CN214090911U - Height-adjustable's overhanging type removes scaffold frame - Google Patents

Abstract

The application discloses height-adjustable's formula of encorbelmenting removes scaffold relates to the technical field of construction equipment. The device comprises a base and a support fixedly arranged on the base, wherein a plurality of guide cylinders vertical to the support are fixedly arranged on a supporting plate, the guide cylinders are uniformly distributed at intervals along the circumferential direction of the supporting plate, one end of each guide cylinder, which is back to the supporting plate, is connected with a connecting rod in a sliding manner, and the connecting rods are fixedly connected with an operating platform together; rotate in the backup pad and be connected with the bracing piece with the connecting rod one-to-one, the axis direction of the axis of rotation between bracing piece and the backup pad is parallel with the backup pad, swing joint has coupling assembling between the free end of bracing piece and the connecting rod, the connecting rod can be under bracing piece and coupling assembling's effect along vertical direction reciprocating motion in the guide cylinder, be provided with in the backup pad and be used for driving bracing piece pivoted actuating mechanism. This application scaffold frame is applicable to the construction under the different operation height, improves the efficiency of construction.

Description

Height-adjustable's overhanging type removes scaffold frame

Technical Field

The application relates to the technical field of building construction equipment, in particular to a height-adjustable overhanging type movable scaffold.

Background

The scaffold is one of the construction equipment commonly used in the construction of building trade, and current scaffold is laid on whole floor comprehensively usually, through the fixed of steel pipe and every layer of wall body realize the building of scaffold during the construction, and traditional steel pipe scaffold takes, tears open, changes and occupies a large amount of time, and materials such as steel pipe stack will occupy very big place.

Chinese utility model patent that grant bulletin number is CN203654692U discloses a cantilever type removes scaffold, including base, the vertical support of setting in base one end, vertical support top one side is provided with the scaffold board rather than being connected, sets up the support frame bottom the scaffold board, is equipped with the weight box at the other end of base.

The above prior art solutions have the following drawbacks: the height of scaffold board remains unchanged, when the working face height changes, needs to reassemble vertical support to make scaffold board reach the height that is fit for the operation, the operation process is comparatively loaded down with trivial details, and the efficiency of construction is lower.

SUMMERY OF THE UTILITY MODEL

In order to make the construction that the scaffold was applicable to under the different operation height, this application provides a height-adjustable's overhanging type removes scaffold.

The application provides a pair of height-adjustable's overhanging type removes scaffold adopts following technical scheme:

a height-adjustable overhanging type movable scaffold comprises a base and a support fixedly arranged on the base, wherein a plurality of guide cylinders perpendicular to the support are fixedly arranged on a support plate, the guide cylinders are uniformly distributed at intervals along the circumferential direction of the support plate, one end of each guide cylinder, which is back to the support plate, is connected with a connecting rod in a sliding manner, and the connecting rods are fixedly connected with an operation platform together;

rotate in the backup pad and be connected with the bracing piece with the connecting rod one-to-one, the axis direction of the axis of rotation between bracing piece and the backup pad is parallel with the backup pad, swing joint has coupling assembling between the free end of bracing piece and the connecting rod, the connecting rod can be along vertical direction reciprocating motion in the guide cylinder under bracing piece and coupling assembling's effect, be provided with in the backup pad and be used for driving bracing piece pivoted actuating mechanism.

By adopting the technical scheme: when the height of the working surface changes, the driving mechanism is started, the driving mechanism drives the supporting rod to rotate in the vertical direction, the supporting rod drives the connecting rod to reciprocate in the guide cylinder along the vertical direction through the connecting component, and the height of the operating platform is adjusted; therefore, the scaffold is suitable for construction at different operation heights, and the construction efficiency is improved.

Preferably, the guide cylinder is provided with a yielding through hole for the support rod to move, the connecting assembly comprises a connecting plate fixed on the connecting rod, the connecting plate is provided with a connecting shaft, and the axis direction of the connecting shaft is parallel to the support plate;

coupling assembling is still including setting firmly the joint spare on the bracing piece, offer the track that is used for supplying the connecting axle to remove on the joint spare, when the bracing piece rotated, the connecting axle can be in the track with joint spare relative movement.

By adopting the technical scheme: when the supporting rod rotates, the connecting shaft moves relative to the clamping piece in the track, and the connecting shaft and the connecting rod move in the guide cylinder along the vertical direction under the limitation of the guide cylinder, so that the operating platform is driven to move along the vertical direction, and the operating platform is driven.

Preferably, the cross-sectional shape of the connecting shaft is circular.

By adopting the technical scheme: the connecting shaft is a cylinder, so that the contact area between the side wall of the track on the supporting rod and the connecting shaft is reduced, the friction force between the supporting rod and the connecting shaft is further reduced, and the operating platform is convenient to stably lift.

Preferably, the connecting shaft is rotatably connected to the connecting plate.

By adopting the technical scheme: the friction between the connecting shaft and the clamping piece is rolling friction, so that the friction between the clamping piece and the connecting shaft is further reduced.

Preferably, the rail penetrates through one end, back to the support rod, of the clamping piece.

By adopting the technical scheme: the clamping piece and the connecting shaft are convenient for assembling and matching by operators.

Preferably, the number of the guide cylinders is four, and the four guide cylinders are divided into two groups; the drive mechanism comprises two rotating shafts corresponding to the two groups of guide cylinders respectively, the rotating shafts and the rotating shafts between the supporting rods and the supporting plate are coaxially arranged, the rotating ends of the supporting rods are fixedly arranged on the rotating shafts to be connected with the supporting plate in a rotating mode, turbines are coaxially and fixedly arranged on the rotating shafts, worms meshed with the turbines are arranged on the supporting plate, and a drive motor used for driving the worms to rotate is fixedly arranged on the supporting plate.

By adopting the technical scheme: the driving motor drives the worm to rotate in the horizontal direction along the axis of the worm, the worm wheel rotates under the driving of the worm, and then the rotating shaft is driven to rotate and the supporting rod rotates, so that the supporting rod is driven.

Preferably, the worm is arranged as one, the worm is positioned between the two worm wheels and meshed with the two worm wheels, and the two worm wheels are symmetrically arranged around the worm.

By adopting the technical scheme: through the cooperation between same worm and two turbines, realized the synchronous drive to two turbines, and then realized the synchronous drive to two pivots and four bracing pieces, improved the stability of operation platform lift in-process.

Preferably, a limiting member for limiting the lowest rotation position of the support rod is fixedly arranged in the guide cylinder.

By adopting the technical scheme: carry out spacing to the minimum turned position of bracing piece and to have healed, this application includes following at least one useful technological effect:

1. by adopting the technical scheme: when the height of the working surface changes, the driving mechanism is started, the driving mechanism drives the supporting rod to rotate in the vertical direction, the supporting rod drives the connecting rod to reciprocate in the guide cylinder along the vertical direction through the connecting component, and the height of the operating platform is adjusted; therefore, the scaffold is suitable for construction at different operation heights, and the construction efficiency is improved;

2. the connecting shaft is a cylinder, so that the contact area between the side wall of the track on the supporting rod and the connecting shaft is reduced, the friction force between the supporting rod and the connecting shaft is further reduced, and the stable lifting of the operating platform is facilitated;

3. through the cooperation between same worm and two turbines, realized the synchronous drive to two turbines, and then realized the synchronous drive to two pivots and four bracing pieces, improved the stability of operation platform lift in-process.

Drawings

FIG. 1 is a schematic overall structure of the present application;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Description of reference numerals: 1. a base; 11. a support; 12. a weight box; 13. a first reinforcement bar; 14. accommodating grooves; 15. a yielding groove; 2. a support plate; 21. a second reinforcement bar; 3. a drive mechanism; 31. a drive motor; 32. a worm; 33. a turbine; 34. a rotating shaft; 4. a connecting mechanism; 41. a support member; 411. a support bar; 412. a circular collar; 42. a guide cylinder; 421. a yielding through hole; 43. connecting rod, 44, connecting assembly; 441. a connecting plate; 442. a connecting shaft; 443. a clamping piece; 4431. a track; 45. a limiting block; 5. an operating platform; 51. protecting the fence; 6. climbing a ladder; 61. a protective armrest; 7. a universal wheel; 8. a stabilizing device; 81. a fixing plate; 82. a threaded rod; 821. rotating the handle; 822. and (4) supporting the base.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses height-adjustable's overhanging type removes scaffold.

Examples

Referring to fig. 1, the portable electronic device comprises a base 1, wherein the base 1 is a rectangular plate, a support 11 is fixedly connected to one end of the upper surface of the base 1 in the length direction, and the support 11 is perpendicular to the base 1. The other end of the length direction of the upper surface of the base 1 is fixedly connected with a weight box 12, a heavy object is placed in the weight box 12, and the weight box 12 plays a role in stabilizing and balancing the scaffold. Fixedly connected with two slants between base 1 and the support 11 set up first stiffener 13, the setting of first stiffener 13 has improved the joint strength between base 1 and the support 11.

One end fixedly connected with backup pad 2 that support 11 deviates from base 1, backup pad 2 is the rectangular plate with base 1 parallel arrangement. 2 length direction's of backup pad one end and support 11 fixed connection, the second stiffener 21 of two slants settings of fixedly connected with between 2 length direction's of backup pad the other end and the support 11, two second stiffeners 21 set up along the width direction interval of backup pad 2, and second stiffener 21 plays the support additional strengthening to backup pad 2.

Referring to fig. 1 and 2, an operating platform 5 is disposed in parallel on the supporting plate 2, and a driving mechanism 3 and a connecting mechanism 4 are disposed between the operating platform 5 and the supporting plate 2.

The driving mechanism 3 comprises a driving motor 31 which is tightly pressed and connected to the middle position of the lower surface of the supporting plate 2 by using a bolt, the output end of the driving motor 31 vertically penetrates through the supporting plate 2, and a worm 32 is coaxially and fixedly connected with the driving motor through a coupler;

two rotating shafts 34 are arranged on the upper surface of the supporting plate 2 at intervals along the width direction of the supporting plate, the axes of the rotating shafts 34 are arranged along the length direction of the supporting plate 2, and the two rotating shafts 34 are symmetrically arranged around the worm 32. Fixedly connected with is a plurality of bearing frames that set up along its length direction interval on backup pad 2, and two pivot 34 rotate through the bearing respectively and connect on the bearing frame, and the both ends of pivot 34 stretch out respectively in the both ends that lie in two bearing frames in the outside and carry on the back mutually. A worm wheel 33 meshed with the worm 32 is coaxially and fixedly connected to each of the two rotating shafts 34.

The connecting mechanism 4 includes two sets of supporting pieces 41 corresponding to the two rotating shafts 34, and the two sets of supporting pieces 41 are symmetrically disposed about the worm 32. Each set of supporting members 41 includes two supporting rods 411 respectively fixedly connected to two ends of the rotating shaft 34, a circular collar 412 is integrally formed at one end of each supporting rod 411, and the circular collar 412 is sleeved and fixed on the outer side of the end portion of the rotating shaft 34 extending out of the bearing seat.

The connecting mechanism 4 further comprises four guide cylinders 42 fixedly connected to the four corners of the supporting plate 2, the guide cylinders 42 are perpendicular to the supporting plate 2, and the guide cylinders 42 are rectangular cylinders with hollow interiors and open top ends. The guide cylinder 42 is provided with a yielding through hole 421, the yielding through hole 421 is a long round hole arranged along the vertical direction, and the yielding through hole 421 penetrates through two ends of the guide cylinder 42 along the width direction of the support plate 2.

The connecting rod 43 is connected with the guide cylinder 42 in a sliding mode and matched with the guide cylinder, the connecting rod 43 is a rectangular rod, four outer side walls of the connecting rod 43 are respectively contacted with four inner side walls of the guide cylinder 42, the connecting rod 43 can reciprocate along the height direction of the guide cylinder 42, and one end, back to the guide cylinder 42, of the connecting rod 43 is fixedly connected to the lower surface of the operating platform 5.

A connecting assembly 44 is arranged between one end of the connecting rod 43 facing the support plate 2 and one end of the support rod 411 facing away from the rotating shaft 34. The connecting assembly 44 includes two connecting plates 441, and the two connecting plates 441 are disposed at two ends of the connecting rod 43 along the length direction of the supporting plate 2 at a parallel interval. A connecting shaft 442 is rotatably connected between ends of the two connecting plates 441 opposite to the connecting rod 43, the cross section of the connecting shaft 442 is circular, and the axis of the connecting shaft 442 is arranged along the length direction of the supporting plate 2. One end of the supporting rod 411 away from the rotating shaft 34 is fixedly connected with a clamping piece 443, the clamping piece 443 is arranged to be a U-shaped piece with an opening facing away from the supporting rod 411, two free ends of the clamping piece 443 are arranged at intervals up and down along the vertical direction, and the opening of the clamping piece 443 is arranged to be a track 4431 for the connecting shaft 442 to move. The engaging member 443 of the supporting rod 411 is inserted into the recess through hole 421, the connecting shaft 442 is inserted into the track 4431, and the outer peripheral surface of the connecting shaft 442 contacts with two opposite side walls of the track 4431 along the vertical direction. When the supporting rod 411 rotates, the connecting shaft 442 can reciprocate in the track 4431 of the engaging member 443.

The bottom end of the inner cavity of the guide cylinder 42 is fixedly connected with a limiting block 45, and the height of the limiting block 45 is equal to the distance from the lower end surface of the clamping piece 443 to the upper surface of the base 1 when the supporting rod 411 is in the horizontal position. When the supporting rod 411 rotates to the horizontal position, the clamping member 443 abuts against the limiting block 45, the limiting block 45 limits the supporting rod 411 to continue moving downwards, and the operating platform 5 is at the initial position at this time.

A guard rail 51 is fixedly connected to the operating platform 5, the guard rail 51 plays a role in protecting the workers, and an opening for the workers to enter is formed in one side of the guard rail 51.

When the operation platform 5 is at the initial position, the supporting rod 411 is at the horizontal state, and the lower end face of the clamping piece 443 on the supporting rod 411 is abutted against the limiting block 45. When the height of the working surface needs to be adjusted, the driving motor 31 is started to rotate forwards, the driving motor 31 drives the worm 32 to rotate coaxially and in the same direction as the driving motor 31, the worm 32 drives the two worm wheels 33 to rotate around the axial direction of the worm wheels 33, and the rotating directions of the two worm wheels 33 are opposite; the rotating shaft 34 coaxially and fixedly connected with the turbine 33 drives the supporting rod 411 to rotate, the connecting shaft 442 moves towards one side of the supporting rod 411 in the track 4431 under the action of the clamping piece 443, and the connecting shaft 442 gradually rises along the height direction of the guide cylinder 42, so that the connecting plate 441, the connecting rod 43 and the operating platform 5 are driven to gradually rise along the height direction of the guide cylinder 42 until the clamping piece 443 is abutted against one end of the abdicating through hole 421, which is away from the base 1, and the operating platform 5 rises to the maximum height; the driving motor 31 rotates reversely, and in the same way as the driving motor 31 rotates normally, the operation platform 5 moves vertically downwards until the lower end face of the clamping piece 443 abuts against the limiting block 45, and the operation platform 5 is restored to the initial position.

Referring to fig. 1, a ladder 6 is fixedly connected between one end of the bracket 11 departing from the base 1 and the base 1, two ends of the ladder 6 are fixedly connected with a protection handrail 61, the protection handrail 61 is used for protecting an operator, and the top end of the protection handrail 61 corresponds to the opening position of the guard rail 51.

Four extreme angle departments of base 1 bottom are fixedly connected with universal wheel 7 respectively, and the operating personnel of being convenient for promotes scaffold frame to construction position department.

Be provided with stabilising arrangement 8 on base 1, stabilising arrangement 8 includes fixed plate 81, and fixed plate 81 is provided with two respectively in base 1 width direction's both sides, and two fixed plate 81 symmetries that are located base 1 width direction homonymy set up, and the holding tank 14 that is used for holding fixed plate 81 is seted up respectively to base 1 width direction's both sides. Two ends of two fixed plate 81 that lie in base 1 width direction homonymy and carry on the back mutually articulate respectively in holding tank 14, and the articulated shaft between fixed plate 81 and the base 1 sets up along vertical direction. The threaded rod 82 that fixed plate 81 other end threaded connection set up along vertical direction offers the groove 15 of stepping down that is used for stepping down threaded rod 82 on the base 1, and the groove 15 of stepping down runs through the upper surface and the lower surface of base 1, and the coaxial fixedly connected with in threaded rod 82 top rotates the handle, the coaxial fixedly connected with supporting seat 822 in threaded rod 82 bottom.

When the scaffold is in a use state, the scaffold is placed on the ground, the fixing plate 81 is outwards rotated, the threaded rod 82 is rotated, the supporting seat 822 is pressed against the ground under the driving of the threaded rod 82, and the universal wheel 7 is lifted off the ground. When the scaffold is in the idle state, the fixing plate 81 is rotated inward to be embedded in the accommodating groove 14, so that the storage space of the scaffold is reduced.

The implementation principle of the above embodiment is as follows:

the scaffold is pushed to a construction position, the four fixing plates 81 are respectively opened by rotating outwards, the threaded rods 82 are rotated by rotating the handles until the supporting seats 822 abut against the ground, and at the moment, the universal wheels 7 are lifted off the ground, so that the relative movement of the scaffold and the ground is limited, the stability of the scaffold is improved, and the safety of constructors during operation is improved;

an operator moves to the operating platform 5 along the ladder 6 to construct an operation surface, when the construction range of the operator is not matched with the height of the operation surface, the driving motor 31 is started to enable the driving motor 31 to rotate in the forward direction, the driving motor 31 drives the worm 32 to rotate coaxially and in the same direction as the driving motor 31, the worm 32 drives the two worm wheels 33 to rotate around the axial direction of the worm wheels 33, and the rotating directions of the two worm wheels 33 are opposite; the connecting shaft 442 moves towards one side of the supporting rod 411 in the track 4431 of the clamping member 443 under the action of the clamping member 443, and the connecting shaft 442 gradually rises along the height direction of the guide cylinder 42, so that the connecting plate 441, the connecting rod 43 and the operating platform 5 are driven to gradually rise along the height direction of the guide cylinder 42 until the clamping member 443 abuts against one end of the abdicating through hole 421, which is far away from the base 1, and the operating platform 5 rises to the maximum height; driving motor 31 reversal, with driving motor 31 corotation with the same reason, the vertical downward movement of operation platform 5, terminal surface and stopper 45 butt under until joint 443, operation platform 5 resumes to initial position to make the scaffold frame be applicable to the construction under the different operation height, improve the efficiency of construction.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a height-adjustable's formula of encorbelmenting removes scaffold, includes base (1) and sets firmly in support (11) of base (1), its characterized in that: the top end of the support (11) is fixedly provided with a support plate (2), the support plate (2) is fixedly provided with a plurality of guide cylinders (42) perpendicular to the support plate, the guide cylinders (42) are uniformly distributed along the circumferential direction of the support plate (2) at intervals, one end of each guide cylinder (42) back to the support plate (2) is connected with a connecting rod (43) in a sliding manner, and the connecting rods (43) are jointly and fixedly connected with an operation platform (5);

rotate bracing piece (411) that is connected with connecting rod (43) one-to-one on backup pad (2), the axis direction of the axis of rotation between bracing piece (411) and backup pad (2) is parallel with backup pad (2), swing joint has coupling assembling (44) between the free end of bracing piece (411) and connecting rod (43), connecting rod (43) can be under the effect of bracing piece (411) and coupling assembling (44) along vertical direction reciprocating motion in guide cylinder (42), be provided with on backup pad (2) and be used for driving bracing piece (411) pivoted actuating mechanism (3).

2. A height adjustable overhanging mobile scaffold according to claim 1 wherein: the guide cylinder (42) is provided with a yielding through hole (421) for the support rod (411) to move, the connecting assembly (44) comprises a connecting plate (441) fixed on the connecting rod (43), the connecting plate (441) is provided with a connecting shaft (442), and the axis direction of the connecting shaft (442) is parallel to the support plate (2);

the connecting assembly (44) further comprises a clamping piece (443) fixedly arranged on the supporting rod (411), a track (4431) for the connecting shaft (442) to move is formed in the clamping piece (443), and when the supporting rod (411) rotates, the connecting shaft (442) can move relative to the clamping piece (443) in the track (4431).

3. A height adjustable overhanging mobile scaffold according to claim 2 wherein: the connecting shaft (442) has a circular cross-sectional shape.

4. A height adjustable overhanging mobile scaffold according to claim 3 wherein: the connecting shaft (442) is rotatably connected to the connecting plate (441).

5. A height adjustable overhanging mobile scaffold according to claim 2 wherein: the track (4431) penetrates through one end of the clamping piece (443) back to the supporting rod (411).

6. A height adjustable overhanging mobile scaffold according to claim 1 wherein: the number of the guide cylinders (42) is four, and the four guide cylinders (42) are divided into two groups; actuating mechanism (3) include two pivot (34) corresponding with two sets of guide cylinders (42) respectively, the coaxial setting of axis of rotation between pivot (34) and bracing piece (411) and backup pad (2), the rotation end of bracing piece (411) sets firmly and realizes being connected with rotating between backup pad (2) in pivot (34), coaxial turbine (33) that has set firmly on pivot (34), be provided with worm (32) with turbine (33) engaged with on backup pad (2), set firmly in backup pad (2) and be used for driving worm (32) pivoted driving motor (31).

7. A height adjustable overhanging mobile scaffold according to claim 6 wherein: the worm (32) is arranged to be one, the worm (32) is positioned between the two worm wheels (33) and meshed with the two worm wheels (33), and the two worm wheels (33) are symmetrically arranged around the worm (32).

8. A height adjustable overhanging mobile scaffold according to claim 1 wherein: the guide cylinder (42) is internally and fixedly provided with a limiting piece for limiting the lowest rotating position of the support rod (411).

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