rotary rod (23) is fixedly connected with a rotary shaft (13), a fixed rod (12) is fixedly arranged in the rotary shaft (13), a power gear shaft (14) is fixedly arranged on the outer side of the symmetry center of the rotary shaft (13), the power gear shaft (14) comprises a spring mechanism (5), a connecting rod (11), a movable block (16), a groove rail (17), a pin pipe (18), a hydraulic ejector rod (19), an installation block (21), a hydraulic rod external member (22) and a connecting member (20), and telescopic rod fixed rods (6) are movably arranged at the left end and the right end of the rotary shaft (13), the lower extreme swing joint of pole (6) is decided to the telescopic link has the telescopic link to move pole (7), the lower extreme movable mounting that the telescopic link moved pole (7) has installation axle (8), the outside cover at installation axle (8) symmetry center is equipped with driven gear (9), the inside fixed mounting of power tooth axle (14) has connecting rod (11), connecting rod (11) lower extreme is inside slider (25) through round pin pipe (18) movable mounting, the upper end of connecting rod (11) is through connecting piece (20) movable mounting in the inside of installation piece (21), the outside fixed mounting of installation piece (21) is in the inside of power tooth axle (14), slider (25) downside movable mounting is in grooved rail (17) of seting up in installation piece (24) inside, the outside surface of installation piece (24) downside fixed mounting in spiral axle (13), the inside fixed connection of power tooth axle (14) has hydraulic ram (19), the lower end of the hydraulic ejector rod (19) is movably connected with a hydraulic rod external member (22), the hydraulic rod external member (22) is sleeved on the outer side of the hydraulic ejector rod (19), and the lower end of the hydraulic rod external member (22) is fixedly installed on the surface of the outer side of the rotating shaft (13).
2. A high efficiency crane drum transmission as claimed in claim 1 wherein: swing joint has drive belt (10) between power tooth axle (14) and driven gear (9), the outside at power tooth axle (14) is established to the last pot head of drive belt (10), the outside at driven gear (9) is established to the lower pot head of drive belt (10).
3. A high efficiency crane drum transmission as claimed in claim 1 wherein: the telescopic rod moves the pole (7) and installs axle (8) through bearing (15) movable mounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798180.8A CN111908357B (en) | 2020-08-11 | 2020-08-11 | Efficient hoist reel transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798180.8A CN111908357B (en) | 2020-08-11 | 2020-08-11 | Efficient hoist reel transmission |
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| Publication Number | Publication Date |
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| CN111908357A CN111908357A (en) | 2020-11-10 |
| CN111908357B true CN111908357B (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010798180.8A Active CN111908357B (en) | 2020-08-11 | 2020-08-11 | Efficient hoist reel transmission |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977563A (en) * | 2020-09-03 | 2020-11-24 | 林利利 | Ship lifting device based on piston motion |
| CN113044743B (en) * | 2021-03-10 | 2022-06-17 | 内蒙古维维能源有限公司 | Winch and pedestrian safety power-off locking alarm method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN86103118A (en) * | 1986-04-24 | 1987-11-04 | 唐志明 | Mining winch dragging mode and variable speed winch thereof |
| WO2005115086A2 (en) * | 2004-05-27 | 2005-12-08 | Cvtron Ltd. | Continuously-variable non-slip transmissions |
| CN205064745U (en) * | 2015-09-10 | 2016-03-02 | 六安瑞普数控装备有限公司 | Tribit guiding valve formula hydro -cylinder automatic speed changing main drive system |
| CN108708832A (en) * | 2018-08-08 | 2018-10-26 | 尉立 | Wind-power electricity generation stepless speed-regulating device |
| CN210505345U (en) * | 2019-08-14 | 2020-05-12 | 徐州光圆国腾矿山设备制造有限公司 | Double-speed winch and axle structure thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US724449A (en) * | 1902-08-02 | 1903-04-07 | William Newton Dumaresq | Variable-speed gear. |
| CN2128983Y (en) * | 1992-06-13 | 1993-03-31 | 陕西机械学院 | Juxtaposition connecting rod type impulsive motion stepless speed variator |
| EP2894363B1 (en) * | 2013-12-17 | 2018-01-03 | Oerlikon Friction Systems (Germany) GmbH | Friction ring, synchronisation ring, synchronisation unit and a variable speed gearbox for a motor vehicle |
| CN103791055B (en) * | 2014-01-27 | 2016-01-20 | 沈阳建筑大学 | A kind of automative stepless speed-variation device |
| CN204312649U (en) * | 2014-09-04 | 2015-05-06 | 李宇锋 | A kind of electric motor car stepless speed changes devices |
| CN105035251B (en) * | 2015-08-31 | 2018-09-04 | 青岛科技大学 | Stepless speed change device and its application |
| CN205896077U (en) * | 2016-06-21 | 2017-01-18 | 高昱萱 | Monolithic buncher |
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2020
- 2020-08-11 CN CN202010798180.8A patent/CN111908357B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86103118A (en) * | 1986-04-24 | 1987-11-04 | 唐志明 | Mining winch dragging mode and variable speed winch thereof |
| WO2005115086A2 (en) * | 2004-05-27 | 2005-12-08 | Cvtron Ltd. | Continuously-variable non-slip transmissions |
| CN205064745U (en) * | 2015-09-10 | 2016-03-02 | 六安瑞普数控装备有限公司 | Tribit guiding valve formula hydro -cylinder automatic speed changing main drive system |
| CN108708832A (en) * | 2018-08-08 | 2018-10-26 | 尉立 | Wind-power electricity generation stepless speed-regulating device |
| CN210505345U (en) * | 2019-08-14 | 2020-05-12 | 徐州光圆国腾矿山设备制造有限公司 | Double-speed winch and axle structure thereof |
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| CN111908357A (en) | 2020-11-10 |
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Effective date of registration: 20211105 Address after: 064000 da'anlezhuang village, Fengrun Town, Fengrun District, Tangshan City, Hebei Province Applicant after: HEBEI XINGLONG LIFTING EQUIPMENT Co.,Ltd. Address before: 041000 No. 31 caishenlou North Street, Yaodu District, Linfen City, Shanxi Province Applicant before: Lin Lili |
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Denomination of invention: A high efficiency winding wheel transmission device for crane Effective date of registration: 20220427 Granted publication date: 20211123 Pledgee: Bank of Cangzhou Limited by Share Ltd. Fengrun branch Pledgor: HEBEI XINGLONG LIFTING EQUIPMENT Co.,Ltd. Registration number: Y2022980004856 |
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Date of cancellation: 20221116 Granted publication date: 20211123 Pledgee: Bank of Cangzhou Limited by Share Ltd. Fengrun branch Pledgor: HEBEI XINGLONG LIFTING EQUIPMENT Co.,Ltd. Registration number: Y2022980004856 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A High Efficiency Drum Driving Device for Crane Effective date of registration: 20221117 Granted publication date: 20211123 Pledgee: Bank of Cangzhou Limited by Share Ltd. Fengrun branch Pledgor: HEBEI XINGLONG LIFTING EQUIPMENT Co.,Ltd. Registration number: Y2022110000318 |