CN201592660U - Ratchet wheel compensating device for bevel gears - Google Patents
Ratchet wheel compensating device for bevel gears Download PDFInfo
- Publication number
- CN201592660U CN201592660U CN2009202976785U CN200920297678U CN201592660U CN 201592660 U CN201592660 U CN 201592660U CN 2009202976785 U CN2009202976785 U CN 2009202976785U CN 200920297678 U CN200920297678 U CN 200920297678U CN 201592660 U CN201592660 U CN 201592660U
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- ratchet
- wheel
- steamboat
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- framework
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Abstract
The utility model discloses a ratchet wheel compensating device for bevel gears, which comprises a ratchet wheel main body (1), a ratchet wheel brake bracket (2), long bolt pins (3), a ratchet wheel frame connecting plate (4), a brake pallet (5), a balance wheel (6), a steel wire rope I (7), a steel wire rope II (7') and a wire clamp (8); two rows of mutually symmetrical bevel gears are arranged on the excircle of a bull wheel (12) of the ratchet wheel main body (1), the bevel gears consist of straight teeth (24) and lateral teeth (25), the straight teeth (24) are arranged on the two sides of the peripheral surface of the bull wheel (12) and the lateral teeth (25) are arranged on the side wall of the bull wheel (12); and a U-shaped brake opening (26) is formed at the front end of the brake pallet (5) and has the width same as the bottom part interval of the two lateral teeth (25). The utility model adopts the bevel gear structure with both the straight teeth and the lateral teeth, simplifies the manufacturing technology and improves the safe usage performance by optimizing the structural design, thereby achieving a working tension amounting to 38.85kN and a compensating distance amounting to 800m. The utility model not only can meet the requirements of the contact net of high-speed electrified railroad on high tension and compensating distance, but also can facilitate mounting and maintenance.
Description
Technical field
The utility model relates to a kind of bevel ratchet wheel compensating device, belongs to high-speed electric railway Catenary Fittings manufacturing technology field.
Background technology
Ratchet compensating device is mainly used in the cast anchor tension force of place's compensation adjustment clue of contact nets in electrified railways and city rail traffic flexible suspension.Development along with high-speed electric railway, the speed of railway line for passenger traffic improves constantly, tension force to contact system is had relatively high expectations, the compensation tension force of railway line for passenger traffic circuit has risen to 30kN at present, but with the requirement of Development of High Speed Railway from now on, the compensation tension force of the railway line of more speed has risen to 37kN, even might be up to 50kN, so the Combination property of ratchet compensating device must satisfy the requirement of hightension compensation.And existing ratchet compensating device is little owing to complementary range, nominal operation tension force less (the compensation tension force of circuit is 15kN to the maximum); Compensation rope tolerance tension force is little, support rigidity deficiency, and compensation rope sideslip, friction etc. when work influence the service life and the transmission effect of ratchet; The ratchet support adopts the open mouth of hook, welding to make, and does not guarantee the requirement of parallelism and squareness, easily cause ratchet deflection to occur, and conformability is relatively poor, is difficult to exchange; Ratchet bearing cover and frame side sheet separation are too small, phenomenon easily takes place to clamp make the ratchet rotation dumb, influence compensation effect.Up to now also there is not to satisfy the ratchet compensating device of the above hightension compensation of high-speed electric railway contact system 37kN.
Summary of the invention
The technical matters that the utility model solves: design a kind of bevel ratchet wheel compensating device, the umbrella toothing that ratchet adopts straight-tooth plus side tooth to form, and pass through optimized Structure Design, simplified manufacturing technique, improve safe application performance, use working tension to reach 38.85kN, complementary range reaches 800m.Not only can satisfy the requirement of high-speed electric railway contact system hightension and complementary range, and installation and maintenance are more convenient.
Technical solution of the present utility model: a kind of bevel ratchet wheel compensating device comprises that ratchet body (1), ratchet brake bracket (2), overbolt pin (3), ratchet framework win (4), brake clamp (5), balance wheel (6), steel rope I (7) steel rope II (7 ') and wire clamp (8) in succession; Ratchet body (1) is installed in win in succession the front end of (4) of ratchet framework, is shaped on bull wheel (12) and steamboat I (13), steamboat II (13 ') on the ratchet body (1), and steamboat I (13) and steamboat II (13 ') symmetry are positioned at the both sides of bull wheel (12); The end of steel rope I (7) is connected with wire clamp (8), and the other end is wrapped in bull wheel (12) successively and goes up the side that follower head is fixed on bull wheel (12); The end of steel rope II (7 ') is fixed between two steamboats, and the other end is wrapped in successively and passes balance wheel (6) behind the steamboat I (13) and be wrapped in successively on the opposite side steamboat II (13 ') again, and the termination is fixed between two steamboats; Win in succession the rear end of (4) of ratchet framework is hinged on the upper end of ratchet brake bracket (2); Braking clamp (5) is fixed on the middle part of ratchet brake bracket (2) at an angle, and ratchet brake bracket (2) is connected with following anchor base by overbolt pin (3).Be shaped on the symmetrical umbrella tooth of two rows on the cylindrical of the bull wheel (12) of ratchet body (1), and the umbrella tooth is by straight-tooth (24) and side tooth (25) formation, straight-tooth (24) is positioned at the both sides of bull wheel (12) periphery, and side tooth (25) is positioned on the lateral wall of bull wheel (12); The front end of braking clamp (5) is shaped on " U " type brake port (26), and the shape of brake port (26) is identical with the shape of umbrella tooth bottom.
Described ratchet body (1) is installed on the ratchet shaft (11) by a pair of self-lubricating plain bearing (10), the two ends of ratchet shaft (11) are fixed on win in succession the front end of (4) of ratchet framework, and the two ends of ratchet shaft (11) are equipped with end face self-lubricating bearing (14), end face self-lubricating bearing (14) be positioned at that the ratchet framework is won in succession (4) and self-lubricating plain bearing (10) between.
Be shaped on guiding grooving I (9) on the periphery of described bull wheel (12), steel rope (7) is arranged in guiding grooving I (9); All be shaped on guiding grooving II (17) on the periphery of steamboat I (13), steamboat II (13 '), outer face is shaped on rib (15), and steel rope II (7 ') is arranged in guiding grooving II (17).
Win in succession the rear end anchoring of (4) of described ratchet framework has horizontal support (16).
Described self-lubricating plain bearing (10) is a flange copper radical self-lubricating plain bearing, and its flange is positioned at the outside.
Described ratchet brake bracket (2) is made of welded tube (18), stud (19) and " V " type connecting panel (20), and stud (19) is welded on the inboard of welded tube (18), and " V " type connecting panel (20) is fixed on the upper end of welded tube (18); Backing plate (21) is welded on the middle part of welded tube (18) and stud (19); Braking clamp (5) is fixed on the upper end of backing plate (21) at an angle; Win in succession the rear end of (4) of ratchet framework is passed steel pipe (23) by bolt (22) and is hinged on " V " type connecting panel (20), and makes steel pipe (23) be positioned at the ratchet framework to win in succession between (4).
Described ratchet body (1) adopts the metal paattern low pressure [die to form, and ratchet shaft (11) is a stainless steel shaft, and steel rope I (7), steel rope II (7 ') are impregnate with bitumen type galvanized steel wire rope.
Advantage that the utility model compared with prior art has and effect:
1, the utility model adopts the bevel ratchet wheel that straight-tooth plus side tooth forms, and the front end of braking clamp is shaped on " U " type brake port, broken string glancing impact straight-tooth cooperates with the end face of " U " type brake port, the side tooth cooperates with the dual-side of " U " type brake port, existing straight-tooth braking function has side tooth braking function again, realized the braking of three aspects, can tolerate strong wallop, the more firm insurance of its synthetical restraint performance.Be adapted to the compensation (theory can reach 50kN) of super large tension force, complementary range can reach 800km.
2, the utility model adopts the rotation mode that flange copper radical self-lubricating bearing cooperates with the end face self-lubricating bearing, both improved driving efficiency, the steamboat end face of ratchet body both sides and the ratchet framework inboard direct friction of winning in succession causes the ratchet clamping stagnation to rotate inflexible phenomenon and takes place in the time of can avoiding this solid offsetting of ratchet again.The work that railway on-the-spot high-altitude oiling is safeguarded has been removed in the particularly use of flange copper radical self-lubricating bearing and end face self-lubricating bearing from.
3, all have the guiding grooving on the big steamboat of the utility model ratchet body, and the steamboat end face has rib, the phenomenon generation that overcome compensation steel rope sideslip, rubs, laminates mutually.Because grooving guiding and restriction are arranged, make the compensation steel rope when work, not have friction, sideslip not each other, increased the service life of compensation steel rope greatly, improved the margin of safety of ratchet; Ratchet steamboat end face has rib, twines full compensation steel rope and also can not be slipped to the outer clamping stagnation accident that causes of wheel.
4, the utility model ratchet brake bracket is that welded tube adds the stud structure, and integral rigidity is good, and the intensity height is indeformable in the use, has guaranteed the requirement of parallelism and squareness, is not prone to deflection during ratchet work, and high conformity, and interchangeability is strong.
5, the utility model ratchet framework rear end of winning in succession is set up anchoring horizontal support is arranged, two connecting plate spacings can suitably strengthened, improve the stability of ratchet framework under the situation of increase complementary range, and the ratchet framework is won in succession and is adopted the connection mode of bolt sleeve steel pipe with the ratchet brake bracket, connect firmly reliably, not only can prevent that the ratchet framework from jumping out but also be convenient to guarantee accuracy of manufacture.
6, the utility model novel structure, installation and maintenance are easy, safe and reliable, the compensation steel rope is impregnate with bitumen type galvanized steel wire rope (its comprehensive breaking force 〉=95kN), use working tension to reach 38.85kN, complementary range reaches 800m, can satisfy the cast anchor needs of place's compensation adjustment tension force of high-speed electric railway contact system and city rail traffic flexible suspension fully.
Description of drawings
Fig. 1 is a structural front view of the present utility model,
Fig. 2 is the utility model ratchet main body structure cutaway view,
Fig. 3 is a block diagram of the present utility model,
Fig. 4 is the structural perspective of the utility model umbrella tooth,
Fig. 5 is the block diagram of the utility model braking clamp,
Fig. 6 is a scheme of installation of the present utility model.
The specific embodiment
1,2,3,4,5,6 a kind of embodiment of the present utility model is described in conjunction with the accompanying drawings.
A kind of bevel ratchet wheel compensating device comprises that ratchet body 1, ratchet brake bracket 2, overbolt pin 3, ratchet framework win 4 in succession, braking clamp 5, balance wheel 6, steel rope I 7 steel rope II 7 ' and ears wedge clamp 8.Ratchet body 1 is installed on the ratchet shaft 11 by a pair of flange copper radical self-lubricating plain bearing 10, and flange is positioned at the outside.The two ends of ratchet shaft 11 are fixed on win in succession 4 front end of ratchet framework, and the two ends of ratchet shaft 11 are equipped with end face self-lubricating bearing 14, end face self-lubricating bearing 14 the ratchet framework win in succession 4 and self-lubricating plain bearing 10 between, when this solid offsetting of ratchet makes the flange of self-lubricating plain bearing contact with the end face self-lubricating bearing, the two relatively rotates, the direct friction of having avoided ratchet body and ratchet framework to win in succession causes the ratchet clamping stagnation to rotate inflexible phenomenon and takes place.
Be shaped on bull wheel 12 and steamboat I 13, steamboat II 13 ' on the ratchet body 1, and steamboat I 13 and steamboat II 13 ' symmetry are positioned at the both sides of bull wheel 12; Be shaped on guiding grooving I 9 on the periphery of bull wheel 12, steel rope 7 is arranged in guiding grooving I 9; All be shaped on guiding grooving II 17 on the periphery of steamboat I 13, steamboat II 13 ', outer face is shaped on rib 15, and steel rope II 7 ' is arranged in guiding grooving II 17.The end of steel rope I 7 is connected with wire clamp 8, and the other end is wrapped in the side that follower head on the bull wheel 12 is fixed on bull wheel 12 successively by guiding grooving I 9; The end of steel rope II7 ' is fixed between two steamboats, and the other end is wrapped in successively by guiding grooving II17 and passes balance wheel 6 behind the steamboat I 13 and be wrapped in successively on the opposite side steamboat II 13 ' again, and the termination is fixed between two steamboats.
Be shaped on the symmetrical umbrella tooth of two rows on the cylindrical of the bull wheel 12 of ratchet body 1, and the umbrella tooth is made of straight-tooth 24 and side tooth 25, straight-tooth 24 is positioned at the both sides of bull wheel 12 peripheries, and side tooth 25 is positioned on the sidewall of bull wheel 12; The front end of braking clamp 5 is shaped on " U " type brake port 26, and the width of brake port 26 is consistent with the bottom spacing of both sides tooth 25.
Win in succession 4 the rear end anchoring of ratchet framework has horizontal support 16, and horizontal support 16 is formed by the steel axle of two ends band platform.The two ends of horizontal support 16 are anchored at the ratchet framework and win in succession on 4, and win in succession between 4 at the ratchet framework.
Ratchet body 1 adopts the metal paattern low pressure [die, and the surface is carried out sand-blast finish and made.Ratchet shaft 11 is a stainless steel shaft, has improved antiseptic property.Steel rope I 7, steel rope II 7 ' are impregnate with bitumen type galvanized steel wire rope (its comprehensive breaking force 〉=95kN).Balance wheel 6 diameters increase, and make that the space becomes big between the rope of steamboat both sides, prevent from that ratchet from swinging to run into rope when big.
Using method: adopt packing ring, nut, spring cotter that ratchet brake bracket 2 is fixed on down on the anchor base by overbolt pin 3.Adjust win in succession 4 position of ratchet frameworks by bolt 22, make ratchet body 1 be positioned at the design and installation position, with hand the nut of bolt 22 ends is screwed on then.The straight-tooth 24 on the bull wheel 12 of adjustment braking clamp 5 front ends " U " type brake port 26 and ratchet body 1 and the distance of side tooth 25 make it reach mode of operation.According to concrete circuit balance wheel 6 is connected with the U type rotation ears or the ball-eye of catenary or contact wire end, guarantees that contact wire or catenary bear correct and lasting balancing force.
Braking principle: broken string glancing impact, straight-tooth 24 on the bull wheel 12 of ratchet body 1 is stuck on the end face of " U " type brake port, the side tooth is stuck on the dual-side of " U " type brake port, existing straight-tooth braking function has side tooth braking function again, realized the braking of three aspects, can tolerate strong wallop, the more firm insurance of its synthetical restraint performance.
Claims (7)
1. bevel ratchet wheel compensating device comprises that ratchet body (1), ratchet brake bracket (2), overbolt pin (3), ratchet framework win (4), brake clamp (5), balance wheel (6), steel rope I (7) steel rope II (7 ') and wire clamp (8) in succession; Ratchet body (1) is installed in win in succession the front end of (4) of ratchet framework, is shaped on bull wheel (12) and steamboat I (13), steamboat II (13 ') on the ratchet body (1), and steamboat I (13) and steamboat II (13 ') symmetry are positioned at the both sides of bull wheel (12); The end of steel rope I (7) is connected with wire clamp (8), and the other end is wrapped in bull wheel (12) successively and goes up the side that follower head is fixed on bull wheel (12); The end of steel rope II (7 ') is fixed between two steamboats, and the other end is wrapped in successively and passes balance wheel (6) behind the steamboat I (13) and be wrapped in successively on the opposite side steamboat II (13 ') again, and the termination is fixed between two steamboats; Win in succession the rear end of (4) of ratchet framework is hinged on the upper end of ratchet brake bracket (2); Braking clamp (5) is fixed on the middle part of ratchet brake bracket (2) at an angle, ratchet brake bracket (2) is connected with following anchor base by overbolt pin (3), it is characterized in that: be shaped on the symmetrical umbrella tooth of two rows on the cylindrical of the bull wheel (12) of ratchet body (1), and the umbrella tooth is made of straight-tooth (24) and side tooth (25), straight-tooth (24) is positioned at the both sides of bull wheel (12) periphery, and side tooth (25) is positioned on the sidewall of bull wheel (12); The front end of braking clamp (5) is shaped on " U " type brake port (26), and the width of brake port (26) is consistent with the bottom spacing of both sides tooth (25).
2. bevel ratchet wheel compensating device according to claim 1, it is characterized in that: described ratchet body (1) is installed on the ratchet shaft (11) by a pair of self-lubricating plain bearing (10), the two ends of ratchet shaft (11) are fixed on win in succession the front end of (4) of ratchet framework, and the two ends of ratchet shaft (11) are equipped with end face self-lubricating bearing (14), end face self-lubricating bearing (14) be positioned at that the ratchet framework is won in succession (4) and self-lubricating plain bearing (10) between.
3. bevel ratchet wheel compensating device according to claim 1 is characterized in that: be shaped on guiding grooving I (9) on the periphery of described bull wheel (12), steel rope (7) is arranged in guiding grooving I (9); All be shaped on guiding grooving II (17) on the periphery of steamboat I (13), steamboat II (13 '), outer face is shaped on rib (15), and steel rope II (7 ') is arranged in guiding grooving II (17).
4. bevel ratchet wheel compensating device according to claim 1 is characterized in that: win in succession the rear end anchoring of (4) of described ratchet framework has horizontal support (16).
5. bevel ratchet wheel compensating device according to claim 2 is characterized in that: described self-lubricating plain bearing (10) is a flange copper radical self-lubricating plain bearing, and its flange is positioned at the outside.
6. according to claim 1 or 2 or 3 or 4 or 5 described bevel ratchet wheel compensating devices, it is characterized in that: described ratchet brake bracket (2) is made of welded tube (18), stud (19) and " V " type connecting panel (20); Stud (19) is welded on the inboard of welded tube (18), and " V " type connecting panel (20) is fixed on the upper end of welded tube (18); Steel pipe (23) is welded on " V " type connecting panel (20); Backing plate (21) is welded on the middle part of welded tube (18) and stud (19); Braking clamp (5) is fixed on the upper end of backing plate (21) at an angle; Win in succession the rear end of (4) of ratchet framework is passed steel pipe (23) by bolt (22) and is hinged on " V " type connecting panel (20), and makes steel pipe (23) be positioned at the ratchet framework to win in succession between (4).
7. according to claim 1 or 2 or 3 or 4 or 5 described bevel ratchet wheel compensating devices, it is characterized in that: described ratchet body (1) adopts the metal paattern low pressure [die to form, ratchet shaft (11) is a stainless steel shaft, and steel rope I (7), steel rope II (7 ') are impregnate with bitumen type galvanized steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202976785U CN201592660U (en) | 2009-12-17 | 2009-12-17 | Ratchet wheel compensating device for bevel gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202976785U CN201592660U (en) | 2009-12-17 | 2009-12-17 | Ratchet wheel compensating device for bevel gears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201592660U true CN201592660U (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202976785U Expired - Lifetime CN201592660U (en) | 2009-12-17 | 2009-12-17 | Ratchet wheel compensating device for bevel gears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201592660U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011072614A1 (en) * | 2009-12-17 | 2011-06-23 | 中铁电气化局集团宝鸡器材有限公司 | Compensation device for ratchet wheel with bevel teeth |
| WO2011072615A1 (en) * | 2009-12-17 | 2011-06-23 | 中铁电气化局集团宝鸡器材有限公司 | Ratchet wheel compensation device |
| CN106494262A (en) * | 2016-11-03 | 2017-03-15 | 中铁第勘察设计院集团有限公司 | Contact net and additive wire compensation cast anchor 1:2 type triangle ratchet wheel compensating devices |
| CN106904102A (en) * | 2015-12-23 | 2017-06-30 | 扬州东方吊架有限公司 | A kind of rotatable tensioning apparatus |
-
2009
- 2009-12-17 CN CN2009202976785U patent/CN201592660U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011072614A1 (en) * | 2009-12-17 | 2011-06-23 | 中铁电气化局集团宝鸡器材有限公司 | Compensation device for ratchet wheel with bevel teeth |
| WO2011072615A1 (en) * | 2009-12-17 | 2011-06-23 | 中铁电气化局集团宝鸡器材有限公司 | Ratchet wheel compensation device |
| CN106904102A (en) * | 2015-12-23 | 2017-06-30 | 扬州东方吊架有限公司 | A kind of rotatable tensioning apparatus |
| CN106494262A (en) * | 2016-11-03 | 2017-03-15 | 中铁第勘察设计院集团有限公司 | Contact net and additive wire compensation cast anchor 1:2 type triangle ratchet wheel compensating devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100929 Effective date of abandoning: 20091217 |