CN215071559U - Annular spacer based on solid die forging - Google Patents
Annular spacer based on solid die forging Download PDFInfo
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- CN215071559U CN215071559U CN202121671403.0U CN202121671403U CN215071559U CN 215071559 U CN215071559 U CN 215071559U CN 202121671403 U CN202121671403 U CN 202121671403U CN 215071559 U CN215071559 U CN 215071559U
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Abstract
The utility model discloses an annular spacer based on solid die forging, which belongs to the technical field of electric power fittings and mainly comprises a frame and a wire clamp, wherein the frame is in a circular ring shape, and a plurality of first bolt mounting holes are uniformly distributed on the circular ring-shaped frame; a quincunx cross shaft is arranged in the mounting and accommodating frame of the cable clamp, the quincunx cross shaft comprises a cross shaft frame body, the cross shaft frame body is provided with a key strip and a second bolt mounting hole, the key strip is divided into two key strips by the second bolt mounting hole, and a reinforcing ring body surrounding the periphery of the second bolt mounting hole is arranged between the two key strips; the back of the circular frame is provided with a supporting boss, and the supporting boss is provided with a connector groove. The utility model discloses reduced conductor spacer solid state die forging's manufacturing cost, the product quality is high, and long service life has very strong practicality, has promoted solid state die forging technology at the practical application of conductor spacer technical field by force greatly, has promoted the whole quality of conductor spacer, and economy, social are showing.
Description
Technical Field
The utility model belongs to the technical field of the electric power fitting, specifically speaking especially relates to an annular conductor spacer based on solid state die forging that structural design easily solid state die forging production manufacturing, node stress release ability is strong, tensile strength is strong, vibration fatigue durability is strong, product long service life, product quality are high.
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 to suppress the breeze vibration and the sub-span oscillation, and the spacer may be divided into a four-split spacer, a six-split spacer, an eight-split spacer, and the like according to the number of splits. According to the technical conditions and test methods of the spacer in the power industry (DL/T1098) -2009), the spacer not only can meet certain mechanical strength such as wire clamp strength, grip strength along the wire, torsion moment, horizontal and vertical pulling force, but also has certain vibration fatigue resistance. The solid die forging is one of forging processes, and compared with a spacer manufactured by a casting process, the spacer manufactured by the solid die forging process has the advantages of strong mechanical strength and strong tensile strength. With the continuous improvement of national requirements on the quality of products and the continuous enhancement of environmental protection consciousness, the solid die forging process gradually replaces the traditional casting process.
Patent No. CN109732025B, granted announcement date 2020.07.21, the invention and created Chinese patent named as a production process of a hexagonal frame forging of a high-strength wire spacing device, the patent document discloses a forging process for manufacturing a spacing rod and a forming die for producing the spacing rod, the forging process mainly comprises blanking, selecting the diameter of the aluminum rod to be 150mm, segmenting the aluminum rod into a plurality of small aluminum ingots by a sawing machine, and the length of each small aluminum ingot is 150 mm; heating a plurality of small aluminum ingots at 460 ℃ and 480 ℃, upsetting the heated small aluminum ingots by an air hammer to form flat cakes; punching the upset aluminum ingot by a punch press, and feeding the aluminum ingot into a preforming die for preforming after punching; heating the preformed blank again to 460-480 ℃; the heated preformed blank is sent to a forming die to be forged and formed through a press, and scrap edges and burrs are removed to form a hexagonal frame forging; performing heat treatment on the forged and formed hexagonal frame forging, heating to 530 ℃ and 550 ℃, then quenching and water cooling, and finally tempering to 180 ℃; performing shot blasting treatment on the hexagonal frame forge piece to remove oxide skin, and finishing the forging process of the hexagonal frame forge piece; the forming die comprises an upper die and a lower die, wherein a hexagonal protrusion is designed on the upper die, a hexagonal groove is designed in the middle of the hexagonal protrusion, the outer edge of the hexagonal position of the hexagonal groove protrudes outwards in an arc shape, the outer edge of the edge groove of the hexagonal groove also protrudes outwards in an arc shape, the outer edge and the inner edge of the hexagonal groove are designed with reinforcing edge grooves again, and the inner edge of the hexagonal position is designed into a C-shaped reinforcing edge groove; the lower die is provided with a hexagonal protrusion, a hexagonal groove is designed in the middle of the hexagonal protrusion, the outer edge of the hexagonal position of the hexagonal groove protrudes outwards in an arc shape, the inner edge of the hexagonal position of the hexagonal groove is designed into a C-shaped protrusion, two symmetrical semicircular grooves are designed in the middle of the hexagonal position, the outer edge of the edge groove of the hexagonal groove also protrudes outwards in an arc shape, the outer edge and the inner edge of the hexagonal groove are designed into reinforcing edge grooves again, and the positions where the outer edge of the hexagonal position protrudes outwards in an arc shape and the inner edge of the hexagonal position is designed into a C-shaped protrusion do not have reinforcing edge grooves; the upper die and the lower die are correspondingly matched up and down, and a cavity of the hexagonal frame forging piece is formed between the upper die and the lower die after the upper die and the lower die are buckled. The traditional die forging spacer rod mainly has the following problems: 1. the frame is the hexagon design, and it is very big actually to make the hexagon frame degree of difficulty through forging and pressing. Because the frame is large, the diameter specification is generally 750mm, the method is limited to the existing bar processing technology, the hexagonal sheet with the large size is not sold in the market, only the sheet with the annular section is provided, and if the annular sheet is forged into the six-deformation frame, the annular area of the annular bar is large, which is quite material-consuming and high in manufacturing cost; 2. the positions of the frame connected with the wire clamps are nodes, the hexagonal frame has poor bending resistance, the galloping tension of the power transmission line is almost borne by the positions of the nodes, fine cracks can be generated at the nodes of the frame in the long term, and the potential safety hazard is large; 3. the key strip of traditional cross axle is rectangular form, and behind the recess of key strip embedding frame back, the key strip need bear great stress, and traditional cross axle key strip structural strength is more weak, easily produces the crackle.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough that prior art exists, provide a structural design easily solid-state die forging technology manufacturing, node stress release can the reinforce, tensile strength can the reinforce, vibration fatigue durability is strong, product long service life, product quality are high annular conductor spacer based on solid-state die forging.
The utility model discloses a realize through following technical scheme:
an annular spacer based on solid die forging comprises two frames arranged in parallel and a wire clamp fixedly clamped between the two frames, wherein the wire clamp comprises a wire clamp main body, a cover plate, an installation accommodating frame, a pin shaft seat and a pin shaft fixedly inserted in the pin shaft seat, the frame is annular, and a plurality of first bolt installation holes are uniformly distributed in the annular frame; a plum blossom-shaped cross shaft is arranged in the mounting and accommodating frame of the wire clamp, and rubber columns with buffering functions are respectively and fixedly plugged in four quadrant areas of the plum blossom-shaped cross shaft;
the quincunx cross shaft comprises a cross shaft frame body, wherein two end faces of the cross shaft frame body are respectively provided with a key strip protruding out of the surface of the end face, the center of the cross shaft frame body is provided with a second bolt mounting hole penetrating through the key strip and the cross shaft frame body, the key strip is divided into two key strips through the second bolt mounting hole, and a reinforcing ring body surrounding the periphery of the second bolt mounting hole is arranged between the two key strips;
the back of the circular frame is provided with a supporting boss, the middle of the supporting boss is penetrated through by the first bolt mounting hole, the key strip and the reinforcing ring body form a connecting piece, and the supporting boss is provided with a connecting piece groove which is matched with the connecting piece and is used for embedding the connecting piece.
Preferably, the inner ring of the circular frame is provided with a C-shaped groove for accommodating the pin shaft.
Preferably, the reinforcing ring body and the key bar are at the same plane height.
Preferably, the contact surface of the pin shaft and the pin shaft seat is printed with knurls which can enhance the friction force.
Preferably, the knurling is straight knurling or cross-hatched knurling.
Preferably, the surface body of the circular ring-shaped frame is provided with a plurality of weight reduction thin layer areas which are uniformly distributed.
Preferably, the weight-reducing thin layer area is arc-shaped and is formed by adopting a solid-state die forging process.
Preferably, the spacer is 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 design of the ring-shaped frame of the utility model effectively solves the problems of material consumption and high manufacturing cost of the forging hexagonal frame on one hand and the problem of poor bending resistance of the traditional hexagonal frame on the other hand; the utility model adopts the solid-state die forging process to manufacture the spacer with very low cost, creates the possibility of the comprehensive popularization of the solid-state die forging process in the technical field of the spacer, and promotes the high-quality development of the spacer; in addition, the annular design has strong bending resistance, the galloping pulling force of the power transmission line can be released by the whole spacer, and the traditional spacer is not limited to the node position of the spacer, so that the stress release capability, the tensile strength and the vibration fatigue durability of the whole product are improved, the product quality is high, and the service life is long;
the structure design of the plum blossom-shaped cross shaft of the utility model further improves the tensile strength and the vibration fatigue endurance capacity of the whole product, effectively avoids the easy crack generation at the cross shaft, eliminates the potential safety hazard and further ensures the product quality of the whole spacer;
the utility model discloses have very strong practicality, promoted solid-state die forging technology at the practical application of conductor spacer technical field by force greatly, promoted the whole quality of conductor spacer, economy, social are showing.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the structure of a plum blossom-shaped cross shaft of the present invention;
fig. 5 is a schematic view of the back structure of the frame of the present invention.
In the figure: 1. a frame; 11. a first bolt mounting hole; 12. a support boss; 13. a connector slot; 14, a C-shaped groove; 15. a weight-reduction thin layer region; 2. wire clamps; 21. a wire clamp main body; 22. a cover plate; 23. installing a containing frame; 24. a pin shaft seat; 25. a pin shaft; 26. a quincunx cross shaft; 261. a spider frame body; 262. a key bar; 263. a reinforcing ring body; 27. a rubber column; 28. and a second bolt mounting hole.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
an annular spacer based on solid die forging comprises two frames 1 arranged in parallel and a wire clamp 2 fixedly clamped between the two frames 1, wherein the wire clamp 2 comprises a wire clamp main body 21, a cover plate 22, an installation accommodating frame 23, a pin shaft seat 24 and a pin shaft 25 fixedly inserted in the pin shaft seat 24, the frames 1 are annular, and a plurality of first bolt installation holes 11 are uniformly distributed in the annular frames 1; a plum blossom-shaped cross shaft 26 is arranged in the mounting and accommodating frame 23 of the wire clamp 2, and rubber columns 27 with buffering function are fixedly plugged in four quadrant areas of the plum blossom-shaped cross shaft 26 respectively;
the quincunx-shaped cross shaft 26 comprises a cross shaft frame body 261, wherein two end faces of the cross shaft frame body 261 are respectively provided with a key strip 262 protruding out of the end face surface, the center position of the cross shaft frame body 261 is provided with a second bolt mounting hole 28 penetrating through the key strip 262 and the cross shaft frame body 261, the key strip 262 is divided into two key strips by the second bolt mounting hole 28, and a reinforcing ring body 263 surrounding the periphery of the second bolt mounting hole 28 is arranged between the two key strips;
the back of the circular frame 1 is provided with a supporting boss 12, the middle of the supporting boss 12 is penetrated through by the first bolt mounting hole 11, the key strip 262 and the reinforcing ring body 263 form a connecting piece, and the supporting boss 12 is provided with a connecting piece groove 13 which is matched with the connecting piece and is used for embedding the connecting piece.
Preferably, the inner ring of the circular frame 1 is provided with a C-shaped groove 14 for accommodating the pin 25. The C-shaped groove is easy to be formed by solid die forging and is easy to produce and manufacture.
Preferably, the reinforcing ring 263 is at the same planar level as the splines 262. On one hand, the solid die forging manufacturing is convenient, on the other hand, the structural strength of the product is improved to the maximum extent, and the tensile property and the vibration fatigue durability are enhanced.
Preferably, the contact surface of the pin shaft 25 and the pin shaft seat 24 is printed with knurls which can enhance friction force. The solid die forging process cannot integrally form the pin shaft and the pin shaft seat like a casting process, only can be used for split forging, and the assembling firmness between the pin shaft and the pin shaft seat needs to be considered after the split forging. The firmness of the pin shaft and the pin shaft seat is enhanced by processing knurls on the surface of the pin shaft.
Preferably, the knurling is straight knurling or cross-hatched knurling.
Preferably, the surface body of the annular frame 1 is provided with a plurality of weight-reducing thin layer areas 15 which are uniformly distributed. The weight-reducing thin layer area is also synchronously forged in the process of forging the frame, and mainly plays a role in reducing raw materials and reducing weight.
Preferably, the weight-reducing thin layer region 15 is arc-shaped and is formed by adopting a solid-state die forging process.
Preferably, the spacer is a four-split spacer, a six-split spacer or an eight-split spacer.
Example 1:
an annular spacer based on solid die forging comprises two frames 1 arranged in parallel and a wire clamp 2 fixedly clamped between the two frames 1, wherein the wire clamp 2 comprises a wire clamp main body 21, a cover plate 22, an installation containing frame 23, a pin shaft seat 24 and a pin shaft 25 fixedly inserted in the pin shaft seat 24, the frames 1 are annular, and a plurality of first bolt installation holes 11 are uniformly distributed on the annular frames 1; a plum blossom-shaped cross shaft 26 is arranged in the mounting and accommodating frame 23 of the wire clamp 2, and rubber columns 27 with buffering function are fixedly plugged in four quadrant areas of the plum blossom-shaped cross shaft 26 respectively;
the quincunx cross shaft 26 comprises a cross shaft frame body 261, wherein two end faces of the cross shaft frame body 261 are respectively provided with a key strip 262 protruding out of the end face surface, the center of the cross shaft frame body 261 is provided with a second bolt installation hole 28 penetrating through the key strip 262 and the cross shaft frame body 261, the key strip 262 is divided into two key strips by the second bolt installation hole 28, and a reinforcing ring body 263 surrounding the periphery of the second bolt installation hole 28 is arranged between the two key strips;
the back of the circular frame 1 is provided with a supporting boss 12, the middle of the supporting boss 12 is penetrated by a first bolt mounting hole 11, the key strip 262 and the reinforcing ring body 263 form a connecting piece, and the supporting boss 12 is provided with a connecting piece groove 13 which is matched with the connecting piece and is used for embedding the connecting piece.
The assembly process of this embodiment is: the quincunx cross shaft is placed into the installation and accommodation frame, then four rubber columns are knocked into four quadrant areas of the quincunx cross shaft, and the rubber columns are assembled in the quincunx cross shaft and the installation and accommodation frame in an interference mode. And then, the wire clamp with the assembled quincunx cross shaft and the installing and accommodating frame is placed between the two frames, and after the connecting piece on the quincunx cross shaft is embedded into the connecting piece groove, the installing bolt penetrates through the first bolt installing hole and the second bolt installing hole to fixedly connect the wire clamp with the two frames.
The design of the annular frame of the embodiment effectively solves the problems of material consumption and high manufacturing cost of the forged hexagonal frame on one hand and solves the problem of poor bending resistance of the traditional hexagonal frame on the other hand; the embodiment adopts the solid die forging process to manufacture the spacer with low cost, creates possibility for the comprehensive popularization of the solid die forging process in the technical field of the spacer, and promotes the high-quality development of the spacer; in addition, the annular design has strong bending resistance, the galloping pulling force of the power transmission line can be released by the whole spacer, and the traditional spacer is not limited to the node position of the spacer, so that the stress release capability, the tensile strength and the vibration fatigue durability of the whole product are improved, the product quality is high, and the service life is long;
the structural design of the quincunx cross shaft further improves the tensile strength and the vibration fatigue endurance capacity of the whole product, effectively avoids the crack at the cross shaft, eliminates the potential safety hazard and further ensures the quality of the whole spacer product;
the embodiment has strong practicability, promotes the practical application of the solid die forging process in the technical field of the spacer, improves the overall quality of the spacer, and has remarkable economic and social benefits.
Example 2:
an annular spacer based on solid die forging comprises two frames 1 arranged in parallel and a wire clamp 2 fixedly clamped between the two frames 1, wherein the wire clamp 2 comprises a wire clamp main body 21, a cover plate 22, an installation containing frame 23, a pin shaft seat 24 and a pin shaft 25 fixedly inserted in the pin shaft seat 24, the frames 1 are annular, and a plurality of first bolt installation holes 11 are uniformly distributed on the annular frames 1; a plum blossom-shaped cross shaft 26 is arranged in the mounting and accommodating frame 23 of the wire clamp 2, and rubber columns 27 with buffering function are fixedly plugged in four quadrant areas of the plum blossom-shaped cross shaft 26 respectively; the quincunx cross shaft 26 comprises a cross shaft frame body 261, wherein two end faces of the cross shaft frame body 261 are respectively provided with a key strip 262 protruding out of the end face surface, the center of the cross shaft frame body 261 is provided with a second bolt installation hole 28 penetrating through the key strip 262 and the cross shaft frame body 261, the key strip 262 is divided into two key strips by the second bolt installation hole 28, and a reinforcing ring body 263 surrounding the periphery of the second bolt installation hole 28 is arranged between the two key strips; the back of the circular frame 1 is provided with a supporting boss 12, the middle of the supporting boss 12 is penetrated by a first bolt mounting hole 11, the key strip 262 and the reinforcing ring body 263 form a connecting piece, and the supporting boss 12 is provided with a connecting piece groove 13 which is matched with the connecting piece and is used for embedding the connecting piece.
The inner ring of the circular frame 1 of this embodiment is provided with a C-shaped groove 14 for receiving the pin 25. The C-shaped groove is easy to be formed by solid die forging and is easy to produce and manufacture. The reinforcing ring 263 is at the same planar level as the splines 262. On one hand, the solid die forging manufacturing is convenient, on the other hand, the structural strength of the product is improved to the maximum extent, and the tensile property and the vibration fatigue durability are enhanced. Knurling for enhancing friction force is printed on the contact surface of the pin shaft 25 and the pin shaft seat 24. The solid die forging process cannot integrally form the pin shaft and the pin shaft seat like a casting process, only can be used for split forging, and the assembling firmness between the pin shaft and the pin shaft seat needs to be considered after the split forging. The firmness of the pin shaft and the pin shaft seat is enhanced by processing knurls on the surface of the pin shaft. The knurling is straight knurling or reticulate pattern knurling. The surface body of the circular ring-shaped frame 1 is provided with a plurality of weight-reducing thin layer areas 15 which are uniformly distributed. The weight-reducing thin layer area is also synchronously forged in the process of forging the frame, and mainly plays a role in reducing raw materials. The weight-reducing thin layer area 15 is arc-shaped and is formed by adopting a solid die forging process. The spacer is a four-split spacer, a six-split spacer and an eight-split spacer.
The assembly process of this embodiment is: the quincunx cross shaft is placed into the installation and accommodation frame, then four rubber columns are knocked into four quadrant areas of the quincunx cross shaft, and the rubber columns are assembled in the quincunx cross shaft and the installation and accommodation frame in an interference mode. And then, the wire clamp with the assembled quincunx cross shaft and the installing and accommodating frame is placed between the two frames, and after the connecting piece on the quincunx cross shaft is embedded into the connecting piece groove, the installing bolt penetrates through the first bolt installing hole and the second bolt installing hole to fixedly connect the wire clamp with the two frames.
The design of the annular frame of the embodiment effectively solves the problems of material consumption and high manufacturing cost of the forged hexagonal frame on one hand and solves the problem of poor bending resistance of the traditional hexagonal frame on the other hand; the embodiment adopts the solid die forging process to manufacture the spacer with low cost, creates possibility for the comprehensive popularization of the solid die forging process in the technical field of the spacer, and promotes the high-quality development of the spacer; in addition, the annular design has strong bending resistance, the galloping pulling force of the power transmission line can be released by the whole spacer, and the traditional spacer is not limited to the node position of the spacer, so that the stress release capability, the tensile strength and the vibration fatigue durability of the whole product are improved, the product quality is high, and the service life is long;
the structural design of the quincunx cross shaft further improves the tensile strength and the vibration fatigue endurance capacity of the whole product, effectively avoids the crack at the cross shaft, eliminates the potential safety hazard and further ensures the quality of the whole spacer product;
the embodiment has strong practicability, promotes the practical application of the solid die forging process in the technical field of the spacer, improves the overall quality of the spacer, and has remarkable economic and social benefits.
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 (8)
1. The utility model provides an annular conductor spacer based on solid state die forging, includes the frame and the fastener of fixed centre gripping between two frames that two side by side set up, the fastener includes that fastener main part, apron, installation hold frame, round pin axle bed and fixed the round pin axle of interlude in the round pin axle bed, its characterized in that: the frame is in a circular ring shape, and a plurality of first bolt mounting holes are uniformly distributed on the circular ring-shaped frame; a plum blossom-shaped cross shaft is arranged in the mounting and accommodating frame of the wire clamp, and rubber columns with buffering functions are respectively and fixedly plugged in four quadrant areas of the plum blossom-shaped cross shaft;
the quincunx cross shaft comprises a cross shaft frame body, wherein two end faces of the cross shaft frame body are respectively provided with a key strip protruding out of the surface of the end face, the center of the cross shaft frame body is provided with a second bolt mounting hole penetrating through the key strip and the cross shaft frame body, the key strip is divided into two key strips through the second bolt mounting hole, and a reinforcing ring body surrounding the periphery of the second bolt mounting hole is arranged between the two key strips;
the back of the circular frame is provided with a supporting boss, the middle of the supporting boss is penetrated through by the first bolt mounting hole, the key strip and the reinforcing ring body form a connecting piece, and the supporting boss is provided with a connecting piece groove which is matched with the connecting piece and is used for embedding the connecting piece.
2. The solid state swaging-based annular spacer of claim 1, wherein: the inner ring of the circular frame is provided with a C-shaped groove for accommodating the pin shaft.
3. The solid state swaging-based annular spacer of claim 1 or 2, wherein: the reinforcing ring body and the key bars are in the same plane height.
4. The solid state swaging-based annular spacer of claim 1, wherein: and knurling for enhancing the friction force is printed on the contact surface of the pin shaft and the pin shaft seat.
5. The solid state swaging-based annular spacer of claim 4, wherein: the knurling is straight line knurling or reticulate pattern knurling.
6. The solid state swaging-based annular spacer of claim 1, wherein: the meter body of the circular frame is provided with a plurality of weight-reducing thin layer areas which are uniformly distributed.
7. The solid state swaging-based annular spacer of claim 6, wherein: the weight-reducing thin layer area is arc-shaped and is formed by adopting a solid die forging process.
8. The solid state swaging-based annular spacer of claim 1, wherein: the spacer is a four-split spacer, a six-split spacer and an eight-split spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121671403.0U CN215071559U (en) | 2021-07-21 | 2021-07-21 | Annular spacer based on solid die forging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121671403.0U CN215071559U (en) | 2021-07-21 | 2021-07-21 | Annular spacer based on solid die forging |
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| Publication Number | Publication Date |
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| CN215071559U true CN215071559U (en) | 2021-12-07 |
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| CN202121671403.0U Active CN215071559U (en) | 2021-07-21 | 2021-07-21 | Annular spacer based on solid die forging |
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| CN (1) | CN215071559U (en) |
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2021
- 2021-07-21 CN CN202121671403.0U patent/CN215071559U/en active Active
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