CN114634092B - Preset steel structure welding prepositioning hoisting device - Google Patents
Preset steel structure welding prepositioning hoisting device Download PDFInfo
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- CN114634092B CN114634092B CN202210559370.3A CN202210559370A CN114634092B CN 114634092 B CN114634092 B CN 114634092B CN 202210559370 A CN202210559370 A CN 202210559370A CN 114634092 B CN114634092 B CN 114634092B
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- motor
- reversing
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- shell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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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
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Abstract
The invention discloses a preset steel structure welding prepositioning hoisting device which comprises a pneumatic bidirectional driving mechanism, a double-drive synchronous driving mechanism, a steel member to be hoisted and a fixed pulley imitating hoisting support mechanism. The invention belongs to the technical field of hoisting and hoisting, and particularly relates to a preset type hoisting and hoisting device for steel structure welding prepositioning; the invention discloses a pneumatic bidirectional driving mechanism and a double-drive synchronous driving mechanism based on an air pressure transmission principle, wherein a high-pressure pneumatic advancing motor is driven to rotate in an atmospheric pressure increasing mode, so that two groups of driving wheel bodies are driven to rotate, the position of the double-drive synchronous driving mechanism on a steel member to be hoisted is adjusted, the advancing direction of the double-drive synchronous driving mechanism can be changed through an elastic self-resetting reversing device and a reversing executing assembly, and the technical effect of comprehensively adjusting the steel member to be hoisted is realized only through a smart mechanical structure under the condition of no electric driving device.
Description
Technical Field
The invention belongs to the technical field of hoisting and hoisting, and particularly relates to a preset type hoisting and hoisting device for steel structure welding prepositioning.
Background
In the construction process of the intelligent building, a structure module is generally preset in a factory, then the module is assembled and welded on a construction site, and after most of the preset beam modules need to be hoisted to a specified position, the preset beam modules are pre-welded and welded; according to the definition of the plane freedom, each member has three degrees of freedom on the plane in total: horizontal position X, vertical position Y and self angle omega, in the in-process of hoisting the girder steel through two datum points, through the linkage of the structure of two sets of similar fixed pulleys, can carry out position and angle modulation to the girder steel, but when the rigidity back of two hoist and mount datum points, although above-mentioned three parameter all can change, when wherein two arbitrary parameters are fixed, the third parameter can't continue to adjust really, that is to say adjust through the mechanism of two sets of similar fixed pulleys, the regulation degree of freedom that the people can control is 2.
In order to improve the position adjusting capacity of the hoisting mode based on the winch and the fixed pulley structure, the invention mainly provides a preset steel structure welding and pre-positioning hoisting device which adjusts the position and the angle of a steel member in a large range by matching two groups of suspension ropes in a mode of changing hoisting reference points.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a preset steel structure welding prepositioning hoisting device which adjusts the position and the angle of a steel member in a larger range by matching two groups of suspension ropes in a mode of changing hoisting reference points; in order to solve the technical problem that a large crane cannot be used in a complex steel structure, the invention creatively provides a hoisting mode for hoisting a steel member by linkage of two groups of hoisting ropes based on a fixed pulley principle, the structure is simple, the cost is low, and because a large rigid member does not exist in the air except a hoisting device arranged on the ground, the invention can also be used in the complex steel structure, and the effect is better because a plurality of selectable hoisting reference points are provided.
In order to solve the technical problem of insufficient adjusting capacity of a double-rope linkage method, the invention creatively provides a pneumatic type bidirectional driving mechanism and a double-drive type synchronous driving mechanism based on an air pressure transmission principle, a high-pressure pneumatic type advancing motor is driven to rotate in a pressurization mode, so that two groups of driving wheel bodies are driven to rotate, the position of the double-drive type synchronous driving mechanism on a steel member to be hoisted is adjusted, the advancing direction of the double-drive type synchronous driving mechanism can be changed through an elastic self-resetting reversing device and a reversing executing assembly, and the technical effect of comprehensively adjusting the steel member to be hoisted is realized only through a smart mechanical structure under the condition that no electric drive traction device exists.
The technical scheme adopted by the invention is as follows: the invention provides a preset steel structure welding prepositioning hoisting device, which comprises a pneumatic bidirectional driving mechanism, a double-drive synchronous driving mechanism, a steel member to be hoisted and a fixed pulley imitating hoisting support mechanism, wherein the fixed pulley imitating hoisting support mechanism is a hoisting mechanism taking the existing frame or an external support as a reference, the double-drive synchronous driving mechanism is arranged on the fixed pulley imitating hoisting support mechanism, the positions of two hoisting points on the steel member to be hoisted can be changed through the double-drive synchronous driving mechanism, the steel member to be hoisted is arranged in the double-drive synchronous driving mechanism, the pneumatic bidirectional driving mechanism has the function of changing the moving direction, the direction of travel can be changed and the drive achieved manually, mechanically, by a set of drive mechanisms.
Furthermore, the pneumatic bidirectional driving mechanism comprises a high-pressure pneumatic advancing motor and an elastic self-resetting reversing device, the high-pressure pneumatic advancing motor is arranged in the double-drive synchronous driving mechanism, and the elastic self-resetting reversing device is arranged on the high-pressure pneumatic advancing motor in a sliding mode.
Preferably, the high-pressure pneumatic type traveling motor comprises a motor main body shell, a motor central wheel shaft, a motor end sealing plate and a motor driving synchronous wheel, wherein the motor main body shell is fixedly connected to the double-drive type synchronous driving mechanism, a shell circular through hole is formed in the motor main body shell, shell air inlet and outlet holes communicated with the shell circular through hole are symmetrically formed in the upper portion of the shell circular through hole in the motor main body shell, two groups of shell air inlet and outlet holes have air inlet and exhaust functions respectively, the functions of the two groups of shell air inlet and outlet holes can be interchanged, a shell guide sliding groove is formed in the upper portion of the motor main body shell, a shell central partition plate is arranged in the center of the shell guide sliding groove, a partition plate notch is formed in the shell central partition plate, a partition plate connecting column is arranged at the partition plate notch, and can serve as a fulcrum of the reversing steel wire and serve as a fixed pulley in the sliding process of the reversing steel wire, the motor center wheel shaft is provided with a wheel shaft center spindle, the motor end sealing plates are symmetrically arranged at two ends of a motor main body shell, the wheel shaft center spindle is rotatably arranged in the motor end sealing plates, and the motor driving synchronous wheel is clamped at one end of the wheel shaft center spindle.
As a further preferred aspect of the present invention, the elastic self-resetting reversing device comprises a sliding reversing tee, a steel wire sealing element and a tee return spring, wherein the sliding reversing tee is provided with a tee main pipe, the sliding reversing tee is symmetrically provided with tee branch pipes, the sliding reversing tee is provided with a tee square guide part on the tee branch pipe, when the sliding reversing tee is at two stations, one group of the tee branch pipes can be communicated with a circular through hole of the shell through a shell air inlet and outlet hole, the other group of the tee branch pipes is blocked, the tee square guide part is clamped and slidably arranged in a shell guide chute, the sliding reversing tee is further provided with a tee longitudinal round hole, the steel wire sealing element is clamped and arranged in the tee longitudinal round hole, one end of the tee return spring is arranged on a central partition plate of the shell, and the other end of the tee return spring is arranged on one group of the tee square guide parts, the clapboard connecting column can push the sliding reversing tee joint to the end part under the condition that external force is not applied to the sliding reversing tee joint, so that the movement of the sliding reversing tee joint becomes controllable.
Furthermore, the double-drive synchronous driving mechanism comprises an open-close type rack main body and a double-drive synchronous component, the open-close type rack main body is arranged on the imitation fixed pulley hoisting supporting mechanism, and the double-drive synchronous component is rotatably arranged in the open-close type rack main body.
Preferably, the open-close type rack main body comprises an upper rack body, a lower rack body, a hinged hinge and a bottom supporting wheel, an upper rack sliding groove and an upper rack hook groove are formed in the upper rack body 29, a motor main body shell is fixedly connected to the bottom of the upper rack body, the upper rack body and the lower rack body are rotatably connected through the hinged hinge, and a steel member to be hoisted is fastened in the double-drive type synchronous driving mechanism through clamping force between the upper rack body and the lower rack body; simultaneously after the welding is accomplished, can also control two formula synchronous drive mechanisms that drive and drop from treating the hoist and mount steel member, be equipped with the lower frame boss on the lower frame body, the lower frame body passes through lower frame boss rigid coupling on imitative fixed pulley hoist and mount supporting mechanism, the rotation of bottom sprag wheel is located in the lower frame body.
As a further preference of the invention, the double-drive synchronizing assembly comprises a driving wheel body, a motor driven synchronizing wheel, a driving toothed belt, a driving wheel synchronizing gear and a synchronizing belt, the double-drive synchronizing assembly can drive the double-drive type synchronizing driving mechanism to slide on the steel member to be hoisted through the two driving wheels, so that the overall friction force can be increased, and the slipping phenomenon caused by the failure of one group of driving wheels can be effectively avoided.
Further, treat hoist and mount steel member and drive wheel body rolling contact, treat hoist and mount steel member and bottom sprag wheel rolling contact.
Furthermore, the fixed pulley imitating hoisting support mechanism comprises a reference circular steel member, a hoisting stay rope, a reversing execution assembly and a pneumatic drive assembly, wherein the reference circular steel member is positioned on the external rack, the reference circular steel member is used as a hoisting reference position, the hoisting stay rope is slidably arranged on the reference circular steel member, and the steel member to be hoisted can be hoisted by pulling the hoisting stay rope; the double-drive synchronous driving mechanism can be prevented from falling off from a steel member to be hoisted only by keeping the hoisting stay rope in a tightened state in the hoisting process, the hoisting stay rope is slowly released after welding is completed, the upper frame body and the lower frame body can be naturally opened and fall, one end of the hoisting stay rope is fixedly connected to a boss of the lower frame, the hoisting stay rope is clamped in a hook groove of the upper frame, the reversing executing assembly is arranged on the sliding reversing tee joint, and the pneumatic driving assembly is arranged on the reversing executing assembly.
As preferred, the switching-over execute subassembly includes the switching-over steel wire, prevents flattening trachea and steel wire pull nut, on the square guide part of tee bend is located to the one end of switching-over steel wire, the switching-over steel wire twines on the baffle spliced pole, switching-over steel wire block slides and locates in the steel wire sealing member, the switching-over steel wire is arranged in preventing flattening the trachea, and through the mode of pull switching-over steel wire, can control the slip switching-over tee bend and slide to switch over the function in two sets of casings air inlet and outlet holes each other, change driven direction, prevent flattening tracheal one end rigid coupling in tee bend trunk line department, steel wire pull nut rigid coupling is in the tip of switching-over steel wire, steel wire pull nut is located on the pneumatic drive subassembly.
As a further preferred aspect of the present invention, the pneumatic driving assembly includes a one-way vent valve, a spherical air bag, and a nut adjusting threaded pipe, the one-way vent valve is engaged with two ends of the spherical air bag, the one-way vent valve is located inside the spherical air bag, the spherical air bag is engaged with the anti-collapse air pipe, the nut adjusting threaded pipe is engaged with an end of the spherical air bag, external air can continuously enter the circular through hole of the housing through the housing air inlet and outlet hole by continuously pressing the spherical air bag, and the steel wire drawing nut is in threaded connection with the nut adjusting threaded pipe.
The invention with the structure has the following beneficial effects:
(1) the imitation fixed pulley hoisting support mechanism is a hoisting mechanism taking the existing rack or an external support as a reference;
(2) the positions of two hoisting points on the steel member to be hoisted can be changed through the double-drive type synchronous driving mechanism;
(3) the pneumatic bidirectional driving mechanism has the function of changing the moving direction, and the moving direction can be manually changed and driven in a mechanical mode through a group of driving mechanisms;
(4) the clapboard connecting column can be used as a fulcrum of the reversing steel wire and can serve as a fixed pulley in the sliding process of the reversing steel wire;
(5) the air tightness of the motor center wheel shaft during rotation is improved through the end sealing piece;
(6) when the sliding reversing tee is positioned on two stations, one group of the branch pipelines of the tee can be communicated with the circular through hole of the shell through the air inlet and outlet holes of the shell, and the other group of the branch pipelines of the tee is blocked;
(7) the partition plate connecting column can push the sliding reversing tee joint to the end part under the condition that external force is not applied to the sliding reversing tee joint, so that the movement of the sliding reversing tee joint becomes controllable;
(8) the hoisting stay rope is kept in a tightened state in the hoisting process, so that the double-drive synchronous driving mechanism can be prevented from falling off from the steel member to be hoisted, the hoisting stay rope is slowly released after welding is completed, and the upper rack body and the lower rack body can be naturally opened and fall down;
(9) the double-drive synchronous component can drive the double-drive synchronous driving mechanism to slide on the steel member to be hoisted by two driving wheels, so that the overall friction force can be increased, and the slipping phenomenon caused by the failure of one group of driving wheels can be effectively avoided;
(10) the sliding reversing tee joint can be controlled to slide in a pulling reversing steel wire mode, so that the functions of the air inlet and outlet holes of the two groups of shells are switched mutually, and the driving direction is changed;
(11) through the mode of constantly pressing spherical gasbag, can make external air, constantly get into in the circular through-hole of casing through casing inlet and outlet hole.
Drawings
FIG. 1 is a perspective view of a pre-positioned steel structure welding pre-positioning hoisting device provided by the invention;
FIG. 2 is a front view of a pre-positioned steel structure welding pre-positioning hoisting device provided by the invention;
FIG. 3 is a top view of a pre-positioned steel structure welding pre-positioning hoisting device provided by the invention;
FIG. 4 is a cross-sectional view taken along section line A-A of FIG. 2;
FIG. 5 is a cross-sectional view taken along section line B-B of FIG. 4;
FIG. 6 is a cross-sectional view taken along section line C-C of FIG. 5;
FIG. 7 is a schematic structural diagram of a pneumatic bidirectional driving mechanism of a preset steel structure welding prepositioning hoisting device provided by the invention;
FIG. 8 is a schematic structural diagram of a double-drive type synchronous driving mechanism of the preset steel structure welding pre-positioning hoisting device provided by the invention;
FIG. 9 is a schematic single-side structure diagram of a pre-positioned steel structure welding pre-positioning hoisting device provided by the invention;
FIG. 10 is a schematic structural diagram of a fixed pulley-imitating hoisting support mechanism of the preset steel structure welding prepositioning hoisting device provided by the invention;
FIG. 11 is an enlarged view of a portion of FIG. 4 at I;
FIG. 12 is an enlarged view of a portion of FIG. 5 at II;
fig. 13 is a partial enlarged view of fig. 5 at iii.
Wherein, 1, a pneumatic bidirectional driving mechanism, 2, a double-drive synchronous driving mechanism, 3, a steel member to be hoisted, 4, an imitated fixed pulley hoisting supporting mechanism, 5, a high-pressure pneumatic advancing motor, 6, an elastic self-resetting reversing device, 7, a motor main body shell, 8, a motor center wheel shaft, 9, a motor end sealing plate, 10, a motor driving synchronous wheel, 11, a sliding reversing tee joint, 12, a steel wire sealing element, 13, a tee joint resetting spring, 14, a shell circular through hole, 15, a shell air inlet and outlet hole, 16, a shell guide sliding chute, 17, a shell center clapboard, 18, a clapboard gap, 19, a clapboard connecting column, 20, a cavity separating blade, 21, an end sealing sheet, 22, a wheel shaft center main shaft, 23, a tee joint main pipe, 24, a tee joint branch pipe, 25, a tee joint square guide part, 26, a tee joint longitudinal round hole, 27, an open-close type rack main body, 28. the double-drive synchronous component comprises a double-drive synchronous component 29, an upper frame body 30, a lower frame body 31, a hinged hinge 32, a bottom supporting wheel 33, a driving wheel body 34, a motor driven synchronous wheel 35, a driving toothed belt 36, a driving wheel synchronous gear 37, a synchronous belt 38, an upper frame sliding groove 39, an upper frame hook groove 40, a lower frame boss 41, a reference circular steel component 42, a hoisting pull rope 43, a reversing execution component 44, a pneumatic driving component 45, a reversing steel wire 46, a flattening prevention air pipe 47, a steel wire drawing nut 48, a one-way vent valve 49, a spherical air bag 50 and a nut adjusting threaded pipe.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in figure 1, the invention provides a preset steel structure welding prepositioning hoisting device, which comprises a pneumatic bidirectional driving mechanism 1, a double-drive synchronous driving mechanism 2, a steel member 3 to be hoisted and a fixed pulley-imitating hoisting supporting mechanism 4, wherein the fixed pulley-imitating hoisting supporting mechanism 4 is a hoisting mechanism taking the existing frame or external support as a reference, the double-drive synchronous driving mechanism 2 is arranged on the fixed pulley-imitating hoisting supporting mechanism 4, the positions of two hoisting points on the steel member 3 to be hoisted can be changed through the double-drive synchronous driving mechanism 2, the steel member 3 to be hoisted is arranged in the double-drive synchronous driving mechanism 2, the pneumatic bidirectional driving mechanism 1 is arranged in the double-drive synchronous driving mechanism 2, the pneumatic bidirectional driving mechanism 1 has the function of changing the moving direction, the direction of travel can be changed and the drive achieved manually, mechanically, by a set of drive mechanisms.
As shown in fig. 1, 3, 4, 10, 11 and 13, the fixed pulley-imitating hoisting support mechanism 4 comprises a reference round steel member 41, a hoisting rope 42, a reversing execution assembly 43 and a pneumatic drive assembly 44, wherein the reference round steel member 41 is positioned on an external frame, the reference round steel member 41 is used as a reference position for hoisting, the hoisting rope 42 is slidably arranged on the reference round steel member 41, and the steel member 3 to be hoisted can be hoisted and lifted by pulling the hoisting rope 42; only the tightening state of the hoisting pull rope 42 is kept in the hoisting process, the double-drive synchronous driving mechanism 2 can be prevented from falling off from the steel member 3 to be hoisted, the hoisting pull rope 42 is slowly released after welding is completed, the upper rack body 29 and the lower rack body 30 can be naturally opened and fall down, one end of the hoisting pull rope 42 is fixedly connected to the lower rack boss 40, the hoisting pull rope 42 is clamped in the upper rack hook groove 39, the reversing execution assembly 43 is arranged on the sliding reversing tee joint 11, and the pneumatic driving assembly 44 is arranged on the reversing execution assembly 43; the reversing executing assembly 43 comprises a reversing steel wire 45, a flattening prevention air pipe 46 and a steel wire drawing nut 47, one end of the reversing steel wire 45 is arranged on the square guide part 25 of the tee joint, the reversing steel wire 45 is wound on the partition connecting column 19, the reversing steel wire 45 is clamped and slidably arranged in the steel wire sealing part 12, the reversing steel wire 45 is positioned in the flattening prevention air pipe 46, and the sliding of the sliding reversing tee joint 11 can be controlled in a manner of drawing the reversing steel wire 45, so that the functions of the air inlet and outlet holes 15 of the two groups of shells are switched mutually, the driving direction is changed, one end of the flattening prevention air pipe 46 is fixedly connected to the main tee joint pipe 23, the steel wire drawing nut 47 is fixedly connected to the end part of the reversing steel wire 45, and the steel wire drawing nut 47 is arranged on the pneumatic driving assembly 44; the pneumatic driving assembly 44 comprises a one-way vent valve 48, a spherical air bag 49 and a nut adjusting threaded pipe 50, wherein the one-way vent valve 48 is clamped at two ends of the spherical air bag 49, the one-way vent valve 48 is positioned inside the spherical air bag 49, the spherical air bag 49 is clamped on the anti-flattening air pipe 46, the nut adjusting threaded pipe 50 is clamped at the end part of the spherical air bag 49, external air can be enabled to enter the circular through hole 14 of the shell through the shell air inlet and outlet hole 15 continuously in a mode of continuously pressing the spherical air bag 49, and the steel wire drawing nut 47 is in threaded connection with the nut adjusting threaded pipe 50.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, and fig. 8, the double-drive synchronous driving mechanism 2 includes an open-close type rack main body 27 and a double-drive synchronous component 28, the open-close type rack main body 27 is disposed on the fixed pulley-imitating hoisting support mechanism 4, and the double-drive synchronous component 28 is rotatably disposed in the open-close type rack main body 27; the opening-closing type rack main body 27 comprises an upper rack body 29, a lower rack body 30, a hinged hinge 31 and a bottom supporting wheel 32, wherein an upper rack sliding groove 38 and an upper rack hook groove 39 are formed in the upper rack body 29, a motor main body shell 7 is fixedly connected to the bottom of the upper rack body 29, the upper rack body 29 and the lower rack body 30 are rotatably connected through the hinged hinge 31, and a steel member 3 to be hoisted is fastened in the double-drive type synchronous driving mechanism 2 through clamping force between the upper rack body 29 and the lower rack body 30; meanwhile, after welding is finished, the double-drive synchronous driving mechanism 2 can be controlled to fall off from the steel member 3 to be hoisted, a lower rack boss 40 is arranged on the lower rack body 30, the lower rack body 30 is fixedly connected to the fixed pulley imitating hoisting support mechanism 4 through the lower rack boss 40, and the bottom support wheel 32 is rotatably arranged in the lower rack body 30; the double-drive synchronous component 28 comprises a driving wheel body 33, a motor driven synchronous wheel 34, a driving toothed belt 35, a driving wheel synchronous gear 36 and a synchronous belt 37, the double-drive synchronous component 28 can drive the double-drive synchronous driving mechanism 2 to slide on the steel member 3 to be hoisted, the whole friction force can be increased, and the slipping phenomenon caused by the failure of a group of driving wheels can be effectively avoided, the driving wheel body 33 is rotatably arranged in the upper frame body 29, the motor driven synchronous wheel 34 is clamped on the driving wheel body 33, the motor driven synchronous wheel 34 and the motor driven synchronous wheel 10 are in transmission connection through the driving toothed belt 35, the driving wheel synchronous gear 36 is clamped on the driving wheel body 33, and the two driving wheel synchronous gears 36 are in transmission connection through the synchronous belt 37.
As shown in fig. 1, the steel member 3 to be hoisted is in rolling contact with the driving wheel body 33, and the steel member 3 to be hoisted is in rolling contact with the bottom support wheel 32.
As shown in fig. 1, 7, 9 and 12, the pneumatic bidirectional driving mechanism 1 includes a high-pressure pneumatic travel motor 5 and an elastic self-resetting reversing device 6, the high-pressure pneumatic travel motor 5 is disposed in the dual-drive synchronous driving mechanism 2, and the elastic self-resetting reversing device 6 is slidably disposed on the high-pressure pneumatic travel motor 5; the high-pressure pneumatic type advancing motor 5 comprises a motor main body shell 7, a motor center wheel shaft 8, a motor end sealing plate 9 and a motor driving synchronous wheel 10, wherein the motor main body shell 7 is fixedly connected to the double-drive type synchronous driving mechanism 2, a shell circular through hole 14 is formed in the motor main body shell 7, shell air inlet and outlet holes 15 communicated with the shell circular through hole 14 are symmetrically formed in the upper portion of the shell circular through hole 14 of the motor main body shell 7, the two groups of shell air inlet and outlet holes 15 have air inlet and exhaust functions respectively, the functions of the two groups of shell air inlet and outlet holes 15 can be interchanged, a shell guide chute 16 is arranged above the motor main body shell 7, a shell center partition plate 17 is arranged in the center of the shell guide chute 16, a partition plate notch 18 is formed in the shell center partition plate 17, a partition plate connecting column 19 is arranged at the position of the partition plate notch 18, and the partition plate connecting column 19 can be used as a fulcrum of a reversing steel wire 45, the reversing steel wire 45 acts as a fixed pulley in the sliding process, the cavity separating blades 20 are annularly distributed on the motor center wheel shaft 8, the end parts of the cavity separating blades 20 are provided with end sealing pieces 21, the motor center wheel shaft 8 is rotatably arranged in the shell circular through hole 14 through the end sealing pieces 21, the end sealing pieces 21 are in sliding sealing contact with the inner wall of the shell circular through hole 14, the air tightness of the motor center wheel shaft 8 during rotation is improved through the end sealing pieces 21, the motor center wheel shaft 8 is provided with a wheel shaft center spindle 22, the motor end sealing plates 9 are symmetrically arranged at two ends of the motor main body shell 7, the wheel shaft center spindle 22 is rotatably arranged in the motor end sealing plate 9, and the motor driving synchronizing wheel 10 is clamped on one end of the wheel shaft center spindle 22; the elastic self-resetting reversing device 6 comprises a sliding reversing tee 11, a steel wire sealing element 12 and a tee return spring 13, wherein the sliding reversing tee 11 is provided with a tee main pipeline 23, the sliding reversing tee 11 is symmetrically provided with tee branch pipelines 24, the sliding reversing tee 11 is provided with a tee square guide part 25 on the tee branch pipeline 24, when the sliding reversing tee 11 is at two stations, one group of the tee branch pipelines 24 can be communicated with a shell circular through hole 14 through a shell air inlet and outlet hole 15, the other group of the tee branch pipelines 24 is blocked, the tee square guide part 25 is clamped and slidably arranged in a shell guide chute 16, the sliding reversing tee 11 is also provided with a tee longitudinal round hole 26, the steel wire sealing element 12 is clamped and arranged in the tee longitudinal round hole 26, one end of the tee return spring 13 is arranged on a shell central partition plate 17, and the other end of the return spring 13 is arranged on one group of the sides of the tee square guide parts 25, the partition connecting column 19 can push the slide commutation tee 11 to the end without applying an external force to the slide commutation tee 11, so that the movement of the slide commutation tee 11 becomes controllable.
When the lifting rope is used specifically, firstly, a user needs to make the lifting rope 42 and the reversing executing component 43 bypass the reference round steel component 41 at a proper position in a throwing, clamping or climbing mode and the like, then naturally hang down, then wind the free end of the lifting rope 42 through a winding device placed on the ground, and hold the spherical air bag 49 in the hand by an operator;
clamping the upper frame body 29 and the lower frame body 30 on the steel member 3 to be hoisted, and placing the hoisting pull rope 42 in the upper frame hook groove 39 and then starting the hoisting device on the ground to slightly tighten the hoisting pull rope 42 and prevent the hoisting pull rope 42 from falling off from the upper frame hook groove 39;
when the self angle or the longitudinal height of the steel member 3 to be hoisted needs to be changed in the hoisting plane, the control can be realized by carrying out linkage retraction on the two groups of hoisting pull ropes 42;
when the horizontal position of the steel member 3 to be hoisted needs to be changed, the position of a hoisting point on the steel member 3 to be hoisted needs to be changed, the spherical air bag 49 is circularly extruded by hands at the moment, air in the spherical air bag 49 can enter the three-way main pipeline 23 through the flattening prevention air pipe 46, and because one group of the three-way branch pipelines 24 is blocked, compressed air can enter the circular through hole 14 of the shell from the air inlet and outlet hole 15 of the shell through the other group of the three-way branch pipelines 24, so that the air pressure in the cavity which is communicated with the outside and continuously enters the air at the moment in the cavity surrounded by the cavity separation blades 20 is increased, and the center wheel shaft 8 of the motor is driven to rotate;
when the motor central wheel shaft 8 rotates, the motor driving synchronizing wheel 10 and the motor driven synchronizing wheel 34 drive one group of the driving wheel bodies 33 to rotate, the two groups of driving wheel bodies 33 are transmitted through the driving wheel synchronizing gear 36 and the synchronizing belt 37, and because two ends of the one-way vent valve 48 are respectively provided with one group of one-way vent valves 48, air can be only conveyed into the sliding reversing tee joint 11 from the outside when the spherical air bag 49 is pressed, and cannot flow reversely;
when the spherical air bag 49 is pressed, the motor central wheel shaft 8 can simultaneously drive the two groups of driving wheel bodies 33 to rotate, so that the relative positions of the opening-closing type rack main body 27 and the steel member 3 to be hoisted are changed, namely the hoisting reference point is changed, and the transverse position of the steel member 3 to be hoisted is adjusted;
when the opening and closing type rack main body 27 needs to be reversely adjusted, only the steel wire drawing nut 47 needs to be rotated, when the steel wire drawing nut 47 rotates outwards along the nut adjusting threaded pipe 50, the reversing steel wire 45 can be drawn for a certain distance, when the reversing steel wire 45 is drawn, the sliding reversing tee 11 can slide by overcoming the elasticity of the tee return spring 13, a group of originally blocked tee branch pipelines 24 is communicated with the shell air inlet and outlet hole 15, a group of originally communicated tee branch pipelines 24 with the shell air inlet and outlet hole 15 is blocked, at the moment, the spherical air bag 49 is pressed again, and the central wheel shaft 8 of the motor can reversely rotate;
pre-welding and welding are carried out after the steel member is hoisted to a specified position, the hoisting pull rope 42 is loosened after welding is finished, the steel member 3 to be hoisted is fixed, the lower rack body 30 is separated from the upper rack body 29 under the action of self weight and falls down, and the hoisting pull rope 42 is taken out of the upper rack hook groove 39 after falling to the ground;
and finally, taking the double-drive synchronous driving mechanism 2 as a reference, and recovering the hoisting pull rope 42 and the reversing executing component 43.
The above is the overall working process of the invention, and the steps are repeated when the device is used next time.
As another new embodiment of the invention, in the general horizontal position adjustment, only the relative positions of the open-close type frame main body 27 at one end and the steel member 3 to be hoisted need to be adjusted, and when the adjustable double-drive type synchronous driving mechanism 2 is arranged at both ends, the horizontal position adjustment range can be enlarged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a preset steel construction welding is hoist and mount device for prepositioning which characterized in that: the steel structure hoisting device comprises a pneumatic bidirectional driving mechanism (1), a double-drive synchronous driving mechanism (2), a steel structure (3) to be hoisted and an imitated fixed pulley hoisting supporting mechanism (4), wherein the double-drive synchronous driving mechanism (2) is arranged on the imitated fixed pulley hoisting supporting mechanism (4), the steel structure (3) to be hoisted is arranged in the double-drive synchronous driving mechanism (2), and the pneumatic bidirectional driving mechanism (1) is arranged in the double-drive synchronous driving mechanism (2); the pneumatic bidirectional driving mechanism (1) comprises a high-pressure pneumatic advancing motor (5) and an elastic self-resetting reversing device (6), the high-pressure pneumatic advancing motor (5) is arranged in the double-drive synchronous driving mechanism (2), and the elastic self-resetting reversing device (6) is arranged on the high-pressure pneumatic advancing motor (5) in a sliding mode;
the high-pressure pneumatic type traveling motor (5) comprises a motor main body shell (7), a motor center wheel shaft (8), a motor end sealing plate (9) and a motor driving synchronizing wheel (10), wherein the motor main body shell (7) is fixedly connected to the double-drive type synchronous driving mechanism (2), a shell circular through hole (14) is formed in the motor main body shell (7), shell air inlet and outlet holes (15) communicated with the shell circular through hole (14) are symmetrically formed in the upper portion of the shell circular through hole (14) of the motor main body shell (7), a shell guide sliding groove (16) is formed in the upper portion of the motor main body shell (7), a shell center partition plate (17) is arranged in the center position of the shell guide sliding groove (16), a partition plate notch (18) is formed in the shell center partition plate (17), and a partition plate connecting column (19) is arranged at the partition plate notch (18), cavity separating blades (20) are annularly distributed on the central wheel shaft (8) of the motor, end sealing pieces (21) are arranged at the ends of the cavity separating blades (20), the central wheel shaft (8) of the motor is rotatably arranged in a circular through hole (14) of the shell through the end sealing pieces (21), the end sealing pieces (21) are in sliding sealing contact with the inner wall of the circular through hole (14) of the shell, a wheel shaft central spindle (22) is arranged on the central wheel shaft (8) of the motor, the motor end sealing plates (9) are symmetrically arranged at two ends of a shell (7) of the motor main body, the wheel shaft central spindle (22) is rotatably arranged in the motor end sealing plates (9), and the motor driving synchronizing wheel (10) is clamped on one end of the wheel shaft central spindle (22);
the elastic self-resetting reversing device (6) comprises a sliding reversing tee joint (11), a steel wire sealing piece (12) and a tee joint return spring (13), a three-way main pipeline (23) is arranged on the sliding reversing three-way (11), three-way branch pipelines (24) are symmetrically arranged on the sliding reversing three-way (11), the sliding reversing tee joint (11) is provided with a tee square guide part (25) on a tee branch pipeline (24), the three-way square guide part (25) is clamped and slidably arranged in the shell guide chute (16), the sliding reversing tee joint (11) is also provided with a tee joint longitudinal round hole (26), the steel wire sealing element (12) is clamped in the three-way longitudinal circular hole (26), one end of the three-way return spring (13) is arranged on the central clapboard (17) of the shell, the other end of the three-way return spring (13) is arranged on one group of side surfaces of the three-way square guide part (25);
the double-drive synchronous driving mechanism (2) comprises an open-close type rack main body (27) and a double-drive synchronous component (28), the open-close type rack main body (27) is arranged on the simulated fixed pulley hoisting support mechanism (4), and the double-drive synchronous component (28) is rotatably arranged in the open-close type rack main body (27);
the opening-closing type rack main body (27) comprises an upper rack body (29), a lower rack body (30), a hinged hinge (31) and a bottom supporting wheel (32), an upper rack sliding groove (38) and an upper rack hook groove (39) are formed in the upper rack body (29), the motor main body shell (7) is fixedly connected to the bottom of the upper rack body (29), the upper rack body (29) and the lower rack body (30) are rotatably connected through the hinged hinge (31), a lower rack boss (40) is formed in the lower rack body (30), the lower rack body (30) is fixedly connected to the fixed pulley imitating hoisting supporting mechanism (4) through the lower rack boss (40), and the bottom supporting wheel (32) is rotatably arranged in the lower rack body (30);
two synchronous subassemblies that drive (28) are including drive wheel body (33), motor driven synchronizing wheel (34), drive cingulum (35), drive wheel synchronizing gear (36) and synchronous belt (37), drive wheel body (33) rotate locate in frame body (29), motor driven synchronizing wheel (34) block is located on drive wheel body (33), motor driven synchronizing wheel (34) and motor drive synchronizing wheel (10) are connected through drive cingulum (35) transmission, drive wheel synchronizing gear (36) block is located on drive wheel body (33), and two drive wheel synchronizing gear (36) are connected through synchronous belt (37) transmission.
2. The preset steel structure welding prepositioning hoisting device of claim 1, which is characterized in that: treat hoisting steel member (3) and drive wheel body (33) rolling contact, treat hoisting steel member (3) and bottom sprag wheel (32) rolling contact.
3. The preset steel structure welding prepositioning hoisting device of claim 2, wherein: imitative fixed pulley hoist and mount supporting mechanism (4) include benchmark round steel member (41), hoist and mount stay cord (42), switching-over executive component (43) and pneumatic drive subassembly (44), benchmark round steel member (41) is located outside the frame, hoist and mount stay cord (42) slide locate on benchmark round steel member (41), the one end rigid coupling of hoist and mount stay cord (42) is on lower frame boss (40), hoist and mount stay cord (42) block is in last frame groove (39), on sliding reversing tee bend (11) is located in switching-over executive component (43), pneumatic drive subassembly (44) are located on switching-over executive component (43).
4. The preset steel structure welding prepositioning hoisting device of claim 3, wherein: reversing execution assembly (43) include reversing steel wire (45), prevent flattening trachea (46) and steel wire pull nut (47), on the square guide part of tee bend (25) is located to the one end of reversing steel wire (45), reversing steel wire (45) twine on baffle spliced pole (19), reversing steel wire (45) block slides and locates in steel wire sealing member (12), reversing steel wire (45) are arranged in preventing flattening trachea (46), prevent flattening trachea (46) one end rigid coupling in tee bend trunk line (23) department, steel wire pull nut (47) rigid coupling in the tip of reversing steel wire (45), pneumatic drive assembly (44) is located in steel wire pull nut (47).
5. The preset steel structure welding prepositioning hoisting device according to claim 4, wherein: the pneumatic driving assembly (44) comprises a one-way vent valve (48), a spherical air bag (49) and a nut adjusting threaded pipe (50), the two ends of the spherical air bag (49) are arranged in a clamping mode of the one-way vent valve (48), the one-way vent valve (48) is located inside the spherical air bag (49), the spherical air bag (49) is arranged on an anti-collapse air pipe (46) in a clamping mode, the nut adjusting threaded pipe (50) is arranged at the end portion of the spherical air bag (49) in a clamping mode, and the steel wire drawing nut (47) and the nut adjusting threaded pipe (50) are in threaded connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210559370.3A CN114634092B (en) | 2022-05-23 | 2022-05-23 | Preset steel structure welding prepositioning hoisting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210559370.3A CN114634092B (en) | 2022-05-23 | 2022-05-23 | Preset steel structure welding prepositioning hoisting device |
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| CN114634092A CN114634092A (en) | 2022-06-17 |
| CN114634092B true CN114634092B (en) | 2022-08-05 |
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| US11034557B2 (en) * | 2017-06-29 | 2021-06-15 | Christopher Hartke | Rail-guided lifting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102005030969A1 (en) * | 2005-06-15 | 2006-12-21 | Kronimus Ag | Hoist system especially for removing cast concrete preforms from shuttering has a spreader frame with position adjustable slings and with one slid length adjustable |
| CN201739139U (en) * | 2010-06-22 | 2011-02-09 | 厦门爱家康科技有限公司 | Transmission assembly of air bag pump |
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| CN114634092A (en) | 2022-06-17 |
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