CN202574251U - Coupler knuckle of car coupler of railway vehicle - Google Patents
Coupler knuckle of car coupler of railway vehicle Download PDFInfo
- Publication number
- CN202574251U CN202574251U CN 201220228636 CN201220228636U CN202574251U CN 202574251 U CN202574251 U CN 202574251U CN 201220228636 CN201220228636 CN 201220228636 CN 201220228636 U CN201220228636 U CN 201220228636U CN 202574251 U CN202574251 U CN 202574251U
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- Prior art keywords
- hook tongue
- coupler
- railway vehicle
- iron
- groove
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a coupler knuckle of a car coupler of a railway vehicle. The coupler knuckle comprises a head part hung with the other coupler knuckle, a tail part for extending into a coupler body, and a connection part connected between the head part and the tail part. The coupler knuckle is characterized in that grooves extending along a vertical direction are arranged on the lateral face of the connection part; and the bottom surface of each groove is provided with a push face which is kicked to move by a kicking part of a pushing iron block of the coupler knuckle. According to the car coupler of the railway vehicle and the railway vehicle provided by the utility model, a rotation region of the kicking part of the pushing iron block of the coupler knuckle is located above the top face of a traction table, so that the extending length of the traction table in a horizontal direction is increased; the strength of the coupler body is improved; and the coupler knuckle is beneficial to the improvement of the operation security.
Description
Technical field
The present invention relates to the rolling stock manufacturing technology, relate in particular to a kind of railway vehicle coupler hook tongue.
Background technology
Railway vehicle mainly is made up of car body, traveling portion, brake equipment, coupler and draft gear and vehicle interior.Hitch is the vitals of coupler and draft gear, its function be realize that company between railway locomotive and compartment or compartment and the compartment hangs, transmitting tractive power and impulsive force, and make between two adjacent compartments and keep certain distance.
Fig. 1 is the structural representation of hitch on main apparent direction of prior art; Fig. 2 be among Fig. 1 A-A to cutaway view; Fig. 3 is the block diagram of hook tongue in the hitch of prior art; Fig. 4 is the block diagram that the hook tongue pushes away iron in the hitch of prior art, and Fig. 5 is that the hook tongue pushes away drive connection scheme drawing between iron and the hook tongue in the prior art.Shown in Fig. 1-5; Hitch comprises: along vertical coupler body that is provided with 1 of level and hook tongue 2; Coupler body 1 is for hollow structure and one of which end have opening, hook tongue 2 by head 202, afterbody 201 and be connected head 202 and afterbody 201 between connecting portion 203 form, the afterbody 201 of hook tongue extend in the cavity of coupler body 1 via this opening; And the knuckle pivot pin axle 21 through vertically being located on the coupler body 1 is hinged with hook tongue 2 and coupler body 1, so that hook tongue 2 can rotate around knuckle pivot pin axle 21; At the rear of the afterbody 201 of hook tongue 2 and in coupler body 1, also be provided with the hook tongue and push away iron 3; The hook tongue of integral type pushes away iron 3 to be made up of kicking portion 31 and lock portion 32, and the junction through being positioned at kicking portion 31 and lock portion 32 push away that iron bearing pin 33 pushes away iron 3 with the hook tongue and coupler body 1 is hinged; It is parallel with knuckle pivot pin axle 21 to push away iron bearing pin 33; And when the hook tongue pushes away iron 3 when pushing away iron bearing pin 33 and rotate counterclockwise; The hook tongue pushes away the end of the kicking portion 31 of iron 3 and plays the promotion face 211 on the hook tongue 2; Clockwise rotate around knuckle pivot pin axle 21 to drive hook tongue 2, thus open (the backward rotation process is locking) of realizing hitch.
Fig. 6 is a tractive force transfer principle scheme drawing between hook tongue and the coupler body.Please earlier with reference to Fig. 6; F is the direction of tractive force among the figure; Knuckle pivot pin axle 21 is along vertical setting; Be used on the coupler body 1 to wear knuckle pivot pin axle 21 two first pin-and-holes around be formed with upper flange 101 and lower flange 102 respectively, and the place ahead of corresponding hook tongue 2 afterbodys is formed with traction table 103 and following traction table 104 respectively on the coupler body 1.When rolling stock moves; Hitch 2 is in locking states to transmit tractive force longitudinally; Normally contacting of front end face through last traction table 103 and following traction table 104 and hook tongue 2 afterbodys transmitted this tractive force; When last traction table 103 and following traction table 104 after wearing and tearing for a long time, then through last traction table 103 and following traction table 104 and upper flange 101 and lower flange 102 common transmitting tractive power.
From the above; The shape and structure of hook tongue 2 need adapt to the internal cavities of coupler body 1; Also need cooperate the hook tongue to push away iron 3 simultaneously and realize opening and locking of hitch; Hook tongue 2 of the prior art (as shown in Figure 3) can cooperate kicking portion 31 and lock portion 32 to be positioned at conplane hook tongue to push away iron 3 (as shown in Figure 4) and realize its function, that is, and when the hook tongue pushes away iron 3 and in horizontal surface, rotates; Along with the rotation of kicking portion 31, the promotion face 211 that is positioned on the end of the kicking 31 meeting engagement hook tongue also promotes hook tongue 2 around 21 rotations of knuckle pivot pin axle; The below of the connecting portion 203 of hook tongue 2 of the prior art is set with a pushing part 210, is used for pushing away the surface that the kicking portion 31 of iron contacts with the hook tongue on it and then is promotion face 211.
But the hook tongue of this structure of the prior art is because promotion face 211 is arranged on the below of connecting portion 203; Therefore, the hook tongue pushes away the below that the kicking portion 31 of iron and kicking portion 31 pivot region also that the hook tongue pushes away iron also are positioned at connecting portion 203, and traction table 104 also is positioned at the bottom of the internal cavities of coupler body 1 simultaneously down; Thereby caused the restriction of the development length of traction table down; (shown in Figure 7, the development length of traction table 104 is shorter), but short following traction table length also can cause the undercapacity of coupler hook body; Make after train operation a period of time; Following traction table place is prone to crackle, even the coupler hook body fracture possibly occur, has increased the potential safety hazard in the rolling stock operational process.
Summary of the invention
To above-mentioned defective of the prior art, the present invention provides a kind of railway vehicle coupler hook tongue, moves the kicking portion that the hook tongue pushes away iron with on realizing, thereby prolongs the horizontal-extending length of traction table down, avoids that traction table crackle occurs because of undercapacity under the coupler body.
The present invention provides a kind of railway vehicle coupler hook tongue; Comprise: the head that is used for articulating, be used to extend into coupler body in-to-in afterbody with another hook tongue; And be connected the connecting portion between said head and the afterbody; It is characterized in that, offer the groove that extends longitudinally on the side of said connecting portion, said groove floor is to be used for being pushed away the promotion face that the kicking portion of iron plays by the hook tongue.
Aforesaid railway vehicle coupler hook tongue, preferably, in the two side of said groove below sidewall surfaces push away to said hook tongue between the lower surface of lock portion of iron at a distance of first distance.
Aforesaid railway vehicle coupler hook tongue, preferably, said groove is extended to the distal end faces of said afterbody by said head.
Aforesaid railway vehicle coupler hook tongue, preferably, said connecting portion surface or surface down up to the minor increment of the sidewall of said groove all more than or equal to 3mm.
Railway vehicle coupler hook tongue provided by the invention; Because it promotes to move on the connecting portion of hook tongue on the position of face, make in the hitch of the hook tongue that adopts present embodiment that the position that the hook tongue pushes away the kicking portion of iron can above move to down the top face of traction table; Thereby make the elongated area that horizontally rotates zone and following traction table of kicking portion no longer include common factor; Therefore, the development length that just can pass through the following traction table of increase coupler body improves the intensity of coupler body, reaches and reduces train after operation a period of time; Near the possibility that occurs crackle even fracture the following traction table of coupler body has improved the safety that rolling stock moves.
Description of drawings
Fig. 1 is the structural representation of hitch on main apparent direction of prior art;
Fig. 2 be among Fig. 1 A-A to cutaway view;
Fig. 3 is the block diagram of hook tongue in the hitch of prior art;
Fig. 4 is the block diagram that the hook tongue pushes away iron in the hitch of prior art;
Fig. 5 is that the hook tongue pushes away drive connection scheme drawing between iron and the hook tongue in the prior art;
Fig. 6 is a tractive force transfer principle scheme drawing between hook tongue and the coupler body;
Fig. 7 removes the structural representation that hook tongue and hook tongue push away iron among Fig. 2;
Fig. 8 is the block diagram for railway vehicle coupler hook tongue embodiment of the present invention;
The hook tongue that Fig. 9 uses for matching with hook tongue shown in Figure 8 pushes away the block diagram of iron;
Figure 10 is the position view that has adopted the following traction table in the coupler body of hook tongue shown in Figure 8;
Figure 11 pushes away the drive connection scheme drawing between the iron for hook tongue and the hook tongue among Fig. 9 among Fig. 8.
The specific embodiment
" vertically " described in the present invention is meant the direction that rail extends; " preceding " is meant current of traffic; " the minimum limit projected position of kicking portion " is meant; When kicking portion when pushing away the iron bearing pin and in horizontal surface, rotate; Kicking portion is along vertical projection when vertically forwarding the minimum angles position to, promptly when hitch is in full-gear, and the pairing position projection longitudinally of kicking portion.
Fig. 8 is the block diagram for railway vehicle coupler hook tongue embodiment of the present invention; The hook tongue that Fig. 9 uses for matching with hook tongue shown in Figure 8 pushes away the block diagram of iron; Figure 10 is the position view that has adopted the following traction table in the coupler body of hook tongue shown in Figure 8; Figure 11 pushes away the drive connection scheme drawing between the iron for hook tongue and the hook tongue among Fig. 9 among Fig. 8; Please with reference to Fig. 8-11; Present embodiment provides a kind of railway vehicle coupler hook tongue; Comprise: the head 202 that is used for articulating, be used to extend into coupler body in-to-in afterbody 201 with another hook tongue; And be connected the connecting portion 203 between head 202 and the afterbody 201, and offering the groove 205 that extends longitudinally on the side of connecting portion 203, the bottom surface of groove 205 is used for being pushed away the promotion face 211 that the kicking portion 31 of iron 3 plays by the hook tongue.
Particularly, the head 202 of hook tongue is provided with through hole, so that the hook tongue is hinged on (please with reference to Fig. 6) on the coupler body 1 through the knuckle pivot pin axle; The connecting portion 203 of hook tongue extends longitudinally; Connecting portion 203 with respect to the hook tongue push away iron 3 the surface on offer a groove 205; The degree of depth of groove 205 (bottom surface that is groove pushes away the distance on the surface of iron 3 to the hook tongue) can be confirmed according to the relative position relation that hook tongue and hook tongue push away between the kicking portion 31 of iron 3; The width of groove 205 (distance between the two side of groove) can confirm that so that the hook tongue pushes away iron 3 when pushing away 33 rotations of iron bearing pin, the bottom surface of groove 205 can be played by its kicking portion 31 according to kicking 31 terminal sizes; The hook tongue is rotated around the knuckle pivot pin axle, thereby realize opening and locking of hitch; That is, the bottom surface of groove 205 is for pushing away the promotion face 211 that the kicking portion 31 of iron 3 matches with the hook tongue.
The hitch of the hook tongue that the employing present embodiment provides; Because the promotion face 211 of its hook tongue is arranged on the surface of connecting portion 203; And not for another example in the prior art on the pushing part of such below that is arranged on connecting portion 203; Adaptably, the hook tongue kicking portion 31 that pushes away iron 3 needs that moving to match with promotion face 211 realizes the hitch function; Promptly; The hook tongue pushes away iron 3 and can adopt hook tongue as shown in Figure 9 to push away iron; Kicking 31 departs from setting with lock portion 32; So that pushing away the kicking portion 31 of iron, the hook tongue can rotate around pushing away iron bearing pin 33 in the top face of following traction table 104, like this, and the extensible minimum limit projected position that surpasses kicking 31 of following traction table 104 along continuous straight runs.
Preferably; The lower surface at kicking edge 31 and the lower surface of lock portion 32 can be at a distance of first distances; Traction table 104 was confirmed at the height on vertical under the value of this first distance can reach according to kicking portion 31, lock portion 32; The vertical distance of the inner bottom surface of 31 the relative coupler body 1 of nadir can not interfere kicking portion 31 around the rotation that pushes away iron bearing pin 33 greater than the vertical height of traction table 104 down to guarantee down traction table 104 as long as can guarantee to kick, and that is to say; 31 the pivot region of kicking this moment on end face at traction table down, the restriction of no longer being kicked along elongation of following traction table 104; And then, just can be through increasing the intensity that following traction table 104 development length in the horizontal direction improve coupler body.
Further, in the two side of groove 205 below sidewall surfaces push away to the hook tongue between the lower surface of lock portion 32 of iron 3 at a distance of first distance.Preferably, according to hitch dimensions commonly used, the end face of following traction table 104 is than the high 25mm of upper surface of lock portion 32, and accordingly, this first distance can be selected the numerical value more than or equal to 25mm.
The minimum limit projected position that can only extend to kicking portion with the following traction table 104 of coupler body in the prior art is compared (as shown in Figure 7), and the following traction table 104 of the coupler body 1 of present embodiment can surpass the minimum limit position of kicking portion 31, to improve the intensity of coupler body; It is understandable that the longer effect that the intensity of coupler body is improved of following traction table 104 development length in the horizontal direction is obvious more; Preferably, following traction table 104 can extend to the side-walls of coupler body always.
The railway vehicle coupler hook tongue that present embodiment provides; Because move on the connecting portion of hook tongue on the position of its promotion face, thereby, in the hitch of the hook tongue of feasible employing present embodiment; The position that the hook tongue pushes away the kicking portion of iron can above move to down the plane domain of the top face of traction table; Therefore, the development length that just can pass through the following traction table of increase coupler body improves the intensity of coupler body, reaches and reduces train after operation a period of time; The possibility that occurs crackle even fracture at the following traction table place of coupler body has improved the safety that rolling stock moves.
In the above-described embodiments; As shown in Figure 8; The vertical thickness that width between the two side of groove 205 and hook tongue push away the kicking portion 31 of iron 3 is complementary; Can adopt little free-running fit between the end of i.e. kicking portion 31 and the groove 205,, prevent vertical impact or vibrated 31 the displacements that to cause kicking in vertical appearance so that be that kicking 31 end slides along groove 205 when playing the hook tongue; Rotate in horizontal surface with further assurance hook tongue 2, thereby can when guaranteeing open angle, reduce unnecessary wearing and tearing.
Further, groove 205 can be extended to the distal end faces of afterbody 201 by head 202, and such groove is designed with and is beneficial to processing and manufacturing, also convenient assembling and dismounting.
Further; Connecting portion 205 surface or surface down up to the minor increment of the sidewall of groove all more than or equal to 3mm; To guarantee that the hook tongue has enough intensity, prevents the hook tongue at work because of undercapacity ruptures, and then guarantees the functional reliability of whole hitch.
What should explain at last is: above each embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although the present invention has been carried out detailed explanation with reference to aforementioned each embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (6)
1. railway vehicle coupler hook tongue; Comprise: the head that is used for articulating, be used to extend into coupler body in-to-in afterbody with another hook tongue; And be connected the connecting portion between said head and the afterbody; It is characterized in that, offer the groove that extends longitudinally on the side of said connecting portion, said groove floor is to be used for being pushed away the promotion face that the kicking portion of iron plays by the hook tongue.
2. railway vehicle coupler hook tongue according to claim 1 is characterized in that the vertical thickness that width between the two side of said groove and hook tongue push away the kicking portion of iron is complementary.
3. railway vehicle coupler hook tongue according to claim 1 and 2 is characterized in that said groove is extended to the distal end faces of said afterbody by said head.
4. railway vehicle coupler hook tongue according to claim 1 and 2 is characterized in that, said connecting portion surface or surface down up to the minor increment of the sidewall of said groove all more than or equal to 3mm.
5. railway vehicle coupler hook tongue according to claim 3 is characterized in that, in the two side of said groove below sidewall surfaces push away to said hook tongue between the lower surface of lock portion of iron at a distance of first distance.
6. railway vehicle coupler hook tongue according to claim 5 is characterized in that, said first distance is more than or equal to 25mm.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220228636 CN202574251U (en) | 2012-05-21 | 2012-05-21 | Coupler knuckle of car coupler of railway vehicle |
| AU2013101707A AU2013101707A4 (en) | 2012-05-18 | 2013-05-14 | Coupler push-block, coupler tongue, coupler, and railroad car |
| PCT/CN2013/075579 WO2013170740A1 (en) | 2012-05-18 | 2013-05-14 | Coupler push-block, coupler tongue, coupler, and railroad car |
| AU2013262225A AU2013262225A1 (en) | 2012-05-18 | 2013-05-14 | Coupler push-block, coupler tongue, coupler, and railroad car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220228636 CN202574251U (en) | 2012-05-21 | 2012-05-21 | Coupler knuckle of car coupler of railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202574251U true CN202574251U (en) | 2012-12-05 |
Family
ID=47243695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220228636 Expired - Lifetime CN202574251U (en) | 2012-05-18 | 2012-05-21 | Coupler knuckle of car coupler of railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202574251U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013170740A1 (en) * | 2012-05-18 | 2013-11-21 | 齐齐哈尔轨道交通装备有限责任公司 | Coupler push-block, coupler tongue, coupler, and railroad car |
| CN105083315A (en) * | 2015-09-07 | 2015-11-25 | 大连交通大学 | Car coupler knuckle and application thereof |
| CN108715170A (en) * | 2018-06-29 | 2018-10-30 | 中车齐齐哈尔车辆有限公司 | Rail truck, hitch and its hook bolt |
| CN108891440A (en) * | 2018-06-29 | 2018-11-27 | 中车齐齐哈尔车辆有限公司 | A kind of rolling stock, hitch and hook bolt |
-
2012
- 2012-05-21 CN CN 201220228636 patent/CN202574251U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013170740A1 (en) * | 2012-05-18 | 2013-11-21 | 齐齐哈尔轨道交通装备有限责任公司 | Coupler push-block, coupler tongue, coupler, and railroad car |
| CN105083315A (en) * | 2015-09-07 | 2015-11-25 | 大连交通大学 | Car coupler knuckle and application thereof |
| CN108715170A (en) * | 2018-06-29 | 2018-10-30 | 中车齐齐哈尔车辆有限公司 | Rail truck, hitch and its hook bolt |
| CN108891440A (en) * | 2018-06-29 | 2018-11-27 | 中车齐齐哈尔车辆有限公司 | A kind of rolling stock, hitch and hook bolt |
| CN108891440B (en) * | 2018-06-29 | 2020-04-24 | 中车齐齐哈尔车辆有限公司 | Locomotive, car coupler and coupler knuckle |
| CN108715170B (en) * | 2018-06-29 | 2023-07-04 | 中车齐齐哈尔车辆有限公司 | Railway vehicle, coupler and coupler knuckle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA RAILWAY CORPORATION Free format text: FORMER OWNER: QIQIHAR RAIL TRAFFIC EQUIPMENT CO., LTD. Effective date: 20150520 Owner name: QIQIHAR RAIL TRAFFIC EQUIPMENT CO., LTD. Effective date: 20150520 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 161002 QIQIHAR, HEILONGJIANG PROVINCE TO: 100844 HAIDIAN DISTRICT, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150520 Address after: 10 Fuxing Road, Beijing, No. 100844 Patentee after: CHINA RAILWAY CORPORATION Patentee after: Qiqihar Rail Traffic Equipment Co., Ltd. Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee before: Qiqihar Rail Traffic Equipment Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 10 Fuxing Road, Beijing, No. 100844 Patentee after: CHINA RAILWAY CORPORATION Patentee after: CRRC QIQIHAR VEHICLE CO., LTD. Address before: 10 Fuxing Road, Beijing, No. 100844 Patentee before: CHINA RAILWAY CORPORATION Patentee before: Qiqihar Railway Rolling Stock Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |