CN216272815U - Multifunctional small crane with convertible chassis - Google Patents

Abstract

The utility model discloses a chassis convertible multifunctional small crane, which comprises a chassis base, a first support leg and a second support leg, wherein the chassis base comprises a top plate, a bottom plate and a chassis support rod, the top plate and the bottom plate are fixed at two sides of the chassis support rod in parallel, the first support leg and the second support leg can horizontally rotate around the chassis base, the first support leg and the second support leg are respectively arranged at two ends of the chassis base and are movably arranged between the top plate and the bottom plate, the two support legs are movably connected at two ends of the chassis base so as to enable the support legs to horizontally rotate around the chassis base, the positions of the support legs on the chassis base are adjusted, the structure of the whole chassis is changed, the chassis can realize the conversion between a triangular structure and a square structure, the effective area of the chassis is changed, when crane equipment is used for hoisting and carrying equipment with different sizes, the corresponding forms can be converted, the carrying is convenient, the storage is convenient when the crane equipment is not used, thereby improving the carrying efficiency.

Description

Multifunctional small crane with convertible chassis

Technical Field

The utility model relates to the technical field of lifting devices, in particular to a multifunctional small crane with a convertible chassis.

Background

During operation and maintenance work of the cable, the problem of water accumulation inside or outside the cable tunnel is often encountered, particularly after heavy rain, and therefore a water suction pump must be used for draining the accumulated water before the operation and maintenance work is carried out. The water pump used for pumping operation in the current power transmission transportation and inspection center is large in physical size and heavy in mass, multiple people are required to assist in transportation during transportation, the load of the people is 41kg, and the labor input cost is high. The following problems may exist in the multi-person assistance transportation process, firstly: in view of safety production, the manual carrying method has many hidden dangers, is very dependent on physical quality, health state and working site of workers, and once an accident happens, the result is not imaginable; secondly, the method comprises the following steps: in consideration of cost investment, the pumping operation is carried out for not less than 20 times every year, the cost of each person is 300 yuan every day, and the total investment of manpower in the whole year is too large; thirdly, the method comprises the following steps: the manual carrying speed is low during emergency repair, and the speed of emergency repair is not favorable for increasing the speed of emergency repair. The existing equipment for carrying the water pump generally adopts hoisting equipment, the chassis of the hoisting equipment is generally square or triangular, when the chassis is triangular, the effective area of the opening at the bottom is small, so that the hoisting equipment is not beneficial to hoisting large-size equipment, and the problem that the opening area is small is solved if the bottom is square, but the hoisting equipment occupies too large space and is inconvenient to store and carry.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problem of how to improve the carrying efficiency of hoisting equipment, and aims to provide a chassis-convertible multifunctional small crane, wherein a chassis is set as a rotatable chassis, two support legs are movably connected to two ends of a chassis base, so that the support legs can horizontally rotate around the chassis base, the positions of the support legs on the chassis base are adjusted, the structure of the whole chassis is changed, the chassis can realize the conversion between a triangular structure and a square structure, the effective area of the chassis is changed, and the two support legs and the chassis base are movably connected, so that the support legs can be folded into the chassis base, the miniaturization of the chassis is realized, and the chassis is easy to store; the chassis structure is convertible for crane equipment can convert the form that corresponds into when the equipment of hoist and mount transport different size and dimension, and convenient transport is conveniently accomodate when not using crane equipment, thereby improves handling efficiency.

The utility model is realized by the following technical scheme:

the utility model provides a multi-functional small-size loop wheel machine of chassis convertible formula, includes rotatable chassis, rotatable chassis includes chassis seat, first landing leg and second landing leg, the chassis seat includes roof, bottom plate and chassis bracing piece, and roof and bottom plate parallel fixation are in the both sides of chassis bracing piece, and first landing leg and second landing leg homoenergetic are around chassis seat horizontal rotation, and the both ends and the movable mounting of chassis seat are located respectively to first landing leg and second landing leg are between roof and bottom plate.

For general hoisting equipment, the chassis is fixed and is generally of a triangular or square structure, when the chassis is triangular, the effective area of an opening at the bottom is small, so that large-size equipment is not hoisted conveniently, and the problem of small opening area is solved because the bottom is square, but the hoisting equipment occupies too large space and is inconvenient to store and transport; therefore, the supporting legs at the bottom of the chassis are movably connected, so that the supporting legs can horizontally rotate around the chassis base, the whole chassis is in different structural forms by adjusting the positions of the chassis base and the two supporting legs, the shape of the chassis can be adjusted as required, and the conversion of a triangular/square structure is realized, so that the effective area of the chassis is changed, the effective opening area of the bottom can be increased due to the square shape, and the landing and the lifting of equipment are more convenient; and two landing legs and chassis seat adopt swing joint's mode, can fold into the chassis seat with the landing leg in, realize the miniaturization on chassis, and easily accomodate. Therefore, the chassis structure of various forms is integrated in one hoisting device on the premise of ensuring the advantages of the existing light-duty hoisting device, namely maintaining the hoisting capacity, the chassis can be converted according to the use environment, the carrying efficiency of the hoisting device is improved, and the cost is saved.

Further, first landing leg and second landing leg all include short stabilizer blade, rotatory stabilizer blade and connecting block, short stabilizer blade and rotatory stabilizer blade pass through connecting block swing joint, and the one end movable mounting of short stabilizer blade is between roof and bottom plate, and the other end and connecting block swing joint pass through connecting block swing joint, conveniently carry out the folding on chassis, easily accomodate.

Furthermore, both ends of the connecting block are provided with pin shaft sleeves, and the short supporting legs and the rotating supporting legs are connected with the connecting block through the pin shaft sleeves in a pin mode.

Further, the connecting block is L type structure, and the both ends of connecting block all are equipped with bolt structure, and the both sides of connecting block overlap respectively and locate the one end of short stabilizer blade and rotatory stabilizer blade, and short stabilizer blade and rotatory stabilizer blade pass through the bolt structure level in the connecting block and rotate.

Further, the length of rotatory stabilizer blade is longer than the length of short stabilizer blade, for the space of the equipment of hoist and mount, and convenient transport, when forming square structure, two rotatory stabilizer blades are used for bearing needs haulage equipment, consequently, its length can design longer a little adaptation equipment size, and the width that the short stabilizer blade was used for adjusting two rotatory stabilizer blades this moment, because chassis seat itself just has length, consequently adds the length of chassis seat when two short stabilizer blades are sharp, and is wider to the length of short stabilizer blade need not design the overlength.

Further, both ends of the chassis supporting rod are provided with idler wheels, and the idler wheels are arranged at the ends, far away from the chassis base, of the first supporting leg and the second supporting leg, so that the carrying of workers is facilitated, and the carrying efficiency is improved.

Furthermore, the end of the first support leg and the end of the second support leg far away from the chassis base and the two ends of the chassis support rod are both provided with side plates, and the inner sides of the side plates are both provided with roller cover plates for fixing rollers.

Further, still include flexible stand, davit and davit splint, flexible stand one end swing joint is on the chassis seat, and the other end is connected with the davit splint, davit one end and davit splint swing joint, the other end are equipped with the lifting hook, and davit swing joint can be when accomodating the loop wheel machine with the davit dismantlement, conveniently accomodate, reduces the consumption to storage space in the warehouse.

Further, for the convenient different hoist and mount height needs, flexible stand is equipped with the fixed orifices that a plurality of is used for the dead bolt buckle including fixed pole setting and telescopic link on the telescopic link, fixed pole setting and chassis seat swing joint, the telescopic link is connected with davit splint.

Furthermore, the push rod is movably connected to the side face of the stand column, and the push rod can move up and down around the crane, so that when the lifting device is used for carrying, the angle of the push rod can be adjusted, a worker can carry the lifting device conveniently, and the carrying efficiency is improved.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

according to the utility model, the structural shape of the crane chassis is changed by adjusting the position of the supporting leg on the chassis base, so that the chassis can be changed into a triangular structure and a square structure, the square structure can increase the effective opening area of the bottom, the lifting and hoisting of the equipment are more convenient, the square structure can facilitate the lifting and landing of the equipment, the triangular equipment can facilitate the carrying of the equipment, the chassis can be folded by movably connecting the supporting leg, and the requirement on storage space is greatly reduced;

the crane chassis adopts triangle/square convertible design, reduce the cost of labor to two people on developing the suction pump transport of the work of drawing water, and kept the lift ability that current light lifting device realized through the assembly pulley, adopt the less operating personnel's of the design of assembly pulley atress, when the large size suction pump of needs transport, it is square structure to rotate the bottom, effective open area has been increased, make handling more stable safer, and in handling, use the triangle-shaped structure to be favorable to lifting device to place on the crane shank, be convenient for manual transportation, reduce the transport manual work and personnel and exert oneself, and then reduce the cost of labor and improved handling efficiency simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic view of the overall structure of a multifunctional small crane with a convertible chassis according to the present invention;

FIG. 2 is a schematic view of the first/second leg of the present invention;

FIG. 3 is a schematic diagram of a rotatable base plate in a square configuration in accordance with one embodiment of the present invention;

FIG. 4 is a schematic structural view of a rotatable base plate in a triangular configuration according to an embodiment of the present invention.

Reference numbers and corresponding part names in the drawings:

1-rotatable chassis, 11-chassis base, 12-chassis support bar, 13-first leg, 14-second leg, 15-fixed base, 2-short leg, 3-rotating leg, 4-connecting block, 5-bolt structure, 6-side plate, 7-telescopic upright, 71-fixed upright, 72-telescopic rod, 73-fixed hole, 8-suspension arm, 9-suspension arm splint and 10-push rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the utility model. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.

Example 1

As shown in fig. 3 and 4, the chassis convertible multifunctional small crane of the present embodiment includes a rotatable chassis, the rotatable chassis includes a chassis base 11, a first leg 13 and a second leg 14, the chassis base 11 includes a top plate, a bottom plate and a chassis support rod 12, the top plate and the bottom plate are fixed on two sides of the chassis support rod 12 in parallel, the first leg 13 and the second leg 14 can both horizontally rotate around the chassis base 11, and the first leg 13 and the second leg 14 are respectively disposed at two ends of the chassis base 11 and movably mounted between the top plate and the bottom plate.

As shown in fig. 2, specifically, the first leg 13 and the second leg 14 each include a short leg 2, a rotating leg 3 and a connecting block 4, the short leg 2 and the rotating leg 3 are movably connected through the connecting block 4, one end of the short leg 2 is movably mounted between the top plate and the bottom plate, the other end of the short leg is movably connected with the connecting block 4, and the folding of the chassis is facilitated through the connecting block 4. And the length of the said swivel foot 3 is longer than the length of the short foot 2, for the space of the apparatus hoisted, and convenient transport, when forming the square structure, two swivel feet 3 are used for bearing and needing the transport apparatus, therefore, its length can be designed to be longer to adapt to the size of the apparatus, and the short foot 2 is used for adjusting the width of two swivel feet 3 at this moment, because the chassis base 11 itself has length, therefore add the length of the chassis base 11 when two short feet 2 are linear, it is wider, thus the length of the short foot 2 does not need to design overlength. As shown in FIG. 2, in actual use, the length of the short leg 2 is designed to be 50cm, the length of the connection module is 15cm, and the length of the rotating leg 3 is 80 cm.

In order to facilitate carrying, rollers are arranged at two ends of the chassis supporting rod 12, and the rollers are arranged at one ends, far away from the chassis base 11, of the first supporting leg 13 and the second supporting leg 14, so that carrying by workers is facilitated, and carrying efficiency is improved. The side plates 6 are arranged at one ends, far away from the chassis base 11, of the first supporting legs 13 and the second supporting legs 14 and at two ends of the chassis supporting rods 12, and roller cover plates used for fixing rollers are arranged on the inner sides of the side plates 6.

In one embodiment, the two ends of the connecting block 4 are provided with pin shaft sleeves, and the short leg 2 and the rotating leg 3 are connected with the connecting block 4 through the pin shaft sleeves.

In another embodiment, connecting block 4 is L type structure, the both ends of connecting block 4 all are equipped with bolt structure 5, the both sides of connecting block 4 are established respectively on short stabilizer blade 2 and runing foot 3, short stabilizer blade 2 and runing foot 3 pass through the 5 level rotations of bolt structure in the connecting block 4, through connecting block 4, runing foot 3 and runing foot 2 can fix for different shapes, make first landing leg 13/second landing leg 14 present different forms, as shown in fig. 3, runing foot 3 and short stabilizer blade 2 are when a straight line, the stabilizer blade is linear structure, when fixing runing foot 3 and short stabilizer blade 2 on the both sides of connecting block 4L type structure, the stabilizer blade is L type structure. The top plate and the bottom plate are of a trapezoid structure, at least two pin holes are formed in the trapezoid lower bottom and the two waists, specifically, at least three pin holes are formed in the top plate and the bottom plate of the chassis base 11 and are arranged in a triangular structure, and therefore when the short support legs 2 are fixed on the top plate, two pin holes are always used for fixing the short support legs 2.

As shown in fig. 3, when the chassis is required to be square, the respective rotary legs 3 and short legs 2 of the first leg 13 and the second leg 14 are simultaneously rotated into two sides of the connecting block 4, the rotary legs 3 and the short legs 2 are fixed into an L-shaped structure through the pin structures 5 on the connecting block 4, and then the short legs 2 and the chassis base 11 are installed in parallel through the pin holes on the chassis base 11, specifically, the short legs 2 of the two legs are fixed on the lower bottom edge of the trapezoidal structure of the chassis base 11, at this time, the first leg 13, the second leg 14 and the chassis base 11 form a square structure, so that the effective opening area is increased, the carrying process is more stable and safer, and thus, the landing and hoisting of the equipment can be conveniently performed in the hoisting process. As shown in fig. 4, when the chassis is required to be in a triangular structure, one of the rotating legs 3 or the short legs 2 of the first leg 13 and the second leg 14 is rotated into the pin of the connecting block 4, so that the rotating legs 3 and the short legs 2 are in a straight line, and then the short legs 2 of the first leg 13 and the second leg 14 with the adjusted structures are fixed to the chassis base 11 at a certain angle, specifically, the two short legs 2 are fixed to two waists of the trapezoidal structure of the chassis base 11, at this time, the first leg 13, the second leg 14 and the chassis base 11 form a triangular structure, and the chassis with the triangular structure is beneficial to placing a hoisted object on the legs, thereby facilitating manual transportation, reducing the labor and personnel output, and improving the transportation efficiency. In addition, connect through bolt structure 5 between the rotatory stabilizer blade 3 of each landing leg and the short stabilizer blade 2, conveniently dismantle and accomodate, when not using the loop wheel machine, fold short stabilizer blade 2 and rotatory stabilizer blade 3, make loop wheel machine storage occupation space reach the minimum.

Example 2

As shown in fig. 1, on the basis of embodiment 1, the chassis-convertible multifunctional small crane of this embodiment 2 further includes a telescopic column 7, a boom 8 and a boom clamp plate 9, one end of the telescopic column 7 is movably connected to the chassis base 11, the other end of the telescopic column is connected to the boom clamp plate 9, one end of the boom 8 is movably connected to the boom clamp plate 9, the other end of the boom is provided with a hook, and the boom 8 is movably connected to the boom clamp plate 9, so that the boom 8 can be detached when the crane is stored, thereby facilitating storage and reducing the consumption of storage space in a warehouse. Three fixing bolts which are distributed in a triangular shape are arranged on the suspension arm clamping plate 9, and the suspension arm 8 is fixed with the suspension arm clamping plate 9 through the bolts.

The side face of the telescopic upright post 7 is movably connected with a push rod 10, and the push rod 10 can move up and down around the crane, so that when the telescopic upright post is carried, the angle of the push rod 10 can be adjusted, a worker can carry the telescopic upright post conveniently, and the carrying efficiency is improved. And the push rod 10 is provided with a T-shaped handle, so that the crane can be conveniently pushed to advance.

In order to facilitate different hoisting height requirements, the telescopic upright post 7 comprises a fixed upright post 71 and a telescopic rod 72, a plurality of fixing holes 73 for fixing a bolt buckle are formed in the telescopic rod 72, the fixed upright post 71 is movably connected with the chassis base 11, and the telescopic rod 72 is connected with the suspension arm clamping plate 9. Specifically, be equipped with fixing base 15 on chassis seat 11's the roof, two bolt positions have been set up in fixed column's bottom, through bolt structure 5 and unable adjustment base swing joint, two bolts of fixed column bottom all need insert when using the loop wheel machine and realize the effect fixed with fixing base 15, when not using needs to accomodate, can extract fixed column and fixing base 15's bolt, 7 rotatory the setting level of flexible stand with the loop wheel machine, bolt on taking off davit splint 9 before setting level falls davit 8 and vertically puts down, this kind of design greatly reduced the consumption of loop wheel machine structure storage space in to the warehouse, get up the loop wheel machine is whole folding, the space is conveniently carried and is installed for a short time.

Through the structure, when the water pump is actually used, for example, in the operation of carrying the water pump in the water pumping operation, the labor cost is greatly saved, and the carrying of 4 persons is reduced to 2 persons; the carrying efficiency is improved, the stress per capita in the carrying process is reduced, the stress per capita is reduced from 41kg to below 25kg, and the safety in the carrying process is improved; the working mode is flexible, the crane chassis can be converted in a triangular state and a square state, the chassis form can be conveniently changed when the same crane equipment is used for hoisting and carrying equipment with different sizes, the labor cost is saved, the carrying efficiency is improved, and the equipment is flexible in use mode; on the other hand, the folding crane is convenient to store, the crane can be folded when being stored, the occupied area of a warehouse is reduced, and the folding crane is convenient to store and carry.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a multi-functional small-size loop wheel machine of chassis convertible formula, its characterized in that, includes rotatable chassis, rotatable chassis includes chassis seat (11), first landing leg (13) and second landing leg (14), chassis seat (11) include roof, bottom plate and chassis bracing piece (12), and roof and bottom plate parallel fixation are in the both sides of chassis bracing piece (12), and first landing leg (13) and second landing leg (14) homoenergetic are around chassis seat (11) horizontal rotation, and both ends and movable mounting in between roof and bottom plate of chassis seat (11) are located respectively to first landing leg (13) and second landing leg (14).

2. The multifunctional small crane with convertible chassis as claimed in claim 1, characterized in that the first leg (13) and the second leg (14) each comprise a short leg (2), a rotating leg (3) and a connecting block (4), the short leg (2) and the rotating leg (3) are movably connected through the connecting block (4), one end of the short leg (2) is movably installed between the top plate and the bottom plate, and the other end of the short leg is movably connected with the connecting block (4).

3. The multifunctional small crane with convertible chassis as claimed in claim 2, characterized in that the two ends of the connecting block (4) are provided with pin shaft sleeves, and the short legs (2) and the rotating legs (3) are connected with the connecting block (4) through the pin shaft sleeves.

4. The multifunctional small crane with the convertible chassis as claimed in claim 2, wherein the connecting block (4) is an L-shaped structure, the two ends of the connecting block (4) are both provided with a pin structure (5), two sides of the connecting block (4) are respectively sleeved on one end of the short leg (2) and one end of the rotating leg (3), and the short leg (2) and the rotating leg (3) horizontally rotate through the pin structure (5) in the connecting block (4).

5. The chassis convertible multipurpose small crane according to claim 2, characterized in that the length of the swivel foot (3) is longer than the length of the short foot (2).

6. The multifunctional small crane with convertible chassis as claimed in claim 1, wherein rollers are disposed at both ends of the chassis support rod (12), and rollers are disposed at the ends of the first leg (13) and the second leg (14) far away from the chassis base (11).

7. The multifunctional small crane with convertible chassis as claimed in claim 6, wherein the ends of the first leg (13) and the second leg (14) far away from the chassis base (11) and the two ends of the chassis support rod (12) are provided with side plates (6), and the inner sides of the side plates (6) are provided with roller cover plates for fixing rollers.

8. The multifunctional small crane with a convertible chassis as claimed in claim 1, further comprising a telescopic column (7), a boom (8) and a boom clamp plate (9), wherein one end of the telescopic column (7) is movably connected to the chassis base (11), the other end of the telescopic column is connected to the boom clamp plate (9), one end of the boom (8) is movably connected to the boom clamp plate (9), and the other end of the boom is provided with a hook.

9. The multifunctional small crane with convertible chassis as claimed in claim 8, wherein the telescopic column (7) comprises a fixed vertical rod (71) and a telescopic rod (72), the telescopic rod (72) is provided with a plurality of fixing holes (73) for fixing a latch buckle, the fixed vertical rod (71) is movably connected with the chassis base (11), and the telescopic rod (72) is connected with the boom clamp plate (9).

10. The multifunctional small crane with convertible chassis as claimed in claim 8, characterized in that a push rod (10) is movably connected to the side of the upright.

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