Substation prefabricated cabin foundation

Abstract

The utility model belongs to the technical field of transformer substation prefabricated cabins, and particularly relates to a transformer substation prefabricated cabin foundation which comprises a pair of I-shaped steel. A plurality of supporting rods are mounted at the bottom of the I-shaped steel; the I-shaped steel is connected with the supporting rods through adjusting bolts; the bottom of the supporting rod is connected with a prefabricated concrete block; a plurality of connecting grooves are formed in the middle of the prefabricated concrete block; foundation bolts are fixedly connected into the connecting grooves. The supporting rods are connected with the prefabricated concrete blocks through foundation bolts. By means of the structure, the prefabricated concrete blocks are arranged to connect the supporting rods and the I-shaped steel, the foundation can be directly installed at the site, the convenience of installation of the prefabricated cabin foundation is improved, the situation that the process is tedious and time is long due to the fact that site excavation, formwork erecting and pouring operation needs to be conducted in a traditional mode is reduced, and the construction efficiency is improved. Meanwhile, the foundation bolts and the connecting grooves are used in a matched mode, the height of the I-shaped steel can be adjusted to deal with the ground subsidence condition, and the applicability during use is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of prefabricated cabins for transformer substations, in particular to a prefabricated cabin foundation for transformer substations. Background Art

[0002] Prefabricated cabin substation is an advanced and intelligent substation facility. Compared with traditional substations that require on-site construction and wiring, prefabricated cabin substation has the characteristics of high integration, long life, space saving, simple and convenient installation, etc.

[0003] During the installation process of the existing prefabricated cabin-type substation, the cabin needs to be placed on the foundation. Usually, construction operations such as excavation, steel bar formwork, and concrete pouring are carried out on site, and then the cabin is placed on the constructed foundation. During long-term use and observation, it is found that the existing cabin foundation requires many processes and complex operations, resulting in long waiting times and easy settlement when backfilling, resulting in uneven foundation height.

[0004] To this end, the utility model provides a prefabricated cabin foundation for a transformer substation. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one problem raised in the background technology, a prefabricated cabin foundation for a substation is proposed.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a prefabricated cabin foundation of a substation described in the utility model includes a pair of I-beams; a plurality of support rods are installed at the bottom of the I-beams; the I-beams and the support rods are connected by adjusting bolts; a precast concrete block is connected to the bottom of the support rods; a plurality of connecting grooves are opened in the middle of the precast concrete block; anchor bolts are fixed in the connecting grooves; the support rods and the precast concrete blocks are connected by anchor bolts; through the above structure, precast concrete blocks are arranged to connect the support rods and the I-beams, and the foundation can be directly installed at the on-site location to improve the convenience of installation of the prefabricated cabin foundation, reduce the need for on-site excavation, formwork, and pouring operations in the traditional method, resulting in a more cumbersome process and a longer time. At the same time, by using anchor bolts and connecting grooves, the height of the I-beam can be adjusted to facilitate coping with ground subsidence, so as to improve the applicability during use.

[0007] Preferably, a plurality of first fixing plates are fixedly connected to the side walls of the I-beam; a screw is threadedly connected to the middle of the first fixing plate; a baffle is fixedly connected to the end of the screw; through the above structure, a first fixing plate is provided to connect the screw and the baffle, so that after the prefabricated cabin is placed in position, it can be clamped and fixed from both sides to improve the stability of the position of the prefabricated cabin, so as to reduce the shaking of the prefabricated cabin during use, which may cause the position to move and fall off the I-beam.

[0008] Preferably, a pair of I-beams are connected with a plurality of connecting plates; the connecting plates and the I-beams are in sliding fit; a support plate is fixedly connected to the top of the connecting plates; the top of the support plate is level with the top of the I-beam; through the above structure, connecting plates and support plates are provided to connect the gaps between the I-beams on both sides, increase the contact surface between the prefabricated cabin and the I-beams when placed, provide support from the bottom of the prefabricated cabin, and improve the stability of the position of the prefabricated cabin when placed.

[0009] Preferably, a pair of second fixing plates are fixedly connected to the side walls of the connecting plate; a plurality of damping springs are fixedly connected to the top of the second fixing plate; the top of the damping spring is higher than the top of the support plate; through the above structure, the second fixing plate and the damping spring are arranged, which can cushion the prefabricated cabin when it is placed on the top of the I-beam and the support plate, so as to reduce the damage caused by the strong impact force when the prefabricated cabin contacts the I-beam and the support plate.

[0010] Preferably, a pair of protective plates are fixedly connected to the side walls of the precast concrete block; the pair of protective plates are symmetrically arranged; the protective plates are arranged near the middle of the precast concrete block; through the above structure, after the precast concrete block is placed in the groove, the protective plates are arranged so as to support the ground to improve the stability of the precast concrete block when placed and reduce the settlement of the precast concrete block under the ground.

[0011] Preferably, a plurality of anchor rods are fixedly connected to the bottom of the protective plate; the plurality of anchor rods are evenly distributed at the bottom of the protective plate; the anchor rods are in a conical structure; through the above structure, anchor rods are provided to connect the protective plate, and the positions of the protective plate and the precast concrete block can be made more stable by inserting the anchor rods into the ground, thereby reducing the situation in which the position moves and causes skewness during use.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model discloses a prefabricated cabin foundation for a substation. By arranging prefabricated concrete blocks to connect support rods and I-beams, the foundation can be directly installed on-site, so as to improve the convenience of installation of the prefabricated cabin foundation and reduce the need for on-site excavation, formwork, and pouring operations in traditional methods, which results in a more cumbersome and time-consuming process. At the same time, by using anchor bolts and connecting grooves, the height of the I-beam can be adjusted to cope with ground subsidence, so as to improve applicability during use.

[0014] 2. The utility model describes a prefabricated cabin foundation for a substation. By setting a first fixing plate to connect the screw and the baffle, the prefabricated cabin can be clamped and fixed from both sides after it is placed in position, so as to improve the stability of the position of the prefabricated cabin and reduce the shaking of the prefabricated cabin during use, which may cause the prefabricated cabin to move and fall off the I-beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a stereogram in the utility model;

[0017] Figure 2 It is a schematic diagram of the matching structure of the support rod and the I-beam in the utility model;

[0018] Figure 3 It is a schematic diagram of the matching structure of the anchor bolt and the prefabricated concrete block in the utility model;

[0019] Figure 4 It is a schematic diagram of the matching structure of the damping spring and the rubber plate in the utility model;

[0020] Figure 5 It is a schematic diagram of the matching structure of the support plate and the I-beam in the utility model;

[0021] Legend:

[0022] 1. I-beam; 11. Support rod; 12. Adjusting bolt; 13. Precast concrete block; 14. Connecting groove; 15. Anchor bolt; 2. First fixing plate; 21. Screw; 22. Baffle; 3. Connecting plate; 31. Support plate; 4. Second fixing plate; 41. Damping spring; 5. Protective plate; 6. Anchor rod; 7. Rubber sheet. DETAILED DESCRIPTION

[0023] 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 of 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.

[0024] Specific examples are given below.

[0025] like Figures 1 to 3As shown, a prefabricated cabin foundation of a substation described in an embodiment of the utility model comprises a pair of I-beams 1; a plurality of support rods 11 are installed at the bottom of the I-beams 1; the I-beams 1 are connected to the support rods 11 by adjusting bolts 12; a precast concrete block 13 is connected to the bottom of the support rods 11; a plurality of connecting grooves 14 are opened in the middle of the precast concrete block 13; anchor bolts 15 are fixed in the connecting grooves 14; the support rods 11 and the precast concrete block 13 are connected by the anchor bolts 15; when working, a groove is dug on the ground according to the size of the precast concrete block 13, and then the precast concrete block 13 is placed in the dug groove so that the top of the precast concrete block 13 is higher than the ground, and the anchor bolts 15 and the precast concrete block 13 are connected together when the precast concrete block 13 is made. When the precast concrete block 13 is placed in the groove, the support rods 11 are fixed to the precast concrete block 13. The bottom is bolted and fixed with the anchor bolts 15, and the I-beam 1 and the support rod 11 are bolted and fixed by adjusting bolts 12. When all the connections are completed, the foundation installation is completed, and then the substation prefabricated cabin is placed on the top of the I-beam 1. When the ground sinks and causes tilting, the height of the I-beam 1 can be changed by rotating the adjusting anchor bolts 15 or the adjusting bolts 12 for correction. Through the above structure, a prefabricated concrete block 13 is set to connect the support rod 11 and the I-beam 1, and the foundation can be installed directly at the on-site location to improve the convenience of the installation of the prefabricated cabin foundation and reduce the need for on-site excavation, formwork, and pouring operations in the traditional method, which results in a more cumbersome and time-consuming process. At the same time, the anchor bolts 15 and the connecting grooves 14 are used in combination to adjust the height of the I-beam 1 to facilitate coping with ground sinking, so as to improve the applicability during use.

[0026] like Figure 1 As shown, a plurality of first fixing plates 2 are fixedly connected to the side wall of the I-beam 1; a screw rod 21 is threadedly connected to the middle part of the first fixing plate 2; a baffle plate 22 is fixedly connected to the end of the screw rod 21; during operation, after the prefabricated cabin is placed on the top of the I-beam 1, the ends of the screw rods 21 are respectively rotated to move toward the surface of the prefabricated cabin, and at this time, the baffle plate 22 can be driven to move toward the surface of the prefabricated cabin, and when the baffle plate 22 contacts the surface of the prefabricated cabin, it can be clamped and fixed from both sides of the prefabricated cabin. Through the above structure, a first fixing plate 2 is provided to connect the screw rods 21 and the baffle plate 22, and after the prefabricated cabin is placed in position, it can be clamped and fixed from both sides, so as to improve the stability of the position of the prefabricated cabin and reduce the shaking of the prefabricated cabin during use, which causes the position to move and fall off the I-beam 1.

[0027] like Figure 1 and Figure 5As shown, a pair of I-beams 1 are connected with a plurality of connecting plates 3; the connecting plates 3 and the I-beams 1 are in sliding fit; a supporting plate 31 is fixedly connected to the top of the connecting plate 3; the top of the supporting plate 31 is level with the top of the I-beam 1; during operation, before the I-beam 1 and the supporting rod 11 are fixed together by the adjusting bolts 12, the connecting plate 3 is passed through the gap between the I-beams 1 and slid to the position between the two sets of adjusting bolts 12 close to each other, and then the adjusting bolts 12 are connected to the I-beams 1 and the supporting rods 11, at this time, the connecting plate 3 and the supporting plate 31 at the top will be in a horizontal state with the I-beam 1, and can be supported from between the I-beams 1 on both sides when the prefabricated cabin is placed. Through the above structure, the connecting plate 3 and the supporting plate 31 are set, and the gap between the I-beams 1 on both sides can be connected, thereby increasing the contact surface between the prefabricated cabin and the I-beam 1 when placed, and supporting from the bottom of the prefabricated cabin, thereby improving the stability of the position of the prefabricated cabin when placed.

[0028] like Figure 4 As shown, a pair of second fixing plates 4 are fixedly connected to the side walls of the connecting plate 3; a plurality of damping springs 41 are fixedly connected to the top of the second fixing plate 4; the top of the damping spring 41 is higher than the top of the support plate 31; during operation, when the prefabricated cabin is placed on the top of the I-beam 1 and the support plate 31, the top of the damping spring 41 is higher than the top of the support plate 31 and the I-beam 1, and will first contact the prefabricated cabin, and when the prefabricated cabin moves toward the surface of the I-beam 1 and the support plate 31, the damping spring 41 will shrink, and the prefabricated cabin will be buffered during its movement. Through the above structure, the second fixing plate 4 and the damping spring 41 are set, and the prefabricated cabin can be buffered when it is placed on the top of the I-beam 1 and the support plate 31, so as to reduce the damage caused by the strong impact force when the prefabricated cabin contacts the I-beam 1 and the support plate 31.

[0029] like Figure 2 As shown, a pair of protective plates 5 are fixedly connected to the side wall of the precast concrete block 13; the pair of protective plates 5 are symmetrically arranged; the protective plates 5 are arranged near the middle of the precast concrete block 13; during operation, when the precast concrete block 13 is placed into the groove on the ground at the site, when the precast concrete block 13 contacts the bottom of the groove, the protective plates 5 on both sides will contact the ground, and at this time, the protective plates 5 can support the precast concrete block 13 on the ground. Through the above structure, the protective plates 5 can be arranged so that after the precast concrete block 13 is placed in the groove, the protective plates 5 are supported on the ground to improve the stability of the precast concrete block 13 when it is placed, and reduce the settlement of the precast concrete block 13 under the ground.

[0030] like Figure 2As shown, a plurality of anchor rods 6 are fixedly connected to the bottom of the protective plate 5; the plurality of anchor rods 6 are evenly distributed at the bottom of the protective plate 5; the anchor rods 6 are in a conical structure; during operation, after the precast concrete block 13 is placed in the groove, when the protective plate 5 contacts the ground for support, the plurality of anchor rods 6 under the protective plate 5 will be inserted into the ground. Through the above structure, the anchor rods 6 are arranged to connect the protective plate 5. By inserting the anchor rods 6 into the ground, the positions of the protective plate 5 and the precast concrete block 13 can be made more stable, thereby reducing the situation where the position moves and causes skewness during use.

[0031] like Figure 4 As shown, a rubber plate 7 is fixedly connected to the top of the damping spring 41; during operation, before the prefabricated cabin contacts the damping spring 41, the rubber plate 7 connected to the damping spring 41 will contact the prefabricated cabin. Through the above structure, the rubber plate 7 is arranged to connect the damping spring 41, which can reduce the wear caused by the contact and extrusion of the prefabricated cabin and the damping spring 41, play a protective role and improve the stability during use.

[0032] Working principle: When in use, a groove is dug on the ground according to the size of the precast concrete block 13, and then the precast concrete block 13 is placed in the dug groove so that the top of the precast concrete block 13 is higher than the ground. When making the precast concrete block 13, the anchor bolt 15 is connected to the precast concrete block 13. After the precast concrete block 13 is placed in the groove, the bottom of the support rod 11 is bolted and fixed with the anchor bolt 15, and the I-beam 1 and the support rod 11 are bolted and fixed by adjusting the bolt 12. When all the connections are completed, the foundation installation can be completed, and then the substation The prefabricated cabin is placed on the top of the I-beam 1. When the ground sinks and causes the cabin to tilt, the height of the I-beam 1 can be corrected by rotating the adjusting anchor bolts 15 or the adjusting bolts 12. After the prefabricated cabin is placed on the top of the I-beam 1, the ends of the screws 21 are respectively rotated to move toward the surface of the prefabricated cabin. At this time, the baffle 22 can be driven to move toward the surface of the prefabricated cabin. When the baffle 22 contacts the surface of the prefabricated cabin, it can be clamped and fixed from both sides of the prefabricated cabin. Before the I-beam 1 and the support rod 11 are fixed together by the adjusting bolts 12, the connecting plate 3 is Through the gap between the I-beams 1, slide to the position between the two sets of adjusting bolts 12 close to each other, and then connect the adjusting bolts 12 to the I-beams 1 and the support rods 11. At this time, the connecting plate 3 and the top support plate 31 will be in a horizontal state with the I-beams 1, and can be supported from between the I-beams 1 on both sides when the prefabricated cabin is placed. When the prefabricated cabin is placed on the top of the I-beams 1 and the support plates 31, the top of the damping spring 41 is higher than the top of the support plates 31 and the I-beams 1, and will first contact the prefabricated cabin. When the prefabricated cabin moves toward the surface of the I-beams 1 and the support plates 31, the damping spring 41 will 41 shrinks to cushion the precast cabin during its movement. When the precast concrete block 13 is placed into the groove on the ground on site, the protective plates 5 on both sides will contact the ground after the precast concrete block 13 contacts the bottom of the groove. At this time, the protective plates 5 can support the precast concrete block 13 on the ground. After the precast concrete block 13 is placed into the groove, when the protective plates 5 contact the ground for support, multiple anchor rods 6 under the protective plates 5 will be inserted into the ground. Before the precast cabin contacts the damping spring 41, the rubber plate 7 connected to the damping spring 41 will contact the precast cabin.

[0033] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A prefabricated substation cabin foundation, comprising a pair of I-beams (1); characterized in that: A plurality of support rods (11) are installed at the bottom of the I-beam (1); the I-beam (1) and the support rod (11) are connected via an adjusting bolt (12); a precast concrete block (13) is connected to the bottom of the support rod (11); a plurality of connection grooves (14) are provided in the middle of the precast concrete block (13); anchor bolts (15) are fixed in the connection grooves (14); the support rod (11) and the precast concrete block (13) are connected via the anchor bolts (15).

2. The prefabricated substation cabin foundation according to claim 1, characterized in that: A plurality of first fixing plates (2) are fixedly connected to the side wall of the I-beam (1); a screw rod (21) is threadedly connected to the middle of the first fixing plate (2); and a baffle plate (22) is fixedly connected to the end of the screw rod (21).

3. The prefabricated substation cabin foundation according to claim 2, characterized in that: A plurality of connecting plates (3) are connected between a pair of I-beams (1); the connecting plates (3) and the I-beams (1) are in sliding fit; a support plate (31) is fixedly connected to the top of the connecting plates (3); and the top of the support plate (31) is level with the top of the I-beam (1).

4. The prefabricated substation cabin foundation according to claim 3 is characterized by: A pair of second fixing plates (4) are fixedly connected to the side walls of the connecting plate (3); a plurality of damping springs (41) are fixedly connected to the top of the second fixing plate (4); and the top of the damping spring (41) is higher than the top of the supporting plate (31).

5. The prefabricated substation cabin foundation according to claim 4, characterized in that: A pair of protective plates (5) are fixedly connected to the side walls of the precast concrete block (13); the pair of protective plates (5) are symmetrically arranged; and the protective plates (5) are arranged close to the middle of the precast concrete block (13).

6. A prefabricated substation cabin foundation according to claim 5, characterized in that: A plurality of anchor rods (6) are fixedly connected to the bottom of the protective plate (5); the plurality of anchor rods (6) are evenly distributed at the bottom of the protective plate (5); and the anchor rods (6) are in a conical structure.

Images