CN109279531B - Double-drive hoisting device switching mechanism - Google Patents
Double-drive hoisting device switching mechanism Download PDFInfo
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- CN109279531B CN109279531B CN201710594999.0A CN201710594999A CN109279531B CN 109279531 B CN109279531 B CN 109279531B CN 201710594999 A CN201710594999 A CN 201710594999A CN 109279531 B CN109279531 B CN 109279531B
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- limit sleeve
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- 230000007246 mechanism Effects 0.000 title claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000004804 winding Methods 0.000 claims abstract description 26
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 230000003137 locomotive effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- B66D1/14—Power transmissions between power sources and drums or barrels
- B66D1/16—Power transmissions between power sources and drums or barrels the drums or barrels being freely rotatable, e.g. having a clutch activated independently of a brake
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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
- B66D1/04—Driving gear manually operated
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0116—Manually or spring operated winches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0125—Motor operated winches
- B66D2700/0141—Electrically actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a double-drive lifting device switching mechanism, and aims to provide a manual/electric lifting device switching mechanism which is high in safety, convenient to operate and use, efficient, labor-saving, compact in structure and small in size. The invention is realized by the following technical scheme: the fixed clutch is connected with a double-output-shaft motor through a speed increasing gear set, and an output shaft of the double-output-shaft motor is connected with a bevel gear conversion box through a coupler; the travel switch arranged on the movable clutch detects the working position of the movable clutch, when the movable clutch moves and is combined with the fixed clutch, the travel switch contacts with the movable clutch and feeds back a signal to the controller, and the controller controls the bevel gear steering box and the worm reducer to change the direction of the transmission shaft by 90 degrees twice; when the clutch is closed, manual driving torque is transmitted to the input end of the motor with the double output shafts through the speed increasing gear set, the bevel gear steering box drives the speed reducer through the built-in bevel gear, and the torque is transmitted to the steel wire rope winding drum to realize winding and unwinding of the steel wire rope.
Description
Technical Field
The invention relates to a lifting device switching mechanism of an aircraft ground maintenance service work vehicle, in particular to a lifting device switching mechanism with manual driving and electric driving double-control interlocking functions.
Background
The aircraft ground maintenance operation needs to hoist finished parts such as an aircraft seat, a canopy and the like, and when the finished parts of the aircraft are detached from corresponding joint parts of the aircraft or the joint surfaces of the parts are assembled and installed, the finished parts and the joint parts of the aircraft can be ensured to be safely detached or installed and matched in place by adopting manual hoisting operation, so that operators have better controllability and safety for detaching and assembling the finished parts of the aircraft; when the finished product part is separated from the aircraft connection mounting surface or is hung from the finished product placing position to the position close to the aircraft mounting position, the electric hanging can be adopted to quickly lift and shift the part to the designated position, so that the purposes of high efficiency and labor saving are achieved. At present, a crane used for the ground maintenance operation of an airplane adopts a full-manual hoisting mechanism crane to carry out hoisting operation, the whole hoisting process is low in efficiency and labor-consuming in manual operation; therefore, the lifting mechanism of the locomotive work vehicle, which has the manual lifting mechanism to meet the requirements of short-distance disassembly and assembly of the components and the electric lifting mechanism to meet the requirements of rapid lifting and moving of the components, can greatly improve the working efficiency and achieves the effects of safety, reliability, time saving and labor saving.
The existing wire rope winding mechanism is of two types, namely an electric winding machine and a manual winding mechanism, the electric winding machine is usually arranged at one end of a wire rope to realize the functions of manual operation and electric hoisting, and the manual winding mechanism is arranged at the other end of the wire rope to realize the operations of electric hoisting and manual hoisting. One of the disadvantages of this technique is the large installation space; secondly, when most of the steel wire ropes are electrically retracted to the electric winch, the number of turns of the steel wire ropes wound on the manual winch is insufficient, manual operation cannot be performed, the electric winch and the manual winch are operated simultaneously to redistribute the winding amount of the steel wire ropes, the manual winch is ensured to have enough turns of the steel wire ropes, manual operation can be performed, operation is complex, and full manual operation cannot be achieved under the condition of no electricity.
Disclosure of Invention
In order to solve the problems of laborious operation, low efficiency and the like of the existing aircraft maintenance hoisting operation, the invention provides a double-drive hoisting device conversion mechanism which has the advantages of high safety, convenient operation and use, high efficiency, labor saving, compact structure and small volume, realizes the conversion of two driving modes of manual hoisting and electric hoisting of a locomotive working vehicle, and realizes the manual/electric double-control interlocking hoisting function by only adopting one set of hoisting mechanism; has the characteristics of high safety, convenient operation and use, high efficiency, labor saving, compact structure, small volume and the like.
The technical scheme adopted for solving the technical problems is as follows: a dual drive hoist switching mechanism comprising: the manual transmission device is characterized in that a clutch device is arranged at the output end of a transmission shaft 2 of the manual operation mechanism, a switching handle sleeve 3 pulls the transmission shaft 2 through a limit sleeve 7, so that a movable clutch 9 is combined with a fixed clutch 10 to realize connection or disconnection of manual driving, the fixed clutch 10 is connected with a double-output-shaft motor 12 through a speed increasing gear set 11, and the output shaft of the double-output-shaft motor 12 is connected with a bevel gear switching box 13 through a coupler 16; the travel switch 20 arranged on the movable clutch 9 detects the working position of the movable clutch 9, when the movable clutch 9 moves to be combined with the fixed clutch 10, the travel switch 20 contacts with the movable clutch 9 and feeds back a signal to the controller, and the controller controls the bevel gear steering box 13 and the worm reducer 14 to change the direction of the transmission shaft 2 by 90 degrees twice, so that the axis of the wire rope drum 15 is parallel to the axis of the double-output shaft motor 12 and is positioned above the double-output shaft motor 12; when the clutch is closed, manual driving torque is transmitted to the input end of the double-output-shaft motor 12 through the speed increasing gear set, the output end of the double-output-shaft motor 12 is connected with the bevel gear steering box 13 through the coupler, and the bevel gear steering box 13 drives the speed reducer 14 through the built-in bevel gear to transmit the torque to the steel wire rope winding drum 15 so as to realize winding and unwinding of the steel wire rope.
Compared with the prior art, the invention has the following beneficial effects:
high efficiency, labor saving and convenient operation. The invention adopts the manual driving and electric driving conversion mechanism, realizes the integration of the manual hoisting function and the electric hoisting function on one machine work vehicle, has the advantages that the manual hoisting mechanism meets the requirements of short-distance disassembly and assembly work of components, and the electric hoisting mechanism meets the requirements of rapid lifting and moving work of the components, thereby greatly improving the working efficiency and achieving the effects of safety, reliability, time saving and labor saving; the conversion between manual driving and electric driving can be realized by only pulling the conversion handle sleeve and rotating by 90 degrees, the operation is convenient, and the defects of low efficiency and labor and effort of the existing manual crane are overcome.
Is safe and reliable. The invention is provided with a mechanical limiting device comprising a limiting sleeve and a locating pin, and the conversion mechanism is mechanically locked after being in place; meanwhile, a clutch working position detection travel switch is further arranged, when the clutch is combined, the system limits electric control operation and can only perform manual operation, when the clutch is in an open state, the electric operation is available, the manual operation fails, and manual and electric double-control interlocking is realized, so that the system is safe and reliable.
Compact structure and small occupied space. The invention combines the manual hoisting mechanism and the electric hoisting mechanism into a whole, only one set of steel wire rope hoisting system is used for realizing the manual driving and electric driving hoisting functions, and the invention can be operated by full manual operation under the condition of no electricity, thereby having strong applicability; the direction of the transmission shaft is changed by adopting bevel gear transmission, the mounting seat is combined with the body of the machine work vehicle, and the whole mechanism has compact structure and small occupied space.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is an isometric view of a dual drive hoist switching mechanism of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a cross-sectional view of the clutch-closed manually operated mechanism of fig. 1.
Fig. 5 is a partial enlarged view of fig. 4.
Fig. 6 is an isometric view of the limit sleeve 7 of fig. 1.
Fig. 7 is a cross-sectional view of the manually operated mechanism of fig. 1 in an open state of the clutch device.
In the figure: 1 a hand crank, 2 a transmission shaft, 3 a conversion handle sleeve, 4 a locking sleeve, 5 a mounting seat, 6 a positioning pin, 7 a limiting sleeve, 8 an axial compression spring, 9 a movable clutch, 10 a fixed clutch, 11 a speed increasing gear set, 12 a double output shaft motor, the device comprises a 13 bevel gear steering box, a 14 worm reducer, a 15 steel wire rope reel, a 16 coupler, a 17 double-output-shaft motor mounting seat, a 18 gear mounting seat, a 19 check ring, a 20 travel switch, a 21 set screw and a 22L-shaped limit groove.
Detailed Description
See fig. 1, 2 and 3. In the embodiments described below, a dual drive hoist switching mechanism includes: the manual operation mechanism is provided with a limit mechanism and a clutch device, a speed increasing gear set, a double-output-shaft motor with a manual driving torque transmission function and an electric driving function, a bevel gear steering box for changing the direction of a transmission shaft, a worm speed reducer, a wire rope reel, a travel switch for identifying the state and a mounting seat, and is characterized in that the clutch device is arranged at the output end of the transmission shaft 2 of the manual operation mechanism, a conversion handle sleeve 3 pulls the transmission shaft 2 through a limit sleeve 7, so that the movable clutch 9 is combined with/separated from a fixed clutch 10 to realize the connection or disconnection of manual driving, the fixed clutch 10 is connected with the double-output-shaft motor 12 through the speed increasing gear set 11, and the output shaft of the double-output-shaft motor 12 is connected with the bevel gear conversion box 13 through a coupler 16; the travel switch 20 arranged on the movable clutch 9 detects the working position of the movable clutch 9, when the movable clutch 9 moves to be combined with the fixed clutch 10, the travel switch 20 contacts with the movable clutch 9 and feeds back a signal to the controller, and the controller controls the bevel gear steering box 13 and the worm reducer 14 to change the direction of the transmission shaft 2 by 90 degrees twice, so that the axis of the wire rope drum 15 is parallel to the axis of the double-output shaft motor 12 and is positioned above the double-output shaft motor 12; when the clutch is closed, manual driving torque is transmitted to the input end of the double-output-shaft motor 12 through the speed increasing gear set, the output end of the double-output-shaft motor 12 is connected with the bevel gear steering box 13 through the coupler, and the bevel gear steering box 13 drives the speed reducer 14 through the built-in bevel gear to transmit the torque to the steel wire rope winding drum 15 so as to realize winding and unwinding of the steel wire rope.
The output end of the transmission shaft 2 of the manual operating mechanism is provided with a clutch device, the transmission shaft 2 is driven by pulling the switching handle sleeve 3 through the limit sleeve 7, the movable clutch 9 is combined with/separated from the fixed clutch 10 to realize the connection or disconnection of manual driving, the limit sleeve 7 drives the limit sleeve 7 to axially move by the axial force generated by the axial compression spring 8 positioned at the front end of the limit sleeve 7, the positioning pin 6 positioned on the barrel of the limit sleeve 7 is led into the axial locking groove of the limit sleeve 7, and the two positions of the clutch for opening and closing are mechanically locked; the output end of the fixed clutch 10 is connected with a speed increasing gear set 11 through a connecting shaft, the speed increasing gear set is connected with a double-output-shaft motor 12, when the clutch is closed, manual driving torque is transmitted to the input end of the output-shaft motor 12 through the speed increasing gear set, the output end of the output-shaft motor 12 is connected with a bevel gear steering box 13 through a coupler, the bevel gear steering box 13 drives a speed reducer 14 through a built-in bevel gear, and the torque is transmitted to a steel wire rope winding drum 15 to realize winding and unwinding of the steel wire rope.
When the clutch is closed, the manual driving torque is transmitted to the input end of the output shaft motor 12 through the speed increasing gear set, and the output shaft motor 12 only plays a role in transmitting the torque; the output end of the output shaft motor 12 transmits torque to the steel wire rope winding drum 15 through the bevel gear steering box 13 and the speed reducer 14, and drives the steel wire rope winding drum to rotate, so that the steel wire rope is wound and unwound on the winding drum, and the manual winding and unwinding of the steel wire rope are realized.
The travel switch 20 provided on the movable clutch 9 detects the operation position of the movable clutch 9, and when the movable clutch 9 moves to be engaged with the fixed clutch 10, the travel switch 20 contacts the movable clutch and feeds back a signal to the controller. The controller controls the system to disable the electric operation at this time. The manual torque is transmitted to the input end of a double-acting output shaft motor 12 through a transmission shaft 2, a clutch device and a speed increasing gear set 11, the torque transmitted by the output shaft motor 12 is transmitted to a steel wire rope reel 15 through a bevel gear steering box 13 and a worm speed reducer 14, and the steel wire rope reel is driven to rotate, so that manual driving is realized.
When the movable clutch 9 is separated from the fixed clutch 10, the manual function of the manual operation mechanism and the electric mechanism is separated, the movable clutch 9 is invalid, the travel switch 20 is separated from the control system controller, the electric control is allowed, the electric button is operated to enable the output shaft motor 12 to work, the output shaft motor 12 outputs torque to the wire rope winding drum 15 through the bevel gear steering box 13 and the worm reducer 14, the torque is transmitted to drive the wire rope winding drum to rotate, and the electric lifting of the wire rope is realized.
The output shaft of the output shaft motor 12 is connected with the bevel gear conversion box 13 through the coupler 16, and the bevel gear steering box 13 and the worm reducer 14 change the direction of the transmission shaft 2 twice by 90 degrees, so that the axis of the wire rope drum 15 is parallel to the axis of the output shaft motor 12 and is positioned above the driving output shaft motor 12, and the installation space of the whole mechanism is greatly reduced. The manual operating mechanism, the output shaft motor 12 and the speed increasing gear set are respectively fixed with the locomotive working locomotive body through the mounting seat 5, the output shaft motor mounting seat 17 and the gear mounting seat 18.
In fig. 4 and 5, the limit sleeve 7 is provided with an assembly hole in clearance fit with the transmission shaft 2, the inner surface of the limit sleeve 7 is in threaded connection with the locking sleeve 4, the transmission shaft 2 is tightly attached to the locking sleeve 4 through two semicircular check rings 19 assembled, and the limit sleeve 7 screwed with the conversion handle sleeve 3 can move axially under the limitation of the semicircular check rings 19 and can also rotate freely in the limit sleeve 7; the transmission shaft 2 is provided with an annular groove for assembling two semicircular check rings 19, and a gap of 0.2mm is reserved between the annular groove and the semicircular check rings 19. The end face of the locking sleeve 4 is attached to and tightly pressed against the semicircular retainer ring 19, the switching handle sleeve 3 is in threaded connection with the outer surface of the limit sleeve 7, a set screw 21 is arranged on the switching handle sleeve to prevent relative rotation with the limit sleeve 7, the limit sleeve 7 can axially move and rotate in the inner hole of the mounting seat 5, the mounting seat 5 is provided with a positioning pin 6, and the external thread of the positioning pin 6 is screwed into the threaded hole of the mounting seat to enable the cylindrical positioning surface to enter the axial groove of the limit sleeve 7; the axial compression spring 8 is arranged on the cylindrical surface of the outer circle of the limit sleeve 7, the left end is compressed and acted on the end face of the fixed mounting seat 5, the right end always applies an outward axial force to the step face of the limit sleeve 7, when the limit sleeve 7 rotates to the axial locking groove positions at the two ends, the spring force of the axial compression spring 8 enables the limit sleeve 7 to axially move, and the limit sleeve 7 is limited and locked after the locating pin 6 enters the axial locking groove, so that the limit sleeve 7 can only axially move and rotate within a set range.
Pulling the conversion handle sleeve 3 makes the limit sleeve 7 receive axial force, the axial force is transmitted to the transmission shaft 2 through the check ring 19, and the transmission shaft 2 moves along with the axial movement of the limit sleeve 7, so as to drive the movable clutch 9 to move axially. The transmission shaft 2 is connected with the hand crank 1 and the movable clutch 9 by adopting a flat key to transmit torque, and when the movable clutch 9 and the fixed clutch 10 are in a closed state, the hand crank 1 is rotated, and the torque is transmitted to the rear end output shaft of the output shaft motor through the transmission shaft 2, the clutch and the speed increasing gear set.
In fig. 6 and 7, two L-shaped limiting grooves 22 which lock the closing and opening limit positions of the clutch in the same direction are formed in the cylindrical surface of the limiting sleeve 7 along the axial direction, when the L-shaped limiting grooves 22 serve as the limiting sleeve 7 to rotate to the clutch closing position, the limiting sleeve 7 pushes the limiting sleeve 7 to axially move along the stress direction under the axial acting force of the axial compression spring 8, the movable clutch 9 is driven to axially move, and the rectangular concave-convex grooves on the end surface of the movable clutch 9 enter the rectangular concave-convex grooves on the end surface of the fixed clutch 10, so that the clutch is closed. After the locating pin 6 enters the clutch closing position locking groove, mechanical limiting locking is carried out on the clutch closing working position of the limiting sleeve 7. Pulling the limit sleeve 7 to move backwards to enable the locating pin 6 to enter a radial transition groove, and at the moment, the movable clutch 9 moves backwards along with the limit sleeve 7 to be separated from the fixed clutch 10, and the clutch is in an open state; when the limit sleeve 7 is rotated to the position of the clutch opening axial locking groove, the locating surface of the locating pin 6 enters the clutch opening axial locking groove under the acting force of the axial compression spring 8, so that the axial movement and rotation of the limit sleeve 7 are limited and locking is performed; the clutch is opened, and the manual operating mechanism is separated from the output shaft motor, and only electric driving can be used at the moment.
In fig. 7, in the wire rope winding system according to the embodiment of the present invention, a speed reducer is disposed at the rear end of the output shaft motor 12 to reduce the rotation speed of the output shaft motor, so as to obtain an ideal electric lifting speed of the wire rope. The manual driving mechanism is positioned at the front end of the output shaft motor 12, shares a set of hoisting mechanism with the electric drive, and a set of speed increasing gear sets are arranged between the output end of the fixed clutch 10 and the input end of the double-acting output shaft motor 12, so that the ideal lifting speed of the manual driving steel wire rope is obtained through the setting of a transmission ratio.
Claims (5)
1. A dual drive hoist switching mechanism comprising: the automatic transmission device is characterized in that a clutch device is arranged at the output end of a transmission shaft (2) of the manual operation mechanism, a switching handle sleeve (3) pulls the transmission shaft (2) through a limit sleeve (7), so that a movable clutch (9) is combined with/separated from a fixed clutch (10) to realize the connection or disconnection of manual driving, the fixed clutch (10) is connected with a double-output-shaft motor (12) through a speed increasing gear set (11), and the output shaft of the double-output-shaft motor (12) is connected with a bevel gear steering box (13) through a coupling (16); the travel switch (20) arranged on the movable clutch (9) detects the working position of the movable clutch (9), when the movable clutch (9) moves to be combined with the fixed clutch (10), the travel switch (20) is contacted with the movable clutch (9) and feeds back signals to the controller, and the controller controls the bevel gear steering box (13) and the worm reducer (14) to change the direction of the transmission shaft (2) twice by 90 degrees, so that the axis of the steel wire rope winding drum (15) is parallel to the axis of the double-output shaft motor (12) and is positioned above the double-output shaft motor (12); when the clutch is closed, manual driving torque is transmitted to the input end of a double-output-shaft motor (12) through a speed increasing gear set, the output end of the double-output-shaft motor (12) is connected with a bevel gear steering box (13) through a coupler, the bevel gear steering box (13) drives a worm reducer (14) through a built-in bevel gear, and the torque is transmitted to a steel wire rope winding drum (15) to realize winding and unwinding of a steel wire rope;
the input end of the transmission shaft (2) is connected with the hand crank (1), the output end is connected with the movable clutch (9), and the relative axial movement of the transmission shaft (2) and the limit sleeve (7) is limited through the locking sleeve (4) and the two semicircular check rings (19);
the switching handle sleeve (3) is in threaded connection with the limit sleeve (7), and the switching handle sleeve (3) is pulled to drive the limit sleeve (7) and the transmission shaft (2) to axially move, so that the movable clutch (9) is driven to axially move to realize the combination and separation of the movable clutch (9) and the fixed clutch (10);
the switching handle sleeve (3) is rotated to drive the limit sleeve (7) to rotate, the locating pin (6) is limited in an axial locking groove on the cylindrical surface of the limit sleeve (7), and the clutch is opened and locked by combining two working positions in a limiting manner, so that the clutch of the manual operation mechanism is realized;
the limiting sleeve (7) drives the limiting sleeve (7) to axially move by the axial force generated by the axial compression spring (8) positioned at the front end of the limiting sleeve (7), and a positioning pin (6) positioned on the barrel of the limiting sleeve (7) is led into an axial locking groove of the limiting sleeve (7) to mechanically lock the opening and closing positions of the clutch;
two locking grooves in the same direction are formed in the cylindrical surface of the limit sleeve (7) along the axial direction and serve as limit grooves for closing and opening the clutch, when the limit sleeve (7) rotates to the clutch closing position, the limit sleeve (7) pushes the limit sleeve (7) to axially move along the stress direction under the axial acting force of the axial compression spring (8) to drive the movable clutch (9) to axially move, and the rectangular convex groove on the end face of the movable clutch (9) enters the rectangular concave-convex groove on the end face of the fixed clutch (10) to close the clutch; after the locating pin (6) enters the clutch closing position locking groove, mechanical limiting locking is carried out on the clutch closing working position of the limiting sleeve (7).
2. The dual drive hoist switching mechanism of claim 1, characterized in that: the manual torque is transmitted to the input end of a double-output-shaft motor (12) through a transmission shaft (2), a clutch device and a speed increasing gear set (11), the torque is transmitted to a steel wire rope winding drum (15) through a bevel gear steering box (13) and a worm speed reducer (14) by the double-output-shaft motor (12), and the steel wire rope winding drum is driven to rotate, so that manual driving is realized.
3. The dual drive hoist switching mechanism of claim 1, characterized in that: the limiting sleeve (7) drives the limiting sleeve (7) to axially move through the axial force generated by the axial compression spring (8) positioned at the front end of the limiting sleeve (7), and the locating pin (6) positioned on the barrel of the limiting sleeve (7) is led into the axial locking groove of the limiting sleeve (7) to mechanically lock the opening and closing positions of the clutch.
4. The dual drive hoist switching mechanism of claim 1, characterized in that: the inner surface of the limit sleeve (7) is in threaded connection with the locking sleeve (4), the transmission shaft (2) is tightly clung to the locking sleeve (4) through two semicircular check rings (19) which are assembled, and the transmission shaft is axially moved or freely rotated in the limit sleeve (7) along with the limit sleeve (7) which is in threaded connection with the conversion handle sleeve (3) under the limit of the semicircular check rings (19).
5. The dual drive hoist switching mechanism of claim 1, characterized in that: the axial compression spring (8) is arranged on the cylindrical surface of the outer circle of the limit sleeve (7), the left end is compressed and acted on the end face of the fixed mounting seat (5), the right end always applies an outward axial force to the step face of the limit sleeve (7), when the limit sleeve (7) rotates to the axial locking groove positions at the two ends, the spring force of the axial compression spring (8) enables the limit sleeve (7) to axially move, and the locating pin (6) carries out limit locking on the limit sleeve (7) after entering the axial locking groove, so that the limit sleeve (7) can only axially move and rotate in a set range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594999.0A CN109279531B (en) | 2017-07-20 | 2017-07-20 | Double-drive hoisting device switching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594999.0A CN109279531B (en) | 2017-07-20 | 2017-07-20 | Double-drive hoisting device switching mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109279531A CN109279531A (en) | 2019-01-29 |
| CN109279531B true CN109279531B (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710594999.0A Active CN109279531B (en) | 2017-07-20 | 2017-07-20 | Double-drive hoisting device switching mechanism |
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| CN110092313B (en) * | 2019-03-01 | 2020-11-10 | 武汉船用机械有限责任公司 | Capstan winch |
| DE102019005385B3 (en) * | 2019-07-31 | 2020-10-22 | Jost-Werke Deutschland Gmbh | Hand crank for a support winch |
| CN112551411B (en) * | 2020-12-11 | 2022-03-01 | 国网山东省电力公司潍坊供电公司 | Laborsaving and stable transformer substation's cable shaft drainage pump elevating gear |
| CN112648845A (en) * | 2020-12-25 | 2021-04-13 | 湖南金炉科技股份有限公司 | Kiln car of bell-jar furnace |
| CN112919352A (en) * | 2021-02-08 | 2021-06-08 | 中国科学院空天信息创新研究院 | Winding device for winding and unwinding bridle of aerostat |
| CN113582058A (en) * | 2021-07-30 | 2021-11-02 | 北京天恒凯锐起重机械有限公司 | Novel winch of flashlight integral type |
| CN114044456A (en) * | 2021-11-24 | 2022-02-15 | 重庆清平机械有限责任公司 | Winch with manual and self-locking functions |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB863651A (en) * | 1957-06-26 | 1961-03-22 | Daimler Benz Ag | Improvements relating to disengageable clutch arrangements |
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| CN206004489U (en) * | 2016-08-25 | 2017-03-08 | 王佳彧 | A kind of cooling type sample stator core stripping device |
| CN206970073U (en) * | 2017-07-20 | 2018-02-06 | 成都凯天电子股份有限公司 | Locomotive work car dual drive hoisting apparatus switching mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB863651A (en) * | 1957-06-26 | 1961-03-22 | Daimler Benz Ag | Improvements relating to disengageable clutch arrangements |
| GB1217862A (en) * | 1967-10-20 | 1970-12-31 | Heinrich Ebert | Power transmission mechanism |
| CN2202123Y (en) * | 1994-07-08 | 1995-06-28 | 吴新华 | Winding engine driven by hand or electric power |
| CN200995946Y (en) * | 2006-11-01 | 2007-12-26 | 成都航空仪表有限责任公司 | Double-adjusting converting mechanism for operating platform of locomotive |
| CN204589934U (en) * | 2014-12-05 | 2015-08-26 | 钟晓东 | Rolling open and close machine manual and electric double-purpose emergency set |
| CN204369483U (en) * | 2014-12-30 | 2015-06-03 | 中核武汉核电运行技术股份有限公司 | A kind ofly be applicable to the winding plant that spentnuclear fuel associated component switches gripping apparatus |
| CN105370598A (en) * | 2015-12-15 | 2016-03-02 | 中国船舶重工集团公司第七�三研究所 | Steam-electric double-drive shaft system structure of large axial flow fan of power station boiler |
| CN206004489U (en) * | 2016-08-25 | 2017-03-08 | 王佳彧 | A kind of cooling type sample stator core stripping device |
| CN206970073U (en) * | 2017-07-20 | 2018-02-06 | 成都凯天电子股份有限公司 | Locomotive work car dual drive hoisting apparatus switching mechanism |
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| CN109279531A (en) | 2019-01-29 |
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