CN112520572A - Bridge crane machine beam - Google Patents
Bridge crane machine beam Download PDFInfo
- Publication number
- CN112520572A CN112520572A CN202011456370.8A CN202011456370A CN112520572A CN 112520572 A CN112520572 A CN 112520572A CN 202011456370 A CN202011456370 A CN 202011456370A CN 112520572 A CN112520572 A CN 112520572A
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- close
- rectangular
- inverted
- plate
- grooves
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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
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 surface of the front end of each inverted T-shaped support is provided with a hollow groove, the positions, close to the two sides, of the inner surface of each hollow groove are provided with clamping grooves, the interiors of the hollow grooves and the two clamping grooves are movably connected with limiting mechanisms, and each limiting mechanism is composed of an inverted concave rectangular plate, two clamping blocks, two limiting columns, two convex rectangular plates and a hinge plate. According to the invention, firstly, the assembly and disassembly of the beam body and the machine body are facilitated, the regular inspection and maintenance are facilitated, and when the machine body is used outdoors, dust and burning sun can be shielded for the crane body in the machine body, so that the machine body is kept clean, furthermore, rainwater is prevented from accumulating on the surface of the beam body or in the machine body, so that the damage is reduced, and finally, the problem that when an object is lifted, the object can shake and collide due to the fact that a lifting rope is too thin and the lifting speed is too fast is solved.
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 span structure does longitudinal motion along the ground track, does transverse motion along the crane span structure, has three operating devices such as lifting, crane span structure walking, dolly walking to manpower or electric drive, and the transport goods in the used in the factory building or workshop mostly, and beam crane uses extensively, because of the engineering needs, the hoist also can place outdoor use.
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 weather, the beam body cannot be retracted in time when rainwater comes, the upper end of the beam body is hollow, the machine body is exposed on the surface, rainwater is accumulated, and 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, 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, the positions, close to the front end and the, and the two sides of the upper end outer surface of the rectangular beam body close to the movable groove are respectively provided with a first sliding groove, two first sliding grooves and the inner part of the movable groove are connected with a crane body in a sliding way, the upper end outer surface of the rectangular beam body is close to four edges to be handed over and fixedly provided with a fixed block, and one side outer surface of the fixed block is provided with an inverted T-shaped groove, the left inverted T-shaped groove and the right inverted T-shaped groove are a group, and are respectively a front group and a rear group, the inner part of the inverted T-shaped groove is movably connected with a semicircular fixed frame, the lower end of the semicircular fixed frame is fixedly provided with an inverted T-shaped sliding block close to the positions of the two ends, the inverted T-shaped sliding block is clamped in the inner part of the inverted T-shaped groove, the inner part of the semicircular fixed frame is provided with a semicircular groove close to, and the quantity of little half-dome board is two, two little half-dome board swing joint is in the inside of half-round groove, the upper end surface fixed mounting of little half-dome board has 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 respectively pulled, the pull rods drive hinge plates to fold, 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, a rectangular beam body is arranged 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 arranged in a movable groove and a first sliding groove, the limiting mechanism is lifted and returns to the original position, and then the bridge crane can be lifted for use, the mechanism is convenient for assembling and disassembling the beam body and the machine 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 grooves, the outer surfaces of the upper ends of the two semicircular fixing frames are limited at the front position and the rear, the two small half dome plates are clamped into the half grooves in the half-round fixing frame, the two small half dome plates correspond to each other to form a half-round ceiling to cover the upper end of the rectangular beam body, and when the crane body is used outdoors, the crane body in the crane body can shield dust and blazing sun, so that the cleanness of the crane body can be kept.
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 semicircular top plates formed by splicing the small 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 fixed frame of semicircle with two little half dome boards card, two little half 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 the 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 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 respectively pulled, the pull rods drive hinge plates to fold, 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, 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 returns to the original position, and then the lifting device can be lifted for use;
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;
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 structural view 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 semi-circular fixing frames of 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 understood 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 and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered 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 specific cases to those skilled 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 is composed of an inverted concave rectangular plate 31, two clamping blocks 32, two limiting columns 33, two convex rectangular plates 34 and hinge plates 35, the two clamping blocks 32 are fixedly installed at the positions, close to the middle, of the outer surfaces of the two sides of the inverted concave rectangular plate 31, the inverted concave rectangular plates 31 are movably connected inside the empty grooves 2 and close to the positions, 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 to the outer surfaces of the front ends of the two convex rectangular plates 34, the outer surface of the front end of the hinge plate 35 is movably connected with a pull rod 4 close to the upper end, the convex rectangular plate 34 is movably connected inside the inverted concave rectangular plate 31, the pull rod 4 and the inverted concave rectangular plate 31 are hinged, the position of the inside of the clamping groove 21 close to the lower end is fixedly connected with cross rods 5, the two cross rods 5 penetrate through the positions of the lower end of the convex rectangular plate 34 close to two sides, the two limiting columns 33 are fixedly installed on the outer surface of the rear end of the inverted concave rectangular plate 31 close to the middle position, the limiting columns 33 penetrate through the empty grooves 2 and are movably connected with triangular blocks 6, the outer surface of the front end of each triangular block 6 is provided with a round hole 61, the number of the round holes 61 is two, the limiting columns 33 penetrate through the inner parts of the round holes 61 and are connected with nuts, the outer surface of the upper end of each triangular block 6 is provided with a transverse groove 62, the insides of the front transverse grooves 62, the movable groove 72 is formed in the position, close to the middle, of the outer surface of the upper end of the rectangular beam body 7, the first sliding grooves 73 are formed in the positions, close to the two sides of the movable groove 72, of the outer surface of the upper end of the rectangular beam body 7, the two sliding grooves 73 and the movable groove 72 are connected with the crane body in a sliding mode, the outer surface of the upper end of the rectangular beam body 7, close to the four sides, is provided with a fixed block 74, the outer surface of one side of the fixed block 74 is provided with an inverted T-shaped groove 75, the inverted T-shaped grooves 75 are divided into a set and are divided into a front group and a rear group, the inner portions of the inverted T-shaped grooves 75 are movably connected with a semicircular fixed frame 8, the lower end of the semicircular fixed frame 8 is fixedly provided with inverted T-shaped sliding blocks 81 close to the positions of the two ends, the inverted T-shaped, a rectangular notch 83 is formed in the inner part of the semicircular groove 82 close to the middle of the upper end, small semicircular plates 84 are movably connected to the inner parts of the front semicircular groove and the rear semicircular groove 82, the number of the small semicircular plates 84 is two, the two small semicircular plates 84 are movably connected to the inner part of the semicircular groove 82, and a strip 85 is fixedly installed on the outer surface of the upper end of each small semicircular plate 84;
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 fixed frame 8 of semicircle inject the upper end surface of rectangular beam body 7 near the front and back position, go into the inside half slot 82 of fixed frame 8 of semicircle with two little half dome boards 84 card again, and two little half dome boards 84 correspond each other, form the semicircle ceiling and cover the upper end of rectangular beam body 7, and the organism can shelter from dust and burning sun for its inside hoist organism when outdoor use, can keep the cleanness of organism.
In one embodiment of the present invention, the strip 85 has two perforations 86 at a position close to one outer surface thereof, the two perforations 86 are provided, the two perforations 86 of the two left and right strips 85 correspond to each other, the two perforations 86 are internally connected with two accumulating mechanisms 9 in a penetrating manner, the two accumulating mechanisms 9 are respectively defined at one side of the two small half-dome plates 84, the accumulating mechanism 9 is composed of an inserting rod 91, an arc-shaped strip 92 and a water accumulating plate 93, the inserting rod 91 is fixedly installed at a position close to the upper end of one outer surface of the arc-shaped strip 92, the inserting rod 91 is connected with a nut by penetrating the inside of the perforation 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 accumulating plate 93, the accumulating mechanisms 9 are defined at both sides of the small half-dome plates 84, the inserting rod 91 penetrates the perforations 86 to the other outer surface of the strips 85, the nut is screwed down, the storage mechanism 9 is limited, the lower ends of the water accumulation plate 93 and the small half-dome plate 84 on the storage mechanism 9 are located 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 93 along the cambered surface of the small half-dome plate 84, the rainwater can be prevented from being stored on the surface of the beam body or in the machine body, and therefore damage of the rainwater is reduced.
As an embodiment of the invention, the outer surface of the lower end of the rectangular beam body 7 near both sides is provided with second sliding grooves 10, the inside of the two second sliding grooves 10 is slidably connected with clamping mechanisms 11, and 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 installed 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, when the lifting speed is too high, the rope body and the object shake can occur, the two clamping mechanisms 11 can be aligned with both 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, and in the moving process of, the clamping mechanism 11 also moves along with the lifting rope, when the mechanism can reduce the articles, the articles can rock and collide when the lifting rope is too thin and the lifting speed moves too fast, and the mechanism is convenient.
Specifically, two little half-dome board 84 laminates mutually, and its both half-dome board that splice is identical with the inside of half slot 82, with two little half-dome boards 84 card into the inside half slot 82 of fixed frame 8 of semicircle, 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 was 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, 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 the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the 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 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) 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 each inverted concave rectangular plate (31) and close to the middle position, the inverted concave rectangular plates (31) are movably connected inside the empty grooves (2) and close to the upper ends of the empty grooves, the clamping block (32) is clamped inside the clamping groove (21), the two convex rectangular plates (34) are vertically symmetrical, the hinge plate (35) is fixedly connected to the outer surfaces of the front ends of the two convex rectangular plates (34), the outer surface of the front end of the hinge plate (35) is movably connected with a pull rod (4) close to the upper end, the convex rectangular plates (34) are movably connected inside the inverted concave rectangular plate (31), the hinge plate and the hinge plate are hinged, the position, close to the lower end, inside the clamping groove (21) is fixedly connected with cross rods (5), the two cross rods (5) penetrate through the positions, close to the two sides, of the lower end of the convex rectangular plate (34), the two limiting columns (33) are fixedly installed on the outer surface of the rear end of the inverted concave rectangular plate (31) close to the middle position, the limiting columns (33) penetrate through the empty groove (2) and are movably connected with triangular blocks (6), and round holes (61) are formed in the outer surface of the, the number of the round holes (61) is two, the limiting columns (33) penetrate through the round holes (61) and are connected with nuts, transverse grooves (62) are formed in the outer surface of the upper end of the triangular block (6), the front transverse groove and the rear transverse groove (62) are connected with rectangular beam bodies (7) in a sliding mode, pulleys (71) are fixedly mounted at the positions, close to the front end and the rear end, of the outer surface of the lower end of each 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 each rectangular beam body (7), first sliding grooves (73) are formed in the positions, close to the two sides of each movable groove (72), of the outer surface of the upper end of each rectangular beam body (7), a crane body is connected with a fixed block (74) in a sliding mode, the outer surface of the upper end of each rectangular beam body (7) is close to, and one side surface of fixed block (74) has seted up inverse T-shaped groove (75), controls two inverse T-shaped groove (75) is a set of, and it is two sets of around, controls two the inside swing joint of inverse T-shaped groove (75) has fixed frame (8) of semicircle, and the lower extreme of the fixed frame of semicircle (8) is close to the position fixed mounting at both ends and has inverse T-shaped slider (81), inverse T-shaped slider (81) joint is in the inside of inverse T-shaped groove (75), the inside of the fixed frame of semicircle (8) is close to middle position and has seted up half round slot (82), and the inside of half round slot (82) is close to the position in the middle of the upper end and has seted up rectangle notch (83), two around the inside swing joint of half round slot (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 half round slot (, and a long strip (85) is fixedly arranged on the outer surface of the upper end of the small half-dome plate (84).
2. Bridge crane girder according to claim 1, characterized in that perforations (86) are provided near the outer surface of one side of the strip (85), the number of the perforations (86) is two, the perforations (86) of the left strip (85) and the right strip (85) correspond to each other, and the insides of the two through holes (86) are connected with two accumulation mechanisms (9) in a penetrating way, the number of the accumulation mechanisms (9) is two, the two accumulation mechanisms (9) are respectively limited on one side of the two small half-dome plates (84), the accumulation mechanism (9) consists of an inserted bar (91), an arc-shaped strip (92) and a water accumulation plate (93), the inserted bar (91) is fixedly arranged at the position of the outer surface of one side of the arc-shaped strip (92) close to the upper end, and the inserted bar (91) penetrates through the inside of the through hole (86) and is connected with the screw cap, and the arc-shaped strip (92) is fixedly arranged at the position of the outer surface of the upper end of the water collecting 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 spliced by the small half dome plates are fitted into the half 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 1, 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 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 |
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|---|---|
| CN112520572B (en) | 2023-01-13 |
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