Manual welding device for tubing head

Abstract

The utility model discloses a tubing head manual welding device which comprises a transmission structure, a clamping structure is arranged over the transmission structure, and a welding structure is arranged on one side of the transmission structure. The welding structure comprises an electric welding box, a welding wire reel is arranged in the electric welding box and connected with a welding gun through a welding wire pipe, the welding gun can be held by hand to move at will, the transmission structure comprises a fixing table, a groove and a pipe clamp are arranged on the fixing table, and a pedal is arranged under the fixing table. According to the manual welding device for the tubing head, the fixing table is arranged, the stress supporting effect on the whole device and structural parts is achieved through the fixing table, the clamping structure is arranged on the fixing table, the clamping stabilizing effect is achieved through the clamping structure, pipelines with different diameters can be clamped, and the grooves are formed, so that the manual welding device for the tubing head is convenient to use. Through the grooves, the bearing seats are adjusted in a sliding mode in the grooves through the sliding blocks, and therefore the effect of relative sliding adjustment is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of manual welding of oil pipe heads, in particular to a manual welding device for oil pipe heads. Background Art

[0002] The tubing head is a device component that connects the top casing head and the Christmas tree to suspend the tubing and seal the annular space between the tubing and the casing. The tubing head is located above the casing head, and its function is to suspend the tubing, downhole tools, and seal the annular space between the tubing and the casing. The tubing head is assembled from multiple parts. For the welding of the tubing head, the traditional operation method is to use a lifting tool to hoist it, and then the staff will weld the welding point. However, this operation method has the problem of insufficient coaxiality of the connecting parts at the connection point and insufficient welding accuracy. Utility Model Content

[0003] The utility model aims to provide a manual welding device for a tubing head in view of the deficiencies of the prior art, so as to solve the problem that the existing manual welding of the tubing head proposed in the above background technology is to use a lifting tool to lift the tubing head, and then the staff welds the welding part, but this operation method has the problems of insufficient coaxiality of the connecting parts at the connection and insufficient welding accuracy.

[0004] To achieve the above object, the utility model provides the following technical solutions: a manual welding device for a tubing head, comprising a transmission structure, a clamping structure is arranged directly above the transmission structure, and a welding structure is arranged on one side of the transmission structure;

[0005] The welding structure includes an electric welding box, a welding wire reel is arranged inside the electric welding box, the welding wire reel is connected to a welding gun through a welding wire tube, and the welding gun can be handheld and moved at will;

[0006] The transmission structure comprises a fixed platform, a groove and a pipe clamp are arranged on the fixed platform, and a pedal is arranged directly below the fixed platform.

[0007] By adopting the above technical solution, the fixed support setting effect is achieved through the setting of the fixed platform.

[0008] Preferably, a movable connecting seat is fixedly connected to one side of the pedal, a connecting rod is movably provided on the movable connecting seat, the connecting rod is rotatably connected to the crank connecting rod through a connecting sleeve, the crank connecting rod is fixedly connected to the active cam, and the active cam is transmission-connected to the driven cam through a belt.

[0009] By adopting the above technical solution, the pedals are arranged to achieve an up and down swinging effect.

[0010] Preferably, the clamping structure includes a bearing seat, wherein a slider is provided under one of the bearing seats, the bearing seat is slidably adjusted in the groove by the slider, and the other bearing seat is fixed on a fixed platform, and one bearing seat rotates with the other bearing seat.

[0011] By adopting the above technical solution, the sliding adjustment effect is achieved through the provided grooves.

[0012] Preferably, the other bearing seat is rotatably connected to the cross-hole adjustment plate, and the cross-hole adjustment plate is fixedly connected to the driven cam through a connecting rod.

[0013] By adopting the above technical solution, a sliding adjustment effect is achieved through the cross through hole adjustment plate.

[0014] Preferably, a threaded barrel is fixedly provided at the center of the cross-through hole adjustment plate, a threaded rod is threadedly connected inside the threaded barrel, the threaded rod is driven to rotate by a motor, and the threaded rod is arranged inside the housing.

[0015] Preferably, through-hole connecting plates are fixed on the shell and the splint, the through-hole connecting plates correspond to each other, the two through-hole connecting plates are rotatably connected by a double-hole connecting rod, and a slider is fixed on the splint, and the splint slides up and down in the groove of the cross through-hole adjustment plate through the slider.

[0016] By adopting the above technical solution, a connection effect is achieved by setting a double-hole connecting rod.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the manual welding device for oil pipe head is

[0018] (1) This case sets up a transmission structure to solve the problem that the existing operation method is to use a lifting tool to lift and then the staff welds the welding point. The operator only needs to swing the pedal up and down to drive the connecting rod to move up and down, so that the crank connecting rod and the active cam crankshaft move in a circle. Under the action of the belt, the driven cam rotates, thereby driving the oil pipe head fixed on the clamping table to rotate, so as to weld the oil pipe head at different angles, without the need for manual rotation welding of the pipeline;

[0019] (2) By setting up a clamping structure, the existing manual welding needs to be done through a tool sling, which is cumbersome and inefficient. In addition, this operation method has the problem of insufficient coaxiality of the connecting parts at the joint and insufficient welding accuracy. The operator only needs to place the oil pipe head to be welded on the clamping plate, and the clamping plate is adjusted up and down on the cross-hole adjustment plate through the rotation of the motor, so that it is suitable for oil pipe heads with different pipe diameters. At the same time, the two symmetrically arranged clamping structures can put the oil pipe heads at both ends on the same horizontal line, making the welding accuracy more precise. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the transmission structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the fixing platform, groove and pipe clamp structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the clamping structure of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the cross through hole adjustment plate of the utility model;

[0025] Figure 6 This is a schematic diagram of the welding structure of the utility model.

[0026] In the figure: 1. transmission structure; 2. clamping structure; 3. welding structure; 101. fixed platform; 102. groove; 103. pipe clamp; 104. pedal; 105. movable connecting seat; 106. connecting rod; 107. crank connecting rod; 108. active cam; 109. belt; 110. driven cam; 201. bearing seat; 202. threaded cylinder; 203. threaded rod; 204. motor; 205. housing; 206. through-hole connecting plate; 207. double-hole connecting rod; 208. clamping plate; 209. cross through-hole adjusting plate; 301. electric welding box; 302. welding wire reel; 303. welding wire tube; 304. welding gun. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-6 ,The utility model provides a technical solution: a manual welding device for oil pipe heads;

[0029] like Figure 1 , Figure 2 and Figure 3As shown, it includes a transmission structure 1, a clamping structure 2 is arranged directly above the transmission structure 1, a welding structure 3 is arranged on one side of the transmission structure 1, the transmission structure 1 includes a fixed platform 101, a groove 102 and a pipe clamp 103 are opened on the fixed platform 101, a pedal 104 is arranged directly below the fixed platform 101, a movable connecting seat 105 is fixedly connected to one side of the pedal 104, a connecting rod 106 is movably arranged on the movable connecting seat 105, the connecting rod 106 is rotatably connected to a crank connecting rod 107 through a connecting sleeve, the crank connecting rod 107 is fixedly connected to an active cam 108, and the active cam 108 is transmission-connected to a driven cam 110 through a belt 109, wherein the pedal 104 is swinged up and down, driving the connecting rod 106 to move up and down, thereby making the crank connecting rod 107 and the active cam 108 crankshafts move in a circular motion, and the driven cam 110 rotates under the action of the belt 109.

[0030] like Figure 4 and Figure 5 As shown, the clamping structure 2 includes a bearing seat 201, a slider is arranged under one of the bearing seats 201, and the bearing seat 201 is slidably adjusted in the groove 102 by the slider, and the other bearing seat 201 is fixed on the fixed platform 101, and one bearing seat 201 rotates with the other bearing seat 201, and the other bearing seat 201 is rotatably connected to the cross-hole adjustment plate 209, and the cross-hole adjustment plate 209 is fixedly connected to the driven cam 110 through the connecting rod 106.

[0031] A threaded cylinder 202 is fixedly arranged at the center of the cross-through hole adjustment plate 209, and a threaded rod 203 is threadedly connected to the inside of the threaded cylinder 202. The threaded rod 203 is driven to rotate by the motor 204. The threaded rod 203 is arranged inside the shell 205. Through-hole connecting plates 206 are fixed on the shell 205 and the clamping plate 208. The through-hole connecting plates 206 correspond to each other in pairs. The two through-hole connecting plates 206 are rotatably connected by a double-hole connecting rod 207. A slider is fixed on the clamping plate 208. The clamping plate 208 is rotated on the cross-through hole adjustment plate through the slider. The motor 204 drives the threaded rod 203 to rotate, so that the threaded rod 203 moves relatively in the threaded tube 202, so that the clamping plate 208 set on the shell 205 is adjusted up and down on the cross-hole adjustment plate 209 through the slider, so as to clamp different types of oil pipe heads. When the pedal 104 swings up and down to drive the driven cam 110 to rotate, the cross-hole adjustment plate 209 is driven to rotate, thereby driving the cross-hole adjustment plate 209 symmetrically set therewith to rotate relative to each other.

[0032] like Figure 6As shown, the welding structure 3 includes an electric welding box 301, wherein a welding wire reel 302 is arranged inside the electric welding box 301, and the welding wire reel 302 is connected to a welding gun 304 through a welding wire tube 303. The welding gun 304 can be handheld and moved arbitrarily, wherein the welding wire of the welding wire reel 302 in the electric welding box 301 is transported to the welding gun 304 through the arranged welding wire tube 303, thereby welding the pipeline.

[0033] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A manual welding device for a tubing head, comprising a transmission structure (1), characterized in that: A clamping structure (2) is arranged directly above the transmission structure (1), and a welding structure (3) is arranged on one side of the transmission structure (1); The welding structure (3) comprises an electric welding box (301), a welding wire reel (302) is arranged inside the electric welding box (301), the welding wire reel (302) is connected to a welding gun (304) via a welding wire tube (303), and the welding gun (304) can be handheld and moved at will; The transmission structure (1) comprises a fixed platform (101), a groove (102) and a pipe clamp (103) are provided on the fixed platform (101), and a pedal (104) is arranged directly below the fixed platform (101).

2. A manual welding device for a tubing head according to claim 1, characterized in that: A movable connection seat (105) is fixedly connected to one side of the pedal (104), a connecting rod (106) is movably arranged on the movable connection seat (105), the connecting rod (106) is rotationally connected to a crank connecting rod (107) via a connecting sleeve, the crank connecting rod (107) is fixedly connected to an active cam (108), and the active cam (108) is transmission-connected to a driven cam (110) via a belt (109).

3. A manual welding device for a tubing head according to claim 1, characterized in that: The clamping structure (2) comprises a bearing seat (201), wherein a slider is arranged below one of the bearing seats (201), and the bearing seat (201) is slidably adjusted in the groove (102) by the slider, and the other bearing seat (201) is fixed on the fixed platform (101), and one bearing seat (201) rotates following the other bearing seat (201).

4. A manual welding device for a tubing head according to claim 3, characterized in that: The other bearing seat (201) is rotatably connected to the cross through hole adjustment plate (209), and the cross through hole adjustment plate (209) is fixedly connected to the driven cam (110) through a connecting rod (106).

5. A manual welding device for a tubing head according to claim 4, characterized in that: A threaded barrel (202) is fixedly disposed at the center of the cross-hole adjustment plate (209), a threaded rod (203) is threadedly connected inside the threaded barrel (202), the threaded rod (203) is driven to rotate by a motor (204), and the threaded rod (203) is disposed inside the housing (205).

6. A manual welding device for a tubing head according to claim 5, characterized in that: Through-hole connecting plates (206) are fixed on both the shell (205) and the clamping plate (208), and the through-hole connecting plates (206) correspond to each other in pairs. The two through-hole connecting plates (206) are rotatably connected via a double-hole connecting rod (207), and a slider is fixed on the clamping plate (208), and the clamping plate (208) slides up and down in the groove (102) of the cross through-hole adjustment plate (209) via the slider.

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