CN115949220B - Convenient scaffold device that need not liftable of power encorbelments - Google Patents

Abstract

The invention relates to the technical field of scaffolds, and particularly discloses a convenient scaffold device capable of lifting and overhanging without a power supply, which comprises a support frame body, a lifting mechanism positioned in the middle part and an operation platform positioned at the upper part; the support frame body comprises four support rods, loop bars are sleeved on the top of the outer walls of the support rods, and the operation platform is arranged on the top of the outer walls of the four loop bars; the lifting mechanism comprises fixing rods arranged on two sides of a support frame body, the inner threads of the fixing rods are connected with screw rods, the top parts of the fixing rods are rotatably connected with first bevel gears through bearings, the screw rods are in threaded connection with the first bevel gears, the lifting mechanism can freely lift and perform effective multiple locking fixation, the problem of inconvenient lifting of the traditional scaffold is avoided, the power supply can be avoided, the energy is saved, the maintenance frequency possibly occurring in the later period is reduced, compared with the maintenance of related problems caused by the power supply, the lifting mechanism is simpler and more convenient, the energy-saving and environment-friendly effects are achieved, and the feeding is convenient.

Description

Convenient scaffold device that need not liftable of power encorbelments

Technical Field

The invention relates to the technical field of scaffolds, in particular to a convenient scaffold device capable of lifting and overhanging without a power supply.

Background

Along with the development trend of modern construction in China, a large number of residences and office buildings exceeding the traditional floor height appear, and the traditional fastener type steel pipe scaffold has the characteristics of high construction speed, short construction period, low cost on the premise of meeting the requirements of safety and quality in the current construction industry because of heavy weight, low mounting and dismounting efficiency, more construction operators, easiness in being influenced by rain and snow weather corrosion and the like.

Although the common aluminum alloy scaffold is simple and convenient to install and detach, the standard section height is relatively fixed, and is usually 2m, so that the problem of overhigh construction difficulty is not reduced and increased easily at different positions when the standard section is lifted and added, the on-site construction requirement is difficult to meet when the height of the operation frame is adjusted, the flexibility is poor, and the construction efficiency is seriously affected. The traditional movable scissor overhead operation vehicle cannot meet the requirements of free transfer construction between an upper floor and a lower floor due to the large dead weight size, has high manufacturing cost, needs to rely on a power supply to maintain mechanical operation in daily work, increases the cost, is complex to operate, is difficult to operate when power is off, seriously affects the construction efficiency, increases hidden troubles of maintenance and power consumption, increases the safety management and control risk, and consumes energy; and the feeding is generally carried out by pulling the charging barrel upwards through the pull rope, then the charging barrel is held by a hand to be taken out, the weight is heavy, and the labor is wasted.

The convenient scaffold which does not need a power supply and can lift and cantilever is provided by the invention, so that the convenient construction device which does not need a power supply, has different heights, can be used for construction inside and outside a building and is convenient for feeding is satisfied.

Disclosure of Invention

Aiming at the problems existing in the prior art, the invention aims to solve the technical problems that: it is difficult to carry out effective locking when adjusting the operation frame height to satisfy on-the-spot construction demand, the flexibility is relatively poor.

In order to solve the technical problems, the invention adopts the following technical scheme: the invention provides a convenient scaffold device capable of lifting and overhanging without a power supply, which comprises a support frame body, a lifting mechanism positioned in the middle part and an operation platform positioned at the upper part;

the support frame body comprises four support rods, loop bars are sleeved on the top of the outer walls of the support rods, the operation platform is arranged on the top of the outer walls of the four loop bars, universal wheels are fixedly arranged at the bottoms of the four support rods, and the outer walls of the four loop bars are fixed by reinforcing rods in pairs, so that the whole scaffold can be conveniently moved;

the lifting mechanism comprises fixing rods arranged on two sides of a supporting frame body, screw rods are connected to the inner threads of the fixing rods, first bevel gears are connected to the tops of the fixing rods in a rotating mode through bearings, the tops of the screw rods penetrate through the first bevel gears, the screw rods are connected with the first bevel gears in a threaded mode, second bevel gears are meshed with the first bevel gears, the two second bevel gears are fixed through connecting shafts, and one second bevel gear is fixedly connected with a rotating handle through a shaft; and a locking mechanism for controlling the operation platform to move is arranged between the two loop bars positioned on the same side, and a pulling assembly is further arranged on the lifting mechanism, and the locking mechanism is driven by the pulling assembly.

The invention is further provided with: the two ends of the connecting shaft are all rotated to penetrate through two sides of the supporting seat, the two ends of the connecting shaft are fixedly connected with corresponding second bevel gears, and the four sleeve rods are fixed by the reinforcing plates.

The invention is further provided with: the utility model discloses a dead lock mechanism, including the dead lock mechanism, the dead lock mechanism is provided with the dead lock, the dead lock is provided with the dead lock with the fixed mounting box of dead lock outer wall, the inside both sides of mounting box all activity are provided with the gag lever post, be provided with the pressing mechanism that control gag lever post removed on the mounting box, gag lever post and dead lock looks adaptation.

The invention is further provided with: the pressing mechanism comprises two triangular limiting blocks, a first spring, a U-shaped extrusion workpiece and a pressing head, wherein the two triangular limiting blocks are respectively fixed at the positions of the outer walls of the two limiting rods, which are close to each other, the U-shaped extrusion workpiece is matched with the two triangular limiting blocks, the first spring is fixed between the triangular limiting blocks, the pressing head is fixed on the outer wall of the U-shaped extrusion workpiece, and the pressing head is sleeved with a second spring through the part of the installation box.

The invention is further provided with: the pulling assembly comprises two extrusion blocks which are arranged on the outer walls of the two ends of the supporting seat in a sliding manner, the end face of the pressure head is fixed with a T-shaped block which is matched with the extrusion blocks, the outer walls of the extrusion blocks are fixed with pulling frames, two pulling frames are fixed with holding rods at one ends, far away from the extrusion blocks, of the pulling frames, and the holding rods are located on one side of the rotating handle.

The invention is further provided with: two connecting rods are fixed between the pulling frames, the two connecting rods are respectively clung to the top outer wall and the bottom outer wall of the supporting seat, a notch embedded at the edge of the supporting seat is formed in one end, close to the supporting seat, of the extrusion block, a mounting opening is formed in the top of the supporting seat, the two connecting rods are fixed through a mounting plate, a third spring with one end connected with the inner side wall of the mounting opening is arranged in the mounting opening, and the other end of the third spring is fixed on the outer wall of the mounting plate.

Before hand change the handle and make the connecting axle drive the second helical gear rotation, need the pulling holding rod, make two extrusion pieces of two pulling frame pulling move at the supporting seat edge, when the extrusion piece removes, can contact T shape piece, and extrude T shape piece gradually, make the second spring shrink, and cause U-shaped extrusion work piece to remove, make the gag lever post of connecting on two triangle stopper break away from spacing hole, four gag lever posts all break away from corresponding spacing hole simultaneously, under this condition, can realize the altitude mixture control of above-mentioned operation panel, altitude mixture control finishes, loosen the holding rod, at this moment, owing to be provided with the third spring in the installing port, and the other end of third spring is fixed on the mounting panel, the third spring is not atress and is reset, order about extrusion piece to resume the normal position, thereby make the second spring release, T shape piece resume normal position, two gag lever posts that are located same installation box keep away from each other under the effect of first spring, form the fixed to spacing hole, can carry out quick stable locking to the loop bar after the adjustment height.

The invention is further provided with: the outer wall of connecting axle is fixed with the fixed disk, fixed disk outer wall equidistance leaves and is equipped with the jack, one of them the outer wall of extrusion piece is fixed with inserts the dish, the outer wall of inserting the dish is fixed with the inserted bar with the jack adaptation. When not adjusting the height, carry out the safety lock and die, strengthen the stable effect after the altitude mixture control, when pulling two pulling framves and remove, the extrusion piece removes and can make the inserted link of fixing on the extrusion piece keep away from the fixed disk and remove, the inserted link breaks away from the jack, breaks away from spacingly, when unclamping the holding rod, under the extrusion effect of third spring and T shape piece to the extrusion piece, make the extrusion piece reset, the fixed inserted link of inserted link outer wall inserts the jack of fixed disk outer wall.

The invention is further provided with: the operation platform comprises connecting discs fixed on the outer wall of the loop bar, mounting bars are fixed between every two connecting discs, and a first cantilever plate is fixed between four mounting bars.

The invention is further provided with: the cantilever mechanism is further arranged on one side of the operation platform and comprises two round rods and four cylinder rods which are fixed, and a second cantilever plate is fixed between the four cylinder rods.

The invention is further provided with: and the two loop bars and the two round bars close to the cantilever mechanism are fixed through the stay bars. On the premise of ensuring safety, the cantilever mechanism can be additionally arranged on the self, and can be disassembled and retracted when not needed, thereby meeting the construction requirements of building facades.

The invention is further provided with: the top of two loop bars of mechanism one side of encorbelmenting is kept away from installs same material loading subassembly, material loading subassembly is including fixing the installation piece at two loop bars tops, two the equal rotation of side in opposite directions of installation piece is connected with the axis of rotation, two be fixed with same wind-up roll between the axis of rotation, two the equal fixed cover of axis of rotation outer wall is equipped with the reel.

The invention is further provided with: the two opposite side surfaces of the mounting block are respectively connected with a connecting column in a rotating mode, the same L-shaped bearing plate is fixed between the two connecting columns, and notches corresponding to the two rolling discs are formed in two sides of the L-shaped bearing plate.

The invention is further provided with: the outer walls of the rotating shaft and the connecting column which are positioned on the same side are fixedly sleeved with driving wheels, the two driving wheels positioned on the same side are connected through a driving belt, and a baffle rod which is close to the outer wall of the L-shaped bearing plate is fixed on the outer wall of one mounting block.

Compared with the prior art, the invention has at least the following advantages:

1. the invention can freely lift and effectively lock and fix, the problem of inconvenient lifting of the traditional scaffold is avoided, the hand crank rotating handle enables the connecting shaft to drive the second bevel gears to rotate, under the action of the connecting shaft, the two second bevel gears rotate on the supporting seat, screw threads are arranged in the fixing rod, when the first bevel gear is driven by the driving force, the screw rod can move up and down, the height of the operating platform is convenient for a worker to adjust, before the adjustment, the holding rod needs to be pulled, the two pulling frames pull the two extrusion blocks to move at the edge of the supporting seat, when the extrusion blocks move, the T-shaped blocks can be contacted, the T-shaped blocks are gradually extruded, the second springs shrink, the U-shaped extrusion workpieces are enabled to move, the limit rods of the two triangular limiting blocks are enabled to be separated from the limit holes, the four limit rods are enabled to be simultaneously separated from the corresponding limit holes, then the hand crank rotating handle enables the connecting shaft to drive the second bevel gears to rotate, the first bevel gears are enabled to move up and down due to the driving force from the second bevel gears, the trend of the screw rod is convenient for the workers to adjust the height of the operating platform, the holding rod needs to pull the holding rod, the holding rod is enabled to pull the two extrusion blocks to move at the edge of the supporting seat, the T-shaped blocks can contact the T-shaped blocks, when the extrusion blocks move at the T-shaped blocks can be contacted with the limit rods, the T-shaped limiting blocks can be reset at the same place, and the two extrusion blocks can be in the same place, and stable position can be released and fixed in the position, and at the position, and can be located at the position and at the position, and stable position, and reset position, and can be located at the position and reset position, and reset to the limit blocks.

2. The invention can avoid using power supply and save energy by hand-operated adjusting mode, and in addition, the invention realizes the adjustment of the height of the scaffold by smart mechanical transmission, and compared with the problem caused by power supply, the invention has simpler maintenance and achieves the effects of energy conservation and environmental protection.

3. The portable scaffold device provided by the invention can be disassembled and retracted when not needed, so that the construction requirement of the building facade can be met, the construction quality of the facade is improved, the operation platform comprises the connecting discs fixed on the outer walls of the loop bars, the mounting bars are fixed between every two connecting discs, the first cantilever plate is fixed between the four mounting bars, the cantilever mechanism is further arranged on one side of the operation platform, the cantilever mechanism comprises two loop bars and four mounting bars for fixing, the second cantilever plate is fixed between the four mounting bars, the two loop bars close to the cantilever mechanism and the two loop bars are fixed through the supporting bars, and the cantilever mechanism can be additionally arranged on the premise of ensuring safety.

4. According to the invention, when the winding roller and the winding disc rotate, the connecting column and the L-shaped bearing plate rotate under the action of the driving wheel and the driving belt, when the paint hanging cylinder moves upwards, the L-shaped bearing plate is far away from the winding roller under the action of the driving wheel and the driving belt, so that the paint hanging cylinder moves upwards, meanwhile, the baffle rod can block the L-shaped bearing plate, the driving belt slides on the driving wheel to prevent the L-shaped bearing plate from excessively rotating, and when the paint hanging cylinder is hung on a scaffold, the winding roller is rotated, so that the L-shaped bearing plate reversely rotates, and the bottom of the L-shaped bearing plate can be positioned on the outer wall of the paint hanging cylinder to support, so that the paint hanging cylinder is convenient to take.

Drawings

Fig. 1 is a schematic perspective view of a portable scaffold device with liftable overhanging without power supply according to the present invention;

fig. 2 is a schematic view of a first partial three-dimensional structure of a portable scaffold device with lifting overhanging and without power supply according to the present invention;

fig. 3 is a schematic view of a second partial three-dimensional structure of a portable scaffold device with liftable overhanging and without power supply according to the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 of a portable scaffold device with lifting overhanging and without power supply according to the present invention;

fig. 5 is a schematic diagram of a partial top view structure of a portable scaffold device with no need of power supply and lifting overhanging;

fig. 6 is a schematic drawing of a pulling assembly of a portable scaffold device with lifting cantilever without power supply according to the present invention;

fig. 7 is a schematic view of a partial three-dimensional structure of a locking mechanism of a portable scaffold device with lifting overhanging and without power supply according to the present invention;

fig. 8 is a schematic side view structure of a portable scaffold device with lifting cantilever without power supply according to the present invention;

fig. 9 is a schematic structural diagram of a feeding assembly of a portable scaffold device with no need of a power supply and capable of lifting and overhanging.

In the figure: 1. a support rod; 2. a loop bar; 3. a bearing plate; 4. a lifting mechanism; 401. a fixed rod; 402. a screw; 403. a first helical gear; 404. a second helical gear; 405. a connecting shaft; 406. a support base; 5. a locking mechanism; 501. a mounting box; 502. a pressure head; 503. u-shaped extrusion work piece; 504. a limit rod; 505. a triangular limiting block; 506. a first spring; 6. pulling the assembly; 601. pulling the frame; 602. extruding a block; 603. a grip; 604. a connecting rod; 605. a mounting plate; 606. a T-shaped block; 7. a fixed plate; 8. a jack; 9. inserting a disc; 10. a second spring; 11. a connecting disc; 12. a mounting rod; 13. a first cantilever plate; 14. a cantilever mechanism; 15. a limiting hole; 16. a mounting port; 17. a third spring; 18. a brace rod; 19. a feeding assembly; 20. a mounting block; 21. a rotating shaft; 22. a wind-up roll; 23. a reel; 24. a connecting column; 25. an L-shaped bearing plate; 26. a notch; 27. a driving wheel; 28. a transmission belt; 29. a gear lever; 30. a round bar; 31. a cylinder rod.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Embodiment one:

referring to fig. 1 to 8, a portable scaffold device capable of lifting and overhanging without a power supply comprises a support frame body, a lifting mechanism 4 positioned in the middle and an operation platform positioned at the upper part.

The support frame body includes four bracing pieces 1, and the outer wall top cover of bracing piece 1 is equipped with loop bar 2, and operating platform sets up at the top of four loop bars 2, and the equal fixed mounting in bottom of four bracing pieces 1 has the universal wheel, fixes through the stiffener between the outer wall of four loop bars 2 two by two, and the removal of whole scaffold frame of being convenient for.

The lifting mechanism 4 comprises a fixed rod 401 arranged at two sides of a supporting frame body, a screw rod 402 is connected to the inside of the fixed rod 401 in a threaded manner, a first bevel gear 403 is connected to the top of the fixed rod 401 in a rotating manner through a bearing, the top of the screw rod 402 penetrates through the first bevel gear 403, the screw rod 402 is connected with the first bevel gear 403 in a threaded manner, a second bevel gear 404 is meshed with the first bevel gear 403, the two second bevel gears 404 are fixed through a connecting shaft 405, and a rotating handle is fixed to one of the two second bevel gears 404 through a shaft; and a locking mechanism 5 for controlling the operation platform to move is arranged between the two loop bars 2 positioned at the same end, a pulling assembly 6 is further arranged on the lifting mechanism 4, and the locking mechanism 5 is driven by the pulling assembly 6.

When height-adjusting, the manual handle of staff makes connecting axle 405 drive second helical gear 404 and rotates, under connecting axle 405's effect, and two second helical gears 404 rotate on supporting seat 406, and second helical gear 404 drives rather than the first helical gear 403 of meshing rotates, because screw rod 402 and first helical gear 403 threaded connection, and screw rod 402 screw thread setting is in the inside of dead lever 401, when first helical gear 403 receives the actuating force, can make screw rod 402 produce the trend of reciprocating, and its upward movement and downward movement lie in the difference of pivoted direction, the staff of being convenient for adjusts the height of operation panel.

Specifically, be fixed with same bearing plate between two bracing pieces that are located the homonymy, the dead lever bottom is fixed at the top of bearing plate, two the outer wall of dead lever is fixed with same supporting seat, the both ends of connecting axle all rotate the both sides that pass the supporting seat, and the both ends and the second helical gear fixed connection that correspond of connecting axle.

The four loop bars 2 are fixed by the reinforcing plate. The support of the fixing bar 401 is reinforced by the bearing plates 3, and the four reinforcing plates increase the stability between the loop bars 2.

Specifically, spacing hole has been seted up to the outer wall of loop bar and the outer wall equal distance of bracing piece, locking mechanism includes the mounting box fixed with the loop bar outer wall, the inside both sides of mounting box all activity are provided with the gag lever post, be provided with the pressing mechanism that control gag lever post removed on the mounting box, gag lever post and spacing hole looks adaptation. The pressing mechanism comprises two triangular limiting blocks, a first spring, a U-shaped extrusion workpiece and a pressing head, wherein the two triangular limiting blocks are respectively fixed at the positions of the outer walls of the two limiting rods, which are close to each other, the U-shaped extrusion workpiece is matched with the two triangular limiting blocks, the first spring is fixed between the triangular limiting blocks, the pressing head is fixed on the outer wall of the U-shaped extrusion workpiece, and the pressing head is sleeved with a second spring through the part of the installation box.

Under the action of the pulling component 6, the U-shaped extrusion workpiece 503 moves, so that the limiting rods 504 connected to the two triangular limiting blocks 505 are separated from the corresponding limiting holes 15, the four limiting rods 504 are simultaneously separated from the corresponding limiting holes 15, the height adjustment of the operating platform can be realized at the moment, then the mounting plate 605 is fixed through the third spring 17, the third spring 17 is not stressed to reset, the extrusion block 602 is driven to restore to the original position, the second spring 10 is released, and the T-shaped block 606 is restored to the original position.

Specifically, the pulling assembly 6 comprises two extrusion blocks which are arranged on the outer walls of two ends of the supporting seat in a sliding manner, a T-shaped block 606 which is matched with the extrusion block 602 is fixed on the end face of the pressing head 502, a second spring 10 is sleeved on the part, located outside the mounting box 501, of the pressing head 502, a pulling frame 601 is fixed on the outer wall of the extrusion block 602, a holding rod 603 is fixed on one end, away from the extrusion block 602, of the two pulling frames 601, the holding rod 603 is located on one side of the rotating handle, two connecting rods 604 are fixed between the two pulling frames 601, the two connecting rods 604 are respectively tightly attached to the outer wall of the top of the supporting seat 406 and the outer wall of the bottom of the supporting seat, a notch which is embedded on the edge of the supporting seat 406 is formed in one end, close to the supporting seat 406, of the supporting seat 406 is provided with a mounting opening 16, the two connecting rods 604 are fixed through a mounting plate 605, the two ends of the inner wall of the mounting opening 16 are both fixed with a third spring 17, and the other end of the third spring 17 is fixed on the outer wall of the mounting plate 605.

Before the connecting shaft drives the second bevel gear 404 to rotate by hand crank, the holding rod 603 needs to be pulled, so that the two pulling frames 601 pull the two extrusion blocks 602 to move at the edge of the supporting seat 406, when the extrusion blocks 602 move, the extrusion blocks 606 can be contacted with the T-shaped blocks 606 and gradually extrude the T-shaped blocks 606, the second springs 10 shrink and enable the U-shaped extrusion workpieces 503 to move, the limiting rods 504 connected to the two triangular limiting blocks 505 are separated from the limiting holes 15, the four limiting rods 504 are simultaneously separated from the corresponding limiting holes 15, under the condition, the height adjustment of the operating platform can be realized, the holding rod 603 is released after the height adjustment is finished, at the moment, because the third springs 17 are arranged in the mounting openings 16, the other ends of the third springs 17 are fixed on the mounting plates 605, the third springs 17 are not stressed to reset, the extrusion blocks 602 are driven to restore the original positions, the second springs 10 are released, the T-shaped blocks 606 restore the original positions, the two limiting rods 504 positioned in the same mounting box 501 are mutually separated from each other under the action of the first springs 506, and the fixing of the limiting holes 15 can be quickly locked, and the sleeve 2 can be quickly locked after the height adjustment is completed.

Specifically, the outer wall of the connecting shaft 405 is fixed with a fixed disk 7, the outer wall of the fixed disk 7 is equidistantly separated from a jack 8, the outer wall of one of the extrusion blocks 602 is fixed with an inserting disk 9, and the outer wall of the inserting disk 9 is fixed with an inserting rod matched with the jack 8.

When two pulling frames 601 are pulled to move, the extrusion block 602 moves to enable the inserting disc 9 fixed on the extrusion block 602 to move away from the fixed disc 7, the inserting rod is separated from the inserting hole 8 and limited, when the holding rod 603 is released, the extrusion block 602 is reset under the extrusion action of the third spring 17 and the T-shaped block 606 on the extrusion block 602, the inserting rod fixed on the outer wall of the inserting disc 9 is inserted into the inserting hole 8 on the outer wall of the fixed disc 7, further locking and fixing are achieved, safety locking is carried out when the height is not adjusted, and the stabilizing effect after height adjustment is enhanced.

Specifically, the operation platform comprises a connecting disc 11 fixed on the outer wall of the loop bar 2, mounting bars 12 are fixed between every two connecting discs 11, and a first cantilever plate 13 is fixed between four mounting bars 12. The cantilever mechanism 14 is further installed on one side of the operation platform, the cantilever mechanism 14 comprises two round rods 30 and four fixed barrel rods 31, and a second cantilever plate is fixed between the four barrel rods 31. The two loop bars 2 and the two round bars 30 close to the cantilever mechanism 14 are fixed through the stay bars 18.

The cantilever mechanism 14 can be additionally arranged on the premise of ensuring safety, and can be disassembled and retracted when not needed, so that the construction requirement of the building outer elevation is met, and the construction quality of the outer elevation is improved.

Embodiment two:

referring to fig. 1 and 9, the same feeding assembly 19 is installed at the top of two loop bars 2 far away from one side of the cantilever mechanism 14, the feeding assembly 19 comprises a mounting block 20 for fixing the top of two loop bars 2, one side of each of the two mounting blocks 20, which is close to each other, is rotatably connected with a rotating shaft 21, the same winding roller 22 is fixed between the two rotating shafts 21, and winding drums 23 are fixedly sleeved on the outer walls of the two rotating shafts 21. The construction paint cartridge is scraped onto the hook of the rope and the take-up reel 23 is manually rotated by a worker. The reel 23 enables the rotation shaft 21 and the wind-up roller 22 to rotate, facilitating the lifting of the paint cartridge onto the scaffold.

Specifically, two the side that the installation piece is opposite all rotates and is connected with the spliced pole, two be fixed with same L shape loading board between the spliced pole, the notch that corresponds two rolling coils has all been seted up to the both sides of L shape loading board. The outer walls of the rotating shaft and the connecting column which are positioned on the same side are fixedly sleeved with driving wheels, the two driving wheels positioned on the same side are connected through a driving belt, and a baffle rod which is close to the outer wall of the L-shaped bearing plate is fixed on the outer wall of one mounting block.

By using the additionally arranged L-shaped bearing plate 25, when the winding roller 22 and the winding disc 23 rotate, under the action of the driving wheel 27 and the driving belt 28, the connecting column 24 and the L-shaped bearing plate 25 can rotate, when the paint cartridge is lifted up, the L-shaped bearing plate 25 is far away from the winding roller 22 under the action of the driving wheel 27 and the driving belt 28, so that the paint cartridge is convenient to move up, meanwhile, the L-shaped bearing plate 25 can be blocked by the blocking rod 29, the driving belt 28 slides on the driving wheel 27, the L-shaped bearing plate 25 is prevented from excessively rotating, when the paint cartridge is lifted onto a scaffold, the winding roller 22 is rotated, the L-shaped bearing plate 25 is reversely rotated, the bottom of the L-shaped bearing plate 25 can be positioned on the outer wall of the paint cartridge to support, and the L-shaped bearing plate 25 is controlled not to deflect, so that the paint cartridge is convenient to take.

Working principle: when in use, the whole scaffold is moved to a position needing to work, the locking universal wheels are fixed, firstly, the height is adjusted according to the working requirement, when the height is adjusted, a worker rotates the connecting shaft by hand, so that the second bevel gears 404 are driven to rotate by the connecting shaft 405, under the action of the connecting shaft 405, the two second bevel gears 404 rotate on the supporting seat 406, the second bevel gears 404 drive the first bevel gears 403 meshed with the second bevel gears to rotate, as the screw 402 is in threaded connection with the first bevel gears 403, and the screw 402 is arranged in the fixing rod 401, when the first bevel gears 403 are driven by the driving force, the screw 402 generates a trend of moving up and down, the upward and downward movements of the trend are different in the rotating direction, so that the worker can conveniently adjust the height of the operating platform, before the adjustment, namely before the connecting shaft drives the second bevel gears 404 to rotate by the hand, the holding rod 603 needs to be pulled, so that the two pulling frames 601 pull the two extrusion blocks 602 to move at the edge of the supporting seat 406, when the extrusion blocks 602 move, the two extrusion blocks 602 can contact the T-shaped blocks 606 and gradually extrude the T-shaped blocks 606, the second springs 10 shrink and cause the U-shaped extrusion workpieces 503 to move, the limiting rods 504 connected to the two triangular limiting blocks 505 are separated from the limiting holes 15, and the four limiting rods 504 are simultaneously separated from the corresponding limiting holes 15, in this case, the connecting shaft 405 drives the second bevel gear 404 to rotate by the hand crank, the first bevel gear 403 receives the driving force from the second bevel gear 404, the screw 402 generates a trend of moving up and down, the height adjustment of the operating platform can be realized, after the height adjustment is finished, the holding rod 603 is released, at this time, because the third springs 17 are arranged in the mounting holes 16, the mounting plate 605 is fixed by the third springs 17, the third springs 17 are not reset under the stress, the extrusion block 602 is driven to restore to the original position, so that the second spring 10 is released, the T-shaped block 606 is restored to the original position, the two limiting rods 504 positioned in the same mounting box 501 are mutually far away under the action of the first spring 506, the limiting holes 15 are fixed, and the loop bar 2 after the height is adjusted can be quickly and stably locked.

Further, the outer wall of the connecting shaft 405 is fixed with the fixed disk 7, the fixed disk 7 outer wall equidistance leaves and is equipped with jack 8, the outer wall of one of them extrusion piece 602 is fixed with the inserted link 9, the outer wall of inserted link 9 is fixed with the inserted link with jack 8 adaptation, when pulling two pulling frame 601 removal, the extrusion piece 602 removes and can make the inserted link 9 of fixing on extrusion piece 602 keep away from fixed disk 7 and remove, the inserted link breaks away from jack 8, break away from spacingly, when loosening holding rod 603, under the extrusion effect of third spring 17 and T shape piece 606 to extrusion piece 602, make extrusion piece 602 reset, the fixed inserted link of inserted link 9 outer wall inserts the jack 8 of fixed disk 7 outer wall, realize further locking fixedly, when not adjusting the height, carry out the safety lock, strengthen the stable effect after the altitude mixture control.

Furthermore, the cantilever mechanism 14 can be additionally arranged on the premise of ensuring safety, and can be disassembled and retracted when not needed, so that the construction requirement of the building outer elevation is met, and the construction quality of the outer elevation is improved.

The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a need not convenient scaffold frame device that power liftable encorbelmented, includes support frame body, elevating system (4) that are located the middle part and is located the operation platform of upper portion, its characterized in that;

the support frame body comprises four support rods (1), sleeve rods (2) are sleeved on the tops of the outer walls of the support rods (1), the operating platform is arranged at the tops of the four sleeve rods (2), universal wheels are fixedly arranged at the bottoms of the four support rods (1), and the four sleeve rods (2) are fixed by reinforcing rods;

the lifting mechanism (4) comprises fixing rods (401) arranged on two sides of a supporting frame body, screw rods (402) are connected with the inner threads of the fixing rods (401), first bevel gears (403) are rotatably connected to the tops of the fixing rods (401) through bearings, the tops of the screw rods (402) penetrate through the first bevel gears (403), the screw rods (402) are in threaded connection with the first bevel gears (403), second bevel gears (404) are meshed with the first bevel gears (403), the two second bevel gears (404) are fixed through connecting shafts (405), and one second bevel gear (404) is fixedly connected with a rotating handle through a shaft;

a locking mechanism (5) for controlling the operation platform to move is arranged between the two loop bars (2) positioned on the same side, a pulling assembly (6) is further arranged on the lifting mechanism (4), and the locking mechanism (5) is driven by the pulling assembly (6);

limiting holes (15) are formed in the outer wall of the loop bar (2) and the outer wall of the supporting bar (1) at equal intervals, the locking mechanism (5) comprises an installation box (501) fixed with the outer wall of the loop bar (2), limiting bars (504) are movably arranged on two sides of the inside of the installation box (501), a pressing mechanism for controlling the limiting bars (504) to move is arranged on the installation box (501), and the limiting bars (504) are matched with the limiting holes (15);

the pressing mechanism comprises two triangular limiting blocks (505), a first spring (506), a U-shaped extrusion workpiece (503) and a pressing head (502), wherein the two triangular limiting blocks (505) are respectively fixed at the positions of the outer walls of the two limiting rods (504) which are close to each other, the U-shaped extrusion workpiece (503) is matched with the two triangular limiting blocks (505), the first spring (506) is fixed between the two triangular limiting blocks (505), the pressing head (502) is fixed on the outer wall of the U-shaped extrusion workpiece (503), and a part of the pressing head (502) penetrating through the mounting box (501) is sleeved with a second spring (10);

pulling subassembly (6) are including sliding two extrusion piece (602) that set up at supporting seat (406) both ends outer wall, the terminal surface of pressure head (502) is fixed with T shape piece (606) with extrusion piece (602) looks adaptation, the outer wall of extrusion piece (602) is fixed with pulling frame (601), two pulling frame (601) keep away from the one end of extrusion piece (602) and are fixed with holding rod (603), and holding rod (603) are located one side of changeing the handle.

2. The portable scaffold device without power supply lifting overhanging according to claim 1, characterized in that the same bearing plate (3) is fixed between two supporting rods (1) positioned on the same side, the bottoms of the fixing rods (401) are fixed at the top of the bearing plate (3), the outer walls of the two fixing rods (401) are fixed with the same supporting seat (406), two ends of the connecting shaft (405) rotate to penetrate through two sides of the supporting seat (406), and two ends of the connecting shaft (405) are fixedly connected with the corresponding second bevel gears (404).

3. The portable scaffold device without power supply liftable overhanging according to claim 1 or 2, characterized in that two connecting rods (604) are fixed between two pulling frames (601), the two connecting rods (604) are respectively clung to the top outer wall and the bottom outer wall of a supporting seat (406), a notch embedded at the edge of the supporting seat (406) is formed at one end of an extrusion block (602) close to the supporting seat (406), a mounting opening (16) is formed at the top of the supporting seat (406), the two connecting rods (604) are fixed through a mounting plate (605), a third spring (17) with one end connected with the inner side wall of the mounting opening (16) is arranged in the mounting opening (16), and the other end of the third spring (17) is fixed on the outer wall of the mounting plate (605).

4. A portable scaffold device without power supply liftable overhanging according to claim 3, characterized in that the outer wall of the connecting shaft (405) is fixed with a fixed disc (7), the outer wall of the fixed disc (7) is equidistantly separated from the outer wall of the fixed disc (7) and is provided with a jack (8), one outer wall of the extrusion block (602) is fixed with a plug disc (9), and the outer wall of the plug disc (9) is fixed with a plug rod matched with the jack (8).

5. The portable scaffold device free of lifting overhanging by a power supply according to claim 4, wherein the operation platform comprises connecting discs (11) fixed on the outer wall of a loop bar (2), mounting bars (12) are fixed between every two connecting discs (11), and first overhanging plates (13) are fixed between four mounting bars (12).

6. The portable scaffold device capable of lifting and overhanging without power supply according to claim 5, wherein an overhanging mechanism (14) is further installed on one side of the operating platform, the overhanging mechanism (14) comprises two round rods (30) and four barrel rods (31) for fixing, and a second overhanging plate is fixed between the four barrel rods (31).

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