CN221590548U

CN221590548U - Building templates strutting arrangement

Info

Publication number: CN221590548U
Application number: CN202322810653.3U
Authority: CN
Inventors: 郭建锋; 张红旗; 张玉展; 刘祥义; 刘秀梅
Original assignee: China Construction Industrial and Energy Engineering Group Co Ltd
Current assignee: China Construction Industrial and Energy Engineering Group Co Ltd
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-08-23
Anticipated expiration: 2033-10-19

Abstract

The utility model discloses a building template supporting device which comprises four first supporting seats which are in rectangular distribution, wherein the first supporting seats are used for supporting the whole device, the tops of the two first supporting seats on the left side are fixedly connected with first hydraulic cylinders, the top ends of output shafts of the two first hydraulic cylinders are fixedly connected with the same U-shaped supporting seat, the first hydraulic cylinders can adjust the supporting height of the U-shaped supporting seat, the same rotating mechanism is rotatably arranged between the inner wall on the front side and the inner wall on the rear side of the U-shaped supporting seat, and the top of the rotating mechanism is fixedly connected with a first supporting plate. According to the utility model, through a series of structural arrangements, the inclination angle of the first support plate can be remotely controlled, adjusted and fixed according to the use requirement, the adjustment convenience and the automation degree are improved, the operation of personnel is convenient, and the support area can be adjusted according to the size of the building template, so that the utility model is suitable for supporting building modules with different sizes, and the use flexibility is improved.

Description

Building templates strutting arrangement

Technical Field

The utility model relates to the technical field of building template supporting equipment, in particular to a building template supporting device.

Background

The construction template design and construction application are innovation in concrete engineering template technology, and are promotion of assembly type concrete technology, the aluminum alloy template is composed of a template system, a fastening system, a supporting system and a fitting system, and is provided with a complete matched template system, the aluminum alloy template is suitable for template systems of different structures, the existing aluminum alloy template supporting piece is complex in structure and inconvenient to assemble, and when templates with different inclinations are supported, the aluminum alloy template supporting piece is poor in adaptability, and the templates with different angles can be supported only by relatively complex adjustment and collocation, so that labor intensity of operators is increased, and rapid construction of the construction template is not facilitated, and the application number is as follows: 202022614872.0 discloses a building template supporting device, which comprises a base arranged at one end of a supporting rod and a supporting seat arranged at the other end of the supporting rod, wherein a trapezoidal supporting plate is arranged on the supporting seat, an assembly groove matched with the supporting plate is arranged on the supporting seat, one end of the supporting plate extending into the assembly groove is rotatably arranged on the supporting seat through a rotating shaft, a connecting component matched with a building template is arranged at the other end of the supporting plate, a strip-shaped hole matched with the rotating shaft is arranged on the supporting seat and communicated with the assembly groove, and the length direction of the strip-shaped hole is identical with the length direction of the supporting rod; the device has stable and reliable structure, can adapt to the requirements of supporting building templates at various angles, can realize two-point support of the supporting seat by adopting the supporting rods and the diagonal braces, greatly improves the stability when the supporting plates support the building templates, and improves the integral structural strength and reliability of the supporting device;

The above patent discloses a building templates strutting arrangement, it is through the angle of adjusting the backup pad, can be applicable to the needs that building templates multiple angle supported, but it still has some shortfalls: 1. during adjustment, a person is required to manually adjust and match the positioning bolt for fixation, and the adjustment convenience and the automation degree are low in a mode of fixing the positioning bolt after adjustment; 2. the supporting area of the supporting plate is fixed, the supporting area cannot be adjusted according to the size of the building template, when the building template is large, the large supporting plate needs to be replaced, the use flexibility is low, the use requirement cannot be met, and the situation is fully described, so that the building template supporting device is provided.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a building template supporting device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a building templates strutting arrangement, includes four first supporting seats that are the rectangle and distribute, and first supporting seat is used for supporting whole device, and the top of two first supporting seats of left side is all fixedly connected with first pneumatic cylinder, and the same U-shaped supporting seat of output shaft top fixedly connected with of two first pneumatic cylinders, first pneumatic cylinder can adjust the supporting height of U-shaped supporting seat, the same slewing mechanism is installed in the rotation between the front side inner wall and the rear side inner wall of U-shaped supporting seat, and the first backup pad of top fixedly connected with of slewing mechanism, the first supporting shoe of right side bottom fixedly connected with of U-shaped supporting seat, and two multistage electric telescopic handle is installed in the rotation between the top of first supporting shoe and slewing mechanism's the right side, and slewing mechanism and multistage electric telescopic handle cooperate, can adjust and fix the angle of first backup pad, the top of the two first supporting seats on the right side are respectively provided with a second hydraulic cylinder in a rotating way, the top of an output shaft of the second hydraulic cylinder is rotatably arranged at the bottom of the U-shaped supporting seat, the arrangement of the second hydraulic cylinder can enlarge the bottom supporting area of the whole device and improve the supporting stability, the two sides of the first supporting plate are respectively movably contacted with a movable block, the top of the first supporting plate is movably embedded with a second supporting plate, the top of the second supporting plate is movably embedded with a third supporting plate, the top of the first supporting plate, the top of the second supporting plate and the top of the third supporting plate are flush, the building template is supported by the first supporting plate, the second supporting plate and the third supporting plate, the right side of the second supporting plate and the left side of the third supporting plate are fixedly connected with one side of the two movable blocks, the one side of the two movable blocks, which are mutually close, is provided with a screw driving mechanism, the screw thread actuating mechanism is used for driving corresponding movable block lateral shifting, and the right side of two screw thread actuating mechanisms all extends to the movable block right side on right side, and the movable block bottom fixedly connected with L shape backup pad on right side, the top fixedly connected with driving motor of L shape backup pad, driving motor's output shaft left end and screw thread actuating mechanism's right side fixed connection.

Preferably, the rotating mechanism comprises a rotating shaft which is rotatably arranged between the front inner wall and the rear inner wall of the U-shaped supporting seat, a round roller is fixedly sleeved on the rotating shaft, a rotating block is fixedly connected to the top of the round roller, the top of the rotating block is fixedly connected with the bottom of the first supporting plate, the top ends of output shafts of the two multi-stage electric telescopic rods are rotatably arranged on the right side of the rotating block, a avoidance hole which is arranged on the left side and is provided with an opening is formed in the bottom inner wall of the U-shaped supporting seat, the avoidance hole is matched with the rotating block, and the avoidance hole is formed so as to provide a rotating space for the rotating block when the rotating block rotates leftwards.

Preferably, the screw thread actuating mechanism includes the rectangular bar, two rectangular holes have been seted up on the right side of first backup pad, the rectangular bar slip cap is established in the rectangular hole that corresponds, one side that two movable blocks are close to each other respectively with the rectangular bar fixed connection who corresponds, the screw rod is installed in the rotation between the top inner wall and the bottom inner wall of rectangular hole, rectangular bar thread bush is established on the screw rod that corresponds, the mode of rectangular bar and screw rod threaded connection, can drive the rectangular bar lateral shifting who corresponds when the screw rod rotates, two square bars are installed in the movable block left side rotation on right side, the square bar is located the rectangular hole that corresponds, the screw rod slip cap is established on the square bar that corresponds, the square bar rotates and can drive the screw rod that corresponds through its edges and corners interlock when rotating, the right-hand member of two square bars all extends to the movable block right side on right side and fixedly connected with gear, two gears mesh, the output shaft left end of driving motor and the gear right side fixed connection of below.

Preferably, the front side of the multistage electric telescopic rod positioned at the front side is fixedly connected with a wireless synchronous control switch, the wireless synchronous control switch is electrically connected with two multistage electric telescopic rods, the front side of the driving motor is fixedly and electrically connected with a wireless remote control switch, the wireless remote control switch and the wireless synchronous control switch are matched and provided with the same external remote controller, and the wireless remote control switch, the wireless synchronous control switch and the external remote controller are matched, so that the two multistage electric telescopic rods and the driving motor can be remotely controlled to be started.

Preferably, the front side and the rear side of the first supporting seat are fixedly connected with fixing plates, two bolt holes are formed in the tops of the fixing plates, T-shaped anchor rods are sleeved in the bolt holes in a threaded mode, and the whole device is fixed through the T-shaped anchor rods.

Preferably, the top of the first supporting plate is provided with a first groove with an opening on the right side, the inner wall of the first groove is movably contacted with the outer side of the second supporting plate, the top of the second supporting plate is provided with a second groove with an opening on the left side, the inner wall of the second groove is movably contacted with the outer side of the third supporting plate, the left side inner wall of the first groove is provided with a through hole with an opening on the top, and the third supporting plate is positioned in the through hole and is movably contacted with the inner wall of the through hole.

Preferably, the right end of the screw rod is provided with a square hole, and the inner wall of the square hole is sleeved with the outer side of the corresponding square rod in a sliding manner.

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

1. The first hydraulic cylinder, the second hydraulic cylinder, the first supporting seat and the T-shaped anchor rod are matched, so that the supporting height can be adjusted, the supporting area of the bottom of the whole device can be increased, and the supporting stability is improved;

2. The rotating mechanism is matched with the multi-stage electric telescopic rod, so that the inclination angle of the first supporting plate can be automatically adjusted and fixed according to the use requirement, a person is not required to fix the first supporting plate by using a screw, the adjustment convenience and the automation degree are improved, and the operation of the person is facilitated;

3. The second support plate, the third support plate, the moving block, the thread driving mechanism and the driving motor are matched, so that the support area can be adjusted according to the size of the building template, and the device is suitable for supporting building modules with different sizes, and improves the use flexibility;

According to the utility model, through a series of structural arrangements, the inclination angle of the first support plate can be remotely controlled, adjusted and fixed according to the use requirement, the adjustment convenience and the automation degree are improved, the operation of personnel is convenient, and the support area can be adjusted according to the size of the building template, so that the utility model is suitable for supporting building modules with different sizes, and the use flexibility is improved.

Drawings

Fig. 1 is a schematic perspective view of a building formwork support device according to the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional front view of a building form support apparatus according to the present utility model;

fig. 3 is an enlarged schematic view of the portion a in fig. 2.

In the figure: 100. a first hydraulic cylinder; 101. a first support base; 102. t-shaped anchor rod; 103. a U-shaped supporting seat; 1. a second hydraulic cylinder; 2. a rotating block; 3. a multi-stage electric telescopic rod; 4. avoidance holes; 5. a first support block; 6. a first support plate; 7. a second support plate; 8. a third support plate; 9. a moving block; 10. a rectangular hole; 11. a rectangular bar; 12. a screw; 13. square rods; 14. a gear; 15. a driving motor; 16. a wireless remote control switch; 17. an L-shaped support plate; 18. and (5) a round roller.

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.

Referring to fig. 1-3, a building template supporting device comprises four first supporting seats 101 which are rectangular in distribution, wherein the first supporting seats 101 are used for supporting the whole device, the front side and the rear side of each first supporting seat 101 are fixedly connected with a fixing plate, two bolt holes are formed in the tops of the fixing plates, T-shaped anchor rods 102 are sleeved in the bolt holes in a threaded manner, the whole device can be fixed through a plurality of T-shaped anchor rods 102, the tops of the two first supporting seats 101 on the left side are fixedly connected with first hydraulic cylinders 100, the top ends of output shafts of the two first hydraulic cylinders 100 are fixedly connected with one U-shaped supporting seat 103, the first hydraulic cylinders 100 can adjust the supporting height of the U-shaped supporting seats 103, one rotating mechanism is rotatably arranged between the inner walls on the front side and the rear side of each U-shaped supporting seat 103, the bottom of the right side of each U-shaped supporting seat 103 is fixedly connected with a first supporting block 5, two multi-stage electric telescopic rods 3 are rotatably arranged between the top of the first supporting block 5 and the right side of the rotating mechanism, the rotating mechanism comprises a rotating shaft rotatably arranged between the front inner wall and the rear inner wall of the U-shaped supporting seat 103, wherein the front inner wall and the rear inner wall of the U-shaped supporting seat 103 are fixedly connected with first bearings, the inner side of an inner ring of each first bearing is fixedly connected with the outer side of the rotating shaft, the first bearings play the effect of rotatably mounting the rotating shaft, round rollers 18 are fixedly sleeved on the rotating shaft, the top of each round roller 18 is fixedly connected with a rotating block 2, the top ends of output shafts of the two multi-stage electric telescopic rods 3 are rotatably mounted on the right side of the rotating block 2, the multi-stage electric telescopic rods 3 are used for driving the rotating block 2 to rotate, avoidance holes 4 which are arranged in an opening are formed in the left side of the inner wall of the bottom of the U-shaped supporting seat 103 are matched with the rotating block 2, the avoiding holes 4 are arranged, so that a rotating space can be provided for the rotating block 2 when the rotating block 2 rotates leftwards;

the top of the rotating block 2 is fixedly connected with a first supporting plate 6, the tops of two first supporting seats 101 on the right side are respectively and rotatably provided with a second hydraulic cylinder 1, the top end of an output shaft of the second hydraulic cylinder 1 is rotatably arranged with the bottom of a U-shaped supporting seat 103, the arrangement of the second hydraulic cylinder 1 can enlarge the bottom supporting area of the whole device and improve the supporting stability, two sides of the first supporting plate 6 are respectively and movably contacted with a moving block 9, the top of the first supporting plate 6 is movably embedded with a second supporting plate 7, the top of the second supporting plate 7 is movably embedded with a third supporting plate 8, wherein the top of the first supporting plate 6 is provided with a first groove with an opening on the right side, the inner wall of the first groove is movably contacted with the outer side of the second supporting plate 7, the top of the second supporting plate 7 is provided with a second groove with an opening on the left side, the inner wall of the second groove is movably contacted with the outer side of the third supporting plate 8, the inner wall of the left side of the first groove is provided with a through hole with an opening on the top, the third supporting plate 8 is positioned in the through hole and is movably contacted with the inner wall of the through hole, the top of the first supporting plate 6, the top of the second supporting plate 7 and the third supporting plate 8 are respectively connected with the second supporting plate 8 on the right side of the first supporting plate 7 and the second supporting plate 7, and the third supporting plate 8 on the right side of the building through the first supporting plate 7 and the second supporting plate 8, and the third supporting plate 8, respectively;

The screw thread driving mechanisms are arranged on one sides of the two moving blocks 9, which are close to each other, the right sides of the two screw thread driving mechanisms are extended to the right sides of the moving blocks 9 on the right sides, the bottom of the moving block 9 on the right side is fixedly connected with an L-shaped supporting plate 17, the top of the L-shaped supporting plate 17 is fixedly connected with a driving motor 15, wherein the front side of the multistage electric telescopic rod 3 positioned on the front side is fixedly connected with a wireless synchronous control switch, the wireless synchronous control switch is electrically connected with the two multistage electric telescopic rods 3, the front side of the driving motor 15 is fixedly and electrically connected with a wireless remote control switch 16, the wireless remote control switch 16 and the wireless synchronous control switch are matched with one external remote controller, the two multistage electric telescopic rods 3 and the driving motor 15 can be remotely controlled to be started, the left end of an output shaft of the driving motor 15 is fixedly connected with the right side of the screw thread driving mechanism, wherein the screw thread driving mechanism comprises a rectangular rod 11, two rectangular holes 10 are formed on the right side of a first supporting plate 6, the rectangular rod 11 is slidably sleeved in the corresponding rectangular holes 10, one sides of the two moving blocks 9, which are close to each other, are respectively and fixedly connected with the corresponding rectangular rods 11, a screw rod 12 is rotatably arranged between the top inner wall and the bottom inner wall of the rectangular holes 10, a second bearing is fixedly connected between the top inner wall and the bottom inner wall of the rectangular holes 10, the inner side of the inner ring of the second bearing is fixedly connected with the outer side of the corresponding screw rod 12, the second bearing plays the effect of rotatably mounting the corresponding screw rod 12, the rectangular rods 11 are threadedly sleeved on the corresponding screw rods 12, the right ends of the rectangular rods 11 are provided with threaded holes, the threaded holes are in threaded connection with the corresponding screw rods 12, the rectangular rods 11 and the screw rods 12 are in threaded connection through the corresponding threaded holes, the corresponding rectangular rod 11 can be driven to transversely move while the screw rod 12 rotates, two square rods 13 are rotatably arranged on the left side of the moving block 9 on the right side, two round holes are formed in the right side of the moving block 9 on the right side, a third bearing is fixedly sleeved in the round holes, the inner side of an inner ring of the third bearing is fixedly connected with the outer side of the corresponding square rod 13, the third bearing has the effect of rotatably arranging the corresponding square rod 13, the square rod 13 is positioned in the corresponding rectangular hole 10, the screw rod 12 is slidably sleeved on the corresponding square rod 13, square holes are formed in the right end of the screw rod 12, the inner wall of each square hole is slidably sleeved with the outer side of the corresponding square rod 13, the square rods 13 can rotate and simultaneously drive the corresponding screw rods 12 to rotate through the edge angle occlusion of the square holes, the right ends of the two square rods 13 are extended to the right side of the moving block 9 on the right side and fixedly connected with the gears 14, the two gears 14 are meshed, and the left end of an output shaft of the driving motor 15 is fixedly connected with the right side of the gear 14 below.

Working principle: when the device is used, the whole device is moved to a position where the building template needs to be supported, firstly, the height position of the first supporting plate 6 is adjusted according to the supporting height, during adjustment, the two first hydraulic cylinders 100 and the two second hydraulic cylinders 1 are started positively, the output shafts of the first hydraulic cylinders 100 and the second hydraulic cylinders 1 drive the U-shaped supporting seat 103 to move upwards at the same time, the U-shaped supporting seat 103 drives the first supporting plate 6 to move upwards through the rotating shaft, the round roller 18 and the rotating block 2 in sequence, so that the supporting height of the first supporting plate 6 is changed, when the first supporting plate 6 moves upwards to the needed height, the first hydraulic cylinders 100 are stopped, the second hydraulic cylinders 1 are continuously driven, under the reactive force of extrusion, the two first supporting seats 101 on the right side are enabled to move rightwards, so that the supporting area of the bottom is increased, and when the two first supporting seats 101 on the right side are adjusted to the needed positions according to the use requirement, the second hydraulic cylinders 1 are stopped, and the whole device can be fixed through a plurality of T-shaped anchor rods 102;

Before supporting, when the supporting area is adjusted according to the size of the building template, the wireless remote control switch 16 is controlled by an external remote controller to forward start the driving motor 15, the output shaft of the driving motor 15 drives the lower gear 14 to rotate, the lower gear 14 drives the upper gear 14 meshed with the lower gear 14 to rotate, the two gears 14 rotate in opposite directions, the gears 14 drive the corresponding square rods 13 to rotate, the square rods 13 drive the screw rods 12 to rotate through corresponding square hole meshing, under the action of the threaded holes formed on the rectangular rods 11, the two screw rods 12 rotate to drive the two rectangular rods 11 to move in opposite directions, the rectangular rod 11 drives the corresponding moving blocks 9 to move, the moving blocks 9 on the right side drive the two square rods 13 to slide rightwards in the corresponding square holes respectively, the two moving blocks 9 drive the second supporting plate 7 and the third supporting plate 8 to move transversely, so that the supporting area is increased, when the supporting area is adjusted according to use requirements, the driving motor 15 is stopped, the moving blocks 9 are fixed under the locking force of the screw holes and the corresponding screw rods 12, so that the positions of the second supporting plate 7 and the third supporting plate 8 are fixed, and the supporting area is adjustable, so that the rectangular rod is suitable for supporting building modules with different sizes, and the use flexibility is improved;

When supporting, when adjusting the inclination of first backup pad 6 according to the support needs, control wireless synchronous control switch forward through outside remote controller and start two multistage electric telescopic handle 3, the output shaft of multistage electric telescopic handle 3 extrudees rotor 2, make rotor 2 rotate left, rotor 2 drives first backup pad 6 and rotate, make the inclination of first backup pad 6 change, when first backup pad 6 and building templates contact, stop two multistage electric telescopic handle 3, under the self-locking force of multistage electric telescopic handle 3, make first backup pad 6 be fixed, first backup pad 6 supports building templates this moment, through the inclination automatically regulated to first backup pad 6 and the automatic fixed mode, improve regulation convenience and degree of automation, the personnel operation is convenient.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a building templates strutting arrangement, includes four first supporting seats (101) that are the rectangle distribution, the top of two first supporting seats (101) of left side is all fixedly connected with first pneumatic cylinder (100), and the output shaft top fixedly connected with same U-shaped supporting seat (103) of two first pneumatic cylinders (100), a serial communication port, rotate between the front side inner wall and the rear side inner wall of U-shaped supporting seat (103) and install same rotary mechanism, the top fixedly connected with first backup pad (6) of rotary mechanism, the right side bottom fixedly connected with first supporting shoe (5) of U-shaped supporting seat (103), rotate between the top of first supporting shoe (5) and rotary mechanism's the right side and install two multistage electric telescopic handle (3), the output shaft top of second pneumatic cylinder (1) and the bottom rotation installation of U-shaped supporting seat (103), the both sides of first backup pad (6) all movable contact has movable block (9), the top (7) of first backup pad (6) are inlayed and are equipped with first backup pad (7) and the top (8) of second backup pad (7) are inlayed to movable backup pad (8), the right side of second backup pad (7) and the left side of third backup pad (8) are respectively with one side fixed connection that two movable blocks (9) are close to each other, screw drive mechanism is all installed to one side that two movable blocks (9) are close to each other, the right side of two screw drive mechanisms all extends to the movable block (9) right side on right side, the movable block (9) bottom fixedly connected with L shape backup pad (17) on right side, the top fixedly connected with driving motor (15) of L shape backup pad (17), the output shaft left end and the right side fixed connection of screw drive mechanism of driving motor (15).

2. The building formwork support device according to claim 1, wherein the rotating mechanism comprises a rotating shaft rotatably mounted between the front side inner wall and the rear side inner wall of the U-shaped support seat (103), a round roller (18) is fixedly sleeved on the rotating shaft, a rotating block (2) is fixedly connected to the top of the round roller (18), the top of the rotating block (2) is fixedly connected with the bottom of the first support plate (6), the top ends of the output shafts of the two multi-stage electric telescopic rods (3) are rotatably mounted on the right side of the rotating block (2), an avoidance hole (4) with an opening is formed in the bottom inner wall of the U-shaped support seat (103), and the avoidance hole (4) is matched with the rotating block (2).

3. The building template supporting device according to claim 2, wherein the screw driving mechanism comprises a rectangular rod (11), two rectangular holes (10) are formed in the right side of the first supporting plate (6), the rectangular rod (11) is slidably sleeved in the corresponding rectangular holes (10), one sides, close to each other, of the two moving blocks (9) are fixedly connected with the corresponding rectangular rod (11), a screw rod (12) is rotatably mounted between the inner wall of the top of the rectangular hole (10) and the inner wall of the bottom of the rectangular hole, the rectangular rod (11) is threadedly sleeved on the corresponding screw rod (12), two square rods (13) are rotatably mounted on the left side of the moving block (9) on the right side, the square rods (13) are located in the corresponding rectangular holes (10), the screw rod (12) is slidably sleeved on the corresponding square rods (13), the right ends of the two square rods (13) are all extended to the right sides of the moving blocks (9) on the right side and fixedly connected with gears (14), the two gears (14) are meshed, and the left ends of the driving motor (15) are fixedly connected with the gears (14) on the right side.

4. The building formwork support device according to claim 1, wherein a wireless synchronous control switch is fixedly connected to the front side of the multistage electric telescopic rods (3) located on the front side, the wireless synchronous control switch is electrically connected with the two multistage electric telescopic rods (3), a wireless remote control switch (16) is fixedly and electrically connected to the front side of the driving motor (15), and the wireless remote control switch (16) and the wireless synchronous control switch are matched and provided with the same external remote controller.

5. The building formwork support device according to claim 1, wherein the front side and the rear side of the first support seat (101) are fixedly connected with fixing plates, two bolt holes are formed in the tops of the fixing plates, and T-shaped anchor rods (102) are sleeved in the bolt holes in a threaded mode.

6. The building formwork support device according to claim 1, wherein a first groove with an opening on the right side is formed in the top of the first support plate (6), the inner wall of the first groove is movably contacted with the outer side of the second support plate (7), a second groove with an opening on the left side is formed in the top of the second support plate (7), the inner wall of the second groove is movably contacted with the outer side of the third support plate (8), a through hole with an opening on the top is formed in the left side inner wall of the first groove, and the third support plate (8) is located in the through hole and movably contacted with the inner wall of the through hole.

7. A building formwork support device according to claim 3, wherein the right end of the screw (12) is provided with a square hole, and the inner wall of the square hole is slidably sleeved with the outer side of the corresponding square rod (13).