CN114541722A - But height-adjusting's scaffold frame for house construction - Google Patents

Abstract

The utility model belongs to the technical field of scaffold and specifically relates to a but height-adjusting's scaffold frame for house construction is related to, it includes a plurality of backup pads that set up at vertical direction interval, sets up the lifting unit between every two adjacent backup pads, lifting unit including the symmetry set up in two sets of elevating system of backup pad both sides, elevating system includes a pair of first connecting block of sliding connection in upper backup pad, a pair of second connecting block of sliding connection in lower floor's backup pad, both ends articulate respectively in the head rod of first connecting block and second connecting block, both ends articulate respectively in the second connecting rod of first connecting block and second connecting block, are used for driving the driving piece that the second connecting block is close to each other or keeps away from each other, it is articulated each other in cross arrangement and middle part to be between head rod and the second connecting rod. This application has the effect of being convenient for adjust scaffold height.

Description

But height-adjusting's scaffold frame for house construction

Technical Field

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

Background

Scaffolding refers to various supports erected on a construction site for workers to handle and solve vertical and horizontal transportation. The general term of the building industry refers to the places which cannot be directly constructed on the building site and are used for exterior wall, interior decoration or high floor height. Mainly dry live from top to bottom or peripheral safety net is maintained and high altitude installation component etc. for constructor, say that exactly be the scaffold, scaffold frame preparation material usually has: bamboo, wood, steel pipes or synthetic materials, etc. Some projects also use scaffolds as templates, and in addition, the scaffold is widely used in advertising, municipal administration, traffic roads and bridges, mines and other departments.

The utility model discloses a supporting scaffold for buildings, such as a Chinese patent No. CN205369861U, which comprises a scaffold main supporting rod, a scaffold bottom plate, a plurality of groups of scaffold cross rod connecting components and a plurality of scaffold cross rods; the lower ends of the scaffold main supporting rods are vertically arranged in the center of the top of the scaffold bottom plate, the multiple groups of scaffold cross rod connecting assemblies are respectively arranged on the scaffold main supporting rods at intervals, and the multiple scaffold cross rods are respectively and horizontally connected to the scaffold main supporting rods through the multiple groups of scaffold cross rod connecting assemblies; every group scaffold frame horizontal pole coupling assembling include PMKD, overlap and insert a groove board, many connect the inserted sheet, a plurality of horizontal poles are inserted a section of thick bamboo, a plurality of connecting bolt, polylith locking connection piece, are cup jointed through-hole, a plurality of inserted sheet through-hole and height indicator lamp.

In view of the above-mentioned related technologies, the inventor believes that, in the using process of the scaffold, when the scaffold meets the building construction with different heights, the scaffold needs to be dismantled and reassembled according to the height of the building, so that the normal use of the scaffold for building construction is affected, the working efficiency of the scaffold for building construction is reduced, and the using efficiency of the scaffold for building construction is also reduced.

Disclosure of Invention

In order to facilitate the height of adjusting the scaffold, this application provides a but height-adjusting scaffold for building construction.

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, includes a plurality of backup pads that set up at vertical direction interval, sets up the lifting unit between every two adjacent backup pads, lifting unit including the symmetry set up in two sets of elevating system of backup pad both sides, elevating system includes that sliding connection articulates respectively in the head rod of head rod and second connecting block, both ends hinge respectively in the second connecting rod of head rod and second connecting block, be used for driving the driving piece that the second connecting block was close to each other or was kept away from each other in a pair of first connecting block, sliding connection of sliding connection in upper backup pad, a pair of second connecting block, both ends of lower floor's backup pad, be between head rod and the second connecting rod cross arrangement and middle part articulated each other.

Through adopting above-mentioned technical scheme, when scaffold height is adjusted to needs, through the driving piece, make and be located being close to each other or keeping away from each other between two second connecting blocks in the backup pad of lower floor, under the effect of head rod and second connecting rod, two first connecting blocks that are located the upper backup pad are close to each other or keep away from each other in step, under two sets of elevating system's of symmetry cooperation, thereby can promote the regulation of keeping away from each other or being close to each other between the backup pad of lower floor, make whole scaffold height go up and down to suitable position, the staff of being convenient for uses.

Preferably, the driving member comprises a bidirectional threaded screw rod which is rotatably supported on the supporting plate through a shaft seat, a positive thread section and a negative thread section with opposite thread turning directions are respectively arranged at two ends of the bidirectional threaded screw rod, the two second connecting blocks are respectively connected to the positive thread section and the negative thread section in a sliding manner, and a first driving device for driving the bidirectional threaded screw rod to synchronously rotate is arranged between the two groups of lifting mechanisms.

Through adopting above-mentioned technical scheme, through setting up two-way screw lead screw, when needs drive second connecting block remove, through a drive arrangement, make two-way screw lead screw synchronous revolution among two sets of elevating system, under the cooperation of positive screw thread section and negative screw thread section, the second connecting block that makes both sides can carry out the motion of being close to each other or keeping away from each other, and through screw drive's mode for the second connecting block is adjusting the back and is passing through the screw thread auto-lock, the simple operation.

Preferably, the lifting mechanism further comprises a fixing rod fixedly connected to the upper supporting plate and parallel to the two-way threaded screw rod, and the first connecting blocks are all slidably connected to the fixing rod.

Through adopting above-mentioned technical scheme, through setting up the dead lever, make first connecting block sliding connection in dead lever, strengthen the relation of connection between first connecting block and the backup pad, make first connecting block more stable at the removal in-process.

Preferably, the bottom surface of the supporting plate is fixedly connected with a first positioning belt parallel to the fixing rod, a first positioning groove matched with the first positioning belt is formed in the top of the first connecting block, the first connecting block is connected with the first positioning belt through the first positioning groove in a sliding mode, the top surface of the supporting plate is fixedly connected with a second positioning belt parallel to the two-way threaded screw rod, a second positioning groove matched with the second positioning belt is formed in the bottom of the second connecting block, and the second connecting block is connected with the second positioning belt through the second positioning groove in a sliding mode.

Through adopting above-mentioned technical scheme, under the cooperation of first constant head tank and first constant head tank, make to be sliding fit between first connecting block and the first constant head tank, under the cooperation of second constant head tank and second constant head tank, make to be sliding fit between second connecting block and the second constant head tank to promote the stability of being connected between first connecting block and second connecting block and the backup pad, and further inject the position appearance of first connecting block and second connecting block self.

Preferably, the thread form of positive thread section and negative thread section all sets up to the cockscomb structure screw thread, the connecting hole that supplies two-way screw lead screw to pass is seted up to first connecting block, its radially extending's mounting groove is seted up along to the connecting hole inner wall, sliding connection has and two-way screw lead screw matched with engaging tooth in the mounting groove, engaging tooth threaded connection in the thread groove of two-way screw lead screw, the mounting groove inner wall with be equipped with reset spring, both sides between the engaging tooth when first connecting block is close to each other, the engaging tooth is in withdraw under the drive of the thread groove wall of two-way screw lead screw in the mounting groove.

Through adopting above-mentioned technical scheme, set up the screw thread profile of two-way screw lead screw into the cockscomb structure, make the second connecting block of both sides when carrying out the motion that is close to each other, in the mounting groove is withdrawed to the thread groove inner wall drive connection tooth through two-way screw lead screw, can directly rise through the mode of lifting between the adjacent two-layer backup pad promptly, need not drive through the rotation of two-way screw lead screw, promote the efficiency of adjusting the scaffold.

Preferably, the first driving device comprises a shell, a worm rotatably supported in the shell, a pair of rotating shafts which are parallel to each other and are rotatably supported in the shell respectively, a pair of rotating shafts which are coaxially and fixedly connected with the rotating shafts and meshed with the worm wheel of the worm respectively, and a first driving motor fixedly installed outside the shell and connected with the worm, wherein one end of the bidirectional threaded screw rod is fixedly connected with a driving block provided with a hexagonal groove, and one end of the rotating shaft extends out of the shell and is fixedly connected with a hexagonal block matched with the hexagonal groove.

Through adopting above-mentioned technical scheme, under the cooperation of worm wheel, worm and axis of rotation, when needs carry out synchronous drive to the two-way screw lead screw in two sets of corresponding elevating system, through pegging graft in hexagonal inslot with hexagonal piece one-to-one to start first driving motor, make first driving motor drive two axis of rotation rotations in step through the transmission of worm wheel and worm, and under the cooperation in hexagonal piece and hexagonal groove, carry out synchronous drive to two-way screw lead screws.

Preferably, the device further comprises a second driving device for driving the upper layer and the lower layer to be away from each other between the supporting plates, the second driving device comprises a first fixing block, a second fixing block, a guide rod fixedly connected between the first fixing block and the second fixing block, a driving screw rod with two ends respectively rotatably supported between the first fixing block and the second fixing block, a moving block slidably connected to the guide rod and in threaded connection with the driving screw rod, and a second driving motor fixedly installed on the first fixing block and connected to the driving screw rod, one side of the first fixing block, which is the same as the moving block, is fixedly connected with an insertion block, and the side wall of each supporting plate is provided with an insertion groove matched with the insertion block.

Through adopting above-mentioned technical scheme, under the cooperation of first fixed block, the second fixed block, the guide bar, the driving screw and movable block, when needs lift the backup pad of adjacent both sides, through correspondingly pegging graft the piece in the inserting groove of backup pad lateral wall with pegging graft, and start second driving motor, it is rotatory to make second driving motor drive driving screw, under the cooperation of guide bar, make the movable block remove towards the direction of second fixed block, thereby drive and keep away from each other between the backup pad, make the scaffold frame rise fast.

Preferably, be equipped with the step between every two adjacent backup pads, and seted up logical groove in the upper backup pad, step one end articulate in logical inslot, just the step rotates accomodate in logical inslot, be crisscross the setting between two adjacent steps in the horizontal direction.

Through adopting above-mentioned technical scheme, through setting up the step, open the back at adjacent two-layer backup pad, the step other end is followed logical inslot and is unscrewed to the butt is in the backup pad of lower floor, so that the staff removes between the upper strata and the lower floor of scaffold frame, and the security is high.

Preferably, the top surface of the lower supporting plate is provided with a plurality of ratchets which are linearly arranged along the line, and the bottom end of the step ladder is tapered and clamped in the ratchets.

Through adopting above-mentioned technical scheme, through setting up the ratchet, open the back at the step upset, its bottom joint is on the ratchet to make the step wholly more stable, difficult emergence is rocked, and can play the supporting role to upper and lower two-layer backup pad, make the scaffold frame wholly more stable.

Preferably, the bottom of the supporting plate at the bottommost layer is provided with a plurality of self-locking universal wheels.

Through adopting above-mentioned technical scheme, through setting up the universal wheel in backup pad bottom to adjust and remove the position of scaffold frame, the staff of being convenient for carries out construction work.

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

1. the two groups of lifting mechanisms are arranged to drive the upper and lower layers of adjacent supporting plates to adjust the distance, the structure is stable, and under the matching of the first connecting rod and the second connecting rod, workers can be protected, so that the safety is high;

2. the scaffold is lifted by arranging the first driving device and the second driving device, so that the scaffold is convenient to operate and store;

3. through setting up the step ladder to the staff removes between the upper strata and the lower floor of scaffold frame, and the security is high.

Drawings

Fig. 1 is an overall structural schematic diagram of the present embodiment.

Fig. 2 is a partial sectional view of the present embodiment.

Fig. 3 is a partial sectional view of the present embodiment.

Fig. 4 is a partially enlarged view of a portion a in fig. 2.

Fig. 5 is a schematic structural diagram of the interior of the first driving device in this embodiment.

Fig. 6 is a schematic structural diagram of a second driving device in the present embodiment.

Description of reference numerals: 1. a support plate; 2. a lifting assembly; 3. a self-locking universal wheel; 4. a lifting mechanism; 5. a first connection block; 6. a second connecting block; 7. a first connecting rod; 8. a second connecting rod; 9. a drive member; 10. fixing the rod; 11. a fixed seat; 12. a shaft seat; 13. a bidirectional threaded screw rod; 14. connecting holes; 15. mounting grooves; 16. a connecting tooth; 17. a return spring; 18. a first positioning belt; 19. a first positioning groove; 20. a second positioning belt; 21. a second positioning groove; 22. a first driving device; 23. a housing; 24. a worm; 25. a rotating shaft; 26. a worm gear; 27. a first drive motor; 28. a drive block; 29. a hexagonal groove; 30. a hexagonal block; 31. a second driving device; 32. a first fixed block; 33. a second fixed block; 34. a guide bar; 35. driving the screw rod; 36. a moving block; 37. a second drive motor; 38. an insertion block; 39. inserting grooves; 40. a step ladder; 41. a through groove; 42. a ratchet.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses but height-adjusting's scaffold frame for house construction. Referring to fig. 1-6, a height-adjustable scaffold for building construction includes a plurality of backup pads 1 that set up at vertical direction interval, sets up lifting unit 2 between every two adjacent backup pads 1, wherein, backup pad 1 is rectangle and level setting, and 1 bottom surface four corners department of backup pad of bottommost layer all is equipped with auto-lock type universal wheel 3 to adjust and remove the position of scaffold, the staff of being convenient for carries out construction work.

The lifting component 2 comprises two groups of lifting mechanisms 4 which are symmetrically arranged at two sides of the supporting plate 1 along the width direction of the supporting plate 1, the lifting mechanisms 4 comprise a pair of first connecting blocks 5 which are connected with the supporting plate 1 at the upper layer in a sliding way, a pair of second connecting blocks 6 which are connected with the supporting plate 1 at the lower layer in a sliding way, first connecting rods 7 of which two ends are respectively hinged with the first connecting blocks 5 and the second connecting blocks 6, second connecting rods 8 of which two ends are respectively hinged with the first connecting blocks 5 and the second connecting blocks 6, driving pieces 9 for driving the second connecting blocks 6 to be close to or far away from each other, and fixing rods 10 which are fixedly connected with the supporting plate 1 at the upper layer, wherein, the first connecting rod 7 and the second connecting rod 8 are arranged in a crossed way, the middle parts of the first connecting rod and the second connecting rod are hinged with each other, two ends of a fixed rod 10 are fixedly connected with the bottom surface of the supporting plate 1 through a fixed seat 11, and is parallel interval setting between and the backup pad 1, and equal sliding connection in dead lever 10 of first connecting block 5.

The driving part 9 comprises a bidirectional threaded screw rod 13 which is rotatably supported on the supporting plate 1 through a shaft seat 12, two ends of the bidirectional threaded screw rod 13 are respectively provided with a positive thread section and a negative thread section with opposite thread turning directions, and the two second connecting blocks 6 are respectively connected with the positive thread section and the negative thread section in a sliding manner.

When scaffold height is adjusted to needs, through rotating two-way screw lead screw 13, make and be located being close to each other or keep away from each other between two second connecting blocks 6 on lower floor's backup pad 1, under the effect of head rod 7 and second connecting rod 8, two first connecting blocks 5 that are located upper backup pad 1 are synchronous to be close to each other or keep away from each other, under the cooperation of two sets of elevating system 4 of symmetry, thereby can promote the regulation of keeping away from each other or being close to each other between lower floor's backup pad 1, make whole scaffold height go up-down to suitable position.

For the efficiency that promotes scaffold frame rising, all set up the screw thread profile of positive thread section and negative thread section into the cockscomb structure screw thread, connecting hole 14 that supplies two-way screw lead screw 13 to pass is all seted up to first connecting block 5, mounting groove 15 along its radial extension is seted up to connecting hole 14 inner wall, sliding connection has in mounting groove 15 with two-way screw lead screw 13 matched with engaging tooth 16, engaging tooth 16 threaded connection is in two-way screw lead screw 13's thread inslot, be equipped with reset spring 17 between mounting groove 15 inner wall and the engaging tooth 16, when the first connecting block 5 of both sides was close to each other, engaging tooth 16 withdraws in mounting groove 15 under the drive of the thread groove wall of two-way screw lead screw 13.

When the second connecting blocks 6 on the two sides move close to each other, the connecting teeth 16 are driven by the inner wall of the thread groove of the two-way thread screw rod 13 to be retracted into the mounting groove 15, namely, the two adjacent layers of the supporting plates 1 can be directly lifted in a lifting mode without being driven by the rotation of the two-way thread screw rod 13.

For making first connecting block 5 and second connecting block 6 remove more stably, 1 bottom surface fixedly connected with of backup pad is on a parallel with the first locating strap 18 of dead lever 10, first locating slot 19 with first locating strap 18 matched with is all seted up at first connecting block 5 top, first connecting block 5 passes through first locating slot 19 sliding connection in first locating strap 18, 1 top surface fixedly connected with of backup pad is on a parallel with the second locating strap 20 of two-way screw lead screw 13, second locating slot 21 with second locating strap 20 matched with is all seted up to second connecting block 6 bottom, second connecting block 6 passes through second locating slot 21 sliding connection in second locating strap 20, promote the stability of being connected between first connecting block 5 and second connecting block 6 and backup pad 1, and further limited the position appearance of first connecting block 5 and second connecting block 6 self.

In order to synchronously drive the two-way threaded screw rods 13 in the two groups of lifting mechanisms 4 to synchronously rotate, a first driving device 22 is further arranged. The first driving device 22 includes a housing 23, a worm 24 rotatably supported in the housing 23, a pair of rotating shafts 25 rotatably supported in the housing 23 and parallel to each other, worm gears 26 coaxially and fixedly connected to the rotating shafts 25 and engaged with the worm 24, and a first driving motor 27 fixedly mounted outside the housing 23 and connected to the worm 24, wherein one end of each of the two-way threaded screws 13 is fixedly connected to a driving block 28 having a hexagonal groove 29, and one end of each of the rotating shafts 25 extends out of the housing 23 and is fixedly connected to a hexagonal block 30 matched with the hexagonal groove 29.

When two groups of corresponding bidirectional threaded screw rods 13 in the lifting mechanism 4 need to be synchronously driven, the hexagonal blocks 30 are correspondingly inserted into the hexagonal grooves 29 one by one, and the first driving motor 27 is started, so that the first driving motor 27 synchronously drives the two rotating shafts 25 to rotate through the transmission of the worm wheel 26 and the worm 24, and the two bidirectional threaded screw rods 13 are synchronously driven under the matching of the hexagonal blocks 30 and the hexagonal grooves 29.

In order to conveniently lift the adjacent two layers of supporting plates 1, a second driving device 31 for driving the upper and lower layers of supporting plates 1 to be away from each other is further arranged, the second driving device 31 comprises a first fixing block 32 and a second fixing block 33, a guide rod 34 fixedly connected between the first fixing block 32 and the second fixing block 33, a driving screw 35 with two ends respectively and rotatably supported between the first fixing block 32 and the second fixing block 33, a moving block 36 slidably connected to the guide rod 34 and in threaded connection with the driving screw 35, and a second driving motor 37 fixedly installed on the first fixing block 32 and connected to the driving screw 35, wherein the same side of the first fixing block 32 and the moving block 36 is fixedly connected with an inserting block 38, and the side wall of each supporting plate 1 is provided with an inserting groove 39 matched with the inserting block 38.

When the support plates 1 on two adjacent sides need to be lifted, the insertion blocks 38 are correspondingly inserted into the insertion grooves 39 in the side walls of the support plates 1, the second driving motor 37 is started, the second driving motor 37 drives the driving screw 35 to rotate, the moving block 36 moves towards the direction of the second fixing block 33 under the matching of the guide rods 34, so that the support plates 1 are driven to be away from each other, and the scaffold can be quickly lifted.

For the staff removes on every layer of backup pad 1, be equipped with step 40 between every two adjacent backup pads 1 for being convenient for, and seted up logical groove 41 on the upper backup pad 1, step 40 one end articulates in logical groove 41, and step 40 rotates and accomodates in logical groove 41, and 1 top surface of lower floor's backup pad is equipped with a plurality of ratchets 42 of arranging along the line, and step 40 bottom sets up to taper and joint in ratchets 42.

Through setting up step 40, open the back at adjacent two-layer backup pad 1, the step 40 other end is followed logical groove 41 internal rotation and is pushed out the butt on the backup pad 1 of lower floor, and its bottom joint between ratchet 42 to make step 40 whole more stable, the staff of being convenient for removes between the upper strata and the lower floor of scaffold, and the security is high.

The implementation principle of the scaffold for building construction with adjustable height in the embodiment of the application is as follows:

when the scaffold needs to be lifted up, the two insertion blocks 38 of the second driving device 31 are inserted into the insertion grooves 39 on the side walls of the two adjacent layers of supporting plates 1 in a one-to-one correspondence manner, the second driving motor 37 is started, the second driving motor 37 drives the driving lead screw 35 to rotate, and under the cooperation of the guide rod 34, the moving block 36 moves towards the direction of the second fixing block 33, so that the supporting plates 1 are driven to be away from each other, and the scaffold can be quickly lifted up.

When the scaffold needs to be lowered, the two hexagonal blocks 30 on the first driving device 22 are correspondingly inserted into the hexagonal grooves 29 at the ends of the two-way threaded screws 13 one by one, the first driving motor 27 is started, the first driving motor 27 synchronously drives the two rotating shafts 25 to rotate through the transmission of the worm gear 26 and the worm 24, the two-way threaded screws 13 synchronously rotate under the matching of the hexagonal blocks 30 and the hexagonal grooves 29, the two second connecting blocks 6 on the lower-layer supporting plate 1 are driven to be away from each other, the two first connecting blocks 5 on the upper-layer supporting plate 1 are driven to be away from each other under the action of the first connecting rod 7 and the second connecting rod 8, and the distance between the upper-layer supporting plate 1 and the lower-layer supporting plate 1 is reduced under the matching of the two symmetrical sets of lifting mechanisms 4, so that the height of the whole scaffold is lowered to a proper position.

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 (10)

1. The utility model provides a but height-adjusting's scaffold frame for house construction which characterized in that: comprises a plurality of supporting plates (1) arranged at intervals in the vertical direction, and a lifting component (2) arranged between every two adjacent supporting plates (1), the lifting component (2) comprises two groups of lifting mechanisms (4) which are symmetrically arranged at two sides of the supporting plate (1), the lifting mechanism (4) comprises a pair of first connecting blocks (5) which are connected with the upper layer supporting plate (1) in a sliding way, a pair of second connecting blocks (6) which are connected with the lower layer supporting plate (1) in a sliding way, first connecting rods (7) with two ends respectively hinged to the first connecting blocks (5) and the second connecting blocks (6), second connecting rods (8) with two ends respectively hinged to the first connecting blocks (5) and the second connecting blocks (6), and driving pieces (9) for driving the second connecting blocks (6) to approach to or keep away from each other, the first connecting rod (7) and the second connecting rod (8) are arranged in a crossed mode, and the middle portions of the first connecting rod and the second connecting rod are hinged to each other.

2. The scaffolding for building construction of adjustable height according to claim 1, wherein: the driving piece (9) comprises a bidirectional threaded screw rod (13) which is rotatably supported on the supporting plate (1) through a shaft seat (12), a positive thread section and a negative thread section with opposite thread turning directions are respectively arranged at two ends of the bidirectional threaded screw rod (13), the two second connecting blocks (6) are respectively connected to the positive thread section and the negative thread section in a sliding mode, and a first driving device (22) which is used for driving the bidirectional threaded screw rod (13) to rotate synchronously is arranged between the two groups of lifting mechanisms (4).

3. The scaffolding for building construction of adjustable height according to claim 2, wherein: the lifting mechanism (4) further comprises a fixing rod (10) which is fixedly connected to the upper supporting plate (1) and parallel to the two-way threaded screw rod (13), and the first connecting blocks (5) are all connected to the fixing rod (10) in a sliding mode.

4. A scaffolding for building construction according to claim 3, wherein: backup pad (1) bottom surface fixedly connected with is on a parallel with first constant head tank (18) of dead lever (10), first link block (5) top all seted up with first constant head tank (19) of first constant head tank (18) matched with, first link block (5) through first constant head tank (19) sliding connection in first constant head tank (18), backup pad (1) top surface fixedly connected with is on a parallel with second constant head tank (20) of two-way screw lead screw (13), second link block (6) bottom all seted up with second constant head tank (21) of second constant head tank (20) matched with, second link block (6) through second constant head tank (21) sliding connection in second constant head tank (20).

5. The scaffolding for building construction of adjustable height according to claim 2, wherein: the screw thread profile of positive thread section and negative thread section all sets up to the cockscomb structure screw thread, connecting hole (14) that supply two-way screw lead screw (13) to pass are seted up in first connecting block (5), mounting groove (15) along its radial extension are seted up to connecting hole (14) inner wall, sliding connection has and connects tooth (16) with two-way screw lead screw (13) matched with in mounting groove (15), connect tooth (16) threaded connection in the thread groove of two-way screw lead screw (13), mounting groove (15) inner wall with be equipped with reset spring (17), both sides between connection tooth (16) when first connecting block (5) are close to each other, connect tooth (16) and be in withdraw under the drive of the thread groove wall of two-way screw lead screw (13) in mounting groove (15).

6. The scaffolding for building construction of adjustable height according to claim 2, wherein: first drive arrangement (22) include casing (23), rotate the support in worm (24) in casing (23), respectively rotate the support in casing (23) and a pair of axis of rotation (25) that are parallel to each other, coaxial fixed connection respectively in axis of rotation (25) and meshing in worm wheel (26) of worm (24), fixed mounting in casing (23) outside and connect in the first driving motor (27) of worm (24), the equal fixedly connected with in two-way screw lead screw (13) one end has drive piece (28) of seting up hexagonal groove (29), axis of rotation (25) one end all stretches out casing (23) outside and fixedly connected with hexagonal groove (29) matched with hexagonal piece (30).

7. The scaffolding for building construction of adjustable height according to claim 5, wherein: also comprises a second driving device (31) for driving the upper and lower supporting plates (1) to move away from each other, the second driving device (31) comprises a first fixed block (32) and a second fixed block (33), a guide rod (34) fixedly connected between the first fixed block (32) and the second fixed block (33), a driving screw rod (35) with two ends respectively rotatably supported between the first fixed block (32) and the second fixed block (33), a moving block (36) slidably connected to the guide rod (34) and in threaded connection with the driving screw rod (35), and a second driving motor (37) fixedly mounted on the first fixed block (32) and connected to the driving screw rod (35), the same side of the first fixed block (32) and the moving block (36) is fixedly connected with an inserting block (38), the lateral wall of the supporting plate (1) is provided with inserting grooves (39) matched with the inserting blocks (38).

8. The scaffolding for building construction of adjustable height according to claim 5, wherein: all be equipped with step (40) between every two adjacent backup pads (1), and offer on upper backup pad (1) along the logical groove (41) that vertical direction runs through, step (40) one end articulate in lead to in groove (41), just step (40) rotate accomodate in lead to in groove (41), be crisscross setting on the horizontal direction between two adjacent steps (40).

9. The scaffold for building construction with adjustable height according to claim 8, wherein: the top surface of the lower supporting plate (1) is provided with a plurality of ratchets (42) which are linearly arranged, and the bottom end of the step ladder (40) is set to be conical and is clamped with the ratchets (42).

10.

The scaffolding for building construction of adjustable height according to claim 1, wherein: the bottom of the supporting plate (1) at the bottommost layer is provided with a plurality of self-locking universal wheels (3).

Images