High-altitude large valve groove pipe butt-joint splicing device and construction method thereof

Abstract

According to the high-altitude large valve groove pipe butt splicing device and the construction method thereof, the actual requirement of high-altitude large valve groove pipe centering splicing work in an actual construction site can be met, operation is easy and convenient, the construction convenience and the construction efficiency are improved, a right side pipeline is adjusted through the variable-frequency chain hoist, and the right side pipeline is adjusted through the variable-frequency chain hoist; the lifting and descending speed range is wide, the control precision is high, and high-precision centering of the grooved pipe section can be achieved. And the device can be recycled, and only groove aligning devices with different diameters need to be replaced for groove pipes with different pipe diameters. The device is convenient to disassemble, after the groove pipe sections are spliced and installed in a butt joint mode, the bolts on the upper half and the lower half of the groove alignment device are loosened, the chain lock is unlocked, the temporary beam and the variable-frequency chain hoist on the second support are disassembled, and then the device can be disassembled; meanwhile, materials are easy to obtain, manufacturing is easy, cost is low, and safety and durability are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of centering installation of valve groove pipes, in particular to a butt-joining device for high-altitude large-scale valve groove pipes and a construction method thereof. Background Art

[0002] At present, the conventional practice for installing grooved pipes is to assemble two sections of pipes, check and lubricate the gasket of the clamp, and then install the clamp shell of the pipe. When installing the clamp shell, you should first remove a bolt at one end of the clamp shell, put it on the outside of the pipe gasket, move the clamp shell so that the clamp shell fits the groove, and then insert the bolt to position it. When connecting the grooved pipe to the valve, it is advisable to use a short pipe for flange connection first, and then install it in place after positioning welding.

[0003] However, the efficiency of the above-mentioned construction is currently low, especially in high-altitude conditions, and the grooved pipe connection and valve installation work cannot be carried out efficiently and accurately. Summary of the invention

[0004] The object of the present invention is to provide.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A high-altitude large-scale valve groove pipe butt splicing device is used for butt splicing two groove pipe sections, comprising a steel platform, a chain lock fixer, a groove butt splicing device, a bracket 1, a bracket 2 and a support foot; the two groove pipe sections include a groove pipe section 1 and a groove pipe section 2, and the groove pipe section 1 is provided with a valve;

[0007] The first bracket is used to fix the first groove pipe section on the top of the wall, and the second bracket is used to adjustably set the second groove pipe section on the top of the wall;

[0008] The steel platform is arranged horizontally, and one end of the steel platform is temporarily connected to an end of the bracket away from the wall;

[0009] The chain lock fixer adopts an adjustable structure, which is used to connect the two sections of grooved pipe and the steel platform, and adjust the distance between the two sections of grooved pipe and the steel platform, so as to adapt to grooved pipe sections with different pipe diameters;

[0010] The groove joint devices are in two groups, which are respectively sleeved on the groove pipe section 1 and the groove pipe section 2. The two groups of groove joint devices are provided with laser transceiver modules for jointing the groove pipe section 1 and the groove pipe section 2.

[0011] Preferably, each group of the groove aligners is provided with at least four supporting feet, the laser transceiver module is arranged on the supporting feet, and the supporting feet are used to clamp the groove pipe section.

[0012] Preferably, the end of the support leg away from the end connected to the groove joint device is provided with an arc for fitting the groove pipe section.

[0013] Preferably, each group of the groove couplers includes an upper structure and a lower structure, the lower structure of the groove couplers is fixed on the top of the steel platform, the four legs are grouped in pairs and are respectively arranged on the upper structure and the lower structure of the groove couplers, and the upper structure and the lower structure are connected by bolts to adapt to groove pipe sections of different diameters.

[0014] Preferably, each group of the chain lock fixers comprises a chain lock and a fixing bracket, and the top of the chain lock is welded with a fixing bracket;

[0015] The chain lock fixer is fixed to the left and right sides of the steel platform by chain locks, and is used to fix the groove pipe sections at both ends to the steel platform. By adjusting the length of the chain lock, it can be suitable for groove pipe sections of different pipe diameters;

[0016] The fixing bracket is provided with screw holes, and the laser aligner is fixed by bolts for the butt-jointing of the groove pipe section 1 and the groove pipe section 2.

[0017] Preferably, the laser aligner comprises a laser transmitter and a laser receiver, and the laser transmitter and the laser receiver are respectively arranged on each group of the fixed brackets; the laser aligner is connected to the measuring host via a signal line or Bluetooth;

[0018] The second bracket adopts a finished fixed bracket, and a temporary beam is provided on the upper part of the finished fixed bracket. A variable frequency chain hoist is provided on the temporary beam. The variable frequency chain hoist is used to adjust the elevation of the second groove pipe section to achieve high-precision centering of the two groove pipe sections.

[0019] When the laser of the laser transmitter is emitted onto the photoelectric sensor on the laser receiver, the measuring host calculates the displacement, and calculates the horizontal deviation and the vertical deviation; according to the measurement result, the control system controls the variable frequency chain hoist to adjust the position of the groove pipe section 2.

[0020] Preferably, reinforcing ribs are welded on both sides of the steel platform, and the reinforcing ribs are used to strengthen the structure of the steel platform.

[0021] Preferably, a level calibrator is provided on the side of the steel platform, and an adjustment nut is welded at one end away from the bracket. The adjustment nut is observed by the level calibrator, and the level of the steel platform is maintained by adjusting the inclination of the steel platform.

[0022] The present invention also provides a method for manufacturing and installing a high-altitude large-scale valve groove pipe butt joint device, which specifically includes the following:

[0023] Make the platform: prepare steel, reinforcing ribs, adjustment nuts and chain lock fixers, use steel as the steel platform, weld a reinforcing rib on each side of the steel platform; install the chain lock fixer on the left side of the steel platform, and weld and fix the adjustment nut on the right end of the steel platform;

[0024] Making a groove jointer: prepare two rectangular steel plates to make the upper structure and the lower structure of the groove jointer, and use four rectangular steel plates to make four legs. The ends of the legs are provided with an arc, which is put on the groove pipe section to fit the groove pipe section. Laser transceiver modules are installed on the four legs to help the groove pipe sections to be joined;

[0025] The upper structure and the lower structure of the groove joint device each have two legs and are welded and fixed to the groove joint device. The diameter of the groove joint device is determined according to the diameter of the groove pipe section.

[0026] Combine the groove aligner and the steel platform: fix the lower structures of the two sets of groove aligners on the left and right sides of the steel platform by anchoring, and use the laser transceiver modules on the two supporting legs of the lower structure of the groove aligner to perform left and right alignment.

[0027] The present invention also provides a construction method for a high-altitude large-scale valve groove pipe butt joint device, comprising the following steps:

[0028] Step S1: hoisting the groove pipe section 1 with the large valve installed to a high altitude, and fixing the groove pipe section 1 with a bracket 1;

[0029] Step S2: hoist the high-altitude large-scale valve groove pipe butt joint device to a high altitude, so that the steel platform is located below the groove pipe section 1, and temporarily fix the left side of the steel platform and the bracket 1 together; adjust the length of the chain lock fixer, and use the chain lock of the chain lock fixer to fix the groove pipe section 1 and the steel platform together;

[0030] Step S3: installing the upper structure of the groove jointer on the groove pipe segment 1, connecting the upper structure of the groove jointer with the lower structure of the groove jointer fixed on the steel platform by bolts, so that the four legs of the groove jointer clamp the groove pipe segment 1;

[0031] Step S4: Observe the level calibrator on the steel platform and adjust the inclination of the steel platform by adjusting the nut to keep the steel platform level;

[0032] Step S5: a bracket 2 is arranged on the right side, the bracket 2 is a finished product fixing bracket, a temporary beam is arranged on the upper part of the finished product fixing bracket, a variable frequency chain hoist is arranged on the temporary beam, and the variable frequency chain hoist is used to adjust the elevation of the groove pipe section 2 to achieve high-precision centering of the two groove pipe sections; the groove pipe section 2 is hoisted to a high altitude so that the groove pipe section 2 is located above the steel platform, and the groove pipe section 2 is hoisted by the variable frequency chain hoist;

[0033] Step S6: Install the upper structure of another set of groove joint devices on the groove pipe segment 2, connect the upper structure of the groove joint device with the corresponding lower structure of another set of groove joint devices fixed on the steel platform through another set of bolts, so that the four legs of the groove joint device of this set clamp the groove pipe segment 2; use the laser transceiver modules on the two legs corresponding to the lower structures of the two sets of groove joint devices to perform left and right alignment, so as to achieve the butt-jointing of the groove pipe segment 2 and the groove pipe segment 1;

[0034] Step S7: Install the laser aligner on the fixed brackets of the chain lock fixer on the left and right sides with bolts, install the laser transmitter on one set of fixed brackets, and install the laser receiver on the other set of fixed brackets, the laser transmitter emits laser, the laser receiver receives laser, and is connected to the measuring host through a signal line or Bluetooth. When the laser hits the photoelectric sensor on the laser receiver, the host calculates the displacement, and calculates the horizontal deviation and the vertical deviation; according to the measurement result, the control system controls the variable frequency chain hoist to adjust the position of the groove pipe section 2, and the measurement result is controlled within the allowable deviation range, so that the groove pipe section 2 and the groove pipe section 1 are aligned with high precision;

[0035] Step S8: After the groove pipe section 2 and the groove pipe section 1 are aligned, a rubber ring is installed at the grooves of the groove pipe section 2 and the groove pipe section 1, detergent is applied to the rubber ring for lubrication, and the groove pipe section 2 and the groove pipe section 1 are fixedly connected together with a clamp;

[0036] Step S9: After the groove pipe section 2 and the groove pipe section 1 are installed, the bolts connecting the upper structure and the lower structure of the two sets of groove joint devices are loosened, the chain lock of the chain lock fixer is unlocked, and the temporary beam and the variable frequency chain hoist on the bracket 2 are removed to complete the disassembly of the device.

[0037] Compared with the prior art, the present invention has the following beneficial effects:

[0038] (1) Compared with the traditional grooved pipe connection and valve installation, the present invention is suitable for grooved pipes below DN300, can meet the actual needs of the centering and splicing of large-scale high-altitude valve grooved pipes in actual construction sites, is easy to operate, and improves the construction convenience and efficiency.

[0039] (2) The present invention provides a high-altitude large-scale valve groove pipe butt splicing device and its construction method, which includes a laser aligner and a laser transceiver module. The right pipeline is adjusted by a variable frequency chain hoist. The lifting and lowering speed range is wide and the control accuracy is high, which can achieve high-precision alignment of the groove pipe section.

[0040] (3) The high-altitude large-scale valve groove pipe butt splicing device and its construction method provided by the present invention can be recycled. For groove pipes of different diameters, it is only necessary to replace groove butt splicing devices of different diameters.

[0041] (4) The present invention provides a high-altitude large valve groove pipe butt splicing device and a construction method thereof. The device is easy to disassemble. After the groove pipe section butt splicing installation is completed, the bolts of the upper and lower halves of the groove joint device are loosened, the chain lock is unlocked, and the temporary beam and the variable frequency chain hoist on the second bracket are removed to complete the disassembly of the device.

[0042] (5) The invention provides a high-altitude large-scale valve groove pipe butt splicing device and a construction method thereof, which are easy to obtain materials, simple to manufacture, low in cost, safe and durable. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a front view of a high altitude large valve groove pipe butt splicing device according to one embodiment of the present invention;

[0044] Figure 2 The present invention is a side view of a high-altitude large-scale valve groove pipe butt splicing device according to an embodiment of the present invention.

[0045] Figure 3 This is a schematic diagram of the right side bracket arrangement according to an embodiment of the present invention.

[0046] Figure 4 The present invention is a schematic diagram of the construction of a high-altitude large-scale valve groove pipe butt splicing device according to an embodiment of the present invention.

[0047] The serial numbers in the figure are as follows:

[0048] 1. Steel platform; 2. Reinforced ribs; 3. Chain lock; 4. Adjusting nut; 5. Groove adapter; 6. Groove pipe section 1; 7. Groove pipe section 2; 8. Bracket 1; 9. Bracket 2; 9-1. Bracket beam; 10. Valve; 11. Support foot; 12. Bolt; 13. Laser transmitter; 14. Laser receiver; 15. Fixed bracket; 16. Laser transceiver module; 17. Temporary beam; 18. Variable frequency chain hoist. DETAILED DESCRIPTION

[0049] 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.

[0050] like Figures 1 to 4 As shown, a high-altitude large-scale valve groove pipe butt splicing device disclosed in this embodiment is used for butt splicing of two groove pipe sections, including a steel platform 1, a chain lock fixer, a groove butt splicing device 5, a groove pipe section 1 6, a groove pipe section 2 7, a bracket 1 8, a bracket 2 9, a valve 10, a support leg 11, a bolt 12, a laser transmitter 13, a laser receiver 14, a fixed bracket 15, and a laser transceiver module 16.

[0051] In this embodiment, it is necessary to carry out the butt joint and installation of two grooved pipe sections at high altitude, wherein a large valve 10 is provided on one grooved pipe section 1 6. The pipe diameter of the grooved pipe section is below DN300.

[0052] like Figure 3 As shown, the bracket 1 8 is similar to the bracket 2 9, and the two sets of brackets 1 8 are connected by a bracket crossbeam 9-1, which is used to fix the groove pipe section 1 6 on the top of the wall. The two sets of brackets 2 9 are connected by another set of bracket crossbeams 9-1, which is used to adjustably set the groove pipe section 2 7 on the top of the wall.

[0053] The steel platform 1 is arranged horizontally. In the present embodiment, the steel platform 1 is no more than 1.5 m. One end of the steel platform 1 is temporarily connected to the end of the bracket 8 away from the top of the wall.

[0054] The chain lock fixer adopts two sets of adjustable structures, which are used to connect two sections of grooved pipe and the steel platform 1, and adjust the distance between the two sections of grooved pipe and the steel platform 1, so as to adapt to grooved pipe sections with different pipe diameters.

[0055] Each set of chain lock fixers includes a chain lock 3 and a fixing bracket 15, and the fixing bracket 15 is welded on the top of the chain lock 3. The chain lock fixer is fixed to the left and right sides of the steel platform 1 through the chain lock 3, and is used to fix the groove pipe sections at both ends on the steel platform 1. By adjusting the length of the chain lock 3, it can be suitable for groove pipe sections of different diameters. The fixing bracket 15 is provided with screw holes, and the laser aligner is fixed by bolts, which is used for the butt joint of the groove pipe section 1 6 and the groove pipe section 2 7.

[0056] Furthermore, in this embodiment, the length of the chain lock 3 in the chain lock fixer can be suitable for groove pipe sections with different pipe diameters.

[0057] The laser aligner comprises a laser emitter 13 and a laser receiver 14, and the laser emitter 13 and the laser receiver 14 are respectively arranged on each group of fixed brackets 15; the laser aligner is connected to the measuring host through a signal line or Bluetooth.

[0058] The bracket 2 9 adopts a finished fixed bracket, and a temporary beam 17 is provided on the upper part of the finished fixed bracket, and a variable frequency chain hoist 18 is provided on the temporary beam 17. The variable frequency chain hoist 18 is used to adjust the elevation of the groove pipe section 2 7 to achieve high-precision centering of the two groove pipe sections. When the laser of the laser transmitter 13 is emitted on the photoelectric sensor on the laser receiver 14, the measuring host calculates the displacement, and calculates the horizontal deviation and the vertical deviation; according to the measurement results, the variable frequency chain hoist 18 is controlled by the control system to adjust the position of the groove pipe section 2 7.

[0059] Two groups of groove joint devices 5 are used, which are respectively sleeved on the groove pipe section 1 6 and the groove pipe section 2 7. The two groups of groove joint devices 5 are provided with laser transceiver modules 16 for jointing the groove pipe section 1 6 and the groove pipe section 2 7.

[0060] Each set of groove joints 5 includes an upper structure and a lower structure, and four legs 11 are welded on the upper structure and the lower structure. The four legs 11 are arranged in pairs on the upper structure and the lower structure of the groove joint 5, respectively, and the legs 11 are used to clamp the groove pipe section. The upper structure and the lower structure of the groove joint 5 and the four legs 11 can be made of steel plates.

[0061] The lower structure of the groove jointer 5 is fixed on the top of the steel platform 1, and the upper structure and the lower structure are connected by bolts 12 to adapt to groove pipe sections of different diameters. The laser transceiver module 16 is arranged on the support foot 11 of the lower structure.

[0062] Furthermore, in this embodiment, the end of the support leg 11 away from the connecting groove joint device 5 is provided with an arc for fitting and clamping the groove pipe section.

[0063] Furthermore, in the present embodiment, reinforcing ribs 2 are respectively welded on both sides of the steel platform 1 , and the reinforcing ribs 2 are used to strengthen the structure of the steel platform 1 .

[0064] Furthermore, in the present embodiment, a level calibrator is provided on the side of the steel platform 1, and an adjusting nut 4 is welded on the end away from the bracket 8. The adjusting nut 4 is observed by the level calibrator, and the level of the steel platform 1 is maintained by adjusting the inclination of the steel platform 1.

[0065] The present invention also provides a method for manufacturing and installing a high-altitude large-scale valve groove pipe butt joint device, which specifically includes the following:

[0066] Making platform 1: prepare steel sections, reinforcing ribs 2, adjusting nuts 4 and chain lock fixers, use steel sections as steel section platform 1, weld a reinforcing rib 2 on each of the left and right sides of the steel section platform 1; install the chain lock fixer on the left side of the steel section platform 1, and weld and fix the adjusting nut 4 on the right end of the steel section platform 1.

[0067] Making the groove jointer 5: prepare two rectangular steel plates to make the upper structure and the lower structure of the groove jointer 5, and use four rectangular steel plates to make four supporting legs 11. The ends of the supporting legs 11 are provided with an arc, which is put on the groove pipe section to fit the groove pipe section. Laser transceiver modules 16 are installed on the four supporting legs 11 to help the groove pipe sections to be joined.

[0068] The upper structure and the lower structure of the groove joint device 5 each have two legs 11 and are welded and fixed to the groove joint device 5. The diameter of the groove joint device 5 is determined according to the diameter of the groove pipe section.

[0069] Combine the groove aligner 5 and the steel platform 1: fix the lower structures of the two sets of groove aligners 5 on the left and right sides of the steel platform 1 by anchoring, and use the laser transceiver modules on the two legs 11 of the lower structure of the groove aligner 5 to perform left and right alignment.

[0070] like Figure 4 As shown, the present invention also provides a construction method for a high-altitude large-scale valve groove pipe butt joint device, comprising the following steps:

[0071] Step S1: hoist the grooved pipe section 6 with the large valve 10 installed to a high altitude, and fix the grooved pipe section 6 with a bracket 8;

[0072] Step S2: hoist the high-altitude large-scale valve groove pipe butt joint device to a high altitude, so that the steel platform 1 is located below the groove pipe section 1 6, and temporarily fix the left side of the steel platform 1 and the bracket 1 8 together; adjust the length of the chain lock fixer 8, and use the chain lock 3 of the chain lock fixer to fix the groove pipe section 1 6 and the steel platform 1 together;

[0073] Step S3: installing the upper structure of the groove joint device 5 on the groove pipe section 1 6, connecting the upper structure of the groove joint device 5 with the lower structure of the groove joint device 5 fixed on the steel platform 1 through bolts 12, so that the four legs 11 of the groove joint device 5 clamp the groove pipe section 1 6;

[0074] In this embodiment, the lower structure of the groove jointer 5 is fixed on the steel platform 1 by anchoring, and a groove jointer 5 is fixed on the left and right sides of the steel platform 1. The groove jointer 5 on the left is close to the bracket 1 8 and is set in the 1 / 4 position on the left side of the steel platform 1; the groove jointer 5 on the right is set in the right third position of the steel platform 1, and the upper structure and the lower structure of the groove jointer 5 on the right are located in the groove pipe section 2 7. The diameter of the groove jointer 5 is determined according to the diameter of the groove pipe to be installed. By selecting groove jointers 5 of different diameters, it can be suitable for groove pipes of different diameters.

[0075] Step S4: Observe the level calibrator on the steel platform 1, and adjust the inclination of the steel platform 1 by adjusting the nut 4 to keep the steel platform 1 level;

[0076] Step S5: a bracket 2 9 is arranged on the right side, the bracket 2 9 is a finished product fixing bracket, a temporary beam 17 is arranged on the upper part of the finished product fixing bracket, a variable frequency chain hoist 18 is arranged on the temporary beam 17, and the variable frequency chain hoist 18 is used to adjust the elevation of the groove pipe section 2 7 to achieve high-precision centering of the two groove pipe sections; the groove pipe section 2 7 is hoisted to a high altitude so that the groove pipe section 2 7 is located above the steel platform 1, and the groove pipe section 2 7 is hoisted by the variable frequency chain hoist 18;

[0077] Step S6: Install the upper structure of another group of groove joint devices 5 on the groove pipe segment 2 7, connect the upper structure of the groove joint device 5 with the corresponding lower structure of another group of groove joint devices 5 fixed on the steel platform 1 through another group of bolts 12, so that the four legs 11 of the group of groove joint devices 5 clamp the groove pipe segment 2 7; use the laser transceiver modules on the two legs 11 corresponding to the lower structures of the two groups of groove joint devices 5 to perform left and right alignment, so as to achieve the butt-jointing of the groove pipe segment 2 7 and the groove pipe segment 1 6;

[0078] Step S7: A laser aligner is installed on the fixed brackets 15 of the chain lock fixers on the left and right sides with bolts, a laser transmitter 13 is installed on one set of fixed brackets 15, and a laser receiver 14 is installed on another set of fixed brackets 15. The laser transmitter 13 emits laser, and the laser receiver 14 receives laser, which is connected to the measuring host through a signal line or Bluetooth. When the laser hits the photoelectric sensor on the laser receiver 14, the host calculates the displacement, and calculates the horizontal deviation and the vertical deviation; according to the measurement result, the control system controls the variable frequency chain hoist 18 to adjust the position of the groove pipe section 2 7, and the measurement result is controlled within the allowable deviation range, so that the groove pipe section 2 7 and the groove pipe section 1 6 are aligned with high precision;

[0079] Step S8: After the groove pipe section 2 7 and the groove pipe section 1 6 are aligned, the rubber ring is installed at the grooves of the groove pipe section 2 7 and the groove pipe section 1 6, detergent is applied to the rubber ring for lubrication, and the groove pipe section 2 7 and the groove pipe section 1 6 are fixedly connected together with a hoop;

[0080] Step S9: After the groove pipe section 2 7 and the groove pipe section 1 6 are installed, the bolts 12 connecting the upper structure and the lower structure of the two sets of groove joint devices 5 are loosened, the chain lock 3 of the chain lock fixer is unlocked, and the temporary beam 17 and the variable frequency chain hoist 18 on the bracket 2 9 are removed to complete the disassembly of the device.

[0081] The present invention can meet the actual needs of centering and splicing of grooved pipes of large-scale valves at high altitudes at actual construction sites. It is easy to operate, and improves the convenience and efficiency of construction. The right pipeline is adjusted by the variable frequency chain hoist 18, and the lifting and lowering speed range is wide, and the control accuracy is high, so that high-precision centering of the grooved pipe section can be achieved. And the device of the present invention can be recycled. For grooved pipes of different diameters, only groove adapters of different diameters need to be replaced. The present invention is easy to disassemble. After the grooved pipe sections are spliced ​​and installed, the bolts of the upper and lower halves of the groove adapter are loosened, the chain lock is unlocked, and the temporary beam 17 and the variable frequency chain hoist 18 on the second bracket are removed to complete the disassembly of the device. At the same time, the present invention is easy to obtain materials, simple to make, low cost, safe and durable.

[0082] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0083] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0084] 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 high-altitude large-scale valve groove pipe butt splicing device, used for butt splicing of two groove pipe sections, characterized in that: It comprises a steel platform (1), a chain lock fixer, a groove joint device (5), a bracket 1 (8), a bracket 2 (9) and a support foot (11); the two sections of groove pipes comprise a groove pipe section 1 (6) and a groove pipe section 2 (7); the groove pipe section 1 (6) is provided with a valve (10); The bracket one (8) is used to fix the groove pipe section one (6) on the top of the wall, and the bracket two (9) is used to adjustably set the groove pipe section two (7) on the top of the wall; The steel platform (1) is arranged horizontally, and one end of the steel platform (1) is temporarily connected to an end of the bracket (8) away from the wall; The chain lock fixer adopts an adjustable structure, which is used to connect the two sections of grooved pipe and the steel platform (1) and adjust the distance between the two sections of grooved pipe and the steel platform (1) to adapt to grooved pipe sections with different pipe diameters; The groove joint devices (5) are provided in two groups, which are respectively sleeved on the groove pipe section 1 (6) and the groove pipe section 2 (7). The two groups of groove joint devices (5) are provided with laser transceiver modules (16) for jointing the groove pipe section 1 (6) and the groove pipe section 2 (7).

2. A high altitude large valve groove pipe butt joint device according to claim 1, characterized in that: Each group of the groove joint devices (5) is provided with at least four supporting feet (11), the laser transceiver module (16) is arranged on the supporting feet (11), and the supporting feet (11) are used to clamp the groove pipe section.

3. A high altitude large valve groove pipe butt joint device according to claim 1, characterized in that: The end of the support leg (11) away from the end connected to the groove joint device (5) is provided with an arc for fitting the groove pipe section.

4. A high altitude large valve groove pipe butt joint device according to claim 1, characterized in that: Each group of the groove joints (5) comprises an upper structure and a lower structure. The lower structure of the groove joints (5) is fixed on the top of the steel platform (1). The four legs (11) are arranged in groups of two and are respectively arranged on the upper structure and the lower structure of the groove joints (5). The upper structure and the lower structure are connected by bolts (12) and are used to adapt to groove pipe sections of different pipe diameters.

5. A high altitude large valve groove pipe butt joint device according to claim 4, characterized in that: Each group of the chain lock fixers comprises a chain lock (3) and a fixing bracket (15), and the fixing bracket (15) is welded on the top of the chain lock (3); The chain lock fixer is fixed to the left and right sides of the steel platform (1) through the chain lock (3) and is used to fix the groove pipe sections at both ends on the steel platform (1). By adjusting the length of the chain lock (3), it can be suitable for groove pipe sections of different pipe diameters; The fixing bracket (15) is provided with screw holes, through which the laser aligner is fixed, and is used for the butt-jointing of the groove pipe section 1 (6) and the groove pipe section 2 (7).

6. A high altitude large valve groove pipe butt joint device according to claim 5, characterized in that: The laser aligner comprises a laser transmitter (13) and a laser receiver (14), wherein the laser transmitter (13) and the laser receiver (14) are respectively arranged on each group of the fixed brackets (15); the laser aligner is connected to the measuring host via a signal line or Bluetooth; The second bracket (9) is a finished fixed bracket, a temporary beam (17) is provided on the upper part of the finished fixed bracket, a variable frequency chain hoist (18) is provided on the temporary beam (17), and the variable frequency chain hoist (18) is used to adjust the elevation of the second groove pipe section (7) to achieve high-precision centering of the two groove pipe sections; When the laser of the laser transmitter (13) is emitted onto the photoelectric sensor on the laser receiver (14), the measuring host calculates the displacement and the horizontal deviation and the vertical deviation; according to the measurement result, the control system controls the variable frequency chain hoist (18) to adjust the position of the second groove pipe section (7).

7. A high altitude large valve groove pipe butt joint device according to claim 1, characterized in that: Reinforcement ribs (2) are respectively welded on both sides of the steel platform (1), and the reinforcement ribs (2) are used to reinforce the structure of the steel platform (1).

8. The high altitude large valve groove pipe butt joint device according to claim 1 is characterized in that: A level calibrator is provided on the side of the profile steel platform (1), and an adjustment nut (4) is welded to the end away from the bracket (8). The adjustment nut (4) is observed by the level calibrator and the level of the profile steel platform (1) is maintained by adjusting the inclination of the profile steel platform (1).

9. A method for manufacturing and installing a high altitude large valve groove pipe butt joint device based on claims 1-7, characterized in that: The details include: Making a platform (1): preparing steel, reinforcing ribs (2), adjusting nuts (4) and chain lock fixers, using steel as the steel platform (1), welding a reinforcing rib (2) on both sides of the steel platform (1); installing a chain lock fixer on the left side of the steel platform (1), and welding and fixing the adjusting nut (4) on the right end of the steel platform (1); Making a groove jointer (5): preparing two rectangular steel plates to make the upper structure and the lower structure of the groove jointer (5), and making four rectangular steel plates to make four legs (11), the ends of the legs (11) being provided with an arc, and being sleeved on the groove pipe section to fit the groove pipe section, and laser transceiver modules (16) being installed on the four legs (11) to help the groove pipe sections to be jointed; The upper structure and the lower structure of the groove joint device (5) each have two supporting legs 11 and are welded and fixed to the groove joint device (5). The diameter of the groove joint device (5) is determined according to the diameter of the groove pipe section. Combine the groove aligner (5) and the steel platform (1): fix the lower structures of the two sets of groove aligners (5) on the left and right sides of the steel platform (1) by anchoring, and use the laser transceiver modules on the two legs (11) of the lower structure of the groove aligner (5) to perform left and right alignment.

10. A construction method for the high altitude large valve groove pipe butt joint device based on claims 1-7, characterized in that: The steps include: Step S1: hoisting the grooved pipe section 1 (6) equipped with the large valve (10) to a high altitude, and fixing the grooved pipe section 1 (6) with a bracket 1 (8); Step S2: hoist the high-altitude large-scale valve groove pipe butt joint device to a high altitude, so that the steel platform (1) is located below the groove pipe section 1 (6), and temporarily fix the left side of the steel platform (1) and the bracket 1 (8) together; adjust the length of the chain lock fixer (8), and use the chain lock (3) of the chain lock fixer to fix the groove pipe section 1 (6) and the steel platform (1) together; Step S3: installing the upper structure of the groove joint device (5) on the groove pipe section 1 (6), connecting the upper structure of the groove joint device (5) with the lower structure of the groove joint device (5) fixed on the steel platform (1) through bolts (12), so that the four legs (11) of the groove joint device (5) clamp the groove pipe section 1 (6); Step S4: Observe the level calibrator on the steel platform (1), and adjust the inclination of the steel platform (1) by adjusting the nut (4) to keep the steel platform (1) level; Step S5: a second support (9) is arranged on the right side, the second support (9) is a finished product fixing support, a temporary beam (17) is arranged on the upper part of the finished product fixing support, a variable frequency chain hoist (18) is arranged on the temporary beam (17), and the variable frequency chain hoist (18) is used to adjust the elevation of the second groove pipe section (7) to achieve high-precision centering of the two groove pipe sections; the second groove pipe section (7) is hoisted to a high altitude so that the second groove pipe section (7) is located above the steel platform (1), and the second groove pipe section (7) is hoisted by the variable frequency chain hoist (18); Step S6: installing the upper structure of another set of groove joint devices (5) on the groove pipe section 2 (7), connecting the upper structure of the groove joint device (5) with the corresponding lower structure of another set of groove joint devices (5) fixed on the steel platform (1) through another set of bolts (12), so that the four legs (11) of the groove joint device (5) clamp the groove pipe section 2 (7); using the laser transceiver modules on the two legs (11) corresponding to the lower structures of the two sets of groove joint devices (5) to perform left and right alignment, so as to achieve the joint splicing of the groove pipe section 2 (7) and the groove pipe section 1 (6); Step S7: A laser aligner is installed on the fixing brackets (15) of the chain lock fixing devices on the left and right sides with bolts, a laser transmitter (13) is installed on one set of fixing brackets (15), and a laser receiver (14) is installed on the other set of fixing brackets (15), the laser transmitter (13) emits laser light, the laser receiver (14) receives laser light, and is connected to a measuring host through a signal line or Bluetooth. When the laser light hits the photoelectric sensor on the laser receiver (14), the host calculates the displacement, and calculates the horizontal deviation and the vertical deviation. According to the measurement result, the control system controls the variable frequency chain hoist (18) to adjust the position of the grooved pipe section 2 (7), controls the measurement result within the allowable deviation range, and makes the grooved pipe section 2 (7) and the grooved pipe section 1 (6) aligned with high precision. Step S8: After the grooved pipe section 2 (7) and the grooved pipe section 1 (6) are aligned, a rubber ring is installed at the grooves of the grooved pipe section 2 (7) and the grooved pipe section 1 (6), detergent is applied to the rubber ring for lubrication, and the grooved pipe section 2 (7) and the grooved pipe section 1 (6) are fixedly connected together with a clamp; Step S9: After the groove pipe section 2 (7) and the groove pipe section 1 (6) are installed by butting and splicing, the bolts (12) connecting the upper structure and the lower structure of the two sets of groove butt joints (5) are loosened, the chain lock (3) of the chain lock fixer is unlocked, and the temporary beam (17) and the variable frequency chain hoist (18) on the bracket 2 (9) are removed, and the disassembly work of the device is completed.

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