A device for space tube truss jacking and swivel construction and a construction method thereof

Abstract

The present application relates to the technical field of steel structure construction, and particularly relates to a device for jacking and rotating construction of a space pipe truss and a construction method thereof. The device comprises a jacking base, a jacking standard block, a top rotating block and a pipe truss support structure which are sequentially and longitudinally connected. The jacking base is fixedly connected with the ground, and the pipe truss support structure is fixedly connected with the pipe truss. The construction method comprises the following steps: Step 1: installing the jacking base; Step 2: installing the jacking rotating block; Step 3: installing the pipe truss support structure; Step 4: assembling the pipe truss; Step 5: installing the jacking standard block and jacking; Step 6: rotating the pipe truss; and Step 7: fixing the pipe truss. The present application has the advantages of simple structure, novel and reasonable design, high work reliability, fast construction speed, good use effect and convenience for popularization and use. The pipe truss construction in a narrow space is carried out by adopting the mode of jacking first and then rotating, so that the problem of large high-altitude welding quantity in scattered assembly construction is solved, the construction efficiency is improved, and the construction safety is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of steel structure construction, in particular to a device for the jacking and rotation construction of a space tube truss and a construction method thereof. Background Art

[0002] In recent years, large-span steel structures have become increasingly popular among architects. Tubular trusses, due to their advantages such as structural stability, high rigidity, and aesthetic appeal, have been widely used in large-span structures such as stadiums and train stations. Currently, tubular truss construction often involves hoisting or jacking. In areas with limited space and inaccessible to large cranes, the construction often involves loose assembly of members, significantly impacting construction quality and efficiency.

[0003] Patent CN202021178972.7 discloses a space tube truss docking adjustment support that is convenient for welding, comprising a sealing cover plate installed on one side above a fixed base, a hydraulic cylinder installed on the other side above the fixed base, a fine-tuning telescopic rod installed above the hydraulic cylinder, and the hydraulic cylinder is welded to the fine-tuning telescopic rod, a first turning knob installed on one side of the fine-tuning telescopic rod, a telescopic block installed above the fine-tuning telescopic rod, a rotating block installed above the telescopic block, a second turning knob installed at the front end of the rotating block, a support plate installed above the rotating block, a third turning knob installed on one side of the support plate, a first splint installed on one side above the support plate, and a second splint installed on the other side above the support plate. The patent solves the problem that the existing space tube truss docking adjustment support that is convenient for welding is not very convenient to use and has low practicality, but does not solve the problem of tube truss jacking and rotation construction. Summary of the Invention

[0004] The purpose of the present invention is to provide a device and a construction method for the rotation construction of a spatial tube truss, which adopts the method of first jacking up and then rotating to carry out the tube truss construction in a narrow space, solves the problem of large amount of high-altitude welding in loose construction, improves construction efficiency and saves construction costs.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A device for the jacking and rotation construction of a space tube truss, comprising a jacking base, a jacking standard block, a top rotation block and a tube truss support structure which are longitudinally connected in sequence;

[0007] The jacking base is fixedly connected to the ground, and the pipe truss support structure is fixedly connected to the pipe truss.

[0008] A further technical solution of the present invention is that the jacking base includes a base frame, a support, a lug plate, a lifting platform and a base jack;

[0009] Supports are fixed to the four corners of the lower end of the base frame, and bolt holes are reserved on the supports for connection with anchor bolts.

[0010] A further technical solution of the present invention is that the lifting platform is arranged inside the base frame, the base jack is fixed between the lower end surface of the lifting platform and the base frame, the lifting platform is powered by the base jack, and a groove is provided on the top of the lifting platform for positioning the lifting standard block;

[0011] The ear plate is arranged on the top of the base frame, and holes are reserved on the ear plate for connecting with the lifting standard block.

[0012] A further technical solution of the present invention is that the lifting standard block includes a standard block frame welded from steel components, the bottom of the standard block frame is provided with bolt holes and pin holes, and the top four corners of the standard block frame are provided with connecting plates.

[0013] A further technical solution of the present invention is that a thread is provided inside the bolt hole for connecting with other lifting standard blocks, and the connection between the lifting standard blocks is made by single-sided bolt connection;

[0014] The pin hole is used to connect the lifting standard block and the lifting base;

[0015] The connecting plate is provided with bolt holes for connecting between the jacking standard blocks.

[0016] A further technical solution of the present invention is that the top rotating block includes a rotating block top plate, a horizontal rotating support arranged on the rotating block top plate, and a rotating jack connected to the horizontal rotating support, and the horizontal rotating support provides rotational power through the rotating jack.

[0017] A further technical solution of the present invention is that the horizontal rotating support is welded to the top plate of the rotating block, and the horizontal rotating support rotates in the horizontal direction under the action of the rotating jack;

[0018] The top plate of the rotating block is connected to the lifting standard block through the bottom bolt holes.

[0019] A further technical solution of the present invention is that the tube truss support structure includes a support frame, a pad is provided on the bottom crossbeam of the support frame, and a groove is provided on the pad for accommodating the lower chord of the tube truss;

[0020] The four corners of the top of the support frame are provided with arc-shaped connecting plates, and the support frame and the pipe truss are connected through the arc-shaped connecting plates;

[0021] The arc-shaped connecting plate and the support frame are fixed with single-sided bolts, and the support frame is formed by welding steel components.

[0022] A construction method for a device used for jacking and rotating construction of a space tube truss,

[0023] Step 1: Install the jacking base

[0024] Step 2: Install the top rotating block

[0025] Place the top rotating block on the lifting platform inside the lifting base, start the lifting platform to lift the top rotating block to the upper crossbeam fixed position, insert the pins to fix the top rotating block;

[0026] Step 3: Install the pipe truss support structure

[0027] Step 4: Assemble the pipe truss

[0028] Step 5: Install the lifting standard block and lift

[0029] Install the jacking standard block on the lifting platform inside the jacking base, start the lifting platform, lift the standard block to the joint position of the top rotating block, fix the two parts together through the reserved connecting plate and the single-sided bolt hole on the beam, remove the pin, continue to lift the lifting platform until the pin hole on the lower beam of the jacking standard block is aligned with the pin hole on the ear plate, insert the pin to fix the jacking standard block, repeat the above operation, and lift the pipe truss to a position higher than the installation position to avoid obstruction during the rotation construction;

[0030] Step 6: Rotate the Tube Truss

[0031] Step 7: Secure the pipe truss.

[0032] A further technical solution of the present invention is that the specific steps include:

[0033] Step 1: Install the jacking base

[0034] Hoist the jacking base to the jacking position selected in advance, install the anchor bolts, and secure the jacking base; install the base jack and lifting platform in the jacking base and perform debugging;

[0035] Step 2: Install the top rotating block

[0036] Place the top rotating block on the lifting platform inside the lifting base, start the lifting platform to lift the top rotating block to the upper crossbeam fixed position, insert the pins to fix the top rotating block;

[0037] Step 3: Install the pipe truss support structure

[0038] Process the support frame according to the size of the pipe truss, hoist the support frame to the installation position on the top of the horizontal rotating support, and fix the support frame;

[0039] Step 4: Assemble the pipe truss

[0040] Set up the pipe truss assembly platform, assemble the pipe truss on the assembly platform, fix the splicing plate in the corresponding position and tighten the bolts, fix the pipe truss, dismantle the assembly platform, and adjust the center of gravity of the pipe truss to the center of the rotating support by counterweight;

[0041] Step 5: Install the lifting standard block and lift

[0042] Install the jacking standard block on the lifting platform inside the jacking base, start the lifting platform, lift the standard block to the joint position of the top rotating block, fix the two parts together through the reserved connecting plate and the single-sided bolt hole on the beam, remove the pin, continue to lift the lifting platform until the pin hole on the lower beam of the jacking standard block is aligned with the pin hole on the ear plate, insert the pin to fix the jacking standard block, repeat the above operation, and lift the pipe truss to a position higher than the installation position to avoid obstruction during the rotation construction;

[0043] Step 6: Rotate the Tube Truss

[0044] Start the rotation jack on top of the top rotation block to rotate the pipe truss to the installation position;

[0045] Step 7: Fix the pipe truss

[0046] Use the lifting platform to drop the pipe truss onto the supports of the columns on both sides, and fix the pipe truss. Remove the jacking standard block and top rotating block of the jacking rotating device in turn, and finally remove the jacking base.

[0047] The beneficial effects of the device for jacking and rotating construction of a space tube truss and the construction method thereof of the present invention are:

[0048] The present invention has a simple structure, novel and reasonable design, high reliability, fast construction speed, good use effect, and is easy to promote and use. The method of first lifting and then rotating is used to construct the pipe truss in a narrow space, which solves the problem of large amount of high-altitude welding in loose assembly construction, improves construction efficiency, and ensures construction safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] Figure 1 It is a three-dimensional diagram of the spatial tube truss lifting and rotating device of the present invention;

[0050] Figure 2 It is a schematic diagram of the three-dimensional structure of the jacking base of the present invention;

[0051] Figure 3 It is a side structural schematic diagram of the jacking base of the present invention;

[0052] Figure 4 It is a schematic diagram of the three-dimensional structure of the lifting standard block of the present invention;

[0053] Figure 5 It is a side view structural diagram of the jacking standard block of the present invention;

[0054] Figure 6 It is a schematic diagram of the three-dimensional structure of the top rotating block of the present invention;

[0055] Figure 7 1 is a schematic side view of the top rotating block of the present invention;

[0056] Figure 8 It is a schematic diagram of the three-dimensional structure of the tube truss support structure of the present invention;

[0057] Figure 9 is a side structural schematic diagram of the tube truss support structure of the present invention;

[0058] In the picture:

[0059] 1-lifting base; 11-base frame; 12-support; 13-ear plate; 14-lifting platform; 15-base jack;

[0060] 2-lifting standard block; 21-standard block frame; 22-connecting plate; 24-pin hole;

[0061] 3-top rotating block; 31-rotating block top plate; 32-horizontal rotating support; 33-rotating jack;

[0062] 4-tube truss support structure; 41-support frame; 42-pad; 43-arc connecting plate;

[0063] 5-Tube truss. DETAILED DESCRIPTION

[0064] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1:

[0065] See also Figures 1-9 A device for the jacking and rotation construction of a spatial tube truss comprises a jacking base 1, a jacking standard block 2, a top rotation block 3, and a tube truss support structure 4, which are longitudinally connected in sequence. The jacking base 1 is fixedly connected to the ground, and the tube truss support structure 4 is fixedly connected to the tube truss 5. The jacking standard block 2 is selected based on the jacking height. If the height of the jacking standard block 2 does not meet the required height, a custom jacking standard block can be used.

[0066] The jacking base 1 includes a base frame 11, a support 12, an ear plate 13, a lifting platform 14 and a base jack 15; the four corners of the lower end of the base frame 11 are fixed with supports 12, and bolt holes are reserved on the supports 12 for connecting with anchor bolts to ensure that the entire device is firmly connected to the ground. The lifting platform 14 is arranged inside the base frame 11, and the base jack 15 is fixed between the lower end surface of the lifting platform 14 and the base frame 11. The lifting platform 14 is powered by the base jack 15 to control the lifting of the lifting platform. A groove is provided on the top of the lifting platform 14 for positioning the jacking standard block 2; the ear plate 13 is arranged on the top of the base frame 11, and holes are reserved on the ear plate 13 for connecting with the jacking standard block 2. When the jacking standard block 2 is connected to the lifting platform 14, the base jack 15 lifts the lifting platform 14, thereby driving the jacking standard block 2 to lift.

[0067] The lifting block 2 comprises a standard block frame 21 welded from steel components. Bolt holes and pin holes 24 are located at the bottom of the standard block frame 21, and connecting plates 22 are located at the four corners of the top of the standard block frame 21. The bolt holes are threaded, and the two lifting blocks are connected using single-sided bolts. The pin holes 24 are used to connect the lifting block 2 to the lifting base 1. Bolt holes are provided in the connecting plate 22. Bolt holes on the connecting plate 22 and the bottom of the standard block frame 21 are used to connect adjacent lifting blocks 2. Multiple lifting blocks 2 can be stacked and connected to increase the overall height.

[0068] The top rotating block 3 includes a rotating block top plate 31, a horizontal rotating support 32 mounted on the rotating block top plate 31, and a rotating jack 33 connected to the horizontal rotating support 32. The horizontal rotating support 32 is provided with rotational power by the rotating jack 33. The rotating block top plate 31 is connected to the lifting standard block 2 via bottom bolt holes. The horizontal rotating support 32 is welded to the rotating block top plate 31 and fixedly connected to the bottom of the pipe truss 5. The horizontal rotating support 32 rotates horizontally under the action of the rotating jack 33, driving the pipe truss 5 mounted on the horizontal rotating support 32 to rotate.

[0069] The tube truss support structure 4 includes a support frame 41, which is welded from steel components. A pad 42 is provided on the bottom crossbeam of the support frame 41, and a groove is provided on the pad 42 for placing the lower chord of the tube truss 5; the four corners of the top of the support frame 41 are provided with an arc-shaped connecting plate 43, and the support frame 41 is connected to the tube truss 5 through the arc-shaped connecting plate 43; the arc-shaped connecting plate 43 and the support frame 41 are fixed with a single-sided bolt.

[0070] Implementation:2:

[0071] See also Figures 1-9A construction method of a device for space tube truss jacking and rotating construction,

[0072] Step one: install jacking base 1

[0073] Hoist the jacking base 1 to the jacking position selected in advance, install the anchor bolts, and fix the jacking base 1; install the base jack 15 and the lifting platform 14 in the base frame 11, and debug;

[0074] Step two: install the top rotating block 3

[0075] Place the top rotating block 3 on the lifting platform 14 in the jacking base 1, start the lifting platform 14 to jacking the top rotating block 3 to the upper beam fixing position, and insert the pin to fix the top rotating block 3;

[0076] Step three: install the tube truss support structure 4

[0077] According to the size of the tube truss 5, process the support frame 41, hoist the support frame 41 to the top installation position of the horizontal rotating support 32, and fix the support frame 41;

[0078] Step four: assemble the tube truss 5

[0079] Erect the tube truss 5 assembly stand, assemble the tube truss 5 on the assembly stand, fix the splice plate at the corresponding position and tighten the bolts, fix the tube truss 5, remove the assembly stand, and adjust the center of gravity of the tube truss to the center position of the horizontal rotating support 32 through counterweight;

[0080] Step five: install the jacking standard block 2 and jacking

[0081] Install the jacking standard block 2 on the lifting platform 14 in the jacking base 1, start the lifting platform 14, jacking the jacking standard block 2 to the interface position of the top rotating block 3, fix the two parts together through the reserved connecting plate 22 and the single-side bolt hole on the beam, remove the pin, continue to lift the lifting platform 14, until the pin hole on the lower beam of the jacking standard block 2 is aligned with the pin hole on the lug plate 13, insert the pin to fix the jacking standard block 2, repeat the above operation, jacking the tube truss 5 to the installation position, avoiding the obstruction during the rotating construction;

[0082] Step six: rotate the tube truss 5

[0083] Start the rotating jack 33 at the top of the top rotating block 3, and rotate the tube truss 5 to the installation position;

[0084] Step seven: fix the tube truss 5

[0085] The pipe truss 5 is dropped onto the supports of the two side columns by the lifting platform 14 and fixed. The lifting standard block 2 and the top rotating block 3 of the lifting and rotating device are removed in sequence, and finally the lifting base 1 is removed.

[0086] The present invention solves the problem that the pipe truss cannot be assembled in situ during construction in a narrow site and the high-altitude work required to assemble the cantilevered pipe truss, thereby improving the construction quality and efficiency of the project.

[0087] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A construction method for a device for jacking and rotating a space tube truss, characterized by: The device for the jacking and rotating construction of a space tube truss comprises a jacking base, a jacking standard block, a top rotating block and a tube truss supporting structure which are longitudinally connected in sequence; The jacking base is fixedly connected to the ground, and the pipe truss support structure is fixedly connected to the pipe truss; The jacking base includes a base frame, a support, a lug, a lifting platform and a base jack; Supports are fixed at the four corners of the lower end of the base frame, and bolt holes are reserved on the supports for connection with anchor bolts; The lifting platform is arranged inside the base frame, the base jack is fixed between the lower end surface of the lifting platform and the base frame, the lifting platform is powered by the base jack, and a groove is provided on the top of the lifting platform for positioning the lifting standard block; The ear plate is provided on the top of the base frame, and holes are reserved on the ear plate for connection with the lifting standard block; The lifting standard block includes a standard block frame welded from steel components, the bottom of the standard block frame is provided with bolt holes and pin holes, and the top four corners of the standard block frame are provided with connecting plates; The top rotating block includes a rotating block top plate, a horizontal rotating support provided on the rotating block top plate, and a rotating jack connected to the horizontal rotating support, wherein the horizontal rotating support provides rotating power through the rotating jack; Step 1: Install the jacking base; Step 2: Install the top rotating block; Place the top rotating block on the lifting platform inside the jacking base, start the lifting platform to lift the top rotating block to the upper crossbeam fixing position of the jacking base, and insert the pins to fix the top rotating block; Step 3: Install the pipe truss support structure; Step 4: Assemble the pipe truss; Step 5: Install the lifting standard block and lift; Install the jacking standard block on the lifting platform inside the jacking base, start the lifting platform, lift the jacking standard block to the connection position of the top rotating block, fix the two parts together through the reserved connecting plate and the bolt holes at the bottom of the top rotating block, remove the pins, continue to lift the lifting platform until the pin holes at the bottom of the jacking standard block are aligned with the pin holes on the ear plate, insert the pins to fix the jacking standard block, repeat the above operation, and lift the pipe truss to a position higher than the installation position to avoid obstruction during the rotation construction; Step 6: Rotate the pipe truss; Step 7: Secure the pipe truss.

2. The construction method of the device for jacking and rotating construction of a space tube truss according to claim 1, characterized in that: The specific steps include: Step 1: Install the jacking base; Hoist the jacking base to the jacking position selected in advance, install the anchor bolts, and secure the jacking base; install the base jack and lifting platform in the jacking base and perform debugging; Step 2: Install the top rotating block; Place the top rotating block on the lifting platform inside the jacking base, start the lifting platform to lift the top rotating block to the upper crossbeam fixing position of the jacking base, and insert the pins to fix the top rotating block; Step 3: Install the pipe truss support structure; Process the support frame according to the size of the pipe truss, hoist the support frame to the installation position on the top of the horizontal rotating support, and fix the support frame; Step 4: Assemble the pipe truss; Set up the pipe truss assembly platform, assemble the pipe truss on the assembly platform, fix the splicing plate in the corresponding position and tighten the bolts, fix the pipe truss, dismantle the assembly platform, and adjust the center of gravity of the pipe truss to the center position of the horizontal rotation support by counterweight; Step 5: Install the lifting standard block and lift; Install the jacking standard block on the lifting platform inside the jacking base, start the lifting platform, lift the standard block to the joint position of the top rotating block, fix the two parts together through the reserved connecting plate and the bolt holes at the bottom of the top rotating block, remove the pins, continue to lift the lifting platform until the pin holes at the bottom of the jacking standard block are aligned with the pin holes on the ear plate, insert the pins to fix the jacking standard block, repeat the above operation, and lift the pipe truss to a position higher than the installation position to avoid obstruction during the rotation construction; Step 6: Rotate the pipe truss; Start the rotation jack on top of the top rotation block to rotate the pipe truss to the installation position; Step 7: Fix the pipe truss; Use the lifting platform to drop the pipe truss onto the supports of the columns on both sides, and fix the pipe truss. Remove the jacking standard block and top rotating block of the jacking rotating device in turn, and finally remove the jacking base.

3. The construction method of the device for jacking and rotating a space tube truss according to claim 1 is characterized in that: The bolt holes are provided with threads for connecting with other lifting standard blocks, and the lifting standard blocks are connected by single-sided bolts; The pin hole is used to connect the lifting standard block and the lifting base; The connecting plate is provided with bolt holes for connecting between the jacking standard blocks.

4. The construction method of the device for jacking and rotating a space tube truss according to claim 1 is characterized in that: The horizontal rotating support is welded to the top plate of the rotating block, and the horizontal rotating support rotates horizontally under the action of the rotating jack; The top plate of the rotating block is connected to the lifting standard block through the bottom bolt holes.

5. The construction method of the device for jacking and rotating a space tube truss according to claim 1 is characterized in that: The tube truss support structure includes a support frame, a pad is provided on the bottom crossbeam of the support frame, and a groove is provided on the pad for accommodating the lower chord of the tube truss; The four corners of the top of the support frame are provided with arc-shaped connecting plates, and the support frame and the pipe truss are connected through the arc-shaped connecting plates; The arc-shaped connecting plate and the support frame are fixed with single-sided bolts, and the support frame is formed by welding steel components.

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