CN110615372A - Adjustable mobile hoisting device - Google Patents
Adjustable mobile hoisting device Download PDFInfo
- Publication number
- CN110615372A CN110615372A CN201910933333.2A CN201910933333A CN110615372A CN 110615372 A CN110615372 A CN 110615372A CN 201910933333 A CN201910933333 A CN 201910933333A CN 110615372 A CN110615372 A CN 110615372A
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- support
- positioning
- holes
- lifting
- bolt
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- 239000000725 suspension Substances 0.000 claims description 33
- 230000007704 transition Effects 0.000 claims description 22
- 229910000746 Structural steel Inorganic materials 0.000 claims description 18
- 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
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 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, wherein casters are arranged at the bottom of the chassis, a fixed upright is arranged at the top of the chassis, a supporting piece is arranged at the top of the fixed upright, a transitional 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, a lifting fixed pulley mechanism is arranged at the end, extending outwards, of the lifting arm, a winch mechanism provided with a crank is arranged on the side wall, on the same side as the supporting piece, of the fixed upright, and a steel wire rope arranged on the winch mechanism sequentially bypasses pulleys in the transitional fixed pulley mechanism and the lifting fixed pulley mechanism and is connected. The invention has the characteristics of convenient transportation, easy hoisting, labor saving, labor intensity reduction, no need of 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 the object needs to be moved and lifted, an electric hoist or a crane is usually adopted for operation, but in actual work, the electric hoist or the crane is limited by space of an operation site and layout of equipment, the space environment of the actual operation site is narrow, the electric hoist or the crane cannot play a role at all, the object is moved and lifted only by manual operation, and great inconvenience is brought to workers.
Although some people have improved the manual disassembling method many times, the manual disassembling method needs to be carried out by holding down or lifting up, and for objects with heavy weight (more than 500kg according to field estimation), such as a frequency converter cabinet body, an LCL reactor unit and the like, the disassembling and assembling are influenced by the difficulty of no place or no force due to the field space limitation.
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 reduces the labor intensity without consuming power and energy.
The invention provides an adjustable movable lifting device, which comprises a chassis, wherein casters are arranged at the bottom of the chassis, a fixed upright is arranged at the top of the chassis, a supporting piece is arranged at the top of the fixed upright, a transitional 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, a lifting fixed pulley mechanism is arranged at the end, extending outwards, of the lifting arm, a winch mechanism provided with a crank is arranged on the side wall, on the same side as the supporting piece, of the fixed upright, and a steel wire rope arranged on the winch mechanism sequentially bypasses pulleys in the transitional fixed pulley mechanism and the lifting fixed pulley mechanism and is connected.
In the technical scheme, a lifting upright is coaxially arranged in the fixed upright, corresponding upright positioning holes are uniformly distributed on two sides of the tube wall of the lifting upright from top to bottom, upright fixing holes corresponding to the upright positioning holes are formed in the top of the tube wall of the fixed upright, the upright fixing holes are connected with the upright positioning holes through upright positioning pins, and the supporting piece is connected with the top of the lifting upright; the lifting column is characterized in that a suspension arm support is arranged on the side wall of the top of the lifting column, suspension arm hinge holes are symmetrically formed in two sides of one side, close to the lifting column, of the suspension arm support, a plurality of suspension arm positioning holes are symmetrically and evenly distributed in two sides of the other side, away from the lifting column, of the suspension arm support, the plurality of suspension arm positioning holes in the same side are arranged in an arc shape by taking the suspension arm hinge holes as the circle center, holes corresponding to the suspension arm hinge holes and the suspension arm positioning holes are formed in the other end of the lifting arm respectively, the lifting arm is connected with the suspension arm hinge holes through suspension arm; the lifting arm is characterized in that a stretching arm is coaxially arranged in the lifting arm, corresponding stretching positioning holes are uniformly distributed on two sides of the tube wall of the stretching arm, a stretching arm fixing hole corresponding to the stretching positioning hole is formed in the tube wall of the end, extending outwards, of the lifting arm, the stretching arm fixing hole is connected with the stretching positioning hole through a stretching arm positioning pin, and the end, extending outwards, of the stretching arm is connected with a lifting fixed pulley mechanism.
In the technical scheme, the top of the chassis is provided with a hinged support, two sides of one side of the bottom of the hinged support are symmetrically provided with support hinged holes, the two sides of the top of the hinged support are symmetrically provided with support positioning holes which are positioned right above the support hinged holes, two sides of the other side of the bottom of the hinged support are symmetrically provided with support horizontal holes which are positioned on the same horizontal plane with the support hinged holes, the distance from the support positioning hole to the support hinge hole is equal to the distance from the support horizontal hole to the support hinge hole, the bottom of the fixed upright post is respectively provided with a hole corresponding to the support seat hinge hole and the support seat positioning hole, the fixed upright post is connected with the support seat hinge hole through a support seat hinge bolt, when the fixed upright post is vertically placed, the fixed upright post is fixedly connected with the support positioning hole through the support fixing bolt, when the fixed upright post is horizontally placed, the fixed upright post is fixedly connected with the horizontal hole of the support through the support fixing bolt.
In the above technical solution, the chassis is composed of a structural steel pipe, a connecting plate connected to one side of the structural steel pipe, and an upper supporting plate and a lower supporting plate respectively connected to the connecting plate, two ends of the bottom of the hinge support are respectively fixedly connected to the structural steel pipe and the top surface of the upper supporting plate, two ends of one side of the upper supporting plate close to the structural steel pipe are symmetrically provided with upper supporting hinge holes, two ends of the other side of the upper supporting plate are symmetrically and uniformly distributed with a plurality of upper supporting positioning holes, the plurality of upper supporting positioning holes are arranged in an arc shape with the upper supporting hinge holes as the center of a circle, the lower supporting plate is provided with lower supporting hinge holes corresponding to the upper supporting hinge holes, the lower supporting plate is provided with lower supporting positioning holes corresponding to the upper supporting positioning holes, two ends of a cavity between the upper supporting plate and the lower supporting plate are respectively symmetrically provided with lower supporting holes, one end of, one end of each lower supporting leg inserted into the cavity is respectively connected with the upper supporting hinge hole and the lower supporting hinge hole through a lower supporting leg hinge plug pin, one end of each lower supporting leg inserted into the cavity is respectively connected with one upper supporting positioning hole and the corresponding lower supporting positioning hole through a lower supporting leg positioning plug pin, two ends of the joint of the structural steel pipe and the lower supporting plate are respectively provided with a trundle, and the other end of each lower supporting leg is provided with a trundle.
In the above technical scheme, every lower support leg pipe wall top surface and bottom surface are equipped with along axial equipartition and the supporting leg locating hole that corresponds, the coaxial extension pipe that is equipped with of the outside one end that extends of every lower support leg, 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, the outside one end bottom that extends of every extension pipe 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 technical scheme, be equipped with the stand locking bolt of taking off on the stand locating pin, be equipped with the articulated locking bolt of taking off of davit on the davit articulated bolt, be equipped with the locking bolt of taking off in davit location on the davit location bolt, be equipped with the locking bolt of taking off in extension arm location on the extension arm locating pin, be equipped with the articulated locking bolt of taking off of support on the support articulated bolt, be equipped with the fixed locking bolt of taking off of support on the support fixed bolt, be equipped with the lower supporting leg articulated locking bolt of taking off of lower supporting leg on the lower supporting leg articulated bolt, be equipped with the locking bolt of taking off in extension pipe location on the extension pipe locating pin, be equipped with the locking bolt of taking off in extension pipe location.
In the above technical solution, the arrangement radian of the plurality of upper supporting positioning holes arranged in an arc is 60 °.
In the technical scheme, the extension arm is connected with the hoisting fixed pulley mechanism through the hoisting fixed pulley positioning pin, the hoisting fixed pulley positioning pin is provided with the hoisting fixed pulley anti-loosening bolt, the top of the support piece is connected with the transition fixed pulley mechanism through the transition fixed pulley positioning pin, and the transition fixed pulley positioning pin is provided with the transition fixed pulley anti-loosening bolt.
In the above technical scheme, the caster is a universal caster.
The adjustable mobile hoisting device has the following beneficial effects: after the square steels with different specifications are simply processed, the square steels are fixed together by utilizing various positioning pins, hinged bolts, fixing bolts and anti-loosening bolts to form a movable hoisting carrier. And a pulley mechanism is matched, a steel wire rope of the winch penetrates through a pulley in the pulley mechanism, and the purpose of lifting the heavy object can be realized by manually cranking the crank. 4 sets of universal casters are also arranged on the chassis of the lifting device, so that the lifting device can be quickly moved to another place after a heavy object is lifted from one place in a narrow space, the construction manpower is saved, and the labor intensity is reduced. And the oil, electricity and gas are not consumed as power, so that the energy consumption is saved. The hoisting mode is flexible, and the hoisting speed is stable, fast and efficient. The invention has simple structure, simple operation, no limit of space and field, low manufacturing cost, can be used in various load hoisting operation fields, can play the role of ensuring safety, saving time and labor and has great popularization and use value.
Drawings
FIG. 1 is a schematic structural view of an adjustable mobile lifting device according to the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is an enlarged schematic view at B of FIG. 1;
FIG. 4 is an enlarged schematic view at C of FIG. 1;
FIG. 5 is an enlarged schematic view at D of FIG. 1;
FIG. 6 is a schematic structural diagram of the adjustable mobile crane of the present invention during hoisting;
FIG. 7 is a schematic structural view of the adjustable mobile crane according to the present invention during storage.
Detailed Description
The invention is described in further detail below with reference to the following figures and examples, which should not be construed as limiting the invention.
Referring to fig. 1, the adjustable mobile 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 support 4 is arranged at the top of the fixed upright 3, a transition fixed pulley mechanism 5 is arranged at the top of the support 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 the 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 at the same side as the support 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 tube wall of the lifting upright post 12 from top to bottom, an upright post fixing hole 3.1 corresponding to the upright post positioning hole 12.1 is arranged at the top of the tube wall of the fixed upright post 3, the upright post fixing hole 3.1 is connected with the upright post positioning hole 12.1 through an upright post positioning pin 13, and the number of the upright post positioning pins 13 is two; referring to fig. 3, the support 4 is connected to the top of a lifting column 12, a boom support 14 is arranged on the side wall of the top of the lifting column 12, boom hinge holes 14.1 are symmetrically arranged on two sides of one side of the boom support 14 close to the lifting column 12, a plurality of boom positioning holes 14.2 are symmetrically and uniformly distributed on two sides of the other side of the boom support 14 away from the lifting column 12, the boom positioning holes 14.2 on the same side are arranged in an arc shape with the boom hinge holes 14.1 as the center of a circle, the other end of the lifting arm 6 is respectively provided with a hole corresponding to the boom hinge hole 14.1 and the boom positioning hole 14.2, the lifting arm 6 is connected to the boom hinge hole 14.1 through a boom hinge pin 15, and the lifting arm 6 is connected to one boom positioning hole 14.2 through; referring to fig. 4, the lifting arm 6 is internally and coaxially provided with two extending arms 17, two corresponding extending positioning holes 17.1 are uniformly distributed on two sides of the tube wall of each extending arm 17, the tube wall of the end, extending outwards, of the lifting arm 6 is provided with an extending arm fixing hole 6.1 corresponding to the extending positioning hole 17.1, the extending arm fixing hole 6.1 is connected with the extending positioning hole 17.1 through an extending arm positioning pin 18, the number of the extending arm positioning pins 18 is two, and the end, extending outwards, of each extending arm 17 is connected with the lifting fixed pulley mechanism 7.
Referring to fig. 5, a hinged support 19 is arranged at the top of the chassis 2, support hinge holes 19.1 are symmetrically arranged on one side of the bottom of the hinged support 19, support positioning holes 19.2 which are positioned right above the support hinge holes 19.1 are symmetrically arranged on two sides of the top of the hinged support 19, support horizontal holes 19.3 which are positioned on the same horizontal plane with the support hinge holes 19.1 are symmetrically arranged on the other side of the bottom of the hinged support 19, 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, holes corresponding to the support hinge holes 19.1 and the support positioning holes 19.2 are respectively arranged at the bottom of the fixed upright 3, the fixed upright 3 is connected with the support hinge holes 19.1 through a support hinge bolt 20, when the fixed upright 3 is vertically placed, the fixed upright 3 is fixedly connected with the support positioning holes 19.2 through a support fixing bolt 21, when the fixed upright 3 is, the fixed upright post 3 is fixedly connected with a support horizontal hole 19.3 through a support fixing bolt 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, and an upper supporting plate 2.3 and a lower supporting plate 2.4 respectively connected with the upper and lower sides of the connecting plate 2.2, 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 and uniformly provided with a plurality of upper supporting positioning holes 2.3.2, the uniformly distributed upper supporting hinge holes 2.3.2 are arranged in a circular arc shape by taking the upper supporting hinge holes 2.3.1 as the circle center, the lower supporting plate 2.4 is provided with lower supporting hinge holes corresponding to the upper supporting hinge holes 2.3.1, the lower supporting plate 2.4 is provided with lower supporting holes corresponding to the upper supporting holes 2.3.2, two ends of the cavity between the upper, one end of each lower supporting leg 22 inserted into the cavity is provided with a hole corresponding to the upper supporting hinge hole 2.3.1 and the upper supporting positioning hole 2.3.2, one end of each lower supporting leg 22 inserted into the cavity is respectively connected with the upper supporting hinge hole 2.3.1 and the lower supporting hinge hole through a lower supporting leg hinge bolt 23, one end of each lower supporting leg 22 inserted into the cavity is respectively connected with one upper supporting positioning hole 2.3.2 and the corresponding lower supporting 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 trundle 1, and the other end of each lower supporting leg 22 is provided with a trundle 1.
Every lower support leg 22 pipe wall top surface and bottom surface are equipped with along axial equipartition and the supporting leg locating hole 22.1 that corresponds, the coaxial extension pipe 25 that is equipped with of one end that every lower support leg 22 outwards extended, extension pipe 25 pipe wall top surface and bottom surface are equipped with the extension pipe fixed orifices 25.1 that corresponds with supporting leg locating hole 22.1, extension pipe 25 links to each other with the supporting leg locating hole 22.1 that corresponds through extension pipe locating pin 26 and extension pipe fixed pin 27, the one end bottom that every extension pipe 25 outwards extended is equipped with truckle 1.
The articulated support 19 is located on the central axis of the structural steel tube 2.1 and the upper bearing plate 2.3.
Referring to fig. 1 to 5, a column locking bolt 28 is disposed on the column positioning pin 13, a suspension arm hinge locking bolt 29 is disposed on the suspension arm hinge bolt 15, a suspension arm positioning locking bolt 30 is disposed on the suspension arm positioning bolt 16, a suspension arm positioning locking bolt 31 is disposed on the suspension arm positioning pin 18, a support seat hinge locking bolt 32 is disposed on the support seat hinge bolt 20, a support seat fixing locking bolt 33 is disposed on the support seat fixing bolt 21, a lower support leg hinge locking bolt 34 is disposed on the lower support leg hinge bolt 23, a lower support leg positioning locking bolt 35 is disposed on the lower support leg positioning bolt 24, a lengthened pipe positioning locking bolt 36 is disposed on the lengthened pipe positioning pin 26, and a lengthened pipe positioning locking bolt 37 is disposed on the lengthened pipe fixing pin 27. The matching of the structures is to completely disassemble the adjustable mobile lifting device into parts after use, and the parts are convenient to store in a storehouse.
The arrangement radian of the upper support positioning holes 2.3.2 arranged in an arc is 60 degrees.
The extension arm 17 is connected with the lifting fixed pulley mechanism 7 through a lifting fixed pulley positioning pin 38, a lifting fixed pulley anti-loosening bolt 39 is arranged on the lifting fixed pulley positioning pin 38, the top of the support member 4 is connected with the transition fixed pulley mechanism 5 through a transition fixed pulley positioning pin 40, and a transition fixed pulley anti-loosening bolt 41 is arranged on the transition fixed pulley positioning pin 40.
The caster 1 is a universal caster.
Referring to fig. 6, a bearing is arranged inside a pulley in the lifting fixed pulley mechanism 7, so that resistance in 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 disassembled, and the transition fixed pulley positioning pin 40 is provided with a small hole for installing a transition fixed pulley anti-loosening bolt 41 to prevent the transition fixed pulley positioning pin 40 from falling off without reason. And a bearing is arranged in a pulley in the transition fixed pulley mechanism 5, so that the resistance in rotation can be reduced.
The telescopic lifting arm 6 with the telescopic length and the adjustable opening and closing angle is arranged on a lifting upright post 12 with the telescopic length for adjusting the height, the telescopic length of the lifting arm 6 is positioned by two quickly-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 reason. The angle is adjusted by a quickly detachable boom hinge pin 15 and a boom positioning pin 16, and the boom hinge pin 15 and the boom positioning pin 16 are respectively provided with a small hole for installing a boom hinge anti-loosening pin 29 and a 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 cause.
The lifting upright post 12 is arranged on the fixed upright post 3, the height of the lifting upright post is adjusted by two upright post positioning pins 13 which can be quickly disassembled according to the required height, and each upright post positioning pin 13 is provided with a small hole for installing an upright post anti-loosening bolt 28 so as to prevent the upright post positioning pin 13 from falling off without any reason.
The fixed upright post 3 is arranged on the chassis 2, the fixed upright post 3 can be folded by 90 degrees and is positioned by a support articulated bolt 20 and a support fixed bolt 21 which can be disassembled quickly, and the support articulated bolt 20 and the support fixed bolt 21 are respectively provided with a small hole which is respectively used for installing a support articulated anti-loosening bolt 32 and a support fixed anti-loosening bolt 33 so as to prevent the support articulated bolt 20 and the support fixed bolt 21 from falling off without reason.
The lower supporting leg 22 is installed on the chassis 2, the lower supporting leg 22 can rotate on the chassis 2 within the range of 60 degrees, the lower supporting leg hinge plug pin 23 and the lower supporting leg positioning plug pin 24 which can be disassembled fast are used for positioning, and the lower supporting leg hinge plug pin 23 and the lower supporting leg positioning plug pin 24 are respectively provided with a small hole which is respectively used for installing the lower supporting leg hinge anti-loosening plug pin 34 and the lower supporting leg positioning anti-loosening plug pin 35 so as to prevent the lower supporting leg hinge plug pin 23 and the lower supporting leg positioning plug pin 24 from falling off without reason.
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 rotated forwards and backwards through manpower to realize the vertical 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 according to the width of the field, the support fixing anti-loosening latch 33 is pulled out, the support fixing latch 21 is pulled out, the fixing upright 3 is horizontally placed by rotating 90 degrees around the support hinge latch 20, then the lower support leg positioning anti-loosening latch 35 is pulled out, then the lower support leg positioning latch 24 is pulled out, and the two lower support legs 22 rotate around the lower support leg hinge latch 23 and are closed together, so that the folding purpose is realized, and the transportation is convenient.
The extension pipe 25 is installed on the lower supporting leg 22, and the extension of the length is positioned by the extension pipe positioning pin 26 and the extension pipe fixing pin 27 which can be quickly disassembled according to the width of the field, and the extension pipe positioning pin 26 and the extension pipe fixing pin 27 are respectively provided with a small hole for installing the extension pipe positioning anti-loosening bolt 36 and the extension pipe positioning anti-loosening bolt 37, so that the extension pipe positioning pin 26 and the extension pipe fixing pin 27 are prevented from being lost without reason.
On the chassis 2 and the extension pipe 25, universal casters 1 are mounted to assist the adjustable mobile lifting device to move around.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. The utility model provides a remove hoisting accessory with adjustable which characterized in that: be equipped with chassis (2) of truckle (1) including the bottom, chassis (2) top is equipped with stationary mast (3), stationary mast (3) top is equipped with support piece (4), support piece (4) top is equipped with transition fixed pulley mechanism (5), stationary mast (3) lateral wall top is equipped with davit (6), the one end that davit (6) stretched 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 stationary mast (3), wire rope (10) that set up on winch mechanism (9) walk around transition fixed pulley mechanism (5) in proper order and lift by crane the pulley in the fixed pulley mechanism (7) and link to each other with lifting hook (11).
2. The adjustable mobile lifting device of claim 1, wherein: a lifting upright column (12) is coaxially arranged in the fixed upright column (3), corresponding upright column positioning holes (12.1) are uniformly distributed on two sides of the tube wall of the lifting upright column (12) from top to bottom, an upright column fixing hole (3.1) corresponding to the upright column positioning hole (12.1) is arranged at the top of the tube wall of the fixed upright column (3), the upright column fixing hole (3.1) is connected with the upright column positioning hole (12.1) through an upright column positioning pin (13), and the supporting piece (4) is connected with the top of the lifting upright column (12); the lifting column is characterized in that a suspension arm support (14) is arranged on the side wall of the top of the lifting column (12), suspension arm hinge holes (14.1) are symmetrically formed in two sides of one side, close to the lifting column (12), of the suspension arm support (14), a plurality of suspension arm positioning holes (14.2) are symmetrically and evenly distributed in two sides of the other side, away from the lifting column (12), of the suspension arm support (14), the suspension arm positioning holes (14.2) in the same side are arranged in an arc shape by taking the suspension arm hinge holes (14.1) as the circle center, holes corresponding to the suspension arm hinge holes (14.1) and the suspension arm positioning holes (14.2) are formed in the other end of the lifting arm (6), the lifting arm (6) is connected with the suspension arm hinge holes (14.1) through suspension arm hinge bolts (15), and the lifting arm (6) is connected with one suspension arm positioning; the lifting arm is characterized in that a stretching arm (17) is coaxially arranged in the lifting arm (6), corresponding stretching positioning holes (17.1) are uniformly distributed on two sides of the tube wall of the stretching arm (17), a stretching arm fixing hole (6.1) corresponding to the stretching positioning hole (17.1) is formed in the tube wall of one end, extending outwards, of the lifting arm (6), the stretching arm fixing hole (6.1) is connected with the stretching positioning hole (17.1) through a stretching arm positioning pin (18), and one end, extending outwards, of the stretching arm (17) is connected with a lifting fixed pulley mechanism (7).
3. The adjustable mobile lifting device of claim 2, wherein: the base plate (2) is provided with a hinged support (19) at the top, one side of the bottom of the hinged support (19) is symmetrically provided with support hinge holes (19.1), the two sides of the top of the hinged support (19) are symmetrically provided with support positioning holes (19.2) positioned right above the support hinge holes (19.1), the other side of the bottom of the hinged support (19) is symmetrically provided with support horizontal holes (19.3) positioned on the same horizontal plane with 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 post (3) is respectively provided with holes corresponding to the support hinge holes (19.1) and the support positioning holes (19.2), the fixed upright post (3) is connected with the support hinge holes (19.1) through a support hinge bolt (20), and when the fixed upright post (3) is vertically placed, the fixed upright post (3) is fixedly connected with the support positioning hole (19.2) through the support fixing bolt (21), and when the fixed upright post (3) is horizontally placed, the fixed upright post (3) is fixedly connected with the support horizontal hole (19.3) through the support fixing bolt (21).
4. The adjustable mobile lifting device of claim 3, wherein: the chassis (2) comprises a structural steel pipe (2.1), a connecting plate (2.2) connected with one side of the structural steel pipe (2.1), and 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, close to the structural steel pipe (2.1), of the upper supporting plate (2.3) are symmetrically provided with upper supporting hinged holes (2.3.1), two ends of the other side of the upper supporting plate (2.3) are symmetrically and uniformly provided with a plurality of upper supporting positioning holes (2.3.2), the upper supporting hinged holes (2.3.1) above the plurality of the uniformly distributed upper supporting positioning holes (2.3.2) are arranged in a circle and are in an arc shape, the lower supporting plate (2.4) is provided with lower supporting hinged holes corresponding to the upper supporting holes (2.3.1), and the lower supporting plate (2.4) is provided with supporting holes corresponding to the, the cavity between the upper supporting plate (2.3) and the lower supporting plate (2.4) is symmetrically provided with lower supporting legs (22) at two ends respectively, one end of each lower supporting leg (22) inserted into the cavity is provided with a hole corresponding to the upper supporting hinge hole (2.3.1) and the upper supporting positioning hole (2.3.2), one end of each lower supporting leg (22) inserted into the cavity is connected with the upper supporting hinge hole (2.3.1) and the lower supporting hinge hole respectively through a lower supporting leg hinge pin (23), one end of each lower supporting leg (22) inserted into the cavity is connected with one upper supporting positioning hole (2.3.2) and the corresponding lower supporting positioning hole respectively through a lower supporting leg positioning pin (24), two ends of the joint of the structural steel pipe (2.1) and the lower supporting plate (2.4) are provided with trundles (1) respectively, and the other end of each lower supporting leg (22) is provided with a trundle (1).
5. The adjustable mobile lifting device of claim 4, wherein: every lower leg (22) pipe wall top surface and bottom surface are equipped with along axial equipartition and supporting leg locating hole (22.1) that correspond, the one end of every lower leg (22) outside extension is coaxial to be equipped with extension pipe (25), 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 of every extension pipe (25) outside extension is equipped with truckle (1).
6. The adjustable mobile lifting device of claim 5, 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).
7. The adjustable mobile lifting unit of claim 6, wherein: the upright post positioning pin (13) is provided with an upright post anti-loosening bolt (28), the suspension arm hinge joint bolt (15) is provided with a suspension arm hinge joint anti-loosening bolt (29), a suspension arm positioning anti-loose bolt (30) is arranged on the suspension arm positioning bolt (16), the extending arm positioning pin (18) is provided with an extending arm positioning anti-loose bolt (31), a support hinged anti-loose bolt (32) is arranged on the support hinged bolt (20), a support fixing anti-loose bolt (33) is arranged on the support fixing bolt (21), a lower supporting leg hinged anti-loosening bolt (34) is arranged on the lower supporting leg hinged bolt (23), the lower supporting leg positioning bolt (24) is provided with a lower supporting leg positioning anti-loose bolt (35), the lengthened pipe positioning pin (26) is provided with a lengthened pipe positioning anti-loosening bolt (36), and an extension pipe positioning anti-loosening bolt (37) is arranged on the extension pipe fixing pin (27).
8. The adjustable mobile lifting device of claim 7, wherein: the arrangement radian of the upper support positioning holes (2.3.2) arranged in an arc is 60 degrees.
9. The adjustable mobile lifting unit of claim 8, wherein: the lifting fixed pulley mechanism is characterized in that the extending arm (17) is connected with the lifting fixed pulley mechanism (7) through a lifting fixed pulley positioning pin (38), a lifting fixed pulley anti-loosening bolt (39) is arranged on the lifting fixed pulley positioning pin (38), the top of the support piece (4) is connected with the transition fixed pulley mechanism (5) through a transition fixed pulley positioning pin (40), and a transition fixed pulley anti-loosening bolt (41) is arranged on the transition fixed pulley positioning pin (40).
10. The adjustable mobile lifting unit of claim 9, wherein: the caster wheel (1) is a universal caster wheel.
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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 |
|---|---|---|---|
| CN201910933333.2A CN110615372B (en) | 2019-09-29 | 2019-09-29 | Adjustable movable lifting device |
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| CN110615372A true CN110615372A (en) | 2019-12-27 |
| CN110615372B 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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| US4925039A (en) * | 1988-11-18 | 1990-05-15 | James Macris | Portable folding crane |
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| Publication number | Publication date |
|---|---|
| CN110615372B (en) | 2024-05-14 |
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