CN101475017A - Couple yoke of lorry coupler buffering apparatus - Google Patents
Couple yoke of lorry coupler buffering apparatus Download PDFInfo
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- CN101475017A CN101475017A CNA200910008717XA CN200910008717A CN101475017A CN 101475017 A CN101475017 A CN 101475017A CN A200910008717X A CNA200910008717X A CN A200910008717XA CN 200910008717 A CN200910008717 A CN 200910008717A CN 101475017 A CN101475017 A CN 101475017A
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- draft key
- hook tail
- holder
- tail frame
- key holder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/20—Details; Accessories
- B61G9/22—Supporting framework, e.g. cradles; Spring housings
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a couple tail frame for a railway good train coupler buffering device, which comprises a coupler tail frame body and a coupler tail pin support, wherein the head of the coupler tail frame body is provided with a coupler tail pin hole used for mounting a coupler tail pin which is connected with a coupler; and the coupler pin support is arranged bellow the head of the coupler frame body and used for bearing the couple tail pin. The shape of the upper surface of a bearing part of the coupler tail pin support is corresponding to the shape of the lower surface so as to ensure that the couple tail pin support and the coupler tail pin form surface contact. Because the strength of the coupler tail pin is high, and the coupler tail pin support and the coupler tail pin form the surface contact, the stress of the coupler tail pin support is balanced so as to be favorable for improving the strength of the bearing structure of the coupler tail pin, and improving the safe reliability of the coupler tail frame.
Description
Technical field
The present invention relates to the lorry coupler buffering device technical field, be specifically related to a kind of hook tail frame of lorry coupler buffering device.
Background technology
Coupler buffering device is the vitals of railway vehicle, mainly is made up of hitch, hook tail frame, draft key, slave plate, energy disperser; In the vehicle operating process, the tractive force between vehicle is delivered to car body by hitch, draft key, hook tail frame, energy disperser, slave plate successively.Wherein, hook tail frame is the parts of slave plate, energy disperser being installed and being connected hitch, bears vehicle towed power; Draft key is a cotter pilotage, and the draft key hole by coupler body and hook tail frame links together the two; The draft key bolt is a special bolt, holds up draft key, prevents its come off from coupler body and hook tail frame (going out).
As seen, hook tail frame is the important link of railway vehicle, and railway vehicle couples together by hitch, and hitch is connected with hook tail frame by draft key, thereby guarantees to connect between the rail vehicle, forms train shipping goods and transmitting tractive power.Therefore, the margin of strength of hook tail frame and the safe reliability of draft key carrying structure are for guaranteeing that safety of railway transportation is significant.
At present, the 60t level lorry of China's operation is mainly installed 13A type, 13B type hook tail frame.Along with China railways Speed Increase of Freight Cars, heavily stressed further developing, it exposes the not high problem of undercapacity, reliability gradually, takes place easily that hook tail frame fracture and draft key bolt fracture and the accident that causes train to separate is summarized as follows:
See also Fig. 1, this figure is the structural representation of existing 13A type hook tail frame.As shown in Figure 1, the lower head of hook tail framework 1 is provided with hangers 2, offers bolt hole 21 on it, in order to hold-down hook end pin bolt.This 13A type hook tail frame, adopt the frame mode of single draft key bolt carrying draft key, has big defective, this be because: the draft key bolt may bear excessive vertical application force of moment in utilization, indifferent because of bearing shearing force, cause that easily the draft key bolt fractures and causes draft key to come off, thereby cause train separation accident.Simultaneously, hook tail framework 1 adopts foundry technique, because the existence of foundry defect, especially foundry defects such as sand holes, pore appear in hook tail frame palintrope angular position structure easily, easily makes draft key form endurance crack in the vehicle utilization.
See also Fig. 2, this figure is the structural representation of existing 13B type hook tail frame.This 13B type hook tail mount structure and 13A type hook tail frame are similar, adopt the structure of three draft key bolt carrying draft keys, and its intensity has obtained reinforcement, but still the possibility that exists the draft key bolt to fracture.In addition, 13B type hook tail frame still adopts foundry technique, the problem of unresolved hook tail frame self undercapacity.
Along with the increase of railway truck running velocity, traction tonnage, hook tail frame constantly is subjected to the load of excessive, high frequency time of moment in the utilization process; Because of self intensity and draft key carrying structure undercapacity, 13A type, 13B type hook tail frame fracture accident increase gradually, can not be suitable for the China Railway Freight growth requirement.
Summary of the invention
In view of this, the invention provides a kind of hook tail frame of lorry coupler buffering device, can improve draft key carrying structure intensity, improve the safe reliability of hook tail frame.
For solving above technical matters, the hook tail frame of lorry coupler buffering device provided by the invention comprises hook tail framework, and head is provided with the draft key hole, is used for installing and hitch bonded assembly draft key; Also comprise the draft key holder, be installed in described hook tail framework lower head, be used to carry described draft key; The carrying position upper surface shape of described draft key holder is corresponding with the draft key underside shape, makes between draft key holder and the draft key to contact for face.
Preferably, described hook tail framework lower head is fixed with pin holder cushion cap; Described pin holder cushion cap is provided with the carrying groove, is used for inserting and supporting described draft key holder.
Preferably, described draft key holder both sides are respectively arranged with the carrying flange; Be interrupted at described carrying groove middle part, and the described carrying groove of both sides supports the described draft key holder carrying flange of respective side respectively.
Preferably, the degree of depth of described carrying groove is greater than the thickness of described draft key holder carrying flange.
Preferably, be respectively arranged with knock hole on the relevant position of described draft key holder head and described pin holder cushion cap head, be used for the lockable mechanism of hold-down hook end pin holder.
Preferably, the two sides of tail of described draft key holder is respectively arranged with spacing convex shoulder, is used to limit the insertion distance of described draft key holder.
Preferably, described hook tail framework lower head is provided with pin holder mounting hole, is used to screw in described draft key holder; Described pin holder mounting hole both sides are respectively arranged with pin holder cushion cap, form positioning groove with described pin holder mounting hole; Described draft key holder both sides are respectively arranged with the carrying flange, are supported by described pin holder cushion cap when screwing in described positioning groove.
Preferably, the degree of depth of described positioning groove is greater than the thickness of described draft key holder carrying flange.
Preferably, on the described pin holder cushion cap some knock holees are set, are used for the lockable mechanism of hold-down hook end pin holder.
Preferably, described draft key holder top is provided with the carrying boss; The end face shape of described draft key holder carrying boss is corresponding with the underside shape of described draft key.
Preferably, described hook tail framework is for forging.
Compared with prior art, the present invention improves the draft key carrying structure of hook tail frame, and draft key is carried by the draft key holder, thereby improve draft key carrying structure intensity, improve the safe reliability of hook tail frame, this be because: draft key holder intensity height is more than 3 times of draft key bolt; Simultaneously, for face contacts, the draft key holder is stressed comparatively balanced between draft key holder and draft key; Thus, can guarantee safe in utilizationly, can not take place that the draft key holder fractures and the problem that causes draft key to come off prevents train separation accident.Especially, can not rotate behind the draft key holder locking, the play phenomenon, guarantee firm, stable under the running condition to improve safe reliability.In addition, draft key holder carrying structure is convenient to assembling and is decomposed, and helps row inspection operation.
Another aspect of the present invention is that hook tail framework adopts the Forging Technology manufacturing: be better than casting hook tail frame in its material selection, can improve the whole mechanical property of hook tail frame, prevent the fracture of hook tail frame and cause train separation accident; Simultaneously, greatly strengthen the fatigue life of forging hook tail frame, further strengthens the safe reliability of hook tail frame.FMT is ripe, helps large-scale production; Along with the forging hook tail frame life-span increases, its sexual valence improves greatly, helps reducing the use cost of railway truck.
Description of drawings
Fig. 1 is the structural representation of existing 13A type hook tail frame;
Fig. 2 is the structural representation of existing 13B type hook tail frame;
Fig. 3 is the structural representation of hook tail frame first embodiment of the present invention;
Fig. 4 is the structural representation of first kind of draft key holder among Fig. 3;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the birds-eye view of Fig. 4;
Fig. 7 is the structural representation of first kind of pin holder cushion cap among Fig. 3;
Fig. 8 is the left view of Fig. 7;
Fig. 9 is the structural representation of second kind of draft key holder among Fig. 3, pin holder cushion cap;
Figure 10 is the structural representation of hook tail framework among hook tail frame second embodiment of the present invention;
Figure 11 is the left view of Figure 10;
Figure 12 is that the A of Figure 10 is to partial view;
Figure 13 is the structural representation of draft key holder among hook tail frame second embodiment of the present invention;
Figure 14 is the left view of Figure 13;
Figure 15 is the birds-eye view of Figure 13;
Figure 16 is the structural representation of hook tail frame the 3rd embodiment of the present invention;
Figure 17 is the front view of draft key holder among Figure 16;
Figure 18 is the left view of Figure 17.
The specific embodiment
Basic design of the present invention is: the holder of hook tail framework lower head hold-down hook end pin, the upper surface shape at its carrying position is corresponding with the draft key underside shape, makes between draft key holder and the draft key to contact for face.
In the present invention, described draft key holder can be directly installed on the hook tail framework, i.e. the direct mount mode; Also can be installed on the mount pad of fixing with hook tail framework (as pin holder cushion cap) promptly indirect mounting means.Describe below in conjunction with accompanying drawing and embodiment.
See also Fig. 3, this figure is the structural representation of hook tail frame first embodiment of the present invention.Among this embodiment, hook tail framework 1 lower head is provided with pin holder cushion cap 4, and the plug-type draft key holder 3 of its top installation is in order to carrying draft key (figure does not show); The upper surface shape at described draft key holder 3 carrying positions is corresponding with the draft key underside shape, makes between draft key holder 3 and the draft key to contact for face.Especially, be provided with unit bolt nut 5 between draft key holder 3 and the pin holder cushion cap 4, it slides in order to prevent draft key holder 3 as the lockable mechanism of draft key holder.
The concrete shape of described draft key holder 3, pin holder cushion cap 4 can be multiple, guaranteeing to support reliable, easy for installation being as the criterion, below casehistory.
Please be simultaneously referring to Fig. 4-6, wherein: Fig. 4 be the structural representation of first kind of draft key holder among Fig. 3; Fig. 5 is the left view of Fig. 4; Fig. 6 is the birds-eye view of Fig. 4.This draft key holder 3 comprises diapire 31 and two side 32, and wherein: the top of described two side 32 stretches out respectively, forms carrying flange 33, in order to the supporting part to be provided.Obviously, draft key holder 3 also can be approximately a flat board, and its both sides form carrying flange 33, do not repeat them here.In the present embodiment, draft key holder 3 both sides are provided with carrying flange 33, can improve load-carrying capacity, prevent that draft key from coming off.
Especially, be provided with carrying boss 34 above the diapire 31, be used to carry draft key; And the end face shape of described carrying boss 33 is corresponding with the draft key underside shape, makes to contact for face between draft key holder 3 and the draft key.Because carrying boss 21 is set, and the needs of the vertical corner of draft key make draft key holder 3 stressed more even in the time of can adapting to vehicle by vertical curve, guarantee that draft key strained condition and usage condition are constant in draft key holder 3.
Shown in Fig. 4-6, draft key holder 3 two sides of tail are respectively arranged with spacing convex shoulder 35, are used to limit the insertion distance of described draft key holder 3, install with convenient hanger end pin holder 3.
Corresponding with above-mentioned draft key holder 3 structures, above the pin holder cushion cap 4 of hook tail frame the carrying groove is set, in order to support hook end pin holder 3 reliably, as described below.
Please be simultaneously referring to Fig. 7-8, wherein: Fig. 7 be the structural representation of first kind of pin holder cushion cap among Fig. 3; Fig. 8 is the left view of Fig. 7.For making things convenient for hold-down hook end pin holder 3, hook tail framework 1 lower head pin hole 11 places are provided with pin holder cushion cap 4, so that carrying draft key holder 3, wherein, described pin holder cushion cap 4 is provided with carrying groove 41, is used to support the draft key holder 3 of insertion.
In the present embodiment, carrying groove 41 is " U " type groove, and specific design is for dividing body structure (promptly " U " type trench bottom is interrupted), so that processing, the manufacturing of hook tail framework 1; Hook tail framework 1 lower head is inserted in draft key holder 3 from behind, and carrying flange 33 in its both sides is supported by corresponding side carrying groove 41 respectively, and makes draft key holder 3 located lateral.
Preferably, the degree of depth of described carrying groove 41 and width are respectively greater than the thickness and the width of described carrying flange 33; Make pin holder cushion cap 4 tops leave certain space, guarantee that draft key assembling back draft key holder 3 leaves the gap with the end face and the side of hook tail frame cushion cap 4, the needs of the vertical corner of draft key when passing through vertical curve to adapt to vehicle, the moment of flexure that draft key brings is born in draft key holder 3 when eliminating by vertical curve.
Shown in Fig. 6-7,, be provided with the lockable mechanism of draft key holder for realizing the location between draft key holder 3 and the pin holder cushion cap 4.Particularly, described draft key holder 3 heads are provided with pin holder knock hole 36, and the position of described pin holder cushion cap 4 heads is provided with cushion cap knock hole 42, is used for the unit bolt nut 5 that installing and locating is used; After the inserting bolt, can limit draft key holder 3 back string, and can prevent that it from losing.
During the assembling coupler buffering device, earlier from 11 belows, hook tail frame 1 head draft key hole assembling draft key; Then, draft key holder 3 is inserted from the rear along carrying groove 41, until the below; For preventing that draft key holder 3 from deviating from, after hook tail frame 1 is inserted in draft key holder 3 fully, insert caging bolt; The effect that antitheft and anti-part is lost is played in the solid welding of the tack welding of fastening nut, and employing again.Unloading process is opposite with above-mentioned installation process, repeats no more.
See also Fig. 9, this figure is the structural representation of second kind of draft key holder among Fig. 3, pin holder cushion cap.Wherein: pin holder cushion cap 4 is an integral structure, is positioned at hook tail framework 1 lower head, and carrying groove 41 is set above; In the 41 groove hold-down hook end pin holders 3 of carrying groove; Described draft key holder 3 is a flat board, and the top is provided with carrying boss 34.Ask cushion cap 4 structures identical with above-mentioned first kind of draft key holder 3, pin, also be provided with pin holder knock hole 36 at draft key holder 3 heads, the position of pin holder cushion cap 4 heads is provided with cushion cap knock hole 42, is used for hold-down bolt nut combinations 5, does not repeat them here.
It should be noted that for improving wear resisting property, intensity and service life, draft key holder 3 adopts E level cast steel to make; For reducing manufacturing cost, enhancing productivity, guarantee in-use performance and accuracy of manufacture, require to adopt precision cast or Forging Technology manufacturing.
The above hook tail frame, draft key adopts the carrying structure of draft key holder 3, has the following advantages: draft key holder 3 intensity height (be about draft key bolt 3 times), and with draft key between contact for face, can guarantee safe in utilizationly, can not take place that draft key holder 3 fractures and the problem that causes draft key to come off; By bolted, can draft key holder 3 is locked, prevent phenomenons such as draft key holder 3 rotates, play, guarantee that draft key holder 3 is firm under running condition, stable; This structure is convenient to assembling and decomposition, helps row inspection operation.
Especially, for improving tired service life of hook tail frame and margin of strength, hook tail framework 1 all adopts the manufacturing of E level forged steel.Simultaneously, use for reference the design and the utilization experience of 16 types, 17 type forging hook tail frames, the structural dimensions that makes hook tail circle body and afterbody and 16 types, 17 type forging hook tail frames are identical, with further raising hook tail frame margin of strength, satisfy the interchangeability requirement of product; In addition, on structure design, then make things convenient for the manufacturing requirement of forging, processing and welding process as far as possible.
Described hook tail framework 1 adopts Forging Technology, has the following advantages: because the forging hook tail frame material therefor is better than casting hook tail frame, can improve the whole mechanical property of hook tail frame, make that greatly strengthened the fatigue life of forging hook tail frame, strengthen its reliability of service; The forging hook tail frame manufacturing technology is ripe, possesses the large-scale production ability, helps reducing manufacturing cost; Further, along with the increase in service life of hook tail frame, its cost performance improves, and can reduce the use cost of railway truck.
Increased pin holder cushion cap 4 in the above-mentioned hook tail frame, made hook tail framework 1 head thickness increase to some extent, but with 13 types, 13A type and 13B type hook tail frame relatively, its largest contours size is less than the upperlimit at 13 types, 13A type and 13B type hangers place still.Especially, can adopt the transition structure design, make the progressively transition of this segment thickness,, improve the structural strength and the anufacturability at this position up to the contact site of hook tail framework 1 with slave plate.In addition, because of hook tail framework 1 head and hitch auxiliary section size and 13 types, 13A type are identical with 13B type hook tail frame, can guarantee the interchangeability of hook tail framework 1.
In the above-mentioned hook tail frame, hook tail framework 1 is for forging, and draft key can solve problems such as existing hook tail frame self intensity of pin and draft key bearing mode undercapacity thus effectively by draft key holder 3 carryings.Wherein, draft key holder 3 can be adopted plug in construction, also can adopt the screw-in structure; The former as previously mentioned, below to latter's brief description.
Please be simultaneously referring to Figure 10-12, wherein: Figure 10 be the structural representation of hook tail framework among hook tail frame second embodiment of the present invention; Figure 11 is the left view of Figure 10; Figure 12 is that the A of Figure 10 is to partial view.Among this embodiment, hook tail framework 1 lower head is provided with pin holder mounting hole 12; And be respectively arranged with pin holder cushion cap 4 in pin holder mounting hole 12 both sides, specifically can be designed to petal.This pin holder cushion cap 4 forms positioning groove 121 with pin holder mounting hole 12, so that hold-down hook end pin holder 3; During installation, draft key holder 3 is packed into from hook tail framework 1 below, rotates to behind the control position fixingly again, forms the draft key load carrier.
Especially, on the pin holder cushion cap 4 of hook tail framework 1 lower head several cushion cap knock holees 42 are set, are used for the lockable mechanism of hold-down hook end pin holder, it is preferably rivet (scheming not shown).After draft key was released positioning groove 121 positions, rivet can prevent draft key holder 3 rotations and come off.
Corresponding with the pin holder cushion cap 4 in the pin holder mounting hole 12, draft key holder 3 both sides in the present embodiment also are provided with carrying flange 33, are summarized as follows.
Please be simultaneously referring to Figure 13-15, wherein: Figure 13 be the structural representation of draft key holder among hook tail frame second embodiment of the present invention; Figure 14 is the left view of Figure 13; Figure 15 is the birds-eye view of Figure 13.Among this embodiment, described draft key holder 3 both sides are respectively arranged with carrying flange 33, and specific design is petal, with corresponding with the shape of pin holder cushion cap 4.When draft key holder 3 screws in pin holder mounting hole 12, when carrying flange 33 when positioning groove 121 puts in place, by pin holder cushion cap 4 support bearing flanges 33.Draft key holder 3 tops are provided with carrying boss 34, and its end face shape is corresponding with the draft key underside shape, and draft key holder 3 has two carrying flanges 33, can improve the structural strength of draft key holder 3, and raising prevents the reliability that draft key comes off.
Identical with the plug in construction of first embodiment, in the present embodiment, certain space is left in pin holder cushion cap 4 tops, and promptly the degree of depth of positioning groove 121 is greater than the thickness of carrying flange 33.Thus, guarantee draft key assembling back draft key holder 3 and the end face of hook tail frame cushion cap 4 and the gap of bottom surface, the needs of the vertical corner of draft key when passing through vertical curve to adapt to vehicle.
Similarly, in the present embodiment: E level cast steel, precision casting process manufacturing are adopted in draft key holder 3, improve intensity, accuracy of manufacture and resistance to abrasion; Hook tail framework 1 is for forging, to strengthen self intensity of hook tail frame; Do not repeat them here.
During the assembling coupler buffering device, earlier from 11 belows, draft key hole assembling draft key; Then draft key holder 3 is packed in the pin holder mounting hole 12; Swivel hook end pin holder 3 makes carrying flange 33 align with positioning groove 121; Assemble 4 locating rivets again, prevent to deviate from after draft key holder 3 rotations.Unloading process is opposite with above-mentioned installation process, repeats no more.
In addition, draft key holder 3 also can otherwise be installed on the hook tail framework 1, lifts an example explanation now.
Please be simultaneously referring to Figure 16-18, wherein: Figure 16 be the structural representation of hook tail frame the 3rd embodiment of the present invention; Figure 17 is the front view of draft key holder among Figure 16; Figure 18 is the left view of Figure 17.In the present embodiment, hook tail framework 1 lower head is provided with two pairs of hangers 2, offers some bolts hole 21 on it; Draft key holder 3 tops are provided with carrying boss 34, and its end face shape is corresponding with the draft key underside shape; Simultaneously, draft key holder 3 is provided with pin holder knock hole 36, is used for hold-down bolt nut combinations 5, makes the lower head of draft key holder 3 secure fixation in hook tail framework 1.This kind draft key carrying structure can prevent that equally draft key from coming off, and do not repeat them here.
In the present embodiment, hook tail framework 1 is for forging, and its structure, size are identical with above-mentioned first, second embodiment, so that raising hook tail framework 1 self intensity.
Above-mentioned hook tail frame (being 13B type forging hook tail frame) has the following advantages:
One, margin of strength height.Guaranteeing under design strength and the cooresponding prerequisite of 13B type hook tail frame (casting) intensity, use for reference the design experiences of 16 types, 17 type forging hook tail frames, the frame height degree, frame body width, afterbody thickness etc. that makes 13B type forging hook tail frame and 16 types, 17 type forging hook tail frames are consistent, further improve the margin of strength of hook tail frame.
Two, interchangeability is good.Structural shape, leading dimensions and the fit dimension of 13B type forging hook tail frame satisfies 13 types, 13A type and 13B type coupler and draft gear structural requirement, can exchange with 13 types, 13A type and 13B type hook tail frame (casting), guarantees the interchangeability of hitch buffer system accessory; When assembling use, need not to change existing operation process and method, can make full use of existing frock and equipment, be convenient to assembling and decomposition, utilization and the maintenance of coupler buffering device.Because 13B type forging hook tail frame structural dimensions and 16 types, 17 type forging hook tail frames are identical, can guarantee to detect the unitarity and the interchangeability of model and 13A, 13B type hook tail frame and 16 types, 17 type hook tail frames.
Three, structural safety is reliable.13B type forging hook tail frame can prevent the hitch separation problem that former 13 types, 13A type, 13B type draft key bolt fracture and cause draft key to come off and cause, has the function that prevents that draft key from coming off, can improve the reliability of coupler and draft gear, guarantee safety of railway traffic.
Its four, guaranteeing that 13B type forging hook tail frame takes into full account forging, machine adds and welding process, has improved the manufacturability of product under the prerequisite of properties of product.
The above only is a preferred implementation of the present invention, should be pointed out that above-mentioned preferred implementation should not be considered as limitation of the present invention, and protection scope of the present invention should be as the criterion with claim institute restricted portion.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1, a kind of hook tail frame of lorry coupler buffering device comprises hook tail framework, and head is provided with the draft key hole, is used for installing and hitch bonded assembly draft key; It is characterized in that, also comprise the draft key holder, be installed in described hook tail framework lower head, be used to carry described draft key; The carrying position upper surface shape of described draft key holder is corresponding with the draft key underside shape, makes between draft key holder and the draft key to contact for face.
2, the hook tail frame of lorry coupler buffering device as claimed in claim 1 is characterized in that, described hook tail framework lower head is fixed with pin holder cushion cap; Described pin holder cushion cap is provided with the carrying groove, is used for inserting and supporting described draft key holder.
3, the hook tail frame of lorry coupler buffering device as claimed in claim 2 is characterized in that, described draft key holder both sides are respectively arranged with the carrying flange; Be interrupted at described carrying groove middle part, and the described carrying groove of both sides supports the described draft key holder carrying flange of respective side respectively.
4, the hook tail frame of lorry coupler buffering device as claimed in claim 3 is characterized in that, the degree of depth of described carrying groove is greater than the thickness of described draft key holder carrying flange.
5, the hook tail frame of lorry coupler buffering device as claimed in claim 2 is characterized in that, is respectively arranged with knock hole on the relevant position of described draft key holder head and described pin holder cushion cap head, is used for the lockable mechanism of hold-down hook end pin holder.
6, the hook tail frame of lorry coupler buffering device as claimed in claim 2 is characterized in that, described draft key holder two sides of tail is respectively arranged with spacing convex shoulder, is used to limit the insertion distance of described draft key holder.
7, the hook tail frame of lorry coupler buffering device as claimed in claim 1 is characterized in that, described hook tail framework lower head is provided with pin holder mounting hole, is used to screw in described draft key holder; Described pin holder mounting hole both sides are respectively arranged with pin holder cushion cap, form positioning groove with described pin holder mounting hole; Described draft key holder both sides are respectively arranged with the carrying flange, are supported by described pin holder cushion cap when screwing in described positioning groove.
8, the hook tail frame of lorry coupler buffering device as claimed in claim 7 is characterized in that, the degree of depth of described positioning groove is greater than the thickness of described draft key holder carrying flange.
9, the hook tail frame of lorry coupler buffering device as claimed in claim 7, its feature exists, and on the described pin holder cushion cap some knock holees is set, and is used for the lockable mechanism of hold-down hook end pin holder.
As the hook tail frame of each described lorry coupler buffering device of claim 1-9, it is characterized in that 10, described draft key holder top is provided with the carrying boss; The end face shape of described draft key holder carrying boss is corresponding with the underside shape of described draft key.
11, as the hook tail frame of each described lorry coupler buffering device of claim 1-9, its feature exists, and described hook tail framework is for forging.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910008717XA CN101475017A (en) | 2009-01-21 | 2009-01-21 | Couple yoke of lorry coupler buffering apparatus |
| PCT/CN2009/072896 WO2010083675A1 (en) | 2009-01-21 | 2009-07-24 | Draft gear yoke of draft gear for railway freight car |
| AU2009324265A AU2009324265B2 (en) | 2009-01-21 | 2009-07-24 | A coupler yoke frame of coupler draft gear for railway freight car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910008717XA CN101475017A (en) | 2009-01-21 | 2009-01-21 | Couple yoke of lorry coupler buffering apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101475017A true CN101475017A (en) | 2009-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200910008717XA Pending CN101475017A (en) | 2009-01-21 | 2009-01-21 | Couple yoke of lorry coupler buffering apparatus |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101475017A (en) |
| AU (1) | AU2009324265B2 (en) |
| WO (1) | WO2010083675A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010083675A1 (en) * | 2009-01-21 | 2010-07-29 | 齐齐哈尔轨道交通装备有限责任公司 | Draft gear yoke of draft gear for railway freight car |
| CN102730020A (en) * | 2011-04-01 | 2012-10-17 | 齐齐哈尔轨道交通装备有限责任公司 | Coupler yoke and coupler buffering device |
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| US4597499A (en) * | 1984-06-20 | 1986-07-01 | Hanula Richard M | Biased pin retainer block for a rotary coupling system |
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| US5360124A (en) * | 1993-07-27 | 1994-11-01 | Mcconway & Torley Corporation | Slackless buff gear connection system with sliding yoke casting |
| US6568649B1 (en) * | 2001-11-30 | 2003-05-27 | Strato, Inc. | Trainline support bracket |
| CN200999046Y (en) * | 2006-12-14 | 2008-01-02 | 齐齐哈尔轨道交通装备有限责任公司 | Car coupler yoke |
| CN201046708Y (en) * | 2007-06-13 | 2008-04-16 | 大连保税区铁科机车车辆产品研发有限公司 | Coupler yoke key disconnecting preventing device |
| CN101318513A (en) * | 2008-07-09 | 2008-12-10 | 南京中盛铁路车辆配件有限公司 | Drop panel jack-in wrought steel hook tail frame |
| CN101475017A (en) * | 2009-01-21 | 2009-07-08 | 齐齐哈尔轨道交通装备有限责任公司 | Couple yoke of lorry coupler buffering apparatus |
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2009
- 2009-01-21 CN CNA200910008717XA patent/CN101475017A/en active Pending
- 2009-07-24 AU AU2009324265A patent/AU2009324265B2/en active Active
- 2009-07-24 WO PCT/CN2009/072896 patent/WO2010083675A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010083675A1 (en) * | 2009-01-21 | 2010-07-29 | 齐齐哈尔轨道交通装备有限责任公司 | Draft gear yoke of draft gear for railway freight car |
| CN102730020A (en) * | 2011-04-01 | 2012-10-17 | 齐齐哈尔轨道交通装备有限责任公司 | Coupler yoke and coupler buffering device |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2009324265A1 (en) | 2010-08-05 |
| WO2010083675A1 (en) | 2010-07-29 |
| AU2009324265B2 (en) | 2012-05-03 |
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Application publication date: 20090708 |