Welding jig for lifting lug end cover of compressor

Abstract

The utility model relates to the field of compressor assembly equipment, and discloses a welding jig for a lifting lug end cover of a compressor, which comprises a mounting underframe, a first direction adjusting plate, a second direction adjusting plate, an inclined adjusting plate and a rotary adjusting plate. According to the lifting lug end cover welding device, the multi-direction adjusting function, including position adjusting, angle adjusting and rotating direction adjusting, during lifting lug end cover welding is achieved, it is ensured that parallel lifting lugs are stably welded to an inclined end cover, therefore, the height alignment and accuracy in the lifting lug and end cover welding process are ensured, and the welding quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a compressor assembly equipment field, specifically, relate to a kind of welding fixture for compressor lifting lug end cover. BACKGROUND

[0002] Compressor is one of the core components of air conditioning system, and its main role is to realize the cycle refrigeration effect by compressing refrigerant gas. The traditional compressor usually includes shell, stator, rotor, end cover and liquid tank and other basic components. In order to ensure the assembly accuracy, the top end cover of the compressor needs to be accurately positioned before being pressed. In addition, in order to facilitate transportation, the end cover is also designed with a lifting lug structure, and the transportation and installation of the compressor are realized by pulling the lifting lug by a crane. However, the existing technology has certain deficiencies in the positioning and transportation process, and additional alignment measures and more manpower are often required, which increases the operation complexity and labor cost. Therefore, how to improve the installation and transportation structure of the compressor to simplify the assembly process and improve the operation efficiency has become a problem to be solved by the technical personnel in the field.

[0003] For the problem of setting lifting lug on compressor end cover, relevant research has been carried out in the industry, such as a compressor end cover, the outer edge of the end cover body extends outward with four fixed ears distributed at equal intervals, the fixed installation hole is arranged on the fixed ear, the reinforcing rib is arranged on the fixed ear on both sides of the fixed installation hole, and the reinforcing rib is connected with the outer edge of the end cover body. The transportation and installation of the compressor can be realized by pulling the lifting lug by a crane. Since the fixed ear of the end cover is connected in parallel with the end cover, the end cover is not suitable for matching some non-standard compressors. Since the top of the non-standard compressor may be inclined, the fixed ear of the end cover of the equipment is inclined, which may cause unstable transportation or falling during the pulling of the lifting lug by the crane to realize the transportation of the compressor. UTILITY MODEL CONTENTS

[0004] The utility model overcomes the technical problems existing in the prior art, and is a welding fixture for compressor lifting lug end cover.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows:

[0006] A welding fixture for compressor lifting lug end cover, comprising: a mounting chassis, a first orientation adjustment plate, a second orientation adjustment plate, an inclination adjustment plate and a rotation adjustment plate;

[0007] The first orientation adjustment plate is arranged on the mounting chassis, and is used for adjusting the orientation;

[0008] The second orientation adjustment plate is arranged on the first orientation adjustment plate, and is used for adjusting the orientation;

[0009] The tilt adjustment plate is arranged on the top of the second azimuth adjustment plate (3) for adjusting the tilt angle of the welding of the lifting lug and the end cover.

[0010] The rotation adjustment plate is arranged on the top of the tilt adjustment plate for adjusting the azimuth of the welding of the lifting lug and the end cover.

[0011] Preferably, the mounting base is provided with a first azimuth adjustment plate for adjusting the azimuth of one end edge, and the first azimuth adjustment plate is provided with a second azimuth adjustment plate for adjusting the azimuth of the other end edge.

[0012] Further, the mounting base is further provided with a position adjusting device for adjusting the position of the first azimuth adjustment plate, and the first azimuth adjustment plate is further provided with a position adjusting device for adjusting the position of the second azimuth adjustment plate.

[0013] Further, the mounting base is provided with a first azimuth positioning hole, and the first azimuth adjustment plate is provided with a first positioning groove; the first positioning groove of the first azimuth adjustment plate is connected to the first azimuth positioning hole of the mounting base through a bolt and can slide along the length direction of the first positioning groove.

[0014] Further, the first azimuth adjustment plate is provided with a second azimuth positioning hole, and the second azimuth adjustment plate is provided with a second positioning groove; the second positioning groove of the second azimuth adjustment plate is connected to the second azimuth positioning hole of the first azimuth adjustment plate through a bolt and can slide along the length direction of the second azimuth positioning hole.

[0015] Further, the bottom of the tilt adjustment plate is provided with an inclined plate connecting hole, the top of the second azimuth adjustment plate 3 is provided with a square plate connecting hole, and the inclined plate connecting hole of the tilt adjustment plate is connected to the square plate connecting hole of the second azimuth adjustment plate through a bolt.

[0016] Preferably, the bottom of the tilt adjustment plate is horizontal, and the top of the tilt adjustment plate is arranged in an inclined manner, so that the installed end cover is inclined for welding with the lifting lug.

[0017] Further, the top of the tilt adjustment plate is an inclined plate block, a plurality of inclined plate positioning holes are arranged in a circumferential array on the inclined plate block, and a circumferential groove is arranged on the rotation adjustment plate; the circumferential groove of the rotation adjustment plate is connected to the inclined plate positioning hole of the tilt adjustment plate through a bolt and can rotate along the length direction of the inclined plate positioning hole.

[0018] Further, through grooves are arranged in the middle of the base, the first azimuth adjustment plate, the second azimuth adjustment plate, the tilt adjustment plate, and the rotation adjustment plate, and an end cover of a compressor is mounted on the rotation adjustment plate, and a welding part contacts the end cover through the through groove to weld the lifting lug.

[0019] Further, a plurality of connecting holes for fixing positions are arranged on the mounting base.

[0020] Further, a fixing hook is rotatably connected to the connecting hole, and the fixing hook is used as an isolation layer between the connecting hole and the connecting component.

[0021] Further, a handrail is arranged on the mounting base for carrying.

[0022] Compared with the prior art, the beneficial effects of the technical scheme of the utility model are:

[0023] ①Through the combination of the first orientation adjusting plate, the second orientation adjusting plate, the inclined adjusting plate and the rotating adjusting plate, multi-orientation adjusting functions during the welding of the lug end cover are realized, including position adjustment, angle adjustment and rotation orientation adjustment, so that stable welding of parallel lugs on the inclined end cover is ensured, thereby ensuring the height alignment and accuracy during the welding of the lugs and the end cover, and improving the welding quality.

[0024] ②The plurality of adjusting plates are connected through the positioning groove, the positioning hole and the bolt, which can not only provide stable connection effects, but also can slide along the length direction of the positioning groove, so that flexible adjustment of different welding requirements is met, the adjustment process is simplified, and the operation efficiency is improved.

[0025] ③The inclined adjusting plate is connected with the square plate through the inclined plate connecting hole and the square plate connecting hole, and is combined with the inclined plate block at the top, so that the welding angle of the lug can be accurately adjusted, thereby adapting to various welding angle requirements and improving the applicability.

[0026] ④The rotating adjusting plate is provided with a circumferential groove, and the inclined plate positioning hole of the inclined adjusting plate is connected through the bolt, so that rotation adjustment is realized, the flexible adjustment and rapid positioning of the welding angle of the lug are ensured, and the assembly and welding efficiency is improved.

[0027] ⑤The adjusting plates are assembled through a detachable connection mode, the modular design facilitates the maintenance and replacement of the parts, prolongs the service life of the jig, and reduces the maintenance cost.

[0028] ⑥The mounting base is provided with a plurality of connecting holes, and is provided with a fixing hook and a handrail, so that the installation and carrying of the jig are facilitated, and the isolation layer between the connecting components is provided through the fixing hook, and the operation safety is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical scheme of the utility model, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0030] Figure 1 It is a structural schematic view of the welding jig for the compressor lug end cover.

[0031] Figure 2 Structure diagram of the mounting base;

[0032] Figure 3 Structure diagram of the first azimuth adjustment plate;

[0033] Figure 4 Structure diagram of the cooperation between the mounting base and the first azimuth adjustment plate;

[0034] Figure 5 Structure diagram of the first structure of the tilt adjustment plate;

[0035] Figure 6 Structure diagram of the second structure of the tilt adjustment plate;

[0036] Figure 7 Structure diagram of the cooperation between the second azimuth adjustment plate and the tilt adjustment plate;

[0037] Figure 8 Structure diagram of the cooperation between the tilt adjustment plate and the rotation adjustment plate.

[0038] Wherein,

[0039] 1. The mounting base; 101. The first azimuth positioning hole; 102. The azimuth connecting hole; 103. The fixing hook; 104. The handrail;

[0040] 2. The first azimuth adjustment plate; 201. The first positioning groove; 202. The second azimuth positioning hole;

[0041] 3. The second azimuth adjustment plate; 301. The second positioning groove; 302. The square plate connecting hole;

[0042] 4. The tilt adjustment plate; 401. The inclined plate connecting hole; 402. The inclined plate positioning hole;

[0043] 5. The rotation adjustment plate; 501. The circumferential groove;

[0044] 6. The position adjusting device;

[0045] 7. The compressor end cover. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments, all other embodiments obtained by those of ordinary skill in the art without any creative effort fall within the scope of protection of the present application.

[0047] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. Unless otherwise defined, the technical terms or scientific terms used in the present application shall have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terms "first", "second", and similar terms are not intended to denote any order, quantity, or importance, but are used to distinguish different components. The terms "include" or "contain" and similar terms mean that the elements or objects before the terms encompass the elements or objects listed after the terms and their equivalents, and do not exclude other elements or objects. The terms "connected" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent relative positional relationships, which may change accordingly when the absolute position of the described object changes.

[0048] Embodiment 1

[0049] As shown in Figures 1-8 The present embodiment discloses a welding jig for compressor lug end cover, comprising: a mounting chassis 1, a first orientation adjusting plate 2, a second orientation adjusting plate 3, an inclination adjusting plate 4 and a rotating adjusting plate 5.

[0050] The first orientation adjusting plate 2 is provided on the mounting chassis 1 for adjusting the orientation.

[0051] The second orientation adjusting plate 3 is provided on the first orientation adjusting plate 2 for adjusting the side orientation.

[0052] The inclination adjusting plate 4 is provided on the top of the second orientation adjusting plate 3 for adjusting the inclination angle of the end cover lug welding.

[0053] The rotating adjusting plate 5 is provided on the top of the inclination adjusting plate 4 for adjusting the orientation of the lug welding with the compressor end cover 7.

[0054] In operation, the mounting chassis 1 of the welding jig is placed on the workbench and fixed through the orientation connecting hole 102 on the chassis. If necessary, the fixed hook 103 can be used to isolate and protect the connection between the chassis and the workbench.

[0055] Then, the first orientation adjusting plate 2 is preliminarily positioned and fixed by using the first orientation positioning hole 101 on the mounting chassis and the first positioning groove 201 on the first orientation adjusting plate 2, to ensure that the jig is in a generally appropriate welding position.

[0056] According to the angle requirement of the welding of the lug end cover, the inclination adjusting plate 4 is adjusted to adjust the inclination angle, the inclination adjusting plate 4 is connected through the inclined plate connecting hole 401 at the bottom thereof and the square plate connecting hole 302 at the top of the second orientation adjusting plate to change the angle, the rotating adjusting plate 5 is adjusted by the bolt connection between the circumferential groove 501 thereon and the inclined plate positioning hole 402 of the inclination adjusting plate to adjust the welding orientation of the lug end cover;

[0057] After confirming the positions and angles of all the adjusting plates, the lug end cover is installed in place through the through slot in the jig, and it is checked whether the welding part can smoothly contact the welding position of the end cover, then the electrode of the welding part is passed through the through slot in the jig to weld the compressor end cover 7 and the lug, after the welding is completed, the welding jig is reset, and each adjusting plate is returned to the original position, facilitating subsequent use.

[0058] Specifically, according to the welding position requirement, the first orientation adjusting plate 2 is slid along the length direction of the positioning groove thereof for fine adjustment to adjust the horizontal position of the welding direction;

[0059] The second orientation adjusting plate 3 is adjusted by sliding along the second orientation positioning hole 202 of the first orientation adjusting plate 2 through the second positioning groove 301 thereof to realize the vertical fine adjustment of the welding position.

[0060] As a specific embodiment, the installation chassis 1 is further provided with a position adjusting device 6 for adjusting the position of the first orientation adjusting plate 2, and the first orientation adjusting plate 2 is further provided with a position adjusting device 6 for adjusting the position of the second orientation adjusting plate 3.

[0061] Specifically, the installation chassis 1 of the welding jig is fixed on the workbench, the chassis is stably installed by using the orientation connecting hole 102 and the fixing hook 103 on the chassis to ensure the stability of the jig; the first orientation adjusting plate 2 is preliminarily adjusted by the position adjusting device 6 to be located at the approximate welding position.

[0062] During adjustment, the first orientation adjusting plate 2 is slid or rotated along the direction of the chassis by the position adjusting device 6 on the installation chassis for fine adjustment, then it is observed whether the first positioning groove 201 on the first orientation adjusting plate 2 is aligned with the first orientation positioning hole 101 of the chassis, and the position is fixed by the position adjusting device 6 to complete the preliminary horizontal positioning of the lug end cover welding area; then the second orientation adjusting plate 3 is slid along the second orientation positioning hole 202 of the first orientation adjusting plate 4 by the second positioning groove 301 thereon to realize vertical adjustment.

[0063] By setting two-stage position adjusting devices 6, independent adjustment of the first orientation and the second orientation is realized, the welding position between the lug and the compressor end cover 7 is ensured to be accurate, the operator can quickly complete the positioning, the complexity of the process is reduced, and the production efficiency is improved.

[0064] As a specific embodiment, the mounting base 1 is provided with a first orientation positioning hole 101, and the first orientation adjusting plate 2 is provided with a first positioning groove 201; the first positioning groove 201 of the first orientation adjusting plate 2 is connected to the first orientation positioning hole 101 of the mounting base 1 through a bolt, and can slide along the length direction of the first positioning groove 201.

[0065] Specifically, the first orientation adjusting plate 2 is mounted on the mounting base 1, the bolt is passed through the first positioning groove 201 of the first orientation adjusting plate 2 and the first orientation positioning hole 101 of the mounting base 1, and then the fastening degree of the bolt is adjusted, so that the first orientation adjusting plate 2 can slide within a certain range but remains stable, which can realize accurate sliding adjustment and stable fixation through the bolt, avoid displacement error in the welding process, and improve the welding quality.

[0066] According to the specific size and welding requirement of the compressor lug end cover, the first orientation adjusting plate 2 is adjusted to slide along the length direction of the first positioning groove 201 manually or by a tool, so that the welding jig reaches the required initial positioning, thereby improving the adaptability of the welding jig to compressor lug end covers of different sizes and specifications, reducing the frequency of changing the jig due to the change of the workpiece size, and saving the production cost.

[0067] As a specific embodiment, the first orientation adjusting plate 2 is provided with a second orientation positioning hole 202, and the second orientation adjusting plate 3 is provided with a second positioning groove 301; the second positioning groove 301 of the second orientation adjusting plate 3 is connected to the second orientation positioning hole 202 of the first orientation adjusting plate 2 through a bolt, and can slide along the length direction of the second orientation positioning hole 202.

[0068] Specifically, the second orientation positioning hole 202 is arranged on the first orientation adjusting plate 2, and is usually in the shape of a long slot or an oval hole, so as to provide a sliding adjustment space in a specific direction;

[0069] Through the long hole design of the second orientation positioning hole 202 and the sliding cooperation of the bolt, the second orientation adjusting plate 3 can freely slide along the length direction relative to the first orientation adjusting plate 2, providing flexible adjustment capability and meeting the requirements in different working scenarios.

[0070] Specifically, the second positioning groove 301 is designed as a fixed point, so that the stress of the bolt is uniformly distributed, avoiding structural looseness caused by uneven multi-point stress. At the same time, the vibration resistance is further improved by cooperating with the flat washer and the spring washer, adapting to the application scenarios of high dynamic load; the standard bolt and the auxiliary part are used as the connecting components, the structure is simple, the installation is convenient, and the machining difficulty and the manufacturing cost are reduced.

[0071] Embodiment 2

[0072] As Figures 1-8As shown, the embodiment discloses a welding jig for compressor lug end cover, comprising: a mounting chassis 1, a first orientation adjustment plate 2, a second orientation adjustment plate 3, an inclination adjustment plate 4 and a rotation adjustment plate 5;

[0073] The first orientation adjustment plate 2 is arranged on the mounting chassis 1 for adjusting the orientation.

[0074] The second orientation adjustment plate 3 is arranged on the first orientation adjustment plate 2 for adjusting the side orientation.

[0075] The inclination adjustment plate 4 is arranged on the top of the second orientation adjustment plate 3 for adjusting the inclination angle of the end cover lug welding.

[0076] The rotation adjustment plate 5 is arranged on the top of the inclination adjustment plate 4 for adjusting the orientation of the lug and the end cover welding.

[0077] As a specific embodiment, the embodiment provides a mechanical connection structure for position adjustment, which comprises the inclination adjustment plate 4 and the second orientation adjustment plate 3, the bottom of the inclination adjustment plate 4 is provided with a slope plate connecting hole 401 for mechanical connection, and the top of the second orientation adjustment plate 3 is provided with a corresponding square plate connecting hole 302, the slope plate connecting hole 401 of the inclination adjustment plate 4 assembly and the square plate connecting hole 302 of the second orientation adjustment plate 3 are fixedly connected through bolts, so as to form a stable and adjustable mechanical connection structure.

[0078] Specifically, the inclination adjustment plate 4 is made of reinforced metal material, the slope plate connecting hole 401 at the bottom of the inclination adjustment plate 4 is along the inclination direction, the hole diameter is matched with the standard bolt diameter, and appropriate tolerance is matched so as to optimize the inclination angle of the slope plate connecting hole 401, so as to ensure that the inclination adjustment plate 4 can provide flexible angle adjustment capability under various working conditions, can realize the inclination and fixation of the angle, and is suitable for scenes of multi-angle adjustment.

[0079] The square plate connecting hole 302 at the top of the second orientation adjustment plate 3 is a through hole structure, which is correspondingly arranged with the slope plate connecting hole 401; the position of the square plate connecting hole 302 is accurately measured to ensure efficient connection with the inclination adjustment plate 4. The second orientation adjustment plate 3 is also made of high-strength material and has good bearing capacity.

[0080] In actual use, the connection between the inclination adjustment plate 4 and the second orientation adjustment plate 3 is realized by penetrating the slope plate connecting hole 401 and the square plate connecting hole 302 with the bolt and locking the bolt; the torque of the angle of the inclination adjustment plate 4 can be adjusted by adjusting the tightness of the bolt, so as to meet different installation requirements.

[0081] In the assembly process, first, the inclined adjustment plate 4 is pre-aligned with the second orientation adjustment plate 3, the inclined plate connecting hole 401 is completely overlapped with the square plate connecting hole 302, then the bolt is inserted and connected step by step, and the contact surface between the parts is uniformly fitted to avoid loose connection caused by uneven force.

[0082] As a specific embodiment, the top of the inclined adjustment plate 4 is an inclined plate block, and a plurality of inclined plate positioning holes 402 are arranged in a circumferential array on the inclined plate block. The rotating adjustment plate 5 is provided with a circumferential groove 501; the circumferential groove 501 of the rotating adjustment plate 5 is connected to the inclined plate positioning hole 402 of the inclined adjustment plate 4 through a bolt, and can rotate along the length direction of the inclined plate positioning hole 402.

[0083] Specifically, the rotating adjustment plate 5 is arranged at the top of the inclined adjustment plate 4, and is connected to the inclined plate positioning hole 402 of the inclined adjustment plate 4 through the circumferential groove 501 and the bolt. The rotating adjustment plate 5 can rotate along the length direction of the inclined plate positioning hole 402, so as to adjust the orientation of the lug welded with the compressor end cover 7. The rotating adjustment plate 5 is further provided with a locking device to ensure that it is fixed after being adjusted to the appropriate position.

[0084] Specifically, through the design of multiple levels of adjustment plates, the welding position can be accurately adjusted in multiple dimensions, including X-axis, Y-axis and inclination angle, which helps to improve the welding precision and ensure that each welding point reaches the best state.

[0085] The multi-level adjustment design of the jig has high flexibility and adjustability. Whether it is a different type of compressor or a different size of lug end cover, the welding requirements of different sizes can be met by adjusting the adjustment plates. Since the adjustment process is simple and fast, the operator can quickly complete the adjustment of the jig, thereby improving production efficiency and reducing rework and scrap rate caused by improper adjustment.

[0086] The jig can be modularized by splicing multiple multi-level adjustment plates. The modular design of the jig makes each component easy to disassemble and replace. If a part is damaged or worn out, it can be replaced individually without replacing the entire jig, reducing maintenance costs.

[0087] As a specific embodiment, the bottom frame 1, the first orientation adjustment plate 2, the second orientation adjustment plate 3, the inclined adjustment plate 4 and the rotating adjustment plate 5 are all provided with through grooves, and the rotating adjustment plate 5 is installed for the compressor end cover 7. The welding component contacts the end cover through the through groove to weld the lug.

[0088] Specifically, the first orientation adjustment plate 2 is installed on the mounting chassis 1 through a sliding rail or guide rail and can move in the horizontal direction (X-axis), so as to adjust the position of the entire jig in the X-axis direction; the second orientation adjustment plate 3 is installed on the first orientation adjustment plate 2 and can move in the vertical direction (Y-axis), so as to further adjust the position of the jig in the Y-axis direction.

[0089] By providing a through slot in each adjustment plate, the electrode of the welding component can directly pass through the through slot of each adjustment plate to contact the end cover for welding, thereby avoiding an additional positioning step, simplifying the welding process, and further improving the welding efficiency and quality.

[0090] Embodiment 3

[0091] As shown in Figures 1-8 the embodiment discloses a welding jig for a compressor lug end cover, comprising a mounting chassis 1, a first orientation adjustment plate 2, a second orientation adjustment plate 3, an inclination adjustment plate 4, and a rotation adjustment plate 5.

[0092] The mounting chassis 1 is provided with the first orientation adjustment plate 2 for adjusting the orientation.

[0093] The first orientation adjustment plate 2 is provided with the second orientation adjustment plate 3 for adjusting the side orientation.

[0094] The inclination adjustment plate 4 is arranged on the top of the second orientation adjustment plate 3 and is used for adjusting the inclination angle of the lug welding of the end cover.

[0095] The rotation adjustment plate 5 is arranged on the top of the inclination adjustment plate 4 and is used for adjusting the orientation of the lug welding of the end cover.

[0096] As a specific embodiment, the mounting chassis 1 is provided with a plurality of orientation connection holes 102 for fixing the position;

[0097] The orientation connection hole 102 is rotatably connected with a fixing hook 103, and the fixing hook 103 is used as an isolation layer between the orientation connection hole 102 and the connecting component.

[0098] The mounting chassis 1 is provided with a carrying handrail 104.

[0099] Specifically, the mounting chassis 1 is provided with a plurality of orientation connection holes 102, which are used for fixing the position of the first orientation adjustment plate 2; the orientation connection hole 102 is usually a threaded hole, and the first orientation adjustment plate 2 can be firmly fixed on the mounting chassis 1 through a bolt or screw, so that it can freely rotate when needed;

[0100] The fixing hook 103 on the azimuth connecting hole 102 can prevent the connecting component from directly contacting the base frame 1, reduces the abrasion and improves the service life of the connecting component, the design of the fixing hook 103 also increases the stability of the connection, and the whole jig is more firm and reliable.

[0101] Specifically, the mounting base 1 is provided with a carrying handrail 104, which is convenient for the operator to move and adjust the position of the jig, especially in the working environment where the jig needs to be frequently moved, and greatly improves the operation convenience.

[0102] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not a limitation on the embodiments of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A welding jig for a compressor lug end cover, characterized by, The utility model relates to a kind of installation base frame (1), first azimuth adjustment plate (2), second azimuth adjustment plate (3), tilt adjustment plate (4) and rotation adjustment plate (5);The installation base frame (1) is equipped with first azimuth adjustment plate (2), for adjusting azimuth;Second azimuth adjustment plate (3) is equipped on the first azimuth adjustment plate (2), for adjusting edge azimuth;Tilt adjustment plate (4) is arranged in the top of second azimuth adjustment plate (3), for adjusting the inclination angle of end cover lifting lug welding;Rotation adjustment plate (5) is arranged in the top of tilt adjustment plate (4), for adjusting the azimuth of lifting lug and end cover welding. The installation base frame (1) is further equipped with the position adjusting device (6) for adjusting the position of first azimuth adjustment plate (2), and the first azimuth adjustment plate (2) is further equipped with the position adjusting device (6) for adjusting the position of second azimuth adjustment plate (3). The installation base frame (1) is equipped with first azimuth positioning hole (101), and the first azimuth adjustment plate (2) is equipped with first positioning groove (201);The first positioning groove (201) of the first azimuth adjustment plate (2) is connected to the first azimuth positioning hole (101) of the installation base frame (1) by bolts, and can slide along the length direction of the first positioning groove (201). The first azimuth adjustment plate (2) is equipped with second azimuth positioning hole (202), and the second azimuth adjustment plate (3) is equipped with second positioning groove (301);The second positioning groove (301) of the second azimuth adjustment plate (3) is connected to the second azimuth positioning hole (202) of the first azimuth adjustment plate (2) by bolts, and can slide along the length direction of the second azimuth positioning hole (202). The bottom of the tilt adjustment plate (4) is equipped with inclined plate connecting hole (401), the top of the second azimuth adjustment plate (3) is equipped with square plate connecting hole (302), and the inclined plate connecting hole (401) of the tilt adjustment plate (4) is connected to the square plate connecting hole (302) of the second azimuth adjustment plate (3) by bolts. The top of the tilt adjustment plate (4) is an inclined plate, and a plurality of inclined plate positioning holes (402) are arranged in the circumferential direction on the inclined plate, and a circumferential groove (501) is arranged on the rotation adjustment plate (5);The circumferential groove (501) of the rotation adjustment plate (5) is connected to the inclined plate positioning hole (402) of the tilt adjustment plate (4) by bolts, and can rotate along the length direction of the inclined plate positioning hole (402).

2. The welding jig for a compressor lug end cover of claim 1, wherein, The installation base frame (1), the first azimuth adjustment plate (2), the second azimuth adjustment plate (3), the tilt adjustment plate (4) and the rotation adjustment plate (5) are all equipped with through grooves, and the end cover of the compressor is mounted on the rotation adjustment plate (5), and the welding components are welded to the lifting lug through the through grooves.

3. The welding jig for a compressor lug end cover of claim 1, wherein, The installation base frame (1) is equipped with a plurality of azimuth connecting holes (102) for fixing position.

4. The welding jig for a compressor lug end cover of claim 1, wherein, The azimuth connecting hole (102) is rotatably connected with a fixing hook (103), and the fixing hook (103) is used as an isolation layer between the azimuth connecting hole (102) and the connecting component.

5. The welding jig for compressor lug end cover of claim 1, wherein, The installation base frame (1) is equipped with a handrail (104) for carrying.

6. The welding jig for compressor lug end cover of claim 1, wherein, ​ 7. The welding jig for compressor lug end cover of claim 1, wherein, ​ 8. The welding jig for compressor lug end cover of claim 1, wherein, ​ 9. The welding jig for compressor lug end cover of claim 8, wherein, ​ 10. The welding jig for compressor lug end cover of claim 1, wherein, ​

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