Special welding device for high-temperature-resistant special gate valve

Abstract

The invention relates to the technical field of welding facilities, and discloses a special welding device for a high-temperature-resistant special gate valve, which comprises a supporting mechanism, the supporting mechanism comprises a first supporting frame, the inner wall of the first supporting frame is provided with a first groove, and the outer wall of the first supporting frame is fixedly connected with a first connecting block; second connecting blocks are fixedly connected to the outer walls of the ends, away from the first supporting frame, of the first connecting blocks located on the left side and the right side, when welding operation is conducted on valves used for installing pipelines with different diameters, welding areas of the valves with the different diameters are positioned through the adjusting mechanism, and when a special gate valve is welded, the welding area of the valves with the different diameters is adjusted. And when multiple faces of the special gate valve possibly need to be machined and welded, a second sliding frame is driven to rotate through a third driving motor, so that after machining and welding operation of one face is completed, the valve does not need to be repeatedly disassembled and then fixed again, and the welding efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of welding facilities, in particular to a special welding device for high-temperature resistant special gate valves. Background Art

[0002] In modern industry, special gate valves play an important role. They are commonly found in petrochemical, electric power and other fields. These valves often face extreme working conditions, especially temperatures as high as thousands of degrees. In order to ensure performance and quality under high temperatures, special welding technology has emerged to meet its high temperature resistance and other requirements to ensure safe and stable industrial production.

[0003] A patent application with application number CN202311657139.9 discloses a special welding equipment for valves, including a welding table, a pushing member is installed at the edge of one side of the upper end of the welding table, a bearing arm is fixedly installed on the upper end of the pushing member, a connecting plate is coaxially inlaid on the end of the bearing arm, a No. 1 gear ring is coaxially rotatably installed on the outer surface of the connecting plate, a bearing ring is coaxially connected to the side of the connecting plate, a No. 2 gear ring is coaxially rotatably installed on the outer surface of the bearing ring, a pressure ring is coaxially connected to the side of the bearing ring, a plurality of limit columns are fixedly installed in an annular array on one side of the pressure ring, a flip fixture is provided on the side of the No. 2 gear ring, and a No. 3 extension frame is fixedly installed on the side of the No. 1 gear ring.

[0004] In summary, when welding valves used for installation in pipes of different diameters, it is necessary to locate the welding areas of valves of different diameters, and when welding special gate valves, the special gate valves may require multiple surfaces to be processed and welded. Therefore, after completing the processing and welding of one surface, the valve may need to be repeatedly disassembled and re-fixed, which increases the welding time and affects the welding efficiency.

[0005] To this end, we proposed a special welding device for high-temperature resistant special gate valves. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a special welding device for high-temperature resistant special gate valves to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a special welding device for a high-temperature resistant special gate valve, comprising a supporting mechanism, the supporting mechanism comprising a first supporting frame, the inner wall of the first supporting frame is provided with a first groove, the outer wall of the first supporting frame is fixedly connected with a first connecting block, the outer wall of the first connecting block on the left and right sides away from the first supporting frame is fixedly connected with a second connecting block, the inner wall of the second connecting block is fixedly connected with a first push rod, the outer surface of the first push rod is fixedly sleeved with a first supporting block, the outer wall of the first supporting block on one side away from the first push rod is fixedly connected with a first fixing block, the outer wall of the first fixing block on one end away from the first supporting block is fixedly connected with a fixing shaft, the fixed shaft on one end away from the first fixing block is fixedly connected with the second supporting block, the first supporting frame is provided with a welding mechanism inside, and also comprises: The adjusting mechanism includes a second sliding block fixedly connected to the output end of the first push rod, an end of the second sliding block away from the first push rod is slidably connected to the fixed shaft, the outer wall of the second sliding block on one side away from the first push rod is fixedly connected to the second support frame, a second groove is opened on the top outer wall of the second support frame, a third drive motor is fixedly connected to the center of the second support frame, the output end of the third drive motor is fixedly connected to the second sliding frame, the bottom outer wall of the second sliding frame is rotatably connected to the auxiliary wheel through a rotating shaft, the end of the auxiliary wheel away from the second sliding frame is rollingly connected to the second groove, the inner wall of the second sliding frame is fixedly connected to the first hydraulic rod, the output end of the first hydraulic rod is fixedly connected to the third fixed block, the end of the third fixed block away from the first hydraulic rod is fixedly connected to the second drive motor, and an auxiliary component is provided at the output end of the second drive motor.

[0008] According to the above technical solution, the auxiliary component includes a connecting frame fixedly connected to the output end of the second driving motor, a fixing rod is fixedly connected to the outer wall of the connecting frame, a first force block is arranged on the top of the connecting frame, a second connecting shaft is fixedly connected to the bottom of the first force block, an end of the second connecting shaft away from the first force block passes through the connecting frame and is fixedly connected to a sliding ring, a second spring is fixedly connected to the top outer wall of the sliding ring, an end of the second spring away from the sliding ring is fixedly connected to the connecting frame, a clamping assembly is arranged inside the fixed rod, and the second spring is used for resetting the first force block.

[0009] According to the above technical solution, the clamping assembly includes a third sliding block slidably connected to the fixed rod, the inner wall of the third sliding block is fixedly connected to the second hydraulic rod, the output end of the second hydraulic rod is fixedly connected to the second force block, the bottom inner wall of the third sliding block is rotatably connected to the second auxiliary rod through a rotating shaft, the end of the second auxiliary rod away from the third sliding block is rotatably connected to the sliding ring, and when the sliding ring descends, the sliding ring pulls the third sliding block through the second auxiliary rod.

[0010] According to the above technical solution, the inner walls on the left and right sides of the third sliding block are rotatably connected to arc rods via a rotating shaft, the inner wall of the arc rod is rotatably connected to a first auxiliary rod via a rotating shaft, the inner wall of the first auxiliary rod at one end away from the arc rod is rotatably connected to the second force-bearing block via a rotating shaft, the outer wall of the arc rod at one end away from the third sliding block is rotatably connected to a clamping rod via a rotating shaft, and the clamping rod is used to clamp and fix the special gate valve.

[0011] According to the above technical solution, the welding mechanism includes a first sliding frame slidably connected to the inner wall of the first support frame, an auxiliary motor is fixedly connected to the outer wall of the first sliding frame, a driving wheel is fixedly connected to the output end of the auxiliary motor, the outer surface of the driving wheel is rollingly connected to the first groove, and a second push rod is fixedly connected to the inner wall of the first sliding frame. The number of the second push rods is two, and the two second push rods are symmetrically arranged with the central axis of the first sliding frame as the center.

[0012] According to the above technical solution, the output end of the second push rod is fixedly connected to the second fixed block, the inner wall of the second fixed block is fixedly connected to the first dual-axis motor, the outer wall of the second fixed block on the side close to the first sliding frame is fixedly connected to the first connecting shaft, the end of the first connecting shaft away from the second fixed block passes through the first sliding frame and is fixedly connected to the limiting block, the outer wall of the limiting block is fixedly connected to the first spring, the end of the first spring away from the limiting block is fixedly connected to the first sliding frame, and the first connecting shaft provides stability for the movement of the second fixed block.

[0013] According to the above technical solution, the output end of the first dual-axis motor located at the top is fixedly connected to the first rotating rod, the inner wall of the first rotating rod is fixedly connected to the third push rod, the output end of the third push rod is fixedly connected to the first sliding block, the inner wall of the first sliding block is fixedly connected to the first welder, and the first welder is used for welding operations on the outside of special gate valves.

[0014] According to the above technical solution, the output end of the first dual-axis motor located at the bottom is fixedly connected to the second rotating rod, the outer wall of the second rotating rod is fixedly connected to the first driving motor, the output end of the first driving motor passes through the second rotating rod and is fixedly connected to the third rotating rod, the inner wall of the third rotating rod on the side away from the second rotating rod is fixedly connected to the second dual-axis motor, the output end of the second dual-axis motor passes through the third rotating rod and is fixedly connected to the fourth rotating rod, the end of the fourth rotating rod away from the second dual-axis motor is fixedly connected to the second welder, and the second welder is used for welding operations inside special gate valves.

[0015] Compared with the prior art, the present invention provides a special welding device for high temperature resistant special gate valves, which has the following beneficial effects: 1. The present invention sets up a special welding device for high-temperature resistant special gate valves. When welding valves used for installation in pipelines with different diameters, the welding area of ​​valves with different diameters is positioned through an adjusting mechanism. When welding special gate valves, if multiple surfaces of the special gate valves may need to be processed and welded, the second sliding frame is rotated by a third driving motor. Therefore, after completing the processing and welding of one surface, there is no need to repeatedly disassemble the valve and then re-fix it, thereby improving the welding efficiency.

[0016] 2. The present invention sets a welding mechanism, and the auxiliary motor rolls on the inner wall of the first groove through the driving wheel, thereby driving the first sliding frame to rotate, and the first welder and the second welder are adjusted and positioned respectively through the second push rods on the upper and lower sides, and the first welder and the second welder are used to weld the outside and inside of the special gate valve at the same time, thereby improving the welding efficiency.

[0017] 3. The present invention provides a second rotating rod and a third rotating rod. When only welding work needs to be performed on the outside of the special gate valve, the second rotating rod is rotated to the inside of the first sliding frame by the first double-axis motor, and the third rotating rod and the fourth rotating rod are flipped by the first drive motor and the second double-axis motor respectively, so that the second welding machine can be recovered, thereby reducing the impact of the second welding machine on the welding operation.

[0018] 4. The present invention sets an adjustment mechanism. When the special gate valve is placed on the first force-bearing block, the first force-bearing block pulls the second auxiliary rod through the sliding ring, so that the third sliding block moves toward one end of the first force-bearing block. The second hydraulic rod pulls the clamping rods on both sides through the second force-bearing block to clamp and fix the outer wall of the special gate valve, thereby increasing the stability of the special gate valve during welding operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall front structure of the present invention; Figure 2 It is a schematic diagram of the support mechanism structure of the present invention; Figure 3 It is a schematic diagram of the welding mechanism structure of the present invention; Figure 4 It is a schematic structural diagram of the second rotating rod and the second welding machine of the present invention; Figure 5 The structure of the regulating mechanism of the present invention is shown in FIG. Figure 1 ; Figure 6 The structure of the regulating mechanism of the present invention is shown in FIG. Figure 2 ; Figure 7 It is a schematic diagram of the auxiliary component structure of the present invention; Figure 8 It is a schematic diagram of the structure of the clamping assembly of the present invention.

[0020] Fig. 9 For the present invention Figure 1 Schematic diagram of the enlarged structure of A.

[0021] In the figure: 1, support mechanism; 101, first support frame; 102, first groove; 103, first connecting block; 104, second connecting block; 105, first push rod; 106, first support block; 107, first fixed block; 108, fixed shaft; 109, second support block; 2, welding mechanism; 201, first sliding frame; 202, auxiliary motor; 203, driving wheel; 204, second push rod; 205, second fixed block; 206, first double-axis motor; 207, first rotating rod; 208, third push rod; 209, first sliding block; 210, first welding machine; 211, second rotating rod; 212, first driving motor; 213, third rotating rod; 214, second double-axis motor; 215, fourth rotating rod; 216, second welding machine; 217, first connecting frame; 208, first groove; 103, first connecting block; 104, second connecting block; 105, first push rod; 106, first supporting block; 107, first fixed block; 108, fixed shaft; 109, second supporting block; 2, welding mechanism; 201, first sliding frame; 202, auxiliary motor; 203, driving wheel; 204, second push rod; 205, second fixed block; 206, first double-axis motor; 207, first rotating rod; 208, third push rod; 209, first sliding block; 210, first welding machine; 211, second rotating rod; 212, first driving motor; 213, third rotating rod; 214, second double-axis motor; 215, fourth rotating rod; 216, second welding machine; 217, first connecting frame; Connecting shaft; 218, limiting block; 219, first spring; 3, adjusting mechanism; 301, second sliding block; 302, second supporting frame; 303, second groove; 304, second sliding frame; 305, auxiliary wheel; 306, first hydraulic rod; 307, third fixed block; 308, second driving motor; 309, auxiliary component; 3091, connecting frame; 3092, first force block; 3093, second connecting shaft; 3094, sliding ring; 3095, second spring; 3096, fixed rod; 310, clamping component; 3101, third sliding block; 3102, second hydraulic rod; 3103, second force block; 3104, arc rod; 3105, clamping rod; 3106, first auxiliary rod; 3017, second auxiliary rod; 311, third driving motor. DETAILED DESCRIPTION

[0022] 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.

[0023] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Example 1: See Figure 1-Figure 4 The present invention provides a technical solution: a special welding device for a high-temperature resistant special gate valve, comprising a supporting mechanism 1, wherein the supporting mechanism 1 comprises a first supporting frame 101, wherein the inner wall of the first supporting frame 101 is provided with a first groove 102, wherein the outer wall of the first supporting frame 101 is fixedly connected with a first connecting block 103, wherein the first connecting block 103 is higher than the protruding part of the second push rod 204, and the outer wall of the first connecting block 103 on the left and right sides, which is away from the first supporting frame 101, is fixedly connected with a second connecting block 104, wherein the second connecting block The inner wall of 104 is fixedly connected with a first push rod 105, the outer surface of the first push rod 105 is fixedly sleeved with a first support block 106, the outer wall of the first support block 106 on one side away from the first push rod 105 is fixedly connected with a first fixed block 107, the outer wall of the first fixed block 107 on one end away from the first support block 106 is fixedly connected with a fixed shaft 108, and the end of the fixed shaft 108 away from the first fixed block 107 is fixedly connected with a second support block 109, the interior of the first support frame 101 is provided with a welding mechanism 2, and also includes: The adjusting mechanism 3 comprises a second sliding block 301 fixedly connected to the output end of the first push rod 105, an end of the second sliding block 301 away from the first push rod 105 is slidably connected to the fixed shaft 108, the fixed shaft 108 provides stability for the movement of the second sliding block 301, a second support frame 302 is fixedly connected to the outer wall of the second sliding block 301 away from the first push rod 105, a second groove 303 is provided on the top outer wall of the second support frame 302, a third driving motor 311 is fixedly connected to the center of the second support frame 302, an output end of the third driving motor 311 is fixedly connected to the second sliding frame 304, an auxiliary wheel 305 is rotatably connected to the bottom outer wall of the second sliding frame 304 through a rotating shaft, and an end of the auxiliary wheel 305 away from the second sliding frame 304 is rotatably connected to the second groove 303 Rolling connection, the inner wall of the second sliding frame 304 is fixedly connected with the first hydraulic rod 306, the output end of the first hydraulic rod 306 is fixedly connected with the third fixed block 307, the end of the third fixed block 307 away from the first hydraulic rod 306 is fixedly connected with the second drive motor 308, and the output end of the second drive motor 308 is provided with an auxiliary component 309. When welding operations are carried out on valves used for installation in pipelines of different diameters, the welding areas of valves of different diameters are positioned with the help of the adjustment mechanism 3, and when welding special gate valves, there may be multiple surfaces that need to be processed and welded. The second sliding frame 304 is rotated by the third drive motor 311, so that after completing the processing and welding operation of one surface, there is no need to repeatedly disassemble the valve and then re-fix it, thereby effectively improving the welding efficiency.

[0026] The welding mechanism 2 includes a first sliding frame 201 which is slidably connected to the inner wall of the first supporting frame 101, an auxiliary motor 202 is fixedly connected to the outer wall of the first sliding frame 201, a driving wheel 203 is fixedly connected to the output end of the auxiliary motor 202, the outer surface of the driving wheel 203 is rollingly connected to the first groove 102, and a second push rod 204 is fixedly connected to the inner wall of the first sliding frame 201. There are two second push rods 204, and the two second push rods 204 are symmetrically arranged with the central axis of the first sliding frame 201 as the center.

[0027] The output end of the second push rod 204 is fixedly connected to the second fixed block 205, the inner wall of the second fixed block 205 is fixedly connected to the first dual-axis motor 206, and the outer wall of the second fixed block 205 on one side close to the first sliding frame 201 is fixedly connected to the first connecting shaft 217. The first connecting shaft 217 provides stability for the movement of the second fixed block 205. The end of the first connecting shaft 217 away from the second fixed block 205 passes through the first sliding frame 201 and is fixedly connected to the limiting block 218. The outer wall of the limiting block 218 is fixedly connected to the first spring 219, and the end of the first spring 219 away from the limiting block 218 is fixedly connected to the first sliding frame 201.

[0028] The output end of the first dual-axis motor 206 at the top is fixedly connected to the first rotating rod 207, the inner wall of the first rotating rod 207 is fixedly connected to the third push rod 208, the output end of the third push rod 208 is fixedly connected to the first sliding block 209, the inner wall of the first sliding block 209 is fixedly connected to the first welding machine 210, and the first welding machine 210 is used for welding operations on the outside of special gate valves.

[0029] The output end of the first dual-axis motor 206 at the bottom is fixedly connected to the second rotating rod 211, the outer wall of the second rotating rod 211 is fixedly connected to the first driving motor 212, the output end of the first driving motor 212 passes through the second rotating rod 211, and is fixedly connected to the third rotating rod 213, the inner wall of the third rotating rod 213 away from the second rotating rod 211 is fixedly connected to the second dual-axis motor 214, the output end of the second dual-axis motor 214 passes through the third rotating rod 213, and is fixedly connected to the fourth rotating rod 215, the fourth rotating rod 215 A second welder 216 is fixedly connected to one end away from the second dual-axis motor 214. The second welder 216 is used for welding operations inside the special gate valve. The auxiliary motor 202 rolls on the inner wall of the first groove 102 with the help of the driving wheel 203, thereby driving the first sliding frame 201 to rotate. The first welder 210 and the second welder 216 are adjusted and positioned respectively through the second push rods 204 on the upper and lower sides, so that the first welder 210 and the second welder 216 can simultaneously carry out welding operations on the outside and inside of the special gate valve, thereby significantly improving the welding efficiency.

[0030] The working principle of this embodiment is as follows: when welding valves for pipes with different diameters, the special gate valve is placed on the clamping assembly 310, and then the distance between the special gate valve and the welding mechanism 2 is adjusted by the first push rod 105. At the same time, the auxiliary motor 202 rolls on the inner wall of the first groove 102 by the driving wheel 203, thereby driving the first sliding frame 201 to rotate, and the first welding machine 210 and the second welding machine 216 are adjusted and positioned respectively by the second push rods 204 on the upper and lower sides, so that the first welding machine 210 and the second welding machine 216 are adjusted and positioned respectively. The welding machine 210 and the second welding machine 216 can simultaneously perform welding operations on the outside and inside of the special gate valve, which significantly improves the welding efficiency. When only the outside of the special gate valve needs to be welded, the second rotating rod 211 is rotated to the inside of the first sliding frame 201 by the first double-axis motor 206, and then the third rotating rod 213 and the fourth rotating rod 215 are flipped respectively by the first driving motor 212 and the second double-axis motor 214, so that the second welding machine 216 can be recovered, thereby reducing the impact of the second welding machine 216 on the welding operation.

[0031] Example 2: Please refer to Figure 5-Figure 9On the basis of the first embodiment, the present invention provides a technical solution: the auxiliary component 309 includes a connecting frame 3091 fixedly connected to the output end of the second driving motor 308, the outer wall of the connecting frame 3091 is fixedly connected to a fixing rod 3096, the top of the connecting frame 3091 is provided with a first force block 3092, the bottom of the first force block 3092 is fixedly connected to a second connecting shaft 3093, the end of the second connecting shaft 3093 away from the first force block 3092 passes through the connecting frame 3091, and is fixedly connected to a sliding ring 3094, the top outer wall of the sliding ring 3094 is fixedly connected to a second spring 3095, the second spring 3095 is used for resetting the first force block 3092, the end of the second spring 3095 away from the sliding ring 3094 is fixedly connected to the connecting frame 3091, and the interior of the fixing rod 3096 is provided with a clamping component 310.

[0032] The clamping assembly 310 includes a third sliding block 3101 slidably connected to the fixed rod 3096, the inner wall of the third sliding block 3101 is fixedly connected to the second hydraulic rod 3102, the output end of the second hydraulic rod 3102 is fixedly connected to the second force block 3103, the bottom inner wall of the third sliding block 3101 is rotatably connected to the second auxiliary rod 3017 through a rotating shaft, and the end of the second auxiliary rod 3017 away from the third sliding block 3101 is rotatably connected to the sliding ring 3094. When the sliding ring 3094 descends, the sliding ring 3094 pulls the third sliding block 3101 through the second auxiliary rod 3017.

[0033] The inner walls on the left and right sides of the third sliding block 3101 are both rotatably connected to arc rods 3104 through a rotating shaft, the inner wall of the arc rod 3104 is rotatably connected to a first auxiliary rod 3106 through a rotating shaft, the inner wall of one end of the first auxiliary rod 3106 away from the arc rod 3104 is rotatably connected to the second force-bearing block 3103 through a rotating shaft, and the outer wall of one end of the arc rod 3104 away from the third sliding block 3101 is rotatably connected to a clamping rod 3105 through a rotating shaft, and the clamping rod 3105 is used to clamp the special gate valve. When the special gate valve is placed on the first force block 3092, the first force block 3092 pulls the second auxiliary rod 3017 with the help of the sliding ring 3094, thereby prompting the third sliding block 3101 to move toward one end of the first force block 3092, and the second hydraulic rod 3102 pulls the clamping rods 3105 on both sides through the second force block 3103 to clamp and fix the outer wall of the special gate valve, thereby greatly enhancing the stability of the special gate valve during welding operations.

[0034] The working principle of this embodiment is as follows: when the special gate valve is placed on the first force block 3092, the first force block 3092 pulls the second auxiliary rod 3017 through the sliding ring 3094, thereby pushing the third sliding block 3101 to move toward one end of the first force block 3092. At the same time, the second hydraulic rod 3102 pulls the clamping rods 3105 on both sides through the second force block 3103 to clamp and fix the outer wall of the special gate valve, which greatly enhances the stability of the special gate valve during welding. In addition, the first hydraulic rod 306 can The height of the special gate valve is adjusted to facilitate the welding operation of the special gate valve. When the special gate valve is a three-way valve, the second drive motor 308 is used to flip the connecting frame 3091 as a whole, so that the bottom of the special gate valve can be welded. In addition, when welding the special gate valve, if multiple surfaces need to be processed and welded, the second sliding frame 304 can be rotated by the third drive motor 311. In this way, after completing the processing and welding operation of one surface, there is no need to repeatedly disassemble and re-fix the valve, which effectively improves the welding efficiency.

[0035] 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.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A special welding device for a high-temperature resistant special gate valve, comprising a supporting mechanism, wherein the supporting mechanism comprises a first supporting frame, an inner wall of the first supporting frame is provided with a first groove, an outer wall of the first supporting frame is fixedly connected to a first connecting block, an outer wall of the first connecting block at a left and right side away from the first supporting frame is fixedly connected to a second connecting block, an inner wall of the second connecting block is fixedly connected to a first push rod, an outer surface of the first push rod is fixedly sleeved with a first supporting block, an outer wall of a side of the first supporting block away from the first push rod is fixedly connected to a first fixing block, an outer wall of an end of the first fixing block away from the first supporting block is fixedly connected to a fixing shaft, an end of the fixing shaft away from the first fixing block is fixedly connected to the second supporting block, a welding mechanism is arranged inside the first supporting frame, characterized in that Also included are: The adjusting mechanism includes a second sliding block fixedly connected to the output end of the first push rod, an end of the second sliding block away from the first push rod is slidably connected to the fixed shaft, the outer wall of the second sliding block on one side away from the first push rod is fixedly connected to the second support frame, a second groove is opened on the top outer wall of the second support frame, a third drive motor is fixedly connected to the center of the second support frame, the output end of the third drive motor is fixedly connected to the second sliding frame, the bottom outer wall of the second sliding frame is rotatably connected to the auxiliary wheel through a rotating shaft, the end of the auxiliary wheel away from the second sliding frame is rollingly connected to the second groove, the inner wall of the second sliding frame is fixedly connected to the first hydraulic rod, the output end of the first hydraulic rod is fixedly connected to the third fixed block, the end of the third fixed block away from the first hydraulic rod is fixedly connected to the second drive motor, and an auxiliary component is provided at the output end of the second drive motor.

2. The special welding device for high temperature resistant special gate valve according to claim 1 is characterized in that: The auxiliary component includes a connecting frame fixedly connected to the output end of the second driving motor, a fixing rod fixedly connected to the outer wall of the connecting frame, a first force block is arranged on the top of the connecting frame, a second connecting shaft is fixedly connected to the bottom of the first force block, an end of the second connecting shaft away from the first force block passes through the connecting frame and is fixedly connected to a sliding ring, a second spring is fixedly connected to the top outer wall of the sliding ring, an end of the second spring away from the sliding ring is fixedly connected to the connecting frame, and a clamping assembly is arranged inside the fixing rod.

3. The special welding device for high temperature resistant special gate valve according to claim 2 is characterized in that: The clamping assembly includes a third sliding block slidably connected to the fixed rod, the inner wall of the third sliding block is fixedly connected to the second hydraulic rod, the output end of the second hydraulic rod is fixedly connected to the second force block, the bottom inner wall of the third sliding block is rotatably connected to the second auxiliary rod via a rotating shaft, and the end of the second auxiliary rod away from the third sliding block is rotatably connected to the sliding ring.

4. The special welding device for high temperature resistant special gate valve according to claim 3 is characterized in that: The inner walls on the left and right sides of the third sliding block are rotatably connected to arc rods via a rotating shaft, the inner wall of the arc rod is rotatably connected to a first auxiliary rod via a rotating shaft, the inner wall of one end of the first auxiliary rod away from the arc rod is rotatably connected to the second force-bearing block via a rotating shaft, and the outer wall of one end of the arc rod away from the third sliding block is rotatably connected to a clamping rod via a rotating shaft.

5. The special welding device for high temperature resistant special gate valve according to claim 1 is characterized in that: The welding mechanism includes a first sliding frame slidably connected to the inner wall of the first supporting frame, an auxiliary motor is fixedly connected to the outer wall of the first sliding frame, a driving wheel is fixedly connected to the output end of the auxiliary motor, the outer surface of the driving wheel is rollingly connected to the first groove, and a second push rod is fixedly connected to the inner wall of the first sliding frame.

6. The special welding device for high temperature resistant special gate valve according to claim 5 is characterized in that: The output end of the second push rod is fixedly connected to a second fixed block, the inner wall of the second fixed block is fixedly connected to the first dual-axis motor, the outer wall of the second fixed block on the side close to the first sliding frame is fixedly connected to the first connecting shaft, the end of the first connecting shaft away from the second fixed block passes through the first sliding frame and is fixedly connected to a limiting block, the outer wall of the limiting block is fixedly connected to a first spring, and the end of the first spring away from the limiting block is fixedly connected to the first sliding frame.

7. The special welding device for high temperature resistant special gate valve according to claim 6 is characterized in that: The output end of the first dual-axis motor located at the top is fixedly connected to the first rotating rod, the inner wall of the first rotating rod is fixedly connected to the third push rod, the output end of the third push rod is fixedly connected to the first sliding block, and the inner wall of the first sliding block is fixedly connected to the first welding machine.

8. The special welding device for high temperature resistant special gate valve according to claim 6 is characterized by: The output end of the first dual-axis motor located at the bottom is fixedly connected to the second rotating rod, the outer wall of the second rotating rod is fixedly connected to the first driving motor, the output end of the first driving motor passes through the second rotating rod and is fixedly connected to the third rotating rod, the inner wall of the third rotating rod on a side away from the second rotating rod is fixedly connected to the second dual-axis motor, the output end of the second dual-axis motor passes through the third rotating rod and is fixedly connected to the fourth rotating rod, and the end of the fourth rotating rod away from the second dual-axis motor is fixedly connected to the second welding machine.

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