CN103241260A - Car coupler with coupler knuckle prevented from automatic rotation - Google Patents
Car coupler with coupler knuckle prevented from automatic rotation Download PDFInfo
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- CN103241260A CN103241260A CN2013102052059A CN201310205205A CN103241260A CN 103241260 A CN103241260 A CN 103241260A CN 2013102052059 A CN2013102052059 A CN 2013102052059A CN 201310205205 A CN201310205205 A CN 201310205205A CN 103241260 A CN103241260 A CN 103241260A
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- coupler
- pivot pin
- hook tongue
- knuckle
- knuckle pivot
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Abstract
The invention discloses a car coupler with a coupler knuckle prevented from automatic rotation. The car coupler comprises a coupler body, the coupler knuckle and a coupler knuckle pin, the coupler knuckle is connected with the coupler body through the coupler knuckle pin arranged in a pivot pin hole of the coupler body, at least one key groove is arranged on the upper end face of a coupler knuckle pin hole of the coupler knuckle, a key matched with the key groove is arranged on the coupler knuckle pin, and the coupler knuckle pin is connected with the coupler body through a damping disk mechanism for preventing the coupler knuckle from automatic rotation. When freight cars are coupled, the coupler knuckle and the coupler knuckle pin integrally rotate in a linked manner, and the coupler knuckle pin is connected with the coupler body through the damping disk mechanism for preventing the coupler knuckle from automatic rotation, so that the coupler knuckle is high in rotation resistance from a full-open position to an unlocking position and low in rotation resistance from an unlocking position to a full-open position. Therefore, in the hump car rolling operation process of various railway freight cars, the speed of the railway freight cars on a straight line is not more than 15km/h, so that the coupler knuckle of the car coupler at the rear end of each rolled freight car does not rotate around the coupler knuckle pin and is constantly kept at the full-open position.
Description
Technical field
The present invention relates to a kind of can prevent effectively in the railway truck hump slips the car operating process that the train connection from hanging the time hook tongue turn round the hitch of locking automatically.
Background technology
Hitch is that the railway truck connection is hung the key components and parts of 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 the hook tongue to rotate by lock iron under blocking.But lock iron has broken away from locked position of coupler under unlocking condition, and the hook tongue under external force or by inertia gyroscopic movement around knuckle pivot pin can take place.As illustrated in fig. 1 and 2, existing hitch structure 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 when revolution, also only need overcome the friction force between hook tongue 2 and each part.
When the railway truck hump slipped the car operation, first lorry was parked in the far-end of level tangent track, and the hook tongue of its rear end hitch is in the standard-sized sheet position.The lorry of waiting to join extension by one connect a ground successively from the rolling of inclination circuit to level tangent track, travel forward by inertia.When second lorry front end hitch and first lorry rear end hitch collision, the hook tongue of two car hitches forwards unlock position to next time in the effect of impact force, lock iron separately drops to the locking position automatically then, thereby realize not to have artificial that intervene, efficiently, the lorry connection is hung automatically.Obviously, in order to realize the automatic extension of the 3rd lorry front end hitch and second lorry rear end hitch, second lorry rear end hitch should remain full-gear in slide car, collision, connection extension process.Equally, the 3rd, and the rear end hitch of follow-up lorry all should remain full-gear in said process, could realize continuously, fast speed slips the car operation.
Yet in practical operation, when by the rolling lorry on level tangent track during with the static lorry collision in the speed that surpasses 4km/h and the place ahead, connection extension, its rear end car coupler knuckle has been subjected to moment impact, the torque that acts on the hook tongue has exceeded friction moment sum between hook tongue and each part, broken the moment balance of hook tongue around knuckle pivot pin, cause the hook tongue to turn to certain angle around knuckle pivot pin, even turn to unlock position and cause hitch coupler lock, lose thereby cause this hitch and next lorry front end hitch connection to report the loss, even cause hitch to damage.Rear end hitch coupler lock occurs when being illustrated in figure 3 as vehicle connection extension, cause the scheme drawing that to realize joining again extension.
Summary of the invention
The objective of the invention is to: at the problems referred to above, provide a kind of in the railway truck hump slips the car operation process, can effectively preventing to be caused joining the novel hitch of reporting the loss the problem of losing by the automatic revolution of the hitch generation hook tongue of skating vehicle.
Technical scheme of the present invention is achieved in that a kind of automatic rotating hitch of hook tongue that prevents, comprise coupler body, hook tongue and knuckle pivot pin, described hook tongue is connected with coupler body by the knuckle pivot pin in the coupler knuckle pin hole that places coupler body, it is characterized in that: the upper surface, knuckle pivot pin hole at described hook tongue is provided with at least one keyway, described knuckle pivot pin is provided with the key that cooperates with described keyway, and described knuckle pivot pin is connected with coupler body by being used for preventing the automatic rotating dampened disk of hook tongue mechanism.
The automatic rotating hitch of hook tongue that prevents of the present invention, it is described be used to preventing that the automatic rotating dampened disk of hook tongue mechanism from comprising intermeshing fluted disc and the lower tooth disk gone up, the described fluted disc of going up is fixedly connected on knuckle pivot pin pin head, described lower tooth disk is fixedly connected on the coupler knuckle pin hole upper surface of coupler body, the described pressure at both sides angle that goes up each tooth that matches on fluted disc and the lower tooth disk is different, by the standard-sized sheet position to the pressure angle of rotation direction one side of the unlock position pressure angle greater than opposite side on the other side.
The automatic rotating hitch of hook tongue that prevents of the present invention, it is described, and to go up each tooth on fluted disc and the lower tooth disk be 70 ° by the standard-sized sheet position to the pressure angle of rotation direction one side of unlock position, the opposite side pressure angle is 20 °.
The automatic rotating hitch of hook tongue that prevents of the present invention, centered by the axle center of its above fluted disc or lower tooth disk, the angle α that vertex directly makes progress in adjacent two teeth on described upward fluted disc or the lower tooth disk is less than 57 °.
The automatic rotating hitch of hook tongue that prevents of the present invention, the keyway that the knuckle pivot pin hole end surface of its described hook tongue arranges is extended downwards vertically by hook tongue upper surface, described knuckle pivot pin inserts in the knuckle pivot pin hole from top to bottom, key on the described knuckle pivot pin inserts in the keyway that cooperates with it from top to bottom, and described hook tongue and knuckle pivot pin hole constitute the integral structure of interlock.
The automatic rotating hitch of hook tongue that prevents of the present invention, its end face in the knuckle pivot pin hole of described hook tongue is provided with four keyways, described keyway is evenly distributed on the 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.
When the present invention hangs at the lorry connection, the whole interlock revolution of hook tongue and knuckle pivot pin, and knuckle pivot pin is connected with coupler body by being used for preventing the automatic rotating dampened disk of hook tongue mechanism, realized that the hook gyrus lingulais commentaries on classics resistance from the standard-sized sheet position to unlock position is bigger, and the less function of resistance is changeed in the hook gyrus lingulais from unlock position to the standard-sized sheet position.This function has further realized following purpose: in various railway truck hump slips the car operation process, when the speed on level tangent track is no more than 15km/h, make by rolling lorry rear end car coupler knuckle gyroscopic movement around knuckle pivot pin does not take place, remain at the standard-sized sheet position.In addition, when upwards mentioning knuckle pivot pin along the knuckle pivot pin axis, make and break away from the keyway of key from the hook tongue on the knuckle pivot pin, and the rotation knuckle pivot pin, put down then, make the key of knuckle pivot pin be seated on the hook tongue, this moment, the upper and lower fluted disc of dampened disk broke away from synchronously, hitch has lost and prevented the automatic revolute function of hook tongue, and is identical with the function of common hitch, and three states of coupler operation is detected without any harmful effect.The present invention is less to existing hitch technical equipment and production process influence, it is simple in structure, reliable, efficiently solve in lorry hump slide car operation process and cause connection to report the loss the problem that loses because the car coupler knuckle turns round automatically, improved lorry hump slide car operating efficiency.
Description of drawings
Fig. 1 and Fig. 2 are the structural representations of existing hitch.
Fig. 3 is the operating process of railway truck hump slide car.
Fig. 4 is structural representation of the present invention.
Fig. 5 is the scheme drawing of hook tongue and knuckle pivot pin interlock.
Fig. 6 is the scheme drawing that hook tongue and knuckle pivot pin de-connect.
Fig. 7 is the structural representation of knuckle pivot pin among the present invention.
Fig. 8 is the structural representation of lower tooth disk among the present invention.
Fig. 9 is the birds-eye view of Fig. 8.
Mark among the figure: 1 is coupler body, and 2 is the hook tongue, and 3 is knuckle pivot pin, and 4 is the knuckle pivot pin hole, and 5 is keyway, and 6 is key, and 7a is last fluted disc, and 7b is lower tooth disk, and 8 is coupler knuckle pin hole.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is done detailed explanation.
In order to make purpose of the present invention, technical scheme and advantage clearer, 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 explaining the present invention, and be not used in restriction the present invention.
Shown in Fig. 4 to 9, a kind of automatic rotating hitch of hook tongue that prevents, 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 in the coupler knuckle pin hole 8 that places coupler body 1,4 upper surfaces, knuckle pivot pin hole at described hook tongue 2 are provided with four keyways 5, described keyway 5 is extended downwards vertically by hook tongue 2 upper surfaces, described keyway 5 is evenly distributed on the same circumference centered by 4 axle center, knuckle pivot pin hole, be that adjacent two keyways interval angle is 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 the knuckle pivot pin hole 4 from top to bottom, key 6 on the described knuckle pivot pin 3 inserts in the keyway 5 that cooperates with it from top to bottom, described hook tongue 2 and knuckle pivot pin hole 4 constitute the integral structure of interlock, and described knuckle pivot pin 3 is connected with coupler body 1 by being used for preventing the automatic rotating dampened disk of hook tongue mechanism.
Described be used to preventing that the automatic rotating dampened disk of hook tongue mechanism from comprising the intermeshing fluted disc 7a of going up and lower tooth disk 7b, the described fluted disc 7a that goes up is fixedly connected on knuckle pivot pin 3 pin heads, described lower tooth disk 7b is fixedly connected on coupler knuckle pin hole 8 upper surfaces of coupler body 1, it is described that to go up each the tooth pressure at both sides angle that matches on fluted disc 7a and the lower tooth disk 7b different, by the standard-sized sheet position to the pressure angle of rotation direction one side of the unlock position pressure angle greater than opposite side on the other side, in the present embodiment, describedly go up fluted disc 7a and lower tooth disk 7b to go up each tooth be 70 ° by the standard-sized sheet position to the pressure angle of rotation direction one side of unlock position, the opposite side pressure angle is 20 °, centered by the axle center of above fluted disc 7a or lower tooth disk 7b, the angle α that vertex directly makes progress in described upward fluted disc 7a or last adjacent two teeth of lower tooth disk 7b is less than 57 °, and α is 30 ° in the present embodiment.
The present invention is when realizing that connection is hung operation, interlock when hook tongue and knuckle pivot pin revolution, simultaneously, knuckle pivot pin is connected with coupler body by dampened disk mechanism, utilize the difference at each tooth pressure at both sides angle on the fluted disc, realized that the hook gyrus lingulais commentaries on classics resistance from the standard-sized sheet position to unlock position is bigger, and the less function of resistance is changeed in the hook gyrus lingulais from unlock position to the standard-sized sheet position, just can adjust the size of steering resistance by the size of adjusting each tooth pressure at both sides angle, satisfy under conditions such as specific lorry model, weight and slide vehicle speed preventing that the car coupler knuckle from automatic rotating needs taking place.
As shown in Figure 6, before hitch being carried out three-state effect inspection, before manually the hook tongue being turned back to the locking position from the standard-sized sheet position, need slightly to mention knuckle pivot pin (stroke is greater than 15mm), make the key of knuckle pivot pin from the keyway of hook tongue, break away from, and rotation knuckle pivot pin, put down then, make the key of knuckle pivot pin be seated on the hook tongue, this moment, the upper and lower fluted disc of dampened disk broke away from synchronously.At this moment, hitch has lost and prevented the automatic revolute function of hook tongue, and is identical with the function of common hitch, can normally carry out three states of coupler operation and detect.
The present invention can apply to 17 type hitches and the 16 type hitches of present China railways lorry, also can adopt this structure design with similar other model hitches of 17 type hitch structures when improving its function and structure.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. one kind prevents the automatic rotating hitch of hook tongue, 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) in the coupler knuckle pin hole (8) that places coupler body (1), it is characterized in that: the upper surface, knuckle pivot pin hole (4) at described hook tongue (2) is provided with at least one keyway (5), described knuckle pivot pin (3) is provided with the key (6) that cooperates with described keyway (5), and described knuckle pivot pin (3) is connected with coupler body (1) by being used for preventing the automatic rotating dampened disk of hook tongue mechanism.
2. the automatic rotating hitch of hook tongue that prevents according to claim 1, it is characterized in that: described be used to preventing that the automatic rotating dampened disk of hook tongue mechanism from comprising intermeshing fluted disc (7a) and the lower tooth disk (7b) gone up, the described fluted disc (7a) of going up is fixedly connected on knuckle pivot pin (3) pin head, described lower tooth disk (7b) is fixedly connected on coupler knuckle pin hole (8) upper surface of coupler body (1), the described pressure at both sides angle that goes up each tooth that matches on fluted disc (7a) and the lower tooth disk (7b) is different, by the standard-sized sheet position to the pressure angle of rotation direction one side of the unlock position pressure angle greater than opposite side on the other side.
3. the automatic rotating hitch of hook tongue that prevents according to claim 2 is characterized in that: described to go up each tooth on fluted disc (7a) and the lower tooth disk (7b) be 70 ° by the standard-sized sheet position to the pressure angle of rotation direction one side of unlock position, and the opposite side pressure angle is 20 °.
4. the automatic rotating hitch of hook tongue that prevents according to claim 2, it is characterized in that: centered by the axle center of above fluted disc (7a) or lower tooth disk (7b), the angle α that vertex directly makes progress in described upward fluted disc (7a) or last adjacent two teeth of lower tooth disk (7b) is less than 57 °.
5. the automatic rotating hitch of hook tongue that prevents 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) arranges is extended downwards vertically by hook tongue (2) upper surface, described knuckle pivot pin (3) inserts in the knuckle pivot pin hole (4) from top to bottom, key (6) on the described knuckle pivot pin (3) inserts in the keyway (5) that cooperates with it from top to bottom, and described hook tongue (2) constitutes the integral structure that links with knuckle pivot pin hole (4).
6. according to any described automatic rotating hitch of hook tongue that prevents in the claim 1 to 5, 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 the same circumference centered by axle center, knuckle pivot pin hole (4), and described knuckle pivot pin (3) is provided with four keys (6) with described four keyways (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 |
|---|---|
| CN103241260A true CN103241260A (en) | 2013-08-14 |
| CN103241260B CN103241260B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310205205.9A Active CN103241260B (en) | 2013-05-29 | 2013-05-29 | A kind of hitch preventing hook tongue automatic rotary |
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| CN (1) | CN103241260B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759605A (en) * | 2018-05-16 | 2018-11-06 | 中车眉山车辆有限公司 | A kind of slotted hole and elliptical aperture look for the device and method of geometric center |
| CN108749850A (en) * | 2018-04-28 | 2018-11-06 | 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 |
| CN110566833A (en) * | 2019-09-03 | 2019-12-13 | 深圳市海洋王照明工程有限公司 | Inspection lamp |
| CN116902017A (en) * | 2023-09-06 | 2023-10-20 | 吉林交通职业技术学院 | Rail transit vehicle traction connection frame |
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| US3926317A (en) * | 1974-04-20 | 1975-12-16 | Scharfenbergkupplung Gmbh | Rail vehicle device for returning a central buffer coupling horizontally to its mid-position |
| US4597499A (en) * | 1984-06-20 | 1986-07-01 | Hanula Richard M | Biased pin retainer block for a rotary coupling system |
| CN1907780A (en) * | 2006-08-04 | 2007-02-07 | 中国南车集团眉山车辆厂 | Double system car coupler of railway vehicle |
| US20070084818A1 (en) * | 2005-10-18 | 2007-04-19 | Brabb David C | Apparatus for railway freight car coupler knuckle |
| 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
- 2013-05-29 CN CN201310205205.9A patent/CN103241260B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3926317A (en) * | 1974-04-20 | 1975-12-16 | Scharfenbergkupplung Gmbh | Rail vehicle device for returning a central buffer coupling horizontally to its mid-position |
| US4597499A (en) * | 1984-06-20 | 1986-07-01 | Hanula Richard M | Biased pin retainer block for a rotary coupling system |
| US20070084818A1 (en) * | 2005-10-18 | 2007-04-19 | Brabb David C | Apparatus for railway freight car coupler knuckle |
| CN1907780A (en) * | 2006-08-04 | 2007-02-07 | 中国南车集团眉山车辆厂 | 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749850A (en) * | 2018-04-28 | 2018-11-06 | 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 |
| CN108759605A (en) * | 2018-05-16 | 2018-11-06 | 中车眉山车辆有限公司 | A kind of slotted hole and elliptical aperture look for the device and method of geometric center |
| 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 |
| CN110566833A (en) * | 2019-09-03 | 2019-12-13 | 深圳市海洋王照明工程有限公司 | Inspection lamp |
| CN116902017A (en) * | 2023-09-06 | 2023-10-20 | 吉林交通职业技术学院 | Rail transit vehicle traction connection frame |
| CN116902017B (en) * | 2023-09-06 | 2023-11-14 | 吉林交通职业技术学院 | Rail transit vehicle traction connection frame |
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| Publication number | Publication date |
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| CN103241260B (en) | 2015-08-12 |
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