CN210680465U - Non-bolt forging type integral dropper - Google Patents
Non-bolt forging type integral dropper Download PDFInfo
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- CN210680465U CN210680465U CN201921204186.7U CN201921204186U CN210680465U CN 210680465 U CN210680465 U CN 210680465U CN 201921204186 U CN201921204186 U CN 201921204186U CN 210680465 U CN210680465 U CN 210680465U
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Abstract
A bolt-free forging type integral dropper comprises a contact line dropper wire clamp, a carrier cable dropper wire clamp, a pressure joint ring, a current-carrying wire and a dropper wire, wherein the contact line dropper wire clamp and the carrier cable dropper wire clamp are respectively composed of a main clamp plate, an auxiliary clamp plate and a pin shaft; the main clamping plate and the auxiliary clamping plate are both in an L-shaped step structure, pin shaft holes are formed in the upper parts of the main clamping plate and the auxiliary clamping plate along the line direction, the upper parts of the inner sides of the main clamping plate and the auxiliary clamping plate are provided with inclined planes, and the lower parts of the inner sides of the main clamping plate and the auxiliary clamping plate are provided with clamping openings matched with contact; the main clamping plate and the auxiliary clamping plate are oppositely arranged, one end of the pin shaft is inserted into the pin shaft hole on the main clamping plate in an interference fit mode, the auxiliary clamping plate is sleeved at the other end of the pin shaft through the pin shaft hole gap on the auxiliary clamping plate, and the inclined surfaces are attached; and pushing the auxiliary clamping plate into the main clamping plate along the pin shaft to enable the front end surface and the rear end surface of the main clamping plate to be parallel and level, and clamping the contact line or the carrier cable through the clamping opening after the inclined surfaces are completely attached. The utility model discloses adopt the eccentric anchor of round pin axle to connect between main, the auxiliary splint, whole subassembly is small in quantity, and it is visible high to install, simple to operate, safe and reliable.
Description
Technical Field
The utility model belongs to electronic railway contact net erects equipment, concretely relates to whole dropper of no bolt forging type.
Background
At present, the integral dropper used in the electrified railway contact network system can be divided into two types from the processing technology and the connection mode: the first type is that the fastener body adopts forging, punching press technology processing to form, and press from both sides the bolt formula structure of tight clue after bolted connection, and the second type is that the fastener body adopts casting process processing to form, is equipped with wedge clamping mechanism on the fastener body, need not the bolt formula structure that the bolt can press from both sides tight clue. When the bolt type dropper wire clamp is installed on site, the influence of the operation level of personnel is large, and when the fastening torque is large, the wire clamp body is damaged; the fastening torque is too small, and the bolt is loosened after long-term use, so that potential safety hazards exist; meanwhile, the defects of complex installation and the like exist. The cast and formed boltless dropper wire clamp is simple to install and use on site, but is formed by adopting a copper alloy casting mode, so that casting defects such as large crystal grains, air holes, shrinkage porosity and the like are easily generated, the yield of products is low, flaw detection is required, and the production cost is high; and because the existing cast and molded boltless type dropper wire clamp cannot be produced by adopting a forging process due to the limitation of the structure and the working principle, the cast and molded boltless type dropper wire clamp has a further improved space.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: a bolt-free forging integral dropper is designed to overcome the defects of the prior art.
The technical solution of the utility model is as follows: a bolt-free forging type integral dropper comprises a contact line dropper wire clamp, a carrier cable dropper wire clamp, a pressure joint ring, a current-carrying wire and a dropper wire, wherein the contact line dropper wire clamp and the carrier cable dropper wire clamp are respectively composed of a main clamping plate, an auxiliary clamping plate and a pin shaft;
the main clamping plate is of an inverted L-shaped step structure, the rear half part of the main clamping plate is provided with an upward first boss, the front half part of the main clamping plate is provided with a first step, and the lower part of the inner side of the main clamping plate is provided with a first clamping opening matched with a contact line or a carrier cable; the first boss is provided with a first pin shaft hole along the line direction, a first arc-shaped lifting lug extends upwards, and the inner side of the first arc-shaped lifting lug is provided with a first inclined plane inclined along the line direction; a first platform is arranged below the inner side of the first boss;
the auxiliary splint is in an inverted L-shaped step structure, the front half part of the auxiliary splint is provided with an upward second boss, the rear half part of the auxiliary splint is provided with a second step, and the lower part of the inner side of the auxiliary splint is provided with a second clamping opening matched with the contact line or the carrier cable; a second pin shaft hole is formed in the second boss along the line direction, a second arc-shaped lifting lug extends upwards from the second boss, and a second inclined plane inclined along the line direction is formed on the inner side of the second arc-shaped lifting lug; the inclination angles of the first inclined plane and the second inclined plane are consistent; a second platform is arranged below the inner side of the second boss;
the main clamping plate and the auxiliary clamping plate are oppositely arranged, one end of the pin shaft is inserted into the first pin shaft hole in an interference fit mode, the auxiliary clamping plate is sleeved at the other end of the first pin shaft through a second pin shaft hole gap on the auxiliary clamping plate, the first inclined plane is attached to the second inclined plane, the first platform is located on the second step, and the second platform is located on the first step; pushing the auxiliary clamping plate along the first pin shaft to enable the auxiliary clamping plate to be flush with the front end face and the rear end face of the main clamping plate, after the first inclined plane and the second inclined plane are completely attached, the centers of the first pin shaft hole and the second pin shaft hole are respectively positioned at two sides of the center of the contact line or the carrier cable, and the contact line or the carrier cable is clamped through the first clamping opening and the second clamping opening; meanwhile, the first arc-shaped lifting lug and the second arc-shaped lifting lug are encircled to form a lifting ring structure;
the crimping rings are respectively sleeved in the upper and lower hanging ring structures after being crimped with the two ends of the hanging string to form ring-to-ring hinged connection; one end of the current-carrying wire is in compression joint with the compression joint ring, and the other end of the current-carrying wire is in compression joint with the main clamping plate.
All have vertical toper half slot on first inclined plane and the second inclined plane, and first inclined plane and second inclined plane laminating back completely, the plug-in is equipped with toper parallel pin in the vertical toper half slot, and restriction main board and auxiliary splint slide each other.
A first through hole is formed in the first boss along the circuit direction, a first counter bore is formed in the direction perpendicular to the first through hole, and the first through hole is located above the first pin shaft hole; one end of the compression joint ring is provided with a circular ring, the middle part of the compression joint ring is provided with a second through hole and a second counter bore, the second counter bore is vertical to the second through hole, and the other end of the compression joint ring is provided with a compression joint pipe; one end of the current-carrying wire penetrates through the first through hole and then is in compression joint with the main clamping plate through the first counter bore, and the other end of the current-carrying wire penetrates through the second through hole and then is in compression joint with the middle part of the compression joint ring through the second counter bore; two ends of the dropper line penetrate into the crimping pipe respectively and are fixed with the crimping pipe in a crimping mode, and the circular ring is sleeved into the hanging ring structure to form ring-to-ring hinged connection.
The main clamping plate, the auxiliary clamping plate and the crimping ring are all formed by forging copper alloy.
Compared with the prior art, the utility model advantage and effect that have:
1. the main clamping plate and the auxiliary clamping plate of the utility model are both formed by forging, which replaces the original casting forming mode of the bolt-free dropper wire clamp, avoids the defects caused by casting and reduces the production cost; meanwhile, the safety and reliability of product use are improved, and the popularization and implementation are facilitated.
2. The utility model discloses adopt the eccentric anchor of round pin axle to connect between main, the auxiliary splint, whole subassembly is small in quantity, and it is visible high to install, simple to operate, safe and reliable.
3. The utility model adopts the boltless structure, cancels the traditional bolt structure, reduces the occurrence of safety accidents caused by human misoperation, and improves the safety and reliability; meanwhile, the number of components is reduced, so that the installation steps are simplified, and the labor intensity of constructors is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the contact wire dropper clamp of the present invention;
FIG. 3 is a schematic view of the contact wire dropper cable clamp assembly of the present invention;
FIG. 4 is a side view of the main clamping plate of the contact wire dropper of the present invention;
FIG. 5 is a top view of the main clamping plate of the contact wire dropper clamp of the present invention;
fig. 6 is a side view of the contact wire dropper sub-clamp of the present invention;
FIG. 7 is a top view of the contact wire dropper sub-clamp of the present invention;
fig. 8 is an exploded view of the messenger wire dropper wire clamp of the present invention;
fig. 9 is a schematic view of the combined structure of the carrier cable dropper wire clamp of the present invention;
fig. 10 is a side view of the main clamping plate of the messenger wire dropper wire clamp of the present invention;
fig. 11 is a top view of the main clamping plate of the messenger wire dropper wire clamp of the present invention;
fig. 12 is a side view of the auxiliary clamp plate of the carrier cable dropper clamp of the present invention;
fig. 13 is a top view of the auxiliary clamp plate of the messenger wire dropper clamp of the present invention;
fig. 14 is a schematic view of a crimp ring structure according to the present invention;
fig. 15 is a schematic structural view of the pin shaft of the present invention.
Detailed Description
An embodiment of the present invention will be described with reference to fig. 1-15.
A bolt-free forging type integral dropper comprises a contact line dropper wire clamp 1, a carrier cable dropper wire clamp 2, a pressure joint ring 3, a current-carrying wire 4 and a dropper wire 5, wherein the contact line dropper wire clamp 1 and the carrier cable dropper wire clamp 2 are respectively composed of a main clamping plate 6, an auxiliary clamping plate 7 and a pin shaft 8;
the main splint 6 is of an inverted L-shaped step structure, the rear half part of the main splint is provided with an upward first boss 6-1, the front half part of the main splint is provided with a first step 6-2, and the lower part of the inner side of the main splint is provided with a first clamping opening 6-3 matched with a contact line 9 or a carrier cable 10; a first pin shaft hole 6-4 along the line direction is formed in the first boss 6-1, a first arc-shaped lifting lug 6-5 extends upwards from the first boss 6-1, and a first inclined surface 6-6 inclined along the line direction is arranged on the inner side of the first arc-shaped lifting lug 6-5; a first platform 6-7 is arranged below the inner side of the first boss 6-1;
the auxiliary splint 7 is in an inverted L-shaped step structure, the front half part of the auxiliary splint is provided with an upward second boss 7-1, the rear half part of the auxiliary splint is provided with a second step 7-2, and the lower part of the inner side of the auxiliary splint is provided with a second clamping opening 7-3 matched with the contact line 9 or the carrier cable 10; a second pin shaft hole 7-4 is formed in the second boss 7-1 along the line direction, a second arc-shaped lifting lug 7-5 extends upwards from the second boss 7-1, and a second inclined surface 7-6 inclined along the line direction is arranged on the inner side of the second arc-shaped lifting lug 7-5; the inclination angles of the first inclined plane 6-6 and the second inclined plane 7-6 are consistent; a second platform 7-7 is arranged below the inner side of the second boss 7-1;
the main clamping plate 6 and the auxiliary clamping plate 7 are oppositely arranged, one end of the pin shaft 8 is inserted into a first pin shaft hole 6-4 in an interference fit mode, the auxiliary clamping plate 7 is sleeved at the other end of the first pin shaft 8 through a second pin shaft hole 7-4 clearance on the auxiliary clamping plate, the first inclined surface 6-6 is attached to the second inclined surface 7-6, the first platform 6-7 is located on the second step 7-2, and the second platform 7-7 is located on the first step 6-2; the auxiliary splint 7 is pushed in along the first pin shaft 8, so that the auxiliary splint 7 is flush with the front end face and the rear end face of the main splint 6, after the first inclined plane 6-6 and the second inclined plane 7-6 are completely attached, the centers of the first pin shaft hole 6-4 and the second pin shaft hole 7-4 are respectively positioned at two sides of the center of the contact line 9 or the messenger wire 10, and the contact line 9 or the messenger wire 10 is clamped through the first clamping opening 6-3 and the second clamping opening 7-3; meanwhile, the first arc-shaped lifting lug 6-5 and the second arc-shaped lifting lug 7-5 are encircled to form a lifting ring structure 11;
the compression joint ring 3 is respectively sleeved in the upper and lower lifting ring structures 11 after being compressed with the two ends of the lifting rope 5 to form ring-to-ring hinged connection; one end of the current-carrying wire 4 is in compression joint with the compression joint ring 3, and the other end is in compression joint with the main clamping plate 6.
The first inclined plane 6-6 and the second inclined plane 7-6 are both provided with vertical tapered semi-circular grooves 12, and after the first inclined plane 6-6 and the second inclined plane 7-6 are completely attached, tapered parallel pins 13 are inserted into the vertical tapered semi-circular grooves 12 to limit the main clamping plate 6 and the auxiliary clamping plate 7 to slide mutually.
A first through hole 6-8 is formed in the first boss 6-1 along the line direction, a first counter bore 6-9 is formed in the direction perpendicular to the first through hole 6-8, and the first through hole 6-8 is located above the first pin shaft hole 6-4; one end of the compression joint ring 3 is provided with a circular ring 3-1, the middle part of the compression joint ring is provided with a second through hole 3-2 and a second counter bore 3-3, the second counter bore 3-3 is vertical to the second through hole 3-2, and the other end of the compression joint ring is provided with a compression joint pipe 3-4; one end of the current-carrying wire 4 penetrates through the first through hole 6-8 and then is in compression joint with the main clamping plate 6 through the first counter bore 6-9, and the other end penetrates through the second through hole 3-2 and then is in compression joint with the middle part of the compression joint ring 3 through the second counter bore 3-3; two ends of the sling line 5 penetrate into the crimping pipes 3-4 respectively and are fixed with the crimping pipes 3-4 in a crimping mode, and the circular ring 3-1 is sleeved into the hanging ring structure 11 to form ring-to-ring hinged connection.
The main clamping plate 6, the auxiliary clamping plate 7 and the compression joint ring 3 are simple in appearance structure, suitable for being forged and formed by copper alloy, and made of copper alloy with good heat conduction and electric conductivity.
The utility model discloses main splint 6 and auxiliary splint 7 are under the effect of first inclined plane 6-6 and second inclined plane 7-6, and two centers of rotation that form at the middle part through round pin axle 8 are eccentric structure with the center of contact wire 9 or messenger wire 10, guarantee that the first mouth 6-3 and the second of pressing from both sides of the inboard lower part of main splint 6 and auxiliary splint 7 press from both sides tight contact wire 9 or messenger wire 10. For the contact wire dropper wire clamp 1, the first clamping opening 6-3 and the second clamping opening 7-3 are tooth-shaped angle structures, and for the carrier wire dropper wire clamp 2, the first clamping opening 6-3 and the second clamping opening 7-3 are semi-circular arc structures.
The specific installation and use method comprises the following steps:
firstly, the two ends of a dropper 5 are pressed with a compression joint ring 3, the length is prefabricated according to the construction requirement, and a current-carrying ring 4 is respectively pressed into a contact wire dropper wire clamp and a carrier cable dropper wire clamp main clamping plate 6.
And secondly, installing a contact wire dropper clamp. Riveting a pin shaft 8 into a through hole 6-4 of a main clamping plate 6 of the contact wire dropper, and placing a first clamping opening 6-3 of the main clamping plate 6 of the contact wire dropper in a matching way with a contact wire 9; sleeving a circular ring 3-1 arranged at one end of the crimping ring 3 on a first arc-shaped lifting lug 6-5; after the second clamping opening 7-3 of the contact line dropper wire clamp auxiliary clamping plate 7 is matched with the contact line 9, the contact line dropper wire clamp auxiliary clamping plate 7 is pushed in along the axial direction of the contact line 9, the second arc-shaped lifting lug 7-5 penetrates into the circular ring 3-1, and the pin shaft 8 penetrates into the through hole 7-4. Along with the pushing-in of the contact wire dropper clamp auxiliary clamping plate 7 along the pin shaft 8, the contact wire dropper clamp auxiliary clamping plate 7 and the first inclined surface 6 and the second inclined surface 7-6 on the contact wire dropper clamp main clamping plate 6 are mutually extruded, so that the contact wire dropper clamp auxiliary clamping plate 7 and the contact wire dropper clamp main clamping plate 6 respectively rotate outwards around the two rotation centers to form a lever structure, and the clamping force of the first clamping opening 6-3 and the second clamping opening 7-3 on the contact wire 9 is increased; until the contact line dropper clamp auxiliary clamp plate 7 is flush with the front end surface and the rear end surface of the contact line dropper clamp main clamp plate 6, and the first inclined surface 6-6 is completely attached to the second inclined surface 7-6, the first clamping opening 6-3 and the second clamping opening 7-3 are clamped and fixedly connected with the contact line.
And thirdly, installing a carrier cable dropper wire clamp. Essentially the same method as the second step of installing the contact wire dropper clip. The difference is that for the contact wire dropper wire clamp 1, the first clamping opening 6-3 and the second clamping opening 7-3 are of tooth-shaped angle structures, and for the carrier wire dropper wire clamp 2, the first clamping opening 6-3 and the second clamping opening 7-3 are of semi-circular arc structures.
Fourthly, inserting the conical parallel pins 13 into two conical grooves formed by the two pairs of vertical conical semicircular grooves 12 respectively to limit the main clamping plate 6 and the auxiliary clamping plate 7 to slide mutually, and then completing installation.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a whole dropper of no bolt forging type, includes contact wire dropper fastener (1), messenger cable dropper fastener (2), crimping ring (3), current-carrying line (4) and dropper line (5), characterized by: the contact wire dropper wire clamp (1) and the carrier cable dropper wire clamp (2) are both composed of a main clamping plate (6), an auxiliary clamping plate (7) and a pin shaft (8);
the main splint (6) is of an inverted L-shaped step structure, the rear half part of the main splint is provided with an upward first boss (6-1), the front half part of the main splint is provided with a first step (6-2), and the lower part of the inner side of the main splint is provided with a first clamping opening (6-3) matched with a contact line (9) or a carrier cable (10); a first pin shaft hole (6-4) along the line direction is formed in the first boss (6-1), a first arc-shaped lifting lug (6-5) extends upwards from the first boss (6-1), and a first inclined plane (6-6) inclined along the line direction is formed in the inner side of the first arc-shaped lifting lug (6-5); a first platform (6-7) is arranged below the inner side of the first boss (6-1);
the auxiliary splint (7) is of an inverted L-shaped step structure, the front half part of the auxiliary splint is provided with an upward second boss (7-1), the rear half part of the auxiliary splint is provided with a second step (7-2), and the lower part of the inner side of the auxiliary splint is provided with a second clamping opening (7-3) matched with the contact line (9) or the catenary (10); a second pin shaft hole (7-4) is formed in the second boss (7-1) along the line direction, a second arc-shaped lifting lug (7-5) extends upwards from the second boss (7-1), and a second inclined plane (7-6) inclined along the line direction is formed in the inner side of the second arc-shaped lifting lug (7-5); the inclination angles of the first inclined plane (6-6) and the second inclined plane (7-6) are consistent; a second platform (7-7) is arranged below the inner side of the second boss (7-1);
the main clamping plate (6) and the auxiliary clamping plate (7) are arranged oppositely, one end of the pin shaft (8) is inserted into the first pin shaft hole (6-4) in an interference fit mode, the auxiliary clamping plate (7) is sleeved at the other end of the first pin shaft (8) through the gap of the second pin shaft hole (7-4) on the auxiliary clamping plate, the first inclined surface (6-6) is attached to the second inclined surface (7-6), the first platform (6-7) is located on the second step (7-2), and the second platform (7-7) is located on the first step (6-2); pushing the auxiliary clamping plate (7) along the first pin shaft (8) to enable the auxiliary clamping plate (7) to be flush with the front end face and the rear end face of the main clamping plate (6), after the first inclined plane (6-6) and the second inclined plane (7-6) are completely attached, the centers of the first pin shaft hole (6-4) and the second pin shaft hole (7-4) are respectively located on two sides of the center of the contact line (9) or the carrier cable (10), and the contact line (9) or the carrier cable (10) is clamped through the first clamping opening (6-3) and the second clamping opening (7-3); meanwhile, the first arc-shaped lifting lug (6-5) and the second arc-shaped lifting lug (7-5) are encircled to form a lifting ring structure (11);
the compression joint ring (3) is respectively sleeved into the upper and lower lifting ring structures (11) after being compressed with the two ends of the lifting rope (5) to form ring-to-ring hinged connection; one end of the current-carrying wire (4) is in compression joint with the compression joint ring (3), and the other end is in compression joint with the main clamping plate (6).
2. The boltless forged integral dropper of claim 1 wherein: vertical tapered semicircular grooves (12) are formed in the first inclined planes (6-6) and the second inclined planes (7-6), and after the first inclined planes (6-6) and the second inclined planes (7-6) are completely attached, tapered parallel pins (13) are inserted into the vertical tapered semicircular grooves (12) to limit the main clamping plate (6) and the auxiliary clamping plate (7) to slide mutually.
3. The boltless forged integral dropper of claim 1 or 2, wherein: a first through hole (6-8) is formed in the first boss (6-1) along the line direction, a first counter bore (6-9) is formed in the direction perpendicular to the first through hole (6-8), and the first through hole (6-8) is located above the first pin shaft hole (6-4); one end of the crimping ring (3) is provided with a circular ring (3-1), the middle part of the crimping ring is provided with a second through hole (3-2) and a second counter bore (3-3), the second counter bore (3-3) is vertical to the second through hole (3-2), and the other end of the crimping ring is provided with a crimping pipe (3-4); one end of the current-carrying wire (4) penetrates through the first through hole (6-8) and then is in compression joint with the main clamping plate (6) through the first counter bore (6-9), and the other end of the current-carrying wire penetrates through the second through hole (3-2) and then is in compression joint with the middle part of the compression joint ring (3) through the second counter bore (3-3); two ends of the sling line (5) penetrate into the crimping pipes (3-4) respectively and are fixed with the crimping pipes (3-4) in a crimping mode, and the circular ring (3-1) is sleeved into the hanging ring structure (11) to form ring-to-ring hinged connection.
4. The boltless forged integral dropper of claim 3 wherein: the main clamping plate (6), the auxiliary clamping plate (7) and the crimping ring (3) are all formed by forging copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204186.7U CN210680465U (en) | 2019-07-29 | 2019-07-29 | Non-bolt forging type integral dropper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204186.7U CN210680465U (en) | 2019-07-29 | 2019-07-29 | Non-bolt forging type integral dropper |
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| Publication Number | Publication Date |
|---|---|
| CN210680465U true CN210680465U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921204186.7U Active CN210680465U (en) | 2019-07-29 | 2019-07-29 | Non-bolt forging type integral dropper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254297A (en) * | 2019-07-29 | 2019-09-20 | 中国铁路总公司 | Non-bolt forging type dropper |
| WO2023040604A1 (en) * | 2021-09-14 | 2023-03-23 | 任兴堂 | Contact line dropper wire clamp, carrier cable dropper wire clamp and hanging ring type bolt-free integral dropper |
-
2019
- 2019-07-29 CN CN201921204186.7U patent/CN210680465U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254297A (en) * | 2019-07-29 | 2019-09-20 | 中国铁路总公司 | Non-bolt forging type dropper |
| WO2023040604A1 (en) * | 2021-09-14 | 2023-03-23 | 任兴堂 | Contact line dropper wire clamp, carrier cable dropper wire clamp and hanging ring type bolt-free integral dropper |
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