CN113561124A

CN113561124A - Assembly mechanism of construction scaffold

Info

Publication number: CN113561124A
Application number: CN202110877602.5A
Authority: CN
Inventors: 龚潇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-01
Filing date: 2021-08-01
Publication date: 2021-10-29

Abstract

The invention relates to an assembly mechanism of a building scaffold, which comprises a seat body; the seat body is provided with a rotating mechanism, one side of the seat body is provided with a handrail, a travelling wheel with a self-locking function is arranged below the seat body, the handrail can be conveniently pushed by a worker, and the travelling wheel is convenient for the assembly mechanism to freely move; a frame body is further arranged on one side of the seat body, and a pressing block is arranged on the frame body; according to the invention, the rotating speed and the number of rotating turns of the rotating motor are constant, and the laser distance meter is arranged on the bottom surface of the pressing block, so that the distance between the adjusting nut and the adjustable base can be kept consistent, and when the bottom supports are placed, each bottom support can be kept level, thus the flatness of the bottom of the whole construction frame is effectively improved during installation, the installation error and the flatness error caused by manual installation are reduced, and the integral assembly efficiency is improved.

Description

Assembly mechanism of construction scaffold

Technical Field

The invention relates to the technical field of scaffold assembly, in particular to an assembly mechanism of a building scaffold.

Background

Along with the development of society and the improvement of the industrial level of China, a construction scaffold used in the prior art is used for assisting workers in convenient construction, wherein a disc-buckled scaffold comprises upright rods, cross rods, vertical inclined rods, adjustable supports and a bottom support, wherein a plurality of adjustable supports form a base, the disc-buckled scaffold is vertically arranged on the ground through the base, and if the fixed positions of the bottom support on the supports in the same base are different, the base is uneven, namely the flatness of the base is influenced, so that the stability of the fixing of the scaffold is influenced;

the existing scaffold is assembled by visual inspection and then manually adjusting the height of a single adjustable support, so that the labor intensity of workers is high, the time consumption is long, the integral installation efficiency is low, the integral flatness is poor after installation, and the subsequent construction quality is influenced.

In order to solve the problems, the invention provides an assembling mechanism of a construction frame.

Disclosure of Invention

(1) Technical problem to be solved

The present invention is directed to overcome the disadvantages of the prior art, meet the needs of the art, and provide an assembling mechanism for a construction frame, so as to solve the above-mentioned technical problems.

(2) Technical scheme

In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:

an assembly mechanism of a construction frame comprises a seat body; the seat body is provided with a rotating mechanism, one side of the seat body is provided with a handrail, a travelling wheel with a self-locking function is arranged below the seat body, the handrail can be conveniently pushed by a worker, and the travelling wheel is convenient for the assembly mechanism to freely move; a frame body is further arranged on one side of the base body, and a pressing block is arranged on the frame body.

Further, rotary mechanism includes holder, swivelling chute, rotating electrical machines and rotor plate, be provided with the swivelling chute on the pedestal, the rotating electrical machines is installed to the swivelling chute bottom, the top of rotating electrical machines is connected with the rotor plate, the top of rotor plate is provided with the holder, the holder sets to arc, and the holder is provided with a plurality of, the outward flange of rotor plate has a plurality of electric cylinder through mounting panel fixed mounting, electric cylinder's end fixing sets up on the holder, the holder is used for the adjustable base of centre gripping.

Further, the briquetting upper end is provided with the indent, indent shape and adjusting nut phase-match, and the briquetting lower extreme is provided with the through-hole, and the briquetting passes through the lift cylinder to be connected on the support body, and the briquetting top is provided with rotatable limiting plate, and briquetting one side is provided with the groove that withdraws from that supplies the screw rod on the adjustable base to withdraw from, and the briquetting bottom is provided with laser range finder.

Further, an outer ring seat is arranged on the outer side of the pressing block, the pressing block is arranged to be circular, a groove is formed in the upper surface of the outer ring seat, the pressing block is located in the groove, a withdrawing groove of the pressing block penetrates through the outer ring seat, a mounting seat is arranged at the end of the lifting cylinder, a telescopic cylinder is arranged in the mounting seat, and the telescopic cylinder is fixedly connected with the outer side face of the outer ring seat.

Furthermore, the outer surface of the pressing block is provided with an outer tooth part, one side of the outer ring seat opposite to the pushing groove is provided with a wheel groove, a gear is rotatably installed in the wheel groove and driven by a stepping motor, and the gear is in meshing transmission with the outer tooth part.

Furthermore, clearance fit between briquetting and the recess, be provided with a plurality of oil ducts on the briquetting lower surface, the through-hole inner wall of outer ring seat is provided with the collar, is provided with in the collar and leads the oiled-plate, lead oiled-plate spiral distribution, lead oiled-plate tip and upwards curl into ear form descaling body, oil duct one end and clearance intercommunication, the oiled-plate is led to the other end orientation.

Further, limiting plate one end is rotated through the pivot and is installed on the briquetting, and the other end can rotate the indent top and carry out spacing compressing tightly to adjustable nut.

Furthermore, the middle part of the limiting plate is arched upwards, and a gap for fingers to enter and exit is formed between the middle part of the limiting plate and the surface of the pressing block.

Has the advantages that:

A. according to the invention, the clamping pieces are uniformly distributed on the rotating plate at equal intervals, so that the electric cylinder is controlled to synchronously extend out, the clamping pieces are driven to clamp the adjustable base, the automatic alignment effect can be realized, and the assembling accuracy is improved.

B. When the bottom bracket of the construction frame is used, the rotating speed and the number of rotating turns of the rotating motor are constant, and the laser distance meter is arranged on the bottom surface of the pressing block, so that the distance between the adjusting nut and the adjustable base can be kept consistent, and when the bottom bracket is placed, each bottom bracket can be kept close to the horizontal, the flatness of the bottom of the whole construction frame can be effectively improved during installation, installation errors and flatness errors caused by manual installation are reduced, and the whole assembly efficiency is improved.

C. In the assembly process, the gear is driven to rotate by the stepping motor, the gear drives the connected external tooth part to rotate the pressing block, the pressing block rotates to drive the adjusting nut to rotate reversely with the adjustable base, so that the assembly speed of the adjusting base can be accelerated, after the outer wall is assembled, the withdrawing groove on the pressing block is aligned with the withdrawing groove on the outer ring base, and the assembled adjusting base can be rapidly taken out at the moment, so that the integral assembly efficiency is improved; when the flatness of the whole adjustable base is observed, if the height of a local adjustable base needs to be adjusted, the adjustable base can be pushed to the corresponding adjustable base, the telescopic cylinder can be started to push the outer ring base to move forwards, the outer ring base is pushed to ascend by the aid of the lifting cylinder after entering from the exit groove, the adjusting nut falls into the pressing groove, the adjusting nut can be adjusted up and down by the aid of driving of the stepping motor, time and labor are saved for manual adjustment, and adjustment accuracy is improved.

D. The lubricating oil in the oil storage chamber can be guided out to the gap between the outer tooth part and the groove from the oil outlet by arranging the oil storage chamber, so that the lubricating oil is attached to the outer tooth part, and the attached lubricating oil can lubricate the gear and the outer tooth part when the gear and the outer tooth part are meshed, thereby reducing the abrasion caused by long-term meshing transmission between the gear and the outer tooth part and prolonging the transmission life of the gear and the outer tooth part; on the other hand, lubricating oil continuously flows downwards along the gap, so that the outer tooth part and the groove are lubricated, friction is reduced, abrasion of the outer tooth part is reduced, and the service life of the outer tooth part is further prolonged; the lubricating oil in the gap can be guided out to the oil guide plate in the through hole by the aid of the oil duct, on one hand, the screw on the adjustable base can rotate during assembly, and the lubricating oil on the oil guide plate can lubricate the screw when contacting with the screw, so that the screw and the adjustable nut can be assembled more smoothly, and the assembly efficiency is improved; on the other hand, the lug-shaped descaling body arranged at the end part of the oil guide plate can scrape dirt in the screw, so that the cleanness of the screw is improved, the corrosion of the screw is reduced, the lug-shaped descaling body can be protected at the moment that the oil guide plate is contacted with the screw, the impact fracture of the end part is avoided, and the service life of the oil guide plate is prolonged; and lead the oiled plate and fix in the through-hole through the mounting ring detachable, when leading the oiled plate wearing and tearing seriously, only need dismantle and change the mounting ring, can realize convenient changing to leading the oiled plate, convenient and fast.

Drawings

Fig. 1 is a perspective view of an embodiment of an assembly mechanism for a construction scaffold according to the present invention;

fig. 2 is a schematic cross-sectional view of an assembly mechanism of the construction frame of the present invention;

fig. 3 is a schematic top view of a press block in the assembly mechanism of the construction frame of the present invention, fig. 2;

fig. 4 is a schematic top view of the rotating mechanism of the assembly mechanism of the construction scaffold of the present invention in fig. 2;

fig. 5 is an enlarged schematic view of a structure at a in fig. 2, which is an assembling mechanism of the construction frame of the present invention;

fig. 6 is a schematic structural view of a limiting plate in an assembly mechanism diagram 3 of the construction frame according to the present invention;

fig. 7 is a schematic structural view of an oil deflector and an ear-shaped scale remover in an assembly structure of a construction scaffold according to the present invention, fig. 5.

The reference numbers are as follows:

1. a base body; 2. a traveling wheel; 3. a handrail; 4. a rotation mechanism; 41. a clamping member; 42. a rotating tank; 43. a rotating electric machine; 44. a rotating plate; 45. an electric cylinder; 46. mounting a plate; 5. a frame body; 6. briquetting; 61. pressing a groove; 62. a through hole; 63. withdrawing from the groove; 64. a limiting plate; 65. an outer tooth portion; 7. a lifting cylinder; 8. an outer ring seat; 81. a wheel groove; 82. a gear; 83. a stepping motor; 84. a telescopic cylinder; 9. a laser range finder; 10. an adjustable base; 11. a mounting seat; 12. an oil storage chamber; 13. an oil passage; 14. an oil guide plate; 15. an ear-shaped scale remover; 16. and (7) installing a ring.

Detailed Description

The invention will be further illustrated with reference to the following figures 1 to 7 and examples:

the existing scaffold is assembled by visual inspection, and then the height of a single adjustable base 10 is manually adjusted, so that the labor intensity of workers is high, the time consumption is long, the integral installation efficiency is low, the integral flatness is poor after installation, and the subsequent construction quality is affected, and further improvement is needed.

The first embodiment is as follows:

an assembly mechanism of a construction frame comprises a seat body 1; the seat body 1 is provided with a rotating mechanism 4, one side of the seat body 1 is provided with a handrail 3, a travelling wheel 2 to be self-locked is arranged below the seat body 1, the handrail 3 can be conveniently pushed by workers, and the travelling wheel 2 is convenient for assembling the mechanism to freely move; a frame body 5 is further arranged on one side of the seat body 1, and a pressing block 6 is arranged on the frame body 5;

further, the rotating mechanism 4 comprises a clamping piece 41, a rotating groove 42, a rotating motor 43 and a rotating plate 44, the rotating groove 42 is arranged on the base body 1, the rotating motor 43 is mounted at the bottom of the rotating groove 42, the rotating plate 44 is connected to the top of the rotating motor 43, the clamping piece 41 is arranged at the top of the rotating plate 44, the clamping piece 41 is arranged in a circular arc shape, the clamping piece 41 is provided with a plurality of electric cylinders 45, the outer edge of the rotating plate 44 is fixedly provided with the electric cylinders 45 through a mounting plate 46, the end parts of the electric cylinders 45 are fixedly arranged on the clamping piece 41, and the clamping piece 41 is used for clamping the adjustable base 10; because the clamping pieces 41 are uniformly distributed on the rotating plate 44 at equal intervals, the electric cylinder 45 is controlled to synchronously extend out, so that when the clamping pieces 41 are driven to clamp the adjustable base 10, the automatic alignment effect can be realized, and the assembling accuracy is improved;

further, 6 upper ends of briquetting are provided with indent 61, indent 61 shape and adjusting nut phase-match, and 6 lower extremes of briquetting are provided with through-

hole

62, and 6 connections of briquetting are on support body 5 through

lift cylinder

7, and 6 tops of briquetting are provided with rotatable limiting

plate

64, and 6 one sides of briquetting are provided with the groove 63 that withdraws from that supplies the screw rod on the adjustable base 10 to withdraw from, and 6 bottoms of briquetting are provided with laser range finder 9.

When the adjustable base 10 is installed, firstly, the base is placed on the rotating plate 44, then the electric cylinder 45 is started, the electric cylinder 45 extends out and simultaneously drives the clamping piece 41 to clamp the adjustable base 10, then the corresponding adjusting nut is placed in the pressure groove 61, then the lifting cylinder 7 is driven to descend, so that the adjusting nut corresponds to the adjustable base 10, then the rotating motor 43 is started to drive the rotating plate 44 to rotate according to the set rotating speed and the set rotating number, so that the whole adjustable base 10 rotates, meanwhile, the lifting cylinder 7 drives the pressing block 6 and the adjusting nut to move downwards, so that the adjustable nut is screwed onto the screw rod of the adjustable base 10, after the installation is finished, the limiting plate 64 is opened, then the lifting cylinder 7 continues to move downwards, so that the adjusting nut is separated from the pressure groove 61, and then the screw rod of the adjustable base 10 is pushed out of the withdrawing groove 63; the rotating speed and the number of rotating turns of the rotating motor 43 are constant, and the laser distance measuring instrument 9 is arranged on the bottom surface of the pressing block 6, so that the distance between the adjusting nut and the adjustable base 10 can be kept consistent, and when the bottom supports are placed, each bottom support can be kept nearly horizontal, so that the flatness of the bottom of the whole construction frame is effectively improved during installation, installation errors and flatness errors caused by manual installation are reduced, and the overall assembly efficiency is improved;

in addition, a plurality of rotating mechanisms 4 and corresponding pressing blocks 6 can be arranged, so that a plurality of adjustable bases 10 can be assembled at one time, and the overall assembling efficiency can be improved.

Example two:

on the basis of the first embodiment, the invention is additionally provided with a mechanism which can independently adjust the adjustable base 10; the method comprises the following specific steps:

further, an outer ring seat 8 is arranged on the outer side of the pressing block 6, the pressing block 6 is circular, a groove is formed in the upper surface of the outer ring seat 8, the pressing block 6 is located in the groove, an exit groove 63 of the pressing block 6 penetrates through the outer ring seat 8, a mounting seat 11 is arranged at the end of the lifting cylinder 7, a telescopic cylinder 84 is arranged in the mounting seat 11, and the telescopic cylinder 84 is fixedly connected with the outer side surface of the outer ring seat 8; an external tooth part 65 is arranged on the outer surface of the press block 6, a wheel groove 81 is arranged on one side of the outer ring seat 8 opposite to the push-out groove, a gear 82 is rotatably installed in the wheel groove 81, the gear 82 is driven by a stepping motor 83, and the gear 82 is in meshing transmission with the external tooth part 65;

in the assembling process, the gear 82 is driven to rotate through the stepping motor 83, the gear 82 drives the connected external tooth part 65 to enable the pressing block 6 to rotate, the pressing block 6 rotates to drive the adjusting nut to rotate reversely with the adjustable base 10, so that the assembling speed of the adjusting base can be accelerated, after the outer wall is assembled, the withdrawing groove 63 on the pressing block 6 is aligned with the withdrawing groove 63 on the outer ring base 8, the assembled adjusting base can be taken out rapidly, and the overall assembling efficiency is improved; when the flatness of the whole adjustable base 10 is observed, if the height of the local adjustable base 10 needs to be adjusted, the adjustable base can be pushed to the corresponding adjustable base 10, the telescopic cylinder 84 can be started to push the outer ring base 8 to move forwards, and after entering from the exit groove 63, the lifting cylinder 7 is used for pushing the outer ring base 8 to ascend, so that the adjusting nut falls into the pressing groove 61, the stepping motor 83 is used for driving the adjusting nut to be adjusted up and down, the time and labor for manual adjustment are reduced, and the adjusting accuracy is enhanced; the telescopic cylinder 84 can also be used for carrying out real-time micro-adjustment when the position of the pressing block 6 needs to be adjusted, so that the pressing block and the rotating mechanism 4 are always in a concentric state, and the assembly efficiency is ensured.

Furthermore, one end of the limit plate 64 is rotatably mounted on the pressing block 6 through a rotating shaft, and the other end of the limit plate can rotate to the upper part of the pressing groove 61 to limit and press the adjustable nut; the middle part of the limit plate 64 is arched upwards, and a gap for fingers to enter and exit is formed between the middle part and the surface of the pressing block 6.

By arranging the limiting plate 64, on one hand, the adjustable nut can rotate freely, the adjustable nut can be fixed and clamped conveniently and quickly, and the adjustable nut is prevented from being separated from the pressing groove 61 when being rented and assembled, so that normal assembly action is prevented from being influenced; on the other hand, the gap in the middle is formed, so that the fingers of an operator can conveniently stretch into the gap, and the convenience of manually rotating the limiting plate 64 is enhanced.

Example three:

the lubricating mechanism is added on the basis of the second embodiment; the method comprises the following specific steps:

clearance fit between briquetting 6 and the recess is equipped with a plurality of oil storage chambers 12 on the outer ring seat 8 upper surface, and the oil-out of oil storage chamber 12 is adjusted the clearance between briquetting 6 and the recess well, be provided with a plurality of oil ducts 13 on the briquetting 6 lower surface, the through-hole 62 inner wall of outer ring seat 8 is provided with collar 16, is provided with in the collar 16 and leads oil board 14, lead oil board 14 spiral distribution, lead 14 tip of oil board and upwards curl into auricle descaling body 15, oil duct 13 one end and clearance intercommunication, the other end is led oil board 14 towards.

By arranging the oil storage chamber 12, an oil outlet can be opened through a control valve, lubricating oil in the oil storage chamber 12 is periodically led out to a gap between the external tooth part 65 and the groove from the oil outlet, on one hand, the lubricating oil is adhered to the external tooth part 65, and the adhered lubricating oil can lubricate the gear 82 and the external tooth part 65 when the gear 82 and the external tooth part are meshed, so that abrasion caused by long-term meshing transmission between the gear 82 and the external tooth part is reduced, and the transmission life of the gear and the external tooth part is prolonged; on the other hand, the lubricating oil continuously flows down along the gap, so that the outer tooth part 65 and the groove are lubricated, friction is reduced, abrasion of the outer tooth part 65 is reduced, and the service life of the outer tooth part 65 is further prolonged; the arranged oil duct 13 can guide the lubricating oil in the gap out of the oil guide plate 14 in the through hole 62, so that on one hand, the screw on the adjustable base 10 can rotate during assembly, and the lubricating oil on the oil guide plate 14 can lubricate the screw when contacting with the screw, so that the assembly of the screw and the adjustable nut is smoother, and the assembly efficiency is improved; on the other hand, the ear-shaped descaling body 15 arranged at the end part of the oil guide plate 14 can scrape off dirt in the screw, so that the cleanness of the screw is improved, the corrosion of the screw is reduced, the ear-shaped descaling body 15 can be protected at the moment that the oil guide plate 14 is contacted with the screw, the impact and the fracture of the end part are avoided, and the service life of the oil guide plate 14 is prolonged; and the oil guide plate 14 is detachably fixed in the through hole 62 through the mounting ring 16, when the oil guide plate 14 is seriously abraded, the oil guide plate 14 can be conveniently replaced by only dismounting and replacing the mounting ring 16, and the oil guide plate is convenient and quick.

The invention has the beneficial effects that:

when the adjustable base 10 is installed, firstly, the base is placed on the rotating plate 44, then the electric cylinder 45 is started, the electric cylinder 45 extends out and simultaneously drives the clamping piece 41 to clamp the adjustable base 10, then the corresponding adjusting nut is placed in the pressure groove 61, then the lifting cylinder 7 is driven to descend, so that the adjusting nut corresponds to the adjustable base 10, then the rotating motor 43 is started to drive the rotating plate 44 to rotate according to the set rotating speed and the set rotating number, so that the whole adjustable base 10 rotates, meanwhile, the lifting cylinder 7 drives the pressing block 6 and the adjusting nut to move downwards, so that the adjustable nut is screwed onto the screw rod of the adjustable base 10, after the installation is finished, the limiting plate 64 is opened, then the lifting cylinder 7 continues to move downwards, so that the adjusting nut is separated from the pressure groove 61, and then the screw rod of the adjustable base 10 is pushed out of the withdrawing groove 63; the rotating speed and the number of rotating turns of the rotating motor 43 are constant, and the laser distance measuring instrument 9 is arranged on the bottom surface of the pressing block 6, so that the distance between the adjusting nut and the adjustable base 10 can be kept consistent, and when the bottom supports are placed, each bottom support can be kept nearly horizontal, so that the flatness of the bottom of the whole construction frame is effectively improved during installation, installation errors and flatness errors caused by manual installation are reduced, and the overall assembly efficiency is improved; because the clamping pieces 41 are uniformly distributed on the rotating plate 44 at equal intervals, the electric cylinder 45 is controlled to synchronously extend out, so that when the clamping pieces 41 are driven to clamp the adjustable base 10, the automatic alignment effect can be realized, and the assembling accuracy is improved;

in the assembling process, the gear 82 is driven to rotate through the stepping motor 83, the gear 82 drives the connected external tooth part 65 to enable the pressing block 6 to rotate, the pressing block 6 rotates to drive the adjusting nut to rotate reversely with the adjustable base 10, so that the assembling speed of the adjusting base can be accelerated, after the outer wall is assembled, the withdrawing groove 63 on the pressing block 6 is aligned with the withdrawing groove 63 on the outer ring base 8, the assembled adjusting base can be taken out rapidly, and the overall assembling efficiency is improved; when the flatness of the whole adjustable base 10 is observed, if the height of the local adjustable base 10 needs to be adjusted, the adjustable base can be pushed to the corresponding adjustable base 10, the telescopic cylinder 84 can be started to push the outer ring base 8 to move forwards, and after entering from the exit groove 63, the lifting cylinder 7 is used for pushing the outer ring base 8 to ascend, so that the adjusting nut falls into the pressing groove 61, the stepping motor 83 is used for driving the adjusting nut to be adjusted up and down, the time and labor for manual adjustment are reduced, and the adjusting accuracy is enhanced;

by arranging the limiting plate 64, on one hand, the adjustable nut can rotate freely, the adjustable nut can be fixed and clamped conveniently and quickly, and the adjustable nut is prevented from being separated from the pressing groove 61 when being rented and assembled, so that normal assembly action is prevented from being influenced; on the other hand, the gap in the middle is arranged, so that fingers of an operator can conveniently extend into the gap, and the convenience of manually rotating the limit plate 64 is enhanced;

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims

1. An assembling mechanism of a building scaffold comprises a seat body (1); the automatic self-locking device is characterized in that a rotating mechanism (4) is arranged on the seat body (1), a handrail (3) is arranged on one side of the seat body (1), a travelling wheel (2) with a self-locking function is arranged below the seat body (1), the handrail (3) can be conveniently pushed by a worker, and the travelling wheel (2) is convenient for assembling a mechanism to freely move; pedestal (1) one side still is provided with support body (5), be provided with briquetting (6) on support body (5), rotary mechanism (4) include holder (41), swivelling chute (42), rotating electrical machines (43) and rotor plate (44), be provided with swivelling chute (42) on pedestal (1), rotating electrical machines (43) are installed to swivelling chute (42) bottom, the top of rotating electrical machines (43) is connected with rotor plate (44).

2. A mechanism for assembling a construction frame as claimed in claim 1, wherein: the top of rotor plate (44) is provided with holder (41), holder (41) set to arc, and holder (41) are provided with a plurality of, the outward flange of rotor plate (44) passes through mounting panel (46) fixed mounting has a plurality of electric cylinder (45), the end fixing of electric cylinder (45) sets up on holder (41), holder (41) are used for centre gripping adjustable base (10).

3. A mechanism for assembling a construction frame as claimed in claim 2, wherein: briquetting (6) upper end is provided with indent (61), indent (61) shape and adjusting nut phase-match, and briquetting (6) lower extreme is provided with through-hole (62), and briquetting (6) are connected on support body (5) through lift cylinder (7), and briquetting (6) top is provided with rotatable limiting plate (64), and briquetting (6) one side is provided with the groove (63) that withdraws from that supplies the screw rod on adjustable base (10) to withdraw from, and briquetting (6) bottom is provided with laser range finder (9).

4. A mechanism for assembling a construction frame as claimed in claim 3, wherein: briquetting (6) outside is provided with outer ring seat (8), briquetting (6) set to circularly, be provided with the recess on outer ring seat (8) upper surface, briquetting (6) are located the recess, and withdrawal groove (63) of briquetting (6) run through to outer ring seat (8) on, the tip of lift cylinder (7) is provided with mount pad (11), be provided with telescopic cylinder (84) in mount pad (11), telescopic cylinder (84) and outer ring seat (8) lateral surface fixed connection.

5. The assembly mechanism for a construction scaffold of claim 4, wherein: the outer surface of the pressing block (6) is provided with an outer tooth part (65), one side, opposite to the pushing groove, of the outer ring seat (8) is provided with a wheel groove (81), a gear (82) is rotatably mounted in the wheel groove (81), the gear (82) is driven by a stepping motor (83), and the gear (82) is in meshing transmission with the outer tooth part (65).

6. The assembly mechanism for a construction scaffold of claim 4, wherein: clearance fit between briquetting (6) and the recess is equipped with a plurality of oil storage chambers (12) on outer ring seat (8) upper surface, and the oil-out of oil storage chamber (12) is adjusted the clearance between briquetting (6) and the recess well, be provided with a plurality of oil ducts (13) on briquetting (6) lower surface, through-hole (62) inner wall of outer ring seat (8) is provided with collar (16), is provided with in collar (16) and leads oiled plate (14), lead oiled plate (14) spiral distribution, lead oiled plate (14) tip and upwards curl into ear form except that dirt body (15), oil duct (13) one end and clearance intercommunication, other end orientation lead oiled plate (14).

7. A mechanism for assembling a construction frame as claimed in claim 3, wherein: one end of the limiting plate (64) is rotatably installed on the pressing block (6) through the rotating shaft, and the other end of the limiting plate can rotate to the position above the pressing groove (61) to limit and compress the adjustable nut.

8. A mechanism for assembling a construction frame as claimed in claim 7, wherein: the middle part of the limiting plate (64) is arched upwards, and a gap for fingers to enter and exit is formed between the limiting plate and the surface of the pressing block (6).