Multi-point dynamic double-control combined device for deformation of large open-web truss structure

Abstract

The invention belongs to the technical field of building construction, particularly relates to a large open-web truss structure deformation multi-point dynamic double-control combined device, and aims to solve the problems that an existing sand box device automatically unloads sand through stress on the upper portion of a sand box, uniform sand unloading cannot be achieved due to the fact that a plurality of sand and stone unloading holes are formed, meanwhile, the sand and stone unloading holes are prone to being blocked, and the sand and stone unloading efficiency is poor. According to the scheme, the sand box comprises a sand box bottom plate, a sand box outer cylinder is fixedly connected to the upper portion of the sand box bottom plate, a sand box waist supporting plate is fixedly connected to the exterior of the sand box outer cylinder, and a sand box inner cylinder is slidably connected to the interior of the sand box outer cylinder. The multi-point dynamic double-control combined device for deformation of the large open-web truss structure has the effects that sand in the outer cylinder of the sand box is uniformly unloaded, meanwhile, the sand outlet pipeline is prevented from being blocked when the sand is unloaded, and the situation that the sand box cannot realize displacement regulation and control of an upper structure is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device. Background Art

[0002] The hollow truss structure refers to a structural system composed of beams and columns, which eliminates the need for walls, greatly reducing the deadweight of the structure while ensuring structural stability. Multi-point dynamic dual control of deformation: This structure is a cast-in-place concrete structure. Due to its large span and heavy deadweight load, it is very easy to deform before its overall formation is stable, endangering safety. Therefore, a temporary support is set at the bottom of the hollow truss, and a sand box and double jacks are set on the top of the eight support columns. The purpose is to use the sand box and jack to slowly separate the temporary support from the upper structure after the overall truss structure is formed.

[0003] A sand box refers to a steel barrel device whose internal walls are filled with homogeneous sand. It is concave and convex in shape and has sand unloading holes all around. After being fully compacted, it can stably support the upper structure. In the later stage, the amount of sand unloaded is used to control the downward displacement of the sand box to achieve displacement regulation of the upper structure. The existing sand box device automatically unloads sand through the force applied on the top of the sand box. Since there are multiple sand and gravel unloading holes, uniform sand unloading cannot be achieved. At the same time, the sand and gravel unloading holes are prone to blockage, which makes it impossible for the sand box to achieve displacement regulation of the upper structure. Summary of the invention

[0004] The present invention discloses a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device, which aims to solve the technical problem that the existing dual-control device in the background technology slowly unloads force through double-sided jacks until the upper structure is stressed and the top of the sand box, and the sand box device automatically unloads sand through the force above the sand box, and since there are multiple sand and gravel unloading holes, uniform sand unloading cannot be achieved, and the sand and gravel unloading holes are easily blocked, thereby causing the sand box to be unable to achieve displacement regulation of the upper structure.

[0005] The cam-shaped tire pressure gauge as claimed in claim 1, wherein the two rails have the shape of a pin, and the pin is connected along the longitudinal direction of the lift to the top of the lift, wherein the pin is connected along the longitudinal direction of the lift to the bottom of the lift. The pin is connected along the longitudinal direction of the lift to the top of the lift and the bottom of the lift is engaged with the crankshaft and the crankshaft respectively. The support rails are connected along the longitudinal direction of the lift to the top of the lift.

[0006] By setting up the sand box inner tube, sand box outer tube and jack body, firstly, all the sand box inner tubes are synchronously controlled to be precisely lowered, and then the double-sided jack bodies at eight points are synchronously controlled to slowly unload the force until the upper structure is again subjected to force above the top bearing plate on the sand box inner tube, and the upper load on the jack body is reduced to 0kN; then all the sand box inner tubes are synchronously controlled to be precisely lowered first; then the double-sided jack bodies at eight points are synchronously controlled to slowly unload the force until the upper structure is again subjected to force above the top bearing plate of the sand box inner tube, and the upper load on the jack body is reduced to 0kN; repeat many times until the upper structure is completely separated from the top bearing plates of all sand boxes, and the separation gap is visible to the naked eye, finally realizing the overall unloading of the large hollow truss.

[0007] In a preferred solution, the interiors of the plurality of guide rails are slidably connected with a screw nut sliding seat, both sides of the plurality of guide rails are provided with a circular hole, and the interiors of the two opposite circular holes are connected with the same screw through a bearing, one side of the plurality of guide rails is connected with a support seat through bolts, one side of the plurality of support seats is fixedly connected with a screw motor, the driving end of the screw motor is connected to one end of the screw through a coupling, the sides of the plurality of screw nut sliding seats facing the sand box bottom plate are connected with a tooling support frame through bolts, one side of the plurality of tooling support frames is provided with an installation opening, the interiors of the plurality of installation openings are fixedly connected with an electric driving rod, the outside of the outer cylinder of the sand box is provided with sand outlets at equal distances, and the interiors of the plurality of sand outlets are fixedly connected with sand outlet pipes.

[0008] In a preferred scheme, the driving ends of the multiple electric drive rods are fixedly connected to the sand unloading tooling frame, and the two sides of the multiple sand unloading tooling frames are fixedly connected with telescopic springs at equal distances, one side of the multiple telescopic springs located on the same sand unloading tooling frame is fixedly connected to the same ventilation plate, the inner sides of the multiple sand unloading tooling frames are connected to two mounting blocks by bolts, the sides of the multiple mounting blocks are provided with two circular holes, the two circular holes located in the same sand unloading tooling frame are connected to the same linkage screw through bearings, the inner sides of the multiple sand unloading tooling frames are fixedly connected to the driving motor, the driving end of the driving motor is connected to one end of the linkage screw through a coupling, and the other ends of the multiple linkage screws are fixedly connected to a linkage clamping column.

[0009] In a preferred solution, one side of the interior of the plurality of sand unloading tooling frames is connected to a limiting block by bolts, and the sides of the plurality of limiting blocks are provided with smooth openings, the interiors of the plurality of smooth openings are slidably connected to sliding circular tubes, the interiors of the plurality of sliding circular tubes are connected to rotating clamping tubes by bearings, the exteriors of the plurality of rotating clamping tubes are fixedly connected to sand unloading studs, and the linkage clamping studs slide inside the rotating clamping tubes.

[0010] In a preferred solution, the exteriors of the multiple sliding circular tubes are fixedly connected to mounting frames, and the exteriors of the multiple mounting frames are connected to U-shaped push-pull rods by bolts, slideways are provided on both sides of the multiple U-shaped push-pull rods, the interiors of the multiple sand unloading tooling frames are connected to limiting tracks by bolts on one side, the interiors of the multiple limiting tracks are slidably connected to reciprocating slides, the side of the reciprocating slide facing the sand box bottom plate is fixedly connected to one side of the U-shaped push-pull rod, and the interiors of the multiple sand unloading tooling frames are connected to the tooling frames by bolts on one side.

[0011] In a preferred solution, circular holes three are provided on both sides of the multiple tooling frames, and the interiors of two opposite circular holes three are connected to the same rotating cylinder through bearings, the exteriors of the multiple rotating cylinders are fixedly connected to gear plates, the gear plates are meshed with the linkage screws, the exteriors of the multiple rotating cylinders are fixedly connected to two convex plates, circular holes four are provided on the sides of the multiple convex plates, the interiors of the multiple circular holes four are connected to rotating shafts through bearings, the exteriors of the multiple rotating shafts are movably connected to push-pull support rods, the sides of the multiple push-pull support rods are provided with circular holes five, the interiors of the multiple circular holes five are movably connected to rollers, and the rollers are slidably connected to the interior of the slideway.

[0012] By providing an anti-blocking sand unloading module, when unloading sand and gravel, first start the electric driving rod to drive the sand unloading stud on the sand unloading tooling frame to move to one side of the sand outlet pipe, and then start the screw motor, and drive the screw to drive the screw nut sliding seat through the screw motor, so that the sand unloading stud on the sand unloading tooling frame on the screw nut sliding seat moves to the inside of the sand outlet pipe, and then through the intermittent start of the driving motor, the driving motor drives the linkage clamping column on one side of the linkage screw to rotate, and the linkage clamping column drives the rotating clamping tube to rotate inside the sliding circular tube, so that the sand unloading stud is aligned with the sand. The sand and gravel inside the outer tube of the box are accurately unloaded intermittently. The gear plate rotates while the linkage screw rotates. The convex plate is driven to rotate in a circle by the rotating cylinder, so that the roller on the push-pull support rod drives the U-shaped push-pull rod, and the sliding circular tube drives the sand unloading stud to reciprocate horizontally inside the sand outlet pipe to avoid blockage of the sand outlet pipe when unloading sand and gravel. Through the anti-blocking sand unloading module, the sand and gravel inside the outer tube of the sand box can be evenly unloaded, and the blockage of the sand outlet pipe during unloading of sand and gravel can be avoided, reducing the occurrence of the sand box being unable to achieve upper structure displacement regulation.

[0013] In a preferred solution, an opening and closing module is arranged above the sand box bottom plate, and the opening and closing module includes multiple support plates, one side of each of the multiple support plates is fixedly connected with a tooling circular frame, one side of each of the multiple tooling circular frames is provided with a circular sliding opening, and the interiors of each of the multiple circular sliding openings are movably connected with a linked circular tooth plate.

[0014] In a preferred solution, six circular holes are evenly spaced apart on the sides of the plurality of tooling circular frames, and linkage circular rods are connected inside the plurality of circular holes through bearings, and adjusting gears are fixedly connected outside the plurality of linkage circular rods, and the adjusting gears are meshed with linkage circular tooth plates, and L mounting seats are connected to the sides of the plurality of tooling circular frames through bolts, and universal motors are fixedly connected to the sides of the plurality of L mounting seats, and the driving end of the universal motor is connected to one end of one of the linkage circular rods through a coupling, and notches are evenly spaced apart on the sides of the plurality of tooling circular frames, and linkage gear rods are slidably connected inside the plurality of notches, and the linkage gear rods are meshed with adjusting gears, and opening and closing sand unloading plates are fixedly connected to the sides of the plurality of linkage gear rods, and one side of the opening and closing sand unloading plates is against the sand outlet of the sand outlet pipe.

[0015] By providing an opening and closing module, when unloading sand and gravel, the universal motor is started, and the corresponding linkage round rod is driven to rotate by the universal motor, so that the adjusting gear on the linkage round rod drives the linkage round tooth plate to make the remaining multiple adjusting gears rotate at the same time, and the corresponding meshing linkage gear rods are driven to slide inside the groove by the multiple adjusting gears, and the multiple linkage gear rods drive the opening and closing sand unloading plates to move, so that the sand outlet pipe is opened, avoiding manual blocking of the sand outlet pipe, and improving the convenience of using the sand box.

[0016] In a preferred solution, a limiting module is arranged on the upper side of the sand box bottom plate, and the limiting module comprises a plurality of tooling bolt plates, one side of each of the plurality of tooling bolt plates is fixedly connected to a limiting circular tube, the interiors of the plurality of limiting circular tubes are connected to extrusion springs in a circular shape, and one side of each of the plurality of extrusion springs located on the same side is fixedly connected to the same U-shaped support frame.

[0017] In a preferred embodiment, circular holes seven are equidistantly provided on both sides of the plurality of U-shaped abutment frames, and the interiors of two opposite circular holes seven are connected to the same arc roller via bearings, and a guide cylinder is fixedly connected to the side of the top bearing plate facing the bottom plate of the sand box at an equal distance, and the guide cylinder slides inside the limiting circular tube, and the outside of the guide cylinder abuts against the outside of the arc roller.

[0018] By setting a limited position module, when the top bearing plate is subjected to force, it drives the inner tube of the sand box to move downward inside the outer tube of the sand box. During the downward movement of the inner tube of the sand box, multiple guide cylinders on the top bearing plate slide inside the limited circular tube, and at the same time, the arc roller follows the rotation on the U-shaped support frame to limit the downward movement trajectory of the inner tube of the sand box. When the guide cylinder slides in the limited circular tube, the elasticity of the extrusion spring makes the multiple arc rollers on the U-shaped support frame resist the outside of the guide cylinder. The contact area between the arc roller and the outside of the guide cylinder is small, which reduces the friction on the guide cylinder and increases its service life.

[0019] From the above, it can be seen that the large-scale hollow truss structure deformation multi-point dynamic dual-control combination device provided by the present invention has the beneficial effect of realizing uniform unloading of sand and gravel inside the outer tube of the sand box, while avoiding blockage of the sand outlet pipe when unloading sand and gravel, and reducing the occurrence of the sand box being unable to realize the displacement regulation of the upper structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic cross-sectional structure diagram of a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device proposed by the present invention;

[0021] Figure 2 This is a general diagram of a large-scale hollow truss structure deformation multi-point dynamic dual-control combined device proposed by the present invention;

[0022] Figure 3 A schematic diagram of a sand box structure of a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device proposed by the present invention;

[0023] Figure 4 A schematic diagram of the side view of the sand box structure of a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device proposed by the present invention;

[0024] Figure 5 A schematic diagram of the upward-looking structure of a sand box of a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device proposed by the present invention;

[0025] Figure 6 This is a schematic diagram of the anti-blocking and sand-unloading module structure of a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device proposed by the present invention;

[0026] Figure 7 This is a partial structural schematic diagram of an anti-blocking and sand-unloading module of a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device proposed by the present invention;

[0027] Figure 8 A schematic diagram of the internal structure of a sand unloading tool frame of a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device proposed by the present invention;

[0028] Fig. 9 A schematic diagram of the sand unloading stud structure of a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device proposed by the present invention;

[0029] Fig.10 A schematic diagram of the opening and closing module structure of a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device proposed by the present invention;

[0030] Fig.11 This is a schematic diagram of the structure of the opening and closing module of a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device proposed by the present invention;

[0031] Fig.12 This is a schematic diagram of the limit module structure of a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device proposed by the present invention.

[0032] In the figure: 1. Sand box bottom plate; 2. Sand box outer tube; 3. Sand box waist support plate; 4. Sand box inner tube; 5. Top bearing plate; 6. Sand box displacement control laser instrument; 7. Sand outlet pipe; 8. Anti-blocking sand unloading module; 801. Guide rail; 802. Screw rod; 803. Screw nut sliding seat; 804. Support seat; 805. Screw motor; 806. Tool support frame; 807. Electric drive rod; 808. Sand unloading tool frame; 809. Sand unloading stud; 810. Telescopic spring; 811. Ventilation plate; 812. Mounting block; 813. Linkage screw rod; 814. Drive motor; 815. Tool frame; 816. Rotating cylinder; 817. Gear plate; 818. Convex plate; 819. Rotating shaft; 820. Limiting rail; 821. Reciprocating slide seat; 822. Limiting block; 823, installation frame; 824, U-shaped push-pull rod; 825, roller; 826, sliding round tube; 827, linkage clamping column; 828, rotating clamping tube; 829, push-pull support rod; 9, opening and closing module; 901, support plate; 902, tooling round frame; 903, linkage round rod; 904, L mounting seat; 905, universal motor; 906, adjustment gear; 907, linkage round tooth plate; 908, notch; 909, linkage gear rod; 910, opening and closing sand unloading plate; 10, limiting module; 1001, tooling bolt plate; 1002, limiting round tube; 1003, extrusion spring; 1004, U-shaped frame; 1005, arc roller; 1006, guide cylinder; 11, conversion ring beam; 12, jack body; 13, steel pad; 14, support frame beam; 15, support column. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] The invention discloses a large-scale hollow truss structure deformation multi-point dynamic dual-control combination device which is mainly used in the existing sand box device to automatically unload sand by applying force above the sand box. Since there are multiple sand and gravel unloading holes, uniform sand unloading cannot be achieved and the sand and gravel unloading holes are easily blocked, which makes it impossible for the sand box to achieve the displacement regulation of the upper structure.

[0035] Example 1, reference Figure 1-Figure 3A large-scale hollow truss structure deformation multi-point dynamic dual-control combination device includes a support column 15, support frame beams 14 are arranged on both sides of the support column 15, and one side of the two support frame beams 14 is fixedly connected with a steel pad 13, and one side of the two steel pads 13 is arranged with a jack body 12, one side of the support column 15 is fixedly connected with a sand box bottom plate 1, and the upper part of the sand box bottom plate 1 is fixedly connected with a sand box outer tube 2, and the outside of the sand box outer tube 2 is fixedly connected with a sand box waist support plate 3, The inner part of the sand box outer tube 2 is slidably connected to the sand box inner tube 4, and the side of the sand box inner tube 4 away from the sand box bottom plate 1 is fixedly connected to the top bearing plate 5, and the side of the top bearing plate 5 facing the sand box bottom plate 1 is provided with a sand box displacement control laser instrument 6, the driving ends of the two jack bodies 12 and one side of the top bearing plate 5 carry the same conversion ring beam 11, and the side of the sand box bottom plate 1 on the sand box waist support plate 3 is provided with an anti-blocking sand unloading mold group 8, and the anti-blocking sand unloading mold group 8 includes multiple guide rails 801.

[0036] In a specific application scenario, first, all the sand box inner tubes 4 are synchronously controlled to be precisely lowered, and then the double-sided jack bodies 12 at eight points are synchronously controlled to slowly unload the force until the upper structure is again subjected to force above the top bearing plate 5 on the sand box inner tube 4, and the upper load on the jack body 12 is reduced to 0 kN; then all the sand box inner tubes 4 are synchronously controlled to be precisely lowered first; then the double-sided jack bodies 12 at eight points are synchronously controlled to slowly unload the force until the upper structure is again subjected to force above the top bearing plate 5 on the sand box inner tube 4, and the upper load on the jack body 12 is reduced to 0 kN; repeat many times until the upper structure is completely separated from all the sand box top bearing plates 5, and the separation gap is visible to the naked eye, and finally the overall unloading of the large hollow truss is achieved.

[0037] Reference Figure 3-Figure 9 , the interiors of the multiple guide rails 801 are slidably connected with a screw nut sliding seat 803, both sides of the multiple guide rails 801 are provided with a circular hole one, and the interiors of the two opposite circular holes one are connected with the same screw 802 through a bearing, one side of the multiple guide rails 801 is connected with a support seat 804 through bolts, one side of the multiple support seats 804 is fixedly connected with a screw motor 805, the driving end of the screw motor 805 is connected to one end of the screw 802 through a coupling, the side of the multiple screw nut sliding seats 803 facing the sand box bottom plate 1 is bolted with a tooling support frame 806, one side of the multiple tooling support frames 806 is provided with an installation port, the interiors of the multiple installation ports are fixedly connected with an electric driving rod 807, the outside of the sand box outer tube 2 is provided with sand outlets at equal distances, and the interiors of the multiple sand outlets are fixedly connected with sand outlet pipes 7.

[0038] Reference Figure 3-Figure 9, the driving ends of the multiple electric driving rods 807 are fixedly connected to the sand unloading tooling frame 808, and the two sides of the multiple sand unloading tooling frames 808 are evenly fixedly connected with telescopic springs 810, one side of the multiple telescopic springs 810 located on the same sand unloading tooling frame 808 is fixedly connected to the same ventilation plate 811, the inner side of the multiple sand unloading tooling frames 808 is connected to two mounting blocks 812 by bolts, and the sides of the multiple mounting blocks 812 are provided with circular holes 2, and the two circular holes 2 located in the same sand unloading tooling frame 808 are connected to the same linkage screw 813 through bearings, the inner side of the multiple sand unloading tooling frames 808 is fixedly connected to a driving motor 814, the driving end of the driving motor 814 is connected to one end of the linkage screw 813 through a coupling, and the other end of the multiple linkage screws 813 is fixedly connected to a linkage clamping column 827.

[0039] Reference Figure 3-Figure 9 The inner side of multiple sand unloading tooling frames 808 is connected to the limiting blocks 822 by bolts, and the sides of multiple limiting blocks 822 are opened with smooth openings, the inner parts of multiple smooth openings are slidably connected with sliding circular tubes 826, the inner parts of multiple sliding circular tubes 826 are connected with rotating clamping tubes 828 through bearings, the outer parts of multiple rotating clamping tubes 828 are fixedly connected with sand unloading studs 809, and the linkage clamping column 827 slides inside the rotating clamping tube 828.

[0040] Reference Figure 3-Figure 9 The outsides of the multiple sliding circular tubes 826 are fixedly connected to the installation frames 823, and the outsides of the multiple installation frames 823 are connected to the U-shaped push-pull rods 824 by bolts, and slideways are opened on both sides of the multiple U-shaped push-pull rods 824. The inner side of the multiple sand unloading tooling frames 808 is connected to the limiting track 820 by bolts, and the inner side of the multiple limiting tracks 820 is slidably connected to the reciprocating slide 821, and the side of the reciprocating slide 821 facing the sand box bottom plate 1 is fixedly connected to the side of the U-shaped push-pull rod 824, and the inner side of the multiple sand unloading tooling frames 808 is connected to the tooling frame 815 by bolts.

[0041] Reference Figure 3-Figure 9 , circular holes three are provided on both sides of the multiple tooling frames 815, and the interiors of the two opposite circular holes three are connected to the same rotating cylinder 816 through bearings, the exteriors of the multiple rotating cylinders 816 are fixedly connected to gear plates 817, the gear plates 817 are meshed with the linkage screw 813, the exteriors of the multiple rotating cylinders 816 are fixedly connected to two convex plates 818, the sides of the multiple convex plates 818 are provided with circular holes four, the interiors of the multiple circular holes four are connected to rotating shafts 819 through bearings, the exteriors of the multiple rotating shafts 819 are movably connected to push-pull support rods 829, the sides of the multiple push-pull support rods 829 are provided with circular holes five, the interiors of the multiple circular holes five are movably connected to rollers 825, and the rollers 825 are slidably connected to the interior of the slideway.

[0042] In a specific application scenario, when unloading sand and gravel, the electric drive rod 807 is first started to drive the sand unloading stud 809 on the sand unloading tool frame 808 to move to the side of the sand outlet pipe 7, and then the screw motor 805 is started, and the screw motor 805 drives the screw 802 to drive the screw nut sliding seat 803, so that the sand unloading stud 809 on the sand unloading tool frame 808 on the screw nut sliding seat 803 moves to the inside of the sand outlet pipe 7, and then the drive motor 814 is started intermittently, and the drive motor 814 drives the linkage clamping column 827 on one side of the linkage screw 813 to rotate, and the linkage clamping column 827 drives the rotating clamping tube 828 to rotate inside the sliding circular tube 826, so that The sand unloading stud 809 can accurately and intermittently unload the sand and gravel inside the sand box outer tube 2, and the gear plate 817 rotates along with the rotation of the linkage screw 813, and the convex plate 818 is driven to rotate in a circle by the rotating cylinder 816, so that the roller 825 on the push-pull support rod 829 drives the U-shaped push-pull rod 824, so that the sliding tube 826 drives the sand unloading stud 809 to reciprocate horizontally inside the sand outlet pipe 7 to avoid blockage of the sand outlet pipe 7 when unloading sand and gravel. Through the anti-blocking sand unloading module 8, the sand and gravel inside the sand box outer tube 2 can be evenly unloaded, and the blockage of the sand outlet pipe 7 can be avoided when unloading sand and gravel, thereby reducing the occurrence of the sand box being unable to achieve upper structure displacement regulation.

[0043] Example 2, reference Figure 3 , Fig.10 and Fig.11 An opening and closing module group 9 is arranged above the sand box bottom plate 1, and the opening and closing module group 9 includes multiple support plates 901, one side of each of the multiple support plates 901 is fixedly connected with a tooling circular frame 902, one side of each of the multiple tooling circular frames 902 is provided with a circular sliding opening, and the interior of each of the multiple circular sliding openings is movably connected with a linkage round tooth plate 907.

[0044] Reference Figure 3 , Fig.10 and Fig.11, six circular holes are evenly spaced on the sides of the multiple tooling circular frames 902, and the interiors of the multiple circular holes are connected to linkage circular rods 903 through bearings, and the exteriors of the multiple linkage circular rods 903 are fixedly connected to adjusting gears 906, which mesh with linkage circular toothed plates 907, and the sides of the multiple tooling circular frames 902 are connected to L mounting seats 904 through bolts, and the sides of the multiple L mounting seats 904 are fixedly connected to universal motors 905, and the driving end of the universal motor 905 is connected to one end of one of the linkage circular rods 903 through a coupling, and notches 908 are evenly spaced on the sides of the multiple tooling circular frames 902, and linkage gear rods 909 are slidably connected inside the multiple notches 908, which mesh with the adjusting gear 906, and the sides of the multiple linkage gear rods 909 are fixedly connected to opening and closing sand unloading plates 910, and one side of the opening and closing sand unloading plates 910 is against the sand outlet of the sand outlet pipe 7.

[0045] In a specific application scenario, when unloading sand and gravel, the universal motor 905 is started, and the corresponding linkage round rod 903 is driven to rotate by the universal motor 905, so that the adjusting gear 906 on the linkage round rod 903 drives the linkage circular tooth plate 907 to make the remaining multiple adjusting gears 906 rotate at the same time, and the corresponding meshing linkage gear rods 909 are driven by the multiple adjusting gears 906 to slide inside the groove 908, and the multiple linkage gear rods 909 drive the opening and closing sand unloading plate 910 to move, so that the sand outlet pipe 7 is opened, avoiding manual blocking of the sand outlet pipe 7, and improving the convenience of using the sand box.

[0046] Example 3, reference Figure 3 and Fig.12 A limiting module 10 is arranged on the upper side of the sand box bottom plate 1, and the limiting module 10 includes a plurality of tooling bolt plates 1001, one side of each of the plurality of tooling bolt plates 1001 is fixedly connected to a limiting circular tube 1002, the interiors of the plurality of limiting circular tubes 1002 are all connected to extrusion springs 1003 in a ring-shaped distribution, and one side of each of the plurality of extrusion springs 1003 located on the same side is fixedly connected to the same U-shaped support frame 1004.

[0047] Reference Figure 3 and Fig.12 , circular holes seven are evenly spaced on both sides of the multiple U-shaped abutment frames 1004, and the interiors of the two opposite circular holes seven are connected to the same arc roller 1005 through bearings, and a guide cylinder 1006 is evenly fixedly connected to the side of the top bearing plate 5 facing the sand box bottom plate 1, and the guide cylinder 1006 slides inside the limiting circular tube 1002, and the outside of the guide cylinder 1006 abuts against the outside of the arc roller 1005.

[0048] In a specific application scenario, when the top bearing plate 5 is subjected to force, it drives the sand box inner tube 4 to move downward inside the sand box outer tube 2. During the downward movement of the sand box inner tube 4, the multiple guide cylinders 1006 on the top bearing plate 5 slide inside the limiting circular tube 1002, and at the same time, the arc roller 1005 follows the rotation on the U-shaped abutment frame 1004 to limit the downward movement trajectory of the sand box inner tube 4. When the guide cylinder 1006 slides in the limiting circular tube 1002, the elasticity of the extrusion spring 1003 makes the multiple arc rollers 1005 on the U-shaped abutment frame 1004 abut against the outside of the guide cylinder 1006. The contact area between the arc roller 1005 and the outside of the guide cylinder 1006 is small, which reduces the friction on the guide cylinder 1006 and increases its service life.

[0049] Working principle: When unloading sand and gravel, the universal motor 905 is started, and the corresponding linkage round rod 903 is driven to rotate by the universal motor 905, so that the adjusting gear 906 on the linkage round rod 903 drives the linkage round tooth plate 907 to make the remaining multiple adjusting gears 906 rotate at the same time, and the corresponding meshing linkage gear rods 909 are driven to slide inside the groove 908 by multiple adjusting gears 906, and the multiple linkage gear rods 909 drive the opening and closing sand unloading plate 910 to move, so that the sand discharge pipe 7 is opened, and then all the sand box inner tubes 4 are synchronously controlled to descend accurately, and then the double-sided jack bodies 12 at eight points are synchronously controlled to slowly unload the force until the upper structure is again subjected to the force on the top bearing plate on the sand box inner tube 4. 5, at this time, the upper load on the jack body 12 is reduced to 0kN; then all the sand box inner tubes 4 are synchronously controlled to descend accurately first; then the jack bodies 12 on both sides of the eight points are synchronously controlled to slowly unload the force until the upper structure is again subjected to force on the top bearing plate 5 of the sand box inner tube 4, at this time, the upper load on the jack body 12 is reduced to 0kN; repeat several times until the upper structure is completely separated from all the sand box top bearing plates 5. During the sand discharge process of the sand discharge pipe 7, the electric drive rod 807 is started to drive the sand discharge stud 809 on the sand discharge tooling frame 808 to move to one side of the sand discharge pipe 7, and then the screw motor 805 is started, and the screw 802 is driven by the screw motor 805 to drive the screw nut sliding seat 803, The sand unloading stud 809 on the sand unloading tooling frame 808 on the screw nut sliding seat 803 moves to the inside of the sand outlet pipe 7. When the top bearing plate 5 is subjected to force, it drives the sand box inner tube 4 to move downward inside the sand box outer tube 2. During the downward movement of the sand box inner tube 4, the multiple guide cylinders 1006 on the top bearing plate 5 slide inside the limiting circular tube 1002, and the arc roller 1005 follows the rotation on the U-shaped abutment frame 1004 to limit the downward movement trajectory of the sand box inner tube 4. When the guide cylinder 1006 slides in the limiting circular tube 1002, the multiple arc rollers 1005 on the U-shaped abutment frame 1004 are abutted against the outside of the guide cylinder 1006 through the elasticity of the extrusion spring 1003, and the sand box inner tube While the sand box 809 moves downward, the driving motor 814 is started intermittently, and the driving motor 814 drives the linkage clamping column 827 on one side of the linkage screw 813 to rotate, and the linkage clamping column 827 drives the rotating clamping tube 828 to rotate inside the sliding circular tube 826, so that the sand unloading stud 809 accurately and intermittently unloads the sand and gravel inside the sand box outer tube 2, and the gear plate 817 rotates with the rotation of the linkage screw 813, and the convex plate 818 is driven to rotate in a circle through the rotating cylinder 816, so that the roller 825 on the push-pull support rod 829 drives the U-shaped push-pull rod 824, so that the sliding circular tube 826 drives the sand unloading stud 809 to impact horizontally back and forth inside the sand outlet pipe 7, so as to avoid blockage of the sand outlet pipe 7 when unloading sand and gravel.

[0050] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A large-scale hollow truss structure deformation multi-point dynamic dual-control combined device, comprising a support column (15), characterized in that: Support frame beams (14) are provided on both sides of the support column (15), and one side of the two support frame beams (14) is fixedly connected to a steel pad (13), and one side of the two steel pads (13) is provided with a jack body (12), one side of the support column (15) is fixedly connected to a sand box bottom plate (1), and the upper part of the sand box bottom plate (1) is fixedly connected to a sand box outer tube (2), and the outside of the sand box outer tube (2) is fixedly connected to a sand box waist support plate (3), and the inside of the sand box outer tube (2) is slidably connected to a sand box inner tube (4), and a top bearing plate (5) is fixedly connected to a side of the sand box inner tube (4) away from the sand box bottom plate (1), and a sand box displacement control laser instrument (6) is arranged on a side of the top bearing plate (5) facing the sand box bottom plate (1), the driving ends of the two jack bodies (12) and one side of the top bearing plate (5) carry a same conversion ring beam (11), and an anti-blocking sand unloading mold group (8) is arranged on a side of the sand box waist support plate (3) facing the sand box bottom plate (1), and the anti-blocking sand unloading mold group (8) includes a plurality of guide rails (801).

2. According to claim 1, a large-scale hollow truss structure deformation multi-point dynamic dual-control combined device is characterized in that: The interiors of the plurality of guide rails (801) are all slidably connected with a screw nut sliding seat (803), both sides of the plurality of guide rails (801) are provided with a circular hole, and the interiors of the two opposite circular holes are connected with the same screw (802) via a bearing, one side of the plurality of guide rails (801) is connected with a support seat (804) via a bolt, one side of the plurality of support seats (804) is fixedly connected with a screw motor (805), the driving end of the screw motor (805) is connected to one end of the screw (802) via a coupling, one side of the plurality of screw nut sliding seats (803) facing the sand box bottom plate (1) is connected with a tooling support frame (806) via a bolt, one side of the plurality of tooling support frames (806) is provided with an installation opening, the interiors of the plurality of installation openings are fixedly connected with an electric drive rod (807), the outside of the sand box outer tube (2) is provided with sand outlets at equal distances, and the interiors of the plurality of sand outlets are fixedly connected with a sand outlet pipe (7).

3. According to claim 2, a large-scale hollow truss structure deformation multi-point dynamic dual-control combined device is characterized in that: The driving ends of the plurality of electric drive rods (807) are fixedly connected to a sand unloading tooling frame (808), and both sides of the plurality of sand unloading tooling frames (808) are fixedly connected to telescopic springs (810) at equal distances, and one side of the plurality of telescopic springs (810) located on the same sand unloading tooling frame (808) is fixedly connected to the same ventilation plate (811), one side of the interior of the plurality of sand unloading tooling frames (808) is connected to two mounting blocks (812) by bolts, and the sides of the plurality of mounting blocks (812) are provided with two circular holes, and the two circular holes located in the same sand unloading tooling frame (808) are connected to the same linkage screw (813) through bearings, and one side of the interior of the plurality of sand unloading tooling frames (808) is fixedly connected to a driving motor (814), and the driving end of the driving motor (814) is connected to one end of the linkage screw (813) by a coupling, and the other end of the plurality of linkage screws (813) is fixedly connected to a linkage clamping column (827).

4. According to claim 3, a large-scale hollow truss structure deformation multi-point dynamic dual-control combined device is characterized in that: The inner side of the plurality of sand unloading tool frames (808) is connected to the limit blocks (822) by bolts, and the sides of the plurality of limit blocks (822) are provided with smooth openings, the inner sides of the plurality of smooth openings are slidably connected to sliding circular tubes (826), the inner sides of the plurality of sliding circular tubes (826) are connected to rotating clamping tubes (828) by bearings, the outer sides of the plurality of rotating clamping tubes (828) are fixedly connected to the sand unloading studs (809), and the linkage clamping columns (827) slide inside the rotating clamping tubes (828).

5. A large-scale hollow truss structure deformation multi-point dynamic dual-control combined device according to claim 4, characterized in that: The exteriors of the plurality of sliding circular tubes (826) are fixedly connected to mounting frames (823), and the exteriors of the plurality of mounting frames (823) are connected to U-shaped push-pull rods (824) by bolts, slideways are provided on both sides of the plurality of U-shaped push-pull rods (824), the interiors of the plurality of sand unloading tooling frames (808) are connected to limiting tracks (820) by bolts on one side, the interiors of the plurality of limiting tracks (820) are slidably connected to reciprocating slides (821), the side of the reciprocating slides (821) facing the sand box bottom plate (1) is fixedly connected to one side of the U-shaped push-pull rod (824), and the interiors of the plurality of sand unloading tooling frames (808) are connected to tooling frames (815) by bolts on one side.

6. A large-scale hollow truss structure deformation multi-point dynamic dual-control combined device according to claim 5, characterized in that: A plurality of tooling frames (815) are provided with circular holes three on both sides, and the interiors of two opposite circular holes three are connected to the same rotating cylinder (816) through bearings, the exteriors of the plurality of rotating cylinders (816) are fixedly connected to gear plates (817), the gear plates (817) are meshed with the linkage screw rod (813), the exteriors of the plurality of rotating cylinders (816) are fixedly connected to two convex plates (818), the sides of the plurality of convex plates (818) are provided with circular holes four, the interiors of the plurality of circular holes four are connected to rotating shafts (819) through bearings, the exteriors of the plurality of rotating shafts (819) are movably connected to push-pull support rods (829), the sides of the plurality of push-pull support rods (829) are provided with circular holes five, the interiors of the plurality of circular holes five are movably connected to rollers (825), and the rollers (825) are slidably connected to the interior of the slideway.

7. The large-scale hollow truss structure deformation multi-point dynamic dual-control combined device according to claim 6 is characterized in that: An opening and closing die set (9) is arranged above the sand box bottom plate (1), and the opening and closing die set (9) comprises a plurality of support plates (901), one side of each of the plurality of support plates (901) is fixedly connected to a tooling circular frame (902), one side of each of the plurality of tooling circular frames (902) is provided with a circular sliding opening, and the interiors of each of the plurality of circular sliding openings are movably connected to a linkage round tooth plate (907).

8. The large-scale hollow truss structure deformation multi-point dynamic dual-control combined device according to claim 7 is characterized in that: The sides of the plurality of tooling circular frames (902) are uniformly provided with six circular holes, and the interiors of the plurality of circular holes are connected to linkage circular rods (903) via bearings, and the exteriors of the plurality of linkage circular rods (903) are fixedly connected to adjustment gears (906), and the adjustment gears (906) are meshed with linkage circular tooth plates (907), and the sides of the plurality of tooling circular frames (902) are connected to L mounting seats (904) via bolts, and the sides of the plurality of L mounting seats (904) are fixedly connected to universal motors (905), and the universal motors The driving end of the machine (905) is connected to one end of one of the linkage round rods (903) through a coupling, and slots (908) are evenly spaced on the sides of the plurality of tooling round frames (902), and linkage gear rods (909) are slidably connected inside the plurality of slots (908), and the linkage gear rods (909) are meshed with the adjustment gear (906), and the sides of the plurality of linkage gear rods (909) are fixedly connected with opening and closing sand unloading plates (910), and one side of the opening and closing sand unloading plates (910) is against the sand outlet of the sand outlet pipe (7).

9. The large-scale hollow truss structure deformation multi-point dynamic dual-control combined device according to claim 1 is characterized in that: A limiting module (10) is arranged on the upper side of the sand box bottom plate (1), and the limiting module (10) comprises a plurality of tooling bolt plates (1001), one side of the plurality of tooling bolt plates (1001) is fixedly connected to a limiting circular tube (1002), the interiors of the plurality of limiting circular tubes (1002) are connected to extrusion springs (1003) in an annular distribution, and one side of the plurality of extrusion springs (1003) located on the same side is fixedly connected to the same U-shaped support frame (1004).

10. A large-scale hollow truss structure deformation multi-point dynamic dual-control combined device according to claim 9, characterized in that: Circular holes (7) are evenly spaced on both sides of the plurality of U-shaped abutment frames (1004), and the interiors of two opposite circular holes (7) are connected to the same arc roller (1005) via bearings. A guide cylinder (1006) is evenly fixedly connected to the side of the top bearing plate (5) facing the sand box bottom plate (1), and the guide cylinder (1006) slides inside the limiting circular tube (1002), and the outside of the guide cylinder (1006) abuts against the outside of the arc roller (1005).

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