CN210217075U

CN210217075U - Multifunctional scaffold

Info

Publication number: CN210217075U
Application number: CN201920476069.XU
Authority: CN
Inventors: Zhongxian Ye; 叶忠贤; Zhongshun Zheng; 郑忠顺; Weixin Su; 苏为鑫; Gang Guo; 郭刚
Original assignee: Wenzhou Zhongling Construction Co Ltd
Current assignee: Wenzhou Zhongling Construction Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-03-31
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a multifunctional scaffold, which has the technical proposal that the scaffold comprises a supporting plate for people to stand and at least one supporting frame for supporting the supporting plate, wherein the supporting frame is arranged on the lower end surface of the supporting plate, and the lower end surface of the supporting plate is also provided with a telescopic mechanism for controlling the height of the supporting plate; telescopic machanism includes the telescopic link, a supporting pedestal, drive gear and motor, terminal surface fixed connection under supporting pedestal one side and the layer board, another side and telescopic link fixed connection, the motor includes the motor shaft, the coaxial fixed connection of motor shaft and drive gear's terminal surface, drive gear keeps away from and is provided with protruding pole on the terminal surface of motor shaft, the telescopic link terminal surface is provided with first protruding pole and second protruding pole, still be provided with the rack with drive gear matched with on the telescopic link, when protruding pole and first protruding pole contact, drive gear and rack toothing transmission, the telescopic link rises, when protruding pole and the contact of second protruding pole, telescopic link stop motion, this scaffold frame makes operating personnel stand on the scaffold frame alright with the lift of control scaffold frame.

Description

Multifunctional scaffold

Technical Field

The utility model relates to a construction equipment field, more specifically the utility model relates to a multifunctional scaffold frame that says so.

Background

Scaffolding refers to various supports erected on a construction site for workers to handle and solve vertical and horizontal transportation. In the building field, most scaffolds design into beta structure for the convenience of transport, but the stability of this kind of structure is not high, stand on the scaffold when the staff, if do not have its fixed scaffold of other people's help, then the scaffold inclines easily and turns over even, cause danger easily, and this kind of scaffold is in the time that needs are flexible, operating personnel need follow the scaffold earlier and get off, adjust the scaffold to suitable position, stand again and go back on the scaffold, so not only troublesome, still can cause the waste of operating personnel time, make its work efficiency low.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a multifunctional scaffold frame, this scaffold frame make operating personnel stand on the scaffold frame alright in order to control the lift of scaffold frame.

In order to achieve the above purpose, the utility model provides a following technical scheme: a multifunctional scaffold comprises a supporting plate for people to stand and at least one supporting frame for supporting the supporting plate, wherein the supporting frame is arranged on the lower end face of the supporting plate, and the lower end face of the supporting plate is also provided with a telescopic mechanism for controlling the height of the supporting plate;

telescopic machanism includes telescopic link, supporting pedestal, drive gear and motor, terminal surface fixed connection under supporting pedestal one side and the layer board, another side and telescopic link fixed connection, the motor includes the motor shaft, the coaxial fixed connection of motor shaft and drive gear's terminal surface, drive gear is provided with abrupt pole on keeping away from the terminal surface of motor shaft, the telescopic link terminal surface is provided with first protruding pole and second protruding pole, still be provided with on the telescopic link with drive gear matched with rack, when abrupt pole and the contact of first protruding pole, drive gear and rack toothing transmission, the telescopic link rises, when abrupt pole and the contact of second protruding pole, telescopic link stop motion.

Furthermore, a bevel gear is arranged between the motor shaft and the driving gear, and a speed reducer used for reducing the rotating speed of the motor is arranged between the motor shaft and the motor.

Furthermore, a motor control chip is arranged in the motor, an ascending switch and a descending switch which are used for being trampled by people are arranged above the supporting plate, the ascending switch and the descending switch are both in circuit connection with the motor control chip, and when the ascending switch is trampled, the motor rotates, and the supporting plate is lifted upwards; when the ascending switch is released, the speed reducer enables the motor to stop rotating, and the lifting rod stops ascending and descending; when the descending switch is stepped on, the motor rotates reversely, the supporting plate descends, and when the descending switch is loosened, the speed reducer stops the motor from rotating, and the lifting rod stops lifting.

Further, the support frame is provided with one, the support frame sets up respectively in layer board four corners, the support frame includes decides pole and lifter, lifter and the inside cavity setting that all is of deciding the pole, lifter one end and layer board fixed connection, the other end and deciding pole sliding connection, the one end that the lifter was kept away from to deciding the pole offsets with ground.

Furthermore, sealed sliding connection between fixed rod and the lifter, be provided with the one-way admission valve that the gas one-way flowed in on the fixed rod, still be provided with on the fixed rod and be used for with gas outgoing's relief valve, be provided with control switch on the relief valve.

Furthermore, be provided with the spacing that is used for assisting telescopic link can sharp lift on the telescopic link, spacing sets up along the length direction of telescopic link, spacing and the one end of ground contact are provided with the bed frame that is used for supporting spacing, the lateral surface of telescopic link and the laminating of the medial surface of spacing.

Further, the support frame is kept away from the one end of layer board and is provided with the wheel that rolls, it can prevent to roll the gliding fixing device of wheel to enclose to be equipped with on the wheel that rolls, fixing device includes that pillar and lid close the piece, the pillar is articulated with the support frame side, the lid closes the piece and is articulated with the support frame, the pillar closes the relative both sides that the piece was located the wheel that rolls respectively with the lid, and when pillar and lid closed the piece and contradict, pillar and lid closed the piece and can prop up the wheel that rolls.

Furthermore, the telescopic rod is externally surrounded by a dustproof sleeve.

The utility model has the advantages that:

1. the supporting plate can be lifted due to the arrangement of the telescopic mechanism, the motor provides power for the driving gear, and the gear and the rack are meshed for transmission to drive the telescopic rod to slide upwards.

2. The arrangement of the speed reducer can stop the motor to stop the telescopic mechanism.

3. Decide pole one end and ground contact, the other end and lifter sliding connection, the lift height of lifter depends on the height of telescopic link, because the layer board becomes the quadrangle setting, all sets up the support frame in the layer board four corners, stands on the layer board when operating personnel, and the support frame has the holding power to the layer board, and when operating personnel stood in the layer board top, the layer board then can not incline or the rupture.

4. Because decide pole and lifter sliding connection, when operating personnel stood on the layer board, the layer board can receive pressure, but the lifter with decide pole sliding connection, consequently the lifter can not provide the holding power to the layer board, consequently the one-way admission valve that sets up is gaseous can get into in the pole in the lifter rebound to can not discharged, when operating personnel trampled on the layer board, the gaseous of deciding in the pole can be filled pole and bracing piece, prevent that the lifter is sliding.

5. Spacing has a limiting effect on the telescopic link, and through the setting of spacing, when drive gear and rack meshing transmission, can guarantee that telescopic link circumference is fixed, axial displacement.

6. By arranging the ascending switch and the descending switch, an operator can control the ascending or descending of the supporting plate by standing on the supporting plate.

7. Because the weight of whole scaffold frame is heavier, operating personnel is moving the in-process comparatively hard, therefore the wheel that rolls of setting can save strength, and the fixing device of setting can stand when working on the layer board at operating personnel, and it is fixed to roll the wheel.

8. Through the setting of dirt proof boot, can prevent drive gear and rack accumulation dust, ensure that drive gear and rack can normally work.

Drawings

Fig. 1 is a schematic perspective view of a scaffold;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic plan view of the scaffold.

Reference numerals: 1. a support plate; 2. a support frame; 21. fixing a rod; 211. a one-way intake valve; 212. a pressure relief valve; 2121. a control switch; 22. a lifting rod; 23. a limiting frame; 24. a base frame; 3. a telescoping mechanism; 31. a telescopic rod; 311. a first nose bar; 312. a second nose bar; 32. a support base; 33. a drive gear; 331. a rack; 34. a motor; 344. a motor control chip; 341. a motor shaft; 35. a bevel gear; 36. a speed reducer; 4. a projecting rod; 5. a rising switch; 51. a down switch; 6. a rolling wheel; 7. a fixing device; 71. a pillar; 72. covering the sheet; 8. a dust-proof cover.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 3, the multifunctional scaffold of the present embodiment includes a supporting plate 1 for people to stand on and at least one supporting frame 2 for supporting the supporting plate 1, where the supporting frame 2 is disposed on a lower end surface of the supporting plate 1, and a telescopic mechanism 3 for controlling a height of the supporting plate 1 is further disposed on the lower end surface of the supporting plate 1;

telescopic machanism 3 includes telescopic link 31, supporting pedestal 32, drive gear 33 and motor 34, supporting pedestal 32 one side and the 1 lower terminal surface fixed connection of layer board, another side and telescopic link 31 fixed connection, motor 34 includes motor shaft 341, the coaxial fixed connection of motor shaft 341 and drive gear 33's terminal surface, drive gear 33 is provided with protruding pole 4 on keeping away from the terminal surface of motor shaft 341, telescopic link 31 terminal surface is provided with first protruding pole 311 and second protruding pole 312, still be provided with on telescopic link 31 with drive gear 33 matched with rack 331, when protruding pole 4 and first protruding pole 311 contact, drive gear 33 and rack 331 mesh transmission, telescopic link 31 rises, and when protruding pole 4 and second protruding pole 312 contact, telescopic link 31 stop motion.

The motor 34 rotates the driving gear 33, when the driving gear 33 rotates, the protruding rod 4 on the driving gear 33 is abutted against the first protruding rod 311, the protruding rod 4 pushes up the first protruding rod 311, the driving gear 33 is in meshing transmission with the rack 331, and the telescopic rod 31 starts to rise upwards; when the driving gear 33 rotates to make the protruding rod 4 reach the position contacting with the second protruding rod 312, the telescopic rod 31 stops moving, the whole lifting process of the telescopic rod 31 is completed, after the lifting process is completed, the motor 34 stops operating, because a worker stands on the supporting plate 1 and has downward pressure on the supporting plate 1, the telescopic rod 31 is pressed to move downward, if the protruding rod 4 and the second protruding rod 312 are not arranged, the driving gear 33 and the rack 331 are easy to swing, so that the driving rack 331 and the gear are worn at the corner position, the protruding rod 4 and the second protruding rod 312 are arranged, the protruding rod and the second protruding rod 312 are in contact with each other to prevent the telescopic rod 31 from moving downward, wherein the motor 34 in the embodiment can be a stepping motor.

As a modified specific embodiment, a bevel gear 35 is disposed between the motor shaft 341 and the driving gear 33, and a speed reducer 36 for reducing the rotation speed of the motor 34 is disposed between the motor shaft 341 and the motor 34.

The motor 34 can be directly placed on the ground, the motor 34 and the driving gear 33 are connected through the bevel gear 35, the bevel gear 35 plays a role in transmission, the rotating direction of the motor shaft 341 can be changed, and when the second protruding rod 312 collides with the protruding rod 4, the speed reducer 36 starts to work, so that the motor 34 stops rotating.

As a modified specific embodiment, a motor control chip 344 is arranged in the motor 34, an ascending switch 5 and a descending switch 51 for a person to step on are arranged above the supporting plate 1, the ascending switch 5 and the descending switch 51 are both electrically connected with the motor control chip 344, when the ascending switch 5 is pressed, the motor 34 rotates, and the supporting plate 1 rises upwards; when the lifting switch 5 is released, the reducer 36 stops the motor 34 from rotating, and the lifting rod 22 stops lifting; when the lowering switch 51 is depressed, the motor 34 rotates in reverse, the pallet 1 is lowered, and when the lowering switch 51 is released, the reducer 36 stops the rotation of the motor 34, and the raising and lowering of the lift lever 22 are stopped.

The motor control chip 344 controls the motor 34 to operate, when the up switch 5 is pressed, the motor 34 rotates to enable the driving gear 33 and the rack 331 to be meshed and driven, the supporting plate 1 is lifted upwards, when the down switch 51 is pressed, the motor 34 rotates reversely to enable the supporting plate 1 to descend, a rotation threshold value can be set in the motor control chip 344, and when the motor 34 reaches the rotation threshold value, the speed reducer 36 starts to operate to enable the rotation speed of the motor 34 to descend.

As an improved specific implementation mode, the support frames 2 are provided with 4, the support frames 2 are respectively arranged at four corners of the supporting plate 1, each support frame 2 comprises a fixed rod 21 and a lifting rod 22, the lifting rod 22 and the fixed rod 21 are both arranged in a hollow manner, one end of each lifting rod 22 is fixedly connected with the supporting plate 1, the other end of each lifting rod is connected with the fixed rod 21 in a sliding manner, and one end, away from the lifting rod 22, of the fixed rod 21 abuts against the ground.

Decide pole 21 one end and ground contact, the other end and lifter 22 sliding connection, lifter 22's lift height depends on telescopic link 31's height, because layer board 1 becomes the quadrangle setting, all sets up support frame 2 in 1 four corners of layer board, stands on layer board 1 when operating personnel, and support frame 2 has the holding power to layer board 1, and when operating personnel stood in layer board 1 top, layer board 1 then can not incline or break.

As a modified specific embodiment, the fixed rod 21 and the lifting rod 22 are connected in a sealing sliding manner, the fixed rod 21 is provided with a one-way air inlet valve 211 for allowing air to flow in one direction, the fixed rod 21 is further provided with a pressure relief valve 212 for discharging air, and the pressure relief valve 212 is provided with a control switch 2121.

Because the fixed rod 21 and the lifting rod 22 are connected in a sliding manner, when an operator stands on the supporting plate 1, the supporting plate 1 is pressed downwards, but the lifting rod 22 is connected with the fixed rod 21 in a sliding manner, so that the lifting rod 22 can be retracted into the fixed rod 21, the lifting rod 22 can not provide supporting force for the supporting plate 1, therefore, when the lifting rod 22 moves upwards, external gas can enter the fixed rod 21 to fill the hollow positions inside the fixed rod 21 and the lifting rod 22 with gas due to the relationship of gas pressure difference, and due to the arrangement of the one-way valve, the gas can not be discharged, when the operator steps on the supporting plate 1, the operator can press the supporting plate 1 downwards, and the gas in the lifting rod 22 and the fixed rod 21 has supporting force for the supporting plate 1 (because the lifting rod 22 is connected with the fixed rod 21 in a sealing and sliding manner, the connecting position of the fixed rod 21 and the lifting rod 22, no gas is discharged), the lifter 22 can be prevented from sliding downward.

As an improved specific embodiment, the telescopic rod 31 is provided with a limiting frame 23 for assisting the telescopic rod 31 to linearly lift, the limiting frame 23 is arranged along the length direction of the telescopic rod 31, one end of the limiting frame 23, which is in contact with the ground, is provided with a base frame 24 for supporting the limiting frame 23, and the outer side surface of the telescopic rod 31 is attached to the inner side surface of the limiting frame 23.

Limiting frame 23 has a limiting effect on telescopic rod 31, and through the setting of limiting frame 23, when drive gear 33 and rack 331 mesh transmission, can guarantee that telescopic rod 31 circumference is fixed, axial displacement.

As an improved specific embodiment, one end of the support frame 2, which is far away from the supporting plate 1, is provided with a rolling wheel 6, the rolling wheel 6 is surrounded by a fixing device 7 capable of preventing the rolling wheel 6 from sliding, the fixing device 7 comprises a supporting column 71 and a cover closing sheet 72, the supporting column 71 is hinged to the side surface of the support frame 2, the cover closing sheet 72 is hinged to the support frame 2, the supporting column 71 and the cover closing sheet 72 are respectively arranged on two opposite sides of the rolling wheel 6, and when the supporting column 71 and the cover closing sheet 72 are abutted, the supporting column 71 and the cover closing sheet 72 can prop up the rolling wheel 6.

Because the whole weight of whole scaffold frame is heavier, operating personnel is comparatively hard in the in-process of moving, consequently the rolling wheel 6 that sets up can save strength, when the rolling wheel 6 that needs rolls, only need cover the piece 72 and pillar 71 to the side of keeping away from rolling wheel 6 rotate can, when needs fix rolling wheel 6, only need cover the piece 72 and pillar 71 to be close to rolling wheel 6 and one side rotation can realize fixedly.

As a modified specific embodiment, the telescopic rod 31 is externally surrounded by a dustproof sleeve 8.

Through the arrangement of the dustproof sleeve 8, dust accumulation of the driving gear 33 and the rack 331 can be prevented, and normal operation of the driving gear 33 and the rack 331 is ensured.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A multifunctional scaffold, comprising a support plate (1) for a person to stand and a support frame (2) for supporting at least one of the support plate (1), characterized in that: the supporting frame (2) is arranged on the lower end face of the supporting plate (1), and the lower end face of the supporting plate (1) is also provided with a telescopic mechanism (3) for controlling the height of the supporting plate (1);

the telescopic mechanism (3) comprises a telescopic rod (31), a supporting base (32), a driving gear (33) and a motor (34), one surface of the supporting base (32) is fixedly connected with the lower end surface of the supporting plate (1), the other surface is fixedly connected with the telescopic rod (31), the motor (34) comprises a motor shaft (341), a protruding rod (4) is arranged on the end surface of the driving gear (33) far away from the motor shaft (341), the end surface of the telescopic rod (31) is provided with a first convex rod (311) and a second convex rod (312), the telescopic rod (31) is also provided with a rack (331) matched with the driving gear (33), when the protruding rod (4) is contacted with the first protruding rod (311), the driving gear (33) is meshed with the rack (331) for transmission, the telescopic rod (31) is lifted, when the protruding rod (4) is contacted with the second protruding rod (312), the telescopic rod (31) stops moving.

2. A multi-functional scaffold as claimed in claim 1, wherein: a bevel gear (35) is arranged between the motor shaft (341) and the driving gear (33), and a speed reducer (36) used for reducing the rotating speed of the motor (34) is arranged between the motor shaft (341) and the motor (34).

3. A multi-functional scaffold as claimed in claim 2, wherein: a motor control chip (344) is arranged in the motor (34), an ascending switch (5) and a descending switch (51) which are trampled by people are arranged above the supporting plate (1), the ascending switch (5) and the descending switch (51) are both in circuit connection with the motor control chip (344), when the ascending switch (5) is trampled, the motor (34) rotates, and the supporting plate (1) is lifted upwards; when the ascending switch (5) is released, the reducer (36) stops the motor (34) from rotating, and the lifting rod (22) stops lifting; when the descending switch (51) is stepped on, the motor (34) rotates reversely, the supporting plate (1) descends, and when the descending switch (51) is released, the reducer (36) stops the motor (34) from rotating, and the lifting rod (22) stops lifting.

4. A multi-functional scaffold as claimed in claim 3, wherein: support frame (2) are provided with 4, support frame (2) set up respectively in layer board (1) four corners, support frame (2) are including deciding pole (21) and lifter (22), lifter (22) and deciding inside cavity setting that all is of pole (21), lifter (22) one end and layer board (1) fixed connection, the other end and deciding pole (21) sliding connection, the one end that lifter (22) were kept away from in pole (21) offsets with ground.

5. A multi-functional scaffold as claimed in claim 4, wherein: the gas-liquid separation device is characterized in that the fixed rod (21) and the lifting rod (22) are in sealing sliding connection, a one-way gas inlet valve (211) for one-way inflow of gas is arranged on the fixed rod (21), a pressure release valve (212) for discharging the gas is further arranged on the fixed rod (21), and a control switch (2121) is arranged on the pressure release valve (212).

6. A multi-functional scaffold as claimed in claim 5, wherein: be provided with spacing (23) that are used for assisting telescopic link (31) can go up and down straight line on telescopic link (31), spacing (23) set up along the length direction of telescopic link (31), spacing (23) are provided with bed frame (24) that are used for supporting spacing (23) with the one end of ground contact, the medial surface laminating of the lateral surface of telescopic link (31) and spacing (23).

7. A multi-functional scaffold as claimed in any one of claims 1 to 6, wherein: the one end that layer board (1) was kept away from in support frame (2) is provided with wheel (6) roll, it can prevent to roll wheel (6) gliding fixing device (7) to enclose to be equipped with on wheel (6) roll, fixing device (7) include pillar (71) and lid and close piece (72), pillar (71) are articulated with support frame (2) side, lid closes piece (72) and support frame (2) are articulated, the relative both sides of wheel (6) roll are located respectively in pillar (71) and lid and close piece (72), and when pillar (71) and lid close piece (72) inconsistent, pillar (71) and lid close piece (72) can prop up wheel (6) roll.

8. A multi-functional scaffold as claimed in claim 7, wherein: the outside of the telescopic rod (31) is surrounded with a dustproof sleeve (8).