CN220790503U - Steel scaffold for constructional engineering - Google Patents

Abstract

The utility model discloses a steel scaffold for constructional engineering, which comprises box-shaped seats with bottoms provided with openings, wherein four corners of the tops of the box-shaped seats are fixedly connected with positioning clamping sleeves, and the four positioning clamping sleeves are movably clamped with the same assembled steel scaffold assembly. The utility model is provided with a series of structures, is convenient for the whole device to flexibly move in the use of the building engineering, can synchronously drive the four supports to expand outwards and expand downwards to support in an expanding way by single drive, is convenient for automatically and synchronously carrying out four-direction expansion and expansion support, reduces the risk of dumping displacement, ensures the safety in the use of parking, improves the operation convenience, the use efficiency and the use automation degree, can support the work in the building engineering, is convenient for rapidly splitting the assembled steel scaffold assembly by using a clamping connection mode, reduces the occupied area when not in use, and is convenient for transportation work.

Description

Steel scaffold for constructional engineering

Technical Field

The utility model relates to the technical field of steel scaffold, in particular to a steel scaffold for constructional engineering.

Background

The scaffold is a working platform erected for ensuring that each construction process is carried out smoothly, and is divided into a vertical rod type scaffold, a bridge type scaffold and a door type scaffold according to the construction form, and the scaffold is required to be adopted for auxiliary supporting work in municipal building construction or indoor decoration construction; through retrieval, publication number CN218990843U discloses a steel scaffold for construction engineering, which comprises a scaffold main body and a multifunctional supporting mechanism, wherein the multifunctional supporting mechanism comprises a fixed block, a rotating shaft, a main support, an auxiliary support, a stop knob and an anti-skid rubber mat, a connecting device is arranged on the inner side of the scaffold main body, the multifunctional supporting mechanism is arranged on the outer side of the scaffold main body, and the lower end of the scaffold main body is connected with a pulley; after the steel scaffold for the building engineering is moved to the required position, the main support rotates on the fixed block through the rotating shaft, so that a proper angle is achieved between the main support and the scaffold main body, the auxiliary support is pulled out from the main support, after the auxiliary support is pulled to a proper length, the length of the main support and the auxiliary support is fixed by pressing the stop knob, the stability of the steel scaffold for the building engineering in the use process is ensured, the safety of the device is improved, the friction force is increased by the anti-skid rubber mat, and the displacement of the support in the use process of the steel scaffold for the building engineering is prevented.

The utility model discloses a steel scaffold for building engineering through four pulleys that set up, makes things convenient for scaffold nimble light removal, through fixed block, rotation axis, main support, auxiliary support, the stop knob that sets up and anti-skidding cushion, can incline to adjust the inclination and the height of four auxiliary supports in four corners and expand the support, reduce and empty the displacement phenomenon, increase the security when the device uses, but exist following not enough:

1. when four auxiliary brackets are used for amplifying and supporting, people are required to independently perform inclination and telescopic adjustment operation everywhere, the operation is complex, and the operation convenience and efficiency are not ideal; in view of this, we propose a steel scaffold for construction engineering to solve the above problems.

Disclosure of Invention

The utility model aims to provide a steel scaffold for constructional engineering, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the steel scaffold for the construction engineering comprises a box-shaped seat with an opening at the bottom, wherein positioning clamping sleeves are fixedly connected to four corners of the top of the box-shaped seat, the same assembled steel scaffold assembly is movably clamped in the four positioning clamping sleeves, the assembled steel scaffold assembly is conveniently clamped and supported by the four positioning clamping sleeves, and the clamping manner is convenient to split;

the four corners of the bottom of the box-shaped seat are respectively and rotatably connected with a universal wheel with a lock, rectangular holes are formed in the inner walls of the four sides of the box-shaped seat, rectangular rods are respectively sleeved in the four rectangular holes in a sliding manner, one repellent end of each rectangular rod extends out of the box-shaped seat and is fixedly connected with an amplifying and supporting box, the same threaded rotary driving assembly is rotatably arranged in the four rectangular holes, the bottom of the box-shaped seat is fixedly provided with a driving motor with an output shaft fixedly connected with the threaded rotary driving assembly, square rods are rotatably arranged on the inner wall of one side of the amplifying and supporting box, which is close to the box-shaped seat, the threaded rotary driving assembly is slidably sleeved on the four square rods, the threaded rotary driving assembly is used for driving the four rectangular rods to repel or move in a similar manner when the driving motor is started, and synchronously driving the four square rods to rotate, and the four amplifying and supporting boxes are driven to repel and move in a amplifying manner by the four rectangular rods;

install vertical screw thread drive assembly between the top inner wall and the bottom inner wall of the extension branch box, the bottom of vertical screw thread drive assembly slides and extends to the below of the extension branch box that corresponds and fixedly connected with support, and the bottom of support bonds fixedly with anti-skidding rubber, one side that vertical screw thread drive assembly is close to box shape seat and the one end fixed connection that box shape seat was kept away from to the square pole that corresponds, and vertical screw thread drive assembly is used for driving support downward migration ground connection support when the square pole rotates.

Preferably, the assembled steel scaffold assembly comprises four steel branch pipes, the bottom ends of the steel branch pipes are movably clamped into corresponding positioning clamping sleeves, two L-shaped clamping blocks are fixedly connected to one sides of the four steel branch pipes, and the same steel support plate is movably clamped on the four L-shaped clamping blocks located at the same height; the steel branch pipe, the L-shaped clamping blocks and the steel support plates are matched, the four steel branch pipes are conveniently positioned, clamped and supported by the four positioning clamping sleeves, the two steel support plates are conveniently clamped and supported by the four L-shaped clamping blocks matched with the four steel branch pipes, and the steel branch pipes, the L-shaped clamping blocks, the steel support plates and the positioning clamping sleeves are conveniently disassembled and assembled by clamping means.

Preferably, the threaded rotary driving assembly comprises four first screw rods, the four first screw rods are respectively and rotatably arranged in corresponding rectangular holes, the four rectangular rods are respectively and rotatably sleeved on the corresponding first screw rods, one ends of the four first screw rods close to each other extend into the box-shaped seat and are fixedly connected with first bevel gears, two opposite first bevel gears are symmetrically arranged, one second bevel gear is meshed between the four first bevel gears, the bottom of the second bevel gear is fixedly connected with the top end of an output shaft of the driving motor, square sliding grooves are formed in repulsive ends of the four first screw rods, and the square sliding grooves are slidably sleeved on the corresponding square rods; the first screw rods, the first bevel gears, the second bevel gears and the Fang Huacao are matched, when the driving motor is started to drive the second bevel gears to rotate, the second bevel gears drive the four first screw rods to synchronously rotate through the four first bevel gears, the four rectangular rods are driven to repel or move approximately through the rotation of the four first screw rods, the four rectangular rods are driven to repel and move to carry out amplification support, and the square rods are driven to rotate through edge angle snap of corresponding square sliding grooves when the first screw rods rotate.

Preferably, the vertical thread driving assembly comprises a second screw rod which is rotationally connected between the inner wall of the top of the corresponding amplifying and supporting box and the inner wall of the bottom of the corresponding amplifying and supporting box, an L-shaped rod is sleeved on the second screw rod in a threaded manner, the bottom end of the L-shaped rod extends to the lower part of the corresponding amplifying and supporting box in a sliding manner and is fixedly connected with the top of the support, a third bevel gear is fixedly sleeved on the second screw rod, a fourth bevel gear is meshed with one side, close to the box-shaped seat, of the third bevel gear, and one side, close to the box-shaped seat, of the fourth bevel gear is fixedly connected with one end, far from the box-shaped seat, of the corresponding square rod; the second screw rod, the L-shaped rod, the third bevel gear and the fourth bevel gear are matched, the corresponding fourth bevel gear can be driven to rotate when the square rod rotates, the fourth bevel gear drives the second screw rod to rotate through the corresponding third bevel gear, the corresponding L-shaped rod is driven to move downwards by rotation of the second screw rod, and the downward movement of the L-shaped rod is utilized to drive the support to move downwards to abut against the ground for stable supporting operation.

Preferably, clamping holes are formed in four corners of the top of the steel support plate, and the clamping holes are movably clamped on corresponding L-shaped clamping blocks.

Preferably, one end of the rectangular rod, which is far away from the corresponding expansion branch box, is provided with a first threaded hole, and the first threaded hole is in threaded connection with the corresponding first screw rod.

Preferably, the top of the L-shaped rod is provided with a second threaded hole in threaded connection with a corresponding second screw, and the inner wall of the bottom of the expansion support box is provided with a rectangular guide hole which is sleeved with the outer side of the corresponding L-shaped rod in a sliding manner.

Preferably, the bottom fixedly connected with motor cabinet of box-shaped seat, driving motor fixed connection is at the top of motor cabinet, the top fixedly connected with of motor cabinet and driving motor electric connection's battery, and driving motor's front side is fixed and electric connection has wireless remote control switch, and wireless remote control switch matches the outside remote controller that sets up.

Compared with the prior art, the utility model has the beneficial effects that:

1. the steel scaffold for the building engineering facilitates flexible movement of the whole device in the use of the building engineering through the four universal wheels with the locks;

2. according to the steel scaffold for the construction engineering, the driving motor, the rectangular rod, the expansion supporting box, the support, the threaded rotary driving assembly and the vertical threaded driving assembly are arranged to be matched, when the driving motor is started in the forward direction, the four supports can be driven to expand outwards and expand downwards in a single-drive synchronous mode to carry out expansion supporting work, when the driving motor is started in the reverse direction, the four supports can be driven to retract inwards and retract upwards, the occupied area when the driving motor is not used is reduced, the four-direction expansion and expansion supporting work is conveniently and automatically carried out in a synchronous mode, and the operation convenience, the use efficiency and the use automation degree are improved;

3. the utility model provides a steel scaffold for building engineering, through box-shaped seat, location cutting ferrule and the assembled steel scaffold frame subassembly cooperation that sets up, realizes carrying out support work in the building engineering, and realizes convenient clamping location support to the assembled steel scaffold frame subassembly, conveniently utilizes the mode of clamping connection to split assembled steel scaffold frame subassembly fast, reduces the area occupied when not using, convenient transportation work.

The utility model is provided with a series of structures, is convenient for the whole device to flexibly move in the use of the building engineering, can synchronously drive the four supports to expand outwards and expand downwards to support in an expanding way by single drive, is convenient for automatically and synchronously carrying out four-direction expansion and expansion support, reduces the risk of dumping displacement, ensures the safety in the use of parking, improves the operation convenience, the use efficiency and the use automation degree, can support the work in the building engineering, is convenient for rapidly splitting the assembled steel scaffold assembly by using a clamping connection mode, reduces the occupied area when not in use, and is convenient for transportation work.

Drawings

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the portion B of FIG. 2 according to the present utility model;

fig. 4 is an enlarged schematic view of the portion a in fig. 2 according to the present utility model.

In the figure: 1. a steel branch pipe; 101. an L-shaped clamping block; 102. a steel support plate; 2. a box-shaped seat; 3. universal wheels with locks; 4. positioning the clamping sleeve; 5. amplifying the branch box; 6. a rectangular hole; 7. a rectangular bar; 8. square rods; 9. a first screw; 10. a first bevel gear; 11. a driving motor; 12. an L-shaped rod; 13. a support; 14. a second screw; 15. a third bevel gear; 16. a fourth bevel gear; 17. a second bevel gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, the steel scaffold for construction engineering provided by the embodiment comprises a box-shaped seat 2 with an opening at the bottom, wherein positioning clamping sleeves 4 are fixedly connected to four corners at the top of the box-shaped seat 2, the same assembled steel scaffold assembly is movably clamped in the four positioning clamping sleeves 4, the assembled steel scaffold assembly is conveniently clamped and supported by the four positioning clamping sleeves 4, and the assembled steel scaffold assembly is conveniently detached by a clamping mode;

the four corners of the bottom of the box-shaped seat 2 are all rotationally connected with a universal wheel 3 with a lock, rectangular holes 6 are formed in four side inner walls of the box-shaped seat 2, rectangular rods 7 are arranged in the four rectangular holes 6 in a sliding mode, one repellent end of each of the four rectangular rods 7 extends out of the box-shaped seat 2 and is fixedly connected with an amplification supporting box 5, the same threaded rotation driving assembly is rotationally installed in the four rectangular holes 6, a driving motor 11 with an output shaft fixedly connected with the threaded rotation driving assembly is fixedly installed at the bottom of the box-shaped seat 2, a motor seat is fixedly connected to the bottom of the box-shaped seat 2, a storage battery electrically connected with the driving motor 11 is fixedly connected to the top of the driving motor 11, a wireless remote control switch is fixedly connected to the front side of the driving motor 11, an external remote controller matched with the wireless remote control switch is arranged, the amplification supporting box 5 is conveniently controlled by remote control, a square rod 8 is rotationally installed on one side inner wall of the amplification supporting box 5 close to the box-shaped seat 2, a driving motor 11 is fixedly connected with a driving motor 11 through a square bearing fixedly connected to the inner wall of the square rod 8, the square rod 8 is correspondingly rotationally connected to the square rod 8 when the square rod 8 is rotationally connected to the square rod 8 in a corresponding to the inner wall of the box-shaped seat 2, and the square rod 8 is correspondingly rotationally connected to the square rod 8 through the square rod 8; install vertical screw thread drive assembly between the top inner wall and the bottom inner wall of expanding branch box 5, the bottom of vertical screw thread drive assembly slides and extends to the below of corresponding expanding branch box 5 and fixedly connected with support 13, and the bottom of support 13 bonds and is fixed with anti-skidding rubber, and one side that vertical screw thread drive assembly is close to box shape seat 2 and the one end fixed connection that box shape seat 2 was kept away from to corresponding square pole 8, and vertical screw thread drive assembly is used for driving support 13 downwardly moving ground connection support when square pole 8 rotates.

Specifically, the assembled steel scaffold assembly comprises four steel branch pipes 1, the bottom ends of the steel branch pipes 1 are movably clamped into corresponding positioning clamping sleeves 4, two L-shaped clamping blocks 101 are fixedly connected to one side, close to the four steel branch pipes 1, of the four L-shaped clamping blocks 101 at the same height, the same steel support plate 102 is movably clamped on the four L-shaped clamping blocks 101, clamping holes are formed in four corners of the top of the steel support plate 102, and the clamping holes are movably clamped on the corresponding L-shaped clamping blocks 101; the steel branch pipes 1, the L-shaped clamping blocks 101 and the steel support plates 102 are matched, the four positioning clamping sleeves 4 are utilized to conveniently position, clamp and support the four steel branch pipes 1, the four L-shaped clamping blocks 101 are matched to conveniently clamp and support the two steel support plates 102, and the clamping modes are utilized to conveniently disassemble and assemble the steel branch pipes 1, the L-shaped clamping blocks 101, the steel support plates 102 and the positioning clamping sleeves 4.

Further, the screw thread rotary driving assembly comprises four first screw rods 9, the four first screw rods 9 are respectively and rotatably arranged in corresponding rectangular holes 6, first bearings are fixedly connected between the top inner wall and the bottom inner wall of the rectangular holes 6, the inner sides of inner rings of the first bearings are fixedly connected with the outer sides of the corresponding first screw rods 9, the first screw rods 9 are rotatably arranged in the corresponding rectangular holes 6 through the first bearings to achieve the effect of rotatably mounting the first screw rods 9, the four rectangular rods 7 are respectively and rotatably sleeved on the corresponding first screw rods 9, one ends of the rectangular rods 7, far away from the corresponding expansion branch boxes 5, are provided with first threaded holes, the first threaded holes are in threaded connection with the corresponding first screw rods 9, the effect of driving the corresponding rectangular rods 7 to move transversely when the first screw rods 9 rotate is achieved by utilizing the threaded connection relation between the first screw rods 9, one ends, close to the four first screw rods 9, of the first bevel gears 10 are symmetrically arranged, the two opposite first bevel gears 10 are fixedly connected with the first bevel gears 10, the two bevel gears 10 are symmetrically arranged, the same, the two bevel gears 17 are meshed with the top ends of the first bevel gears 17 are fixedly arranged on the corresponding bevel gears 17, and the top ends of the first bevel gears 17 are fixedly connected with the output shafts 8, and the top ends of the bevel gears 17 are respectively arranged on the opposite side shafts; the first screw rods 9, the first bevel gears 10, the second bevel gears 17 and Fang Huacao are matched, when the driving motor 11 starts to drive the second bevel gears 17 to rotate, the second bevel gears 17 drive the four first screw rods 9 to synchronously rotate through the four first bevel gears 10, the four rectangular rods 7 are driven to repel or move approximately through the rotation of the four first screw rods 9, the four amplification supporting boxes 5 are driven to repel to move to carry out amplification supporting through the repulsive movement of the four rectangular rods 7, and the square rods 8 are driven to rotate through edge angle collapse of corresponding square sliding grooves when the first screw rods 9 rotate.

Further, the vertical thread driving assembly comprises a second screw rod 14 which is rotationally connected between the top inner wall and the bottom inner wall of the corresponding expansion supporting box 5, wherein a second bearing is fixedly connected to the top inner wall and the bottom inner wall of the expansion supporting box 5, the inner side of an inner ring of the second bearing is fixedly connected with the outer side of the corresponding second screw rod 14, the second screw rod 14 is rotationally connected between the top inner wall and the bottom inner wall of the expansion supporting box 5 through two second bearings, the effect of rotationally mounting the second screw rod 14 is achieved, an L-shaped rod 12 is sleeved on the second screw rod 14 in a threaded manner, a second threaded hole which is in threaded connection with the corresponding second screw rod 14 is formed in the top of the L-shaped rod 12, the effect of driving the corresponding L-shaped rod 12 to move upwards when the second screw rod 14 rotates is achieved, the bottom end of the L-shaped rod 12 is slidingly extended to the lower side of the corresponding expansion supporting box 5 and is fixedly connected with the top of the support 13, a rectangular guide hole 12 which is slidingly sleeved on the outer side of the corresponding L-shaped rod 12 is provided, a bevel gear seat 15 which is close to one side of the fourth bevel gear 8 and is provided with a bevel gear seat 16 which is in close to the second side of the bevel gear 2, and the bevel gear seat 2 which is in a position close to one side of the bevel gear 2; the second screw rod 14, the L-shaped rod 12, the third bevel gear 15 and the fourth bevel gear 16 are matched, when the square rod 8 rotates, the corresponding fourth bevel gear 16 can be driven to rotate, the fourth bevel gear 16 drives the second screw rod 14 to rotate through the corresponding third bevel gear 15, the corresponding L-shaped rod 12 is driven to move downwards through rotation of the second screw rod 14, and the downward movement of the L-shaped rod 12 is utilized to drive the support 13 to move downwards to abut against the ground to perform stable supporting operation.

The application method of the embodiment is as follows: the four universal wheels 3 with locks are utilized to facilitate the flexible movement of the whole device, when the universal wheels are moved to a position to be used in a building engineering, a driving motor 11 is started in the forward direction to drive a second bevel gear 17 to rotate when the universal wheels are used for safe supporting, the second bevel gear 17 drives four first screw rods 9 to synchronously rotate through four first bevel gears 10, the four first screw rods 9 rotate to drive four rectangular rods 7 to mutually slide in four rectangular holes 6 in a repulsive manner, the four rectangular rods 7 drive four amplification supporting boxes 5 to mutually move in a repulsive manner, the four amplification supporting boxes 5 drive four supporting seats 13 to mutually move through four L-shaped rods 12, at the moment, the supporting area formed by the four supporting seats 13 is increased, the first screw rods 9 rotate and drive square rods 8 to rotate through edge angle collapse of corresponding square sliding grooves, the square rod 8 drives the corresponding fourth bevel gear 16 to rotate, the fourth bevel gear 16 drives the second screw rod 14 to rotate through the corresponding third bevel gear 15, the second screw rod 14 rotates to drive the corresponding L-shaped rod 12 to move downwards, the L-shaped rod 12 drives the corresponding support 13 to move downwards to abut against the ground to perform stable supporting work, the four supports 13 can be driven to amplify and support outwards and expand and support downwards by single driving and synchronously, the effect of automatically and synchronously performing four-direction amplifying and expanding and supporting is achieved, the anti-slip rubber on the four supports 13 is utilized to perform safe anti-slip supporting, the risk of dumping displacement is reduced by amplifying and expanding and supporting, and the safety during parking and use is ensured;

after the use, reverse start driving motor 11, the same reason is in full contrast with the direction of motion of forward start driving motor 11, four supports 13 change into inside shrink displacement and upwards rise this moment, release and expand the support state, upwards pull steel extension board 102 makes its and four corresponding L shape fixture blocks 101 separation, upwards pull steel branch pipe 1 makes its and the separation of corresponding location cutting ferrule 4, the convenience reduces occupation area to assembled steel scaffold assembly split after the split, the convenient transportation work, during the equipment, with steel branch pipe 1 cartridge to the location cutting ferrule 4 that corresponds in, again with steel extension board 102 cartridge on four corresponding L shape fixture blocks 101 can support the use.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a steel structure scaffold for building engineering, includes box-shaped seat (2) that the bottom set up for the opening, its characterized in that: the four corners of the top of the box-shaped seat (2) are fixedly connected with positioning clamping sleeves (4), and the four positioning clamping sleeves (4) are movably clamped with the same assembled steel scaffold assembly;

the four corners of the bottom of the box-shaped seat (2) are respectively and rotatably connected with a universal wheel (3) with a lock, rectangular holes (6) are respectively formed in the inner walls of the four sides of the box-shaped seat (2), rectangular rods (7) are respectively and slidably sleeved in the four rectangular holes (6), one repulsive ends of the four rectangular rods (7) are respectively extended out of the box-shaped seat (2) and fixedly connected with an expansion supporting box (5), the same threaded rotary driving assembly is rotatably mounted in the four rectangular holes (6), the bottom of the box-shaped seat (2) is fixedly provided with a driving motor (11) with an output shaft fixedly connected with the threaded rotary driving assembly, a square rod (8) is rotatably mounted on the inner wall of one side, close to the box-shaped seat (2), of the expansion supporting box (5), and the threaded rotary driving assembly is slidably sleeved on the four square rods (8);

install vertical screw thread drive assembly between the top inner wall and the bottom inner wall of increase and expand branch box (5), the bottom of vertical screw thread drive assembly slides and extends to the below of corresponding increase and expand branch box (5) and fixedly connected with support (13), and the bottom bonding of support (13) is fixed with anti-skidding rubber, one side that vertical screw thread drive assembly is close to box shape seat (2) and one end fixed connection that box shape seat (2) were kept away from to square rod (8) that correspond.

2. A steel scaffold for construction engineering according to claim 1, wherein: the assembled steel scaffold assembly comprises four steel branch pipes (1), wherein the bottom ends of the steel branch pipes (1) are movably clamped into corresponding positioning clamping sleeves (4), two L-shaped clamping blocks (101) are fixedly connected to one sides of the four steel branch pipes (1) close to each other, and the same steel support plate (102) is movably clamped on the four L-shaped clamping blocks (101) located at the same height.

3. A steel scaffold for construction engineering according to claim 2, characterized in that: the screw thread rotary driving assembly comprises four first screw rods (9), the four first screw rods (9) are respectively and rotatably installed in corresponding rectangular holes (6), four rectangular rods (7) are respectively and spirally sleeved on the corresponding first screw rods (9), one ends, close to the four first screw rods (9), of the four first screw rods are respectively and rotatably connected into the box-shaped base (2) and fixedly connected with first bevel gears (10), two opposite first bevel gears (10) are symmetrically arranged, the same second bevel gear (17) is meshed between the four first bevel gears (10), the bottoms of the second bevel gears (17) are fixedly connected with the top end of an output shaft of a driving motor (11), square sliding grooves are formed in the repulsive ends of the four first screw rods (9), and the square sliding grooves are slidably sleeved on the corresponding square rods (8).

4. A steel scaffold for construction engineering according to claim 3, wherein: the vertical thread driving assembly comprises a second screw rod (14) which is rotationally connected between the inner wall of the top of the corresponding amplification support box (5) and the inner wall of the bottom, an L-shaped rod (12) is sleeved on the second screw rod (14) in a threaded mode, the bottom end of the L-shaped rod (12) slidingly extends to the lower portion of the corresponding amplification support box (5) and is fixedly connected with the top of the support (13), a third bevel gear (15) is fixedly sleeved on the second screw rod (14), a fourth bevel gear (16) is meshed with one side, close to the box-shaped seat (2), of the third bevel gear (15), and one side, close to the box-shaped seat (2), of the fourth bevel gear (16) is fixedly connected with one end, far away from the box-shaped seat (2), of the corresponding square rod (8).

5. A steel scaffold for construction engineering according to claim 2, characterized in that: clamping holes are formed in four corners of the top of the steel support plate (102), and the clamping holes are movably clamped on corresponding L-shaped clamping blocks (101).

6. A steel scaffold for construction engineering according to claim 3, wherein: one end of the rectangular rod (7) far away from the corresponding expansion branch box (5) is provided with a first threaded hole, and the first threaded hole is in threaded connection with a corresponding first screw rod (9).

7. The steel scaffold for construction engineering according to claim 4, wherein: the top of the L-shaped rod (12) is provided with a second threaded hole in threaded connection with a corresponding second screw (14), and the inner wall of the bottom of the expansion supporting box (5) is provided with a rectangular guide hole which is sleeved with the outer side of the corresponding L-shaped rod (12) in a sliding manner.

8. A steel scaffold for construction engineering according to claim 1, wherein: the bottom fixedly connected with motor cabinet of box-shaped seat (2), driving motor (11) fixed connection is at the top of motor cabinet, the top fixedly connected with of motor cabinet and driving motor (11) electric connection's battery, and the front side of driving motor (11) is fixed and electric connection has wireless remote control switch, and wireless remote control switch matches the outside remote controller that sets up.