CN104494465A - Locating ring main hoop of contact network - Google Patents
Locating ring main hoop of contact network Download PDFInfo
- Publication number
- CN104494465A CN104494465A CN201410627188.2A CN201410627188A CN104494465A CN 104494465 A CN104494465 A CN 104494465A CN 201410627188 A CN201410627188 A CN 201410627188A CN 104494465 A CN104494465 A CN 104494465A
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- Prior art keywords
- bolt hole
- hole
- bolt
- anchor ear
- contact system
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Abstract
The invention discloses a locating ring main hoop of a contact network. A main body is an integrated die forging, and is once molded through die forging; a hanging ring hole, a first bolt hole and a second bolt hole are arranged on the main body, and are positioned on one center line; an arched connecting structure is arranged between the first bolt hole and the second bolt hole, and the internal thereof forms an arched groove; and opening grooves are respectively formed in the upper and lower surfaces of the main body, and are symmetrically arranged. The hanging ring hole, the first bolt hole and the second bolt hole all adopt the mode of die forging; recessed pits are correspondingly formed in the upper and lower surfaces of the main body; a spacing layer is additionally arranged between the two corresponding pits; and then, the spacing layer is removed through punching to obtain three punched holes. In the locating ring main hoop of the contact network, the two bolt holes and the hanging ring hole are all directly molded in a mold through forging, so that the later machining procedure is omitted, the production efficiency is improved, the production period is shortened, and the production cost can be reduced.
Description
Technical field
The present invention relates to the appurtenances relating to a kind of railway line contact system supporting seat, especially the main anchor ear of the steady ring of contact system.
Background technology
The main anchor ear of steady ring of contact system, as the vitals of railway line contact system, has important effect in guarantee train safe traveling.Along with the raising of railway speed, present train speed per hour reaches 250 ~ 350h/km, certainly also have higher rate request from now on, therefore the railway line contact system concussion frequency also strengthens thereupon, proposes higher performance requriements to associated components such as contact system, the main anchor ears of steady ring.
The main anchor ear of steady ring of contact system adopts forging molding mode to make blank, then is obtained by machinework; This kind of structure, main exist not enough time: 1, machine up is costly, and the process-cycle is longer, the corresponding productive costs adding main anchor ear; 2, the shelves limit height at two fixed orifice edges is lower, relatively little with the contact site of tie bolt, tie bolt can not be limited completely to rotate in fixed orifice, period of service is slightly long, tie bolt just can produce certain rotation in fixed orifice, reduce the reliability of connection, also its safety of corresponding reduction; Especially along with the raising of electrified railway speed, present train speed per hour reaches 250 ~ 350h/km, when may reach higher from now on, need the safe trouble-free operation ensureing train, like this performance, structure etc. of the main anchor ear of steady ring are had higher requirement.
Summary of the invention
For prior art above shortcomings, the object of this invention is to provide a kind of productive costs and reduce, can prevent tie bolt from fixed orifice, rotating the main anchor ear of steady ring of the die forging contact system ensureing the safe trouble-free operation of high speed train.
Technical scheme of the present invention is as follows: the main anchor ear of steady ring of contact system, comprises body, it is characterized in that: the integrated die-forged part of described body, die forging one-shot forming; On body, be provided with link hole, the first bolt hole and the second bolt hole, link hole, the first bolt hole and the second spiro keyhole position are in same line of centers; Between first bolt hole and the second bolt hole, be arc connection structure, inner formation deep-slotted chip breaker;
First bolt hole and the second bolt hole, arrange a grade limit thereon, and the first bolt hole and the second bolt hole are protruded in this grade of limit, coordinate during assembling with the nut of bolt; Described shelves limit is made up of the linear portion that one section of circular arc line is parallel with two sections, and the two ends of circular arc line are connected with one section of linear portion respectively, forms semi-surrounding structure.
The height of the first bolt hole and the second bolt hole is given prominence between 4 ~ 9mm in shelves limit.
On the body surface at place, link hole, be provided with open slot, this open slot is the groove caved inward.
On the upper and lower surface of body, all arrange open slot, this open slot is symmetrical arranged.
Link hole, the first bolt hole and the second bolt hole, all adopt the mode that first die forging is forged, an inside recess is formed in body (1) upper and lower surface correspondence, an interlayer is also had between two corresponding inside recesss, the thickness of interlayer is between 0.5-2 mm, adopt the mode of punching press again, interlayer is washed out, obtain three holes of punching press.
Relative to prior art, the main anchor ear tool of steady ring of contact system of the present invention has the following advantages:
1, two bolts hole, and a link hole, when all forging in mould straight forming, eliminate the mechanical process in later stage, improve production efficiency, shorten the production cycle, can productive costs be reduced.
2, the shelves limit at two bolt hole edges is made up of the linear portion that one section of circular arc line is parallel with two sections, forms semi-surrounding structure, convenient install while, linear portion can coordinate with the nut of tie bolt, limits its rotation.
3, on the body surface at place, link hole, be provided with open slot, reduce the thickness on surface, when the link of adapted is linked into link hole, or when link is taken out from link hole, can handled easily.
4, adopt that first die forging is forged, the mode of punching press again makes three holes, efficiency is very high, and Forming Quality is good.
5, the needs of the safe trouble-free operation of high speed train can be adapted to.
Accompanying drawing explanation
Fig. 1 is the front view of the main anchor ear of steady ring of the present invention;
Fig. 2 is the left view (partly cuing open) of Fig. 1;
Fig. 3 is the K direction view of Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, 2, 3, a kind of main anchor ear of steady ring of contact system, comprises body 1, the integrated die-forged part of described body 1, die forging one-shot forming; On body 1, be provided with link hole 2, first bolt hole 3 and the second bolt hole 4, link hole 2, first bolt hole 3 and the second bolt hole 4 are positioned at same line of centers, and namely the line of centers in three holes overlaps, and is the line of centers of body 1.Between first bolt hole 3 and the second bolt hole 4, be arc connection structure, inner formation deep-slotted chip breaker 5.In use, link hole 2 is as the hanging hole of location hook, and location hook penetrates in this link hole 2 and connects.
First bolt hole 3 and the second bolt hole 4, as the hole wearing tie bolt, arranges grade limit 6 thereon, and the first bolt hole 3 and the second bolt hole 4 is protruded on this grade of limit 6, coordinates during assembling with the nut of bolt, the rotation of restriction nut.This grade of limit 6 is made up of the linear portion 8 that one section of circular arc line 7 is parallel with two sections, and the two ends of circular arc line 7 are connected with one section of linear portion 8 respectively, form semi-surrounding structure, and the two ends of circular arc line 7 are tangent with one section of linear portion 8 respectively and be connected.In order to reach the effect that better restriction tie bolt rotates, the height of outstanding first bolt hole 3 in shelves limit 6 and the second bolt hole 4 is between 4 ~ 9mm, add height, the contact site of the screw cap end of itself and tie bolt can be increased, the screw cap end that can limit tie bolt is completely rotated in fixed orifice, adds the reliability of connection, enhances safety, energy handled easily, shortens the operating time simultaneously.
As shown in Figure 3, body 1 at place, link hole 2 on the surface, be provided with open slot 10, this open slot 10 is the shallow slots caved inward, reduce the thickness on body 1 surface at place, link hole 2, when the link of adapted is linked into link hole 2, or when link is taken out from link hole 2, can handled easily.On the upper and lower surface of body 1, open slot 10 is all set, is symmetrical arranged, operation of being more convenient for.
Link hole 2, first bolt hole 3 and the second bolt hole 4, all adopt the mode that first die forging is forged, an inside recess is formed in upper and lower surface correspondence, upper and lower surface all forms blind hole, between upper and lower two corresponding inside recesss, also have an interlayer, the thickness of interlayer between 0.5-2 mm, then adopts the mode of punching press, interlayer is washed out, obtains three holes of punching press.
What finally illustrate is; above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted; although with reference to preferred embodiment to invention has been detailed description; those of ordinary skill in the art should be appreciated that the replacement/amendment for not departing from technical solution of the present invention all should fall among the scope of protection of present invention.
Claims (5)
1. the main anchor ear of the steady ring of contact system, comprises body (1), it is characterized in that: described body (1) integrated die-forged part, die forging one-shot forming; On body (1), be provided with link hole (2), the first bolt hole (3) and the second bolt hole (4), link hole (2), the first bolt hole (3) and the second bolt hole (4) are positioned at same line of centers; Between first bolt hole (3) and the second bolt hole (4), be arc connection structure, inner formation deep-slotted chip breaker (5);
First bolt hole (3) and the second bolt hole (4), arrange a grade limit (6) thereon, and this grade of limit (6) protrudes the first bolt hole (3) and the second bolt hole (4), coordinates during assembling with the nut of bolt; Described shelves limit (6) is made up of the linear portion (8) that one section of circular arc line (7) is parallel with two sections, the two ends of circular arc line (7) are connected with one section of linear portion (8) respectively, form semi-surrounding structure, the two ends of circular arc line (7) are tangent with one section of linear portion (8) respectively.
2. the main anchor ear of the steady ring of contact system according to claim 1, is characterized in that: the height of shelves limit (6) outstanding first bolt hole (3) and the second bolt hole (4) is between 4 ~ 9mm.
3. the main anchor ear of the steady ring of contact system according to claim 1 and 2, is characterized in that: the body (1) at link hole (2) place on the surface, is provided with open slot (10), and this open slot (10) is the groove caved inward.
4. the main anchor ear of the steady ring of contact system according to claim 3, is characterized in that: on the upper and lower surface of body (1), all arranges open slot (10), and this open slot (10) is symmetrical arranged.
5. the main anchor ear of the steady ring of contact system according to claim 1 and 2, it is characterized in that: link hole (2), the first bolt hole (3) and the second bolt hole (4), all adopt the mode that first die forging is forged, an inside recess is formed in body (1) upper and lower surface correspondence, between two corresponding inside recesss, also have an interlayer, the thickness of interlayer between 0.5-2 mm, then adopts the mode of punching press, interlayer is washed out, obtains three holes of punching press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410627188.2A CN104494465A (en) | 2014-11-10 | 2014-11-10 | Locating ring main hoop of contact network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410627188.2A CN104494465A (en) | 2014-11-10 | 2014-11-10 | Locating ring main hoop of contact network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104494465A true CN104494465A (en) | 2015-04-08 |
Family
ID=52935954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410627188.2A Pending CN104494465A (en) | 2014-11-10 | 2014-11-10 | Locating ring main hoop of contact network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104494465A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991008923A1 (en) * | 1989-12-20 | 1991-06-27 | Alupro-N A/S | Device for connecting the contact cable for vehicles running on rails |
| EP0810116A1 (en) * | 1996-05-30 | 1997-12-03 | Sasib Railway Electrification S.p.A. | Composite structure and method for its assembly |
| CN201633571U (en) * | 2010-05-07 | 2010-11-17 | 重庆众诚精密模锻有限公司 | Lower cantilever base for railway line catenary |
| CN201672155U (en) * | 2010-06-08 | 2010-12-15 | 重庆众诚精密模锻有限公司 | Anchor ear on electrification contact line for railway |
| CN202225753U (en) * | 2011-09-28 | 2012-05-23 | 重庆众诚精密模锻有限公司 | Double-lug anchor ear for conduit used in high-speed railway electrified contact net |
| CN204296492U (en) * | 2014-11-10 | 2015-04-29 | 重庆众诚精密模锻有限公司 | The main anchor ear of railway contact line locating ring |
-
2014
- 2014-11-10 CN CN201410627188.2A patent/CN104494465A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991008923A1 (en) * | 1989-12-20 | 1991-06-27 | Alupro-N A/S | Device for connecting the contact cable for vehicles running on rails |
| EP0810116A1 (en) * | 1996-05-30 | 1997-12-03 | Sasib Railway Electrification S.p.A. | Composite structure and method for its assembly |
| CN201633571U (en) * | 2010-05-07 | 2010-11-17 | 重庆众诚精密模锻有限公司 | Lower cantilever base for railway line catenary |
| CN201672155U (en) * | 2010-06-08 | 2010-12-15 | 重庆众诚精密模锻有限公司 | Anchor ear on electrification contact line for railway |
| CN202225753U (en) * | 2011-09-28 | 2012-05-23 | 重庆众诚精密模锻有限公司 | Double-lug anchor ear for conduit used in high-speed railway electrified contact net |
| CN204296492U (en) * | 2014-11-10 | 2015-04-29 | 重庆众诚精密模锻有限公司 | The main anchor ear of railway contact line locating ring |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20150408 |