CN106567598A - Electric pole assembly capable of being dismounted rapidly and assembling method thereof - Google Patents
Electric pole assembly capable of being dismounted rapidly and assembling method thereof Download PDFInfo
- Publication number
- CN106567598A CN106567598A CN201610992931.3A CN201610992931A CN106567598A CN 106567598 A CN106567598 A CN 106567598A CN 201610992931 A CN201610992931 A CN 201610992931A CN 106567598 A CN106567598 A CN 106567598A
- Authority
- CN
- China
- Prior art keywords
- pin
- electric pole
- pole assembly
- cement
- size
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000004568 cement Substances 0.000 claims abstract description 33
- 238000010276 construction Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims abstract 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/48—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B2001/5893—Puzzle type connections
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention provides an electric pole assembly capable of being dismounted rapidly and an assembling method thereof, and relates to the technical field of electric power equipment. The electric pole assembly capable of being dismounted rapidly comprises a body. A cylindrical boss is arranged at the upper end of the body. A tenon is arranged on the cylindrical boss. A cylindrical groove is formed in the lower end of the body. A mortise is arranged above the cylindrical groove. The shape and size of the cylindrical boss are matched with the shape and size of the cylindrical groove, and the shape and size of the tenon are matched with the shape and size of the mortise. A cable hole is formed in the central axis of the body. Pin holes with the same size are formed in identical positions of the cylindrical boss and the cylindrical groove and used for mounting a cement pin, the two ends of the cement pin are each connected with a protective gasket and a cement nut in sequence, and each protective gasket is of an arc-shaped structure. A construction rope fixing pile is arranged on the outer wall of the body. The electric pole assembly capable of being dismounted rapidly is reasonable in structure, proper in size, convenient to transport and capable of being dismounted and assembled easily and rapidly, and the joint is firm and safe; and the production process is simple, the cost is low, and the electric pole assembly capable of being dismounted rapidly and the assembling method thereof are suitable for being used and popularized widely.
Description
Technical field
The present invention relates to power equipment technical field, and in particular to a kind of quick-detachable electric pole assembly and its assembling
Method.
Background technology
Now, the electric wire of the transmission line of electricity of rural power grids is supported using concrete wire pole, the weight of concrete wire pole
Greatly, cause to transport and install inconvenience.Rural area is again in the upgrading of rural power grids for carrying out a new round, transport and electric pole energy easy for installation
Transformation enough for rural power grids is saved substantial amounts of fund and saves substantial amounts of labour force.
Such as China Patent No. CN201510468569.5, publication date is that a kind of utility model on December 16th, 2015 is special
A kind of combination type electric pole is disclosed in profit, connecting seat is fixed with its fixed seat, connecting shaft through the pin-and-hole on connecting seat and
The pin-and-hole of load bearing seat bottom links together connecting seat and load bearing seat；Internal taper hole is with male cone (strobilus masculinus) with merga pass breaker slot and system
Dynamic head coordinates and the inner conical surface and male cone (strobilus masculinus) for posting that be automatically locked, and gravity cone is provided with load bearing seat；In the electricity for assembling
Porcelain insulator is partly fixed with above a uppermost roofbolt of line bar；The invention realizes the tandem compound of electric pole, is
It is actually used to provide convenience, but the inventive structure is complicated, and installation junction stability is not strong, and service life is also very limited, and
High cost.
The content of the invention
It is to solve that inconvenience, junction are transported and installed present in prior art for the deficiencies in the prior art
The problems such as steadiness difference, the invention provides a kind of quick-detachable electric pole assembly, is readily transported, installation method is simply fast
Victory, and junction is stably firmly, long service life.
To realize object above, the present invention is achieved by the following technical programs：
A kind of quick-detachable electric pole assembly, including body, described body cross-section is circle；Described body
Upper end arranges cylindrical boss, and tenon is arranged on described cylindrical boss, and the lower end of described body arranges cylinder shape groove,
The top of described cylinder shape groove arranges the fourth of the twelve Earthly Branches, the shape and size and described cylinder shape groove of described cylindrical boss
Shape and size are equipped with, and the shape and size of described tenon are equipped with the shape and size at the described fourth of the twelve Earthly Branches；It is described
Body axial line on cable entry port is set, at the same position in described cylindrical boss and described cylinder shape groove
The pin-and-hole of same size is provided with, described pin-and-hole is used to install cement pin, and the two ends of described cement pin are sequentially connected protection
Pad and cement nut, the protection pad is arc-shaped structure, the radius of the inwall circular arc of described protection pad with it is described
Body radius it is equal；Described body outer wall arranges construction rope spud pile；
A kind of assemble method of quick-detachable electric pole assembly, it is characterised in that comprise the following steps：
First, described tenon is inserted in the described fourth of the twelve Earthly Branches and is compacted, while described cylindrical boss and described cylinder
Pin-and-hole on connected in star connects to leading to；
2nd, by the described pin-and-hole of described cement pin insertion；
3rd, described protection pad is installed at the two ends of described cement pin；
4th, described cement nut is installed in the outside of described protection pad, makes described cement pin axial restraint.
Further, the cross section of described tenon is " cross " shape structure.
Further, the axial line of described pin-and-hole and described cylindrical boss and the axle of described cylinder shape groove
Heart line intersects.
Further, the axial line of described pin-and-hole is in described cylindrical boss and described cylinder shape groove
Between position.
Further, described cement nut is threaded connection with the two ends of described cement pin.
Further, quantity >=2 of described construction rope spud pile.
The invention provides a kind of quick-detachable electric pole assembly and its assemble method, with existing known technology phase
Than having the advantages that：
1st, electric pole assembly moderate length of the invention, is readily transported.
2nd, the present invention is connected using joinery and its construction, and junction is stably firmly, safe and reliable.
3rd, assemble method simple and fast of the present invention, and it is easy to disassemble, substantially increase electric operating efficiency.
4th, material used in the present invention and processing technique are with low cost, and assembling tool can directly use common tool,
Effectively reduce production cost and use cost.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the sectional view of the electric pole assembly of the present invention；
Fig. 2 is the top view of the electric pole assembly of the present invention；
Fig. 3 is the structural representation of the protection pad of the present invention；
Fig. 4 is the assembling schematic diagram of the electric pole assembly of the present invention；
Top view after Fig. 5 this electric pole assembly assembling of the invention；
Fig. 6 is the connection sectional view of the cement pin of the present invention；
Label in figure is represented respectively：1- bodies；2- cylindrical bosses；3- tenons；4- cylinder shape grooves；The 5- fourths of the twelve Earthly Branches；6- sells
Hole；7- protects pad；8- cement pins；9- cement nuts；10- construction rope spud piles；11- cable entry ports.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment：
A kind of quick-detachable electric pole assembly of the present embodiment, including body 1, the cross section of body 1 is circle；Body
1 upper end arranges cylindrical boss 2, and tenon 3 is arranged on cylindrical boss 2, and the lower end of body 1 arranges cylinder shape groove 4, cylinder
The top of groove 4 arranges the fourth of the twelve Earthly Branches 5, and shape and size and the shape and size of cylinder shape groove 4 of cylindrical boss 2 are equipped with,
The shape and size of tenon 3 are equipped with the shape and size at the fourth of the twelve Earthly Branches 5；Cable entry port 11, cylinder are set on the axial line of body 1
The pin-and-hole 6 of same size is provided with same position in shape boss 2 and cylinder shape groove 4, pin-and-hole 6 is used to install cement pin 8,
The two ends of cement pin 8 are sequentially connected protection pad 7 and cement nut 9, and protection pad 7 is arc-shaped structure, protects the interior of pad 7
The radius of wall circular arc is equal with the radius of body 1；The outer wall of body 1 arranges construction rope spud pile 10；The cross section of tenon 3 is " ten
Word " shape structure；The axial line of pin-and-hole 6 intersects with the axial line of cylindrical boss 2 and cylinder shape groove 4；The axial line of pin-and-hole 6 exists
The centre position of cylindrical boss 2 and cylinder shape groove 4；Cement nut 9 is threaded connection with the two ends of cement pin 8；It is described
Construction rope spud pile 10 quantity >=2.
The assemble method of the quick-detachable electric pole assembly of the present embodiment is：
First, tenon 3 is inserted in the fourth of the twelve Earthly Branches 5 and is compacted, while the pin-and-hole on cylindrical boss 2 and cylinder shape groove 46 pairs leads to
Connect；
2nd, cement pin 8 is inserted in pin-and-hole 6；
3rd, protection pad 7 is installed at the two ends of cement pin 8；
4th, cement nut 9 is installed in the outside of protection pad 7, makes the axial restraint of cement pin 8.
The electric pole assembly moderate length of the present embodiment, is readily transported, assemble method simple and fast, easily operation, and even
Meet place stable firm, it is safe and reliable；And material and process costs are cheap, assembling tool is simple, effectively reduce production cost and
Use cost, is suitable to promote the use of.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that a series of process, method, article or equipment including key elements not only will including those
Element, but also including other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Above example only to illustrate technical scheme, rather than a limitation；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (7)
1. a kind of quick-detachable electric pole assembly, it is characterised in that including body (1), described body (1) cross section is
It is circular；Described body (1) upper end arranges cylindrical boss (2), and tenon (3) is arranged on described cylindrical boss (2), described
The lower end of body (1) cylinder shape groove (4) is set, the top of described cylinder shape groove (4) arranges the fourth of the twelve Earthly Branches (5), described circle
The shape and size of cylindrical end tangs (2) are equipped with the shape and size of described cylinder shape groove (4), described tenon
(3) shape and size are equipped with the shape and size at the described fourth of the twelve Earthly Branches (5)；Arrange on the axial line of described body (1)
Cable entry port (11), is provided with identical at the same position in described cylindrical boss (2) and described cylinder shape groove (4)
The pin-and-hole (6) of size, for installing cement pin (8), the two ends of described cement pin (8) are sequentially connected guarantor to described pin-and-hole (6)
Protective pad piece (7) and cement nut (9), protection pad (7) is arc-shaped structure, and the inwall of described protection pad (7) is justified
The radius of arc is equal with the radius of described body (1)；Described body (1) outer wall arranges construction rope spud pile (10).
2. quick-detachable electric pole assembly as claimed in claim 1, it is characterised in that described tenon (3) it is transversal
Face is " cross " shape structure.
3. quick-detachable electric pole assembly as claimed in claim 1, it is characterised in that the axle center of described pin-and-hole (6)
Line intersects with the axial line of described cylindrical boss (2) and described cylinder shape groove (4).
4. quick-detachable electric pole assembly as claimed in claim 1, it is characterised in that the axle center of described pin-and-hole (6)
Line is arranged on the centre position of described cylindrical boss (2) and described cylinder shape groove (4).
5. quick-detachable electric pole assembly as claimed in claim 1, it is characterised in that described cement nut (9) with
The two ends of described cement pin (8) are threaded connection.
6. quick-detachable electric pole assembly as claimed in claim 1, it is characterised in that described construction rope spud pile
(10) quantity >=2.
7. a kind of assemble method of quick-detachable electric pole assembly, it is characterised in that comprise the following steps：
First, in the described fourth of the twelve Earthly Branches (5) of described tenon (3) insertion and will be compacted, while described cylindrical boss (2) and described
Pin-and-hole (6) on cylinder shape groove (4) connects to leading to；
2nd, by the described pin-and-hole (6) of described cement pin (8) insertion；
3rd, described protection pad (7) is installed at the two ends of described cement pin (8)；
4th, described cement nut (9) is installed in the outside of described protection pad (7), makes described cement pin (8) axially solid
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992931.3A CN106567598A (en) | 2016-11-11 | 2016-11-11 | Electric pole assembly capable of being dismounted rapidly and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992931.3A CN106567598A (en) | 2016-11-11 | 2016-11-11 | Electric pole assembly capable of being dismounted rapidly and assembling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106567598A true CN106567598A (en) | 2017-04-19 |
Family
ID=58541490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610992931.3A Withdrawn CN106567598A (en) | 2016-11-11 | 2016-11-11 | Electric pole assembly capable of being dismounted rapidly and assembling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106567598A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060100A (en) * | 2017-04-20 | 2017-08-18 | 金达建设有限公司 | One kind assembles detachable house architectural structure and its construction method entirely |
| CN107740540A (en) * | 2017-11-28 | 2018-02-27 | 清华大学 | Mortise and tenon type steel core concrete column connector |
| CN110453965A (en) * | 2019-08-15 | 2019-11-15 | 安徽凯越电力杆塔有限公司 | A kind of sectional annular concrete electric pole |
| CN111894192A (en) * | 2020-08-07 | 2020-11-06 | 杭州紫腾材科技有限公司 | Building steel structure waterproof roof and construction method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1155030A (en) * | 1996-10-07 | 1997-07-23 | 邓庚厚 | Building support upright column for top-lifting type building method |
| CN201517327U (en) * | 2009-05-18 | 2010-06-30 | 江山欧派门业有限公司 | Tongue and groove connection structure |
| CN201660997U (en) * | 2010-04-13 | 2010-12-01 | 苏鸿 | Building block for well wall |
| CN202129749U (en) * | 2010-11-11 | 2012-02-01 | 西安天元航空科技有限公司 | Device for dismounting screw of guide rail of airplane wheel |
| CN203361194U (en) * | 2013-07-15 | 2013-12-25 | 徐水县华光市政建材有限公司 | Building block for wall body of arc-shaped well wall and hollow cylindrical well wall body |
| CN204835720U (en) * | 2015-06-15 | 2015-12-02 | 吴庆宇 | Electric power transmission device |
| CN204850651U (en) * | 2015-06-15 | 2015-12-09 | 吴庆宇 | Wireless electric power transmission device |
| CN204900571U (en) * | 2015-06-18 | 2015-12-23 | 无锡商业职业技术学院 | Coupling |
| CN106030004A (en) * | 2014-02-13 | 2016-10-12 | 塞蒂米奥·卡斯泰利 | Modular structural system |
-
2016
- 2016-11-11 CN CN201610992931.3A patent/CN106567598A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1155030A (en) * | 1996-10-07 | 1997-07-23 | 邓庚厚 | Building support upright column for top-lifting type building method |
| CN201517327U (en) * | 2009-05-18 | 2010-06-30 | 江山欧派门业有限公司 | Tongue and groove connection structure |
| CN201660997U (en) * | 2010-04-13 | 2010-12-01 | 苏鸿 | Building block for well wall |
| CN202129749U (en) * | 2010-11-11 | 2012-02-01 | 西安天元航空科技有限公司 | Device for dismounting screw of guide rail of airplane wheel |
| CN203361194U (en) * | 2013-07-15 | 2013-12-25 | 徐水县华光市政建材有限公司 | Building block for wall body of arc-shaped well wall and hollow cylindrical well wall body |
| CN106030004A (en) * | 2014-02-13 | 2016-10-12 | 塞蒂米奥·卡斯泰利 | Modular structural system |
| CN204835720U (en) * | 2015-06-15 | 2015-12-02 | 吴庆宇 | Electric power transmission device |
| CN204850651U (en) * | 2015-06-15 | 2015-12-09 | 吴庆宇 | Wireless electric power transmission device |
| CN204900571U (en) * | 2015-06-18 | 2015-12-23 | 无锡商业职业技术学院 | Coupling |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060100A (en) * | 2017-04-20 | 2017-08-18 | 金达建设有限公司 | One kind assembles detachable house architectural structure and its construction method entirely |
| CN107740540A (en) * | 2017-11-28 | 2018-02-27 | 清华大学 | Mortise and tenon type steel core concrete column connector |
| CN107740540B (en) * | 2017-11-28 | 2019-11-22 | 清华大学 | Mortise and tenon type steel core concrete column connector |
| CN110453965A (en) * | 2019-08-15 | 2019-11-15 | 安徽凯越电力杆塔有限公司 | A kind of sectional annular concrete electric pole |
| CN111894192A (en) * | 2020-08-07 | 2020-11-06 | 杭州紫腾材科技有限公司 | Building steel structure waterproof roof and construction method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20170419 |