CN209815611U

CN209815611U - Lifting platform for scaffold

Info

Publication number: CN209815611U
Application number: CN201920536943.4U
Authority: CN
Inventors: 姚广富
Original assignee: Anhui Borun Electric Power Technology Co Ltd
Current assignee: Anhui Borun Electric Power Technology Co Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2019-12-20
Anticipated expiration: 2029-04-18

Abstract

The utility model relates to a lifting platform for a scaffold, which comprises a base, a lifting platform, a guardrail arranged on the lifting platform and a scissor type expansion bracket arranged between the base and the lifting platform, wherein a chute is arranged on the lifting platform, an extension platform is arranged in the chute in a sliding way, and the extension platform horizontally slides along the chute; a driving device for driving the extending table to horizontally slide is arranged on the lifting table, and a limiting part for fixing the horizontal position of the extending table is arranged in the sliding chute; the end part of the guardrail is hinged with a protective frame, and connecting pieces for fixing the protective frame are arranged on two sides of the extending table; the elevating platform side articulates there is the locating lever, and the rotation center line of locating lever sets up along vertical direction, and connecting bolt is installed to the one end that the pin joint was kept away from to the locating lever, and connecting bolt passes the locating lever and extends platform screw-thread fit. The utility model discloses have the effect that lift platform can extend, conveniently carry out the operation on lift platform.

Description

Lifting platform for scaffold

Technical Field

The utility model belongs to the technical field of the technique of architectural equipment and specifically relates to a lift platform for scaffold frame is related to.

Background

At present, a lifting platform is a hoisting machine for vertically transporting people or objects. And also refers to equipment for vertical transportation in logistics systems such as factories, automated warehouses, and the like. The scaffold in construction work, also called scaffold, is a temporary construction tool used for supporting the building or building being built or rebuilt, and is also used for large-scale movable articles such as ships, and the scaffold is a steel structure equipment made of steel materials.

In the prior art, for example, an automatic lifting scaffold provided by patent application publication No. CN204960281U, a main structure of the scaffold is a cuboid structure composed of an upper pulling plate platform, four vertical phase columns and a base, and a lifting structure of the scaffold is composed of a motor, a rotating barrel, a steel wire rope, a fixed pulley, a platform and vertical phase columns; the vertical phase column is provided with a platform, the base is provided with a power device, the power device is composed of a motor, a speed reducer, an electromagnetic brake, a shaft and a rotating barrel, one end of a steel wire rope is fixedly wound on the rotating barrel, and the other end of the steel wire rope is fixedly connected with a steel wire rope hanging lug of the platform by bypassing a fixed pulley. The platforms at the two ends of the automatic lifting scaffold are respectively powered by independent power systems to meet the lifting requirement, namely the two platforms do not interfere with each other in the working process, and the requirements of various working condition environments can be met.

The above prior art solutions have the following drawbacks: the platform moves in the vertical direction through the lifting structure, but the whole width of the platform is limited, the working area of the platform is fixed, and if the lifting platform is away from a specified position after being lifted, the platform cannot reach the specified position; meanwhile, if the lifting platform needs to stay on the platform after rising, the lifting platform with a fixed area and a fixed size can affect the work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lifting platform for scaffold frame has the effect that lifting platform can extend, conveniently carries out the operation on lifting platform.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a lifting platform for a scaffold comprises a base, a lifting platform, a guardrail arranged on the lifting platform and a scissor type telescopic frame arranged between the base and the lifting platform, wherein a sliding groove is formed in the lifting platform, an extension platform is arranged in the sliding groove in a sliding manner, and the extension platform horizontally slides along the sliding groove; a driving device for driving the extending table to horizontally slide is arranged on the lifting table, and a limiting part for fixing the horizontal position of the extending table is arranged in the sliding chute; the end part of the guardrail is hinged with a protective frame, and the edge of the protective frame is provided with a connecting piece for fixing the protective frame; the elevating platform side articulates there is the locating lever, and the rotation center line of locating lever sets up along vertical direction, and connecting bolt is installed to the one end that the pin joint was kept away from to the locating lever, and connecting bolt passes the locating lever and extends platform screw-thread fit.

By adopting the technical scheme, the structure which is provided with the sliding groove and is provided with the extending table in a sliding manner is additionally arranged on the lifting table, the extending table can be unfolded in a sliding manner, the structure of the limiting part is used for fixing the extending table, the area of the lifting table is enlarged by the extending table, the lifting table is extended under the condition that the size of the base is not changed, the area of the lifting table can be enlarged after the height is increased, and high-altitude operation is convenient to perform; when the lifting platform is matched with a scaffold, the lifting platform can be conveniently moved to a designated position on the scaffold; the structure that increases the locating lever is connected elevating platform and extension platform, fixes the structure of extension platform, has strengthened the stability of structure.

The utility model discloses further set up to: the driving device comprises a rack arranged at the bottom of the extension table and a gear meshed with the gear, and the gear is rotatably arranged in the lifting table through a rotating shaft; a rotating rod is rotatably arranged in the lifting platform, the rotating rod and the gear are connected with transmission wheels, the transmission wheels are connected through a belt, and the transmission wheels drive the gear to rotate; the top of the rotating rod is connected with a hand wheel.

Through adopting above-mentioned technical scheme, adopt the drive mode of gear and rack, can drive the drive wheel through the rotation of dwang and rotate, carry out the transmission through the belt between two drive wheels, finally realized the rotation of gear, gear and rack meshing can drive rack and extension platform and slide.

The utility model discloses further set up to: the hand wheel is detachably connected with the rotating rod, a sleeve is arranged on the hand wheel, clamping blocks are arranged on two sides of the top of the rotating rod, and clamping grooves matched with the clamping blocks are formed in the sleeve; set up in the crisscross mounting groove of draw-in groove in the sleeve pipe, install magnet in the mounting groove, the dwang top sets up to iron.

By adopting the technical scheme, the hand wheel is detachably connected with the rotating rod, so that the hand wheel is convenient to take down when not in use; the clamping groove matched mode on the clamping block and the sleeve is used, the rotating rod is convenient to rotate, and the structure of the magnet can enhance the connection between the rotating rod and the sleeve.

The utility model discloses further set up to: the limiting piece comprises a spring groove arranged on one side of the sliding groove and a spring button arranged in the spring groove, and a return spring is connected between the bottom of the spring button and the bottom of the spring groove; a limit groove matched with the spring button is formed in the side surface of the extension table, and the reset spring acts on the spring button to enable the spring button to enter the limit groove; the part of the return spring extending to the outer side of the spring groove is provided with an inclined plane, and the inclined direction is gradually away from the belt and inclines towards the direction of the spring groove.

By adopting the technical scheme, the limiting part is arranged into the structure of the spring groove and the spring button, when the extension table slides, the limiting groove and the spring button are gradually close to the final spring button and enter the limiting groove, the limiting groove and the spring button are matched to fix the position of the extension table, and the extension table cannot continuously slide; the spring button is provided with the inclined plane, so that the moving direction of the extension table after the limit groove is matched with the spring button is limited, and the extension table is prevented from sliding out of the sliding groove.

The utility model discloses further set up to: the guardrail is provided with a notch at the extending table, the protection frame is hinged at the edges of two sides of the notch, and the rotating center line is arranged along the vertical direction; the connecting piece comprises an upright column at the edge of the protective frame and two clamping plates arranged on the upright column, the end parts of the clamping plates are hinged with the upright column, and the rotating center line is in the vertical direction; one ends of the two clamping plates, which are far away from the upright post, are in threaded connection through a bolt and a matched nut.

By adopting the technical scheme, the protective frame is hinged with the guardrail, the protective frame can be fixed on the guardrail in a telescopic connecting belt mode and the like when the extension table is not unfolded, and the guardrail is provided with the notch, so that the sliding of the extension table is not influenced; the structure of stand and grip block has been increased, can cooperate with the protection frame in order to fix the position of protection frame after can expanding, and the guardrail that will extend on the platform through two grip blocks is tight, has fixed the position of protection frame.

The utility model discloses further set up to: an arc-shaped groove is formed in the clamping plate, and a rubber pad is arranged in the arc-shaped groove.

Through adopting above-mentioned technical scheme, the structure that increases the arc recess makes things convenient for two grip blocks to carry out the centre gripping to the protection frame, and the structure that increases the rubber pad is used for increasing the damping.

The utility model discloses further set up to: a strip-shaped groove matched with the positioning rod is formed in the side face of the lifting platform, and the positioning rod and one end, hinged to the lifting platform, of the lifting platform are arranged in the strip-shaped groove.

Through adopting above-mentioned technical scheme, place the locating lever in the bar groove, can not expose when not using the locating lever, reduce the influence that causes high altitude construction.

The utility model discloses further set up to: the base four corners department is vertical to be seted up the through-hole, installs the threaded rod in the through-hole, and two nuts of threaded installation on the threaded rod, two nuts respectively with the upper and lower both sides butt of base.

Through adopting above-mentioned technical scheme, set up the through-hole and increased the structure of threaded rod on the base, use the nut to come the height of unable adjustment base, through adjusting nut's height, can highly adjust the four corners of base, can carry out horizontal adjustment to the base on uneven subaerial.

To sum up, the utility model discloses a beneficial technological effect does:

1. the structure with the sliding groove and the extending table slidably mounted is additionally arranged on the lifting table, the extending table can be unfolded in a sliding mode, the area of the lifting table can be enlarged after the height is increased, and high-altitude operation is facilitated; the position of the sliding extension table can be fixed by using the structure of the positioning rod;

2. the extension table is driven to move by rotating the hand wheel and the rotating rod, so that the operation is convenient, the hand wheel and the rotating rod are detachably connected, and the extension table is convenient to take down when not in use;

3. the positioning piece is arranged to be of a spring button and spring groove structure, an inclined plane is formed at the end part of the spring button, and the moving direction of the extension table can be limited when the limiting groove on the extension table is clamped with the spring button.

Drawings

Fig. 1 is a schematic view of the main structure of the present invention;

fig. 2 is a schematic structural view of the elevating platform of the present invention;

FIG. 3 is an enlarged schematic view of portion A1 of FIG. 2;

FIG. 4 is a schematic structural view of a middle extending table of the present invention;

FIG. 5 is a sectional view of the structure of the middle extension table of the present invention;

fig. 6 is a schematic view of a limiting member of the present invention;

fig. 7 is a schematic view of the structure of the middle hand wheel of the present invention.

Reference numerals: 1. a base; 11. a threaded rod; 2. a lifting platform; 21. a chute; 22. rotating the rod; 23. a driving wheel; 24. a hand wheel; 25. a sleeve; 251. a card slot; 252. mounting grooves; 253. a magnet; 26. a gear; 52. a limiting groove; 27. a belt; 28. a clamping block; 3. a telescopic frame; 4. a guardrail; 5. an extension table; 51. a rack; 6. a protective frame; 61. a column; 62. a clamping plate; 63. an arc-shaped groove; 64. a rubber pad; 7. positioning a rod; 71. a strip-shaped groove; 8. a spring slot; 81. a spring button; 82. a return spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The longitudinal direction of the elevating table 2 in fig. 1 is defined as the X-axis direction, the width direction is defined as the Y-axis direction, and the direction in which the extending table 5 slides out of the chute 21 is defined as the positive Y-axis direction.

Referring to fig. 1 and 2, for the utility model discloses a lifting platform for scaffold, including base 1, elevating platform 2, install at 2 marginal guardrails 4 of elevating platform and be located the scissors fork expansion bracket 3 between elevating platform 2 and the base 1. The base 1 four corners department is vertical to be seted up the through-hole, installs threaded rod 11 in the through-hole, and threaded rod 11 goes up the screw thread and installs two nuts, and two nuts respectively with the upper and lower both sides butt of base 1. The height adjustment of the four corners of the base 1 can be carried out through the nuts, and the base 1 can be conveniently adjusted to be horizontal when the ground is not flat enough.

Referring to fig. 2 and 3, a groove opening is formed in the extending table 5 of the guardrail 4, a protective frame 6 is hinged to the groove opening of the guardrail 4, the protective frame 6 is used for being matched with the extending table 5 to provide protection, and the rotating center line of the protective frame 6 is arranged along the vertical direction. The edge of the protection frame 6 is provided with a connecting piece for fixing the protection frame 6. The connecting piece comprises a vertical upright post 61 and two clamping plates 62 hinged on the upright post 61, wherein the upright post 61 is positioned at the edge position of the protective frame 6. The end of the holding plate 62 is rotatably connected to the column 61 and the center of rotation is disposed in the vertical direction. The end of the clamping plate 62 remote from the hinge point is threaded by a bolt and a mating nut. The clamping plate 62 is provided with arc-shaped grooves 63 in a forming mode, rubber pads 64 are installed in the arc-shaped grooves 63, the two arc-shaped grooves 63 clamp the edge positions of the guardrail 4 on the extension table 5 and are used for fixing the protection frame 6, and damping is increased by the aid of the rubber pads 64.

Referring to fig. 4, a strip-shaped groove 71 is formed in one side of the lifting platform 2 in the positive direction of the Y axis, a positioning rod 7 is rotatably mounted in the strip-shaped groove 71, the positioning rod 7 is hinged to the strip-shaped groove 71, and a rotation center line is arranged in the vertical direction. The one end shaping that locating lever 7 kept away from the pin joint has the connecting block, and the side cooperation of connecting block and extension table 5 carries out screw-thread fit through connecting bolt. The positioning of the extension table 5 can be carried out by using the positioning rod 7, thereby enhancing the structural stability of the extension table 5

Referring to fig. 4 and 5, the lifting platform 2 is provided with a sliding groove 21, and the sliding groove 21 is arranged along the Y-axis direction in the length direction and has two ends connected. The extending table 5 is slidably installed in the sliding chute 21 and slides along the Y-axis direction, and the extending table 5 slides along the Y-axis direction. The rack 51 is fixedly installed at the bottom of the lifting platform 2, and the rack 51 is located in the sliding groove 21 and arranged along the Y-axis direction in the length direction. The sliding chute 21 is rotatably provided with a gear 26, the bottom of the gear 26 is rotatably provided at the bottom of the sliding chute 21 through a rotating shaft, and the gear 26 is engaged with the rack 51. The rotating rod 22 is rotatably installed on the lifting platform 2, and the length direction of the rotating rod 22 is arranged along the vertical direction. The rotating rod 22 and the rotating wheel are both provided with a driving wheel 23, a belt 27 is connected between the driving wheels 23, the top of the rotating rod 22 is detachably connected with a hand wheel 24, the driving wheel 23 and the gear 26 are driven to rotate by rotating the hand wheel 24, the gear 26 drives the rack 51 to move, and the sliding of the extension table 5 is realized.

Referring to fig. 6, the sliding chute 21 is formed with limiting members for fixing the position of the extending table 5 at both sides in the X-axis direction, the limiting members include spring buttons 81 and spring slots 8, the spring slots 8 are opened at both sides in the width direction of the sliding chute 21, and the spring buttons 81 are movably installed in the spring slots 8. A return spring 82 is connected between the spring knob 81 and the spring groove 8, the return spring 82 acting on the spring knob 81 such that the end of the spring knob 81 extends out of the spring groove 8. The extending table 5 is formed with a limiting groove 52 matching with the spring button 81 on both sides along the X-axis direction, the end of the spring button 81 is formed with an inclined surface, and the inclined direction of the inclined surface is gradually inclined towards the bottom of the spring groove 8 away from the belt 27 (see fig. 5). The limiting groove 52 is clamped with the spring button 81 to limit the moving direction of the extending table 5.

Referring to fig. 7, the hand wheel 24 is detachably connected to the rotating rod 22, a sleeve 25 is installed on the hand wheel 24, clamping blocks 28 are arranged on two sides of the top of the rotating rod 22, and a clamping groove 251 matched with the clamping blocks 28 is formed in the sleeve 25. The sleeve 25 is provided with a mounting groove 252 staggered with the clamping groove 251, the mounting groove 252 is internally provided with a magnet 253, and the top of the rotating rod 22 is made of iron. The connection of the sleeve 25 and the swivelling levers 22 is enhanced by magnetic forces.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a lift platform for scaffold frame, includes base (1), elevating platform (2), sets up guardrail (4) on elevating platform (2) and sets up scissors fork expansion bracket (3) between base (1) and elevating platform (2), its characterized in that: a sliding chute (21) is formed in the lifting platform (2), an extension platform (5) is arranged in the sliding chute (21) in a sliding mode, and the extension platform (5) horizontally slides along the sliding chute (21); a driving device for driving the extending table (5) to horizontally slide is arranged on the lifting table (2), and a limiting part for fixing the horizontal position of the extending table (5) is arranged in the sliding chute (21); the end part of the guardrail (4) is hinged with a protective frame (6), and the edge of the protective frame (6) is provided with a connecting piece for fixing the protective frame (6); the side face of the lifting platform (2) is hinged with a positioning rod (7), the rotation center line of the positioning rod (7) is arranged along the vertical direction, one end, far away from the hinged joint, of the positioning rod (7) is provided with a connecting bolt, and the connecting bolt penetrates through the positioning rod (7) to be in threaded fit with the extending platform (5).

2. A scaffold lifting platform according to claim 1, characterised in that: the driving device comprises a rack (51) arranged at the bottom of the extension table (5) and a gear (26) meshed with the gear (26), and the gear (26) is rotatably arranged in the lifting table (2) through a rotating shaft; a rotating rod (22) is rotatably installed in the lifting platform (2), the rotating rod (22) and the gear (26) are both connected with a transmission wheel (23), the transmission wheels (23) are connected through a belt (27), and the transmission wheel (23) drives the gear (26) to rotate; the top of the rotating rod (22) is connected with a hand wheel (24).

3. A scaffold lifting platform according to claim 2, characterised in that: the hand wheel (24) is detachably connected with the rotating rod (22), a sleeve (25) is arranged on the hand wheel (24), clamping blocks (28) are arranged on two sides of the top of the rotating rod (22), and a clamping groove (251) matched with the clamping blocks (28) is formed in the sleeve (25); the sleeve pipe (25) is internally provided with a mounting groove (252) which is staggered with the clamping groove (251), a magnet (253) is mounted in the mounting groove (252), and the top of the rotating rod (22) is set to be iron.

4. A scaffold lifting platform according to claim 2, characterised in that: the limiting piece comprises a spring groove (8) arranged on one side of the sliding groove (21) and a spring button (81) arranged in the spring groove (8), and a return spring (82) is connected between the bottom of the spring button (81) and the bottom of the spring groove (8); a limiting groove (52) matched with the spring button (81) is formed in the side surface of the extending table (5), and the reset spring (82) acts on the spring button (81) to enable the spring button (81) to enter the limiting groove (52); the part of the return spring (82) extending to the outer side of the spring groove (8) is provided with an inclined plane, and the inclined direction is gradually away from the belt (27) and inclines towards the spring groove (8).

5. A scaffold lifting platform according to claim 1, characterised in that: the guardrail (4) forms a notch at the extending table (5), the protective frame (6) is hinged at the edges of two sides of the notch, and the rotating center line is arranged along the vertical direction; the connecting piece comprises an upright post (61) at the edge of the protective frame (6) and two clamping plates (62) arranged on the upright post (61), the end parts of the clamping plates (62) are hinged with the upright post (61), and the rotating center line is in the vertical direction; one ends of the two clamping plates (62) far away from the upright post (61) are in threaded connection through bolts and matched nuts.

6. A scaffold lifting platform according to claim 5, characterised in that: an arc-shaped groove (63) is formed in the clamping plate (62), and a rubber pad (64) is arranged in the arc-shaped groove (63).

7. A scaffold lifting platform according to claim 1, characterised in that: a strip-shaped groove (71) matched with the positioning rod (7) is formed in the side face of the lifting platform (2), and one end, hinged with the lifting platform (2), of the positioning rod (7) is arranged in the strip-shaped groove (71).

8. A scaffold lifting platform according to claim 1, characterised in that: the base (1) four corners department is vertical to be seted up the through-hole, installs threaded rod (11) in the through-hole, and threaded rod (11) are gone up the screw thread and are installed two nuts, and two nuts respectively with the upper and lower both sides butt of base (1).