CN219617013U - Shell combined positioning welding assembly - Google Patents
Shell combined positioning welding assembly Download PDFInfo
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- CN219617013U CN219617013U CN202223601993.7U CN202223601993U CN219617013U CN 219617013 U CN219617013 U CN 219617013U CN 202223601993 U CN202223601993 U CN 202223601993U CN 219617013 U CN219617013 U CN 219617013U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses a shell combined positioning welding assembly. The housing assembly includes a cylinder and an end ring welded to an end of the cylinder, the welding assembly including: the device comprises a bottom plate, a pressure plate, a connecting shaft and a hoop, wherein a first boss is arranged on the upper surface of the bottom plate and used for supporting the inner surface of the end ring; the lower surface of the pressure plate is provided with a second boss, a third boss is arranged on the surface of one side of the second boss far away from the pressure plate, the orthographic projection of the third boss on the second boss is positioned in the second boss, and one of the second boss and the third boss is used for supporting the inner surface of the end ring, and the other one is used for supporting the inner surface of the cylinder; the first end of the connecting shaft is connected with the bottom plate, and the second end of the connecting shaft is detachably connected with the pressure plate; the anchor ear is used for fixing the surface of end ring and/or drum, and the anchor ear has a plurality of welding windows along its circumference direction interval distribution. The assembly is simple in structure, low in manufacturing cost, reliable in positioning, convenient to operate and easy to process, and production efficiency can be remarkably improved.
Description
Technical Field
The utility model belongs to the field of materials, and particularly relates to a shell combined positioning welding assembly.
Background
The shell assembly of a certain model is formed by welding an end ring and a cylinder, the thickness of the end ring is larger, the machining of dimensional tolerance and form tolerance of the end ring can be ensured, the cylinder is not easy to deform, the thickness of the cylinder is thinner and easy to deform, the positioning accuracy of the currently used positioning welding device is not high, particularly the dislocation quantity of two sides of a joint can not meet the requirement all the time, and the positioning welding device has a complex structure, is difficult to assemble and disassemble and has low efficiency. Based on the shell combination production of a certain model, the production enters a batch production stage from a development stage, the production quantity is increased from original several parts to thousands of parts, and the existing processing technology can not adapt to the quality and progress requirements of mass production.
Disclosure of Invention
The present utility model is mainly based on the following problems and findings:
the working principle of the existing combined positioning welding device for a certain shell is that the inner support is expanded, the inner diameters of two end rings are smaller, the inner support device is required to shrink in diameter when in use, the diameter is enlarged when the inner support device enters the joint, the accessibility and the visibility are not ideal, the operation is difficult, the processing efficiency is lower, and meanwhile, the dislocation of individual arc sections at two sides of the joint is easy to be caused because the inner support force is insufficient; meanwhile, as the diameter of the working round surface of the positioning device needs to be contracted and expanded, a plurality of parts are needed to be matched with each other, so that the processing device is complex in structure, difficult to process and high in cost.
Based on this, the present utility model aims to solve at least one of the technical problems in the related art to some extent. To this end, one object of the present utility model is to propose a housing combination tack weld assembly. The assembly is simple in structure, low in manufacturing cost, reliable in positioning, convenient to operate and easy to process, and production efficiency can be remarkably improved.
In one aspect of the utility model, a housing combination tack weld assembly is provided. According to an embodiment of the utility model, the housing assembly comprises a cylinder and an end ring welded to an end of the cylinder, the welding assembly comprising:
the upper surface of the bottom plate is provided with a first boss which is used for supporting the inner surface of the end ring;
the lower surface of the pressure plate is provided with a second boss, a third boss is arranged on the surface of one side, far away from the pressure plate, of the second boss, the orthographic projection of the third boss on the second boss is positioned in the second boss, and one of the second boss and the third boss is used for supporting the inner surface of the end ring, and the other is used for supporting the inner surface of the cylinder;
the first end of the connecting shaft is connected with the bottom plate, and the second end of the connecting shaft is detachably connected with the pressure plate;
the anchor ear is used for fixing the outer surface of the end ring and/or the cylinder, and a plurality of welding windows are distributed at intervals along the circumferential direction of the anchor ear.
According to the shell combination positioning welding assembly disclosed by the embodiment of the utility model, the first boss is arranged on the bottom plate, the inner surface of the end ring can be effectively supported, the second boss and the third boss are arranged on the pressing plate and can be used for supporting the inner surface of the cylinder or the end ring, the position to be welded of the cylinder is correspondingly connected with the position to be welded of the end ring through the mutual matching of the bottom plate, the connecting shaft and the pressing plate, the end ring and/or the outer surface of the cylinder are fixed at the bottom plate through the anchor ear, and the inner and outer interaction forces support the end ring and the cylinder which is easy to deform to the theoretical circle, so that each part in the shell combination can be reliably positioned, the dislocation quantity, the seam clearance and the straightness of two sides of the circumferential seam of the cylinder and the end ring are effectively controlled, the relative position and the accuracy of each part in the welding process are favorably ensured, and the shell combination obtained through welding can reach the design requirement; in addition, the shell combined positioning welding assembly is provided with the plurality of welding windows which are distributed at intervals in the circumferential direction of the anchor ear, so that the accurate welding of the limiting cylinder and the end ring is facilitated, the uniformity of the welding seam butt joint size is further effectively controlled, and the convenience and the production efficiency of welding operation are improved; in addition, this fixed-position welding subassembly passes through the connecting axle and realizes the connection of bottom plate and pressure disk, and not only simple structure, the cost of manufacture is lower, and connecting axle and pressure disk detachable connection's design still is convenient for according to the distance between barrel and the end ring number adjustment bottom plate and the end ring, realizes the loading and unloading of each part in the casing combination, convenient and fast can increase substantially machining efficiency. Therefore, the assembly is simple in structure, low in manufacturing cost, reliable in positioning, convenient to operate and easy to process, production efficiency can be remarkably improved, and quality and progress requirements of shell combination batch production can be effectively met.
In addition, the shell combined positioning welding assembly according to the embodiment of the utility model can also have the following additional technical characteristics:
optionally, each of the first boss, the second boss, and the third boss is independently cylindrical.
Optionally, the heights of the first boss, the second boss and the third boss are respectively and independently 2-5 mm.
Optionally, the inner diameter of the end ring is smaller than the inner diameter of the cylinder, the outer diameter of the end ring is not smaller than the outer diameter of the cylinder, and the diameter of the first boss is 0.1-0.2 mm smaller than the inner diameter of the end ring.
Optionally, the diameter of the second boss is 0.1-0.2 mm smaller than the inner diameter of the cylinder.
Optionally, the diameter of the third boss is 0.1-0.2 mm smaller than the inner diameter of the end ring.
Optionally, the first end of the connecting shaft is detachably connected to the base plate.
Optionally, a blind hole is formed in the middle of the first boss, and the first end of the connecting shaft is connected with the blind hole in a plugging or threaded mode.
Optionally, the housing combination tack weld assembly further comprises: and the second end of the connecting shaft penetrates through the pressure plate to be connected with the fastener.
Optionally, the second end of the connecting shaft is threadably coupled to the fastener.
Optionally, the inner wall of the lower part of the anchor ear is fixed to the outer surface of the end ring, and the inner wall of the upper part of the anchor ear is fixed to the outer surface of the cylinder.
Optionally, the inner diameter of the anchor ear is 0.1-0.2 mm larger than the outer diameter of the end ring and/or the cylinder.
Optionally, the anchor ear includes the first sub anchor ear and the second sub anchor ear that can dismantle the link to each other, first sub anchor ear with the second sub anchor ear encloses to become the anchor ear.
Optionally, the first sub-anchor ear and the second sub-anchor ear are bolted together.
Optionally, a plurality of welding windows distributed at intervals along the circumferential direction are independently arranged on the first sub-anchor ear and the second sub-anchor ear respectively.
Optionally, the first sub-anchor ear and the second sub-anchor ear are symmetrically arranged.
Optionally, the anchor ear is provided with 4-12 welding windows at intervals along the circumferential direction.
Optionally, a lower edge of the welding window is lower than a height of the end ring, and an upper edge of the welding window is higher than the height of the end ring.
Optionally, a protective gas through hole is further formed in the pressure plate, and the protective gas through hole is located in the area where the third boss is located.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of the structure of a cylinder and end ring in a housing combination according to one embodiment of the utility model;
FIG. 2 is a schematic illustration of a housing combination tack weld assembly in accordance with one embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of the base plate in the housing assembly seam weld assembly according to one embodiment of the present utility model;
FIG. 4 is a schematic view of the structure of a platen in a housing combination tack weld assembly in accordance with one embodiment of the present utility model;
FIG. 5 is a schematic view of the structure of the connecting shaft in the housing combination tack weld assembly in accordance with one embodiment of the present utility model;
FIG. 6 is a schematic illustration of the structure of a staple in a shell combination tack weld assembly in accordance with one embodiment of the present utility model;
fig. 7 is a schematic view of a connection structure of the hoop with the cylinder and the end ring according to an embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model. In the description of the present utility model, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In one aspect of the utility model, a housing combination tack weld assembly is provided. As will be appreciated in connection with fig. 1, the housing assembly includes a cylinder a and an end ring B welded to an end of the cylinder, and as will be appreciated in connection with fig. 2-6, the welding assembly includes: the bottom plate 10, the pressure plate 20, the connecting shaft 30 and the anchor ear 40, wherein a first boss 11 is arranged on the upper surface of the bottom plate 10, and the first boss 11 is used for supporting the inner surface of the end ring B; the lower surface of the pressure plate 20 is provided with a second boss 21, a third boss 22 is arranged on the surface of the second boss 21, which is far away from the pressure plate 20, the orthographic projection of the third boss 22 on the second boss 21 is positioned in the second boss 21, one of the second boss 21 and the third boss 22 is used for supporting the inner surface of the end ring B, and the other is used for supporting the inner surface of the cylinder A; the first end 31 of the connecting shaft 30 is connected with the bottom plate 10, and the second end 32 is detachably connected with the pressure plate 20; the anchor ear 40 is used for fixing the outer surface of the end ring B and/or the cylinder a, and a plurality of welding windows 41 are distributed on the anchor ear 40 at intervals along the circumferential direction. According to the shell combination positioning welding assembly, the first boss is arranged on the bottom plate, the inner surface of the end ring can be effectively supported, the second boss and the third boss are arranged on the pressing plate and can be used for supporting the inner surface of the cylinder or the end ring, the position to be welded of the cylinder is correspondingly connected with the position to be welded of the end ring through the mutual matching of the bottom plate, the connecting shaft and the pressing plate, the end ring and/or the outer surface of the cylinder are fixed at the bottom plate through the anchor ear, and the inner and outer interaction forces support the end ring and the cylinder which are easy to deform to a theoretical circle, so that each part in the shell combination can be reliably positioned, the dislocation quantity, the seam clearance and the straightness of two sides of the seam between the circumference of the cylinder and the end ring are effectively controlled, the relative position and the accuracy of each part in the welding process are guaranteed, and the shell combination obtained through welding can meet the design requirements; in addition, the shell combined positioning welding assembly is provided with the plurality of welding windows which are distributed at intervals in the circumferential direction of the anchor ear, so that the accurate welding of the limiting cylinder and the end ring is facilitated, the uniformity of the welding seam butt joint size is further effectively controlled, and the convenience and the production efficiency of welding operation are improved; in addition, this fixed-position welding subassembly passes through the connecting axle and realizes the connection of bottom plate and pressure disk, and not only simple structure, the cost of manufacture is lower, and connecting axle and pressure disk detachable connection's design still is convenient for according to the distance between barrel and the end ring number adjustment bottom plate and the end ring, realizes the loading and unloading of each part in the casing combination, convenient and fast can increase substantially machining efficiency. Therefore, the assembly is simple in structure, low in manufacturing cost, reliable in positioning, convenient to operate and easy to process, production efficiency can be remarkably improved, and quality and progress requirements of shell combination batch production can be effectively met.
According to an embodiment of the present utility model, as will be understood with reference to fig. 4, one of the second boss 21 and the third boss 22 is used to support the inner surface of the end ring B, and the other is used to support the inner surface of the cylinder a, whereby welding of both ends of the cylinder to the end ring can be sequentially performed. According to the specific embodiment of the present utility model, as understood in connection with fig. 1, when the first end of the cylinder a is welded to the first end ring B1 and the second end of the cylinder is welded to the second end ring B2, the cylinder and the first end ring B1 may be fixed by the fixed-position welding assembly, the first end ring B1 is placed on the bottom plate 10, the inner surface of the first end ring B1 is supported by the first boss 11, the cylinder a is placed above the first end ring B1, the inner surface of the second end A2 of the cylinder a is supported by the second boss 21 of the pressing plate, the first end A1 of the cylinder a is matched with the to-be-welded position of the first end ring B1, the cylinder-first end ring connector is obtained, then the cylinder-first end ring connector is detached from the fixed-position welding assembly, the second end ring B2 is placed on the bottom plate 10, the cylinder-first end ring connector is placed above the second end ring B2 by the first boss 11, the first end ring B1 faces the pressing plate 20, the inner surface of the third end ring B1 is supported by the third boss 22, and the to-end ring B2 is welded, and the combination is achieved.
According to the embodiment of the utility model, as understood in conjunction with fig. 3 to 4, the first boss 11, the second boss 21 and the third boss 22 can be respectively and independently cylindrical, so that the shapes of the end ring and the cylinder can be better matched, the support of the end ring and the inner wall of the cylinder can be better realized, the uniformity of the support of the end ring and the inner wall of the cylinder in all directions is improved, and the risk of deformation of the cylinder is avoided or reduced.
According to the embodiment of the present utility model, as understood from fig. 3 to 4, the heights of the first boss 11, the second boss 21, and the third boss 22 may be 2 to 5mm, for example, 2.5cm, 3cm, 3.5cm, 4cm, or 4.5cm, respectively, independently, and the inventors found that if the heights of the first boss 11, the second boss 21, and the third boss 22 are too small, it is difficult to achieve effective support of the inner wall of the cylinder or the inner wall of the end ring, and deformation of the end ring and the cylinder (particularly, the cylinder) is easily caused during welding, which affects the welding accuracy and the coaxiality of the end ring and the cylinder; if the boss is too high, the matching of the cylinder and the end ring can be influenced, the loading and unloading difficulty can be increased, and the manufacturing cost and the operation difficulty of the assembly are improved. The utility model can realize effective support to the inner wall of the cylinder or the inner wall of the end ring while ensuring that the matching between the cylinder and the end ring is not influenced by controlling the heights of the first boss 11, the second boss 21 and the third boss 22 in the range, thereby realizing reliable assembly and positioning and improving the welding precision.
According to an embodiment of the present utility model, as understood from fig. 1, in the case of the combination of the casing, the inner diameter of the end ring B may be smaller than the inner diameter of the cylinder a, the outer diameter of the end ring B may be not smaller than the outer diameter of the cylinder a, at this time, the first boss 11 and the third boss 22 may be used to support the inner wall of the end ring B, the diameters of the first boss 11 and the third boss 22 may be 0.1 to 0.2mm smaller than the inner diameter of the end ring B, the second boss 21 may be used to support the inner wall of the cylinder a, and the diameter of the second boss 21 may be 0.1 to 0.2mm smaller than the inner diameter of the cylinder a, and the inventors found that if the inner diameters of the first boss, the second boss, and the third boss are too small to have an effective positioning supporting effect on the cylinder or the end ring; if the inner diameters of the first boss, the second boss and the third boss are too large, the end ring and the cylinder can not be smoothly sleeved outside the bosses, and the inner diameters of the first boss, the second boss and the third boss are controlled within the range, so that the effective inner supporting and positioning of the end ring or the cylinder by the bosses are facilitated, the relative fixing of the positions of the end ring and the cylinder is facilitated, and the end ring and the cylinder are prevented from deforming in the welding process.
According to the embodiment of the present utility model, as will be understood from fig. 1, 3 and 5, the first end 31 of the connecting shaft 30 may be detachably connected to the bottom plate 10, thereby being more beneficial to improving the convenience of assembling and disassembling the end ring and the cylinder, and also enhancing the flexibility of use of the assembly, it should be noted that the connection manner of the connecting shaft and the bottom plate is not particularly limited, and a person skilled in the art may flexibly select according to practical situations, for example, according to some specific examples of the present utility model, as will be understood from fig. 3 and 5, the middle part of the first boss 11 may be provided with a blind hole 12 for fixing the connecting shaft 30, wherein the inner surface of the blind hole 12 may be provided with a first thread, the first end of the connecting shaft 30 may be provided with a second thread matched with the first thread, and at this time, the first end 31 of the connecting shaft 30 may be screwed to the bottom plate 10 through the blind hole 12; in addition, the blind hole 12 may be an insertion hole, and the first end 31 of the connecting shaft 30 may be connected to the bottom plate 10 through the blind hole 12 in a plugging manner.
As will be appreciated in connection with fig. 2, 4 and 5, the shell assembly tack weld assembly may further include a fastener 50, wherein the second end 32 of the connecting shaft 30 may be connected to the fastener 50 through the through hole 23 of the platen 20, thereby achieving a relative fixation of the connecting shaft 30 to the platen 20, and at this time, the relative distance between the platen 20 and the base plate 10 may be flexibly adjusted by adjusting the connection position of the fastener 50 to the connecting shaft 30, which is advantageous for achieving a matching of the two ends of the cylinder with the end rings at the weld, respectively, for example, the second end 32 of the connecting shaft 30 may be provided with a first connection point (not shown) and a second connection point (not shown), and the distance between the platen 20 and the base plate 10 is the total length of the cylinder a and one end ring B when the first connection point is connected to the fastener 50; when the second attachment site is attached to fastener 50, the distance between platen 20 and base plate 10 is the total length of cylinder a and two end rings B. It should be noted that, the connection manner of the second end 32 of the connecting shaft 30 and the fastener 50 is not particularly limited, and a person skilled in the art may flexibly select, for example, may be a plug connection, a threaded connection, or a snap connection according to practical examples of the present utility model, and the second end 32 of the connecting shaft 30 may be threaded with the fastener 50, so that not only is the structure simple, but also the relative distance between the pressure plate and the bottom plate is more beneficial to control, and the specific form of the fastener is not particularly limited, and may include, but not limited to, a nut, and the like.
According to the embodiment of the utility model, as will be understood with reference to fig. 7, the inner wall of the lower portion of the anchor ear 40 may be used to fix the outer surface of the end ring B, and the inner wall of the upper portion of the anchor ear 40 may be used to fix the outer surface of the cylinder a, so as to fix the cylinder a and the end ring B simultaneously by the anchor ear 40, thereby defining the relative positions of the cylinder and the end ring more precisely, and being beneficial to improving the welding precision of the cylinder and the end ring. Further, the inner diameter of the hoop 40 may be 0.1 to 0.2mm larger than the outer diameter of the end ring B and/or the cylinder a, and the inventors found that if the inner diameter of the hoop is too small, the difficulty of closing is increased when the end ring and/or the cylinder is fixed, and deformation of the end ring and the cylinder (particularly, the cylinder) is easily caused; if the inner diameter of the anchor ear is too large, the end ring and/or the cylinder cannot be effectively fixed. Further, as understood with reference to fig. 7, according to some specific examples of the present utility model, when the outer diameter of the cylinder a and the outer diameter of the end ring B are the same, the inner diameters of the upper and lower portions of the anchor ear 40 may be identical, the orthographic projection of the inner surface of the anchor ear 40 on the bottom plate 10 may be circular, and when the outer diameter of the end ring B is greater than the outer diameter of the cylinder a, the inner diameter of the lower portion of the anchor ear 40 may be greater than the outer diameter of the end ring B by 0.1 to 0.2mm, and the inner diameter of the upper portion of the anchor ear 40 may be greater than the outer diameter of the cylinder a by 0.1 to 0.2mm, as shown in fig. 7, thereby also enabling the anchor ear to fix the outer surfaces of the end ring and the cylinder at the same time, and at this time, the orthographic projection of the inner surface of the anchor ear on the pressing plate 20 may be circular.
According to the embodiment of the utility model, as will be understood with reference to fig. 6, the anchor ear 40 may include a first sub anchor ear 42 and a second sub anchor ear 43 that are detachably connected, where the first sub anchor ear 42 and the second sub anchor ear 43 enclose the anchor ear 40, thereby being more beneficial to improving the flexibility of assembling and disassembling the anchor ear, and improving the attaching effect of the anchor ear to the end ring and/or the cylinder to a certain extent. The radian of the first sub-hoop 42 and the second sub-hoop 43 is not particularly limited, and a person skilled in the art may flexibly select according to practical situations, for example, according to some specific examples of the present utility model, it is understood with reference to fig. 6 that the first sub-hoop 42 and the second sub-hoop 43 may be symmetrically disposed, and meanwhile, a connection manner of the first sub-hoop 42 and the second sub-hoop 43 is not particularly limited, and a person skilled in the art may flexibly select according to practical situations, for example, a connection position of the first sub-hoop 42 and the second sub-hoop 43 may be provided with a matched screw hole, and the first sub-hoop 42 and the second sub-hoop 43 may be connected by a bolt.
According to the embodiment of the present utility model, as will be understood with reference to fig. 6, a plurality of welding windows 41 distributed at intervals along the circumferential direction may be separately provided on the first sub-anchor ear 42 and the second sub-anchor ear 43, so as to realize the positioning welding of the end ring and the cylinder, wherein 4 to 12 welding windows 41, for example, 6, 8 or 10 welding windows may be distributed at intervals along the circumferential direction of the anchor ear 40, and the inventor finds that if the number of welding windows is too small, the welding efficiency and accuracy may be reduced, and the welding quality of the end ring and the cylinder may be reduced; if the number of the welding windows is too large, the supporting strength of the anchor ear can be reduced, so that the positioning effect on the anchor ear and/or the end ring is affected.
According to an embodiment of the present utility model, as will be understood with reference to fig. 7, the height of the lower edge of the welding window 41 may be lower than the height of the end ring B, and the height of the upper edge of the welding window 41 may be higher than the height of the end ring B, so that the height of the position to be welded between the end ring and the cylinder is located in the welding window, and the end ring and the cylinder may be welded through the welding window, which is beneficial to improving the welding precision and coaxiality of the end ring and the cylinder.
According to the embodiment of the utility model, as will be understood with reference to fig. 1 and 3, the platen 20 may be further provided with a shielding gas through hole 24, and the shielding gas through hole 24 may be located in the area where the third boss 22 is located, and during the welding process, the shielding gas may enter the cylinder and/or the end ring cavity through the shielding gas through hole and diffuse to the periphery of the welding seam, so that the welding seam is protected by the gas, which is beneficial to avoiding oxidation of the welding seam during the welding process, and further improving the quality of the welding seam; in addition, through setting up the shielding gas through-hole in the region that the third boss was located, can also make end ring and drum inside have certain malleation, can play certain supporting role to end ring and drum inner wall, be favorable to avoiding end ring and drum (especially make the drum) to take place deformation to improve the positioning accuracy and the welding reliability of two. The specific type of the shielding gas in the present utility model is not particularly limited, and may be selected flexibly according to practical situations, for example, argon, nitrogen, etc. by those skilled in the art.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. A housing assembly tack weld assembly, wherein the housing assembly includes a cylinder and an end ring welded to an end of the cylinder, the weld assembly comprising:
the upper surface of the bottom plate is provided with a first boss which is used for supporting the inner surface of the end ring;
the lower surface of the pressure plate is provided with a second boss, a third boss is arranged on the surface of one side, far away from the pressure plate, of the second boss, the orthographic projection of the third boss on the second boss is positioned in the second boss, and one of the second boss and the third boss is used for supporting the inner surface of the end ring, and the other is used for supporting the inner surface of the cylinder;
the first end of the connecting shaft is connected with the bottom plate, and the second end of the connecting shaft is detachably connected with the pressure plate;
the anchor ear is used for fixing the outer surface of the end ring and/or the cylinder, and a plurality of welding windows are distributed at intervals along the circumferential direction of the anchor ear.
2. The housing combination tack weld assembly of claim 1, wherein the first boss, the second boss, and the third boss are each independently cylindrical; and/or the number of the groups of groups,
the heights of the first boss, the second boss and the third boss are respectively and independently 2-5 mm.
3. The housing combination tack weld assembly of claim 2, wherein the end ring has an inner diameter that is less than the inner diameter of the cylinder, an outer diameter that is not less than the outer diameter of the cylinder, the weld assembly satisfying at least one of the following conditions:
the diameter of the first boss is 0.1-0.2 mm smaller than the inner diameter of the end ring;
the diameter of the second boss is 0.1-0.2 mm smaller than the inner diameter of the cylinder;
the diameter of the third boss is 0.1-0.2 mm smaller than the inner diameter of the end ring.
4. A housing combination tack weld assembly as in any one of claims 1 to 3 wherein the first end of the connecting shaft is removably connected to the base plate.
5. The housing combination tack weld assembly of claim 4, wherein a blind hole is provided in a middle portion of the first boss, and the first end of the connecting shaft is connected to the base plate by the blind hole in a pluggable manner or by threads.
6. The housing combination tack weld assembly of claim 1 or 5, further comprising: the second end of the connecting shaft penetrates through the pressure plate to be connected with the fastener; and/or, the second end of the connecting shaft is in threaded connection with the fastener.
7. The housing combination tack weld assembly of claim 1 or 5, wherein an inner wall of the lower portion of the anchor ear secures an outer surface of the end ring and an inner wall of the upper portion of the anchor ear secures an outer surface of the cylinder; and/or the number of the groups of groups,
the inner diameter of the anchor ear is 0.1-0.2 mm larger than the outer diameter of the end ring and/or the cylinder.
8. The housing combination tack weld assembly of claim 1 or 5, wherein the anchor ear comprises a first sub-anchor ear and a second sub-anchor ear removably connected, the first sub-anchor ear and the second sub-anchor ear enclosing to form the anchor ear.
9. The housing combination tack weld assembly of claim 8, wherein at least one of the following conditions is satisfied:
the first sub-anchor ear is connected with the second sub-anchor ear through bolts;
the first sub-anchor ear and the second sub-anchor ear are respectively and independently provided with a plurality of welding windows which are distributed at intervals along the circumferential direction;
the first sub-anchor ear and the second sub-anchor ear are symmetrically arranged;
4-12 welding windows are distributed on the anchor ear at intervals along the circumferential direction of the anchor ear;
the lower edge of the welding window is lower than the end ring, and the upper edge of the welding window is higher than the end ring.
10. The housing combination tack weld assembly of claim 1 or 9, wherein the platen is further provided with a shielding gas through hole located in an area where the third boss is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223601993.7U CN219617013U (en) | 2022-12-30 | 2022-12-30 | Shell combined positioning welding assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223601993.7U CN219617013U (en) | 2022-12-30 | 2022-12-30 | Shell combined positioning welding assembly |
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| Publication Number | Publication Date |
|---|---|
| CN219617013U true CN219617013U (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223601993.7U Active CN219617013U (en) | 2022-12-30 | 2022-12-30 | Shell combined positioning welding assembly |
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| Country | Link |
|---|---|
| CN (1) | CN219617013U (en) |
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- 2022-12-30 CN CN202223601993.7U patent/CN219617013U/en active Active
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