CN109292660B - Manual and electric dual-purpose electric hoist - Google Patents

Manual and electric dual-purpose electric hoist Download PDF

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Publication number
CN109292660B
CN109292660B CN201811572530.8A CN201811572530A CN109292660B CN 109292660 B CN109292660 B CN 109292660B CN 201811572530 A CN201811572530 A CN 201811572530A CN 109292660 B CN109292660 B CN 109292660B
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China
Prior art keywords
lifting
gear
sets
outer cover
ball bearing
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Expired - Fee Related
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CN201811572530.8A
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Chinese (zh)
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CN109292660A (en
Inventor
王宗永
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Individual
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Individual
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Publication of CN109292660A publication Critical patent/CN109292660A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/12Driving gear incorporating electric motors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/04Driving gear manually operated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/14Power transmissions between power sources and drums or barrels
    • B66D1/22Planetary or differential gearings, i.e. with planet gears having movable axes of rotation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28Other constructional details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54Safety gear

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)

Abstract

The invention relates to the technical field of hoisting accessories, in particular to a manual and electric dual-purpose electric hoist which can continuously finish the lifting of an object through manual operation when the electric hoist is suddenly stopped due to power failure or other reasons, so as to ensure the progress of operation; in the process of parking and starting, the outer cover can be effectively prevented from inclining due to inertia; including hanging beam, the dustcoat, play to rise the motor, a controller, the reel, the planet reducing gear box, wire rope, the lifting hook, a slide rail, running gear, the worm, first pivot, first bull stick, the second bull stick, the elevating screw, the gag lever post, the lifter plate, the mount, drive gear, first ball bearing, second ball bearing, third ball bearing, the stopper, fourth ball bearing, the connecting block, the square head, transmission shaft and second gear, running gear includes preceding extension board, back extension board, the bottom plate, the running motor, the front pulley, the back pulley, the rubber slab, the third gear, second pivot and fourth gear.

Description

Manual and electric dual-purpose electric hoist
Technical Field
The invention relates to the technical field of hoisting accessories, in particular to a manual and electric dual-purpose electric hoist.
Background
As is known, the electric hoist is a special hoisting device, is installed on a crown block and a gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is widely used in places such as industrial and mining enterprises, storage, wharfs and the like; the existing electric hoist comprises a hanging beam, an outer cover, a lifting motor and a controller, wherein a placing cavity is arranged inside the outer cover, a winding drum and a planetary reduction gearbox are arranged in the placing cavity, the output end of the planetary reduction gearbox is in transmission connection with the winding drum, an opening is formed in the bottom end of the outer cover, a steel wire rope is wound on the winding drum, the end part of the steel wire rope penetrates through the opening from the placing cavity to the lower part of the outer cover, a lifting hook is arranged at the end part of the steel wire rope, the lifting motor is installed at the right end of the outer cover, a first rotating shaft is arranged at the left output end of the lifting motor, the left end of the first rotating shaft extends into the placing cavity from the right end of the outer cover and is in transmission connection with the planetary reduction gearbox in the placing cavity, a sliding rail is arranged at the; when the existing electric hoist is used, the traveling mechanism travels to drive the outer cover to slide transversely, the hoisting motor drives the winding drum to rotate, the winding drum drives the lifting hook to move up and down through the steel wire rope, and the lifting hook lifts an object and then slides along the sliding rail through the traveling mechanism to finish the transportation of the object; the existing electric hoist is used for discovering that when the electric hoist is suddenly stopped due to power failure or other reasons, the electric hoist cannot continuously finish the lifting of the object, the progress of operation is influenced, and the use reliability is low; in addition, in the process of parking and starting, the outer cover is easy to shake due to inertia, so that the outer cover is inclined, certain potential safety hazards exist, and the practicability is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides a lifting device which can continuously finish the lifting of an object by manual operation when the vehicle is suddenly stopped due to power failure or other reasons, thereby ensuring the progress of operation and improving the use reliability; and in the process of parking and starting, the condition that the outer cover is inclined due to inertia can be effectively prevented, the potential safety hazard is reduced, and the practicability is improved.
The invention relates to a manual and electric dual-purpose electric hoist which comprises a hanging beam, an outer cover, a lifting motor and a controller, wherein a placing cavity is arranged inside the outer cover, a winding drum and a planetary reduction gearbox are arranged in the placing cavity, the output end of the planetary reduction gearbox is in transmission connection with the winding drum, the bottom end of the outer cover is provided with an opening, a steel wire rope is wound on the winding drum, the end part of the steel wire rope penetrates through the opening from the placing cavity to the lower part of the outer cover, a lifting hook is arranged at the end part of the steel wire rope, the lifting motor is arranged at the right end of the outer cover, the bottom end of the hanging beam is provided with a sliding rail, the top end of; the device is characterized by further comprising a worm, a first rotating shaft, a first rotating rod, a second rotating rod, a lifting screw, two groups of limiting rods, a lifting plate, a fixing frame and a transmission gear, wherein the right end of the planetary reduction gearbox is in transmission connection with a first gear, a first placing groove is formed in the right front end of the top wall in the placing cavity, a first ball bearing is arranged in the first placing groove, a first installing through hole is formed in the right front end of the bottom wall of the outer cover, the first installing through hole is located right below the first placing groove, a second ball bearing is fixedly installed in the first installing through hole, the top end of the worm is inserted into the first ball bearing, the bottom end of the worm penetrates through the second ball bearing from the placing cavity and extends out to the lower portion of the outer cover, a second placing groove is formed in the right side of the bottom end of the outer cover, a third ball bearing is fixedly installed in the second placing groove, a threaded hole which is communicated up and down, the top end of the lifting screw penetrates through the threaded hole to the upper part of the lifting plate from the bottom end of the lifting plate and is inserted into the third ball bearing, the front end and the rear end of the lifting plate are respectively provided with a limiting hole which is communicated up and down, the top ends of the two groups of limiting rods respectively penetrate through the two groups of limiting holes from the bottom end of the lifting plate and are respectively connected with the front side and the rear side of the bottom end of the outer cover, the bottom ends of the two groups of limiting rods are respectively provided with a limiting block, the top end of the first rotating rod is connected with the bottom end of the lifting screw, the front half area of the lifting plate is provided with a second mounting through hole which is communicated up and down, a fourth ball bearing is fixedly mounted in the second mounting through hole, the top end of the first rotating shaft penetrates through the fourth ball bearing to the upper part of the lifting plate from the bottom end of the lifting plate, the top end of the first rotating shaft is provided with a connecting block, the, the square head is positioned right above the square groove, the top end of the second rotating rod is connected with the bottom end shaft of the first rotating shaft, a through hole is formed in the right rear side of the bottom end of the outer cover, the bottom end of the fixing frame is connected with the rear half area of the top end of the lifting plate, the top end of the fixing frame penetrates through the through hole from the bottom end of the outer cover and extends into the placing cavity, the transmission gear is installed at the top end of the fixing frame, a transmission shaft is arranged at the left output end of the lifting motor, the left end of the transmission shaft extends into the placing cavity from the right end of the outer cover, a second gear is arranged at the left end of the transmission shaft, and the first gear and the; the travelling mechanism comprises a front support plate, a rear support plate, a bottom plate, a travelling motor, two groups of front pulleys, two groups of rear pulleys and two groups of rubber plates, wherein the bottom ends of the front support plate and the rear support plate are respectively connected with the front side and the rear side of the top end of the bottom plate, the two groups of front pulleys are respectively rotatably arranged on the left side and the right side of the rear end of the front support plate, third gears are respectively arranged on the front parts of the two groups of front pulleys, the travelling motor is arranged in the middle of the front end of the front support plate, a second rotating shaft is arranged at the rear side output end of the travelling motor, the rear end of the second rotating shaft penetrates through the front support plate from the front end of the front support plate to the rear side of the front support plate, a fourth gear is arranged at the rear end of the second rotating shaft, the two groups of third gears are respectively engaged with the fourth gears, the two groups of rear pulleys are respectively rotatably arranged on the left side and, the two groups of rubber plates are respectively arranged on the left side and the right side of the top end of the bottom plate, and the top ends of the two groups of rubber plates are in contact with the bottom ends of the sliding rails.
The manual and electric dual-purpose electric hoist also comprises a hoisting chain, a hoisting roller and a third rotating shaft, wherein a third mounting through hole is formed in the middle of the rear supporting plate, a fifth ball bearing is fixedly mounted in the third mounting through hole, the front end of the third rotating shaft penetrates through the fifth ball bearing from the rear end of the rear supporting plate to the front end of the rear supporting plate, a fifth gear is arranged at the front end of the third rotating shaft, sixth gears are arranged at the rear ends of the outer sides of the two groups of rear pulleys, the two groups of sixth gears are meshed with the fifth gear, the rear end of the third rotating shaft is fixedly connected with the middle part of the front end of the hoisting roller, chain teeth are arranged on the hoisting roller, and the hoisting chain is sleeved on the chain teeth of the hoisting roller.
According to the manual and electric dual-purpose electric hoist, the section of the sliding rail is of an I-shaped structure.
The manual and electric dual-purpose electric hoist also comprises a plurality of groups of front supporting wheels and a plurality of groups of rear supporting wheels, wherein the plurality of groups of front supporting wheels are uniformly arranged at the rear end of the front supporting plate at equal intervals, the rear ends of the plurality of groups of front supporting wheels are all attached to the front end of the slide rail, the plurality of groups of rear supporting wheels are uniformly arranged at the front end of the rear supporting plate at equal intervals, and the front ends of the plurality of groups of rear supporting wheels are all attached to the rear end of the slide rail.
The manual and electric dual-purpose electric hoist further comprises two groups of blocking columns, the front ends of the two groups of blocking columns are respectively connected with the front side and the rear side of the top of the rear end of the rear supporting plate, the two groups of blocking columns are respectively positioned above the left side and the right side of the lifting roller, and the linear distance between the two groups of blocking columns and the lifting roller is smaller than the width of the lifting chain.
According to the manual and electric dual-purpose electric hoist, the hoisting chain is of an end-to-end structure.
According to the manual and electric dual-purpose electric hoist, when the square head is inserted into the square groove, the transmission gear is separated from the first gear and the second gear.
According to the manual and electric dual-purpose electric hoist, the top ends of the two groups of limiting blocks are respectively attached to the front side and the rear side of the bottom end of the lifting plate.
Compared with the prior art, the invention has the beneficial effects that: when sudden parking caused by power failure or other reasons occurs, the lifting screw rod can be driven to rotate by rotating the first rotating rod, the lifting plate is driven to move upwards by the lifting screw rod, the lifting plate is stabilized by two groups of limiting rods until the transmission gear is separated from the first gear and the second gear, the square head is inserted into the square groove at the moment, if the square head is not aligned with the square groove, the first rotating shaft can be rotated by rotating the second rotating rod for a certain angle until the square head is aligned with the square groove up and down and the square head is inserted into the square groove, then the first rotating shaft is driven to rotate by rotating the second rotating rod, the first rotating shaft drives the worm to rotate, the first gear is driven to rotate by the worm, the first gear drives the winding drum to rotate by the planetary reduction gearbox, the lifting of an object is completed, the progress of operation is ensured, and the use reliability is improved; the fourth gear is driven to rotate through the walking motor, the fourth gear drives the two sets of third gears and the two sets of front pulleys to rotate, the two sets of front pulleys roll on the slide rail, the transverse movement of the outer cover is achieved, the two sets of rubber plates on the top end of the bottom plate can be used for supporting and correcting the inclined outer cover and the walking mechanism, the condition that the outer cover is inclined due to inertia can be effectively prevented, potential safety hazards are reduced, and practicability is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the right side view of the connection of the housing and the lifter plate of the present invention;
FIG. 3 is a left side view of the slide rail and the traveling mechanism of the present invention;
FIG. 4 is a schematic top view of the traveling mechanism of the present invention;
in the drawings, the reference numbers: 1. a hanging beam; 2. a housing; 3. a hoisting motor; 4. a controller; 5. a reel; 6. a planetary reduction gearbox; 7. a wire rope; 8. a hook; 9. a slide rail; 10. a worm; 11. a first rotating shaft; 12. a first rotating lever; 13. a second rotating rod; 14. lifting a screw rod; 15. a limiting rod; 16. a lifting plate; 17. a fixed mount; 18. a transmission gear; 19. a first gear; 20. a first ball bearing; 21. a second ball bearing; 22. a third ball bearing; 23. a limiting block; 24. a fourth ball bearing; 25. connecting blocks; 26. a square groove; 27. a square head; 28. a drive shaft; 29. a second gear; 30. a front support plate; 31. a rear support plate; 32. a base plate; 33. a traveling motor; 34. a front pulley; 35. a rear pulley; 36. a rubber plate; 37. a third gear; 38. a fourth gear; 39. a hoisting chain; 40. hoisting rollers; 41. a third rotating shaft; 42. a fifth ball bearing; 43. a fifth gear; 44. a sixth gear; 45. chain teeth; 46. a front support wheel; 47. a rear support wheel; 48. a stop pillar.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the manual and electric dual-purpose electric hoist of the invention comprises a hanging beam 1, an outer cover 2, a lifting motor 3 and a controller 4, wherein a placing cavity is arranged inside the outer cover 2, a winding drum 5 and a planetary reduction gearbox 6 are arranged in the placing cavity, the output end of the planetary reduction gearbox 6 is in transmission connection with the winding drum 5, an opening is arranged at the bottom end of the outer cover 2, a steel wire rope 7 is wound on the winding drum 5, the end part of the steel wire rope 7 passes through the opening from the placing cavity to the lower part of the outer cover 2, a lifting hook 8 is arranged at the end part of the steel wire rope 7, the lifting motor 3 is arranged at the right end of the outer cover 2, a sliding rail 9 is arranged at the bottom end of the hanging beam 1, a traveling mechanism matched with the sliding rail 9; the device also comprises a worm 10, a first rotating shaft 11, a first rotating rod 12, a second rotating rod 13, a lifting screw 14, two groups of limiting rods 15, a lifting plate 16, a fixed frame 17 and a transmission gear 18, wherein the right end of the planetary reduction gearbox 6 is in transmission connection with a first gear 19, the right front end of the top wall in the placing cavity is provided with a first placing groove, a first ball bearing 20 is arranged in the first placing groove, the right front end of the bottom wall of the outer cover 2 is provided with a first mounting through hole, the first mounting through hole is positioned under the first placing groove, a second ball bearing 21 is fixedly arranged in the first mounting through hole, the top end of the worm 10 is inserted into the first ball bearing 20, the bottom end of the worm 10 passes through the second ball bearing 21 from the placing cavity and extends out to the lower part of the outer cover 2, the right side of the bottom end of the outer cover 2 is provided with a second placing groove, and a third ball bearing 22 is fixedly, a vertically through threaded hole is arranged in the middle of the lifting plate 16, the top end of the lifting screw 14 passes through the threaded hole from the bottom end of the lifting plate 16 to the upper side of the lifting plate 16 in a threaded manner and is inserted into the third ball bearing 22, vertically through limiting holes are arranged at the front end and the rear end of the lifting plate 16, the top ends of two sets of limiting rods 15 respectively pass through two sets of limiting holes from the bottom end of the lifting plate 16 and are respectively connected with the front side and the rear side of the bottom end of the outer cover 2, limiting blocks 23 are arranged at the bottom ends of the two sets of limiting rods 15, the top end of the first rotating rod 12 is connected with the bottom end of the lifting screw 14 in a shaft manner, a vertically through second mounting through hole is arranged in the front half area of the lifting plate 16, a fourth ball bearing 24 is fixedly arranged in the second mounting through hole, the top end of the first rotating shaft 11 passes through the fourth ball bearing 24 from the bottom end of the lifting plate 16 to the upper side of the, a square groove 26 is formed in the top end of the connecting block 25, a square head 27 is arranged at the bottom end of the worm 10, the square head 27 is located right above the square groove 26, the top end of the second rotating rod 13 is connected with the bottom end shaft of the first rotating shaft 11, a through hole is formed in the right rear side of the bottom end of the outer cover 2, the bottom end of the fixing frame 17 is connected with the rear half area of the top end of the lifting plate 16, the top end of the fixing frame 17 penetrates through the through hole from the bottom end of the outer cover 2 and extends into the placing cavity, the transmission gear 18 is installed at the top end of the fixing frame 17, a transmission shaft 28 is arranged at the left output end of the lifting motor 3, the left end of the transmission shaft 28 extends into the placing cavity from the right end of the outer cover 2, a second gear 29 is arranged at; the walking mechanism comprises a front support plate 30, a rear support plate 31, a bottom plate 32, a walking motor 33, two groups of front pulleys 34, two groups of rear pulleys 35 and two groups of rubber plates 36, wherein the bottom ends of the front support plate 30 and the rear support plate 31 are respectively connected with the front side and the rear side of the top end of the bottom plate 32, the two groups of front pulleys 34 are respectively rotatably arranged on the left side and the right side of the rear end of the front support plate 30, third gears 37 are respectively arranged at the front parts of the outer sides of the two groups of front pulleys 34, the walking motor 33 is arranged in the middle of the front end of the front support plate 30, a second rotating shaft is arranged at the output end of the rear side of the walking motor 33, the rear end of the second rotating shaft penetrates through the front support plate 30 to the rear side of the front support plate 30 from the front end of the front support plate 30, a fourth gear 38 is arranged at the rear end of the second rotating shaft, the two groups of third, the bottom ends of the two groups of front pulleys 34 and the two groups of rear pulleys 35 are tightly attached to the top ends of the slide rails 9, the two groups of rubber plates 36 are respectively arranged on the left side and the right side of the top end of the bottom plate 32, and the top ends of the two groups of rubber plates 36 are in contact with the bottom ends of the slide rails 9; when sudden parking caused by power failure or other reasons occurs, the lifting screw rod can be driven to rotate by rotating the first rotating rod, the lifting plate is driven to move upwards by the lifting screw rod, the lifting plate is stabilized by two groups of limiting rods until the transmission gear is separated from the first gear and the second gear, the square head is inserted into the square groove at the moment, if the square head is not aligned with the square groove, the first rotating shaft can be rotated by rotating the second rotating rod for a certain angle until the square head is aligned with the square groove up and down and the square head is inserted into the square groove, then the first rotating shaft is driven to rotate by rotating the second rotating rod, the first rotating shaft drives the worm to rotate, the first gear is driven to rotate by the worm, the first gear drives the winding drum to rotate by the planetary reduction gearbox, the lifting of an object is completed, the progress of operation is ensured, and the use reliability is improved; the fourth gear is driven to rotate through the walking motor, the fourth gear drives the two sets of third gears and the two sets of front pulleys to rotate, the two sets of front pulleys roll on the slide rail, the transverse movement of the outer cover is achieved, the two sets of rubber plates on the top end of the bottom plate can be used for supporting and correcting the inclined outer cover and the walking mechanism, the condition that the outer cover is inclined due to inertia can be effectively prevented, potential safety hazards are reduced, and practicability is improved.
The manual and electric dual-purpose electric hoist further comprises a lifting chain 39, a lifting roller 40 and a third rotating shaft 41, wherein a third mounting through hole is formed in the middle of the rear supporting plate 31, a fifth ball bearing 42 is fixedly mounted in the third mounting through hole, the front end of the third rotating shaft 41 penetrates through the fifth ball bearing 42 from the rear end of the rear supporting plate 31 to the front end of the rear supporting plate 31, a fifth gear 43 is arranged at the front end of the third rotating shaft 41, sixth gears 44 are arranged at the rear ends of the outer sides of the two groups of rear pulleys 35, the two groups of sixth gears 44 are meshed with the fifth gear 43, the rear end of the third rotating shaft 41 is fixedly connected with the middle of the front end of the lifting roller 40, chain teeth 45 are arranged on the lifting roller 40, and the lifting chain 39 is sleeved on the chain teeth 45 of the lifting roller 40; drive the jack-up gyro wheel through the pulling jack-up chain and rotate, the jack-up gyro wheel drives fifth gear revolve, and the fifth gear drives two sets of sixth gears and two sets of back pulley rotations, and it is along slide rail lateral sliding to drive the dustcoat through two sets of back slides, can carry out lateral shifting to it under the circumstances of shutting down, improves the practicality.
The invention relates to a manual and electric dual-purpose electric hoist.A slide rail 9 has an I-shaped section; two sets of front pulleys and two sets of back pulleys can be spacing each other when sliding on the slide rail, the steadiness when guaranteeing its slip.
The manual and electric dual-purpose electric hoist further comprises a plurality of groups of front supporting wheels 46 and a plurality of groups of rear supporting wheels 47, wherein the plurality of groups of front supporting wheels 46 are uniformly arranged at the rear end of the front supporting plate 30 at equal intervals, the rear ends of the plurality of groups of front supporting wheels 46 are tightly attached to the front end of the sliding rail 9, the plurality of groups of rear supporting wheels 47 are uniformly arranged at the front end of the rear supporting plate at equal intervals, and the front ends of the plurality of groups of rear supporting wheels 47 are tightly attached to the rear end of the sliding rail 9; the condition that running gear takes place the incline when sliding along the slide rail is prevented through the preceding supporting wheel of multiunit and multiunit rear gear, improves the practicality.
The manual and electric dual-purpose electric hoist further comprises two groups of blocking columns 48, the front ends of the two groups of blocking columns 48 are respectively connected with the front side and the rear side of the top of the rear end of the rear supporting plate 31, the two groups of blocking columns 48 are respectively positioned above the left side and the right side of the lifting roller 40, and the linear distance between the two groups of blocking columns 48 and the lifting roller 40 is smaller than the width of the lifting chain 39; prevent through two sets of bumping posts that the hoisting chain from deviating from in the hoisting roller, improve and use the reliability.
In the manual and electric dual-purpose electric hoist, the hoisting chain 39 is in an end-to-end structure.
When the square head 27 is inserted into the square groove 26, the transmission gear 18 is separated from the first gear 19 and the second gear 29; when the transmission gear is meshed with the first gear and the second gear, the square head is separated from the square groove, and the first rotating shaft and the second rotating rod are driven to rotate to influence the following work when the worm rotates.
According to the manual and electric dual-purpose electric hoist, the top ends of the two groups of limiting blocks 23 are respectively attached to the front side and the rear side of the bottom end of the lifting plate 16; the lifting plate can be supported through the limiting block, and the falling condition of the lifting plate is prevented.
The invention relates to a manual and electric dual-purpose electric hoist, which can rotate a lifting screw rod by rotating a first rotating rod when the electric hoist works and suddenly stops due to power failure or other reasons, the lifting screw rod drives a lifting plate to move upwards by the lifting screw rod, the lifting plate is stabilized by two groups of limiting rods until a transmission gear is separated from a first gear and a second gear, a square head is inserted into a square groove at the moment, if the square head is not aligned with the square groove, the first rotating shaft can be rotated by rotating a second rotating rod by a certain angle until the square head is aligned with the square groove up and down and the square head is inserted into the square groove, then the first rotating shaft is driven to rotate by rotating the second rotating rod, the first rotating shaft drives a worm to rotate, the first gear is driven to rotate by the worm, the first gear drives a winding drum to rotate by a planetary reduction gearbox, and the lifting of an object is completed, the operation progress is ensured, and the use reliability is improved; the fourth gear is driven to rotate by the traveling motor, the fourth gear drives two groups of third gears and two groups of front pulleys to rotate, the two groups of front pulleys roll on the slide rail to realize the transverse movement of the outer cover, the inclined outer cover and the traveling mechanism can be supported and corrected in the parking and starting processes by two groups of rubber plates at the top end of the bottom plate, the outer cover can be effectively prevented from inclining due to inertia, the potential safety hazard is reduced, the hoisting chain is pulled to drive the hoisting roller to rotate, the hoisting roller drives the fifth gear to rotate, the fifth gear drives two groups of sixth gears and two groups of rear pulleys to rotate, the outer cover is driven to transversely slide along the slide rail by two groups of rear sliding, the outer cover can be transversely moved under the shutdown condition, and the traveling mechanism is prevented from inclining along the slide rail by a plurality of groups of front supporting wheels and a plurality of rear gears, the two groups of stop posts prevent the hoisting chain from being separated from the hoisting roller, after the transmission gear is separated from the first gear and the second gear, the transmission gear is meshed with the first gear through the worm, the first gear is driven to rotate through the rotation of the worm, when the transmission gear is meshed with the first gear and the second gear, the square head is separated from the square groove, and the operation that the first rotating shaft and the second rotating rod are driven to rotate to influence the following work is prevented when the worm rotates.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A manual and electric dual-purpose electric hoist comprises a hanging beam (1), an outer cover (2), a lifting motor (3) and a controller (4), wherein a placing cavity is arranged inside the outer cover (2), a winding drum (5) and a planetary reduction gearbox (6) are arranged in the placing cavity, the output end of the planetary reduction gearbox (6) is in transmission connection with the winding drum (5), an opening is arranged at the bottom end of the outer cover (2), a steel wire rope (7) is wound on the winding drum (5), the end part of the steel wire rope (7) penetrates through the opening from the placing cavity to the lower part of the outer cover (2), a lifting hook (8) is arranged at the end part of the steel wire rope (7), a lifting motor (3) is arranged at the right end of the outer cover (2), a sliding rail (9) is arranged at the bottom end of the lifting beam (1), a travelling mechanism matched with the sliding rail (9) is arranged at the top end of the outer cover (2), and the controller (4) is electrically connected with the travelling mechanism and the lifting motor (3); the device is characterized by further comprising a worm (10), a first rotating shaft (11), a first rotating rod (12), a second rotating rod (13), a lifting screw (14), two groups of limiting rods (15), a lifting plate (16), a fixing frame (17) and a transmission gear (18), wherein the right end of the planetary reduction box (6) is connected with a first gear (19) in a transmission manner, a first placing groove is formed in the right front end of the top wall in the placing cavity, a first ball bearing (20) is arranged in the first placing groove, a first mounting through hole is formed in the right front end of the bottom wall of the outer cover (2), the first mounting through hole is located right below the first placing groove, a second ball bearing (21) is fixedly mounted in the first mounting through hole, the top end of the worm (10) is inserted into the first ball bearing (20), and the bottom end of the worm (10) penetrates through the second ball bearing (21) from the placing cavity and extends out to the lower side of the outer cover (2), a second placing groove is formed in the right side of the bottom end of the outer cover (2), a third ball bearing (22) is fixedly installed in the second placing groove, a threaded hole which is communicated up and down is formed in the middle of the lifting plate (16), the top end of the lifting screw (14) penetrates through the threaded hole from the bottom end of the lifting plate (16) in a threaded mode to the upper portion of the lifting plate (16) and is inserted into the third ball bearing (22), limiting holes which are communicated up and down are formed in the front end and the rear end of the lifting plate (16), the top ends of the two groups of limiting rods (15) penetrate through the two groups of limiting holes from the bottom end of the lifting plate (16) respectively and are connected with the front side and the rear side of the bottom end of the outer cover (2) respectively, limiting blocks (23) are arranged at the bottom ends of the two groups of limiting rods (15), the top end of the first rotating rod (12) is connected with the bottom end of the lifting screw (14), and a second installing through hole which is communicated up and down is formed, a fourth ball bearing (24) is fixedly installed in the second installation through hole, the top end of the first rotating shaft (11) penetrates through the fourth ball bearing (24) from the bottom end of the lifting plate (16) to the upper portion of the lifting plate (16), a connecting block (25) is arranged at the top end of the first rotating shaft (11), a square groove (26) is formed in the top end of the connecting block (25), a square head (27) is arranged at the bottom end of the worm (10), the square head (27) is located right above the square groove (26), the top end of the second rotating rod (13) is connected with the bottom end shaft of the first rotating shaft (11), a through hole is formed in the right rear side of the bottom end of the outer cover (2), the bottom end of the fixing frame (17) is connected with the rear half area of the top end of the lifting plate (16), the top end of the fixing frame (17) penetrates through the through hole from the bottom end of the outer cover (2) to extend into the placing cavity, the transmission gear (18) is installed at the, a transmission shaft (28) is arranged at the left output end of the lifting motor (3), the left end of the transmission shaft (28) extends into the placing cavity from the right end of the outer cover (2), a second gear (29) is arranged at the left end of the transmission shaft (28), and the first gear (19) and the second gear (29) are both meshed with the transmission gear (18); the walking mechanism comprises a front support plate (30), a rear support plate (31), a bottom plate (32), a walking motor (33), two groups of front pulleys (34), two groups of rear pulleys (35) and two groups of rubber plates (36), the bottom ends of the front support plate (30) and the rear support plate (31) are respectively connected with the front side and the rear side of the top end of the bottom plate (32), the two groups of front pulleys (34) are respectively rotatably arranged on the left side and the right side of the rear end of the front support plate (30), third gears (37) are respectively arranged on the front parts of the outer sides of the two groups of front pulleys (34), the walking motor (33) is arranged in the middle of the front end of the front support plate (30), a second rotating shaft is arranged at the output end of the rear side of the walking motor (33), the rear end of the second rotating shaft penetrates through the front support plate (30) from the front end of the front support plate (30) to the rear side of the front support plate (30), and a fourth, two sets of third gears (37) all mesh with fourth gear (38), two sets of back pulleys (35) are rotatable respectively and are installed in the left side and the right side of back extension board (31) front end, and the bottom of two sets of front pulleys (34) and two sets of back pulleys (35) all pastes tightly with the top of slide rail (9), two sets of rubber slab (36) are installed respectively in the left side and the right side on bottom plate (32) top to the top of two sets of rubber slab (36) contacts with the bottom of slide rail (9).
2. The manual and electric dual-purpose electric hoist according to claim 1, further comprising a lifting chain (39), a lifting roller (40) and a third rotating shaft (41), wherein a third mounting through hole is formed in the middle of the rear support plate (31), a fifth ball bearing (42) is fixedly mounted in the third mounting through hole, the front end of the third rotating shaft (41) passes through the fifth ball bearing (42) from the rear end of the rear support plate (31) to the front end of the rear support plate (31), a fifth gear (43) is arranged at the front end of the third rotating shaft (41), sixth gears (44) are arranged at the outer rear ends of the two sets of rear pulleys (35), the two sets of sixth gears (44) are engaged with the fifth gear (43), the rear end of the third rotating shaft (41) is fixedly connected with the middle of the front end of the lifting roller (40), chain teeth (45) are arranged on the lifting roller (40), the hoisting chain (39) is sleeved on the chain teeth (45) of the hoisting roller (40).
3. A manual and electric dual-purpose electric hoist according to claim 2, characterized in that the cross section of the slide rail (9) is an i-shaped structure.
4. A manual and electric dual-purpose electric hoist according to claim 3, characterized by further comprising a plurality of sets of front supporting wheels (46) and a plurality of sets of rear supporting wheels (47), wherein the plurality of sets of front supporting wheels (46) are uniformly mounted at the rear end of the front support plate (30) at equal intervals, the rear ends of the plurality of sets of front supporting wheels (46) are respectively attached to the front ends of the slide rails (9), the plurality of sets of rear supporting wheels (47) are uniformly mounted at the front ends of the rear support plate at equal intervals, and the front ends of the plurality of sets of rear supporting wheels (47) are respectively attached to the rear ends of the slide rails (9).
5. The electric block of claim 4, further comprising two sets of blocking posts (48), wherein the front ends of the two sets of blocking posts (48) are respectively connected with the front side and the rear side of the top of the rear end of the rear supporting plate (31), and the two sets of blocking posts (48) are respectively positioned at the upper left and the upper right of the lifting roller (40), and the linear distance between the two sets of blocking posts (48) and the lifting roller (40) is smaller than the width of the lifting chain (39).
6. A hoist as claimed in claim 5, wherein the chain (39) is of end-to-end configuration.
7. The electric block for manual and electric use according to claim 6, wherein when the square head (27) is inserted into the square groove (26), the transmission gear (18) is disengaged from both the first gear (19) and the second gear (29).
8. A manual and electric dual-purpose electric hoist according to claim 7, characterized in that the top ends of the two sets of limiting blocks (23) are respectively attached to the front side and the rear side of the bottom end of the lifting plate (16).
CN201811572530.8A 2018-12-21 2018-12-21 Manual and electric dual-purpose electric hoist Expired - Fee Related CN109292660B (en)

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CN111874804A (en) * 2020-06-19 2020-11-03 贵州湄潭百道茶业有限公司 Tea leaf lifting and conveying system
CN112607634B (en) * 2020-12-08 2022-03-22 中建八局第二建设有限公司 Multipurpose auxiliary tool for chain block zipper operation

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SU401630A1 (en) * 1971-07-12 1973-10-12 Всесоюзный научно исследовательский институт эфиромасличных культур Головным специализированным конструкторским бюро HAND Winches .- ^ iii ^ ;! j ^ u
RU2083476C1 (en) * 1991-12-04 1997-07-10 Украинский государственный институт краностроения Hand winch
CN204508648U (en) * 2015-03-29 2015-07-29 铜陵市华能工矿设备有限责任公司 A kind of manual and electric dual-purpose lifting cucurbit
CN204917809U (en) * 2015-07-07 2015-12-30 天津市燊宝科技有限公司 Novel hoist engine for building
CN108163733B (en) * 2018-02-08 2024-04-26 陈建辉 Dual-purpose transmission device for electric and manual conversion

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