CN206015715U - A kind of combination type foundation for transforming plant main transformer and fire wall - Google Patents

Abstract

This utility model is related to a kind of combination type foundation for transforming plant main transformer and fire wall, solves the main transformer equipment Foundations defect separate with fire prevention foundation of wall compared with prior art.Crossbeam and longeron are installed on thin plate of the present utility model, the quantity of crossbeam and longeron is several, crossbeam is with longeron arranged crosswise on thin plate, fire prevention foundation of wall is installed above the longeron that the leftmost side is located on thin plate and is mounted on foundation of wall of preventing fires from above the longeron that the longeron of the leftmost side starts at interval of 13 meters, You Bi ponds are equipped between two adjacent fire prevention foundations of wall, You Bi ponds are spliced into rectangular configuration and are constituted by two horizontal edge walls and two longitudinal edge walls, two horizontal edge walls are separately mounted on two crossbeams, two longitudinal edge walls are separately mounted on two longerons, it is located on the crossbeam in You Bi ponds and several main transformer foundation built-in fittings is installed.This utility model optimizes thin plate basis stress, reduces foundation settlement, improves stability of foundation.

Description

A kind of combination type foundation for transforming plant main transformer and fire wall

Technical field

This utility model is related to transformer substation foundation technical field, and specifically one kind is for transforming plant main transformer and fire wall Combination type foundation.

Background technology

Transforming plant main transformer equipment Foundations have higher requirement to foundation bearing capacity and equipment sedimentation and deformation, such as run into geology feelings Usually need to carry out when condition is poor basement process or increase key dimension and buried, cause equipment Foundations arrangement collision, at ground Reason and foundation engineering amount cost higher, delay the duration, manpower and materials input larger.

In present transformer station, two side periphery of main transformer equipment need to arrange fire wall.Wherein main transformer foundation adopts pier formula coagulation Earth foundation, fire prevention foundation of wall is using reinforced concrete strip foundation or isolated footing.Conventional main transformer foundation pattern is individually examined mostly Consider main transformer equipment load, not by the fire wall of main transformer periphery in conjunction with consideration, fire wall is not accounted for as main transformer foundation rigidity Reduction of the fulcrum to basic moment of flexure, causes basic comprehensive investment larger.As main transformer equipment is to foundation settlement and smooth requirement Higher, run into geological condition poor when usually need to carry out basement process or increase key dimension and buried.Fire prevention foundation of wall Closer to the distance with main transformer foundation, often the two basic foundation process part is easily intersected and is collided.

Though it is the existing idea for having portion of techniques to propose commbined foundations, such as Patent No. CN201020633053, entitled The patent document of box-like foundation base；For another example Patent No. CN201220737993, the framework compression column in entitled transformer station with The patent document of the commbined foundations of enclosure wall, but which can not apply the base support with main transformer equipment and fire wall.

How main transformer equipment Foundations and fire wall basic comprehensive to be considered, design a kind of commbined foundations and have become urgent need The technical problem of solution.

Utility model content

The purpose of this utility model is separate with fire prevention foundation of wall in order to solve main transformer equipment Foundations in prior art Defect, there is provided a kind of combination type foundation for transforming plant main transformer and fire wall is solving the above problems.

To achieve these goals, the technical solution of the utility model is as follows：

A kind of combination type foundation for transforming plant main transformer and fire wall, including thin plate, is provided with crossbeam and vertical on thin plate The quantity of beam, crossbeam and longeron is several, and crossbeam is located at the vertical of the leftmost side with longeron arranged crosswise on thin plate on thin plate Fire prevention foundation of wall is installed above beam and fire wall is mounted on from above the longeron that the longeron of the leftmost side starts at interval of 13 meters Basis, is equipped with You Bi ponds between two adjacent fire prevention foundations of wall, You Bi ponds are by two horizontal edge walls and two longitudinal edge wall splicings Rectangular structure composition, two horizontal edge walls are separately mounted on two crossbeams, and two longitudinal edge walls are separately mounted on two longerons, It is located on the crossbeam in You Bi ponds and several main transformer foundation built-in fittings is installed.

The horizontal edge wall in the You Bi ponds is a length of 8 meters, and the longitudinal edge wall in You Bi ponds is a length of 12 meters.

Described thin plate, You Bichi, crossbeam and longeron are reinforced concrete structure.

Beneficial effect

A kind of combination type foundation for transforming plant main transformer and fire wall of the present utility model, compared with prior art fully Using the vacant place Extended chemotherapy area between main transformer equipment and fire wall, by the use of armored concrete longitudinal and cross beam as firm Body reduces sole plate moment of flexure, optimizes thin plate basis stress, reduces foundation settlement, improve stability of foundation.It is applied to Main transformer of transformer substation and fire wall combined layout form, embedded depth of foundation are shallower, can meet main transformer equipment load and fire wall Stress demand, while base concrete consumption and foundation treatment engineering amount can be greatly reduced.

Description of the drawings

Fig. 1 is top view of the present utility model；

Wherein, 1- thin plates, 2- crossbeams, 3- fire prevention foundations of wall, 4- You Bi ponds, 5- main transformer foundation built-in fittings, 6- longerons, 7- are horizontal Side wall, 8- longitudinal edge walls.

Specific embodiment

For making to have a better understanding and awareness architectural feature of the present utility model and the effect that is reached, in order to compared with Good embodiment and accompanying drawing coordinate detailed description, are described as follows：

As shown in figure 1, a kind of combination type foundation for transforming plant main transformer and fire wall described in the utility model, including The distance of thin plate 1, brace foundation of the thin plate 1 for the bottom, its area covering main transformer equipment and fire wall needs.Pacify on thin plate 1 Quantity equipped with crossbeam 2 and longeron 6, crossbeam 2 and longeron 6 is several, in this thin plate 1, You Bi ponds 4, crossbeam 2 and longeron 6 Reinforced concrete structure is, is completed by the order in first construction thin plate 1, construct again crossbeam 2 and longeron 6, You Bi ponds 4 of constructing again Install and build.The purpose of crossbeam 2 and longeron 6 forms convex configuration, the gap between crossbeam 2 and longeron 6 on the basis of thin plate 1 Then it is used for oil extraction or places interlock circuit line.Another effect of crossbeam 2 and longeron 6 is which is arranged on thin plate 1, play plus The effect of strong muscle, increases the reliability and toughness of thin plate 1, therefore crossbeam 2 with 6 arranged crosswise of longeron on thin plate 1, to improve base Plinth integral rigidity.Being actually needed according to transformer station such as specific arrangement interval, distance on thin plate 1 with longeron 6 of crossbeam 2 To design, if as shown in figure 1, being provided with 3 main transformer equipment in transformer station, the quantity of longeron 6 then needs design than crossbeam 2 Many.In the same manner, due to the size in You Bi ponds 4 be the spacing distances between 8m*12m, adjacent two fire prevention foundations of wall 3 be 13 meters, Therefore the combined crosswise design of crossbeam 2 and longeron 6 only need to meet these numerical requirements.

Fire prevention foundation of wall 3 is installed above the longeron 6 that the leftmost side is located on thin plate 1, and equally, fire prevention foundation of wall 3 can be straight Concrete pouring construction is connect on longeron 6.From above the longeron 6 that the longeron 6 of the leftmost side starts at interval of 13 meters it is mounted on preventing Wall with flues basis 3, it is to meet the dimensional requirement that main transformer designs fire wall to be spaced 13 meters.Between two adjacent fire prevention foundations of wall 3 You Bi ponds 4 are provided with, the quantity in You Bi ponds 4 can also be multiple, and You Bi ponds 4 are used for main transformer equipment.You Bi ponds 4 are then tradition Structure design, is spliced into rectangular configuration and is constituted by two horizontal edge walls 7 and two longitudinal edge walls 8, and two horizontal edge walls 7 are separately mounted to two On individual crossbeam 2, i.e., on a crossbeam 2, another horizontal edge wall 7 is then on a crossbeam 2 for one horizontal edge wall 7.Two Individual longitudinal edge wall 8 is separately mounted on two longerons 6, and a same longitudinal edge wall 8 is arranged on a longeron 6, another longitudinal edge wall 8 On another longeron 6.Designed according to the conventional size in You Bi ponds 4,7 a length of 8 meters of the horizontal edge wall in You Bi ponds 4, You Bi ponds 4 8 a length of 12 meters of longitudinal edge wall, formed a 8m*12m standard oil wall pond 4.If being provided with the crossbeam 2 being located in You Bi ponds 4 Dry main transformer foundation built-in fitting 5, main transformer foundation built-in fitting 5 are used for installing main transformer equipment.So as to pass through this commbined foundations, will fire prevention The effective and reasonable planning arrangement of foundation of wall 3, You Bi ponds 4 and main transformer foundation built-in fitting 5.

In practice of construction, excavation of foundation pit is carried out according to drawing first, excavating will be smooth for substrate good, carries out base thereon again Plinth bed course.Again plate and beam steel bar colligation are thrown in and is finished, a good template pours thin plate 1 first, carries out treatment of construction joints, then apply Work crossbeam 2 and longeron 6.Fire prevention foundation of wall 3 and oil sump wall 4 are constructed in the corresponding position of crossbeam 2 or longeron 6, it is achieved that One component multipurpose.It is finally that 2 upper surface of crossbeam in relevant position is pre-buried by main transformer foundation built-in fitting 5, to realize top master Become the connection installation with basis.

This utility model fully takes into account main transformer and fire wall arrangement is relatively near, is to reduce equipment Foundations quantities and ground Base processes construction costs, using the shallower commbined foundations of buried depth.Concrete thin plates considerably increase substrate lifting surface area, and substrate is received Power area is larger, stress is less, can accomplish shallow embedding, and strengthen soil rigidity using joint waffle-slab raft stress system, Save concrete amount.By combining main transformer and fire prevention foundation of wall, arrange in conjunction with main transformer and fire wall stress, the basic center of gravity of adjustment With equipment, the coupling of fire wall center of gravity, expanded substrate lifting surface area shallow foundation, while reducing basement process and reducing basis Quantities.

Ultimate principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description Simply principle of the present utility model, on the premise of without departing from this utility model spirit and scope, this utility model also has respectively Changes and improvements are planted, these changes and improvements are both fallen within the range of claimed this utility model.This utility model is required Protection domain defined by appending claims and its equivalent.

Claims (3)

1. a kind of combination type foundation for transforming plant main transformer and fire wall, it is characterised in that：Including thin plate（1）, thin plate（1）On Crossbeam is installed（2）And longeron（6）, crossbeam（2）And longeron（6）Quantity be several, crossbeam（2）With longeron（6）Intersect It is arranged in thin plate（1）On, thin plate（1）The upper longeron for being located at the leftmost side（6）Top is provided with fire prevention foundation of wall（3）And from the leftmost side Longeron（6）Start the longeron at interval of 13 meters（6）Top is mounted on foundation of wall of preventing fires（3）, adjacent two fire prevention wall bases Plinth（3）Between be equipped with You Bi ponds（4）, You Bi ponds（4）By two horizontal edge walls（7）With two longitudinal edge walls（8）Splice rectangular knot Structure is constituted, two horizontal edge walls（7）It is separately mounted to two crossbeams（2）On, two longitudinal edge walls（8）It is separately mounted to two longerons （6）On, positioned at You Bi ponds（4）Interior crossbeam（2）On several main transformer foundation built-in fittings are installed（5）.

2. a kind of combination type foundation for transforming plant main transformer and fire wall according to claim 1, it is characterised in that：Institute State You Bi ponds（4）Horizontal edge wall（7）A length of 8 meters, You Bi ponds（4）Longitudinal edge wall（8）A length of 12 meters.

3. a kind of combination type foundation for transforming plant main transformer and fire wall according to claim 1, it is characterised in that：Institute The thin plate that states（1）, You Bi ponds（4）, crossbeam（2）And longeron（6）It is reinforced concrete structure.