CN110714476A - An assembled transmission line tower foundation - Google Patents

Abstract

The invention relates to the technical field of pole tower foundation structures, in particular to an assembled transmission line pole tower foundation. It includes a plurality of unit components; the unit component includes a concrete component; the concrete component is a column or square block structure, and at least one steel pipe component is embedded in the concrete component; one end of the steel pipe component is embedded in the concrete component, The other end is a tubular structure extending outward, and the steel pipe component is consolidated with the steel pipe component on another concrete component to connect the two unit components as a whole. The invention has simple structure and convenient assembly, greatly improves the construction efficiency of the tower foundation, reduces the construction difficulty, shortens the field operation time, facilitates the workshop control of the component quality, the assembled structure is more convenient and fast, and saves a lot of time. The cost of human and material resources has great promotion value.

Description

An assembled transmission line tower foundation

technical field

The invention relates to the technical field of pole tower foundation structures, in particular to an assembled transmission line pole tower foundation.

Background technique

The tower foundation bears large horizontal and vertical loads, so the foundation shape is large. The traditional cast-in-place reinforced concrete foundation has two major shortcomings: one is that the maintenance time is long, which prolongs the construction period of field operations and increases the project cost; , Concrete pouring in the field, the on-site construction is difficult, the efficiency is low, and the quality control is difficult. In recent years, with the gradual popularization of mechanized construction of power transmission projects and the high timeliness requirements of power grid repairs after wind and ice disasters, the market demand for prefabricated foundations is increasing, but the existing foundation repair technology cannot meet this growing demand. Market demand.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above-mentioned deficiencies of the background technology, and to provide an assembled transmission line tower foundation.

The technical scheme of the present invention is: an assembled transmission line tower foundation, which is characterized in that: it includes a plurality of unit components; the unit components include concrete components; the concrete components are columnar or square block structures, and the concrete components At least one steel pipe assembly is embedded; the steel pipe assembly is a tubular structure with one end embedded in the concrete assembly and the other end extending outward, and the steel pipe assembly is consolidated with the steel pipe assembly on the other concrete assembly to connect the two unit assemblies into one , a plurality of concrete components are connected to each other through steel pipe components to form a tower foundation.

Further, the steel pipe assembly includes a vertical assembly supported by a column; one end of the vertical assembly is embedded in the concrete assembly, and the other end is provided with a first connection structure that is butted with the adjacent vertical assembly.

Further, the first connection structure includes a plurality of first through holes opened on the pipe wall of the vertical assembly, and the plurality of first through holes are arranged on the pipe wall of the vertical assembly at intervals along the circumferential direction; the end of the vertical assembly The utility model is inserted into the adjacent vertical components or sleeved outside the adjacent vertical components, and is fixedly connected as a whole through the bolts penetrated in the first through holes.

Further, the steel pipe assembly also includes a horizontal assembly as a parallel hook; one end of the horizontal assembly is embedded in the concrete assembly, and the other end is provided with a second connection structure that is butted with the adjacent horizontal assembly.

Further, the horizontal component is located on the pipe body outside the concrete component, and a clamping groove extends along the axial direction of the horizontal component; the second connecting structure includes a connecting plate arranged in the clamping groove; one side of the connecting plate is welded to the clamping groove There is a gap between the side wall and the other side of the card slot, and the connecting plate is provided with a second through hole; the end of the horizontal component is inserted into the adjacent horizontal component or sleeved outside the adjacent horizontal component to make two connecting plates. They extend into the gap and are closely attached to each other and are fixedly connected together by bolts penetrated in the second through hole.

Further, the pipe body of the horizontal component outside the concrete component is provided with two clamping grooves, and the two clamping grooves are symmetrically arranged on both sides of the axis of the horizontal component; the two ends of the connecting plate respectively pass through the horizontal component. Two card slots.

Further, the two ends of the connecting plate respectively pass through the two card slots on the horizontal assembly and extend to the outside of the horizontal assembly, and a second through hole is formed on the plate body extending to the outside of the horizontal assembly.

Further, the pipe body of the horizontal component outside the concrete component is provided with a plurality of third through holes spaced along the circumferential direction of the horizontal component, and the end of the horizontal component extends into the adjacent horizontal component or is sleeved on the opposite horizontal component. It is adjacent to the outside of the horizontal component and is fixedly connected as a whole by a bolt passing through the third through hole.

Further, a plurality of reinforcing bars surrounding the outer side of the steel pipe assembly are arranged in the concrete assembly, and the plurality of reinforcing bars are arranged in a crisscross pattern to form a steel skeleton cast in the concrete assembly.

Further, the concrete assembly is provided with a lifting lug; the suspension lug is a C-shaped member whose one end is embedded in the concrete assembly and is fixedly connected with the reinforcing rib, and one end extends outside the concrete assembly.

The advantages of the present invention are as follows: 1. The tower foundation of the present invention is assembled by a plurality of unit components, and the unit components are concrete-filled steel tubular components. The adjacent unit components are assembled together through the steel pipe components, and an appropriate number of The unit components can be assembled into the required structure, and can be expanded in plane and vertical according to the design requirements of bearing capacity. The installation method is simple, and the unit components can be prepared in advance in the prefabrication factory, which greatly improves the pole tower The efficiency of foundation building and construction reduces the difficulty of construction, effectively shortens the construction period of the field, and realizes the workshop control of the quality of components;

2. The steel pipe assembly of the present invention includes a vertical assembly as a column structure. The vertical assemblies are connected to each other to form a vertical column structure. In actual use, the section size of the vertical assembly can be changed according to the bearing requirements of the tower foundation, thereby improving the the bearing capacity of the foundation;

3. The vertical components of the present invention are sleeved with each other, and the joint and the plug are both provided with first through holes. Two sets of vertical components can be fixedly connected into one by the bolts in the holes, and the installation method is extremely simple;

4. The steel pipe assembly of the present invention also includes horizontally arranged horizontal assemblies as hook connections. The horizontal assemblies are connected to each other to connect multiple unit assemblies into a horizontal bearing foundation. The horizontal assemblies can select a steel pipe structure with a suitable diameter according to actual needs;

5. The adjacent horizontal components of the present invention are connected to each other by means of socket connection, and a connecting plate is arranged on the horizontal component, and the connection plate can locate the direction of the horizontal component, which is convenient for confirming the direction of the unit components during the socketing process, and is convenient for alignment. For the installation of two groups of adjacent horizontal components, there are second through holes through which bolts pass through the connecting plate, so as to improve the connection strength of the horizontal components;

6. In the present invention, two sets of card slots are arranged on the horizontal component, and the two sets of card slots are symmetrically arranged, that is, the arranged connecting plate penetrates the entire horizontal component, the contact area of the two sets of horizontal components is greatly improved after the butt joint, and the force transmission performance is improved;

7. In the present invention, a second through hole is provided on the part where the connecting plate extends to the outside of the horizontal assembly, that is, after the horizontal assembly is butt-installed, the bolt installation is performed on the outside of the horizontal assembly. This structure is easy to install;

8. The present invention is provided with a third through hole on the horizontal component. When the two sets of horizontal components are connected to each other, the bolts pass through the third through hole, and the two sets of horizontal components can be fixedly connected into one. The connection strength of the two sets of horizontal components is greatly improved;

9. In the present invention, reinforcing bars are added in the outsourcing concrete, which improves the crack resistance of the entire concrete structure, and the reinforcing bars are wrapped on the outside of the steel pipe assembly to strengthen the integrity of the concrete and the steel pipe;

10. In the present invention, lifting ears are embedded in the concrete components, and for some large-scale unit components, the lifting ears are convenient for handling such unit components;

11. The constituent unit of the present invention adopts a fixed modulus and size, which can realize secondary utilization, and can reduce the waste of basic materials for the relocation of the circuit within the designed service life.

The invention has simple structure and convenient assembly, greatly improves the construction efficiency of the tower foundation, reduces the construction difficulty, shortens the field operation time, facilitates the workshop control of the component quality, the assembled structure is more convenient and fast, and saves a lot of time. The cost of human and material resources has great promotion value.

Description of drawings

Fig. 1: the front view of the tower foundation of the present invention;

Fig. 2: the top view of the tower foundation of the present invention;

Figure 3: a schematic view of the vertical assembly structure of the present invention;

Figure 4: A-A view in Figure 3 of the present invention;

Figure 5: a schematic view of the structure of the horizontal assembly of the present invention;

Figure 6: B-B view in Figure 5 of the present invention;

Among them: 1-concrete component; 2-vertical component; 3-first through hole; 4-horizontal component; 5-card slot; 6-connecting plate; 7-second through-hole; 8-third through-hole; 9 - Reinforcing ribs; 10 - lifting lugs.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in Figures 1 to 6, the tower foundation of this embodiment is an assembled structure, which is assembled from a plurality of unit components. As shown in Figures 1-6, the unit assembly of this embodiment includes two parts, one is the concrete assembly 1, and the other is the steel pipe assembly. The steel pipe component is a tubular structure with one end embedded in the concrete component 1 and the other end extending outward. The concrete component 1 can be a columnar structure or a square block structure. The concrete component 1 in this embodiment is a cube or a cuboid. The concrete assembly 1 is provided with a plurality of reinforcing bars 9 surrounding the outer side of the steel pipe assembly. The concrete assembly 1 is provided with a lifting lug 10 . The lifting lug 10 is a C-shaped member whose one end is embedded in the concrete assembly 1 and is fixedly connected with the reinforcing rib 9 and one end extends outside the concrete assembly 1 . For some large unit components, the lifting lugs 10 are convenient for lifting and handling.

The steel pipe assembly in this embodiment includes two groups. As shown in Figures 3 to 4, the steel pipe assembly includes a vertical assembly 2 supported by a vertical column. The first connection structure that is docked to the component 2 . As shown in FIGS. 3 to 4 , the first connection structure includes a plurality of first through holes 3 opened on the pipe wall of the vertical assembly 2 , and the plurality of first through holes 3 are arranged on the pipe wall of the vertical assembly 2 at intervals along the circumferential direction , the end of the vertical assembly 2 is inserted into the adjacent vertical assembly 2 or sleeved outside the adjacent vertical assembly 2 and is fixedly connected as a whole through the bolts passing through the first through hole 3 .

During installation, the corresponding two groups of vertical assemblies 2 in the adjacent two groups of unit assemblies are sleeved together, so that the first through holes 3 in the two groups of vertical assemblies 2 are in one-to-one correspondence, and then toward the first through holes 3 Bolts are inserted inside to connect the two together, and the installation of the vertical assembly 2 in the unit assembly is completed.

The vertical assembly 2 can be a single steel pipe passing through the concrete assembly 1, and its two ends protrude out of the concrete assembly 1. Alternatively, one end of the vertical component 2 is located in the concrete component 1, and the other end extends vertically. Vertical assemblies 2 with different structures are adopted according to actual needs.

As shown in FIGS. 5-6 , the steel pipe assembly further includes a horizontal assembly 4 as a parallel hook. One end of the horizontal assembly 4 is embedded in the concrete assembly 1 , and the other end is provided with a second connection structure for butt joint with the adjacent horizontal assembly 4 . The horizontal component 4 is located on the pipe body outside the concrete component 1, and the clamping groove 5 extends along the axial direction of the horizontal component 4. The horizontal component 4 is located on the pipe body outside the concrete component 1. There are two clamping grooves 5, and the two clamping grooves 5 are symmetrical Arranged on both sides of the axis of the horizontal assembly 4 . The second connecting structure includes a connecting plate 6 arranged in the card slot 5 . Both ends of the connecting plate 6 respectively pass through the two card slots 5 on the horizontal assembly 1 and extend to the outside of the horizontal assembly 4 and to the outside of the horizontal assembly 4 A second through hole 7 is opened on the plate body. One side of the connecting plate 6 is welded to the side wall of the card slot 5 and has a gap with the other side of the card slot 5. The end of the horizontal component 4 is inserted into the adjacent horizontal component 4 or sleeved outside the adjacent horizontal component 4 to make two pieces. The connecting plates 6 protrude into the gap and are tightly attached to each other, and are connected together by bolts pierced through the second through holes 7 .

A plurality of third through holes 8 spaced along the circumferential direction of the horizontal component 4 are opened on the pipe body of the horizontal component 4 outside the concrete component 1, and the end of the horizontal component 4 extends into the adjacent horizontal component 4 or is sleeved. Outside the adjacent horizontal components 4 and are connected together by bolts passing through the third through holes 8 .

During the actual installation, the two sets of corresponding horizontal components 4 are sleeved together, and the connecting plate 6 extends into the gap of the opposite horizontal component 4, and is attached to the connecting plate 6 in the opposite horizontal component 4, so that the two The second through holes 7 on the connecting plate 6 are in one-to-one correspondence, and then the two connecting plates 6 are fixed together through bolts. Bolts are passed through the corresponding third through holes on the horizontal components 4 to fasten the two sets of horizontal components 4 into one.

According to actual needs, a plurality of horizontal components 4 can be set on the concrete component 1 of this embodiment. As shown in FIGS. 1-2 , a unit component in this embodiment can be provided with four sets of horizontal components 4 and two sets of vertical components 2 at most. However, according to actual requirements, various special situations may be faced, and even more than four sets of horizontal components 4 and two sets of vertical components 2 are within the protection scope of this embodiment.

In the concrete assembly 1 of this embodiment, two sets of horizontal assemblies are on the same axis, the two sets of horizontal assemblies 4 can be formed by using the same steel pipe to pass through the concrete assembly 1, and the connecting plates 6 of the two sets of horizontal assemblies 4 can pass through the concrete The assembly 1 , ie a connecting plate 6 extends from one set of horizontal assemblies 4 into another set of horizontal assemblies 4 .

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Such changes and improvements fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides an assembled transmission line shaft tower basis which characterized in that: comprises a plurality of unit components; the unit assembly comprises a concrete assembly (1); the concrete component (1) is of a columnar or square block structure, and at least one steel pipe component is embedded in the concrete component (1); the steel pipe assembly is a tubular structure with one end embedded in the concrete assembly (1) and the other end extending outwards, the steel pipe assembly and the steel pipe assembly on the other concrete assembly (1) are fixedly connected to connect the two unit assemblies into a whole, and the plurality of concrete assemblies (1) are mutually butted through the steel pipe assemblies to form a tower foundation.

2. The fabricated transmission line tower foundation of claim 1, wherein: the steel pipe assembly comprises a vertical assembly (2) used as a stand column support; one end of each vertical component (2) is embedded in the concrete component (1), and the other end of each vertical component is provided with a first connecting structure in butt joint with the adjacent vertical component (2).

3. The fabricated transmission line tower foundation of claim 2, wherein: the first connecting structure comprises a plurality of first through holes (3) formed in the pipe wall of the vertical assembly (2), and the first through holes (3) are circumferentially arranged on the pipe wall of the vertical assembly (2) at intervals; the end parts of the vertical components (2) are inserted into the adjacent vertical components (2) or sleeved outside the adjacent vertical components (2) and fixedly connected into a whole through bolts penetrating through the first through holes (3).

4. The fabricated transmission line tower foundation of claim 1, wherein: the steel pipe component also comprises a horizontal component (4) which is used for parallel hooking; one end of each horizontal component (4) is embedded in the concrete component (1), and the other end of each horizontal component is provided with a second connecting structure in butt joint with the adjacent horizontal component (4).

5. The fabricated transmission line tower foundation of claim 4, wherein: the horizontal component (4) is positioned on a pipe body outside the concrete component (1) and is provided with a clamping groove (5) extending along the axial direction of the horizontal component (4); the second connecting structure comprises a connecting plate (6) arranged in the clamping groove (5); one side of the connecting plate (6) is welded on the side wall of the clamping groove (5) and a gap is reserved between the connecting plate and the other side of the clamping groove (5), and a second through hole (7) is formed in the connecting plate (6); the end parts of the horizontal components (4) are inserted into the adjacent horizontal components (4) or are sleeved outside the adjacent horizontal components (4) to enable the two connecting plates (6) to stretch into the gap to be mutually attached tightly and fixedly connected into a whole through bolts penetrating through the second through holes (7).

6. The fabricated transmission line tower foundation of claim 5, wherein: two clamping grooves (5) are formed in the pipe body of the horizontal component (4) outside the concrete component (1), and the two clamping grooves (5) are symmetrically arranged on two sides of the axis of the horizontal component (4); two ends of the connecting plate (6) respectively penetrate through the two clamping grooves (5) on the horizontal component (4).

7. The fabricated transmission line tower foundation of claim 6, wherein: two ends of the connecting plate (6) respectively penetrate through the two clamping grooves (5) on the horizontal component (1) and extend out of the horizontal component (4), and a second through hole (7) is formed in a plate body extending out of the horizontal component (4).

8. The fabricated transmission line tower foundation of any one of claims 4 to 7, wherein: the horizontal component (4) is located the body outside the concrete component (1) and is provided with a plurality of third through holes (8) which are arranged along the circumferential direction of the horizontal component (4) at intervals, and the end part of the horizontal component (4) extends into the adjacent horizontal component (4) or is sleeved outside the adjacent horizontal component (4) and is fixedly connected into a whole through bolts penetrating through the third through holes (8).

9. The fabricated transmission line tower foundation of claim 1, wherein: be provided with many in concrete subassembly (1) around reinforcing rib (9) in the steel pipe assembly outside, many reinforcing rib (9) criss-cross arrange form the framework of steel reinforcement of pouring in concrete subassembly (1).

10. The fabricated transmission line tower foundation of claim 9, wherein: a lifting lug (10) is arranged on the concrete component (1); the lifting lug (10) is a C-shaped member, one end of the C-shaped member is embedded in the concrete component (1) and fixedly connected with the reinforcing rib (9), and the other end of the C-shaped member extends out of the concrete component (1).

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