CN220973973U - Rotatable elastic insulating suspension assembly of wire clamp - Google Patents
Rotatable elastic insulating suspension assembly of wire clamp Download PDFInfo
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- CN220973973U CN220973973U CN202322930159.0U CN202322930159U CN220973973U CN 220973973 U CN220973973 U CN 220973973U CN 202322930159 U CN202322930159 U CN 202322930159U CN 220973973 U CN220973973 U CN 220973973U
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- wire clamp
- suspension assembly
- rotating part
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- 239000000725 suspension Substances 0.000 title claims abstract description 47
- 229920001971 elastomer Polymers 0.000 claims description 13
- 239000000806 elastomer Substances 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000012212 insulator Substances 0.000 description 11
- 239000002131 composite material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Insulating Bodies (AREA)
Abstract
The utility model provides a rotatable elastic insulating suspension assembly for a wire clamp, and belongs to the technical field of rail transit. It has solved the current unable rotatory problem of suspension assembly fastener. The rotatable elastic insulating suspension assembly of the wire clamp comprises an insulating umbrella skirt, a wire clamp and a sleeve fixedly connected in the insulating umbrella skirt, wherein a first rotating part is arranged at the bottom of the sleeve, a first annular rotating groove is formed in the first rotating part, a second rotating part is arranged at the top of the wire clamp, a second annular rotating groove is formed in the second rotating part, a plurality of balls are embedded in the first rotating groove and the second rotating groove, the wire clamp and the sleeve are axially positioned, and the balls enable the wire clamp to rotate around the sleeve. The rotatable elastic insulating suspension assembly of the wire clamp has the advantages that the wire clamp can rotate, and the service life of the suspension assembly is prolonged.
Description
Technical Field
The utility model belongs to the technical field of rail transit, and relates to a rotatable elastic insulating suspension assembly of a wire clamp.
Background
In electrified railways and urban rail transit, overhead contact network buses and cables are required to be utilized, the traditional suspension assembly is rigid, the contact line is worn greatly, the problem of arc discharge can be caused when the contact line is seriously worn, and the service life of the contact line is reduced.
Various improvements have been made to the above problems, and some have also filed patents, for example, chinese patent literature discloses an elastic composite insulator for overhead rigid catenary [ patent number: 200710070107.3; authorized bulletin number: CN 100503307C ], the composite insulator comprises a umbrella skirt sheath, a bolt for fixing the composite insulator with a tunnel steel beam is connected with a filling epoxy resin core rod, a cylinder is arranged at the top of a bus bar positioning wire clamp made of stainless steel or copper, a rubber elastic layer is tightly combined between the inner wall of the cylinder and the core rod, and the outer wall of the cylinder is tightly combined with the inner wall of the umbrella skirt sheath.
Due to the arrangement of the rubber elastic layer, the axial elasticity of the insulator is increased on the premise of ensuring the radial rigidity of the insulator, the impact of the pantograph on the overhead rigid contact net is reduced, and the service life of the insulator is prolonged. But the insulator of this kind of structure, the fastener links firmly in the bottom of insulator, and the busbar passes the fastener, hangs the busbar through the fastener, and the busbar can have certain deformation because the problem of expend with heat and contract with cold, has the problem of blocking with the fastener in radial on the busbar warp, leads to the inside stress increase of insulator, and the atress increases, makes the insulator damage easily, reduces life, and the problem that the busbar is blocked with the fastener because the problem of expend with heat and contract with cold is more obvious especially in the busbar of bend department.
Disclosure of utility model
The utility model aims to solve the problems in the prior art, and provides a rotatable elastic insulating suspension assembly for a wire clamp, which solves the technical problem of enabling the wire clamp to rotate and prolonging the service life of the suspension assembly.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a rotatable formula elasticity of fastener is insulating hangs subassembly, includes insulating umbrella skirt, fastener and links firmly sleeve in the insulating umbrella skirt, its characterized in that, telescopic bottom has first rotation portion, have in the first rotation portion and be annular first rotary groove, the top of fastener has second rotation portion, have in the second rotation portion and be annular second rotary groove, first rotary groove with the embedding is provided with a plurality of ball in the second rotary groove, the ball makes the fastener with sleeve axial positioning, the ball makes the fastener can wind the sleeve is rotatory.
The busbar passes the fastener, the fastener hangs the busbar, the busbar is because expend with heat and contract with cold produces when warping, busbar and fastener contact, because the setting of ball makes the fastener rotate around the sleeve, busbar contact fastener makes the fastener rotatory certain angle, through the adjustment mode of self-adaptation, make busbar and fastener be in a suitable position on radial, avoid busbar and fastener to block firmly, avoid hanging the stress concentration in the subassembly, make and hang the subassembly not fragile, improve the life who hangs the subassembly, this hang the subassembly and use the busbar department effect at the bend best. The ball embedding sets up in first rotary groove and the second rotary groove, makes fastener and sleeve axial positioning through the ball, makes the fastener hang in telescopic bottom, and the ball makes the fastener rotate around the sleeve moreover, and the ball has two kinds of effects, and the function is various.
In the rotatable elastic insulating suspension assembly of the wire clamp, the first rotating part is annular, the first rotating groove is located on the outer side of the circumference of the first rotating part, the second rotating part is annular, the second rotating groove is located on the inner side of the circumference of the second rotating part, and the first rotating part is embedded in the second rotating part, so that the first rotating groove corresponds to the second rotating groove. The structure makes the suspension assembly compact in structure, and simultaneously makes the rotating sensitivity of the wire clamp high, so that the problem of clamping does not exist.
In the rotatable elastic insulating suspension assembly of the wire clamp, the second rotating part is provided with a penetrating through hole, the through hole is communicated with the second rotating groove, the ball enters the first rotating groove and the second rotating groove through the through hole, and the through hole is detachably and fixedly connected with the plug. After the first rotating part and the second rotating part are mutually inserted, the balls are fed into the first rotating groove and the second rotating groove through the through holes, after the ball is conveyed, the balls can be located in the first rotating groove and the second rotating groove and cannot fall out through plugging the through holes through plugs, and the ball is convenient to install.
In the rotatable elastic insulating suspension assembly of the wire clamp, the sleeve further comprises a cylinder body, the first rotating part is arranged at the bottom of the cylinder body in a protruding mode, and the circumferential outer side wall of the second rotating part is flush with the circumferential outer side wall of the cylinder body. The structure ensures that the suspension assembly has good integrity and compact structure.
As another aspect, in the above-mentioned rotatable elastic insulating suspension assembly for wire clamps, the first rotating portion is annular, the first rotating groove is located at the inner circumferential side of the first rotating portion, the second rotating portion is annular, the second rotating groove is located at the outer circumferential side of the second rotating portion, and the second rotating portion is embedded in the first rotating portion, so that the first rotating groove corresponds to the second rotating groove. The structure makes the suspension assembly compact in structure, and simultaneously makes the rotating sensitivity of the wire clamp high, so that the problem of clamping does not exist.
In the rotatable elastic insulating suspension assembly of the wire clamp, the first rotating part is provided with a penetrating through hole, the through hole is communicated with the first rotating groove, the ball enters the first rotating groove and the second rotating groove through the through hole, and the through hole is detachably and fixedly connected with the plug. After the first rotating part and the second rotating part are mutually inserted, the balls are fed into the first rotating groove and the second rotating groove through the through holes, after the ball is conveyed, the balls can be located in the first rotating groove and the second rotating groove and cannot fall out through plugging the through holes through plugs, and the ball is convenient to install.
In the rotatable elastic insulating suspension assembly of the wire clamp, the cross sections of the first rotary groove and the second rotary groove are semicircular, and the inner diameter of a mounting channel formed by the first rotary groove and the second rotary groove is slightly larger than the outer diameter of the ball. The structure ensures that the ball plays the best role of clamping and rotating, so that the wire clamp can not be clamped.
In the rotatable elastic insulating suspension assembly of the wire clamp, the suspension assembly further comprises an elastic body, a core rod and a hardware fitting, wherein the elastic body is fixedly connected in the sleeve, the core rod is fixedly connected in the insulating umbrella skirt, the bottom of the core rod is inserted and fixedly connected in the elastic body, the bottom of the hardware fitting is inserted and fixedly connected in the top of the core rod, and the top of the hardware fitting extends out of the insulating umbrella skirt.
In the rotatable elastic insulating suspension assembly of the wire clamp, the elastic body is integrally located in the sleeve, a through buffer hole is formed in the bottom of the sleeve, the buffer hole is communicated with the space inside the first rotating portion, and the elastic body is partially located in the buffer hole. The whole sleeve that is arranged in of elastomer, make the sleeve protect the elastomer, can not appear cracked problem when making the elastomer warp, can be partly through the buffer hole entering into in the space of first rotation part inside when the setting of buffer hole makes the elastomer warp, release internal stress, make the elastomer not fragile, make the inside stability of suspension assembly, improve suspension assembly's life.
In the rotatable elastic insulating suspension assembly of the wire clamp, the circumferential outer side wall of the bottom of the core rod is provided with the clamping groove which is arranged in an annular concave manner, the elastic body is provided with the clamping part which is arranged in a protruding manner and is annular, and the clamping part is embedded into the clamping groove to axially position the core rod and the elastic body. According to the structure, the elastic body and the core rod play a better role in axial positioning, the core rod can generate certain displacement along the axial direction of the suspension assembly under the action of elastic deformation of the elastic body, the impact of the pantograph on the overhead rigid contact net is reduced, and the service life of the insulator is prolonged.
Compared with the prior art, the rotatable elastic insulating suspension assembly of the wire clamp has the following advantages:
1. This suspension assembly makes fastener and sleeve axial positioning through the ball, makes the fastener hang in telescopic bottom, and the ball makes the fastener can rotate around the sleeve moreover, and the ball has two kinds of effects, and the function is various.
2. The wire clamp of this suspension assembly can rotate, and the busbar is because expend with heat and contract with cold produces when warping, and busbar contact wire clamp makes the wire clamp rotatory certain angle, through the adjustment mode of self-adaptation, makes busbar and wire clamp be in a suitable position on radial, avoids busbar and wire clamp hard blocking, avoids hanging the stress concentration in the assembly, makes the suspension assembly not fragile, improves the life who hangs the assembly.
Drawings
Figure 1 is a transverse cross-sectional view of the overall construction of the present suspension assembly.
Figure 2 is a longitudinal cross-sectional view of the overall construction of the present suspension assembly.
Fig. 3 is an enlarged view of the present suspension assembly of the area of fig. 2A.
Fig. 4 is a schematic view of the overall structure of the present suspension assembly sleeve.
Fig. 5 is a schematic view of the overall structure of the present suspension assembly clamp.
In the figure, 1, an insulating umbrella skirt; 2. a wire clamp; 21. a second rotating part; 211. a second rotary groove; 3. a sleeve; 31. a first rotating part; 311. a first rotary groove; 32. a cylinder; 33. buffering holes; 4. a ball; 5. a via hole; 6. a plug; 7. an elastomer; 71. a clamping part; 8. a core rod; 81. a clamping groove; 9. and hardware fittings.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Example 1
As shown in fig. 1 and 2, the rotatable elastic insulating suspension assembly of the wire clamp comprises an insulating umbrella skirt 1, a wire clamp 2, a sleeve 3, balls 4, an elastic body 7, a core rod 8 and a hardware fitting 9.
The sleeve 3 is fixedly connected in the insulating umbrella skirt 1, the elastic body 7 is integrally positioned in the sleeve 3, the core rod 8 is fixedly connected in the insulating umbrella skirt 1, the bottom of the core rod 8 is inserted and fixedly connected in the elastic body 7, specifically, the circumferential outer side wall of the bottom of the core rod 8 is provided with a clamping groove 81 which is arranged in an annular concave manner, the elastic body 7 is provided with a convex clamping part 71 which is arranged in an annular manner, and the clamping part 71 is embedded in the clamping groove 81 to axially position the core rod 8 and the elastic body 7. The bottom of the hardware fitting 9 is inserted and fixedly connected into the top of the core rod 8, and the top of the hardware fitting 9 extends out of the insulating umbrella skirt 1.
As shown in fig. 4, the sleeve 3 includes a cylindrical body 32 and a first rotating portion 31 protruding from the bottom of the cylindrical body 32 and having a ring shape, and a first rotating groove 311 is located on the circumferential outer side of the first rotating portion 31, and the first rotating groove 311 has a ring shape. As shown in fig. 5, the top of the wire clip 2 has a second rotating portion 21 having a ring shape, the second rotating groove 211 is located at the inner circumferential side of the second rotating portion 21, the second rotating groove 211 has a ring shape, the cross sections of the first rotating groove 311 and the second rotating groove 211 are all semicircular, the first rotating portion 31 is embedded in the second rotating portion 21, so that the first rotating groove 311 and the second rotating groove 211 correspond to each other, the inner diameter of a mounting channel formed by the first rotating groove 311 and the second rotating groove 211 is slightly larger than the outer diameter of the ball 4, and the circumferential outer side wall of the second rotating portion 21 is flush with the circumferential outer side wall of the cylinder 32. In this embodiment, twenty balls 4 are disposed in the first rotating groove 311 and the second rotating groove 211, the balls 4 axially position the wire clamp 2 and the sleeve 3, and enable the wire clamp 2 to rotate around the sleeve 3, and in actual production, the number of the balls 4 may be ten or thirty.
As shown in fig. 3, the second rotating portion 21 has a through hole 5 penetrating therethrough, the through hole 5 is in communication with the second rotating groove 211, the ball 4 enters the first rotating groove 311 and the second rotating groove 211 through the through hole 5, and the plug 6 is detachably and fixedly connected to the through hole 5.
The bottom of the sleeve 3 has a buffer hole 33 penetrating therethrough, the buffer hole 33 being in communication with the space inside the first rotating portion 31, and the elastic body 7 being partially located in the buffer hole 33.
In assembly, the first rotating part 31 is inserted into the second rotating part 21, and then the balls 4 are fed into the first rotating groove 311 and the second rotating groove 211 through the through holes 5, so that the wire clamp 2 and the sleeve 3 are axially positioned, and the wire clamp 2 can rotate around the sleeve 3. The busbar passes through the wire clamp 2, and the busbar is hung through the wire clamp 2, so that when the busbar expands and contracts with cold to deform, the busbar deforms to drive the wire clamp 2 to rotate, the busbar and the wire clamp 2 are prevented from being clamped hard, and stress concentration is avoided.
Example two
The present embodiment is basically the same as the first embodiment in terms of structure and principle, except that in the present embodiment, the first rotating portion 31 is annular, the first rotating groove 311 is located at the inner side of the first rotating portion 31 in the circumferential direction, the second rotating portion 21 is annular, the second rotating groove 211 is located at the outer side of the second rotating portion 21 in the circumferential direction, and the second rotating portion 21 is embedded in the first rotating portion 31, so that the first rotating groove 311 and the second rotating groove 211 correspond to each other. The first rotating portion 31 has a through hole 5 penetrating therethrough, the through hole 5 is communicated with the first rotating groove 311, the ball 4 enters the first rotating groove 311 and the second rotating groove 211 through the through hole 5, and the plug 6 is detachably and fixedly connected in the through hole 5.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although terms such as the insulating umbrella skirt 1, the wire clip 2, the second rotating portion 21, the second rotating groove 211, the sleeve 3, the first rotating portion 31, the first rotating groove 311, the cylinder 32, the buffer hole 33, the ball 4, the via hole 5, the plug 6, the elastic body 7, the clamping portion 71, the mandrel 8, the clamping groove 81, the fitting 9, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides a rotatable formula elastic insulation suspension assembly of fastener, includes insulating chute (1), fastener (2) and links firmly sleeve (3) in insulating chute (1), its characterized in that, the bottom of sleeve (3) has first rotation portion (31), have in first rotation portion (31) and be annular first rotary groove (311), the top of fastener (2) has second rotation portion (21), have in second rotation portion (21) and be annular second rotary groove (211), first rotary groove (311) with the embedding is provided with a plurality of ball (4) in second rotary groove (211), ball (4) make fastener (2) with sleeve (3) axial positioning, ball (4) make fastener (2) can wind sleeve (3) rotation.
2. The rotatable elastic insulating suspension assembly of a wire clamp according to claim 1, characterized in that the first rotating part (31) is annular, the first rotating groove (311) is located on the outer circumferential side of the first rotating part (31), the second rotating part (21) is annular, the second rotating groove (211) is located on the inner circumferential side of the second rotating part (21), and the first rotating part (31) is embedded in the second rotating part (21) so that the first rotating groove (311) and the second rotating groove (211) correspond.
3. The rotatable elastic insulating suspension assembly of the wire clamp according to claim 2, characterized in that the second rotating part (21) is provided with a through hole (5) penetrating through, the through hole (5) is communicated with the second rotating groove (211), the ball (4) enters the first rotating groove (311) and the second rotating groove (211) through the through hole (5), and a plug (6) is detachably and fixedly connected in the through hole (5).
4. A rotatable resilient insulating suspension assembly for a wire clamp according to claim 2, characterized in that the sleeve (3) further comprises a cylinder (32), the first rotating part (31) being arranged protruding at the bottom of the cylinder (32), the circumferential outer side wall of the second rotating part (21) being flush with the circumferential outer side wall of the cylinder (32).
5. The rotatable elastic insulating suspension assembly of a wire clamp according to claim 1, characterized in that the first rotating part (31) is annular, the first rotating groove (311) is positioned on the inner circumferential side of the first rotating part (31), the second rotating part (21) is annular, the second rotating groove (211) is positioned on the outer circumferential side of the second rotating part (21), and the second rotating part (21) is embedded in the first rotating part (31) so that the first rotating groove (311) and the second rotating groove (211) correspond.
6. The rotatable elastic insulating suspension assembly of the wire clamp according to claim 5, characterized in that the first rotating part (31) is provided with a through hole (5) penetrating through, the through hole (5) is communicated with the first rotating groove (311), the ball (4) enters the first rotating groove (311) and the second rotating groove (211) through the through hole (5), and a plug (6) is detachably and fixedly connected in the through hole (5).
7. A rotatable elastic insulating suspension assembly for a wire clamp according to any one of claims 1-6, characterized in that the cross sections of the first rotation groove (311) and the second rotation groove (211) are semicircular, and the inner diameter of the installation channel formed by the first rotation groove (311) and the second rotation groove (211) is slightly larger than the outer diameter of the ball (4).
8. The rotatable elastic insulating suspension assembly of any one of claims 1-6, further comprising an elastomer (7), a mandrel (8) and a fitting (9), wherein the elastomer (7) is fixedly connected to the sleeve (3), the mandrel (8) is fixedly connected to the insulating umbrella skirt (1), the bottom of the mandrel (8) is fixedly connected to the elastomer (7) in an inserted manner, the bottom of the fitting (9) is fixedly connected to the top of the mandrel (8), and the top of the fitting (9) extends out of the insulating umbrella skirt (1).
9. A rotatable resilient insulating suspension assembly for a wire clamp according to claim 8, characterized in that the elastomer (7) is integrally located in the sleeve (3), the bottom of the sleeve (3) has a buffer hole (33) therethrough, the buffer hole (33) is in communication with the space inside the first rotating part (31), and the elastomer (7) is partly located in the buffer hole (33).
10. The rotatable elastic insulating suspension assembly of the wire clamp according to claim 8, characterized in that a clamping groove (81) which is arranged in an annular concave manner is formed in the circumferential outer side wall of the bottom of the core rod (8), a convex clamping portion (71) which is arranged in an annular manner is formed in the elastic body (7), and the clamping portion (71) is embedded in the clamping groove (81) so that the core rod (8) and the elastic body (7) are axially positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322930159.0U CN220973973U (en) | 2023-10-31 | 2023-10-31 | Rotatable elastic insulating suspension assembly of wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322930159.0U CN220973973U (en) | 2023-10-31 | 2023-10-31 | Rotatable elastic insulating suspension assembly of wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220973973U true CN220973973U (en) | 2024-05-17 |
Family
ID=91040283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322930159.0U Active CN220973973U (en) | 2023-10-31 | 2023-10-31 | Rotatable elastic insulating suspension assembly of wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220973973U (en) |
-
2023
- 2023-10-31 CN CN202322930159.0U patent/CN220973973U/en active Active
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