Water conservancy pipeline welding and fixing device

Abstract

The invention discloses a water conservancy pipeline welding fixing device, and relates to the technical field of water conservancy transportation, and particularly relates to a bearing plate, mounting blocks are symmetrically and fixedly mounted on the upper surface of the bearing plate, mounting rods are fixedly connected to the inner walls of the two mounting blocks, and mounting lantern rings are rotatably mounted in the middles of the outer surfaces of the mounting rods; and connecting sleeves are symmetrically and rotationally mounted on the outer surface of the mounting rod, clamping plates are fixedly mounted at the bottoms of the mounting sleeve ring and the connecting sleeves, and the inner walls of the two clamping plates are movably connected with a water conservancy pipeline. According to the water conservancy pipeline welding and fixing device, hot melting treatment of the connecting end of the water conservancy pipeline is achieved by starting the hot melting plate, after heating is completed, the water conservancy pipeline is rapidly lifted and separated after being heated by attaching the movable plate, and compared with a traditional fully-closed pipeline welding and fixing device, the device has the advantages of being convenient to use and high in practicability. According to the device, the complex process that the pipeline needs to be removed along the end of the pipeline after being heated is avoided, and the welding machining efficiency of the water conservancy pipeline can be effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of water conservancy transportation, in particular to a water conservancy pipeline welding and fixing device. Background Art

[0002] Water conservancy pipelines are an important component of water conservancy projects for transporting, distributing and discharging water resources. In water conservancy projects, pipelines play a vital role, just like hidden "blood vessels" responsible for the transportation, distribution and discharge of water resources. They play an indispensable role in ensuring the normal operation of water conservancy systems and the rational use of water resources. Common water conservancy pipelines include steel pipes, cast iron pipes, prestressed reinforced concrete pipes, fiberglass pipes and plastic pipes. The water conservancy pipeline welding fixture is a device specially used to provide fixation and support when welding pipelines in water conservancy projects.

[0003] The water conservancy pipeline welding and fixing device in the existing technology usually adopts a fully enclosed welding and fixing device during the welding and splicing construction of the water conservancy pipeline. After the pipeline is heated, it needs to be removed along the end of the pipeline, which is time-consuming and labor-intensive, reducing the welding processing efficiency of the water conservancy pipeline. The device has a low degree of automation and requires manual splicing of the pipeline, which increases the labor intensity of the construction personnel and reduces the tightness of the welding and splicing of the pipeline. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the shortcomings of the prior art, the present invention provides a water conservancy pipeline welding and fixing device, which has the advantages of convenient disassembly and assembly, time-saving and labor-saving construction, and tight pipeline welding. It solves the problem that in the process of welding and splicing construction of water conservancy pipelines, a fully enclosed welding and fixing equipment is usually used. After the pipeline is heated, it needs to be removed along the end of the pipeline, which is time-consuming and labor-intensive, and reduces the welding processing efficiency of the water conservancy pipeline. The device has a low degree of automation and needs to be manually spliced ​​for the pipeline, which increases the labor intensity of the construction personnel and reduces the tightness of the pipeline welding and splicing.

[0005] (II) Technical solution In order to achieve the above-mentioned purposes of convenient disassembly and assembly, time-saving and labor-saving construction, and tight pipe welding, the present invention provides the following technical solutions: it comprises a receiving plate, the upper surface of the receiving plate is symmetrically fixedly installed with a mounting block, the inner walls of the two mounting blocks are fixedly connected with a mounting rod, the middle part of the outer surface of the mounting rod is rotatably installed with a mounting collar, the outer surface of the mounting rod is symmetrically rotatably installed with a connecting sleeve, the bottom of the mounting collar and the connecting sleeve are both fixedly installed with a clamping plate, the inner walls of the two clamping plates are movably connected with a water conservancy pipeline, the tops of the two clamping plates are provided with sliding grooves, the inner walls of the two sliding grooves are symmetrically slidably installed with movable plates, and the outer walls of the plurality of movable plates are provided with Hot melt plate, a plurality of connecting blocks are fixedly installed on the upper surfaces of the movable plates, a plurality of connecting blocks are provided with connecting covers on the outer walls, a plurality of connecting covers are provided with cables on the outer surfaces and are compatible with the hot melt plate, a through groove is provided in the middle of the lower surface of the connecting plate, an extension plate is fixedly installed on the top of the outer walls of the plurality of movable plates, internal thread grooves are symmetrically provided on the tops of the outer walls of the two clamping plates, external threaded rods are threadedly installed on the upper surfaces of the plurality of extension plates, a mounting shaft is symmetrically provided in the middle of the lower surface of the connecting plate, a mounting plate is movably installed on the outer surfaces of the two mounting shafts, a hydraulic rod is provided on the inner walls of the two mounting plates, and a connecting shaft is provided on the outer surfaces of the two clamping plates.

[0006] Preferably, positioning plates are symmetrically fixedly mounted on the upper surface of the receiving plate, and slide plates are slidably connected to the inner walls of a plurality of the positioning plates.

[0007] Preferably, a rectangular groove is symmetrically provided on the lower surface of one side of the receiving plate close to the positioning plate, and a mounting groove is provided on the upper surfaces of the two sliding plates.

[0008] Preferably, hydraulic cylinders are provided inside the two installation grooves, pressure plates are fixedly installed at the output ends of the two hydraulic cylinders, and cone nails are symmetrically fixedly installed on the lower surfaces of the two pressure plates.

[0009] Preferably, motors are symmetrically arranged on the upper surfaces of the two skateboards, and gears are fixedly mounted on the ends of the output shafts of the plurality of motors.

[0010] Preferably, the upper surfaces of the plurality of positioning plates are symmetrically provided with limiting grooves, and the inner walls of the plurality of limiting grooves are symmetrically fixedly mounted with racks.

[0011] Preferably, the lower surface of the receiving plate is symmetrically and movably connected with a mounting sleeve, and a support plate is fixedly mounted on one side outer wall of a plurality of the mounting sleeves.

[0012] Preferably, the bottoms of the plurality of support plates are provided with self-locking universal wheels, and positioning columns are symmetrically fixedly mounted on the lower surface of the receiving plate and penetrate through the mounting sleeve.

[0013] Preferably, a connecting plate is fixedly connected to the outer walls of the plurality of support plates, and a handle is symmetrically fixedly mounted on the outer wall of the receiving plate.

[0014] Preferably, a lifting ring is symmetrically fixedly installed on the top of the outer wall of the receiving plate, and a baffle is symmetrically fixedly installed on the upper surface of the receiving plate.

[0015] (III) Beneficial effects Compared with the prior art, the present invention provides a water conservancy pipeline welding and fixing device, which has the following beneficial effects: 1. The water conservancy pipeline welding and fixing device connects and fits two movable plates to drive the hot melt plate to correspond to the water conservancy pipeline. After the clamp is closed, the movable plate is unfolded and moved to drive the hot melt plate to fit the inner wall of the water conservancy pipeline. By starting the hot melt plate, the hot melting treatment of the connecting end of the water conservancy pipeline is achieved. After heating, the movable plates are fitted to achieve rapid lifting and separation after heating the water conservancy pipeline. Compared with the traditional fully closed pipeline welding and fixing device, this device avoids the complicated process of removing along the end of the pipeline after heating, and can effectively improve the welding processing efficiency of the water conservancy pipeline.

[0016] 2. The water conservancy pipe welding and fixing device is provided with a rectangular groove on the lower surface of the receiving plate, and the pressure plate is moved to the end of the rectangular groove and moved downward to fit tightly with the water conservancy pipe. In this process, the water conservancy pipe can be clamped and fixed by the cooperation of multiple cone nails. By moving the pressure plate toward the middle of the receiving plate, the heated end of the water conservancy pipe can be driven to connect and splice quickly, which can effectively improve the degree of automation of the device. Compared with the traditional manual splicing processing form, this device can effectively reduce the labor intensity of construction personnel and enhance the tightness of the welding and splicing of the water conservancy pipe.

[0017] 3. The water conservancy pipe welding and fixing device, by separating the device from the supporting mechanism, can perform welding construction on the water conservancy pipe inside the ground groove while the water conservancy pipe is placed inside the ground groove, thereby avoiding the tedious process of frequently moving the water conservancy pipe out of the ground groove for welding construction. The actual use flexibility of the device can be effectively improved, and it is suitable for a variety of water conservancy pipe welding construction sites, and can switch welding construction between the ground pipe and the pipe inside the ground groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional side view schematic diagram of a water conservancy pipeline welding and fixing device structure proposed by the present invention; Figure 2 It is a three-dimensional front view schematic diagram of a water conservancy pipeline welding fixing device structure proposed by the present invention; Figure 3This is a three-dimensional top view schematic diagram of a water conservancy pipeline welding and fixing device structure proposed by the present invention; Figure 4 It is a partial three-dimensional schematic diagram of a water conservancy pipeline welding and fixing device structure proposed by the present invention; Figure 5 It is a partial three-dimensional side cross-sectional schematic diagram of a water conservancy pipeline welding fixing device structure proposed by the present invention; Figure 6 It is a partial three-dimensional side cross-sectional schematic diagram of a water conservancy pipeline welding fixing device structure proposed by the present invention; Figure 7 A three-dimensional cross-sectional schematic diagram of a water conservancy pipeline welding and fixing device structure proposed by the present invention; Figure 8 A three-dimensional side view schematic diagram of a pipeline driving structure of a water conservancy pipeline welding and fixing device proposed by the present invention; Fig. 9 A three-dimensional bottom view schematic diagram of a pipeline driving structure of a water conservancy pipeline welding and fixing device proposed by the present invention; Fig.10 The present invention provides a three-dimensional cross-sectional schematic diagram of a pipeline driving structure of a water conservancy pipeline welding and fixing device.

[0019] In the figure: 1. receiving plate; 2. mounting block; 3. mounting rod; 4. mounting collar; 5. connecting sleeve; 6. clamping plate; 7. water conservancy pipeline; 8. slide groove; 9. movable plate; 10. hot melt plate; 11. connecting block; 12. connecting cover; 13. cable; 14. through groove; 15. extension plate; 16. internal thread groove; 17. external thread rod; 18. mounting shaft; 19. mounting plate; 20. hydraulic rod; 21. connecting shaft; 22. positioning plate; 23. slide plate; 24. rectangular groove; 25. mounting groove; 26. hydraulic cylinder; 27. pressure plate; 28. cone nail; 29. ​​motor; 30. gear; 31. limit groove; 32. rack; 33. mounting sleeve; 34. support plate; 35. self-locking universal wheel; 36. positioning column; 37. connecting plate; 38. handle; 39. lifting ring; 40. baffle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-10, including a receiving plate 1, a mounting block 2 is symmetrically fixedly installed on the upper surface of the receiving plate 1, a mounting rod 3 is fixedly connected to the inner walls of the two mounting blocks 2, a mounting collar 4 is rotatably installed on the middle part of the outer surface of the mounting rod 3, a connecting sleeve 5 is symmetrically rotatably installed on the outer surface of the mounting rod 3, a clamping plate 6 is fixedly installed at the bottom of the mounting collar 4 and the connecting sleeve 5, a water conservancy pipeline 7 is movably connected to the inner walls of the two clamping plates 6, a slide groove 8 is opened on the top of the two clamping plates 6, and a movable plate 9 is symmetrically slidably installed on the inner walls of the two slide grooves 8, and a plurality of movable plates 9 are provided with a hot melt plate 10 on the outer wall, a plurality of movable plates 9 are fixedly installed with a connecting block 11 on the upper surface, a plurality of connecting blocks 11 are provided with a connecting cover 12 on the outer wall, and a plurality of connecting covers 12 are provided with a cable 13 on the outer surface and are compatible with the hot melt plate 10 A through groove 14 is provided in the middle of the lower surface of the receiving plate 1, an extension plate 15 is fixedly installed on the top of the outer wall of the plurality of movable plates 9, an inner thread groove 16 is symmetrically provided on the top of the outer wall of the two clamping plates 6, and an outer thread rod 17 is threadedly installed on the upper surface of the plurality of extension plates 15, and a mounting shaft 18 is symmetrically provided in the middle of the lower surface of the receiving plate 1, and a mounting plate 19 is movably installed on the outer surface of the two mounting shafts 18, and a hydraulic rod 20 is provided on the inner wall of the two mounting plates 19, and a connecting shaft 21 is provided on the outer surface of the two clamping plates 6. After the clamping plates 6 are closed, the movable plates 9 are unfolded and moved to drive the hot melt plate 10 to fit the inner wall of the water conservancy pipe 7, and the hot melt treatment of the connecting end of the water conservancy pipe 7 is realized by starting the hot melt plate 10. After heating is completed, the movable plate 9 is fitted together to realize the connection between the two clamping plates 6 and the hydraulic pipe 7. After the water conservancy pipe 7 is heated, it is quickly lifted up and separated. Compared with the traditional fully closed pipe welding and fixing device, this device avoids the complicated process of removing the pipe along the end after heating the pipe, and can effectively improve the welding processing efficiency of the water conservancy pipe 7. The upper surface of the receiving plate 1 is symmetrically fixed with a positioning plate 22, and the inner walls of multiple positioning plates 22 are slidably connected with a slide plate 23. The lower surface of the receiving plate 1 close to the positioning plate 22 is symmetrically provided with a rectangular groove 24, and the upper surfaces of the two slide plates 23 are provided with mounting grooves 25. The two mounting grooves 25 are provided with hydraulic cylinders 26 inside. The output ends of the two hydraulic cylinders 26 are fixedly provided with a pressing plate 27, and the lower surfaces of the two pressing plates 27 are symmetrically fixed with a cone nail 28. The upper surfaces of the two slide plates 23 are symmetrically provided with a motor 2 9. Gears 30 are fixedly installed on the output shaft ends of multiple motors 29. Limiting grooves 31 are symmetrically provided on the upper surfaces of multiple positioning plates 22. Racks 32 are symmetrically fixedly installed on the inner walls of multiple limiting grooves 31. Through the cooperation of multiple cone nails 28, the clamping and fixing with the water conservancy pipeline 7 is realized. By moving the pressing plate 27 toward the middle of the receiving plate 1, the heating end of the water conservancy pipeline 7 can be driven to connect and splice quickly, which can effectively improve the degree of automation of the device. Compared with the traditional manual splicing processing form, the device can effectively reduce the labor intensity of construction personnel and enhance the tightness of the fusion splicing of the water conservancy pipeline 7. The lower surface of the receiving plate 1 is symmetrically and movably connected with the mounting sleeve 33. The outer wall of one side of the multiple mounting sleeves 33 is fixedly installed with a support plate 34.A self-locking universal wheel 35 is provided at the bottom of the plurality of support plates 34, a positioning column 36 is symmetrically fixedly installed on the lower surface of the receiving plate 1 and penetrates the mounting sleeve 33, a connecting plate 37 is fixedly connected to the outer wall of the plurality of support plates 34, a handle 38 is symmetrically fixedly installed on the outer wall of the receiving plate 1, a lifting ring 39 is symmetrically fixedly installed on the top of the outer wall of the receiving plate 1, and a baffle 40 is symmetrically fixedly installed on the upper surface of the receiving plate 1. By arranging the lifting ring 39 on the outer wall of the receiving plate 1, the lifting equipment can drive the device to lift and move. By separating the device from the supporting mechanism, when the water conservancy pipeline 7 inside the ground groove is welded, the device can be placed in the ground groove for welding construction, avoiding the tedious process of frequently moving the water conservancy pipeline 7 out of the ground groove for welding construction, and can effectively improve the actual use flexibility of the device. It is suitable for a variety of water conservancy pipeline 7 welding construction sites, and can switch welding construction between the ground pipeline and the pipeline inside the ground groove.

[0022] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0023] When in use, first fix the device in a specific area according to the actual situation of the water conservancy pipeline 7 welding construction site, and set the mounting block 2 on the upper surface of the receiving plate 1. The two mounting blocks 2 are located in the same horizontal plane, which are used to support and position the mounting rod 3. The mounting ring 4 and the connecting sleeve 5 are set on the outer surface of the mounting rod 3, and the two clamping plates 6 are supported by rotation and connection, so that the clamping plates 6 can rotate and swing along the mounting rod 3. The two clamping plates 6 are both arranged in a semicircular structure to achieve a closed ring structure for clamping and positioning the connecting end of the water conservancy pipeline 7. In this process, the sliding groove 8 is set on the outer wall of the clamping plate 6 to achieve the clamping and positioning of the movable plate 9, so that the movable plate 9 can slide along the inner wall of the clamping plate 6. , and synchronously drives the hot melt plate 10 to connect with the end of the water conservancy pipe 7, by arranging a connecting block 11 on the top of the movable plate 9, and through the cooperation of the connecting cover 12, it is used to support and position the cable 13, and by arranging an extension plate 15 on the outer wall of the movable plate 9, the support and positioning of the external threaded rod 17 is realized, and through the adaptive connection with the internal thread groove 16, it is used to fix the moving position of the movable plate 9. In actual use, the clamping plate 6 is pre-expanded and the receiving plate 1 is placed on the top of the water conservancy pipe 7. At the same time, a mounting plate 19 is arranged on the outer surface of the mounting shaft 18 for active support of the hydraulic rod 20, and through the rotational connection and cooperation of the connecting shaft 21, an active connection with the clamping plate 6 is realized, and by starting the hydraulic rod 20, the clamping plate 6 can be driven The plate 6 automatically rotates and opens and closes along the mounting rod 3, and by connecting and fitting the two movable plates 9, the hot melt plate 10 is driven to correspond to the water conservancy pipe 7. After the clamping plate 6 is closed, the movable plate 9 is unfolded and moved to drive the hot melt plate 10 to fit the inner wall of the water conservancy pipe 7. By starting the hot melt plate 10, the hot melt treatment of the connecting end of the water conservancy pipe 7 is achieved. By arranging a positioning plate 22 on the upper surface of the receiving plate 1, the two positioning plates 22 are located in the same horizontal plane, which are used to support and position the slide plate 23, so that the slide plate 23 can move horizontally along the positioning plate 22. By arranging a mounting groove 25 on the upper surface of the slide plate 23, it is used to support and fix the hydraulic cylinder 26. By starting the hydraulic cylinder 26, it is used to drive the pressure plate 27 to move up and down, and the bottom of the pressure plate 27 is in the shape of an arc. The plurality of cone nails 28 are arranged to synchronously drive the movement, and the plurality of cone nails 28 are distributed in a rectangular array to achieve fitting with the top of the water conservancy pipe 7 directly below. In actual use, a motor 29 is arranged on the upper surface of the slide plate 23 to drive the gear 30 to rotate, and a limiting groove 31 is arranged on the upper surface of the positioning plate 22 to achieve support and positioning of the plurality of racks 32, and the positioning plate 22 is meshed and connected with the corresponding gears 30 to achieve automatic movement of the slide plate 23 along the positioning plate 22. A rectangular groove 24 is arranged on the lower surface of the receiving plate 1, and the pressing plate 27 is moved to the end of the rectangular groove 24 and moved downward to fit closely with the water conservancy pipe 7. In this process, the plurality of cone nails 28 can cooperate to achieve clamping and fixing with the water conservancy pipe 7.By moving the pressing plate 27 toward the middle of the receiving plate 1, the heating end of the water conservancy pipe 7 can be driven to connect and splice quickly. By setting a plurality of positioning columns 36 on the lower surface of the receiving plate 1 and distributing them in a rectangular array, the plurality of positioning columns 36 are slidably connected and matched with the mounting sleeve 33. By passing the plurality of positioning columns 36 through the mounting sleeve 33, and through the cooperation of the support plate 34 and the self-locking universal wheel 35, it is used to support and fix the device, and can drive the device to move. By setting a connecting plate 37 on the outer wall of the support plate 34, it is used to connect and support the support plate 34. In actual use, by setting a handle 38 on the outer wall of the receiving plate 1, personnel can hold the device and lift it up to achieve the rapid separation of the device and the support plate 34. At the same time, by setting a lifting ring 39 on the outer wall of the receiving plate 1, the lifting equipment can drive the device to lift and move.

[0024] In summary, the water conservancy pipeline welding and fixing device is used to support and position the cable 13 by arranging a connecting block 11 on the top of the movable plate 9 and cooperating with the connecting cover 12, and is used to support and position the external threaded rod 17 by arranging an extension plate 15 on the outer wall of the movable plate 9, and is used to fix the moving position of the movable plate 9 by adapting and connecting with the internal thread groove 16. In actual use, the clamping plate 6 is pre-expanded and the receiving plate 1 is placed on the top of the water conservancy pipeline 7. At the same time, a mounting plate 19 is arranged on the outer surface of the mounting shaft 18 to support the movable hydraulic rod 20, and is movably connected with the clamping plate 6 through the rotational connection cooperation of the connecting shaft 21. By starting the hydraulic rod 20, the clamping plate 6 can be driven It automatically rotates and opens and closes along the mounting rod 3, and by connecting and fitting the two movable plates 9, the hot melt plate 10 is driven to correspond to the water conservancy pipe 7. After the clamping plate 6 is closed, the movable plate 9 is unfolded and moved to drive the hot melt plate 10 to fit the inner wall of the water conservancy pipe 7. By starting the hot melt plate 10, the hot melting treatment of the connecting end of the water conservancy pipe 7 is realized. After heating is completed, by fitting the movable plate 9, the water conservancy pipe 7 can be quickly lifted up and separated after heating. Compared with the traditional fully closed pipe welding and fixing device, this device avoids the complicated process of removing along the end of the pipe after heating the pipe, and can effectively improve the welding processing efficiency of the water conservancy pipe 7. A motor 29 is set on the upper surface of the slide plate 23 to drive the gear 30 to rotate. During operation, by setting a limit groove 31 on the upper surface of the positioning plate 22, the support and positioning of multiple racks 32 are achieved, and they are meshed and connected with the corresponding gears 30, so as to drive the slide plate 23 to automatically move along the positioning plate 22. By setting a rectangular groove 24 on the lower surface of the receiving plate 1, by moving the pressing plate 27 to the end of the rectangular groove 24 and moving it down to fit tightly with the water conservancy pipe 7, in this process, the water conservancy pipe 7 can be clamped and fixed through the cooperation of multiple cone nails 28. By moving the pressing plate 27 toward the middle of the receiving plate 1, the heated end of the water conservancy pipe 7 can be driven to connect and splice quickly, which can effectively improve the degree of automation of the device. Compared with the traditional manual splicing processing, the device can effectively reduce the construction time. The labor intensity of the personnel is reduced, and the tightness of the welding and splicing of the water conservancy pipe 7 is enhanced. By arranging a handle 38 on the outer wall of the receiving plate 1, the personnel can hold the device and lift it to achieve the rapid separation of the driving device and the support plate 34. At the same time, by arranging a lifting ring 39 on the outer wall of the receiving plate 1, the lifting equipment can drive the device to lift and move. By separating the device from the supporting mechanism, when the water conservancy pipe 7 inside the ground groove is welded, the device can be placed in the ground groove for welding construction, avoiding the tedious process of frequently moving the water conservancy pipe 7 out of the ground groove for welding construction, and can effectively improve the actual use flexibility of the device. It is suitable for a variety of water conservancy pipe 7 welding construction sites.It can switch and weld between the ground pipeline and the pipeline inside the ground trench, which is suitable for popularization.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise one" do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water conservancy pipeline welding and fixing device, comprising a receiving plate (1), characterized in that: The upper surface of the receiving plate (1) is symmetrically fixedly mounted with a mounting block (2), the inner walls of the two mounting blocks (2) are fixedly connected with a mounting rod (3), the middle part of the outer surface of the mounting rod (3) is rotatably mounted with a mounting collar (4), the outer surface of the mounting rod (3) is symmetrically rotatably mounted with a connecting sleeve (5), the bottoms of the mounting collar (4) and the connecting sleeve (5) are both fixedly mounted with a clamping plate (6), the inner walls of the two clamping plates (6) are movably connected with a water conservancy pipeline (7), the tops of the two clamping plates (6) are provided with a slide groove (8), the inner walls of the two slide grooves (8) are symmetrically slidably mounted with a movable plate (9), the outer walls of the plurality of movable plates (9) are provided with a hot melt plate (10), the upper surfaces of the plurality of movable plates (9) are fixedly mounted with a connecting block (11), and the plurality of connecting The outer wall of the connecting block (11) is provided with a connecting cover (12), and the outer surfaces of the connecting covers (12) are provided with cables (13) and are compatible with the hot melt plate (10). A through groove (14) is provided in the middle of the lower surface of the receiving plate (1), and an extension plate (15) is fixedly installed on the top of the outer wall of the plurality of movable plates (9). The outer wall tops of the two clamping plates (6) are symmetrically provided with internal thread grooves (16), and the upper surfaces of the plurality of extension plates (15) are threadedly installed with external thread rods (17). The middle of the lower surface of the receiving plate (1) is symmetrically provided with mounting shafts (18), and the outer surfaces of the two mounting shafts (18) are movably provided with mounting plates (19), and the inner walls of the two mounting plates (19) are provided with hydraulic rods (20), and the outer surfaces of the two clamping plates (6) are provided with connecting shafts (21).

2. A water conservancy pipeline welding and fixing device according to claim 1, characterized in that: Positioning plates (22) are symmetrically fixedly mounted on the upper surface of the receiving plate (1), and slide plates (23) are slidably connected to the inner walls of a plurality of the positioning plates (22).

3. A water conservancy pipeline welding and fixing device according to claim 2, characterized in that: A rectangular groove (24) is symmetrically formed on the lower surface of one side of the receiving plate (1) close to the positioning plate (22), and a mounting groove (25) is formed on the upper surfaces of the two sliding plates (23).

4. A water conservancy pipeline welding and fixing device according to claim 3, characterized in that: A hydraulic cylinder (26) is provided inside the two installation grooves (25), a pressing plate (27) is fixedly mounted on the output ends of the two hydraulic cylinders (26), and a cone nail (28) is symmetrically fixedly mounted on the lower surfaces of the two pressing plates (27).

5. A water conservancy pipeline welding and fixing device according to claim 4, characterized in that: Motors (29) are symmetrically arranged on the upper surfaces of the two slide plates (23), and gears (30) are fixedly mounted on the ends of the output shafts of the plurality of motors (29).

6. A water conservancy pipeline welding and fixing device according to claim 5, characterized in that: Limiting grooves (31) are symmetrically provided on the upper surfaces of the plurality of positioning plates (22), and racks (32) are symmetrically fixedly mounted on the inner walls of the plurality of limiting grooves (31).

7. A water conservancy pipeline welding and fixing device according to claim 1, characterized in that: The lower surface of the receiving plate (1) is symmetrically and movably connected with a mounting sleeve plate (33), and a support plate (34) is fixedly mounted on one side outer wall of a plurality of the mounting sleeve plates (33).

8. A water conservancy pipeline welding and fixing device according to claim 7, characterized in that: A self-locking universal wheel (35) is provided at the bottom of the plurality of support plates (34), and a positioning column (36) is symmetrically fixedly mounted on the lower surface of the receiving plate (1) and penetrates the mounting sleeve plate (33).

9. A water conservancy pipeline welding and fixing device according to claim 8, characterized in that: The outer walls of the plurality of support plates (34) are fixedly connected to a connecting plate (37), and the outer wall of the receiving plate (1) is symmetrically fixedly mounted with a handle (38).

10. A water conservancy pipeline welding and fixing device according to claim 9, characterized in that: A lifting ring (39) is symmetrically fixedly mounted on the top of the outer wall of the receiving plate (1), and a baffle (40) is symmetrically fixedly mounted on the upper surface of the receiving plate (1).

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