CN103241260B - A kind of hitch preventing hook tongue automatic rotary - Google Patents
A kind of hitch preventing hook tongue automatic rotary Download PDFInfo
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- CN103241260B CN103241260B CN201310205205.9A CN201310205205A CN103241260B CN 103241260 B CN103241260 B CN 103241260B CN 201310205205 A CN201310205205 A CN 201310205205A CN 103241260 B CN103241260 B CN 103241260B
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- pivot pin
- hook tongue
- knuckle pivot
- knuckle
- automatic rotary
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Abstract
The invention discloses a kind of hitch preventing hook tongue automatic rotary, comprise coupler body, hook tongue and knuckle pivot pin, described hook tongue is connected with coupler body by the knuckle pivot pin be arranged in the coupler knuckle pin hole of coupler body, the upper surface, knuckle pivot pin hole of described hook tongue is provided with at least one keyway, described knuckle pivot pin is provided with the key coordinated with described keyway, and described knuckle pivot pin passes through for preventing the damp disk mechanism of hook tongue automatic rotary to be connected with coupler body.The present invention is when lorry hangs together, hook tongue and knuckle pivot pin Coupled motion turn round, and knuckle pivot pin passes through for preventing the damp disk mechanism of hook tongue automatic rotary to be connected with coupler body, achieve hook tongue steering resistance from standard-sized sheet position to unlock position comparatively large, and the function that hook tongue steering resistance from unlock position to standard-sized sheet position is less.Thus achieve following function: slip in car operation process at various railway truck hump, when the speed on level tangent track is no more than 15km/h, makes the gyroscopic movement not occurred around knuckle pivot pin by rolling lorry rear end coupler knuckle for car coupler, remain at standard-sized sheet position.
Description
Technical field
The present invention relates to a kind of hitch of hook tongue automatic rotary locking when can effectively prevent train from hanging together in railway truck hump slips car operating process.
Background technology
Hitch is the key components and parts that railway truck hangs together part, and at present, the hitch of China railways lorry assembling mainly contains 17 type hitches, 16 type hitches, and 13A type hitch.The hitch of these models stops hook tongue to rotate by lock iron in the lockout condition.But locking iron and departed from locked position of coupler under unlocking condition, can there is the gyroscopic movement around knuckle pivot pin in hook tongue under external force or by inertia.As illustrated in fig. 1 and 2, existing structure of couplers mainly comprises coupler body 1, hook tongue 2 and knuckle pivot pin 3, its knuckle pivot pin 3 relative to coupler body 1, hook tongue 2 only overcome friction namely can rotate, and hook tongue 2 around knuckle pivot pin 3 unblanking, locking revolution time, also only need to overcome the friction force between hook tongue 2 and each part.
When railway truck hump slips car operation, first lorry is parked in the far-end of level tangent track, and the hook tongue of its rear end hitch is in standard-sized sheet position.Lorry to be hung together is connect a ground successively from inclined path rolling to level tangent track by one, travels forward by inertia.When second lorry front end hitch and first lorry rear end hitch collide, the hook tongue of two car hitches is turned back to unlock position under the effect of impact force, then respective lock iron drops to locking position automatically, thus realize prosthetic intervention, efficiently, automatically lorry hang together.Obviously, in order to realize automatically hanging together of the 3rd lorry front end hitch and second lorry rear end hitch, second lorry rear end hitch should slip car, collide, hang together in process and remain full-gear.Equally, the 3rd, and the rear end hitch of follow-up lorry all should remain full-gear in above process, could realize continuously, fast speed slips car operation.
But in practical operation, when by rolling lorry on level tangent track to collide more than the speed of 4km/h and the lorry of front stationary, to hang together time, its rear end coupler knuckle for car coupler receives moment impact, act on torque on hook tongue beyond friction moment sum between hook tongue and each part, break the moment balance of hook tongue around knuckle pivot pin, hook tongue is caused to turn to certain angle around knuckle pivot pin, even turn to unlock position and cause hitch coupler lock, thus cause this hitch and next lorry front end hitch to hang together failure, even cause hitch to damage.Be illustrated in figure 3 when vehicle hangs together and occur rear end hitch coupler lock, cause the schematic diagram that can not realize again hanging together.
Summary of the invention
The object of the invention is to: for the problems referred to above, a kind of novel hitch that effectively can prevent from being caused hanging together by the hitch generation hook tongue automatic rotary of skating vehicle failure problem in railway truck hump slips car operation process is provided.
Technical scheme of the present invention is achieved in that a kind of hitch preventing hook tongue automatic rotary, comprise coupler body, hook tongue and knuckle pivot pin, described hook tongue is connected with coupler body by the knuckle pivot pin be placed in the coupler knuckle pin hole of coupler body, it is characterized in that: the upper surface, knuckle pivot pin hole of described hook tongue is provided with at least one keyway, described knuckle pivot pin is provided with the key coordinated with described keyway, and described knuckle pivot pin passes through for preventing the damp disk mechanism of hook tongue automatic rotary to be connected with coupler body.
The hitch preventing hook tongue automatic rotary of the present invention, for preventing the damp disk mechanism of hook tongue automatic rotary from comprising intermeshing upper fluted disc and lower tooth disk described in it, described upper fluted disc is fixedly connected on knuckle pivot pin pin head part, described lower tooth disk is fixedly connected on the coupler knuckle pin hole upper surface of coupler body, described upper fluted disc is different with the pressure at both sides angle of each tooth that lower tooth disk matches, and is greater than the pressure angle of opposite side on the other side by standard-sized sheet position to the pressure angle of the rotation direction side of unlock position.
The hitch preventing hook tongue automatic rotary of the present invention, on upper fluted disc described in it and lower tooth disk, each tooth is 70 ° by standard-sized sheet position to the pressure angle of the rotation direction side of unlock position, and opposite side pressure angle is 20 °.
The hitch preventing hook tongue automatic rotary of the present invention, centered by the axle center of its above fluted disc or lower tooth disk, the angle α on described upper fluted disc or lower tooth disk in adjacent two teeth in vertex radial direction is less than 57 °.
The hitch preventing hook tongue automatic rotary of the present invention, the keyway that the knuckle pivot pin hole end surface of hook tongue described in it is arranged by hook tongue upper surface vertically to downward-extension, described knuckle pivot pin inserts in knuckle pivot pin hole from top to bottom, key on described knuckle pivot pin inserts in the keyway that coordinates with it from top to bottom, and described hook tongue and knuckle pivot pin hole form the integral structure linked.
The hitch preventing hook tongue automatic rotary of the present invention, it is provided with four keyways at the end face in the knuckle pivot pin hole of described hook tongue, described keyway is evenly distributed on same circumference centered by axle center, knuckle pivot pin hole, and described knuckle pivot pin is provided with four keys with described four keyway corresponding matching.
The present invention is when lorry hangs together, hook tongue and knuckle pivot pin Coupled motion turn round, and knuckle pivot pin passes through for preventing the damp disk mechanism of hook tongue automatic rotary to be connected with coupler body, achieve hook tongue steering resistance from standard-sized sheet position to unlock position comparatively large, and the function that hook tongue steering resistance from unlock position to standard-sized sheet position is less.This function furthermore achieved that following object: slip in car operation process at various railway truck hump, when speed on level tangent track is no more than 15km/h, make the gyroscopic movement not occurred around knuckle pivot pin by rolling lorry rear end coupler knuckle for car coupler, remain at standard-sized sheet position.In addition, when upwards mentioning knuckle pivot pin along knuckle pivot pin axis, key on knuckle pivot pin is departed from from the keyway hook tongue, and rotate knuckle pivot pin, then put down, make the key of knuckle pivot pin be seated on hook tongue, now the upper and lower fluted disc of dampened disk synchronously departs from, hitch loses and prevents hook tongue automatic rotary function, identical with the function of common hitch, detects without any harmful effect three states of coupler operation.The present invention affects less on existing hitch technical equipment and production process, its structure is simple, reliable, to efficiently solve in lorry hump slips car operation process because coupler knuckle for car coupler automatic rotary causes the problem hanging together failure, improve lorry hump and slip car operating efficiency.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is the structural representation of existing hitch.
Fig. 3 is that railway truck hump slips car operating process.
Fig. 4 is structural representation of the present invention.
Fig. 5 is the schematic diagram that hook tongue and knuckle pivot pin link.
Fig. 6 is the schematic diagram that hook tongue and knuckle pivot pin de-connect.
Fig. 7 is the structural representation of knuckle pivot pin in the present invention.
Fig. 8 is the structural representation of lower tooth disk in the present invention.
Fig. 9 is the birds-eye view of Fig. 8.
Mark in figure: 1 is coupler body, and 2 is hook tongue, and 3 is knuckle pivot pin, and 4 is knuckle pivot pin hole, and 5 is keyway, and 6 is key, and 7a is upper fluted disc, and 7b is lower tooth disk, and 8 is coupler knuckle pin hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Fig. 4 to 9, a kind of hitch preventing hook tongue automatic rotary, comprise coupler body 1, hook tongue 2 and knuckle pivot pin 3, described hook tongue 2 is connected with coupler body 1 by the knuckle pivot pin 3 be placed in the coupler knuckle pin hole 8 of coupler body 1, the upper surface, knuckle pivot pin hole 4 of described hook tongue 2 is provided with four keyways 5, described keyway 5 by hook tongue 2 upper surface vertically to downward-extension, described keyway 5 is evenly distributed on same circumference centered by axle center, knuckle pivot pin hole 4, namely adjacent two keyway interval angles are 90 °, described knuckle pivot pin 3 is provided with four keys 6 with described four keyway 5 corresponding matching, described knuckle pivot pin 3 inserts in knuckle pivot pin hole 4 from top to bottom, key 6 on described knuckle pivot pin 3 inserts in the keyway 5 that coordinates with it from top to bottom, described hook tongue 2 forms with knuckle pivot pin hole 4 integral structure linked, described knuckle pivot pin 3 passes through for preventing the damp disk mechanism of hook tongue automatic rotary to be connected with coupler body 1.
Described for preventing the damp disk mechanism of hook tongue automatic rotary from comprising intermeshing upper fluted disc 7a and lower tooth disk 7b, described upper fluted disc 7a is fixedly connected on knuckle pivot pin 3 pin head part, described lower tooth disk 7b is fixedly connected on coupler knuckle pin hole 8 upper surface of coupler body 1, described upper fluted disc 7a is different with each tooth pressure at both sides angle that lower tooth disk 7b matches, be greater than the pressure angle of opposite side on the other side to the pressure angle of the rotation direction side of unlock position by standard-sized sheet position, in the present embodiment, on described upper fluted disc 7a and lower tooth disk 7b, each tooth is 70 ° by standard-sized sheet position to the pressure angle of the rotation direction side of unlock position, opposite side pressure angle is 20 °, centered by the axle center of above fluted disc 7a or lower tooth disk 7b, angle α on described upper fluted disc 7a or lower tooth disk 7b in adjacent two teeth in vertex radial direction is less than 57 °, α is 30 ° in the present embodiment.
The present invention is when realizing hanging together operation, hook tongue and knuckle pivot pin link when turning round, simultaneously, knuckle pivot pin is connected with coupler body by damp disk mechanism, utilize the difference at each tooth pressure at both sides angle on fluted disc, the hook tongue steering resistance achieved from standard-sized sheet position to unlock position is larger, and the function that hook tongue steering resistance from unlock position to standard-sized sheet position is less, just can be adjusted the size of steering resistance by the size adjusting each tooth pressure at both sides angle, meet at specific lorry model, weight and the needs preventing coupler knuckle for car coupler generation automatic rotary under the conditions such as vehicle speed that slip.
As shown in Figure 6, before tri-state effect inspection is carried out to hitch, needed slightly to mention knuckle pivot pin (stroke is greater than 15mm) before manually hook tongue being turned back to locking position from standard-sized sheet position, the key of knuckle pivot pin is departed from from the keyway of hook tongue, and rotate knuckle pivot pin, then put down, make the key of knuckle pivot pin be seated on hook tongue, now the upper and lower fluted disc of dampened disk synchronously departs from.Now, hitch loses and prevents hook tongue automatic rotary function, identical with the function of common hitch, normally can carry out three states of coupler operation detection.
The present invention can apply to 17 type hitches and the 16 type hitches of current China railways lorry, and other model hitches similar with 17 type structure of couplers also can adopt this structure design when improving its function and structure.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. one kind prevents the hitch of hook tongue automatic rotary, comprise coupler body (1), hook tongue (2) and knuckle pivot pin (3), described hook tongue (2) is connected with coupler body (1) by the knuckle pivot pin (3) be placed in the coupler knuckle pin hole (8) of coupler body (1), it is characterized in that: knuckle pivot pin hole (4) upper surface of described hook tongue (2) is provided with at least one keyway (5), described knuckle pivot pin (3) is provided with the key (6) coordinated with described keyway (5), and described knuckle pivot pin (3) passes through for preventing the damp disk mechanism of hook tongue automatic rotary to be connected with coupler body (1);
Described for preventing the damp disk mechanism of hook tongue automatic rotary from comprising intermeshing upper fluted disc (7a) and lower tooth disk (7b), described upper fluted disc (7a) is fixedly connected on knuckle pivot pin (3) pin head part, described lower tooth disk (7b) is fixedly connected on coupler knuckle pin hole (8) upper surface of coupler body (1), described upper fluted disc (7a) is different with the pressure at both sides angle of each tooth that lower tooth disk (7b) matches, and is greater than the pressure angle of opposite side on the other side by standard-sized sheet position to the pressure angle of the rotation direction side of unlock position.
2. the hitch preventing hook tongue automatic rotary according to claim 1, is characterized in that: the upper each tooth of described upper fluted disc (7a) and lower tooth disk (7b) is 70 ° by standard-sized sheet position to the pressure angle of the rotation direction side of unlock position, and opposite side pressure angle is 20 °.
3. the hitch preventing hook tongue automatic rotary according to claim 1, it is characterized in that: centered by the axle center of above fluted disc (7a) or lower tooth disk (7b), the angle α in described upper fluted disc (7a) or upper adjacent two teeth of lower tooth disk (7b) in vertex radial direction is less than 57 °.
4. the hitch preventing hook tongue automatic rotary according to claim 1, it is characterized in that: the keyway (5) that knuckle pivot pin hole (4) end face of described hook tongue (2) is arranged by hook tongue (2) upper surface vertically to downward-extension, described knuckle pivot pin (3) inserts in knuckle pivot pin hole (4) from top to bottom, key (6) on described knuckle pivot pin (3) inserts in the keyway (5) that coordinates with it from top to bottom, and described hook tongue (2) and knuckle pivot pin hole (4) form the integral structure linked.
5. the hitch preventing hook tongue automatic rotary as claimed in any of claims 1 to 4, it is characterized in that: the end face in the knuckle pivot pin hole (4) of described hook tongue (2) is provided with four keyways (5), described keyway (5) is evenly distributed on same circumference centered by knuckle pivot pin hole (4) axle center, and described knuckle pivot pin (3) is provided with four keys (6) with described four keyway (5) corresponding matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310205205.9A CN103241260B (en) | 2013-05-29 | 2013-05-29 | A kind of hitch preventing hook tongue automatic rotary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310205205.9A CN103241260B (en) | 2013-05-29 | 2013-05-29 | A kind of hitch preventing hook tongue automatic rotary |
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| Publication Number | Publication Date |
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| CN103241260A CN103241260A (en) | 2013-08-14 |
| CN103241260B true CN103241260B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310205205.9A Active CN103241260B (en) | 2013-05-29 | 2013-05-29 | A kind of hitch preventing hook tongue automatic rotary |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749850B (en) * | 2018-04-28 | 2019-08-16 | 中铁十二局集团有限公司 | A kind of shunter anticreep hitch switching device and hitch anti-dropout control method |
| CN108759605B (en) * | 2018-05-16 | 2023-06-13 | 中车眉山车辆有限公司 | Device and method for finding geometric centers of oblong holes and elliptical holes |
| CN110566833B (en) * | 2019-09-03 | 2020-07-17 | 深圳市海洋王照明工程有限公司 | Inspection lamp |
| CN116902017B (en) * | 2023-09-06 | 2023-11-14 | 吉林交通职业技术学院 | Rail transit vehicle traction connection frame |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2419184C3 (en) * | 1974-04-20 | 1980-05-29 | Scharfenbergkupplung Gmbh, 3320 Salzgitter | Device for horizontal center resetting of a center buffer coupling |
| US4597499A (en) * | 1984-06-20 | 1986-07-01 | Hanula Richard M | Biased pin retainer block for a rotary coupling system |
| US7497345B2 (en) * | 2005-10-18 | 2009-03-03 | Sharma & Associates, Inc. | Apparatus for railway freight car coupler knuckle |
| CN1907780B (en) * | 2006-08-04 | 2010-06-30 | 南车眉山车辆有限公司 | Double system car coupler of railway vehicle |
| CN201610148U (en) * | 2010-02-09 | 2010-10-20 | 重庆大江工业有限责任公司 | Right side-unlocked heavy-duty car coupler used for train |
| CN203255207U (en) * | 2013-05-29 | 2013-10-30 | 南车眉山车辆有限公司 | Car coupler capable of preventing coupler knuckle from revolving automatically |
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2013
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