CN111232851B - Folding crane - Google Patents
Folding crane Download PDFInfo
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- CN111232851B CN111232851B CN202010172890.XA CN202010172890A CN111232851B CN 111232851 B CN111232851 B CN 111232851B CN 202010172890 A CN202010172890 A CN 202010172890A CN 111232851 B CN111232851 B CN 111232851B
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- frame body
- frame
- guide wheel
- unfolding
- hoisting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a folding crane, which comprises an unfolding driving mechanism, a frame body mechanism and a hoisting mechanism arranged on the frame body mechanism, wherein the frame body mechanism is arranged on the frame body mechanism; the frame body mechanism comprises a first frame body, a second frame body and a third frame body, and the unfolding driving mechanism comprises an unfolding electric winch, an unfolding steel wire rope and an unfolding guide wheel; when the crane is unfolded, the plane structure of the first support body is attached to the plane structure of the second support body, the inclined plane structure of the first support body is attached to the inclined plane structure of the second support body, the first support body and the second support body are in a vertical state, and the plane structure of the third support body is attached to the plane structure of the second support body. The invention realizes the object hoisting through the hoisting mechanism, realizes the automatic unfolding function of the whole crane after being folded under the action of the unfolding driving mechanism, is convenient to unfold, realizes the automatic folding and storage of the whole crane under the action of the closing driving mechanism, occupies small space, is convenient for the storage, transportation, movement, transition and the like of the crane, and saves corresponding cost.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a folding crane.
Background
The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes. The whole unable folding of current hoist is accomodate, and occupation space is big when leading to the hoist storage, is unfavorable for the rationalization in space to utilize, and hoist transportation, transition etc. are all fairly troublesome moreover, and are with high costs.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a folding crane, which is ingenious in structural design, small in occupied space, convenient for storage, transportation, movement, transition and the like of the crane, and convenient to fold and unfold, so that the whole crane is folded and stored. In order to achieve the above object, the present invention provides a folding crane, comprising an unfolding driving mechanism, a frame body mechanism and a lifting mechanism mounted on the frame body mechanism; the frame body mechanism comprises a first frame body, a second frame body and a third frame body, one end of the first frame body is of a plane structure, and the other end of the first frame body is of an inclined plane structure; one end of the second frame body is of an inclined plane structure, and the other end of the second frame body is of a plane structure; one end of the third frame body is of a plane structure; the inner edges of one ends of the two first frame bodies are hinged through a first rotating shaft; the outer edges of the other ends of the two first frame bodies are respectively hinged with the outer edges of one ends of the two second frame bodies through second rotating shafts; the inner edges of the other ends of the two second frame bodies are hinged with the inner edges of one ends of the two third frame bodies through third rotating shafts respectively;
the unfolding driving mechanism comprises an unfolding electric winch, an unfolding steel wire rope and an unfolding guide wheel; the two ends of the inner side of the first frame body are rotatably connected with the unfolding guide wheels; the two ends of the inner side of the second frame body are rotatably connected with the unfolding guide wheels; the inner side of one end of the third frame body is rotatably connected with the unfolding guide wheel; the unfolding electric winch is arranged on the outer side of the right third frame body, one end of the unfolding steel wire rope is connected with the unfolding electric winch, the other end of the unfolding steel wire rope penetrates from the outer side of the right third frame body to the inner side of the right third frame body, and the unfolding electric winch is connected with the inner side of the left third frame body after sequentially bypassing the unfolding guide wheel on the right third frame body, the unfolding guide wheel on the right second frame body, the unfolding guide wheels on the two first frame bodies at the top, the unfolding guide wheel on the left second frame body and the unfolding guide wheel on the left third frame body;
when the crane is unfolded, the plane structure of the first support body is attached to the plane structure of the second support body, the inclined plane structure of the first support body is attached to the inclined plane structure of the second support body, the first support body and the second support body are in a vertical state, and the plane structure of the third support body is attached to the plane structure of the second support body.
The closing driving mechanism comprises a closing electric winch, a closing steel wire rope and a closing guide wheel; the first rotating shaft and the third rotating shaft are both provided with the closed guide wheels; the middle parts of the outer sides of the first frame body and the second frame body are provided with the closed guide wheels; the closed electric winch is arranged on the outer side of the left third frame body, one end of the closed steel wire rope is connected with the closed electric winch, the other end of the closed steel wire rope penetrates from the outer side of the left third frame body to the inner side of the left third frame body, then bypasses the closed guide wheel on the left third rotating shaft, then penetrates from the inner side of the left second frame body to the outer side of the left second frame body, then sequentially bypasses the closed guide wheel on the left second frame body, the left second rotating shaft and the closed guide wheel on the left first frame body at the top, penetrates from the outer side of the left first frame body at the top to the inner side of the left first frame body at the top, bypasses the closed guide wheel on the first frame body at the right of the top after bypassing from the inner side of the right first frame body at the top to the outer side of the right first frame body at the top, and sequentially bypasses the closed guide wheel on the right first frame body at the top, the second, the outer side of the right second frame body penetrates to the inner side of the right second frame body, and the right second frame body is connected with the inner side of the right third frame body after bypassing a closed guide wheel on a right third rotating shaft;
after the crane is folded, the inner sides of the first support bodies are opposite, the outer sides of the first support bodies are opposite to the outer sides of the second support bodies, and the inner sides of the second support bodies are opposite to the inner sides of the third support bodies.
Further, the hoisting mechanism comprises a U-shaped frame, a hoisting electric winch, a first hoisting guide wheel, a second hoisting guide wheel, a hoisting steel wire rope, a hoisting hook and a pressing mechanism, wherein two sides of the U-shaped frame are wrapped by the inner side of the first frame body and are connected with the first frame body, the pressing mechanism is installed on the U-shaped frame, the hoisting electric winch is installed on the outer side of the other end of the right third frame body, the second hoisting guide wheel is rotatably installed on the inner side of one end of the right second frame body, the first hoisting guide wheel is rotatably installed on the U-shaped frame, one end of the hoisting steel wire rope is connected with the hoisting electric winch, and the other end of the hoisting steel wire rope penetrates through the outer side of the right third frame body to the inner side of the right third frame body, the lifting hook is connected with the lifting guide wheel after sequentially bypassing the second lifting guide wheel on the third frame body on the right, the second lifting guide wheel on the second frame body on the right and the first lifting guide wheel on the U-shaped frame; the pressing mechanism is aligned with the hoisting cable and used for pressing or loosening the hoisting cable.
Further, the pressing mechanism comprises a linear motor, an L-shaped mounting frame, a pressing plate and a back plate; one end of the L-shaped mounting frame is connected with the U-shaped frame, and the other end of the L-shaped mounting frame is connected with the back plate; the L-shaped mounting frame is provided with a notch at the L end connected with the back plate; the linear motor is installed on the L-shaped mounting frame, the linear motor is connected with the pressing plate, the pressing plate is located in the notch, the hoisting steel wire rope penetrates through the notch, and the hoisting steel wire rope is clamped between the pressing plate and the back plate.
Furthermore, the hoisting mechanism further comprises a translation driving mechanism, and the U-shaped frame and the first frame body are movably installed in a matched manner; the translation driving mechanism comprises a translation electric winch, a translation steel wire rope and a translation guide wheel; the translation electric winch is arranged on the outer side of the other end of the left third frame body, the translation guide wheel is rotatably arranged on the inner side of the other end of the left third frame body, and the translation guide wheel is rotatably arranged on the inner side of one end of the left second frame body; one end of the translation steel wire rope is connected with the translation electric winch, and the other end of the translation steel wire rope penetrates from the outer side of the left third frame body to the inner side of the left third frame body and then sequentially bypasses the translation guide wheel on the left third frame body and the translation guide wheel on the left second frame body and then is connected with the U-shaped frame.
Further, the other end of the third frame body is connected with a bottom plate, and the bottom of the bottom plate is provided with a movable roller.
Furthermore, a rotary driving mechanism for driving the movable roller to roll is arranged on the bottom plate.
Furthermore, a first through hole through which the expanded steel wire rope passes is formed in the third frame body on the right, and a second through hole through which the closed steel wire rope passes is formed in the third frame body on the left; third through holes through which the closed steel wire ropes pass are formed in the two second frame bodies; and fourth through holes through which the closed steel wire rope passes are formed in the two first frame bodies.
Furthermore, a fifth through hole through which the hoisting steel wire rope passes is formed in the third frame body on the right.
Furthermore, a sixth through hole through which the translation steel wire rope passes is formed in the third frame body on the left side.
The invention has the beneficial effects that: the object hoisting device realizes object hoisting through the hoisting mechanism, the frame body mechanism comprises the first frame body, the second frame body and the third frame body, the first frame body is hinged with the second frame body, and the third frame body is hinged with the second frame body, so that the first frame body, the second frame body and the third frame body are folded and stored, the occupied space is small, the storage, the transportation, the movement, the transfer and the like of a crane are facilitated, and the corresponding cost is saved. The invention realizes the automatic unfolding function of the whole crane after being folded under the action of the unfolding driving mechanism, and the unfolding is convenient. Further, under the effect of the closing driving mechanism, the automatic folding and storage of the whole crane are achieved, the crane does not need to be folded manually, manpower is saved, and the folding efficiency of the crane is improved. The invention has the advantages of ingenious structural design, convenient use, economy and practicality.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of the present invention when deployed.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a perspective view of the pressing mechanism and the U-shaped frame in fig. 1.
Fig. 4 is a perspective view of the first frame and the second frame corresponding to the left side in fig. 1.
Fig. 5 is a perspective view of the folded present invention.
The above reference numerals:
1 frame body mechanism, 10 first frame body, 11 second frame body, 12 third frame body, 101 slide way, 121 bottom plate, 2 hoisting mechanism, 20U type frame, 201 gyro wheel, 21 jack-up electric hoist, 22 jack-up wire rope, 23 second jack-up leading wheel, 24 first U type support, 25 jack-up couple, 26 first jack-up leading wheel, 260 otic placode, 270 translation electric hoist, 271 translation wire rope, 272 translation leading wheel, 273 second U type support, 28 hold-down mechanism, 280 linear motor, 281L type mounting bracket, 282 press plate, 283 backplate, 30 closed electric hoist, 31 closed wire rope, 32 closed leading wheel, 4 first rotation axis, 5 second rotation axis, 6 third rotation axis, 7 movement gyro wheel, 8 rotation driving mechanism, 90 expansion electric hoist, 91 expansion wire rope, 92 expansion leading wheel.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It is to be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the generic and descriptive sense only and not for purposes of limitation, as the term is used in the generic and descriptive sense, and not for purposes of limitation, unless otherwise specified or implied, and the specific reference to a device or element is intended to be a reference to a particular element, structure, or component. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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.
As shown in fig. 1 to 5, the folding crane provided in this embodiment includes an unfolding driving mechanism, a frame mechanism 1, and a lifting mechanism 2 mounted on the frame mechanism 1. The frame body mechanism 1 comprises a first frame body 10, a second frame body 11 and a third frame body 12, wherein one end of the first frame body 10 is of a plane structure, and the other end of the first frame body is of an inclined plane structure; one end of the second frame body 11 is of an inclined plane structure, and the other end of the second frame body is of a plane structure; one end of the third frame body 12 is of a plane structure; the inner edges of one ends of the two first frame bodies 10 are hinged through a first rotating shaft 4; the outer edges of the other ends of the two first frame bodies 10 are respectively hinged with the outer edges of one ends of the two second frame bodies 11 through second rotating shafts 5; two the interior limit of the 11 other ends of second support body is articulated mutually through third rotation axis 6 and two the interior limit of the 12 one ends of third support body respectively.
As shown in fig. 2, the unfolding driving mechanism comprises an unfolding electric winch 90, an unfolding steel wire rope 91 and an unfolding guide wheel 92; the two ends of the inner side of the first frame body 10 are rotatably connected with the unfolding guide wheels 92; the two ends of the inner side of the second frame body 11 are rotatably connected with the unfolding guide wheels 92; the unfolding guide wheel 92 is rotatably connected to the inner side of one end of the third frame body 12; the unfolding electric winch 90 is installed on the outer side of the right third frame body 12, one end of the unfolding steel wire rope 91 is connected with the unfolding electric winch 90, the other end of the unfolding steel wire rope penetrates from the outer side of the right third frame body 12 to the inner side of the right third frame body 12, and the unfolding steel wire rope sequentially bypasses an unfolding guide wheel 92 on the right third frame body 12, an unfolding guide wheel 92 on the right second frame body 11, unfolding guide wheels 92 on the two first frame bodies 10 on the top, an unfolding guide wheel 92 on the left second frame body 11, and an unfolding guide wheel 92 on the left third frame body 12 and then is connected with the inner side of the left third frame body 12.
In the present embodiment, the object is suspended by the suspending mechanism 2. This embodiment support body mechanism 1 includes first support body 10, second support body 11 and third support body 12, and articulates between first support body 10 and the second support body 12 mutually, articulates between third support body 12 and the second support body 11 mutually to realize folding between first support body 10, the second support body 11 and the third support body 12 and accomodate, occupation space is little, makes things convenient for hoist storage, transportation, removal, transition etc. save corresponding cost. Specifically, the folding between the first frame 10, the second frame 11 and the third frame 12 may be manually performed.
The embodiment realizes the unfolding function of the whole crane after being folded under the action of the unfolding driving mechanism, and the unfolding is convenient. When the crane is unfolded, the unfolding electric winch 90 drives the unfolding steel wire rope 91 to be tightened, so that the whole crane is unfolded under the action of the unfolding driving mechanism. After the expansion, the plane structures of the two first frame bodies 10 are attached to each other, the inclined plane structure of the first frame body 10 is attached to the inclined plane structure of the second frame body 11, the first frame body 10 and the second frame body 11 are in a vertical state, and the plane structure of the third frame body 12 is attached to the plane structure of the second frame body 11 to form a stable structure.
Further preferably, as shown in fig. 2, the folding crane further includes a closing driving mechanism, and the closing driving mechanism includes a closing electric winch 30, a closing wire rope 31, and a closing guide wheel 32; the first rotating shaft 4 and the third rotating shaft 6 are both provided with the closed guide wheels 32; the closing guide wheels 32 are arranged in the middles of the outer sides of the first frame body 10 and the second frame body 11; the closed electric winch 30 is installed at the outer side of the left third frame 12, one end of the closed steel wire rope 31 is connected with the closed electric winch 30, the other end of the closed steel wire rope penetrates from the outer side of the left third frame 12 to the inner side of the left third frame 12, then bypasses the closed guide wheel 32 on the left third rotating shaft 6, then penetrates from the inner side of the left second frame 11 to the outer side of the left second frame 11, then sequentially bypasses the closed guide wheel 32 on the left second frame 11, the left second rotating shaft 5 and the closed guide wheel 32 on the top left first frame 10, penetrates from the outer side of the top left first frame 10 to the inner side of the top left first frame 10, bypasses the closed guide wheel 32 on the first rotating shaft 4, penetrates from the inner side of the top right first frame 10 to the outer side of the top right first frame 10, and sequentially bypasses the closed guide wheel 32 on the top right first frame 10, The second rotating shaft 5 and the closed guide wheel 32 on the right second frame body 11 pass through the outer side of the right second frame body 11 to the inner side of the right second frame body 11, and are connected with the inner side of the right third frame body 12 after bypassing the closed guide wheel 32 on the right third rotating shaft 6.
Under the effect of the closing driving mechanism, the automatic folding and storage of the whole crane are realized, the crane does not need to be folded manually, the labor is saved, and the folding efficiency of the crane is improved. Specifically, when the closing driving mechanism drives the whole crane to fold and store, the closing electric winch 30 drives the closing steel wire rope 31 to tighten, and meanwhile, the unfolding electric winch 90 drives the unfolding steel wire rope 91 to loosen, when the crane is folded, the two first frame bodies 10 are folded under the action of the first rotating shaft 4, the two second frame bodies 11 are folded relative to the corresponding first frame bodies 10 under the action of the second rotating shaft 5, and the two third frame bodies 12 are folded relative to the corresponding second frame bodies 11 under the action of the third rotating shaft 6; after being folded, the inner sides of the two first frame bodies 10 are opposite, the outer sides of the first frame bodies 10 are opposite to the outer sides of the second frame bodies 11, and the inner sides of the second frame bodies 11 are opposite to the inner sides of the third frame bodies 12. Meanwhile, when the folding driving mechanism drives the folded crane to unfold, the closing electric winch 30 drives the closing steel wire rope 31 to be in a relaxed state.
In this embodiment, the third frame 12 on the right is provided with a first through hole through which the expanded steel wire rope 91 passes, and the third frame 12 on the left is provided with a second through hole through which the closed steel wire rope 31 passes; third through holes through which the closed steel wire ropes 31 penetrate are formed in the two second frame bodies 11; and fourth through holes through which the closed steel wire rope 31 passes are formed in the two first frame bodies 10.
In this embodiment, it is further preferable that the hoisting mechanism 2 includes a U-shaped frame 20, an electric hoisting winch 21, a first hoisting guide wheel 26, a second hoisting guide wheel 23, a hoisting steel wire rope 22, a hoisting hook 25 and a pressing mechanism 28, two sides of the U-shaped frame 20 are wrapped by the inner side of the first frame 10 and are connected with the first frame 10, the pressing mechanism 28 is installed on the U-shaped frame 20, the electric hoisting winch 21 is installed at the outer side of the other end of the right third frame 12, the second hoisting guide wheel 23 is installed at the inner side of the other end of the right third frame 12 in a rotating manner, the second hoisting guide wheel 23 is installed at the inner side of one end of the right second frame 10 in a rotating manner, the first hoisting guide wheel 26 is installed on the U-shaped frame 20 in a rotating manner, one end of the hoisting steel wire rope 22 is connected with the electric hoisting winch 21, and the other end of the lifting hook passes through the outer side of the right third frame body 12 to the inner side of the right third frame body 12, and then sequentially bypasses the second lifting guide wheel 23 on the right third frame body 12, the second lifting guide wheel 23 on the right second frame body 11 and the first lifting guide wheel 26 on the U-shaped frame 20 to be connected with the lifting hook 25; the hold-down mechanism 28 is aligned with the hoist cable 22 and is used to hold down or release the hoist cable 22. In this embodiment, a fifth through hole through which the hoist rope 22 passes is formed in the third frame body 12 on the right. Wherein the inner side of the right second frame body 11 is connected with a first U-shaped bracket 24, and the second hoisting guide wheel 23 is rotatably mounted on the first U-shaped bracket 24. The first lift guide wheel 26 is pivotally mounted to the U-shaped frame 20 by two ear plates 260.
In the present embodiment, when the crane performs a crane hoisting operation, the hoisting cable 22 is wound and unwound by the hoisting electric hoist 21 to realize the ascending and descending of the hoisting hook 25, and the hoisting cable 22 is compressed by the compressing mechanism 28 to fix the hoisting hook 25 at a corresponding position in the air.
In this embodiment, it is further preferable that the pressing mechanism 28 includes a linear motor 280, an L-shaped mounting rack 281, a pressing plate 282, and a back plate 283; one end of the L-shaped mounting rack 281 is connected to the U-shaped rack 20, and the other end is connected to the back plate 283; the L-shaped mounting rack 281 is provided with a notch at the L end connected with the back plate 283; the linear motor 280 is mounted on the L-shaped mounting rack 281, the linear motor 280 is connected to the pressing plate 282, the pressing plate 282 is located in the gap, the hoist cable 22 passes through the gap, and the hoist cable 22 is clamped between the pressing plate 282 and the back plate 283. In this embodiment, the linear motor 280 drives the pressing plate 282 to move, so that the pressing plate 282 and the back plate 283 clamp the hoist rope 22.
In this embodiment, it is further preferable that the hoisting mechanism 2 further includes a translation driving mechanism, and the U-shaped frame 1 is movably installed in cooperation with the first frame body 10; the translation driving mechanism comprises a translation electric winch 270, a translation steel wire rope 271 and a translation guide wheel 272; the translational electric winch 270 is installed at the outer side of the other end of the left third frame body 12, the translational guide wheel 272 is rotatably installed at the inner side of the other end of the left third frame body 12, and the translational guide wheel 272 is rotatably installed at the inner side of one end of the left second frame body 11; one end of the translational steel wire rope 271 is connected with the translational electric winch 270, and the other end of the translational steel wire rope 271 passes through the outer side of the left third frame body 12 to the inner side of the left third frame body 12, and then sequentially bypasses the translational guide wheel 272 on the left third frame body 12 and the translational guide wheel 272 on the left second frame body 11 and then is connected with the U-shaped frame 20. In this embodiment, a sixth through hole through which the translation steel wire rope 271 passes is formed in the left third frame body 12. Wherein, the inner side of the second frame body 11 on the left is connected with a second U-shaped bracket 273, and the translational guide wheel 272 is rotatably installed on the second U-shaped bracket 273.
Specifically, rollers 201 are arranged on two sides of the U-shaped frame 20, the sliding ways 101 matched with the rollers 201 are arranged on two sides of the first frame body 10, and the translational electric winch 270 drives the translational steel wire rope 271 to be wound and unwound so as to realize the movement of the U-shaped frame 20 on the two first frame bodies 10, so that the translational movement of the hoisting mechanism 2 is realized, and the hoisting operation is convenient.
In this embodiment, it is further preferable that the other end of the third frame 12 is connected to a bottom plate 121, and the bottom of the bottom plate 121 is provided with a moving roller 7. Wherein, the bottom plate 121 is provided with a rotary driving mechanism 8 for driving the moving roller 7 to roll. Wherein the rotary driving mechanism 8 can be a rotary motor to drive the moving roller 7 to rotate, so as to drive the whole crane to move, thereby facilitating the loading operation.
In this embodiment, the terms "outer side" and "inner side" refer to the edge of the end surface of the component, and the terms "outer side" and "inner side" refer to the outer side and the inner side of the end surface of the first frame body 10, respectively, for the first frame body 10.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A folding crane is characterized by comprising an unfolding driving mechanism, a frame body mechanism and a hoisting and carrying mechanism arranged on the frame body mechanism; the frame body mechanism comprises a first frame body, a second frame body and a third frame body, one end of the first frame body is of a plane structure, and the other end of the first frame body is of an inclined plane structure; one end of the second frame body is of an inclined plane structure, and the other end of the second frame body is of a plane structure; one end of the third frame body is of a plane structure; the inner edges of one ends of the two first frame bodies are hinged through a first rotating shaft; the outer edges of the other ends of the two first frame bodies are respectively hinged with the outer edges of one ends of the two second frame bodies through second rotating shafts; the inner edges of the other ends of the two second frame bodies are hinged with the inner edges of one ends of the two third frame bodies through third rotating shafts respectively;
the unfolding driving mechanism comprises an unfolding electric winch, an unfolding steel wire rope and an unfolding guide wheel; the two ends of the inner side of the first frame body are rotatably connected with the unfolding guide wheels; the two ends of the inner side of the second frame body are rotatably connected with the unfolding guide wheels; the inner side of one end of the third frame body is rotatably connected with the unfolding guide wheel; the unfolding electric winch is arranged on the outer side of the right third frame body, one end of the unfolding steel wire rope is connected with the unfolding electric winch, the other end of the unfolding steel wire rope penetrates from the outer side of the right third frame body to the inner side of the right third frame body, and the unfolding electric winch is connected with the inner side of the left third frame body after sequentially bypassing the unfolding guide wheel on the right third frame body, the unfolding guide wheel on the right second frame body, the unfolding guide wheels on the two first frame bodies at the top, the unfolding guide wheel on the left second frame body and the unfolding guide wheel on the left third frame body;
when the crane is unfolded, the plane structures of the two first frame bodies are attached, the inclined plane structure of the first frame body is attached to the inclined plane structure of the second frame body, the first frame body and the second frame body are in a vertical state, and the plane structure of the third frame body is attached to the plane structure of the second frame body;
the closed driving mechanism comprises a closed electric winch, a closed steel wire rope and a closed guide wheel; the first rotating shaft and the third rotating shaft are both provided with the closed guide wheels; the middle parts of the outer sides of the first frame body and the second frame body are provided with the closed guide wheels; the closed electric winch is arranged on the outer side of the left third frame body, one end of the closed steel wire rope is connected with the closed electric winch, the other end of the closed steel wire rope penetrates from the outer side of the left third frame body to the inner side of the left third frame body, then bypasses the closed guide wheel on the left third rotating shaft, then penetrates from the inner side of the left second frame body to the outer side of the left second frame body, then sequentially bypasses the closed guide wheel on the left second frame body, the left second rotating shaft and the closed guide wheel on the left first frame body at the top, penetrates from the outer side of the left first frame body at the top to the inner side of the left first frame body at the top, bypasses the closed guide wheel on the first frame body at the right of the top after bypassing from the inner side of the right first frame body at the top to the outer side of the right first frame body at the top, and sequentially bypasses the closed guide wheel on the right first frame body at the top, the second, the outer side of the right second frame body penetrates to the inner side of the right second frame body, and the right second frame body is connected with the inner side of the right third frame body after bypassing a closed guide wheel on a right third rotating shaft;
after the crane is folded, the inner sides of the first support bodies are opposite, the outer sides of the first support bodies are opposite to the outer sides of the second support bodies, and the inner sides of the second support bodies are opposite to the inner sides of the third support bodies.
2. The folding crane according to claim 1, wherein the hoisting mechanism comprises a U-shaped frame, an electric hoisting winch, a first hoisting guide wheel, a second hoisting guide wheel, a hoisting steel wire rope, a hoisting hook and a pressing mechanism, the first frame body is wrapped by the inner side of the first frame body on both sides of the U-shaped frame and is connected with the first frame body, the pressing mechanism is installed on the U-shaped frame, the electric hoisting winch is installed on the outer side of the other end of the right third frame body, the second hoisting guide wheel is rotatably installed on the inner side of one end of the right second frame body, the first hoisting guide wheel is rotatably installed on the U-shaped frame, one end of the hoisting steel wire rope is connected with the electric hoisting winch, and the other end of the hoisting steel wire rope penetrates from the outer side of the right third frame body to the inner side of the right third frame body, the lifting hook is connected with the lifting guide wheel after sequentially bypassing the second lifting guide wheel on the third frame body on the right, the second lifting guide wheel on the second frame body on the right and the first lifting guide wheel on the U-shaped frame; the pressing mechanism is aligned with the hoisting cable and used for pressing or loosening the hoisting cable.
3. The folding crane of claim 2, wherein the hold-down mechanism comprises a linear motor, an L-shaped mounting bracket, a hold-down plate and a back plate; one end of the L-shaped mounting frame is connected with the U-shaped frame, and the other end of the L-shaped mounting frame is connected with the back plate; the L-shaped mounting frame is provided with a notch at the L end connected with the back plate; the linear motor is installed on the L-shaped mounting frame, the linear motor is connected with the pressing plate, the pressing plate is located in the notch, the hoisting steel wire rope penetrates through the notch, and the hoisting steel wire rope is clamped between the pressing plate and the back plate.
4. The folding crane of claim 3, wherein said hoisting mechanism further comprises a translation driving mechanism, and said U-shaped frame is movably fitted with said first frame body; the translation driving mechanism comprises a translation electric winch, a translation steel wire rope and a translation guide wheel; the translation electric winch is arranged on the outer side of the other end of the left third frame body, the translation guide wheel is rotatably arranged on the inner side of the other end of the left third frame body, and the translation guide wheel is rotatably arranged on the inner side of one end of the left second frame body; one end of the translation steel wire rope is connected with the translation electric winch, and the other end of the translation steel wire rope penetrates from the outer side of the left third frame body to the inner side of the left third frame body and then sequentially bypasses the translation guide wheel on the left third frame body and the translation guide wheel on the left second frame body and then is connected with the U-shaped frame.
5. The folding crane according to any one of claims 1 to 4, wherein the other end of the third frame body is connected with a bottom plate, and the bottom of the bottom plate is provided with a moving roller.
6. The folding crane of claim 5, wherein said base plate is provided with a rotary drive mechanism for driving said movable roller to roll.
7. The folding crane as claimed in claim 1, wherein the third frame body on the right is provided with a first through hole through which the unfolding wire rope passes, and the third frame body on the left is provided with a second through hole through which the closing wire rope passes; third through holes through which the closed steel wire ropes pass are formed in the two second frame bodies; and fourth through holes through which the closed steel wire rope passes are formed in the two first frame bodies.
8. The folding crane as claimed in claim 2, wherein the third frame body on the right is provided with a fifth through hole through which the hoisting cable passes.
9. The folding crane of claim 4, wherein the third frame body on the left is provided with a sixth through hole for the translation steel wire rope to pass through.
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| CN202010172890.XA CN111232851B (en) | 2020-03-13 | 2020-03-13 | Folding crane |
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| CN202010172890.XA CN111232851B (en) | 2020-03-13 | 2020-03-13 | Folding crane |
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| CN111232851B true CN111232851B (en) | 2020-12-22 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112277765B (en) * | 2020-11-10 | 2021-11-23 | 湖南成鑫专用汽车有限公司 | Automatic can accomodate formula portal crane |
| CN112456339A (en) * | 2020-12-02 | 2021-03-09 | 中国农业银行股份有限公司 | Hoisting apparatus for computer lab |
| CN113548579A (en) * | 2021-09-23 | 2021-10-26 | 纽科伦（新乡）起重机有限公司 | Foldable portal crane |
| CN116062610B (en) * | 2023-04-07 | 2023-06-16 | 湖南维尔力德科技有限公司 | Quick positioning type folding crane |
| CN116835440B (en) * | 2023-09-04 | 2023-12-05 | 河南科技学院 | Folding permanent magnet driving small crane |
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| CN111232851A (en) | 2020-06-05 |
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