Connecting joint of prefabricated floor slab and foundation slab of transformer substation

Abstract

The utility model discloses a connecting node of a prefabricated floor slab and a foundation slab of a transformer substation, which comprises the foundation slab, the prefabricated floor slab arranged on the foundation slab, a plurality of first reinforcing rib components arranged between the foundation slab and the prefabricated floor slab at intervals, and a plurality of water stop steel plates arranged between the foundation slab and the prefabricated floor slab at intervals, the foundation slab comprises a main body section and a guide mounting section arranged on the main body section and used for supporting the prefabricated floor slab, the width of the main body section is larger than that of the guide mounting section, and the water stop steel plate is arranged between the guide mounting section and the prefabricated floor slab; by limiting the structure of the foundation slab and arranging the guide mounting section used for supporting the prefabricated floor slab, the pre-positioning effect on mounting of the prefabricated floor slab is achieved, and the assembling efficiency of the prefabricated floor slab is effectively improved; meanwhile, the multiple first reinforcing rib assemblies are arranged between the prefabricated floor slab and the foundation slab, and the strength of the joint of the prefabricated floor slab and the foundation slab is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to substation assembly building technical field, concretely relates to a kind of connecting nodes of prefabricated floor and foundation bottom plate of substation. BACKGROUND

[0002] Substation modular construction has become the mainstream of infrastructure project design, unified design depth and construction standard, improve construction efficiency, reduce construction cost. Prefabricated reinforced concrete floor is prefabricated floor in factory or site, then hoist to specified position by artificial or mechanical and form by grouting and caulking. When prefabricated floor is connected with foundation bottom plate in assembly substation, a part of reinforcement is pre-buried in foundation bottom plate, then prefabricated floor is hoisted to foundation bottom plate, pre-buried reinforcement is inserted into prefabricated floor, and concrete is poured on prefabricated floor to realize connection. Since the upper end area of foundation bottom plate is large, when prefabricated floor is assembled, installation position cannot be determined on foundation bottom plate quickly, and the strength of connecting portion is not enough, which needs to be improved urgently. SUMMARY

[0003] The utility model aims at overcoming the shortcomings of prior art, and provides a kind of connecting nodes of prefabricated floor and foundation bottom plate of substation.

[0004] The utility model adopts the following technical scheme:

[0005] A kind of connecting nodes of prefabricated floor and foundation bottom plate of substation, including foundation bottom plate, prefabricated floor being set on foundation bottom plate, multiple first reinforcing rib assemblies being spaced apart and being set between foundation bottom plate and prefabricated floor and multiple water-stop steel plates being spaced apart and being set between foundation bottom plate and prefabricated floor, the foundation bottom plate includes main body section and the guide installation section for supporting prefabricated floor being set on main body section, the width of main body section is greater than the width of guide installation section, the water-stop steel plate is set between guide installation section and prefabricated floor.

[0006] Preferably, the prefabricated floor includes two prefabricated wallboards oppositely arranged, multiple connecting trusses spaced apart between the two prefabricated wallboards, multiple slab reinforcements for connecting the multiple connecting trusses, and a beam body formed by pouring between the prefabricated wallboards.

[0007] Preferably, the connecting truss includes two first connecting longitudinal reinforcements spaced apart in one of the prefabricated wallboards, a second connecting longitudinal reinforcement arranged in the other prefabricated wallboard, and two support main reinforcements connected to the second connecting longitudinal reinforcement on both sides of the two first connecting longitudinal reinforcements, respectively, one end of the two support main reinforcements and the second connecting longitudinal reinforcement is arranged at an angle, the slab reinforcement is pre-buried in the prefabricated wallboard and connected between the multiple first connecting longitudinal reinforcements or the second connecting longitudinal reinforcement.

[0008] Preferably, the first reinforcing rib assembly comprises two first reinforcing ribs arranged oppositely left and right, and the first reinforcing ribs extend upward from the main body section into the beam body.

[0009] Preferably, the first reinforcing rib comprises a first support section arranged horizontally in the main body section, a first extension section connected perpendicularly with the first support section and extending upward into the beam body, and a first inclined section with one end connected with the upper end of the first extension section and the other end extending obliquely downward.

[0010] Preferably, the utility model further comprises a plurality of first connecting ribs for connecting a plurality of first reinforcing rib assemblies, and the first connecting ribs are connected between a plurality of first extension sections arranged at the same side or a plurality of first support sections.

[0011] Preferably, the utility model further comprises a plurality of second reinforcing rib assemblies arranged at intervals between the main body section and the guide mounting section, and the second reinforcing rib assembly comprises two second reinforcing ribs arranged oppositely left and right, and the second reinforcing ribs extend upward from the main body section into the guide mounting section.

[0012] Preferably, the second reinforcing rib comprises a second extension section extending upward from the main body section into the guide mounting section, a horizontal section arranged perpendicularly with the upper end of the second extension section and extending inward, and a vertical section connected with one end of the horizontal section and extending perpendicularly downward.

[0013] Preferably, the vertical section is arranged at one side of the first extension section and can be connected with the first connecting rib located in the guide mounting section, and the vertical section and the first extension section are arranged at opposite sides of the first connecting rib, respectively.

[0014] Preferably, the utility model further comprises a plurality of second connecting ribs for connecting a plurality of second reinforcing rib assemblies, and the second connecting ribs are located in the guide mounting section and connected with a plurality of second extension sections arranged at intervals at the same side.

[0015] As known from the above description of the utility model, compared with the prior art, the utility model has the beneficial effects that: by limiting the structure of the base plate, the guide mounting section for supporting the prefabricated floor slab is arranged, the prefabricated floor slab is pre-positioned during installation, and the assembly efficiency of the prefabricated floor slab is effectively improved; meanwhile, a plurality of first reinforcing rib assemblies are arranged between the prefabricated floor slab and the base plate, the strength of the connection between the prefabricated floor slab and the base plate is improved, a plurality of water stop steel plates are arranged between the guide mounting section and the prefabricated floor slab, water penetration is effectively prevented, and the safety and stability of the connection between the prefabricated floor slab and the base plate are ensured; in addition, a plurality of second reinforcing rib assemblies are arranged between the main body section and the guide mounting section, the connection strength between the guide mounting section and the main body section is improved, and the supporting force of the guide mounting section on the prefabricated floor slab is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the connection node.

[0017] Fig. 2 Part structure diagram of connecting node;

[0018] In the figure, 1-base bottom plate, 2-precast floor slab, 3-first reinforcing bar, 4-water stop steel plate, 5-second reinforcing bar, 6-first connecting bar, 7-second connecting bar, 11-main body section, 12-guiding installation section, 21-precast wallboard, 22-connecting truss, 221-first connecting longitudinal bar, 222-second connecting longitudinal bar, 223-supporting main bar, 23-plate bar, 24-beam body, 31-first supporting section, 32-first extending section, 33-first inclined section, 51-second extending section, 52-horizontal section, 53-vertical section. DETAILED DESCRIPTION

[0019] The utility model will be further described below through specific embodiments.

[0020] Reference Figs. 1-2 The utility model relates to a substation precast floor slab and base bottom plate connecting node, including base bottom plate 1, set up precast floor slab 2 on base bottom plate 2, a plurality of first reinforcing bar assemblies are set up between base bottom plate 1 and precast floor slab 2, a plurality of water stop steel plates 4 are set up between base bottom plate 1 and precast floor slab 2, a plurality of second reinforcing bar assemblies are set up in base bottom plate 1, a plurality of first connecting bars 6 for connecting a plurality of first reinforcing bar assemblies and a plurality of second connecting bars 7 for connecting a plurality of second reinforcing bar assemblies.

[0021] Base bottom plate 1 includes main body section 11 and guiding installation section 12 for supporting precast floor slab 2 set up on main body section 11, wherein the width of main body section 11 is greater than the width of guiding installation section 12, the width of precast floor slab 2 is adapted to the width of guiding installation section 12, water stop steel plate 4 is set up between guiding installation section 12 and precast floor slab 2, by limiting the structure of base bottom plate 1, a certain supporting base is provided for the installation of precast floor slab 2, and the setting of guiding installation section 12 can have the effect of pre-positioning on the installation of precast floor slab 2, improve the assembly efficiency of precast floor slab 2.

[0022] The prefabricated floor 2 comprises two oppositely arranged prefabricated wall panels 21, a plurality of connecting trusses 22 arranged at intervals between the two prefabricated wall panels 21, a plurality of slab bars 3 for connecting the plurality of connecting trusses 22, and a beam body 24 formed by pouring between the prefabricated wall panels 21, wherein the two ends of the connecting truss 22 are respectively embedded in the opposite prefabricated wall panels 21, and the waterproof steel plate 4 is embedded between the guide installation section 12 and the beam body 24; by limiting the structure of the prefabricated floor 2, the frame of the prefabricated floor 2 is preformed by the two prefabricated wall panels 21 and the plurality of connecting trusses 22 and the plurality of slab bars 23, and the beam body 24 can be formed by pouring on site after the prefabricated floor 2 is assembled, so as to reduce the overall weight of the prefabricated floor 2 during transportation, thereby reducing the transportation difficulty and hoisting assembly difficulty.

[0023] The connecting truss 22 comprises two first connecting longitudinal bars 221 arranged at intervals in one of the prefabricated wall panels, a second connecting longitudinal bar 222 arranged in the other prefabricated wall panel, and two support main bars 223 connected to the two first connecting longitudinal bars 221 and the second connecting longitudinal bar 222 on both sides, respectively, wherein one end of the two support main bars 223 connected to the second connecting longitudinal bar 222 is arranged at an angle, the slab bar 23 is embedded in the prefabricated wall panel 21 and connected between the plurality of first connecting longitudinal bars 221 or the second connecting longitudinal bars 222 arranged at intervals.

[0024] The first reinforcing bar assembly comprises two first reinforcing bars 3 arranged oppositely, wherein the first reinforcing bar 3 extends upward from the main body section 11 into the beam body 24, comprising a first support section 31 arranged horizontally in the main body section 11, a first extension section 32 connected perpendicularly to the first support section 31 and extending upward into the beam body 24, and a first inclined section 33 having one end connected to the upper end of the first extension section 32 and the other end extending downward at an angle, by arranging the first reinforcing bar 3, the connection strength between the foundation slab 1 and the prefabricated floor 2 is improved, and the use requirements of the prefabricated substation are met; specifically, the first connecting bar 6 is connected between the plurality of first extension sections 32 or the plurality of first support sections 31 arranged at intervals on the same side.

[0025] The second reinforcing rib assembly comprises two second reinforcing ribs 5 arranged oppositely, and specifically, the second reinforcing rib 5 extends upward from the main body section 11 into the guide installation section 12, and comprises a second extending section 51 extending upward from the main body section 11 into the guide installation section 12, a horizontal section 52 arranged perpendicularly to the upper end of the second extending section 51 and extending inward, and a vertical section 53 connected to one end of the horizontal section 52 and extending downward perpendicularly; wherein the vertical section 53 is arranged on one side of the first extending section 32 and can be connected to the first connecting rib 6 arranged in the guide installation section 12; the vertical section 53 and the first extending section 32 are arranged on two opposite sides of the first connecting rib 6, respectively; further, the second connecting rib 7 is arranged in the guide installation section 12 and is connected to the multiple second extending sections 51 arranged on the same side at intervals; by limiting the arrangement mode of the multiple first reinforcing rib assemblies, the second reinforcing rib assemblies, the first connecting rib 6 and the second connecting rib 7, a longitudinal and transverse interlaced net structure is formed with the multiple connecting trusses 22 in the prefabricated floor 2, so as to ensure the connecting strength between the foundation base plate 1 and the prefabricated floor 2.

[0026] When the prefabricated floor 2 is assembled, the prefabricated floor 2 is arranged oppositely above and below the guide installation section 12, and then the prefabricated floor 2 is moved downward, so that the multiple first reinforcing ribs 3 and the multiple water-stopping steel plates 4 are embedded between the two prefabricated wall plates 21; when the prefabricated floor 2 is supported on the guide installation section 12, the prefabricated floor 2 can be fixed by erecting support frames on two sides of the prefabricated floor 2, and then concrete is poured between the two prefabricated wall plates 21 to form the beam body 24, so as to complete the connection between the prefabricated floor 2 and the foundation base plate 1.

[0027] The application limits the structure of the foundation base plate 1, arranges the guide installation section 12 for supporting the prefabricated floor 2, has a predetermined positioning effect on the installation of the prefabricated floor 2, and effectively improves the assembly efficiency of the prefabricated floor 2; meanwhile, the multiple first reinforcing rib assemblies are arranged between the prefabricated floor 2 and the foundation base plate 1, the strength of the connection between the prefabricated floor 2 and the foundation base plate 1 is improved, the multiple water-stopping steel plates 4 are arranged between the guide installation section 12 and the prefabricated floor 2, water penetration is effectively prevented, and the safety and stability of the connection between the prefabricated floor 2 and the foundation base plate 1 are ensured; in addition, the multiple second reinforcing rib assemblies are arranged between the main body section 11 and the guide installation section 12, so as to improve the connecting strength between the guide installation section 12 and the main body section 11, and further ensure the supporting force of the guide installation section 12 on the prefabricated floor 2.

[0028] The above is only a preferred embodiment of the application, and therefore cannot limit the range of the application, that is, equivalent changes and modifications made according to the patent application range and the content of the specification should still be within the scope of the application.

Claims

1. A connection joint of a prefabricated floor slab of a substation and a foundation slab, characterized by: The base plate comprises a main body section and a guide installation section arranged on the main body section for supporting the prefabricated floor slab, the width of the main body section is greater than the width of the guide installation section, and the water stop steel plate is arranged between the guide installation section and the prefabricated floor slab.

2. The connection joint of a prefabricated floor slab and a foundation bottom plate of a substation according to claim 1, characterized in that: The prefabricated floor slab comprises two oppositely arranged prefabricated wall slabs, a plurality of connecting trusses arranged between the two prefabricated wall slabs, a plurality of slab bars for connecting the plurality of connecting trusses, and a beam body formed by pouring between the prefabricated wall slabs, and the two ends of the connecting truss are respectively embedded in the opposite prefabricated wall slabs.

3. The connection joint of a prefabricated floor slab and a foundation bottom plate of a substation according to claim 2, characterized in that: The connecting truss comprises two first connecting longitudinal bars arranged in one of the prefabricated wall slabs, a second connecting longitudinal bar arranged in the other prefabricated wall slab, and two support main bars connected to the second connecting longitudinal bar on both sides of the two first connecting longitudinal bars, respectively, and the end of the two support main bars connected to the second connecting longitudinal bar is arranged at an angle, the slab bar is embedded in the prefabricated wall slab and connected between the plurality of first connecting longitudinal bars or the second connecting longitudinal bars arranged at intervals.

4. The substation prefabricated floor and foundation slab connecting joint according to claim 1, characterized in that: The first reinforcing bar assembly comprises two first reinforcing bars arranged oppositely left and right, and the first reinforcing bar extends upward from the main body section into the beam body.

5. The substation prefabricated floor and foundation slab connecting joint according to claim 4, characterized in that: The first reinforcing bar comprises a first support section arranged horizontally in the main body section, a first extension section vertically connected to the first support section and extending upward into the beam body, and a first inclined section with one end connected to the upper end of the first extension section and the other end inclined downward.

6. The substation precast floor to foundation slab connection of claim 5, wherein: Further comprising a plurality of first connecting bars for connecting a plurality of first reinforcing bar assemblies, the first connecting bar is connected between a plurality of first extension sections arranged at the same side or a plurality of first support sections.

7. The substation prefabricated floor and foundation slab connecting joint according to claim 6, characterized in that: Further comprising a plurality of second reinforcing bar assemblies arranged at intervals between the main body section and the guide installation section, the second reinforcing bar assembly comprises two second reinforcing bars arranged oppositely left and right, and the second reinforcing bar extends upward from the main body section into the guide installation section.

8. The substation prefabricated floor and foundation slab connecting joint according to claim 7, characterized in that: The second reinforcing bar comprises a second extension section extending upward from the main body section to the guide installation section, a horizontal section arranged vertically at the upper end of the second extension section and extending inward, and a vertical section connected to one end of the horizontal section and extending vertically downward.

9. The substation precast floor to foundation slab connection of claim 8, wherein: The vertical section is arranged on one side of the first extension section and can be connected to the first connecting bar located in the guide installation section, and the vertical section and the first extension section are arranged on opposite sides of the first connecting bar, respectively.

10. The connection joint of a prefabricated floor slab and a foundation bottom plate of a substation according to claim 8, characterized in that: Further comprising a plurality of second connecting bars for connecting a plurality of second reinforcing bar assemblies, the second connecting bar is located in the guide installation section and connected to a plurality of second extension sections arranged at the same side at intervals.

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