An overall jacking-up structure and construction method for a long-span inclined heavy-load steel structure grid

Abstract

The present invention discloses an integral jacking structure and construction method for a long-span inclined heavy-load steel structure grid, including a support bottom plate and an electric telescopic pump. A support column is installed on the upper surface of the transverse frame, and an upper support plate is installed on the support column. A threaded rod is rotatably installed in the transverse frame, a driven gear is installed in the middle of the threaded rod, and a driving assembly is provided on one side of the driven gear. The two ends of the threaded rod are threadedly installed with telescopic plates, and the telescopic plates are slidably installed on the transverse frame. The beneficial effects are as follows: The present invention is provided with a support bottom plate and an electric telescopic pump, and a transverse frame and an upper support plate are arranged above the electric telescopic pump, and telescopic plates are arranged on the transverse frame, so that it is convenient to adjust the position of the telescopic plates by rotating the threaded rod, and cooperate with the upper support plate to support steel structure frames of different shapes and sizes. At the same time, by starting the electric telescopic pump, the jacking of the steel structure connection is realized.

Description

Technical Field

[0001] The present invention relates to the field of building construction, and specifically to an integral jacking structure and construction method for a large-span inclined heavy-load steel structure grid. Background Technique

[0002] With the rapid development of social economy and technology, people's requirements for the individuality and recognition of building shapes are increasing day by day. Novel shapes and complex structures emerge in an endless stream. To meet the multi-functional use effects of various public buildings, large spaces, large spans, and ultra-high structures are highly sought after. Among them, the large-span inclined steel structure grid with novel structure has gradually become the mainstream. Using the conventional high-altitude assembly of the grid main body, there are potential safety hazards in high-altitude welding operations, the assembly difficulty is relatively large, and the construction efficiency is low.

[0003] At present, during the construction of steel structures, lifting and supporting are rather troublesome, and large hoisting equipment needs to be used, which is very inconvenient, resulting in the project progress being restricted and affecting the construction efficiency. Summary of the Invention

[0004] The purpose of the present invention is to provide an integral jacking structure and construction method for a large-span inclined heavy-load steel structure grid to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solution: An integral jacking structure for a large-span inclined heavy-load steel structure grid, including a support bottom plate and electric telescopic pumps. The electric telescopic pumps are evenly and equidistantly installed on the support bottom plate. A transverse frame is installed at the upper end of the electric telescopic pumps. A support column is installed on the upper surface of the transverse frame. An upper support plate is installed on the support column. A threaded rod is rotatably installed in the transverse frame. A driven gear is installed in the middle of the threaded rod. And a driving component is provided on one side of the driven gear. The two ends of the threaded rod are threadedly installed with telescopic plates, and the telescopic plates are slidably installed on the transverse frame.

[0006] Preferably, the upper support plate has a "C"-shaped plate structure, and an arc groove is opened in the middle of the upper support plate.

[0007] Preferably, a rectangular groove is opened at the end of the telescopic plate, and a resisting block is rotatably installed through a cylindrical shaft. An arc groove is opened on the surface of the resisting block.

[0008] Preferably, a threaded bolt is installed on the upper surface of the resisting block. There are two groups of threaded bolts, and they are symmetric about the resisting block. The threaded bolts pass through the arc groove. The arc groove is opened at the end of the telescopic plate, and the center of the arc groove and the center of the cylindrical shaft are on the same axis. A nut is threadedly installed at the end of the threaded bolt.

[0009] Preferably, roller grooves are formed on the upper and lower surfaces of the telescopic plate. Rollers are rotatably installed in the roller grooves. A plurality of groups of rollers are provided, which are arranged in a straight line at equal intervals in an array, and the rolling surfaces of the rollers are in contact with the inner wall of the telescopic plate.

[0010] Preferably, the driving assembly includes a driving gear rack, a driving gear and a rotating shaft. The driving gear rack is in a U-shaped plate structure and is installed in the middle of the side wall of the transverse frame by screws. A rotating shaft is rotatably installed on the driving gear rack. A handle rod is installed at the end of the rotating shaft. A driving gear is installed on the rotating shaft. The driving gear is placed in the driving gear rack, and the driving gear meshes with the driven gear in the middle of the threaded rod.

[0011] Preferably, an anti-rotation assembly is provided below the driving gear rack. The anti-rotation assembly includes an inclined plate rack, a rectangular block, a locking block, a pull rod and a jacking spring. The inclined plate rack is installed on the bottom surface of the end of the driving gear rack by screws. A rectangular block is installed at the lower part of the inclined plate rack. A locking block is installed on the rectangular block in a plug-in manner. The upper part of the locking block is in a trapezoidal structure. A pull rod is installed on the bottom surface of the locking block. The pull rod passes through the lower part of the rectangular block, and a jacking spring is sleeved on the pull rod.

[0012] Preferably, a roller rack is installed on the support bottom plate in a plug-in manner. A plurality of groups of roller racks are provided, which are arranged at equal intervals in an array. The roller rack is in a "U"-shaped plate structure. Rollers are rotatably installed at the bottom of both ends of the roller rack, and a lifting control assembly is provided in the middle of the roller rack.

[0013] Preferably, the lifting control assembly includes a cylindrical barrel, a threaded column and a threaded ring. The cylindrical barrel is installed in the middle of the roller rack. A threaded ring is rotatably installed at the upper end of the cylindrical barrel. A threaded column is installed in the threaded ring in a threaded manner, and the threaded column passes through the cylindrical barrel and is vertically installed on the upper surface of the support bottom plate.

[0014] Construction method:

[0015] Through the lifting control assembly, the rollers are brought into contact with the ground and the support bottom plate is moved;

[0016] After the support bottom plate is moved, through the lifting control assembly again, the rollers are retracted and the support bottom plate is in contact with the ground;

[0017] According to the size of the steel structure frame, the position of the telescopic plate is adjusted;

[0018] The steel structure frame is placed on the upper support plate, and the telescopic plate fixes it;

[0019] The electric telescopic pump is started, and the steel structure frame is lifted to a specified height.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] The present invention is provided with a support base plate and an electric telescopic pump, and a transverse frame and an upper support plate are arranged above the electric telescopic pump, and a telescopic plate is arranged on the transverse frame, so that the position of the telescopic plate can be adjusted by rotating the threaded rod, and the upper support plate is used to support steel structure frames of different shapes and sizes. At the same time, by starting the electric telescopic pump, the jacking of the steel structure connection is realized. At the same time, a roller frame is arranged on the support base plate, which is convenient for controlling the rollers to touch the ground and increases the mobility. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic view of the first perspective of the structure of the present invention;

[0023] Figure 2 is a schematic view of a partial structure of the present invention;

[0024] Figure 3 is a schematic view of the dissection of a rectangular block of the present invention;

[0025] Figure 4 is a schematic view of the telescopic plate;

[0026] Figure 5 is a schematic view of the roller frame.

[0027] In the figure: support base plate 1, electric telescopic pump 2, transverse frame 3, support column 4, upper support plate 5, threaded rod 6, telescopic plate 7, drive gear frame 8, drive gear 9, rotating shaft 10, inclined plate frame 11, rectangular block 12, locking block 13, lower pull rod 14, jacking spring 15, roller groove 16, roller 17, rectangular groove 18, cylindrical shaft 19, resisting block 20, arc groove 21, threaded bolt 22, nut 23, roller frame 24, roller 25, cylindrical barrel 26, threaded column 27, threaded ring 28. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below. For the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to Figures 1 to 5, the present invention provides a technical solution: a large-span inclined heavy-load steel structure grid integrated jacking structure, including a support bottom plate 1 and an electric telescopic pump 2. The electric telescopic pumps 2 are evenly and equidistantly installed on the support bottom plate 1. A transverse frame 3 is installed at the upper end of the electric telescopic pump 2. A support column 4 is installed on the upper surface of the transverse frame 3. An upper support plate 5 is installed on the support column 4. The upper support plate 5 is in a "C"-shaped plate structure, and an arc groove is provided in the middle of the upper support plate 5, which is convenient for the upper support plate 5 to support cylindrical and other shaped steel structure frames. A threaded rod 6 is rotatably installed in the transverse frame 3. A driven gear is installed in the middle of the threaded rod 6, and a driving component is provided on one side of the driven gear. The two ends of the threaded rod 6 are threadedly installed with telescopic plates 7, and the telescopic plates 7 are slidably installed on the transverse frame 3. A rectangular groove 18 is provided at the end of the telescopic plate 7, and a resisting block 20 is rotatably installed through a cylindrical shaft 19. An arc groove is provided on the surface of the resisting block 20, which is convenient for fitting with the cylindrical rod body of the steel structure to increase the support area. A threaded bolt 22 is installed on the upper surface of the resisting block 20. There are two groups of threaded bolts 22, which are symmetric about the resisting block 20. The threaded bolt 22 passes through the arc groove 21. The arc groove 21 is provided at the end of the telescopic plate 7, and the center of the arc groove 21 and the center of the cylindrical shaft 19 are on the same axis, which is convenient for the rotation of the resisting block 20. A nut 23 is threadedly installed at the end of the threaded bolt 22, which is convenient for adjusting the inclination angle of the resisting block 20 to meet the rod bodies at different angles on the steel structure. Roller grooves 16 are provided on the upper and lower surfaces of the telescopic plate 7. A plurality of rollers 17 are rotatably installed in the roller grooves 16. The rollers 17 are arranged in a straight line, evenly and equidistantly, and the rolling surface of the roller 17 contacts the inner wall of the telescopic plate 7, so that the friction between the telescopic plate 7 and the transverse frame 3 can be reduced through the rollers 17, and the smoothness of the movement of the telescopic plate 7 can be increased.

[0030] The driving component includes a driving gear rack 8, a driving gear 9 and a rotating shaft 10. The driving gear rack 8 is in a "U"-shaped plate structure and is installed in the middle of the side wall of the transverse frame 3 through screws. A rotating shaft 10 is rotatably installed on the driving gear rack 8. A handle rod is installed at the end of the rotating shaft 10. A driving gear 9 is installed on the rotating shaft 10. The driving gear 9 is placed in the driving gear rack 8, and the driving gear 9 meshes with the driven gear in the middle of the threaded rod 6. In actual operation, it is convenient to drive the driven gear and the threaded rod 6 to rotate through the rotation of the rotating shaft 10, so as to control the position of the telescopic plate 7 to be adjusted to meet the support requirements of steel structure frames of different sizes for a hundred years.

[0031] A rotation prevention assembly is provided below the driving gear rack 8. The rotation prevention assembly includes an inclined plate rack 11, a rectangular block 12, a locking block 13, a lower pull rod 14, and a jacking spring 15. The inclined plate rack 11 is installed on the bottom surface of the end of the driving gear rack 8 by screws. A rectangular block 12 is installed at the lower part of the inclined plate rack 11. A locking block 13 is installed on the rectangular block 12 in a plug-in manner. The upper part of the locking block 13 is in a trapezoidal structure. A lower pull rod 14 is installed on the bottom surface of the locking block 13. The lower pull rod 14 passes through the lower part of the rectangular block 12, and a jacking spring 15 is sleeved on the lower pull rod 14. In actual operation, when the driving gear 9 does not need to rotate, the locking block 13 is stuck between the teeth of the driving gear 9 under the action of the jacking spring 15 to ensure the stability of the driving gear 9. When the driving gear 9 needs to rotate to adjust the position of the telescopic plate 7, the lower pull rod 14 can be pulled down, and the driving gear 9 can be rotated through the rotating shaft 10.

[0032] A roller rack 24 is installed on the support base plate 1 in a plug-in manner. There are multiple groups of roller racks 24, which are evenly arranged at equal intervals in an array. The roller rack 24 is in a "U"-shaped plate structure. Rollers 25 are rotatably installed at the bottom of both ends of the roller rack 24, and a lifting control assembly is provided in the middle of the roller rack 24. The lifting control assembly includes a cylindrical barrel 26, a threaded column 27, and a threaded ring 28. The cylindrical barrel 26 is installed in the middle of the roller rack 24. A threaded ring 28 is rotatably installed at the upper end of the cylindrical barrel 26. The threaded ring 28 is internally threaded with a threaded column 27, and the threaded column 27 passes through the cylindrical barrel 26 and is vertically installed on the upper surface of the support base plate 1. In practice, by rotating the threaded ring 28, it is convenient to control the lifting of the roller rack 24, so that when the support base plate 1 needs to move, the rollers 25 contact the ground, and when the support base plate 1 does not move, the rollers 25 are retracted.

[0033] Construction method:

[0034] Through the lifting control assembly, the rollers 25 are made to contact the ground and the support base plate 1 is moved;

[0035] After the support base plate 1 is moved, the rollers 25 are retracted again through the lifting control assembly, and the support base plate 1 contacts the ground;

[0036] According to the size of the steel structure frame, adjust the position of the telescopic plate 7;

[0037] Place the steel structure frame on the upper support plate 5, and the telescopic plate 7 fixes it;

[0038] Start the electric telescopic pump 2 to lift the steel structure frame to the specified height.

[0039] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art will appreciate that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integral jacking structure for a large-span inclined heavy-load steel structure grid, comprising a support bottom plate (1) and an electric telescopic pump (2); Characterized in that: The electric telescopic pumps (2) are evenly and equidistantly installed on the support bottom plate (1); The upper end of the electric telescopic pump (2) is provided with a transverse frame (3), the upper surface of the transverse frame (3) is provided with a support column (4), and the support column (4) is provided with an upper support plate (5); A threaded rod (6) is rotatably installed in the transverse frame (3), a driven gear is installed in the middle of the threaded rod (6), and a driving assembly is arranged on one side of the driven gear; the driving assembly includes a driving gear frame (8), a driving gear (9) and a rotating shaft (10), the driving gear frame (8) is in a U-shaped plate structure and is installed in the middle of the side wall of the transverse frame (3) by screws, a rotating shaft (10) is rotatably installed on the driving gear frame (8), a handle rod is installed at the end of the rotating shaft (10), a driving gear (9) is installed on the rotating shaft (10), the driving gear (9) is placed in the driving gear frame (8), and the driving gear (9) meshes with the driven gear in the middle of the threaded rod (6); an anti-rotation assembly is arranged under the driving gear frame (8), and the anti-rotation assembly includes an inclined plate frame (11), a rectangular block (12), a locking block (13), a lower pull rod (14) and a jacking spring (15), the inclined plate frame (11) is installed on the bottom surface of the end of the driving gear frame (8) by screws, a rectangular block (12) is installed at the lower part of the inclined plate frame (11), a locking block (13) is pluggably installed on the rectangular block (12), the upper part of the locking block (13) is in a trapezoidal structure, a lower pull rod (14) is installed on the bottom surface of the locking block (13), the lower pull rod (14) passes through the lower part of the rectangular block (12), and a jacking spring (15) is sleeved on the lower pull rod (14); Both ends of the threaded rod (6) are threadedly installed with telescopic plates (7), and the telescopic plates (7) are slidably installed on the transverse frame (3).

2. An integral jacking structure for a large-span inclined heavy-load steel structure grid according to claim 1, Characterized in that: The upper support plate (5) is in a "C"-shaped plate structure, and an arc groove is opened in the middle of the upper support plate (5).

3. An integral jacking structure for a large-span inclined heavy-load steel structure grid according to claim 1, Characterized in that: A rectangular groove (18) is opened at the end of the telescopic plate (7), and a resisting block (20) is rotatably installed through a cylindrical shaft (19), and an arc groove is opened on the surface of the resisting block (20).

4. An integral jacking structure for a large-span inclined heavy-load steel structure grid according to claim 3, Characterized in that: A threaded bolt (22) is installed on the upper surface of the resisting block (20), there are two groups of threaded bolts (22) and they are symmetric about the resisting block (20), the threaded bolt (22) passes through the arc groove (21), the arc groove (21) is opened at the end of the telescopic plate (7), and the center of the arc groove (21) and the center of the cylindrical shaft (19) are on the same axis, and a nut (23) is threadedly installed at the end of the threaded bolt (22).

5. An integral jacking structure for a large-span inclined heavy-load steel structure grid according to claim 1, Characterized in that: The upper and lower surfaces of the telescopic plate (7) are provided with roller grooves (16), and rollers (17) are rotatably installed in the roller grooves (16). A plurality of groups of rollers (17) are arranged in a straight line at equal intervals, and the rolling surfaces of the rollers (17) are in contact with the inner wall of the telescopic plate (7).

6. A large-span inclined heavy-load steel structure grid integral jacking structure according to claim 1, characterized in that: A roller frame (24) is pluggably installed on the support bottom plate (1). A plurality of groups of roller frames (24) are arranged at equal intervals. The roller frame (24) is in a "U"-shaped plate structure. Rollers (25) are rotatably installed at the bottoms of both ends of the roller frame (24), and a lifting control component is arranged in the middle of the roller frame (24).

7. A large-span inclined heavy-load steel structure grid integral jacking structure according to claim 6, characterized in that: The lifting control component includes a cylindrical barrel (26), a threaded column (27) and a threaded ring (28). The cylindrical barrel (26) is installed in the middle of the roller frame (24). A threaded ring (28) is rotatably installed at the upper end of the cylindrical barrel (26). A threaded column (27) is installed with internal threads in the threaded ring (28), and the threaded column (27) passes through the cylindrical barrel (26) and is vertically installed on the upper surface of the support bottom plate (1).

8. A construction method of a large-span inclined heavy-load steel structure grid integral jacking structure according to any one of claims 1-7, characterized in that: This construction method is as follows: Through the lifting control component, the rollers (25) are made to contact the ground and the support bottom plate (1) is moved; After the support bottom plate (1) is moved, the rollers (25) are made to be retracted again through the lifting control component, and the support bottom plate (1) contacts the ground; According to the size of the steel structure frame, the position of the telescopic plate (7) is adjusted; The steel structure frame is placed on the upper support plate (5), and the telescopic plate (7) fixes it; The electric telescopic pump (2) is started, so that the steel structure frame is lifted to a specified height.

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