CN203255207U - Car coupler capable of preventing coupler knuckle from revolving automatically - Google Patents
Car coupler capable of preventing coupler knuckle from revolving automatically Download PDFInfo
- Publication number
- CN203255207U CN203255207U CN 201320300180 CN201320300180U CN203255207U CN 203255207 U CN203255207 U CN 203255207U CN 201320300180 CN201320300180 CN 201320300180 CN 201320300180 U CN201320300180 U CN 201320300180U CN 203255207 U CN203255207 U CN 203255207U
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- China
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- coupler
- pivot pin
- hook tongue
- knuckle
- knuckle pivot
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Abstract
The utility model discloses a car coupler capable of preventing a coupler knuckle from revolving automatically. 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 coupler lug hole of the coupler body, at least one key groove is formed in the upper end face of a coupler knuckle pin hole of the coupler knuckle, the coupler knuckle pin is provided with keys matched with the key grooves, and the coupler knuckle pin is connected with the coupler body through a damping disc mechanism used for preventing the coupler knuckle from revolving automatically. When the car coupler is used for freight car connection, the coupler knuckle and the coupler knuckle pin are in linkage revolving in an integrated mode, the coupler knuckle pin is connected with the coupler body through the damping disc mechanism used for preventing the coupler knuckle from revolving automatically, therefore, coupler knuckle revolving resistance from a full-open position to an unlocking position is large, and therefore the coupler knuckle revolving resistance from the unlocking position to the full-open position is small. In hump car rolling operation of various types of wagons, the speed on a straight line is no less than 15km/h, and therefore the car coupler knuckle at the back end of the rolling freight car will not revolve around the coupler knuckle pin and maintains on the full-open position all the time.
Description
Technical field
The utility model relates to a kind of hitch of hook tongue automatic rotary locking can effectively prevent that train from hanging together in the railway truck hump slips the car operating process time.
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 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 occur.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 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.Lorry to be hung together 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 is turned back to unlock position under the effect of impact force, then separately lock iron drops to the locking position automatically, thus realize the prosthetic intervention, efficiently, lorry hangs together automatically.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, remain full-gear in hanging together 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 with the static lorry in the speed that surpasses 4km/h and the place ahead collide, when hanging together, its rear end coupler knuckle for car coupler has been subject 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, thereby cause this hitch and next lorry front end hitch to hang together failure, even cause hitch to damage.Be illustrated in figure 3 as and occur rear end hitch coupler lock when vehicle hangs together, cause and to realize the schematic diagram that again hangs together.
The utility model content
Goal of the invention of the present utility model is: for the problems referred to above, provide a kind of novel hitch that can effectively prevent from being caused hanging together by the hitch generation hook tongue automatic rotary of skating vehicle failure problem in the railway truck hump slips the car operation process.
The technical solution of the utility model is achieved in that a kind of hitch that prevents 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 in the coupler knuckle pin hole that is placed in 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, be provided with the key that coordinates with described keyway on described knuckle pivot pin, described knuckle pivot pin is by being used for preventing that the damp disk mechanism of hook tongue automatic rotary is connected with coupler body.
The hitch that prevents hook tongue automatic rotary described in the utility model, its described damp disk mechanism be used to preventing hook tongue automatic rotary comprises intermeshing upper fluted disc and lower tooth disk, described upper fluted disc is fixedly connected on knuckle pivot pin plunger section, described lower tooth disk is fixedly connected on the coupler knuckle pin hole upper surface of coupler body, the pressure at both sides angle of each tooth that matches on described upper fluted disc and 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 hitch that prevents hook tongue automatic rotary described in the utility model, on its described upper fluted disc and lower tooth disk, each tooth is 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 hitch that prevents hook tongue automatic rotary described in the utility model, centered by the axle center of its above fluted disc or lower tooth disk, the angle α that on described upper fluted disc or lower tooth disk, in adjacent two teeth, the vertex footpath makes progress is less than 57 °.
The hitch that prevents hook tongue automatic rotary described in the utility model, the keyway that the knuckle pivot pin hole end surface of its described hook tongue arranges by hook tongue upper surface vertically to downward-extension, described knuckle pivot pin inserts in the 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, the integral structure of described hook tongue and knuckle pivot pin hole formation interlock.
The hitch that prevents hook tongue automatic rotary described in the utility model, its end face in the knuckle pivot pin hole of described hook tongue is provided with four keyways, described keyway is evenly distributed on same circumference centered by axle center, knuckle pivot pin hole, is provided with four keys with described four keyway corresponding matching on described knuckle pivot pin.
When the utility model hangs together at lorry, hook tongue and the revolution of knuckle pivot pin Coupled motion, and knuckle pivot pin is by being used for preventing that the damp disk mechanism of hook tongue automatic rotary is connected with coupler body, realized turning resistance from the standard-sized sheet position to the hook gyrus lingulais of unlock position larger, and the hook gyrus lingulais from unlock position to the standard-sized sheet position turns the less function of resistance.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 coupler knuckle for car coupler gyroscopic movement around knuckle pivot pin does not occur, remain at the standard-sized sheet position.In addition, when upwards mentioning knuckle pivot pin along the knuckle pivot pin axis, make the keyway of key from the hook tongue on knuckle pivot pin and break away from, and the rotation knuckle pivot pin, then put down, make the key of knuckle pivot pin be seated on the hook tongue, this moment, the upper and lower fluted disc of dampened disk synchronously broke away from, hitch has lost and prevented hook tongue automatic rotary function, and is identical with the function of common hitch, and three states of coupler operation is detected without any harmful effect.The utility model is less on existing hitch technical equipment and production process impact, it is simple in structure, reliable, efficiently solve in the lorry hump slips the car operation process because the coupler knuckle for car coupler automatic rotary causes the problem that hangs together failure, improved the lorry hump and slipped the car operating efficiency.
Description of drawings
Fig. 1 and Fig. 2 are the structural representations of existing hitch.
Fig. 3 is that the railway truck hump slips the car operating process.
Fig. 4 is structural representation of the present utility model.
Fig. 5 is the schematic diagram of hook tongue and knuckle pivot pin interlock.
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 utility model.
Fig. 8 is the structural representation of lower tooth disk in the utility model.
Fig. 9 is the birds-eye view of Fig. 8.
Mark in 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 upper 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 utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Fig. 4 to 9; A kind of hitch that prevents 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 in the coupler knuckle pin hole 8 that is placed in coupler body 1; 4 upper surfaces, knuckle pivot pin hole at described hook tongue 2 are provided with four keyways 5; Described keyway 5 by hook tongue 2 upper surfaces vertically to downward-extension; Described keyway 5 is evenly distributed on same circumference centered by 4 axle center, knuckle pivot pin hole; Be that adjacent two keyway interval angles are 90 °; Be provided with four keys 6 with described four keyway 5 corresponding matching on described knuckle pivot pin 3; 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; The integral structure of described hook tongue 2 and knuckle pivot pin hole 4 formation interlocks; Described knuckle pivot pin 3 is by being used for preventing that the damp disk mechanism of hook tongue automatic rotary is connected with coupler body 1.
Described damp disk mechanism be used to preventing hook tongue automatic rotary comprises intermeshing upper fluted disc 7a and lower tooth disk 7b; Described upper fluted disc 7a is fixedly connected on knuckle pivot pin 3 plunger sections; Described lower tooth disk 7b is fixedly connected on coupler knuckle pin hole 8 upper surfaces of coupler body 1; Each the tooth pressure at both sides angle that matches on described upper fluted disc 7a and 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; In the present embodiment; Upper each tooth of described upper fluted disc 7a and lower tooth disk 7b is 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 in upper adjacent two teeth of described upper fluted disc 7a or lower tooth disk 7b, the vertex footpath makes progress is less than 57 °; α is 30 ° in the present embodiment.
The utility model is when realizing hanging together operation, interlock when hook tongue and knuckle pivot pin revolution, simultaneously, knuckle pivot pin is connected with coupler body by damp disk mechanism, utilize on fluted disc the difference at each tooth pressure at both sides angle, realized turning resistance from the standard-sized sheet position to the hook gyrus lingulais of unlock position larger, and the hook gyrus lingulais from unlock position to the standard-sized sheet position turns the less function of resistance, just can adjust the size of steering resistance by the size of adjusting each tooth pressure at both sides angle, satisfy at specific lorry model, weight and the needs that prevent coupler knuckle for car coupler generation automatic rotary under the condition such as vehicle speed that slip.
As shown in Figure 6, before hitch being carried out tri-state effect inspection, needed slightly to mention knuckle pivot pin (stroke is greater than 15mm) manually the hook tongue is turned back to the locking position from the standard-sized sheet position before, make the key of knuckle pivot pin break away from from the keyway of hook tongue, and rotation knuckle pivot pin, then put down, make the key of knuckle pivot pin be seated on the hook tongue, this moment, the upper and lower fluted disc of dampened disk synchronously broke away from.At this moment, hitch has lost and prevented hook tongue automatic rotary function, and is identical with the function of common hitch, can normally carry out three states of coupler operation and detect.
The utility model 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 structure of couplers when improving its function and structure.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. hitch that prevents 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) in the coupler knuckle pin hole (8) that is placed in 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), be provided with the key (6) that coordinates with described keyway (5) on described knuckle pivot pin (3), described knuckle pivot pin (3) is by being used for preventing that the damp disk mechanism of hook tongue automatic rotary is connected with coupler body (1).
2. the hitch that prevents hook tongue automatic rotary according to claim 1; It is characterized in that: described damp disk mechanism be used to preventing hook tongue automatic rotary comprises intermeshing upper fluted disc (7a) and lower tooth disk (7b); Described upper fluted disc (7a) is fixedly connected on knuckle pivot pin (3) plunger section; Described lower tooth disk (7b) is fixedly connected on coupler knuckle pin hole (8) upper surface of coupler body (1); The pressure at both sides angle of each tooth that matches on described upper fluted disc (7a) and 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 hitch that prevents hook tongue automatic rotary according to claim 2 is characterized in that: upper each tooth of described upper fluted disc (7a) and lower tooth disk (7b) is 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 hitch that prevents hook tongue automatic rotary 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 in upper adjacent two teeth of described upper fluted disc (7a) or lower tooth disk (7b), the vertex footpath makes progress is less than 57 °.
5. the hitch that prevents 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) arranges 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) consists of with knuckle pivot pin hole (4) integral structure that links.
6. the described hitch that prevents hook tongue automatic rotary of any one according to 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 same circumference centered by axle center, knuckle pivot pin hole (4), is provided with four keys (6) with described four keyways (5) corresponding matching on described knuckle pivot pin (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320300180 CN203255207U (en) | 2013-05-29 | 2013-05-29 | Car coupler capable of preventing coupler knuckle from revolving automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320300180 CN203255207U (en) | 2013-05-29 | 2013-05-29 | Car coupler capable of preventing coupler knuckle from revolving automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203255207U true CN203255207U (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320300180 Expired - Fee Related CN203255207U (en) | 2013-05-29 | 2013-05-29 | Car coupler capable of preventing coupler knuckle from revolving automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203255207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241260A (en) * | 2013-05-29 | 2013-08-14 | 南车眉山车辆有限公司 | Car coupler with coupler knuckle prevented from automatic rotation |
-
2013
- 2013-05-29 CN CN 201320300180 patent/CN203255207U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241260A (en) * | 2013-05-29 | 2013-08-14 | 南车眉山车辆有限公司 | Car coupler with coupler knuckle prevented from automatic rotation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20150529 |
|
| EXPY | Termination of patent right or utility model |