CN110615372B - Adjustable movable lifting device - Google Patents
Adjustable movable lifting device Download PDFInfo
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- CN110615372B CN110615372B CN201910933333.2A CN201910933333A CN110615372B CN 110615372 B CN110615372 B CN 110615372B CN 201910933333 A CN201910933333 A CN 201910933333A CN 110615372 B CN110615372 B CN 110615372B
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- 230000007704 transition Effects 0.000 claims abstract description 26
- 229910000746 Structural steel Inorganic materials 0.000 claims description 16
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 235000004443 Ricinus communis Nutrition 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 210000003141 lower extremity Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses an adjustable movable lifting device which comprises a chassis with casters at the bottom, wherein a fixed upright post is arranged at the top of the chassis, a supporting piece is arranged at the top of the fixed upright post, a transition fixed pulley mechanism is arranged at the top of the supporting piece, a lifting arm is arranged at the top of the side wall of the fixed upright post, a lifting fixed pulley mechanism is arranged at one end of the lifting arm extending outwards, a winch mechanism with a crank is arranged on the side wall of the fixed upright post, which is on the same side as the supporting piece, and a steel wire rope arranged on the winch mechanism sequentially bypasses the transition fixed pulley mechanism and pulleys in the lifting fixed pulley mechanism to be connected with a lifting hook. The invention has the characteristics of convenient transportation, easy hoisting, labor saving, labor intensity reduction, no power and energy consumption, flexible hoisting mode, stable and efficient hoisting speed, and can be widely applied to the hoisting field.
Description
Technical Field
The invention relates to a lifting device, in particular to an adjustable movable lifting device.
Background
At present, if an object is required to be moved and lifted, an electric hoist or a crane is usually adopted for operation, but in actual operation, the electric hoist or the crane is limited by space limitation of an operation site and equipment layout, the space environment of the actual operation site is narrow, the electric hoist or the crane cannot play a role at all, and only manual one-hand operation is allowed for the movement and lifting operation of a heavy object, so that great inconvenience is brought to workers.
Although the manual disassembly method is improved for many times, the manual disassembly method is needed to be carried out in modes of holding and lifting, and the assembly and disassembly are affected by the dilemma that no place is used and no force is used when objects with large weight (more than 500kg are estimated on site) such as a frequency converter case body, an LCL reactor unit and the like are limited by site space.
Disclosure of Invention
The invention aims to overcome the defects of the background technology, and provides an adjustable movable lifting device which is convenient to transport, easy to lift, labor-saving, flexible in lifting mode, stable and efficient in lifting speed, and power and energy are not required to be consumed.
The invention provides an adjustable movable lifting device, which comprises a chassis with casters at the bottom, wherein a fixed upright post is arranged at the top of the chassis, a supporting piece is arranged at the top of the fixed upright post, a transition fixed pulley mechanism is arranged at the top of the supporting piece, a lifting arm is arranged at the top of the side wall of the fixed upright post, a lifting fixed pulley mechanism is arranged at one end of the lifting arm which extends outwards, a winch mechanism with a crank is arranged on the side wall of the fixed upright post, which is on the same side as the supporting piece, and a steel wire rope arranged on the winch mechanism sequentially bypasses the transition fixed pulley mechanism and pulleys in the lifting fixed pulley mechanism to be connected with a lifting hook.
In the technical scheme, lifting columns are coaxially arranged in the fixed columns, corresponding column positioning holes are uniformly distributed on two sides of the wall of the lifting columns from top to bottom, column fixing holes corresponding to the column positioning holes are formed in the top of the wall of the fixed columns, the column fixing holes are connected with the column positioning holes through column positioning pins, and the supporting piece is connected with the top of the lifting columns; the side wall of the top of the lifting upright post is provided with a boom support, two sides of one side of the boom support, which is close to the lifting upright post, are symmetrically provided with boom hinge holes, two sides of the other side, which is away from the lifting upright post, of the boom support are symmetrically and uniformly provided with a plurality of boom positioning holes, the boom positioning holes on the same side are arranged in an arc shape by taking the boom hinge holes as circle centers, the other end of the lifting arm is respectively provided with a hole corresponding to the boom hinge holes and the boom positioning holes, the lifting arm is connected with the boom hinge holes through boom hinge pins, and the lifting arm is connected with one boom positioning hole through boom positioning pins; the lifting arm is characterized in that an extending arm is coaxially arranged in the lifting arm, corresponding extending positioning holes are uniformly distributed on two sides of the wall of the extending arm, an extending arm fixing hole corresponding to the extending positioning holes is formed in the wall of one end, extending outwards, of the lifting arm, the extending arm fixing hole is connected with the extending positioning holes through an extending arm positioning pin, and one end, extending outwards, of the extending arm is connected with the lifting fixed pulley mechanism.
In the technical scheme, the chassis top is equipped with the articulated support, articulated support bottom one side bilateral symmetry is equipped with the support hinge hole, articulated support top bilateral symmetry is equipped with the support locating hole that is located the support hinge hole directly over, articulated support bottom another side bilateral symmetry be equipped with the support horizontal hole of support hinge hole same horizontal plane, the distance of support locating hole to support hinge hole equals with the distance of support horizontal hole to support hinge hole, the fixed column bottom is equipped with the hole that corresponds with support hinge hole and support locating hole respectively, the fixed column passes through support hinge bolt and links to each other with the support hinge hole, when the fixed column is vertical to be put, the fixed column passes through support fixed bolt and support locating hole is fixed to link to each other, when the fixed column is placed horizontally, the fixed column passes through support fixed bolt and support horizontal hole is fixed continuous.
In the technical scheme, the chassis is formed by a structural steel pipe, a connecting plate connected with one side of the structural steel pipe, an upper supporting plate and a lower supporting plate which are respectively connected with the connecting plate up and down, two ends of the bottom of the hinged support are respectively fixedly connected with the top surfaces of the structural steel pipe and the upper supporting plate, two ends of one side of the upper supporting plate, which are close to the structural steel pipe, are symmetrically and uniformly provided with a plurality of upper supporting positioning holes, the uniformly distributed upper supporting positioning holes are distributed by taking the upper supporting positioning holes as circle centers and are arranged in an arc shape, the lower supporting plate is provided with a lower supporting positioning hole corresponding to the upper supporting positioning hole, two ends of a cavity between the upper supporting plate and the lower supporting plate are respectively and symmetrically provided with lower supporting legs, one end of each lower supporting leg inserted into the cavity is respectively connected with the upper supporting positioning hole and the lower supporting positioning hole through a lower supporting leg hinging pin, one end of each lower supporting leg inserted into the cavity is respectively connected with the upper supporting hinging hole and the lower supporting hinging hole through a lower supporting leg hinging pin, and two ends of each lower supporting leg inserted into the cavity are respectively connected with two ends of each trundle, and each trundle is respectively arranged at two ends of the trundles.
In the above technical scheme, every lower supporting leg pipe wall top surface and bottom surface are equipped with along axial equipartition, and the supporting leg locating hole that corresponds, every lower supporting leg outwards extends the coaxial extension pipe that is equipped with of one end, extension pipe wall top surface and bottom surface are equipped with the extension pipe fixed orifices that corresponds with the supporting leg locating hole, the extension pipe passes through extension pipe locating pin and extension pipe fixed pin and links to each other with the supporting leg locating hole that corresponds, every extension pipe outwards extends one end bottom is equipped with the truckle.
In the technical scheme, the hinged support is positioned on the central axis of the structural steel pipe and the upper supporting plate.
In the above technical scheme, be equipped with stand anti-loosening bolt on the stand locating pin, the davit articulates the bolt and is equipped with the articulated anti-loosening bolt of davit, be equipped with the fixed anti-loosening bolt of davit location on the davit locating bolt, be equipped with the fixed anti-loosening bolt of extension arm location on the extension arm locating bolt, be equipped with the fixed anti-loosening bolt of support on the support articulated bolt, be equipped with the fixed anti-loosening bolt of support on the support fixed bolt, be equipped with the articulated anti-loosening bolt of lower limb on the lower limb articulated bolt, be equipped with the fixed anti-loosening bolt of lower limb on the lower limb locating bolt, be equipped with the fixed anti-loosening bolt of extension tube location on the extension tube locating bolt, be equipped with the fixed pin of extension tube location anti-loosening bolt of extension tube.
In the technical scheme, the arrangement radian of the plurality of upper supporting and positioning holes arranged in the arc shape is 60 degrees.
In the technical scheme, the stretching arm is connected with the lifting fixed pulley mechanism through the lifting fixed pulley locating pin, the lifting fixed pulley locating pin is provided with a lifting fixed pulley anti-loosening bolt, the top of the supporting piece is connected with the transition fixed pulley mechanism through the transition fixed pulley locating pin, and the transition fixed pulley locating pin is provided with a transition fixed pulley anti-loosening bolt.
In the above technical scheme, the caster is a universal caster.
The adjustable movable lifting device has the following beneficial effects: after the square steel with different specifications is simply processed, the square steel is fixed together by utilizing various positioning pins, hinged bolts, fixing bolts and anti-loosening bolts to form a movable lifting carrier. And then the pulley mechanism is matched, a steel wire rope of the winch passes through a pulley in the pulley mechanism, and the crank is cranked to realize the lifting purpose of the heavy object. The chassis of the lifting device is also provided with 4 sets of universal casters, so that the lifting device can quickly move to one place after lifting heavy objects from the other place in a narrow space, the construction labor is saved, and the labor intensity is reduced. And oil, electricity and gas are not required to be consumed as power, so that energy consumption is saved. The lifting mode is flexible, and the lifting speed is stable, rapid and efficient. The invention has simple structure, simple operation, no limitation of space field, low manufacturing cost, and high popularization and use value, can be used in various load hoisting operation fields, and can play a role in ensuring safety, saving time and effort.
Drawings
FIG. 1 is a schematic view of an adjustable mobile lifting device according to the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is an enlarged schematic view of FIG. 1 at B;
FIG. 4 is an enlarged schematic view of FIG. 1 at C;
FIG. 5 is an enlarged schematic view of FIG. 1 at D;
FIG. 6 is a schematic view of the structure of the adjustable mobile lifting device of the present invention when lifted;
Fig. 7 is a schematic structural view of the adjustable movable lifting device of the present invention when being stored.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, which should not be construed as limiting the invention.
Referring to fig. 1, the adjustable movable lifting device comprises a chassis 2 with casters 1 at the bottom, a fixed upright 3 is arranged at the top of the chassis 2, a supporting piece 4 is arranged at the top of the fixed upright 3, a transition fixed pulley mechanism 5 is arranged at the top of the supporting piece 4, a lifting arm 6 is arranged at the top of the side wall of the fixed upright 3, a lifting fixed pulley mechanism 7 is arranged at one end of the lifting arm 6 extending outwards, a winch mechanism 9 with a crank 8 is arranged on the side wall of the fixed upright 3 on the same side as the supporting piece 4, and a steel wire rope 10 arranged on the winch mechanism 9 sequentially bypasses the transition fixed pulley mechanism 5 and pulleys in the lifting fixed pulley mechanism 7 to be connected with a lifting hook 11.
Referring to fig. 2, a lifting upright post 12 is coaxially arranged in the fixed upright post 3, corresponding upright post positioning holes 12.1 are uniformly distributed on two sides of the wall of the lifting upright post 12 from top to bottom, upright post fixing holes 3.1 corresponding to the upright post positioning holes 12.1 are formed in the top of the wall of the fixed upright post 3, the upright post fixing holes 3.1 are connected with the upright post positioning holes 12.1 through upright post positioning pins 13, and the number of the upright post positioning pins 13 is two; referring to fig. 3, the supporting member 4 is connected with the top of the lifting upright 12, a boom support 14 is arranged on the side wall of the top of the lifting upright 12, boom hinge holes 14.1 are symmetrically arranged on two sides of one side of the boom support 14, which is close to the lifting upright 12, a plurality of boom positioning holes 14.2 are symmetrically and uniformly distributed on two sides of the other side, which is far away from the lifting upright 12, of the boom support 14, the boom positioning holes 14.2 on the same side are arranged in a circular arc shape with the boom hinge holes 14.1 as circle centers, holes corresponding to the boom hinge holes 14.1 and the boom positioning holes 14.2 are respectively arranged on the other end of the lifting arm 6, the lifting arm 6 is connected with the boom hinge holes 14.1 through a boom hinge pin 15, and the lifting arm 6 is connected with one boom positioning hole 14.2 through a boom positioning pin 16; referring to fig. 4, an extension arm 17 is coaxially arranged in the lifting arm 6, corresponding extension positioning holes 17.1 are uniformly distributed on two sides of the pipe wall of the extension arm 17, an extension arm fixing hole 6.1 corresponding to the extension positioning hole 17.1 is formed in the pipe wall of one end of the lifting arm 6 extending outwards, the extension arm fixing hole 6.1 is connected with the extension positioning hole 17.1 through an extension arm positioning pin 18, two extension arm positioning pins 18 are arranged, and one end of the extension arm 17 extending outwards is connected with the lifting fixed pulley mechanism 7.
Referring to fig. 5, the top of the chassis 2 is provided with a hinged support 19, two sides of one side of the bottom of the hinged support 19 are symmetrically provided with support hinge holes 19.1, two sides of the top of the hinged support 19 are symmetrically provided with support positioning holes 19.2 located right above the support hinge holes 19.1, two sides of the other side of the bottom of the hinged support 19 are symmetrically provided with support horizontal holes 19.3 located on the same horizontal plane as the support hinge holes 19.1, the distance from the support positioning holes 19.2 to the support hinge holes 19.1 is equal to the distance from the support horizontal holes 19.3 to the support hinge holes 19.1, the bottom of the fixed upright 3 is respectively provided with a hole corresponding to the support hinge holes 19.1 and the support positioning holes 19.2, the fixed upright 3 is connected with the support hinge holes 19.1 through support hinge bolts 20, when the fixed upright 3 is vertically placed, the fixed upright 3 is fixedly connected with the support positioning holes 19.2 through support fixing bolts 21, and when the fixed upright 3 is horizontally placed, the fixed upright 3 is fixedly connected with the support horizontal holes 19.3 through support fixing bolts 21.
The chassis 2 is composed of a structural steel pipe 2.1, a connecting plate 2.2 connected with one side of the structural steel pipe 2.1, an upper supporting plate 2.3 and a lower supporting plate 2.4 which are respectively connected with the connecting plate 2.2 up and down, two ends of the bottom of the hinged support 19 are respectively fixedly connected with the top surfaces of the structural steel pipe 2.1 and the upper supporting plate 2.3, two ends of one side of the upper supporting plate 2.3, which is close to the structural steel pipe 2.1, are symmetrically provided with upper supporting and positioning holes 2.3.2, two ends of the other side of the upper supporting plate 2.3 are symmetrically distributed with a plurality of upper supporting and positioning holes 2.3.2, the uniformly distributed upper supporting and positioning holes 2.3.2 are arranged in a circular arc shape by taking the upper supporting and hinging holes 2.3.1 as circle centers, the lower supporting and hinging holes corresponding to the upper supporting and hinging holes 2.3.1 are arranged on the lower supporting plate 2.4, the lower supporting and positioning holes 2.4 are respectively arranged on the lower supporting and positioning holes corresponding to the upper supporting and positioning holes 2.3.3.1, two ends of the cavity between the upper supporting plate 2.3 and the lower supporting plate 2.4 are symmetrically provided with lower supporting legs 22, two ends of each lower supporting leg 22 are respectively arranged on the supporting leg, the upper supporting leg and the lower supporting leg 2.2.3 and the lower supporting leg is respectively connected with one end of the lower supporting leg 2.2.1 through the corresponding to the lower supporting and the lower supporting leg 2.2.1 and the lower supporting leg positioning hole 2.2.
The top surface and the bottom surface of the pipe wall of each lower supporting leg 22 are provided with supporting leg positioning holes 22.1 which are uniformly distributed along the axial direction and correspond to each other, one end of each lower supporting leg 22 which extends outwards is coaxially provided with an extension pipe 25, the top surface and the bottom surface of the pipe wall of the extension pipe 25 are provided with extension pipe fixing holes 25.1 which correspond to the supporting leg positioning holes 22.1, the extension pipe 25 is connected with the corresponding supporting leg positioning holes 22.1 through extension pipe positioning pins 26 and extension pipe fixing pins 27, and the bottom of one end of each extension pipe 25 which extends outwards is provided with a caster 1.
The hinged support 19 is located on the central axis of the structural steel tube 2.1 and the upper support plate 2.3.
Referring to fig. 1 to 5, the upright positioning pin 13 is provided with an upright locking bolt 28, the boom hinging bolt 15 is provided with a boom hinging locking bolt 29, the boom positioning bolt 16 is provided with a boom positioning locking bolt 30, the extension arm positioning bolt 18 is provided with an extension arm positioning locking bolt 31, the support hinging bolt 20 is provided with a support hinging locking bolt 32, the support fixing bolt 21 is provided with a support fixing locking bolt 33, the lower supporting leg hinging bolt 23 is provided with a lower supporting leg hinging locking bolt 34, the lower supporting leg positioning bolt 24 is provided with a lower supporting leg positioning locking bolt 35, the extension pipe positioning bolt 26 is provided with an extension pipe positioning locking bolt 36, and the extension pipe fixing pin 27 is provided with an extension pipe positioning locking bolt 37. The cooperation of these structures is in order to dismantle adjustable removal hoisting accessory into the part completely after using, conveniently deposits in the storehouse.
The arrangement radian of the plurality of upper supporting and positioning holes 2.3.2 arranged in an arc shape is 60 degrees.
The stretching arm 17 is connected with the lifting fixed pulley mechanism 7 through a lifting fixed pulley locating pin 38, a lifting fixed pulley anti-loosening bolt 39 is arranged on the lifting fixed pulley locating pin 38, the top of the supporting piece 4 is connected with the transition fixed pulley mechanism 5 through a transition fixed pulley locating pin 40, and a transition fixed pulley anti-loosening bolt 41 is arranged on the transition fixed pulley locating pin 40.
The castor 1 is a universal castor.
Referring to fig. 6, the pulley in the fixed pulley lifting mechanism 7 is internally provided with a bearing, so that the resistance during rotation can be reduced. The transition fixed pulley mechanism 5 is positioned and installed on the lifting upright post 12 through a transition fixed pulley positioning pin 40 which can be quickly detached, and a small hole is formed in the transition fixed pulley positioning pin 40 and is used for installing a transition fixed pulley anti-loosening bolt 41 so as to prevent the transition fixed pulley positioning pin 40 from falling off without any accident. The pulley in the transition fixed pulley mechanism 5 is internally provided with a bearing, so that the resistance during rotation can be reduced.
The lifting arm 6 with telescopic length and adjustable opening and closing angle is arranged on the lifting upright post 12 with telescopic length for adjusting the height, the telescopic length of the lifting arm 6 is positioned by two quick detachable stretching arm positioning pins 18, and each stretching arm positioning pin 18 is provided with a small hole for installing a stretching arm positioning anti-loosening bolt 31 to prevent the stretching arm positioning pin 18 from falling off without any accident. The angle is adjusted by the boom hinge pin 15 and the boom positioning pin 16 which can be disassembled quickly, and the boom hinge pin 15 and the boom positioning pin 16 are respectively provided with a small hole for installing the boom hinge anti-loosening pin 29 and the boom positioning anti-loosening pin 30 respectively, so as to prevent the boom hinge pin 15 and the boom positioning pin 16 from falling off without any accident.
The lifting upright post 12 is arranged on the fixed upright post 3, according to the required height, the height is adjusted by two upright post positioning pins 13 which can be quickly detached, and each upright post positioning pin 13 is provided with a small hole for installing an upright post anti-loosening bolt 28, so that the upright post positioning pins 13 are prevented from falling off without any accident.
The fixed upright post 3 is arranged on the chassis 2, the fixed upright post 3 can be folded by 90 degrees, the support hinged bolt 20 and the support fixed bolt 21 which can be quickly detached are used for positioning, and the support hinged bolt 20 and the support fixed bolt 21 are respectively provided with a small hole for respectively installing the support hinged anti-loosening bolt 32 and the support fixed anti-loosening bolt 33, so that the support hinged bolt 20 and the support fixed bolt 21 are prevented from falling off without any accident.
The lower supporting leg 22 is installed on the chassis 2, the lower supporting leg 22 can rotate within 60 degrees on the chassis 2, the lower supporting leg hinge pin 23 and the lower supporting leg positioning pin 24 which can be quickly detached are used for positioning, and the lower supporting leg hinge pin 23 and the lower supporting leg positioning pin 24 are respectively provided with a small hole for installing the lower supporting leg hinge anti-loose pin 34 and the lower supporting leg positioning anti-loose pin 35 respectively, so that the lower supporting leg hinge pin 23 and the lower supporting leg positioning pin 24 are prevented from falling off without any accident.
The fixed upright post 3 is provided with a winch mechanism 9, the winch mechanism 9 is provided with a steel wire rope 10, a crank 8 and a lifting hook 11, and the crank 8 is positively and negatively rotated by manpower to realize the up-and-down lifting of heavy equipment 42 (such as an air conditioner cabinet, an electric cabinet and the like).
Referring to fig. 7, when the folding is required, the support fixing anti-loosening bolt 33 is pulled out, the support fixing bolt 21 is pulled out, the fixing upright 3 is horizontally placed around the support hinging bolt 20 by rotating 90 degrees, then the lower support leg positioning anti-loosening bolt 35 is pulled out, then the lower support leg positioning bolt 24 is pulled out, and the two lower support legs 22 are rotated around the lower support leg hinging bolt 23 and are gathered together, so that the folding purpose is realized, and the folding is convenient to transport.
The extension tube 25 is mounted on the lower support leg 22, and according to the width of the field, the extension of the length is positioned by the extension tube positioning pin 26 and the extension tube fixing pin 27 which can be rapidly detached, and the extension tube positioning pin 26 and the extension tube fixing pin 27 are respectively provided with a small hole for mounting the extension tube positioning anti-loosening bolt 36 and the extension tube positioning anti-loosening bolt 37, so that the extension tube positioning pin 26 and the extension tube fixing pin 27 are prevented from falling off without any accident.
On the chassis 2 and the extension tube 25, casters 1 are mounted for assisting the adjustable mobile lifting device to move around.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (9)
1. An adjustable mobile lifting device, which is characterized in that: including chassis (2) that the bottom is equipped with truckle (1), chassis (2) top is equipped with fixed stand (3), fixed stand (3) top is equipped with support piece (4), support piece (4) top is equipped with transition fixed pulley mechanism (5), fixed stand (3) lateral wall top is equipped with plays davit (6), the one end that lifts by crane arm (6) stretches out outwards is equipped with lifts by crane fixed pulley mechanism (7), be equipped with winch mechanism (9) that have set up crank (8) with the lateral wall of support piece (4) homonymy on fixed stand (3), wire rope (10) that set up on winch mechanism (9) are walked around transition fixed pulley mechanism (5) in proper order and are lifted by crane pulley mechanism (7) pulley and hook (11) link to each other. Lifting columns (12) are coaxially arranged in the fixed columns (3), corresponding column positioning holes (12.1) are uniformly distributed on two sides of the tube wall of the lifting columns (12) from top to bottom, column fixing holes (3.1) corresponding to the column positioning holes (12.1) are formed in the top of the tube wall of the fixed columns (3), the column fixing holes (3.1) are connected with the column positioning holes (12.1) through column positioning pins (13), and the supporting piece (4) is connected with the top of the lifting columns (12); the lifting device is characterized in that a boom support (14) is arranged on the side wall of the top of the lifting upright (12), boom hinge holes (14.1) are symmetrically formed in two sides of one side, close to the lifting upright (12), of the boom support (14), a plurality of boom positioning holes (14.2) are symmetrically distributed in two sides of the other side, away from the lifting upright (12), of the boom support (14), the boom positioning holes (14.2) on the same side are distributed in an arc mode by taking the boom hinge holes (14.1) as circle centers, holes corresponding to the boom hinge holes (14.1) and the boom positioning holes (14.2) are formed in the other end of the lifting arm (6), the lifting arm (6) is connected with the boom hinge holes (14.1) through boom hinge pins (15), and the lifting arm (6) is connected with one boom positioning hole (14.2) through a boom positioning pin (16). The lifting arm (6) is internally and coaxially provided with an extension arm (17), two sides of the pipe wall of the extension arm (17) are uniformly provided with corresponding extension positioning holes (17.1), one pipe wall of one end of the lifting arm (6) extending outwards is provided with an extension arm fixing hole (6.1) corresponding to the extension positioning hole (17.1), the extension arm fixing hole (6.1) is connected with the extension positioning hole (17.1) through an extension arm positioning pin (18), and one end of the extension arm (17) extending outwards is connected with the lifting fixed pulley mechanism (7).
2. The adjustable mobile lifting device of claim 1, wherein: the chassis (2) top is equipped with hinge support (19), hinge support (19) bottom bilateral symmetry is equipped with support hinge hole (19.1), hinge support (19) top bilateral symmetry is equipped with support locating hole (19.2) directly over support hinge hole (19.1), hinge support (19) bottom another side bilateral symmetry is equipped with support horizontal hole (19.3) that are located same horizontal plane with support hinge hole (19.1), support locating hole (19.2) are equal to support horizontal hole (19.3) to support hinge hole (19.1) distance, fixed stand (3) bottom be equipped with respectively with support hinge hole (19.1) and support locating hole (19.2) corresponding hole, fixed stand (3) link to each other with support hinge hole (19.1) through support hinge bolt (20), when fixed stand (3) are vertical to be put, fixed stand (3) link to each other with support locating hole (19.2) through support fixed (21), fixed stand (3) are fixed when fixed stand (3) are placed through fixed stand (21) fixed bolt, fixed stand (3) are continuous with fixed stand (3) horizontal bolt.
3. The adjustable mobile lifting device of claim 2, wherein: the chassis (2) is formed by fixedly connecting a structural steel pipe (2.1), a connecting plate (2.2) connected with one side of the structural steel pipe (2.1), an upper supporting plate (2.3) and a lower supporting plate (2.4) which are respectively connected with the connecting plate (2.2) up and down, two ends of the bottom of the hinged support (19) are respectively fixedly connected with the top surfaces of the structural steel pipe (2.1) and the upper supporting plate (2.3), two ends of one side of the upper supporting plate (2.3) close to the structural steel pipe (2.1) are symmetrically provided with upper supporting hinge holes (2.3.1), two ends of the other side of the upper supporting plate (2.3) are symmetrically distributed with a plurality of upper supporting positioning holes (2.3.2), the uniformly distributed upper supporting positioning holes (2.3.2) are arranged with more than the upper supporting hinge holes (2.3.1) serving as circle centers and are arranged in an arc shape, the lower supporting hinge holes corresponding to the upper supporting hinge holes (2.3.1) are respectively arranged at two ends of the bottom of the hinged support (19), two ends of the lower supporting plate (2.4) are respectively provided with lower supporting hinge holes corresponding to the upper supporting hinge holes (2.3.2.3.1), two ends of one end of each upper supporting leg (2.3.2) close to one end of the upper supporting leg (2.2.3) are respectively connected with one end of the lower supporting leg (2.2.2.2.2) through two corresponding upper supporting hinge holes, two ends of the upper supporting legs (2.2.2.2.2, one end of each lower supporting leg (22) inserted into the cavity is respectively connected with an upper supporting and positioning hole (2.3.2) and a corresponding lower supporting and positioning hole through a lower supporting leg positioning bolt (24), two ends of the joint of the structural steel pipe (2.1) and the lower supporting plate (2.4) are respectively provided with a truckle (1), and the other end of each lower supporting leg (22) is provided with a truckle (1).
4. An adjustable mobile lifting device according to claim 3, characterized in that: each lower supporting leg (22) pipe wall top surface and bottom surface are equipped with along axial equipartition, and supporting leg locating hole (22.1) that corresponds, the one end coaxial extension pipe (25) that each lower supporting leg (22) outwards extends, extension pipe (25) pipe wall top surface and bottom surface are equipped with extension pipe fixed orifices (25.1) that correspond with supporting leg locating hole (22.1), extension pipe (25) link to each other with corresponding supporting leg locating hole (22.1) through extension pipe locating pin (26) and extension pipe fixed pin (27), the one end bottom that each extension pipe (25) outwards extends is equipped with truckle (1).
5. The adjustable mobile lifting device of claim 4, wherein: the hinged support (19) is positioned on the central axis of the structural steel pipe (2.1) and the upper supporting plate (2.3).
6. The adjustable mobile lifting device of claim 5, wherein: be equipped with stand anti-loosening bolt (28) on stand locating pin (13), be equipped with davit articulated anti-loosening bolt (29) on davit articulated bolt (15), be equipped with davit location anti-loosening bolt (30) on davit locating pin (16), be equipped with on the extension arm locating pin (18) extension arm location anti-loosening bolt (31), be equipped with on the support articulated bolt (20) support articulated anti-loosening bolt (32), be equipped with support fixed anti-loosening bolt (33) on the support fixed bolt (21), be equipped with lower supporting leg articulated anti-loosening bolt (34) on lower supporting leg articulated bolt (23), be equipped with lower supporting leg location anti-loosening bolt (35) on lower supporting leg locating bolt (24), be equipped with extension tube location anti-loosening bolt (36) on extension tube locating pin (26), be equipped with extension tube location anti-loosening bolt (37) on extension tube fixed pin (27).
7. The adjustable mobile lifting device of claim 6, wherein: the arrangement radian of the plurality of upper supporting and positioning holes (2.3.2) arranged in an arc shape is 60 degrees.
8. The adjustable mobile lifting device of claim 7, wherein: the extension arm (17) is connected with the lifting fixed pulley mechanism (7) through a lifting fixed pulley locating pin (38), a lifting fixed pulley anti-loosening bolt (39) is arranged on the lifting fixed pulley locating pin (38), the top of the supporting piece (4) is connected with the transition fixed pulley mechanism (5) through a transition fixed pulley locating pin (40), and a transition fixed pulley anti-loosening bolt (41) is arranged on the transition fixed pulley locating pin (40).
9. The adjustable mobile lifting device of claim 8, wherein: the castor (1) is a universal castor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910933333.2A CN110615372B (en) | 2019-09-29 | 2019-09-29 | Adjustable movable lifting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910933333.2A CN110615372B (en) | 2019-09-29 | 2019-09-29 | Adjustable movable lifting device |
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| CN110615372A CN110615372A (en) | 2019-12-27 |
| CN110615372B true CN110615372B (en) | 2024-05-14 |
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| CN201910933333.2A Active CN110615372B (en) | 2019-09-29 | 2019-09-29 | Adjustable movable lifting device |
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| CN112279113A (en) * | 2020-11-23 | 2021-01-29 | 刘旭 | Self-supporting crane for maintaining tail speed reducer and tail rotor blade of helicopter |
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| CN110615372A (en) | 2019-12-27 |
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