CN112047240A - Automatic leveling device for lifting point - Google Patents
Automatic leveling device for lifting point Download PDFInfo
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- CN112047240A CN112047240A CN202011023161.4A CN202011023161A CN112047240A CN 112047240 A CN112047240 A CN 112047240A CN 202011023161 A CN202011023161 A CN 202011023161A CN 112047240 A CN112047240 A CN 112047240A
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- Prior art keywords
- correspondingly
- fixed pulley
- rope
- pinion
- rack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/18—Band-type slings
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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
- B66D1/28—Other constructional details
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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
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/48—Control devices automatic
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
A lifting point automatic leveling device relates to the technical field of yacht hoisting equipment, and comprises a winch, a hoisting mechanism, a frame, a bend wheel and a rope end fixing device; one end of the bottom of the rack is provided with a bend wheel, the other end of the bottom of the rack is provided with a rope head fixing device, and two groups of hoisting mechanisms are arranged at the bottom of the rack corresponding to the position between the bend wheel and the rope head fixing device at intervals; the winch is positioned below the bend wheel and correspondingly fastened and connected with the ground, and a steel wire rope of the winch is bent by the bend wheel, sequentially wound around the two hoisting mechanisms at the bottom of the rack and correspondingly fastened and connected with the rope end fixing device; the lifting mechanism comprises a fixed pulley block, a movable pulley block and a lifting appliance, wherein the fixed pulley block comprises a fixed pulley bracket, a fixed pulley, a toothed pulley sheet, a pinion and a pinion bracket; the invention effectively solves the problems of difficult leveling of the lifting point of the existing yacht hoisting equipment and extremely inconvenient operation.
Description
Technical Field
The invention relates to the technical field of yacht hoisting equipment, in particular to a lifting point automatic leveling device.
Background
As is known, china has nine ten thousand lakes, six thousand and five hundred islands, and ten thousand and eight kilometers coastline, has natural geographical conditions for yacht consumption, continues to build considerable yacht clubs in many places, and is growing up rapidly with leisure economy; in the past years, the development of the manufacturing industry of the Chinese yacht is the most fierce period, and the manufacturing enterprises of the Chinese yacht mainly concentrate on Shenzhen, Shanghai, Zhuhai and other places; from the consumption level of both Chinese and foreign people, the yacht industry in China can be said to be on a starting line, and the development space is huge; relevant plans of the yacht industry are made in various east coastal provinces such as Shanghai, Shandong, Fujian, Liaoning, Zhejiang and Guangdong, a large amount of water areas are expected to be released, and supporting facilities are gradually brought up;
the yacht carrying crane is used as important hoisting equipment for overhauling and transferring yachts, particularly large yachts, and enters a high-speed development period along with the development of the yacht industry in China, so that the yacht carrying crane can adapt to different road conditions under the condition of protecting the yachts to the maximum extent and hoist the yachts to a specified position; present yacht hangs and lays a plurality of hoisting points above the yacht more, every hoisting point corresponds a movable pulley group, it lifts by crane through the hoist engine, but movable pulley group generally rises earlier near the movable pulley group of hoist engine under the no-load condition, wait that the movable pulley group near the hoist engine rises to adjacent movable pulley group just begins to rise when extreme position, only can rise in step under the heavy load condition, consequently need artifical supplementary just can each hoisting point leveling under the no-load condition, the operation is extremely inconvenient, and the security performance is lower, how to make it have better maneuverability and security be the problem of waiting to solve urgently.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses an automatic leveling device for a lifting point.
In order to achieve the purpose, the invention adopts the following technical scheme:
a lifting point automatic leveling device comprises a winch, a lifting mechanism, a rack, a bend wheel and a rope end fixing device; one end of the bottom of the rack is provided with a bend wheel, the other end of the bottom of the rack is provided with a rope head fixing device, and two groups of hoisting mechanisms are arranged at the bottom of the rack corresponding to the position between the bend wheel and the rope head fixing device at intervals; the winch is positioned below the bend wheels and correspondingly fastened and connected with the ground, and a steel wire rope of the winch is bent by the bend wheels and sequentially wound around the two groups of hoisting mechanisms at the bottom of the rack and then correspondingly fastened and connected with the rope head fixing device;
the lifting mechanism comprises a fixed pulley block, a movable pulley block and a lifting appliance, the fixed pulley block comprises a fixed pulley support, a fixed pulley, a toothed pulley sheet, a pinion and a pinion support, the fixed pulley support is of a cross structure, the top of the fixed pulley support is correspondingly hinged with the rack, wheel shafts are arranged in two ends of a horizontal rack body of the fixed pulley support, a plurality of fixed pulleys are rotationally connected to shaft bodies of the wheel shafts at intervals, and one ends of the fixed pulleys are fixedly connected with the toothed pulley sheet; two sides of the bottom of the fixed pulley support are respectively hinged with one end of two small gear supports, the other ends of the two small gear supports are respectively hinged with one end of two telescopic rods, the other ends of the telescopic rods are correspondingly hinged with the corresponding end parts of the horizontal frame body of the pulley support, the middle part of each small gear support is rotatably connected with a rotating shaft which is correspondingly parallel to a wheel shaft, and small gears which can be correspondingly meshed with the corresponding toothed pulley pieces are arranged at the positions of the shaft body of the rotating shaft, which correspond to the toothed pulley pieces; the lower part of the fixed pulley block is connected with a movable pulley block correspondingly matched with the fixed pulley block through a steel wire rope of the winch, the steel wire rope of the winch enters the rope from one side of the fixed pulley block and exits the rope from the other side of the fixed pulley block, and the bottom of the movable pulley block is provided with a lifting appliance.
Preferably, the one end central point of pinion puts and is equipped with annular boss, annular boss's outer fringe face interval ring is equipped with a plurality of bar holes, the threaded pin is installed to the position that the pivot corresponds the bar hole.
Preferably, the position of the shaft body of the rotating shaft corresponding to the pinion is sleeved with a torsion spring used for enabling the threaded pin to be located in the middle of the corresponding strip-shaped hole, one end of the torsion spring corresponds to the end face of the pinion and is fixedly connected with the end face of the pinion, and the other end of the torsion spring corresponds to the shaft body of the rotating shaft and is fixedly connected with the shaft body of the rotating shaft.
Preferably, the addendum of the pinion is arc-shaped.
Preferably, the lifting appliance comprises a balance rod I, a balance rod II and a hanging strip, the middle position of the rod body of the balance rod I is correspondingly hinged to the middle position of the bottom of the movable pulley block, the balance rod II is arranged at the bottoms of the two ends of the balance rod I, the middle position of the rod body of the balance rod II is correspondingly hinged to the corresponding end of the balance rod I, and the hanging strip is arranged at each of the two ends of the balance rod II.
Preferably, the rope end fixing device comprises a U-shaped fixing frame, a pin shaft and a connecting block, the closed end of the U-shaped fixing frame is correspondingly and fixedly connected with the frame, the open end of the U-shaped fixing frame is connected with one end of the connecting block through the pin shaft, and the other end of the connecting block is correspondingly and fixedly connected with the rope end of the winch steel wire rope.
Preferably, the position of the pin shaft body corresponding to the connecting block is provided with an annular bulge, the outer edge surface of the annular bulge is a spherical surface, and the position of the connecting block corresponding to the annular bulge is nested with a ring sleeve correspondingly matched with the annular bulge.
Preferably, the fixed pulley is correspondingly and rotatably connected with the wheel shaft through a bearing.
Preferably, the axle body between two adjacent fixed pulleys corresponding to the axle is sleeved with a spacer bush.
Preferably, the telescopic rod is an electric push rod.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the automatic leveling device for the lifting point disclosed by the invention has the advantages that the structure is simple, the assembly is easy, the production cost is low, the telescopic rod of the lifting mechanism is controlled to be shortened, and the corresponding pinion is meshed with the pulley piece with the teeth, so that the rope inlet speed and the rope outlet speed of the corresponding fixed pulley block are consistent, the corresponding lifting appliance is prevented from rising, the purpose of leveling the lifting point is achieved, and the operation is simple and convenient; an annular boss is arranged at the center of one end of the pinion, a plurality of strip-shaped holes are annularly formed in the outer edge surface of the annular boss at intervals, and a threaded pin is arranged at the position, corresponding to the strip-shaped holes, of the rotating shaft, namely the pinion can rotate for a certain angle along the strip-shaped holes, so that the pinion is conveniently meshed with the toothed pulley piece, and the tooth crest of the pinion and the tooth crest of the toothed pulley piece are prevented from being accidentally jacked;
the position of the shaft body of the rotating shaft, which corresponds to the pinion, is sleeved with a torsion spring used for enabling the threaded pin to be positioned in the middle of the corresponding strip-shaped hole, one end of the torsion spring is correspondingly and fixedly connected with the end face of the pinion, and the other end of the torsion spring is correspondingly and fixedly connected with the shaft body of the rotating shaft, namely, the pinion can be automatically reset after being separated from the toothed pulley sheet through the torsion spring, and the situation that the threaded pin is positioned at the end part of the strip-shaped hole so that the pinion loses the automatic adjustment function is avoided; the addendum of the pinion is arc-shaped, so that the accidental top-locking of the addendum of the pinion and the addendum of the toothed pulley sheet is further avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a fixed pulley block;
FIG. 3 is a side view of the set of crown blocks;
FIG. 4 is a schematic view of a pinion gear configuration;
FIG. 5 is a side view of the pinion gear;
FIG. 6 is a schematic structural view of the rope end fixing device;
fig. 7 is a schematic structural view of a spreader;
fig. 8 is a schematic rope winding diagram of a winch wire rope.
In the figure: 1. a winch; 2. a fixed pulley block; 2-1, a fixed pulley bracket; 2-2, a fixed pulley; 2-3, a pulley sheet with teeth; 2-4, pinion; 2-5, pinion carrier; 2-6, wheel axle; 2-7, a telescopic rod; 2-8, a rotating shaft; 2-9, annular boss; 2-10 of strip-shaped holes; 2-11, a threaded pin; 2-12, a torsion spring; 2-13, spacer bush; 3. a frame; 4. a direction-changing wheel; 5. a rope end fixing device; 5-1, a U-shaped fixing frame; 5-2, a pin shaft; 5-3, connecting blocks; 5-4, annular bulge; 5-5, sleeving a ring; 6. a movable pulley block; 7. a spreader; 7-1, a balancing pole I; 7-2, a balancing pole II; 7-3, a sling.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
With reference to the attached drawings 1-8, the automatic lifting point leveling device comprises a winch 1, a lifting mechanism, a rack 3, a bend wheel 4 and a rope end fixing device 5; one end of the bottom of the rack 3 is provided with a bend wheel 4, the other end of the bottom of the rack 3 is provided with a rope head fixing device 5, and two groups of hoisting mechanisms are arranged at the bottom of the rack 3 at intervals corresponding to the position between the bend wheel 4 and the rope head fixing device 5; according to the requirement, one of the two groups of hoisting mechanisms is positioned at the head end of the yacht, and the other group of hoisting mechanisms is positioned at the tail end of the yacht; the winch 1 is positioned below the bend wheel 4 and correspondingly fastened and connected with the ground, and a steel wire rope of the winch 1 is bent by the bend wheel 4 and sequentially wound around a hoisting mechanism at the bottom of the rack 3 and then correspondingly fastened and connected with the rope head fixing device 5; according to the requirement, the rope end fixing device 5 comprises a U-shaped fixing frame 5-1, a pin shaft 5-2 and a connecting block 5-3, the closed end of the U-shaped fixing frame 5-1 is correspondingly and fixedly connected with the frame 3, the open end of the U-shaped fixing frame 5-1 is connected with one end of the connecting block 5-3 through the pin shaft 5-2, the other end of the connecting block 5-3 is correspondingly and fixedly connected with the rope end of the steel wire rope of the winch 1, the position of the shaft body of the pin shaft 5-2, which corresponds to the connecting block 5-3, is provided with an annular bulge 5-4, the outer edge surface of the annular bulge 5-4 is a spherical surface, the position of the connecting block 5-3, which corresponds to the annular bulge 5-4, is nested with a ring sleeve 5-5 which is correspondingly matched with the annular bulge 5-4, namely, the posture of the connecting block 5-3 can be flexibly adjusted through, the premature fatigue fracture of the rope end of the steel wire rope of the winch 1 is avoided;
the lifting mechanism comprises a fixed pulley block 2, a movable pulley block 6 and a lifting appliance 7, wherein the fixed pulley block 2 comprises a fixed pulley support 2-1, a fixed pulley 2-2, a toothed pulley piece 2-3, a pinion 2-4 and a pinion support 2-5, the fixed pulley support 2-1 is of a cross structure, the top of the fixed pulley support 2-1 is correspondingly hinged with the rack 3, wheel shafts 2-6 are arranged in two ends of a horizontal frame body of the fixed pulley support 2-1, and a plurality of fixed pulleys 2-2 are rotationally connected to shaft bodies of the wheel shafts 2-6 at intervals; according to the requirement, the fixed pulley 2-2 is correspondingly and rotatably connected with the wheel shaft 2-6 through a bearing, so that the friction force between the fixed pulley 2-2 and the wheel shaft 2-6 can be effectively reduced, and the stability of the lifting operation is improved; the shaft bodies of the wheel shafts 2-6, which correspond to the space between the two adjacent fixed pulleys 2-2, are respectively sleeved with a spacer bush 2-13, so that the interference influence of the two adjacent fixed pulleys 2-2 can be effectively avoided; one end of the fixed pulley 2-2 is fixedly connected with a pulley sheet 2-3 with teeth; two sides of the bottom of the fixed pulley support 2-1 are respectively hinged with one end of two small gear supports 2-5, the other ends of the two small gear supports 2-5 are respectively hinged with one end of two telescopic rods 2-7, and the other ends of the telescopic rods 2-7 are correspondingly hinged with the corresponding end parts of the horizontal support body of the pulley support 2-1; according to the requirement, the telescopic rods 2-7 are electric push rods, so that the structure is simple and the operation is convenient; the middle part of the pinion bracket 2-5 is rotationally connected with a rotating shaft 2-8 which is correspondingly parallel to the wheel shaft 2-6, and the positions of the shaft bodies of the rotating shaft 2-8, which correspond to the toothed pulley sheets 2-3, are all provided with pinions 2-4 which can be correspondingly meshed with the corresponding toothed pulley sheets 2-3; according to the requirement, an annular boss 2-9 is arranged at the center of one end of the pinion 2-4, a plurality of strip-shaped holes 2-10 are annularly arranged on the outer edge surface of the annular boss 2-9 at intervals, and a threaded pin 2-11 is arranged at the position, corresponding to the strip-shaped holes 2-10, of the rotating shaft 2-8, namely the pinion 2-4 can rotate for a certain angle along the strip-shaped holes 2-10, so that the pinion 2-4 is conveniently meshed with the toothed pulley piece 2-3, and the tooth crest of the pinion 2-4 is prevented from being accidentally jacked up with the tooth crest of the toothed pulley piece 2-3; the position of the shaft body of the rotating shaft 2-8, corresponding to the pinion 2-4, is sleeved with a torsion spring 2-12 used for enabling a threaded pin 2-11 to be located in the middle of a corresponding strip-shaped hole 2-10, one end of the torsion spring 2-12 is correspondingly and tightly connected with the end face of the pinion 2-4, and the other end of the torsion spring 2-12 is correspondingly and tightly connected with the shaft body of the rotating shaft 2-8, so that the pinion 2-4 can be automatically reset after being disengaged from a toothed pulley piece 2-3 through the torsion spring 2-12, and the threaded pin 2-11 is prevented from being located at the end of the strip-shaped hole 2-10, and the pinion 2-4 is prevented from losing the automatic adjustment function; the addendum of the pinion 2-4 is arc-shaped, so that the accidental top-up of the addendum of the pinion 2-4 and the addendum of the toothed pulley piece 2-3 is further avoided;
the lower part of the fixed pulley block 2 is connected with a movable pulley block 6 correspondingly matched with the fixed pulley block 2 through a steel wire rope of a winch 1, the steel wire rope of the winch 1 is led in from one side of the fixed pulley block 2 and led out from the other side of the fixed pulley block 2, the bottom of the movable pulley block 6 is provided with a lifting appliance 7, namely, when the yacht is lifted, a group of telescopic rods 2-7 of a lifting mechanism can be shortened firstly to drive corresponding pinion supports 2-5 to move upwards until corresponding pinions 2-4 are correspondingly meshed with toothed pulley pieces 2-3, the winch 1 is started, the rotating speeds of the corresponding fixed pulleys 2-2 are equal due to the corresponding meshing of the pinions 2-4 and the toothed pulley pieces 2-3, namely, the rope inlet speed and the rope outlet speed of the corresponding fixed pulley block 2 are consistent, so that the corresponding movable pulley block 6 does not lift, and the movable pulley block 6 of the other group of the lifting mechanism drives the corresponding lifting appliance 7 to, until the lifting appliance 7 contacts with the hull of the yacht and bears a certain load, then closing the winch 1, controlling the shortened telescopic rods 2-7 to reset, controlling the telescopic rods 2-7 of a group of lifting mechanisms bearing the load to shorten until the corresponding pinions 2-4 are correspondingly meshed with the toothed pulley pieces 2-3, then starting the winch 1, similarly, enabling the lifting appliance 7 of the no-load lifting mechanism to ascend until the no-load lifting appliance 7 contacts with the hull of the yacht and bears a certain load, simultaneously ensuring that the yacht is in a horizontal state, closing the winch 1 again, controlling the shortened telescopic rods 2-7 to reset, and starting the winch 1 to carry out the integral lifting operation of the yacht; in addition, the lifting appliance 7 comprises a balance bar I7-1, a balance bar II 7-2 and hanging straps 7-3, the middle position of the bar body of the balance bar I7-1 is correspondingly hinged with the middle position of the bottom of the movable pulley block 6, the bottom of each of two ends of the balance bar I7-1 is provided with the balance bar II 7-2, the middle position of the bar body of the balance bar II 7-2 is correspondingly hinged with the corresponding end of the balance bar I7-1, the hanging straps 7-3 are arranged at two ends of the balance bar II 7-2, namely, a yacht body can be bound through the hanging straps 7-3, and the automatic adjusting capacity of the lifting appliance 7 is improved through the balance bar I7-1 and the balance bar II 7-2.
When the automatic leveling device of the lifting point is implemented, when a yacht is lifted, the telescopic rods 2-7 of a group of lifting mechanisms can be shortened to drive the corresponding pinion brackets 2-5 to move upwards until the corresponding pinions 2-4 are correspondingly meshed with the toothed pulley sheets 2-3, the winch 1 is started, the rotating speeds of the corresponding fixed pulleys 2-2 are equal due to the corresponding meshing of the pinions 2-4 and the toothed pulley sheets 2-3, namely the rope inlet speed and the rope outlet speed of the fixed pulley block 2 are consistent, so that the corresponding movable pulley block 6 is not lifted, the movable pulley block 6 of the other group of lifting mechanisms drives the corresponding lifting appliance 7 to lift until the lifting appliance 7 is contacted with the yacht hull and bears a certain load, then the winch 1 is closed, the shortened telescopic rods 2-7 are controlled to reset, and the telescopic rods 2-7 bearing the load of the group of lifting mechanisms are controlled to be shortened, until the corresponding pinion 2-4 is correspondingly meshed with the pulley piece 2-3 with the teeth, then the winch 1 is started, the lifting appliance 7 of the no-load lifting mechanism is lifted up in the same way until the no-load lifting appliance 7 is contacted with the hull of the yacht and bears a certain load, the yacht is ensured to be in a horizontal state at the same time, the winch 1 is closed again, the shortened telescopic rods 2-7 are controlled to reset, the winch 1 can be started to carry out the integral lifting operation of the yacht, and the telescopic rods 2-7 are not allowed to be operated in the integral lifting operation process of the yacht.
The present invention is not described in detail in the prior art.
Claims (10)
1. The utility model provides a hoisting point automatic leveling device, contains hoist engine (1), characterized by: the rope fixing device also comprises a hoisting mechanism, a rack (3), a bend wheel (4) and a rope end fixing device (5); one end of the bottom of the rack (3) is provided with a bend wheel (4), the other end of the bottom of the rack is provided with a rope end fixing device (5), and two groups of hoisting mechanisms are arranged at the bottom of the rack (3) at intervals corresponding to the position between the bend wheel (4) and the rope end fixing device (5); the winch (1) is positioned below the bend wheel (4) and correspondingly and fixedly connected with the ground, and a steel wire rope of the winch (1) is bent by the bend wheel (4) and sequentially wound around two groups of hoisting mechanisms at the bottom of the rack (3) and then correspondingly and fixedly connected with the rope head fixing device (5);
the lifting mechanism comprises a fixed pulley block (2), a movable pulley block (6) and a lifting appliance (7), the fixed pulley block (2) comprises a fixed pulley support (2-1), a fixed pulley (2-2), a toothed pulley sheet (2-3), a pinion (2-4) and a pinion support (2-5), the fixed pulley support (2-1) is of a cross structure, the top of the fixed pulley support (2-1) is correspondingly hinged with the rack (3), wheel shafts (2-6) are arranged in two ends of a horizontal rack body of the fixed pulley support (2-1), shaft bodies of the wheel shafts (2-6) are connected with the fixed pulleys (2-2) in a rotating mode at intervals, and one end of the fixed pulley (2-2) is fixedly connected with the toothed pulley sheet (2-3); two sides of the bottom of the fixed pulley support (2-1) are respectively hinged with one end of two pinion supports (2-5), the other ends of the two pinion supports (2-5) are respectively hinged with one end of two telescopic rods (2-7), the other ends of the telescopic rods (2-7) are correspondingly hinged with the corresponding end parts of the horizontal frame body of the pulley support (2-1), the middle part of each pinion support (2-5) is rotatably connected with a rotating shaft (2-8) which is correspondingly parallel to a wheel shaft (2-6), and pinions (2-4) which can be correspondingly meshed with the corresponding toothed pulley piece (2-3) are arranged at positions of the shaft body of the rotating shaft (2-8) corresponding to the toothed pulley piece (2-3); the lower part of the fixed pulley block (2) is connected with a movable pulley block (6) correspondingly matched with the fixed pulley block (2) through a steel wire rope of the winch (1), the steel wire rope of the winch (1) enters a rope from one side of the fixed pulley block (2) and exits the rope from the other side of the fixed pulley block (2), and a lifting appliance (7) is arranged at the bottom of the movable pulley block (6).
2. The automatic leveling device of a suspension point as claimed in claim 1, wherein: the one end central point of pinion (2-4) puts and is equipped with annular boss (2-9), the outer fringe face space ring of annular boss (2-9) is equipped with a plurality of bar holes (2-10), threaded pin (2-11) are installed to the position that pivot (2-8) correspond bar hole (2-10).
3. The automatic leveling device for a suspension point as claimed in claim 2, wherein: the position of the shaft body of the rotating shaft (2-8) corresponding to the pinion (2-4) is sleeved with a torsion spring (2-12) used for enabling the threaded pin (2-11) to be located in the middle of the corresponding strip-shaped hole (2-10), one end of the torsion spring (2-12) is correspondingly and fixedly connected with the end face of the pinion (2-4), and the other end of the torsion spring (2-12) is correspondingly and fixedly connected with the shaft body of the rotating shaft (2-8).
4. The automatic leveling device of a suspension point as claimed in claim 1, wherein: the addendum of the pinion (2-4) is arc-shaped.
5. The automatic leveling device of a suspension point as claimed in claim 1, wherein: the lifting appliance (7) comprises a balance rod I (7-1), a balance rod II (7-2) and lifting straps (7-3), the middle position of a rod body of the balance rod I (7-1) is correspondingly hinged with the middle position of the bottom of the movable pulley block (6), the balance rod II (7-2) is arranged at the bottoms of the two ends of the balance rod I (7-1), the middle position of the rod body of the balance rod II (7-2) is correspondingly hinged with the corresponding end of the balance rod I (7-1), and the lifting straps (7-3) are arranged at the two ends of the balance rod II (7-2).
6. The automatic leveling device of a suspension point as claimed in claim 1, wherein: the rope end fixing device (5) comprises a U-shaped fixing frame (5-1), a pin shaft (5-2) and a connecting block (5-3), the closed end of the U-shaped fixing frame (5-1) is correspondingly and fixedly connected with the rack (3), the open end of the U-shaped fixing frame (5-1) is connected with one end of the connecting block (5-3) through the pin shaft (5-2), and the other end of the connecting block (5-3) is correspondingly and fixedly connected with the rope end of a steel wire rope of the winch (1).
7. The automatic leveling device for a suspension point of claim 6, wherein: the position of the shaft body of the pin shaft (5-2) corresponding to the connecting block (5-3) is provided with an annular bulge (5-4), the outer edge surface of the annular bulge (5-4) is a spherical surface, and the position of the connecting block (5-3) corresponding to the annular bulge (5-4) is nested with a ring sleeve (5-5) correspondingly matched with the annular bulge (5-4).
8. The automatic leveling device of a suspension point as claimed in claim 1, wherein: the fixed pulley (2-2) is correspondingly and rotatably connected with the wheel shaft (2-6) through a bearing.
9. The automatic leveling device of a suspension point as claimed in claim 1, wherein: the wheel shafts (2-6) are sleeved with spacer bushes (2-13) corresponding to the shaft bodies between two adjacent fixed pulleys (2-2).
10. The automatic leveling device of a suspension point as claimed in claim 1, wherein: the telescopic rods (2-7) are electric push rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011023161.4A CN112047240A (en) | 2020-09-25 | 2020-09-25 | Automatic leveling device for lifting point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011023161.4A CN112047240A (en) | 2020-09-25 | 2020-09-25 | Automatic leveling device for lifting point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112047240A true CN112047240A (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011023161.4A Pending CN112047240A (en) | 2020-09-25 | 2020-09-25 | Automatic leveling device for lifting point |
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| CN (1) | CN112047240A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115924732A (en) * | 2023-03-10 | 2023-04-07 | 河南科特尔机械制造有限公司 | Roasting clamp crown block unit |
| CN116768048A (en) * | 2023-08-28 | 2023-09-19 | 江苏亦然智能科技有限公司 | Balanced jib machine of accurate automatic positioning |
-
2020
- 2020-09-25 CN CN202011023161.4A patent/CN112047240A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115924732A (en) * | 2023-03-10 | 2023-04-07 | 河南科特尔机械制造有限公司 | Roasting clamp crown block unit |
| CN116768048A (en) * | 2023-08-28 | 2023-09-19 | 江苏亦然智能科技有限公司 | Balanced jib machine of accurate automatic positioning |
| CN116768048B (en) * | 2023-08-28 | 2023-10-17 | 江苏亦然智能科技有限公司 | Balanced jib machine of accurate automatic positioning |
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