CN111250918B - Ring main unit side plate welding tool and application method thereof - Google Patents

Ring main unit side plate welding tool and application method thereof Download PDF

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Publication number
CN111250918B
CN111250918B CN202010227160.5A CN202010227160A CN111250918B CN 111250918 B CN111250918 B CN 111250918B CN 202010227160 A CN202010227160 A CN 202010227160A CN 111250918 B CN111250918 B CN 111250918B
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China
Prior art keywords
side plate
plate
positioning
bracket
rib
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CN202010227160.5A
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CN111250918A (en
Inventor
孙克华
戴志杰
顾杰
李勉
王伟
张继雄
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NR Electric Co Ltd
NR Engineering Co Ltd
Changzhou NR Electric Power Electronics Co Ltd
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NR Electric Co Ltd
NR Engineering Co Ltd
Changzhou NR Electric Power Electronics Co Ltd
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Priority to CN202010227160.5A priority Critical patent/CN111250918B/en
Publication of CN111250918A publication Critical patent/CN111250918A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • B23K37/0435Clamps

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention discloses a ring main unit side plate welding fixture and a using method thereof, wherein the ring main unit side plate welding fixture is used for welding a bracket and a rib plate on a side plate and comprises a base, a side plate positioning mechanism used for limiting the side plate on a supporting plate, a bracket quick clamping assembly used for limiting the position of the bracket on the side plate and pressing the bracket on the side plate, and a rib plate quick clamping mechanism used for limiting the position of the rib plate on the side plate and pressing the rib plate on the side plate, wherein at least one supporting plate used for supporting the side plate is fixed on the base. The welding fixture can well position the side plates, the support and the rib plates, respectively press the support and the rib plates on the side plates, and can finish welding of the support and the rib plates on the side plates by adopting one set of fixture, so that the welding precision is improved, and the fixture is saved.

Description

Ring main unit side plate welding tool and application method thereof
Technical Field
The invention relates to a ring main unit side plate welding tool and a using method thereof, and belongs to the field of ring main unit gas tank welding manufacturing in the power industry.
Background
In the power system, ring network switchgear is used in a large number, wherein a stainless steel gas tank belongs to a main component in a ring network cabinet. In order to improve the welding fixture and improve the welding efficiency of the gas tank, each manufacturer has no surplus force. The welding fixture of traditional gas tank curb plate, muscle and support mainly has following problem: (1) The bracket and the rib plate are positioned on different surfaces of the side plate, and two sets of tools are needed;
(2) The rib plates and the brackets are positioned coarsely, so that the precision requirements of the subsequent assembly and welding of the air box cannot be met; (3) The rib plate positioning and clamping are operated respectively, so that the efficiency is affected.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide the ring main unit side plate welding fixture, which can well position the side plates, the support and the rib plates, respectively press the support and the rib plates on the side plates, and can finish welding of the support and the rib plates on the side plates by adopting one fixture, thereby improving the welding precision and saving the fixture.
In order to solve the technical problems, the technical scheme of the invention is as follows: a looped netowrk cabinet curb plate welding frock for welding support and gusset on the curb plate, it includes:
the base is fixedly provided with at least one supporting plate for supporting the side plates;
the side plate positioning mechanism is used for limiting the side plate on the supporting plate;
A bracket quick clamp assembly for limiting the position of the bracket on the side plate and pressing the bracket on the side plate;
the rib plate quick clamping mechanism is used for limiting the position of the rib plate on the side plate and pressing the rib plate on the side plate.
There is further provided a concrete structure of a side plate positioning mechanism including two positioning assemblies, each positioning assembly acting on a pair of opposite sides of a side plate, the positioning assembly comprising:
The stop block group comprises at least one stop block fixed on the base, and the stop block is used for being abutted with one side of a pair of opposite sides of the side plate;
a cylinder block including at least one cylinder having a cylinder body fixed to the base for pushing the other of the pair of opposite sides of the side plate when the cylinder rod thereof is extended to clamp the side plate together with the stopper and releasing the side plate when the cylinder rod thereof is retracted.
The utility model further provides a concrete structure of quick clamp subassembly of support and quick clamp mechanism of gusset, quick clamp subassembly of support includes:
the free end of the positioning plate is provided with a U-shaped opening for clamping the bracket;
the first rotary driving mechanism is connected with the positioning plate and used for driving the positioning plate to rotate to a horizontal state;
The first pressing piece is connected to the positioning plate and used for pressing the bracket clamped on the positioning plate on the side plate when the positioning plate rotates to a horizontal state;
The fast clamping mechanism of gusset includes two relative gusset fast clamping components that set up, and the gusset fast clamping component includes:
The free end of the horizontal compression bar is provided with a positioning pin which is used for being embedded into a positioning hole of the rib plate to limit the position of the rib plate;
The second rotary driving mechanism is connected with the horizontal compression bar and used for driving the horizontal compression bar to rotate to a horizontal state;
And the second pressing piece is connected to the horizontal pressing rod and used for pressing the rib plate on the side plate when the horizontal pressing rod rotates to a horizontal state.
Further provided are specific structures of a first rotary drive mechanism and a second rotary drive mechanism, each comprising:
the base of the elbow clamp is fixed on the base, the positioning piece is connected with the clamping jaw of the elbow clamp so as to rotate along with the clamping jaw, and the positioning plate and the horizontal compression bar are collectively called as a positioning piece;
The fixing seat is fixed on the base and used for supporting the positioning piece when the positioning piece rotates to a horizontal state.
Further for facilitating connection of the positioning member with the clamping jaw, a connection mode of the positioning member with the clamping jaw is provided, the positioning member is slidably matched with the clamping jaw, and a locking mechanism for locking the position of the positioning member when the positioning member is slidably matched to a proper position is arranged between the positioning member and the clamping jaw.
Further in order to restrict the extension length and the rotation range of the locating piece, a horizontal pin is arranged on the locating piece, an arc-shaped groove matched with the rotation track of the pin is arranged on the fixing seat, the pin slides in the arc-shaped groove in the rotation process of the locating piece, and the locating piece is in a horizontal state when the pin slides to the bottom of the arc-shaped groove.
The lower end part of the bolt extends out of the positioning piece so as to adjust the pressing force by rotating the bolt to adjust the extending length of the lower end part of the bolt; wherein the positioning plate and the horizontal compression bar are collectively referred to as a positioning member.
Further, in order to prevent the first pressing member from pressing the bracket virtually, when the positioning plate is in a horizontal state, a gap is left between the lower surface of the portion of the positioning plate provided with the U-shaped opening and the upper surface of the side plate.
The invention also provides a using method of the ring main unit side plate welding tool, which is characterized in that,
The method comprises the following steps:
Step S1: the side plates are placed on the supporting plates, and the side plate positioning mechanism limits the side plates to fix the positions of the side plates;
step S2: the bracket quick clamp assembly limits the position of the bracket on the side plate, compresses the bracket on the side plate, and then welds the bracket on the side plate;
Step S3: turning over the side plate welded with the bracket so that the surface of the side plate welded with the bracket faces downwards, and limiting the side plate again by the side plate positioning mechanism to fix the position of the side plate;
step S4: the rib plate quick clamping mechanism limits the position of the rib plate on the side plate, presses the rib plate on the side plate, and then welds the rib plate on the side plate.
Further, in step S2, the method steps of the bracket quick clamp assembly defining the position of the bracket on the side plate and compressing the bracket on the side plate include:
Firstly, attaching a bracket to be welded to a U-shaped opening; then, the elbow clamp of the bracket quick clamp assembly is actuated to enable the positioning plate to rotate to a horizontal state; finally, the bracket is pressed on the side plate by the first pressing piece;
And/or in the step S3, the rib plate quick clamping mechanism limits the position of the rib plate on the side plate, and the method step of pressing the rib plate on the side plate comprises the following steps:
Firstly, a rib plate is placed on a side plate; then, an elbow clamp of a rib plate quick clamp assembly is operated, so that a positioning pin of a horizontal compression bar of the rib plate quick clamp assembly is virtually embedded in a positioning hole of the rib plate; then, actuating the elbow clamp of the other rib plate quick clamp assembly and adjusting the rib plate, so that the positioning pin of the horizontal compression bar of the rib plate quick clamp assembly is virtually embedded in the other positioning hole of the rib plate; and finally, the rib plates are pressed on the side plates by two second pressing pieces of the two rib plate quick clamping assemblies.
After the technical scheme is adopted, the position of the side plate is limited by adopting the side plate positioning mechanism, then the position of the support on the side plate is limited by adopting the support quick clamping assembly, the support is pressed, the welding of the support on the side plate is conveniently completed, the side plate is overturned, the position of the rib plate is limited by adopting the rib plate quick clamping mechanism, and the rib plate is pressed, so that the welding of the rib plate on the side plate is conveniently completed; according to the bracket quick clamp assembly, the elbow clamp provides action and power, the position of the bracket on the side plate is limited through the positioning plate, and the bracket is pressed on the side plate through the first pressing piece, so that the bracket is quickly positioned and clamped, the clamping precision and efficiency are improved, and the welding precision of the bracket is also improved; according to the rib plate quick clamp assembly, the elbow clamp provides action and power, the position of the rib plate on the side plate is limited through the cooperation of the positioning pin on the horizontal compression rod and the positioning hole on the rib plate, and then the rib plate is pressed on the side plate through the second pressing piece, so that the rib plate is quickly positioned and clamped by using the two rib plate quick clamp assemblies, the clamping efficiency is improved, and the welding precision of the rib plate is also improved.
Drawings
FIG. 1 is a schematic view of a structure of a side plate after welding a bracket and a rib plate;
fig. 2 is a schematic structural diagram of a ring main unit side plate welding fixture after positioning a side plate and a bracket;
fig. 3 is a schematic structural diagram of a ring main unit side plate welding fixture after positioning side plates and rib plates;
Fig. 4 is a front view of a bracket quick clamp assembly of the ring main unit side plate welding fixture of the invention;
FIG. 5 is a top view of a bracket quick clamp assembly of the ring main unit side plate welding fixture of the invention;
fig. 6 is a front view of a rib plate quick clamp assembly of the ring main unit side plate welding tool of the invention;
fig. 7 is a top view of a rib plate quick clamp assembly of the ring main unit side plate welding tool.
Detailed Description
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
Example 1
As shown in fig. 1 to 7, a ring main unit side plate welding fixture is used for welding a bracket 20 and a rib plate 30 on a side plate 10, and includes:
a base 1, wherein at least one support plate 2 for supporting a side plate 10 is fixed on the base 1;
A side plate positioning mechanism for limiting the side plate 10 on the support plate 2;
A bracket quick clamp assembly 5 for defining the position of the bracket 20 on the side plate 10 and pressing the bracket 20 against the side plate 10;
the rib plate quick clamping mechanism is used for limiting the position of the rib plate 30 on the side plate 10 and pressing the rib plate 30 on the side plate 10.
In this embodiment, the ring main unit side plate welding fixture is used for welding the bracket 20 on one surface of the side plate 10 and welding the rib plate 30 on the other surface. Two rib plates 30 are welded, and two rib plate quick clamping mechanisms are arranged, but the rib plate quick clamping mechanism is not limited to the two rib plates. The support plates 2 are arranged in parallel in three.
Specifically, a side plate positioning mechanism is adopted to limit the position of a side plate 10, then a bracket quick clamping assembly 5 is adopted to limit the position of a bracket 20 on the side plate 10 and compress the bracket 20, so that the welding of the bracket 20 on the side plate 10 is conveniently completed, the side plate 10 is overturned, a rib plate quick clamping mechanism is adopted to limit the position of a rib plate 30 and compress the rib plate 30, so that the welding of the rib plate 30 on the side plate 10 is conveniently completed, and the ring main unit side plate welding fixture disclosed by the invention can be used for welding the bracket 20 distributed on the front side and the back side of the side plate 10 with the rib plate 30, so that the investment of a set of fixture is reduced, and the welding precision is high.
As shown in fig. 2 and 3, the side plate positioning mechanism includes two positioning assemblies, each of which acts on a pair of opposite sides of the side plate 10, the positioning assemblies including:
a block group including at least one block 3 fixed to the base 1, the block 3 being adapted to abut against one of a pair of opposite sides of the side plate 10;
A cylinder group including at least one cylinder 4 whose cylinder body is fixed to the base 1, the cylinder 4 for pushing the other of the pair of opposite sides of the side plate 10 when the cylinder rod thereof is extended so as to clamp the side plate 10 together with the stopper 3 and releasing the side plate 10 when the cylinder rod thereof is retracted.
As shown in fig. 4 and 5, the bracket quick clamp assembly 5 includes:
the free end of the positioning plate 51 is provided with a U-shaped opening for clamping the bracket 20;
a first rotation driving mechanism connected to the positioning plate 51 for driving the positioning plate 51 to rotate to a horizontal state;
a first pressing member 52 connected to the positioning plate 51 and for pressing the bracket 20 clamped on the positioning plate 51 against the side plate 10 when the positioning plate 51 is rotated to a horizontal state;
in this embodiment, the bracket 20 is L-shaped, the vertical plate of the bracket 20 abuts against the wall of the U-shaped opening, and the first pressing member 52 is used for pressing the transverse plate of the bracket 20 against the side plate 10.
As shown in fig. 6 and 7, the rib plate quick clamping mechanism includes two rib plate quick clamping assemblies 6 which are oppositely arranged, and the rib plate quick clamping assemblies 6 include:
a horizontal pressing rod 61, the free end of which is provided with a positioning pin 62 for being embedded into the positioning hole of the rib plate 30 to limit the position of the rib plate 30;
a second rotation driving mechanism connected to the horizontal pressing rod 61 and for driving the horizontal pressing rod 61 to rotate to a horizontal state;
And a second pressing member 63 connected to the horizontal pressing rod 61 and for pressing the rib plate 30 against the side plate 10 when the horizontal pressing rod 61 rotates to a horizontal state.
In this embodiment, two ends of each rib plate 30 are respectively provided with a positioning hole, each positioning pin 62 corresponds to one positioning hole, the position of the rib plate 30 on the side plate 19 is precisely defined by the embedded fit of the positioning pin 62 and the positioning hole, and then the rib plate 30 is pressed on the side plate 10 by the second pressing member 63.
As shown in fig. 4, 5, 6, 7, the first and/or second rotary drive mechanisms include:
An elbow clamp 71 whose base 712 is fixed to the base 1, a positioning member connected to a jaw 711 of the elbow clamp 71 to rotate with the jaw 711, and a positioning plate 51 and a horizontal pressing rod 61 collectively referred to as a positioning member;
A fixing base 72 fixed to the base 1 and supporting the positioning member when the positioning member is rotated to a horizontal state.
The toggle clamp 71 is of a prior art and its construction is not described in detail.
Specifically, the elbow clamp 71 provides action and power to the bracket quick clamp assembly 5, the position of the bracket 20 on the side plate 10 is limited by the positioning plate 51, and the bracket 20 is pressed on the side plate 10 by the first pressing piece 52, so that the bracket 20 is quickly positioned and clamped, the clamping precision and efficiency are improved, and the welding precision of the bracket 20 is also improved.
According to the rib plate quick clamp assembly 6, the elbow clamps 71 provide actions and power, the positions of the rib plates 30 on the side plates 10 are limited through the cooperation of the positioning pins 62 on the horizontal compression rods 61 and the positioning holes on the rib plates 30, the rib plates 30 are pressed on the side plates 10 through the second pressing pieces 63, and the two rib plate quick clamp assemblies 6 are used for realizing quick positioning and clamping of the rib plates 30, so that the clamping efficiency is improved, and the welding precision of the rib plates 30 is also improved.
As shown in fig. 4, 5,6, 7, to facilitate the connection of the positioning member to the clamping jaw 711, the positioning member is slidably fitted on the clamping jaw 711, and a locking mechanism for locking the position of the positioning member when the positioning member is slidably fitted in place is provided between the positioning member and the clamping jaw 711.
In this embodiment, the clamping jaw 711 is provided with a groove, the positioning member is slidably disposed in the groove, the locking mechanism includes at least one locking bolt 8 screwed on the positioning member, and when the position of the positioning member needs to be locked, the locking bolt 8 is screwed in, so that the head of the locking bolt 8 abuts against the bottom of the groove, and the movement of the positioning member relative to the clamping jaw 711 can be limited.
In this embodiment, the positioning member is equipped with a horizontal pin 73, the fixing seat 72 is provided with an arc slot 74 matching with the rotation track of the pin 73, during the rotation process of the positioning member, the pin 73 slides in the arc slot 74, when the pin 73 slides to the bottom of the arc slot 74, the positioning member is just in a horizontal state, and then the fixing seat 72 supports the horizontal positioning member, the invention also restricts the extending length of the positioning member by matching the pin 73 with the arc slot 74, and only when the positioning member extends a specific length, the pin 73 can slide in the arc slot 74, thereby ensuring the positioning accuracy of the rib plate quick clamp assembly 6 and the bracket quick clamp assembly 5.
As shown in fig. 4, 5,6, and 7, the first pressing member 52 and/or the second pressing member 63 includes a bolt screwed to the positioning member, a lower end portion of the bolt extending out of the positioning member so as to adjust the pressing force by rotating the bolt to adjust the extending length of the lower end portion of the bolt; wherein the positioning plate 51 and the horizontal compression bar 61 are collectively referred to as a positioning member.
In this embodiment, in order to facilitate rotation of the bolt, a nut is fixed to the upper end of the bolt.
As shown in fig. 4, in order to prevent the first pressing member 52 from pressing the bracket 20 virtually, a gap is left between the lower surface of the portion of the positioning plate 51 where the U-shaped opening is provided and the upper surface of the side plate 10 when the positioning plate 51 is in the horizontal state.
In this embodiment, the height of the gap is 0.5 to 1.5mm.
Example two
The method for using the ring main unit side plate welding fixture according to embodiment one of the present invention, the method comprises the steps of:
step S1: placing the side plate 10 on the support plate 2, and limiting the side plate 10 by a side plate positioning mechanism to fix the position of the side plate 10;
Step S2: the bracket quick clamp assembly 5 defines the position of the bracket 20 on the side plate 10, compresses the bracket 20 on the side plate 10, and then welds the bracket 20 on the side plate 10;
Step S3: turning over the side plate 10 welded with the bracket 20 so that the surface of the side plate 10 welded with the bracket 20 faces downwards, and limiting the side plate 10 again by the side plate positioning mechanism to fix the position of the side plate 10;
Step S4: the rib plate quick clamping mechanism limits the position of the rib plate 30 on the side plate 10, compresses the rib plate 30 on the side plate 10, and then welds the rib plate 30 on the side plate 10.
Specifically, in step S2, the method steps of the bracket quick clamp assembly 5 defining the position of the bracket 20 on the side plate 10 and pressing the bracket 20 against the side plate 10 include:
Firstly, the bracket 20 to be welded is clung to the U-shaped opening; actuating the toggle clamp 71 of the bracket quick clamp assembly 5 to rotate the positioning plate 51 to a horizontal state; finally, the bracket 20 is pressed on the side plate 10 by the first pressing piece 52;
and/or in step S3, the method step of the rib plate quick clamping mechanism limiting the position of the rib plate 30 on the side plate 10 and pressing the rib plate 30 on the side plate 10 includes:
Firstly, a rib plate 30 is placed on a side plate 10; then, the elbow clamp 71 of the rib plate quick clamp assembly 6 is operated, so that the positioning pin 62 of the horizontal compression bar 61 of the rib plate quick clamp assembly 6 is virtually embedded in a positioning hole of the rib plate 30; the elbow clamp 71 of the other rib plate quick clamp assembly 6 is moved again, and the rib plate 30 is adjusted, so that the positioning pin 62 of the horizontal compression bar 61 of the rib plate quick clamp assembly 6 is virtually embedded in the other positioning hole of the rib plate 30; finally, the rib plates 30 are pressed on the side plates 10 by the two second pressing pieces 63 of the two rib plate quick clamping assemblies 6.
The technical problems, technical solutions and advantageous effects solved by the present invention have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the scope of protection of the present invention.
In the description of the present invention, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present invention, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

Claims (8)

1. A method for using a ring main unit side plate welding tool is characterized in that,
Ring main unit curb plate welding frock for weld support (20) and gusset (30) on curb plate (10), it includes:
the base (1), the base (1) is fixed with at least one supporting plate (2) for supporting the side plate (10);
The side plate positioning mechanism is used for limiting the side plate (10) on the supporting plate (2);
a bracket quick clamp assembly (5) for limiting the position of the bracket (20) on the side plate (10) and pressing the bracket (20) on the side plate (10);
The rib plate quick clamping mechanism is used for limiting the position of the rib plate (30) on the side plate (10) and pressing the rib plate (30) on the side plate (10);
The side plate positioning mechanism comprises two positioning assemblies, each positioning assembly acts on a pair of opposite sides of the side plate (10), and the positioning assemblies comprise:
The stop block group comprises at least one stop block (3) fixed on the base (1), and the stop block (3) is used for being abutted with one of a pair of opposite sides of the side plate (10);
a cylinder group including at least one cylinder (4) whose cylinder body is fixed to the base (1), the cylinder (4) for pushing the other of the pair of opposite sides of the side plate (10) when the cylinder rod thereof is extended so as to clamp the side plate (10) together with the stopper (3) and releasing the side plate (10) when the cylinder rod thereof is retracted;
The bracket quick clamp assembly (5) comprises:
The free end of the positioning plate (51) is provided with a U-shaped opening for clamping the bracket (20);
a first rotation driving mechanism connected with the positioning plate (51) and used for driving the positioning plate (51) to rotate to a horizontal state;
A first pressing member (52) connected to the positioning plate (51) and configured to press the bracket (20) clamped to the positioning plate (51) against the side plate (10) when the positioning plate (51) is rotated to a horizontal state;
The method comprises the following steps:
step S1: placing the side plate (10) on the supporting plate (2), and limiting the side plate (10) by a side plate positioning mechanism to fix the position of the side plate (10);
step S2: the bracket quick clamp assembly (5) limits the position of the bracket (20) on the side plate (10), compresses the bracket (20) on the side plate (10), and then welds the bracket (20) on the side plate (10);
Step S3: turning over the side plate (10) welded with the bracket (20) so that the surface of the side plate (10) welded with the bracket (20) faces downwards, and limiting the side plate (10) again by the side plate positioning mechanism to fix the position of the side plate (10);
step S4: the rib plate quick clamping mechanism limits the position of the rib plate (30) on the side plate (10), compresses the rib plate (30) on the side plate (10), and then welds the rib plate (30) on the side plate (10).
2. The method for using the ring main unit side plate welding fixture according to claim 1, wherein,
The rib plate quick clamping mechanism comprises two oppositely arranged rib plate quick clamping assemblies (6), and the rib plate quick clamping assemblies (6) comprise:
A horizontal compression bar (61), the free end of which is provided with a positioning pin (62) for being embedded into the positioning hole of the rib plate (30) to limit the position of the rib plate (30);
The second rotary driving mechanism is connected with the horizontal pressing rod (61) and is used for driving the horizontal pressing rod (61) to rotate to a horizontal state;
And a second pressing member (63) connected to the horizontal pressing rod (61) and used for pressing the rib plate (30) on the side plate (10) when the horizontal pressing rod (61) rotates to a horizontal state.
3. The method for using the ring main unit side plate welding fixture according to claim 2, wherein,
The first and/or second rotary drive mechanisms include:
An elbow clamp (71) with a base (712) fixed on the base (1), a positioning piece connected with a clamping jaw (711) of the elbow clamp (71) to rotate along with the clamping jaw (711), and a positioning plate (51) and a horizontal compression bar (61) are collectively called a positioning piece;
And a fixing base (72) fixed on the base (1) and used for supporting the positioning piece when the positioning piece rotates to a horizontal state.
4. The method for using the ring main unit side plate welding fixture according to claim 3, wherein,
The positioning member is slidably fitted on the clamping jaw (711), and a locking mechanism for locking the position of the positioning member when the positioning member is slidably fitted in place is provided between the positioning member and the clamping jaw (711).
5. The method for using the ring main unit side plate welding fixture according to claim 4, wherein,
The positioning piece is provided with a horizontal pin (73), the fixing seat (72) is provided with an arc-shaped groove (74) matched with the rotation track of the pin (73), the pin (73) slides in the arc-shaped groove (74) in the rotating process of the positioning piece, and the positioning piece is in a horizontal state when the pin (73) slides to the bottom of the arc-shaped groove (74).
6. The method for using the ring main unit side plate welding fixture according to claim 2, wherein,
The first pressing member (52) and/or the second pressing member (63) comprises a bolt screwed on the positioning member, the lower end portion of the bolt extends out of the positioning member, so that the pressing force is adjusted by rotating the bolt to adjust the extending length of the lower end portion of the bolt; wherein the positioning plate (51) and the horizontal compression bar (61) are collectively referred to as a positioning member.
7. The method for using the ring main unit side plate welding fixture according to claim 1, wherein,
When the positioning plate (51) is in a horizontal state, a gap is reserved between the lower surface of the part of the positioning plate (51) provided with the U-shaped opening and the upper surface of the side plate (10).
8. The method for using the ring main unit side plate welding fixture according to claim 3, wherein,
In step S2, the method steps of the bracket quick clamp assembly (5) defining the position of the bracket (20) on the side plate (10) and pressing the bracket (20) against the side plate (10) include:
Firstly, a bracket (20) to be welded is clung to the U-shaped opening; then, the elbow clamp (71) of the bracket quick clamp assembly (5) is actuated to enable the positioning plate (51) to rotate to a horizontal state; finally, the bracket (20) is pressed on the side plate (10) by the first pressing piece (52);
and/or in step S3, the rib plate quick clamping mechanism defines the position of the rib plate (30) on the side plate (10), and the method step of pressing the rib plate (30) on the side plate (10) comprises the following steps:
Firstly, a rib plate (30) is placed on a side plate (10); then, an elbow clamp (71) of a rib plate quick clamp assembly (6) is operated, so that a positioning pin (62) of a horizontal compression bar (61) of the rib plate quick clamp assembly (6) is virtually embedded in a positioning hole of the rib plate (30); then, the elbow clamp (71) of the other rib plate quick clamp assembly (6) is moved and the rib plate (30) is adjusted, so that the locating pin (62) of the horizontal compression bar (61) of the rib plate quick clamp assembly (6) is virtually embedded in the other locating hole of the rib plate (30); and finally, the rib plates (30) are pressed on the side plates (10) by using two second pressing pieces (63) of the two rib plate quick clamping assemblies (6).
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CN212145114U (en) * 2020-03-27 2020-12-15 常州博瑞电力自动化设备有限公司 Welding tool for side plate of ring main unit

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JP2000000690A (en) * 1998-06-17 2000-01-07 Otis Elevator Co Welding jig
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WO2015032112A1 (en) * 2013-09-03 2015-03-12 深圳市赢合科技股份有限公司 Tab preparing device and cell winding apparatus having same
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