CN112520572B - Bridge crane machine beam - Google Patents
Bridge crane machine beam Download PDFInfo
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- CN112520572B CN112520572B CN202011456370.8A CN202011456370A CN112520572B CN 112520572 B CN112520572 B CN 112520572B CN 202011456370 A CN202011456370 A CN 202011456370A CN 112520572 B CN112520572 B CN 112520572B
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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
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
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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
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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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
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a bridge crane girder, which comprises two inverted T-shaped supports, wherein the two inverted T-shaped supports are symmetrical front and back, the outer surfaces of the front ends of the inverted T-shaped supports are provided with empty grooves, the positions, close to the two sides, of the inner surfaces of the empty grooves are provided with clamping grooves, limiting mechanisms are movably connected to the interiors of the empty grooves and the two clamping grooves, and each limiting mechanism consists of an inverted concave rectangular plate, two clamping blocks, two limiting columns, two convex rectangular plates and a hinge plate. According to the invention, the assembly and disassembly of the beam body and the machine body are facilitated, the regular inspection and maintenance are facilitated, when the machine body is used outdoors, dust and burning sun can be shielded for the crane body inside the machine body, the cleanness of the machine body is kept, rainwater is prevented from accumulating on the surface of the beam body or inside the machine body, the damage is reduced, and finally, the shaking and collision of objects caused by too thin lifting ropes and too fast lifting speed during lifting of the objects can be reduced.
Description
Technical Field
The invention relates to the technical field of bridge cranes, in particular to a bridge crane girder.
Background
A beam crane is one of cranes and is a crane consisting of a bridge frame and a hoisting trolley. The crane bridge moves longitudinally along the ground rail and transversely along the crane bridge, and has three working mechanisms of lifting, crane bridge walking, trolley walking and the like, and is driven by manpower or electric power and is mainly used for carrying goods in a factory building or a workshop.
In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. the common bridge crane has fixed structure, larger volume, inconvenient assembly and inconvenient maintenance and inspection when being used outdoors; 2. in addition, the outdoor construction environment is poor, dust flies, and the inner body of the beam body is exposed outside for a long time, so that the beam body is easy to be stained with dust and exposed to the sun; 3. the outdoor construction environment is special, even in rainy days, the beam body cannot be timely retracted when rainwater comes, the upper end of the beam body is hollow, the machine body is exposed on the surface, and rainwater is accumulated, so that the machine body is easily damaged; 4. when a general crane clamps and lifts objects, a lifting rope is thin or the lifting speed is too high, and the rope body and the objects are easy to shake and collide.
To this end, a bridge crane girder is proposed.
Disclosure of Invention
The invention provides a bridge crane girder, which firstly facilitates the assembly and disassembly of a girder body and a crane body, facilitates the regular inspection and maintenance, can shield dust and burning sun for the crane body inside the crane body when the crane girder is used outdoors, keeps the crane body clean, avoids rainwater from accumulating on the surface of the girder body or inside the crane body, reduces the damage of the crane body, and finally can reduce the shaking and collision of objects caused by too thin lifting ropes and too fast movement of the lifting ropes when the objects are lifted, so as to solve the problems in the background technology.
The invention provides a bridge crane girder, which comprises two inverted T-shaped supports, wherein the two inverted T-shaped supports are symmetrical front and back, the outer surface of the front end of each inverted T-shaped support is provided with an empty groove, the positions, close to the two sides, of the inner surface of each empty groove are provided with clamping grooves, the interiors of the empty grooves and the two clamping grooves are movably connected with a limiting mechanism, the limiting mechanism is composed of an inverted concave rectangular plate, two clamping blocks, two limiting columns, two convex rectangular plates and a hinge plate, the two clamping blocks are fixedly arranged at the positions, close to the middle, of the outer surfaces of the two sides of the inverted concave rectangular plate, the inverted concave rectangular plate is movably connected at the position, close to the upper end, of the interior of the empty groove, the clamping blocks are clamped inside the clamping grooves, the two convex rectangular plates are symmetrical up and down, and the hinge plate is fixedly connected to the outer surfaces of the front ends of the two convex plates, the outer surface of the front end of the hinge plate is movably connected with a pull rod close to the upper end, the convex rectangular plate is movably connected inside the inverted concave rectangular plate, the pull rod and the inverted concave rectangular plate are hinged, the position inside the clamping groove close to the lower end is fixedly connected with cross rods, the two cross rods penetrate through the positions, close to the two sides, of the lower end of the convex rectangular plate, the two limiting columns are fixedly installed on the outer surface of the rear end of the inverted concave rectangular plate close to the middle position, the limiting columns penetrate through empty grooves and are movably connected with triangular blocks, the outer surface of the front end of each triangular block is provided with two round holes, the limiting columns penetrate through the inner parts of the round holes and are connected with nuts, the outer surface of the upper end of each triangular block is provided with a transverse groove, the inner parts of the front transverse groove and the rear transverse groove are slidably connected with a rectangular beam body, and pulleys are fixedly installed at the positions, close to the front end and the rear end, of the outer surface of the lower end of the rectangular beam body, the inner part of the outer surface of the upper end of the rectangular beam body is movably connected with a semicircular fixed frame, and the lower extreme of semicircle fixed frame is close to the fixed position at both ends and installs the slider that falls T shape, the slider joint that falls T shape is in the inside in the groove of falling T shape, the inside of semicircle fixed frame is close to middle position and has seted up the half-round groove, and the inside of half-round groove is close to middle position in upper end and has seted up the rectangle notch, two from beginning to end the inside swing joint of half-round groove has little half-round dome board, and the quantity of little half-round dome board is two, two little half-round dome board swing joint is in the inside of half-round groove, the outer fixed surface in upper end of little half-round dome board installs rectangular.
According to the construction requirement, a bridge crane needs to be temporarily built outdoors, two inverted T-shaped supports can be moved outdoors and fixed, pull rods at the front end and the rear end are pulled respectively, the pull rods drive hinge plates to be folded, the hinge plates simultaneously bend two convex rectangular plates, the position of a limiting mechanism moves downwards, the limiting mechanism drives triangular blocks to move downwards, then a rectangular beam body is erected between the two triangular blocks, pulleys at the lower end of the rectangular beam body are clamped into transverse grooves at the upper ends of the triangular blocks, the rectangular beam body is limited, a lifting device and a sliding mechanism thereof are installed in a movable groove and a first sliding groove, the limiting mechanism is lifted and then returned to the original position, the crane can be lifted for use, the mechanism is convenient for assembling and disassembling the beam body and the crane body and is convenient for regular inspection and maintenance, then inverted T-shaped sliding blocks of semicircular fixing frames are respectively inserted into the inverted T-shaped sliding grooves, the outer surfaces of the upper ends of the two semicircular fixing frames are limited at the front position and the rear position of the upper ends of the rectangular beam body, the semicircular fixing frames are clamped into semicircular fixing frames, dust can be kept by the outdoor crane body and the outdoor crane when the outdoor crane can shield the outdoor crane.
Preferably, the position that rectangular one side surface is close to has been seted up the perforation, and fenestrate quantity is two, controls two rectangular perforation is corresponding, and its two fenestrate inside through connection have a mechanism of depositing, the quantity of depositing the mechanism is two, two it prescribes a limit to in one side of two little half dome boards respectively to deposit the mechanism, it comprises inserted bar, arc strip and ponding board to deposit the mechanism, inserted bar fixed mounting is close to the position of upper end at one side surface of arc strip, and the inserted bar runs through and is connected with the nut in fenestrate inside, arc strip fixed mounting is close to the position in the middle of one side at ponding board's upper end surface.
Through adopting above-mentioned technical scheme, will store up the mechanism and inject in the both sides of little half-dome board, the inserted bar crosses perforation to rectangular opposite side surface, screw up the nut again, store up the mechanism and inject, the ponding board that stores up in the mechanism is located the coplanar with the lower extreme of little half-dome board, outdoor construction environment is special, even there is precipitation weather, the rainwater can be along the cambered surface of little half-dome board in the empty groove of ponding inboard of trend inflow, can avoid the rainwater to store up the inside of roof beam body surface or organism, thereby reduce its damage.
Preferably, the lower extreme surface of the rectangular beam body is close to the position of both sides and has all seted up the second spout, two the inside sliding connection of second spout has fixture, and fixture is injectd the block by sliding block, straight-bar and concave surface and constitutes, for articulated between straight-bar and the sliding block, and the hinge ball swing joint of straight-bar upper end is in the inside of sliding block, concave surface injects a fixed mounting and is in one side surface of straight-bar.
Through adopting above-mentioned technical scheme, the hoist is when pressing from both sides and getting and lift by crane article, it is thinner to play the lifting rope, when the lifting speed is too fast, can take place the rope body and article rock and collide, can aim at the both sides of article with two fixture, pull the straight-bar, the hinge ball rotates inside the sliding block, the concave surface is injectd the piece and is hugged closely one side surface of living article, article are injectd, article are at the in-process that removes, fixture also removes thereupon, when lifting by crane when this mechanism reducible article, when too thin and lifting speed remove too fast because of lifting rope, and cause article to rock and collide, it is comparatively convenient.
Preferably, the two small semicircular top plates are attached, and the spliced semicircular top plates are matched with the insides of the semicircular grooves.
Through adopting above-mentioned technical scheme, in going into the inside half slot of semicircle fixed frame with two little semicircle dome boards card, two little semicircle dome boards correspond each other, form the semicircle ceiling and cover the upper end of rectangular beam body, when the organism is used in the open air, can shelter from dust and burning sun for its inside hoist organism.
Preferably, two rectangular laminating mutually, and its both cards are in the inside of rectangle notch, the inside of rectangle notch is identical with the width of two rectangular.
Through adopting above-mentioned technical scheme, in going into the inside half slot of fixed frame of semicircle with two little half dome boards card, two rectangular laminating, what two little half dome boards can be avoided to this mechanism drops.
Preferably, the cambered surface of arc strip and the surface of little half-dome board are laminated mutually, the position that one side surface of ponding board hugs closely one side surface of little half-dome board near the lower extreme is laminated mutually, and the degree of little half-dome board is identical with the distance between the fixed frame of two semicircles.
Through adopting above-mentioned technical scheme, store up the ponding board in the mechanism and be located the coplanar with the lower extreme of little half calotte, outdoor construction environment is special, and there is precipitation weather occasionally, during the rainwater can flow into the inside dead slot of ponding board along the cambered surface of little half calotte board in the same trend, can avoid the rainwater to store up the inside of roof beam body surface or organism to reduce its damage.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the construction requirements, a bridge crane needs to be temporarily built outdoors, two inverted T-shaped supports can be moved outdoors and fixed, pull rods at the front end and the rear end are pulled respectively, the pull rods drive the hinge plates to be folded, the hinge plates simultaneously bend the two convex rectangular plates, the limiting mechanisms move downwards, the limiting mechanisms drive the triangular blocks to move downwards, the rectangular beam body is erected between the two triangular blocks, pulleys at the lower end of the rectangular beam body are clamped into transverse grooves at the upper ends of the triangular blocks, the rectangular beam body is limited, a lifting device and a sliding mechanism thereof are installed in a movable groove and a first sliding groove, the limiting mechanisms are lifted and then returned to the original position, and the bridge crane can be lifted and used;
2. then, the inverted T-shaped sliding blocks of the semicircular fixing frames are respectively inserted into the inverted T-shaped grooves, the two semicircular fixing frames are limited at the positions, close to the front and the back, of the outer surface of the upper end of the rectangular beam body, then the two small half dome plates are clamped into the semicircular grooves in the semicircular fixing frames and correspond to each other to form a semicircular ceiling to cover the upper end of the rectangular beam body, and when the crane body is used outdoors, dust and sun can be shielded for the crane body in the crane body, and the crane body can be kept clean;
3. in addition, the accumulation mechanism is limited on two sides of the small half-dome plate, the inserted rod penetrates through the through hole to reach the outer surface of the other side of the strip, then the screw cap is screwed down, the accumulation mechanism is limited, the water accumulation plate on the accumulation mechanism and the lower end of the small half-dome plate are positioned on the same plane, the outdoor construction environment is special, even in rainy days, rainwater can flow into the empty groove in the water accumulation plate along the cambered surface of the small half-dome plate, the surface of a rainwater accumulation beam body or the interior of a machine body can be avoided, and therefore damage of the rainwater accumulation beam body or the interior of the machine body is reduced;
4. finally, the hoist is when pressing from both sides and getting and lift by crane article, it is thinner to play the lifting rope, when the lifting speed is too fast, can take place the rope body and article can take place to rock and collide, can aim at the both sides of article with two fixture, pull the straight-bar, the hinge ball rotates inside the sliding block, the concave surface is injectd the piece and is hugged closely one side surface of living article, article are injectd, article are at the in-process that removes, fixture also removes thereupon, when lifting by crane, when the reducible article of this mechanism, when moving too fast because of the lifting rope is thin and lifting speed, and cause article can rock and collide, it is comparatively convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a combination view of the inverted T-shaped bracket and the triangular block of the present invention;
FIG. 3 is an exploded view of the restraining mechanism of the present invention;
FIG. 4 is a lower and upper end view of a rectangular beam body of the present invention;
fig. 5 is a view of the combination of two semicircular fixing frames according to the present invention;
FIG. 6 is a view of the combination of two small half-dome plates of the present invention;
FIG. 7 is a view of the accumulation mechanism of the invention;
fig. 8 is a plan view of the clamping mechanism of the present invention.
Description of reference numerals:
1. an inverted T-shaped bracket; 2. an empty groove; 21. a card slot; 3. a limiting mechanism; 31. an inverted concave rectangular plate; 32. a clamping block; 33. defining a column; 34. a convex rectangular plate; 35. a hinge plate; 4. a pull rod; 5. a cross bar; 6. a triangular block; 61. a circular hole; 62. a transverse groove; 7. a rectangular beam body; 71. a first chute; 72. a movable groove; 73. a first chute; 74. a fixed block; 75. a T-shaped groove is inverted; 8. a semicircular fixing frame; 81. an inverted T-shaped slider; 82. a semicircular groove; 83. a rectangular notch; 84. a small half dome plate; 85. a strip; 86. perforating; 9. a accumulation mechanism; 91. inserting a rod; 92. an arc-shaped strip; 93. a water accumulation plate; 10. a second chute; 11. a clamping mechanism; 12. a slider; 13. a straight rod; 14. the concave surface defines a block.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be apparent that the described embodiments are some, but not all, embodiments of the present invention. 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 "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of the description, and 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, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1 to 8, the present invention provides a technical solution:
a bridge crane girder comprises inverted T-shaped supports 1, the number of the inverted T-shaped supports 1 is two, two inverted T-shaped supports 1 are symmetrical front and back, an empty groove 2 is formed in the outer surface of the front end of each inverted T-shaped support 1, clamping grooves 21 are formed in the positions, close to the two sides, of the inner surface of each empty groove 2, limiting mechanisms 3 are movably connected inside the empty grooves 2 and the two clamping grooves 21, each limiting mechanism 3 comprises an inverted concave rectangular plate 31, two clamping blocks 32, two limiting columns 33, two convex rectangular plates 34 and hinge plates 35, the clamping blocks 32 are fixedly installed on the outer surfaces of the two sides of each inverted concave rectangular plate 31 and close to the middle, the inverted concave rectangular plates 31 are movably connected inside the empty grooves 2 and close to the upper ends, the clamping blocks 32 are clamped inside the clamping grooves 21, the two convex rectangular plates 34 are symmetrical up and down, the hinge plates 35 are fixedly connected on the outer surfaces of the front ends of the two convex rectangular plates 34, the outer surfaces of the front ends of the hinge plates 35 are connected with movable pull rods 4 close to the upper ends of the convex plates 34, the movable plates 34 are movably connected on the upper ends of the two concave rectangular plates 34, the two triangular plates 34, the inner surfaces of the triangular plates 34 are connected with two triangular blocks 61, the two triangular blocks 7, the triangular blocks 33 are connected with the triangular blocks 7, the inner surfaces of the triangular blocks 34, the triangular blocks 33, the triangular blocks 7, the triangular blocks 33 are connected with the triangular blocks 7, the triangular blocks 3, the triangular blocks 7 of the triangular blocks 3, pulleys 71 are fixedly arranged at the positions, close to the front end and the rear end, of the outer surface of the lower end of the rectangular beam body 7, movable grooves 72 are formed in the positions, close to the middle, of the outer surface of the upper end of the rectangular beam body 7, first sliding grooves 73 are formed in the positions, close to the two sides of the movable grooves 72, of the outer surface of the upper end of the rectangular beam body 7, a crane body is connected to the inner portions of the two first sliding grooves 73 and the movable grooves 72 in a sliding mode, fixed blocks 74 are fixedly arranged on the outer surface of the upper end of the rectangular beam body 7 close to the four sides in a crossing mode, inverted T-shaped grooves 75 are formed in the outer surface of one side of each fixed block 74, the left inverted T-shaped grooves 75 and the right inverted T-shaped grooves 75 are in one group and are in two groups, the inner parts of the left and right inverted T-shaped grooves 75 are movably connected with a semicircular fixing frame 8, the lower end of the semicircular fixing frame 8 close to the positions at two ends is fixedly provided with an inverted T-shaped sliding block 81, the inverted T-shaped sliding block 81 is clamped inside the inverted T-shaped groove 75, a semicircular groove 82 is formed in the semicircular fixing frame 8 close to the middle position, a rectangular notch 83 is formed in the semicircular groove 82 close to the middle position at the upper end, the inner parts of the front semicircular groove 82 and the rear semicircular groove 82 are movably connected with small semicircular top plates 84, the number of the small semicircular top plates 84 is two, the two small semicircular top plates 84 are movably connected inside the semicircular groove 82, and a strip 85 is fixedly arranged on the outer surface of the upper end of each small semicircular top plate 84;
according to the construction requirements, a bridge crane needs to be temporarily built outdoors, two inverted T-shaped supports 1 can be moved outdoors and fixed, pull rods 4 at the front end and the rear end are pulled respectively, the pull rods 4 drive hinge plates 35 to fold, the hinge plates 35 simultaneously bend two convex rectangular plates 34, the position of a limiting mechanism 3 moves downwards, the limiting mechanism 3 drives triangular blocks 6 to move downwards, the rectangular beam body 7 is erected between the two triangular blocks 6, pulleys 71 at the lower end of the rectangular beam body 7 are clamped into transverse grooves 62 at the upper ends of the triangular blocks 6, the rectangular beam body 7 is limited, a lifting device and a sliding mechanism thereof are installed in a movable groove 72 and a first sliding groove 73, the limiting mechanism 3 is lifted and returned to the original position for lifting, the mechanism facilitates assembly and disassembly of the beam body and the crane body, regular inspection and maintenance are facilitated, then inverted T-shaped sliding blocks 81 of the inverted T-shaped fixing frame 8 are respectively inserted into inverted T-shaped sliding grooves 75, the outer surfaces of the upper ends of the two semicircular beam bodies 7 are limited at the positions close to the front end and the rear end of the crane body, two small semicircular plates are clamped into semi-half-circular plates 84, the inner parts of the semicircular fixing frame 8 are clamped into the semi-semicircular fixing frame, and the semi-semicircular plates 84, and the semi-semicircular plates can be covered on the dust of the outdoor crane body, and the semi-semicircular frame so that the semi-semicircular frame can be kept in the semi-semicircular frame 7 and the semi-semicircular frame so as dust can be kept in the semi-semicircular grooves 82, and the semi-semicircular frame for cleaning of the semi-semicircular frame, and dust of the outdoor crane body, and the semi-semicircular frame can be kept.
In one embodiment of the present invention, the through holes 86 are formed at positions close to one outer surface of the strip 85, the number of the through holes 86 is two, the through holes 86 of the left and right strips 85 correspond to each other, the accumulation mechanisms 9 are connected to the insides of the two through holes 86 in a penetrating manner, the two accumulation mechanisms 9 are respectively defined at one side of the two small half dome plates 84, each accumulation mechanism 9 is composed of an insertion rod 91, an arc-shaped strip 92 and a water accumulation plate 93, the insertion rod 91 is fixedly installed at a position close to the upper end of one outer surface of the arc-shaped strip 92, the insertion rod 91 is connected to a nut through the inside of the through hole 86, the arc-shaped strip 92 is fixedly installed at a position close to the middle of one outer surface of the upper end of the water accumulation plate 93, the accumulation mechanisms 9 are defined at both sides of the small half dome plates 84, the insertion rod 91 penetrates through the through holes 86 to the other outer surface of the strip 85, the nut is screwed, the accumulation mechanism 9 is limited, the water accumulation plate 93 on the same plane with the lower end of the small half dome plate 84, and the indoor rainwater accumulation plate can be prevented from being damaged along the inner surface of the small half dome plate 84.
As an embodiment of the invention, the positions of the outer surface of the lower end of the rectangular beam body 7 close to the two sides are respectively provided with a second chute 10, the interiors of the two second chutes 10 are connected with a clamping mechanism 11 in a sliding manner, the clamping mechanism 11 is composed of a sliding block 12, a straight rod 13 and a concave surface limiting block 14, the straight rod 13 is hinged with the sliding block 12, a hinge ball at the upper end of the straight rod 13 is movably connected inside the sliding block 12, the concave surface limiting block 14 is fixedly arranged on the outer surface of one side of the straight rod 13, when the crane clamps and lifts an object, the lifting rope is thin, the rope body and the object can shake when the lifting speed is too high, the two clamping mechanisms 11 can be aligned with the two sides of the object, the straight rod 13 is pulled, the hinge ball rotates inside the sliding block 12, the concave surface limiting block 14 clings to the outer surface of one side of the object, the object is limited, when the object moves, the clamping mechanism 11 also moves along with the object, and when the object is moved, the lifting rope is thin and the lifting speed is too high, the object can be reduced, and the object can shake and the object can be collided when the lifting speed is too fast.
Specifically, two little half-dome board 84 laminates mutually, and its both half-dome boards that splice are identical with the inside of half slot 82, with two little half-dome boards 84 card into the inside half slot 82 of half fixed frame 8, two little half-dome boards 84 correspond each other, form the semicircle ceiling and cover the upper end of rectangular beam body 7, when the organism is used in the open air, can shelter from dust and sun for its inside hoist organism.
Specifically, two rectangular 85 laminates mutually, and its both cards are in the inside of rectangle notch 83, the inside of rectangle notch 83 is identical with two rectangular 85's width, with two little half dome boards 84 card into the inside half slot 82 of the fixed frame 8 of semicircle, two rectangular 85 laminates, and what this mechanism can avoid two little half dome boards 84 drops.
Specifically, the cambered surface of arc strip 92 is laminated with the surface of little half-dome board 84 mutually, the position that one side surface of ponding board 93 is hugged closely one side surface of little half-dome board 84 and is close to the lower extreme is laminated mutually, and the degree of little half-dome board 84 is identical with the distance between two semicircle fixed frames 8, the lower extreme that ponding board 93 and little half-dome board 84 on the mechanism 9 of depositing is located the coplanar, outdoor construction environment is special, there is precipitation weather occasionally, the rainwater can flow into the inside dead slot of ponding board 93 along the cambered surface of little half-dome board 84 in the same trend, can avoid the rainwater to deposit the inside of roof beam body surface or organism, thereby reduce its damage.
The working principle is as follows: according to the construction requirement, a bridge crane needs to be temporarily built outdoors, two inverted T-shaped supports 1 can be moved outdoors and fixed, pull rods 4 at the front end and the rear end are respectively pulled, the pull rods 4 drive hinge plates 35 to fold, the hinge plates 35 simultaneously bend two convex rectangular plates 34, the position of a limiting mechanism 3 moves downwards, the limiting mechanism 3 drives triangular blocks 6 to move downwards, a rectangular beam body 7 is arranged between the two triangular blocks 6, a pulley 71 at the lower end of the rectangular beam body 7 is clamped into a transverse groove 62 at the upper end of the triangular block 6, the rectangular beam body 7 is limited, a lifting device and a sliding mechanism thereof are arranged in a movable groove 72 and a first sliding groove 73, the limiting mechanism 3 is lifted and then returned to the original position, the mechanism is convenient for the assembly and disassembly of the beam body and the machine body and convenient for periodic inspection and maintenance, then inverted T-shaped sliding blocks 81 of a semicircular fixing frame 8 are respectively inserted into inverted T-shaped grooves 75, two semicircular fixing frames 8 are limited at the front and back positions close to the outer surface of the upper end of a rectangular beam body 7, two small half-dome plates 84 are clamped into a semicircular groove 82 in the semicircular fixing frames 8, the two small half-dome plates 84 correspond to each other to form a semicircular ceiling to cover the upper end of the rectangular beam body 7, when the machine body is used outdoors, dust and sunlight can be shielded for a crane body in the machine body, the cleanness of the machine body can be kept, in addition, storage mechanisms 9 are limited at two sides of the small half-dome plates 84, an inserting rod 91 penetrates through a through hole 86 to the outer surface of the other side of a strip 85, then a nut is screwed, the storage mechanisms 9 are limited, a water accumulation plate 93 on the storage mechanisms 9 and the lower ends of the small half-dome plates 84 are positioned on the same plane, the outdoor construction environment is special, weather is occasional, rainwater can flow into an empty groove in the water accumulation plate 93 along the cambered surface of the small half-dome plates 84, can avoid the rainwater to store up the inside of roof beam body surface or organism, thereby reduce its damage, finally, the hoist is when pressing from both sides get and lift by crane article, it is thinner to play the lifting rope, when lifting speed is too fast, can take place the rope body and the article rocks, can be with the both sides of two fixture 11 alignment article, pull straight-bar 13, the hinge ball rotates in sliding block 12 is inside, one side surface of article is hugged closely to concave surface limiting block 14, article are injectd, article are at the in-process that removes, fixture 11 also removes thereupon, when lifting by crane during reducible article of this mechanism, because of the lifting rope is too thin and the lifting speed removes too fast, and cause article can rock and collide, it is comparatively convenient.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The bridge crane girder is characterized by comprising two inverted T-shaped supports (1), wherein the inverted T-shaped supports (1) are symmetrical front and back, an empty groove (2) is formed in the outer surface of the front end of each inverted T-shaped support (1), clamping grooves (21) are formed in positions, close to two sides, of the inner surface of each empty groove (2), the empty grooves (2) and the positions, close to the two sides, of the two clamping grooves (21) are movably connected with a limiting mechanism (3), the limiting mechanism (3) is composed of an inverted concave rectangular plate (31), two clamping blocks (32), two limiting columns (33), two convex rectangular plates (34) and a hinge plate (35), the two clamping blocks (32) are fixedly installed on the outer surfaces of the two sides of the inverted concave rectangular plate (31) and close to the middle position, the inverted concave rectangular plate (31) is movably connected to the inner portion of the upper end of the empty groove (2) and is connected with the clamping blocks (32) in the clamping grooves (21), the two convex rectangular plates (34) are symmetrically arranged on the upper portion and lower portion of the upper end of the two concave rectangular plates (35) and are hinged to the front end of the front end (4) of the rectangular plate (31), the inner part of the clamping groove (21) is fixedly connected with cross rods (5) at positions close to the lower end, the two cross rods (5) penetrate through the lower end of the convex rectangular plate (34) and are close to the positions on two sides, the two limiting columns (33) are fixedly installed at the outer surface of the rear end of the inverted concave rectangular plate (31) and are close to the middle position, the limiting columns (33) penetrate through the empty groove (2) and are movably connected with the triangular block (6), the outer surface of the front end of the triangular block (6) is provided with the round hole (61), the number of the round holes (61) is two, the limiting columns (33) penetrate through the inner part of the round hole (61) and are connected with the nut, the outer surface of the upper end of the triangular block (6) is provided with the transverse groove (62), the front end and the rear end of the transverse groove (62) are slidably connected with the rectangular beam body (7), the positions, close to the front end and the rear end, of the outer surface of the lower end of the rectangular beam body (7), are fixedly installed with pulleys (71), the outer surface of the upper end of the rectangular beam body (7) is provided with the movable beam groove (72), the upper end of the rectangular beam body is provided with the movable beam groove (73), the two sliding grooves (73) and the two sliding grooves (73) are fixedly connected with the fixed chute (73), the sliding chute (73) of the fixed block (7), and one side surface of fixed block (74) has seted up inverted T-shaped groove (75), controls two inverted T-shaped groove (75) are a set of, and it is two sets of around, control two the inside swing joint of inverted T-shaped groove (75) has fixed frame (8) of semicircle, and the lower extreme of the fixed frame (8) of semicircle is close to the fixed position at both ends and has inverted T-shaped slider (81), inverted T-shaped slider (81) joint is in the inside of inverted T-shaped groove (75), semicircular groove (82) have been seted up near middle position to the inside of the fixed frame (8) of semicircle, and the inside of semicircular groove (82) is close to middle position in upper end and has seted up rectangle notch (83), two back and forth the inside swing joint of semicircular groove (82) has little half dome board (84), and the quantity of little half dome board (84) is two little half dome board (84) swing joint is in the inside of calotte (82), the upper end surface fixed mounting of little half dome board (84) has rectangular (85).
2. The bridge crane girder according to claim 1, wherein two through holes (86) are formed in the outer surface of one side of each long strip (85), the two through holes (86) correspond to the two through holes (86) of the left long strip (85) and the right long strip (85), the two through holes (86) are internally connected with two accumulation mechanisms (9) in a penetrating manner, the two accumulation mechanisms (9) are two in number, the two accumulation mechanisms (9) are respectively limited on one side of the two small half dome plates (84), the accumulation mechanism (9) is composed of an insert rod (91), an arc strip (92) and a water accumulation plate (93), the insert rod (91) is fixedly installed on the outer surface of one side of the arc strip (92) close to the upper end, the insert rod (91) penetrates through the inside of the through holes (86) and is connected with a nut, and the arc strip (92) is fixedly installed on the outer surface of the upper end of the water accumulation plate (93) close to the middle of one side.
3. The bridge crane beam as claimed in claim 1, wherein the outer surface of the lower end of the rectangular beam body (7) is provided with second sliding grooves (10) at positions close to both sides, the two second sliding grooves (10) are connected with clamping mechanisms (11) in a sliding manner, each clamping mechanism (11) is composed of a sliding block (12), a straight rod (13) and a concave surface limiting block (14), the straight rod (13) is hinged to the sliding block (12), a hinge ball at the upper end of the straight rod (13) is movably connected to the inside of the sliding block (12), and the concave surface limiting block (14) is fixedly mounted on the outer surface of one side of the straight rod (13).
4. A bridge crane girder according to claim 1, wherein two small half-dome plates (84) are attached to each other, and the half-dome plates formed by splicing the small half-dome plates are matched with the inner parts of the half-round grooves (82).
5. A bridge crane girder according to claim 1, wherein two of said strips (85) are attached to each other and both are caught in the rectangular notch (83), and the inside of said rectangular notch (83) is fitted to the width of two of said strips (85).
6. The bridge crane girder according to claim 2, wherein the curved surface of the curved bar (92) is attached to the outer surface of the small half dome plate (84), the outer surface of one side of the water collecting plate (93) is attached to the outer surface of one side of the small half dome plate (84) near the lower end, and the extent of the small half dome plate (84) is matched with the distance between the two semicircular fixing frames (8).
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| CN202011456370.8A CN112520572B (en) | 2020-12-11 | 2020-12-11 | Bridge crane machine beam |
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| CN202011456370.8A CN112520572B (en) | 2020-12-11 | 2020-12-11 | Bridge crane machine beam |
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| CN112520572B true CN112520572B (en) | 2023-01-13 |
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| CN209740507U (en) * | 2019-04-16 | 2019-12-06 | 沭阳县金典木业制品厂 | Lifting mechanism for machining household plates |
| CN210505292U (en) * | 2019-05-13 | 2020-05-12 | 营口渤海起重冶金设备有限公司 | Crane for conveying articles |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3482710A (en) * | 1966-12-21 | 1969-12-09 | Voest Ag | Steel casting machine |
| US5423438A (en) * | 1993-09-13 | 1995-06-13 | Harnischfeger Corporation | Crane with redundant hoist arrangement and method of using same |
| CN101638205A (en) * | 2009-07-21 | 2010-02-03 | 中国第一冶金建设有限责任公司 | Safety supporting device of stopping platform on each floor for gantry hoist |
| CN101913534A (en) * | 2010-08-19 | 2010-12-15 | 中国水电建设集团十五工程局有限公司 | Fixed double-suspending point cantilever track type purlin suspender |
| CN104016216A (en) * | 2014-06-12 | 2014-09-03 | 江苏立得仓储科技有限公司 | Vacuum panel sucking and hoisting crane |
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| CN210505292U (en) * | 2019-05-13 | 2020-05-12 | 营口渤海起重冶金设备有限公司 | Crane for conveying articles |
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| CN112520572A (en) | 2021-03-19 |
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Effective date of registration: 20221223 Address after: 314511 Room 151, Floor 5, No. 28, South Zone, Chongfu Fur Garment Brand Park, No. 127, Zhongshan East Road, Chongfu Town, Tongxiang City, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Zhetai Intelligent Technology Co.,Ltd. Address before: Room 602, unit 2, building 12, Haiyue garden, Lane 388, Luban Road, Huangpu District, Shanghai Applicant before: Zhu Wenfu |
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