CN209766671U - Double-conductor equipment wire clamp for large-section conductor - Google Patents

Double-conductor equipment wire clamp for large-section conductor Download PDF

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Publication number
CN209766671U
CN209766671U CN201920692111.1U CN201920692111U CN209766671U CN 209766671 U CN209766671 U CN 209766671U CN 201920692111 U CN201920692111 U CN 201920692111U CN 209766671 U CN209766671 U CN 209766671U
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CN
China
Prior art keywords
branch
drainage
vertical branch
drainage plate
vertical
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
Application number
CN201920692111.1U
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Chinese (zh)
Inventor
何明霞
杜挺
宗强
姚欢
吴亚运
杨冬玉
周瑞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Energy Construction Group Nanjing Line Equipment Co Ltd
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China Energy Construction Group Nanjing Line Equipment Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by China Energy Construction Group Nanjing Line Equipment Co Ltd filed Critical China Energy Construction Group Nanjing Line Equipment Co Ltd
Priority to CN201920692111.1U priority Critical patent/CN209766671U/en
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Publication of CN209766671U publication Critical patent/CN209766671U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a big cross-section wire is with two wire clamps of leading equipment, including two drainage tubes and T type drainage plates that have the definite division interval, T type drainage plate includes drainage plate and side direction branch structure, and the drainage plate is fixed at side direction branch structure lower extreme, and side direction branch structure is the U type, including vertical branch one, vertical branch two and horizontal branch, wherein vertical branch one and two upper ends and drainage tube fixed connection of vertical branch, the drainage plate is connected to horizontal branch below, sets up strengthening rib one between the contained angle of horizontal branch and vertical branch one, also sets up strengthening rib one between the contained angle of horizontal branch and vertical branch two. The utility model discloses carry out the redesign to big cross-section wire with two leading terminal connector structures, optimize through two leading terminal connector water conservancy diversion passageways to big cross-section wire, accomplish the promotion to big cross-section wire two leading terminal connector quality.

Description

Double-conductor equipment wire clamp for large-section conductor
Technical Field
The utility model relates to an extra-high voltage substation technical field, in particular to big cross-section wire is with two wire clamps of leading.
Background
The transformer substation is an important component in power transmission engineering, and a large number of connection modes of leading out wires by double-conductor equipment wire clamps are adopted in the transformer substation. With the continuous improvement of power supply capacity in China, the construction of an extra-high voltage transformer substation is more and more, and the application of a large-section wire double-conductor equipment wire clamp is more and more common.
the equipment clamp is used for connecting a bus down lead with an outlet terminal of electrical equipment and connecting the electrical equipment, and consists of a fastening lead part and an electrical equipment connecting part, and the connecting mode of the equipment clamp is generally divided into a bolt type structure and a compression type structure. For a large-section wire, because the overcurrent requirement is high, a compression type structure is generally adopted, the joint between a compression type equipment wire clamp tubular structure and a terminal board is a weak part, and for the large-section wire, the current-carrying capacity is large, and the section of a required flow guide channel is large. The larger section has the defects of shrinkage cavity, shrinkage porosity and the like easily caused by small specific surface area, poor heat dissipation performance and feeding shrinkage difference in the casting process in the machining process. The existence of internal defect can arouse the fastener to burst because of the infiltration on the one hand, and on the other hand is owing to reduced the water conservancy diversion passageway, makes the fastener heat production increase easily, leads to the fastener to burn out, causes the incident. In recent years, the large-section wire double-conductor equipment wire clamp produced in the traditional equipment wire clamp mode has the phenomena of fracture and cracking in the using process, and hidden troubles are hidden for normal operation of a transformer substation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a big cross-section wire is with two wire clamps of leading equipment can show improvement product quality.
In order to achieve the above object, the utility model provides a double-conductor equipment cable clamp for large-section wires, which comprises two drainage tubes and a T-shaped drainage plate, wherein the drainage tubes are hollow cylindrical tubes, the T-shaped drainage plate comprises a drainage plate and a lateral branch structure, the drainage plate is fixed at the lower end of the lateral branch structure, the lateral branch structure is U-shaped and comprises a first vertical branch, a second vertical branch and a horizontal branch, the first vertical branch and the second vertical branch are positioned at the two ends of the horizontal branch, wherein the upper ends of the first vertical branch and the second vertical branch are fixedly connected with the drainage tubes, annular step surfaces are arranged at the upper ends of the first vertical branch and the second vertical branch, the drainage tubes are fixed on the annular step surfaces, the drainage plates are connected below the horizontal branch, a first reinforcing rib is arranged between the included angle of the first horizontal branch and the first vertical branch, a first reinforcing rib is also arranged between the included angle of the horizontal branch, and the two reinforcing ribs are symmetrically arranged. For fracture and the fracture phenomenon that exists among the improvement existing equipment structure, improve product quality, for the operation of transformer substation provides reliable guarantee, the utility model discloses carry out optimization design again with two leading equipment fastener structures to the large cross-section wire, optimize through two leading equipment fastener water conservancy diversion passageways to the large cross-section wire, accomplish the promotion to the two leading equipment fastener quality of large cross-section wire. The drainage tube is welded and fixed with the first vertical branch and the second vertical branch, so that the outer diameter of the general drainage tube is large. The further improvement lies in that the cross sections of the vertical branch I, the vertical branch II and the horizontal branch of the lateral branch structure are all set to be oval, cylindrical connecting ends are respectively arranged at the upper ends of the vertical branch I and the vertical branch II, and annular step surfaces are arranged on the cylindrical connecting ends and are connected with the drainage tube. The T-shaped drainage wire clamp is manufactured by adopting a casting process, the lateral branch cross section connected with the drainage wire clamp (drainage tube) is optimally designed to be an oval structure, the structure is a flow guide channel between a lead and equipment, the optimized structure has good flow guide performance, the product quality is greatly improved, and the mechanical performance and the flow guide performance of a product are ensured.
the drainage plate is fixed in horizontal branch below one side, and the cross-sectional width of drainage plate is less than horizontal branch's cross-sectional width, and the contained angle department parallel arrangement that forms at drainage plate and horizontal branch has two at least strengthening ribs two. The two second reinforcing ribs are respectively arranged at the end parts of the two sides of the drainage plate, and the plurality of second reinforcing ribs are also symmetrically arranged. The cross-sectional width of the flow guide plate is adjustable, [ d1] the cross-sectional width of the flow guide plate is one-half of the cross-sectional width of the horizontal branch, and the flow guide plate is fixed to the side of the symmetry line of the horizontal branch.
Wherein the drainage tube is machined from an aluminum profile tube and is configured to secure a wire; the T-shaped drainage plate is formed by casting and processing cast aluminum, and is configured to be connected with an electrical equipment terminal board at one end and connected with a drainage tube at the other end; the reinforcing ribs are configured to increase the overall strength of the cleat. The drainage wire clamp (drainage tube) is made of an aluminum profile tube, the extensibility is good, and the aluminum tube and the lead are pressed and deformed by the hydraulic machine to fasten the lead, so that the grip strength is ensured.
The T-shaped drainage plate is composed of a drainage plate used for being connected with the electrical equipment terminal board and a lateral branch used for being connected with a drainage wire clamp (drainage tube), the drainage tube is connected with the T-shaped drainage plate through welding, the drainage plate is connected with the electrical equipment terminal board through a bolt, and the reinforcing rib is used for increasing the overall strength of the hardware fitting.
The utility model discloses carry out the optimal design with two wire clamp water conservancy diversion passageways for big cross-section wire, under the prerequisite of guaranteeing the current-carrying capacity, reduced the thickness of junction greatly for the heat dissipation is fast, and aluminium liquid mobility is good, and the feeding is effectual, greatly reduced the casting defect of product, improve the casting quality of product, simultaneously, alleviateed product weight, provide reliable guarantee for the operation of transformer substation.
The utility model discloses big cross-section wire is with two wire terminal clamps that lead carries out optimal design to wire terminal clamp water conservancy diversion passageway, is the cross-sectional shape that is used for the side direction branch that links to each other with the drainage fastener on T type drainage plate (promptly) to be oval by circular optimal design with wire terminal clamp body drainage tube and drainage plate connection position.
Compared with the prior art, the utility model has the advantages that:
The utility model provides a big cross-section wire is with two wire terminal clamps that lead, be oval with the cross-sectional shape design that terminal clamp body drainage tube and drainage plate are connected the position (be used for the side direction branch that links to each other with the drainage fastener promptly on the T type drainage plate), the structure after the improvement is satisfying the current-carrying capacity, guarantee the basis of water conservancy diversion passageway, the thickness of junction has been reduced greatly, make the fastener heat dissipation fast, aluminium liquid mobility is good, the feeding is effectual, can obviously improve the casting quality of product, and simultaneously, the product weight is reduced. The double-conductor equipment wire clamp for the large-section conductor provides reliable guarantee for the operation of the transformer substation.
Drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is a left side view of the present invention;
FIG. 3 is a left side view of the T-shaped drainage plate of the present invention;
The drainage tube comprises a 1-drainage tube, a 2-T-shaped drainage plate, a 201-drainage plate, a 202-lateral branch structure, a 202 a-horizontal branch, a 202 b-vertical branch I, a 202 c-vertical branch II, a 3-reinforcing rib I and a 4-reinforcing rib II.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
In an extra-high voltage transformer substation project, the application of a large-section wire double-conductor equipment wire clamp is ubiquitous, and the conventional equipment wire clamp has the phenomena of breakage and cracking in the using process, so that hidden danger is buried in the normal operation of a transformer substation. The utility model discloses a big cross-section wire is with two wire clamps of leading equipment can obviously improve the casting quality of product, guarantees the water conservancy diversion passageway, reduces product weight, provides reliable guarantee for the operation of transformer substation.
Fig. 1 and fig. 2 are a front view and a left view of the double-conductor equipment cable clamp for a large-section wire of the present invention, respectively. FIG. 3 is a left view of the optimized design of the T-shaped drainage plate. As shown in fig. 1 and 2, the utility model discloses a double-conductor device clamp for large-section wire, which comprises two drainage tubes 1 and a T-shaped drainage plate 2 with a certain division space, wherein the drainage tube 1 is a hollow cylindrical tube, the T-shaped drainage plate 2 comprises a drainage plate 201 and a lateral branch structure 202, the drainage plate 201 is fixed at the lower end of the lateral branch structure 202, the lateral branch structure 202 is U-shaped and comprises a first vertical branch 202b, a second vertical branch 202c and a horizontal branch 202a, the first vertical branch 202b and the second vertical branch 202c are located at two ends of the horizontal branch 202a, wherein the upper ends of the first vertical branch 202b and the second vertical branch 202c are fixedly connected with the drainage tube 1, an annular step surface is arranged at the upper ends of the first vertical branch 202b and the second vertical branch 202c, the drainage tube 1 is fixed on the annular step surface, the drainage plate 201 is connected below the horizontal branch 202a, a first reinforcing rib 3 is arranged between the included angle between the horizontal branch 202a and the vertical branch 202b, a first reinforcing rib 3 is also arranged between the included angle between the horizontal branch 202a and the vertical branch 202c, and the two first reinforcing ribs 3 are symmetrically arranged.
The further improvement lies in that the cross sections of the first vertical branch 202b, the second vertical branch 202c and the horizontal branch 202a of the lateral branch structure are all set to be oval, cylindrical connecting ends are respectively arranged at the upper ends of the first vertical branch 202b and the second vertical branch 202c, and annular step surfaces are arranged on the cylindrical connecting ends to be connected with the drainage tube 1.
The flow guide plate 201 is fixed on one side below the horizontal branch 202a, the cross-sectional width of the flow guide plate 201 is smaller than that of the horizontal branch 202a, and at least two second reinforcing ribs 4 are arranged in parallel at an included angle formed by the flow guide plate 201 and the horizontal branch 202 a.
For fracture and the fracture phenomenon that exists among the improvement existing equipment structure, improve product quality, for the operation of transformer substation provides reliable guarantee, the utility model discloses carry out optimization design again with two leading equipment fastener structures to the large cross-section wire, optimize through two leading equipment fastener water conservancy diversion passageways to the large cross-section wire, accomplish the promotion to the two leading equipment fastener quality of large cross-section wire. The drainage tube is welded and fixed with the first vertical branch and the second vertical branch, so that the outer diameter of the general drainage tube is large.
The T-shaped drainage wire clamp is manufactured by adopting a casting process, the lateral branch cross section connected with the drainage wire clamp (drainage tube) is optimally designed to be an oval structure, the structure is a flow guide channel between a lead and equipment, the optimized structure has good flow guide performance, the product quality is greatly improved, and the mechanical performance and the flow guide performance of a product are ensured.
The two second reinforcing ribs are respectively arranged at the end parts of the two sides of the drainage plate, and the plurality of second reinforcing ribs are also symmetrically arranged. The cross-sectional width of the drainage plate is adjustable, the cross-sectional width of the preferred drainage plate is one half of that of the horizontal branch, and the drainage plate is fixed on one side of the symmetry line of the horizontal branch.
Wherein the drainage tube is machined from an aluminum profile tube and is configured to secure a wire; the T-shaped drainage plate is formed by casting and processing cast aluminum, and is configured to be connected with an electrical equipment terminal board at one end and connected with a drainage tube at the other end; the reinforcing ribs are configured to increase the overall strength of the cleat. The drainage wire clamp (drainage tube) is made of an aluminum profile tube, the extensibility is good, and the aluminum tube and the lead are pressed and deformed by the hydraulic machine to fasten the lead, so that the grip strength is ensured.
The T-shaped drainage plate is composed of a drainage plate used for being connected with the electrical equipment terminal board and a lateral branch used for being connected with a drainage wire clamp (drainage tube), the drainage tube is connected with the T-shaped drainage plate through welding, the drainage plate is connected with the electrical equipment terminal board through a bolt, and the reinforcing rib is used for increasing the overall strength of the hardware fitting.
The utility model discloses carry out the optimal design with two wire clamp water conservancy diversion passageways for big cross-section wire, under the prerequisite of guaranteeing the current-carrying capacity, reduced the thickness of junction greatly for the heat dissipation is fast, and aluminium liquid mobility is good, and the feeding is effectual, greatly reduced the casting defect of product, improve the casting quality of product, simultaneously, alleviateed product weight, provide reliable guarantee for the operation of transformer substation.
The utility model discloses big cross-section wire is with two wire terminal clamps that lead carries out optimal design to wire terminal clamp water conservancy diversion passageway, is the cross-sectional shape that is used for the side direction branch that links to each other with the drainage fastener on T type drainage plate (promptly) to be oval by circular optimal design with wire terminal clamp body drainage tube and drainage plate connection position.
Compared with the prior art, the utility model has the advantages that:
The utility model provides a big cross-section wire is with two wire terminal clamps that lead, be oval with the cross-sectional shape design that terminal clamp body drainage tube and drainage plate are connected the position (be used for the side direction branch that links to each other with the drainage fastener promptly on the T type drainage plate), the structure after the improvement is satisfying the current-carrying capacity, guarantee the basis of water conservancy diversion passageway, the thickness of junction has been reduced greatly, make the fastener heat dissipation fast, aluminium liquid mobility is good, the feeding is effectual, can obviously improve the casting quality of product, and simultaneously, the product weight is reduced. The double-conductor equipment wire clamp for the large-section conductor provides reliable guarantee for the operation of the transformer substation.
When using, the wire is worn into drainage tube 1 after the preliminary treatment, then carries out crimping deformation fastening with aluminum pipe and wire by the hydraulic press, the electrical equipment terminal block pass through the bolt with the utility model discloses drainage plate 201 links to each other, accomplishes the conduction of electric current between electrical equipment and wire.
As shown in fig. 3, the cross-section of the large-section wire double-conductor device clamp lateral branch structure 202 of the present invention is oval by the original circular optimization design. Original structure specific surface is little, and heat dispersion is poor, and it is poor to mend the shrinkage in the casting process, easily produces defects such as shrinkage cavity, shrinkage porosity, and the existence of internal defect can cause the fastener to burst because of the infiltration on the one hand, and on the other hand makes the fastener heat production increase easily owing to reduced the water conservancy diversion passageway, leads to the fastener to burn out, causes the incident. The fastener after the improvement satisfies the current-carrying capacity, guarantees on the basis of water conservancy diversion passageway, has reduced the thickness of junction greatly for the heat dissipation is fast, and aluminium liquid mobility is good, and the feeding is effectual, can be obvious the casting quality of improvement the product, has reduced the weight of fastener simultaneously, is showing the life-span that has improved big cross-section wire double-conductor equipment fastener, provides reliable guarantee for the operation of transformer substation.
The above description is only for facilitating the understanding of the technical solutions of the present invention by those skilled in the art, and is not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The cross-sectional width of the flow guide plate is adjustable, and is preferably only described in the best mode, and the detailed description is provided with reference to the dimensions in the drawings, and the cross-sectional width can be deleted if determined.

Claims (3)

1. The utility model provides a big cross-section wire is with two wire clamp that lead equipment, its characterized in that: including two drainage tubes and T type drainage plates that have certain splitting interval, the drainage tube is hollow cylindrical pipe, T type drainage plate includes drainage plate and side direction branch structure, and the drainage plate is fixed at side direction branch structure lower extreme, and side direction branch structure is the U type, including vertical branch one, vertical branch two and horizontal branch, vertical branch one and vertical branch two are located horizontal branch both ends, wherein vertical branch one and vertical branch two upper ends and drainage tube fixed connection, set up annular step face on vertical branch one and vertical branch two upper ends, the drainage tube is fixed on this annular step face, the drainage plate is connected to horizontal branch below, set up strengthening rib one between the contained angle of horizontal branch and vertical branch one, also set up strengthening rib one between the contained angle of horizontal branch and vertical branch two to two strengthening rib symmetries set up.
2. the double-conductor equipment clamp for the large-section conducting wire according to claim 1, wherein: the cross sections of the vertical branch I, the vertical branch II and the horizontal branch of the lateral branch structure are all set to be oval, cylindrical connecting ends are arranged at the upper ends of the vertical branch I and the vertical branch II respectively, and annular step surfaces are arranged on the cylindrical connecting ends and connected with the drainage tube.
3. The double-conductor equipment clamp for the large-section conducting wire according to claim 2, wherein: the drainage plate is fixed in horizontal branch below one side, and the cross-sectional width of drainage plate is less than horizontal branch's cross-sectional width, and the contained angle department parallel arrangement that forms at drainage plate and horizontal branch has two at least strengthening ribs two.
CN201920692111.1U 2019-05-15 2019-05-15 Double-conductor equipment wire clamp for large-section conductor Expired - Fee Related CN209766671U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920692111.1U CN209766671U (en) 2019-05-15 2019-05-15 Double-conductor equipment wire clamp for large-section conductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920692111.1U CN209766671U (en) 2019-05-15 2019-05-15 Double-conductor equipment wire clamp for large-section conductor

Publications (1)

Publication Number Publication Date
CN209766671U true CN209766671U (en) 2019-12-10

Family

ID=68761402

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920692111.1U Expired - Fee Related CN209766671U (en) 2019-05-15 2019-05-15 Double-conductor equipment wire clamp for large-section conductor

Country Status (1)

Country Link
CN (1) CN209766671U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191210

Termination date: 20210515