CN219548318U - Prefabricated integrated assembly type combined support - Google Patents

Abstract

The utility model discloses a prefabricated integrated assembled combined support, which belongs to the field of constructional engineering and comprises a support frame, wherein a plurality of first telescopic support legs are arranged on the support frame, the first telescopic support legs are rotatably connected with the support frame, torsion springs are arranged at the joints of the first telescopic support legs and the support frame, a folding support plate is arranged on the support frame, the folding support plate is clamped with the end part, far away from the telescopic support legs, of the support frame, a support rod for improving stability is arranged on the folding support plate, the support rod penetrates into the folding support plate, the support rod is in sliding fit with the folding support plate, the end part, far away from the folding support plate, of the support rod penetrates into the first telescopic support leg, the support rod is in splicing fit with the telescopic support legs, and a stabilizing component for fixing the folding support plate is arranged on the support frame. The utility model has the effect of facilitating the rapid assembly of the bracket by operators.

Description

Prefabricated integrated assembly type combined support

Technical Field

The utility model relates to the field of constructional engineering, in particular to a prefabricated integrated assembled combined bracket.

Background

In the building construction process, operators often adopt scaffolds to conveniently construct higher construction sites when constructing buildings, workshops or roads and bridges, the scaffolds are working platforms erected to ensure that each construction process is carried out smoothly, the scaffolds are divided into an outer scaffold and an inner scaffold according to the erected positions, and the scaffolds can be divided into a wood scaffold, a bamboo scaffold and a steel pipe scaffold according to different materials, and the scaffolds are divided into a vertical rod scaffold, a bridge scaffold, a door scaffold, a suspended scaffold, a hanging scaffold, a picking scaffold and a climbing scaffold according to the constructional forms.

In the related art, the scaffold is formed by a plurality of supporting legs and a folding supporting plate, the size is large, the transportation is inconvenient, and meanwhile, an operator usually adopts a bolt fixing mode when assembling the scaffold, so that the operation is complex.

Disclosure of Invention

In order to facilitate an operator to quickly assemble the bracket, the utility model provides a prefabricated integrated assembly type combined bracket.

The utility model provides a prefabricated integrated assembled combined bracket which adopts the following technical scheme:

the utility model provides a prefabricated integration assembled sectional shelf-unit, includes the support frame, be provided with a plurality of first flexible landing legs on the support frame, first flexible landing leg with the support frame rotates to be connected, first flexible landing leg with the support frame junction is provided with the torsional spring, be provided with folding backup pad on the support frame, folding backup pad with the support frame is kept away from the tip joint of flexible landing leg, be provided with the bracing piece that is used for improving stability in the folding backup pad, the bracing piece penetrates in the folding backup pad, the bracing piece with folding backup pad sliding fit, the bracing piece is kept away from folding backup pad's tip penetrates in the first flexible landing leg, the bracing piece with flexible landing leg grafting cooperation, be provided with on the support frame and be used for fixing folding backup pad's stable subassembly, be provided with in the support frame and be used for the drive first flexible landing leg pivoted folding subassembly.

Through adopting above-mentioned technical scheme, when assembling the device, stable subassembly is fixed folding backup pad on the support frame, folding subassembly drive first flexible landing leg rotates, thereby first flexible landing leg rotates and with the whole support of ground butt with the device, when demolishing the device, stable subassembly removes folding backup pad and the connection of support frame, folding subassembly drive first flexible landing leg rotates, thereby first flexible post landing leg rotates parallels with the support frame, through setting up stable subassembly and folding subassembly, can install and dismantle the device fast, the device subassembly occupation of land after demolishing simultaneously is less, the transportation of convenient operating personnel.

Preferably, the stabilizing component comprises a first clamping block and a second clamping block, the first clamping block is fixedly connected with the folding supporting plate and is close to the side wall of the supporting frame, the first clamping block penetrates into the supporting frame, the second clamping block is slidably arranged in the supporting frame in a penetrating mode, the second clamping block is connected with the first clamping block in a clamping mode, a first sliding groove used for being matched with the second clamping block in a sliding mode is formed in the supporting frame, the end portion, away from the first clamping block, of the second clamping block is fixedly connected with a first restoring spring, the end portion, away from the second clamping block, of the first restoring spring is fixedly connected with the inner end wall of the first sliding groove, the end portion, close to the second clamping block, of the first clamping block is provided with an inclined surface, and a first driving component used for driving the second clamping block to move is arranged in the supporting frame.

Through adopting above-mentioned technical scheme, when operating personnel need install folding backup pad on the support frame, operating personnel inserts first fixture block in the support frame, under first fixture block and second fixture block inclined plane effect, second fixture block extrusion first return spring, after first fixture block removes certain degree of depth, first return spring promotes the second fixture block to remove and fixes first fixture block on the support frame, thereby accomplish folding backup pad and support frame quick link, when operating personnel demolish folding backup pad on the support frame, first drive assembly drives the second fixture block and removes, the second fixture block removes and keep away from first fixture block, operating personnel can demolish folding backup pad from the support frame this moment.

Preferably, the first driving assembly comprises a connecting rod and a first screw rod, the connecting rod is slidably arranged in the support frame in a penetrating manner, the connecting rod is slidably connected with the second clamping block, a second sliding groove which is used for slidably matching with the connecting rod is formed in the second clamping block, the first screw rod is arranged in the support frame in a penetrating manner, the first screw rod is rotationally connected with the support frame, the first screw rod penetrates through the end part, away from the second sliding groove, of the connecting rod, the first screw rod is in threaded fit with the connecting rod, and a second driving assembly used for driving the first screw rod to rotate is arranged on the support frame.

Through adopting above-mentioned technical scheme, when operating personnel installs folding backup pad on the support frame, under the effect of first return spring, the connecting rod is kept away from the end wall butt of first fixture block with the second spout, when first fixture block and second fixture block joint, first fixture block promotes the second fixture block and removes, the second fixture block removes and makes the connecting rod remove in the second spout, the connecting rod can not influence the normal joint of first fixture block and first fixture block this moment, after the joint is accomplished, the connecting rod still keeps away from the end wall butt of first fixture block with the second spout, when operating personnel demolishs folding backup pad, second drive assembly drives first lead screw and rotates, first lead screw rotates and makes the connecting rod remove, the connecting rod removes and makes the second fixture block remove to the direction of keeping away from first fixture block, operating personnel can demolish folding backup pad from the support frame this moment.

Preferably, the second driving assembly comprises a worm wheel and a worm, the worm wheel is fixedly sleeved on the first screw rod, the worm penetrates into the supporting frame, the worm is rotationally connected with the supporting frame, the worm wheel is meshed with the worm, and a hand wheel is fixedly sleeved on the end part of the worm, which is positioned outside the supporting frame.

Through adopting above-mentioned technical scheme, operating personnel rotates the hand wheel, and the hand wheel rotates and makes the worm rotate, and the worm rotates and makes the worm wheel rotate, and the worm wheel rotates and makes first lead screw rotate, and first lead screw rotates and makes the connecting rod remove, and the connecting rod moves and promotes the second fixture block and move away from first fixture block with the second spout end wall butt of keeping away from first fixture block this moment, and operating personnel can demolish folding backup pad from the support frame this moment.

Preferably, the support rod is provided with a fixing rod for connecting adjacent support rods, the fixing rod is hinged with a clamping plate, and the clamping plate is abutted to the adjacent support rods.

Through adopting above-mentioned technical scheme, after operating personnel fixes folding backup pad on the support frame, operating personnel installs bracing piece and dead lever, and the dead lever is used for improving bracing piece stability.

Preferably, the folding assembly comprises a traction rope and a winding wheel, the winding wheel is rotatably mounted in the supporting frame, the traction rope is wound on the winding wheel, the end part of the traction rope, which is far away from the winding wheel, is fixedly connected with the first telescopic supporting leg, and a third driving assembly for driving the winding wheel to rotate is arranged in the supporting frame.

Through adopting above-mentioned technical scheme, when operating personnel need expand first flexible landing leg, third drive assembly drive reel rotates, the reel rotates and accepts the haulage rope, the haulage rope constantly twines on the reel, the haulage rope pulls first flexible landing leg and articulates the department around it with the support frame rotation this moment, when first flexible landing leg removes and is parallel to ground, the reel stops rotating, when operating personnel need accomodate first flexible landing leg, third drive assembly drive reel reverse rotation, the reel reverses and makes the haulage rope extension, under the torsional spring effect, first flexible landing leg returns to initial position again.

Preferably, the third driving assembly comprises a motor and a rotating column, the rotating column penetrates through the supporting frame, the rotating column is connected with the supporting frame in a rotating mode, a spur gear is fixedly sleeved on the end portion, far away from the winding wheel, of the rotating column, the motor is arranged in the supporting frame, a crown gear is fixedly sleeved on the output end of the motor, and the crown gear is meshed with the spur gear.

Through adopting above-mentioned technical scheme, when operating personnel needs to expand first flexible landing leg, motor drive crown gear rotates, and crown gear rotates and makes the spur gear rotate, and the spur gear rotates and makes the column spinner rotate, and the column spinner rotates and makes the reel rotate, and the reel rotates and accepts the haulage rope, and the haulage rope constantly twines on the reel, and the haulage rope pulls first flexible landing leg and articulates the department rotation with the support frame around it this moment, and when first flexible landing leg removed and is parallel to ground, the reel stops to rotate.

Preferably, the second telescopic support leg is arranged in the first telescopic support leg in a sliding mode, the end portion, away from the first telescopic support leg, of the second telescopic support leg is provided with a universal wheel, the first telescopic support leg is provided with a spring pin in a penetrating mode, and the first telescopic support leg and the second telescopic support leg are provided with slots used for being in plug-in fit with the spring pin.

Through adopting above-mentioned technical scheme, the stability when the first flexible landing leg is expanded can be improved to the flexible landing leg of second, and the convenient operating personnel mobile device of universal wheel.

Preferably, an auxiliary wheel is rotatably mounted in the end portion, close to the first telescopic supporting leg, of the supporting frame, and the traction rope is abutted to the auxiliary wheel.

Through adopting above-mentioned technical scheme, when the reel rotates, the auxiliary wheel can reduce friction, prevents that the haulage rope from directly contacting with the support frame and causing certain wearing and tearing, improves the life of device.

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

1. the first telescopic supporting leg can be rapidly unfolded through the arrangement of the folding assembly and the stabilizing assembly, and the folding supporting plate is rapidly installed, so that an operator is helped to rapidly assemble the bracket;

2. by arranging the fixing rods and the clamping plates, the stability of the supporting rods for supporting the folding supporting plates can be improved;

3. through setting up flexible landing leg of second and spring pin can improve support frame and ground area of contact, improve the stability of support frame.

Drawings

Fig. 1 is a schematic structural view of a prefabricated integrally assembled composite bracket according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a folding assembly according to an embodiment of the present utility model.

FIG. 3 is a schematic structural view of a stabilizing assembly according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a support frame; 11. a first telescoping leg; 12. folding the support plate; 13. a support rod; 14. a second telescoping leg; 141. a slot; 15. a spring pin; 16. a universal wheel; 2. a stabilizing assembly; 21. a first clamping block; 22. a second clamping block; 221. a first chute; 23. a first return spring; 24. a connecting rod; 241. a second chute; 25. a first screw rod; 3. a second drive assembly; 31. a worm wheel; 32. a worm; 33. a hand wheel; 34. a fixed rod; 35. a clamping plate; 4. a folding assembly; 41. a traction rope; 42. a reel; 43. a motor; 44. a spin column; 45. spur gears; 46. a crown gear; 47. an auxiliary wheel.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a prefabricated integrated assembled combined bracket. Referring to fig. 1, a prefabricated integrated assembly type combined bracket includes a support frame 1 and a folding support plate 12.

Referring to fig. 1, a support frame 1 is vertically disposed, a folding support plate 12 is disposed on the top surface of the support frame 1, and the folding support plate 12 is composed of two hinged rectangular plates. The top of the support frame 1 is hinged with a plurality of first telescopic support legs 11, the first telescopic support legs 11 are provided with four, the four first telescopic support legs 11 are uniformly arranged around the side wall of the bottom of the support frame 1, and torsion springs are arranged at the hinged positions of the support frame 1 and the first telescopic support legs 11.

Referring to fig. 1 and 2, a second telescopic leg 14 is arranged in the end part of the first telescopic leg 11 far away from the support frame 1 in a penetrating manner, the second telescopic leg 14 is in sliding connection with the first telescopic leg 11, and the second telescopic leg 14 corresponds to the first telescopic leg 11 one by one. The end bottom surface of the second telescopic leg 14 remote from the first telescopic leg 11 is provided with a universal wheel 16.

Referring to fig. 1 and 2, a spring pin 15 is provided on the top surface of the first telescopic leg 11, and the spring pin 15 is slidably connected to the first telescopic leg 11. The spring pin 15 penetrates through the top surface of the first telescopic supporting leg 11 and penetrates into the second telescopic supporting leg 14, a plurality of slots 141 are uniformly formed in the second telescopic supporting leg 14 along the length direction of the second telescopic supporting leg, and the spring pin 15 is in plug-in fit with the slots 141.

Referring to fig. 1 and 2, a plurality of support rods 13 are provided on the folding support plate 12 in a penetrating manner, the support rods 13 are vertically arranged, and the support rods 13 penetrate through the folding support plate 12 and penetrate into the top surface of the first telescopic support leg 11. The supporting rod 13 is in sliding fit with the folding supporting plate 12, and the supporting rod 13 is in plug-in fit with the first telescopic supporting leg 11. The support rods 13 are provided with four, and the four support rods 13 are positioned at four corners of the folding support plate 12.

Referring to fig. 1 and 2, a fixing rod 34 is disposed between the support rod 13 and the adjacent support rod 13, the fixing rod 34 is horizontally disposed, two ends of the fixing rod 34 are hinged with clamping plates 35, and the clamping plates 35 are abutted with the support rod 13.

Referring to fig. 2 and 3, a stabilizing assembly 2 is disposed in the support frame 1, and the stabilizing assembly 2 includes a first clamping block 21 and a second clamping block 22. The first clamping block 21 is fixedly connected to the side wall of the folding supporting plate 12, which is abutted to the supporting frame 1, the first clamping block 21 vertically penetrates into the supporting frame 1, and the first clamping block 21 is in plug-in fit with the supporting frame 1.

Referring to fig. 2 and 3, the second clamping blocks 22 horizontally penetrate through the end portion of the support frame 1, which is close to the folding support plate 12, two second clamping blocks 22 are provided, and the two second clamping blocks 22 are symmetrically arranged along the axis of the support frame 1. The top end of the support frame 1 is internally provided with a first chute 221, the section of the first chute 221 is rectangular, and the second clamping block 22 is in sliding fit with the inner side wall of the first chute 221. The first clamping block 21 penetrates into the first sliding groove 221 and is clamped with the second clamping block 22, and inclined surfaces are arranged at the end parts, close to each other, of the first clamping block 21 and the second clamping block 22.

Referring to fig. 2 and 3, a first return spring 23 is fixedly connected to an end portion of the second clamping block 22 away from the first clamping block 21, the end portion of the first return spring 23 away from the second clamping block 22 is fixedly connected to an inner end wall of the first sliding groove 221, and the first return springs 23 are in one-to-one correspondence with the second clamping blocks 22.

Referring to fig. 2 and 3, a first driving assembly is disposed in the support frame 1, and the first driving assembly includes a connecting rod 24 and a first screw 25. The first screw rod 25 is horizontally arranged in the support frame 1 in a penetrating mode, and the first screw rod 25 is connected with the support frame 1 in a rotating mode. A connecting rod 24 is arranged in the support frame 1, one end of the connecting rod 24 is sleeved on the first screw rod 25, the other end of the connecting rod 24 penetrates into the bottom surface of the second clamping block 22, the connecting rod 24 is in threaded fit with the first screw rod 25, and the connecting rod 24 is in sliding connection with the second clamping block 22.

Referring to fig. 2 and 3, a second sliding groove 241 is formed in the bottom surface of the second clamping block 22 along the length direction thereof, the connecting rod 24 penetrates into the second sliding groove 241, the connecting rod 24 is slidably matched with the inner side wall of the second sliding groove 241, and the connecting rod 24 is abutted with the inner end wall of the second sliding groove 241.

Referring to fig. 2 and 3, a second driving unit 3 is provided in the support frame 1, and the second driving unit 3 includes a worm wheel 31 and a worm 32. The worm wheel 31 is fixedly sleeved on the first screw rod 25, the worm 32 penetrates through the support frame 1, the worm 32 is rotationally connected with the support frame 1, the worm 32 penetrates into the support frame 1, the worm 32 is meshed with the worm wheel 31, and a hand wheel 33 is fixedly sleeved on the end part of the worm 32 outside the support frame 1.

Referring to fig. 2 and 3, a folding unit 4 is provided in the support frame 1, and the folding unit 4 includes a traction rope 41 and a reel 42. The winding wheel 42 is rotatably installed in the support frame 1, the traction rope 41 is wound on the winding wheel 42, and the end part of the traction rope 41, which is far away from the winding wheel 42, is fixedly connected with the end part of the first telescopic supporting leg 11, which is far away from the second telescopic supporting leg 14. The winding wheels 42 are provided in four, and the winding wheels 42 are in one-to-one correspondence with the first telescopic legs 11.

Referring to fig. 2 and 3, a third driving assembly is provided in the support frame 1, and the third driving assembly includes a motor 43 and a rotating column 44. The motor 43 is vertically arranged in the support frame 1, and the output end of the motor 43 is vertically downward. The rotating column 44 penetrates through the end part of the support frame 1, which is close to the winding wheel 42, the winding wheel 42 is fixedly sleeved on the rotating column 44, the rotating column 44 is rotationally connected with the support frame 1, and the rotating column 44 corresponds to the winding wheel 42 one by one.

Referring to fig. 2 and 3, a receiving groove is formed in the support frame 1 in the height direction thereof, and the end of the rotating column 44 is rotatably connected to the inner side wall of the receiving groove.

Referring to fig. 2 and 3, the end of the rotary column 44 far away from the winding wheel 42 is fixedly sleeved with spur gears 45, the spur gears 45 are in one-to-one correspondence with the rotary column 44, the output end of the motor 43 penetrates into the accommodating groove, the output end of the motor 43 is fixedly sleeved with crown gears 46, and a plurality of spur gears 45 are mutually meshed with the crown gears 46.

Referring to fig. 2 and 3, an auxiliary wheel 47 is rotatably mounted on the end wall of the accommodation groove near the first telescopic leg 11, the auxiliary wheel 47 corresponds to the traction ropes 41 one by one, and the end of the traction rope 41 near the first telescopic leg 11 abuts against the auxiliary wheel 47. The auxiliary wheel 47 serves to reduce wear of the traction ropes 41.

The implementation principle of the prefabricated integrated assembled combined bracket provided by the embodiment of the utility model is as follows: when an operator installs the folding support plate 12 on the support frame 1, under the action of the first return spring 23, the connecting rod 24 is abutted against the end wall of the second sliding groove 241 away from the first clamping block 21, when the first clamping block 21 is clamped with the second clamping block 22, the first clamping block 21 pushes the second clamping block 22 to move, the second clamping block 22 moves to enable the connecting rod 24 to move in the second sliding groove 241, at the moment, the connecting rod 24 cannot influence the normal clamping connection of the first clamping block 21 and the first clamping block 21, after the clamping connection is completed, the connecting rod 24 is still abutted against the end wall of the second sliding groove 241 away from the first clamping block 21, when the operator dismantles the folding support plate 12, the second driving assembly 3 drives the first screw rod 25 to rotate, the first screw rod 25 rotates to enable the connecting rod 24 to move, the connecting rod 24 moves to enable the second clamping block 22 to move away from the first clamping block 21, and at the moment, the operator can detach the folding support plate 12 from the support frame 1.

When an operator needs to unwind the first telescopic supporting leg 11, the third driving component drives the winding wheel 42 to rotate, the winding wheel 42 rotates to accommodate the traction rope 41, the traction rope 41 is continuously wound on the winding wheel 42, at the moment, the traction rope 41 pulls the first telescopic supporting leg 11 to rotate around the hinge position of the first telescopic supporting leg and the supporting frame 1, when the first telescopic supporting leg 11 moves to be parallel to the ground, the winding wheel 42 stops rotating, when the operator needs to accommodate the first telescopic supporting leg 11, the third driving component drives the winding wheel 42 to reversely rotate, the winding wheel 42 reversely rotates to enable the traction rope 41 to be prolonged, and under the action of the torsion spring, the first telescopic supporting leg 11 returns to the initial position again; the first telescopic support leg 11 can be rapidly unfolded by arranging the folding assembly 4 and the stabilizing assembly 2, and the folding support plate 12 is rapidly installed, so that an operator can be helped to rapidly assemble the support.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (9)

1. A prefabricated integration assembled sectional shelf-unit which characterized in that: including support frame (1), be provided with a plurality of first flexible landing leg (11) on support frame (1), first flexible landing leg (11) with support frame (1) rotate to be connected, first flexible landing leg (11) with support frame (1) junction is provided with the torsional spring, be provided with folding backup pad (12) on support frame (1), folding backup pad (12) with support frame (1) are kept away from the tip joint of flexible landing leg, be provided with on folding backup pad (12) and be used for improving bracing piece (13) of stability, bracing piece (13) penetrate in folding backup pad (12), bracing piece (13) with folding backup pad (12) slip cooperation, bracing piece (13) are kept away from the tip of folding backup pad (12) penetrates in first flexible landing leg (11), bracing piece (13) with flexible landing leg cooperation is provided with on support frame (1) and is used for fixing stabilizing component (2) of folding backup pad (12), be provided with in support frame (1) and be used for driving folding component (4) of first rotation.

2. A prefabricated integrated fabricated composite bracket according to claim 1, wherein: the utility model provides a stable subassembly (2) include first fixture block (21) and second fixture block (22), first fixture block (21) fixed connection with folding backup pad (12) are close to on the lateral wall of support frame (1), first fixture block (21) penetrate in support frame (1), second fixture block (22) sliding wear to locate in support frame (1), second fixture block (22) with first fixture block (21) joint, set up in support frame (1) be used for with second fixture block (22) sliding fit's first spout (221), second fixture block (22) are kept away from first fixture block (21)'s tip fixedly connected with first answer spring (23), first answer spring (23) keep away from second fixture block (22) tip with first spout (221) inner wall fixed connection, first fixture block (21) with second fixture block (22) tip that is close to each other all is provided with the inclined plane, support frame (1) is interior to be provided with first drive subassembly that moves that is used for second fixture block (22).

3. A prefabricated integrated fabricated composite bracket according to claim 2, wherein: the first driving assembly comprises a connecting rod (24) and a first screw rod (25), the connecting rod (24) is slidably arranged in the support frame (1) in a penetrating mode, the connecting rod (24) is slidably connected with the second clamping block (22), a second sliding groove (241) which is slidably matched with the connecting rod (24) is formed in the second clamping block (22), the first screw rod (25) is arranged in the support frame (1) in a penetrating mode, the first screw rod (25) is rotatably connected with the support frame (1), the first screw rod (25) penetrates through the end portion, away from the second sliding groove (241), of the connecting rod (24), and the first screw rod (25) is in threaded fit with the connecting rod (24), and a second driving assembly (3) which is used for driving the first screw rod (25) to rotate is arranged on the support frame (1).

4. A prefabricated integrated fabricated composite bracket according to claim 3, wherein: the second driving assembly (3) comprises a worm wheel (31) and a worm (32), the worm wheel (31) is fixedly sleeved on the first screw rod (25), the worm (32) penetrates into the support frame (1), the worm (32) is rotationally connected with the support frame (1), the worm wheel (31) is meshed with the worm (32) mutually, and the worm (32) is fixedly sleeved with a hand wheel (33) at the outer end part of the support frame (1).

5. A prefabricated integrated fabricated composite bracket according to claim 1, wherein: the support rod (13) is provided with a fixing rod (34) used for connecting the adjacent support rods (13), the fixing rod (34) is hinged with a clamping plate (35), and the clamping plate (35) is abutted to the adjacent support rods (13).

6. A prefabricated integrated fabricated composite bracket according to claim 1, wherein: the folding assembly (4) comprises a traction rope (41) and a winding wheel (42), the winding wheel (42) is rotatably installed in the support frame (1), the traction rope (41) is wound on the winding wheel (42), the end part of the traction rope (41) away from the winding wheel (42) is fixedly connected with the first telescopic supporting leg (11), and a third driving assembly used for driving the winding wheel (42) to rotate is arranged in the support frame (1).

7. The prefabricated integrated fabricated composite bracket of claim 6, wherein: the third driving assembly comprises a motor (43) and a rotary column (44), the rotary column (44) is arranged in the support frame (1) in a penetrating mode, the rotary column (44) is connected with the support frame (1) in a rotating mode, a spur gear (45) is fixedly sleeved on the end portion, far away from the coiling wheel (42), of the rotary column (44), the motor (43) is arranged in the support frame (1), a crown gear (46) is fixedly sleeved on the output end of the motor (43), and the crown gear (46) is meshed with the spur gear (45).

8. The prefabricated integrated fabricated composite bracket of claim 6, wherein: the telescopic support is characterized in that a second telescopic support leg (14) is arranged in the first telescopic support leg (11) in a sliding mode, the second telescopic support leg (14) is far away from the end portion of the first telescopic support leg (11) and is provided with a universal wheel (16), a spring pin (15) is arranged on the first telescopic support leg (11) in a penetrating mode, and a slot (141) used for being in plug-in fit with the spring pin (15) is formed in the first telescopic support leg (11) and the second telescopic support leg (14).

9. The prefabricated integrated fabricated composite bracket of claim 6, wherein: an auxiliary wheel (47) is rotatably mounted in the end part, close to the first telescopic supporting leg (11), of the supporting frame (1), and the traction rope (41) is abutted to the auxiliary wheel (47).