CN111439711A - Portable lift for interior decoration - Google Patents
Portable lift for interior decoration Download PDFInfo
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- CN111439711A CN111439711A CN202010409831.XA CN202010409831A CN111439711A CN 111439711 A CN111439711 A CN 111439711A CN 202010409831 A CN202010409831 A CN 202010409831A CN 111439711 A CN111439711 A CN 111439711A
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- truss
- scissors
- scissor
- portal
- roller
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- 238000005034 decoration Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract 2
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 5
- 230000001965 increasing effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000003028 elevating effect Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention provides a portable elevator for interior decoration, which comprises a bedplate, a scissor truss, a scissor supporting rod, a portal frame, a base with rollers, a lifting power device and an operating handle. The protective fence is installed on the bedplate, the lifting power device is powered by a motor, the transmission shaft rotates forwards and reversely, the gantry lower cross beam is lifted or descended through a pulley block by winding a steel wire rope, the scissor truss and the scissor supporting rod are driven to stretch by moving up and down through the gantry lower cross beam, the working platform is lifted and descended, the elevator is moved or braked by the roller base, and the operation handle controls the elevator to ascend, descend and stop. The invention designs a series of structures to ensure that the elevator has the characteristics of light weight, high efficiency and safety in operation, reduction of labor intensity of workers, folding and folding into a traveling box shape and convenience in decoration and carrying.
Description
Technical Field
The invention relates to a portable elevator for interior decoration, in particular to the field of interior building decoration, provides an electric lifting operation platform for people and goods carrying for the interior decoration, has light weight, can be folded and folded into a traveling case shape, and is convenient to carry.
Background
Present interior decoration operation panel is commonly used has ladder, stool, scaffold frame etc. ladder, stool etc. easily fall, easy fracture, and the security is not high, and work is inconvenient, and the scaffold frame is heavy, and business turn over room is inflexible, carry inconveniently, also has the platform that has raising and lowering functions on the market, nevertheless all is very heavy, and inconvenient the carrying can't use in the interior building decoration field, if: a lifting frame (CN 109019425A) for high-altitude operation in street lamp construction and the like.
Disclosure of Invention
The present invention is directed to a portable elevator for interior decoration to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a portable elevator for interior decoration comprises a bedplate, a scissor truss, scissor supporting rods, a portal frame, a base with rollers, a lifting power device and an operating handle. The table plate is provided with a protective fence, the lifting power device is powered by a motor, the lifting power device is driven by a speed reducer to rotate through a transmission shaft, a steel wire rope is wound in forward rotation, the steel wire rope is loosened in reverse rotation, the steel wire rope drives a lower cross beam of a gantry to move up and down in the gantry frame, the scissor trusses and the scissor supporting rods extend or fold under the driving of the lower cross beam of the gantry, so that the working table plate is lifted, a sliding seat is arranged on a roller base, one of each of two scissor trusses and one of two gantries are fixed on the sliding seat, when the working table plate is lifted, the sliding seat slides on a linear guide rail with the roller base, a manual brake mechanism is arranged on the two movable rollers, and the lifting. The invention has the characteristics of light dead weight, high-efficiency and safe operation, reduction of labor intensity of workers, folding and folding, and convenience in decoration and carrying by designing a series of structures.
Preferably, the bedplate is provided with a bottom plate, two sides of the bottom plate are provided with fence edge plates, one end of the bottom plate is provided with a fence end plate, the fence edge plate is connected with the bottom plate through a hinge, the fence edge plates can be turned upwards or downwards on the two sides of the bottom plate, a combined locking piece is movably connected with the fence edge plates and the fence end plate, when the fence edge plates are turned upwards or downwards, the fence end plate needs to be taken off firstly and put on after being turned, the edge folding edges of the fence edge plates and the bottom plate are 15mm, the interval between reinforcing lining grids is 150mm, the height is parallel and level with the edge folding edges, two ends of the bottom plate are opened to allow a portal frame to pass through, two joists are respectively provided with two sliding grooves below the bottom plate, the sliding ends of the scissor trusses and the scissor supporting rods are connected in a sliding manner, the fixed ends of the scissor trusses are fixedly connected, the adjusting screw is used for adjusting the half-side linear bearing to enable the half-side linear bearing to be tightly attached to the portal stand column, and when the bedplate falls down, a supporting point is added to the portal stand column to prevent the portal from swinging back and forth.
Preferably, the scissors truss and the scissors supporting rod are tightly attached to the inner sides of the scissors truss to be combined into a whole, the auxiliary scissors truss bears the weight together, the two sets of combination of the scissors truss and the scissors supporting rod are respectively arranged at two sides of the base with the roller, the upper part is connected with the base under the bedplate, the two ends of the scissors truss are divided into a sliding end, a fixed end and a fixed end according to the telescopic requirements of the scissors truss and the scissors supporting rod, the lowest section of the scissors truss is a first section, the upper part of the first section is connected with the lower part of the second section through a connecting point, the connecting point is rotationally connected with circular shafts at two ends of the lower cross beam of the door frame, the lower cross beam of the door frame moves up and down in the door frame to drive the scissors truss and the scissors supporting rod to be telescopic, the lifting and the lowering of the bedplate are realized, the lever length, the auxiliary scissors truss bears load, the bedplate is supported by six supporting points simultaneously in the design, the strength requirement of the bedplate is reduced compared with that the bedplate is supported by four supporting points only by adopting the scissors truss without the scissors supporting rods, the scissors truss and the scissors supporting rods are mutually supported, the strength requirement of the scissors truss is reduced, conditions are created for reducing the self weight of the elevator, and convenience is brought to carrying.
Preferably, the portal comprises a movable end portal and a fixed end portal, namely, the movable end portal is called as the movable end portal along with the sliding of a sliding seat on a base with a roller along with the sliding end of a scissor truss, each portal is a frame formed by combining a portal upper cross beam and two portal upright posts, both ends of a portal lower cross beam are provided with linear bearings which slide on the portal upright posts, the upper cross beam and the lower cross beam are U-shaped grooves, pulleys are respectively arranged in the U-shaped grooves, both ends of the lower cross beam are respectively provided with a shaft which extends out for connecting the scissor truss and driving or controlling the scissor truss and a scissor supporting rod to extend and retract, the fixed end portal is provided with a movable handle and a movable roller brake handle, a movable roller brake traction line passes through the inside of the portal upright posts and is movably connected with an upper brake lever of a universal roller for conveniently moving or braking the, the handle at one end of the lock pin is rotated to enable the semicircular lock pin to face downwards and be sleeved in the groove at the foot of the portal stand column, the portal frame and the base are locked, the handle at one end of the lock pin is rotated to enable the semicircular lock pin to face upwards, the portal frame and the base are loosened, conditions are created for the portal frame to be folded in the lift when the lift is folded, meanwhile, convenience is brought to carrying, shafts are arranged at two ends of a lower cross beam in the portal frame respectively and extend out to be connected with a scissor truss, the lower cross beam is driven by pulley block steel wire ropes respectively, the scissor truss and a scissor supporting rod are driven to stretch out and draw back, the lower cross beam also helps the first section of the scissor truss to bear most of load, the weight borne by the lower cross beam is transferred to an upper cross beam of the portal frame through the pulley block.
Preferably, the base with the roller is a frame formed by combining two linear guide rails and a roller shaft, the upper surface of the base with the roller is provided with a sliding seat, a movable locking piece connected with the base by a portal frame, a connecting piece connected with the sliding end of a scissor truss, a connecting piece connected with the fixed end of the scissor truss and a universal roller telescopic rod, two linear rollers, two universal rollers with braking mechanisms and the like, the universal roller telescopic rod rotates around a shaft, the distance between the rollers is increased when the universal roller telescopic rod is opened outwards, the stability of the elevator is enhanced, the roller can be retracted inwards to the position, conditions are created for convenient carrying, the sliding seat is self-adaptive to the requirements of extension of the scissor truss and the scissor supporting rod, the sliding seat slides rightwards when the sliding seat is opened, the sliding seat slides leftwards when the sliding seat is compressed, the braking handle of the universal roller braking mechanism is arranged on the portal, the steel wire of the drag line is pulled to lift upwards, the steel wire rotates to the other side from one side of the upper axle center of the brake handle, the brake handle is locked to be fixed, the drag line steel wire is pulled out through the door frame upright post, the roller brake rod is pulled to rotate, the tappet rod is pressed downwards, the elastic sheet on the roller is pressed to compress the upper end of the roller to perform friction braking, and the roller arranged on the base provides convenience for the movement of the construction site elevator.
Preferably, the lifting power device is characterized in that a transmission shaft is driven by a single-phase conical motor through a speed reducer, a through hole is formed in the middle radial position of the transmission shaft, the shaft diameters of two sides of the through hole of the transmission shaft are slightly different, the transmission steel wire rope penetrates through the through hole and then is divided into two steel wire ropes, the two steel wire ropes change directions through fixed pulleys at two ends of a base respectively, the two steel wire ropes reach upper and lower cross beams of the portal frame to surround a pulley block, the tail end of the upper cross beam of the portal frame is fixed on the upper cross beam of the portal frame, the two steel wire ropes are wound around the transmission shaft when a motor rotates forwards, and the diameter difference of the transmission shaft is used for solving the problem that the height of the lower cross beams of the portal; the power plug is electrically connected with an external 220V50Hz alternating current power supply through an external power line to supply power to the elevator power device, and the normal rotation, the reverse rotation and the stop of the motor are controlled by the operating handle to achieve the purposes of ascending, descending and standing of the elevator.
Preferably, the foldable traveling box-like structure comprises a table board, a scissor truss and a scissor supporting rod which are completely folded and horizontally placed on a base with a roller after the table board is lowered, a universal roller braking traction line is loosened to be connected with a universal roller braking lever, a universal roller telescopic rod is loosened, a movable lock catch is connected with the fixed end of the scissor truss and the universal roller telescopic rod, the universal roller is inwards folded to a position, the foot part of a door frame is loosened from the movable connecting piece with the roller base, the door frame rotates around rotating shafts at two ends of a lower beam of the door frame and is horizontally placed, a single-phase conical motor is started to inwards store the door frame by pressing a forward rotation button on an operating handle, a rail head plate is taken down, an inclined support of a rail side plate is loosened, the rail side plate is downwards folded, the rail head plate is sleeved again, the inclined support of the rail side plate is buckled, is convenient to carry.
Drawings
FIG. 1 is a schematic view of a portable lift in an expanded configuration;
FIG. 2 is a front view of the portable lift;
FIG. 3 is a view of the two end structure of the portable lift;
FIG. 4 is a schematic view of the portable lift lowering;
FIG. 5 is a schematic view of the portable lift fully collapsed;
FIG. 6 is a structural view of an elevator bedplate;
FIG. 7 is a view of the structure of the scissor trusses and scissor support bars of the elevator;
FIG. 8 is a structural view of an elevator door frame;
FIG. 9 is a view of the structure of the elevator base;
FIG. 10 is a structural view of an elevator power plant;
fig. 11 is a drawing structure of the elevator.
① platen, ⑩ fence edge panel;
a rail head plate;
a combined fastener;
a base plate;
lining the grid;
a bottom plate joist;
a movable latch member;
an inclined support rod;
adjusting screws;
② scissor truss and scissor support bar;
a scissor truss;
a scissor supporting rod;
a first section upper foot of the scissor truss;
a scissor truss sliding end;
a scissor truss fixing end;
③ door frame;
moving the handle;
a roller brake handle;
a gantry upper beam;
a portal column;
a gantry lower beam;
a linear bearing;
a circular shaft;
the universal roller brakes the traction line;
④ with roller base;
a linear guide rail;
a sliding seat;
a movable end connecting piece of the scissor truss;
a portal upright post and a base movable connecting piece;
a linear roller;
a universal roller;
a universal roller brake lever;
a universal roller telescopic rod;
the fixed end of the scissor truss is connected with the universal roller telescopic rod connecting piece;
⑤ lifting power device;
a single-phase conical motor;
a distribution box;
a travel switch;
a speed reducer;
a drive shaft;
a fixed pulley;
one end of a steel wire rope;
the other end of the wire rope, ⑥ operating handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", "left", "right", and the like 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 referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electric welding connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, in one embodiment of the present invention, a portable elevator for interior decoration comprises a platform ①, a scissor truss and scissor support rods ②, a portal ③, a base ④ with rollers, a lifting power device ⑤, and an operating handle ⑥. after the elevator arrives at the site, a user first unfolds the elevator in reverse order of folding and unfolding and installs the elevator in place, including a rail head plate
Fence edge plate ⑩, diagonal bracing piece
Portal ③, universal gyro wheel telescopic link
Universal roller brake lever
And brake pull wire
Attached and then hand-held to move the handle
Move the elevator to the working position, lock the universal roller brake handle
Prevent the elevator from moving, from the distribution box
The power plug from the inside is electrically connected with an external 220V50Hz AC power supply to provide power for the elevator power device ⑤, and after the power supply is plugged in, the power plug sends an ascending, descending and stopping command to the elevator through the keys on the operating handle ⑥.
Further, referring to FIG. 6, platen ① is fitted with a base plate
Base plate
Two sides are provided with fence edge plates ⑩ and bottom plates
One end of which is provided with a fence head plate
Fence edge plate
And a base plate
Hinged and with rail edge panels ⑩ on the base panel
The two sides can be turned over upwards or downwards to form a combined locking piece
Movably connecting the rail edge panel ⑩ and the rail head panel
At the fence edge plate⑩ when turning upwards or downwards, the rail head board needs to be taken off first
Put into rail head plate after overturning
Rail edge panel ⑩ and base panel
The peripheral edge is folded by 15mm to strengthen the lining grid
The height of the space is 150mm, the bottom plate is flush with the folded edge
Open at both ends to let the door frame ③ pass through, and a bottom plate
Two joists are arranged below
Each provided with two sliding grooves in sliding connection with the scissors truss
Is a sliding end
And scissors supporting rod
Is a sliding end
Scissor truss
Fixed end of
Is fixedly connected with the other end of the joist and can rotate, and the fence edge plate ⑩ passes through the inclined supporting rod
Movable connecting piece
And a base plate
Movably connected, adjustable screws
For adjusting half-side linear bearings
Make it cling to the upright post of the portal frame
Mast for portal when platen ① is dropped
Increasing the support point prevents the door ③ from swinging back and forth.
Further, referring to FIG. 7, the scissor trusses and scissor braces ②, and the scissor braces
Truss clinging to scissors
Auxiliary scissors truss with integrated inner sides
The scissors truss and the scissors support rods ② are combined to form two sets which are respectively arranged at two sides of a base ④ with rollers, an upper connecting bedplate ① is connected with a lower connecting base ④, and the scissors truss can stretch out and draw back according to the requirements of the scissors truss and the scissors support rods ②
Both ends are divided into sliding ends
And
fixed end
And
scissor truss
The lowest section is a first section, the first section is provided with an upper foot, and the second section is provided with a lower foot connecting point
With portal lower beam
Two-end round shaft
Rotatably connected by a portal ③ lower beam
Move up and down in the portal frame to drive the lifting scissor truss and the scissor supporting rod ② to extend and retract, so as to realize the lifting and falling of the bedplate ① and the scissor supporting rod
The length of the lever depends on the shear truss
Set extension limit, the scissors support bar when the platen ① is raised to a set maximum height
Auxiliary scissors truss capable of being opened completely
Bearing the load, this design has six support points supporting platen ① at the same time, reducing the strength requirements of the platen compared to four support points supporting only with scissors trusses without scissors support bars, the scissors trusses
And scissors supporting rod
The supporting device supports each other, reduces the strength requirement of the scissors truss, creates conditions for reducing the self weight of the lifter, and simultaneously provides convenience for carrying.
Further, referring to FIG. 8, the door ③ includes a movable end door and a fixed end door, i.e., the ends that slide with the scissors truss
Follow-up sliding seat on belt roller base ④
The sliding is called movable end portal, and each portal ③ is composed of a portal upper beam
With two portal posts
Combined into a frame, a portal lower beam
Both ends are provided with linear bearings
On portal stand
Upper sliding, upper beam
And a lower cross member
Is a U-shaped groove, in which the pulleys and the lower beam are respectively arranged
With shafts at both ends
Truss extending out for connecting scissors
Drives or controls the scissor truss and the scissor supporting rod ② to extend and retract, and a movable handle is arranged on the fixed end door frame
And a movable roller brake handle
Movable roller braking traction line
Through portal column
The inside comes out and is movably connected with a universal roller
Upper brake lever
Easy-to-move or brake lifter and gantry upright post
Is movably connected with the base and a connecting piece thereof
Belongs to a semicircular lock pin connected with the groove, and a handle at one end of the lock pin is rotated to ensure that the semicircular lock pin
Downwards, sleeved on a portal upright post
The leg recess is formed therein to lock the door ③ to the base ④, and a handle at one end of the lock pin is rotated to lock the semicircular lock pin
Upward, the door frame ③ and the base ④ are loosened, conditions are created for the door frame ③ to be folded into the lifter when the lifter is folded, and simultaneously, the carrying is convenient, and a lower cross beam is arranged in the door frame ③
With shafts at both ends
Truss with extending connecting scissors
Lower cross beam
Respectively go through pulley block steel wire rope
And
drives not only the scissor truss and the scissor supporting rod ② to extend and retract, but also the lower cross beam
Also helps the scissors truss
The first section bears most of the load, the lower beam
The loaded weight passes through the pulley block steel wire rope
And
transfer to gantry upper beam
Finally composed of portal column
Bear and reduce the scissors truss
The strength requirement of (2) creates conditions for lightening the self weight of the lifter and provides convenience for carrying.
Further, referring to FIG. 9, the belt roller mount ④ is formed by two linear guide rails
A sliding seat is arranged on a base ④ with the roller and is combined with the roller shaft into a frame
Movable fastener for connecting door frame ③ and base ④
Sliding end and sliding seat of scissor truss
Connecting piece for connection
Truss fastener for connecting scissorsFixed end and universal roller telescopic rod connected
Of
Two linear rollers
And two universal rollers with braking mechanisms
The universal roller telescopic rod
Rotating around the shaft and increasing rollers when the roller is opened outwards
The distance between the rollers is increased, the stability of the elevator is enhanced, and the rollers can be folded inwards
To
Position, providing for convenient carrying, the sliding seat
The self-adaptive scissors truss and the scissors supporting rod ② are required to be stretched, the sliding seat slides rightwards when the scissors truss and the scissors supporting rod are stretched, the sliding seat slides leftwards when the scissors truss and the scissors supporting rod are compressed, and the braking handle of the universal roller braking mechanism
Mounted on a fixed end portal ③ and pinching a brake handle
Rotating around the axle center to draw the steel wire of the dynamic traction wire
Lifting upwards, rotating the steel wire from one side of the axle center of the brake handle to the other side, locking the brake handle to be fixed, and braking the steel wire of the traction wire
Post frame
Brake lever for pulling roller when the brake lever comes out
The rotary pressing tappet moves downwards, the elastic sheet on the pressing roller compresses the upper end of the roller for friction braking, and the roller arranged on the base provides convenience for the movement of the construction site elevator.
Further, referring to FIG. 10, the lift power unit ⑤ is comprised of a single phase conical motor
Speed reducer
Drive transmission shaft
Transmission shaft
A through hole is arranged at the middle radial position, the shaft diameters at the two sides of the through hole of the transmission shaft are slightly different, and the transmission steel wire rope is divided into two parts after passing through the through hole
And
two steel wire ropes pass through the fixed pulleys at two ends of the base respectively
Change direction to upper and lower beams of portal
And
around the pulley block, the tail end of the pulley block is fixed on the upper beam of the portal frame
Upper, lower motor
Two steel wire ropes in positive rotation
And
respectively on the transmission shaft
The upper and lower parts are wrapped by a transmission shaft
The difference of the diameters is to solve the problem of the transmission shaft when the bedplate is lifted
The distance between the movable end portal frame and the fixed end portal frame is unchanged, but the distance between the movable end portal frame and the fixed end portal frame is changed to bring the lower cross beams of the portal frames on the two sides
The height is inconsistent to ensure that the heights of the lower beams on the two side gantries are always the same, a power plug is electrically connected with an external 220V50Hz alternating current power supply in a mode of an external power line to provide power for the elevator power device ⑤, and the operation handle ⑥ controls the motor
The forward rotation, the reverse rotation and the stop of the lifting machine achieve the purposes of ascending, descending and stopping of the lifting machine.
Further, referring to fig. 5 and 11, a series of smart structural designs provide the elevator with light weight, foldable and collapsible into a suitcase shape for easy carrying, including the steps of lowering the platform ①, completely collapsing the scissor truss and scissor support rods ② and laying them on the roller base ④, and releasing the universal roller brake pull wire
And universal roller brake lever
Universal roller telescopic rod for connection and loosening
And a telescopic rod connecting piece which is not only connected with the fixed end of the scissors truss but also connected with a universal roller
A movable lock catch for inwardly closing the universal roller to
Position, release of the pivotal connection of the foot of the mast ③ to the base ④ with the roller
Door frame ③ rotating shaft around two ends of door frame lower beam
Rotating, leveling and pressing the forward rotation button on the operating handle ⑥ to start the single-phase taper motor
Store the door frame ③ inward, remove the rail head board
Diagonal bracing to release fence edge panel ⑩
The rail side plate ⑩ is turned over downwards and then sleeved with the rail head plate
Buckling fence edge plate inclined support
The appearance of the whole elevator is like a smooth travelling case shape after being folded, and the elevator is convenient to carry.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore desired that the present embodiments be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, without any reference thereto being construed as limiting the claim concerned.
Claims (7)
1. A portable elevator for indoor decoration is composed of bedplate ①, shears truss and shears supporting rod ②, portal ③, base ④ with rollers, lifting power unit ⑤ and operating handle ⑥, and said lifting power unit ⑤ is composed of motor
Providing power and driving shaft through speed reducer
Winding the steel wire rope during rotation and positive rotation
And
lower beam of door frame ③ pulled by pulley block
Round shafts at two ends of ascending and descending beam
From the scissor trusses and scissor support bars ②
In position, the scissor truss and scissor support bars ② are pulled apart and raised, the lift table ① is raised, and the wire rope is unwound during reverse rotation
And
the bedplate ① and the load compression shear truss and the shear support rods on the bedplate ① are folded to realize the descending of the bedplate, and the portable elevator for indoor decoration is enabled to be folded and folded like a suitcase through a series of ingenious structural designs.
2. The portable elevator for interior decoration as claimed in claim 1, wherein said floor panel ① is provided with a bottom plate
Base plate
Two sides are provided with fence edge plates ⑩ and bottom plates
One end of which is provided with a fence head plate
Fence edge plate
And a base plate
Hinged and with rail edge panels ⑩ on the base panel
The two sides can be turned over upwards or downwards to form a combined locking piece
Movably connecting the rail edge panel ⑩ and the rail head panel
When the rail side panel ⑩ is turned over, the rail end panel is first removed
Put into rail head plate after overturning
Rail edge panel ⑩ and base panel
The peripheral edge is folded by 15mm to strengthen the lining grid
The height of the space is 150mm, the bottom plate is flush with the folded edge
Open at both ends to let the door frame ③ pass through, and a bottom plate
Two joists are arranged below
Each provided with two sliding grooves in sliding connection with the scissors truss
Is a sliding end
And scissors supporting rod
Is a sliding end
Scissor truss
Fixed end of
Is fixedly connected with the other end of the joist and can rotate, and the fence edge plate ⑩ passes through the inclined supporting rod
Movable connecting piece
And a base plate
Movably connected, adjustable screws
For adjusting half-side linear bearings
Make it tightPost of door frame
Mast for portal when platen ① is dropped
Increasing the support point prevents the door ③ from swinging back and forth.
3. The portable elevator for interior decoration as claimed in claim 1, wherein the scissor trusses and scissor support bars ②, scissor support bars ②
Truss clinging to scissors
Auxiliary scissors truss with integrated inner sides
The scissors truss and the scissors support rods ② are combined to form two sets which are respectively arranged at two sides of a base ④ with rollers, an upper connecting bedplate ① is connected with a lower connecting base ④, and the scissors truss can stretch out and draw back according to the requirements of the scissors truss and the scissors support rods ②
Both ends are divided into sliding ends
And
fixed end
And
scissor truss
The lowest section is a first section, the first section is provided with an upper foot, and the second section is provided with a lower foot connecting point
With portal lower beam
Two-end round shaft
Rotatably connected by a portal ③ lower beam
Move up and down in the portal frame to drive the lifting scissor truss and the scissor supporting rod ② to extend and retract, so as to realize the lifting and falling of the bedplate ① and the scissor supporting rod
The length of the lever depends on the shear truss
Set extension limit, the scissors support bar when the platen ① is raised to a set maximum height
Auxiliary scissors truss capable of being opened completely
Bearing the load, this design has six support points supporting platen ① at the same time, reducing the strength requirements of the platen compared to four support points supporting only with scissors trusses without scissors support bars, the scissors trusses
And scissors supporting rod
The supporting device supports each other, reduces the strength requirement of the scissors truss, creates conditions for reducing the self weight of the lifter, and simultaneously provides convenience for carrying.
4. The portable lift of claim 1, wherein said door ③ comprises a movable end door and a fixed end door, i.e. sliding end with scissors truss
Follow-up sliding seat on belt roller base ④
The sliding is called movable end portal, and each portal ③ is composed of a portal upper beam
With two portal posts
Combined into a frame, a portal lower beam
Both ends are provided with linear bearings
On portal stand
Upper sliding, upper beam
And a lower cross member
Is a U-shaped groove, in which the pulleys and the lower beam are respectively arranged
With shafts at both ends
Truss extending out for connecting scissors
Drives or controls the scissor truss and the scissor supporting rod ② to extend and retract, and a movable handle is arranged on the fixed end door frame
And a movable roller brake handle
Movable roller braking traction line
Through portal column
The inside comes out and is movably connected with a universal roller
Upper brake lever
Easy-to-move or brake lifter and gantry upright post
Is movably connected with the base and a connecting piece thereof
Belongs to a semicircular lock pin connected with the groove, and a handle at one end of the lock pin is rotated to ensure that the semicircular lock pin
Downwards, sleeved on a portal upright post
The leg recess is formed therein to lock the door ③ to the base ④, and a handle at one end of the lock pin is rotated to lock the semicircular lock pin
Upward, the door frame ③ and the base ④ are loosened, conditions are created for the door frame ③ to be folded into the lifter when the lifter is folded, and simultaneously, the carrying is convenient, and a lower cross beam is arranged in the door frame ③
With shafts at both ends
Truss with extending connecting scissors
Lower cross beam
Respectively go through pulley block steel wire rope
And
drives not only the scissor truss and the scissor supporting rod ② to extend and retract, but also the lower cross beam
Also helps the scissors truss
The first section bears most of the load, the lower beam
The loaded weight passes through the pulley block steel wire rope
And
transfer to gantry upper beam
Finally composed of portal column
Bear and reduce the scissors truss
The strength requirement of (2) creates conditions for lightening the self weight of the lifter and provides convenience for carrying.
5. The portable elevator for interior decoration as claimed in claim 1, wherein said roller mount ④ is composed of two linear guides
A sliding seat is arranged on a base ④ with the roller and is combined with the roller shaft into a frame
Movable fastener for connecting door frame ③ and base ④
Sliding end and sliding seat of scissor truss
Connecting piece for connection
Telescopic rod for connecting fixed end of scissor truss and universal roller
Of
Two linear rollers
And two universal rollers with braking mechanisms
The universal roller telescopic rod
Rotating around the shaft and increasing rollers when the roller is opened outwards
The distance between the rollers is increased, the stability of the elevator is enhanced, and the rollers can be folded inwards
To
Position, providing for convenient carrying, the sliding seat
The self-adaptive scissors truss and the scissors supporting rod ② can be stretched and retracted, the sliding seat slides rightwards when the self-adaptive scissors truss and the scissors supporting rod are stretched, the sliding seat slides leftwards when the self-adaptive scissors truss and the scissors supporting rod are compressed,braking handle of universal roller braking mechanism
Mounted on a fixed end portal ③ and pinching a brake handle
Rotating around the axle center to draw the steel wire of the dynamic traction wire
Lifting upwards, rotating the steel wire from one side of the axle center of the brake handle to the other side, locking the brake handle to be fixed, and braking the steel wire of the traction wire
Post frame
Brake lever for pulling roller when the brake lever comes out
The rotary pressing tappet moves downwards, the elastic sheet on the pressing roller compresses the upper end of the roller for friction braking, and the roller arranged on the base provides convenience for the movement of the construction site elevator.
6. The portable elevator as claimed in claim 1, wherein the elevating power unit ⑤ comprises a single-phase taper motor
Speed reducer
Drive transmission shaft
Transmission shaft
A through hole is arranged at the middle radial position, the shaft diameters at the two sides of the through hole of the transmission shaft are slightly different, and the transmission steel wire rope is divided into two parts after passing through the through hole
And
two steel wire ropes pass through the fixed pulleys at two ends of the base respectively
Change direction to upper and lower beams of portal
And
around the pulley block, the tail end of the pulley block is fixed on the upper beam of the portal frame
Upper, lower motor
Two steel wire ropes in positive rotation
And
respectively on the transmission shaft
The upper and lower parts are wrapped by a transmission shaft
The difference of the diameters is to solve the problem of the transmission shaft when the bedplate is lifted
The distance between the movable end portal frame and the fixed end portal frame is unchanged, but the distance between the movable end portal frame and the fixed end portal frame is changed to bring the lower cross beams of the portal frames on the two sides
The height is inconsistent to ensure that the heights of the lower beams on the two side gantries are always the same, a power plug is electrically connected with an external 220V50Hz alternating current power supply in a mode of an external power line to provide power for the elevator power device ⑤, and the operation handle ⑥ controls the motor
The forward rotation, the reverse rotation and the stop of the lifting machine achieve the purposes of ascending, descending and stopping of the lifting machine.
7. The portable elevator for interior decoration as claimed in claim 1, wherein the folding and folding suitcase-like structure of the present invention comprises a table ① lowered, a scissor truss and a scissor support rod ② completely folded and laid on the base ④ with rollers, and a universal roller brake pull wire released
And universal roller brake lever
Universal roller telescopic rod for connection and loosening
And a telescopic rod connecting piece which is not only connected with the fixed end of the scissors truss but also connected with a universal roller
A movable lock catch for inwardly closing the universal roller to
Position, release of the pivotal connection of the foot of the mast ③ to the base ④ with the roller
Door frame ③ rotating shaft around two ends of door frame lower beam
Rotating, leveling and pressing the forward rotation button on the operating handle ⑥ to start the single-phase taper motor
Store the door frame ③ inward, remove the rail head board
Diagonal bracing to release fence edge panel ⑩
The rail side plate ⑩ is turned over downwards and then sleeved with the rail head plate
Buckling fence edge plate inclined support
The appearance of the whole elevator is like a smooth travelling case shape after being folded, and the elevator is convenient to carry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010409831.XA CN111439711A (en) | 2020-05-13 | 2020-05-13 | Portable lift for interior decoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010409831.XA CN111439711A (en) | 2020-05-13 | 2020-05-13 | Portable lift for interior decoration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111439711A true CN111439711A (en) | 2020-07-24 |
Family
ID=71655223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010409831.XA Pending CN111439711A (en) | 2020-05-13 | 2020-05-13 | Portable lift for interior decoration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111439711A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844873A (en) * | 2021-02-03 | 2021-05-28 | 陕西中医药大学 | A splitter for traditional chinese medicine solid-liquid separation |
| CN114087501A (en) * | 2021-11-12 | 2022-02-25 | 国网江苏省电力有限公司泰州供电分公司 | Portable distribution facility lifting tool for construction |
| CN114803722A (en) * | 2022-04-07 | 2022-07-29 | 河源坚宝电缆有限公司 | Foldable cable assembly for lifting platform |
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| US1458032A (en) * | 1922-07-01 | 1923-06-05 | Joseph G Cornell | Elevator |
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| US3701226A (en) * | 1971-01-20 | 1972-10-31 | Cooper Ind Inc | Adjustable positionable structural device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112844873A (en) * | 2021-02-03 | 2021-05-28 | 陕西中医药大学 | A splitter for traditional chinese medicine solid-liquid separation |
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| CN114087501B (en) * | 2021-11-12 | 2023-08-04 | 国网江苏省电力有限公司泰州供电分公司 | Portable power distribution facility lifting tool for construction |
| CN114803722A (en) * | 2022-04-07 | 2022-07-29 | 河源坚宝电缆有限公司 | Foldable cable assembly for lifting platform |
| CN114803722B (en) * | 2022-04-07 | 2023-08-15 | 河源坚宝电缆有限公司 | Foldable cable assembly for lifting platform |
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