Double-spliced ring main unit foundation with cable well

Abstract

The utility model discloses a double-spliced ring main unit foundation with cable wells, and belongs to the technical field of prefabricated pipe galleries. Comprising a ring main unit foundation and a cable well, the ring main unit foundation and the cable well are arranged in a spliced mode, the ring main unit foundation is formed by splicing a first bottom plate, a first foundation body and an exposed part, the cable well is formed by splicing a second bottom plate, a second foundation body and a top plate, and the first foundation body, the exposed part and the second foundation body are each of a rectangular cylindrical structure; a ventilation window is arranged on the exposed part, and mounting channel steel is arranged at the top of the exposed part; communication holes are formed in the sides, close to each other, of the first foundation body and the second foundation body, and wire inlet and outlet holes are formed in the side, away from the first foundation body, of the second foundation body; the lower end of the first foundation body and the first bottom plate, the upper end of the first foundation body and the lower end of the exposed part, the lower end of the second foundation body and the second bottom plate, and the upper end of the second foundation body and the top plate are connected through a plurality of locking structures.

Description

Technical Field

[0001] The utility model belongs to the technical field of prefabricated pipe corridors, and particularly relates to a double-jointed ring network cabinet foundation with a cable well. Background Art

[0002] Ring main unit is an electrical equipment for transmission and distribution (high voltage switchgear) installed in a metal or non-metallic insulating cabinet or made into an assembled interval ring main unit. Its core part adopts load switches and fuses. It has the advantages of simple structure, small size, low price, improved power supply parameters and performance, and power supply safety. Ring main units are widely used in marine engineering buildings, especially in load center distribution stations and box-type substations. In related technologies, in order to cooperate with the installation of ring main units, it is usually necessary to set up the foundation of the ring main unit in a targeted manner. The foundation of the ring main unit is a common civil engineering infrastructure in distribution network projects.

[0003] For example, the patent with application number CN202110493922.0 discloses a prefabricated assembled ring network cabinet foundation, including a ring network cabinet placement seat and at least one foundation well, the foundation well includes at least a cable inlet and a cable outlet, and the foundation well is also connected to the ring network cabinet placement seat; the ring network cabinet placement seat is spliced ​​by a bottom plate and a first side frame, and the first side frame is spliced ​​by multiple side panels; the foundation well is spliced ​​by a bottom plate, a top plate and a second side frame, and the second side frame is also spliced ​​by multiple side panels. The first side frame includes a rear side panel, a first left side panel, a first right side panel and a middle side panel, wherein the rear side panel, the first left side panel and the first right side panel are all connected to the prefabricated bottom panel, the two ends of the rear side panel are also respectively connected to the first left side panel and the first right side panel, and the two ends of the middle side panel are respectively connected to the first left side panel and the first right side panel; the second side frame includes a front side panel, a middle side panel, a second left side panel and a second right side panel, wherein the front side panel is connected to the prefabricated bottom panel, the front and rear ends of the second left side panel are respectively connected to the middle side panel and the front side panel, and the front and rear ends of the second right side panel are respectively connected to the middle side panel and the front side panel. The first side frame, the second side frame and the prefabricated bottom panel are welded and connected by the embedded iron on their respective contact surfaces, and the side panels of the first side frame and the second side frame are also welded and connected to each other by the embedded iron on their respective contact surfaces.

[0004] The above prefabricated assembled ring main unit foundation is formed by splicing multiple side panels, and the installation is complicated. Utility Model Content

[0005] In order to solve the above problems, the embodiment of the utility model provides a double-jointed ring main unit foundation with a cable well, which is spliced ​​by the ring main unit foundation and the cable well. The ring main unit foundation is formed by the first bottom plate, the first foundation body and the exposed part being spliced ​​in sequence from bottom to top, and the cable well is formed by the second bottom plate, the second foundation body and the top plate being spliced ​​in sequence from bottom to top. The first foundation body, the exposed part and the second foundation body are all rectangular cylindrical structures, and the first bottom plate, the second bottom plate and the top plate are all plate-like structures; that is, this patent can be composed of six structures spliced ​​together, and three structures are spliced ​​up and down, and then arranged side by side left and right. Each structure is a regular structure, which is also convenient for production and transportation. The technical scheme is as follows:

[0006] The utility model embodiment provides a double-jointed ring network cabinet foundation with a cable well, comprising a ring network cabinet foundation 1 arranged in a front-to-back direction, and a cable well 2 on the left or right side of the ring network cabinet foundation 1, wherein the upper part of the ring network cabinet foundation 1 is exposed to the ground to form an exposed part 13, and an inspection hole 3 is provided on the top of the cable well 2, and a ventilation window 4 is provided on the exposed part 13 and a mounting channel steel 5 is provided on the top thereof; the ring network cabinet foundation 1 and the cable well 2 are spliced ​​and arranged, and the ring network cabinet foundation 1 is formed by splicing a first bottom plate 11, a first foundation body 12 and an exposed part 13 in sequence from bottom to top, and the cable well 2 is formed by splicing a second bottom plate 21, a second foundation body 22 and a top plate 23 in sequence from bottom to top, and the first foundation The main body 12 and the exposed portion 13 are rectangular cylindrical structures that cooperate with each other, the second basic main body 22 is a rectangular cylindrical structure, and the inspection hole 3 is arranged on the top plate 23; the first basic main body 12 and the second basic main body 22 are close to each other on the side provided with one or more mutually cooperating connecting holes 6, and the second basic main body 22 is away from the first basic main body 12. The side provided with the entry and exit holes 7; the lower end of the first basic main body 12 and the first bottom plate 11, the upper end of the first basic main body 12 and the lower end of the exposed portion 13, the lower end of the second basic main body 22 and the second bottom plate 21, and the upper end of the second basic main body 22 and the top plate 23 are all connected by multiple locking structures 8.

[0007] Specifically, in the embodiment of the utility model, the first bottom plate 11 and the second bottom plate 21 are both rectangular plates arranged along the front-to-back direction, the corresponding sides of the first bottom plate 11, the first basic body 12 and the exposed portion 13 are aligned, the corresponding sides of the second bottom plate 21, the second basic body 22 and the top plate 23 are flush, the first bottom plate 11 and the second bottom plate 21 are closely arranged and have the same height, the first basic body 12 and the second basic body 22 are closely arranged and have the same height, and the exposed portion 13 and the top plate 23 are closely arranged.

[0008] Preferably, the first bottom plate 11 and the second bottom plate 21 in the embodiment of the utility model are the same, and the first basic body 12 and the second basic body 22 are the same.

[0009] Specifically, two communication holes 6 are arranged side by side in the first basic body 12 and the second basic body 22 in the embodiment of the utility model, where the two sides are close to each other.

[0010] Specifically, the inspection hole 3 in the embodiment of the utility model is arranged in the middle of the top plate 23 , the two connecting holes 6 are respectively located in front and behind the inspection hole 3 , and the inlet and outlet holes 7 are located in front or behind the inspection hole 3 .

[0011] More specifically, the connecting hole 6 and the inlet and outlet wire holes 7 in the embodiment of the utility model are both rectangular holes arranged along the front-to-back direction, and the length and width of the connecting hole 6 are both greater than or equal to 80 mm.

[0012] Among them, the locking structure 8 in the embodiment of the utility model includes a bolt 81, a nut 82, a long bolt installation notch 83 and a short nut installation notch 84; the long bolt installation notch 83 is vertically arranged, and is arranged on the first basic body 12 or the second basic body 22, and a through hole 85 for the bolt 81 to pass through is provided between it and the corresponding end of the first basic body 12 or the second basic body 22 in the vertical direction, and the bolt 81 can be inserted; the upper and lower parts of the first basic body 12 are both provided with a long bolt installation notch 83, and the upper and lower parts of the second basic body 22 are both provided with a long bolt installation notch 83; the short nut installation notch 84 is arranged on the lower part of the outer wall of the exposed part 13, the first bottom plate 11, the second bottom plate 21 or the top plate 23, and it is located directly below or directly above the long bolt installation notch 83, and it is aligned with the upper end of the first bottom plate 11, A through hole 85 is vertically provided between the upper end of the second bottom plate 21, the lower end of the top plate 23 or the lower end of the exposed portion 13 for the bolt 81 to pass through, and the nut 82 can be inserted into the through hole 85; the length of the long bolt mounting notch 83 is greater than the length of the bolt 81, and the distance between the side close to the corresponding short nut mounting notch 84 and the side of the short nut mounting notch 84 away from the long bolt mounting notch 83 is greater than the screw length of the bolt 81, and the width is greater than the diameter of the head of the bolt 81; the width of the short nut mounting notch 84 is greater than the diameter of the nut 82; when locking, the nut 82 is located in the short nut mounting notch 84; the bolt 81 is inserted from the long bolt mounting notch 83, and its head is located at the end away from the corresponding short nut mounting notch 84, and it passes through the through hole 85 upward or downward, and its upper end or lower end reaches the short nut mounting notch 84 and is locked by the nut 82.

[0013] Specifically, the upper and lower parts of the first basic body 12 in the embodiment of the utility model are respectively provided with a plurality of first upper long bolt mounting notches and first lower long bolt mounting notches, the upper and lower parts of the second basic body 22 are respectively provided with a plurality of second upper long bolt mounting notches and second lower long bolt mounting notches, the lower part of the exposed part 13 is provided with a plurality of first upper short nut mounting notches, the side edge of the first bottom plate 11 is provided with a plurality of first lower short nut mounting notches, the side edge of the top plate 23 is provided with a plurality of second upper short nut mounting notches, and the side edge of the second bottom plate 21 is provided with a plurality of second lower short nut mounting notches; the first upper long bolt mounting notch is located directly below the corresponding first upper short nut mounting notch and a first upper bolt is provided between it and the first upper short nut mounting notch, the first lower long bolt mounting notch is located directly above the corresponding first lower short nut mounting notch and a first lower bolt is provided between it and the first lower short nut mounting notch, the second upper long bolt mounting notch is located directly below the corresponding second upper short nut mounting notch and a second upper bolt is provided between it and the second upper short nut mounting notch , the second lower long bolt mounting notch is located directly above the corresponding second lower short nut mounting notch and a second lower bolt is provided between it and the second lower short nut mounting notch; the upper sides of the first upper long bolt mounting notch, the second upper long bolt mounting notch, the first lower short nut mounting notch and the second lower short nut mounting notch are all provided with a through hole 85, and the lower sides of the first lower long bolt mounting notch, the second lower long bolt mounting notch, the first upper short nut mounting notch and the second upper short nut mounting notch are all provided with a through hole 85; the first upper bolt is arranged upward, its head is against the upper side of the first upper long bolt mounting notch, and its upper end is located in the first upper short nut mounting notch; the second upper bolt is arranged upward, its head is against the upper side of the second upper long bolt mounting notch, and its upper end is located in the second upper short nut mounting notch; the first lower bolt is arranged downward, its head is against the lower side of the first lower long bolt mounting notch, and its lower end is located in the first lower short nut mounting notch; the second lower bolt is arranged downward, its head is against the lower side of the second lower long bolt mounting notch, and its lower end is located in the second lower short nut mounting notch.

[0014] Preferably, the long bolt mounting notch 83 and the short nut mounting notch 84 in the embodiment of the utility model are both vertically arranged rectangular notches; the upper sides of the first upper long bolt mounting notch, the second upper long bolt mounting notch, the first lower short nut mounting notch and the second lower short nut mounting notch are all horizontal edges, and the other three sides are all beveled edges; the lower sides of the first lower long bolt mounting notch, the second lower long bolt mounting notch, the first upper short nut mounting notch and the second upper short nut mounting notch are all horizontal edges, and the other three sides are all beveled edges; the beveled edges are arranged obliquely from the outside to the inside toward the center of the rectangular notch.

[0015] More specifically, the specification of the bolt 81 in the embodiment of the utility model is M16, and its length is 340mm; the width of the long bolt mounting gap 83 and the short nut mounting gap 84 are the same and both are greater than 80mm, the length of the long bolt mounting gap 83 is greater than 340mm, and the length of the short nut mounting gap 84 is greater than 80mm.

[0016] The beneficial effects brought about by the technical solution provided by the embodiment of the utility model are as follows: the embodiment of the utility model provides a double-jointed ring network cabinet foundation with a cable well, which is spliced ​​by the ring network cabinet foundation and the cable well. The ring network cabinet foundation is formed by the first bottom plate, the first foundation body and the exposed part being spliced ​​in sequence from bottom to top, and the cable well is formed by the second bottom plate, the second foundation body and the top plate being spliced ​​in sequence from bottom to top. The first foundation body, the exposed part and the second foundation body are all rectangular cylindrical structures, and the first bottom plate, the second bottom plate and the top plate are all plate-like structures; that is, this patent can be spliced ​​by six structures, three structures are spliced ​​up and down, and then arranged side by side left and right. Each structure is a regular structure, which is also convenient for production and transportation. It can be installed only by bolts and nuts, which is convenient to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a left view of the foundation of a double-jointed ring main unit with a cable well provided in an embodiment of the utility model;

[0018] Figure 2 It is a right view of the foundation of a double-jointed ring main unit with a cable well provided by an embodiment of the utility model;

[0019] Figure 3 It is a top view of the foundation of a double-jointed ring main unit with a cable well provided in an embodiment of the utility model;

[0020] Figure 4 It is a front view of the foundation of a double-jointed ring main unit with a cable well provided by an embodiment of the utility model;

[0021] Figure 5 is a structural schematic diagram of a locking structure;

[0022] Figure 6 yes Figure 1 Dimensioning drawings;

[0023] Figure 7 yes Figure 4 Dimensioning drawing.

[0024] In the figure: 1 ring main unit foundation, 2 cable well, 3 inspection hole, 4 ventilation window, 5 installation channel steel, 6 connecting hole, 7 inlet and outlet holes, 8 locking structure connection, 9 cable;

[0025] 11 first bottom plate, 12 first basic body, 13 exposed portion;

[0026] 21 second bottom plate, 22 second basic body, 23 top plate;

[0027] 81 bolt, 82 nut, 83 long bolt mounting notch, 84 short nut mounting notch, 85 through hole. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings.

[0029] Example 1

[0030] See also Figure 1-5Embodiment 1 provides a double-jointed ring network cabinet foundation with a cable well, including a ring network cabinet foundation 1 arranged in the front-to-back direction, a cable well 2 on the left or right side of the ring network cabinet foundation 1, etc. The ring network cabinet foundation 1 and the cable well 2 are spliced ​​and arranged, and the upper part of the ring network cabinet foundation 1 is exposed to the ground to form an exposed part 13 (height greater than or equal to 400mm). Among them, the ring network cabinet foundation 1 is formed by splicing the first bottom plate 11, the first foundation body 12 and the exposed part 13 from bottom to top in sequence, and the cable well 2 is formed by splicing the second bottom plate 21, the second foundation body 22 and the top plate 23 from bottom to top in sequence, and the exposed part 13 is provided with a ventilation window 4 (specifically a rectangular opening) and a mounting channel steel 5 (for installing the ring network cabinet) is provided on the top; specifically, multiple ventilation windows 4 are arranged side by side on both sides of the exposed part 13. An inspection hole 3 (specifically a manhole) is provided on the top plate 23; specifically, the inspection hole 3 is arranged in the middle of the top plate 23. The first basic body 12 and the exposed part 13 are mutually matched rectangular cylindrical structures, and the second basic body 22 is a rectangular cylindrical structure. The first bottom plate 11 and the second bottom plate 21 are both rectangular plates arranged in the front-to-back direction. The corresponding sides of the first bottom plate 11, the first basic body 12 and the exposed part 13 are aligned, and the corresponding sides of the second bottom plate 21, the second basic body 22 and the top plate 23 are flush. The first bottom plate 11 and the second bottom plate 21 are arranged closely and at the same height, and the first basic body 12 and the second basic body 22 are arranged closely and at the same height. The exposed part 13 and the top plate 23 are arranged closely. One or more mutually matched connecting holes 6 are provided on the side where the first basic body 12 and the second basic body 22 are close to each other. The connecting hole 6 requires people to pass through to inspect the inside of the ring network cabinet foundation 1. The connecting hole 6 has two functions: one is for the cable 9 to pass through, and the other is for people to pass through. Specifically, the connecting hole 6 is a rectangular hole arranged in the front-to-back direction, and its length and width are both greater than or equal to 80mm. More specifically, two connecting holes 6 are arranged side by side on the sides where the first foundation body 12 and the second foundation body 22 are close to each other (the two connecting holes 6 are respectively located in front of and behind the inspection hole 3) so that the cables can form a ring in the foundation of the ring network cabinet. A wire entry and exit hole 7 is provided on the side of the second foundation body 22 away from the first foundation body 12 for the entry and exit of the cable 9. Specifically, the wire entry and exit hole 7 is a rectangular hole arranged in the front-to-back direction, and its length and width are both greater than or equal to 60 mm. More specifically, the wire entry and exit hole 7 is located in front of or behind the inspection hole 3. Among them, the first bottom plate 11, the first foundation body 12, the exposed portion 13, the second bottom plate 21, the second foundation body 22 and the top plate 23 are all concrete structures with steel bars.

[0031] Among them, the lower end of the first basic body 12 and the first bottom plate 11, the upper end of the first basic body 12 and the lower end of the exposed portion 13, the lower end of the second basic body 22 and the second bottom plate 21, and the upper end of the second basic body 22 and the top plate 23 are all connected by multiple locking structures 8. Specifically, multiple locking structures 8 are arranged side by side on both the left and right sides of the ring network cabinet foundation 1 and the cable well 2.

[0032] Furthermore, sealing structures (specifically, they may be sealant, waterproof glue, or water-swellable waterstop strips, etc.) are provided between the lower end of the first basic body 12 and the first bottom plate 11, between the upper end of the first basic body 12 and the lower end of the exposed portion 13, between the lower end of the second basic body 22 and the second bottom plate 21, and between the upper end of the second basic body 22 and the top plate 23 to achieve sealing at the joints.

[0033] Preferably, the first bottom plate 11 and the second bottom plate 21 in the embodiment of the utility model are the same, and the first basic body 12 and the second basic body 22 are the same, so that the use is more flexible. The first bottom plate 11 and the second bottom plate 21 can be replaced with each other, and the second basic body 22 can also replace the first basic body 12 in some cases.

[0034] Example 2

[0035] See also Figure 6-7 , Example 2 provides a double-piece ring network cabinet foundation with a cable well, and its structure is basically the same as that of Example 1, except that: the dimensions of the first bottom plate 11 and the second bottom plate 21 in this embodiment are: 4100mm long, 1350mm wide, and 200mm thick. The dimensions of the first foundation body 12 and the second foundation body 22 are: 4100mm long, 1350mm wide, 1300mm high, and 180mm thick. The dimensions of the exposed part 13 are: 4100mm long, 1350mm wide, 600mm high, and 180mm thick. The dimensions of the top plate 23 are: 4100mm long, 1350mm wide, and 200mm thick. The diameter of the inspection hole 3 is 1000mm. The dimensions of the connecting hole 6 are: 1000mm long and 1000mm wide. The dimensions of the inlet and outlet holes 7 are: 800mm long and 800mm wide. Correspondingly, the dimensions of the ring main unit are: 4000mm long and 1250mm wide.

[0036] Of course, the foundation of the double-jointed ring main unit with cable well in this embodiment can also be of other sizes.

[0037] Example 3

[0038] See also Figure 1-5, Embodiment 3 provides a double-jointed ring network cabinet foundation with a cable well, and its structure is basically the same as that of Embodiment 1, except that: the locking structure 8 in this embodiment includes bolts 81, nuts 82 (and gaskets as needed), long bolt installation notches 83 (including first upper long bolt installation notches, first lower long bolt installation notches, second upper long bolt installation notches, and second lower long bolt installation notches), and short nut installation notches 84 (including first upper short nut installation notches, first lower short nut installation notches, second upper short nut installation notches, and second lower short nut installation notches), etc. The long bolt installation notches 83 are vertically arranged, and are arranged on the first foundation body 12 or the second foundation body 22. A through hole 85 (specifically a circular hole, the diameter of which is slightly larger than the diameter of the screw rod of the bolt 81) is provided between the corresponding ends of the long bolt installation notches 83 and the first foundation body 12 or the second foundation body 22 in the vertical direction for the bolt 81 to pass through, and the bolt 81 can be inserted into the notch. The upper and lower parts of the first basic body 12 are both provided with long bolt installation notches 83, and the upper and lower parts of the second basic body 22 are both provided with long bolt installation notches 83. The short nut installation notches 84 are provided at the lower part of the outer wall of the exposed part 13, the side of the first bottom plate 11, the side of the second bottom plate 21 or the side of the top plate 23, and are located directly below or directly above the long bolt installation notches 83. A through hole 85 (specifically a round hole, the diameter of which is slightly larger than the diameter of the screw rod of the bolt 81) is provided along the vertical direction between the through hole 85 and the upper end of the first bottom plate 11, the upper end of the second bottom plate 21, the lower end of the top plate 23 or the lower end of the exposed part 13 for the bolt 81 to pass through, and the nut 82 can be placed therein (and the nut 82 should also be convenient for tightening the nut 82). Among them, the through hole 85 is located at the midline of the long bolt installation notch 83 or the short nut installation notch 84. The length of the long bolt installation notch 83 is greater than the length of the bolt 81 to ensure that the bolt 81 can be inserted, the distance between the side close to the corresponding short nut installation notch 84 and the side of the short nut installation notch 84 away from the long bolt installation notch 83 is greater than the screw length of the bolt 81 to ensure that the bolt 81 is installed, and the width is greater than the diameter of the head of the bolt 81 to ensure that the bolt 81 is inserted. The width of the short nut installation notch 84 is greater than the diameter of the nut 82 to ensure that the nut 82 is inserted. When locking, the nut 82 is located in the short nut installation notch 84. The bolt 81 is inserted from the long bolt installation notch 83, and its head is located at the end away from the corresponding short nut installation notch 84. It passes through the through hole 85 upward or downward, and its upper end or lower end is in the short nut installation notch 84 and is locked by the nut 82.

[0039] Specifically, see Figure 1-7In the embodiment of the utility model, the upper and lower parts of the first basic body 12 are respectively provided with a plurality of (specifically, two) first upper long bolt installation notches and first lower long bolt installation notches, the plurality of first upper long bolt installation notches are located on the same horizontal plane and are evenly arranged on the left and right sides of the first basic body 12, and the plurality of first lower long bolt installation notches are located on the same horizontal plane and are evenly arranged on the left and right sides of the first basic body 12. The upper and lower parts of the second basic body 22 are respectively provided with a plurality of second upper long bolt installation notches and second lower long bolt installation notches, the plurality of second upper long bolt installation notches are located on the same horizontal plane and are evenly arranged on the left and right sides of the second basic body 22, and the plurality of second lower long bolt installation notches are located on the same horizontal plane and are evenly arranged on the left and right sides of the second basic body 22. The lower part of the exposed part 13 is provided with a plurality of first upper short nut installation notches, the plurality of first upper short nut installation notches are located on the same horizontal plane and are evenly arranged on the left and right sides of the exposed part 13. The side of the first bottom plate 11 is provided with a plurality of first lower short nut installation notches, the plurality of first lower short nut installation notches are located on the same horizontal plane and are evenly arranged on the left and right sides of the first bottom plate 11. A plurality of second upper short nut mounting notches are provided on the side of the top plate 23, and the plurality of second upper short nut mounting notches are located on the same horizontal plane and are evenly arranged on the left and right sides of the top plate 23. A plurality of second lower short nut mounting notches are provided on the side of the second bottom plate 21, and the plurality of second lower short nut mounting notches are located on the same horizontal plane and are evenly arranged on the left and right sides of the second bottom plate 21.

[0040] The first upper long bolt installation notch is located directly below the corresponding first upper short nut installation notch and a first upper bolt is arranged between it and the first upper short nut installation notch. The first lower long bolt installation notch is located directly above the corresponding first lower short nut installation notch and a first lower bolt is arranged between it and the first lower short nut installation notch. The second upper long bolt installation notch is located directly below the corresponding second upper short nut installation notch and a second upper bolt is arranged between it and the second upper short nut installation notch. The second lower long bolt installation notch is located directly above the corresponding second lower short nut installation notch and a second lower bolt is arranged between it and the second lower short nut installation notch. The upper sides of the first upper long bolt installation notch, the second upper long bolt installation notch, the first lower short nut installation notch and the second lower short nut installation notch are all provided with through holes 85, and the lower sides of the first lower long bolt installation notch, the second lower long bolt installation notch, the first upper short nut installation notch and the second upper short nut installation notch are all provided with through holes 85. The bolt 81 passes through the two through holes 85 in sequence, and the two through holes 85 are located on the same vertical line.

[0041] The first upper bolt is arranged upward, and its head is against the upper side of the first upper long bolt installation notch, and its upper end is located in the first upper short nut installation notch. The second upper bolt is arranged upward, and its head is against the upper side of the second upper long bolt installation notch, and its upper end is located in the second upper short nut installation notch. The first lower bolt is arranged downward, and its head is against the lower side of the first lower long bolt installation notch, and its lower end is located in the first lower short nut installation notch. The second lower bolt is arranged downward, and its head is against the lower side of the second lower long bolt installation notch, and its lower end is located in the second lower short nut installation notch.

[0042] Preferably, the long bolt installation notch 83 and the short nut installation notch 84 in the embodiment of the utility model are both vertically arranged rectangular notches. The upper sides of the first upper long bolt installation notch, the second upper long bolt installation notch, the first lower short nut installation notch and the second lower short nut installation notch are all horizontal edges, and the other three sides are all beveled edges. The lower sides of the first lower long bolt installation notch, the second lower long bolt installation notch, the first upper short nut installation notch and the second upper short nut installation notch are all horizontal edges, and the other three sides are all beveled edges. The beveled edge is arranged obliquely from the outside to the inside toward the center of the rectangular notch, and the beveled edge is arranged to facilitate demoulding.

[0043] The through hole 85, the long bolt installation notch 83 and the short nut installation notch 84 are all formed during molding.

[0044] Example 4

[0045] Embodiment 4 provides a double-jointed ring network cabinet foundation with a cable well, and its structure is basically the same as that of Embodiment 1, except that: the specification of the bolt 81 in this embodiment is M16, and its length is 340 mm. The widths of the long bolt installation notch 83 and the short nut installation notch 84 are the same and both are greater than 80 mm (specifically 150 mm), the length of the long bolt installation notch 83 is greater than 340 mm (specifically 343 mm), the length of the short nut installation notch 84 is greater than 80 mm (specifically 143 mm), and the depths of the long bolt installation notch 83 and the short nut installation notch 84 are both 100 mm.

[0046] The “first” and “second” in this embodiment are only used for distinction and have no other special meanings.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-jointed ring network cabinet foundation with a cable well, comprising a ring network cabinet foundation (1) arranged in a front-to-back direction, and a cable well (2) on the left or right side of the ring network cabinet foundation (1), wherein the upper part of the ring network cabinet foundation (1) is exposed to the ground to form an exposed part (13), and the top of the cable well (2) is provided with an inspection hole (3), and the exposed part (13) is provided with a ventilation window (4) and a mounting channel steel (5) is provided on the top thereof; characterized in that: The ring network cabinet foundation (1) and the cable well (2) are spliced ​​together. The ring network cabinet foundation (1) is formed by splicing a first bottom plate (11), a first foundation body (12) and an exposed portion (13) in sequence from bottom to top. The cable well (2) is formed by splicing a second bottom plate (21), a second foundation body (22) and a top plate (23) in sequence from bottom to top. The first foundation body (12) and the exposed portion (13) are mutually matched rectangular cylindrical structures. The second foundation body (22) is a rectangular cylindrical structure. The inspection hole (3) is provided on the top plate (23). One or more mutually matching connecting holes (6) are provided on the side where the first base body (12) and the second base body (22) are close to each other, and a wire entry and exit hole (7) is provided on the side where the second base body (22) is far away from the first base body (12); the lower end of the first base body (12) and the first bottom plate (11), the upper end of the first base body (12) and the lower end of the exposed portion (13), the lower end of the second base body (22) and the second bottom plate (21), and the upper end of the second base body (22) and the top plate (23) are all connected by a plurality of locking structures (8).

2. The double-jointed ring main unit foundation with cable well according to claim 1 is characterized in that: The first bottom plate (11) and the second bottom plate (21) are both rectangular plates arranged in the front-to-back direction; the corresponding sides of the first bottom plate (11), the first basic body (12) and the exposed portion (13) are aligned; the corresponding sides of the second bottom plate (21), the second basic body (22) and the top plate (23) are flush; the first bottom plate (11) and the second bottom plate (21) are closely arranged and have the same height; the first basic body (12) and the second basic body (22) are closely arranged and have the same height; and the exposed portion (13) and the top plate (23) are closely arranged.

3. The double-jointed ring main unit foundation with cable well according to claim 2 is characterized in that: The first bottom plate (11) and the second bottom plate (21) are identical, and the first basic body (12) and the second basic body (22) are identical.

4. The double-jointed ring main unit foundation with cable well according to claim 1 is characterized in that: Two connecting holes (6) are arranged side by side on the first basic body (12) and the second basic body (22) adjacent to each other.

5. The double-jointed ring main unit foundation with cable well according to claim 4 is characterized in that: The inspection hole (3) is arranged in the middle of the top plate (23), the two connecting holes (6) are respectively located in front of and behind the inspection hole (3), and the inlet and outlet holes (7) are located in front of or behind the inspection hole (3).

6. The double-jointed ring main unit foundation with cable well according to claim 5 is characterized in that: The connecting hole (6) and the inlet and outlet wire holes (7) are both rectangular holes arranged in the front-to-back direction, and the length and width of the connecting hole (6) are both greater than or equal to 80 mm.

7. The double-jointed ring main unit foundation with cable well according to claim 1 is characterized in that: The locking structure (8) comprises a bolt (81), a nut (82), a long bolt installation notch (83) and a short nut installation notch (84); The long bolt installation notch (83) is vertically arranged and is arranged on the first basic body (12) or the second basic body (22). A through hole (85) for the bolt (81) to pass through is arranged between the corresponding end of the first basic body (12) or the second basic body (22) in the vertical direction, and the through hole (85) can be inserted into the bolt (81); the upper and lower parts of the first basic body (12) are both provided with the long bolt installation notch (83), and the upper and lower parts of the second basic body (22) are both provided with the long bolt installation notch (83); The short nut mounting notch (84) is arranged on the lower part of the outer wall of the exposed part (13), the first bottom plate (11), the second bottom plate (21) or the top plate (23), and is located directly below or directly above the long bolt mounting notch (83). A through hole (85) for the bolt (81) to pass through is arranged between the short nut mounting notch (84) and the upper end of the first bottom plate (11), the upper end of the second bottom plate (21), the lower end of the top plate (23) or the lower end of the exposed part (13) in the vertical direction, and can be used to receive the nut (82); The length of the long bolt installation notch (83) is greater than the length of the bolt (81), the distance between the side close to the corresponding short nut installation notch (84) and the side of the short nut installation notch (84) away from the long bolt installation notch (83) is greater than the length of the screw rod of the bolt (81), and the width is greater than the diameter of the head of the bolt (81); the width of the short nut installation notch (84) is greater than the diameter of the nut (82); When locking, the nut (82) is located in the short nut installation notch (84); the bolt (81) is inserted from the long bolt installation notch (83), with its head located at the end away from the corresponding short nut installation notch (84), and it passes through the through hole (85) upward or downward, and its upper end or lower end is in the short nut installation notch (84) and is locked by the nut (82).

8. The double-jointed ring main unit foundation with cable well according to claim 7 is characterized in that: The upper and lower parts of the first basic body (12) are respectively provided with a plurality of first upper long bolt installation notches and first lower long bolt installation notches, the upper and lower parts of the second basic body (22) are respectively provided with a plurality of second upper long bolt installation notches and second lower long bolt installation notches, the lower part of the exposed part (13) is provided with a plurality of first upper short nut installation notches, the side edge of the first bottom plate (11) is provided with a plurality of first lower short nut installation notches, the side edge of the top plate (23) is provided with a plurality of second upper short nut installation notches, and the side edge of the second bottom plate (21) is provided with a plurality of second lower short nut installation notches; The first upper long bolt mounting notch is located directly below the corresponding first upper short nut mounting notch, and a first upper bolt is arranged between the first upper short nut mounting notch and the first lower bolt is arranged between the first lower long bolt mounting notch and the first lower short nut mounting notch, the second upper long bolt mounting notch is located directly below the corresponding second upper short nut mounting notch, and a second upper bolt is arranged between the second upper short nut mounting notch and the second lower long bolt mounting notch is located directly above the corresponding second lower short nut mounting notch, and a second lower bolt is arranged between the second lower short nut mounting notch and the second lower short nut mounting notch; The upper sides of the first upper long bolt installation notch, the second upper long bolt installation notch, the first lower short nut installation notch and the second lower short nut installation notch are all provided with through holes (85), and the lower sides of the first lower long bolt installation notch, the second lower long bolt installation notch, the first upper short nut installation notch and the second upper short nut installation notch are all provided with through holes (85); The first upper bolt is arranged upward, with its head against the upper side of the first upper long bolt mounting notch, and its upper end is located in the first upper short nut mounting notch; the second upper bolt is arranged upward, with its head against the upper side of the second upper long bolt mounting notch, and its upper end is located in the second upper short nut mounting notch; the first lower bolt is arranged downward, with its head against the lower side of the first lower long bolt mounting notch, and its lower end is located in the first lower short nut mounting notch; the second lower bolt is arranged downward, with its head against the lower side of the second lower long bolt mounting notch, and its lower end is located in the second lower short nut mounting notch.

9. The double-jointed ring main unit foundation with cable well according to claim 8, characterized in that: The long bolt installation notch (83) and the short nut installation notch (84) are both vertically arranged rectangular notches; The upper sides of the first upper long bolt installation notch, the second upper long bolt installation notch, the first lower short nut installation notch and the second lower short nut installation notch are all horizontal edges, and the other three sides are all bevel edges; The lower sides of the first lower long bolt installation notch, the second lower long bolt installation notch, the first upper short nut installation notch and the second upper short nut installation notch are all horizontal edges, and the other three sides are all bevel edges; The hypotenuse is arranged obliquely from the outside to the inside toward the center of the rectangular notch.

10. The double-jointed ring main unit foundation with cable well according to claim 9, characterized in that: The specification of the bolt (81) is M16, and its length is 340 mm; the width of the long bolt installation gap (83) and the short nut installation gap (84) are the same and both are greater than 80 mm, the length of the long bolt installation gap (83) is greater than 340 mm, and the length of the short nut installation gap (84) is greater than 80 mm.

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