CN110565679A - Tenon fourth of twelve earthly branches concatenation assembled foundation device and use braced system of this foundation device - Google Patents

Abstract

The invention provides a mortise and tenon joint splicing assembly type foundation device and a supporting system using the foundation device, wherein the foundation device comprises a foundation part, and a connecting part is arranged at the top end of the foundation part; the foundation part is formed by splicing a first splicing module and a second splicing module in a mortise-tenon manner, and the opposite surfaces of each mortise-tenon are connected through a connecting rod. The first splicing module and the second splicing module are spliced in a mortise and tenon mode and connected through connection of reinforcing steel bars, so that the stability of the whole foundation device after splicing is guaranteed; in addition, by utilizing the field assembly of the assembly module, most of wet operation in the construction process is avoided, and the rapid construction is realized; meanwhile, the construction efficiency is improved, the basic device is recycled, and the production cost is reduced.

Description

Tenon fourth of twelve earthly branches concatenation assembled foundation device and use braced system of this foundation device

Technical Field

The invention relates to the field of civil engineering, in particular to a mortise and tenon splicing assembly type foundation device and a supporting system using the foundation device.

Background

In the existing foundation technology applied to the transformer substation, the foundation form is mostly an on-site precast reinforced concrete independent foundation, the foundation construction mostly adopts an on-site pouring wet operation mode, and due to the influence of numerous factors such as personnel factors, climate, surrounding environment and the like, the existing cast-in-place foundation has the defects of low shock resistance, long construction period, high construction cost, environmental pollution and the like in the construction and use processes; even further affecting basic safety, durability, economics, and aesthetics, etc.

With the rapid development of the construction of the transformer substation in China, higher requirements are put forward on the construction quality, the construction period, the engineering investment, the energy conservation, the environmental protection and the like of civil engineering, and the rapid development of the construction of the transformer substation is restricted by the traditional wet operation mode. In addition, the project of electric power production overhaul, technical improvement project and the like must meet the requirement of power supply reliability, and the power failure time should be shortened as much as possible, so the cast-in-place foundation is not suitable for the project of overhaul and technical improvement which has strict requirement on the construction period.

The assembly type building foundation is widely applied at present, has the advantages of labor force reduction, convenience and simplicity in installation and short period in the construction process, does not need to pour concrete on site in large scale like a cast-in-place foundation, and is more suitable for areas with difficult transportation. In order to meet the rapid development of different voltage classes and ultra-high voltage, how to apply a fabricated concrete structure to a transformer substation to research a fabricated foundation of a power transmission line is a technical problem which needs to be solved urgently in the prior art.

disclosure of Invention

In order to solve the technical problem, the invention provides a mortise and tenon splicing assembly type foundation device and a supporting system using the foundation device.

In order to achieve the purpose, the invention adopts the following technical scheme:

the tenon-and-mortise splicing assembly type foundation device comprises a foundation part, wherein a connecting part is arranged at the top end of the foundation part; the foundation part is formed by splicing a first splicing module and a second splicing module in a mortise-tenon manner, and the opposite surfaces of each mortise-tenon are connected through a connecting rod.

In a further scheme, a supporting part is arranged between the base part and the connecting part, the supporting part and the connecting part form a step structure with a small upper part and a large lower part, and the connecting part is arranged in the middle of the top end face of the supporting part.

According to a further scheme, the supporting part is formed by combining supporting sub-parts which are fixedly arranged at the top ends of the first splicing module and the second splicing module respectively; the connecting part comprises an annular groove and bolts fixedly arranged on the periphery of the annular groove at equal intervals, and the annular groove is formed by combining grooves formed in the top end face of the supporting sub-part.

preferably, the first splicing module comprises a first splicing module body and a first tenon part, a first connecting part and a first mortise part are sequentially arranged on the same side of the first splicing module body, and a first through hole with two ends communicated with the outside is formed in the middle of the first connecting part;

The second splicing module comprises a second splicing module body and a second tenon part, a second connecting part and a second mortise part are sequentially arranged on the same side of the second splicing module body, and a second through hole with two ends communicated with the outside is formed in the middle of the second connecting part;

The first tenon part and the second mortise part and the first mortise part and the second tenon part are spliced relatively to the mortise and tenon respectively; the connecting rods are respectively fixed at the outer ends of the first tenon portion and the second tenon portion in an array mode, the connecting rods located on the first tenon portion are matched and spliced with the second through holes, and the connecting rods located on the second tenon portion are matched and spliced with the first through holes.

in a further scheme, the first connecting part and the first tenon part are respectively positioned at the upper part and the lower part of the first splicing module body and are arranged in a staggered manner; the second connecting portion and the second tenon portion are respectively located on the upper portion and the lower portion of the second splicing module body and are arranged in a staggered mode.

in a further scheme, the connecting rod penetrates through the first through hole or the second through hole and then is fixed on the anchoring plate; and concave surfaces for embedding the anchoring plates are arranged on the outer side surfaces of the first connecting part and the second connecting part.

According to the further scheme, grouting holes are formed in the first connecting portion and the second connecting portion and are respectively and vertically communicated with the first through hole and the second through hole.

According to a further scheme, adjacent first through holes or adjacent second through holes on the extension line of the grouting hole are communicated through a through cavity.

in a further scheme, the grouting hole is arranged horizontally, and the position of the grout inlet end of the grouting hole is horizontally above the position of the grout outlet end.

the connecting rod is a steel bar, and the first splicing module are both of modular structures formed by pouring slurry in advance and are directly moved to a construction site for assembly. After the reinforcing steel bars are inserted and connected, after the tail ends of the reinforcing steel bars are fixed through the anchoring plates, grouting materials are poured into the grouting holes, so that the grouting materials enter the grouting holes and the through cavities enter each through hole, and the reinforcing steel bars in the through holes are fixed. In order to improve the fixing strength, a plurality of grouting holes may be provided, and the grouting holes may be respectively formed at both ends and the middle of the reinforcing steel bar positioned in the through-hole.

The invention also aims to provide a supporting system which comprises the foundation device and a support, wherein the support comprises a supporting pipe, inclined supporting columns are fixedly arranged at two ends of the supporting pipe respectively, and an upper flange plate which is matched and connected with a connecting part on the tenon-and-mortise spliced assembly type foundation device is fixedly arranged at the bottoms of the inclined supporting columns.

the invention aims to realize the industrial processing of the main control building foundation of the transformer substation, and then the main control building foundation is transported to the site for rapid assembly, thereby improving the production efficiency, efficiently completing the work of rush repair, power failure transition, construction in rainy season in winter and the like, simultaneously ensuring the construction quality, meeting the protection requirements and playing a positive role in promoting the foundation construction of power equipment and the development of social economy.

The first splicing module and the second splicing module are spliced in a mortise and tenon mode, and the splicing modules are used for field assembly, so that most of wet operation in the construction process is avoided, and rapid construction is realized; meanwhile, a movable assembly type foundation which is quickly assembled on site is manufactured, so that the reutilization of the foundation device is realized, the whole life cycle cost of the foundation is reduced, the materials are saved, the environment is protected, and the remarkable social value and economic benefit are created.

the connecting rods are used for reinforcing the spliced modules after the tenon-and-mortise splicing, and are made of reinforcing steel bars, so that the structure stability of the whole foundation device after splicing can be ensured;

In the invention, the basic device can be assembled by only adopting the modules with two structures for mortise and tenon splicing, so that the production procedures are reduced, and the production time and the cost are greatly reduced by only designing two types of moulds in the production; in addition, the difficulty of splicing and assembling on site is reduced;

The tenon parts of the splicing modules are provided with a plurality of connecting rods with steel bar structures so as to enhance the tension of the adjacent splicing modules; in addition, for strengthening the stability, anchor fixing is carried out with the anchor board at the end of connecting rod, and the thick liquids are watered in the rethread grout hole, make the connecting rod consolidate fixedly to can increase the stability after two adjacent concatenation modules are connected.

when grouting through the grouting hole, the grouting hole enters the through hole of the grouting hole firstly, and then the through cavity between the adjacent through holes is formed, so that the grouting can be guaranteed between each through hole and the corresponding steel bar. When the through holes are horizontally arranged, in order to facilitate the slurry to smoothly enter each through hole, the grouting holes are arranged to be inclined, namely the horizontal height of the slurry inlet ends of the grouting holes is higher than that of the slurry outlet ends of the grouting holes, so that the grouting holes can be guaranteed to smoothly enter the slurry.

The supporting part is used for being used as the supporting part of the foundation device after the supporting sub-parts are combined, after the splicing modules are spliced, the foundation part and the supporting part form a step structure which is small in upper part and large in lower part, when the foundation part is buried in a soil body and leaks out of the partial height of the supporting part, the contact area between the foundation part and the soil body can be increased due to the step structure, the foundation part is not easy to pull out, and therefore the stability of the foundation device is improved.

Drawings

Figure 1 is a schematic structural view of the present invention,

Figure 2 is a schematic view of the assembly of figure 1,

Figure 3 is a schematic view of the assembly of a first splice module and a second splice module of the present invention,

Figure 4 is a schematic structural view of a first splice module of the present invention,

Figure 5 is a perspective view of a first splice module body of the present invention,

Figure 6 is a front view of a second splice module of the present invention,

figure 7 is a rear view of a second splice module of the present invention,

figure 8 is a schematic structural view of the support system of the present invention,

fig. 9 is a schematic structural view of the stent of fig. 8.

In the figure:

1-a basic device, 2-a supporting tube, 3-an inclined supporting column and 4-an upper flange plate;

10-the basic part, and the basic part,

11-a first splicing module, 111-a first splicing module body, 112-a first tenon part, 113-a first connecting part, 114-a first through hole, 115-a first grouting hole, 116-a first mortise part and 117-a through cavity;

12-a second splicing module, 121-a second splicing module body, 122-a second tenon part, 123-a second connecting part, 124-a second through hole, 125-a second grouting hole, 126-a second mortise part;

13-a connecting rod;

20-support part, 21-support sub-part;

30-connecting part, 31-groove, 32-bolt.

Detailed Description

As shown in fig. 1 to 7, the tenon-and-mortise splicing assembly type foundation device comprises a foundation part 10, wherein a connecting part 30 is arranged at the top end of the foundation part 10; the foundation part 10 is formed by splicing a first splicing module 11 and a second splicing module 12 in a mortise-tenon mode, and the opposite surfaces of each mortise-tenon mode are connected through a connecting rod 13.

The first structure of the tenon-and-mortise splicing assembly type foundation device is that the connecting part 30 is directly arranged at the center of the top end of the foundation part 10 and is used for being connected with other structures and supports for construction of a transformer substation.

The second structure of the tenon-and-mortise splicing assembly type foundation device is that a supporting part 20 is arranged between a foundation part 10 and a connecting part 30, the supporting part 20 and the connecting part 30 form a step structure with a small upper part and a big lower part, and the connecting part 30 is arranged in the middle of the top end face of the supporting part 20.

Furthermore, the supporting portion 20 is formed by combining supporting sub-portions 21 respectively fixed to the top ends of the first splicing module 11 and the second splicing module 12; the connecting portion 30 includes an annular groove formed by combining a groove 31 formed on the top end surface of the supporting portion 21, and bolts 32 fixed to the outer circumference of the annular groove at equal intervals.

As shown in fig. 1 and 2, the second structure of the tenon-and-mortise splicing assembly type foundation device is composed of two first splicing modules 11 and two second splicing modules 12, after every two first splicing modules 11 and two second splicing modules 12 are spliced together in tenon-and-mortise mode, the first splicing modules and the second splicing modules are spliced together in tenon-and-mortise mode to form an integral foundation part 10, the top end face of each splicing module is welded or poured together to form a supporting sub-part 21, grooves 31 on the top end faces of all the supporting sub-parts 21 after splicing form an annular groove, and bolts 32 are nailed into the periphery of the annular groove at equal intervals to enable the annular groove to be in adaptive connection with the upper flange 4 on the support. The base portion 10 and the support portion 20 are rectangular bodies. The splicing modules are convenient to manufacture, and the tenon-and-mortise structures between the splicing modules are prevented from being well matched, wherein the tenon portions are square convex strips, and the corresponding mortise portions are square grooves.

Preferably, the first splicing module 11 includes a first splicing module body 111 and a first tenon portion 112, a first connection portion 113 and a first mortise portion 116 are sequentially disposed on the same side of the first splicing module body 111, and a first through hole 114 is disposed in the middle of the first connection portion 113, and two ends of the first through hole are communicated with the outside;

The second splicing module 12 comprises a second splicing module body 121 and a second tenon part 122, a second connecting part 123 and a second mortise part 126 are sequentially arranged on the same side of the second splicing module body 121, and a second through hole 124 with two ends communicated with the outside is formed in the middle of the second connecting part 123;

the first tenon part 112 and the second tenon part 126, and the first tenon part 116 and the second tenon part 122 are respectively spliced in a tenon-and-mortise manner; the connecting rods 13 are respectively fixed at the outer ends of the first tenon portion 112 and the second tenon portion 122 in an array, the connecting rods on the first tenon portion 112 are inserted in the second through holes 124 in a matching manner, and the connecting rods on the second tenon portion 122 are inserted in the first through holes 114 in a matching manner.

In a further scheme, the first connecting portion 113 and the first tenon portion 112 are respectively located at the upper and lower portions of the first splicing module body 111 and are arranged in a staggered manner; the second connecting portion 123 and the second tenon portion 122 are respectively located at the upper and lower portions of the second splicing module body 121 and are staggered.

In a further scheme, the connecting rod 13 passes through the first through hole 114 or the second through hole 124 and then is fixed on the anchoring plate; the outer side surfaces of the first connecting part 113 and the second connecting part 123 are provided with concave surfaces for embedding the anchoring plates.

and a connecting rod 13 and a through hole which are matched and sleeved are respectively arranged on the opposite surfaces of each tenon-and-mortise, and the connecting rod 13 is anchored after penetrating through the corresponding through hole. An anchor plate is further arranged on the splicing module, the connecting rod 13 penetrates through the through hole and then is fixed on the anchor plate, and the anchor plate is embedded in a concave surface of the outer side surface of the connecting part.

Further, grouting holes are formed in the first connecting portion 113 and the second connecting portion 123, and the grouting holes are respectively and vertically communicated with the first through hole 114 and the second through hole 124.

In a further scheme, the adjacent first through holes 114 or the adjacent second through holes 124 on the extension line of the grouting hole are communicated through the through cavity 117.

Specifically, as shown in fig. 4, the first tenon portion 112 of the first splice module 11 is disposed below the first splice module body 111, the first connection portion 113 and the first mortise portion 116 are disposed above the first splice module body 111 side by side, and the first through hole 114 is disposed horizontally and communicates with the first mortise portion 116; the first grouting hole 115 is provided at the top end surface of the first mosaic module body 111 to extend downward in a vertical state. As shown in fig. 5, the first through holes 114 are arranged in a display manner, the feeding end of the first grouting hole 115 is located inside the first through hole 114 above the top end surface and the discharging end of the first splicing module body 111, adjacent first through holes 114 are communicated through the through cavity 117 in the extension line direction of the first grouting hole 115, and when slurry is poured, the slurry can enter each first through hole 114 along the first grouting hole 115 and the through cavity 117 to fix the connecting rod 13.

as shown in fig. 6 and 7, the second tenon portion 122 of the second splice module 12 is disposed above the second splice module body 121, the second connection portion 123 and the second mortise portion 126 are disposed below the second splice module body 121 side by side, and the second through hole 124 is disposed horizontally and communicates with the second mortise portion 126; the second grouting hole 125 is disposed on a side surface of the second splice module body 121 and extends horizontally downward to be inclined, and a position of a grout inlet end of the grouting hole is horizontally above a position of a grout outlet end.

The connecting rod is a steel bar, and the first splicing module 11 and the first splicing module 12 are both of modular structures formed by pouring cement slurry in advance and are directly moved to a construction site for assembly. After the reinforcing steel bars are inserted and connected, after the tail ends of the reinforcing steel bars are fixed through the anchoring plates, grouting materials are poured into the grouting holes, so that the grouting materials enter the grouting holes and the through cavities enter each through hole, and the reinforcing steel bars in the through holes are fixed. In order to improve the fixing strength, a plurality of grouting holes may be provided, and the grouting holes may be respectively formed at both ends and the middle of the reinforcing steel bar positioned in the through-hole.

in this embodiment, 4 connecting rods 13 are horizontally extended outwards from the tenon part of each tenon-and-mortise to form a rectangle, and four grouting holes are also arranged in a rectangle.

Placing the first splicing module 11 and the second splicing module 12 on the same plane, matching a first tenon portion 112 located below in the first splicing module 11 with a second mortise portion 126 of the second splicing module 12, and inserting the connecting rod 13 on the first tenon portion 112 into a second through hole 124 on a second connecting portion 123 in the second splicing module 12, so that the upper portions and the lower portions of the two are matched (as shown in fig. 3); the other two first and second splice modules 11 and 12 are assembled in the same manner, and then the two assemblies are connected oppositely as above (as shown in fig. 2), the supporting sub-portions 21 at the upper portions are combined with each other to form the supporting portion 2, and the grooves 31 at the top ends of the supporting sub-portions 21 are fitted into each other to form an annular groove, so as to form the connecting portion 30. Thereby splicing to form a tenon-and-mortise spliced assembly type foundation device (as shown in figure 1).

the assembling steps of the tenon-and-mortise splicing assembly type foundation device are as follows:

S1, using two molds, wherein one mold is made into a first splicing module 11 and a supporting sub-portion 21 above the first splicing module, and the other mold is made into a second splicing module 12 and a corresponding supporting sub-portion 31 above the second splicing module; a through hole for the connecting rod 13 to penetrate through is reserved, and the external corner and the internal corner of each splicing module are matched and can be spliced; the groove 31 on the supporting sub-part 21 is also flat and complete, an annular groove is formed after assembly, and a lower flange plate can be fixedly installed by embedding a bolt 32 in the periphery of the annular groove;

s2, placing the first splicing module 11 and the second splicing module 12 on the same plane, and inserting the connecting rod 13 extending out of the first splicing module 11 into the second through hole 124 at the corresponding position of the second splicing module 12 to ensure that the upper parts and the lower parts of the two are matched; assembling the other two first splicing modules 11 and the second splicing module 12 in the same method, and connecting the two parts oppositely to form a whole;

s3, penetrating the lower flange plate into each bolt for pre-fixing;

s4, after the bolt is pre-fixed, pre-tensioning the reserved connecting rod 13 in the module, and adding an anchor plate to fix the connecting rod 13 outside the module to prevent the connecting rod from deforming; after the pretensioning is finished, grouting is carried out through a reserved grouting hole so as to ensure the integrity and the compactness of the grouting hole;

And S5, spraying concrete on the anchoring plate to wrap the anchorage device so as to achieve the purpose of rust prevention.

Another object of the present invention is to provide a supporting system, as shown in fig. 8 and 9, which includes the above-mentioned base device 1 and a bracket, where the bracket includes a supporting tube 2, two ends of the supporting tube 2 are respectively and fixedly provided with two bracing columns 3, and the bottoms of the bracing columns 3 are fixedly provided with upper flanges 4 that are connected with the connecting portions 30 on the tenon-and-mortise splicing assembly type base device 1 in a matching manner.

During installation, the upper flange 4 is flange-connected with a lower flange pre-installed in the base unit 1.

the invention is not to be considered as limited to the specific embodiments shown and described, but is to be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The tenon-and-mortise splicing assembly type foundation device is characterized by comprising a foundation part (10), wherein a connecting part (30) is arranged at the top end of the foundation part (10); the foundation part (10) is formed by splicing a first splicing module (11) and a second splicing module (12) in a mortise-tenon mode, and the opposite surfaces of each mortise-tenon mode are connected through a connecting rod (13).

2. The tenon-and-mortise splicing assembly type foundation device according to claim 1, wherein a supporting part (20) is arranged between the foundation part (10) and the connecting part (30), the supporting part (20) and the connecting part (30) form a step structure with a small upper part and a big lower part, and the connecting part (30) is arranged in the middle of the top end surface of the supporting part (20).

3. The tenon-and-mortise splicing assembly type foundation device according to claim 2, wherein the supporting part (20) is formed by combining supporting sub-parts (21) which are fixedly arranged at the top ends of the first splicing module (11) and the second splicing module (12) respectively; the connecting part (30) comprises an annular groove and bolts (32) fixedly arranged on the periphery of the annular groove at equal intervals, and the annular groove is formed by combining grooves (31) formed in the top end face of the supporting sub-part (21).

4. The tenon-and-mortise splicing assembly type foundation device according to claim 1 or 2, wherein the first splicing module (11) comprises a first splicing module body (111) and a first tenon part (112), a first connecting part (113) and a first mortise part (116) are sequentially arranged on the same side of the first splicing module body (111), and a first through hole (114) with two ends communicated with the outside is formed in the middle of the first connecting part (113);

The second splicing module (12) comprises a second splicing module body (121) and a second tenon part (122), a second connecting part (123) and a second mortise part (126) are sequentially arranged on the same side of the second splicing module body (121), and a second through hole (124) with two ends communicated with the outside is formed in the middle of the second connecting part (123);

the first tenon part (112) and the second mortise part (126) as well as the first mortise part (116) and the second tenon part (122) are spliced relatively to the mortise and tenon respectively; the connecting rods (13) are respectively fixed at the outer ends of the first tenon part (112) and the second tenon part (122) in an array mode, the connecting rods positioned on the first tenon part (112) are matched and plugged with the second through holes (124), and the connecting rods positioned on the second tenon part (122) are matched and plugged with the first through holes (114).

5. the tenon-and-mortise splicing assembly type foundation device according to claim 4, wherein the first connecting part (113) and the first tenon part (112) are respectively positioned at the upper part and the lower part of the first splicing module body (111) and are staggered; the second connecting part (123) and the second tenon part (122) are respectively positioned on the upper part and the lower part of the second splicing module body (121) and are arranged in a staggered mode.

6. The tenon-and-mortise splicing assembly type foundation device according to claim 4, wherein the connecting rod (13) passes through the first through hole (114) or the second through hole (124) and then is fixed on the anchoring plate; the outer side surfaces of the first connecting part (113) and the second connecting part (123) are respectively provided with a concave surface for embedding the anchoring plate.

7. The tenon-and-mortise splicing assembly type foundation device according to claim 4, wherein grouting holes are formed in the first connecting portion (113) and the second connecting portion (123), and the grouting holes are respectively and vertically communicated with the first through hole (114) and the second through hole (124).

8. the tenon-and-mortise splicing assembly type foundation device according to claim 7, wherein adjacent first through holes (114) or adjacent second through holes (124) on the extension line of the grouting hole are communicated through a through cavity (117).

9. The tenon-and-mortise splicing assembly type foundation device according to claim 7, wherein the grouting hole is horizontally arranged, so that the position of the grout inlet end of the grouting hole is horizontally above the position of the grout outlet end.

10. A supporting system, comprising the tenon fourth of twelve earthly branches concatenation assembled base device (1) of claim 1 or 2 and a support, the support includes stay tube (2), bracing column (3) has been set firmly respectively at the both ends of stay tube (2), the end of bracing column (3) has set firmly last ring flange (4) with the cooperation connection of connecting portion (30) on the tenon fourth of twelve earthly branches concatenation assembled base device (1).