CN110255411B - Chain type electric hoist - Google Patents
Chain type electric hoist Download PDFInfo
- Publication number
- CN110255411B CN110255411B CN201910562952.5A CN201910562952A CN110255411B CN 110255411 B CN110255411 B CN 110255411B CN 201910562952 A CN201910562952 A CN 201910562952A CN 110255411 B CN110255411 B CN 110255411B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- rod
- limiting
- supporting
- chain
- 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.)
- Active
Links
Images
Classifications
-
- 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
- B66C1/14—Slings with hooks
-
- 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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
-
- 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
-
- 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
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0125—Motor operated winches
- B66D2700/0141—Electrically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0183—Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum
Abstract
The invention relates to the field of electric hoists, in particular to a chain type electric hoist, which comprises an electric hoist body, a power line, a transmission chain, a height adjusting structure, a supporting structure, a limiting structure and three guide structures, wherein the power line is arranged on the electric hoist body; the supporting structure is provided with the limiting structure for fixing the hanging strip, so that the opening and closing of the limiting structure can be controlled conveniently through the weight of the hoisted pipeline, the hanging strip and the limiting structure can be fixed conveniently before the pipeline is hoisted, the hanging strip is limited by the weight of the pipeline after the pipeline is hoisted, the hanging strip and the limiting structure are effectively prevented from slipping, the mounting and dismounting efficiency and the quality of the hanging strip and the limiting structure are improved, and the hoisting efficiency of the pipeline is improved; be equipped with on the bearing structure and be used for carrying out spacing altitude mixture control structure to the driving chain, and then be convenient for adjust the position of bearing structure on the driving chain through altitude mixture control structure, avoided the driving chain of rolling up again after the driving chain stretches out the electric block body, and then reduced the waste of electric energy, and improved operating efficiency.
Description
Technical Field
The invention relates to the field of electric hoists, in particular to a chain type electric hoist.
Background
The electric hoist is a special hoisting device, is arranged on a crown block and a gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, is used for industrial and mining enterprises, storage and wharfs, has compact structure, adopts a worm gear transmission device for the electric hoist with the motor axis vertical to the reel axis, and is mainly divided into a ring chain electric hoist, a steel wire rope electric hoist (explosion-proof hoist), an anticorrosion electric hoist, a double-reel electric hoist, a winch, a miniature electric hoist, a group-hanging electric hoist and a multifunctional hoist.
However, when the driven chain electric block is used for hoisting a large-scale winding pipe between winding pipe workshops, when one-man operation is performed, the height adjustment precision of the hook at the bottom end of the ring chain is poor from the pipeline, especially when a beginner uses the chain electric block, the controller can not be operated by one hand, the hook can be held between the hands by the other hand and fixed with the hook and the hanging strip on the pipeline, the distance between the hook at the bottom end of the reciprocating adjusting ring chain and the pipeline is reduced, the waste of electric energy is caused, the carrying efficiency and the quality of the pipeline are influenced, meanwhile, the hook is easy to slip from the hanging strip in the hoisting process, when the hook with the pressing sheet is used, the hook is not convenient to fix the hook and the hanging.
Disclosure of Invention
The invention provides a chain type electric hoist aiming at the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a chain type electric hoist comprises an electric hoist body, a power line, a transmission chain, a height adjusting structure, a supporting structure, a limiting structure and three guide structures, wherein the power line which is electrically connected is arranged on the side wall of the electric hoist body; one end of the transmission chain for transmission is wound inside the electric hoist body, the other end of the transmission chain is fixed on the supporting structure through the height adjusting structure, and the height adjusting structure is detachably connected with the supporting structure; the inside of the supporting structure is provided with three guide structures for guiding the transmission chain; the bottom end of the supporting structure is provided with a limiting structure used for fixing the hanging strip, and the limiting structure is detachably connected with the supporting structure.
Specifically, the supporting structure comprises a cover plate, a supporting sleeve and a through hole, the transmission chain penetrates through the supporting sleeve, the cover plate is connected with the supporting sleeve through a bolt, the through hole of an L-shaped structure is formed in the supporting sleeve, and the transmission chain penetrates through the through hole.
Specifically, the guide structure comprises a guide shaft and a guide sleeve, the guide shaft is arranged between the support sleeve and the cover plate, the guide shaft is rotatably connected with the support sleeve, the guide shaft is connected with the guide sleeve in a penetrating manner, and the guide sleeve with the diameter gradually reduced from two ends to the middle is rotatably connected with the support sleeve through the guide shaft.
Specifically, the limiting structure comprises a hook, a limiting rod, a rotating shaft, a third reset spring, a sliding rod, a piston, a storage sleeve and a storage chamber, wherein the rotating shaft is connected with the limiting rod and the cover plate in a penetrating way, the limiting rod is connected with the support sleeve through the rotating shaft in a rotating way, the support sleeve is provided with the hook in a sliding connection way, the support sleeve between the hook and the rotating shaft is provided with the storage sleeve, the storage chamber with a U-shaped structure is arranged inside the storage sleeve, the two sliding rods are respectively arranged at two ends of the storage chamber, the sliding rods are connected with the storage sleeve in a sliding way, the bottom end of each sliding rod is provided with the piston for sealing the storage chamber, one sliding rod is fixed on the hook, the other sliding rod is abutted against the limiting rod, one end of the third reset spring is abutted against the limiting rod, the other end of the third return spring is abutted against the support sleeve.
Specifically, the height adjusting structure comprises a pull ring, a sleeve, a limiting frame, a driving rod, a positioning rod, a connecting rod, a first return spring, a limiting block and a second return spring, the sleeve is fixed on the cover plate, the positioning rod is connected with the cover plate in a penetrating manner and extends to the support sleeve from the transmission chain, the end part of the cross section of the positioning rod is triangular, the driving rod is fixed on the positioning rod, the driving rod penetrates through the cover plate and the sleeve, the driving rod is connected with the sleeve in a sliding manner, the pull ring is connected with the driving rod in a sliding manner, one end of the second return spring abuts against the support sleeve, the other end of the second return spring abuts against the cover plate, the driving rod penetrates through the second return spring, the limiting blocks are respectively arranged in the cover plate and the support sleeve, and the end part of the cross section of the limiting block, one end of the connecting rod is fixed in the hook, the other end of the connecting rod is fixed in the limiting block, the limiting frame of the U-shaped structure is fixed in the limiting block, the limiting block is provided with the first reset spring and the second reset spring, the first reset spring deviates from one end of the limiting block respectively abuts against the cover plate and the supporting sleeve.
Specifically, the side wall of the support sleeve is provided with a hanging rod with an arc-shaped structure.
The invention has the beneficial effects that:
(1) according to the chain type electric hoist, the limiting structure for fixing the hanging strip is arranged on the supporting structure, so that the opening and closing of the limiting structure can be controlled conveniently through the weight of a hoisted pipeline, the hanging strip and the limiting structure can be fixed conveniently before the pipeline is hoisted, the hanging strip is limited by the weight of the pipeline after the pipeline is hoisted, the hanging strip and the limiting structure are effectively prevented from slipping, the mounting and dismounting efficiency and the mounting and dismounting quality of the hanging strip and the limiting structure are greatly improved, and the hoisting efficiency of the pipeline is improved.
(2) According to the chain type electric hoist, the supporting structure is provided with the height adjusting structure for limiting the transmission chain, so that the position of the supporting structure on the transmission chain can be conveniently adjusted through the height adjusting structure, the transmission chain is prevented from being reeled again after the transmission chain extends out of the electric hoist body, the waste of electric energy is reduced, the operation efficiency is improved, the pipeline hoisting efficiency is higher, meanwhile, the height adjusting structure is convenient to reset, the height adjusting structure is limited by the weight of the pipeline, the height adjusting structure is effectively prevented from slipping off the transmission chain, and the stability between the transmission chain and the height adjusting structure is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic overall structure diagram of a chain type electric hoist according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure between the support structure and the position-limiting structure shown in FIG. 1;
FIG. 3 is a schematic view of the connection structure of the height adjustment structure and the support structure shown in FIG. 2;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a schematic view of a connection structure of the height adjusting structure and the support sleeve shown in fig. 3.
In the figure: 1. electric block body, 2, the power cord, 3, the driving chain, 4, the height adjustment structure, 41, the pull ring, 42, the sleeve, 43, spacing frame, 44, the actuating lever, 45, the locating lever, 46, the connecting rod, 47, first reset spring, 48, the stopper, 49, second reset spring, 5, bearing structure, 51, the apron, 52, support the cover, 53, the through-hole, 6, the peg, 7, limit structure, 71, the couple, 72, the gag lever post, 73, the pivot, 74, third reset spring, 75, the slide bar, 76, the piston, 77, the storage cover, 78, the locker room, 8, guide structure, 81, the guiding axle, 82, the uide bushing.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the chain-type electric hoist according to the present invention includes an electric hoist body 1, a power cord 2, a transmission chain 3, a height adjusting structure 4, a supporting structure 5, a limiting structure 7, and three guiding structures 8, wherein the power cord 2 electrically connected to the side wall of the electric hoist body 1 is disposed; one end of the transmission chain 3 for transmission is wound inside the electric hoist body 1, the other end of the transmission chain 3 is fixed on the supporting structure 5 through the height adjusting structure 4, and the height adjusting structure 4 is detachably connected with the supporting structure 5; the inside of the supporting structure 5 is provided with three guide structures 8 for guiding the transmission chain 3; the limiting structure 7 for fixing the hanging strip is arranged at the bottom end of the supporting structure 5, and the limiting structure 7 is detachably connected with the supporting structure 5; the limiting structure 7 for fixing the hanging strip is arranged on the supporting structure 5, so that the opening and closing of the limiting structure 7 can be controlled conveniently through the weight of a lifted pipeline, the hanging strip and the limiting structure 7 can be fixed conveniently before the pipeline is lifted, the hanging strip is limited by the weight of the pipeline after the pipeline is lifted, the hanging strip is effectively prevented from slipping off from the limiting structure 7, the mounting and dismounting efficiency and the mounting and dismounting quality of the hanging strip and the limiting structure 7 are greatly improved, and the lifting efficiency of the pipeline is improved; it is right to be equipped with on bearing structure 5 drive chain 3 carry on spacingly altitude mixture control structure 4, and then be convenient for pass through altitude mixture control structure 4 is adjusted bearing structure 5 is in position on the drive chain 3, and then avoided drive chain 3 stretches out the re-roll-up behind the electric block body 1 drive chain 3, and then reduced the waste of electric energy, and improved operating efficiency, pipeline hoist and mount efficiency is higher, simultaneously altitude mixture control structure 4's use is convenient for limit structure 7 resets, limit structure 7 utilizes the weight of pipeline right altitude mixture control structure 4 carries on spacingly, the effectual prevention altitude mixture control structure 4 with drive chain 3 slippage has improved drive chain 3 with steadiness between the altitude mixture control structure 4.
Specifically, the support structure 5 includes a cover plate 51, a support sleeve 52 and a through hole 53, the transmission chain 3 penetrates through the support sleeve 52, the cover plate 51 and the support sleeve 52 are connected by a bolt, the through hole 53 with an L-shaped structure is arranged inside the support sleeve 52, and the transmission chain 3 penetrates through the through hole 53; the support sleeve 52 is connected with the cover plate 51 through bolts, so that the height adjusting structure 4 and the limiting structure 7 in the support sleeve 52 can be conveniently overhauled and maintained.
Specifically, the guide structure 8 comprises a guide shaft 81 and a guide sleeve 82, the guide shaft 81 is arranged between the support sleeve 52 and the cover plate 51, the guide shaft 81 is rotatably connected with the support sleeve 52, the guide shaft 81 is connected with the guide sleeve 82 in a penetrating manner, and the guide sleeve 82 with the diameter gradually reduced from two ends to the middle is rotatably connected with the support sleeve 52 through the guide shaft 81; when the pulling during driving chain 3, driving chain 3 is contradicted uide bushing 82, and then makes uide bushing 82 pass through guiding axle 81 with support and rotate between the cover 52 and be connected, and then effectually prevent driving chain 3 with support cover 52 friction and cause driving chain 3 damages, makes the operation convenient more nimble, simultaneously the diameter of uide bushing 82 reduces from both ends to centre gradually, and then effectually prevents driving chain 3 off tracking, and then makes the direction effect better.
Specifically, the limiting structure 7 includes a hook 71, a limiting rod 72, a rotating shaft 73, a third return spring 74, a sliding rod 75, a piston 76, a storage sleeve 77 and a storage chamber 78, the rotating shaft 73 is connected to the limiting rod 72 and the cover plate 51 in a penetrating manner, the limiting rod 72 is connected to the support sleeve 52 in a rotating manner through the rotating shaft 73, the support sleeve 52 is provided with the hook 71 in a sliding manner, the support sleeve 52 between the hook 71 and the rotating shaft 73 is provided with the storage sleeve 77, the storage chamber 78 with a U-shaped structure is arranged inside the storage sleeve 77, the two sliding rods 75 are respectively arranged at two ends of the storage chamber 78, the sliding rod 75 is connected to the storage sleeve 77 in a sliding manner, the bottom end of the sliding rod 75 is provided with the piston 76 for sealing the storage chamber 78, and one of the sliding rod 75 is fixed to the hook 71, the other sliding rod 75 abuts against the limiting rod 72, one end of the third return spring 74 abuts against the limiting rod 72, and the other end of the third return spring 74 abuts against the supporting sleeve 52; before the pipeline is hoisted, the third return spring 74 is in an extended state, the third return spring 74 abuts against the limiting rod 72, so that the limiting rod 73 is not sealed with respect to the hook 71, and therefore, the hanging belt is conveniently hung on the hook 71, when the transmission chain 3 lifts the support sleeve 52, the hook 71 is driven to be in sliding connection with the support sleeve 52 under the gravity action of the pipeline, the slide rod 75 on the hook 71 pushes the piston 76 to be in sliding connection with the storage sleeve 77, and further, the other piston 76 is pushed to be in sliding connection with the storage sleeve 77 through the gas in the storage chamber 78, so that the slide rod 75 on the piston 76 abuts against the limiting rod 72, the limiting rod 72 rotates around the rotating shaft 73, and further, the hook 71 is sealed through the limiting rod 72, and therefore, the single-hand operation is facilitated, the hanging strip is effectively prevented from being separated from the hook 71 in the hoisting process, so that the pipeline hoisting efficiency and the pipeline hoisting quality are greatly improved, and the hanging strip is a nylon hanging strip.
Specifically, the height adjusting structure 4 includes a pull ring 41, a sleeve 42, a limiting frame 43, a driving rod 44, a positioning rod 45, a connecting rod 46, a first return spring 47, a limiting block 48, and a second return spring 49, the sleeve 42 is fixed to the cover plate 51, the positioning rod 45 is connected to the cover plate 51 in a penetrating manner and extends from the transmission chain 3 to the supporting sleeve 52, the end portion of the cross section of the positioning rod 45 is triangular, the driving rod 44 is fixed to the positioning rod 45, the driving rod 44 penetrates through the cover plate 51 and the sleeve 42, the driving rod 44 is connected to the sleeve 42 in a sliding manner, the pull ring 41 is connected to the driving rod 44 in a sliding manner, one end of the second return spring 49 abuts against the supporting sleeve 52, the other end of the second return spring 49 abuts against the cover plate 51, and the driving rod 44 penetrates through the second return spring 49, the limiting blocks 48 are respectively arranged inside the cover plate 51 and the support sleeve 52, the end parts of the cross sections of the limiting blocks 48 are triangular, one end of the connecting rod 46 is fixed to the hook 71, the other end of the connecting rod 46 is fixed to the limiting block 48, the limiting frame 43 in a U-shaped structure is fixed to the limiting block 48, the limiting block 48 is provided with the first return springs 47, and one ends of the two first return springs 47 departing from the limiting block 48 are respectively abutted against the cover plate 51 and the support sleeve 52; after the transmission chain 3 extends out, the pull ring 41 is pulled according to the length of the transmission chain 3, the pull ring 41 pulls the driving rod 44 to be in sliding connection with the sleeve 42, the driving rod 44 pulls the positioning rod 45 to be separated from the supporting sleeve 52, the positioning rod 45 is abutted against the second return spring 49 to be contracted, then the transmission chain 3 is pulled, the transmission chain 3 rotates around the guide sleeve 82, then the pull ring is loosened, the second return spring 49 is abutted against the positioning rod 45, so that the positioning rod 45 is embedded into the supporting sleeve 52, the transmission chain 3 is limited through the positioning rod 45, when the hook 71 is pulled by the weight of a pipeline, the hook 71 pulls the connecting rod 46, the connecting rod 46 drives the limiting block 48 to abut against the positioning rod 45 to limit the positioning rod 45, the slipping between the transmission chain 3 and the positioning rod 45 is effectively prevented, so that the connection stability between the positioning rod 45 and the transmission chain 3 is greatly improved, the limiting block 48 drives the first reset spring 47 to extend, meanwhile, the two limiting frames 43 respectively slide between the cover plate 51 and the support sleeve 52, so that the limiting block 48 is limited, the limiting block 48 is effectively prevented from slipping off from the cover plate 51 and the support sleeve 52, after the pipeline is disassembled, the first reset spring 47 contracts, the limiting block 48 and the limiting frames 43 are driven to reset by the first reset spring 47, so that the positioning rod 45 is adjusted conveniently, the limiting block 48 drives the hook 71 to reset through the connecting rod 46, the reset effect of the limiting rod 72 is better after the hook 71 resets, and the extension of the transmission chain 3 is effectively prevented, reciprocating regulation the length of driving chain 3 has reduced the waste of electric energy, and is that the operation is convenient and fast more.
Specifically, the side wall of the support sleeve 52 is provided with a hanging rod 6 with an arc structure; the hanging rod 6 is convenient for fixing the transmission chain 3 for the second time, and further enables the storage effect of the transmission chain 3 to be better.
When the transmission chain is used, when the transmission chain 3 is pulled, the transmission chain 3 is abutted against the guide sleeve 82, so that the guide sleeve 82 is rotatably connected with the support sleeve 52 through the guide shaft 81, the transmission chain 3 is effectively prevented from being damaged due to friction between the transmission chain 3 and the support sleeve 52, the operation is more convenient and flexible, meanwhile, the diameter of the guide sleeve 82 is gradually reduced from two ends to the middle, the transmission chain 3 is effectively prevented from deviating, and the guide effect is better; before the pipeline is hoisted, the third return spring 74 is in an extension state, the third return spring 74 props against the limiting rod 72, so that the limiting rod 73 is not sealed against the hook 71, and thus facilitates the hanging of the hanging belt on the hook 71, when the driving chain 3 lifts the support sleeve 52, the hook 71 is pulled to be connected with the support sleeve 52 in a sliding way under the gravity action of the pipeline, the sliding rod 75 on the hook 71 pushes the piston 76 to be connected with the storage sleeve 77 in a sliding way, thereby pushing the other piston 76 to slide in connection with the storage sleeve 77 by the gas inside the storage chamber 78, so that the sliding rod 75 of the piston 76 abuts against the limiting rod 72, the limiting rod 72 rotates around the rotating shaft 73, the hook 71 is sealed through the limiting rod 72, so that the single-hand operation is facilitated, the hanging strip is effectively prevented from being separated from the hook 71 in the hoisting process, the pipeline hoisting efficiency is greatly improved, and the quality of the pipeline hoisting efficiency is greatly improved; when the transmission chain 3 extends out, the pull ring 41 is pulled according to the length of the transmission chain 3, the pull ring 41 pulls the sliding connection between the driving rod 44 and the sleeve 42, the driving rod 44 pulls the positioning rod 45 to separate from the supporting sleeve 52, the positioning rod 45 pushes against the second reset spring 49 to contract, then the transmission chain 3 is pulled, the transmission chain 3 rotates around the guide sleeve 82, then the pull ring is released, the second reset spring 49 pushes against the positioning rod 45, so that the positioning rod 45 is embedded into the supporting sleeve 52, the transmission chain 3 is limited through the positioning rod 45, when the hook 71 is pulled by the weight of the pipeline, the connecting rod 46 is pulled by the hook 71, the connecting rod 46 drives the limiting block 48 to push against the positioning rod 45, so as to limit the positioning rod 45, the slippage between the transmission chain 3 and the positioning rod 45 is effectively prevented, further the stability of the connection between the positioning rod 45 and, simultaneously two spacing frames 43 respectively with apron 51 with support and slide between the cover 52, and then be convenient for carry on spacingly to stopper 48, effectually prevent stopper 48 and apron 51 and support the cover 52 slippage, after the pipeline is dismantled, first reset spring 47 contracts, first reset spring 47 drives stopper 48 and spacing frame 43 and resets, and then be convenient for adjust locating lever 45, stopper 48 drives couple 71 through connecting rod 46 and resets, it is better to make gag lever post 72 reset effect after couple 71 resets, and then effectually prevent that driving chain 3 from stretching out the back, reciprocal length of adjusting driving chain 3, the waste of electric energy has been reduced, and it is convenient and fast more to operate.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A chain electric block is characterized in that: the electric hoist comprises an electric hoist body (1), a power line (2), a transmission chain (3), a height adjusting structure (4), a supporting structure (5), a limiting structure (7) and three guide structures (8), wherein the power line (2) which is electrically connected is arranged on the side wall of the electric hoist body (1); one end of the transmission chain (3) used for transmission is wound inside the electric hoist body (1), the other end of the transmission chain (3) is fixed on the supporting structure (5) through the height adjusting structure (4), and the height adjusting structure (4) is detachably connected with the supporting structure (5); three guide structures (8) for guiding the transmission chain (3) are arranged in the supporting structure (5); the bottom end of the supporting structure (5) is provided with a limiting structure (7) for fixing a hanging strip, and the limiting structure (7) is detachably connected with the supporting structure (5);
the supporting structure (5) comprises a cover plate (51), a supporting sleeve (52) and a through hole (53), the transmission chain (3) penetrates through the supporting sleeve (52), the cover plate (51) and the supporting sleeve (52) are connected through a bolt, the through hole (53) of an L-shaped structure is arranged in the supporting sleeve (52), and the transmission chain (3) penetrates through the through hole (53);
the limiting structure (7) comprises a hook (71), a limiting rod (72), a rotating shaft (73), a third reset spring (74), a sliding rod (75), a piston (76), a storage sleeve (77) and a storage chamber (78), wherein the rotating shaft (73) is connected with the limiting rod (72) and the cover plate (51) in a penetrating way, the limiting rod (72) is connected with the support sleeve (52) in a rotating way through the rotating shaft (73), the support sleeve (52) is provided with the hook (71) in a sliding connection way, the support sleeve (52) between the hook (71) and the rotating shaft (73) is provided with the storage sleeve (77), the storage chamber (78) with a U-shaped structure is arranged inside the storage chamber (77), the two sliding rods (75) are respectively arranged at two ends of the storage chamber (78), and the sliding rods (75) are connected with the storage sleeve (77) in a sliding way, the bottom of slide bar (75) is equipped with and is used for right the locker room (78) seals piston (76), one slide bar (75) are fixed in couple (71), another slide bar (75) with gag lever post (72) are contradicted, the one end of third reset spring (74) with gag lever post (72) are contradicted, the other end of third reset spring (74) with support cover (52) are contradicted.
2. The chain-type electric hoist according to claim 1, characterized in that: the guide structure (8) comprises a guide shaft (81) and a guide sleeve (82), the guide shaft (81) is arranged between the support sleeve (52) and the cover plate (51), the guide shaft (81) is rotatably connected with the support sleeve (52), the guide shaft (81) is connected with the guide sleeve (82) in a penetrating manner, and the guide sleeve (82) with the diameter gradually reduced from two ends to the middle is rotatably connected with the support sleeve (52) through the guide shaft (81).
3. The chain-type electric hoist according to claim 1, characterized in that: the height adjusting structure (4) comprises a pull ring (41), a sleeve (42), a limiting frame (43), a driving rod (44), a positioning rod (45), a connecting rod (46), a first reset spring (47), a limiting block (48) and a second reset spring (49), the sleeve (42) is fixed on the cover plate (51), the positioning rod (45) is connected with the cover plate (51) in a penetrating manner and extends from the transmission chain (3) to the supporting sleeve (52), the end part of the cross section of the positioning rod (45) is triangular, the driving rod (44) is fixed on the positioning rod (45), the driving rod (44) penetrates through the cover plate (51) and the sleeve (42), the driving rod (44) is connected with the sleeve (42) in a sliding manner, the pull ring (41) is connected with the driving rod (44) in a sliding manner, one end of the second reset spring (49) abuts against the supporting sleeve (52), the other one end of second reset spring (49) is contradicted apron (51), actuating lever (44) run through in second reset spring (49), apron (51) with the inside of supporting sleeve (52) is equipped with respectively stopper (48), the tip in the cross-section of stopper (48) is the triangle-shaped, the one end of connecting rod (46) is fixed in couple (71), the other one end of connecting rod (46) is fixed in stopper (48), the U-shaped structure stopper frame (43) are fixed in stopper (48), be equipped with on stopper (48) first reset spring (47), two first reset spring (47) deviate from the one end of stopper (48) respectively with apron (51) with support sleeve (52) and contradict.
4. The chain-type electric hoist according to claim 1, characterized in that: the side wall of the support sleeve (52) is provided with a hanging rod (6) with an arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910562952.5A CN110255411B (en) | 2019-06-26 | 2019-06-26 | Chain type electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910562952.5A CN110255411B (en) | 2019-06-26 | 2019-06-26 | Chain type electric hoist |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110255411A CN110255411A (en) | 2019-09-20 |
| CN110255411B true CN110255411B (en) | 2020-11-24 |
Family
ID=67921927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910562952.5A Active CN110255411B (en) | 2019-06-26 | 2019-06-26 | Chain type electric hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110255411B (en) |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5007617A (en) * | 1989-08-03 | 1991-04-16 | Vital Kogyo Kabushiki Kaisha | Hand-operated chain block |
| JPH0952694A (en) * | 1995-08-16 | 1997-02-25 | Toyo Kooken Kk | Winch |
| JPH10310361A (en) * | 1997-05-13 | 1998-11-24 | Nkk Corp | Automatic unhooking device for hanging hook |
| SE525839C2 (en) * | 2003-03-31 | 2005-05-10 | Frenolink Foervaltnings Ab | A chain coupling component |
| US7080824B1 (en) * | 2004-04-09 | 2006-07-25 | George & Goldberg Design Associates | Chain motor drive controller |
| US7575223B2 (en) * | 2005-03-29 | 2009-08-18 | Kito Corporation | Overload preventing apparatus in hoist |
| CN100343154C (en) * | 2005-05-01 | 2007-10-17 | 马鞍山钢铁股份有限公司 | Scissors type automatic coupling and decoupling sling |
| CN201116262Y (en) * | 2007-09-20 | 2008-09-17 | 贵阳铝镁设计研究院 | Soft hook aluminium discharging bogie deviation preventing structure |
| CN201321359Y (en) * | 2008-12-08 | 2009-10-07 | 徐州重型机械有限公司 | Wire rope anti-tripping device for hanging hook |
| JP2014001578A (en) * | 2012-06-20 | 2014-01-09 | Hory Corp | Hook of suspension chain for temporary construction |
| CN203602285U (en) * | 2013-10-24 | 2014-05-21 | 浙江五一机械有限公司 | Lever block chain tail ring |
| CN203602288U (en) * | 2013-12-10 | 2014-05-21 | 李占超 | Guide wheel for mechanical transmission of steel wire rope |
| CN204162335U (en) * | 2014-09-09 | 2015-02-18 | 科恩起重机有限公司 | Chain elevator |
| CN205892599U (en) * | 2016-06-06 | 2017-01-18 | 安吉长虹制链有限公司 | Lever block |
| CN105836650A (en) * | 2016-06-07 | 2016-08-10 | 李路 | Electric hoist with weighing function |
| KR101686202B1 (en) * | 2016-07-25 | 2016-12-13 | 주식회사 율촌 | A safety hook for hoist with automatic device of open and shut |
| CN206654675U (en) * | 2016-12-23 | 2017-11-21 | 山河智能装备股份有限公司 | A kind of suspension hook receives hook device |
| CN207497946U (en) * | 2017-11-14 | 2018-06-15 | 河北怀鸽起重机械集团有限公司 | A kind of projecting electric block for facilitating suspension |
| CN108840228A (en) * | 2018-08-28 | 2018-11-20 | 钱野 | A kind of Suspension hook structure with automatic open close safety lock |
| CN208883368U (en) * | 2018-09-05 | 2019-05-21 | 浙江手牌起重葫芦有限公司 | A kind of row chain structure of heavy duty chain block |
-
2019
- 2019-06-26 CN CN201910562952.5A patent/CN110255411B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110255411A (en) | 2019-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215974582U (en) | Assembled building wallboard hoist device | |
| CN110255411B (en) | Chain type electric hoist | |
| CN215626395U (en) | Electric hoist stable in operation | |
| CN213171204U (en) | Construction equipment hoisting device | |
| CN210064803U (en) | Simple and easy take-up is used to electric power | |
| CN213475226U (en) | Automatic change hoist protection device of hoist | |
| CN209740573U (en) | Mud digging winch with rope arrangement | |
| CN212403118U (en) | Semi-automatic lifting device for underground tank curtain | |
| CN213741059U (en) | Pile frame | |
| CN210457242U (en) | Detachable hoist engine hoist device | |
| CN211895748U (en) | Chemical machinery equipment hoist and mount maintenance device | |
| CN209852527U (en) | Anchor chain product traction guide device | |
| CN210103345U (en) | Building machinery hoist engine | |
| CN211310653U (en) | Anti-twisting rope device for climbing assistor | |
| CN216406756U (en) | Rope-type falling object salvaging device for oil field well workover operation | |
| CN117303177B (en) | Stage lifting equipment | |
| CN217173096U (en) | Hoist and hoisting accessory thereof | |
| CN219751780U (en) | Lifting device for installing pipeline in comprehensive pipe rack | |
| CN219654232U (en) | Construction hanging basket with rope twisting prevention function | |
| CN220449436U (en) | Underwater robot with cable winding and unwinding functions | |
| CN219080562U (en) | Desilting robot | |
| CN214270058U (en) | Variable-frequency loading elevator | |
| CN217996587U (en) | Hoist for PC component convenient to adjust assembly dimension | |
| CN220149096U (en) | Ship traction winch | |
| CN216807778U (en) | Hoisting device |
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: 20201102 Address after: 233600 zone B, Woyang Economic Development Zone, Bozhou City, Anhui Province Applicant after: Anhui Congxian Machinery Co., Ltd Address before: 230000 Yuan Xiyuan, Shushan District, Hefei City, Anhui Province, 9 buildings 2806 Applicant before: Xia Xiaoqing |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |