Welding device for agricultural water conservancy construction pipeline

Abstract

The invention belongs to the technical field of welding devices, particularly relates to a welding device for an agricultural water conservancy construction pipeline, and aims to solve the problem that an existing welding device cannot collect and utilize heat generated in the welding process, so that the resource utilization rate is low. The two first conductor rails are both mounted on the rack; the two second conductor rails are both located on one side of the rack; the rotating device is arranged on the rack; the clamping device is arranged on one side of the rotating device; the number of the interval adjusting devices is two, and the two interval adjusting devices are both arranged on the two first conductor rails; the number of the rolling devices is two; heat generated in the welding process can be collected and utilized, and therefore the purpose of improving the resource utilization rate is achieved.

Description

Technical Field

[0001] This application relates to the technical field of welding devices, and in particular to a welding device for agricultural water conservancy construction pipelines. Background Art

[0002] During the process of agricultural water conservancy construction, operators need to use welding equipment to weld pipelines. Welding equipment is a processing device for joining metals or other thermoplastic materials.

[0003] The patent document with the publication number CN112045360A discloses a welding device for water conservancy construction pipelines, including a support, a controller, a power cord, a cylinder, a mounting seat, a first motor, a mounting plate, a welding head, and an auxiliary support device. In this invention, an auxiliary support device is installed in front of the support, and a lifting mechanism is installed inside the auxiliary support device. The lifting mechanism can, under the action of the handwheel driving the threaded rod, make the two groups of linkage rods at the upper end move, realizing the lifting of the pipeline, and can realize stable adjustment of the height position, which is convenient to operate and reduces manpower; a transmission mechanism is installed on the top of the protruding plate inside the auxiliary support device, and an intermittent mechanism is arranged inside the transmission mechanism. The intermittent mechanism is driven by an independent motor, and the rear end of the transmission mechanism is fixed to the pipeline through a rotating cylinder, so that the pipeline can be stably adjusted in angle during welding.

[0004] The patent document with the publication number CN117983965B discloses a welding device for water conservancy construction pipelines, including a bottom plate. The bottom plate is a rectangular plate made of metal, and its function is to support the entire welding device. Four bases are fixedly connected to the upper side of the bottom plate. A threaded rod is rotatably connected inside the base. A threaded block is threadedly connected to the outside of the threaded rod. A fixing plate is fixedly connected to the upper side of the threaded block. One side of the threaded rod penetrates through the base and is fixedly connected with a belt pulley. A belt is sleeved between two adjacent belt pulleys. Through the mutual cooperation of the bottom plate, the base, the threaded rod, the threaded block, the fixing plate, the belt pulley, the belt, and the fixing component, during the process of welding the water conservancy construction pipeline, the water conservancy construction pipeline can be fixed and aligned, so that during the welding process, the pipeline will not shift, thereby affecting the welding quality.

[0005] However, the existing welding devices cannot collect and utilize the heat generated during the welding process, resulting in the problem of low resource utilization rate. Therefore, a welding device for agricultural water conservancy construction pipelines is proposed. Summary of the Invention

[0006] In order to improve the problem that the existing welding devices cannot collect and utilize the heat generated during the welding process, resulting in low resource utilization rate, this application provides a welding device for agricultural water conservancy construction pipelines.

[0007] The welding device for agricultural water conservancy construction pipes provided by this application adopts the following technical solution:

[0008] A welding device for agricultural water conservancy construction pipes, comprising:

[0009] A frame; two first conductive rails, both of which are installed on the frame; two second conductive rails, both of which are located on one side of the frame; a rotating device, which is arranged on the frame; a clamping device, which is arranged on one side of the rotating device; two spacing adjusting devices, both of which are arranged on the two first conductive rails; two rolling devices, which are respectively arranged on the two spacing adjusting devices; a moving device, which is arranged on the two second conductive rails; a lifting device, which is arranged on the moving device; a screw drive mechanism, which is arranged on the lifting device; a welding device, which is arranged at the bottom of the screw drive mechanism; a heat conduction device, which is arranged on one side of the welding device;

[0010] The rotating device includes a rotating motor and a first rotating frame. A groove is formed on the frame, the rotating motor is installed in the groove, and the output shaft of the rotating motor is fixedly connected to the first rotating frame. The rotating device is used to start the rotating motor, and the rotating motor drives the first rotating frame and the clamping device to rotate.

[0011] The clamping device includes a pipe, a first forward and reverse motor, a first gear, and a second gear. The first forward and reverse motor is installed on the first rotating frame, the output shaft of the first forward and reverse motor is fixedly connected to the second gear, a rotating block is fixedly connected to the first rotating frame, the first gear is rotatably connected to the rotating block, the first gear and the second gear are meshed with each other, five sliding grooves are formed on the first gear, sliding blocks are slidably connected to the five sliding grooves respectively, connecting rods are fixedly connected to the five sliding blocks respectively, clamping blocks are fixedly connected to the five connecting rods respectively, five first sliding grooves are formed on the rotating block, and the five first sliding grooves are respectively slidably connected to the five connecting rods. The pipe is located on the five clamping blocks. The clamping device is used to start the first forward and reverse motor, the first forward and reverse motor drives the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the five sliding blocks to move on the five sliding grooves respectively, the five sliding blocks drive the five connecting rods to move on the five first sliding grooves respectively, and the five connecting rods drive the five clamping blocks to move, and the five clamping blocks clamp the pipe.

[0012] The spacing adjustment device includes a rotating disk, two connecting rods, a turntable, a first screw rod, and a vehicle body. Four first wheels are rotatably connected to the vehicle body, and the four first wheels are respectively matched with two first conductive rails. A partition is fixedly connected to the inner wall of the vehicle body. A clamping groove is formed in the vehicle body, and the rotating disk is rotatably connected to the clamping groove. The first screw rod is fixedly connected to the rotating disk. Two sliders are threadedly connected to the first screw rod. The turntable is rotatably connected to the partition. The two ends of the two connecting rods are respectively rotatably connected to the two sliders and the turntable. A notch is formed in the vehicle body. The spacing adjustment device is used to rotate the rotating disk, the rotating disk drives the first screw rod to rotate, the first screw rod drives the two sliders to move, the two sliders drive the two connecting rods to rotate, and the two connecting rods both drive the turntable to perform an offset operation;

[0013] The rolling device includes two second rotating frames and four rollers. The two second rotating frames are respectively fixedly connected to the two sliders, and the four rollers are respectively rotatably connected to the two second rotating frames;

[0014] The moving device includes four second wheels, a vehicle frame, and four fixing plates. The four second wheels are respectively matched with two second conductive rails. The four fixing plates are all fixedly connected to the vehicle frame. The four second wheels are respectively rotatably connected to the four fixing plates. A power supply box is installed on the vehicle frame. The moving device is used to drive the vehicle frame to perform a moving operation;

[0015] The lifting device includes a cylinder, a telescopic housing, and a telescopic block. The telescopic housing is fixedly connected to the vehicle frame. The cylinder is installed on the telescopic housing. The output shaft of the cylinder is fixedly connected to the telescopic block. The telescopic block is slidably connected to the telescopic housing. The lifting device is used to start the cylinder, the cylinder drives the telescopic block to move, and the telescopic block drives the screw transmission mechanism, the welding device, and the heat conduction device to perform a moving operation;

[0016] The screw transmission mechanism includes a second screw rod, a second forward and reverse motor, and a moving block. A first fixing block is fixedly connected to the telescopic block. The second forward and reverse motor is installed on the first fixing block. The output shaft of the second forward and reverse motor is fixedly connected to the second screw rod. The second screw rod is threadedly connected to the moving block. A second sliding groove is formed in the first fixing block. The second sliding groove is slidably connected to the moving block. The screw transmission mechanism is used to start the second forward and reverse motor, the second forward and reverse motor drives the second screw rod to rotate, the second screw rod drives the moving block to move on the second sliding groove, and the moving block drives the welding device and the heat conduction device to perform a moving operation;

[0017] The welding device includes a second fixed block, a first water pipe, a first water pump, a reservoir, a sluice, and a support frame. The reservoir is installed on one side of the moving block. The sluice is installed at the bottom of the reservoir. The heat conduction block is fixedly connected to the bottom of the reservoir. A cavity is provided in the heat conduction block. A spiral heat conduction pipe is fixedly connected to the sluice. A second water pipe is fixedly connected to the spiral heat conduction pipe. A second water pump is fixedly connected to the second water pipe. An electric welder is installed on the heat conduction block. The second fixed block is fixedly connected to one side of the heat conduction block. A motor is installed on the second fixed block. A tungsten needle is fixedly connected to the output shaft of the motor;

[0018] The heat conduction device includes two springs, two telescopic rods, a heat conduction rubber housing, a temperature detector, and a fixed frame. A support frame is fixedly connected to the reservoir. The support frame is fixedly connected to the fixed frame. The bottom of the fixed frame is fixedly connected to the heat conduction rubber housing. The temperature detector is installed on the top of the heat conduction rubber housing. The two ends of the two springs and the two telescopic rods are respectively fixedly connected to the two sides of the fixed frame and the heat conduction rubber housing. A display screen is fixedly connected to the fixed frame. The second water pump is installed on the heat conduction rubber housing.

[0019] In summary, the present application includes at least one of the following beneficial technical effects:

[0020] 1. By starting the first forward and reverse motor, the first forward and reverse motor drives the second gear to rotate. The second gear drives the first gear to rotate. The first gear drives the five sliding blocks to move on the five sliding grooves respectively. The five sliding blocks drive the five connecting rods to move on the five first sliding grooves respectively. The five connecting rods drive the five clamping blocks to move respectively. The five clamping blocks perform the clamping work on the pipeline;

[0021] 2. The heat generated during the welding process is collected by the heat conduction block. The heat conduction block heats the liquid inside the spiral heat conduction pipe. Open the sluice and start the reservoir. The reservoir collects the heated liquid. Then start the first water pump. The first water pump sucks the hot liquid from the inside of the reservoir through the first water pipe and introduces it into the heat conduction rubber housing. The heat conduction rubber housing heats the pipeline, so as to achieve the purpose of reducing the hardening tendency (for example: for carbon steel and alloy steel pipelines, heating can slow down the cooling rate, avoid the formation of hard and brittle tissues in the weld and heat affected zone, and reduce the crack risk). Then when the temperature of the heat conduction rubber housing drops, start the second water pump. The second water pump introduces the pipeline with the decreased temperature into the spiral heat conduction pipe again through the second water pipe and waits for the heating work during welding. Description of the Drawings

[0022] Figure 1 is the overall structural schematic diagram in the first embodiment of the present application;

[0023] Figure 2It is a schematic diagram of the connection structure of the frame, rotating device and clamping device in the first embodiment of the present application;

[0024] Figure 3 It is a schematic diagram of the connection structure of the rotating device and the clamping device in the first embodiment of the present application;

[0025] Figure 4 It is a front view structure diagram of the clamping device in the first embodiment of the present application;

[0026] Figure 5 It is a back view structure diagram of the clamping device in the first embodiment of the present application;

[0027] Figure 6 It is a schematic diagram of the connection structure of the pitch adjustment device and the rolling device in the first embodiment of the present application;

[0028] Figure 7 It is a schematic diagram of the connection structure of the first screw, rotating disc, two sliders, turntable, two connecting rods and the rolling device in the first embodiment of the present application;

[0029] Figure 8 It is a schematic diagram of the connection structure of the lifting device, screw drive mechanism, welding device and heat conduction device in the first embodiment of the present application;

[0030] Figure 9 It is a schematic diagram of the structure of the cylinder, telescopic housing, telescopic block, screw drive mechanism, welding device and heat conduction device in the first embodiment of the present application;

[0031] Figure 10 It is a schematic diagram of the connection structure of the screw drive mechanism, welding device and heat conduction device in the first embodiment of the present application;

[0032] Figure 11 It is a schematic diagram of the structure of the welding device and the heat conduction device in the first embodiment of the present application;

[0033] Figure 12 It is a schematic diagram of the structure of the welding device in the first embodiment of the present application;

[0034] Figure 13 It is a schematic diagram of the connection structure of the spiral heat conduction tube and the heat conduction block in the first embodiment of the present application;

[0035] Figure 14 It is a schematic diagram of the connection structure of two springs, two telescopic rods, temperature controller and heat conduction rubber housing in the first embodiment of the present application;

[0036] Figure 15 It is a schematic diagram of the structure of the rolling device in the first embodiment of the present application.

[0037] Reference numerals: 1, display screen; 2, memory; 3, first fixing block; 4, pipeline; 5, telescopic housing; 6, card slot; 7, first conductive rail; 8, second conductive rail; 9, frame; 10, groove; 11, first rotating frame; 12, rotating motor; 13, clamping block; 14, connecting rod; 15, first sliding groove; 16, rotating block; 17, first gear; 18, second gear; 19, sliding block; 20, sliding groove; 21, first forward and reverse motor; 22, rotating disc; 23, roller; 24, second rotating frame; 25, vehicle body; 26, first wheel; 27, slider; 28, first screw; 29, partition; 30, connecting rod; 31, turntable; 32, heat conducting block; 33, telescopic block; 34, power supply box; 35, vehicle frame; 36, second wheel; 37, support frame; 38, cylinder; 39, second forward and reverse motor; 40, notch; 41, second sliding groove; 42, moving block; 43, second screw; 44, first water pipe; 45, first water pump; 46, heat conducting rubber housing; 47, fixed frame; 48, spring; 49, second water pump; 50, second water pipe; 51, fixing plate; 52, gate; 53, second fixing block; 54, motor; 55, tungsten needle; 56, electric welder; 57, cavity; 58, spiral heat conducting pipe; 59, telescopic rod; 60, temperature detector. Detailed implementation manners

[0038] Embodiment 1

[0039] The following further elaborates on Embodiment 1 in this application in conjunction with the attached Figures 1 - 15 drawings.

[0040] The installation method of a welding device for agricultural water conservancy construction pipelines is as follows with reference to Figure 1 the attached drawings, and it includes:

[0041] a frame 9;

[0042] two first conductive rails 7, and both of the two first conductive rails 7 are installed on the frame 9;

[0043] two second conductive rails 8, and both of the two second conductive rails 8 are located on one side of the frame 9;

[0044] a rotating device, which is arranged on the frame 9;

[0045] a clamping device, which is arranged on one side of the rotating device;

[0046] a spacing adjusting device, there are two spacing adjusting devices, and both of the two spacing adjusting devices are arranged on the two first conductive rails 7;

[0047] a rolling device, there are two rolling devices, and the two rolling devices are respectively arranged on the two spacing adjusting devices;

[0048] A mobile device is arranged on two second conductive rails 8;

[0049] A lifting device is arranged on the mobile device;

[0050] A screw drive mechanism is arranged on the lifting device;

[0051] A welding device is arranged at the bottom of the screw drive mechanism;

[0052] A heat conduction device is arranged on one side of the welding device.

[0053] Refer to Figures 2 - 5 , the rotating device includes a rotating motor 12 and a first rotating frame 11. A groove 10 is formed on the frame 9. The rotating motor 12 is installed in the groove 10. The output shaft of the rotating motor 12 is fixedly connected to the first rotating frame 11. The rotating device is used to start the rotating motor 12, and the rotating motor 12 drives the first rotating frame 11 and the clamping device to perform a rotating operation;

[0054] The clamping device includes a pipe 4, a first forward and reverse motor 21, a first gear 17 and a second gear 18. The first forward and reverse motor 21 is installed on the first rotating frame 11. The output shaft of the first forward and reverse motor 21 is fixedly connected to the second gear 18. A rotating block 16 is fixedly connected to the first rotating frame 11. The first gear 17 is rotatably connected to the rotating block 16. The first gear 17 and the second gear 18 are meshed with each other. Five sliding grooves 20 are formed on the first gear 17. Five sliding blocks 19 are slidably connected to the five sliding grooves 20 respectively. Five connecting rods 14 are fixedly connected to the five sliding blocks 19 respectively. Five clamping blocks 13 are fixedly connected to the five connecting rods 14 respectively. Five first sliding grooves 15 are formed on the rotating block 16. The five first sliding grooves 15 are slidably connected to the five connecting rods 14 respectively. The pipe 4 is located on the five clamping blocks 13. The clamping device is used to start the first forward and reverse motor 21. The first forward and reverse motor 21 drives the second gear 18 to rotate. The second gear 18 drives the first gear 17 to rotate. The first gear 17 drives the five sliding blocks 19 to move on the five sliding grooves 20 respectively. The five sliding blocks 19 drive the five connecting rods 14 to move on the five first sliding grooves 15 respectively. The five connecting rods 14 drive the five clamping blocks 13 to move respectively. The five clamping blocks 13 clamp the pipe 4.

[0055] Refer to Figures 6 - 7 and Figure 15, the spacing adjustment device includes a rotating disk 22, two connecting rods 30, a turntable 31, a first screw 28, and a vehicle body 25. Four first wheels 26 are rotatably connected to the vehicle body 25, and the four first wheels 26 are respectively engaged with two first conductive rails 7. A partition 29 is fixedly connected to the inner wall of the vehicle body 25. A card slot 6 is formed in the vehicle body 25, and the rotating disk 22 is rotatably connected to the card slot 6. The first screw 28 is fixedly connected to the rotating disk 22. Two sliders 27 are threadedly connected to the first screw 28. The turntable 31 is rotatably connected to the partition 29. Two ends of the two connecting rods 30 are respectively rotatably connected to the two sliders 27 and the turntable 31. A notch 40 is formed in the vehicle body 25;

[0056] The rolling device includes two second rotating frames 24 and four rollers 23. The two second rotating frames 24 are respectively fixedly connected to the two sliders 27, and the four rollers 23 are respectively rotatably connected to the two second rotating frames 24.

[0057] Refer to Figures 8 - 14 , the moving device includes four second wheels 36, a vehicle frame 35, and four fixing plates 51. The four second wheels 36 are respectively engaged with two second conductive rails 8. The four fixing plates 51 are all fixedly connected to the vehicle frame 35. The four second wheels 36 are respectively rotatably connected to the four fixing plates 51. A power supply box 34 is installed on the vehicle frame 35. The moving device is used to drive the vehicle frame 35 to perform a moving operation;

[0058] The lifting device includes a cylinder 38, a telescopic housing 5, and a telescopic block 33. The telescopic housing 5 is fixedly connected to the vehicle frame 35. The cylinder 38 is installed on the telescopic housing 5. The output shaft of the cylinder 38 is fixedly connected to the telescopic block 33. The telescopic block 33 is slidably connected to the telescopic housing 5. The lifting device is used to start the cylinder 38. The cylinder 38 drives the telescopic block 33 to move, and the telescopic block 33 drives the screw transmission mechanism, the welding device, and the heat conduction device to perform a moving operation;

[0059] The screw transmission mechanism includes a second screw 43, a second forward and reverse motor 39, and a moving block 42. A first fixing block 3 is fixedly connected to the telescopic block 33. The second forward and reverse motor 39 is installed on the first fixing block 3. The output shaft of the second forward and reverse motor 39 is fixedly connected to the second screw 43. The second screw 43 is threadedly connected to the moving block 42. A second chute 41 is formed in the first fixing block 3. The second chute 41 is slidably connected to the moving block 42. The screw transmission mechanism is used to start the second forward and reverse motor 39. The second forward and reverse motor 39 drives the second screw 43 to rotate. The second screw 43 drives the moving block 42 to move on the second chute 41, and the moving block 42 drives the welding device and the heat conduction device to perform a moving operation;

[0060] The welding device includes a second fixing block 53, a first water pipe 44, a first water pump 45, a storage tank 2, a gate 52 and a support frame 37. The storage tank 2 is installed on one side of the moving block 42. The gate 52 is installed at the bottom of the storage tank 2. The heat conducting block 32 is fixedly connected to the bottom of the storage tank 2. A cavity 57 is formed in the heat conducting block 32. A spiral heat conducting pipe 58 is fixedly connected to the gate 52. A second water pipe 50 is fixedly connected to the spiral heat conducting pipe 58. A second water pump 49 is fixedly connected to the second water pipe 50. An electric welder 56 is installed on the heat conducting block 32. The second fixing block 53 is fixedly connected to one side of the heat conducting block 32. A motor 54 is installed on the second fixing block 53. A tungsten needle 55 is fixedly connected to the output shaft of the motor 54;

[0061] The heat conducting device includes two springs 48, two telescopic rods 59, a heat conducting rubber housing 46, a temperature detector 60 and a fixing frame 47. A support frame 37 is fixedly connected to the storage tank 2. The support frame 37 is fixedly connected to the fixing frame 47. The fixing frame 47 is fixedly connected to the heat conducting rubber housing 46. The temperature detector 60 is installed on the top of the heat conducting rubber housing 46. The two ends of the two springs 48 and the two telescopic rods 59 are respectively fixedly connected to the two sides of the fixing frame 47 and the heat conducting rubber housing 46. A display screen 1 is fixedly connected to the fixing frame 47. The second water pump 49 is installed on the heat conducting rubber housing 46.

[0062] The implementation principle of a welding device for agricultural water conservancy construction pipelines in the embodiment of the present application is as follows: when in use, the pipeline 4 is placed on the two recesses 40, first, two spacing adjustment devices are manually operated (taking one of the spacing adjustment devices as an example: manually rotate the rotating disk 22, the rotating disk 22 drives the first screw 28 to rotate, the first screw 28 drives the two sliders 27 to move, the two sliders 27 drive the two connecting rods 30 to rotate, and the two connecting rods 30 both drive the rotating disk 31 to perform an offset operation, and at the same time, the two sliders 27 respectively drive the two rotating frames 24 and the four rollers 23 to move, and the four rollers 23 perform a resistance and limit operation on the pipeline 4), then, start the first forward and reverse motor 21, the first forward and reverse motor 21 drives the second gear 18 to rotate, and the first forward and reverse motor 21 drives the second gear 18 to rotate. The second gear 18 drives the first gear 17 to rotate, the first gear 17 drives the five sliding blocks 19 to move on the five sliding grooves 20 respectively, the five sliding blocks 19 respectively drive the five connecting rods 14 to move on the five first sliding grooves 15, the five connecting rods 14 respectively drive the five clamping blocks 13 to move, the five clamping blocks 13 clamp the pipe 4, then, the moving device is used to drive the frame 35 to move, the frame 35 drives the lifting device, the screw transmission mechanism, the welding device and the heat conduction device to move to the position to be welded, first start the cylinder 38, the cylinder 38 drives the telescopic block 33 to move, the telescopic block 33 drives the screw transmission mechanism, the welding device and the heat conduction device to move, then start the second forward and reverse motor 39, the second forward and reverse motor 39 drives The second screw 43 rotates, and the second screw 43 drives the moving block 42 to move on the second slide groove 41. The moving block 42 drives the welding device and the heat conducting device to move. The motor 54 is started first to drive the tungsten needle 55 to rotate (the function of the tungsten needle 55: the tungsten needle 55 is used as an electrode, connected with the electric welder 56 to form a loop, so that the welding current can be transmitted to the welding area through the tungsten wire needle, providing the required electric energy for welding, and ensuring the stable burning of the welding arc). Then, the welding point is welded by the electric welder 56, and the rotating motor 12 is started. The rotating motor 12 drives the first rotating frame 11 and the clamping device and the pipeline 4 to rotate. At the same time, the heat conducting block 32 collects the heat generated during the welding process, and the heat conducting block 32 heats the inside of the spiral heat conducting pipe 58 The first water pump 45 is started, and the first water pump 45 draws hot liquid from the inside of the storage 2 through the first water pipe 44 and introduces it into the heat-conducting rubber shell 46, and heats the pipe 4 through the heat-conducting rubber shell 46, so as to reduce the hardening tendency (for example, for carbon steel and alloy steel pipes, preheating these pipes can slow down the cooling rate, so as to avoid the formation of hard and brittle structures in the weld and heat-affected zone and reduce the risk of cracks). Then, when the temperature detector 60 detects that the temperature of the heat-conducting rubber shell 46 drops, the second water pump 49 is started, and the second water pump 49 introduces the liquid with a lowered temperature into the spiral heat-conducting pipe 58 again through the second water pipe 50.Perform cyclic heating operation.,

[0063] Embodiment 2

[0064] The difference between this embodiment and Embodiment 1 is that: a support frame is fixedly connected to the vehicle frame 35, and a camera is installed on the support frame. The camera can monitor the welding condition at the welding joint.

[0065] The above are all the preferred embodiments of this application. The protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A welding device for agricultural water conservancy construction pipelines, characterized in that: include: Rack (9); Two first conductive rails (7), both of which are mounted on the frame (9); Two second conductive rails (8), both of which are located on one side of the frame (9); A rotating device, the rotating device is arranged on the frame (9); A clamping device, the clamping device is arranged on one side of the rotating device; A spacing adjustment device, wherein two spacing adjustment devices are provided, and both spacing adjustment devices are provided on two first conductive rails (7); A rolling device, wherein two rolling devices are provided, and the two rolling devices are respectively provided on two spacing adjustment devices; A moving device, the moving device being arranged on two second conductive rails (8); A lifting device, the lifting device is arranged on the moving device; A screw transmission mechanism, wherein the screw transmission mechanism is arranged on the lifting device; A welding device, which is arranged at the bottom of the screw transmission mechanism; The heat conducting device is arranged on one side of the welding device.

2. A welding device for agricultural water conservancy construction pipeline according to claim 1, characterized in that: The rotating device comprises a rotating motor (12) and a first rotating frame (11); a groove (10) is provided on the frame (9); the rotating motor (12) is mounted on the groove (10); and an output shaft of the rotating motor (12) is fixedly connected to the first rotating frame (11).

3. A welding device for agricultural water conservancy construction pipeline according to claim 2, characterized in that: The clamping device comprises a pipeline (4), a first forward and reverse motor (21), a first gear (17) and a second gear (18), wherein the first forward and reverse motor (21) is mounted on a first rotating frame (11), an output shaft of the first forward and reverse motor (21) is fixedly connected to the second gear (18), a rotating block (16) is fixedly connected to the first rotating frame (11), the first gear (17) is rotatably connected to the rotating block (16), and the first gear (17) and the second gear (18) are rotatably connected to each other. 8) are meshed with each other, the first gear (17) is provided with five sliding grooves (20), the five sliding grooves (20) are all slidably connected to sliding blocks (19), the five sliding blocks (19) are all fixedly connected to connecting rods (14), the five connecting rods (14) are all fixedly connected to clamping blocks (13), the rotating block (16) is provided with five first sliding grooves (15), the five first sliding grooves (15) are respectively slidably connected to the five connecting rods (14), and the pipe (4) is located on the five clamping blocks (13).

4. A welding device for agricultural water conservancy construction pipeline according to claim 3, characterized in that: The spacing adjustment device comprises a rotating disk (22), two connecting rods (30), a rotating disk (31), a first screw rod (28) and a vehicle body (25); four first wheels (26) are rotatably connected to the vehicle body (25); the four first wheels (26) are respectively matched with two first conductive rails (7); a partition plate (29) is fixedly connected to the inner wall of the vehicle body (25); a slot (6) is provided on the vehicle body (25); the rotating disk (22) is rotatably connected to the slot (6); the first screw rod (28) is fixedly connected to the rotating disk (22); two sliders (27) are threadedly connected to the first screw rod (28); a rotating disk (31) is rotatably connected to the partition plate (29); two ends of the two connecting rods (30) are respectively rotatably connected to the two sliders (27) and the rotating disk (31); and a notch (40) is provided on the vehicle body (25).

5. A welding device for agricultural water conservancy construction pipeline according to claim 4, characterized in that: The rolling device comprises two second rotating frames (24) and four rollers (23); the two second rotating frames (24) are respectively fixedly connected to two sliders (27); and the four rollers (23) are respectively rotatably connected to the two second rotating frames (24).

6. A welding device for agricultural water conservancy construction pipeline according to claim 5, characterized in that: The mobile device comprises four second wheels (36), a frame (35) and four fixed plates (51); the four second wheels (36) are respectively matched with two second conductive rails (8); the four fixed plates (51) are all fixedly connected to the frame (35); the four second wheels (36) are respectively rotatably connected to the four fixed plates (51); a power supply box (34) is installed on the frame (35); and the mobile device is used to drive the frame (35) to move.

7. A welding device for agricultural water conservancy construction pipeline according to claim 6, characterized in that: The lifting device comprises a cylinder (38), a telescopic shell (5) and a telescopic block (33); the telescopic shell (5) is fixedly connected to a vehicle frame (35); the cylinder (38) is mounted on the telescopic shell (5); the output shaft of the cylinder (38) is fixedly connected to the telescopic block (33); and the telescopic block (33) is slidably connected to the telescopic shell (5).

8. A welding device for agricultural water conservancy construction pipelines according to claim 7, characterized in that: The screw transmission mechanism comprises a second screw (43), a second forward and reverse motor (39) and a moving block (42); the telescopic block (33) is fixedly connected to a first fixed block (3); the second forward and reverse motor (39) is mounted on the first fixed block (3); the output shaft of the second forward and reverse motor (39) is fixedly connected to the second screw (43); the second screw (43) is threadedly connected to the moving block (42); the first fixed block (3) is provided with a second slide groove (41); the second slide groove (41) is slidably connected to the moving block (42).

9. A welding device for agricultural water conservancy construction pipeline according to claim 8, characterized in that: The welding device comprises a second fixed block (53), a first water pipe (44), a first water pump (45), a reservoir (2), a gate (52) and a support frame (37), wherein the reservoir (2) is mounted on one side of the moving block (42), the gate (52) is mounted on the bottom of the reservoir (2), the heat conducting block (32) is fixedly connected to the bottom of the reservoir (2), a cavity (57) is provided on the heat conducting block (32), a spiral heat conducting pipe (58) is fixedly connected to the gate (52), a second water pipe (50) is fixedly connected to the spiral heat conducting pipe (58), a second water pump (49) is fixedly connected to the second water pipe (50), an electric welder (56) is mounted on the heat conducting block (32), the second fixed block (53) is fixedly connected to one side (32) of the heat conducting block, the motor (54) is mounted on the second fixed block (53), and a tungsten needle (55) is fixedly connected to the output shaft of the motor (54).

10. A welding device for agricultural water conservancy construction pipelines according to claim 9, characterized in that: The heat-conducting device comprises two springs (48), two telescopic rods (59), a heat-conducting rubber shell (46), a temperature detector (60) and a fixed frame (47); a support frame (37) is fixedly connected to the storage device (2); the support frame (37) is fixedly connected to the fixed frame (47); the fixed frame (47) is fixedly connected to the heat-conducting rubber shell (46); the temperature detector (60) is mounted on the top of the heat-conducting rubber shell (46); two ends of the two springs (48) and the two telescopic rods (59) are respectively fixedly connected to two sides of the fixed frame (47) and the heat-conducting rubber shell (46); a display screen (1) is fixedly connected to the fixed frame (47); and the second water pump (49) is mounted on the heat-conducting rubber shell (46).

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