Building engineering support with height convenient to adjust

Abstract

The utility model relates to constructional engineering construction equipment, in particular to a constructional engineering support convenient for height adjustment, which is characterized in that four support legs I of a bottom frame are distributed at four corners of a rectangle, a support plate is fixedly connected to the top surfaces of two top cross beams, four support legs II of a top frame are fixedly connected to the bottom surface of a top frame, and an operation top plate is fixedly connected to the top frame; the four supporting legs II are inserted into the four supporting legs I respectively, a plurality of bolt holes III are formed in each supporting leg II, a bolt hole I is formed in the upper portion of each supporting leg I, a bolt I is inserted into each bolt hole I and each bolt hole III, and each bolt I penetrates through the corresponding bolt hole I and the corresponding bolt hole III and then is connected into the corresponding nut I. A rectangular hole is formed in the operation top plate. The top frame is stable in structure and convenient to use, reassembly and disassembly are not needed during height adjustment, a worker can stand on the supporting plate to adjust the top frame, operation is easy, time and labor are saved, supports or related accessories of different heights do not need to be purchased, and construction cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction engineering construction equipment, concretely is a kind of support for construction engineering with height is adjusted easily. BACKGROUND

[0002] Support is often needed in construction field construction, and various supports are needed in different areas, for example, when painting the outer surface of a building, a support is needed for workers to stand on it for use.

[0003] The commonly used support in prior art mainly includes scaffold, wood self-erected support and the like, but these supports in prior art are generally fixedly arranged and cannot be adjusted in height, so when height adjustment is needed, workers need to climb down the frame body, reassemble a new frame body of new height, which is troublesome, time-consuming and labor-intensive, and the procurement or manufacture of supports of different heights increases construction cost. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a support for construction engineering with height is adjusted easily, with height adjustment function, workers can adjust height without climbing down the frame body, which is time-saving and labor-saving.

[0005] To achieve the above technical effects, the utility model provides a support for construction engineering with height is adjusted easily, which comprises a base frame and a top frame, the top frame is slidably connected to the base frame, the base frame comprises four supporting legs I, a top cross beam, a supporting plate and a bottom cross beam, the four supporting legs I are arranged at the four corners of the rectangle, the top cross beam comprises two parallel top cross beams, each top cross beam is fixedly connected between two supporting legs I at both ends, the supporting plate is fixedly connected to the top surface of the two top cross beams, the bottom cross beam comprises two parallel bottom cross beams, each bottom cross beam is fixedly connected between two supporting legs I at both ends, the two bottom cross beams are arranged below the two top cross beams, the top frame comprises supporting legs II and a top frame, the top frame is composed of four edge strips to form a rectangular frame body, the four supporting legs II are fixedly connected to the bottom surface of the top frame, the four supporting legs II are arranged at the four corners of the rectangular top frame, a work top plate is fixedly connected to the top frame, the four supporting legs II are inserted into the four supporting legs I respectively, a plurality of bolt holes III are arranged on each supporting leg II, the bolt holes III pass through the supporting leg II, the plurality of bolt holes III are linearly and uniformly distributed along the length direction of the supporting leg II, a bolt hole I is arranged on the upper part of each supporting leg I, the bolt hole I passes through the supporting leg I, the bolt hole I is coaxial with a bolt hole III, a nut I is welded to the outer wall of each supporting leg I on one side, the nut I is coaxial with the bolt hole I, a bolt I is inserted into the bolt hole I and the bolt hole III, and the bolt I is connected to the nut I after passing through the bolt hole I and the bolt hole III, a rectangular hole is formed in the work top plate, the rectangular hole comprises two rectangular holes arranged close to the edge of the work top plate along the length direction of the rectangular hole.

[0006] Further, the top frame is rotatably connected with a cover plate assembly, the cover plate assembly is provided with two, two cover plate assemblies are respectively arranged above the rectangular holes, each cover plate assembly comprises a side plate and a top plate, the side plate is provided with two, the two side plates are symmetrical, the two side plates are respectively fixedly connected with the left and right ends of the top plate, the two side plates are fixedly connected with the bottom surface of the top plate, the two ends of each side plate are extended out of the top plate, the shaft hole II is arranged on each side plate, the shaft hole II penetrates the side plate, the shaft hole II is arranged at the end of the side plate extended out of the top plate, the shaft holes II of the two side plates are coaxial, the two parallel edges of the top frame are provided with the shaft hole I, the shaft hole I penetrates the edge of the top frame, the shaft hole I is arranged on the edge of the top frame parallel to the top cross beam, the shaft hole I is arranged on the side of the two rectangular holes, the shaft hole II and the shaft hole I are coaxial, the shaft hole II and the shaft hole I are inserted with a connecting shaft, the connecting shaft comprises a shaft portion and a screw portion, the screw portion is provided with two, the two screw portions are respectively arranged at the two ends of the shaft portion, the two screw portions respectively pass through the shaft hole II and the shaft hole I of one side, each screw portion is connected with a nut II after penetrating the shaft hole II, the top plate is arranged above the rectangular hole, and the top plate shields the rectangular hole.

[0007] Further, the two side plates of each cover plate assembly are provided with a bolt hole V, the two edges of the top frame provided with the shaft hole I are provided with a bolt hole IV, the inner sides of the two edges of the top frame provided with the shaft hole I are welded with a nut III, the nut III is coaxial with the bolt hole IV, each bolt hole V is coaxial with a bolt hole IV, the coaxial bolt hole V and the bolt hole IV are inserted with a bolt II, and the bolt II is connected in the nut III after penetrating the bolt hole V and the bolt hole IV.

[0008] Further, the upper portion of each supporting leg I is provided with two bolt holes I, the spacing between the two bolt holes I is the same as the spacing between the two bolt holes III, and the two bolt holes I and the two bolt holes III are connected through the bolt I and the nut I.

[0009] Further, the two supporting legs I connected with the top cross beam and the bottom cross beam are further fixedly connected with inclined rib strips, the inclined rib strips are arranged between the top cross beam and the bottom cross beam, the two ends of the inclined rib strip are respectively fixedly connected to the two supporting legs I, the inclined rib strip between the two supporting legs I is provided with two, and the two inclined rib strips are in the shape of X.

[0010] Further, the two supporting legs I not connected with the top cross beam and the bottom cross beam are fixedly connected with horizontal rib strips, the horizontal rib strips of the two supporting legs I are provided with a plurality of, and the plurality of horizontal rib strips are uniformly distributed along the height direction of the supporting leg I.

[0011] Further, the two ends of each top cross beam and the supporting leg I are welded with a rib plate I, the two ends of each bottom cross beam and the supporting leg I are welded with a rib plate I, and the rib plate I is in the shape of a triangle.

[0012] Further, the top frame and the four supporting legs II are welded with a rib plate II, and the rib plate II is in the shape of a triangle.

[0013] Furthermore, four lifting lugs are welded to the outer wall of the top frame. The four lifting lugs are located at the four corners of the rectangular top frame, and the four lifting lugs are symmetrical in pairs. Each lifting lug has a lifting hole.

[0014] Furthermore, it includes a collection box, which is located on the bottom side of the base frame 1. The collection box is a rectangular box with an open top surface. The length of the collection box is the same as the length of the base frame. Multiple screws are fixedly connected to the outer wall of the collection box. The multiple screws are linearly and evenly distributed along the length of the collection box. Each screw is connected to two nuts IV. The bottom crossbeam is provided with multiple bolt holes II. The multiple bolt holes II are coaxial with the multiple screws. The multiple screws are inserted into the multiple bolt holes II. The two nuts IV on each screw are respectively attached to both sides of the bottom crossbeam.

[0015] The beneficial effects of this utility model are as follows: The four support legs I of the base frame are distributed at the four corners of the rectangle. The support plate is fixedly connected to the top surface of the two top crossbeams. It includes support legs II and a top frame. The four support legs II are all fixedly connected to the bottom surface of the top frame. The working top plate is fixedly connected to the top frame. The four support legs II are respectively inserted into the four support legs I. Each support leg II is provided with multiple bolt holes III. Each support leg I is provided with bolt holes I at the top. Bolts I are inserted into bolt holes I and one bolt hole III. After passing through bolt holes I and III, bolts I are connected to nuts I. Rectangular holes are opened on the working top plate. This utility model has a stable structure, is easy to use, and has a height adjustment function. Height adjustment does not require disassembly and reassembly. When adjusting the height, the workers do not need to climb down from this utility model, but can adjust the top frame by standing on the support plate. The operation is simple, time-saving and labor-saving. There is no need to purchase supports or related accessories of different heights, saving construction costs. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This utility model Figure 1 AA section view;

[0018] Figure 3 This utility model Figure 1 BB cross-sectional view;

[0019] Figure 4 This is a schematic diagram of the structure at the connection between support leg I and support leg II of this utility model;

[0020] Figure 5 This is a schematic diagram of the cover plate assembly of this utility model;

[0021] Figure 6 This utility model Figure 5C-C sectional view of the present application;

[0022] Figure 7 Fig. 1 is a structural schematic view of the bottom frame of the present application;

[0023] Figure 8 Fig. 2 is a structural schematic view of the top frame of the present application;

[0024] Figure 9 Fig. 3 is a structural schematic view of the present application when the collecting box is connected;

[0025] Figure 10 Fig. 4 is a structural schematic view of the collecting box of the present application.

[0026] In the figure: 1. bottom frame; 101. leg I; 1011. bolt hole I; 102. top cross beam; 103. support plate; 104. bottom cross beam; 1041. bolt hole II; 105. inclined rib; 106. cross rib; 107. rib plate I; 2. top frame; 201. leg II; 2011. bolt hole III; 202. top frame; 203. rib plate II; 2021. shaft hole I; 2022. bolt hole IV; 3. working top plate; 301. rectangular hole; 4. cover plate assembly; 401. side plate; 402. top plate; 403. shaft hole II; 404. bolt hole V; 5. lifting lug plate; 6. bolt I; 7. nut I; 8. connecting shaft; 801. shaft part; 802. screw part; 9. nut II; 10. bolt II; 11. nut III; 12. collecting box; 13. screw; 14. nut IV. DETAILED DESCRIPTION

[0027] As Figures 1-8The utility model discloses a convenient height -adjusting support for constructional engineering, including chassis 1 and top frame 2, top frame 2 slidingly connects on chassis 1, and chassis 1 includes support leg I 101, top crossbeam 102, support plate 103 and bottom crossbeam 104, support leg I 101 is equipped with four, four support leg I 101 distributes at the four corners of rectangle, top crossbeam 102 is equipped with two, two top crossbeams 102 are parallel, and the both ends of each top crossbeam 102 are fixedly connected between two support leg I 101 respectively, support plate 103 is fixedly connected on the top surface of two top crossbeams 102, bottom crossbeam 104 is equipped with two, two bottom crossbeams 104 are parallel, and the both ends of each bottom crossbeam 104 are fixedly connected between two support leg I 101 respectively, and two bottom crossbeams 104 are arranged below two top crossbeams 102 respectively, top frame 2 includes support leg II 201 and top frame 202, and top frame 202 is by four edge strips and is formed rectangular frame body, support leg II 201 is equipped with four, four support leg II 201 are all fixedly connected on the bottom surface of top frame 202, and four support leg II 201 are arranged at the rectangular four corners of top frame 202 respectively, and top frame 202 is fixedly connected with operation top plate 3, four support leg II 201 are inserted in four support leg I 101 respectively, and each support leg II 201 is equipped with a plurality of bolt holes III 2011, and bolt holes III 2011 pass through support leg II 201, and a plurality of bolt holes III 2011 are linearly uniformly distributed along the length direction of support leg II 201, the upper portion of each support leg I 101 is equipped with bolt hole I 1011, and bolt hole I 1011 passes through support leg I 101, and bolt hole I 1011 is coaxial with a bolt hole III 2011, and the outer wall on one side of each support leg I 101 is welded with nut I 7, and nut I 7 is coaxial with bolt hole I 1011, and bolt I 6 is inserted in a bolt hole III 2011 and a bolt hole I 1011 with one bolt hole I 1011, and bolt I 6 is connected in nut I 7 after passing through bolt hole I 1011 and bolt hole III 2011, and rectangular hole 301 is formed on operation top plate 3, and rectangular hole 301 is equipped with two, and two rectangular holes 301 are arranged close to the edge portion of operation top plate 3 along the length direction of rectangular hole 301.

[0028] The utility model discloses height -adjusting is realized simultaneously that top frame 2 is on the up and down sliding of chassis 1, and after sliding in place, top frame 2 and chassis 1 are fixed with the connection of bolt I 6 and nut I 7, when height -adjusting, the staff on operation top plate 3 need not climb from operation top plate 3, and the staff stands in rectangular hole 301 and treads on support plate 103, then loosens bolt I 6 and adjusts the height of top frame 2, when top frame 2 height -adjusting, do not affect personnel standing in rectangular hole 301 and treading on support plate 103, and after adjusting in place, can be fastened again bolt I 6 and nut I 7, in the utility model, nut I 7 is welded on support leg I 101, when disassembling bolt I 6, need not lock nut I 7 again, can only operate bolt I 6, convenient to use, and convenient operation, nut I 7 should be arranged in the inside of chassis 1, and bolt I 6 should be arranged in the inside and outside of chassis 1.

[0029] Since four bolts I6 need to be adjusted when adjusting the height of the top frame 2, it is recommended that two operators operate together; in addition, a hydraulic top rod or the like component can be arranged between the support plate 103 and the working top plate 3, so that the height of the top frame 2 is adjusted electrically, and the height of the top frame 2 can also be adjusted by one person.

[0030] The upper portion of each support leg I101 is provided with two bolt holes I1011, the spacing between the two bolt holes I1011 is the same as the spacing between the two bolt holes III2011, and the two bolt holes I1011 and the two bolt holes III2011 are connected by bolts I6 and nuts I7.

[0031] Each support leg I101 and each support leg II201 are connected by two bolts I6 and nuts I7, which improves the connection stability and structural strength.

[0032] It should be noted that in order to ensure the structural strength and stability of the top frame 2, the length of the support leg II201 inserted into the support leg I101 should be greater than half the length of the support leg I101.

[0033] The top frame 2 is rotatably connected with a cover plate assembly 4, the cover plate assembly 4 is provided with two, the two cover plate assemblies 4 are respectively arranged above the rectangular holes 301, each cover plate assembly 4 comprises a side plate 401 and a top plate 402, the side plate 401 is provided with two, the two side plates 401 are symmetrical, the two side plates 401 are respectively fixedly connected to the left and right ends of the top plate 402, the two side plates 401 are all fixedly connected to the bottom surface of the top plate 402, the two end portions of each side plate 401 all protrude from the top plate 402, an axle hole II403 is arranged on each side plate 401, the axle hole II403 penetrates the side plate 401, the axle hole II403 is arranged at the end portion of the side plate 401 protruding from the top plate 402, the axle holes II403 of the two side plates 401 are coaxial, the two parallel edge strips of the top frame 202 are all provided with an axle hole I2021, the axle hole I2021 penetrates the edge strip of the top frame 202, the axle hole I2021 is arranged on the edge strip of the top frame 202 parallel to the top cross beam 102, the two rectangular holes 301 are both provided with the axle hole I2021, the axle hole II403 is coaxial with the axle hole I2021, a connecting shaft 8 is inserted into the axle hole II403 and the axle hole I2021, the connecting shaft 8 comprises a shaft portion 801 and a screw portion 802, the screw portion 802 is provided with two, the two screw portions 802 are respectively arranged at the two ends of the shaft portion 801, the two screw portions 802 respectively pass through the axle hole II403 and the axle hole I2021 of one side, each screw portion 802 is connected with a nut II9 after penetrating the axle hole II403, the top plate 402 is arranged above the rectangular hole 301, and the top plate 402 shields the rectangular hole 301.

[0034] The two side plates 401 of each cover plate assembly 4 are provided with bolt holes V 404, the two edge strips of the top frame 202 provided with the shaft hole I 2021 are provided with bolt holes IV 2022, the inner sides of the two edge strips of the top frame 202 provided with the shaft hole I 2021 are welded with nuts III 11 coaxial with the bolt holes IV 2022, each bolt hole V 404 is coaxial with a bolt hole IV 2022, and the coaxial bolt holes V 404 and bolt holes IV 2022 are inserted with bolts II 10, which are connected in the nuts III 11 after passing through the bolt holes V 404 and bolt holes IV 2022.

[0035] The cover plate assembly 4 is arranged to shield the rectangular hole 301, thereby avoiding personnel falling into the rectangular hole 301 during normal operation, and when the cover plate assembly 4 needs to be opened, the bolts II 10 are first removed, and then the cover plate assembly 4 is rotated to be opened, and the two ends of each side plate 401 extend out of the top plate 402 to ensure that the top plate 402 does not interfere with the operation top plate 3 when the cover plate assembly 4 is rotated, and the nuts III 11 are welded on the inner sides of the edge strips of the top frame 202, thereby facilitating the disassembly and assembly of the bolts II 10.

[0036] The two legs I 101 connected with the top cross beam 102 and the bottom cross beam 104 are further fixedly connected with inclined rib strips 105, the inclined rib strips 105 are arranged between the top cross beam 102 and the bottom cross beam 104, the two ends of the inclined rib strips 105 are fixedly connected on the two legs I 101 respectively, and the inclined rib strips 105 between the two legs I 101 are provided with two, and the two inclined rib strips 105 are in the shape of “X”.

[0037] The two legs I 101 not connected with the top cross beam 102 and the bottom cross beam 104 are fixedly connected with horizontal rib strips 106, the horizontal rib strips 106 of the two legs I 101 are provided with a plurality of, and the plurality of horizontal rib strips 106 are uniformly distributed along the height direction of the legs I 101.

[0038] The two ends of each top cross beam 102 and the legs I 101 are welded with rib plates I 107, the two ends of each bottom cross beam 104 and the legs I 101 are welded with rib plates I 107, and the rib plates I 107 are in the shape of a triangle.

[0039] The arrangement of the inclined rib strips 105, the horizontal rib strips 106 and the rib plates I 107 improves the structural stability of the base frame 1.

[0040] Further, the top frame 202 and the four legs II 201 are welded with rib plates II 203, and the rib plates II 203 are in the shape of a triangle.

[0041] The setting of the muscle plate 203 improves the structural stability of the top frame 2. In addition, in order to ensure the strength of the operation top plate 3, a plurality of reinforcing ribs are arranged in the top frame 202, the reinforcing ribs should be arranged along the width direction of the top frame 202, and the reinforcing ribs cannot be arranged below the rectangular hole 301.

[0042] The top frame 202 is welded with a lifting lug plate 5 outside the wall, the lifting lug plate 5 is provided with four, the four lifting lug plates 5 are respectively arranged at the rectangular four corners of the top frame 202, the four lifting lug plates 5 are symmetrical, and each lifting lug plate 5 is provided with a lifting hole.

[0043] The setting of the lifting lug plate 5 facilitates the hoisting of the utility model.

[0044] The utility model has the advantages of stable structure, convenient use, height adjusting function, no need to disassemble and assemble again during height adjustment, no need for workers to climb down the utility model during height adjustment, simple operation, time and labor saving, no need to purchase supports or related accessories of different heights, and construction cost saving.

[0045] As shown in Figures 9-10 The utility model also includes a collection box 12, the collection box 12 is arranged at the bottom side of the bottom frame 1, the collection box 12 is a rectangular box body with an open top surface, the length of the collection box 12 is same with the length of the bottom frame, a plurality of screw rods 13 are fixedly connected to the outer wall of the collection box 12, the plurality of screw rods 13 are linearly and uniformly distributed along the length direction of the collection box 12, two nuts IV 14 are connected to each screw rod 13, a plurality of bolt holes II 1041 are arranged on the bottom cross beam 104, the plurality of bolt holes II 1041 are coaxial with the plurality of screw rods 13, the plurality of screw rods 13 are inserted into the plurality of bolt holes II 1041, and the two nuts IV 14 on each screw rod 13 are respectively held on the two sides of the bottom cross beam 104.

[0046] The setting of the collection box 12 mainly aims at the operation of the utility model on the wall, the collection box 12 is arranged close to the wall surface by adjusting the two nuts IV 14, the cement or paint falling during operation is collected in the collection box 12, so as to avoid environmental pollution, the collection box 12 can also be used as a tool box for placing tools or a paint tank for containing paint, and in addition, according to different construction requirements, the collection box 12 can be connected to the top cross beam 102 after the bolt holes are arranged on the top cross beam 102.

Claims

1. A construction scaffolding that is easily height adjustable, characterised in that: The utility model relates to a kind of movable work platform, including chassis (1) and top frame (2), top frame (2) is slidably connected on chassis (1), chassis (1) includes support leg I (101), top crossbeam (102), support plate (103) and bottom crossbeam (104), support leg I (101) is equipped with four, four support leg I (101) is distributed at the four corners of rectangle, top crossbeam (102) is equipped with two, two top crossbeam (102) are parallel, and the both ends of each top crossbeam (102) are fixedly connected between two support leg I (101), support plate (103) is fixedly connected on the top surface of two top crossbeam (102), bottom crossbeam (104) is equipped with two, two bottom crossbeam (104) are parallel, and the both ends of each bottom crossbeam (104) are fixedly connected between two support leg I (101), and two bottom crossbeam (104) are respectively arranged below two top crossbeam (102), the top frame (2) includes support leg II (201) and top frame (202), top frame (202) is made of four edge bars and forms rectangular frame body, support leg II (201) is equipped with four, four support leg II (201) are all fixedly connected on the bottom surface of top frame (202), and four support leg II (201) are respectively arranged at the rectangular four corners of top frame (202), work top plate (3) is fixedly connected on top frame (202), four support leg II (201) are respectively inserted in four support leg I (101), and each support leg II (201) is equipped with multiple bolt holes III (2011), bolt holes III (2011) pass through support leg II (201), and multiple bolt holes III (2011) are linearly uniformly distributed along the length direction of support leg II (201), each support leg I (101) is equipped with bolt hole I (1011) on upper portion, bolt hole I (1011) passes through support leg I (101), bolt hole I (1011) is coaxial with a bolt hole III (2011), and nut I (7) is welded on the outer wall of each support leg I (101) on one side, nut I (7) is coaxial with bolt hole I (1011), bolt I (6) is inserted in a bolt hole III (2011) with a bolt hole I (1011), bolt I (6) is connected in nut I (7) after passing through bolt hole I (1011) and bolt hole III (2011), rectangular hole (301) is set on work top plate (3), rectangular hole (301) is equipped with two, and two rectangular holes (301) are respectively arranged close to the edge portion of work top plate (3) along the length direction of rectangular hole (301).

2. A height adjustable construction scaffolding arrangement according to claim 1, wherein: The top frame (2) is rotatably connected with a cover plate assembly (4), the cover plate assembly (4) is provided with two, the two cover plate assemblies (4) are respectively arranged above the rectangular hole (301), each cover plate assembly (4) comprises a side plate (401) and a top plate (402), the side plate (401) is provided with two, the two side plates (401) are symmetrical, the two side plates (401) are respectively fixedly connected to the left and right ends of the top plate (402), the two side plates (401) are all fixedly connected to the bottom surface of the top plate (402), the two ends of each side plate (401) are all extended to the top plate (402), each side plate (401) is all provided with a shaft hole II (403), the shaft hole II (403) penetrates the side plate (401), the shaft hole II (403) is arranged at the end of the side plate (401) extended to the top plate (402), the shaft holes II (403) of the two side plates (401) are coaxial, the two parallel edge strips of the top frame (202) are all provided with a shaft hole I (2021), the shaft hole I (2021) penetrates the edge strip of the top frame (202), the shaft hole I (2021) is arranged on the edge strip of the top frame (202) parallel to the top cross beam (102), the two rectangular holes (301) are all provided with a shaft hole I (2021), the shaft hole II (403) and the shaft hole I (2021) are coaxial, the shaft hole II (403) and the shaft hole I (2021) are inserted with a connecting shaft (8), the connecting shaft (8) comprises a shaft portion (801) and a screw portion (802), the screw portion (802) is provided with two, the two screw portions (802) are respectively arranged at the two ends of the shaft portion (801), the two screw portions (802) respectively pass through the shaft hole II (403) and the shaft hole I (2021) of one side, each screw portion (802) is connected with a nut II (9) after penetrating the shaft hole II (403), the top plate (402) is arranged above the rectangular hole (301), and the top plate (402) shields the rectangular hole (301).

3. A height adjustable construction scaffolding arrangement according to claim 2, wherein: The two side plates (401) of each cover plate assembly (4) are all provided with a bolt hole V (404), the two edge strips of the top frame (202) provided with the shaft hole I (2021) are all provided with a bolt hole IV (2022), the inner sides of the two edge strips of the top frame (202) provided with the shaft hole I (2021) are all welded with a nut III (11), the nut III (11) is coaxial with the bolt hole IV (2022), each bolt hole V (404) is coaxial with a bolt hole IV (2022), the coaxial bolt hole V (404) and the bolt hole IV (2022) are inserted with a bolt II (10), and the bolt II (10) is connected in the nut III (11) after penetrating the bolt hole V (404) and the bolt hole IV (2022).

4. A height adjustable construction scaffolding arrangement according to claim 3, wherein: The upper portion of each supporting leg I (101) is provided with two bolt holes I (1011), the spacing between the two bolt holes I (1011) is same as the spacing between the two bolt holes III (2011), and the two bolt holes I (1011) and the two bolt holes III (2011) are connected through the bolt I (6) and the nut I (7).

5. A height adjustable construction scaffolding arrangement according to claim 4, wherein: Two legs I (101) connected with top beam (102) and bottom beam (104) are also fixedly connected with inclined rib (105), which is arranged between top beam (102) and bottom beam (104), and the both ends of which are fixedly connected on two legs I (101), and two inclined ribs (105) are arranged between two legs I (101), which are in the shape of "X".

6. A height adjustable construction scaffolding arrangement according to claim 5, wherein: Two legs I (101) not connected with top beam (102) and bottom beam (104) are fixedly connected with horizontal rib (106), and multiple horizontal ribs (106) are arranged between two legs I (101), which are linearly and uniformly arranged along the height direction of leg I (101).

7. A height adjustable construction scaffolding arrangement according to claim 6, wherein: The both ends of each top beam (102) and leg I (101) are welded with rib plate I (107), and the both ends of each bottom beam (104) and leg I (101) are welded with rib plate I (107), which is in the shape of triangle.

8. A height adjustable construction scaffolding arrangement according to claim 7, wherein: The top frame (202) and four legs II (201) are welded with rib plate II (203), which is in the shape of triangle.

9. A height adjustable construction scaffolding arrangement according to claim 8, wherein: The outside wall of top frame (202) is welded with lug plate (5), which is in four, and the four lug plates (5) are arranged at the four corners of top frame (202), and the four lug plates (5) are symmetrically arranged, and each lug plate (5) is provided with lifting hole.

10. A height adjustable construction support according to any one of claims 1 to 9, wherein: The collecting box (12) is arranged at the bottom side of bottom frame (1), which is rectangular box body with open top surface, and the length of collecting box (12) is same as that of bottom frame, and multiple screw rods (13) are fixedly connected on the outside wall of collecting box (12), which are linearly and uniformly arranged along the length direction of collecting box (12), and two nuts IV (14) are connected on each screw rod (13), multiple bolt holes II (1041) are arranged on bottom beam (104), which are coaxial with multiple screw rods (13), multiple screw rods (13) are inserted into multiple bolt holes II (1041), and two nuts IV (14) on each screw rod (13) are arranged on the both sides of bottom beam (104).

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