CN220301374U - Combined foundation of power transmission line - Google Patents

Abstract

The utility model discloses a power transmission line combined foundation, which comprises a foundation pile, a bearing platform assembly, a main column, a first foundation bolt and a second foundation bolt, wherein the foundation pile extends along the up-down direction, the bearing platform assembly comprises a first bearing platform and a second bearing platform, the first bearing platform and the second bearing platform are arranged above the foundation pile and are oppositely arranged along the first direction, the first direction is orthogonal to the up-down direction, the main column comprises a first main column and a second main column, the first main column and the second main column extend along the up-down direction, the first main column is arranged on the first bearing platform, the second main column is arranged on the second bearing platform, the first foundation bolt is embedded in the first main column, and the second foundation bolt is embedded in the second main column. The transmission line combined foundation has the advantages of simple structure, convenience in construction, economy, environmental protection and the like.

Description

Combined foundation of power transmission line

Technical Field

The utility model belongs to the technical field of power transmission line foundations, and particularly relates to a power transmission line combined foundation.

Background

Pile foundations are formed by manually or mechanically forming holes, binding reinforcement cages and pouring concrete, and are divided into single pile foundations and pile group foundations (consisting of a plurality of foundation piles and bearing platforms). The filling pile foundation can fully exert the friction effect of pile soil or the supporting effect of pile ends, thereby being used for resisting the load of upper structures such as upper buildings, structures and the like. The self-standing iron tower of the power transmission line generally has 4 tower legs, each tower leg is provided with an independent foundation, and 2 or more tower leg foundations are combined into a whole to form a combined foundation.

In the related technology, the consumption of the combined base material is large, the construction period is long, and the cost is high.

Disclosure of Invention

The present utility model has been made based on the findings and knowledge of the inventors regarding the following facts and problems:

for towers with small foundation root opening, such as small voltage class, narrow-base towers and the like, the problem of foundation collision of independent four legs often occurs because of the problem of small root opening, the foundation material quantity is increased by finally selecting to design 4 legs into a whole, especially when the tension tower foundation of a power transmission line can be split and pressed, the foundation with four legs is designed to increase the foundation material quantity, the period of foundation construction accounts for about 70% of the construction period of the whole line engineering, the construction period of the cast-in-situ foundation is long because the links of binding, formwork supporting, pouring, maintenance and the like are considered, and the engineering investment of the cast-in-situ foundation is greatly increased compared with that of an assembled foundation.

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the embodiment of the utility model provides the power transmission line combined foundation which is simple in structure, reasonable in structure, economical and environment-friendly.

The transmission line joint foundation according to the embodiment of the utility model comprises the following steps: the foundation pile extends along the up-down direction; the bearing platform assembly comprises a first bearing platform and a second bearing platform, the first bearing platform and the second bearing platform are arranged above the foundation pile and are oppositely arranged along a first direction, and the first direction is orthogonal to the up-down direction; the main columns comprise first main columns and second main columns, the first main columns and the second main columns extend in the vertical direction, the first main columns are arranged on the first bearing platform, and the second main columns are arranged on the second bearing platform; first rag bolt and second rag bolt, first rag bolt is pre-buried in the interior of first principal post, first rag bolt's upper end stretches out first principal post up end, first rag bolt's lower tip wears to establish in the first cushion cap and follow the lower terminal surface of first cushion cap wears to go out, second rag bolt is pre-buried in the second principal post, second rag bolt's upper end stretches out second principal post up end, second rag bolt's lower tip wears to establish in the second cushion cap and follow the lower terminal surface of second cushion cap wears to go out, first rag bolt with second rag bolt all is suitable for linking to each other with the tower footplate.

According to the power transmission line combined foundation, the foundation piles, the first bearing platform, the second bearing platform, the first main column and the second main column are arranged, so that the amount of foundation materials (compared with a four-leg combined foundation) can be reduced for a small-root open iron tower, and the split factory can be prefabricated and then transported to the site for assembly, so that the construction period can be greatly shortened, and the engineering investment can be saved.

In some embodiments, the transmission line combined foundation further comprises a third anchor bolt and a fourth anchor bolt, the third anchor bolt and the fourth anchor bolt are both embedded in the upper end of the foundation pile, at least part of the third anchor bolt extends out of the foundation pile and penetrates into the first bearing platform, and at least part of the fourth anchor bolt extends out of the foundation pile and penetrates into the second bearing platform.

In some embodiments, the foundation pile has a cavity extending in an up-down direction, an opening of the cavity being formed at an upper end of the foundation pile.

In some embodiments, the height of the first main column is not equal to the height of the second main column, or the height of the first main column is equal to the height of the second main column.

In some embodiments, at least one of the first and second anchor bolts comprises a first section and a second section, the first section is provided on the cap assembly, at least a portion of the first section extends out of the cap assembly and is connected to the lower end of the main column, and at least a portion of the second section is provided on the main column and extends out of the main column and is adapted to be connected to the tower foot plate.

In some embodiments, the transmission line combined foundation further comprises a first protection piece and a second protection piece, wherein the first protection piece is sleeved on the first main column, and the second protection piece is sleeved on the second main column.

In some embodiments, the upper end surface of the first bearing platform is provided with a first installation groove extending downwards along the up-down direction, the lower end part of the first main column is penetrated in the first installation groove, the inner circumferential surface of the first installation groove is attached to the outer circumferential surface of the first main column, the upper end surface of the second bearing platform is provided with a second installation groove extending downwards along the up-down direction, the lower end part of the second main column is penetrated in the second installation groove, and the inner circumferential surface of the second installation groove is attached to the outer circumferential surface of the first main column.

In some embodiments, the cross-sectional area of the first platform increases gradually in a direction adjacent to the second platform, and the cross-sectional area of the second platform increases gradually in a direction adjacent to the first platform.

In some embodiments, the transmission line joint foundation further comprises: the first fasteners are arranged on the upper end face of the bearing platform assembly, at least part of each first fastener extends out of the upper end face of the bearing platform assembly, one part of each first fastener is arranged on the upper end face of the first bearing platform and is adjacent to one side of the second bearing platform, the other part of each first fastener is arranged on the upper end face of the second bearing platform and is adjacent to one side of the first bearing platform, and the first plate and the second plate are integrally formed; the second fasteners are arranged on the lower end face of the bearing platform assembly, at least part of each second fastener extends out of the lower end face of the bearing platform assembly, one part of each second fastener is arranged on the lower end face of the first bearing platform and adjacent to one side of the second bearing platform, the other part of each second fastener is arranged on the lower end face of the second bearing platform and adjacent to one side of the first bearing platform, the third plate and the fourth plate are integrally formed, the third plate is arranged on the lower end face of the first bearing platform and connected with one part of the second fasteners, and the fourth plate is arranged on the lower end face of the second bearing platform and connected with the other part of the second fasteners.

In some embodiments, a first groove is formed in one side, adjacent to the second bearing platform, of the lower end face of the first bearing platform, a second groove is formed in one side, adjacent to the first bearing platform, of the lower end face of the second bearing platform, a third mounting groove is defined by the first groove and the second groove, the upper end portion of the foundation pile can be arranged in the third mounting groove in a penetrating mode, the power transmission line combined foundation further comprises a fifth plate and a plurality of third fasteners, one part of the third fasteners are embedded in the first groove and extend out of the inner peripheral face of the first groove, the other part of the third fasteners are embedded in the second groove and extend out of the inner peripheral face of the second groove, and the fifth plate is mounted in the first groove and the second groove through the third fasteners.

Drawings

Fig. 1 is a schematic structural diagram of a transmission line joint foundation according to a first embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a transmission line joint foundation according to a second embodiment of the present utility model.

Fig. 3 is a bottom view of a power transmission line joint foundation according to an embodiment of the present utility model.

Fig. 4 is a partial enlarged view of a in fig. 1.

A transmission line joint foundation 100;

a foundation pile 1; a cavity 11;

a bearing platform assembly 2; a first table 21; a second table 22;

a main column 3; a first main column 31; a second main column 32;

a first anchor bolt 4; a second anchor bolt 5; a first section 51; a second section 52; a third anchor bolt 6; a fourth anchor bolt 7; a first protector 8; a second protector 9; a first fastener 10; integrally formed first and second plates 101; a second fastener 102; integrally formed third and fourth plates 103;

a fifth plate 104; and a third fastener 105.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The transmission line joint foundation according to the embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the transmission line combined foundation 100 according to the embodiment of the present utility model includes a foundation pile 1, a table assembly 2, a main column 3, a first anchor bolt 4, and a second anchor bolt 5.

The foundation pile 1 extends in the up-down direction, the bearing platform assembly 2 comprises a first bearing platform 21 and a second bearing platform 22, the first bearing platform 21 and the second bearing platform 22 are arranged above the foundation pile 1 and are oppositely arranged in the first direction, and the first direction is orthogonal to the up-down direction. Specifically, as shown in fig. 1-2, the first direction is a left-right direction, and the first bearing platform 21 and the second bearing platform 22 are disposed opposite to each other along the left-right direction, and the first bearing platform 21 and the second bearing platform 22 are detachably disposed on the foundation pile 1.

The main column 3 includes a first main column 31 and a second main column 32, the first main column 31 and the second main column 32 each extend in the up-down direction, the first main column 31 is provided on the first table 21, and the second main column 32 is provided on the second table 22. Specifically, as shown in fig. 1 to 3, the first main column 31 and the second main column 32 are disposed at intervals in the left-right direction, the first main column 31 is detachably provided on the first deck 21, and the second main column 32 is detachably provided on the second deck 22.

The first rag bolt 4 is pre-buried in first principal post 31, the upper end of first rag bolt 4 stretches out first principal post 31 up end, the lower tip of first rag bolt 4 wears to establish in first cushion cap 21 and wears out from the lower terminal surface of first cushion cap 21, the second rag bolt 5 is pre-buried in second principal post 32, the upper end of second rag bolt 5 stretches out second principal post 32 up end, the lower tip of second rag bolt 5 wears to establish in second cushion cap 22 and wears out from the lower terminal surface of second cushion cap 22, first rag bolt 4 and second rag bolt 5 all are suitable for linking to each other with the tower footplate. Specifically, as shown in fig. 1-2, the first anchor bolt 4 is pre-buried in the first main column 31 and penetrates out from the first main column 31, the lower portion of the first anchor bolt 4 may be penetrated in the first pile cap 21 and extend out from the lower end surface of the first pile cap 21, so that the first main column 31 and the first pile cap 21 are detachably connected by tightening the lower end of the first anchor bolt 4 with nuts, the second anchor bolt 5 is pre-buried in the second main column 32 and penetrates out from the second main column 32, the lower portion of the second anchor bolt 5 may be penetrated in the second pile cap 22 and extend out from the lower end surface of the second pile cap 22, so that the second main column 32 and the second pile cap 22 are detachably connected by tightening the lower end of the second anchor bolt 5 with nuts, and the upper end of the first anchor bolt 4 and the upper end of the second anchor bolt 5 are both connected with the tower foot plate of the tower pole, so that the tower pole is mounted on the transmission line joint foundation 100.

In the power transmission line combined foundation 100 of the embodiment of the utility model, the foundation pile 1, the first bearing platform 21, the second bearing platform 22, the first main column 31 and the second main column 32 are arranged, so that the amount of foundation materials can be reduced for a small-root open iron tower (compared with a four-leg combined foundation), in addition, the foundation pile 1, the first bearing platform 21, the second bearing platform 22, the first main column 31 and the second main column 32 can be transported to the site for assembly after being split and prefabricated in a factory, the construction period can be greatly shortened, and the engineering investment can be saved.

In some embodiments, the transmission line combined foundation 100 further includes a third anchor bolt 6 and a fourth anchor bolt 7, where the third anchor bolt 6 and the fourth anchor bolt 7 are both embedded in the upper end of the foundation pile 1, at least part of the third anchor bolt 6 extends out of the foundation pile 1 and is inserted in the first bearing platform 21, and at least part of the fourth anchor bolt 7 extends out of the foundation pile 1 and is inserted in the second bearing platform 22. Specifically, as shown in fig. 1-2, the third anchor bolts 6 and the fourth anchor bolts 7 are multiple, the third anchor bolts 6 are pre-buried in the left half portion of the upper end portion of the foundation pile 1, the upper portion of the third anchor bolts 6 extends out of the upper end face of the foundation pile 1, the upper portion of the third anchor bolts 6 can penetrate through the first bearing platform 21 from the lower end portion of the right end of the first bearing platform 21 and is fastened through anchor nuts, so that the first bearing platform 21 and the foundation pile 1 are detachably mounted through the third anchor bolts 6, the fourth anchor bolts 7 are pre-buried in the right half portion of the upper end portion of the foundation pile 1, the upper portion of the fourth anchor bolts 7 extends out of the upper end face of the foundation pile 1, and the upper portion of the fourth anchor bolts 7 can penetrate through the second bearing platform 22 from the lower end portion of the left end of the second bearing platform 22 and is fastened through the anchor nuts, so that the second bearing platform 22 and the foundation pile 1 are detachably mounted through the fourth anchor bolts 7.

In some embodiments, the foundation pile 1 has a cavity 11 extending in the up-down direction, and an opening of the cavity 11 is formed at an upper end of the foundation pile 1, or the length of the first main column 31 is equal to the length of the second main column 32. Specifically, as shown in fig. 1-2, the upper end surface of the foundation pile 1 is provided with a cavity 11 extending downwards along the up-down direction, so that after the foundation pile 1 is installed in a foundation pit, part of residual soil generated by excavation of the foundation pit can be filled in the cavity 11, the anti-pulling bearing capacity of the foundation pile 1 can be increased, the material quantity of the foundation pile 1 can be saved, and meanwhile, the treatment engineering quantity of part of residual soil is reduced.

In some embodiments, the height of the first main column 31 is not equal to the height of the second main column 32, or the height of the first main column 31 is higher than equal to the height of the second main column 32. Specifically, the height of the first main column 31 and the height of the second main column 32 may be set according to actual conditions, for example: when the topography is fluctuated, the tower position can be adapted to the topography requirement at the tower position by adjusting the height of the first main column 31 and the height of the second main column 32, as shown in fig. 2, the first main column 31 is lower than the second main column 32, or the first main column 31 is higher than the second main column 32, so that when the transmission line combined foundation 100 is installed in the foundation pit, the upper end face of the first main column 31 and the upper end face of the second main column 32 are located on the same horizontal plane, and further the installation of the tower pole is ensured, and when the topography is flat, the heights of the first main column 31 and the second main column 32 are equal, as shown in fig. 1.

It is to be understood that the width and thickness of the first main column 31 and the width and thickness of the second main column 32 are not limited, and the width and thickness of the first main column 31 and the width and thickness of the second main column 32 may be equal or unequal, which are set according to practical situations.

When the first main column 31 or the second main column 32 is too high, in order to save material of the first anchor bolt 4 and the second anchor bolt 5, therefore, in some embodiments, at least one of the first anchor bolt 4 and the second anchor bolt 5 includes a first section 51 and a second section 52, the first section 51 is pre-embedded on the platform assembly 2, at least part of the first section 51 extends out of the platform assembly 2 and is connected to the lower end of the main column 3, the second section 52 is pre-embedded on the main column 3 and at least part of the second section 52 extends out of the main column 3 and is adapted to be connected to a tower foot plate. Specifically, as shown in fig. 2, the first section 51 and the second section 52 are disposed in the first main column 31 or the second main column 32 at intervals along the up-down direction, and the first section 51 and the second section 52 of the embodiment of the present utility model are specifically described below by taking the second main column 32 as an example, the first section 51 is pre-buried on the second bearing platform 22, the upper end of the first section 51 is penetrating the lower end of the second main column 32, the lower end of the second section 52 is pre-buried on the upper half section of the second main column 32, and the upper end of the second end extends out of the upper end face of the second main column 32, so that the second main column 32 can be connected to the tower through the penetrating of the upper end of the second section 52 on the tower foot.

In some embodiments, the transmission line combined foundation 100 further includes a first protection member 8 and a second protection member 9, where the first protection member 8 is sleeved on the first main column 31, and the second protection member 9 is sleeved on the second main column 32. Specifically, the first protection piece 8 and the second protection piece 9 can be cast in situ by concrete, when the tower foot plate is installed behind the first anchor bolt 4 and the second anchor bolt 5, the first anchor bolt 4, the second anchor bolt 5 and the tower foot plate of the iron tower are sealed by concrete, so that the first anchor bolt 4, the second anchor bolt 5 and the tower foot plate are prevented from being knocked and rusted by external environments, and the anchor bolt 4, the second anchor bolt 5 and the tower foot plate can be prevented from being stolen.

In some embodiments, the cross-sectional area of the first abutment 21 increases gradually in a direction adjacent to the second abutment 22, and the cross-sectional area of the second abutment 22 increases gradually in a direction adjacent to the first abutment 21. Specifically, as shown in fig. 1-2, the upper end surfaces of the first bearing platform 21 and the second bearing platform 22 are horizontal planes, the cross-sectional area of the left part of the first bearing platform 21 in the up-down direction is gradually increased, and the cross-sectional area component of the right part of the second bearing platform 22 is increased, so that the arrangement of the first bearing platform 21 and the second bearing platform 22 is more reasonable, and the service lives of the first bearing platform 21 and the second bearing platform 22 are prolonged.

In some embodiments, the transmission line joint foundation 100 further includes a plurality of first fasteners 10 and integrally formed first and second plates 101.

A plurality of first fasteners 10 are provided on the upper end face of the pallet assembly 2, at least a portion of each first fastener 10 extends from the upper end face of the pallet assembly 2, a portion of the plurality of first fasteners 10 is provided on the upper end face of the first pallet 21 and adjacent to one side of the second pallet 22, another portion of the plurality of first fasteners 10 is provided on the upper end face of the second pallet 22 and adjacent to one side of the first pallet 21, a first plate is provided on the upper end face of the first pallet 21 and connected to a portion of the first fasteners 10, and a second plate is provided on the upper end face of the second pallet 22 and connected to another portion of the first fasteners 10. Specifically, as shown in fig. 1 and 4, a part of the first fastening member 10 is embedded at the right end of the upper end surface of the first bearing platform 21 and extends out of the upper end surface of the first bearing platform 21, another part of the first fastening member 10 is embedded at the left end of the upper end surface of the second bearing platform 22 and extends out of the upper end surface of the second bearing platform 22, the first plate and the second plate are an integral steel plate, the first plate is connected with a part of the first fastening member 10 through nuts, so that the first plate is fixed on the first bearing platform 21, the second plate is connected with another part of the first fastening member 10 through nuts, so that the second plate is fixed on the second bearing platform 22, and therefore, the first bearing platform 21 and the second bearing platform 22 are connected into a whole through the first fastening member 10, the first plate and the second plate, and the compression resistance and the service performance of the first bearing platform 21 and the second bearing platform 22 are ensured.

It should be noted that the number of the first and second integrally formed plates 101 may be plural, and the plural first and second integrally formed plates 101 are disposed on the platform assembly 2 at intervals along the front-rear direction and are fixed on the platform assembly 2 by the first fastening members 10, which is not specifically described in the present utility model.

In some embodiments, the transmission line joint foundation 100 further includes a plurality of second fasteners 102, integrally formed third and fourth plates 103.

A plurality of second fasteners 102 are provided on the lower end face of the pallet assembly 2, at least a portion of each second fastener 102 extends from the lower end face of the pallet assembly 2, a portion of the plurality of second fasteners 102 is provided on the lower end face of the first pallet 21 and adjacent to one side of the second pallet 22, another portion of the plurality of second fasteners 102 is provided on the lower end face of the second pallet 22 and adjacent to one side of the first pallet 21, a third plate is provided on the lower end face of the first pallet 21 and connected to a portion of the second fasteners 102, and a fourth plate is provided on the lower end face of the second pallet 22 and connected to another portion of the second fasteners 102. Specifically, as shown in fig. 1 and 4, a part of the second fastening member 102 is embedded at the right end of the lower end surface of the first bearing platform 21 and extends out of the lower end surface of the second bearing platform 22, another part of the second fastening member 102 is embedded at the left end of the lower end surface of the second bearing platform 22 and extends out of the lower end surface of the second bearing platform 22, the third plate and the fourth plate are an integral steel plate, and the third plate is connected with a part of the second fastening member 102 through nuts, so that the third plate is fixed on the first bearing platform 21, the fourth plate is connected with another part of the second fastening member 102 through nuts, so that the fourth plate is fixed on the second bearing platform 22, and therefore, the first bearing platform 21 and the second bearing platform 22 are connected into a whole through the second fastening member 102, the third plate and the fourth plate, and integral stress performance and usability of the first bearing platform 21 and the second bearing platform 22 are ensured.

It should be noted that the number of the third and fourth integrally formed plates 103 may be plural, and the plural third and fourth integrally formed plates 103 are disposed on the platform assembly 2 at intervals along the front-rear direction and are fixed on the platform assembly 2 by the first fastening members 10, which is not specifically described in the present utility model.

In some embodiments, the upper end surface of the first bearing platform 21 is provided with a first mounting groove extending downward in the up-down direction, the lower end portion of the first main column 31 is penetrated in the first mounting groove (not shown in the figure), the inner circumferential surface of the first mounting groove is attached to the outer circumferential surface of the first main column 31, the upper end surface of the second bearing platform 22 is provided with a second mounting groove (not shown in the figure) extending downward in the up-down direction, the lower end portion of the second main column 32 is penetrated in the second mounting groove, and the inner circumferential surface of the second mounting groove is attached to the outer circumferential surface of the first main column 31. Thereby, through the arrangement of the first mounting groove and the second mounting groove, the mounting positions are provided for the first main column 31 and the second main column 32, the first main column 31 and the second main column 32 are prevented from deviating from the preset positions when the first main column 31 and the second main column 32 are mounted, the mounting errors of the first main column 31 and the second main column 32 are reduced, and the mounting efficiency of the first main column 31 and the second main column 32 is improved.

In some embodiments, a first groove (not shown) is formed in a side, adjacent to the second platform 22, of the lower end surface of the first platform 21, a second groove (not shown) is formed in a side, adjacent to the first platform 21, of the lower end surface of the second platform 22, the first groove and the second groove define a third installation groove, an upper end portion of the foundation pile 1 can be inserted into the third installation groove, the transmission line combined foundation 100 further includes a fifth plate 104 and a plurality of third fasteners 105, one portion of the plurality of third fasteners 105 is embedded in the first groove and extends from an inner circumferential surface of the first groove, another portion of the plurality of third fasteners 105 is embedded in the second groove and extends from an inner circumferential surface of the second groove, and the fifth plate 104 is installed in the first groove and the second groove by the third fasteners 105. Specifically, as shown in fig. 1 and 4, a first groove is formed in the left side of the lower end surface of the first pile cap 21, a second groove is formed in the right side of the lower end surface of the second pile cap 22, and thus the first groove and the second groove are formed into a third mounting groove and can be penetrated at the upper end portion of the foundation pile 1, so that a mounting position is provided for the pile cap assembly 2 to be mounted on the foundation pile 1, the installation pile cap assembly 2 and the foundation pile 1 are prevented from deviating from a preset position when the pile cap assembly 2 and the foundation pile 1 are mounted, the mounting errors of the installation pile cap assembly 2 and the foundation pile 1 are reduced, and the stability of the installation of the first pile cap 21 and the second pile cap 22 is ensured due to the arrangement of the fifth plate 104 and the plurality of third fasteners 105.

The combined foundation 100 of the power transmission line is suitable for towers with small foundation root opening, such as small voltage class and narrow foundation towers, of the power transmission line, and the problem of foundation collision of four independent legs often occurs due to small root opening, and finally 4 legs are combined to be designed into an integral foundation, so that the amount of foundation materials is increased. Compared with the four-leg combined foundation designed for the conventional straight line tower adjacent two-leg combined foundation of the transmission line and the tension tower differential tension and compression foundation, the assembled two-leg combined foundation of the transmission line saves the amount of foundation materials, the period of foundation construction accounts for about 70% of the period of the whole line engineering construction, the construction period of the cast-in-situ foundation is long due to the fact that the construction period of links such as binding, formwork supporting, pouring and maintenance is considered, and the engineering investment of the cast-in-situ foundation is greatly increased compared with that of the assembled foundation. Therefore, the assembled double-leg combined foundation can reduce the amount of foundation materials, reduce construction risks, be beneficial to water and soil conservation and shorten the construction period, and further can obviously reduce engineering construction investment. In addition, the tower site where the topography is undulating can be adapted to the topography requirements at the tower site by adjusting the height of the first main column 31 or the second main column 32.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A power transmission line joint foundation, comprising:

the foundation pile extends along the up-down direction;

the bearing platform assembly comprises a first bearing platform and a second bearing platform, the first bearing platform and the second bearing platform are arranged above the foundation pile and are oppositely arranged along a first direction, and the first direction is orthogonal to the up-down direction;

the main columns comprise first main columns and second main columns, the first main columns and the second main columns extend in the vertical direction, the first main columns are arranged on the first bearing platform, and the second main columns are arranged on the second bearing platform;

first rag bolt and second rag bolt, first rag bolt is pre-buried in the interior of first principal post, first rag bolt's upper end stretches out first principal post up end, first rag bolt's lower tip wears to establish in the first cushion cap and follow the lower terminal surface of first cushion cap wears to go out, second rag bolt is pre-buried in the second principal post, second rag bolt's upper end stretches out second principal post up end, second rag bolt's lower tip wears to establish in the second cushion cap and follow the lower terminal surface of second cushion cap wears to go out, first rag bolt with second rag bolt all is suitable for linking to each other with the tower footplate.

2. The transmission line combined foundation according to claim 1, further comprising a third anchor bolt and a fourth anchor bolt, wherein the third anchor bolt and the fourth anchor bolt are both embedded in the upper end of the foundation pile, at least part of the third anchor bolt extends out of the foundation pile and penetrates into the first bearing platform, and at least part of the fourth anchor bolt extends out of the foundation pile and penetrates into the second bearing platform.

3. The transmission line combined foundation according to claim 1, wherein the foundation pile has a cavity extending in an up-down direction, and an opening of the cavity is formed at an upper end of the foundation pile.

4. The transmission line joint foundation according to claim 1, wherein the height of the first main column is not equal to the height of the second main column or the height of the first main column is equal to the height of the second main column.

5. The transmission line joint foundation according to claim 1, wherein at least one of the first and second anchor bolts comprises a first section and a second section, the first section being provided on the platform assembly, at least part of the first section extending out of the platform assembly and being connected to the lower end of the main column, and the second section being provided on the main column and at least part of the second section extending out of the main column and being adapted to be connected to the tower foot plate.

6. The transmission line joint foundation of claim 1, further comprising a first protection member and a second protection member, wherein the first protection member is sleeved on the first main column, and the second protection member is sleeved on the second main column.

7. The power transmission line combined foundation according to claim 1, wherein the first bearing platform upper end face is provided with a first mounting groove extending downwards along the up-down direction, the lower end portion of the first main column is penetrated in the first mounting groove, the inner peripheral face of the first mounting groove is attached to the outer peripheral face of the first main column, the second bearing platform upper end face is provided with a second mounting groove extending downwards along the up-down direction, the lower end portion of the second main column is penetrated in the second mounting groove, and the inner peripheral face of the second mounting groove is attached to the outer peripheral face of the first main column.

8. The transmission line joint foundation according to claim 1, wherein the cross-sectional area of the first platform increases gradually in a direction adjacent to the second platform, and the cross-sectional area of the second platform increases gradually in a direction adjacent to the first platform.

9. The transmission line joint foundation of claim 1, further comprising:

a plurality of first fasteners, a plurality of first fasteners are arranged on the upper end face of the bearing platform assembly, at least part of each first fastener extends out from the upper end face of the bearing platform assembly, one part of the plurality of first fasteners is arranged on the upper end face of the first bearing platform and is adjacent to one side of the second bearing platform, the other part of the plurality of first fasteners is arranged on the upper end face of the second bearing platform and is adjacent to one side of the first bearing platform,

the first plate is arranged on the upper end face of the first bearing platform and is connected with one part of the first fastening pieces, and the second plate is arranged on the upper end face of the second bearing platform and is connected with the other part of the first fastening pieces;

a plurality of second fasteners arranged on the lower end face of the bearing platform assembly, at least part of each second fastener extends out from the lower end face of the bearing platform assembly, one part of the second fasteners is arranged on the lower end face of the first bearing platform and is adjacent to one side of the second bearing platform, the other part of the second fasteners is arranged on the lower end face of the second bearing platform and is adjacent to one side of the first bearing platform,

the third plate is arranged on the lower end face of the first bearing platform and is connected with one part of the second fastening pieces, and the fourth plate is arranged on the lower end face of the second bearing platform and is connected with the other part of the second fastening pieces.

10. The transmission line combined foundation according to claim 1, wherein a first groove is formed in one side, adjacent to the second bearing platform, of the lower end face of the first bearing platform, a second groove is formed in one side, adjacent to the first bearing platform, of the lower end face of the second bearing platform, the first groove and the second groove define a third installation groove, the upper end portion of the foundation pile can be arranged in the third installation groove in a penetrating mode,

the power transmission line combined foundation further comprises a fifth plate and a plurality of third fasteners, one part of each of the third fasteners is embedded in the first groove and extends out of the inner peripheral surface of the first groove, the other part of each of the third fasteners is embedded in the second groove and extends out of the inner peripheral surface of the second groove, and the fifth plate is installed in the first groove and the second groove through the third fasteners.