CN215595147U - Uneven settlement lifting adjusting device for tower foot of power transmission tower - Google Patents
Uneven settlement lifting adjusting device for tower foot of power transmission tower Download PDFInfo
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- CN215595147U CN215595147U CN202121134646.0U CN202121134646U CN215595147U CN 215595147 U CN215595147 U CN 215595147U CN 202121134646 U CN202121134646 U CN 202121134646U CN 215595147 U CN215595147 U CN 215595147U
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Abstract
The utility model relates to a non-uniform settlement lifting adjusting device for a tower foot of a power transmission tower, belonging to the technical field of power transmission towers; the tower foot connecting piece is connected with the tower foot through the supporting base plate; the tower foot connecting piece is fixed with a tower foot mounting bottom plate of the power transmission iron tower through a tower foot mounting bolt; the bottom of each foundation bolt is embedded and fixed on an iron tower installation foundation, the top of each foundation bolt extends upwards through the corresponding tower foot connecting piece, and the upper part of each foundation bolt is in threaded connection with a locking nut; a support base plate is arranged between the lower end surface of the tower foot connecting piece and the upper end surface of the iron tower installation foundation, and the support base plate is composed of a plurality of layers of vertically arranged support plate groups; two jack fixed slots are symmetrically arranged on two sides of the lower end face of the tower foot connecting plate respectively, the lower ends of the jack fixed slots are movably connected with jacks, and bases of the jacks are arranged on the iron tower installation basis, so that the problem that internal tension cannot be released due to uneven settlement of four tower feet of the existing power transmission iron tower is solved.
Description
Technical Field
The utility model belongs to the technical field of power transmission towers, and particularly relates to a non-uniform settlement lifting adjusting device for tower feet of a power transmission tower.
Background
The goaf tower of the power transmission line has the problems that the tower material is deformed and the tower falling and line breaking accidents happen in severe cases due to the fact that the mountain body where the goaf tower is located deforms and the four-leg foundation is not uniformly settled.
For the goaf tower to incline, the general treatment measures are that the ground wire hanging pulley releases tension, and the tower body is provided with a temporary stay wire for reinforcement. However, the iron tower is an integral assembled by tower materials, internal tension is generated due to uneven settlement of four tower legs, and the tower materials deform if the internal tension cannot be released.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art and provides a device for adjusting uneven settlement and lifting of a tower foot of a power transmission tower; the problem that internal tension cannot be released due to uneven settlement of four tower legs of the existing power transmission tower is solved.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
A non-uniform settlement lifting adjusting device for a tower foot of a power transmission tower comprises a tower foot connecting piece, a supporting base plate, foundation bolts, locking nuts and jacks; the tower foot connecting piece is arranged at the top of the lifting adjusting device, a plurality of tower foot mounting bolts are arranged on the upper end face of the tower foot connecting piece, the positions of the tower foot mounting bolts correspond to the positions of the mounting holes of the tower foot mounting bottom plate of the power transmission tower, the tower foot mounting bottom plate of the power transmission tower is sleeved on the tower foot mounting bolts, and the tower foot mounting bottom plate of the power transmission tower and the tower foot connecting piece are fixed through fixing nuts; the number of the foundation bolts is a plurality, the bottoms of the foundation bolts are embedded and fixed on an iron tower installation foundation, the tops of the foundation bolts extend upwards through the tower foot connecting piece, and the upper parts of the foundation bolts, which penetrate through the tower foot connecting piece, are in threaded connection with locking nuts; the lower end face of the tower foot connecting piece is provided with a supporting base plate, the supporting base plate is composed of a plurality of layers of supporting plate groups which are vertically arranged, and the supporting plate groups are arranged between the lower end face of the tower foot connecting piece and the upper end face of the iron tower installation foundation; two jack fixing grooves are symmetrically arranged on two sides of the lower end face of the tower foot connecting plate respectively, and the inner diameter of each jack fixing groove is slightly larger than the outer diameter of the top of each jack; the lower extreme swing joint of jack fixed slot has the jack, the base of jack set up in on the iron tower installation basis, the top of jack sets up under the jack fixed slot.
Furthermore, the tower foot connecting piece is of a square plate-shaped structure, and the lower end face of the tower foot connecting piece is provided with an inwards concave groove.
Further, the support backing plate is arranged in the groove.
Furthermore, the jack fixing grooves are formed in the protruding portions on two sides of the groove in the lower end face of the tower foot connecting plate.
Furthermore, the supporting cushion plate group on each layer is composed of four supporting cushion plates, each supporting cushion plate is of a square plate-shaped structure with the same size, a square slot in the width direction is formed in each supporting cushion plate, and the width of each square slot is slightly larger than the outer diameter of each foundation bolt.
Furthermore, the four supporting base plates are mutually spliced to form a complete square structure, and at the moment, the four foundation bolts are respectively positioned in the square slots of the four supporting base plates.
Compared with the prior art, the utility model has the following beneficial effects:
according to the lifting adjusting device provided by the utility model, when a certain tower foot of the power transmission tower has a settlement problem, the tower foot can be restored to the original position only by loosening the locking nut on the foundation bolt, jacking the tower foot connecting piece by putting the jack and inserting the new supporting base plate, and other operations are not needed, so that the tension generated by uneven settlement of the tower foot of the power transmission tower is released, and the lifting adjusting device is more convenient and quicker. After the recovery, the jack is withdrawn, and then the next tower foot can be adjusted and reused, so that the adjustment cost is reduced.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a sectional view A-A of FIG. 1;
wherein, 1 is a tower foot, 2 is a tower foot connecting piece, 3 is an iron tower installation foundation, 4 is a foundation bolt, 5 is a locking nut, 6 is a tower foot installation bolt, 7 is a fixing nut, 8 is a supporting base plate, 9 is a jack fixing groove, and 10 is a jack.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1-2, the utility model provides a non-uniform settlement lifting adjusting device for a tower foot of a power transmission tower, which comprises a tower foot connecting piece 2, a supporting base plate 8, a foundation bolt 4, a locking nut 5 and a jack 10.
The tower foot connecting piece 2 is arranged at the top of the lifting adjusting device. The tower foot connecting piece 2 is of a square plate-shaped structure, the lower end face of the tower foot connecting piece 2 is provided with an inwards concave groove, and the upper end face of the tower foot connecting piece is connected with the tower foot 1 of the power transmission iron tower.
Four tower foot mounting bolts 6 are arranged on the upper end face of the tower foot connecting piece 2, and the positions of the tower foot mounting bolts 6 correspond to the positions of the mounting holes of the tower foot mounting bottom plate of the power transmission tower. The power transmission tower foot mounting bottom plate is sleeved on the tower foot mounting bolt 6 and is fixed with the tower foot connecting piece 2 through the fixing nut 7.
The number of the foundation bolts 4 is four, the bottoms of the foundation bolts are pre-buried and fixed on an iron tower installation foundation 3, the tops of the foundation bolts extend upwards to pass through the tower foot connecting piece 2, the foundation bolts 4 penetrate through the upper portion of the tower foot connecting piece 2 and are in threaded connection with the locking nuts 5, and the tower foot connecting piece 2 and the iron tower installation foundation 3 are fixed through the matching of the foundation bolts 4 and the locking nuts 5.
The support base plate 8 is arranged in a groove in the lower end face of the tower foot connecting piece 2, the support base plate 8 is composed of a plurality of layers of support plate groups which are vertically arranged, and the support plate groups are arranged between the lower end face of the tower foot connecting piece 2 and the upper end face of the iron tower installation foundation 3. The supporting pad group on each layer comprises four supporting base plates 8, each supporting base plate 8 is of a square plate-shaped structure with the same size, a square slot in the width direction is formed in each supporting base plate 8, and the width of each square slot is slightly larger than the outer diameter of each foundation bolt 4.
The four supporting base plates 8 are mutually spliced to form a complete square structure, and at the moment, the four foundation bolts 4 are respectively positioned in the square slots of the four supporting base plates 8.
The protruding parts of the two sides of the groove of the lower end face of the tower foot connecting plate 2 are symmetrically provided with two jack fixing grooves 9 respectively, the jack fixing grooves 9 are inwards concave cylindrical grooves, and the inner diameter of each jack fixing groove 9 is slightly larger than the outer diameter of the top of each jack 10.
The lower end of the jack fixing groove 9 is movably connected with a jack 10, the base of the jack 10 is arranged on the iron tower installation foundation 3, and the top of the jack 10 is arranged under the jack fixing groove 9.
The working principle of the utility model is as follows:
when the iron tower installation foundation 3 of the power transmission iron tower is unevenly settled, the locking nuts 5 on the upper parts of the four foundation bolts 4 are loosened, the tower foot connecting piece 2 and the iron tower installation foundation 3 are separated and fixed, and the tower foot connecting piece 2 can be moved upwards.
Then, the four jacks 10 are respectively arranged at the lower ends of the four jack fixing grooves 9 of the tower foot connecting piece 2, the bases of the jacks 10 are placed on the iron tower installation foundation 3, the tops of the jacks 10 are placed under the jack fixing grooves 9, the tops of the jacks 10 are moved to the insides of the jack fixing grooves 9 by operating the jacks 10, and meanwhile, the top end faces of the jacks 10 are in close contact with the bottom faces of the jack fixing grooves 9.
And then, the jacks 10 are continuously operated, the four jacks 10 work together, the tower foot connecting piece 2 is lifted to the initial position, at the moment, the supporting base plate 8 is inserted between the tower foot connecting piece 2 and the iron tower installation foundation 3, the square slot on the supporting base plate 8 is ensured to be inserted into the foundation bolt 4 until the upper end face of the supporting base plate 8 is contacted with the lower end face of the tower foot connecting piece 2 again, at the moment, the jacks 10 are controlled to be retracted, and the tower foot connecting plate 2 and the iron tower installation foundation 3 are completely supported by the supporting base plate 8.
And finally, the locking nuts 5 on the foundation bolts 4 are fixed on the foundation bolts 4 again, and the tower foot connecting plate 2 is fixed with the iron tower installation foundation 3 again, so that the sinking amount of the iron tower installation foundation 3 is supplemented by the newly inserted supporting base plate 8, the tower feet 1 return to the initial height position again, and the tension of the power transmission tower caused by the uneven settlement of the tower feet 1 is released.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a transmission tower column foot differential settlement lift adjustment device which characterized in that: comprises a tower foot connecting piece (2), a supporting base plate (8), a foundation bolt (4), a locking nut (5) and a jack (10);
the tower foot connecting piece (2) is arranged at the top of the lifting adjusting device, a plurality of tower foot mounting bolts (6) are arranged on the upper end face of the tower foot connecting piece (2), the positions of the tower foot mounting bolts (6) correspond to the positions of mounting holes of a tower foot mounting bottom plate of the power transmission tower, the tower foot mounting bottom plate of the power transmission tower is sleeved on the tower foot mounting bolts (6), and the tower foot mounting bottom plate of the power transmission tower is fixed with the tower foot connecting piece (2) through fixing nuts (7);
the number of the foundation bolts (4) is a plurality, the bottoms of the foundation bolts are embedded and fixed on an iron tower installation foundation (3), the tops of the foundation bolts extend upwards through the tower foot connecting piece (2), and the upper parts of the foundation bolts (4) penetrating through the tower foot connecting piece (2) are in threaded connection with locking nuts (5);
the lower end face of the tower foot connecting piece (2) is provided with a supporting base plate (8), the supporting base plate (8) is composed of a plurality of layers of supporting plate groups which are vertically arranged, and the supporting plate groups are arranged between the lower end face of the tower foot connecting piece (2) and the upper end face of the iron tower installation foundation (3);
two jack fixing grooves (9) are symmetrically formed in two sides of the lower end face of the tower foot connecting plate (2), and the inner diameter of each jack fixing groove (9) is slightly larger than the outer diameter of the top of each jack (10);
the lower extreme swing joint of jack fixed slot (9) has jack (10), the base of jack (10) set up in on iron tower installation basis (3), the top of jack (10) sets up under jack fixed slot (9).
2. The uneven settlement lifting adjusting device for the tower foot of the power transmission tower as claimed in claim 1, wherein: the tower foot connecting piece (2) is of a square plate-shaped structure, and the lower end face of the tower foot connecting piece (2) is provided with an inwards concave groove.
3. The uneven settlement lifting adjusting device for the tower foot of the power transmission tower as claimed in claim 2, wherein: the supporting base plate (8) is arranged in the groove.
4. The uneven settlement lifting adjusting device for the tower foot of the power transmission tower as claimed in claim 2, wherein: the jack fixing grooves (9) are formed in the protruding portions on the two sides of the groove in the lower end face of the tower foot connecting plate (2).
5. The uneven settlement lifting adjusting device for the tower foot of the power transmission tower as claimed in claim 1, wherein: the supporting pad group on each layer comprises four supporting base plates (8), each supporting base plate (8) is of a square plate-shaped structure with the same size, a square slot in the width direction is formed in each supporting base plate (8), and the width of each square slot is slightly larger than the outer diameter of each foundation bolt (4).
6. The uneven settlement lifting adjusting device for the tower foot of the power transmission tower as claimed in claim 5, wherein: the four supporting base plates (8) are mutually spliced to form a complete square structure, and at the moment, the four foundation bolts (4) are respectively positioned in the square slots of the four supporting base plates (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121134646.0U CN215595147U (en) | 2021-05-25 | 2021-05-25 | Uneven settlement lifting adjusting device for tower foot of power transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121134646.0U CN215595147U (en) | 2021-05-25 | 2021-05-25 | Uneven settlement lifting adjusting device for tower foot of power transmission tower |
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| CN215595147U true CN215595147U (en) | 2022-01-21 |
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| CN202121134646.0U Active CN215595147U (en) | 2021-05-25 | 2021-05-25 | Uneven settlement lifting adjusting device for tower foot of power transmission tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991198A (en) * | 2022-08-03 | 2022-09-02 | 山西龙炘电力工程有限公司 | Goaf transmission tower foundation and foundation reinforcing and adjusting method |
-
2021
- 2021-05-25 CN CN202121134646.0U patent/CN215595147U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991198A (en) * | 2022-08-03 | 2022-09-02 | 山西龙炘电力工程有限公司 | Goaf transmission tower foundation and foundation reinforcing and adjusting method |
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