CN116040475A - Easy-to-operate variable-span beam lifting machine - Google Patents
Easy-to-operate variable-span beam lifting machine Download PDFInfo
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- CN116040475A CN116040475A CN202310345860.8A CN202310345860A CN116040475A CN 116040475 A CN116040475 A CN 116040475A CN 202310345860 A CN202310345860 A CN 202310345860A CN 116040475 A CN116040475 A CN 116040475A
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- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 230000008093 supporting effect Effects 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 2
- 239000010720 hydraulic oil Substances 0.000 claims 3
- 238000010276 construction Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
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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
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
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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
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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
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
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- Civil Engineering (AREA)
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a variable-span beam lifting machine easy to operate, which comprises a main beam, wherein a first bracket is arranged below the main beam, a second bracket is also arranged below the main beam, a plurality of groups of moving wheels are arranged at the bottoms of the first bracket and the second bracket, and supporting legs are arranged between the plurality of groups of moving wheels; the lower parts of the first bracket and the second bracket are respectively provided with a connecting seat, and the outer parts of the connecting seats are respectively provided with an adjusting mechanism for pushing the first bracket and the second bracket to approach each other; the adjusting mechanism comprises a supporting plate positioned at one side of the connecting seat, one side of the connecting seat is provided with a limiting mechanism for driving the supporting plate to rotate to be vertically supported with the ground, and the limiting mechanism is connected with the adjusting mechanism; in the easy-to-operate variable-span beam lifter, the auxiliary mechanism is matched with the adjusting mechanism, and the distance between the first bracket and the second bracket can be more easily close to each other through the mutual matching of the adjusting mechanism and the limiting mechanism, so that the variable-span operation of the beam lifter is realized under the condition that the disassembly work is not carried out, and the beam lifter is more easily adapted to different construction environments.
Description
Technical Field
The invention relates to the technical field of box girder transportation, in particular to a span-changing beam lifting machine easy to operate.
Background
The girder lifting machine is a gantry crane specially designed for bridge construction. The beam lifting machine mainly comprises an assembled main beam, supporting legs, crown blocks and the like, and the components are connected by adopting pin shafts and high-strength bolts, so that the beam lifting machine is easy to disassemble, assemble and transport; compared with the common portal crane, the portal crane is convenient and quick to install, economical and practical. The tire type girder lifting machine is suitable for road and bridge construction units which flow frequently, at present, the construction of domestic high-speed railways is formally started, the prefabrication engineering of concrete box girders is started successively, but simultaneously, the tire type girder lifting machine for transporting the concrete box girders on a working site is used for more and more application in girder fields according to the flexibility of the tire type girder lifting machine in a running mode.
When the existing beam lifting machine is used, the construction period is generally 2 to 5 years, the beam lifting machine is used for lifting construction site installation components, precast beams and the like, the construction sites are needed to be replaced for multiple times, the beam lifting machine is used for conveniently carrying the beam lifting machine, the span of construction sites is quite large, but the use sites of the construction sites are different, the beam lifting machine is used for installing different use spans on different construction sites, when the existing beam lifting machine is used for changing the span, the beam lifting machine is usually required to be assembled by re-allocating the machine according to the site conditions after all parts of the beam lifting machine are detached, the time and the labor are consumed in the installation process, the working efficiency is influenced, and the beam lifting machine is difficult to adapt to complex and changeable construction environments. Therefore, we propose a span-changing beam lifting machine which is easy to operate.
Disclosure of Invention
The invention aims to provide a span-changing beam lifting machine which is easy to operate, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the variable-span beam lifting machine easy to operate comprises a main beam, wherein a first support is arranged below the main beam, a second support is also arranged below the main beam, a plurality of groups of moving wheels are arranged at the bottoms of the first support and the second support, and supporting legs are arranged between the plurality of groups of moving wheels; the lower parts of the first bracket and the second bracket are respectively provided with a connecting seat, and the outer parts of the connecting seats are respectively provided with an adjusting mechanism for pushing the first bracket and the second bracket to mutually approach; the adjusting mechanism comprises a supporting plate positioned at one side of the connecting seat, one side of the connecting seat is provided with a limiting mechanism for driving the supporting plate to rotate to be vertically supported with the ground, and the limiting mechanism is connected with the adjusting mechanism; and an auxiliary mechanism for reducing the friction force between the first bracket and the main beam and between the second bracket and the main beam is arranged in the main beam, and the auxiliary mechanism is matched with the adjusting mechanism.
Preferably, the adjustment mechanism includes the fan that is located connecting seat one side, one side of fan is equipped with connecting pipe one, connecting pipe one's both ends all are equipped with the barrel, the inside of barrel is equipped with connecting axle one, connecting axle one is located the inside of connecting seat and rotates rather than being connected, connecting axle one's outer wall is equipped with the polylith baffle, the backup pad is located connecting axle one's outer wall and rather than fixed connection, the bottom of barrel is equipped with connecting pipe two, connecting pipe two's one end is equipped with the hollow box, connecting pipe two has the ductility, one side and the connecting seat fixed connection of hollow box.
Preferably, the stop gear is including the spacing that is located the connecting seat bottom, the backup pad includes protruding portion and recess, the surface of spacing is equipped with the spout that supplies protruding portion joint, the bottom of spacing is equipped with many spliced poles, the outer wall of spliced pole is equipped with the butt baffle, be equipped with many springs between butt baffle and the spacing, the tip molding of butt baffle is the inclined plane.
Preferably, a hydraulic cylinder is arranged below the main beam, a fixing frame is arranged outside the hydraulic cylinder, one side of the fixing frame is fixedly connected with the main beam, the end part of the hydraulic cylinder is in contact with the first bracket, a fixing plate is arranged at the top of the first bracket, and a notch for the fixing plate to slide is formed in the main beam.
Preferably, the auxiliary mechanism comprises a second connecting shaft inside the fixing plate, a plurality of rollers are arranged on the outer wall of the second connecting shaft, the outer walls of the rollers are in contact with the inner wall of the main beam, a cleaning roller is arranged inside the fixing plate, the cleaning roller is located on the outer wall of the second connecting shaft and fixedly connected with the outer wall of the second connecting shaft, a plurality of conical sponges are arranged on one side of the cleaning roller, and the diameter of the cleaning roller is larger than that of the rollers.
Preferably, one side of girder is equipped with the stopper, the stopper includes the insert portion, the inside of support one is equipped with a plurality of spacing holes that supply insert portion spacing, the side of the regional support of inclined plane of insert portion is kept out each other, the top of stopper is equipped with a plurality of electric telescopic handle, electric telescopic handle has the automatic re-setting function.
Preferably, the inner wall of the chute is provided with a trigger piece, one end of the limiting strip is provided with a transmitter, the trigger piece is electrically connected with the transmitter, and the transmitter can transmit a starting signal to the control end of the hydraulic cylinder.
Preferably, the bottom of spacing is equipped with connecting plate one, the inside of connecting plate one is equipped with spacing post, the outer wall of spacing post is equipped with the pull rod, the one end of spacing post is equipped with connecting plate two, the bottom of connecting plate two and fender board sliding connection, the inside of connecting plate one is equipped with the gliding arc groove of confession spacing post, the one end of spacing is equipped with the rotation clamp that supports the pull rod, the inside of rotating the clamp is equipped with the connecting axle three.
Preferably, during the rotation of the support plate downwards along the connecting shaft, the front end portion of the protruding portion and the large inclined surface area of the abutment plate abut against each other.
Preferably, the center-to-center distance between the adjacent insertion parts is equal to the sum of the center distances of the two limiting holes.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the adjusting mechanism and the limiting mechanism are arranged, so that in the process of changing the stride, the whole of the girder lifting machine can be lifted by one end distance through four supporting legs, then the baffle plate of the barrel is pushed to rotate by utilizing the air flow generated by the fan, and the support plate is finally in a state of being mutually perpendicular to the ground by the rotating connecting shaft I; on the one hand, the baffle in the cylinder body is not rotated any more under the supporting effect of the supporting plate, so that the air flow generated by the fan can be resisted by the connecting seat on one side of the hollow box through the second connecting pipe at the same time, and the connecting seat and the first bracket slide along the first connecting shaft at the same time; on the other hand, because the protruding portion of the supporting plate is clamped with the sliding groove of the limiting strip, the trigger piece positioned on the inner wall of the sliding groove is triggered, and then the transmitter transmits a starting signal to the hydraulic cylinder on the main beam, so that the hydraulic cylinder positioned on the upper part of the beam lifter and the fan positioned on the lower part of the beam lifter push the support which needs to be changed in the same time period, the two pushing devices are matched with each other, the distance between the support I and the support II can be more easily closed, the beam lifter is changed in the condition that the disassembly work is not carried out, and the beam lifter is more easily adapted to different construction environments.
2. According to the invention, the auxiliary mechanism is arranged, in the process that the first bracket moves below the main beam, the fixing plate positioned in the main beam moves along with the first bracket in the notch, meanwhile, the roller wheel connected with the outer wall of the second shaft rolls under the resistance of the roller wheel and the inner wall of the main beam, so that the friction force between the main beam and the first bracket is reduced, the first bracket is more convenient to slide, and meanwhile, the diameter of the cleaning roller is larger than that of the roller wheel, so that the tapered sponge on the two sides of the cleaning roller can effectively clean the embroidered sheets and silt possibly existing in the inner wall of the notch before the roller wheel slides, the roller wheel can further conveniently and effectively slide on the inner wall of the main beam, and the auxiliary mechanism and the regulating mechanism are mutually matched, so that the span changing efficiency of the girder lifting machine is effectively improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of another angle structure of the present invention;
FIG. 3 is an enlarged view of the structure of area A in FIG. 2 according to the present invention;
FIG. 4 is a partial cross-sectional view of the present invention;
FIG. 5 is an enlarged view of the structure of area B in FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic view of a partial structure of the present invention;
FIG. 7 is a schematic view of a partial structure of the present invention;
FIG. 8 is a schematic view of a sliding mechanism according to the present invention;
fig. 9 is an enlarged view of the structure of the region C in fig. 8 according to the present invention.
In the figure: 1-a main beam; 2-a first bracket; 3-a second bracket; 4-moving wheels; 5-supporting legs; 6-connecting seats; 7-an adjusting mechanism; 71-a support plate; 711-protrusion; 712-groove; 72-a fan; 73-connecting the first pipe; 74-cylinder; 75-connecting shaft I; 76-baffle; 77-connecting the pipe II; 78-hollow box; 8-a limiting mechanism; 81-limiting strips; 82-sliding grooves; 83-connecting columns; 84-a baffle; 85-springs; 9-an auxiliary mechanism; 91-connecting a second shaft; 92-rolling wheels; 93-cleaning rollers; 94-conical sponge; 10-limiting blocks; 101-an insertion portion; 11-limiting holes; 12-an electric telescopic rod; 13-triggering piece; 14-an emitter; 15-a hydraulic cylinder; 16-fixing frame; 17-a fixed plate; 18-notch; 19-connecting plate I; 20-limiting columns; 21-a pull rod; 22-connecting a plate II; 23-arc grooves; 24-rotating the clamp; 25-connecting shaft three.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, the present invention provides a technical solution: the scheme solves the problems that when the prior girder lifting machine is used for changing the span, after all parts of the girder lifting machine are usually required to be disassembled and the machine is allocated again for assembly according to the site condition, the time and the labor are consumed in the installation process, the working efficiency is influenced, and the complex and changeable construction environment is difficult to adapt to the problems, and the scheme is correspondingly improved aiming at the problems, and comprises a girder 1, a bracket I2 is arranged below the girder 1, a bracket II 3 is also arranged below the girder 1, the driving structures above the bracket I2 and the bracket II 3 are completely identical, so the following description is given by way of example of the bracket I2, a hydraulic cylinder 15 is arranged below the girder 1, a fixing frame 16 is arranged outside the hydraulic cylinder 15 and fixedly connected with the hydraulic cylinder, one side of the fixing frame 16 is fixedly connected with the girder 1, and the end part of the hydraulic cylinder 15 is in contact with the bracket I2, when the hydraulic cylinder 15 is started, the end part of the hydraulic cylinder 15 is mutually abutted with the first bracket 2 and gradually pushes the first bracket 2 to approach the second bracket 3, the top of the first bracket 2 is provided with a fixed plate 17 and is fixedly connected with the fixed plate, a notch 18 for sliding the fixed plate 17 is arranged in the main beam 1, one side of the main beam 1 is provided with a limiting block 10, the limiting block 10 comprises an inserting part 101, a plurality of limiting holes 11 for limiting the inserting part 101 are arranged in the first bracket 2, the side surfaces of the first bracket 2 are mutually abutted in the inclined surface area of the inserting part 101, a plurality of electric telescopic rods 12 are arranged above the limiting block 10, one side of each electric telescopic rod 12 is fixedly connected with the main beam 1, each electric telescopic rod 12 has an automatic resetting function, the center distance between the adjacent inserting parts 101 is equal to the sum of the center distances of the two limiting holes 11, the bottoms of the first bracket 2 and the second bracket 3 are provided with a plurality of groups of moving wheels 4, the beam lifter can conveniently move after fixing a box beam, the support legs 5 are arranged between the plurality of groups of moving wheels 4, the connecting seats 6 are arranged below the first support frame 2 and the second support frame 3 and are fixedly connected with the lower parts of the first support frame 2 and the second support frame 3, the tops of the plurality of groups of moving wheels 4 are fixedly connected with the connecting seats 6, the steering movement of the moving wheels 4 cannot be influenced, the end parts of the support legs 5 are fixedly connected with the connecting seats 6, the support legs 5 can lift the whole body of the beam lifter upwards for a small distance in the prior art for the steering movement in the moving process of the beam lifter, and the adjusting mechanisms 7 for pushing the first support frame 2 and the second support frame 3 to be close to each other are arranged outside the connecting seats 6; the adjusting mechanism 7 comprises a supporting plate 71 positioned at one side of the connecting seat 6, a limiting mechanism 8 which drives the supporting plate 71 to rotate to be vertically supported with the ground is arranged at one side of the connecting seat 6, and the limiting mechanism 8 is connected with the adjusting mechanism 7; an auxiliary mechanism 9 for reducing the friction force between the first bracket 2, the second bracket 3 and the main beam 1 is arranged in the main beam 1, and the auxiliary mechanism 9 is matched with the adjusting mechanism 7;
the adjusting mechanism 7 in the scheme comprises a fan 72 positioned at one side of a connecting seat 6, the fan 72 is fixedly connected to the outer wall of a first bracket 2 through a support, one side of the fan 72 is provided with a first connecting pipe 73, two ends of the first connecting pipe 73 are respectively provided with a cylinder 74 and are fixedly connected with the first connecting pipe and are mutually communicated, the inside of the cylinder 74 is provided with a first connecting shaft 75, the first connecting shaft 75 is rotationally connected with the cylinder 74, the first connecting shaft 75 is positioned in the connecting seat 6 and is rotationally connected with the inside of the connecting seat 6, the first connecting shaft 75 can freely slide in the connecting seat 6, the outer wall of the first connecting shaft 75 is provided with a plurality of baffles 76 and is fixedly connected with the baffle, a supporting plate 71 is positioned on the outer wall of the first connecting shaft 75 and is fixedly connected with the outer wall of the connecting shaft, the bottom of the cylinder 74 is provided with a second connecting pipe 77, one end of the second connecting pipe 77 is provided with a hollow box 78 and is fixedly connected with the second connecting pipe, two ends of the second connecting pipe 77 are respectively communicated with the hollow box 78 and the cylinder 74, the second connecting pipe 77 has ductility, one side of the hollow box 78 is fixedly connected with the connecting seat 6, the limiting mechanism 8 comprises a limiting strip 81 positioned at the bottom of the connecting seat 6, one side of the limiting strip 81 is fixedly connected with the connecting seat 6, the supporting plate 71 comprises a protruding part 711 and a groove 712, the surface of the limiting strip 81 is provided with a chute 82 for the protruding part 711 to be clamped, the inner wall of the chute 82 is provided with a triggering piece 13 and is fixedly connected with the triggering piece 13, one end of the limiting strip 81 is provided with an emitter 14 and is fixedly connected with the triggering piece 13, the triggering piece 13 is electrically connected with the emitter 14, the emitter 14 can transmit a starting signal to the control end of the hydraulic cylinder 15 so as to drive the hydraulic cylinder 15, the bottom of the limiting strip 81 is provided with a plurality of connecting columns 83, one ends of the connecting columns 83 are fixedly connected with the connecting seat 6, the outer wall of the connecting columns 83 is provided with a baffle 84 and is in sliding connection with the baffle 84, a plurality of springs 85 are arranged between the baffle 84 and the limiting strip 81, the two ends of the spring 85 are fixedly connected with the resisting plate 84 and the limiting strip 81 respectively, the end part of the resisting plate 84 is shaped into an inclined plane, in the process that the supporting plate 71 rotates downwards along the first connecting shaft 75, the front end part of the protruding part 711 and the large inclined plane area of the resisting plate 84 mutually resist, and further the protruding part 711 of the supporting plate 71 can enter the inside of the sliding groove 82 more conveniently, the auxiliary mechanism 9 comprises a second connecting shaft 91 positioned in the fixing plate 17, the second connecting shaft 91 is rotationally connected with the fixing plate 17, the outer wall of the second connecting shaft 91 is provided with a plurality of rollers 92 and is fixedly connected with the rollers, the outer wall of the rollers 92 are mutually contacted with the inner wall of the main beam 1, the inside of the fixing plate 17 is provided with a cleaning roller 93, the cleaning roller 93 is positioned on the outer wall of the second connecting shaft 91 and is fixedly connected with the cleaning roller, one side of the cleaning roller 93 is provided with a plurality of conical sponges 94, and the maximum spacing between the conical sponges 94 positioned on two sides of the cleaning roller 93 is equal to the width of the notch 18;
when the beam lifter needs to change the span, the staff can vertically lift the supporting leg 5 in the middle of the movable wheel 4 at the same time, so that one end of the beam lifter is lifted upwards, then the fan 72 is started, wind power generated by the fan 72 firstly enters the cylinder 74 through the first connecting pipe 73, the air current further rotates with the baffle 76 in the cylinder 74, the first connecting shaft 75 further rotates, the two support plates 71 positioned on two sides of the connecting seat 6 simultaneously rotate downwards, in the rotating process, the end parts of the protruding parts 711 of the support plates 71 mutually resist the end parts of the resisting plates 84, finally the protruding parts 711 of the support plates 71 enter the sliding grooves 82 of the limiting strips 81 under the action of the elastic force of the springs 85, and meanwhile, the end parts of the resisting plates 84 are inserted into the grooves 712 of the support plates 71 through the elastic force of the springs 85, so that the stabilizing effect between the support plates 71 and the connecting seat 6 is further enhanced; in this state, the support plates 71 at both sides of the connection base 6 are completely perpendicular to the ground, and the sliding effect of the connection base 6 and the first connection shaft 75 still exists, but the support plates 71 cannot rotate any more, after which the four support legs 5 can be retracted slowly and backward at the same time, so that the beam lifting machine is erected on the ground by the supporting forces of the plurality of support plates 71; on the one hand, the baffle 76 in the cylinder 74 is not rotated any more under the supporting effect of the supporting plate 71, so that the air flow generated by the fan 72 will simultaneously resist the connection seat 6 on one side of the hollow box 78 through the second connection pipe 77, and the connection seat 6 and the first bracket 2 slide along the first connection shaft 75; on the other hand, as the protruding part 711 of the supporting plate 71 is clamped with the sliding groove 82 of the limiting bar 81, the trigger piece 13 positioned on the inner wall of the sliding groove 82 is triggered, so that the transmitter 14 sends a starting signal to the hydraulic cylinder 15 on the main beam 1, the hydraulic cylinder 15 positioned on the upper part of the girder lifting machine and the fan 72 positioned on the lower part of the girder lifting machine push the brackets needing to be changed in the same time period, the two pushing are matched with each other, the distance between the first bracket 2 and the second bracket 3 can be more easily closed, the girder lifting machine is changed under the condition that the disassembly work is not performed, and the girder lifting machine is more easily adapted to different construction environments;
the hydraulic cylinder 15 positioned below the main beam 1 pushes the first bracket 2 to move towards the direction close to the second bracket 3, in the process, the inclined surface area of the insertion part 101 of the limiting block 10 can be resisted with the top end of the first bracket 2, then under the elastic force of the electric telescopic rod 12, the end part of the insertion part 101 is gradually aligned with the limiting hole 11, the electric telescopic rod 12 at the moment automatically resets, the insertion part 101 can enter the inside of the limiting hole 11 again, the position relation among the first bracket 2, the second bracket 3 and the main beam 1 is fixed, a worker can judge the moving distance of the first bracket 2 and the second bracket 3 through the intervals among the limiting holes 11 and the insertion part 101, and then the variable span distance of the beam lifting machine can be accurately controlled at any time, so that the integral variable span efficiency of the beam lifting machine is improved; meanwhile, in the process that the first support 2 moves below the main beam 1, the fixing plate 17 located inside the main beam 1 moves along with the first support 2 in the notch 18, meanwhile, the roller 92 connected with the outer wall of the second shaft 91 rolls under the resistance of the inner wall of the main beam 1, friction force between the main beam 1 and the first support 2 is reduced, the first support 2 is more convenient to slide, meanwhile, the diameter of the cleaning roller 93 is larger than that of the roller 92, so that the tapered sponge 94 on two sides of the cleaning roller 93 effectively cleans embroidered sheets and silt possibly existing on the inner wall of the notch 18 before the roller 92 slides, the roller 92 effectively slides on the inner wall of the main beam 1, and the auxiliary mechanism 9 and the regulating mechanism 7 are mutually matched, so that the variable span efficiency of the girder lifting machine is effectively improved.
Further, a first connecting plate 19 is arranged at the bottom of the limiting bar 81 and is fixedly connected with the first connecting plate, a limiting column 20 is arranged in the first connecting plate 19, a pull rod 21 is arranged on the outer wall of the limiting column 20 and is fixedly connected with the first connecting plate, a second connecting plate 22 is arranged at one end of the limiting column 20 and is fixedly connected with the second connecting plate, the bottom of the second connecting plate 22 is in sliding connection with a retaining plate 84, an arc-shaped groove 23 for sliding the limiting column 20 is arranged in the first connecting plate 19, a rotating clamp 24 for supporting the pull rod 21 is arranged at one end of the limiting bar 81, a third connecting shaft 25 is arranged in the rotating clamp 24 and is in rotating connection with the connecting shaft, and one end of the third connecting shaft 25 is fixedly connected with the limiting bar 81; after the span change is finished, the rotating clamp 24 can be rotated, the pull rod 21 is pulled to drive the limiting column 20 to slide in the arc-shaped groove 23, the second connecting plate 22 moves downwards along with the limiting column 20, the bottom of the second connecting plate 22 resists the resisting plate 84, the resisting plate 84 slides downwards, the limiting relation between the resisting plate 84 and the supporting plate 71 is relieved, at the moment, the supporting legs 5 can be re-supported again, the fan 72 and the hydraulic cylinder 15 are closed, the supporting plates 71 are re-rotated to the original positions, and the whole operation is simple and convenient, and is easy for staff to operate.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The variable-span beam lifting machine easy to operate comprises a main beam (1), wherein a first support (2) is arranged below the main beam (1), a second support (3) is also arranged below the main beam (1), a plurality of groups of moving wheels (4) are arranged at the bottoms of the first support (2) and the second support (3), and supporting legs (5) are arranged between the plurality of groups of moving wheels (4);
the method is characterized in that: the lower parts of the first bracket (2) and the second bracket (3) are respectively provided with a connecting seat (6), and the outer parts of the connecting seats (6) are respectively provided with an adjusting mechanism (7) for pushing the first bracket (2) and the second bracket (3) to be close to each other;
the adjusting mechanism (7) comprises a supporting plate (71) positioned at one side of the connecting seat (6), one side of the connecting seat (6) is provided with a limiting mechanism (8) for driving the supporting plate (71) to rotate to be vertically supported with the ground, and the limiting mechanism (8) is connected with the adjusting mechanism (7);
the inside of girder (1) is equipped with auxiliary mechanism (9) that reduces the frictional force of support one (2), support two (3) and girder (1), auxiliary mechanism (9) and adjustment mechanism (7) mutually support.
2. An easy to operate variable span beam machine as defined in claim 1, wherein: the utility model provides a fan, including fan (72) that is located connecting seat (6) one side, one side of fan (72) is equipped with connecting pipe one (73), the both ends of connecting pipe one (73) all are equipped with barrel (74), the inside of barrel (74) is equipped with connecting axle one (75), connecting axle one (75) are located the inside of connecting seat (6) and rotate rather than being connected, the outer wall of connecting axle one (75) is equipped with polylith baffle (76), backup pad (71) are located the outer wall of connecting axle one (75) and rather than fixed connection, the bottom of barrel (74) is equipped with connecting pipe two (77), the one end of connecting pipe two (77) is equipped with well empty box (78), connecting pipe two (77) have the ductility, one side and connecting seat (6) fixed connection of well empty box (78).
3. An easy to operate variable span beam machine as defined in claim 1, wherein: stop gear (8) are including being located spacing (81) of connecting seat (6) bottom, backup pad (71) are including protruding portion (711) and recess (712), the surface of spacing (81) is equipped with spout (82) that supplies protruding portion (711) joint, the bottom of spacing (81) is equipped with many spliced poles (83), the outer wall of spliced pole (83) is equipped with butt baffle (84), be equipped with many springs (85) between butt baffle (84) and spacing (81), the tip molding of butt baffle (84) is the inclined plane.
4. An easy to operate variable span beam machine as defined in claim 1, wherein: the hydraulic oil cylinder (15) is arranged below the main beam (1), a fixing frame (16) is arranged outside the hydraulic oil cylinder (15), one side of the fixing frame (16) is fixedly connected with the main beam (1), the end part of the hydraulic oil cylinder (15) is in contact with the first bracket (2), a fixing plate (17) is arranged at the top of the first bracket (2), and a notch (18) for the fixing plate (17) to slide is formed in the main beam (1).
5. An easy to operate variable span beam machine according to claim 4, wherein: the auxiliary mechanism (9) comprises a second connecting shaft (91) inside a fixed plate (17), a plurality of rollers (92) are arranged on the outer wall of the second connecting shaft (91), the outer wall of each roller (92) is in contact with the inner wall of a main beam (1), a cleaning roller (93) is arranged inside the fixed plate (17), the cleaning roller (93) is located on the outer wall of the second connecting shaft (91) and is fixedly connected with the cleaning roller, a plurality of conical sponges (94) are arranged on one side of the cleaning roller (93), and the diameter of the cleaning roller (93) is larger than that of each roller (92).
6. An easy to operate variable span beam machine according to claim 4, wherein: one side of girder (1) is equipped with stopper (10), stopper (10) are including inserting portion (101), the inside of support one (2) is equipped with a plurality of spacing holes (11) that supply inserting portion (101) spacing, the side of the regional support one (2) in inclined plane of inserting portion (101) withstands each other, the top of stopper (10) is equipped with a plurality of electric telescopic handle (12), electric telescopic handle (12) have automatic re-setting function.
7. A readily operable variable span beam machine according to claim 3, wherein: the inner wall of the chute (82) is provided with a trigger piece (13), one end of the limiting strip (81) is provided with a transmitter (14), the trigger piece (13) is electrically connected with the transmitter (14), and the transmitter (14) can transmit a starting signal to the control end of the hydraulic cylinder (15).
8. A readily operable variable span beam machine according to claim 3, wherein: the bottom of spacing (81) is equipped with connecting plate one (19), the inside of connecting plate one (19) is equipped with spacing post (20), the outer wall of spacing post (20) is equipped with pull rod (21), the one end of spacing post (20) is equipped with connecting plate two (22), the bottom and the fender (84) sliding connection of connecting plate two (22), the inside of connecting plate one (19) is equipped with supplies spacing post (20) gliding arc groove (23), the one end of spacing (81) is equipped with rotates clamp (24) that support pull rod (21), the inside of rotating clamp (24) is equipped with connecting axle three (25).
9. A readily operable variable span beam machine according to claim 3, wherein: during the rotation of the support plate (71) downwards along the first connecting shaft (75), the front end part of the protruding part (711) and the large inclined surface area of the abutting plate (84) mutually abut.
10. An easy to operate variable span beam machine as defined in claim 6, wherein: the center distance of the adjacent insertion parts (101) is equal to the sum of the center distances of the two sections of limiting holes (11).
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| CN116040475B CN116040475B (en) | 2023-06-09 |
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| CN117446676A (en) * | 2023-12-26 | 2024-01-26 | 河南吉尼智能起重机有限公司 | Beam lifting machine with adjustable span for factory |
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| CN116040475B (en) | 2023-06-09 |
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Address after: 453400 Intersection of Giant Avenue and Weishi Road, Weizhuang Town, Changyuan City, Xinxiang City, Henan Province Patentee after: Henan Shuangli Lifting Machinery Group Co.,Ltd. Address before: 453400 Intersection of Giant Avenue and Weishi Road, Weizhuang Town, Changyuan City, Xinxiang City, Henan Province Patentee before: Henan double force Bridge Machinery Group Co.,Ltd. |
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