Positioning assembly for GIS shell machining

Abstract

The utility model discloses a positioning assembly for GIS shell machining and relates to the field of electrical equipment, the positioning assembly comprises a base body, a height adjusting mechanism and a first pressing mechanism, and a second positioning assembly comprises a second bottom plate and a second pressing mechanism. When the large equal-diameter section of the GIS shell needs to be machined, the first positioning assembly is used for clamping and positioning the to-be-machined GIS shell, when the large equal-diameter section of the GIS shell needs to be machined, the second positioning assembly is used for clamping and positioning the to-be-machined GIS shell, the GIS shell in a peculiar shape is machined and positioned through the combined structure, the structure is simple, and the machining precision is high. Vibration, deviation and the like can be prevented when the GIS shell is machined, and then the machining efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of power equipment, and more particularly to a positioning assembly for GIS housing processing. Background Technology

[0002] The GIS (Gas Insulated Switchgear) enclosure is a core component of a power system, typically used for equipment insulation and ensuring operational safety. Along its axial direction, the GIS enclosure comprises sequentially connected sections of equal diameter, varying diameter, and equal diameter.

[0003] During the manufacturing of GIS shells, the shape and size of the GIS shells limit the clamping capacity on the machine tool, making it easy for resonance to occur during processing. At the same time, there are coaxiality errors between the small and large equal diameter sections of the GIS shells being processed, which require rapid adjustment and correction. Therefore, the manufacturing process of GIS shells presents problems such as difficulty in correction and unstable installation, resulting in slow processing speed, low production efficiency, and unstable quality. Utility Model Content

[0004] This application provides a positioning assembly for GIS shell processing, used for positioning during the processing of GIS shells.

[0005] This application provides a positioning assembly for machining a GIS shell. The GIS shell includes a small equal-diameter section, a variable-diameter section, and a large equal-diameter section connected in sequence. The positioning assembly includes a first positioning component for machining the small equal-diameter section and a second positioning component for machining the large equal-diameter section.

[0006] Multiple first positioning components are arranged circumferentially along the GIS shell. Each first positioning component includes a base, a height adjustment mechanism, and a first clamping mechanism. The base is set on the machine platform, the height adjustment mechanism is set on the base, and the lower surface of the large equal diameter section is set on the height adjustment mechanism. The first clamping mechanism is connected to the base and contacts the outer circumference of the variable diameter section to clamp the GIS shell onto the height adjustment mechanism.

[0007] The second positioning component includes a second base plate and a plurality of second clamping mechanisms arranged circumferentially along the GIS shell. The second base plate is mounted on the machine base, and the second clamping mechanisms are mounted on the second base plate. The second clamping mechanisms contact the inner circumference of the variable diameter section to clamp the GIS shell onto the machine base.

[0008] Preferably, the substrate includes a first base plate and a first vertical plate. The first base plate is connected to the machine base, the first vertical plate is vertically connected to the first base plate, a height adjustment mechanism is disposed on the first base plate, and a first pressing mechanism is connected to the first vertical plate.

[0009] Preferably, the machine table is provided with a plurality of T-shaped mounting grooves, which are arranged at intervals along the circumference of the GIS shell and are configured in the radial direction of the GIS shell; the first bottom plate is provided with a first U-shaped groove, and the first connecting piece passes through the first U-shaped groove and the T-shaped mounting groove to fix the first bottom plate on the machine table.

[0010] Preferably, the height adjusting mechanism comprises a first wedge-shaped table and a second wedge-shaped table, the first wedge-shaped table is arranged on the first bottom plate, and the second wedge-shaped table is slidingly arranged on the first wedge-shaped table; the second wedge-shaped table changes its height position by sliding relative to the first wedge-shaped table; and the lower surface of the large-diameter section is arranged on the upper surface of the second wedge-shaped table.

[0011] Preferably, the height adjusting mechanism further comprises an adjusting screw and a matching block; the first vertical plate is provided with a sliding groove arranged in the height direction, the adjusting screw passes through the sliding groove, the adjusting screw is threadedly connected with the matching block, and the matching block is arranged on the second wedge-shaped table; and the second wedge-shaped table is driven to slide relative to the first wedge-shaped table by the adjusting screw.

[0012] Preferably, the first pressing mechanism comprises a horizontal plate, a first screw, a first pressing plate and a first pressing nut; the horizontal plate is connected to one side of the first vertical plate, the first screw is vertically connected to the horizontal plate, the first screw passes through the first pressing plate, the first pressing plate is provided with a first pressing surface matched with the variable-diameter section, and the first pressing nut is threadedly connected to the first screw and used to press the first pressing plate downward to the outer circumference of the variable-diameter section.

[0013] Preferably, the first pressing plate is provided with a first waist-shaped hole through which the first screw passes, and the first vertical plate is provided with a first stepped surface, one end of the first pressing plate being lapped on the first stepped surface.

[0014] Preferably, the second bottom plate is cross-shaped, the four end portions of the second bottom plate are each provided with a second U-shaped groove, the second connecting piece passes through the second U-shaped groove and the T-shaped mounting groove to fix the second bottom plate on the machine table; and a plurality of second pressing mechanisms are arranged at equal intervals along the circumference of the GIS shell on the second bottom plate.

[0015] Preferably, the second pressing mechanism comprises a second screw, a second pressing plate and a second pressing nut; the second screw is vertically connected to the second bottom plate, the second screw passes through the second pressing plate, the second pressing plate is provided with a second pressing surface matched with the variable-diameter section, and the second pressing nut is threadedly connected to the second screw and used to press the second pressing plate downward to the inner circumference of the variable-diameter section.

[0016] Preferably, the second pressing mechanism further comprises a second vertical plate, which is vertically arranged on the second bottom plate; the second pressing plate is provided with a second waist-shaped hole through which the second screw passes, and the second vertical plate is provided with a second stepped surface, one end of the second pressing plate being lapped on the second stepped surface.

[0017] The positioning assembly of the present application has at least the following advantages:

[0018] The positioning assembly of the present application comprises a first positioning assembly and a second positioning assembly. When a small-diameter section of a GIS shell needs to be machined, the first positioning assembly is used to clamp and position the GIS shell to be machined. When a large-diameter section of the GIS shell needs to be machined, the second positioning assembly is used to clamp and position the GIS shell to be machined. When the first positioning assembly is used, the first positioning assemblies are installed on the outside of the GIS shell through T-shaped installation slots. The height adjusting mechanism of the first positioning assembly can adjust the height and attitude of the GIS shell to be machined. The first pressing mechanism of the first positioning assembly can press the GIS shell downward on the height adjusting mechanism, thereby ensuring the stability of the GIS shell during machining. When the second positioning assembly is used, the second positioning assembly is installed on the inside of the GIS shell. The second pressing mechanisms of the second positioning assembly press the GIS shell on the machine table, thereby ensuring the stability of the GIS shell during machining. The present application can adapt to the machining and positioning of GIS shells with peculiar shapes through a combined structure. The structure is simple and can prevent the GIS shell from vibrating or deviating during machining, thereby improving the machining efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of the preferred embodiments and are not intended to limit the scope of the present application. Moreover, like reference numerals designate like parts throughout the several views. In the drawings:

[0020] Figure 1 is an exploded schematic view of the positioning assembly and the machine table of the present application;

[0021] Figure 2 is a cross-sectional schematic view of a GIS shell;

[0022] Figure 3 is an exploded schematic view of the machine table and the GIS shell;

[0023] Figure 4 is a top view of the first positioning assembly positioning the GIS shell on the machine table;

[0024] Figure 5 is a partial isometric view of the first positioning assembly positioning the GIS shell on the machine table;

[0025] Figure 6 is a cross-sectional schematic view of the first positioning assembly of the present application;

[0026] Figure 7 is an isometric view of the second positioning assembly positioning the GIS shell on the machine table;

[0027] Figure 8 is an axonometric view of the second positioning assembly of the present application;

[0028] Figure 9 is a cross-sectional view of the second positioning assembly positioning the GIS housing on the machine table;

[0029] The reference signs are explained as follows:

[0030] 10, positioning assembly;

[0031] 100, first positioning assembly; 110, base body; 111, first bottom plate; 111a, first U-shaped groove; 112, first vertical plate; 1121, first step surface; 112a, sliding groove; 120, height adjusting mechanism; 121, first wedge-shaped table; 122, second wedge-shaped table; 123, adjusting screw; 124, matching block; 130, first pressing mechanism; 131, cross plate; 132, first screw; 133, first pressing plate; 1331, first pressing surface; 133a, first waist-shaped hole; 134, first pressing nut; 140, first connecting piece;

[0032] 200, second positioning assembly; 210, second bottom plate; 210a, second U-shaped groove; 220, second pressing mechanism; 221, second screw; 222, second pressing plate; 2221, second pressing surface; 222a, second waist-shaped hole; 223, second pressing nut; 224, second vertical plate; 2241, second step surface; 230, second connecting piece;

[0033] 20, GIS housing; 201, small constant diameter section; 202, variable diameter section; 203, large constant diameter section;

[0034] 30, machine table; 30a, T-shaped mounting groove; 301, radial moving block. DETAILED DESCRIPTION

[0035] The features and exemplary embodiments of the various aspects of the present application will be described in detail below with reference to the drawings. The following detailed description is merely intended to explain the present application, and is not intended to limit the present application. The present application can be implemented without some of the specific details, which are well known to those skilled in the art. The following description of the embodiments is merely intended to provide a better understanding of the present application by showing examples of the present application.

[0036] It is to be noted that the relative terms such as first and second and the like in this context are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or apparatus that comprises a list of elements does not include only those elements recited, but can also include other elements not expressly listed or inherent to such process, method, article or apparatus. Without more limitations, an element defined by an "including" statement does not exclude the existence of additional identical elements in the process, method, article or apparatus that includes the element.

[0037] As shown in Figure 1 The embodiment discloses a positioning assembly for processing GIS shell, and the positioning assembly 10 is used for stably positioning the GIS shell 20 on a machine table 30 of an external machine tool when the external machine tool processes the GIS shell 20.

[0038] As shown in Figure 2 The GIS shell 20 of the embodiment comprises a small-diameter section 201, a variable-diameter section 202 and a large-diameter section 203 connected in sequence, and the outer diameter of the small-diameter section 201 is smaller than that of the large-diameter section 203.

[0039] As shown in Figure 1 The positioning assembly 10 comprises a first positioning assembly 100 and a second positioning assembly 200, when the small-diameter section 201 of the GIS shell 20 needs to be processed, the GIS shell 20 is positioned by using a plurality of first positioning assemblies 100, and when the large-diameter section 203 of the GIS shell 20 needs to be processed, the GIS shell 20 is positioned by using the second positioning assembly 200.

[0040] In order to facilitate understanding of the technical scheme of the embodiment, first, the structure of the machine table 30 of the external machine tool is introduced, the machine table 30 and the structural design of the machine table 30 itself of the embodiment are conventional technologies, and only a simple description is made here.

[0041] As shown in Figure 3As shown, the machine base 30 is circular in shape and has multiple T-shaped mounting slots 30a. These slots are spaced apart around the axis of the machine base 30, with the length of the T-shaped mounting slots 30a aligning with the radial direction of the machine base 30. Since the GIS housing 20 to be processed is horizontally positioned on the machine base 30, the radial direction of the machine base 30 is also the radial direction of the GIS housing 20. The first end of the T-shaped mounting slot 30a extends to a position close to the axis of the machine base 30, ensuring that the first end of the T-shaped mounting slot 30a is located inside the GIS housing 20, facilitating the subsequent installation of the second positioning component 200. The second end of the T-shaped mounting slot 30a extends radially to the outside of the machine base 30. The T-shaped mounting slot 30a refers to a T-shaped cross-section, a conventional technology, such as the T-slot structures disclosed in patents CN210524596U and CN209998785U.

[0042] like Figure 3 As shown, in this preferred embodiment, the machine base 30 is provided with a plurality of radial moving blocks 301. The plurality of radial moving blocks 301 are arranged at intervals along the circumference of the GIS housing 20. The radial moving blocks 301 are slidably disposed on the machine base 30, and their sliding direction is configured to be radial to the machine base 30. The plurality of radial moving blocks 301 can move radially to abut against the large equal diameter section 203 or the small equal diameter section 201 of the GIS housing 20, thereby restricting the horizontal displacement of the GIS housing 20. The radial moving blocks 301 are connected to the machine base 30 through T-shaped mounting grooves 30a.

[0043] like Figure 4 As shown, there are multiple first positioning components 100. In this embodiment, four first positioning components 100 are illustrated. The multiple first positioning components 100 are arranged at equal intervals along the circumference of the GIS shell 20.

[0044] like Figure 5 As shown, the first positioning component 100 includes a base 110, a height adjustment mechanism 120, and a first pressing mechanism 130. The base 110 is mounted on the machine tool 30, and the height adjustment mechanism 120 is mounted on the base 110. The lower surface of the large equal diameter section 203 of the GIS shell 20 to be processed is placed on the height adjustment mechanism 120. The height and posture of the GIS shell 20 can be adjusted by the height adjustment mechanism 120. The first pressing mechanism 130 is mounted on the base 110 and is used to press the GIS shell 20 downward, so that the GIS shell 20 is pressed onto the height adjustment mechanism 120.

[0045] like Figure 6As shown, the base 110 includes a first base plate 111 and a first upright plate 112. The first base plate 111 is disposed on the upper surface of the machine base 30. The end of the first base plate 111 is provided with a first U-shaped groove 111a. The first connector 140 passes through the first U-shaped groove 111a and the T-shaped mounting groove 30a from top to bottom, thereby fixing the first base plate 111 on the machine base 30. The first connector 140 refers to the existing bolt and nut combination.

[0046] like Figure 6 As shown, in this embodiment, the first base plate 111 can be installed at a position that can be selected according to the size of the GIS shell 20 to be processed, and can be adapted to the positioning of GIS shells 20 of different specifications.

[0047] like Figure 6 As shown, the first upright plate 112 is vertically connected to the upper surface of the first base plate 111 along the height direction, and the first upright plate 112 is used to install the first pressing mechanism 130.

[0048] like Figure 6 As shown, the height adjustment mechanism 120 includes a first wedge-shaped platform 121 and a second wedge-shaped platform 122 that slide and engage with each other. The first wedge-shaped platform 121 is disposed on the first base plate 111, and the second wedge-shaped platform 122 is slidably disposed on the first wedge-shaped platform 121. The first wedge-shaped platform 121 and the second wedge-shaped platform 122 form a wedge-shaped engagement. When the second wedge-shaped platform 122 slides relative to the first wedge-shaped platform 121, the height position of the second wedge-shaped platform 122 can be changed accordingly. The upper surface of the second wedge-shaped platform 122 is a horizontal plane, and the lower surface of the large equal-diameter section 203 of the GIS shell 20 to be processed is placed on the upper surface of the second wedge-shaped platform 122.

[0049] like Figure 6As shown, in this preferred embodiment, the height adjustment mechanism 120 further includes an adjusting screw 123 and a mating block 124. The first upright plate 112 is provided with a sliding groove 112a, the length direction of which is configured in the height direction. The inner width of the sliding groove 112a is equal to or slightly larger than the outer diameter of the adjusting screw 123. For example, the inner width of the sliding groove 112a is 1 to 1.2 times the outer diameter of the adjusting screw 123. The adjusting screw 123 passes through the sliding groove 112a and can move up and down relative to the sliding groove 112a in the height direction. Two shoulders are provided at intervals at the middle position of the adjusting screw 123. The two shoulders are respectively located at the first... The adjustment screw 123 is fixed to the slide groove 112a on both sides of the thickness direction of the vertical plate 112, thus preventing the adjustment screw 123 from disengaging from the slide groove 112a. The axial direction of the adjustment screw 123 is consistent with the radial direction of the machine base 30. One axial end of the adjustment screw 123 passes through the mating block 124, and the adjustment screw 123 is threadedly engaged with the mating block 124. The mating block 124 is fixedly set on the lower surface of the second wedge stage 122. When the adjustment screw 123 is rotated, the second wedge stage 122 can be pulled or pushed to slide relative to the first wedge stage 121. At the same time, the slide groove 112a on the first vertical plate 112 can provide space for the adjustment screw 123 to follow the second wedge stage 122 for up and down adjustment.

[0050] like Figure 6 As shown, the first clamping mechanism 130 includes a horizontal plate 131, a first screw 132, a first pressure plate 133, and a first clamping nut 134. The horizontal plate 131 is connected to one side of the first vertical plate 112 in a horizontal direction. The first screw 132 is vertically connected to the horizontal plate 131 and passes upward through the first pressure plate 133. The first pressure plate 133 is horizontally arranged. The first clamping nut 134 is threaded to the first screw 132 and is located above the first pressure plate 133. When the GIS housing 20 needs to be pressed down, the first clamping nut 134 is screwed in downwards. The lower surface of the first clamping nut 134 drives the first pressure plate 133 to move downwards. The first end of the first pressure plate 133 is provided with a first clamping surface 1331. The first clamping surface 1331 is an arc-shaped surface. The shape of the first clamping surface 1331 matches the outer peripheral surface of the variable diameter section 202 of the GIS housing 20, so that the first clamping surface 1331 can fit against the outer peripheral surface of the variable diameter section 202. As the first clamping nut 134 continues to move downwards, the first clamping surface 1331 of the first pressure plate 133 presses the GIS housing 20 downwards onto the height adjustment mechanism 120.

[0051] like Figure 6As shown, in the preferred embodiment, the first pressing plate 133 is provided with a first waist-shaped hole 133a, the length direction of the first waist-shaped hole 133a is configured as the radial direction of the GIS shell 20, and the first screw rod 132 passes through the first waist-shaped hole 133a upward. Due to the design of the first waist-shaped hole 133a, the first pressing plate 133 can move horizontally in the radial direction of the GIS shell 20, so that the first pressing plate 133 can be adaptively adjusted to a suitable pressing position, and then the first pressing surface 1331 can be attached to the outer circumferential surface of the variable-diameter section 202 of the GIS shell 20.

[0052] As shown in the drawings, Figure 6 As shown, the upper end of the first vertical plate 112 is provided with a first step surface 1121, the first end of the first pressing plate 133 is provided with a first pressing surface 1331, and the second end of the first pressing plate 133 is overlapped with the first step surface 1121. Since the outer periphery of the variable-diameter section 202 of the GIS shell 20 to be machined is a special-shaped curved surface, the first pressing plate 133 will slide down when pressed downward. The first step surface 1121 prevents the first pressing plate 133 from sliding down, thereby more reliably clamping the GIS shell 20 to be machined, avoiding vibration of the GIS shell 20 during machining, and increasing the cutting feed and rotation speed, thereby greatly improving the production efficiency.

[0053] As shown in the drawings, Figure 7 As shown, the second positioning assembly 200 is arranged on the inner side of the GIS shell 20 to be machined, and the second positioning assembly 200 includes a second bottom plate 210 and a second pressing mechanism 220. The second bottom plate 210 is arranged on the upper surface of the machine table 30, and the number of the second pressing mechanism 220 is multiple, and four second pressing mechanisms 220 are arranged on the second bottom plate 210 along the circumferential direction of the GIS shell 20.

[0054] As shown in the drawings, Figure 8 As shown in the drawings, in the preferred embodiment, the second bottom plate 210 has a cross shape in plan view, and the second bottom plate 210 has four end portions, each of which is provided with a second U-shaped groove 210a. The second connecting piece 230 passes through the second U-shaped groove 210a and the T-shaped mounting groove 30a in sequence from top to bottom, and fastens and connects the second bottom plate 210 to the upper surface of the machine table 30. The second connecting piece 230 refers to the existing bolt and nut combination, which will not be described here.

[0055] As shown in the drawings, Figure 8As shown, the second pressing mechanism 220 comprises a second screw rod 221, a second pressing plate 222 and a second pressing nut 223; the lower end of the second screw rod 221 is connected to the second bottom plate 210, the axial direction of the second screw rod 221 is configured as the height direction, the second screw rod 221 passes through the second pressing plate 222 upwards, the second pressing plate 222 is horizontally arranged, the first end of the second pressing plate 222 is provided with a second pressing surface 2221, the second pressing surface 2221 is an arc surface, the shape of the second pressing surface 2221 matches the inner circumferential surface of the variable diameter section 202 of the GIS shell 20, so that the second pressing surface 2221 can be attached to the inner circumferential surface of the variable diameter section 202, the second pressing nut 223 is threadedly connected to the second screw rod 221, the second pressing nut 223 is located on the upper side of the second pressing plate 222, when the GIS shell 20 needs to be pressed, the second pressing nut 223 is screwed downwards, the second pressing nut 223 drives the second pressing plate 222 to move downwards, and the second pressing surface 2221 presses the inner circumferential surface of the variable diameter section 202 of the GIS shell 20 downwards.

[0056] As shown in the drawings, Figure 8 In this embodiment, the second pressing plate 222 is provided with a second waist-shaped hole 222a, the length direction of the second waist-shaped hole 222a is configured as the radial direction of the GIS shell 20, and the second screw rod 221 passes through the second waist-shaped hole 222a upwards. Due to the design of the second waist-shaped hole 222a, the second pressing plate 222 can move horizontally in the radial direction of the GIS shell 20, so that the second pressing plate 222 can be adaptively adjusted to a suitable pressing position, and then the second pressing surface 2221 is attached to the inner circumferential surface of the variable diameter section 202 of the GIS shell 20.

[0057] As shown in the drawings, Figure 8 In this embodiment, the second pressing mechanism 220 further comprises a second vertical plate 224, which is vertically arranged on the second bottom plate 210, and the upper end of the second vertical plate 224 is provided with a second stepped surface 2241. The first end of the second pressing plate 222 is provided with the second pressing surface 2221, and the second end of the second pressing plate 222 is overlapped with the second stepped surface 2241. The second stepped surface 2241 supports and blocks the second pressing plate 222, so as to ensure that the second pressing plate 222 clamps the GIS shell 20 to be processed more reliably.

[0058] The working principle of the positioning assembly 10 for processing the GIS shell 20 in this embodiment is as follows:

[0059] As shown in the drawings, Figure 4 and Figure 5As shown, when the small diameter section 201 of the GIS shell 20 needs to be machined, a plurality of first positioning assemblies 100 are arranged along the circumference of the GIS shell 20 at intervals, the first base plate 111 of the first positioning assembly 100 is locked on the machine table 30 by the first connecting piece 140 after being adjusted to the appropriate position, the lower surface of the large diameter section 203 of the GIS shell 20 to be machined is placed on the second wedge-shaped table 122 of the height adjusting mechanism 120, the height and posture of the GIS shell 20 can be adjusted by the height adjusting mechanism 120, then the first pressing plate 133 of the first pressing mechanism 130 is moved downward to be attached to the outer circumferential surface of the variable diameter section 202 of the GIS shell 20, and the GIS shell 20 is pressed on the second wedge-shaped table 122, after positioning is completed, the external machine tool machines the GIS shell 20.

[0060] As shown, Figure 9 As shown, when the large diameter section 203 of the GIS shell 20 needs to be machined, the GIS shell 20 needs to be placed upside down on the machine table 30, then the second base plate 210 of the second positioning assembly 200 is placed on the axis position of the machine table 30 and locked on the machine table 30 by the second connecting piece 230, the second pressing plate 222 on the second positioning assembly 200 is moved downward and contacted with the inner circumferential surface of the variable diameter section 202 of the GIS shell 20, and the GIS shell 20 is pressed on the machine table 30, after positioning is completed, the external machine tool machines the GIS shell 20.

[0061] The above is only a specific embodiment of the present application, and those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described system, module and unit can refer to the corresponding process in the foregoing method embodiments, which will not be described here. It should be understood that the protection scope of the present application is not limited to this, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical range disclosed in the present application, and these modifications or replacements should be covered within the protection scope of the present application.

Claims

1. A positioning assembly for GIS shell machining, the GIS shell (20) comprising small-diameter sections (201), variable-diameter sections (202) and large-diameter sections (203) connected in sequence, characterized in that, The positioning assembly (10) comprises a first positioning assembly (100) used when machining the small equal-diameter section (201) and a second positioning assembly (200) used when machining the large equal-diameter section (203); The first positioning assembly (100) is arranged circumferentially along the GIS shell, and comprises a base body (110), a height adjusting mechanism (120), and a first pressing mechanism (130). The base body (110) is arranged on the machine table (30), the height adjusting mechanism (120) is arranged on the base body (110), and the lower surface of the large equal-diameter section (203) is arranged on the height adjusting mechanism (120). The first pressing mechanism (130) is connected to the base body (110), and the first pressing mechanism (130) is in contact with the outer circumference of the variable-diameter section (202) to press the GIS shell (20) on the height adjusting mechanism (120). The second positioning assembly (200) comprises a second base plate (210) and a plurality of second pressing mechanisms (220) arranged circumferentially along the GIS shell. The second base plate (210) is arranged on the machine table (30), and the second pressing mechanisms (220) are arranged on the second base plate (210). The second pressing mechanisms (220) are in contact with the inner circumference of the variable-diameter section (202) to press the GIS shell (20) on the machine table (30).

2. The positioning assembly for GIS housing machining according to claim 1, characterized in that, The base body (110) comprises a first base plate (111) and a first vertical plate (112). The first base plate (111) is connected to the machine table (30), and the first vertical plate (112) is vertically connected to the first base plate (111). The height adjusting mechanism (120) is arranged on the first base plate (111), and the first pressing mechanism (130) is connected to the first vertical plate (112).

3. The positioning assembly for processing GIS enclosures of claim 2, wherein, A plurality of T-shaped installation grooves (30a) are arranged on the machine table (30) and are arranged circumferentially along the GIS shell (20). The length direction of the T-shaped installation groove (30a) is configured as the radial direction of the GIS shell (20). The first base plate (111) is provided with a first U-shaped groove (111a), and the first connecting piece (140) passes through the first U-shaped groove (111a) and the T-shaped installation groove (30a) to fix the first base plate (111) on the machine table (30).

4. The positioning assembly for processing GIS enclosures of claim 3, wherein, The height adjusting mechanism (120) comprises a first wedge-shaped table (121) and a second wedge-shaped table (122). The first wedge-shaped table (121) is arranged on the first base plate (111), and the second wedge-shaped table (122) is slidingly arranged on the first wedge-shaped table (121). The second wedge-shaped table (122) changes its height position by sliding relative to the first wedge-shaped table (121), and the lower surface of the large equal-diameter section (203) is arranged on the upper surface of the second wedge-shaped table (122).

5. The positioning assembly for processing GIS enclosures of claim 4, wherein, The height adjusting mechanism (120) further comprises an adjusting screw (123) and a matching block (124); the first vertical plate (112) is provided with a sliding groove (112a) arranged along the height direction, the adjusting screw (123) passes through the sliding groove (112a), the adjusting screw (123) is threadedly connected with the matching block (124), and the matching block (124) is arranged on the second wedge-shaped table (122), and the second wedge-shaped table (122) is driven to slide relative to the first wedge-shaped table (121) by the adjusting screw (123).

6. The positioning assembly for processing GIS enclosures according to any one of claims 2 to 5, characterized in that, The first pressing mechanism (130) comprises a horizontal plate (131), a first screw (132), a first pressing plate (133) and a first pressing nut (134); the horizontal plate (131) is connected to one side of the first vertical plate (112), the first screw (132) is vertically connected to the horizontal plate (131), the first screw (132) passes through the first pressing plate (133), the first pressing plate (133) is provided with a first pressing surface (1331) abutting against the variable-diameter section (202), and the first pressing nut (134) is threadedly connected to the first screw (132) and used to drive the first pressing plate (133) to press downward on the outer periphery of the variable-diameter section (202).

7. The positioning assembly for processing GIS enclosures of claim 6, wherein, The first pressing plate (133) is provided with a first waist-shaped hole (133a) through which the first screw (132) passes, and the first vertical plate (112) is provided with a first stepped surface (1121), one end of the first pressing plate (133) being lapped on the first stepped surface (1121).

8. The positioning assembly for GIS housing machining according to claim 3, characterized in that, The second bottom plate (210) is cross-shaped, and four end portions of the second bottom plate (210) are provided with second U-shaped grooves (210a), the second connecting piece (230) passes through the second U-shaped grooves (210a) and the T-shaped mounting groove (30a) to fix the second bottom plate (210) on the machine table (30); and the plurality of second pressing mechanisms (220) are arranged equidistantly along the circumference of the GIS shell (20) on the second bottom plate (210).

9. The positioning assembly for processing GIS enclosures of claim 8, wherein, The second pressing mechanism (220) comprises a second screw (221), a second pressing plate (222) and a second pressing nut (223); the second screw (221) is vertically connected to the second bottom plate (210), the second screw (221) passes through the second pressing plate (222), the second pressing plate (222) is provided with a second pressing surface (2221) abutting against the variable-diameter section (202), and the second pressing nut (223) is threadedly connected to the second screw (221) and used to drive the second pressing plate (222) to press downward on the inner periphery of the variable-diameter section (202).

10. The positioning assembly for processing GIS enclosures of claim 9, wherein, The second pressing mechanism (220) further comprises a second vertical plate (224) vertically arranged on the second bottom plate (210); The second pressing plate (222) is provided with a second waist-shaped hole (222a) through which the second screw (221) passes, and the second vertical plate (224) is provided with a second stepped surface (2241), one end of the second pressing plate (222) being lapped on the second stepped surface (2241).

Images