CN113636451B - Steel trestle hoisting device - Google Patents
Steel trestle hoisting device Download PDFInfo
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- CN113636451B CN113636451B CN202110909139.8A CN202110909139A CN113636451B CN 113636451 B CN113636451 B CN 113636451B CN 202110909139 A CN202110909139 A CN 202110909139A CN 113636451 B CN113636451 B CN 113636451B
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- mounting plate
- piece
- plate
- hanging
- steel trestle
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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
- B66C1/68—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 mounted on, or guided by, jibs
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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
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Automation & Control Theory (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention relates to the field of steel trestle manufacturing, in particular to a steel trestle hoisting device, which comprises: the bottom plate is used for maintaining the stability of the device body during operation; the rotating mechanism is fixedly arranged on the bottom plate; the mounting plate is fixedly connected with the rotating mechanism and is arranged in the cavity formed by the mounting plate, and the rotating mechanism can drive the device body to rotate through the mounting plate; the winding and unwinding mechanism is arranged on the mounting plate and extends to the distance of the mounting plate, the output end of the winding and unwinding mechanism is fixedly connected with a hanging mechanism, the hanging mechanism comprises a hook component and a locking component used for locking the hook component, and the hook component is used for hoisting and moving a steel trestle. The steel trestle hoisting device provided by the invention not only can hoist and mount the steel trestle component, but also can change the hoisting direction and the hoisting height through the rotating mechanism and the square receiving machine, and the hoisting mode can be changed according to the actual hoisting requirement through the design of the hanging mechanism, so that the steel trestle hoisting device is convenient to use and has strong practicability.
Description
Technical Field
The invention relates to the field of steel trestle manufacturing, in particular to a steel trestle hoisting device.
Background
With the development of bridge construction technology in China, steel trestle is paved in many places, the travel of people is greatly facilitated, when the steel trestle is built, various components forming the steel trestle are required to be lifted to specified positions, and then the steel trestle is fixedly installed.
The existing lifting mode of each component of the steel trestle bridge crane mainly depends on a crane to drive a hook for lifting and installing, the lifting mode is single, and the lifting mode is not suitable for steel trestle bridge components with different shapes, so that a steel trestle bridge lifting device is needed to solve the problems.
Disclosure of Invention
The embodiment of the invention aims to provide a steel trestle hoisting device, which aims to solve the following problems: the existing hoisting mode is single, and is not beneficial to hoisting steel trestle components with different shapes.
The embodiment of the invention is realized in such a way that the steel trestle hoisting device comprises: the bottom plate is used for maintaining the stability of the device body during operation; the rotating mechanism is fixedly arranged on the bottom plate and used for driving the device body to rotate so as to change the working direction of the device body; the mounting plate is fixedly connected with the rotating mechanism and is arranged in the cavity formed by the mounting plate, and the rotating mechanism can drive the device body to rotate through the mounting plate; the lifting mechanism is arranged on the mounting plate and extends to a position far away from the mounting plate and used for controlling the lifting position of the device body, the output end of the lifting mechanism is fixedly connected with a hanging mechanism for fixing parts of the steel trestle, the hanging mechanism comprises a hook assembly and a locking assembly for locking the hook assembly, and the hook assembly is used for lifting and moving the steel trestle.
Preferably, the rotation mechanism includes: the limiting sleeve is fixedly connected with the bottom plate, the mounting plate is sleeved on the limiting sleeve, and the mounting plate can rotate on the limiting sleeve; the first power piece is provided with a fixed limit sleeve which is arranged on one side in a cavity formed in the mounting plate and used for providing power support for the rotation of the mounting plate driven by the rotating mechanism; one surface of the supporting piece is connected with the output shaft of the first power piece, and the other surface of the supporting piece is fixed in a fixed cavity formed in the mounting plate through a rod piece; the support universal wheel, fixed mounting is in the both sides of support piece one side, support the universal wheel cooperation and be provided with the race of seting up on the stop collar, support the universal wheel and can rotate in order to reduce the pressure of mounting panel for first power piece on the race.
Preferably, the retraction mechanism includes: the displacement assembly is arranged on the mounting plate and can rotate on the mounting plate and is used for adjusting the lifting position of the device body, and the power input end and the power output end of the displacement assembly are respectively arranged on the mounting plate and outside the mounting plate; the lifting assembly is arranged on the displacement assembly in a sliding manner, the power input end of the lifting assembly is also fixedly arranged on the mounting plate, the displacement assembly is used for driving the lifting assembly to change the hanging position, and the lifting assembly can ascend or descend to realize the lifting of the steel trestle.
Preferably, the displacement assembly comprises: the second power piece is fixedly arranged on the mounting plate and used for providing power support for the displacement assembly to move the lifting assembly; the threaded piece is connected with the output shaft of the second power piece, a threaded plate capable of moving on the threaded piece is penetrated by threads of the threaded piece, and a connecting piece extending into a cavity formed in the mounting plate is fixedly arranged on the threaded plate; the rack is fixedly connected with one end of the connecting piece, which is arranged in the cavity formed by the mounting plate, and is meshed with a gear column rotatably arranged on the mounting plate, and the rack can drive the gear column to rotate; one end of the rotating rod is fixedly connected with the gear column and can rotate along with the gear column, and one end of the rotating rod, which is far away from the gear column, is provided with a pulley which is convenient for the lifting assembly to ascend or descend;
preferably, the sling assembly comprises: the third power piece is fixedly arranged on the mounting plate, and the output shaft of the third power piece extends into the cavity of the mounting plate; the first bevel gear is arranged in the cavity of the mounting plate and is fixedly connected with the output shaft of the third power piece, the first bevel gear is meshed with a second bevel gear capable of changing the power transmission direction, a winding drum arranged in the cavity of the mounting plate is fixedly arranged on the second bevel gear rotating shaft, and a hanging piece is fixed in the winding drum and is wound; the guide piece is sleeved on the gear column and is used for guiding the hanging and pulling piece onto the pulley on the rotating rod and falling below the pulley.
Preferably, the hook assembly comprises: the hanging plate is fixedly connected with the output end of the hanging component, a mounting groove is formed in the hanging plate, and a hook for hoisting a steel trestle is fixedly arranged on one side of the mounting groove formed in the hanging plate; the driving wheel is rotatably arranged in a mounting groove formed in the hanging plate, a coordination hole which is convenient to fix the driving wheel is formed in the driving wheel, a locking component which can enter the coordination hole is matched with the coordination hole, the locking component is fixed on the inner wall of the mounting groove formed in the hanging plate, the coordination holes are distributed on two sides of the driving wheel, and a connecting line penetrates through the center of the driving wheel; the rotating rod is fixed at two sides of the driving rotating wheel, the two ends of the rotating rod are hinged with linkage rods, one end, far away from the rotating rod, of the linkage rods is also hinged with a fixing plate capable of moving in opposite directions, the fixing plate is also fixedly provided with buckling blocks for hanging and pulling the steel trestle, and the buckling blocks at two sides can mutually approach to lock the steel trestle; the guide rod is fixed on the inner wall of the mounting groove, a guide sleeve which is fixedly connected with the fixing plate at the same time is sleeved on the guide rod, and a first elastic piece for pulling the fixing plate to reset is also fixed between the guide sleeve and the inner wall of the mounting groove.
Preferably, the locking assembly comprises: the supporting box is arranged on the inner wall of the mounting groove, a driving cam used for pulling the locking component out of the coordination hole is arranged in the supporting box, and the driving cam is contacted with a roller which can move under the pushing of the driving cam; the pull plate is connected with the roller wheels, pull rods extending out of the supporting box are fixed on two sides of the pull plate, and a coordination rod capable of entering the coordination hole is fixedly arranged at one end of the pull rod arranged outside the supporting box; the second elastic piece is fixed between the pull plate and the inner wall of the supporting box and is used for pushing the coordination rod into the coordination hole.
The steel trestle hoisting device provided by the invention not only can hoist and mount the steel trestle component, but also can change the hoisting direction and the hoisting height through the rotating mechanism and the square receiving machine, and can change the hoisting mode according to the actual hoisting requirement through the design of the hanging mechanism, so that the steel trestle hoisting device is wide in universality, convenient to use and high in practicability.
Drawings
Fig. 1 is a schematic structural view of a steel trestle hoisting device.
Fig. 2 is a top view of a rotating mechanism of the steel trestle hoisting device.
Fig. 3 is a top view of a gear column of the steel trestle hoisting device.
Fig. 4 is a schematic view of a suspension mechanism of a steel trestle hoisting device.
Fig. 5 is a schematic diagram of a locking assembly of a steel trestle hoisting device.
In the accompanying drawings: 1-bottom plate, 2-track wheel, 3-rotation mechanism, 4-mounting plate, 5-retracting mechanism, 6-hanging mechanism, 31-limit sleeve, 32-first power piece, 33-support piece, 34-support universal wheel, 35-wheel groove, 51-displacement component, 52-hanging pull component, 511-second power piece, 512-screw piece, 513-thread plate, 514-connecting piece, 515-rack, 516-gear column, 517-rotating rod, 518-pulley, 521-third power piece, 522-first bevel gear, 523-second bevel gear, 524-winding drum, 525-hanging pull piece, 526-guide piece, 60-hook component, 61-hanging plate, 62-mounting groove, 63-hook, 64-driving wheel, 65-coordination hole, 66-locking component, 67-rotating rod, 68-linkage rod, 69-fixed plate, 610-buckling block, 611-guide rod, 612-guide sleeve, 613-first elastic piece, 661-support box, roller, 662-driving cam, 663-second bevel gear, 524-winding drum, 525-hanging pull piece, 526-guide piece, 66-locking component, 67-rotating rod, 66-locking component.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1, the steel trestle lifting device provided by the embodiment of the invention includes:
a bottom plate 1 for maintaining stability of the device body when in operation; the rotating mechanism 3 is fixedly arranged on the bottom plate 1 and is used for driving the device body to rotate so as to change the working direction of the device body; the mounting plate 4 is provided with a cavity, the mounting plate 4 is fixedly connected with the rotating mechanism 3 and is arranged in the cavity formed by the mounting plate 4, and the rotating mechanism 3 can drive the device body to rotate through the mounting plate 4; the retracting mechanism is arranged on the mounting plate and extends to the distance of the mounting plate for controlling the lifting position of the device body, the output end of the retracting mechanism is fixedly connected with a hanging mechanism for fixing the steel trestle part, the hanging mechanism 6 comprises a hook assembly 60 and a locking assembly 66 for locking the hook assembly, and the hook assembly 60 is used for lifting and moving the steel trestle.
In this embodiment, the mounting plate 4 is further provided with a control room for facilitating the operation of a user, and the power input end of the retracting mechanism 5 is disposed on one side of the control room, so as to facilitate the control of an operator, and in addition, the crawler wheel 2 for moving the device body is fixedly disposed on one side of the bottom plate 1, so as to facilitate the movement of the device.
When the device is specifically used, an operator enters a control room, moves the device body to a position to be hoisted by starting the crawler wheel 2, then starts the rotating mechanism 3, drives the mounting plate 4 to rotate so as to drive the retracting mechanism 5 to rotate, realizes the adjustment of the position to be hoisted of the device body, starts the retracting mechanism 5 after the adjustment is completed, drives the hanging mechanism 6 to move to a position right above a steel trestle component to be hoisted, then selects a hoisting mode of the hanging mechanism 6 according to actual hoisting requirements and hangs the steel trestle component, and after firm hanging is confirmed, the retracting mechanism 5 and the rotating mechanism 3 can be started according to actual requirements to hoist the steel trestle component to a specified position for installation and fixation.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the rotation mechanism 3 includes: the limiting sleeve 31 is fixedly connected with the bottom plate 1, the mounting plate 4 is sleeved on the limiting sleeve 31, and the mounting plate 4 can rotate on the limiting sleeve 31; the first power piece 32, the fixed stop collar 31 is arranged on one side in the cavity formed by the mounting plate 4, and is used for providing power support for the rotation of the mounting plate 4 driven by the rotating mechanism 3; one surface of the supporting piece 33 is connected with the output shaft of the first power piece 32, and the other surface of the supporting piece is fixed in a fixed cavity formed in the mounting plate 4 through a rod piece; the supporting universal wheels 34 are fixedly installed on two sides of one face of the supporting piece 33, the supporting universal wheels 34 are matched with wheel grooves 35 formed in the limiting sleeve 31, and the supporting universal wheels 34 can rotate on the wheel grooves 35 to reduce the pressure of the mounting plate 4 for the first power piece 32.
If the hoisting direction is to be adjusted, the first power piece 32 is started (the first power piece 32 is a motor), the output shaft of the first power piece 32 drives the supporting piece 33 (the supporting piece 33 is a supporting plate) to rotate, the supporting piece 33 can drive the mounting plate 4 to rotate through rotation, meanwhile, the universal wheel 34 can rotate in the wheel groove 35, a supporting effect is achieved for the supporting piece 33, and the first power piece 32 is prevented from bearing excessive pressure from the mounting plate 4.
As shown in fig. 1, as a preferred embodiment of the present invention, the retracting mechanism 5 includes: the displacement assembly 51 is arranged on the mounting plate 4 and can rotate on the mounting plate 4 and is used for adjusting the lifting position of the device body, and a power input end and a power output end of the displacement assembly 51 are respectively arranged on the mounting plate 4 and outside the mounting plate 4; the lifting assembly 52 is slidably arranged on the displacement assembly 51, the power input end of the lifting assembly 52 is fixedly arranged on the mounting plate 4, the displacement assembly 51 is used for driving the lifting assembly 52 to change the hanging position, and the lifting assembly 52 can be lifted or lowered to realize the lifting of the steel trestle.
When the hoisting is performed, the displacement assembly 51 is started first, the displacement assembly 51 can rotate around the mounting plate 4, so that displacement in the horizontal direction can be obtained, and the displacement assembly 51 drives the hoisting assembly 52 to move near or far, so that the position of the hanging mechanism 6 can be adjusted.
As shown in fig. 1 and 3, as a preferred embodiment of the present invention, the displacement assembly 51 includes: a second power member 511 fixedly mounted on the mounting plate 4 for providing power support for the displacement assembly movement sling assembly 52; a screw member 512 connected to the output shaft of the second power member 511, wherein the screw member 512 is threaded through a screw plate 513 that can move on the screw member 512, and a connecting member 514 that extends into the cavity formed by the mounting plate 4 is fixedly arranged on the screw plate 513; the rack 515 is fixedly connected with one end of the connecting piece 514 arranged in the cavity formed in the mounting plate 4, the rack 515 is meshed with a gear column 516 rotatably arranged on the mounting plate 4, and the rack 515 can drive the gear column 516 to rotate; a rotating rod 517, one end of which is fixedly connected with the gear post 516 and can rotate following the gear post 516, and one end of the rotating rod 517, which is far from the gear post 516, is mounted with a pulley 518 that facilitates the lifting or lowering of the sling assembly 52.
In this embodiment, when the operator opens the second power element 511 (the second power element 511 is a motor) in the control room, the output shaft of the second power element 511 drives the threaded element 512 (the threaded element 512 is a threaded rod) to rotate, the threaded element 512 rotates to drive the threaded plate 513 to move leftwards or rightwards, the threaded plate 513 moves to drive the rack 515 to move leftwards or rightwards through the connecting element 514, the rack 515 moves to drive the gear column 516 to rotate clockwise or anticlockwise, and the gear column 516 rotates to drive the rotating rod 517 to rotate proximally or remotely, so that the horizontal position of the suspension mechanism 6 can be adjusted through the hanging component 52.
In this embodiment, in order to reduce vibration during the rotation of the rotation rod 517, a guide post may be fixed at one end of the rack 515 disposed in the cavity formed in the mounting plate 4, the guide post is cooperatively disposed in a guide sleeve fixedly connected to the inner wall of the mounting plate 4, and a buffer spring screwed around the guide post is fixed between the guide sleeve and the rack 515, where the buffer spring may play a role in buffering the movement of the rack 515.
As shown in fig. 1 and 3, as a preferred embodiment of the present invention, the pendant assembly 52 includes: a third power element 521 fixedly arranged on the mounting plate 4, wherein the output shaft of the third power element 521 extends into the cavity of the mounting plate 4; the first bevel gear 522 is arranged in the cavity of the mounting plate 4 and is fixedly connected with the output shaft of the third power element 521, the first bevel gear 522 is meshed with a second bevel gear 523 capable of changing the power transmission direction, a winding drum 524 arranged in the cavity of the mounting plate 4 is fixedly arranged on the second bevel gear rotating shaft, and a hanging and pulling element 525 is fixed in the winding drum 524; a guide 526 is sleeved on the gear column 516, and the guide 526 is used for guiding the hanging and pulling member 525 onto the pulley 518 on the rotating rod 517 and falling below the pulley 518.
When lifting the steel trestle component, after fixing the steel trestle component and the hanging mechanism 6, starting a third power piece 521 (the third power piece 521 is a motor), wherein an output shaft of the third power piece 521 drives a first bevel gear 522 to rotate, the first bevel gear 522 rotates and drives a second bevel gear 523 to rotate, the second bevel gear 523 rotates and drives a winding drum 524 to rotate, the winding drum 524 rotates and can wind or release a hanging and pulling piece 525, and the hanging and pulling piece 525 ascends or descends under the guide of a guide piece 526 and a pulley 518, so that the steel trestle component on the hanging mechanism 6 is pulled to ascend or descend.
In this embodiment, the hanging member 525 may be a steel wire rope or a rope made of other materials, as long as the steel trestle assembly has enough rigidity to bear the weight of the steel trestle assembly, and the steel trestle assembly is not particularly limited herein.
As shown in fig. 1 and 4, the hook assembly 60, as a preferred embodiment of the present invention, includes: the hanging plate 61 is fixedly connected with the output end of the hanging and pulling assembly 52, a mounting groove 62 is formed in the hanging plate 61, and a hook 63 for hoisting a steel trestle is fixedly arranged on one side of the mounting groove 62 formed in the hanging plate 61; the driving wheel 64 is rotatably arranged in the mounting groove 62 formed in the hanging plate 61, the driving wheel 64 is provided with coordination holes 65 which are convenient to fix the driving wheel 64, the coordination holes 65 are matched with locking components 66 which can enter the coordination holes 65, the locking components 66 are fixed on the inner wall of the mounting groove 62 formed in the hanging plate 61, the coordination holes 65 are distributed on two sides of the driving wheel 64, and a connecting line penetrates through the center of the driving wheel 64; the rotating rod 67 is fixed at two sides of the driving rotating wheel 64, two ends of the rotating rod 67 are hinged with the linkage rods 68, one end, far away from the rotating rod 67, of the linkage rods 68 is also hinged with the fixing plate 69 capable of moving in opposite directions, the fixing plate 69 is also fixed with the buckling blocks 610 used for hanging and pulling the steel trestle, and the buckling blocks 610 at two sides can be mutually close to and lock the steel trestle; the guide rod 611 is fixed on the inner wall of the mounting groove 62, the guide rod 611 is sleeved with a guide sleeve 612 which is fixedly connected with the fixing plate 69, and a first elastic piece 613 for pulling the fixing plate 69 to reset is also fixed between the guide sleeve 612 and the inner wall of the mounting groove 62.
When the hanger 63 is selected for hoisting or the buckling block 610 is selected for hoisting according to actual needs, if the hanger 63 is selected for hoisting, the hanger 63 is hung on the steel trestle component, if the buckling block 610 is selected for hoisting, the driving rotating wheel 64 is started, the power source of the driving rotating wheel 64 is a motor, the driving rotating wheel 64 drives the rotating rod 67 to rotate, the rotating rod 67 rotates to enable the linkage rod 68 to pull the fixing plate 69 inwards, at the moment, the two side fixing plates 69 are in mutual approaching motion, the buckling block 610 gradually realizes buckling, the two side fixing plates 69 are in mutual approaching motion, the guide sleeve 612 is driven by the mutual approaching motion along the guide rod 611 and stretches the first elastic piece 613 (the first elastic piece 613 is a spring), meanwhile, the coordination hole 65 is gradually approaching the locking component 66, when the locking component 66 is aligned with the coordination hole 65, the coordination hole 65 can be entered, the driving rotating wheel 64 is fixed, the buckling block 610 is prevented from rebounding, if the steel trestle component is required to be released, the locking component 66 is started, the locking component 66 is enabled to leave the coordination hole 65, and at the moment, the buckling block 610 is reset and the steel trestle component is released under the pulling of the first elastic piece 613.
As shown in fig. 5, as a preferred embodiment of the present invention, the locking assembly 66 includes: a supporting case 661 mounted on the inner wall of the mounting groove 62, a driving cam 662 for pulling the locking assembly 66 out of the coordination hole 65 being mounted in the supporting case 661, the driving cam 662 contacting with a roller 663 movable under the pushing of the driving cam 662; the pull plate 664 is connected with the roller 663, two sides of the pull plate 664 are fixedly provided with pull rods 665 extending out of the supporting box 661, and one end of each pull rod 665 arranged outside the supporting box 661 is fixedly provided with a coordination rod 666 capable of entering the coordination hole 65; a second elastic member 667, fixed between the pull plate 664 and the inner wall of the supporting case 661, for pushing the coordination rod 666 into the coordination holes 65.
When the driving wheel 64 is released, the driving cam 662 is started, the driving cam 662 is powered by a motor, the driving cam 662 makes the roller 663 drive the pull plate 664 to move downward, the pull plate 664 moves downward to drive the pull rod 665 to move downward and elongate the second elastic member 667 (the second elastic member 667 is a spring), and then the coordination rod 666 is pulled to move downward to leave the coordination hole 65, at this time, the driving wheel 64 is in a released state and can be reset under the pull of the first elastic member 613.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. Steel landing stage hoist device contains the device body, its characterized in that includes:
the bottom plate is used for maintaining the stability of the device body during operation;
the rotating mechanism is fixedly arranged on the bottom plate and used for driving the device body to rotate so as to change the working direction of the device body;
the mounting plate is fixedly connected with the rotating mechanism and is arranged in the cavity formed by the mounting plate, and the rotating mechanism can drive the device body to rotate through the mounting plate;
the lifting mechanism is arranged on the mounting plate and extends to the far distance of the mounting plate and used for controlling the lifting position of the device body, the output end of the lifting mechanism is fixedly connected with a hanging mechanism used for fixing parts of the steel trestle, the hanging mechanism comprises a hook component and a locking component used for locking the hook component, and the hook component is used for lifting and moving the steel trestle;
the hanger assembly includes: the hanging plate is fixedly connected with the output end of the hanging component, a mounting groove is formed in the hanging plate, and a hook for hoisting a steel trestle is fixedly arranged on one side of the mounting groove formed in the hanging plate;
the driving wheel is rotatably arranged in a mounting groove formed in the hanging plate, a coordination hole which is convenient to fix the driving wheel is formed in the driving wheel, a locking component which can enter the coordination hole is matched with the coordination hole, the locking component is fixed on the inner wall of the mounting groove formed in the hanging plate, the coordination holes are distributed on two sides of the driving wheel, and a connecting line penetrates through the center of the driving wheel;
the rotating rod is fixed at two sides of the driving rotating wheel, the two ends of the rotating rod are hinged with linkage rods, one end, far away from the rotating rod, of the linkage rods is also hinged with a fixing plate capable of moving in opposite directions, the fixing plate is also fixedly provided with buckling blocks for hanging and pulling the steel trestle, and the buckling blocks at two sides can mutually approach to lock the steel trestle;
the guide rod is fixed on the inner wall of the mounting groove, a guide sleeve which is fixedly connected with the fixing plate at the same time is sleeved on the guide rod, and a first elastic piece for pulling the fixing plate to reset is also fixed between the guide sleeve and the inner wall of the mounting groove;
the locking assembly includes: the supporting box is arranged on the inner wall of the mounting groove, a driving cam used for pulling the locking component out of the coordination hole is arranged in the supporting box, and the driving cam is contacted with a roller which can move under the pushing of the driving cam;
the pull plate is connected with the roller wheels, pull rods extending out of the supporting box are fixed on two sides of the pull plate, and a coordination rod capable of entering the coordination hole is fixedly arranged at one end of the pull rod arranged outside the supporting box;
the second elastic piece is fixed between the pull plate and the inner wall of the supporting box and is used for pushing the coordination rod into the coordination hole.
2. The steel trestle hoisting device according to claim 1, characterized in that said rotation mechanism comprises:
the limiting sleeve is fixedly connected with the bottom plate, the mounting plate is sleeved on the limiting sleeve, and the mounting plate can rotate on the limiting sleeve;
the first power piece is provided with a fixed limit sleeve which is arranged on one side in a cavity formed in the mounting plate and used for providing power support for the rotation of the mounting plate driven by the rotating mechanism;
one surface of the supporting piece is connected with the output shaft of the first power piece, and the other surface of the supporting piece is fixed in a fixed cavity formed in the mounting plate through a rod piece;
the support universal wheel, fixed mounting is in the both sides of support piece one side, support the universal wheel cooperation and be provided with the race of seting up on the stop collar, support the universal wheel and can rotate in order to reduce the pressure of mounting panel for first power piece on the race.
3. The steel trestle hoisting device according to claim 1, characterized in that said retraction mechanism comprises:
the displacement assembly is arranged on the mounting plate and can rotate on the mounting plate and is used for adjusting the lifting position of the device body, and the power input end and the power output end of the displacement assembly are respectively arranged on the mounting plate and outside the mounting plate;
the lifting assembly is arranged on the displacement assembly in a sliding manner, the power input end of the lifting assembly is also fixedly arranged on the mounting plate, the displacement assembly is used for driving the lifting assembly to change the hanging position, and the lifting assembly can ascend or descend to realize the lifting of the steel trestle.
4. A steel trestle hoisting device according to claim 3, characterized in that said displacement assembly comprises:
the second power piece is fixedly arranged on the mounting plate and used for providing power support for the displacement assembly to move the lifting assembly;
the threaded piece is connected with the output shaft of the second power piece, a threaded plate capable of moving on the threaded piece is penetrated by threads of the threaded piece, and a connecting piece extending into a cavity formed in the mounting plate is fixedly arranged on the threaded plate;
the rack is fixedly connected with one end of the connecting piece, which is arranged in the cavity formed by the mounting plate, and is meshed with a gear column rotatably arranged on the mounting plate, and the rack can drive the gear column to rotate;
and one end of the rotating rod is fixedly connected with the gear column and can rotate along with the gear column, and one end of the rotating rod, which is far away from the gear column, is provided with a pulley which is convenient for the lifting assembly to ascend or descend.
5. A steel trestle hoisting device according to claim 3, characterized in that said hoisting assembly comprises:
the third power piece is fixedly arranged on the mounting plate, and the output shaft of the third power piece extends into the cavity of the mounting plate;
the first bevel gear is arranged in the cavity of the mounting plate and is fixedly connected with the output shaft of the third power piece, the first bevel gear is meshed with a second bevel gear capable of changing the power transmission direction, a winding drum arranged in the cavity of the mounting plate is fixedly arranged on the second bevel gear rotating shaft, and a hanging piece is fixed in the winding drum and is wound;
the guide piece is sleeved on the gear column and is used for guiding the hanging and pulling piece onto the pulley on the rotating rod and falling below the pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN114606997B (en) * | 2022-04-08 | 2023-05-26 | 北京市政建设集团有限责任公司 | Precipitation well dredging device for deep foundation pit |
| CN114701157B (en) * | 2022-06-06 | 2022-08-26 | 江苏汉晶新能源有限公司 | Photovoltaic board sticking film machine with harmless function of flattening |
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| JP3211673B2 (en) * | 1996-08-02 | 2001-09-25 | 株式会社横山基礎工事 | Simple temporary bridge temporary pier construction method |
| DE102005003044B3 (en) * | 2005-01-22 | 2006-08-03 | Inter-Commerz Handelsgesellschaft Mbh | Mobile bridge system |
| US20150250668A1 (en) * | 2012-09-21 | 2015-09-10 | 8582106 Canada Ltd | Wheelchair equipped with a crane having an extensible module with x-shaped crosses |
| CN104372743B (en) * | 2014-10-31 | 2016-05-18 | 中铁四局集团第二工程有限公司 | Trestle rapid constructing method |
| CN107032236A (en) * | 2016-12-15 | 2017-08-11 | 刘发民 | A kind of crane |
| CN107313355B (en) * | 2017-08-18 | 2019-03-12 | 中国十七冶集团有限公司 | A kind of steel trestle construction method waterborne |
| CN209337330U (en) * | 2018-12-14 | 2019-09-03 | 张忠辉 | A kind of cable protector |
| CN213231276U (en) * | 2020-08-12 | 2021-05-18 | 核工业长沙中南建设工程集团公司 | Hoisting device for splicing steel trestle |
| CN213595752U (en) * | 2020-10-09 | 2021-07-02 | 无锡融威起重吊装设备有限公司 | Crane girder rotation driving device |
| CN112678666B (en) * | 2020-12-19 | 2022-10-04 | 台州学院 | Hoisting device and hoisting method for building board with asymmetric structure |
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