CN112551402A - Hoisting mechanism of crane - Google Patents
Hoisting mechanism of crane Download PDFInfo
- Publication number
- CN112551402A CN112551402A CN202011336187.4A CN202011336187A CN112551402A CN 112551402 A CN112551402 A CN 112551402A CN 202011336187 A CN202011336187 A CN 202011336187A CN 112551402 A CN112551402 A CN 112551402A
- Authority
- CN
- China
- Prior art keywords
- wall
- fixedly connected
- arc
- groove
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 61
- 238000004804 winding Methods 0.000 claims abstract description 47
- 230000001681 protective effect Effects 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 3
- 239000004579 marble Substances 0.000 abstract description 9
- 230000033001 locomotion Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 239000007788 liquid Substances 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
- 230000009977 dual effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- B66D1/28—Other constructional details
-
- 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
- B66D1/54—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/06—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to the technical field of hoisting machinery, and discloses a hoisting mechanism of a crane, which comprises a bottom plate, a top plate, a winding drum, a hook component and a transmission component, wherein the bottom end of the inner wall of the bottom plate is fixedly connected with the hook component, the top end of the bottom plate is fixedly connected with the transmission component, the inner wall of the transmission component is rotatably connected with the winding drum, and the top end of the transmission component is fixedly connected with the top plate; when equipment daily operation, take the reel to rotate by driving motor operation area, make the reel directly block when the shut down operation at indiscriminate rope phenomenon, driving motor still takes the pivot rotation in the operation area, but this turning force is greater than the effort of marble to the top strip, thereby the top strip is overcome marble elasticity and is returned in the groove of a top, make the pivot normal operating, and then driving motor can not be because of the stoppage of transport of reel, and lead to self overheated damage, the device lets driving motor's life strengthen greatly, and can be timely brake the reel, can prevent that the heavy object from falling and causing the incident.
Description
Technical Field
The invention relates to the technical field of hoisting machinery, in particular to a hoisting mechanism of a crane.
Background
A hoisting mechanism of a crane, also called as a hoist, is a core mechanism of the crane capable of lifting a heavy object, the hoisting mechanism utilizes a driving motor to drive a winding drum to rotate, so that a steel cable wound on the winding drum drives a lifting hook to ascend or descend through a suspension arm device, thereby realizing the lifting of the heavy object, the existing hoisting equipment adopts a single winding drum to realize the lifting of the lifting hook, as the hoisting equipment is usually required to be hoisted in high altitude, the used steel cable is longer, the winding drum is huge in volume, once the winding drum fails, the whole equipment can be stopped and safety accidents occur, in addition, the problem of uneven arrangement of the steel cables of the hoisting machinery is a common fault of the hoisting machinery all over the world, although most of the hoisting equipment is provided with a cable guide so that the steel cables are orderly arranged on the winding drum, the cable guide is a vulnerable part and is usually required to be maintained and replaced, in the operation of the equipment, once the rope guider fails, the steel cables are arranged unevenly, and further rope disorder may occur, even when the steel cables break due to uneven stress, heavy objects directly fall, so that property loss and safety accidents are caused, at this time, the winding drum needs to be braked emergently to stop rotating, but the existing method for braking the winding drum has some defects, usually a hydraulic system is used for controlling the braking force of the braking end to the brake disc, but the braking method usually only adopts a single transmission rod for transmission, has small braking area, so that when the winding drum is braked, the heavy objects can fall for a certain distance, even the braking is invalid, and has great potential safety hazard, and if the rope disorder phenomenon directly makes the winding drum not move, and at this time, the driving motor still operates, and the driving motor is likely to be damaged due to overheating, therefore, the crane hoisting mechanism with double winding drums, rapid braking and motor protection is provided.
Disclosure of Invention
In order to achieve the purposes of double winding drums, quick braking and motor protection, the invention provides the following technical scheme: the crane hoisting mechanism comprises a bottom plate, a top plate, a winding drum, a hook assembly and a transmission assembly, wherein the bottom end of the inner wall of the bottom plate is fixedly connected with the hook assembly, the top end of the bottom plate is fixedly connected with the transmission assembly, the inner wall of the transmission assembly is rotatably connected with the winding drum, and the top end of the transmission assembly is fixedly connected with the top plate.
As optimization, the lifting hook subassembly comprises fixed pulley group, davit device, transmission pulley, lifting hook body and cable wire, cable wire top and reel outer wall swing joint, fixed pulley group outer wall and bottom plate inner wall fixed connection, the one end and the transmission pulley swing joint of reel are kept away from to the cable wire, transmission pulley outer wall and lifting hook body fixed connection, the cable wire outer wall is located transmission pulley top and davit device, utilizes fixed pulley group to make the neat even entering davit device of cable wire.
As optimizing, drive assembly comprises brake assembly, heel post, protective sheath subassembly, driving motor, load ejector pad, electric liquid push rod and transmission shaft, brake assembly inner wall and transmission shaft outer wall fixed connection, the transmission shaft right side rotates with the heel post to be connected, electric liquid push rod right side and load ejector pad fixed connection, load ejector pad top and roof sliding connection, load ejector pad bottom and bottom plate sliding connection, driving motor bottom and bottom plate top right side fixed connection, driving motor output shaft and protective sheath subassembly fixed connection, drive assembly are as the driving source of reel, not only can protect driving motor and can also carry out emergency braking to the reel.
Preferably, the brake assembly comprises a brake roller, a mandril, an arc-shaped raised head, a circular clamping plate, an arc-shaped plug, a chuck, a brake wiping head, a compression spring, an elastic groove and a clamping groove, wherein the outer wall of the brake roller is fixedly connected with the circular clamping plate, the right side of the arc-shaped raised head is fixedly connected with a force-bearing push block, the elastic groove is formed in the left side of the arc-shaped raised head, the right side of the inner wall of the elastic groove is fixedly connected with the compression spring, the left side of the compression spring is fixedly connected with the mandril, the outer wall of the mandril is slidably connected with the elastic groove, the left side of the mandril is fixedly connected with the brake wiping head, the arc-shaped plug is positioned above the elastic groove and is fixedly connected with the arc-shaped raised head, the left side of the arc-shaped plug is fixedly connected with the chuck, the clamping groove is positioned on the left side of, and finally, stopping the reel by using the clamping head and the clamping groove.
As an optimization, the protective sleeve assembly comprises a protective sleeve column, a rotating shaft, a rotating sleeve, a top strip, an arc-shaped groove, a limiting block, a limiting groove, a top groove, a convex hull slide block and a marble, wherein the inner wall of the protective sleeve column is rotatably connected with the rotating sleeve, the inner wall of the rotating sleeve is rotatably connected with the rotating shaft, the inner wall of the rotating sleeve is fixedly connected with the marble, the top groove is positioned at the top end of the marble and is arranged on the inner wall of the rotating sleeve, the inner wall of the top groove is slidably connected with the convex hull slide block, the top end of the marble is fixedly connected with the convex hull slide block, the top end of the convex hull slide block is fixedly connected with the top strip, the outer wall of the top strip is slidably connected with the inner wall of the top groove, the limiting groove is positioned at the right side of the top strip and is arranged on the inner wall of the rotating sleeve, the inner wall of the limiting groove is slidably connected with the limiting block, the left, the driving motor that the protective sheath subassembly made normal operating can not damage.
As optimization, reel and drive assembly all have two, and all set up about the vertical centerline symmetry of crown block, utilize the mode of two reels to make the lift of heavy object quick and possess small advantage.
Preferably, the right side of the transmission shaft penetrates through the bearing columns and the winding drum to be fixedly connected with the protective sleeve assembly, the two bearing columns are symmetrically arranged about the vertical center line of the winding drum, the outer wall of the transmission shaft is fixedly connected with the inner wall of the winding drum, and the transmission shaft is used for braking to drive the winding drum to stop running.
Preferably, the two circular clamping plates are symmetrically arranged about a horizontal central line of the arc-shaped plug, the two arc-shaped plugs and the two auxiliary assemblies thereof are symmetrically arranged about the horizontal central line of the arc-shaped raised head, the two arc-shaped raised heads and the two auxiliary assemblies thereof are arranged about a vertical central line of the transmission shaft, and the friction area is increased so that the braking is rapid.
Preferably, the two limiting blocks and the two limiting grooves are symmetrically arranged about the vertical center line of the top strip, the six top strips and the six auxiliary assemblies are annularly arrayed about the center point of the rotating shaft, the driving motor drives the winding drum to move by utilizing the top strips and the auxiliary assemblies, and the driving motor can still normally operate when the winding drum is decelerated due to a rope disorder phenomenon or directly clamped and fixed, so that the driving motor is protected from being damaged.
The invention has the beneficial effects that: when a winding drum has a fault, an electro-hydraulic push rod operates to drive a force bearing push block to move, the force bearing push block drives an arc-shaped raised head to move, the arc-shaped raised head drives a spring slot to move, the spring slot drives a compression spring and an ejector rod to operate, the ejector rod drives a brake head to move, the brake head contacts with the outer wall of a brake roller first so as to decelerate the brake roller, at the moment, the arc-shaped raised head drives an arc-shaped plug to move so that a circular clamping plate contacts with an arc-shaped plug, the winding drum decelerates by using the friction force of the side wall of the winding drum, the arc-shaped plug drives a clamping head to move so that the clamping head is clamped with a clamping groove, and the winding drum stops operating, compared with the traditional braking mode, the braking mode has the advantages of large braking area, high braking speed, difficulty in fault occurrence of bidirectional braking and the like, in addition, when equipment operates, the driving motor drives, make the convex hull slider area take the top upward movement, the top is taking the stopper motion, the stopper passes through the spacing groove with the top restriction at changeing the cover inner wall, make top and arc wall joint, and then make pivot area change the cover motion, change the cover area and take the transmission shaft motion, and then take the reel motion, it needs to notice, when indiscriminate rope phenomenon makes the reel directly block the shut down, driving motor still takes the pivot to rotate at the operation area, but this turning force is greater than the effort of marble to the top, thereby the top overcomes marble elasticity and returns in the top groove, make the pivot normal operating, and then driving motor can not be because of the stoppage of the reel, and lead to self overheated damage, the device lets driving motor's life strengthen greatly, and can be timely brake the reel, can prevent that the heavy object from falling and cause the incident.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the transmission assembly of the present invention;
FIG. 3 is a left side view of the transmission assembly of the present invention;
FIG. 4 is a schematic view of the brake assembly of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the protective cover assembly of the present invention;
FIG. 7 is a right side view of the protective cover assembly of the present invention;
FIG. 8 is an enlarged view of the structure at B in FIG. 7 according to the present invention.
In the figure: 100. a base plate; 200. a top plate; 300. a reel; 400. a hook assembly; 401. a fixed pulley block; 402. a boom device; 403. a transmission pulley; 404. a hook body; 405. a steel cord; 500. a transmission assembly; 501. a brake assembly; 5010. a brake roller; 5011. a top rod; 5012. an arc-shaped raised head; 5013. a circular clamping plate; 5014. an arc-shaped plug; 5015. clamping a head; 5016. a brake pad head; 5017. a compression spring; 5018. a spring slot; 5019. a card slot; 502. a load-bearing column; 503. a protective sleeve assembly; 5030. a sheath column; 5031. a rotating shaft; 5032. rotating the sleeve; 5033. carrying out top strip; 5034. an arc-shaped slot; 5035. a limiting block; 5036. a limiting groove; 5037. a top groove; 5038. a convex hull slide block; 5039. a marble; 504. a drive motor; 505. a force bearing push block; 506. an electro-hydraulic push rod; 507. a drive shaft.
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. 1-2, a hoisting mechanism of a crane includes a bottom plate 100, a top plate 200, a winding drum 300, a hook assembly 400, and a transmission assembly 500, wherein the bottom end of the inner wall of the bottom plate 100 is fixedly connected to the hook assembly 400, the top end of the bottom plate 100 is fixedly connected to the transmission assembly 500, the inner wall of the transmission assembly 500 is rotatably connected to the winding drum 300, and the top end of the transmission assembly 500 is fixedly connected to the top plate 200.
Referring to fig. 1-2, the hook assembly 400 comprises a fixed pulley set 401, a boom device 402, a transmission pulley 403, a hook body 404 and a steel cable 405, wherein the top end of the steel cable 405 is movably connected with the outer wall of the drum 300, the outer wall of the fixed pulley set 401 is fixedly connected with the inner wall of the base plate 100, one end of the steel cable 405 far away from the drum 300 is movably connected with the transmission pulley 403, the outer wall of the transmission pulley 403 is fixedly connected with the hook body 404, the outer wall of the steel cable 405 is located above the transmission pulley 403 and connected with the boom device 402, and the steel cable 405 is neatly and uniformly fed into the.
Referring to fig. 1-3, the transmission assembly 500 includes a brake assembly 501, a load-bearing column 502, a protective sleeve assembly 503, a driving motor 504, a force-bearing push block 505, an electro-hydraulic push rod 506 and a transmission shaft 507, wherein an inner wall of the brake assembly 501 is fixedly connected with an outer wall of the transmission shaft 507, a right side of the transmission shaft 507 is rotatably connected with the load-bearing column 502, a right side of the electro-hydraulic push rod 506 is fixedly connected with the force-bearing push block 505, a top end of the force-bearing push block 505 is slidably connected with the top plate 200, a bottom end of the force-bearing push block 505 is slidably connected with the bottom plate 100, a bottom end of the driving motor 504 is fixedly connected with a right side of a top end of the bottom plate 100, an output shaft of the driving motor 504 is fixedly connected.
Referring to fig. 2-6, the braking assembly 501 is composed of a braking roller 5010, a top post 5011, an arc-shaped nose 5012, a circular clamping plate 5013, an arc-shaped plug 5014, a clamping head 5015, a braking wiping head 5016, a compression spring 5017, an elastic groove 5018 and a clamping groove 5019, wherein the outer wall of the braking roller 5010 is fixedly connected with the circular clamping plate 5013, the right side of the arc-shaped nose 5012 is fixedly connected with a force-bearing push block 505, the elastic groove 5018 is arranged at the left side of the arc-shaped nose 5012, the right side of the inner wall of the elastic groove 5018 is fixedly connected with the compression spring 5017, the left side of the compression spring 5017 is fixedly connected with the top post 5011, the outer wall of the top post 5011 is slidably connected with the elastic groove 5018, the left side of the top post 5011 is fixedly connected with the braking wiping head 5016, the arc-shaped plug 5014 is arranged above the elastic groove 5018 and fixedly connected with the arc-shaped nose 5012, the left side of the arc-shaped plug 5014 is fixedly, meanwhile, the friction force between the circular clamping plate 5013 and the arc-shaped plug 5014 is utilized to decelerate, and finally, the clamping head 5015 and the clamping groove 5019 are used for stopping the reel 300.
Referring to fig. 6-8, the protective sleeve assembly 503 comprises a sheath column 5030, a rotation shaft 5031, a rotating sleeve 5032, a top strip 5033, an arc-shaped groove 5034, a limiting block 5035, a limiting groove 5036, a top groove 5037, a convex-hull sliding block 5038 and a ball 5039, wherein the inner wall of the sheath column 5030 is rotatably connected with the rotating sleeve 5032, the inner wall of the rotating sleeve 5032 is rotatably connected with the rotation shaft 5031, the inner wall of the rotating sleeve 5032 is fixedly connected with the ball 5039, the top groove 5037 is arranged at the top end of the ball 5039 and is arranged at the inner wall of the rotating sleeve 5032, the inner wall of the top groove 5037 is slidably connected with the convex-hull sliding block 5038, the top end of the ball 5039 is fixedly connected with the convex-hull sliding block 5038, the top end of the convex-hull sliding block 5038 is fixedly connected with the top strip 5033, the outer wall of the top strip 5033 is slidably connected with the inner wall of the top groove 5037, the limiting groove 5036 is arranged at the right side of the rotating sleeve 5032, the limiting groove 5036 is arranged at the right side of the, when the rotation speed of the winding drum 300 is reduced or the winding drum is directly stopped due to the rope tangling phenomenon, the driving motor 504 can normally run without being damaged by the protective sleeve assembly 503.
Referring to fig. 1-2, there are two drums 300 and two transmission assemblies 500, which are symmetrically disposed about the vertical center line of the fixed pulley block 401, so that the dual drum 300 can be used to lift and lower heavy objects quickly and have the advantage of small size.
Referring to fig. 2-6, the right side of the transmission shaft 507 passes through the bearing columns 502, the winding drum 300 and the protective sleeve assembly 503 to be fixedly connected, two bearing columns 502 are symmetrically arranged about the vertical center line of the winding drum 300, the outer wall of the transmission shaft 507 is fixedly connected with the inner wall of the winding drum 300, and the transmission shaft 507 is braked to drive the winding drum 300 to stop.
Referring to fig. 4 to 5, there are two circular catching plates 5013 symmetrically disposed about a horizontal center line of the arc-shaped plug 5014, two arc-shaped plugs 5014 and their attachments symmetrically disposed about a horizontal center line of the arc-shaped protrusions 5012, two arc-shaped protrusions 5012 and their attachments symmetrically disposed about a vertical center line of the driving shaft 507, so that the friction area is increased to enable rapid braking.
Referring to fig. 7-8, there are two limiting blocks 5035 and two limiting grooves 5036 symmetrically disposed about the vertical center line of the top strip 5033, six top strips 5033 and their accessories are annularly arranged about the center point of the rotating shaft 5031, the driving motor 504 drives the winding drum 300 to move by using the top strips 5033 and their accessories, and when the winding drum 300 is decelerated due to a rope disorder phenomenon or is directly stuck, the driving motor 504 can still normally operate, thereby protecting the driving motor 504 from being damaged
When in use, please refer to fig. 1-8, the two drums 300 have the advantages of small volume, high stability and long service life by driving the drums 300 to rotate by the operation of the driving motor 504, and when one drum 300 has a fault, the other drum 300 can put down the heavy object to facilitate maintenance, when the drum 300 has a fault, the drum 300 is rapidly stopped by the braking component 501, the electrohydraulic push rod 506 operates to drive the force-bearing push block 505 to move, the force-bearing push block 505 drives the arc-shaped nose 5012 to move, the arc-shaped nose 5012 drives the elastic slot 5018 to move, the elastic slot 5018 drives the compression spring 5017 and the ejector 5011 to operate, the ejector 5011 drives the brake head 5016 to move, the brake head 5016 contacts with the outer wall of the brake roller 5010 first to decelerate the arc-shaped nose 5012, at this time, the arc-shaped nose 5012 drives the arc-shaped plug 5014 to move, the circular card 5013 contacts the arc plug 5014 to decelerate the reel 300 by using the friction force of the side wall thereof, the arc plug 5014 drives the card head 5015 to move to clamp the card head 5015 with the card slot 5019 to stop the rotation of the brake roller 5010, and further drives the reel 300 to stop running through the transmission shaft 507, in addition, during the daily running of the device, the driving motor 504 drives the rotating shaft 5031 to move, the elastic ball 5039 in the rotating sleeve 5032 pushes the convex hull slider 5038 towards the rotating shaft 5031 to drive the convex hull slider 5038 to drive the top stripe 5033 to move upwards, the top stripe 5033 drives the limit block 5035 to move, the limit block 5035 limits the top stripe 5033 on the inner wall of the rotating sleeve 5032 through the limit groove 5036, so that the top stripe 5033 is clamped with the arc slot 5034 to further drive the rotating shaft 5031 to move, the rotating sleeve 5032 drives the transmission shaft 5032 to move, and further drives the reel 300 to move, it is necessary to notice that when the reel 300 is directly stopped running due to a rope disorder phenomenon, the driving motor 504 still operates to drive the rotating shaft 5031 to rotate, but the rotating force is larger than the acting force of the elastic ball 5039 on the top strip 5033, so that the top strip 5033 overcomes the elastic force of the elastic ball 5039 and retracts into the top groove 5037, so that the rotating shaft 5031 operates normally, the driving motor 504 operates normally, and the driving motor 504 is protected from being damaged due to overheating.
To sum up, when the reel 300 has a fault, the electro-hydraulic push rod 506 operates to drive the force-bearing push block 505 to move, the force-bearing push block 505 drives the arc-shaped nose 5012 to move, the arc-shaped nose 5012 drives the elastic slot 5018 to move, the elastic slot 5018 drives the compression spring 5017 and the ejector rod 5011 to operate, the ejector rod 5011 drives the brake head 5016 to move, the brake head 5016 firstly contacts with the outer wall of the brake roller 5010 to decelerate the brake roller, at this time, the arc-shaped nose 5012 drives the arc-shaped plug 5014 to move, so that the circular clamping plate 5013 contacts with the arc-shaped plug 5014, the reel 300 is decelerated by the side wall friction force, the arc-shaped plug 5014 drives the clamping head 5015 to move, so that the clamping head 5015 is clamped with the clamping slot 5019, so that the reel 300 stops operating, compared with the traditional braking mode, the mode has the advantages of large braking area, rapid braking, difficult fault of bidirectional braking and the like, in addition, when the equipment operates daily, the elastic ball 5039 in the rotary sleeve 5032 continuously pushes the convex hull slide 5038 towards the rotating shaft 5031, so that the convex hull slide 5038 with the top strip 5033 moves upwards, the top strip 5033 with the limit block 5035 moves, the limit block 5035 limits the top strip 5033 on the inner wall of the rotary sleeve 5032 through the limit groove 5036, so that the top strip 5033 is clamped with the arc-shaped groove 5034, the rotating shaft 5031 with the rotary sleeve 5032 moves, the rotary sleeve 5032 with the transmission shaft 507 moves, and further the winding drum 300 moves, it should be noted that when the rope disorder phenomenon directly blocks the winding drum 300 to stop operating, the driving motor 504 still operates to drive the rotating shaft 5031 to rotate, but the rotating force is greater than the acting force of the elastic ball 5039 on the top strip 5033, the top strip 5033 overcomes the elastic force of the elastic ball 5039 to retreat into the top groove 5037, so that the rotating shaft 5031 operates normally, and further the driving motor 504 cannot be damaged due to overheating of the winding drum 300, and the service life of the driving motor 504 is greatly prolonged, and the drum 300 can be braked in time, so that safety accidents caused by falling of heavy objects can be prevented.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. A hoist hoisting mechanism, includes bottom plate (100), roof (200), reel (300), lifting hook subassembly (400), drive assembly (500), its characterized in that: the bottom end of the inner wall of the bottom plate (100) is fixedly connected with the hook assembly (400), the top end of the bottom plate (100) is fixedly connected with the transmission assembly (500), the inner wall of the transmission assembly (500) is rotatably connected with the winding drum (300), and the top end of the transmission assembly (500) is fixedly connected with the top plate (200).
2. A crane hoist according to claim 1, characterised in that: the lifting hook component (400) comprises a fixed pulley block (401), a suspension arm device (402), a transmission pulley (403), a lifting hook body (404) and a steel cable (405), the top end of the steel cable (405) is movably connected with the outer wall of a winding drum (300), the outer wall of the fixed pulley block (401) is fixedly connected with the inner wall of a bottom plate (100), one end of the steel cable (405) far away from the winding drum (300) is movably connected with the transmission pulley (403), the outer wall of the transmission pulley (403) is fixedly connected with the lifting hook body (404), and the outer wall of the steel cable (405) is located above the transmission pulley (403) and the suspension arm device (402).
3. A crane hoist according to claim 1, characterised in that: the transmission assembly (500) comprises a brake assembly (501), a bearing column (502), a protective sleeve assembly (503), a driving motor (504), a bearing push block (505), an electro-hydraulic push rod (506) and a transmission shaft (507), wherein the inner wall of the brake assembly (501) is fixedly connected with the outer wall of the transmission shaft (507), the right side of the transmission shaft (507) is rotatably connected with the bearing column (502), the right side of the electro-hydraulic push rod (506) is fixedly connected with the bearing push block (505), the top end of the bearing push block (505) is slidably connected with a top plate (200), the bottom end of the bearing push block (505) is slidably connected with a bottom plate (100), the bottom end of the driving motor (504) is fixedly connected with the right side of the top end of the bottom plate (100), and the output shaft of the driving motor (504) is fixedly connected with the protective sleeve assembly (.
4. A crane hoist according to claim 3, characterised in that: the brake component (501) comprises a brake roller (5010), an ejector rod (5011), an arc-shaped raised head (5012), a circular clamping plate (5013), an arc-shaped plug (5014), a clamping head (5015), a brake wiping head (5016), a compression spring (5017), an elastic groove (5018) and a clamping groove (5019), wherein the outer wall of the brake roller (5010) is fixedly connected with the circular clamping plate (5013), the right side of the arc-shaped raised head (5012) is fixedly connected with a force-bearing push block (505), the elastic groove (5018) is formed in the left side of the arc-shaped raised head (5012), the right side of the inner wall of the elastic groove (5018) is fixedly connected with the compression spring (5017), the left side of the compression spring (5017) is fixedly connected with the ejector rod (5011), the outer wall of the ejector rod (5011) is slidably connected with an elastic groove (5018), the left side of the ejector rod (5011) is fixedly connected with the brake wiping head (5016), the arc-shaped plug (5014) is positioned above the arc-shaped elastic groove (, arc plug (5014) left side and dop (5015) fixed connection, draw-in groove (5019) are located dop (5015) left side and offer at brake roller (5010) outer wall.
5. A crane hoist according to claim 3, characterised in that: the protective sleeve component (503) consists of a sheath column (5030), a rotating shaft (5031), a rotating sleeve (5032), a top strip (5033), an arc-shaped groove (5034), a limiting block (5035), a limiting groove (5036), a top groove (5037), a convex hull slide block (5038) and a bullet ball (5039), wherein the inner wall of the sheath column (5030) is rotatably connected with the rotating sleeve (5032), the inner wall of the rotating sleeve (5032) is rotatably connected with the rotating shaft (5031), the inner wall of the rotating sleeve (5032) is fixedly connected with the bullet ball (5039), the top groove (5037) is positioned at the top of the bullet ball (5039) and is arranged on the inner wall of the rotating sleeve (5032), the inner wall of the top groove (5037) is slidably connected with the convex hull slide block (5038), the top of the bullet ball (5039) is fixedly connected with the convex hull slide block (5038), the top of the convex hull slide block (5038) is fixedly connected with the top strip (5033), the outer wall of the top strip (5033) is slidably connected with the inner wall of the top groove (5036), and the top groove (5036) is positioned on the right side of the rotating sleeve (, the inner wall of the limit groove (5036) is connected with a limit block (5035) in a sliding manner, the left side of the limit block (5035) is fixedly connected with the top strip (5033), and the arc-shaped groove (5034) is arranged above the top strip (5033) and is arranged on the outer wall of the rotating shaft (5031).
6. A crane hoist according to claim 2, characterised in that: the number of the winding drums (300) and the number of the transmission assemblies (500) are two, and the two winding drums and the transmission assemblies are symmetrically arranged relative to the vertical center line of the fixed pulley block (401).
7. A crane hoist according to claim 3, characterised in that: the right side of the transmission shaft (507) penetrates through the bearing columns (502), the winding drum (300) and the protective sleeve assembly (503) to be fixedly connected, the two bearing columns (502) are symmetrically arranged relative to the vertical center line of the winding drum (300), and the outer wall of the transmission shaft (507) is fixedly connected with the inner wall of the winding drum (300).
8. A crane hoist according to claim 4, characterised in that: the number of the circular clamping plates (5013) is two, the circular clamping plates are symmetrically arranged relative to the horizontal central line of the arc-shaped plug (5014), the number of the arc-shaped plug (5014) and the auxiliary components thereof is two, the circular clamping plates are symmetrically arranged relative to the horizontal central line of the arc-shaped raised head (5012), the number of the arc-shaped raised head (5012) and the auxiliary components thereof is two, and the circular clamping plates are arranged relative to the vertical central line of the transmission shaft (507).
9. A crane hoist according to claim 5, characterised in that: the two limiting blocks (5035) and the two limiting grooves (5036) are symmetrically arranged about the vertical center line of the top bar (5033), and the number of the top bar (5033) and the auxiliary components thereof is six, and the six limiting blocks and the six auxiliary components are annularly arrayed about the center point of the rotating shaft (5031).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011336187.4A CN112551402B (en) | 2020-11-24 | 2020-11-24 | Hoisting mechanism of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011336187.4A CN112551402B (en) | 2020-11-24 | 2020-11-24 | Hoisting mechanism of crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112551402A true CN112551402A (en) | 2021-03-26 |
| CN112551402B CN112551402B (en) | 2022-03-29 |
Family
ID=75043567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011336187.4A Active CN112551402B (en) | 2020-11-24 | 2020-11-24 | Hoisting mechanism of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112551402B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117228565A (en) * | 2023-11-10 | 2023-12-15 | 远方电梯(靖江)有限公司 | Self-locking winch for winding steel cable |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4312497A (en) * | 1979-10-12 | 1982-01-26 | Morris Whaley, Inc. | Hydraulic winches |
| CN2162454Y (en) * | 1993-06-18 | 1994-04-20 | 潘家奇 | Friction starter with load for squirrel-cage motor |
| US20050006633A1 (en) * | 2003-06-30 | 2005-01-13 | Franks Charles Gllen | Drawworks apparatus |
| CN1740081A (en) * | 2005-09-21 | 2006-03-01 | 新泰市国力矿山设备厂 | Hydraulic contracting brake type double braking winch |
| CN1785781A (en) * | 2005-11-29 | 2006-06-14 | 太原重型机械集团有限公司 | Lifting mechanism and sling of large tonnage single hanging point crane |
| CN205838409U (en) * | 2016-07-30 | 2016-12-28 | 四川亚美动力技术有限公司 | A kind of grip friction formula overload clutch mechanism for rescuing winch |
| CN209143572U (en) * | 2018-09-05 | 2019-07-23 | 戈尔电梯（天津）有限公司 | A kind of elevator brake resistant to high temperature |
| CN110759271A (en) * | 2019-11-28 | 2020-02-07 | 浦江培咯电子科技有限公司 | Crane power-off descending object hanging device |
-
2020
- 2020-11-24 CN CN202011336187.4A patent/CN112551402B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4312497A (en) * | 1979-10-12 | 1982-01-26 | Morris Whaley, Inc. | Hydraulic winches |
| CN2162454Y (en) * | 1993-06-18 | 1994-04-20 | 潘家奇 | Friction starter with load for squirrel-cage motor |
| US20050006633A1 (en) * | 2003-06-30 | 2005-01-13 | Franks Charles Gllen | Drawworks apparatus |
| CN1740081A (en) * | 2005-09-21 | 2006-03-01 | 新泰市国力矿山设备厂 | Hydraulic contracting brake type double braking winch |
| CN1785781A (en) * | 2005-11-29 | 2006-06-14 | 太原重型机械集团有限公司 | Lifting mechanism and sling of large tonnage single hanging point crane |
| CN205838409U (en) * | 2016-07-30 | 2016-12-28 | 四川亚美动力技术有限公司 | A kind of grip friction formula overload clutch mechanism for rescuing winch |
| CN209143572U (en) * | 2018-09-05 | 2019-07-23 | 戈尔电梯（天津）有限公司 | A kind of elevator brake resistant to high temperature |
| CN110759271A (en) * | 2019-11-28 | 2020-02-07 | 浦江培咯电子科技有限公司 | Crane power-off descending object hanging device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117228565A (en) * | 2023-11-10 | 2023-12-15 | 远方电梯(靖江)有限公司 | Self-locking winch for winding steel cable |
| CN117228565B (en) * | 2023-11-10 | 2024-04-02 | 远方电梯(靖江)有限公司 | Self-locking winch for winding steel cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112551402B (en) | 2022-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6754047B1 (en) | Safe position fixing equipment for building material lifts | |
| CN112551402B (en) | Hoisting mechanism of crane | |
| CN218088705U (en) | Multi-rope winch with stable backup braking and controllable descending in power failure | |
| CN110329933B (en) | Winch and winch control method | |
| CN102530749A (en) | Novel crane luffing mechanism | |
| CN213537043U (en) | Electric single-beam bridge crane | |
| CN112607568A (en) | Elevator steel wire rope replacing method | |
| CN211444839U (en) | Coal mine hoister | |
| CN210681060U (en) | Cable guider with brake structure | |
| CN205855883U (en) | A kind of driving descending stopping means of reel steel wire ropes | |
| CN218595823U (en) | Stacker prevents weighing down safety device | |
| CN111646379A (en) | Four-roller type steel wire rope guide mechanism | |
| CN218841645U (en) | Building construction safety device | |
| CN104555790B (en) | It is applied to the anti-fall lift cart of mechanical agitation desulfurizing iron | |
| CN202429929U (en) | Novel crane luffing mechanism | |
| CN111634826A (en) | Rope storage and twisting prevention device for preventing partial abrasion of main steel rope of tower crane | |
| CN111532959A (en) | Anti-swing shockproof electromagnetic hoisting machine | |
| CN112850525A (en) | Motion limiting protection device for automobile crane | |
| CN112357770A (en) | Crane capable of emergency braking | |
| CN220907013U (en) | Double-safety electric hoist | |
| CN202766197U (en) | Brake of hoist ropes of elevator | |
| CN218290284U (en) | Lifting operation platform with low accident rate | |
| CN220256386U (en) | Novel steel wire rope monitoring device of four-rope hanging boat of window cleaning machine | |
| CN218879100U (en) | Lifting machine with a plurality of detection devices | |
| CN110775847A (en) | Efficient and energy-saving lifting equipment for mine exploitation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220308 Address after: 030000 datunzhuang village, Huangzhai Town, Yangqu County, Taiyuan City, Shanxi Province (Yang 2015-19) Applicant after: Taiyuan Huide Heavy Industry Machinery Co.,Ltd. Address before: 611730 University of Electronic Science and technology, 2006 Xiyuan Avenue, Pidu District, Chengdu City, Sichuan Province Applicant before: Feng Zhiyong |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |