CN215484517U - But height-adjusting's scaffold frame for house construction - Google Patents

Abstract

The utility model relates to a but height-adjusting's scaffold frame for house construction, it includes two sets of symmetries and parallel arrangement's chassis and sets up a plurality of backup pads on the chassis, still include lifting unit, lifting unit includes the driving piece, the worm wheel, worm and transfer line, the transfer line is provided with four, and threaded connection is in the backup pad four corners respectively, and the transfer line rotates and connects on the chassis, the worm wheel is coaxial to set firmly on the transfer line, worm parallel arrangement has two and swivelling joint on the chassis, and arbitrary worm sets up with double-phase adjacent worm wheel meshing, the driving piece sets up on the chassis, and can drive the worm and rotate. This application is convenient for workman's scaffold frame about, labour saving and time saving reduces the potential safety hazard.

Description

But height-adjusting's scaffold frame for house construction

Technical Field

The application relates to the field of building equipment, in particular to a height-adjustable scaffold for building construction.

Background

The scaffold refers to various supports which are arranged on a construction site and are erected for workers to operate and solve vertical and horizontal transportation. The building site is generally used in places where external walls, interior decoration or high floor height cannot be directly constructed, mainly aims at the up-and-down construction of constructors on the external walls of buildings, or peripheral safety net enclosure, high-altitude installation components and the like, and is widely applied to the industries of advertising industry, municipal administration, traffic roads and bridges, mines and the like.

Chinese patent with application number CN201621193565.7 discloses a scaffold, including two vertical frame that set up relatively and be located the footboard on the vertical frame to two are erected and are connected through the connecting piece of X shape between the frame, vertical frame includes the montant, and the montant top sets up the connecting portion that are used for cup jointing another montant, passes connecting portion have the holding rod with connecting portion swing joint, holding rod upper end is located the connecting portion top, and the lower extreme is located the montant, the montant passes through positioning mechanism with holding rod and is connected.

According to the related technology, when the scaffold works, frequent up-and-down construction is needed, constructors generally go up and down the scaffold through a ladder stand, and the inventor thinks that the up-and-down scaffold is time-consuming and labor-consuming, so that the labor intensity of workers is increased, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In order to make things convenient for workman's scaffold frame from top to bottom, this application provides a but scaffold frame for house construction of height-adjusting.

The application provides a but height-adjusting's scaffold frame for house construction adopts following technical scheme:

the utility model provides a but height-adjusting's scaffold frame for house construction, chassis and setting including two sets of symmetries and parallel arrangement are in a plurality of backup pads on the chassis still include lifting unit, lifting unit includes driving piece, worm wheel, worm and transfer line, the transfer line is provided with four to threaded connection respectively is in the backup pad four corners, just the transfer line rotates to be connected on the chassis, the worm wheel is coaxial to set firmly on the transfer line, worm parallel arrangement has two and rotates to be connected on the chassis, and arbitrary worm and double-phase adjacent worm wheel meshing set up, the driving piece sets up on the chassis, and can drive the worm rotates.

By adopting the technical scheme, when the scaffold is used, the worm rotates through the driving piece, and then the worm drives the worm wheel and the transmission rod on the worm wheel to rotate, so that the support plate is lifted up and lowered down; the driving piece, worm wheel, worm and the transfer line that set up can make the workman be in the backup pad in advance, realizes the backup pad through worm wheel and worm's cooperation and drives workman's lift, and then constructs, and labour saving and time saving can transport construction material simultaneously, reduces workman's intensity of labour, and the workman of being convenient for puts up the scaffold frame from top to bottom, through worm wheel and worm's auto-lock, can improve the stability of backup pad, reduces the potential safety hazard.

Optionally, the chassis includes four montants and a plurality of horizontal pole along the square setting, the horizontal pole both ends set up respectively adjacent two on the montant, just the montant is hollow to be set up, the transfer line stretches into the montant sets up, the confession has been seted up along vertical direction to the montant the spout that the backup pad stretched into.

Through adopting above-mentioned technical scheme, the montant and the horizontal pole of setting can fix a position transmission rod, and the cooperation spout leads the backup pad simultaneously, improves the stability of backup pad.

Optionally, the cross rod is arranged in a hollow mode, and the cross rod is sleeved on the worm and communicated with the vertical rod.

Through adopting above-mentioned technical scheme, through the horizontal pole, can surround and protect the worm, protect the meshing department of worm gear, reduce the impurity that gets into its meshing transmission department in the environment, reduce wearing and tearing guarantee worm gear's transmission effect.

Optionally, the bottom frame further comprises four groups of support frames which are arranged on the vertical rods respectively, one end of the top wall of each support frame is fixedly arranged on the corresponding vertical rod, and the other end of each support frame is far away from the corresponding vertical rod.

Through adopting above-mentioned technical scheme, the support frame of setting can increase the area of contact and the scope on chassis and ground, improves the stability of chassis, and then improves the security performance of scaffold frame.

Optionally, a plurality of reinforcing rods arranged in a cross manner are arranged between every two adjacent vertical rods, and two ends of each reinforcing rod are fixedly arranged on the two adjacent vertical rods respectively.

Through adopting above-mentioned technical scheme, the stiffener of setting can connect two adjacent montants, improves the wholeness of chassis, and criss-cross stiffener can form a plurality of triangle regions with the montant simultaneously, and then improves the stability of chassis.

Optionally, the lifting device further comprises a crawling ladder and a sliding assembly, wherein a lifting port is formed in the center of the supporting plate, three pieces of supporting plates are arranged, the crawling ladder is connected to the middle of the lifting port in a sliding mode in the vertical direction, and the sliding assembly can enable two ends of the crawling ladder to be abutted to the rest two lifting plates respectively.

Through adopting above-mentioned technical scheme, the cat ladder and the slip subassembly of setting can be when the backup pad goes up and down, and the constructor of being convenient for changes and is under construction in the multilayer backup pad, and the lifting port sets up at the backup pad center for the atress of scaffold is steady, reduces rocking of scaffold, improves the stability of scaffold.

Optionally, the sliding assembly includes a guide rod, a driving gear, a driven gear and a rotating motor, the guide rod is vertically fixed on the ladder stand, the driving gear and the driven gear are meshed with each other and are rotatably connected to the supporting plate, the guide rod is in coaxial threaded connection with the driven gear, the rotating motor is fixed on the supporting plate, and the driving gear is coaxially fixed on an output shaft of the rotating motor.

Through adopting above-mentioned technical scheme, guide bar, driving gear, driven gear and the rotation motor that sets up, the workman is pedal on the cat ladder, drives the driving gear and rotates rather than the driven gear who meshes through rotating the motor, and then drives the guide bar and rotate, realizes the slip of cat ladder, is convenient for carry out the butt with two upper and lower backup pads.

Optionally, the cat ladder sets up to the drum type, just cat ladder both ends all articulate there is the footboard, just the cat ladder both ends all are equipped with spacing fender ring each other, just spacing fender ring top wall can with footboard diapire butt.

Through adopting above-mentioned technical scheme, the workman of being convenient for tramples in the backup pad through footboard and the spacing fender ring that sets up, cooperates the cat ladder of drum type simultaneously, protects the workman, improves the security performance that uses.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving piece, the worm wheel, the worm and the transmission rod are arranged, so that workers can be located on the supporting plate in advance, the supporting plate can drive the workers to lift through the matching of the worm wheel and the worm, further construction is carried out, time and labor are saved, meanwhile, construction materials can be transported, the labor intensity of the workers is reduced, the workers can conveniently go up and down the scaffold, the stability of the supporting plate can be improved through self-locking of the worm wheel and the worm, and potential safety hazards are reduced;

2. the ladder stand and the sliding assembly are arranged, so that constructors can conveniently replace and construct on the multilayer supporting plates while the supporting plates are lifted, and the lifting port is arranged in the center of the supporting plates, so that the stress of the scaffold is stable, the shaking of the scaffold is reduced, and the stability of the scaffold is improved;

3. the footboard and the spacing fender ring that set up, the workman of being convenient for tramples in the backup pad, cooperates the cat ladder of drum type simultaneously, protects the workman, improves the security performance that uses.

Drawings

Fig. 1 is a schematic overall structure diagram of a scaffold for building construction, which is adjustable in height according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of the lifting group of fig. 1.

Fig. 3 is a schematic structural view of the sliding assembly of fig. 1.

Description of reference numerals: 1. a chassis; 11. a vertical rod; 111. a chute; 12. a cross bar; 13. a universal wheel; 14. a support frame; 141. an inclined section; 142. a horizontal segment; 143. a vertical section; 144. a hydraulic cylinder; 15. a reinforcing bar; 2. a support plate; 21. a lifting port; 3. climbing a ladder; 31. a pedal; 32. a limit stop ring; 4. a lifting assembly; 41. a worm gear; 42. a worm; 43. a transmission rod; 44. a servo motor; 5. a sliding assembly; 51. a guide bar; 52. a driving gear; 53. a driven gear; 54. the motor is rotated.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses but height-adjusting's scaffold frame for house construction. Referring to fig. 1, the height-adjustable scaffold for building construction includes an underframe 1, a support plate 2, a ladder 3, a lifting assembly 4 and a sliding assembly 5, wherein three support plates 2 are horizontally and parallelly arranged and are slidably connected to the underframe 1 through the lifting assembly 4. The supporting plate 2 is provided with three, the center of the supporting plate 2 is provided with a lifting opening 21, and the crawling ladder 3 is connected to the middle lifting opening 21 in a sliding mode through the sliding assembly 5 in the vertical direction.

Referring to fig. 1, the underframe 1 comprises vertical rods 11, cross rods 12, universal wheels 13, support frames 14 and reinforcing rods 15, wherein four vertical rods 11 are vertically arranged and arranged along a square, the cross rods 12 are arranged in a plurality, the cross rods 12 and the vertical rods 11 are both arranged in a hollow manner, and the four vertical rods 11 are respectively arranged close to four corners of a support plate 2; the horizontal rod 12 is horizontal and two ends are respectively welded on the two adjacent vertical rods 11 and communicated with the inner cavities of the vertical rods 11. The reinforcing rods 15 are arranged in a crossed mode, two ends of each reinforcing rod 15 are welded to the two adjacent vertical rods 11 respectively, and the universal wheels 13 are provided with four groups and are arranged on the bottom walls of the vertical rods 11 respectively.

Referring to fig. 1, the supporting frame 14 includes an inclined section 141, a horizontal section 142, a vertical section 143, and a hydraulic cylinder 144, wherein one end of each of the inclined section 141 and the horizontal section 142 is welded to the vertical rod 11, the other end of the inclined section 141 is lower and close to the other end of the horizontal section 142, and is welded to the vertical section 143, and a piston rod of the hydraulic cylinder 144 is vertically disposed and bolted to the bottom end of the vertical section 143.

Referring to fig. 1 and 2, the lifting assembly 4 includes a driving member, a worm wheel 41, a worm 42 and four transmission rods 43, the transmission rods 43 are coaxially arranged in the inner cavity of the vertical rod 11, and two ends of the transmission rods 43 are rotatably connected to the vertical rod 11 through bearings; the worm gear 41 is coaxially keyed to the drive rod 43 and is located adjacent one end of the bottom wall of the drive rod 43. Two worms 42 are arranged in parallel and coaxially extend into the cross rod 12, and the worms 42 are rotatably connected with the cross rod 12 through bearings; the two ends of the worm 42 extend into the vertical rod 11 and are meshed with the two adjacent worm wheels 41. The vertical rod 11 is provided with a sliding groove 111 for the support plate 2 to extend into along the vertical direction, and four corners of the support plate 2 extend into the inner cavity of the vertical rod 11 through the sliding groove 111 and are rotatably connected with the transmission rod 43. The driving part comprises two servo motors 44, the servo motors 44 are fixed on the vertical rods 11 through bolts, and output shafts of the servo motors 44 extend into the cross rods 12 and are respectively connected with the two worms 42 through coaxial keys.

Referring to fig. 3, the sliding assembly 5 includes a guide lever 51, a driving gear 52, a driven gear 53, and a rotation motor 54; the crawling ladder 3 is cylindrical and vertically extends into the lifting opening 21 along the circumferential direction; 3 both ends of cat ladder all articulate there is footboard 31, the articulated shaft parallel arrangement of footboard 31, and 3 both ends of cat ladder all weld and have spacing fender ring 32, and spacing fender ring 32 roof and 31 diapire butts of footboard. Two guide rods 51 are vertically arranged and symmetrically arranged on the outer side wall of the ladder stand 3, and two ends of each guide rod 51 are welded on the ladder stand 3. The driving gear 52 and the driven gear 53 are engaged with each other and rotatably connected to the support plate 2, the driven gear 53 is coaxially screwed to any one of the guide rods 51, the rotating motor 54 is fixed to the support plate 2 by a bolt, and the driving gear 52 is coaxially keyed on an output shaft of the rotating motor 54.

The implementation principle of the scaffold for building construction with adjustable height in the embodiment of the application is as follows: when the scaffold is used, the universal wheels 13 are locked, and the hydraulic cylinder 144 is started, so that the piston rod of the hydraulic cylinder 144 pushes the base to be tightly propped against the ground for positioning. The servo motor 44 is started, the output shaft of the servo motor 44 drives the worm 42 to rotate, the worm 42 drives the worm wheel 41 and the transmission rod 43 on the worm wheel 41 to rotate, the support plate 2 descends until the bottommost support plate 2 descends to the bottommost end, and a constructor stands on the support plate 2 and adjusts the support plate 2 to ascend to perform construction. When constructing the higher position, the constructor stands in the center of the supporting plate 2, starts the rotating motor 54, the output shaft of the rotating motor 54 drives the driving gear 52 and the driven gear 53 engaged with the driving gear to rotate, and then drives the guide rod 51 to rotate, so that the ladder stand 3 descends, the constructor is covered in the ladder stand 3, the constructor climbs on the ladder stand 3, and the foot steps on the pedal 31 below the ladder stand 3 until the constructor climbs on the two layers of supporting plates 2 for construction. During the highest floor construction, constructor starts rotation motor 54 in cat ladder 3 for cat ladder 3 rises to the topmost, and then constructor climbs to the three-layer backup pad 2 and carries out the 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 but height-adjusting's scaffold frame for house construction, includes that two sets of symmetries and parallel arrangement's chassis (1) and setting are in a plurality of backup pads (2) on chassis (1), its characterized in that: still include lifting unit (4), lifting unit (4) are including driving piece, worm wheel (41), worm (42) and transfer line (43), transfer line (43) are provided with four to threaded connection is in respectively backup pad (2) four corners, just transfer line (43) rotate to be connected on chassis (1), worm wheel (41) are coaxial to be set firmly on transfer line (43), worm (42) parallel arrangement has two and rotates to be connected on chassis (1), and arbitrary worm (42) and two adjacent worm wheel (41) mesh setting, the driving piece sets up on chassis (1), and can drive worm (42) rotate.

2. The scaffolding for house building construction of adjustable height according to claim 1, wherein: chassis (1) includes four montants (11) and a plurality of horizontal pole (12) that set up along the square, horizontal pole (12) both ends set up adjacent two respectively on montant (11), just montant (11) hollow setting, transfer line (43) stretch into montant (11) set up, montant (11) have been seted up along vertical direction and have been supplied spout (111) that backup pad (2) stretch into.

3. The scaffolding for house building construction according to claim 2, wherein: the cross rod (12) is arranged in a hollow mode, and the cross rod (12) is sleeved on the worm (42) and communicated with the vertical rod (11).

4. The scaffolding for house building construction according to claim 2, wherein: the underframe (1) further comprises four groups of support frames (14) which are arranged on the vertical rods (11) respectively, one end of the top wall of each support frame (14) is fixedly arranged on the vertical rod (11), and the other end of each support frame is far away from the vertical rod (11).

5. The scaffolding for house building construction according to claim 2, wherein: a plurality of reinforcing rods (15) which are arranged in a crossed manner are arranged between every two adjacent vertical rods (11), and two ends of each reinforcing rod (15) are fixedly arranged on the two adjacent vertical rods (11) respectively.

6. The scaffolding for house building construction of adjustable height according to claim 1, wherein: still include cat ladder (3) and sliding component (5), lift mouth (21) have been seted up at backup pad (2) center, just backup pad (2) are provided with three, just cat ladder (3) along vertical direction sliding connection in the centre lift mouth (21) department, sliding component (5) can make the both ends of cat ladder (3) respectively with all the other two backup pad (2) butt.

7. The scaffolding for house building construction according to claim 6, wherein: the sliding assembly (5) comprises a guide rod (51), a driving gear (52), a driven gear (53) and a rotating motor (54), the guide rod (51) is vertically and fixedly arranged on the ladder stand (3), the driving gear (52) and the driven gear (53) are meshed with each other and are rotatably connected onto the supporting plate (2), the guide rod (51) is coaxially in threaded connection with the driven gear (53), the rotating motor (54) is fixedly arranged on the supporting plate (2), and the driving gear (52) is coaxially and fixedly arranged on an output shaft of the rotating motor (54).

8. The scaffolding for house building construction according to claim 6, wherein: cat ladder (3) set up to the cylinder type, just cat ladder (3) both ends all articulate there is footboard (31), just cat ladder (3) both ends all are equipped with spacing fender ring (32) each other, just spacing fender ring (32) top wall can with footboard (31) diapire butt.

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