Substation foundation and substation

Abstract

The utility model belongs to the technical field of power transmission and transformation, in particular to a transformer substation foundation and a transformer substation, which comprise a base and a foundation caisson, the base is formed by mutually inserting, connecting and fixedly assembling a plurality of strip-shaped foundation blocks and right-angle foundation blocks, the inner wall of each strip-shaped foundation block is provided with a sliding clamping groove, and the outer wall of the lower end of the periphery of the foundation caisson is provided with a sliding clamping block. A plurality of fixing counter bores are formed in the bottom in the foundation caisson, fastening anchor rods are pre-embedded in the fixing counter bores, and a reinforcing rib frame is arranged on the top of the foundation caisson through an installation boss. A sliding clamping block at the lower end of a foundation caisson slides into a sliding clamping groove to be connected with a base in a clamping mode; the foundation caisson is installed more stably and prevented from toppling over by drilling the fastening anchor rod into the ground; the base and the foundation caisson are matched with the reinforcing rib frame to obtain the transformer substation foundation with high structural strength; rapid positioning connection is achieved, the construction period is obviously shortened, and the construction efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of power transmission and transformation, and specifically relates to a transformer substation foundation and a transformer substation. Background Art

[0002] Substation foundations usually use independent strip foundations, which usually need to be constructed on site. The construction process includes foundation mold bonding, mold inspection, pouring, and concrete curing. The above foundation mold bonding takes about 7 days to complete, mold inspection takes about 2 days to complete, pouring takes about 2 days to complete, and concrete curing takes about 28 days to complete. It usually takes about 40 days to cast a foundation on site, which has a long construction period, low work efficiency, and high cost. In addition, outdoor construction on site also has requirements for the construction environment, and it is difficult to improve the construction accuracy.

[0003] Therefore, it is necessary to propose a substation foundation for on-site construction. Summary of the invention

[0004] To solve the problems raised in the above background technology. The utility model provides a substation foundation and a substation, wherein the two ends of the strip foundation block and the right-angle foundation block are assembled into a base by inserting the positioning plug-in blocks into the positioning plug-in slots, and then the sliding block at the lower end of the foundation caisson is slid into the sliding plug-in slot and clamped and connected with the base; finally, the fastening anchor rods at the bottom of the foundation caisson are drilled into the ground, so that the installation of the foundation caisson is more stable, anti-dumping, and high in strength; the substation foundation with high structural strength is obtained by using the base, the foundation caisson and the reinforcement frame; rapid positioning and connection are realized, the construction period is significantly shortened, and the construction work efficiency is greatly improved; no pouring and welding are required for on-site construction and installation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a substation foundation, including a base and a foundation caisson, the base is composed of a plurality of strip foundation blocks and right-angle foundation blocks that are plugged and fixed to each other, a sliding slot is provided on the inner wall of the strip foundation block, and a sliding block is provided on the outer wall of the lower end of the foundation caisson, and the sliding block slides into the sliding slot and is fixedly connected with the base, a plurality of fixed countersunk holes are provided at the bottom of the foundation caisson, fastening anchor rods are pre-embedded in the fixed countersunk holes, two cable laying grooves are provided inside the foundation caisson, a protective cover plate is provided on the cable laying groove, and a reinforcing rib frame is provided on the top of the foundation caisson through an installation boss.

[0006] As a preferred solution, the strip foundation block and the right-angle foundation block are provided with positioning rods at the bottom, a positioning plug-in block is provided at one end of the strip foundation block, and a positioning plug-in groove is provided at the other end of the strip foundation block. Two adjacent strip foundation blocks are plugged into each other through the positioning plug-in block and the positioning plug-in groove, and positioning plug-in blocks and positioning plug-in grooves are respectively provided at both ends of the right-angle foundation block, and the right-angle foundation block is plugged into each other with the strip foundation block through the positioning plug-in block and the positioning plug-in groove.

[0007] As a preferred solution, the strip foundation blocks and the right-angle foundation blocks are provided with support platforms, which are supported on the bottom of the foundation caisson.

[0008] As a preferred solution, threaded holes for mutual fastening are provided on both sides of the positioning insertion slot and the positioning insertion block, and fastening screws are threadedly connected through the threaded holes.

[0009] As a preferred solution, the cable laying trough is a circular structure, and rubber pads are bonded to the inner walls of the cable laying trough and the protective cover plate.

[0010] As a preferred solution, a prefabricated steel plate is laid on the reinforcing rib frame.

[0011] As a preferred solution, a substation is provided, wherein the substation is installed on a reinforced rib frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The two ends of the strip foundation block and the right-angle foundation block of the utility model are inserted into the positioning plug-in grooves through the positioning plug-in blocks and fastened and connected with the fastening screws to form a base, and the positioning plug-in rods at the bottom of the base are inserted into the soil layer at the installation position for fixing; then the sliding blocks on the four sides of the lower end of the foundation caisson are slid into the sliding plug-in grooves and are clamped and connected with the base; finally, the fastening anchor rods at the bottom of the foundation caisson are drilled into the ground, so that the installation of the foundation caisson is more stable, anti-dumping, and high in strength; it is conducive to the rapid connection and positioning of the foundation unit, the construction period is significantly shortened, and the construction work efficiency is greatly improved; the base, the foundation caisson and the reinforcement frame are used to obtain a substation foundation with high structural strength, so that it can stably support the installation of the substation, and no pouring and welding are required for on-site construction and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall disassembly and assembly structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the assembly structure of the base in the utility model;

[0016] Figure 3 It is a schematic diagram of the assembly structure of the foundation caisson and the reinforcement frame in the utility model;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the basic caisson in the utility model;

[0018] Figure 5 It is a schematic diagram of the top view structure of the basic caisson in the utility model;

[0019] Figure 6 It is a schematic diagram of the isometric cross-sectional structure of the longitudinal section of the foundation caisson in the utility model.

[0020] Description of Figure Numbers:

[0021] 1. Base; 11. Strip foundation block; 12. Sliding slot; 13. Positioning plug rod; 14. Positioning plug slot; 15. Positioning plug block; 16. Threaded hole; 17. Support platform; 18. Right-angle foundation block;

[0022] 2. Basic caisson; 21. Sliding block; 22. Cable laying groove; 23. Fastening anchor rod; 24. Protective cover plate; 25. Fixed countersunk hole; 26. Mounting boss;

[0023] 3. Reinforced rib frame; 4. Substation. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1

[0026] See also Figure 1-6 The utility model provides the following technical solutions: a substation foundation, including a base 1 and a foundation caisson 2, wherein the base 1 is assembled by plugging and fixing a plurality of strip foundation blocks 11 and right-angle foundation blocks 18, a sliding card slot 12 is provided on the inner wall of the strip foundation block 11, a sliding card block 21 is provided on the outer wall of the lower end of the foundation caisson 2, and the sliding card block 21 slides into the sliding card slot 12 and is fixedly connected with the base 1, a plurality of fixed countersunk holes 25 are provided at the bottom of the foundation caisson 2, a fastening anchor rod 23 is pre-embedded in the fixed countersunk hole 25, two cable laying grooves 22 are provided inside the foundation caisson 2, a protective cover plate 24 is provided on the cable laying groove 22, and a reinforcement is provided on the top of the foundation caisson 2 through an installation boss 26 Reinforced rib frame 3; in this embodiment, the sliding blocks 21 on the lower end of the foundation caisson 2 are aligned with the sliding grooves 12 on the inner wall of the strip foundation block 11, and are slid downward and inserted to clamp, so that the foundation caisson 2 is placed on the support platform 17 of the base 1, and the four sides are clamped and connected to each other around the inner side of the base 1; then, by using tools, the fastening anchor rods 23 in the bottom fixed countersunk holes 25 in the foundation caisson 2 are drilled into the ground, so that the installation of the foundation caisson 2 is more stable, anti-dumping, and high in strength. The strength of the base 1 and the foundation caisson 2 is improved by cooperating with the reinforced rib frame 3, and a substation foundation with high structural strength is obtained; it is conducive to the rapid connection and positioning of the basic unit, the construction period is significantly shortened, and the construction work efficiency is greatly improved.

[0027] In this embodiment, the strip foundation block 11 and the right-angle foundation block 18 are provided with a positioning plug rod 13 at the bottom, a positioning plug block 15 is provided at one end of the strip foundation block 11, and a positioning plug slot 14 is provided at the other end of the strip foundation block 11. The two adjacent strip foundation blocks 11 are plugged into each other through the positioning plug block 15 and the positioning plug slot 14. The two ends of the right-angle foundation block 18 are respectively provided with a positioning plug block 15 and a positioning plug slot 14. The right-angle foundation block 18 is plugged into each other with the strip foundation block 11 through the positioning plug block 15 and the positioning plug slot 14; the positioning plug slot 14 and the positioning plug block 15 are connected to each other. A threaded hole 16 for mutual fastening is opened on the side, and a fastening screw is threadedly connected through the threaded hole 16; the two ends of the strip foundation block 11 and the right-angle foundation block 18 are inserted into the positioning plug-in groove 14 through the positioning plug-in block 15 and plugged into each other, and then the adjacent strip foundation blocks 11 and the right-angle foundation blocks 18 are fastened and connected through the threaded hole 16 with a fastening screw, so as to be assembled into an integral body to form a base 1, and the positioning plug rod 13 at the bottom of the base 1 is inserted into the soil layer of the substation foundation installation position for fixing; it is conducive to the rapid connection and positioning of the basic unit, the construction period is significantly shortened, and the construction work efficiency is greatly improved.

[0028] In this embodiment, a support platform 17 is provided on the strip foundation block 11 and the right-angle foundation block 18 , and the support platform 17 is supported on the bottom of the foundation caisson 2 .

[0029] In this embodiment, the cable laying groove 22 is a circular structure, and rubber pads are bonded to the inner walls of the cable laying groove 22 and the protective cover plate 24; the structure is anti-slip, wear-resistant, anti-static, and reasonably designed.

[0030] In this embodiment, the reinforcing rib frame 3 is paved with prefabricated steel plates, which are easy to install and lay, and are sturdy and durable.

[0031] The working principle and use process of the utility model: When the utility model is in use, the staff will insert the two ends of the modular strip foundation block 11 and the right-angle foundation block 18 that can be mass-produced into the positioning plug-in block 15 into the positioning plug-in groove 14 and plug them into each other, and then use the fastening screws to fasten the adjacent strip foundation blocks 11 and the right-angle foundation blocks 18 through the threaded holes 16, so as to assemble them into one body to form the base 1, and insert the positioning plug rod 13 at the bottom of the base 1 into the soil layer of the substation foundation installation position for fixing; then align the sliding block 21 on the four sides of the lower end of the foundation caisson 2 with the sliding card groove 12 on the inner wall of the strip foundation block 11, slide it downward, insert it and clamp it, so that the foundation caisson 2 is placed on the support platform 17 of the base 1, and the four sides are clamped and connected to each other with the four sides of the inner side of the base 1; it is conducive to the rapid connection and positioning of the basic unit, the construction period is significantly shortened, and the construction work efficiency is greatly improved; no pouring and welding are required for on-site construction and installation.

[0032] Then, by using tools, the fastening anchor rods 23 in the bottom fixed countersunk holes 25 of the foundation caisson 2 are drilled into the ground, so that the installation of the foundation caisson 2 is more stable, anti-tilting, and high in strength. The strength is improved by using the base 1 and the foundation caisson 2 in conjunction with the reinforcement frame 3, and a substation foundation with high structural strength is obtained, which can stably support the substation 4.

[0033] Two cable laying grooves 22 are arranged inside the foundation caisson 2, which facilitate the laying and connection of multiple cables during the use of the substation, and bring convenience to the later operation of the power workers.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A substation foundation, characterized in that: The invention comprises a base (1) and a foundation caisson (2), wherein the base (1) is assembled by plugging and fixing a plurality of strip foundation blocks (11) and right-angle foundation blocks (18) together, the inner wall of the strip foundation block (11) is provided with a sliding card slot (12), the outer wall of the lower end of the foundation caisson (2) is provided with a sliding card block (21), and the sliding card block (21) slides into the sliding card slot (12) to be fixedly connected with the base (1), the bottom of the foundation caisson (2) is provided with a plurality of fixed countersunk holes (25), and fastening anchor rods (23) are pre-buried in the fixed countersunk holes (25), two cable laying grooves (22) are provided inside the foundation caisson (2), and a protective cover plate (24) is provided on the cable laying groove (22), and a reinforcing rib frame (3) is provided on the top of the foundation caisson (2) through a mounting boss (26).

2. The substation foundation according to claim 1, characterized in that: The strip foundation block (11) and the right-angle foundation block (18) are provided with a positioning plug rod (13) at the bottom, a positioning plug block (15) is provided at one end of the strip foundation block (11), and a positioning plug groove (14) is provided at the other end of the strip foundation block (11); two adjacent strip foundation blocks (11) are plugged into each other via the positioning plug block (15) and the positioning plug groove (14); the right-angle foundation block (18) is provided with a positioning plug block (15) and a positioning plug groove (14) at both ends; the right-angle foundation block (18) is plugged into each other with the strip foundation block (11) via the positioning plug block (15) and the positioning plug groove (14).

3. The substation foundation according to claim 2, characterized in that: The strip-shaped foundation block (11) and the right-angle foundation block (18) are provided with a support platform (17), and the support platform (17) is supported on the bottom of the four sides of the foundation caisson (2).

4. The substation foundation according to claim 2, characterized in that: Threaded holes (16) for mutual fastening are provided on both sides of the positioning insertion groove (14) and the positioning insertion block (15), and fastening screws are threadedly connected through the threaded holes (16).

5. The substation foundation according to claim 1, characterized in that: The cable laying groove (22) is a circular structure, and rubber pads are bonded to the inner walls of the cable laying groove (22) and the protective cover plate (24).

6. The substation foundation according to claim 1, characterized in that: A prefabricated steel plate is laid on the reinforcing rib frame (3).

7. A substation, characterized in that: It comprises the substation foundation as described in any one of claims 1 to 6, wherein the substation (4) is installed on a reinforcement frame (3).

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