CN120157019A - A lifting device for bridge cable hoisting construction - Google Patents
A lifting device for bridge cable hoisting construction Download PDFInfo
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- CN120157019A CN120157019A CN202510639150.5A CN202510639150A CN120157019A CN 120157019 A CN120157019 A CN 120157019A CN 202510639150 A CN202510639150 A CN 202510639150A CN 120157019 A CN120157019 A CN 120157019A
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- Prior art keywords
- lifting
- cable
- frame
- movable
- fixed
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Classifications
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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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
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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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
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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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
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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
- B66C13/16—Applications of indicating, registering, or weighing devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention relates to the technical field of cable hoisting, and discloses a lifting appliance for bridge cable hoisting construction, which comprises a movable lifting bracket arranged between two cables, wherein the movable lifting bracket is provided with a plurality of groups of pulleys which are sleeved on the cables in an up-and-down sliding way, the front side and the rear side of the movable lifting bracket are connected with fixed triangular brackets, the left side and the right side are connected with traction ropes, a hoisting mechanism is arranged on the fixed tripod, the bottom end of the fixed tripod is fixedly connected with a mounting frame, a coaxial rotary drum hoisting mechanism is arranged on the mounting frame, the coaxial rotary drum hoisting mechanism is connected with a lifting hook, and a mounting frame is arranged on the bottom surface of the movable hanging frame. Compared with the prior art, the novel lifting device has the advantages that the lifting hook can be stably lifted through the coaxial rotary drum lifting mechanism, safety in lifting construction is enhanced, a function of conveying cooling liquid at high speed is realized through the internal gear pressurizing mechanism, cooling efficiency is further improved, a cable can be detected in an omnibearing manner through the cable overhauling mechanism without dead angles, and monitoring force of the cable is improved.
Description
Technical Field
The invention relates to the technical field of cable hoisting, in particular to a lifting appliance for bridge cable hoisting construction.
Background
The lifting appliance for bridge cable lifting construction is special equipment for cable lifting work in bridge construction. In bridge construction, cables are important components for bearing the dead weight and traffic load of the bridge, and hoisting and installation are needed. Certain risks exist in the construction process of hoisting the bridge cable, such as tilting, shaking and the like in the hoisting process. The special hoisting tool can provide good safety guarantee and reduce accidents.
The existing cable hoisting construction slings generally need special design and manufacture to meet the hoisting requirements, which makes the cost thereof higher. The lifting appliance for the bridge cable lifting construction needs to meet certain environmental and condition requirements, such as lifting positions, safety distances and the like, and has certain limitations in use because the existing cable lifting equipment lacks a relevant cable-directed overhaul observation mechanism while lifting the cable, so that the safety condition of the cable cannot be detected in real time during the lifting construction. In addition, for the hoisting construction of the cable, the cable maintenance mechanism must be ensured to be separated from or connected with the cable hoisting mechanism, and the existing cable hoisting is not provided with a clutch for the situation, so that when the cable is maintained, the cable maintenance mechanism possibly collides with the process of hoisting the cable, and is inconvenient.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the difficulty and providing the lifting appliance for lifting construction of the bridge cable.
The technical scheme includes that the lifting appliance for bridge cable lifting construction comprises a movable lifting frame arranged between two cables, a plurality of groups of pulleys sleeved on the cables in an up-down sliding manner are arranged on the movable lifting frame, fixed triangular frames are connected to the front side and the rear side of the movable lifting frame, traction cables are connected to the left side and the right side of the movable lifting frame, and lifting mechanisms are arranged on the fixed triangular frames;
The bottom end of the fixed tripod is fixedly connected with a mounting frame, a coaxial rotary drum hoisting mechanism is arranged on the mounting frame, the coaxial rotary drum hoisting mechanism is connected with a lifting hook, the bottom surface of the movable hanging frame is provided with a mounting frame, a first motor is arranged in the mounting frame, and the first motor is in power connection with the coaxial rotary drum hoisting mechanism and drives the lifting hook to move up and down;
The two cables are provided with cable overhauling mechanisms which are connected with the movable hanging frame through clutch mechanisms, and the cable overhauling mechanisms are connected with the movable hanging frame and fixed together or separated and independent, so that the cable overhauling mechanisms can move on the cables or move along with the movable hanging frame.
As an improvement, the coaxial rotary drum hoisting mechanism comprises a double-layer winch vertically arranged on a mounting frame in a rotating way, a rotating shaft is fixedly sleeved and clamped at the center of the double-layer winch, the top end of the rotating shaft is connected with a motor in a power transmission way, connecting frames are outwards extended at the left end and the right end of the mounting frame, wire wheels I are respectively and rotatably arranged on the connecting frames, connecting rods are arranged at the top end of the mounting frame in an extending way towards the direction of the double-layer winch, the connecting rods are positioned on the upper side of the double-layer winch, and sleeved lug plates in sliding connection with the rotating shaft are connected at the end parts of the connecting rods;
The double-layer winch is wound with a lifting hook cable, winding directions of the upper layer lifting hook cable and the lower layer lifting hook cable are opposite, the lifting hook cable is connected through winding transmission of first wire wheels on the left side and the right side, a hanging box is arranged under the installation frame, second wire wheels which are connected with the lifting hook cable in a sliding mode are arranged in the hanging box in a rotating mode, and the lifting hook is fixed at the bottom of the hanging box.
As an improvement, the diameter of the upper layer of the double-layer winch is larger than that of the lower layer, wherein the end part of the connecting frame on one side extends vertically upwards and enables the wire wheel arranged on the connecting frame to rotate to be close to the upper layer of the double-layer winch.
As an improvement, the movable hanging frame is of a double-layer plate structure, a stiffening plate is connected between the upper layer plate and the lower layer plate, and pulleys arranged on the movable hanging frame in a rotating mode are alternately distributed on the upper side and the lower side of the cable in a staggered mode.
As an improvement, cable overhauls the mechanism and establishes at two cable outlying hexagon overhauls the frame including the cover, and evenly distributed is equipped with three mounting panels on the hexagon overhauls the frame, is fixed with motor two on the mounting panel, and motor two output shafts cup joints and is fixed with double-deck sprocket, and both ends all hinge about the mounting panel is equipped with the push rod, and the flexible axle head of push rod is equipped with the connecting plate, rotates on the connecting plate to be equipped with and removes the wheel, cup joints after removing the pivot of wheel and is fixed with the sprocket after passing the connecting plate, is connected through chain drive between sprocket and the double-deck sprocket respectively in the left and right sides, is equipped with the camera that is used for the cable to overhaul on the push rod.
As an improvement, the hexagonal overhauling frame is formed by connecting left and right hexagonal frames through round pipes, and the joint of the round pipes is positioned at the corners of the hexagonal frames.
As an improvement, the bottom surface of the mounting plate is provided with a pair of first connecting lug plates, the opposite surfaces of the connecting plates at the left side and the right side are respectively provided with a second connecting lug plate, and a movable plate is hinged between the first connecting lug plates and the second connecting lug plates.
As an improvement, the movable wheels are vertically attached to the outer wall of the cable and are in friction connection, the hexagonal overhauling frames on the front side and the rear side are fixedly connected through a combination board, and a clutch mechanism connected with the movable hanging frame is arranged on the combination board.
As an improvement, the clutch mechanism comprises a pair of sleeves fixed on the bottom surface of the combined plate, a groove column is slidably arranged in the middle of each sleeve, a spiral rotating groove spiraling on the outer wall of each groove column is reserved on each groove column, a limit column in sliding connection with each spiral rotating groove is fixed on each sleeve, a telescopic column is arranged at one end, close to the movable hanging frame, of each groove column, a fixed column is arranged after each telescopic column passes through each sleeve, a fixed cylinder in rotary fit with each fixed column is arranged on the side wall of each movable hanging frame, and a telescopic spring connected between each groove column and each sleeve is arranged around the periphery of each telescopic column;
The one end that the cradle was kept away from to the grooved post is equipped with the ratch with sleeve inner wall sliding connection, is equipped with the bi-directional motor of fixing in the composite board bottom surface between the sleeve, and the output shaft at bi-directional motor both ends all is connected with the bull stick with sleeve sliding connection, cup joints after the bull stick passed the sleeve and is fixed with the gear with the ratch meshing.
As an improvement, the top surface of the combined board is provided with a distance sensor, the distance sensor is electrically connected with a second motor on the front side and the rear side of the distance sensor, and the second motor is controlled to stop working when the second motor follows the combined board to be close to the movable hanging frame.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the lifting hook can be stably lifted through the coaxial rotary drum lifting mechanism, so that the safety in lifting construction is enhanced;
2. according to the invention, the cable can be detected in an omnibearing manner without dead angles through the cable overhauling mechanism, so that the monitoring force of the cable is improved, the whole-course automation degree is higher, and the detection method is convenient and efficient;
3. according to the invention, the cable overhauling mechanism can be connected with or separated from the movable hanging frame through the clutch mechanism, so that the cable overhauling mechanism is flexible in observing and monitoring the cable in daily use, and can not collide with the cable during hanging.
Drawings
Fig. 1 is a schematic view of the appearance of the present invention.
Fig. 2 is a cross-sectional view of a portion of the components of the present invention.
Fig. 3 is an exploded view of the present invention.
Fig. 4 is a structural view of the coaxial drum hoisting mechanism of the present invention.
Fig. 5 is an exploded schematic view of the coaxial drum hoisting mechanism of the present invention.
Fig. 6 is a cross-sectional view of the coaxial drum hoist mechanism of the present invention.
Fig. 7 is a schematic view of the cable service mechanism of the present invention.
Fig. 8 is an exploded schematic view of the cable repair mechanism of the present invention.
Fig. 9 is a partial structural cross-sectional view of the cable service mechanism of the present invention.
Fig. 10 is a schematic view of the clutch mechanism of the present invention.
Fig. 11 is an exploded view of the clutch mechanism of the present invention.
Fig. 12 is a cross-sectional view of the clutch mechanism of the present invention.
Fig. 13 is a schematic view of a portion of the components of the present invention.
As shown, 1, cable, 2, mobile hanger, 21, traction cable, 22, stiffening plate, 3, pulley, 4, fixed tripod, 5, mounting rack, 6, coaxial drum lifting mechanism, 61, double-deck winch, 62, rotating shaft, 63, connecting rack, 64, wire wheel one, 65, connecting rod, 66, lug plate one, 67, lifting hook cable one, 68, hanging box, 69, wire wheel two, 7, lifting hook, 8, mounting frame, 9, motor one, 10, clutch mechanism, 101, sleeve, 102, grooved post, 103, spiral groove, 104, limit post, 105, telescopic post, 106, fixed post, 107, fixed barrel, 108, telescopic spring, 109, toothed bar, 1010, bi-directional motor, 1011, rotating rod, 1012, gear 1013, distance sensor, 11, cable lifting mechanism, 111, hexagonal lifting rack, 112, mounting plate, 1121, lug plate one, 1122, lug plate two, 1123, mobile plate, 113, motor two, 114, double-deck sprocket, 115, push rod, 116, limit post, 105, mobile sprocket, 1110, chain 1111, 119, camera, 1111, and combination plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1,2 and 3, a lifting appliance for lifting construction of bridge cables is shown, which comprises a movable lifting frame 2 arranged between two cables 1, wherein the movable lifting frame 2 is of a double-layer plate structure, stiffening plates 22 are connected between an upper layer plate and a lower layer plate, pulleys 3 which are arranged on the movable lifting frame 2 in a rotating mode are alternately distributed on the upper side and the lower side of the cables 1 in a staggered mode, the front side and the rear side of the movable lifting frame 2 are connected with fixed triangular frames 4, the left side and the right side of each movable lifting frame are connected with traction ropes 21, and lifting mechanisms are arranged on the fixed triangular frames 4.
The bottom end of the fixed tripod 4 is fixedly connected with a mounting frame 5, the mounting frame 5 is provided with a coaxial rotary drum hoisting mechanism 6, the coaxial rotary drum hoisting mechanism 6 is connected with a lifting hook 7, the bottom surface of the movable hanging frame 2 is provided with a mounting frame 8, a first motor 9 is arranged in the mounting frame 8, the first motor 9 is in power connection with the coaxial rotary drum hoisting mechanism 6 and drives the lifting hook 7 to move up and down, two cables 1 are respectively provided with a cable maintenance mechanism 11 connected with the movable hanging frame 2 through a clutch mechanism 10, and the cable maintenance mechanisms 11 are fixedly connected with the movable hanging frame 2 or are separated and independent, so that the cable maintenance mechanisms 11 automatically move on the cables 1 or move along with the movable hanging frame 2.
In the concrete application, the movable hanger 2 is driven to move on the cable 1 by the pulling ropes 21 on the left side and the right side of the movable hanger 2, and when the movable hanger 2 is lifted, the first driving motor 9 works to drive the coaxial rotary drum lifting mechanism 6 to work, the lifting hook 7 moves up and down to lift the lifting facility, the cable 1 needs to be subjected to daily maintenance in a daily non-lifting state, the cable maintenance mechanism 11 is separated from the movable hanger 2 and independent, the cable maintenance mechanism 11 can move on the cable 1 by itself to observe whether the cable 1 is damaged, so that the repair is determined, and the cable 1 can be connected with the movable hanger 2 by the clutch mechanism 10 in the lifting state, so that the cable maintenance mechanism 11 can move along with the movable hanger 2, and therefore, the safety condition of the monitoring cable 1 can be observed in real time during lifting construction, and the safety condition is convenient and the automation degree is higher.
Referring to fig. 1, fig. 4, fig. 5, and fig. 6, the coaxial drum hoisting mechanism 6 includes a double-layer winch 61 vertically rotatably disposed on the mounting frame 5, a rotating shaft 62 is fixedly sleeved and fastened at the center of the double-layer winch 61, the top end of the rotating shaft 62 is connected with a motor 9 in a power transmission manner, connecting frames 63 are outwardly extended at the left and right ends of the mounting frame 5, a wire wheel 64 is rotatably disposed on the connecting frames 63, a connecting rod 65 is extended at the top end of the mounting frame 5 toward the direction of the double-layer winch 61, the connecting rod 65 is disposed on the upper side of the double-layer winch 61, and a sleeved lug plate 66 slidably connected with the rotating shaft 62 is connected at the end of the connecting rod 65;
the double-layer winch 61 is wound with a lifting hook cable 67, winding directions of the lifting hook cable 67 on the upper layer and the lower layer are opposite, the lifting hook cable 67 is connected through a first wire wheel 64 on the left side and the right side in a winding transmission mode, a hanging box 68 is arranged right below the installation frame 5, a second wire wheel 69 which is connected with the lifting hook cable 67 in a sliding mode is arranged in the hanging box 68 in a rotating mode, the lifting hook 7 is fixed at the bottom of the hanging box 68, the diameter of the upper layer of the double-layer winch 61 is larger than that of the lower layer, the end portion of the connecting frame 63 on one side extends vertically upwards, and the first wire wheel 64 which is rotatably arranged on the connecting frame extends to the upper layer of the double-layer winch 61.
It should be noted that, when the first motor 9 works, the output shaft thereof can rotate in opposite directions, the hook cable 67 is wound on the upper layer and the lower layer of the double-layer winch 61 independently, and the rotating shaft 62 is matched with the first motor 9 through the bevel gear unit, so that the rotating shaft 62 is in transmission connection with the first motor 9, and other transmission connection modes can be adopted, and the invention only describes one embodiment.
The working principle of the coaxial rotary drum hoisting mechanism 6 is that when a heavy object is lifted, the lifting hook cable 67 is guided by the first wire wheel 64 and the second wire wheel 69, when the heavy object is lifted, the first motor 9 is driven to work, the output shaft of the first motor 9 drives the rotating shaft 62 to rotate through the bevel gear unit, the double-layer winch 61 sleeved and fixed on the rotating shaft 62 rotates along with the rotating shaft, when the upper layer of the double-layer winch 61 rotates, the lifting hook cable 67 wound on the double-layer winch is driven to be recovered, when the lower layer rotates, the lifting hook cable 67 wound on the double-layer winch 61 is driven to be discharged, and the diameter of the upper layer of the double-layer winch 61 is larger than that of the lower layer, the diameter difference exists, so that the heavy object below can be slowly driven to be lifted, when the heavy object is required to be dropped down, the first motor 9 rotates along with the double-layer winch 61 rotates, the lifting hook cable 67 wound on the double-layer winch 61 is driven to be discharged when the lower layer rotates.
Referring to fig. 1, fig. 7, fig. 8 and fig. 9, the cable overhauling mechanism 11 comprises a hexagonal overhauling frame 111 sleeved on the periphery of two cables 1, the hexagonal overhauling frame 111 is formed by connecting left and right hexagonal frames through a circular tube 1111, the joint of the circular tube 1111 is positioned at the corners of the hexagonal frames, three mounting plates 112 are uniformly distributed on the hexagonal overhauling frame 111, a motor two 113 is fixed on the mounting plates 112, a double-layer chain wheel 114 is sleeved and fixed on the output shaft of the motor two 113, push rods 115 are hinged at the left end and the right end of the mounting plates 112, a connecting plate 116 is arranged at the telescopic shaft ends of the push rods 115, a moving wheel 117 is rotatably arranged on the connecting plate 116, a chain wheel 118 is sleeved and fixed after a rotating shaft of the moving wheel 117 penetrates through the connecting plate 116, the chain wheels 118 are respectively connected with the double-layer chain wheel 114 in a transmission manner through chains 119, and cameras 1110 for cable overhauling are arranged on the push rods 115.
The bottom surface of the mounting plate 112 is provided with a pair of first connecting lug plates 1121, the opposite surfaces of the connecting plates 116 on the left side and the right side are respectively provided with a second connecting lug plate 1122, a movable plate 1123 is hinged between the first connecting lug plates 1121 and the second connecting lug plates 1122, the movable wheels 117 are vertically attached to the outer wall of the cable 1 and are in friction connection, the hexagonal overhaul frames 111 on the front side and the rear side are fixedly connected through a combination plate 1112, and the combination plate 1112 is provided with a clutch mechanism 10 connected with the movable hanging frame 2.
The working principle of the cable overhauling mechanism 11 is that when hoisting construction is not needed and the cable 1 is observed and overhauled daily, the second driving motor 113 works, the moving wheel 117 is driven to synchronously rotate through transmission connection among the double-layer chain wheel 114, the chain wheel 118 and the chain 119, meanwhile, the moving plate 1123 and the push rod 115 are driven to rotate around the end parts of the connecting lug plate 1121 and the mounting plate 112 respectively under the limit of the fixed length of the chain 119, and finally the moving wheel 117 is vertically adhered to and in friction connection with the outer wall of the cable 1, so that when the moving wheel 117 rotates, the hexagonal overhauling frame 111 can be driven to move, the camera 1110 fixed at the top of the push rod 115 moves to observe and monitor the cable 1, and self-propelled overhauling is completed.
Referring to fig. 1, 10, 11, 12 and 13, the clutch mechanism 10 includes a pair of sleeves 101 fixed on the bottom surface of the combination board 1112, a slot column 102 is slidably disposed in the middle of each sleeve 101, a spiral rotating slot 103 spiraling on the outer wall of the slot column 102 is reserved on each slot column 102, a limit column 104 slidably connected with the spiral rotating slot 103 is fixed on each sleeve 101, a telescopic column 105 is disposed at one end of each slot column 102 near the movable hanger 2, a fixed column 106 is disposed after each telescopic column 105 passes through each sleeve 101, a fixed cylinder 107 rotationally matched and fixed with each fixed column 106 is disposed on the side wall of each movable hanger 2, and a telescopic spring 108 connected between each slot column 102 and each sleeve 101 is circumferentially disposed on the periphery of each telescopic column 105.
The end of the grooved post 102 far away from the movable hanging bracket 2 is provided with a toothed bar 109 which is in sliding connection with the inner wall of the sleeve 101, a bidirectional motor 1010 which is fixed on the bottom surface of the combined plate 1112 is arranged between the sleeves 101, the output shafts at the two ends of the bidirectional motor 1010 are connected with a rotating rod 1011 which is in sliding connection with the sleeve 101, the rotating rod 1011 passes through the sleeve 101 and is sleeved and fixed with a gear 1012 which is meshed with the toothed bar 109, the top surface of the combined plate 1112 is provided with a distance sensor 1013, the distance sensor 1013 is electrically connected with a motor two 113 at the front side and the rear side of the distance sensor 1013, and the motor two 113 is controlled to stop working when the combined plate 1112 is pressed close to the movable hanging bracket 2.
The clutch mechanism 10 has the working principle that when the cable 1 is required to be observed and overhauled during hoisting, the second motor 113 is driven to work to drive the hexagonal overhauling frame 111 to move towards the moving hanging frame 2, when the hexagonal overhauling frame 111 moves to be close to the moving hanging frame, the second motor 113 is monitored and inducted through the distance sensor 1013, the second motor 113 stops working through the PLC control system, the hexagonal overhauling frame 111 stops moving along with the second motor, the bidirectional motor 1010 is driven to drive the rotating rod 1011 to rotate, the gear 1012 sleeved on the end part of the rotating rod 1011 rotates along with the rotating rod, the toothed bar 109 meshed with the gear 1012 is driven to move during rotation to drive the grooved post 102 to move towards the moving hanging frame 2, the spiral rotating groove 103 on the grooved post 102 is in sliding connection with the limiting post 104 fixed on the sleeve 101 during movement, the grooved post 102 is kept to rotate simultaneously, the fixed post 106 connected with the grooved post 102 moves towards the fixed barrel 107 and rotates along with the fixed barrel 107 through the fixed post 106 in a rotating thread fit, and the combined plate 1112 is connected with the movable hanging frame 2 to be fixed along with the fixed barrel 107, so that the moving hanging frame 11 moves along with the moving hanging frame 2 during the hoisting of the cable overhauling mechanism moves along with the hanging frame 2.
The invention is characterized in that firstly, a heavy object is connected to a lifting hook 7 in a pulling way, a first driving motor 9 works and is matched with a coaxial rotary drum lifting mechanism 6 to drive the lifting hook 7 to lift the heavy object, then a traction rope 21 is used for driving a movable lifting frame 2 to move on a cable 1 to a position where construction is required, secondly, when the cable 1 is required to be observed and monitored when the movable lifting frame 2 is moved, a cable maintenance mechanism 11 is connected with the movable lifting frame 2 through a clutch mechanism 10, then the cable 1 is observed and maintained through a camera 1110 on the cable maintenance mechanism 11, when no lifting construction operation is performed, the cable maintenance mechanism 11 is separated from the movable lifting frame 2 through the clutch mechanism 10, and the cable maintenance mechanism 11 can automatically move on the cable 1 to carry out daily maintenance on the cable 1.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution will not be creatively devised without departing from the gist of the present invention, and the structural manner and the embodiment are all intended to be within the protection scope of the present invention.
Claims (9)
1. The utility model provides a hoist is used in bridge cable hoist and mount construction, includes removal gallows (2) that set up between two cables (1), is equipped with a plurality of pulley (3) of a plurality of groups of sliding sleeve on cable (1) about moving gallows (2), and both sides are connected with fixed tripod (4) around moving gallows (2), and the left and right sides all is connected with haulage cable (21), is equipped with hoist mechanism on fixed tripod (4), its characterized in that:
The lifting device is characterized in that a mounting frame (5) is fixedly connected to the bottom end of the fixed tripod (4), a coaxial rotary drum lifting mechanism (6) is arranged on the mounting frame (5), a lifting hook (7) is connected to the coaxial rotary drum lifting mechanism (6), a mounting frame (8) is arranged on the bottom surface of the movable lifting frame (2), a motor I (9) is arranged in the mounting frame (8), and the motor I (9) is in power connection with the coaxial rotary drum lifting mechanism (6) and drives the lifting hook (7) to move up and down;
The two cables (1) are respectively provided with a cable overhaul mechanism (11) connected with the movable hanging frame (2) through a clutch mechanism (10), and the cable overhaul mechanisms (11) are connected and fixed together or separated and independent from the movable hanging frame (2), so that the cable overhaul mechanisms (11) automatically move on the cables (1) or move along with the movable hanging frame (2);
Cable overhauls mechanism (11) including the cover establish at two cable (1) outlying hexagon overhauls frame (111), evenly distributed is equipped with three mounting panel (112) on hexagon overhauls frame (111), be fixed with motor two (113) on mounting panel (112), motor two (113) output shaft cup joints and is fixed with bilayer sprocket (114), both ends all hinge about mounting panel (112) are equipped with push rod (115), the flexible axle head of push rod (115) is equipped with connecting plate (116), it is equipped with and removes round (117) to rotate on connecting plate (116), it is fixed with sprocket (118) to cup joint after passing connecting plate (116) to remove the pivot of round (117), be connected through chain (119) transmission between sprocket (118) and bilayer sprocket (114) respectively, be equipped with on push rod (115) and be used for cable to overhaul camera (1110).
2. The lifting appliance for bridge cable lifting construction according to claim 1, wherein the coaxial rotary drum lifting mechanism (6) comprises a double-layer winch (61) vertically and rotatably arranged on a mounting frame (5), a rotating shaft (62) is fixedly sleeved and clamped at the center of the double-layer winch (61), the top end of the rotating shaft (62) is connected with a first motor (9) in power transmission mode, connecting frames (63) are outwards extended at the left end and the right end of the mounting frame (5), a first wire wheel (64) is rotatably arranged on each connecting frame (63), a connecting rod (65) is extended towards the direction of the double-layer winch (61) at the top end of the mounting frame (5), the connecting rod (65) is positioned on the upper side of the double-layer winch (61), and a sleeved lug plate (66) in sliding connection with the rotating shaft (62) is connected at the end of the connecting rod (65);
The double-layer winch (61) is wound with a lifting hook cable (67), winding directions of the upper layer lifting hook cable (67) and the lower layer lifting hook cable (67) are opposite, the lifting hook cable (67) is connected through winding transmission of a first wire wheel (64) on the left side and the right side, a hanging box (68) is arranged under the installation frame (5), a second wire wheel (69) which is connected with the lifting hook cable (67) in a sliding mode is rotationally arranged in the hanging box (68), and the lifting hook (7) is fixed at the bottom of the hanging box (68).
3. The lifting appliance for bridge cable lifting construction according to claim 2, wherein the diameter of the upper layer of the double-layer winch (61) is larger than that of the lower layer, wherein the end part of the connecting frame (63) on one side extends vertically upwards and enables the first wire wheel (64) rotatably arranged on the connecting frame to be close to the upper layer of the double-layer winch (61).
4. The lifting appliance for bridge cable lifting construction according to claim 1, wherein the movable lifting frame (2) is of a double-layer plate structure, stiffening plates (22) are connected between an upper layer plate and a lower layer plate, and pulleys (3) rotatably arranged on the movable lifting frame (2) are alternately staggered on the upper side and the lower side of the cable (1).
5. The lifting appliance for bridge cable lifting construction of claim 1, wherein the hexagonal overhauling frame (111) is formed by connecting a left hexagonal frame and a right hexagonal frame through round pipes (1111), and the joint of the round pipes (1111) is positioned at the corners of the hexagonal frames.
6. The lifting appliance for lifting and constructing the bridge cable according to claim 1, wherein a pair of first connecting lug plates (1121) are arranged on the bottom surface of the mounting plate (112), second connecting lug plates (1122) are arranged on the opposite surfaces of the connecting plates (116) on the left side and the right side, and a movable plate (1123) is hinged between the first connecting lug plates (1121) and the second connecting lug plates (1122).
7. The lifting appliance for bridge cable lifting construction according to claim 1, wherein the movable wheels (117) are vertically attached to the outer wall of the cable (1) and are in friction connection, the hexagonal overhauling frames (111) on the front side and the rear side are fixedly connected through a combined plate (1112), and a clutch mechanism (10) connected with the movable lifting frame (2) is arranged on the combined plate (1112).
8. The lifting appliance for bridge cable lifting construction according to claim 1, wherein the clutch mechanism (10) comprises a pair of sleeves (101) fixed on the bottom surface of the combined plate (1112), a groove column (102) is slidably arranged in the middle of each sleeve (101), a spiral rotating groove (103) which spirals on the outer wall of each groove column (102) is reserved on each groove column (102), a limit column (104) which is slidably connected with each spiral rotating groove (103) is fixedly arranged on each sleeve (101), a telescopic column (105) is arranged at one end, close to the movable lifting bracket (2), of each groove column (102), a fixed column (106) is arranged after each telescopic column (105) passes through each sleeve (101), a fixed cylinder (107) which is fixedly in rotary fit with each fixed column (106) is arranged on the side wall of the movable lifting bracket (2), and a telescopic spring (108) which is connected between each groove column (102) and each sleeve (101) is circumferentially arranged on the periphery of each telescopic column (105);
One end of the groove column (102) far away from the movable hanging frame (2) is provided with a toothed bar (109) which is in sliding connection with the inner wall of the sleeve (101), a bidirectional motor (1010) which is fixed on the bottom surface of the combined board (1112) is arranged between the sleeve (101), the output shafts at the two ends of the bidirectional motor (1010) are connected with a rotating rod (1011) which is in sliding connection with the sleeve (101), and the rotating rod (1011) penetrates through the sleeve (101) and then is sleeved and fixed with a gear (1012) meshed with the toothed bar (109).
9. The lifting appliance for bridge cable lifting construction of claim 7, wherein the top surface of the combined plate (1112) is provided with a distance sensor (1013), the distance sensor (1013) is electrically connected with a motor II (113) on the front side and the rear side of the combined plate, and the motor II (113) is controlled to stop working when the combined plate (1112) is attached to the movable lifting frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510639150.5A CN120157019A (en) | 2025-05-19 | 2025-05-19 | A lifting device for bridge cable hoisting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510639150.5A CN120157019A (en) | 2025-05-19 | 2025-05-19 | A lifting device for bridge cable hoisting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN120157019A true CN120157019A (en) | 2025-06-17 |
Family
ID=96009661
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510639150.5A Pending CN120157019A (en) | 2025-05-19 | 2025-05-19 | A lifting device for bridge cable hoisting construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN120157019A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121573588A (en) * | 2026-01-27 | 2026-02-27 | 贵州路桥集团有限公司 | A type of lifting tool for cable hoisting construction |
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Application publication date: 20250617 |