CN115490190B - Scissor fork high-altitude lifting platform and adjusting method thereof - Google Patents
Scissor fork high-altitude lifting platform and adjusting method thereof Download PDFInfo
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- CN115490190B CN115490190B CN202211198577.9A CN202211198577A CN115490190B CN 115490190 B CN115490190 B CN 115490190B CN 202211198577 A CN202211198577 A CN 202211198577A CN 115490190 B CN115490190 B CN 115490190B
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 30
- 238000010168 coupling process Methods 0.000 claims description 30
- 238000005859 coupling reaction Methods 0.000 claims description 30
- 238000012423 maintenance Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000010008 shearing Methods 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 description 8
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 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
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Abstract
The invention provides a scissor high-altitude lifting platform and an adjusting method thereof, and belongs to the technical field of scissor lifting equipment. The table top is arranged at the top of the shearing fork arm, two sides of the table top are both connected with a telescopic plate I in a sliding manner, the front side of the table top is connected with a telescopic plate II in a sliding manner, the bottom of the table top is connected with a pedestal, the bottom of the pedestal is connected with at least one shearing fork arm in a sliding manner, and an area adjusting mechanism is arranged in the pedestal; regional guiding mechanism includes support frame I and support frame II, support frame I and support frame II link to each other with expansion plate I of mesa both sides respectively, support frame I and support frame II's one end all articulates there is the bracing piece, the one end both sides at support frame I are installed in the bracing piece slope. It is mainly used for high-altitude operation.
Description
Technical Field
The invention belongs to the technical field of scissor lifting equipment, and particularly relates to a scissor high-altitude lifting platform and an adjusting method thereof.
Background
With the gradual maturation of the lifting device technology in China, various high-altitude operation platforms and other devices develop rapidly, wherein the devices comprise a scissor type lifting platform which is special equipment for high-altitude operation with wide indoor and outdoor application. The device can be widely used for equipment maintenance, installation of machines in and out of a hall and a factory building, equipment maintenance and building maintenance.
The existing scissor type lifting platform is lifted through scissor type scissor arms when in use, and then regional movement is carried out on the platform through wheels, but the maintained area range of maintenance personnel is smaller, and when the movable area of the maintenance personnel on a table top can not meet the maintained range, the maintenance personnel needs to move gradually to a small range of the maintenance personnel through the wheels, because the height of the platform is high, the stability coefficient is poor, especially when the platform moves in a small range, the gravity of a human body and the gravity of the table top are easy to shake, the personnel stand is unstable, and the safety coefficient is low.
Disclosure of Invention
In view of the above, the present invention aims to provide a scissor overhead lifting platform and an adjusting method thereof, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the high-altitude lifting platform comprises a table top and a shearing arm, wherein the table top is arranged at the top of the shearing arm, two sides of the table top are both connected with a telescopic plate I in a sliding manner, the front side of the table top is connected with a telescopic plate II in a sliding manner, the bottom of the table top is connected with a pedestal, the bottom of the pedestal is connected with at least one shearing arm in a sliding manner, and an area adjusting mechanism is arranged in the pedestal; regional guiding mechanism includes support frame I and support frame II, support frame I and support frame II link to each other with expansion plate I of mesa both sides respectively, support frame I and support frame II's one end all articulates there is the bracing piece, the one end both sides at support frame I are installed to the bracing piece slope, the top of bracing piece is articulated with the bottom of expansion plate I, the fluting is seted up to the one end side surface of support frame I, the fluting department of the other end side surface of support frame I just is located the internal position swivelling joint of pedestal has the stopper, the fluting department at the other end side surface of support frame I is installed through the rotation axis to the both sides surface of stopper, the inside side surface rigid coupling of pedestal has a row of fixture block, the fixture block is spacing to the stopper, the structure of support frame II is the same with support frame I.
Still further, the quantity of support frame I and support frame II is two, and the inside that just is located the pedestal of the surface of two support frames I is sliding connection respectively has the slip ratch, spout II has been seted up on the slip ratch surface, slip ratch surface has carriage II and carriage I through II sliding connection of spout, carriage I is located carriage II below.
Still further, all mesh between the tip of movable rod I and movable rod II and follow driving wheel II, follow driving wheel II's surface is connected with from driving wheel I through connecting axle I, the top surface of mesa is connected with fixed frame I, the surface rotation of fixed frame I is connected with rotating head I, the rear surface of rotating head I is connected with the action wheel through connecting axle II, action wheel and follow driving wheel I between through drive belt I transmission connection.
Further, the inside intermediate position rigid coupling of pedestal has the locking plate, locking plate surface rigid coupling has a row of fixture block, the inside rotation of pedestal is installed and is had gear I, slip rack and gear I meshing, a side meshing of support frame II has gear I.
Still further, the inside fixedly connected with inflator of pedestal, the gas pocket has been seted up to inflator one end surface, the inside sliding connection of inflator has the push pedal, the surface rigid coupling of push pedal has the push rod, the one end of push rod and the one end surface rigid coupling of support frame I, the surface sliding connection of inflator has the valve, the surface rigid coupling of valve has slide bar II, slide bar II's surface rigid coupling has a plurality of lugs, the fluting department sliding connection of support frame I has the slider, one side of support frame I runs through there is the fixed block.
Still further, the lug all is equipped with a plurality of recesses I with the surface of fixed block, a side and the being located of fixed block are grooved internal fixation and are had the arc piece, the arc piece passes through fixed axle II and the surface connection of fixed block, spout I has all been seted up to the both sides wall of support frame I, sliding connection has slide bar I in spout I, the one end rigid coupling of slide bar I has fixed axle I, the surface cover of fixed axle I has the adapter sleeve.
Still further, the meshing of slide bar I top has gear II, gear II surface cover has drive belt II, drive belt II upper end cover has the swiveling wheel, swivel wheel surface has swivel head II through connecting axle III rigid coupling, swivel head II installs through fixed frame II, fixed frame II fixed connection is at the surface of mesa and is located one side of fixed frame I, swivel head II runs through fixed frame II's surface and rotates with fixed frame II to be connected, slide bar II's one end rigid coupling has spring I, the one end and the internal connection of pedestal of spring I, recess II has been seted up at the slider top, the slider bottom is provided with spring II.
Furthermore, the push plate is a circular plate and is in seamless contact with the inner wall of the inflator, the surface of the fixed shaft II is sleeved with a spring III, and the distance between the two protruding blocks is larger than the width of the fixed block.
Furthermore, the table top is in a convex structure, a pressure spring is arranged between the two sides of the limiting block and the rotating shaft, and the limiting block is clamped between the two clamping blocks.
The invention also provides an adjusting method of the scissor high-altitude lifting platform, which comprises the following steps:
step 1: the scissor arms are driven by a motor to rise upwards;
step 2: according to the maintenance area, the expansion plate I is pushed to extend outwards to one side of the table top, the expansion plate I is driven to move in the same direction while moving, and the expansion plate I and the support frame I are stopped from moving between the two clamping blocks through the clamping blocks when the expansion plate I extends to a required distance;
step 3: the fixing block is in friction contact with the protruding block on the sliding rod II when the support frame I moves, the sliding rod II is intermittently pushed to move towards the direction of the spring I to pump air from the inside of the inflator, and the length and the distance of the support frame I and the expansion plate I are fixed through air pressure;
step 4: the rotary head II is rotated anticlockwise, so that the limiting block is rotated anticlockwise to be withdrawn between the two clamping blocks, the valve moves towards the end part direction of the air cylinder to open the air hole, the air in the air cylinder is discharged, the limiting block is not clamped with the clamping blocks, and the length of the support frame I is adjusted by discharging the air in the air cylinder;
step 5: when not in use, the rotating head II is rotated anticlockwise, the support frame I is continuously pushed to the inside of the pedestal, and the table top is stored.
Compared with the prior art, the invention has the beneficial effects that: the invention has the advantages of avoiding the unstable standing of maintenance personnel when the wheels move because the small-range maintenance is required to be completed through the movement of the wheels.
According to the invention, through the support frame I, the expansion plate I and the limiting blocks, when the expansion plate I extends to the required length, the support frame I stops moving, the limiting blocks are clamped between the two clamping blocks, the extended length of the expansion plate I can be fixedly supported by the gravity of a human body, the support frame I is prevented from continuously moving in the pedestal due to the gravity of a person, through the design of the structure, maintenance personnel can carry out regional maintenance on the periphery of the expansion plate I, the phenomenon that the maintenance personnel stand unstably when the wheels move is avoided by avoiding the small-range maintenance to be completed through the wheel movement.
According to the invention, through the driven wheel I, the driven wheel II, the rotary head I and the movable rod I, the rotary head I is rotated clockwise, when the driven wheel II is rotated clockwise, the movable rod I and the movable rod II drive the sliding toothed bar to move towards the direction of the connecting shaft I at the same time, so that the sliding toothed bar is meshed with the gear I, or one side of the support frame II is meshed with the gear I, and the other expansion plate I can be driven to extend outwards at one side of the table top at the same time; when the sliding toothed bar is separated from the gear I and does not mesh with the gear I, one telescopic plate I extends outwards, the other telescopic plate I does not extend along with the telescopic plate I, and the length of the table top can be extended according to the surrounding conditions.
According to the invention, through the arranged inflator, the push rod and the sliding block, the telescopic plate I moves and extends to drive the support frame I to move, the fixed block is in friction contact with the protruding block on the sliding rod II, the intermittent pushing of the sliding rod II moves towards the direction of the spring I to be opened, the support frame II moves along with the telescopic plate I in the same direction, the push rod pulls the circular plate to suck air at the inner wall of the inflator, so that the air pressure in the inflator is generated, the air pressure in the inflator can be prevented from escaping, the moving distance of the support frame I can also be in conflict with the external force born by one end of the support frame I through the air pressure in the inflator on the basis of fixing the limit block and the clamping block, and the limit block and the clamping block can be protected when the limit block are clamped, and the limit block is prevented from being broken due to overlarge gravity.
According to the invention, through the rotating head II, the gear II, the sliding rod I and the sliding rod II, when a worker needs to readjust the moving length of the expansion plate I, the rotating head II can be rotated anticlockwise, and the gear II is driven by the rotating wheel and the driving belt II to rotate, so that the limiting block rotates anticlockwise and retreats between the two clamping blocks, the valve and the sliding rod II move towards the direction of the end part of the inflator continuously upwards through the expansion force generated by the spring I to discharge the gas in the inflator, the limiting block is not clamped with the clamping block, the gas in the inflator is discharged, and the supporting frame I can be moved at will, so that the moving distance and the moving length of the supporting frame I can be flexibly adjusted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of a scissor lift platform according to the present invention;
FIG. 2 is an enlarged view of the part of FIG. 1 according to the present invention;
FIG. 3 is a schematic side view of the structure of FIG. 1 according to the present invention;
FIG. 4 is a schematic diagram illustrating the internal side view of the fixing frame I according to the present invention;
FIG. 5 is a schematic top view of the interior of the pedestal according to the present invention;
FIG. 6 is a schematic side view of the support I according to the present invention;
FIG. 7 is a schematic top view of FIG. 6 according to the present invention;
FIG. 8 is a schematic view of the internal structure of the slider of FIG. 6 according to the present invention;
FIG. 9 is a schematic front view of a rotary head II according to the present invention;
fig. 10 is an enlarged schematic view of the structure of fig. 6 a according to the present invention.
The mechanical arm comprises a table top, a 101-locking plate, 102-gear I, 2-scissor arms, 3-pedestal, 301-clamping blocks, 4-supporting frames I, 401-supporting rods, 402-driven wheels I, 403-moving rods I, 404-driving belts I, 405-moving rods II, 406-connecting shafts I, 407-sliding toothed bars, 408-limiting blocks, 409-inflator, 4091-air holes, 410-pushing rods, 411-sliding rods I, 4111-connecting sleeves, 4112-fixed shafts I, 412-sliding rods II, 4121-protruding blocks, 4122-springs I, 4123-valves, 413-sliding blocks, 414-fixed blocks, 415-springs II, 416-sliding grooves I, 417-driven wheels II, 5-fixed frames I, 501-rotating heads I, 502-connecting shafts II, 503-driving wheels, 6-fixed frames II, 601-rotating heads II, 602-rotating wheels, 603-driving belts II, 604-gear II, 7-supporting frames II, 8-telescopic plates I and 9-telescopic plates II.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It should be noted that, in the case of no conflict, embodiments of the present invention and features of the embodiments may be combined with each other, and the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-10 for describing the present embodiment, a fork high-altitude lifting platform comprises a table top 1 and a fork arm 2, wherein the table top 1 is installed at the top of the fork arm 2, two sides of the table top 1 are slidably connected with a telescopic plate i 8, the front side of the table top 1 is slidably connected with a telescopic plate ii 9, the bottom of the table top 1 is connected with a pedestal 3, the bottom of the pedestal 3 is slidably connected with at least one fork arm 2, and an area adjusting mechanism is arranged inside the pedestal 3; regional guiding mechanism includes support frame I4 and support frame II 7, support frame I4 and support frame II 7 link to each other with the expansion plate I8 of mesa 1 both sides respectively, support frame I4 and support frame II 7's one end all articulates there is bracing piece 401, bracing piece 401 slope installation is in support frame I4's one end both sides, the top of bracing piece 401 articulates with the bottom of expansion plate I8, the fluting is seted up to support frame I4's one end side surface, the fluting department of support frame I4's other end side surface just is located pedestal 3's inside position swivelling joint has stopper 408, the fluting department at support frame I4's other end side surface is installed through the rotation axis to stopper 408's both sides surface, pedestal 3's inside side surface rigid coupling has a row of fixture block 301, fixture block 301 is spacing stopper 408, support frame II 7's structure is the same with support frame I4, and stopper 408 can only anticlockwise rotation.
The number of the supporting frames I4 and II 7 is two, the surfaces of the two supporting frames I4 are respectively and slidably connected with a sliding toothed bar 407 which is arranged in the pedestal 3, a sliding groove II is formed in the surface of the sliding toothed bar 407, a moving rod II 405 and a moving rod I403 are slidably connected to the surface of the sliding toothed bar 407 through the sliding groove II, and the moving rod I403 is arranged below the moving rod II 405.
The movable rod I403 is meshed with the end part of the movable rod II 405, the driven wheel II 417 is connected with the driven wheel I402 through the connecting shaft I406 on the surface of the driven wheel II 417, the fixed frame I5 is connected to the top surface of the table top 1, the rotary head I501 is connected to the surface of the fixed frame I5 in a rotary mode, the driving wheel 503 is connected to the rear surface of the rotary head I501 through the connecting shaft II 502, and the driving wheel 503 is connected with the driven wheel I402 in a transmission mode through the transmission belt I404.
The inside intermediate position rigid coupling of pedestal 3 has locking plate 101, locking plate 101 surface rigid coupling has a row of fixture block 301, the inside rotation of pedestal 3 is installed gear I102, slide rack 407 and gear I102 meshing, a side meshing of support frame II 7 has gear I102.
The inside fixedly connected with inflator 409 of pedestal 3, gas pocket 4091 has been seted up to inflator 409 one end surface, the inside sliding connection of inflator 409 has the push pedal, the surface rigid coupling of push pedal has push rod 410, the one end of push rod 410 and the one end surface rigid coupling of support frame I4, the surface sliding connection of inflator 409 has valve 4123, the surface rigid coupling of valve 4123 has slide bar II 412, the surface rigid coupling of slide bar II 412 has a plurality of lugs 4121, the fluting department sliding connection of support frame I4 has slider 413, one side of support frame I4 runs through has fixed block 414.
The utility model discloses a fixed device for a bicycle, including fixed block 414, lug 4121, support frame I4, fixed block 414, connecting sleeve 4111, fixed rod I411, fixed rod I4112, connecting sleeve 4111, fixed block 414, lug 4121 and fixed block 414's surface all is equipped with a plurality of recesses I, a side and being located the fluting of fixed block 414 rigid coupling have the arc piece, the arc piece passes through fixed axle II and fixed block 414's surface connection, spout I416 has all been seted up to the both sides wall of support frame I4, sliding connection has slide rod I411 in spout I416, the one end rigid coupling of slide rod I411 has fixed axle I4112, the surface cover of fixed axle I4112 has.
The utility model discloses a sliding rod I411 top meshing has gear II 604, gear II 604 surface cover has drive belt II 603, drive belt II 603 upper end cover has swiveling wheel 602, swiveling wheel 602 surface has swivel II 601 through connecting axle III rigid coupling, swivel II 601 passes through fixed frame II 6 installation, fixed frame II 6 fixed connection is on the surface of mesa 1 and is located one side of fixed frame I5, swivel II 601 runs through fixed frame II 6's surface and rotates with fixed frame II 6 to be connected, the one end rigid coupling of sliding rod II 412 has spring I4122, the one end and the internal connection of pedestal 3 of spring I4122, recess II has been seted up at slider 413 top, the slider bottom is provided with spring II 415.
The push plate is a circular plate and is in seamless contact with the inner wall of the inflator 409, the surface of the fixed shaft II is sleeved with a spring III, and the distance between the two protruding blocks 4121 is larger than the width of the fixed block 414.
The table top 1 is in a convex structure, a compression spring is arranged between two sides of the limiting block 408 and the rotating shaft, and the limiting block 408 is clamped between the two clamping blocks 301.
Referring to fig. 1-2 and fig. 5-7, a scissor lift platform comprises a table top 1 and scissor arms 2, the table top 1 is installed at the top of the scissor arms 2, the table top 1 is in a convex structure, telescopic plates i 8 capable of sliding and stretching are installed on two sides of the table top 1, telescopic plates ii 9 are slidably and telescopically arranged on two sides of the telescopic plates i 8 in front of the table top 1, a pedestal 3 is fixedly connected to the bottom of the table top 1, the bottom of the pedestal 3 is slidably connected with at least one scissor arm 2, an area adjusting mechanism is arranged in the pedestal 3, the area adjusting mechanism comprises a supporting frame i 4, the number of the supporting frames i 4 is two, one end of the supporting frame i 4 is hinged with a supporting rod 401, the supporting rod 401 is obliquely installed on two sides of one end of the supporting frame i 4, the top of the supporting rod 401 is hinged with the bottom of the telescopic plates i 8, grooves are formed in one side surfaces of one end of the supporting frame i 4, grooves are formed in the other side surfaces of the supporting frame i 4, a limiting block 408 is rotatably connected to the inner positions of the pedestal 3, two side surfaces of the limiting block 408 are rotatably arranged at the grooves in the other side surfaces of the supporting frame i 4 through a rotating shaft, the two sides of the limiting block 408 are rotatably connected with the limiting blocks, a compression spring 301 is rotatably arranged between the two side surfaces of the limiting blocks 301 and the two compression springs 301 are rotatably arranged at an angle of the two sides of the limiting blocks 301, and the two compression springs 301 are rotatably arranged between the two sides of the limiting blocks 301 are rotatably and can rotate at an angle between one side 301 and 180 degrees.
When the region of maintenance needs extension expansion plate I8, can promote expansion plate I8 and do extension motion in mesa 1's both sides, extension mesa 1's both sides length, when expansion plate I8 extends to one side, bracing piece 401 is with the equidirectional removal of extension of expansion plate I8, drive support frame I4 simultaneously at the inside equidirectional removal of pedestal 3, when support frame I4 is when removing, the stopper 408 of support frame I4 one side is along the incline direction removal of fixture block 301, when expansion plate I8 extends to required length, then stop, support frame I4 also stops moving this moment, stopper 408 block between two fixture blocks 301, fix the length that expansion plate I8 extends, because bracing piece 401 is the one end of slope at support frame I4, when maintenance personal stands on expansion plate I8, the force that bracing piece 401 receives is the inside promotion of support frame I4 to pedestal 3, and the block between 408 and two fixture blocks 301 this moment, and through the direction of rotation of stopper 408, can support people's gravity, avoid support frame I4 to continue at the inside removal of 3 because of receiving people's gravity, through the design of this can avoid the maintenance personal gravity to avoid the maintenance personal to avoid the small-size of the region of the maintenance personal through the expansion plate I when the maintenance personal's 8 is difficult to move around the region of the maintenance platform 8.
It should be noted that: the limiting block 408 moves along with the supporting frame I4 in the same direction, and pressure generated when the limiting block is contacted with each clamping block 301 rotates anticlockwise through a pressure spring arranged in the limiting block 408, so that the clamping phenomenon between the limiting block 408 and the clamping blocks 301 is avoided during movement.
Referring to fig. 1-5, sliding toothed bars 407 are slidably connected to the surfaces of two supporting frames i 4 and are located in the pedestal 3, a sliding slot ii is formed in the surfaces of the sliding toothed bars 407, a moving rod ii 405 and a moving rod i 403 are slidably connected to the surfaces of the sliding toothed bars 407 through the sliding slot ii, the moving rod i 403 is located below the moving rod ii 405, driven wheels ii 417 are meshed between the moving rod i 403 and the ends of the moving rod ii 405, driven wheels i 402 are fixedly connected to the surfaces of the driven wheels ii 417 through a connecting shaft i 406, a fixed frame i 5 is fixedly connected to the top surface of the table top 1, a rotating head i 501 is rotatably connected to the surface of the fixed frame i 5, a driving wheel 503 is fixedly connected to the rear surface of the rotating head i 501 through a connecting shaft ii 502, the driving wheel 503 is in transmission connection with the driven wheels i 402 through a driving belt i 404, a supporting frame ii 7 with the same function as the supporting frame i 4 is mounted at the bottom of a telescopic plate i 8 on the other side of the table top 1, a gear i 102 is rotatably mounted in the pedestal 3, the sliding toothed bars 407 is meshed with the gear i 102, a fixed to the inner middle position of the gear ii 102, and a locking block 101 is locked on the supporting frame ii 101 when the middle position of the sliding toothed bars ii 407 is fixedly connected to the inner middle position of the table top.
The manual clockwise rotating rotary head I501 drives the driving wheel 503 to rotate in the same direction through the connecting shaft II 502, the driving wheel I402 is driven to rotate in the same direction along with the driving wheel 503 through the driving belt I404, the driven wheel II 417 rotates in the same direction along with the driving wheel I402, when the driven wheel II 417 rotates clockwise, the moving rod I403 and the moving rod II 405 drive the sliding toothed bar 407 to move in the direction of the connecting shaft I406 at the same time, so that the sliding toothed bar 407 is meshed with the gear I102, at the moment, when one telescopic plate I8 extends to one side of the table top 1, the sliding toothed bar 407 is meshed with the gear I102, or one side of the supporting frame II 7 is meshed with the gear I102, and the other telescopic plate I8 can be driven to extend outwards at one side of the table top 1 at the same time;
if only one expansion plate I8 is required to extend outwards, the rotary head I501 is rotated anticlockwise, the driven wheel I402 and the driven wheel II 417 are rotated in the same direction, the moving rod I403 and the moving rod II 405 drive the sliding toothed bar 407 to move in the direction away from the connecting shaft I406 at the same time, at this time, the sliding toothed bar 407 and the gear I102 are separated and not meshed, and when one expansion plate I8 extends outwards, the other expansion plate I does not extend along with the expansion plate I, and the length of the table top 1 can be extended according to surrounding conditions.
Referring to fig. 5-8, an air cylinder 409 is fixedly connected in the pedestal 3, an air hole 4091 is provided on one end surface of the air cylinder 409, a push plate is slidably connected in the air cylinder 409, the push plate is a circular plate and is in seamless contact with the inner wall of the air cylinder 409, a push rod 410 is fixedly connected on the surface of the push plate, one end of the push rod 410 is fixedly connected with one end surface of a support frame i 4, a valve 4123 is slidably connected on the surface of the air cylinder 409, a sliding rod ii 412 is fixedly connected on the surface of the sliding rod ii 412, a row of bumps 4121 is fixedly connected on the surface of the air cylinder 409, a sliding block 413 is slidably connected at a groove of the support frame i 4, a fixed block 414 penetrates through one side of the support frame i 4, a plurality of grooves i are provided on the surfaces of the bumps 4121 and the fixed block 414 to increase friction, an arc block is fixedly connected in the groove, the arc block is fixedly connected with the surface of the fixed block 414 through a fixed shaft ii, a spring iii is sleeved on the surface of the fixed shaft ii, both side walls of the support frame I4 are provided with a sliding groove I416, a sliding rod I411 is connected in the sliding way I416, one end of the sliding rod I411 is fixedly connected with a fixed shaft I4112, the surface of the fixed shaft I4112 is sleeved with a connecting sleeve 4111, the top of the sliding rod I411 is meshed with a gear II 604, the surface of the gear II 604 is sleeved with a transmission belt II 603, the upper end of the transmission belt II 603 is sleeved with a rotating wheel 602, the surface of the rotating wheel 602 is fixedly connected with a rotating head II 601 through a connecting shaft III, the rotating head II 601 is installed through a fixed frame II 6, the fixed frame II 6 is fixedly connected on the surface of the table top 1 and is positioned on one side of the fixed frame I5, the rotating head II 601 penetrates through the surface of the fixed frame II 6 and is connected with the fixed frame II 6 in a rotating way, one end of the sliding rod II 412 is fixedly connected with a spring I4122, one end of the spring I4122 is connected with the inside of the pedestal 3, the top of the sliding block 413 is provided with a groove II, the spacing of the two bumps 4121 is greater than the width of the fixed block 414.
When the limiting block 408 rotates to form an included angle with the top of the supporting frame I4, the sliding block 413 is pushed to slide in the direction of the fixed block 414 through contact between the spherical structure at the bottom of the limiting block 408 and the edge of the groove at the top of the sliding block 413, then the fixed block 414 is pushed to move in the direction of the sliding rod II 412 through contact between the two sides of the sliding block 413 and the arc block on the fixed block 414, then the telescopic plate I8 moves to drive the supporting frame I4 to move, and simultaneously, the fixed block 414 is in friction contact with the convex block 4121 on the sliding rod II 412, when the fixed block 414 is in contact with the convex block 4121, the intermittent pushing sliding rod II moves towards the direction of the spring I4122, the valve 4123 moves along with the sliding rod II to open the air hole 4091, then the supporting frame II 7 moves along with the telescopic plate I8 in the same direction to pull the circular plate at the inner wall of the 409, so that air pressure is generated inside the air cylinder 409, the fixed block I4 stops moving, and the distance of the sliding block 412 can be prevented from being changed to the air hole 40408 through contact with the sliding block 412 through the spring I4122 until the distance of the sliding block 412 is larger than the width of the fixed block 414, and the air hole 4121 can be prevented from being deformed to be directly contacted with one side of the air hole 4091 of the supporting frame I, and the air cylinder 409 can be prevented from being directly contacted with the air hole 408 when the sliding block 41408 is closed by the air hole and the air hole is prevented from being contacted with the air hole 4121;
when the length of the movement of the expansion plate I8 is required to be readjusted by a worker, the rotating head II 601 can be rotated anticlockwise, the gear II 604 is driven to rotate by the rotating wheel 602 and the transmission belt II 603, the gear II 604 is meshed with the top of the sliding rod I411, the sliding rod I411 is pushed to move towards the direction of the limiting block 408, the limiting block 408 is enabled to rotate anticlockwise to be withdrawn between the two clamping blocks 301 through the contact of the connecting sleeve 4111, the spherical structure at the bottom of the limiting block 408 is separated from the top of the sliding block 413, at the moment, the bottom of the sliding block 413 is deformed towards the direction of the connecting sleeve 4111 through shrinkage deformation generated by the spring II, the two side surfaces of the sliding block 413 are separated from the arc-shaped blocks on the fixed block 414, at the moment, the fixed block 414 generates expansion force to move towards the surface of the supporting frame I4 through the spring III on the fixed shaft II, at the moment, the surface of the sliding rod II loses resistance, the valve 4123 and the sliding rod II are all enabled to continuously move towards the end direction of the air hole 4091 through the spring I4122, the air hole 4091 is opened, the air inside the air cylinder 409 is discharged, the limiting block and the air inside the clamping block 301 is not clamped with the clamping block 415, the arc-shaped block is separated from the direction, the arc-shaped block is separated from the arc-shaped, the arc-shaped block is separated from the end, the arc-shaped body is separated from the arc-shaped, the arc-shaped body, the sliding plate I can be freely, the air cylinder can be moved by the length, and the length can be freely, and the distance can be flexibly adjusted, and the distance, and can be flexibly moved.
The embodiment is an adjusting method of a scissor high-altitude lifting platform, which comprises the following steps:
step 1: the scissor arms 2 are driven by a motor to rise upwards;
step 2: according to the maintenance area, the expansion plate I8 is pushed to extend outwards to one side of the table top 1, the expansion plate I8 is driven to move in the same direction while extending, and when the expansion plate I extends to a required distance, the expansion plate I8 and the support frame I4 are stopped from moving by being clamped between the two clamping blocks 301 through the limiting blocks 408;
step 3: the fixed block 414 is in friction contact with the convex block 4121 on the sliding rod II 412 when the support frame I4 moves, the sliding rod II 412 is intermittently pushed to move towards the direction of the spring I4122 to pump air from the inside of the air cylinder 409, and the length and the distance of the support frame I4 and the expansion plate I8 are fixed through air pressure;
step 4: the rotary head II 601 is rotated anticlockwise, so that the limiting block 408 rotates anticlockwise to be withdrawn between the two clamping blocks 301, the valve 4123 moves towards the end direction of the air cylinder 409 to open the air hole 4091, air in the air cylinder 409 is discharged, the limiting block 408 is not clamped with the clamping blocks 301, and the length of the support frame I4 is adjusted by discharging air in the air cylinder 409;
step 5: when not in use, the rotary head II 601 is rotated anticlockwise, the support frame I4 is continuously pushed into the pedestal 3, and the table top 1 is stored.
The embodiments of the invention disclosed above are intended only to help illustrate the invention. The examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention.
Claims (9)
1. A scissor fork high altitude lift platform, its characterized in that: the novel scissors comprise a table top (1) and scissors arms (2), wherein the table top (1) is arranged at the top of the scissors arms (2), two sides of the table top (1) are both connected with a telescopic plate I (8) in a sliding mode, the front side of the table top (1) is connected with a telescopic plate II (9) in a sliding mode, the bottom of the table top (1) is connected with a pedestal (3), the bottom of the pedestal (3) is connected with at least one scissors arm (2) in a sliding mode, and an area adjusting mechanism is arranged in the pedestal (3); the area adjusting mechanism comprises a support frame I (4) and a support frame II (7), the support frame I (4) and the support frame II (7) are respectively connected with telescopic plates I (8) on two sides of a table top (1), one ends of the support frame I (4) and the support frame II (7) are hinged with a support rod (401), the support rod (401) is obliquely arranged on two sides of one end of the support frame I (4), the top of the support rod (401) is hinged with the bottom of the telescopic plates I (8), a slot is formed in one side surface of the support frame I (4), a limit block (408) is rotationally connected to the slot position of the other end side surface of the support frame I (4) and is positioned at the inner position of a pedestal (3), two side surfaces of the limit block (408) are arranged at the slot position of the other end side surface of the support frame I (4) through a rotating shaft, a row of clamping blocks (301) are fixedly connected to the inner side surface of the pedestal (3), the clamping blocks (301) limit block (408) are used for limiting the structure of the support frame II (7) is identical to the support frame I (4), the number of the support frame I (4) and the number of the two support frames I (7) are respectively provided with sliding grooves (407) on the inner surfaces of the two sliding rods (407), the surface of the sliding toothed bar (407) is connected with a moving bar II (405) and a moving bar I (403) in a sliding manner through a sliding groove II, and the moving bar I (403) is positioned below the moving bar II (405).
2. The scissors aerial lift platform of claim 1, wherein: the automatic rotary table is characterized in that driven wheels II (417) are meshed between the ends of the moving rods I (403) and II (405), the surfaces of the driven wheels II (417) are connected with driven wheels I (402) through connecting shafts I (406), the top surfaces of the table boards (1) are connected with fixed frames I (5), the surfaces of the fixed frames I (5) are rotationally connected with rotary heads I (501), the rear surfaces of the rotary heads I (501) are connected with driving wheels (503) through connecting shafts II (502), and the driving wheels (503) are connected with the driven wheels I (402) through transmission of driving belts I (404).
3. A scissor lift platform as set forth in claim 2, wherein: the inside intermediate position rigid coupling of pedestal (3) has locking plate (101), locking plate (101) surface rigid coupling has one row of fixture block (301), gear I (102) are installed in the inside rotation of pedestal (3), slip rack (407) and gear I (102) meshing, a side meshing of support frame II (7) has gear I (102).
4. A scissor lift platform as set forth in claim 3, wherein: the inside fixedly connected with inflator (409) of pedestal (3), gas pocket (4091) has been seted up on inflator (409) one end surface, inflator (409) inside sliding connection has the push pedal, the surface rigid coupling of push pedal has push rod (410), the one end of push rod (410) and the one end surface rigid coupling of support frame I (4), the surface sliding connection of inflator (409) has valve (4123), the surface rigid coupling of valve (4123) has slide bar II (412), the surface rigid coupling of slide bar II (412) has a plurality of lugs (4121), the fluting department sliding connection of support frame I (4) has slider (413), one side of support frame I (4) is run through there is fixed block (414).
5. The scissors aerial lift platform of claim 4, wherein: the utility model discloses a fixed axle, including fixed block (414) and support frame, lug (4121) and fixed block (414) are equipped with a plurality of recess I on the surface, a side and being located the fluting of fixed block (414) are fixed with the arc piece, the arc piece passes through fixed axle II and the surface connection of fixed block (414), spout I (416) have all been seted up to the both sides wall of support frame I (4), sliding connection has slide bar I (411) in spout I (416), the one end rigid coupling of slide bar I (411) has fixed axle I (4112), the surface cover of fixed axle I (4112) has adapter sleeve (4111).
6. The scissors aerial lift platform of claim 5, wherein: the utility model discloses a sliding rod, including sliding rod I (411), sliding rod II (604) top meshing has gear II (603), gear II (603) top cover has swiveling wheel (602), swiveling wheel (602) surface has swivel head II (601) through connecting axle III rigid coupling, swivel head II (601) is installed through fixed frame II (6), fixed frame II (6) fixed connection is on the surface of mesa (1) and is located one side of fixed frame I (5), swivel head II (601) runs through the surface of fixed frame II (6) and rotates with fixed frame II (6) to be connected, the one end rigid coupling of sliding rod II (412) has spring I (4122), the internal connection of one end and pedestal (3) of spring I (4122), recess II is seted up at slider (413) top, slider (413) bottom is provided with spring II (415).
7. The scissors aerial lift platform of claim 6, wherein: the push plate is a circular plate and is in seamless contact with the inner wall of the air cylinder (409), a spring III is sleeved on the surface of the fixed shaft II, and the distance between the two protruding blocks (4121) is larger than the width of the fixed block (414).
8. The scissors aerial lift platform of claim 7, wherein: the table top (1) is in a convex structure, a pressure spring is arranged between two sides of the limiting block (408) and the rotating shaft, and the limiting block (408) is clamped between the two clamping blocks (301).
9. A method of adjusting a scissor lift platform as defined in claim 8, wherein: it comprises the following steps:
step 1: the scissor arm (2) is driven by a motor to rise upwards;
step 2: according to the maintenance area, the expansion plate I (8) is pushed to extend outwards to one side of the table top (1), the expansion plate I (8) is driven to move in the same direction while extending, and when the expansion plate I (8) extends to a required distance, the expansion plate I (8) and the support frame I (4) are stopped from moving between the two clamping blocks (301) through the clamping blocks (408);
step 3: the support frame I (4) moves and simultaneously the fixed block (414) is in friction contact with the convex block (4121) on the sliding rod II (412), the sliding rod II (412) is intermittently pushed to move towards the direction of the spring I (4122) to pump air in the air cylinder (409), and the length and the distance of the movement of the support frame I (4) and the expansion plate I (8) are fixed through air pressure;
step 4: the rotary head II (601) is rotated anticlockwise, so that the limiting block (408) rotates anticlockwise and retreats between the two clamping blocks (301), the valve (4123) moves towards the end part direction of the air cylinder (409) to open the air hole (4091), air in the air cylinder (409) is discharged, the limiting block (408) is not clamped with the clamping blocks (301), and the length of the support frame I (4) is adjusted through air discharge in the air cylinder (409);
step 5: when not in use, the rotary head II (601) is rotated anticlockwise, the support frame I (4) is continuously pushed to the inside of the pedestal (3), and the table top (1) is stored.
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| CN202211198577.9A CN115490190B (en) | 2022-09-29 | 2022-09-29 | Scissor fork high-altitude lifting platform and adjusting method thereof |
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| CA1122423A (en) * | 1978-04-04 | 1982-04-27 | Darrell L. Evans | Self-contained offshore platform |
| SE437636B (en) * | 1979-12-28 | 1985-03-11 | Soederstroem Berry | VEHICLES, EQUIPPED WITH A TURNTED OR TURNABLE HALLERY FOR PREPARING A WORKING TOOL |
| EP3564476B1 (en) * | 2018-04-30 | 2021-02-24 | Sandvik Mining and Construction Oy | Drilling boom and rock drilling rig |
| CN109368562A (en) * | 2018-11-14 | 2019-02-22 | 黄钦英 | A kind of scissor-type tunnel top maintenance platform that working range is adjusted flexibly |
| CN209193466U (en) * | 2018-11-21 | 2019-08-02 | 苏州望亭凯乐特起升机械有限公司 | A kind of elevator with platform extension function |
| CN211310733U (en) * | 2019-05-31 | 2020-08-21 | 泰州市辉烽常盛机械设备有限公司 | Scissor self-walking elevator capable of finely adjusting width of table board |
| CN212559297U (en) * | 2020-05-28 | 2021-02-19 | 刘建 | Automobile repair maintains lift platform |
| CN215468672U (en) * | 2021-05-23 | 2022-01-11 | 齐鲁师范学院 | Auxiliary welding device for extended bedplate for physical experiment |
| CN215208337U (en) * | 2021-07-29 | 2021-12-17 | 河南江河特种车辆科技有限公司 | Remote intelligent control's electronic fork operation platform of cutting |
| CN217437642U (en) * | 2022-01-11 | 2022-09-16 | 济南斯特莱机械有限公司 | Stable structure of scissor lift |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105000512A (en) * | 2015-07-23 | 2015-10-28 | 浙江鼎力机械股份有限公司 | Scissors aerial work platform with railing door allowing user to enter easily |
| CN106006488A (en) * | 2016-08-02 | 2016-10-12 | 张铁海 | Aerial work platform |
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