CN214755422U - Conductor spacer with rotary island structure - Google Patents
Conductor spacer with rotary island structure Download PDFInfo
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- CN214755422U CN214755422U CN202120640222.5U CN202120640222U CN214755422U CN 214755422 U CN214755422 U CN 214755422U CN 202120640222 U CN202120640222 U CN 202120640222U CN 214755422 U CN214755422 U CN 214755422U
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- spacer
- frame
- rotary island
- island structure
- connecting platform
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Abstract
The utility model discloses a conductor spacer with rotary island structure belongs to electric power fitting technical field, has solved traditional conductor spacer casting efficiency low, be difficult for production, fill the long problem of type time. The cable clamp mainly comprises a frame and cable clamps, wherein convex ridges are arranged on the inner and outer circumferential edges of a frame main body, cable clamp bolt mounting holes and pin shaft holes are formed in the joint positions of the frame main body, and a rotary island structure is arranged at each joint position on the front surface of the frame; two semicircular bosses in a separated state are arranged at each node position on the back of the frame, and hollow grooves are formed in the semicircular bosses. The utility model discloses can shorten the casting time by a wide margin under the prerequisite that does not change low pressure casting pressure, easily produce and make, can bring the benefit of structural strength reinforcing simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the electric power fitting, specifically speaking especially relates to a casting is fast, fill type cycle short, easily produce the conductor spacer that has rotary island structure that makes, structural strength is strong.
Background
The spacer is a fitting which is installed on the split conductors and fixes the space between the split conductors to prevent the conductors from being whipped each other and suppress the breeze vibration and the sub-span oscillation, and the spacer may be divided into two split spacers, four split spacers, six split spacers, eight split spacers, and the like according to the number of splits. The invention provides a Chinese patent with the name of a spacer, which is invented and created by the patent application number of 201020234183.0 and the application date of 2010.06.20, wherein the spacer disclosed in the patent document is the spacer which is widely applied at present, and mainly comprises a frame and a wire clamp connected to the frame.
The low-pressure casting is a method for filling compressed air with a certain pressure into a sealed heat preservation furnace, and filling a cavity with aluminum liquid in the heat preservation furnace through a liquid lifting pipe under the action of the pressure to form a casting. Because of the low pressures used, it is called low pressure casting. The pressure of low-pressure casting is generally controlled between 0.020MPa and 0.025MPa, and the metal liquid does not contain air due to excessive impact force, so that the quality of the produced castings is superior to that of high-pressure casting and gravity casting. The spacer frame has high quality requirement, and is usually produced by adopting a low-pressure casting mode in the industry. The metal liquid of traditional conductor spacer frame only radial direction when the casting flows, and the cavity is slowly filled along the conductor spacer radial direction to the metal liquid that also gushes out from the sprue gate of mould, and is long time consuming, and some can cause conductor spacer evagination spine phenomenon such as shrinkage porosity, meat deficiency to appear even. Secondly, bosses at the joint positions of the back of the traditional spacer frame are two complete semicircular bosses, and quality defects such as shrinkage porosity, meat deficiency and the like often occur after casting.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a casting speed is fast, fill type cycle short, easily produce the conductor spacer that has rotary island structure that manufacturing, structural strength are strong not enough to prior art exists.
The utility model discloses a realize through following technical scheme:
a spacer with a rotary island structure comprises a frame and a wire clamp connected to the position of a joint of the frame, wherein the frame comprises a frame main body, convex ridges are arranged at the inner and outer circumferential edges of the frame main body, a wire clamp bolt mounting hole and a pin shaft hole are arranged at the position of the joint of the frame main body, a rotary island structure is arranged at each joint position on the front surface of the frame and comprises a rotary island surrounding the wire clamp bolt mounting hole, a first connecting platform which is bordered by the pin shaft hole is arranged on one side of the rotary island, a second connecting platform which is bordered by the convex ridges is arranged on the other side of the rotary island, and the rotary island is integrated with the first connecting platform and the second connecting platform; and each node position on the back surface of the frame is provided with two semicircular bosses in a separated state, and each semicircular boss is provided with a hollow groove.
Preferably, the longitudinal centre line of the first connecting platform is collinear with the longitudinal centre line of the second connecting platform and passes through the centre point of the spacer frame.
Preferably, the rotary island structure and the spacer frame body are made of the same material.
Preferably, the number of the hollow-out grooves is four, and the hollow-out grooves are respectively arranged in quadrant areas of the two semicircular bosses.
Preferably, the hollow-out grooves are fan-shaped.
Preferably, the spacer is a two-split spacer, a four-split spacer, a six-split spacer or an eight-split spacer.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model is easy to produce and manufacture, and the production efficiency of enterprises is high; the utility model can greatly shorten the filling time of the mold cavity on the premise of not changing the low-pressure casting pressure, on one hand, the metal liquid flows along the radial direction, on the other hand, the metal liquid synchronously flows along the circumferential direction through the ring island structure, although the structural design is simple, the production period of the spacer can be greatly shortened, and obvious economic benefits are brought to enterprises; meanwhile, the ring island structure also brings the benefit of local structure enhancement, and the service life of the spacer is prolonged;
the utility model discloses offer the fretwork groove on semicircle type boss, solved traditional boss department and easily appeared shrinkage porosity, the problem of lacking meat, fretwork formula boss has increased the complexity of node shape simultaneously for the packing power increase between foundry goods and the last mould, easily follow-up drawing of patterns.
Drawings
FIG. 1 is a schematic diagram of the structure of the spacer in front of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of the spacer in the front three-dimensional direction;
FIG. 4 is an enlarged view of a portion of FIG. 3 according to the present invention;
fig. 5 is a schematic view of the back structure of the spacer of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 according to the present invention;
FIG. 7 is a schematic view of the structure of the spacer in the back side in the three-dimensional direction;
fig. 8 is a partially enlarged view of fig. 7 according to the present invention.
In the figure: 1. a frame; 11. a frame body; 12. a clamp bolt mounting hole; 13. a pin shaft eye; 14. a ring island; 15. a first connecting table; 16. a second connecting platform; 17. a semicircular boss; 18. hollowing out the grooves; 19. an outer ridge.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
a spacer with a rotary island structure comprises a frame 1 and a wire clamp connected to the node position of the frame 1, wherein the frame 1 comprises a frame main body 11, convex ridges are arranged on the inner and outer circumferential edges of the frame main body 11, a wire clamp bolt mounting hole 12 and a pin shaft hole 13 are arranged at the node position of the frame main body 11, a rotary island structure is arranged at each node position on the front surface of the frame 1, the rotary island structure comprises a rotary island 14 surrounding the wire clamp bolt mounting hole 12, a first connecting platform 15 bordering on the pin shaft hole 13 is arranged on one side of the rotary island 14, a second connecting platform 16 bordering on the convex ridge 19 is arranged on the other side of the rotary island 14, and the rotary island 14, the first connecting platform 15 and the second connecting platform 16 are integrated; each node position of the back of the frame 1 is provided with two semicircular bosses 17 in a separated state, and each semicircular boss 17 is provided with a hollow groove 18.
Preferably, the longitudinal centre line of the first connecting platform 15 is collinear with the longitudinal centre line of the second connecting platform 16 and passes through the centre point of the spacer frame 1. The design of the angle is convenient for the metal liquid to flow, reduces the obstruction of the fluid in the flow process and improves the average level of the whole flow speed.
Preferably, the rotary island structure and the spacer frame body 11 are made of the same material. All are aluminum liquid.
Preferably, the number of the hollow-out grooves 18 is four, and the hollow-out grooves are respectively arranged in quadrant areas of the two semicircular bosses 17. The structural design of the hollow-out grooves ensures the basic structure of the original boss, and ensures that the product has no quality defects such as shrinkage porosity, meat deficiency and the like on the premise of not influencing the structural strength of the product basically.
Preferably, the hollowed-out grooves 18 are fan-shaped.
Preferably, the spacer is a two-split spacer, a four-split spacer, a six-split spacer or an eight-split spacer.
Example 1:
a spacer with a rotary island structure comprises a frame 1 and a wire clamp connected to the node position of the frame 1, wherein the frame 1 comprises a frame main body 11, convex ridges are arranged on the inner and outer circumferential edges of the frame main body 11, a wire clamp bolt mounting hole 12 and a pin shaft hole 13 are arranged at the node position of the frame main body 11, a rotary island structure is arranged at each node position on the front surface of the frame 1 and comprises a rotary island 14 surrounding the wire clamp bolt mounting hole 12, a first connecting platform 15 which is connected with the pin shaft hole 13 is arranged on one side of the rotary island 14, a second connecting platform 16 which is connected with an outer convex ridge 19 is arranged on the other side of the rotary island 14, and the rotary island 14 is integrated with the first connecting platform 15 and the second connecting platform 16; two semicircular bosses 17 in a separated state are arranged at each node position on the back surface of the frame 1, and hollow grooves 18 are formed in the semicircular bosses 17.
This embodiment conductor spacer frame construction easily produces the casting, and the molten metal that the mould sprue gushed out flows along the conductor spacer radial direction on the one hand, and molten metal can be in the same direction as along first platform, rotary island, the second even platform gets into the evagination ridge and becomes the circumference and flow simultaneously. The embodiment can greatly shorten the filling time of the mold cavity on the premise of not changing the low-pressure casting pressure, and the metal liquid flows along the radial direction on one hand and synchronously flows along the circumferential direction through the ring island structure on the other hand, so that the production period of the spacer can be greatly shortened though the structural design is simple; meanwhile, the ring island structure also brings the benefit of local structure enhancement, and the service life of the spacer is prolonged. The fretwork groove is seted up to this embodiment on semicircle type boss, has solved traditional boss department and has easily appeared shrinkage porosity, the problem of lacking meat, and fretwork formula boss has increased the complexity of node shape simultaneously for the packing power increase between foundry goods and the last mould, easily follow-up drawing of patterns.
Example 2:
a spacer with a rotary island structure comprises a frame 1 and a wire clamp connected to the node position of the frame 1, wherein the frame 1 comprises a frame main body 11, convex ridges are arranged on the inner and outer circumferential edges of the frame main body 11, a wire clamp bolt mounting hole 12 and a pin shaft hole 13 are arranged at the node position of the frame main body 11, a rotary island structure is arranged at each node position on the front surface of the frame 1 and comprises a rotary island 14 surrounding the wire clamp bolt mounting hole 12, a first connecting platform 15 which is connected with the pin shaft hole 13 is arranged on one side of the rotary island 14, a second connecting platform 16 which is connected with an outer convex ridge 19 is arranged on the other side of the rotary island 14, and the rotary island 14 is integrated with the first connecting platform 15 and the second connecting platform 16; the longitudinal centre line of the first connecting station 15 and the longitudinal centre line of the second connecting station 16 are collinear in this embodiment and pass through the centre point of the spacer frame 1. The design of the angle is convenient for the metal liquid to flow, reduces the obstruction of the fluid in the flow process and improves the average level of the whole flow speed.
Two semicircular bosses 17 in a separated state are arranged at each node position on the back surface of the frame 1, and fan-shaped hollow grooves 18 are formed in the semicircular bosses 17. The number of the hollow-out grooves 18 is four, and the hollow-out grooves are respectively arranged in quadrant areas of the two semicircular bosses 17. The structural design of the hollow groove ensures the basic structure of the original boss, and ensures that the product has no quality defects such as shrinkage porosity, meat deficiency and the like on the premise of basically not influencing the structural strength of the product; meanwhile, the hollow boss increases the complexity of the node shape, so that the packing force between the casting and the upper die is increased, and subsequent demolding is easy.
The spacer in the embodiment is a two-split spacer, a four-split spacer, a six-split spacer or an eight-split spacer.
In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a conductor spacer with rotary island structure, includes the frame and connects the fastener in frame node position department, the frame includes the frame main part, is equipped with the convex ridge at the inside and outside circumference edge of frame main part, and the node position department of frame main part is equipped with fastener bolt mounting hole and round pin axle eye, its characterized in that: the rotary island structure is arranged at each node position on the front side of the frame and comprises a rotary island surrounding a wire clamp bolt mounting hole, a first connecting platform which is connected with a pin shaft hole is arranged on one side of the rotary island, a second connecting platform which is connected with an outer ridge is arranged on the other side of the rotary island, and the rotary island, the first connecting platform and the second connecting platform are integrated into a whole; and each node position on the back surface of the frame is provided with two semicircular bosses in a separated state, and each semicircular boss is provided with a hollow groove.
2. The spacer with a rotary island structure as claimed in claim 1, wherein: the longitudinal center line of the first connecting platform is collinear with the longitudinal center line of the second connecting platform and passes through the center point of the spacer bar frame.
3. The spacer with a rotary island structure as claimed in claim 1 or 2, wherein: the rotary island structure and the spacer frame main body are made of the same material.
4. The spacer with a rotary island structure as claimed in claim 1, wherein: the number of the hollow grooves is four, and the hollow grooves are respectively arranged in quadrant areas of the two semicircular bosses.
5. The spacer with a rotary island structure as claimed in claim 4, wherein: the hollow-out grooves are fan-shaped.
6. The spacer with a rotary island structure as claimed in claim 1, wherein: the spacer is two-split spacer, four-split spacer, six-split spacer and eight-split spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120640222.5U CN214755422U (en) | 2021-03-30 | 2021-03-30 | Conductor spacer with rotary island structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120640222.5U CN214755422U (en) | 2021-03-30 | 2021-03-30 | Conductor spacer with rotary island structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214755422U true CN214755422U (en) | 2021-11-16 |
Family
ID=78598121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120640222.5U Active CN214755422U (en) | 2021-03-30 | 2021-03-30 | Conductor spacer with rotary island structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214755422U (en) |
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2021
- 2021-03-30 CN CN202120640222.5U patent/CN214755422U/en active Active
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