Multi-angle adjusting welding clamp for offshore oil steel structure welding

Abstract

The utility model relates to the technical field of steel structure welding clamps, and discloses a multi-angle adjusting welding clamp for offshore oil steel structure welding, which comprises two clamp pieces, the bottom of one clamp piece is fixedly connected with a first U-shaped piece, and the top of the other clamp piece is fixedly connected with a second U-shaped piece. Adjusting assemblies are arranged on the front sides and the rear sides of the two clamp parts correspondingly, each adjusting assembly comprises a rotating shaft and an arc-shaped part, the rotating shafts are rotationally connected with the first U-shaped part, and the rotating shafts are connected with the second U-shaped part in an interference fit mode. The angle between two clamp pieces can be adjusted and fixed by matching the adjusting assembly, the U-shaped piece I and the U-shaped piece II, wherein the adjusting assembly consists of the rotating shaft, the arc-shaped piece, the arc-shaped hole, the connecting piece, the mounting block, the angle mark, the internal thread sleeve, the hexagon socket screw and the gasket; the welding angle of the steel structure can be adjusted according to actual needs, welding is stable, and use is flexible.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure welding fixture technical field, concretely is the multi -angle adjustment welding fixture for offshore oil steel structure welding. BACKGROUND

[0002] Steel structure is mainly by section steel and steel plate etc. The steel beam, steel column, steel truss etc. Component is composed, steel structure has high strength, light weight, strong deformation ability, good toughness, reliability etc. Characteristics, clamp is the device that is used for fixed processing object in mechanical manufacturing process, makes it occupies correct position to accept construction or detection, for the welding process of offshore oil drilling platform steel structure, in order to guarantee the convenience and accuracy of welding, welding fixture is assisted welding.

[0003] The patent document of the announcement number CN220050662U that has been published discloses a steel structure welding fixture, the patent document of this publication is provided with two extension structures, by operating two extension structures one by one, by moving the limiting seat in one of the extension structures outward, the limiting seat will drive the concave long block to move in the inside storage groove, according to the length of steel structure, the concave long block is pulled outward to the appropriate position, and the length of the first support seat can be extended, the steel structure is placed in the inside storage groove, prevent the welding end of two steel structures from appearing in the welding process, facilitate two steel structures to keep alignment phenomenon, facilitate the welding end of two steel structures to weld, at the same time, when the concave long block moves outward to the appropriate position, multiple top plates are also removed from the inside storage groove, under the elastic force of five supporting springs corresponding to the lower end of the top plate, the five supporting springs will lift the top plate of the upper end to move upward, so that the upper end of multiple top plates is in contact with the lower end of the steel structure, so that the steel structure on the top plate can be supported, but the above-mentioned published patent document can only assist the transverse welding of two steel structures, and cannot adjust the welding angle of two steel structures at multiple angles, and is not flexible to use. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing multi -angle adjustment welding fixture for offshore oil steel structure welding, solves the problem raised in the background art.

[0005] The embodiment of the application provides a multi-angle adjusting welding clamp for offshore oil steel structure welding, which comprises two clamp pieces, a U-shaped piece one is fixedly connected to the bottom of one clamp piece, a U-shaped piece two is fixedly connected to the top of the other clamp piece, adjusting assemblies are arranged on the front and back sides of the two clamp pieces, each adjusting assembly comprises a rotating shaft and an arc-shaped piece, the rotating shaft is rotationally connected with the U-shaped piece one, the rotating shaft is in interference fit connection with the U-shaped piece two, the arc-shaped piece is between the two clamp pieces, a mounting block is fixedly connected to the arc-shaped piece, the mounting block is fixedly installed with the clamp piece, an arc-shaped hole is formed in the arc-shaped piece, a connecting piece is sleeved and fixedly connected to the rotating shaft, a female threaded sleeve pipe matched with the arc-shaped hole is sleeved and fixedly connected to one side of the connecting piece, and an inner hexagonal bolt matched with the female threaded sleeve pipe is in screw connection with the inside of the female threaded sleeve pipe.

[0006] By rotating the U-shaped piece one and the U-shaped piece two along the axial direction of the rotating shaft, the angle between the two clamp pieces can be adjusted, meanwhile, the rotating shaft drives the female threaded sleeve pipe to move in the arc-shaped hole through the connecting piece, the inner hexagonal bolt is rotated to abut against the arc-shaped piece, and thus the two clamp pieces after angle adjustment can be fixed in angle, so that the welding angle of the steel structure can be adjusted according to actual needs.

[0007] Optionally, two through holes are formed in the front and back sides of the clamp piece, a set of fixing assemblies is arranged in each through hole, each fixing assembly comprises a lead screw and a fixed block, matched sliding blocks are sleeved and screw-connected to the two sides of the lead screw, the lead screw is rotationally installed in the through hole, opposite threads are arranged on the two side walls of the through hole, the sliding block is slidingly connected with the through hole, a U-shaped block one is fixedly installed on the side of the sliding block close to the inside of the clamp piece, two U-shaped blocks two are fixedly installed on the side of the fixed block close to the through hole, and a connecting rod is rotationally installed between the U-shaped block one and the U-shaped block two.

[0008] By adopting the above technical scheme, the two sliding blocks are driven to move towards each other by rotating the lead screw, and the connecting rod rotationally installed between the U-shaped block one and the U-shaped block two can drive the fixed block to move horizontally and longitudinally, so that the steel structure passing through the inside of the clamp piece can be fixed, and the stability during welding is ensured.

[0009] Optionally, an angle mark is arranged on the outer wall of the arc-shaped piece.

[0010] By adopting the above technical scheme, the angle between the two clamp pieces can be conveniently observed.

[0011] Optionally, a matched gasket is sleeved on the inner hexagonal bolt.

[0012] By adopting the above technical scheme, the friction between the inner hexagonal bolt and the arc-shaped piece is prevented.

[0013] Optionally, the outer wall of the fixing block is equidistantly and fixedly connected with a plurality of rubber protrusions.

[0014] By adopting the above technical scheme, the friction between the fixing block and the steel structure is reduced.

[0015] Optionally, one end of the lead screw penetrates through one side of the clamp and is fixedly installed with a hand wheel.

[0016] By adopting the above technical scheme, the lead screw is conveniently rotated.

[0017] Compared with the prior art, the beneficial effects of the technical scheme of the present application are as follows:

[0018] 1. The technical scheme of the present application can adjust and fix the angle between the two clamp pieces through the cooperation between the adjusting assembly composed of the shaft, the arc-shaped piece, the arc-shaped hole, the connecting piece, the mounting block, the angle mark, the internally threaded sleeve, the internally hexagonal bolt and the gasket and the U-shaped piece one and the U-shaped piece two, so as to adjust the welding angle of the steel structure according to the actual needs, and the welding is stable and flexible to use.

[0019] 2. The technical scheme of the present application can fix the steel structure penetrating through the inside of the clamp piece through the fixing assembly composed of the lead screw, the fixing block, the sliding block, the U-shaped block one, the U-shaped block two, the connecting rod, the hand wheel and the rubber protrusion, so as to ensure the stability during welding. DETAILED DESCRIPTION

[0020] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0021] Figure 1 It is a structural schematic view of the present application;

[0022] Figure 2 It is a structural schematic view of a set of adjusting assemblies of the present application;

[0023] Figure 3 It is a structural schematic view of the present application; Figure 2 It is an enlarged view of position A in the present application;

[0024] Figure 4 It is a structural schematic view of a set of fixing assemblies of the present application;

[0025] Figure 5 It is an enlarged view of position B in the present application. Figure 4

[0026] ​In the figure: 1, clamp piece; 2, U-shaped piece one; 3, U-shaped piece two; 4, through hole; 5, adjusting assembly; 51, rotating shaft; 52, arc-shaped piece; 53, arc-shaped hole; 54, connecting piece; 55, mounting block; 56, angle mark; 57, internally threaded sleeve; 58, internally hexagonal bolt; 59, gasket; 6, fixing assembly; 61, lead screw; 62, fixing block; 63, sliding block; 64, U-shaped block one; 65, U-shaped block two; 66, connecting rod; 67, hand wheel; 68, rubber protrusion. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-3 The utility model provides a multi-angle adjusting welding fixture for offshore oil steel structure welding, including two clamp pieces 1, the bottom fixed connection of one clamp piece 1 has U-shaped piece one 2, and the top fixed connection of another clamp piece 1 has U-shaped piece two 3, the front and back sides of two clamp pieces 1 are provided with adjusting assembly 5, and each adjusting assembly 5 includes rotating shaft 51 and arc-shaped piece 52, rotating shaft 51 is connected with U-shaped piece one 2, and rotating shaft 51 is connected with U-shaped piece two 3 with interference fit, arc-shaped piece 52 is between two clamp pieces 1, and mounting block 55 is fixedly connected on arc-shaped piece 52, mounting block 55 is fixedly installed with clamp piece 1, arc-shaped hole 53 is formed in arc-shaped piece 52, connecting piece 54 is sleeved and fixedly connected on rotating shaft 51, one side of connecting piece 54 is sleeved and fixedly connected with internally threaded sleeve 57 matched with arc-shaped hole 53, internally threaded sleeve 57 is internally threadedly connected with internally hexagonal bolt 58 matched with it;

[0029] In the technical scheme, by rotating U-shaped piece one 2 and U-shaped piece two 3 with the axial direction of rotating shaft 51 as the center, the angle between two clamp pieces 1 can be adjusted, at the same time, rotating shaft 51 drives internally threaded sleeve 57 to move in arc-shaped hole 53 through connecting piece 54, and rotating internally hexagonal bolt 58 makes it abut against arc-shaped piece 52, so that two clamp pieces 1 after angle adjustment can be angle-fixed, so as to adjust the welding angle of steel structure according to actual needs, and the welding is stable and flexible to use.

[0030] In some technical schemes, such as Figure 1 and Figure 4As shown, the front and rear sides of the clamp piece 1 are provided with two through holes 4, and each through hole 4 is provided with a set of fixing assemblies 6. Each set of fixing assemblies 6 includes a lead screw 61 and a fixed block 62. The lead screw 61 is sleeved and threadedly connected with a matching sliding block 63 on both sides, and the lead screw 61 is rotationally installed inside the through hole 4. The two sides of the lead screw 61 inside the through hole 4 are provided with opposite threads. The sliding block 63 is in sliding connection with the through hole 4, and the sliding block 63 is fixedly installed with a U-shaped block one 64 on the side close to the inside of the clamp piece 1. The fixed block 62 is fixedly installed with two U-shaped block twos 65 on the side close to the through hole 4. The U-shaped block one 64 and the U-shaped block two 65 are rotationally installed with a connecting rod 66 therebetween.

[0031] In use, rotating the lead screw 61 drives the two sliding blocks 63 to move towards each other. Since the connecting rod 66 is rotationally installed between the U-shaped block one 64 and the U-shaped block two 65, the fixed block 62 can be horizontally and longitudinally moved, thereby fixing the steel structure passing through the inside of the clamp piece 1 and ensuring the stability during welding.

[0032] In some technical solutions, as shown in Figure 2 The outer wall of the arc-shaped piece 52 is provided with an angle mark 56.

[0033] In use, the angle mark 56 can be used to conveniently observe the angle between the two clamp pieces 1.

[0034] In some technical solutions, as shown in Figure 3 The inner hexagonal bolt 58 is sleeved with a matching gasket 59.

[0035] In use, the gasket 59 prevents friction between the inner hexagonal bolt 58 and the arc-shaped piece 52.

[0036] In some technical solutions, as shown in Figure 5 The outer wall of the fixed block 62 is fixedly connected with a plurality of rubber protrusions 68 at equal intervals.

[0037] In use, the rubber protrusions 68 reduce the friction between the fixed block 62 and the steel structure.

[0038] In some technical solutions, as shown in Figure 4 One end of the lead screw 61 penetrates through one side of the clamp piece 1 and is fixedly installed with a hand wheel 67.

[0039] In use, the hand wheel 67 is used to conveniently rotate the lead screw 61.

[0040] Working principle: in the use process, U-shaped piece one 2 and U-shaped piece two 3 rotate with the axial direction of rotating shaft 51 as the center, that is, the angle between the two clamp pieces 1 can be adjusted, at the same time, rotating shaft 51 drives inner threaded sleeve 57 to move inside arc-shaped hole 53 through connecting piece 54, rotating inner hexagonal bolt 58 makes it abut against arc-shaped piece 52, that is, the two clamp pieces 1 after angle adjustment can be angle-fixed, the two marine oil steel structures to be welded pass through the two clamp pieces 1, rotating corresponding hand wheel 67, lead screw 61 rotates to drive two sliding blocks 63 to move towards each other, since connecting rod 66 is rotatably installed between U-shaped block one 64 and U-shaped block two 65, that is, fixed block 62 can be horizontally and longitudinally moved to drive the steel structure inside the clamp piece 1 to be fixed, the stability during welding is ensured.

[0041] The above only provides the preferred embodiments of the present application and is not used to limit the present application. Although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A multi-angle adjustable welding fixture for welding steel structures in marine oil fields, comprising two fixture components (1), characterized in that: A U-shaped part (2) is fixedly connected to the bottom of one of the clamping parts (1), and a U-shaped part (3) is fixedly connected to the top of the other clamping part (1). Adjustment components (5) are provided on the front and rear sides of both clamping parts (1). Each adjustment component (5) includes a rotating shaft (51) and an arc-shaped part (52). The rotating shaft (51) is rotatably connected to the U-shaped part (2), and the rotating shaft (51) is interference-fitted with the U-shaped part (3). The arc-shaped part (52) is located between the two clamping parts. Between the components (1), and a mounting block (55) is fixedly connected to the arc-shaped component (52). The mounting block (55) is fixedly installed with the clamp component (1). An arc-shaped hole (53) is opened on the arc-shaped component (52). A connector (54) is sleeved and fixedly connected on the rotating shaft (51). An internal threaded sleeve (57) matching the arc-shaped hole (53) is sleeved and fixedly connected on one side of the connector (54). A matching internal hexagon bolt (58) is connected to the internal thread of the internal threaded sleeve (57).

2. The multi-angle adjustable welding fixture for welding marine oil steel structures according to claim 1, characterized in that, The clamp (1) has two through holes (4) on its front and rear sides. Each through hole (4) is equipped with a set of fixing components (6). Each set of fixing components (6) includes a lead screw (61) and a fixing block (62). The lead screw (61) is fitted with matching sliders (63) on both sides and threadedly connected. The lead screw (61) is rotatably installed inside the through hole (4). The outer walls of the lead screw (61) inside the through hole (4) are provided with opposite threads. The slider (63) is slidably connected to the through hole (4). A U-shaped block (64) is fixedly installed on the side of the slider (63) near the inside of the clamp (1). Two U-shaped blocks (65) are fixedly installed on the side of the fixing block (62) near the through hole (4). A connecting rod (66) is rotatably installed between the U-shaped block (64) and the U-shaped block (65).

3. The multi-angle adjustable welding fixture for welding marine oil steel structures according to claim 1, characterized in that, Angle marks (56) are provided on the outer wall of the arc-shaped component (52).

4. The multi-angle adjustable welding fixture for welding marine oil steel structures according to claim 1, characterized in that, The socket head cap screw (58) is fitted with a matching washer (59).

5. The multi-angle adjustable welding fixture for welding marine oil steel structures according to claim 2, characterized in that, The outer wall of the fixing block (62) is fixedly connected with several rubber protrusions (68) at equal intervals.

6. The multi-angle adjustable welding fixture for welding marine oil steel structures according to claim 2, characterized in that, One end of the lead screw (61) passes through one side of the clamp (1) and is fixedly mounted with a handwheel (67).

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