CN208309619U - Pole and tower foundation - Google Patents
Pole and tower foundation Download PDFInfo
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- CN208309619U CN208309619U CN201820501117.1U CN201820501117U CN208309619U CN 208309619 U CN208309619 U CN 208309619U CN 201820501117 U CN201820501117 U CN 201820501117U CN 208309619 U CN208309619 U CN 208309619U
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- precast body
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Abstract
The utility model discloses a kind of pole and tower foundations, belong to transmission line of electricity technical field.The pole and tower foundation includes: upper precast body, lower precast body and multiple first connectors, multiple second connectors；The lower end of upper precast body is connect by the first connector with the lower precast body, and is provided between isolation cushion and upper precast body and the first connector between upper precast body and lower precast body and is provided with resilient sleeve；For connecting with shaft tower, lower end is embedded in precast body for the upper end of second connector.The utility model is by being arranged isolation cushion between upper precast body and lower precast body, and resilient sleeve is provided between upper precast body and the first connector, it can earthquake energy, pole and tower foundation is set to generate the effect of damping and shock insulation, so that quasi- stationary state or stationary state will be located at by making the shaft tower on precast body top.
Description
Technical field
The utility model relates to transmission line of electricity technical field, in particular to a kind of pole and tower foundation.
Background technique
Important component of the pole and tower foundation as transmission line of electricity is arranged between shaft tower and ground, by shaft tower to it
Active force it is steady, be successfully transferred in ground, the unstability without causing ground.When transmission line of electricity is saturation by way of Site Soil
When the high earthquake intensity area of sand or saturation silt, if earthquake occurs for this area, it is existing that liquefaction is occurred by earthquake effect for ground
As causing pole and tower foundation and shaking, and then had an impact to shaft tower and its power circuit carried.
To solve the above-mentioned problems, the prior art generallys use replacement cushion method, specifically, being first made into plain soil or dirt
Bed course, then by the bed course and transmission line of electricity by way of high earthquake intensity area in saturated sand or saturation silt set
It changes, i.e., with the processing method of soil system soil.
The existing technology has at least the following problems for utility model people discovery:
If saturated sand in high earthquake intensity area or saturation silt are located at deeper soil layer, be unfavorable for bed course and
Saturated sand or saturation silt are replaced, this will increase operation intensity and activity duration.
Utility model content
The utility model embodiment provides a kind of pole and tower foundation, can solve the above problem.The technical solution is as follows:
A kind of pole and tower foundation, the pole and tower foundation includes: upper precast body, lower precast body and multiple first connectors, more
A second connector；
The lower end of the upper precast body is connect by first connector with the lower precast body, and the upper precast body
Be provided between the lower precast body between isolation cushion and the upper precast body and first connector be arranged it is flexible
Set；
For connecting with shaft tower, lower end is embedded in the upper precast body for the upper end of second connector.
In a kind of possible design, the upper precast body includes: from top to bottom sequentially connected first precast body, second
Precast body；
The size of first precast body is less than the size of second precast body；
The top of first precast body is provided with second connector, and second precast body connects by described first
Fitting is connect with the lower precast body.
In a kind of possible design, first precast body, second precast body side of being shape structure.
In a kind of possible design, multiple first suspension hooks are set on the side wall of first precast body.
In a kind of possible design, the lower precast body includes: third precast body, is set in the third precast body
The 4th precast body；
The roof of the third precast body is the inclined-plane tilted down；
4th precast body is connect by first connector with second precast body.
In a kind of possible design, first connector includes: the first foundation bolt and is arranged described first
The first nut on the screw rod of foundation bolt；
The head of first foundation bolt is fixed in the 4th precast body, and screw rod passes through the isolation cushion, and leads to
First nut is crossed to be fixed in second precast body；
Second connector includes: the second foundation bolt, and is arranged on the screw rod of second foundation bolt
Second nut；
The head of second foundation bolt is arranged in first precast body, and screw rod passes through first precast body,
To connect with the shaft tower, and the roof of second nut and the first precast body offsets.
In a kind of possible design, prefabricated through-hole is provided on second precast body；
The prefabricated through-hole includes: major diameter through-hole, the path through-hole for being from top to bottom sequentially connected to and being coaxially disposed, and the
The screw rod upper end of one foundation bolt is located at the major diameter through-hole, in the path through-hole simultaneously, and first nut is arranged in institute
It states in major diameter through-hole, the elasticity is set in the path through-hole；
Be also filled with cement slurry protective cap in the major diameter through-hole, with seal the screw rod of first foundation bolt with it is described
Gap between resilient sleeve, the resilient sleeve and second precast body.
In a kind of possible design, it is provided on the roof of the 4th precast body for accommodating the recessed of the isolation cushion
Slot.
In a kind of possible design, the pole and tower foundation further include: partition；
The diaphragm housing ring is mounted in the outside of second precast body lower end, and offsets with the side wall of the groove.
In a kind of possible design, multiple second suspension hooks are provided on the roof of the third precast body.
Technical solution provided by the embodiment of the utility model has the benefit that
Pole and tower foundation provided by the embodiment of the utility model, by the way that shock insulation is arranged between upper precast body and lower precast body
Pad, and is provided with resilient sleeve between upper precast body and the first connector, can earthquake energy, subtract pole and tower foundation generation
The effect of shake and shock insulation, so that quasi- stationary state or stationary state will be located at by making the shaft tower on precast body top.In addition, this is practical
The not only preparation cost for the pole and tower foundation that new embodiment body provides is low, compared with prior art, preparation cost is low 7%~
15%, there is excellent economic benefit；And convenient for construction, compared with prior art, the construction period can save 60%~80%.
To sum up, pole and tower foundation anti-seismic performance provided by the embodiment of the utility model is good, and working procedure is simple, and preparation cost is low, is applicable in
There is the transmission line foundation of shockproof requirements in high seismic intensity area.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of pole and tower foundation provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of upper precast body provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of lower precast body provided by the embodiment of the utility model；
Fig. 4 is the schematic top plan view of pole and tower foundation provided by the embodiment of the utility model.
Wherein, each label declaration in attached drawing is as follows:
The upper precast body of 1-；
The first precast body of 101-；
The second precast body of 102-；
The prefabricated through-hole of 1021-；
1021a- major diameter through-hole；
1021b- path through-hole；
Precast body under 2-；
201- third precast body；
The 4th precast body of 202-；
2021- groove；
The first connector of 3-；
The second connector of 4-；
5- isolation cushion；
6- resilient sleeve；
The first suspension hook of 7-；
8- cement slurry protective cap；
9- partition；
The second suspension hook of 10-.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
The utility model embodiment provides a kind of pole and tower foundation, and as shown in Fig. 1, pole and tower foundation includes: upper precast body
1, lower precast body 2 and multiple first connectors 3, multiple second connectors 4；The lower end of upper precast body 1 passes through the first connector 3
It is connect with lower precast body 2, and is provided with isolation cushion 5 and upper precast body 1 and first between upper precast body 1 and lower precast body 2 and connects
Resilient sleeve 6 is provided between fitting 3；For connecting with shaft tower, lower end is embedded in precast body 1 for the upper end of second connector 4.
The working principle with regard to pole and tower foundation provided by the embodiment of the utility model, which is given, below describes:
When the area where pole and tower foundation when an earthquake occurs, with ground left and right or upper and lower movement occurs for lower precast body 2,
Under lower press loading effect, upper precast body 1, isolation cushion 5 generate larger frictional force between lower precast body 2, and isolation cushion 5 is in this process
The middle a large amount of seismic energy of consumption, and it is provided with resilient sleeve 6 between upper precast body 1 and the first connector 3, further consumption one
Divide seismic energy, pole and tower foundation is made to generate the effect of damping and shock insulation, so that it will be quasi- quiet to be located at the shaft tower on 1 top of precast body will
Only or stationary state.
As it can be seen that pole and tower foundation provided by the embodiment of the utility model, by being set between upper precast body 1 and lower precast body 2
Set isolation cushion 5, and be provided with resilient sleeve 6 between upper precast body 1 and the first connector 3, can earthquake energy, make shaft tower
Basis generates the effect of damping and shock insulation, so that quasi- stationary state or stationary state will be located at by making the shaft tower on 1 top of precast body.
In addition, the not only preparation cost for the pole and tower foundation that the utility model embodiment body provides is low, and compared with prior art, preparation cost
Low 7%~15%, there is excellent economic benefit；And convenient for construction, compared with prior art, the construction period can save 60%
~80%.
To sum up, pole and tower foundation anti-seismic performance provided by the embodiment of the utility model is good, and working procedure is simple, preparation cost
It is low, there is the transmission line foundation of shockproof requirements suitable for high seismic intensity area.
As shown in Fig. 2, in the utility model embodiment, precast body includes: sequentially connected first prefabricated from top to bottom
Body 101, the second precast body 102；Size of the size of first precast body 101 less than the second precast body 102；First precast body 101
Top be provided with the second connector 4, the second precast body 102 is connect by the first connector 3 with the lower precast body 2.
By being as above arranged, the preparation cost of shaft tower and upper precast body 1 can be effectively supported.
It should be noted that if the first precast body 101, the second precast body 102 are cylindrical body, then the first precast body 101
Diameter less than the second precast body 102 diameter；If the first precast body 101, the second precast body 102 are square body, first
Side length of the side length of precast body 101 less than the second precast body 102.
Wherein, the first precast body 101 and the second precast body 102 can integrated molding, to improve the intensity of upper precast body 1,
And then increase anti seismic efficiency.For example, the first precast body 101 and the second precast body 102 can be in such a way that concrete be poured
Preparation obtains.
About the configuration aspects of the first precast body 101, the second precast body 102, for the ease of the first precast body 101 of preparation,
Second precast body 102, in the utility model embodiment, the first precast body 101,102 side's of being shape structure of the second precast body.It is making
When standby, square dies is usually selected to prepare the first precast body 101 and the second precast body 102, i.e., is injected into square dies mixed
Solidifying soil, to form the first precast body 101 and the second precast body 102 of integrated moldingization.
For the ease of the lifting and installation of upper precast body 1, as shown in Fig. 1, in the utility model embodiment, first is prefabricated
Multiple first suspension hooks 7 are set on the side wall of body 101.
By the way that the first suspension hook 7 is arranged, upper precast body 1 can be hung to the top of lower precast body 2, convenient for upper precast body 1 under
Precast body 2 is docked, and then realizes the connection of upper precast body 1 and lower precast body 2.
The utility model embodiment does not limit the installation number of the first suspension hook 7, such as can be in the first precast body 101
Side wall on be arranged 4~6 the first suspension hooks 7.
As shown in Fig. 3, in the utility model embodiment, lower precast body 2 includes: third precast body 201, is set in third
The 4th precast body 202 in precast body 201；The roof of third precast body 201 is the inclined-plane tilted down；4th precast body 202
It is connect by the first connector 3 with the second precast body 102.
By the inclined-plane for being arranged to tilt down by the roof of third precast body 201, it can both increase third precast body 201 and lean on
The thickness of one end of nearly second precast body 102, to improve the anti-shear ability of third precast body 201, so that it is prefabricated under can increasing
The anti seismic efficiency of body 2；Also the thickness waste of one end in third precast body 201 far from the second precast body 102, Jin Erke be can avoid
Reduce the cost of manufacture of lower precast body 2.
Wherein, third precast body 201 and the 4th precast body 202 can integrated molding, to improve the intensity of lower precast body 2,
And then increase anti seismic efficiency.For example, third precast body 201 and the 4th precast body 202 can be in such a way that concrete be poured
Preparation obtains.
About the configuration aspects of third precast body 201, the 4th precast body 202, the utility model embodiment is for the ease of system
Standby third precast body 201, the 4th precast body 202 usually select square dies to prepare third precast body 201, the 4th precast body
202, i.e., concrete is injected, into square dies to form third precast body 201, the 4th precast body 202 of integrated moldingization.
It should be noted that the above-mentioned square dies for being used to prepare lower precast body 2 include: from top to bottom sequentially be connected to it is big
Square box, positive truncated rectangular pyramids cabinet.
It is above-mentioned both for connect the second precast body 102, the first connector 3 of the 4th precast body 202 can be set to a variety of knots
Structure, under the premise of simple based on structure, as shown in Fig. 1, in the utility model embodiment, the first connector 3 includes: first
Foundation bolt and the first nut being arranged on the screw rod of the first foundation bolt；The head of first foundation bolt is fixed on
In four precast bodies 202, screw rod passes through isolation cushion 5, and is fixed in the second precast body 102 by the first nut.Similarly, as attached
Shown in Fig. 1, in the utility model embodiment, the second connector 4 includes: the second foundation bolt, and is arranged in the second lower margin spiral shell
The second nut on the screw rod of bolt；The head of second foundation bolt is arranged in the first precast body 101, and it is prefabricated that screw rod passes through first
Body 101, to connect with shaft tower, and the roof of the second nut and the first precast body 101 offsets.
It is understood that the first foundation bolt, the second foundation bolt include: sequentially connected head, screw rod.
Above-mentioned first foundation bolt can be uniformly distributed along the circumferential direction of the second precast body 102 (referring to attached drawing 4), so that second is pre-
102 uniform force of body processed, and then the shock resistance of precast body 1 can be improved.About the number of the first foundation bolt, this is practical new
Type embodiment is arranged 4,8 or 12, does not carry out concrete restriction to the number of the first foundation bolt.
Mainly related with the structure of shaft tower about the number of the second foundation bolt, if shaft tower has 4 pillars, this is practical
The number of the second foundation bolt is set as 4 in new embodiment, in order to which shaft tower to be connect with the second foundation bolt.
Wherein, as shown in Fig. 2, prefabricated through-hole 1021 is provided on the second precast body 102；Prefabricated through-hole 1021 includes:
Major diameter through-hole 1021a, the path through-hole 1021b for being from top to bottom sequentially connected to and being coaxially disposed, and the screw rod of the first foundation bolt
Upper end is located at simultaneously in major diameter through-hole 1021a, path through-hole 1021b, and the first nut is arranged in major diameter through-hole 1021a, elasticity
Set 6 is arranged in path through-hole 1021b；It is also filled with cement slurry protective cap 8 in major diameter through-hole 1021a, to seal the first lower margin
Gap between the screw rod and resilient sleeve 6 of bolt, resilient sleeve 6 and the second precast body 102.
It should be noted that above-mentioned cement slurry protective cap 8 refers to the protective cap being made with cement slurry, applying
When, directly cement slurry can be applied in major diameter through-hole 1021a, cement slurry protective cap 8 can be formed after to be solidified, with sealing
The gap between gap and resilient sleeve 6 and the second precast body 102 between the screw rod and resilient sleeve 6 of first foundation bolt.
By the way that cement slurry protective cap 8 is arranged in the major diameter through-hole 1021a in the second precast body 102, external water can avoid
It enters in path through-hole 1021b, to protect the first foundation bolt, the first nut.
For the ease of the screw rod of the first foundation bolt is passed through the prefabricated through-hole that isolation cushion 5 enters to the second precast body 102
In 1021, as shown in Fig. 1, in the utility model embodiment, it is provided on the roof of the 4th precast body 202 for accommodating shock insulation
The groove 2021 of pad 5.
By being as above arranged, isolation cushion 5 can be accurately positioned, to improve the installation effectiveness of pole and tower foundation.
It should be noted that the structure of groove 2021 is adapted with the structure of isolation cushion 5, so that groove 2021 can be effectively right
Isolation cushion 5 plays position-limiting action.For example, if isolation cushion 5 is square shape structure, groove 2021 is also square structure, and recessed
The width of slot 2021 is equal or slightly larger than the width of isolation cushion 5, such as can big 1mm~2mm.
Wherein, isolation cushion 5 can be directly placed into groove 2021, or be arranged in groove 2021 by way of stickup.
In order to guarantee that lower end surface and the roof of isolation cushion 5 of the second precast body 102 offset, in the utility model embodiment,
The width of isolation cushion 5 is greater than the width of the second precast body 102.
Isolation cushion 5, the second precast body 102 based on above structure, in order to avoid external sand grains or water enter to the 4th in advance
In the groove 2021 of body 202 processed, and isolation cushion 5 is damaged, in this regard, as shown in Fig. 1, in the utility model embodiment, shaft tower base
Plinth further include: partition 9；Institute's partition 9 is sleeved on the outside of 102 lower end of the second precast body, and offsets with the side wall of groove 2021.
As shown in Fig. 1, in the utility model embodiment, it is provided with multiple second on the roof of third precast body 201 and hangs
Hook 10, convenient for the lifting and installation of lower precast body 2.
The utility model embodiment does not limit the installation number of the second suspension hook 10, such as can be in third precast body
4~6 the second suspension hooks 10 are set on 201 side wall.
In order to improve the shock resistance of pole and tower foundation, in the utility model embodiment, upper precast body 1, lower precast body 2 are logical
Cross armored concrete preparation obtain, isolation cushion 5, resilient sleeve 6 material be rubber.
The work progress of pole and tower foundation provided by the embodiment of the utility model is described below:
Excavation pit, casting concrete bed course lift by crane lower precast body 2, place lower precast body 2 according to predetermined position；It will be every
Shake pad 5 is arranged in lower precast body 2 in the groove 2021 of the 4th precast body 202, and makes the first lower margin being located in lower precast body 2
The screw rod of bolt passes through isolation cushion 5；It rises and hangs on precast body 1, by the prefabricated through-hole in upper precast body 1 on second precast body 102
The screw rod of 1021 the first foundation bolts of alignment, is placed on isolation cushion 5, righting in place, and fasten the first ground using the first nut
Foot bolt；Cement slurry is smeared into the major diameter through-hole 1021a of the second precast body 102, forms cement slurry protective cap after to be solidified
8, with seal the first foundation bolt screw rod and resilient sleeve 6 between gap and resilient sleeve 6 and the second precast body 102 between
Gap；External in 102 lower end of the second precast body installs partition 9, and partition 9 and the side wall of groove 2021 is made to offset, with close
Seal isolation cushion 5.
All the above alternatives can form the alternative embodiment of the disclosure, herein no longer using any combination
It repeats one by one.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of pole and tower foundation, which is characterized in that the pole and tower foundation includes: upper precast body (1), lower precast body (2) and more
A first connector (3), multiple second connectors (4)；
The lower end of the upper precast body (1) is connect by first connector (3) with the lower precast body (2), and it is described on
Isolation cushion (5) and the upper precast body (1) and described first is provided between precast body (1) and the lower precast body (2) to connect
Resilient sleeve (6) are provided between fitting (3)；
For connecting with shaft tower, lower end is embedded in the upper precast body (1) for the upper end of second connector (4).
2. pole and tower foundation according to claim 1, which is characterized in that the upper precast body (1) includes: from top to bottom sequentially
The first precast body (101), the second precast body (102) of connection；
The size of first precast body (101) is less than the size of second precast body (102)；
The top of first precast body (101) is provided with second connector (4), and second precast body (102) passes through
First connector (3) connect with the lower precast body (2).
3. pole and tower foundation according to claim 2, which is characterized in that first precast body (101), described second prefabricated
Body (102) side of being shape structure.
4. pole and tower foundation according to claim 2, which is characterized in that be arranged on the side wall of first precast body (101)
Multiple first suspension hooks (7).
5. pole and tower foundation according to claim 2, which is characterized in that the lower precast body (2) includes: third precast body
(201), the 4th precast body (202) being set in the third precast body (201)；
The roof of the third precast body (201) is the inclined-plane tilted down；
4th precast body (202) is connect by first connector (3) with second precast body (102).
6. pole and tower foundation according to claim 5, which is characterized in that first connector (3) includes: the first lower margin spiral shell
Bolt and the first nut being arranged on the screw rod of first foundation bolt；
The head of first foundation bolt is fixed in the 4th precast body (202), and screw rod passes through the isolation cushion (5),
And it is fixed in second precast body (102) by first nut；
Second connector (4) includes: the second foundation bolt, and be arranged on the screw rod of second foundation bolt
Two nuts；
In first precast body (101), screw rod passes through first precast body for the head setting of second foundation bolt
(101), to connect with the shaft tower, and the roof of second nut and the first precast body (101) offsets.
7. pole and tower foundation according to claim 6, which is characterized in that be provided on second precast body (102) prefabricated
Through-hole (1021)；
The prefabricated through-hole (1021) includes: major diameter through-hole (1021a), the path for being from top to bottom sequentially connected to and being coaxially disposed
Through-hole (1021b), and the screw rod upper end of the first foundation bolt is located at the major diameter through-hole (1021a), the path through-hole simultaneously
In (1021b), in the major diameter through-hole (1021a), the resilient sleeve (6) is arranged in the path for the first nut setting
In through-hole (1021b)；
Cement slurry protective cap (8) are also filled in the major diameter through-hole (1021a), to seal the screw rod of first foundation bolt
With the gap between the resilient sleeve (6), the resilient sleeve (6) and second precast body (102).
8. pole and tower foundation according to claim 5, which is characterized in that be arranged on the roof of the 4th precast body (202)
There is the groove (2021) for accommodating the isolation cushion (5).
9. pole and tower foundation according to claim 8, which is characterized in that the pole and tower foundation further include: partition (9)；
The partition (9) is sleeved on the outside of the second precast body (102) lower end, and the side wall phase with the groove (2021)
It supports.
10. pole and tower foundation according to claim 5, which is characterized in that be arranged on the roof of the third precast body (201)
There are multiple second suspension hooks (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820501117.1U CN208309619U (en) | 2018-04-10 | 2018-04-10 | Pole and tower foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820501117.1U CN208309619U (en) | 2018-04-10 | 2018-04-10 | Pole and tower foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208309619U true CN208309619U (en) | 2019-01-01 |
Family
ID=64718240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820501117.1U Active CN208309619U (en) | 2018-04-10 | 2018-04-10 | Pole and tower foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208309619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177029A (en) * | 2020-09-15 | 2021-01-05 | 重庆首页工程设计咨询有限责任公司 | Electric power tower foundation |
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2018
- 2018-04-10 CN CN201820501117.1U patent/CN208309619U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177029A (en) * | 2020-09-15 | 2021-01-05 | 重庆首页工程设计咨询有限责任公司 | Electric power tower foundation |
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