Outdoor construction support device and construction method for large-diameter heating pipes

Abstract

The present invention discloses a large-diameter outdoor construction support device and construction method for heating pipes, including a support assembly, wherein the support assembly is divided into two groups, each group of support assemblies is composed of a first positioning ring and a second positioning ring, an outer support plate is provided on the outer side of the left and right adjacent support assemblies, and an inner support plate is provided in the middle of the left and right adjacent support assemblies; the first positioning ring and the second positioning ring are both arranged in a "U" shape with a semicircular arc top and an opening downward; a moving mechanism is provided in each rectangular through hole; an inner plate bracket assembly is provided between the "U"-shaped grooves of each first positioning ring and the second positioning ring; and a water tank is fixedly connected to the bottom of the outer plate surface of each first positioning ring and the second positioning ring. The present invention arranges an outer support plate between adjacent end plates and an inner support plate between adjacent inserts. During construction, workers only need to stand on the corresponding support plate to perform pipe nozzle welding operations, avoiding the situation where workers slip or lose their center of gravity during construction, improving the welding work quality and work efficiency, and ensuring the personal safety of workers.

Description

Technical Field

[0001] The invention relates to an auxiliary frame used in the butt welding construction of large-diameter heating network pipes and an installation construction method of the auxiliary frame, and in particular to an outdoor construction support device and a construction method for large-diameter heating pipes. Background Art

[0002] In recent years, the construction of infrastructure in my country has been in full swing, and the heating network pipeline is an important livelihood project in infrastructure construction. Pipeline welding is an important process in the installation of heating network pipelines. The quality of welding directly affects the life of the pipeline and whether it can operate safely and reliably after it is put into production. It is also related to the survival and development of the construction company.

[0003] During the existing outdoor pipe nozzle welding construction, rainy weather is often encountered, especially in autumn and winter or the rainy season, when heavy rain will seriously affect the welding construction work of the pipe nozzle. Generally, a pipe support frame is placed in the trench, and the pipe is placed on the support frame. The pipe nozzles are docked with a butt jointer, and then the pipe nozzles are welded. In rainy weather, the trench will be muddy and even have water accumulation. When there is a lot of water accumulation, the water in the trench will be pumped out, but the trench will be muddy. When welding or maintenance construction, workers will directly stand in the mud or half-lie on the pipe to perform welding operations. Especially in the construction of large-diameter pipes, the trench is too deep. When welding the upper part of the pipe, the workers only need to sit or lie on the pipe, but when welding the lower part of the pipe, they need to stand in the mud or half-squat in the mud to perform welding operations. The workers may slip at any time, and the workers' center of gravity is unstable, which is not conducive to the workers' welding operation, seriously affecting the quality of the pipe nozzle welding. If they are not careful, the workers will fall, seriously affecting their personal safety. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the shortcomings of the existing technology and provide an outdoor construction support device and construction method for large-diameter heating pipes, so that workers can maintain overall stability when performing welding operations, improve work efficiency and quality, and at the same time ensure the personal safety of workers.

[0005] The technical solution adopted by the present invention to solve the technical problem is:

[0006] A large-diameter outdoor construction support device for heating pipes includes a support assembly, which is divided into two groups. Each group of support assemblies consists of a first positioning ring and a second positioning ring. The first positioning ring and the second positioning ring are both in a "U" shape with a semicircular arc at the top and an opening downward; a "U"-shaped groove is dug on the inner plate surface of each of the first positioning ring and the second positioning ring, and a rectangular through hole is dug on the outer plate surface of each of the first positioning ring and the second positioning ring. A moving mechanism is respectively provided in each rectangular through hole, and an outer support plate is provided between the left and right adjacent moving mechanisms; an inner plate bracket assembly is provided between the "U"-shaped grooves of each of the first positioning ring and the second positioning ring, and an inner support plate is provided between the left and right adjacent inner plate bracket assemblies; a water tank is fixedly connected to the bottom of the outer plate surface of each of the first positioning ring and the second positioning ring.

[0007] The outside of the water tank is distributed in a compressible pleat shape, and a water inlet end is provided on the side of the upper part of the water tank, and a matching water inlet sealing cover is screwed on the outside of the water inlet end, and a water outlet end is provided on the side of the bottom of the water tank, and a matching water outlet sealing cover is screwed on the outside of the water outlet end.

[0008] An anti-slip layer is provided on the inner side surface of the top of the first positioning ring and the second positioning ring, and a first guide tube with an internal thread is provided at the lower part of the left and right end surfaces of the inner vertical plates of the first positioning ring and the second positioning ring respectively, and a matching first threaded rod is rotatably inserted in the first guide tube, and the end of the first threaded rod passes directly into the interior of the "U"-shaped groove; at least five second guide tubes with internal threads are provided on the left and right end surfaces of the outer vertical plates of the first positioning ring and the second positioning ring respectively, and a matching second threaded rod is rotatably inserted into two of the second guide tubes on the left and right end surfaces of the outer vertical plates of the first positioning ring and the second positioning ring respectively, and the end of the second threaded rod passes directly into the interior of the rectangular through hole.

[0009] The movable mechanism consists of a positioning column, a moving block, an end plate, a hook plate and a positioning block, and two positioning columns are respectively provided in each rectangular through hole, and two ends of the positioning column are respectively fixedly connected to the upper top surface and the lower top surface of the rectangular through hole; a moving block is respectively provided in each of the rectangular through hole, and the moving block is sleeved on the corresponding positioning column, and an end plate is provided on the outside of the moving block, and the end plate and the moving block are distributed in an "L" shape, and an inverted "L"-shaped hook plate is provided at the end of the end plate, and two third guide tubes with internal threads are provided on the top surface of the hook plate, and a matching third threaded rod is rotatably inserted in each of the third guide tubes, and the end of the third threaded rod passes directly through the interior of the top surface of the hook plate; an outer support plate is provided between the left and right adjacent end plates, and each of the outer support plates is respectively located on the end plate below the corresponding hook plate and is tightly fixed together by the third threaded rod.

[0010] Positioning blocks are respectively provided on both sides of the end plate, and the spacing between the positioning blocks and the outer plate surfaces of the corresponding positioning rings is 0.1 mm. A fourth guide tube with an internal thread is respectively provided on each of the positioning blocks, and a matching fourth threaded rod is rotatably inserted in the fourth guide tube, and the end of the fourth threaded rod passes directly through the inner side surface of the positioning block; at least five first positioning holes distributed in vertical rows are respectively provided at the position of the outer plate surface of the positioning ring corresponding to each of the fourth threaded rods, and the fourth threaded rod is inserted in the corresponding first positioning hole to fix the end plate and the outer plate surface of the corresponding positioning ring together.

[0011] There is no contact between the outer walls at both ends of the moving block and the inner wall of the rectangular through hole. Two positioning holes are respectively provided on the two end surfaces of the moving block. The second threaded rod is rotated and inserted into the corresponding second guide tube in sequence, and is inserted into the positioning holes on the two end surfaces of the moving block to fix the moving block and the outer plate surface of the corresponding positioning ring together; the moving block can move up and down in the rectangular through hole along the positioning column.

[0012] The inner plate bracket assembly consists of a first vertical plate, a second vertical plate, an insert block and an insert cylinder, the first vertical plate is located in the U-shaped groove of the first positioning ring, the second vertical plate is located in the U-shaped groove of the second positioning ring, the first vertical plate and the second vertical plate can move up and down in the corresponding U-shaped groove respectively; two vertical rows of positioning holes are respectively provided on both sides of the first vertical plate and the second vertical plate, and each vertical row of positioning holes is composed of at least ten second positioning holes; the first vertical plate is rotatably inserted into the corresponding first guide tube through the first threaded rods at the bottom of the two ends of the inner plate surface of the first positioning ring, The second vertical plate is inserted into the corresponding first guide tube through the first threaded rod at the bottom of the inner plate of the second positioning ring, and is inserted into the corresponding second positioning hole for fixation; an insertion tube is provided at the lower end of the first vertical plate, and the insertion tube and the first vertical plate are distributed in an "L" shape; an insertion block is provided at the lower end of the second vertical plate, and the insertion block and the second vertical plate are distributed in an "L" shape; the insertion block is inserted in the insertion tube, and is inserted into the corresponding fifth guide tube with internal threads through the fifth threaded rod to fix the insertion block and the insertion tube.

[0013] At least five third positioning holes are provided on the right side of the insert block, and a fifth guide tube with an internal thread is provided at the front end of the right side of the insert tube. A matching fifth threaded rod is rotatably inserted in the fifth guide tube, and the end of the fifth threaded rod passes directly through the interior of the insert tube and is inserted in the corresponding third positioning hole; positioning screws are respectively provided at both ends of the upper end surface of the insert tube, and the inner support plates are located on the left and right adjacent insert tubes and are sleeved on the corresponding positioning screws; the upper end of the positioning screw extends out of the inner support plate and is fixed by a matching nut.

[0014] The construction method of the outdoor construction support device for large-diameter heating pipes according to claims 1-8 comprises the following steps:

[0015] 1) Construction preparation:

[0016] a. Use a water pump to pump out the water in the ditch;

[0017] b. Place the pipe in the trench using a truck crane;

[0018] c. Use the aligner to align the adjacent pipe openings;

[0019] d. Lay out and measure, marking A, B, C, and D at 2.5 meters on both sides of the two pipe openings; measure the trench height and determine the position of the moving mechanism and the inner plate support assembly on the bottom surface outside the trench in advance; measure the distance between the two parallel pipes and determine the distance between the first riser 5 and the second riser 6;

[0020] 2) Place each set of support assemblies 2.5 meters on both sides of the pipe orifice. Place the two first positioning rings and the two second positioning rings at marks A, B, C, and D respectively, so that the two sets of support assemblies are symmetrically distributed on the pipes on both sides of the pipe orifice.

[0021] 3) Place ladders on both sides of the trench near the inner wall, making sure the ladders are tilted. Workers stand on the ladders and pour water into the four water tanks through the water pipes. Once filled, screw the water outlet sealing caps to the outlets.

[0022] 4) Insert the outer support plate between the end plates on both sides of the adjacent support assemblies, and rotate and insert it into the third guide tube through the third threaded rod to tighten and fix the inner support plate;

[0023] 5) Dig matching holes at both ends of the inner support plate at the positions corresponding to the positioning screws on the inserts in the middle of the adjacent support assemblies. Place the inner support plate on the inserts in the middle of the adjacent support assemblies so that the positioning screws on the adjacent inserts are inserted into the corresponding holes at both ends of the inner support plate, and tighten the matching nuts on the top of each positioning screw.

[0024] 6) Stand on the inner support plate and the outer support plate respectively to weld the pipe mouth.

[0025] The positive beneficial effects of the present invention are:

[0026] 1. The present invention sets a first positioning ring and a second positioning ring. When in use, the first positioning ring and the second positioning ring are respectively placed on the corresponding pipes, and the water tank is filled with water. The positions of the inner plate support assembly and the end plate are adjusted according to the construction position, and fixed by corresponding threaded rods; then an outer support plate is set between the left and right adjacent end plates, and an inner support plate is set between the left and right adjacent inserts. When the staff is constructing, they only need to stand on the corresponding support plates, reducing the direct contact between the staff and the bottom surface of the trench, ensuring the overall stability of the staff during construction, improving work efficiency, and ensuring work quality.

[0027] 2. The present invention provides an anti-slip layer on the inner side of the top of the first positioning ring and the second positioning ring to increase the friction between the inner wall of the positioning ring and the outer wall of the pipeline, so that the inner wall of the positioning ring and the pipeline can be tightly attached together, reducing the occurrence of displacement.

[0028] 3. The present invention provides a water tank with a compressible pleated exterior. When the water tank is full of water, it is in an expanded state, which plays a role in positioning. When there is no water in the water tank, it is in a compressible state, which is easy to carry.

[0029] 4. The present invention places the inner support plate on the left and right adjacent inserts, and fixes the inner support plate and the insert by screwing nuts on corresponding positioning screws. It is practical, convenient and easy to operate.

[0030] 5. The present invention extends the service life of the end plate by arranging reinforcing ribs at the bottom of the end plate; by arranging a hook plate at the end of the end plate, it plays a role in limiting the outer support plate; by arranging a third guide tube and a third threaded rod on the hook plate, it plays a role in tightening and fixing the corresponding outer support plate.

[0031] 6. When the present invention is used, the insert block is pulled out of the insert tube or inserted into the insert tube according to the distance between the two pipes, thereby adjusting the distance between the first vertical plate and the second vertical plate, and then fixed by the fifth threaded rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of the present invention;

[0033] Figure 2 It is a structural schematic diagram of the inner side plate assembly of the present invention;

[0034] Figure 3 It is a partial structural diagram of the moving mechanism of the present invention;

[0035] Figure 4 It is a structural schematic diagram of the water tank of the present invention. DETAILED DESCRIPTION

[0036] The present invention will be further explained and illustrated below in conjunction with the accompanying drawings:

[0037] See also Figure 1-Figure 4 , a large-diameter outdoor construction support device for heating pipes includes a support assembly, which is divided into two groups, each group of support assemblies consisting of a first positioning ring 1 and a second positioning ring 2, each of the first positioning ring 1 and the second positioning ring 2 being distributed in a "U" shape with a semicircular arc at the top and an opening downward (the inner diameter of the semicircular arc at the top of the first positioning ring 1 and the second positioning ring 2 is determined according to the outer diameter of the pipe); a "U"-shaped groove 3 is dug on the inner plate surface of each first positioning ring 1 and the second positioning ring 2, and a rectangular through hole 4 is dug on the outer plate surface of each first positioning ring 1 and the second positioning ring 2, and a moving mechanism is respectively arranged in each rectangular through hole 4, and an outer support plate 18 is arranged between the left and right adjacent moving mechanisms; an inner plate bracket assembly is arranged between the "U"-shaped grooves 3 of each first positioning ring 1 and the second positioning ring 2, and an inner support plate 19 is arranged between the left and right adjacent inner plate bracket assemblies; a water tank 10 is fixedly connected to the bottom of the outer plate surface of each first positioning ring 1 and the second positioning ring 2.

[0038] The outside of the water tank 10 is distributed in a compressible pleat shape, and a water inlet end 10-3 is provided on the side of the upper part of the water tank 10, and a matching water inlet sealing cover 10-4 is screwed on the outside of the water inlet end 10-3, and a water outlet end 10-1 is provided on the side of the bottom of the water tank 10, and a matching water outlet sealing cover 10-2 is screwed on the outside of the water outlet end 10-1; that is, water is poured in from the water inlet end 10-3, and when not in use, water comes out from the water outlet end 10-1.

[0039] An anti-slip layer 11 is provided on the inner side surface of the top of the first positioning ring 1 and the second positioning ring 2 (to increase the friction between the outer wall of the pipe), and a first guide tube 17 with an internal thread is provided at the lower part of the left and right end surfaces of the inner vertical plates of the first positioning ring 1 and the second positioning ring 2, respectively. A matching first threaded rod 17-1 is rotatably inserted in the first guide tube 17, and the end of the first threaded rod 17-1 passes directly into the interior of the "U"-shaped groove; at least five second guide tubes 13 with internal threads are provided on the left and right end surfaces of the outer vertical plates of the first positioning ring 1 and the second positioning ring 2, respectively. A matching second threaded rod 13-1 is rotatably inserted in two of the second guide tubes 13 on the left and right end surfaces of the outer vertical plates of the first positioning ring 1 and the second positioning ring 2, and the end of the second threaded rod 13-1 passes directly into the interior of the rectangular through hole 4.

[0040] The moving mechanism consists of a positioning column 7, a moving block 8, an end plate 21, a hook plate 9 and a moving block 8-1. Two positioning columns 7 are respectively provided in each rectangular through hole 4. The two ends of the positioning column 7 are respectively fixedly connected to the upper top surface and the lower top surface of the rectangular through hole 4; a moving block 8 is respectively provided in each rectangular through hole 4. The moving block 8 is sleeved on the corresponding positioning column 7. An end plate 21 is provided on the outside of the moving block 8, and a reinforcing rib is provided at the bottom of the end plate 21; the end plate 21 and the moving block 8 are distributed in an "L" shape, and an inverted "L" shaped rib is provided at the end of the end plate 21. The hook plate 9 has two third guide tubes 14 with internal threads on the top surface of the hook plate 9, and a matching third threaded rod 15 is rotatably inserted in each third guide tube 14, and the end of the third threaded rod 15 passes directly through the interior of the top surface of the hook plate 9; an outer support plate 18 is provided between the left and right adjacent end plates, and each outer support plate 18 is respectively located on the end plate 21 below the corresponding hook plate 9, and is tightened and fixed together by the third threaded rod 8-3, that is, in the left and right adjacent support assemblies, an outer support plate 18 is respectively provided between the outer plate surfaces of the positioning ring.

[0041] A moving block 8-1 is provided on both sides of the end plate 21, and the distance between the inner side surface of the moving block 8-1 and the outer side surface of the corresponding positioning ring (the first positioning ring or the second positioning ring) is 0.1mm. A fourth guide tube 8-2 with an internal thread is provided on each moving block 8-1, and a matching fourth threaded rod 8-3 is rotatably inserted in the fourth guide tube 8-2, and the end of the fourth threaded rod 8-3 passes directly through the inner side surface of the moving block 8-1; at least five first positioning holes 12 distributed in a vertical row are provided at the position of the outer side surface of the positioning ring corresponding to each fourth threaded rod 8-3, and the fourth threaded rod 8-3 is inserted in the corresponding first positioning hole 12 to fix the end plate and the outer side surface of the corresponding positioning ring together (that is, the fourth threaded rod 8-3 is inserted in the fourth guide tube 8-2 and inserted in the corresponding first positioning hole 12 to fix the end plate and the outer side surface of the corresponding first positioning ring or the outer side surface of the second positioning ring together).

[0042] There is no contact between the outer walls of the two ends of the moving block 8 and the inner walls of the rectangular through hole 4. Two positioning holes are respectively provided on the two end surfaces of the moving block 8. The second threaded rod 13-1 is rotated and inserted into the corresponding second guide tube 13 in turn, and is inserted into the positioning holes on the two end surfaces of the moving block 8 to fix the moving block 8 to the outer plate surface of the corresponding positioning ring; the moving block 8 can move up and down in the rectangular through hole 4 along the positioning column 7; that is, the positions of the positioning holes at both ends of the moving block 8 correspond to the positions of the second guide tube 13 on the outer plates of the first positioning ring 1 and the second positioning ring 2; and the spacing between the upper and lower positioning holes distributed vertically at both ends of the moving block 8 is the same as the spacing between the upper and lower second guide tubes 13 on the outer plates of the first positioning ring 1 and the second positioning ring 2.

[0043] The inner plate bracket assembly consists of a first vertical plate 5, a second vertical plate 6, an insert 6-2 and an insert tube 5-2. The first vertical plate 5 is located in the U-shaped groove 3 of the first positioning ring 1, and the second vertical plate 6 is located in the U-shaped groove 3 of the second positioning ring 1. The first vertical plate 5 and the second vertical plate 6 can move up and down in the corresponding U-shaped groove 3 respectively; two vertical rows of positioning holes are respectively provided on both sides of the first vertical plate 5 and the second vertical plate 6, and each vertical row of positioning holes is composed of at least ten second positioning holes 16; the first vertical plate 5 is rotated and inserted into the corresponding first guide tube 17 through the first threaded rod 17-1 at the bottom of the inner plate surface of the first positioning ring 1 at both ends, and is inserted into the corresponding second positioning hole 16 for rotation. The second vertical plate 6 is fixed in the row; the second vertical plate 6 is rotated and inserted into the corresponding first guide tube 17 through the first threaded rod 17-1 at the bottom of the inner plate surface of the second positioning ring 2, and is inserted into the corresponding second positioning hole 16 to fix the second vertical plate 6 to the U-shaped groove; an insertion tube 5-2 is provided at the lower end of the first vertical plate 5, and the insertion tube 5-2 and the first vertical plate 5 are distributed in an "L" shape; an insertion block 6-2 is provided at the lower end of the second vertical plate 6, and the insertion block 6-2 and the second vertical plate 6 are distributed in an "L" shape; the insertion block 6-2 is inserted in the insertion tube 5-2, and is rotated and inserted into the corresponding fifth guide tube 20 with an internal thread through the fifth threaded rod 20-1 to fix the insertion block 6-2 to the insertion tube 5-2.

[0044] At least five third positioning holes 6-3 are provided on the right side of the insert block 6-2, and a fifth guide tube 20 with an internal thread is provided at the front end of the right side of the insert tube 5-2. A matching fifth threaded rod 20-1 is rotatably inserted in the fifth guide tube 20, and the end of the fifth threaded rod 20-1 passes directly through the interior of the insert tube 5-2 and is inserted in the corresponding third positioning hole 6-3; positioning screws 5-1 are respectively provided at both ends of the upper end surface of the insert tube 5-2, and the inner support plates 19 are located on the left and right adjacent insert tubes 5-2 and are sleeved on the corresponding positioning screws 5-1; the upper end of the positioning screw 5-1 extends out of the inner support plate 19 and is fixed by a matching nut, that is, the matching nut is screwed on the positioning screw 5-1 that extends out of the inner support plate 19 to fix the inner support plate 19 to the insert tube.

[0045] The construction method of the above-mentioned large-diameter heating pipe outdoor construction support device includes the following steps:

[0046] 1) Construction preparation:

[0047] a. Use a water pump to pump out the water in the ditch;

[0048] b. Place the pipe in the trench using a truck crane;

[0049] c. Use the aligner to align the adjacent pipe openings;

[0050] d. Lay out and measure, marking A, B, C, and D at 2.5 meters on both sides of the two pipe openings; measure the trench height and determine the position of the moving mechanism and the inner plate support assembly on the bottom surface outside the trench in advance; measure the distance between the two parallel pipes and determine the distance between the first riser 5 and the second riser 6;

[0051] 2) Place each set of support assemblies 2.5 meters on both sides of the pipe orifice. Place the two first positioning rings 1 and the two second positioning rings 2 at marks A, B, C, and D, respectively, so that the two sets of support assemblies are symmetrically distributed on the pipes on both sides of the pipe orifice.

[0052] 3) Ladders are placed on both sides of the trench near the inner wall, so that the ladders are in an inclined state; workers stand on the ladders and fill water into the four water tanks 10 through the water pipes. After filling, the water outlet sealing caps 10-2 are screwed to the water outlets;

[0053] 4) Insert the outer support plate 18 between the end plates on both sides of the adjacent support assemblies, and rotate and insert it into the third guide tube 14 through the third threaded rod 15 to tighten and fix the inner support plate 18;

[0054] 5) Dig matching holes at the ends of the inner support plate 19 at the positions of the positioning screws 5-1 on the insert 5-2 in the middle of the adjacent support assembly, place the inner support plate 19 on the insert 5-2 in the middle of the adjacent support assembly, so that the positioning screws 5-1 on the adjacent insert 5-2 are inserted into the holes at the ends of the corresponding inner support plate 19, and screw matching nuts on the top of each positioning screw 5-1.

[0055] In the above description, the size of the moving block 8 matches the size of the rectangular through hole; the first vertical plate 5 and the second vertical plate 6 respectively match the corresponding U-shaped grooves.

[0056] In the above description, the height of the outer vertical plates of the first positioning ring 1 and the second positioning ring 2 is determined according to the depth of the trench. That is, when the water tank 10 is filled with water, the bottom of the water tank is located on the bottom surface of the trench. Since the water tank is very heavy, it plays a positioning role for the first positioning ring and the second positioning ring.

[0057] In the above description, matching through holes should be dug at the positions of the positioning screws 5 - 1 at both ends of the inner support plate so that the positioning screws 5 - 1 can be inserted into the corresponding through holes.

[0058] Working principle:

[0059] 1. When in use, the distance between the two support components is less than or equal to five meters. This device is suitable for construction operations where two trench pipes are discharged in parallel;

[0060] 2. Before use, fill the water tank 10 with water, measure the construction height in advance, that is, the position of the outer wall of the pipe to be welded, adjust the position of the first vertical plate 5 and the second vertical plate 6 so that the first vertical plate 5 and the second vertical plate 6 are in a horizontal state; at the same time, adjust the position of the end plate, then place an inner support plate 19 on the insert between the two sets of support components, and screw the matching nut on the positioning screw 5-1 located above the inner support plate 19 to fix the inner support plate 19 to the insert;

[0061] 3. An outer positioning plate is inserted between the adjacent left and right end plates, and is rotated and inserted into the corresponding third guide tube 14 through the third threaded rod 15 to tighten and fix the outer positioning plate.

[0062] 4. When in use, the workers only need to stand on the inner support plate or the outer support plate for construction; pay attention to the height of the moving mechanism and the inner plate bracket assembly, which should be determined according to the construction position and height of the workers.

[0063] 5. If you need to adjust the height of the mobile mechanism and the inner plate bracket assembly during use, just use a ladder and place it obliquely in the trench. The staff will step on the ladder and adjust the position of the mobile mechanism and the inner plate bracket assembly by loosening the corresponding threaded rods, and then tighten the corresponding threaded rods to fix them.

[0064] 6. In the above description, the position of the plug in the plug plate is adjusted according to the distance between the two parallel pipes, and the fifth threaded rod 20-1 is inserted into the corresponding fifth guide tube 20 and inserted into the third positioning hole 6-3 on the side of the plug for fixation.

[0065] The present invention arranges outer support plates between adjacent end plates and inner support plates between adjacent inserts. During construction, workers only need to stand on corresponding support plates to perform welding operations on the pipe openings, avoiding slipping or unstable center of gravity during construction, improving welding work quality and work efficiency, and ensuring the personal safety of workers.

Claims

1. A large-diameter heating pipe outdoor construction support device, including a support assembly, characterized in that: The support components are divided into two groups, and each group of support components is composed of a first positioning ring and a second positioning ring. The first positioning ring and the second positioning ring are both in a "U" shape with a semicircular arc at the top and an opening downward; a "U"-shaped groove is dug on the inner plate surface of each of the first positioning ring and the second positioning ring, and a rectangular through hole is dug on the outer plate surface of each of the first positioning ring and the second positioning ring. A moving mechanism is respectively provided in each rectangular through hole, and an outer support plate is provided between the left and right adjacent moving mechanisms; an inner plate bracket assembly is provided between the "U"-shaped grooves of each of the first positioning ring and the second positioning ring, and an inner support plate is provided between the left and right adjacent inner plate bracket assemblies; in each of the The bottoms of the outer plates of the first positioning ring and the second positioning ring are respectively fixedly connected to the water tank; the outside of the water tank is distributed in a compressible pleat shape, and a water inlet end is provided on the side of the upper part of the water tank, and a matching water inlet sealing cover is rotatably screwed on the outside of the water inlet end, and a water outlet end is provided on the side of the bottom of the water tank, and a matching water outlet sealing cover is rotatably screwed on the outside of the water outlet end; an anti-slip layer is provided on the inner side surfaces of the tops of the first positioning ring and the second positioning ring, and a first guide tube with an internal thread is respectively provided on the lower parts of the left and right end surfaces of the inner vertical plates of the first positioning ring and the second positioning ring, and a matching first threaded rod is rotatably inserted in the first guide tube, and the end of the first threaded rod Straight through the interior of the "U"-shaped groove; at least five second guide tubes with internal threads are respectively provided on the left and right end surfaces of the outer vertical plates of the first positioning ring and the second positioning ring, and matching second threaded rods are rotatably inserted into two of the second guide tubes on the left and right end surfaces of the outer vertical plates of the first positioning ring and the second positioning ring, and the ends of the second threaded rods pass straight through the interior of the rectangular through hole; the moving mechanism consists of a positioning column, a moving block, an end plate and a hook plate, and two positioning columns are respectively provided in each rectangular through hole, and the two ends of the positioning column are respectively fixedly connected to the upper top surface and the lower top surface of the rectangular through hole; a moving block is respectively provided in each of the rectangular through holes, and the moving block is sleeved on the corresponding positioning On the column, an end plate is provided on the outside of the moving block, and a reinforcing rib is provided at the bottom of the end plate; the end plate and the moving block are distributed in an "L" shape, and an inverted "L"-shaped hook plate is provided at the end of the end plate, and two third guide tubes with internal threads are provided on the top surface of the hook plate, and a matching third threaded rod is rotatably inserted in each of the third guide tubes, and the end of the third threaded rod passes directly through the interior of the top surface of the hook plate; an outer support plate is provided between the left and right adjacent end plates, and each of the outer support plates is respectively located on the end plate below the corresponding hook plate and is tightly fixed together by the third threaded rod; positioning blocks are respectively provided on both sides of the end plate, and the spacing between the positioning block and the outer plate surface of the corresponding positioning ring is 0.1mm, a fourth guide tube with an internal thread is provided on each of the positioning blocks, a matching fourth threaded rod is rotatably inserted in the fourth guide tube, and the end of the fourth threaded rod passes through the inner side surface of the positioning block; at least five first positioning holes distributed in a vertical row are respectively provided at the position of the outer plate surface of the positioning ring corresponding to each of the fourth threaded rods, and the fourth threaded rod is inserted in the corresponding first positioning hole to fix the end plate and the outer plate surface of the corresponding positioning ring together; the outer walls of the two ends of the moving block do not contact the inner wall of the rectangular through hole, and two vertically distributed positioning holes are respectively provided on the two end surfaces of the moving block, and the second threaded rod The second guide tube is rotated and inserted in sequence into the corresponding second guide tube, and the positioning holes on the two end surfaces of the moving block are inserted to fix the moving block to the outer plate surface of the corresponding positioning ring; the moving block can move up and down along the positioning post in the rectangular through hole; the inner plate bracket assembly consists of a first vertical plate, a second vertical plate, an insert block and an insert cylinder, the first vertical plate is located in the U-shaped groove of the first positioning ring, and the second vertical plate is located in the U-shaped groove of the second positioning ring, and the first vertical plate and the second vertical plate can move up and down in the corresponding U-shaped groove respectively; two vertical rows of positioning holes are respectively provided on both sides of the first vertical plate and the second vertical plate, and each vertical row of positioning holes is from to The cam is fixed to the second end of the second frame by rotating the first threaded rod at the bottom of the inner plate at both ends of the first positioning ring, and is fixed in the corresponding first guide tube; the cam is fixed to the second end of the second frame by rotating the first threaded rod at the bottom of the inner plate at both ends of the second positioning ring, and is fixed in the corresponding second positioning hole; an insert tube is provided at the lower end of the first frame, and the insert tube and the first frame are distributed in an "L" shape; an insert block is provided at the lower end of the second frame, and the insert block and the second frame are distributed in an "L" shape; the insert block is inserted in the insert tube, and is fixed in the corresponding first guide tube by rotating the first threaded rod at the bottom of the inner plate at both ends of the second positioning ring, and is fixed in the corresponding second positioning hole; The insert block is rotatably inserted into the corresponding fifth guide tube with internal threads to secure the insert block to the insert tube. The right side of the insert block is provided with at least five third positioning holes, and the front end of the right side of the insert tube is provided with a fifth guide tube with internal threads. A matching fifth threaded rod is rotatably inserted into the fifth guide tube, and the end of the fifth threaded rod passes directly into the interior of the insert tube and is inserted into the corresponding third positioning hole. Positioning screws are respectively provided at both ends of the upper end surface of the insert tube. The inner support plates are located on the left and right adjacent insert tubes and are sleeved on the corresponding positioning screws. The upper ends of the positioning screws extend out of the inner support plate and are secured by matching nuts.

2. The construction method of the large-diameter heating pipe outdoor construction support device according to claim 1 is characterized in that: The steps include: 1) Construction preparation: a. Use a water pump to pump out the water in the ditch; b. Place the pipe in the trench using a truck crane; c. Use the aligner to align the adjacent pipe openings; d. Lay out and measure, marking A, B, C, and D at 2.5 meters on both sides of the two pipe openings; measure the trench height and determine the position of the moving mechanism and the inner plate support assembly on the bottom surface outside the trench in advance; measure the distance between the two parallel pipes and determine the distance between the first and second vertical plates; 2) Place each set of support assemblies 2.5 meters on both sides of the pipe orifice. Place the two first positioning rings and the two second positioning rings at marks A, B, C, and D respectively, so that the two sets of support assemblies are symmetrically distributed on the pipes on both sides of the pipe orifice. 3) Place ladders on both sides of the trench near the inner wall, making sure the ladders are tilted. Workers stand on the ladders and pour water into the four water tanks through the water pipes. Once filled, screw the water outlet sealing caps to the outlets. 4) inserting an outer support plate between the end plates on both sides of adjacent support assemblies, and rotating the outer support plate into the third guide tube (14) through a third threaded rod to tighten and fix the outer support plate; 5) Dig matching holes at both ends of the inner support plate at the positions corresponding to the positioning screws on the inserts in the middle of the adjacent support assemblies. Place the inner support plate on the inserts in the middle of the adjacent support assemblies so that the positioning screws on the adjacent inserts are inserted into the corresponding holes at both ends of the inner support plate, and tighten the matching nuts on the top of each positioning screw. 6) Stand on the inner support plate and the outer support plate respectively to weld the pipe mouth.

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