CN202488072U - Pre-twisted suspension clamp - Google Patents
Pre-twisted suspension clamp Download PDFInfo
- Publication number
- CN202488072U CN202488072U CN2011205071310U CN201120507131U CN202488072U CN 202488072 U CN202488072 U CN 202488072U CN 2011205071310 U CN2011205071310 U CN 2011205071310U CN 201120507131 U CN201120507131 U CN 201120507131U CN 202488072 U CN202488072 U CN 202488072U
- Authority
- CN
- China
- Prior art keywords
- lining
- bolt
- lead
- suspension clamp
- housing
- 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.)
- Expired - Fee Related
Links
- 239000000725 suspension Substances 0.000 title abstract description 9
- 229920001971 elastomer Polymers 0.000 claims abstract description 10
- 238000002788 crimping Methods 0.000 abstract description 3
- 239000010931 gold Substances 0.000 description 14
- 229910052737 gold Inorganic materials 0.000 description 14
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 13
- 230000035882 stress Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 229910001296 Malleable iron Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010042209 Stress Diseases 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 150000002343 gold Chemical class 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model relates to a pre-twisted suspension clamp which includes a housing (1), a lining (3), a rubber pad (4), a bolt (2), and a pre-twisted wire (5). The inside of the bottom of the housing (1) is a tubular through cavity. The pre-twisted wire (5) passes through the tubular through cavity. The lining (3) is perpendicular to the tubular through cavity and is clamped on the outside of the middle of the housing (1). Two walls on the upper part of the housing are provided with two opposite screw holes, and the bolt (2) passes through the screw holes, and then is fixed. The pre-twisted suspension clamp adopts the light spiral pre-twisted wire, the lining, and the bolt to form a fastening structure, so the assembly can be carried out by hand without using other special-purpose crimping tools. The gripping force of the suspension clamp is big, and the weight of the suspension clamp is light. The gripping force is guaranteed, and at the same time, the centripetal pressure is effectively eliminated, so the stress concentration phenomenon is prevented, and consequently the damage on a suspension place is not easy to occur, and the normal service lifetime of a system is guaranteed.
Description
Technical field
The utility model relates to mounting technique or device International Classification of Patents H02G cable or electric wire or optical cable and cable or electric wire combination, a kind of pre-hinged catenarian cable cleat in especially preformed electric armour clamp or the preformed optical fiber cable fitting field.
Background technology
At present, send electric wire widely used iron or aluminum metal-ware, be referred to as gold utensil.Gold utensil fitting, all kinds of devices in connection and the combination of power system are to transmit the metal-ware of machinery, electrical load or certain protective action.Gold utensil is of a great variety, and purposes is different, for example; The various wire clamps that lead is used are installed, are formed the various links of insulator string, connect various aluminium hydraulic pressed connecting pipes, the repair sleeve of lead; Various types of conductor spacers on the bundle conductor etc.; All kinds of backguy gold utensils that also have shaft tower to use in addition, and relevant as the size of guardwire, must work in coordination.
Most of gold utensil is in operation and need bears bigger pulling force, and what have will guarantee simultaneously that also the contact of electric aspect is good, and it is concerning the safety of lead or shaft tower, even a damage also possibly cause line fault.Therefore, the quality of gold utensil, correctly use and install, send electricity that certain influence is arranged the safety of circuit.Such as, electric armour clamp electric power fitting connect and the combination of power system in all kinds of devices, transmitting machinery, electrical load and play the metal-ware of certain protective action.
The gold utensil that China is defeated at electric power for a long time, use on the distribution line adopt basically ferrous metal be main material be mostly the screw bolt-type gold utensil; Though this gold utensil is at aspect technical maturities such as construction, installation, operation, maintenance, processing; But Design and Machining is considered mechanically stressed emphatically and casting; Forge the application of processing technology, so thick heaviness on this classification product structure, installation is very loaded down with trivial details; Very easily cause failing, the conductor cord disconnection or the breakage of distribution line, the safe operation of serious threat electric power transmission line network.From operation experience for many years; Screw bolt-type series electric armour clamp all exists obvious defects with not enough in engineering construction and operation maintenance: such as; The screw bolt-type gold utensil is selected malleable cast iron or the like magnetic material for use; Magnetic hysteresis loss that ferromagnetic material produces and eddy current loss increase line loss, and the circuit energy consumption strengthens; Such as, the thick heaviness of structure, the construction equipment transportation is inconvenient, and is hard during fastening working expenditure during installation; Such as, be difficult for inspection effect is installed; For another example, rigid structure is bigger to built on stilts cable vibration abrasion; For another example, influence the useful life of cable; And, when the creep of circuit lead in service and wire tension, stress changed by diameter of wire, sliding phenomenon can appear.Want regular fastening maintenance for this reason, produce high cost; And, the screw bolt-type gold utensil, even material is a malleable cast iron, high energy consumption in the production and processing and environmental pollution do not meet the modern economic major premise of environmental protection.
Yet the aluminium alloy crimping line hardware that after this occurs does not still change the product heaviness, the defective that inconvenience is carried, and lead is crimped the back at the wire clamp line outlet simultaneously, and the stress concentration phenomenon is arranged.Need special-purpose assorted mould and large hydraulic facility during construction, bring great difficulty, particularly alpine belt operation, particularly inconvenience to construction.
Disclosed related patent U.S. Patent No. document is also less; Use pre-hinged catenarian cable cleat such as 200,420,032,711 1 kinds of overhead transmission lines of number of patent application; By the rigidity clamping plate, wire clip body and spring chuck constitute, and spring chuck is made up of two elastic clips; The centre is provided with the axial groove that can let lead pass through, and it is dolioform that outer surface is hyperbola; Wire clip body is arranged equably by the metal preformed armor rods of many preformed curls and is wound in; Wire clip body is placed in outside the spring chuck; And extend axially along the spring chuck two ends; The preformed tow that has axial core hole in the middle of forming, it is identical with the profile of spring chuck that it is placed in the outer part of spring chuck, for hyperbola dolioform; Said rigidity clamping plate constitute the anchor clamps with the dolioform inner chamber of hyperbola by two rigidity intermediate plates, and the rigidity clamping plate are sandwiched in outside the wire clip body at spring chuck place.
Summary of the invention
The purpose of the utility model provides a kind of pre-hinged catenarian cable cleat.
The goal of the invention measure that realizes the utility model is: the outer casing bottom inboard is lumen in a tubular form; Preformed armor rods passes this tubulose lumen; Lining is sandwiched in the outside, shell middle part perpendicular to the tubulose lumen, and two wall correspondences are opened screw on top, top, and bolt passes this screw and fixes.
The advantage of the utility model is, adopts preformed hank knotting of lightweight spiral and lining bolt fastening structure, can free-hand completion install; Installing does not need special-purpose crimping tool, and the suspension clamp grip is big, and is in light weight; And when having guaranteed grip, can eliminate radial pressure effectively again; Unstressed concentration phenomenon is difficult for causing damage in suspension place, thereby protects the ordinary life of positive system.
Description of drawings
Fig. 1 is the mounting structure sketch map of the utility model
Fig. 2 is the cross section structure sketch map of the utility model
Reference numeral: shell 1, bolt 2, lining 3, rubber blanket 4, preformed armor rods 5, lead 6.
Embodiment
Below in conjunction with specific embodiment, describe:
The utility model is by shell 1, lining 3, rubber blanket 4; Bolt 2 constitutes with preformed armor rods 5; Shell 1 bottom inside is lumen in a tubular form, and preformed armor rods 5 passes this tubulose lumen, and lining 3 is sandwiched in the outside, shell 1 middle part perpendicular to the tubulose lumen; And on top, top two wall correspondences are opened screw, bolt 2 passes this screw and fixes.
Preformed armor rods 5 is type, more piece distance in the shape of a spiral, forms one group by many hank knottings, and its internal diameter is less than the external diameter of lead 6, and preformed armor rods 5 inner edges entad a side scribble sand grains.
Shell 1 top two wall correspondences are opened screw.
Shell 1, lining 3 and preformed armor rods 5 are aluminum alloy material.
Rubber blanket 4 is an elasticity EPDM material.
Shell 1, lining 3 and preformed armor rods 5 materials that the utility model uses are for high-intensity: aluminum-alloy wire, and aluminum cald steel wire, zinc-coated wire, welding wire, material is consistent with lead 6 materials.
Preformed armor rods 5 in the utility model is free-hand be entangled on the lead 6 after; It will hold lead tight in one's hands behind one drawn; It is big and be uniformly dispersed to produce grip; Can not produce stress and concentrate, can change along with the variation of lead creep and wire tension, stress simultaneously, thereby reduce the lead local stress simultaneously reaching the highest power of holding tight in one's hands.
Do circular arc at the line outlet of wire clamp in the utility model and handle, guaranteed the unlikely generation point discharge of product, lead 6 does not receive shear stress herein simultaneously.Preformed armor rods 5 is close to and is wrapped in its level and smooth outlines of lead 6 back and can reduces electromagnetic consumable and eliminate corona.
The effect of the pre-hinged catenarian cable cleat in the utility model is similar with conventional typing suspension clamp; Be used for carrying on the straight line pole lead 6; Different is its particular structure, i.e. building blocks such as the preformed armor rods 5 of aluminum alloy material, elasticity ethylene-propylene-diene monomer rubber cushion 4, aluminum alloy casing 1 and lining 3, formerly encase lead 6 with rubber blanket 4 after; Again the central point that scribbles colour code on the preformed armor rods 5 is close to rubber blanket 4 transverse center; Twine until preformed armor rods 5 ends to two ends with this as the starting point, in fixing rubber blanket 4, the preformed armor rods 5 that appropriateness is grown is wrapped on the lead 6 of rubber blanket 4 both sides.After preformed armor rods 5 all twines and accomplishes, lead 6, rubber blanket 4, preformed armor rods 5 constitutes an integral body, package shell 1 successively, lining 3 and hex bolts 2 again.
After the pre-hinged catenarian cable cleat of the utility model hung over high voltage iron tower, lead 6 had been avoided contacting with product rigidity, and product stress distribution that lead 6 is suffered is on a bigger zone; Make bending; Shear, static stresss such as stretching greatly reduce the influence of lead 6, have greatly improved the ability that lead 6 bears vertical stress; And when vibration or wriggling take place for lead 6, be difficult for causing damage at the place of dangling.
The application of the utility model has solved the loaded down with trivial details inconvenience of installation of traditional circuit gold utensil, and influences cable useful life, great number maintenance cost, problems such as high energy consumption.
The utility model not only machinery, electric property satisfies the demands, but also has the following advantages:
1, prolonged the useful life of lead and gold utensil: the even unstressed centrostigma of grip, do not receive the influence of lead creep and wire tension STRESS VARIATION, reduce the periodic maintenance expense.
2, easy for installation, practice thrift installation cost: do not need specific purpose tool, free-hand installation, it is convenient that product is installed, and can increase substantially speed of application, reduces and cross a large amount of wastes of drawing caused surplus line in the work progress.
3, avoid the working line galvano-cautery: processing raw material selection and lead are with the high-strength wire material of material, and working line can not produce because of the different galvano-cautery that occur of material.
4, the installation effect is directly perceived, and installation quality is easy to guarantee that simple appearance is attractive in appearance, can effect be installed through the inspection of naked eyes.
5, light weight: using same lead is 1/3 of traditional gold utensil quality, and product is light and handy, is convenient for carrying and transports.
6, energy-conserving and environment-protective: product is installed its level and smooth outline of back and can be reduced electromagnetic consumable and eliminate corona, and the circular arc of the head of product is handled and guaranteed the unlikely generation point discharge of conductor; Non-environmental-pollution in the while process of producing product.
In above embodiment, do not reach the employing prior aries such as other necessary technologies that relate to enforcement of narration, enumerate detailed description no longer successively.
Claims (3)
1. pre-hinged catenarian cable cleat; By shell (1), lining (3), rubber blanket (4), bolt (2) and preformed armor rods (5) constitute, and it is characterized in that: shell (1) bottom inside is lumen in a tubular form; Preformed armor rods (5) passes this tubulose lumen; Lining (3) is sandwiched in the outside, shell (1) middle part perpendicular to the tubulose lumen, and two wall correspondences are opened screw on top, top, and bolt (2) passes this screw and fixes.
2. pre-hinged catenarian cable cleat as claimed in claim 1 is characterized in that, preformed armor rods (5) is type, more piece distance in the shape of a spiral, forms one group by many hank knottings, and its internal diameter is less than the external diameter of lead (6).
3. pre-hinged catenarian cable cleat as claimed in claim 1 is characterized in that, shell (1) top two wall correspondences are opened screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205071310U CN202488072U (en) | 2011-12-08 | 2011-12-08 | Pre-twisted suspension clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205071310U CN202488072U (en) | 2011-12-08 | 2011-12-08 | Pre-twisted suspension clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202488072U true CN202488072U (en) | 2012-10-10 |
Family
ID=46962463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205071310U Expired - Fee Related CN202488072U (en) | 2011-12-08 | 2011-12-08 | Pre-twisted suspension clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202488072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677542A (en) * | 2017-11-07 | 2018-02-09 | 江苏双汇电力发展股份有限公司 | A kind of suspension clamp failure load test fixture and preparation method thereof |
| CN114566930A (en) * | 2022-03-14 | 2022-05-31 | 国网宁夏电力有限公司吴忠供电公司 | Suspension clamp for insulated drainage wire and use method |
-
2011
- 2011-12-08 CN CN2011205071310U patent/CN202488072U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677542A (en) * | 2017-11-07 | 2018-02-09 | 江苏双汇电力发展股份有限公司 | A kind of suspension clamp failure load test fixture and preparation method thereof |
| CN107677542B (en) * | 2017-11-07 | 2024-11-08 | 江苏双汇电力发展股份有限公司 | A suspension wire clamp breaking load test fixture and preparation method thereof |
| CN114566930A (en) * | 2022-03-14 | 2022-05-31 | 国网宁夏电力有限公司吴忠供电公司 | Suspension clamp for insulated drainage wire and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI SHENYONG MACHINERY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANGHAI BRAVE LINE EQUIPMENT CO., LTD. Effective date: 20140404 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200444 BAOSHAN, SHANGHAI TO: 201600 SONGJIANG, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140404 Address after: 201600 Shanghai City, Songjiang District New Town Road No. 1 Shen two Patentee after: SHANGHAI SHENYONG MECHANICAL TECHNOLOGY Co.,Ltd. Address before: 200444 No. 139, Lane 200, Qi Qi Road, Baoshan District, Shanghai Patentee before: Shanghai Brave Line Equipment Co.,Ltd. |
|
| CU03 | Publication of corrected utility model |
Correction item: Patentee Correct: Shanghai Shenyong Line Equipment Co., Ltd.|200444 No. 139, Lane 200, Qi Qi Road, Baoshan District, Shanghai False: Shanghai Shenyong Mechanical Technology Co., Ltd.|201600 Shanghai City, Songjiang District New Town Road No. 1 Shen two Number: 18 Volume: 30 |
|
| ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; FROM: SHANGHAI SHENYONG MACHINERY TECHNOLOGY CO., LTD.:201600 SONGJIANG, SHANGHAI TO: SHANGHAI BRAVE LINE EQUIPMENT CO., LTD.:200444 BAOSHAN, SHANGHAI LANE 200 NO. |
|
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI SHENYONG MACHINERY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANGHAI BRAVE LINE EQUIPMENT CO., LTD. Effective date: 20140912 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200444 BAOSHAN, SHANGHAI TO: 201600 SONGJIANG, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140912 Address after: 201600 Shanghai City, Songjiang District New Town Road No. 1 Shen two Patentee after: SHANGHAI SHENYONG MECHANICAL TECHNOLOGY Co.,Ltd. Address before: 200444 No. 139, Lane 200, Qi Qi Road, Baoshan District, Shanghai Patentee before: Shanghai Brave Line Equipment Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20161208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |